diff --git a/dist/js/field.js b/dist/js/field.js
index 7cacbe0..fc7fac2 100644
--- a/dist/js/field.js
+++ b/dist/js/field.js
@@ -1 +1 @@
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0;border-color:transparent}.ck.ck-button.ck-disabled:active,.ck.ck-button.ck-disabled:focus,a.ck.ck-button.ck-disabled:active,a.ck.ck-button.ck-disabled:focus{box-shadow:var(--ck-focus-disabled-outer-shadow),0 0}.ck.ck-button.ck-disabled .ck-button__icon,a.ck.ck-button.ck-disabled .ck-button__icon{opacity:var(--ck-disabled-opacity)}.ck.ck-button.ck-disabled .ck-button__label,a.ck.ck-button.ck-disabled .ck-button__label{opacity:var(--ck-disabled-opacity)}.ck.ck-button.ck-button_with-text,a.ck.ck-button.ck-button_with-text{padding:var(--ck-spacing-tiny) var(--ck-spacing-standard)}.ck.ck-button.ck-button_with-text .ck-button__icon,a.ck.ck-button.ck-button_with-text 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var(--ck-color-input-border);padding:var(--ck-spacing-extra-tiny) var(--ck-spacing-medium);min-width:var(--ck-input-text-width);min-height:var(--ck-ui-component-min-height);transition-property:box-shadow,border;transition:.2s ease-in-out}.ck.ck-input-text:focus{outline:none;border:var(--ck-focus-ring);box-shadow:var(--ck-focus-outer-shadow),var(--ck-inner-shadow)}.ck.ck-input-text[readonly]{border:1px solid var(--ck-color-input-disabled-border);background:var(--ck-color-input-disabled-background);color:var(--ck-color-input-disabled-text)}.ck.ck-input-text[readonly]:focus{box-shadow:var(--ck-focus-disabled-outer-shadow),var(--ck-inner-shadow)}.ck.ck-input-text.ck-error{border-color:var(--ck-color-input-error-border);animation:ck-text-input-shake .3s ease both}.ck.ck-input-text.ck-error:focus{box-shadow:var(--ck-focus-error-outer-shadow),var(--ck-inner-shadow)}@keyframes 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var(--ck-color-panel-border)}.ck.ck-balloon-panel.ck-balloon-panel_with-arrow:after,.ck.ck-balloon-panel.ck-balloon-panel_with-arrow:before{width:0;height:0;border-style:solid}.ck.ck-balloon-panel[class*=arrow_n]:after,.ck.ck-balloon-panel[class*=arrow_n]:before{border-left-width:var(--ck-balloon-arrow-half-width);border-bottom-width:var(--ck-balloon-arrow-height);border-right-width:var(--ck-balloon-arrow-half-width);border-top-width:0}.ck.ck-balloon-panel[class*=arrow_n]:before{border-bottom-color:var(--ck-color-panel-border)}.ck.ck-balloon-panel[class*=arrow_n]:after,.ck.ck-balloon-panel[class*=arrow_n]:before{border-left-color:transparent;border-right-color:transparent;border-top-color:transparent}.ck.ck-balloon-panel[class*=arrow_n]:after{border-bottom-color:var(--ck-color-panel-background);margin-top:var(--ck-balloon-arrow-offset)}.ck.ck-balloon-panel[class*=arrow_s]:after,.ck.ck-balloon-panel[class*=arrow_s]:before{border-left-width:var(--ck-balloon-arrow-half-width);border-bottom-width:0;border-right-width:var(--ck-balloon-arrow-half-width);border-top-width:var(--ck-balloon-arrow-height)}.ck.ck-balloon-panel[class*=arrow_s]:before{border-top-color:var(--ck-color-panel-border)}.ck.ck-balloon-panel[class*=arrow_s]:after,.ck.ck-balloon-panel[class*=arrow_s]:before{border-left-color:transparent;border-bottom-color:transparent;border-right-color:transparent}.ck.ck-balloon-panel[class*=arrow_s]:after{border-top-color:var(--ck-color-panel-background);margin-bottom:var(--ck-balloon-arrow-offset)}.ck.ck-balloon-panel.ck-balloon-panel_arrow_n:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_n:before{left:50%;margin-left:calc(-1*var(--ck-balloon-arrow-half-width));top:calc(-1*var(--ck-balloon-arrow-height))}.ck.ck-balloon-panel.ck-balloon-panel_arrow_nw:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_nw:before{left:calc(2*var(--ck-balloon-arrow-half-width));top:calc(-1*var(--ck-balloon-arrow-height))}.ck.ck-balloon-panel.ck-balloon-panel_arrow_ne:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_ne:before{right:calc(2*var(--ck-balloon-arrow-half-width));top:calc(-1*var(--ck-balloon-arrow-height))}.ck.ck-balloon-panel.ck-balloon-panel_arrow_s:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_s:before{left:50%;margin-left:calc(-1*var(--ck-balloon-arrow-half-width));bottom:calc(-1*var(--ck-balloon-arrow-height))}.ck.ck-balloon-panel.ck-balloon-panel_arrow_sw:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_sw:before{left:calc(2*var(--ck-balloon-arrow-half-width));bottom:calc(-1*var(--ck-balloon-arrow-height))}.ck.ck-balloon-panel.ck-balloon-panel_arrow_se:after,.ck.ck-balloon-panel.ck-balloon-panel_arrow_se:before{right:calc(2*var(--ck-balloon-arrow-half-width));bottom:calc(-1*var(--ck-balloon-arrow-height))}'},function(t,e,n){var 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_name(t){this.name=t}}class pn{constructor(t={}){if(!t.boundaries&&!t.startPosition)throw new be.b("view-tree-walker-no-start-position: Neither boundaries nor starting position have been defined.");if(t.direction&&"forward"!=t.direction&&"backward"!=t.direction)throw new be.b("view-tree-walker-unknown-direction: Only `backward` and `forward` direction allowed.",{direction:t.direction});this.boundaries=t.boundaries||null,t.startPosition?this.position=mn._createAt(t.startPosition):this.position=mn._createAt(t.boundaries["backward"==t.direction?"end":"start"]),this.direction=t.direction||"forward",this.singleCharacters=!!t.singleCharacters,this.shallow=!!t.shallow,this.ignoreElementEnd=!!t.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null}[Symbol.iterator](){return this}skip(t){let e,n,o;do{o=this.position,({done:e,value:n}=this.next())}while(!e&&t(n));e||(this.position=o)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){let t=this.position.clone();const e=this.position,n=t.parent;if(null===n.parent&&t.offset===n.childCount)return{done:!0};if(n===this._boundaryEndParent&&t.offset==this.boundaries.end.offset)return{done:!0};let o;if(n instanceof je){if(t.isAtEnd)return this.position=mn._createAfter(n),this._next();o=n.data[t.offset]}else o=n.getChild(t.offset);if(o instanceof Fe)return this.shallow?t.offset++:t=new mn(o,0),this.position=t,this._formatReturnValue("elementStart",o,e,t,1);if(o instanceof je){if(this.singleCharacters)return t=new mn(o,0),this.position=t,this._next();{let n,i=o.data.length;return o==this._boundaryEndParent?(i=this.boundaries.end.offset,n=new De(o,0,i),t=mn._createAfter(n)):(n=new De(o,0,o.data.length),t.offset++),this.position=t,this._formatReturnValue("text",n,e,t,i)}}if("string"==typeof o){let o;o=this.singleCharacters?1:(n===this._boundaryEndParent?this.boundaries.end.offset:n.data.length)-t.offset;const i=new De(n,t.offset,o);return t.offset+=o,this.position=t,this._formatReturnValue("text",i,e,t,o)}return t=mn._createAfter(n),this.position=t,this.ignoreElementEnd?this._next():this._formatReturnValue("elementEnd",n,e,t)}_previous(){let t=this.position.clone();const e=this.position,n=t.parent;if(null===n.parent&&0===t.offset)return{done:!0};if(n==this._boundaryStartParent&&t.offset==this.boundaries.start.offset)return{done:!0};let o;if(n instanceof je){if(t.isAtStart)return this.position=mn._createBefore(n),this._previous();o=n.data[t.offset-1]}else o=n.getChild(t.offset-1);if(o instanceof Fe)return this.shallow?(t.offset--,this.position=t,this._formatReturnValue("elementStart",o,e,t,1)):(t=new mn(o,o.childCount),this.position=t,this.ignoreElementEnd?this._previous():this._formatReturnValue("elementEnd",o,e,t));if(o instanceof je){if(this.singleCharacters)return t=new mn(o,o.data.length),this.position=t,this._previous();{let n,i=o.data.length;if(o==this._boundaryStartParent){const e=this.boundaries.start.offset;i=(n=new De(o,e,o.data.length-e)).data.length,t=mn._createBefore(n)}else n=new De(o,0,o.data.length),t.offset--;return this.position=t,this._formatReturnValue("text",n,e,t,i)}}if("string"==typeof o){let o;if(this.singleCharacters)o=1;else{const e=n===this._boundaryStartParent?this.boundaries.start.offset:0;o=t.offset-e}t.offset-=o;const i=new De(n,t.offset,o);return this.position=t,this._formatReturnValue("text",i,e,t,o)}return t=mn._createBefore(n),this.position=t,this._formatReturnValue("elementStart",n,e,t,1)}_formatReturnValue(t,e,n,o,i){return e instanceof De&&(e.offsetInText+e.data.length==e.textNode.data.length&&("forward"!=this.direction||this.boundaries&&this.boundaries.end.isEqual(this.position)?n=mn._createAfter(e.textNode):(o=mn._createAfter(e.textNode),this.position=o)),0===e.offsetInText&&("backward"!=this.direction||this.boundaries&&this.boundaries.start.isEqual(this.position)?n=mn._createBefore(e.textNode):(o=mn._createBefore(e.textNode),this.position=o))),{done:!1,value:{type:t,item:e,previousPosition:n,nextPosition:o,length:i}}}}class mn{constructor(t,e){this.parent=t,this.offset=e}get nodeAfter(){return this.parent.is("text")?null:this.parent.getChild(this.offset)||null}get nodeBefore(){return this.parent.is("text")?null:this.parent.getChild(this.offset-1)||null}get isAtStart(){return 0===this.offset}get isAtEnd(){const t=this.parent.is("text")?this.parent.data.length:this.parent.childCount;return this.offset===t}get root(){return this.parent.root}get editableElement(){let t=this.parent;for(;!(t instanceof dn);){if(!t.parent)return null;t=t.parent}return t}getShiftedBy(t){const e=mn._createAt(this),n=e.offset+t;return e.offset=n<0?0:n,e}getLastMatchingPosition(t,e={}){e.startPosition=this;const n=new pn(e);return n.skip(t),n.position}getAncestors(){return this.parent.is("documentFragment")?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonAncestor(t){const e=this.getAncestors(),n=t.getAncestors();let o=0;for(;e[o]==n[o]&&e[o];)o++;return 0===o?null:e[o-1]}isEqual(t){return this.parent==t.parent&&this.offset==t.offset}isBefore(t){return"before"==this.compareWith(t)}isAfter(t){return"after"==this.compareWith(t)}compareWith(t){if(this.root!==t.root)return"different";if(this.isEqual(t))return"same";const e=this.parent.is("node")?this.parent.getPath():[],n=t.parent.is("node")?t.parent.getPath():[];e.push(this.offset),n.push(t.offset);const o=Oe(e,n);switch(o){case"prefix":return"before";case"extension":return"after";default:return e[o]<n[o]?"before":"after"}}getWalker(t={}){return t.startPosition=this,new pn(t)}clone(){return new mn(this.parent,this.offset)}static _createAt(t,e){if(t instanceof mn)return new this(t.parent,t.offset);{const n=t;if("end"==e)e=n.is("text")?n.data.length:n.childCount;else{if("before"==e)return this._createBefore(n);if("after"==e)return this._createAfter(n);if(0!==e&&!e)throw new be.b("view-createPositionAt-offset-required: View#createPositionAt() requires the offset when the first parameter is a view item.")}return new mn(n,e)}}static _createAfter(t){if(t.is("textProxy"))return new mn(t.textNode,t.offsetInText+t.data.length);if(!t.parent)throw new be.b("view-position-after-root: You can not make position after root.",{root:t});return new mn(t.parent,t.index+1)}static _createBefore(t){if(t.is("textProxy"))return new mn(t.textNode,t.offsetInText);if(!t.parent)throw new be.b("view-position-before-root: You can not make position before root.",{root:t});return new mn(t.parent,t.index)}}class gn{constructor(t,e=null){this.start=t.clone(),this.end=e?e.clone():t.clone()}*[Symbol.iterator](){yield*new pn({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return this.start.parent===this.end.parent}get root(){return this.start.root}getEnlarged(){let t=this.start.getLastMatchingPosition(bn,{direction:"backward"}),e=this.end.getLastMatchingPosition(bn);return t.parent.is("text")&&t.isAtStart&&(t=mn._createBefore(t.parent)),e.parent.is("text")&&e.isAtEnd&&(e=mn._createAfter(e.parent)),new gn(t,e)}getTrimmed(){let t=this.start.getLastMatchingPosition(bn);if(t.isAfter(this.end)||t.isEqual(this.end))return new gn(t,t);let e=this.end.getLastMatchingPosition(bn,{direction:"backward"});const n=t.nodeAfter,o=e.nodeBefore;return n&&n.is("text")&&(t=new mn(n,0)),o&&o.is("text")&&(e=new mn(o,o.data.length)),new gn(t,e)}isEqual(t){return this==t||this.start.isEqual(t.start)&&this.end.isEqual(t.end)}containsPosition(t){return t.isAfter(this.start)&&t.isBefore(this.end)}containsRange(t,e=!1){t.isCollapsed&&(e=!1);const n=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),o=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return n&&o}getDifference(t){const e=[];return this.isIntersecting(t)?(this.containsPosition(t.start)&&e.push(new gn(this.start,t.start)),this.containsPosition(t.end)&&e.push(new gn(t.end,this.end))):e.push(this.clone()),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,n=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(n=t.end),new gn(e,n)}return null}getWalker(t={}){return t.boundaries=this,new pn(t)}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}clone(){return new gn(this.start,this.end)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new pn(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new pn(t);yield e.position;for(const t of e)yield t.nextPosition}isIntersecting(t){return this.start.isBefore(t.end)&&this.end.isAfter(t.start)}static _createFromParentsAndOffsets(t,e,n,o){return new this(new mn(t,e),new mn(n,o))}static _createFromPositionAndShift(t,e){const n=t,o=t.getShiftedBy(e);return e>0?new this(n,o):new this(o,n)}static _createIn(t){return this._createFromParentsAndOffsets(t,0,t,t.childCount)}static _createOn(t){const e=t.is("textProxy")?t.offsetSize:1;return this._createFromPositionAndShift(mn._createBefore(t),e)}}function bn(t){return!(!t.item.is("attributeElement")&&!t.item.is("uiElement"))}function wn(t){let e=0;for(const n of t)e++;return e}class _n{constructor(t=null,e,n){this._ranges=[],this._lastRangeBackward=!1,this._isFake=!1,this._fakeSelectionLabel="",this.setTo(t,e,n)}get isFake(){return this._isFake}get fakeSelectionLabel(){return this._fakeSelectionLabel}get anchor(){if(!this._ranges.length)return null;const t=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?t.end:t.start).clone()}get focus(){if(!this._ranges.length)return null;const t=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?t.start:t.end).clone()}get isCollapsed(){return 1===this.rangeCount&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}get editableElement(){return this.anchor?this.anchor.editableElement:null}*getRanges(){for(const t of this._ranges)yield t.clone()}getFirstRange(){let t=null;for(const e of this._ranges)t&&!e.start.isBefore(t.start)||(t=e);return t?t.clone():null}getLastRange(){let t=null;for(const e of this._ranges)t&&!e.end.isAfter(t.end)||(t=e);return t?t.clone():null}getFirstPosition(){const t=this.getFirstRange();return t?t.start.clone():null}getLastPosition(){const t=this.getLastRange();return t?t.end.clone():null}isEqual(t){if(this.isFake!=t.isFake)return!1;if(this.isFake&&this.fakeSelectionLabel!=t.fakeSelectionLabel)return!1;if(this.rangeCount!=t.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus))return!1;for(const e of this._ranges){let n=!1;for(const o of t._ranges)if(e.isEqual(o)){n=!0;break}if(!n)return!1}return!0}isSimilar(t){if(this.isBackward!=t.isBackward)return!1;const e=wn(this.getRanges());if(e!=wn(t.getRanges()))return!1;if(0==e)return!0;for(let e of this.getRanges()){e=e.getTrimmed();let n=!1;for(let o of t.getRanges())if(o=o.getTrimmed(),e.start.isEqual(o.start)&&e.end.isEqual(o.end)){n=!0;break}if(!n)return!1}return!0}getSelectedElement(){if(1!==this.rangeCount)return null;const t=this.getFirstRange();let e=t.start.nodeAfter,n=t.end.nodeBefore;return t.start.parent.is("text")&&t.start.isAtEnd&&t.start.parent.nextSibling&&(e=t.start.parent.nextSibling),t.end.parent.is("text")&&t.end.isAtStart&&t.end.parent.previousSibling&&(n=t.end.parent.previousSibling),e instanceof Fe&&e==n?e:null}setTo(t,e,n){if(null===t)this._setRanges([]),this._setFakeOptions(e);else if(t instanceof _n||t instanceof vn)this._setRanges(t.getRanges(),t.isBackward),this._setFakeOptions({fake:t.isFake,label:t.fakeSelectionLabel});else if(t instanceof gn)this._setRanges([t],e&&e.backward),this._setFakeOptions(e);else if(t instanceof mn)this._setRanges([new gn(t)]),this._setFakeOptions(e);else if(t instanceof Re){const o=!!n&&!!n.backward;let i;if(void 0===e)throw new be.b("view-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.");i="in"==e?gn._createIn(t):"on"==e?gn._createOn(t):new gn(mn._createAt(t,e)),this._setRanges([i],o),this._setFakeOptions(n)}else{if(!Ve(t))throw new be.b("view-selection-setTo-not-selectable: Cannot set selection to given place.");this._setRanges(t,e&&e.backward),this._setFakeOptions(e)}this.fire("change")}setFocus(t,e){if(null===this.anchor)throw new be.b("view-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.");const n=mn._createAt(t,e);if("same"==n.compareWith(this.focus))return;const o=this.anchor;this._ranges.pop(),"before"==n.compareWith(o)?this._addRange(new gn(n,o),!0):this._addRange(new gn(o,n)),this.fire("change")}is(t){return"selection"==t}_setRanges(t,e=!1){t=Array.from(t),this._ranges=[];for(const e of t)this._addRange(e);this._lastRangeBackward=!!e}_setFakeOptions(t={}){this._isFake=!!t.fake,this._fakeSelectionLabel=t.fake&&t.label||""}_addRange(t,e=!1){if(!(t instanceof gn))throw new be.b("view-selection-add-range-not-range: Selection range set to an object that is not an instance of view.Range");this._pushRange(t),this._lastRangeBackward=!!e}_pushRange(t){for(const e of this._ranges)if(t.isIntersecting(e))throw new be.b("view-selection-range-intersects: Trying to add a range that intersects with another range from selection.",{addedRange:t,intersectingRange:e});this._ranges.push(new gn(t.start,t.end))}}Ie(_n,Ae);class vn{constructor(t=null,e,n){this._selection=new _n,this._selection.delegate("change").to(this),this._selection.setTo(t,e,n)}get isFake(){return this._selection.isFake}get fakeSelectionLabel(){return this._selection.fakeSelectionLabel}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get isCollapsed(){return this._selection.isCollapsed}get rangeCount(){return this._selection.rangeCount}get isBackward(){return this._selection.isBackward}get editableElement(){return this._selection.editableElement}get _ranges(){return this._selection._ranges}*getRanges(){yield*this._selection.getRanges()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getSelectedElement(){return this._selection.getSelectedElement()}isEqual(t){return this._selection.isEqual(t)}isSimilar(t){return this._selection.isSimilar(t)}is(t){return"selection"==t||"documentSelection"==t}_setTo(t,e,n){this._selection.setTo(t,e,n)}_setFocus(t,e){this._selection.setFocus(t,e)}}Ie(vn,Ae);class kn{constructor(t={}){this._items=[],this._itemMap=new Map,this._idProperty=t.idProperty||"id",this._bindToExternalToInternalMap=new WeakMap,this._bindToInternalToExternalMap=new WeakMap,this._skippedIndexesFromExternal=[]}get length(){return this._items.length}get first(){return this._items[0]||null}get last(){return this._items[this.length-1]||null}add(t,e){let n;const o=this._idProperty;if(o in t){if("string"!=typeof(n=t[o]))throw new be.b("collection-add-invalid-id");if(this.get(n))throw new be.b("collection-add-item-already-exists")}else t[o]=n=ve();if(void 0===e)e=this._items.length;else if(e>this._items.length||e<0)throw new be.b("collection-add-item-invalid-index");return this._items.splice(e,0,t),this._itemMap.set(n,t),this.fire("add",t,e),this}get(t){let e;if("string"==typeof t)e=this._itemMap.get(t);else{if("number"!=typeof t)throw new be.b("collection-get-invalid-arg: Index or id must be given.");e=this._items[t]}return e||null}has(t){if("string"==typeof t)return this._itemMap.has(t);{const e=t[this._idProperty];return this._itemMap.has(e)}}getIndex(t){let e;return e="string"==typeof t?this._itemMap.get(t):t,this._items.indexOf(e)}remove(t){let e,n,o,i=!1;const r=this._idProperty;if("string"==typeof t?(n=t,i=!(o=this._itemMap.get(n)),o&&(e=this._items.indexOf(o))):"number"==typeof t?(e=t,i=!(o=this._items[e]),o&&(n=o[r])):(n=(o=t)[r],i=-1==(e=this._items.indexOf(o))||!this._itemMap.get(n)),i)throw new be.b("collection-remove-404: Item not found.");this._items.splice(e,1),this._itemMap.delete(n);const s=this._bindToInternalToExternalMap.get(o);return this._bindToInternalToExternalMap.delete(o),this._bindToExternalToInternalMap.delete(s),this.fire("remove",o,e),o}map(t,e){return this._items.map(t,e)}find(t,e){return this._items.find(t,e)}filter(t,e){return this._items.filter(t,e)}clear(){for(this._bindToCollection&&(this.stopListening(this._bindToCollection),this._bindToCollection=null);this.length;)this.remove(0)}bindTo(t){if(this._bindToCollection)throw new be.b("collection-bind-to-rebind: The collection cannot be bound more than once.");return this._bindToCollection=t,{as:t=>{this._setUpBindToBinding(e=>new t(e))},using:t=>{"function"==typeof t?this._setUpBindToBinding(e=>t(e)):this._setUpBindToBinding(e=>e[t])}}}_setUpBindToBinding(t){const e=this._bindToCollection,n=(n,o,i)=>{const r=e._bindToCollection==this,s=e._bindToInternalToExternalMap.get(o);if(r&&s)this._bindToExternalToInternalMap.set(o,s),this._bindToInternalToExternalMap.set(s,o);else{const n=t(o);if(!n)return void this._skippedIndexesFromExternal.push(i);let r=i;for(const t of this._skippedIndexesFromExternal)i>t&&r--;for(const t of e._skippedIndexesFromExternal)r>=t&&r++;this._bindToExternalToInternalMap.set(o,n),this._bindToInternalToExternalMap.set(n,o),this.add(n,r);for(let t=0;t<e._skippedIndexesFromExternal.length;t++)r<=e._skippedIndexesFromExternal[t]&&e._skippedIndexesFromExternal[t]++}};for(const t of e)n(0,t,e.getIndex(t));this.listenTo(e,"add",n),this.listenTo(e,"remove",(t,e,n)=>{const o=this._bindToExternalToInternalMap.get(e);o&&this.remove(o),this._skippedIndexesFromExternal=this._skippedIndexesFromExternal.reduce((t,e)=>(n<e&&t.push(e-1),n>e&&t.push(e),t),[])})}[Symbol.iterator](){return this._items[Symbol.iterator]()}}Ie(kn,Ae);class yn{constructor(){this.selection=new vn,this.roots=new kn({idProperty:"rootName"}),this.set("isReadOnly",!1),this.set("isFocused",!1),this.set("isComposing",!1),this._postFixers=new Set}getRoot(t="main"){return this.roots.get(t)}registerPostFixer(t){this._postFixers.add(t)}destroy(){this.roots.map(t=>t.destroy()),this.stopListening()}_callPostFixers(t){let e=!1;do{for(const n of this._postFixers)if(e=n(t))break}while(e)}}Ie(yn,on);const xn=10;class An extends Fe{constructor(t,e,n){super(t,e,n),this.getFillerOffset=Tn,this._priority=xn,this._id=null,this._clonesGroup=null}get priority(){return this._priority}get id(){return this._id}getElementsWithSameId(){if(null===this.id)throw new be.b("attribute-element-get-elements-with-same-id-no-id: Cannot get elements with the same id for an attribute element without id.");return new Set(this._clonesGroup)}is(t,e=null){return e?"attributeElement"==t&&e==this.name||super.is(t,e):"attributeElement"==t||super.is(t)}isSimilar(t){return null!==this.id||null!==t.id?this.id===t.id:super.isSimilar(t)&&this.priority==t.priority}_clone(t){const e=super._clone(t);return e._priority=this._priority,e._id=this._id,e}}function Tn(){if(Cn(this))return null;let t=this.parent;for(;t&&t.is("attributeElement");){if(Cn(t)>1)return null;t=t.parent}return!t||Cn(t)>1?null:this.childCount}function Cn(t){return Array.from(t.getChildren()).filter(t=>!t.is("uiElement")).length}An.DEFAULT_PRIORITY=xn;class Pn extends Fe{constructor(t,e,n){super(t,e,n),this.getFillerOffset=En}is(t,e=null){return e?"emptyElement"==t&&e==this.name||super.is(t,e):"emptyElement"==t||super.is(t)}_insertChild(t,e){if(e&&(e instanceof Re||Array.from(e).length>0))throw new be.b("view-emptyelement-cannot-add: Cannot add child nodes to EmptyElement instance.")}}function En(){return null}const Sn=navigator.userAgent.toLowerCase();var Mn={isMac:Sn.indexOf("macintosh")>-1,isEdge:!!Sn.match(/edge\/(\d+.?\d*)/),isGecko:!!Sn.match(/gecko\/\d+/),isSafari:function(t){return t.indexOf(" applewebkit/")>-1&&-1===t.indexOf("chrome")}(Sn)};const In={"⌘":"ctrl","⇧":"shift","⌥":"alt"},On={ctrl:"⌘",shift:"⇧",alt:"⌥"},Nn=function(){const t={arrowleft:37,arrowup:38,arrowright:39,arrowdown:40,backspace:8,delete:46,enter:13,space:32,esc:27,tab:9,ctrl:1114112,cmd:1114112,shift:2228224,alt:4456448};for(let e=65;e<=90;e++){t[String.fromCharCode(e).toLowerCase()]=e}for(let e=48;e<=57;e++)t[e-48]=e;for(let e=112;e<=123;e++)t["f"+(e-111)]=e;return t}();function Rn(t){let e;if("string"==typeof t){if(!(e=Nn[t.toLowerCase()]))throw new be.b("keyboard-unknown-key: Unknown key name.",{key:t})}else e=t.keyCode+(t.altKey?Nn.alt:0)+(t.ctrlKey?Nn.ctrl:0)+(t.shiftKey?Nn.shift:0);return e}function jn(t){return"string"==typeof t&&(t=Dn(t)),t.map(t=>"string"==typeof t?Rn(t):t).reduce((t,e)=>e+t,0)}function Dn(t){return t.split(/\s*\+\s*/)}class Ln extends Fe{constructor(t,e,n){super(t,e,n),this.getFillerOffset=Vn}is(t,e=null){return e?"uiElement"==t&&e==this.name||super.is(t,e):"uiElement"==t||super.is(t)}_insertChild(t,e){if(e&&(e instanceof Re||Array.from(e).length>0))throw new be.b("view-uielement-cannot-add: Cannot add child nodes to UIElement instance.")}render(t){return this.toDomElement(t)}toDomElement(t){const e=t.createElement(this.name);for(const t of this.getAttributeKeys())e.setAttribute(t,this.getAttribute(t));return e}}function Vn(){return null}class zn{constructor(t){this._children=[],t&&this._insertChild(0,t)}[Symbol.iterator](){return this._children[Symbol.iterator]()}get childCount(){return this._children.length}get isEmpty(){return 0===this.childCount}get root(){return this}get parent(){return null}is(t){return"documentFragment"==t}_appendChild(t){return this._insertChild(this.childCount,t)}getChild(t){return this._children[t]}getChildIndex(t){return this._children.indexOf(t)}getChildren(){return this._children[Symbol.iterator]()}_insertChild(t,e){this._fireChange("children",this);let n=0;const 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this.removeClass(Array.from(t.getClassNames()),e),this.removeStyle(Array.from(t.getStyleNames()),e),!0}_breakAttributesRange(t,e=!1){const n=t.start,o=t.end;if(Gn(t),t.isCollapsed){const n=this._breakAttributes(t.start,e);return new gn(n,n)}const i=this._breakAttributes(o,e),r=i.parent.childCount,s=this._breakAttributes(n,e);return i.offset+=i.parent.childCount-r,new gn(s,i)}_breakAttributes(t,e=!1){const n=t.offset,o=t.parent;if(t.parent.is("emptyElement"))throw new be.b("view-writer-cannot-break-empty-element");if(t.parent.is("uiElement"))throw new be.b("view-writer-cannot-break-ui-element");if(!e&&o.is("text")&&Yn(o.parent))return t.clone();if(Yn(o))return t.clone();if(o.is("text"))return this._breakAttributes($n(t),e);if(n==o.childCount){const t=new mn(o.parent,o.index+1);return this._breakAttributes(t,e)}if(0===n){const t=new mn(o.parent,o.index);return this._breakAttributes(t,e)}{const t=o.index+1,i=o._clone();o.parent._insertChild(t,i),this._addToClonedElementsGroup(i);const 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new be.b("view-renderer-unknown-type: Unknown type passed to Renderer.markToSync.");this.markedChildren.add(e)}}}render(){let t;for(const t of this.markedChildren)this._updateChildrenMappings(t);this._inlineFiller&&!this._isSelectionInInlineFiller()&&this._removeInlineFiller(),this._inlineFiller?t=this._getInlineFillerPosition():this._needsInlineFillerAtSelection()&&(t=this.selection.getFirstPosition(),this.markedChildren.add(t.parent));for(const t of this.markedAttributes)this._updateAttrs(t);for(const e of this.markedChildren)this._updateChildren(e,{inlineFillerPosition:t});for(const e of this.markedTexts)!this.markedChildren.has(e.parent)&&this.domConverter.mapViewToDom(e.parent)&&this._updateText(e,{inlineFillerPosition:t});if(t){const e=this.domConverter.viewPositionToDom(t),n=e.parent.ownerDocument;eo(e.parent)?this._inlineFiller=e.parent:this._inlineFiller=go(n,e.parent,e.offset)}else this._inlineFiller=null;this._updateSelection(),this._updateFocus(),this.markedTexts.clear(),this.markedAttributes.clear(),this.markedChildren.clear()}_updateChildrenMappings(t){const e=this.domConverter.mapViewToDom(t);if(!e)return;const n=this.domConverter.mapViewToDom(t).childNodes,o=Array.from(this.domConverter.viewChildrenToDom(t,e.ownerDocument,{withChildren:!1})),i=this._diffNodeLists(n,o),r=this._findReplaceActions(i,n,o);if(-1!==r.indexOf("replace")){const e={equal:0,insert:0,delete:0};for(const i of r)if("replace"===i){const i=e.equal+e.insert,r=e.equal+e.delete,s=t.getChild(i);s&&!s.is("uiElement")&&this._updateElementMappings(s,n[r]),fo(o[i]),e.equal++}else e[i]++}}_updateElementMappings(t,e){this.domConverter.unbindDomElement(e),this.domConverter.bindElements(e,t),this.markedChildren.add(t),this.markedAttributes.add(t)}_getInlineFillerPosition(){const t=this.selection.getFirstPosition();return t.parent.is("text")?mn._createBefore(this.selection.getFirstPosition().parent):t}_isSelectionInInlineFiller(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const t=this.selection.getFirstPosition(),e=this.domConverter.viewPositionToDom(t);return!!(e&&Jn(e.parent)&&eo(e.parent))}_removeInlineFiller(){const t=this._inlineFiller;if(!eo(t))throw new be.b("view-renderer-filler-was-lost: The inline filler node was lost.");no(t)?t.parentNode.removeChild(t):t.data=t.data.substr(Xn),this._inlineFiller=null}_needsInlineFillerAtSelection(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const t=this.selection.getFirstPosition(),e=t.parent,n=t.offset;if(!this.domConverter.mapViewToDom(e.root))return!1;if(!e.is("element"))return!1;if(!function(t){if("false"==t.getAttribute("contenteditable"))return!1;const e=t.findAncestor(t=>t.hasAttribute("contenteditable"));return!e||"true"==e.getAttribute("contenteditable")}(e))return!1;if(n===e.getFillerOffset())return!1;const o=t.nodeBefore,i=t.nodeAfter;return!(o instanceof je||i instanceof je)}_updateText(t,e){const n=this.domConverter.findCorrespondingDomText(t),o=this.domConverter.viewToDom(t,n.ownerDocument),i=n.data;let r=o.data;const s=e.inlineFillerPosition;if(s&&s.parent==t.parent&&s.offset==t.index&&(r=to+r),i!=r){const t=ao(i,r);for(const e of t)"insert"===e.type?n.insertData(e.index,e.values.join("")):n.deleteData(e.index,e.howMany)}}_updateAttrs(t){const e=this.domConverter.mapViewToDom(t);if(!e)return;const n=Array.from(e.attributes).map(t=>t.name),o=t.getAttributeKeys();for(const n of o)e.setAttribute(n,t.getAttribute(n));for(const o of n)t.hasAttribute(o)||e.removeAttribute(o)}_updateChildren(t,e){const n=this.domConverter.mapViewToDom(t);if(!n)return;const o=e.inlineFillerPosition,i=this.domConverter.mapViewToDom(t).childNodes,r=Array.from(this.domConverter.viewChildrenToDom(t,n.ownerDocument,{bind:!0,inlineFillerPosition:o}));o&&o.parent===t&&go(n.ownerDocument,r,o.offset);const s=this._diffNodeLists(i,r);let a=0;const c=new Set;for(const t of s)"insert"===t?(ho(n,a,r[a]),a++):"delete"===t?(c.add(i[a]),fo(i[a])):(this._markDescendantTextToSync(this.domConverter.domToView(r[a])),a++);for(const t of c)t.parentNode||this.domConverter.unbindDomElement(t)}_diffNodeLists(t,e){return uo(t=function(t,e){const n=Array.from(t);return 0!=n.length&&e?(n[n.length-1]==e&&n.pop(),n):n}(t,this._fakeSelectionContainer),e,function(t,e,n){return e===n||(Jn(e)&&Jn(n)?e.data===n.data:!(!ro(e,t)||!ro(n,t)))}.bind(null,this.domConverter.blockFiller))}_findReplaceActions(t,e,n){if(-1===t.indexOf("insert")||-1===t.indexOf("delete"))return t;let o=[],i=[],r=[];const s={equal:0,insert:0,delete:0};for(const a of t)"insert"===a?r.push(n[s.equal+s.insert]):"delete"===a?i.push(e[s.equal+s.delete]):((o=o.concat(uo(i,r,bo).map(t=>"equal"===t?"replace":t))).push("equal"),i=[],r=[]),s[a]++;return o.concat(uo(i,r,bo).map(t=>"equal"===t?"replace":t))}_markDescendantTextToSync(t){if(t)if(t.is("text"))this.markedTexts.add(t);else if(t.is("element"))for(const e of t.getChildren())this._markDescendantTextToSync(e)}_updateSelection(){if(0===this.selection.rangeCount)return this._removeDomSelection(),void this._removeFakeSelection();const t=this.domConverter.mapViewToDom(this.selection.editableElement);this.isFocused&&t&&(this.selection.isFake?this._updateFakeSelection(t):(this._removeFakeSelection(),this._updateDomSelection(t)))}_updateFakeSelection(t){const e=t.ownerDocument;let n=this._fakeSelectionContainer;n||(this._fakeSelectionContainer=n=e.createElement("div"),Object.assign(n.style,{position:"fixed",top:0,left:"-9999px",width:"42px"}),n.textContent=" "),n.parentElement&&n.parentElement==t||t.appendChild(n),n.textContent=this.selection.fakeSelectionLabel||" ";const o=e.getSelection(),i=e.createRange();o.removeAllRanges(),i.selectNodeContents(n),o.addRange(i),this.domConverter.bindFakeSelection(n,this.selection)}_updateDomSelection(t){const e=t.ownerDocument.defaultView.getSelection();if(!this._domSelectionNeedsUpdate(e))return;const n=this.domConverter.viewPositionToDom(this.selection.anchor),o=this.domConverter.viewPositionToDom(this.selection.focus);t.focus(),e.collapse(n.parent,n.offset),e.extend(o.parent,o.offset),Mn.isGecko&&function(t,e){const n=t.parent;if(n.nodeType!=Node.ELEMENT_NODE||t.offset!=n.childNodes.length-1)return;const 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wo={window:window,document:document};function _o(t){let e=0;for(;t.previousSibling;)t=t.previousSibling,e++;return e}function vo(t){const e=[];for(;t&&t.nodeType!=Node.DOCUMENT_NODE;)e.unshift(t),t=t.parentNode;return e}class ko{constructor(t={}){this.blockFiller=t.blockFiller||Kn,this.preElements=["pre"],this.blockElements=["p","div","h1","h2","h3","h4","h5","h6"],this._domToViewMapping=new WeakMap,this._viewToDomMapping=new WeakMap,this._fakeSelectionMapping=new WeakMap}bindFakeSelection(t,e){this._fakeSelectionMapping.set(t,new _n(e))}fakeSelectionToView(t){return this._fakeSelectionMapping.get(t)}bindElements(t,e){this._domToViewMapping.set(t,e),this._viewToDomMapping.set(e,t)}unbindDomElement(t){const e=this._domToViewMapping.get(t);if(e){this._domToViewMapping.delete(t),this._viewToDomMapping.delete(e);for(const e of 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b=t.constructor,w=e.constructor;b!=w&&"constructor"in t&&"constructor"in e&&!("function"==typeof b&&b instanceof b&&"function"==typeof w&&w instanceof w)&&(h=!1)}return r.delete(t),r.delete(e),h}(t,e,n,o,i,r))},$o=function t(e,n,o,i,r){return e===n||(null==e||null==n||!p(e)&&!p(n)?e!=e&&n!=n:qo(e,n,o,i,t,r))},Ho=function(t,e,n){var o=(n="function"==typeof n?n:void 0)?n(t,e):void 0;return void 0===o?$o(t,e,void 0,n):!!o};class Wo extends Eo{constructor(t){super(t),this._config={childList:!0,characterData:!0,characterDataOldValue:!0,subtree:!0},this.domConverter=t.domConverter,this.renderer=t._renderer,this._domElements=[],this._mutationObserver=new window.MutationObserver(this._onMutations.bind(this))}flush(){this._onMutations(this._mutationObserver.takeRecords())}observe(t){this._domElements.push(t),this.isEnabled&&this._mutationObserver.observe(t,this._config)}enable(){super.enable();for(const t of this._domElements)this._mutationObserver.observe(t,this._config)}disable(){super.disable(),this._mutationObserver.disconnect()}destroy(){super.destroy(),this._mutationObserver.disconnect()}_onMutations(t){if(0===t.length)return;const e=this.domConverter,n=new Map,o=new Set;for(const n of t)if("childList"===n.type){const t=e.mapDomToView(n.target);if(t&&t.is("uiElement"))continue;t&&!this._isBogusBrMutation(n)&&o.add(t)}for(const i of t){const t=e.mapDomToView(i.target);if(!(t&&t.is("uiElement")||"characterData"!==i.type)){const t=e.findCorrespondingViewText(i.target);t&&!o.has(t.parent)?n.set(t,{type:"text",oldText:t.data,newText:oo(i.target),node:t}):!t&&eo(i.target)&&o.add(e.mapDomToView(i.target.parentNode))}}const i=[];for(const t of n.values())this.renderer.markToSync("text",t.node),i.push(t);for(const t of o){const n=e.mapViewToDom(t),o=Array.from(t.getChildren()),r=Array.from(e.domChildrenToView(n,{withChildren:!1}));Ho(o,r,a)||(this.renderer.markToSync("children",t),i.push({type:"children",oldChildren:o,newChildren:r,node:t}))}const r=t[0].target.ownerDocument.getSelection();let s=null;if(r&&r.anchorNode){const t=e.domPositionToView(r.anchorNode,r.anchorOffset),n=e.domPositionToView(r.focusNode,r.focusOffset);t&&n&&(s=new _n(t)).setFocus(n)}function a(t,e){if(!Array.isArray(t))return t===e||!(!t.is("text")||!e.is("text"))&&t.data===e.data}this.document.fire("mutations",i,s),this.view.forceRender()}_isBogusBrMutation(t){let e=null;return null===t.nextSibling&&0===t.removedNodes.length&&1==t.addedNodes.length&&(e=this.domConverter.domToView(t.addedNodes[0],{withChildren:!1})),e&&e.is("element","br")}}class Yo{constructor(t,e,n){this.view=t,this.document=t.document,this.domEvent=e,this.domTarget=e.target,Ze(this,n)}get target(){return this.view.domConverter.mapDomToView(this.domTarget)}preventDefault(){this.domEvent.preventDefault()}stopPropagation(){this.domEvent.stopPropagation()}}class Go extends Eo{constructor(t){super(t),this.useCapture=!1}observe(t){("string"==typeof this.domEventType?[this.domEventType]:this.domEventType).forEach(e=>{this.listenTo(t,e,(t,e)=>{this.isEnabled&&this.onDomEvent(e)},{useCapture:this.useCapture})})}fire(t,e,n){this.isEnabled&&this.document.fire(t,new Yo(this.view,e,n))}}class Qo extends Go{constructor(t){super(t),this.domEventType=["keydown","keyup"]}onDomEvent(t){this.fire(t.type,t,{keyCode:t.keyCode,altKey:t.altKey,ctrlKey:t.ctrlKey||t.metaKey,shiftKey:t.shiftKey,get keystroke(){return Rn(this)}})}}var Jo=function(){return o.a.Date.now()},Ko=/^\s+|\s+$/g,Zo=/^[-+]0x[0-9a-f]+$/i,Xo=/^0b[01]+$/i,ti=/^0o[0-7]+$/i,ei=parseInt,ni=function(t){if("number"==typeof t)return t;if(function(t){return"symbol"==typeof t||p(t)&&"[object Symbol]"==d(t)}(t))return NaN;if(C(t)){var e="function"==typeof t.valueOf?t.valueOf():t;t=C(e)?e+"":e}if("string"!=typeof t)return 0===t?t:+t;t=t.replace(Ko,"");var n=Xo.test(t);return n||ti.test(t)?ei(t.slice(2),n?2:8):Zo.test(t)?NaN:+t},oi=Math.max,ii=Math.min,ri=function(t,e,n){var o,i,r,s,a,c,l=0,u=!1,d=!1,h=!0;if("function"!=typeof t)throw new TypeError("Expected a function");function f(e){var n=o,r=i;return o=i=void 0,l=e,s=t.apply(r,n)}function p(t){var n=t-c;return void 0===c||n>=e||n<0||d&&t-l>=r}function m(){var t=Jo();if(p(t))return g(t);a=setTimeout(m,function(t){var n=e-(t-c);return d?ii(n,r-(t-l)):n}(t))}function g(t){return a=void 0,h&&o?f(t):(o=i=void 0,s)}function b(){var t=Jo(),n=p(t);if(o=arguments,i=this,c=t,n){if(void 0===a)return function(t){return l=t,a=setTimeout(m,e),u?f(t):s}(c);if(d)return a=setTimeout(m,e),f(c)}return void 0===a&&(a=setTimeout(m,e)),s}return e=ni(e)||0,C(n)&&(u=!!n.leading,r=(d="maxWait"in n)?oi(ni(n.maxWait)||0,e):r,h="trailing"in n?!!n.trailing:h),b.cancel=function(){void 0!==a&&clearTimeout(a),l=0,o=c=i=a=void 0},b.flush=function(){return void 0===a?s:g(Jo())},b};class si extends Eo{constructor(t){super(t),this._fireSelectionChangeDoneDebounced=ri(t=>this.document.fire("selectionChangeDone",t),200)}observe(){const t=this.document;t.on("keydown",(e,n)=>{t.selection.isFake&&function(t){return t==Nn.arrowright||t==Nn.arrowleft||t==Nn.arrowup||t==Nn.arrowdown}(n.keyCode)&&this.isEnabled&&(n.preventDefault(),this._handleSelectionMove(n.keyCode))},{priority:"lowest"})}destroy(){super.destroy(),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionMove(t){const e=this.document.selection,n=new _n(e.getRanges(),{backward:e.isBackward,fake:!1});t!=Nn.arrowleft&&t!=Nn.arrowup||n.setTo(n.getFirstPosition()),t!=Nn.arrowright&&t!=Nn.arrowdown||n.setTo(n.getLastPosition());const o={oldSelection:e,newSelection:n,domSelection:null};this.document.fire("selectionChange",o),this._fireSelectionChangeDoneDebounced(o)}}var ai=n(2);class ci extends Eo{constructor(t){super(t),this.mutationObserver=t.getObserver(Wo),this.selection=this.document.selection,this.domConverter=t.domConverter,this._documents=new WeakSet,this._fireSelectionChangeDoneDebounced=ri(t=>this.document.fire("selectionChangeDone",t),200),this._clearInfiniteLoopInterval=setInterval(()=>this._clearInfiniteLoop(),1e3),this._loopbackCounter=0}observe(t){const e=t.ownerDocument;this._documents.has(e)||(this.listenTo(e,"selectionchange",()=>{this._handleSelectionChange(e)}),this._documents.add(e))}destroy(){super.destroy(),clearInterval(this._clearInfiniteLoopInterval),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionChange(t){if(!this.isEnabled||!this.document.isFocused&&!this.document.isReadOnly)return;this.mutationObserver.flush();const e=t.defaultView.getSelection(),n=this.domConverter.domSelectionToView(e);if(!this.selection.isEqual(n)||!this.domConverter.isDomSelectionCorrect(e))if(++this._loopbackCounter>60)ai.a.warn("selectionchange-infinite-loop: Selection change observer detected an infinite rendering loop.");else if(this.selection.isSimilar(n))this.view.forceRender();else{const t={oldSelection:this.selection,newSelection:n,domSelection:e};this.document.fire("selectionChange",t),this._fireSelectionChangeDoneDebounced(t)}}_clearInfiniteLoop(){this._loopbackCounter=0}}class li extends Go{constructor(t){super(t),this.domEventType=["focus","blur"],this.useCapture=!0;const e=this.document;e.on("focus",()=>{e.isFocused=!0,this._renderTimeoutId=setTimeout(()=>t.forceRender(),50)}),e.on("blur",(n,o)=>{const i=e.selection.editableElement;null!==i&&i!==o.target||(e.isFocused=!1,t.forceRender())})}onDomEvent(t){this.fire(t.type,t)}destroy(){this._renderTimeoutId&&clearTimeout(this._renderTimeoutId),super.destroy()}}class ui extends Go{constructor(t){super(t),this.domEventType=["compositionstart","compositionupdate","compositionend"];const e=this.document;e.on("compositionstart",()=>{e.isComposing=!0}),e.on("compositionend",()=>{e.isComposing=!1})}onDomEvent(t){this.fire(t.type,t)}}function di(t){return"[object Range]"==Object.prototype.toString.apply(t)}function hi(t){const e=t.ownerDocument.defaultView.getComputedStyle(t);return{top:parseInt(e.borderTopWidth,10),right:parseInt(e.borderRightWidth,10),bottom:parseInt(e.borderBottomWidth,10),left:parseInt(e.borderLeftWidth,10)}}const fi=["top","right","bottom","left","width","height"];class pi{constructor(t){const e=di(t);if(Object.defineProperty(this,"_source",{value:t._source||t,writable:!0,enumerable:!1}),pe(t)||e){const n=e?t.startContainer:t;n.ownerDocument&&n.ownerDocument.body.contains(n)||ai.a.warn("rect-source-not-in-dom: The source of this rect does not belong to any rendered DOM tree.",{source:t}),mi(this,e?pi.getDomRangeRects(t)[0]:t.getBoundingClientRect())}else if(Ao(t)){const{innerWidth:e,innerHeight:n}=t;mi(this,{top:0,right:e,bottom:n,left:0,width:e,height:n})}else mi(this,t)}clone(){return new pi(this)}moveTo(t,e){return this.top=e,this.right=t+this.width,this.bottom=e+this.height,this.left=t,this}moveBy(t,e){return this.top+=e,this.right+=t,this.left+=t,this.bottom+=e,this}getIntersection(t){const e={top:Math.max(this.top,t.top),right:Math.min(this.right,t.right),bottom:Math.min(this.bottom,t.bottom),left:Math.max(this.left,t.left)};return e.width=e.right-e.left,e.height=e.bottom-e.top,e.width<0||e.height<0?null:new pi(e)}getIntersectionArea(t){const e=this.getIntersection(t);return e?e.getArea():0}getArea(){return this.width*this.height}getVisible(){const t=this._source;let e=this.clone();if(!gi(t)){let n=t.parentNode||t.commonAncestorContainer;for(;n&&!gi(n);){const t=new pi(n),o=e.getIntersection(t);if(!o)return null;o.getArea()<e.getArea()&&(e=o),n=n.parentNode}}return e}isEqual(t){for(const e of fi)if(this[e]!==t[e])return!1;return!0}contains(t){const e=this.getIntersection(t);return!(!e||!e.isEqual(t))}excludeScrollbarsAndBorders(){const t=this._source;let e,n;if(Ao(t))e=t.innerWidth-t.document.documentElement.clientWidth,n=t.innerHeight-t.document.documentElement.clientHeight;else{const o=hi(this._source);e=t.offsetWidth-t.clientWidth,n=t.offsetHeight-t.clientHeight,this.moveBy(o.left,o.top)}return this.width-=e,this.right-=e,this.height-=n,this.bottom-=n,this}static getDomRangeRects(t){const e=[],n=Array.from(t.getClientRects());if(n.length)for(const t of n)e.push(new pi(t));else{let n=t.startContainer;Jn(n)&&(n=n.parentNode);const o=new pi(n.getBoundingClientRect());o.right=o.left,o.width=0,e.push(o)}return e}}function mi(t,e){for(const n of fi)t[n]=e[n]}function gi(t){return!!pe(t)&&t===t.ownerDocument.body}function bi({target:t,viewportOffset:e=0}){const n=Ai(t);let o=n,i=null;for(;o;){let r;_i(r=Ti(o==n?t:i),()=>Ci(t,o));const s=Ci(t,o);if(wi(o,s,e),o.parent!=o){if(i=o.frameElement,o=o.parent,!i)return}else o=null}}function wi(t,e,n){const o=e.clone().moveBy(0,n),i=e.clone().moveBy(0,-n),r=new pi(t).excludeScrollbarsAndBorders();if(![i,o].every(t=>r.contains(t))){let{scrollX:s,scrollY:a}=t;ki(i,r)?a-=r.top-e.top+n:vi(o,r)&&(a+=e.bottom-r.bottom+n),yi(e,r)?s-=r.left-e.left+n:xi(e,r)&&(s+=e.right-r.right+n),t.scrollTo(s,a)}}function _i(t,e){const n=Ai(t);let o,i;for(;t!=n.document.body;)i=e(),(o=new pi(t).excludeScrollbarsAndBorders()).contains(i)||(ki(i,o)?t.scrollTop-=o.top-i.top:vi(i,o)&&(t.scrollTop+=i.bottom-o.bottom),yi(i,o)?t.scrollLeft-=o.left-i.left:xi(i,o)&&(t.scrollLeft+=i.right-o.right)),t=t.parentNode}function vi(t,e){return t.bottom>e.bottom}function ki(t,e){return t.top<e.top}function yi(t,e){return t.left<e.left}function xi(t,e){return t.right>e.right}function Ai(t){return di(t)?t.startContainer.ownerDocument.defaultView:t.ownerDocument.defaultView}function Ti(t){if(di(t)){let e=t.commonAncestorContainer;return Jn(e)&&(e=e.parentNode),e}return t.parentNode}function Ci(t,e){const n=Ai(t),o=new pi(t);if(n===e)return o;{let t=n;for(;t!=e;){const e=t.frameElement,n=new pi(e).excludeScrollbarsAndBorders();o.moveBy(n.left,n.top),t=t.parent}}return o}Object.assign({},{scrollViewportToShowTarget:bi,scrollAncestorsToShowTarget:function(t){_i(Ti(t),()=>new pi(t))}});class Pi{constructor(){this.document=new yn,this.domConverter=new ko,this.domRoots=new Map,this.set("isRenderingInProgress",!1),this._renderer=new mo(this.domConverter,this.document.selection),this._renderer.bind("isFocused").to(this.document),this._initialDomRootAttributes=new WeakMap,this._observers=new Map,this._ongoingChange=!1,this._postFixersInProgress=!1,this._renderingDisabled=!1,this._hasChangedSinceTheLastRendering=!1,this._writer=new Bn(this.document),this.addObserver(Wo),this.addObserver(ci),this.addObserver(li),this.addObserver(Qo),this.addObserver(si),this.addObserver(ui),this.document.on("keydown",so),function(t){t.document.on("keydown",(e,n)=>(function(t,e,n){if(e.keyCode==Nn.arrowright){const t=e.domTarget.ownerDocument.defaultView.getSelection(),o=1==t.rangeCount&&t.getRangeAt(0).collapsed;if(o||e.shiftKey){const e=t.focusNode,i=t.focusOffset,r=n.domPositionToView(e,i);if(null===r)return;let s=!1;const a=r.getLastMatchingPosition(t=>(t.item.is("uiElement")&&(s=!0),!(!t.item.is("uiElement")&&!t.item.is("attributeElement"))));if(s){const e=n.viewPositionToDom(a);o?t.collapse(e.parent,e.offset):t.extend(e.parent,e.offset)}}}})(0,n,t.domConverter))}(this),this.on("render",()=>{this._render(),this.document.fire("layoutChanged"),this._hasChangedSinceTheLastRendering=!1}),this.listenTo(this.document.selection,"change",()=>{this._hasChangedSinceTheLastRendering=!0})}attachDomRoot(t,e="main"){const n=this.document.getRoot(e);n._name=t.tagName.toLowerCase();const o={};for(const{name:e,value:i}of Array.from(t.attributes))o[e]=i,"class"===e?this._writer.addClass(i.split(" "),n):this._writer.setAttribute(e,i,n);this._initialDomRootAttributes.set(t,o);const i=()=>{this._writer.setAttribute("contenteditable",!n.isReadOnly,n),n.isReadOnly?this._writer.addClass("ck-read-only",n):this._writer.removeClass("ck-read-only",n)};i(),this.domRoots.set(e,t),this.domConverter.bindElements(t,n),this._renderer.markToSync("children",n),this._renderer.markToSync("attributes",n),this._renderer.domDocuments.add(t.ownerDocument),n.on("change:children",(t,e)=>this._renderer.markToSync("children",e)),n.on("change:attributes",(t,e)=>this._renderer.markToSync("attributes",e)),n.on("change:text",(t,e)=>this._renderer.markToSync("text",e)),n.on("change:isReadOnly",()=>this.change(i)),n.on("change",()=>{this._hasChangedSinceTheLastRendering=!0});for(const n of this._observers.values())n.observe(t,e)}detachDomRoot(t){const e=this.domRoots.get(t);Array.from(e.attributes).forEach(({name:t})=>e.removeAttribute(t));const n=this._initialDomRootAttributes.get(e);for(const t in n)e.setAttribute(t,n[t]);this.domRoots.delete(t),this.domConverter.unbindDomElement(e)}getDomRoot(t="main"){return this.domRoots.get(t)}addObserver(t){let e=this._observers.get(t);if(e)return e;e=new t(this),this._observers.set(t,e);for(const[t,n]of this.domRoots)e.observe(n,t);return e.enable(),e}getObserver(t){return this._observers.get(t)}disableObservers(){for(const t of this._observers.values())t.disable()}enableObservers(){for(const t of this._observers.values())t.enable()}scrollToTheSelection(){const t=this.document.selection.getFirstRange();t&&bi({target:this.domConverter.viewRangeToDom(t),viewportOffset:20})}focus(){if(!this.document.isFocused){const t=this.document.selection.editableElement;t?(this.domConverter.focus(t),this.forceRender()):ai.a.warn("view-focus-no-selection: There is no selection in any editable to focus.")}}change(t){if(this.isRenderingInProgress||this._postFixersInProgress)throw new be.b("cannot-change-view-tree: Attempting to make changes to the view when it is in an incorrect state: rendering or post-fixers are in progress. This may cause some unexpected behavior and inconsistency between the DOM and the view.");if(this._ongoingChange)return t(this._writer);this._ongoingChange=!0;const e=t(this._writer);return this._ongoingChange=!1,!this._renderingDisabled&&this._hasChangedSinceTheLastRendering&&(this._postFixersInProgress=!0,this.document._callPostFixers(this._writer),this._postFixersInProgress=!1,this.fire("render")),e}forceRender(){this._hasChangedSinceTheLastRendering=!0,this.change(()=>{})}destroy(){for(const t of this._observers.values())t.destroy();this.document.destroy(),this.stopListening()}createPositionAt(t,e){return mn._createAt(t,e)}createPositionAfter(t){return mn._createAfter(t)}createPositionBefore(t){return mn._createBefore(t)}createRange(t,e){return new gn(t,e)}createRangeOn(t){return gn._createOn(t)}createRangeIn(t){return gn._createIn(t)}createSelection(t,e,n){return new _n(t,e,n)}_disableRendering(t){this._renderingDisabled=t,0==t&&this.change(()=>{})}_render(){this.isRenderingInProgress=!0,this.disableObservers(),this._renderer.render(),this.enableObservers(),this.isRenderingInProgress=!1}}function Ei(t){return v(t)?Le(t):new Map(t)}Ie(Pi,on);class Si{constructor(t){this.parent=null,this._attrs=Ei(t)}get index(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildIndex(this)))throw new be.b("model-node-not-found-in-parent: The node's parent does not contain this node.");return t}get startOffset(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildStartOffset(this)))throw new be.b("model-node-not-found-in-parent: The node's parent does not contain this node.");return t}get offsetSize(){return 1}get endOffset(){return this.parent?this.startOffset+this.offsetSize:null}get nextSibling(){const t=this.index;return null!==t&&this.parent.getChild(t+1)||null}get previousSibling(){const t=this.index;return null!==t&&this.parent.getChild(t-1)||null}get root(){let t=this;for(;t.parent;)t=t.parent;return t}get document(){return this.root==this?null:this.root.document||null}getPath(){const t=[];let e=this;for(;e.parent;)t.unshift(e.startOffset),e=e.parent;return t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let n=t.includeSelf?this:this.parent;for(;n;)e[t.parentFirst?"push":"unshift"](n),n=n.parent;return e}getCommonAncestor(t,e={}){const n=this.getAncestors(e),o=t.getAncestors(e);let i=0;for(;n[i]==o[i]&&n[i];)i++;return 0===i?null:n[i-1]}isBefore(t){if(this==t)return!1;if(this.root!==t.root)return!1;const e=this.getPath(),n=t.getPath(),o=Oe(e,n);switch(o){case"prefix":return!0;case"extension":return!1;default:return e[o]<n[o]}}isAfter(t){return this!=t&&this.root===t.root&&!this.isBefore(t)}hasAttribute(t){return this._attrs.has(t)}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}toJSON(){const t={};return this._attrs.size&&(t.attributes=Array.from(this._attrs).reduce((t,e)=>(t[e[0]]=e[1],t),{})),t}_clone(){return new Si(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(t,e){this._attrs.set(t,e)}_setAttributesTo(t){this._attrs=Ei(t)}_removeAttribute(t){return this._attrs.delete(t)}_clearAttributes(){this._attrs.clear()}is(t){return"node"==t}}class Mi extends Si{constructor(t,e){super(e),this._data=t||""}get offsetSize(){return this.data.length}get data(){return this._data}is(t){return"text"==t||super.is(t)}toJSON(){const t=super.toJSON();return t.data=this.data,t}_clone(){return new Mi(this.data,this.getAttributes())}static fromJSON(t){return new Mi(t.data,t.attributes)}}class Ii{constructor(t,e,n){if(this.textNode=t,e<0||e>t.offsetSize)throw new be.b("model-textproxy-wrong-offsetintext: Given offsetInText value is incorrect.");if(n<0||e+n>t.offsetSize)throw new be.b("model-textproxy-wrong-length: Given length value is incorrect.");this.data=t.data.substring(e,e+n),this.offsetInText=e}get startOffset(){return null!==this.textNode.startOffset?this.textNode.startOffset+this.offsetInText:null}get offsetSize(){return this.data.length}get endOffset(){return null!==this.startOffset?this.startOffset+this.offsetSize:null}get isPartial(){return this.offsetSize!==this.textNode.offsetSize}get parent(){return this.textNode.parent}get root(){return this.textNode.root}get document(){return this.textNode.document}is(t){return"textProxy"==t}getPath(){const t=this.textNode.getPath();return t.length>0&&(t[t.length-1]+=this.offsetInText),t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let n=t.includeSelf?this:this.parent;for(;n;)e[t.parentFirst?"push":"unshift"](n),n=n.parent;return e}hasAttribute(t){return this.textNode.hasAttribute(t)}getAttribute(t){return this.textNode.getAttribute(t)}getAttributes(){return this.textNode.getAttributes()}getAttributeKeys(){return this.textNode.getAttributeKeys()}}class Oi{constructor(t){this._nodes=[],t&&this._insertNodes(0,t)}[Symbol.iterator](){return this._nodes[Symbol.iterator]()}get length(){return this._nodes.length}get maxOffset(){return this._nodes.reduce((t,e)=>t+e.offsetSize,0)}getNode(t){return this._nodes[t]||null}getNodeIndex(t){const e=this._nodes.indexOf(t);return-1==e?null:e}getNodeStartOffset(t){const e=this.getNodeIndex(t);return null===e?null:this._nodes.slice(0,e).reduce((t,e)=>t+e.offsetSize,0)}indexToOffset(t){if(t==this._nodes.length)return this.maxOffset;const e=this._nodes[t];if(!e)throw new be.b("model-nodelist-index-out-of-bounds: Given index cannot be found in the node list.");return this.getNodeStartOffset(e)}offsetToIndex(t){let e=0;for(const n of this._nodes){if(t>=e&&t<e+n.offsetSize)return this.getNodeIndex(n);e+=n.offsetSize}if(e!=t)throw new be.b("model-nodelist-offset-out-of-bounds: Given offset cannot be found in the node list.",{offset:t,nodeList:this});return this.length}_insertNodes(t,e){for(const t of e)if(!(t instanceof Si))throw new be.b("model-nodelist-insertNodes-not-node: Trying to insert an object which is not a Node instance.");this._nodes.splice(t,0,...e)}_removeNodes(t,e=1){return this._nodes.splice(t,e)}toJSON(){return this._nodes.map(t=>t.toJSON())}}class Ni extends Si{constructor(t,e,n){super(e),this.name=t,this._children=new Oi,n&&this._insertChild(0,n)}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}is(t,e=null){return e?"element"==t&&e==this.name:"element"==t||t==this.name||super.is(t)}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}offsetToIndex(t){return this._children.offsetToIndex(t)}getNodeByPath(t){let e=this;for(const n of t)e=e.getChild(e.offsetToIndex(n));return e}toJSON(){const t=super.toJSON();if(t.name=this.name,this._children.length>0){t.children=[];for(const e of this._children)t.children.push(e.toJSON())}return t}_clone(t=!1){const e=t?Array.from(this._children).map(t=>t._clone(!0)):null;return new Ni(this.name,this.getAttributes(),e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=function(t){return"string"==typeof t?[new Mi(t)]:(Ve(t)||(t=[t]),Array.from(t).map(t=>"string"==typeof t?new Mi(t):t instanceof Ii?new Mi(t.data,t.getAttributes()):t))}(e);for(const t of n)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,n)}_removeChildren(t,e=1){const n=this._children._removeNodes(t,e);for(const t of n)t.parent=null;return n}static fromJSON(t){let e=null;if(t.children){e=[];for(const n of t.children)n.name?e.push(Ni.fromJSON(n)):e.push(Mi.fromJSON(n))}return new Ni(t.name,t.attributes,e)}}class Ri{constructor(t={}){if(!t.boundaries&&!t.startPosition)throw new be.b("model-tree-walker-no-start-position: Neither boundaries nor starting position have been defined.");const e=t.direction||"forward";if("forward"!=e&&"backward"!=e)throw new be.b("model-tree-walker-unknown-direction: Only `backward` and `forward` direction allowed.",{direction:e});this.direction=e,this.boundaries=t.boundaries||null,t.startPosition?this.position=t.startPosition.clone():this.position=Li._createAt(this.boundaries["backward"==this.direction?"end":"start"]),this.position.stickiness="toNone",this.singleCharacters=!!t.singleCharacters,this.shallow=!!t.shallow,this.ignoreElementEnd=!!t.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null,this._visitedParent=this.position.parent}[Symbol.iterator](){return this}skip(t){let e,n,o,i;do{o=this.position,i=this._visitedParent,({done:e,value:n}=this.next())}while(!e&&t(n));e||(this.position=o,this._visitedParent=i)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){const t=this.position,e=this.position.clone(),n=this._visitedParent;if(null===n.parent&&e.offset===n.maxOffset)return{done:!0};if(n===this._boundaryEndParent&&e.offset==this.boundaries.end.offset)return{done:!0};const o=e.textNode?e.textNode:e.nodeAfter;if(o instanceof Ni)return this.shallow?e.offset++:(e.path.push(0),this._visitedParent=o),this.position=e,ji("elementStart",o,t,e,1);if(o instanceof Mi){let i;if(this.singleCharacters)i=1;else{let t=o.endOffset;this._boundaryEndParent==n&&this.boundaries.end.offset<t&&(t=this.boundaries.end.offset),i=t-e.offset}const r=e.offset-o.startOffset,s=new Ii(o,r,i);return e.offset+=i,this.position=e,ji("text",s,t,e,i)}return e.path.pop(),e.offset++,this.position=e,this._visitedParent=n.parent,this.ignoreElementEnd?this._next():ji("elementEnd",n,t,e)}_previous(){const t=this.position,e=this.position.clone(),n=this._visitedParent;if(null===n.parent&&0===e.offset)return{done:!0};if(n==this._boundaryStartParent&&e.offset==this.boundaries.start.offset)return{done:!0};const o=e.textNode?e.textNode:e.nodeBefore;if(o instanceof Ni)return e.offset--,this.shallow?(this.position=e,ji("elementStart",o,t,e,1)):(e.path.push(o.maxOffset),this.position=e,this._visitedParent=o,this.ignoreElementEnd?this._previous():ji("elementEnd",o,t,e));if(o instanceof Mi){let i;if(this.singleCharacters)i=1;else{let t=o.startOffset;this._boundaryStartParent==n&&this.boundaries.start.offset>t&&(t=this.boundaries.start.offset),i=e.offset-t}const r=e.offset-o.startOffset,s=new Ii(o,r-i,i);return e.offset-=i,this.position=e,ji("text",s,t,e,i)}return e.path.pop(),this.position=e,this._visitedParent=n.parent,ji("elementStart",n,t,e,1)}}function ji(t,e,n,o,i){return{done:!1,value:{type:t,item:e,previousPosition:n,nextPosition:o,length:i}}}var Di=function(t){var e=null==t?0:t.length;return e?t[e-1]:void 0};class Li{constructor(t,e,n="toNone"){if(!t.is("element")&&!t.is("documentFragment"))throw new be.b("model-position-root-invalid: Position root invalid.");if(!(e instanceof Array)||0===e.length)throw new be.b("model-position-path-incorrect: Position path must be an array with at least one item.",{path:e});e=t.getPath().concat(e),t=t.root,this.root=t,this.path=e,this.stickiness=n}get offset(){return Di(this.path)}set offset(t){this.path[this.path.length-1]=t}get parent(){let t=this.root;for(let e=0;e<this.path.length-1;e++)t=t.getChild(t.offsetToIndex(this.path[e]));return t}get index(){return this.parent.offsetToIndex(this.offset)}get textNode(){const t=this.parent.getChild(this.index);return t instanceof Mi&&t.startOffset<this.offset?t:null}get nodeAfter(){return null===this.textNode?this.parent.getChild(this.index):null}get nodeBefore(){return null===this.textNode?this.parent.getChild(this.index-1):null}get isAtStart(){return 0===this.offset}get isAtEnd(){return this.offset==this.parent.maxOffset}compareWith(t){if(this.root!=t.root)return"different";const e=Oe(this.path,t.path);switch(e){case"same":return"same";case"prefix":return"before";case"extension":return"after";default:return this.path[e]<t.path[e]?"before":"after"}}getLastMatchingPosition(t,e={}){e.startPosition=this;const n=new Ri(e);return n.skip(t),n.position}getParentPath(){return this.path.slice(0,-1)}getAncestors(){return this.parent.is("documentFragment")?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonPath(t){if(this.root!=t.root)return[];const e=Oe(this.path,t.path),n="string"==typeof e?Math.min(this.path.length,t.path.length):e;return this.path.slice(0,n)}getCommonAncestor(t){const e=this.getAncestors(),n=t.getAncestors();let o=0;for(;e[o]==n[o]&&e[o];)o++;return 0===o?null:e[o-1]}getShiftedBy(t){const e=this.clone(),n=e.offset+t;return e.offset=n<0?0:n,e}isAfter(t){return"after"==this.compareWith(t)}isBefore(t){return"before"==this.compareWith(t)}isEqual(t){return"same"==this.compareWith(t)}isTouching(t){let e=null,n=null;switch(this.compareWith(t)){case"same":return!0;case"before":e=Li._createAt(this),n=Li._createAt(t);break;case"after":e=Li._createAt(t),n=Li._createAt(this);break;default:return!1}let o=e.parent;for(;e.path.length+n.path.length;){if(e.isEqual(n))return!0;if(e.path.length>n.path.length){if(e.offset!==o.maxOffset)return!1;e.path=e.path.slice(0,-1),o=o.parent,e.offset++}else{if(0!==n.offset)return!1;n.path=n.path.slice(0,-1)}}}hasSameParentAs(t){return this.root===t.root&&"same"==Oe(this.getParentPath(),t.getParentPath())}getTransformedByOperation(t){let e;switch(t.type){case"insert":e=this._getTransformedByInsertOperation(t);break;case"move":case"remove":case"reinsert":e=this._getTransformedByMoveOperation(t);break;case"split":e=this._getTransformedBySplitOperation(t);break;case"merge":e=this._getTransformedByMergeOperation(t);break;default:e=Li._createAt(this)}return e}_getTransformedByInsertOperation(t){return this._getTransformedByInsertion(t.position,t.howMany)}_getTransformedByMoveOperation(t){return this._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany)}_getTransformedBySplitOperation(t){const e=t.movedRange;return e.containsPosition(this)||e.start.isEqual(this)&&"toNext"==this.stickiness?this._getCombined(t.splitPosition,t.moveTargetPosition):t.graveyardPosition?this._getTransformedByMove(t.graveyardPosition,t.insertionPosition,1):this._getTransformedByInsertion(t.insertionPosition,1)}_getTransformedByMergeOperation(t){const e=t.movedRange;let n;return e.containsPosition(this)||e.start.isEqual(this)?(n=this._getCombined(t.sourcePosition,t.targetPosition),t.sourcePosition.isBefore(t.targetPosition)&&(n=n._getTransformedByDeletion(t.deletionPosition,1))):n=this.isEqual(t.deletionPosition)?Li._createAt(t.deletionPosition):this._getTransformedByMove(t.deletionPosition,t.graveyardPosition,1),n}_getTransformedByDeletion(t,e){const n=Li._createAt(this);if(this.root!=t.root)return n;if("same"==Oe(t.getParentPath(),this.getParentPath())){if(t.offset<this.offset){if(t.offset+e>this.offset)return null;n.offset-=e}}else if("prefix"==Oe(t.getParentPath(),this.getParentPath())){const o=t.path.length-1;if(t.offset<=this.path[o]){if(t.offset+e>this.path[o])return null;n.path[o]-=e}}return n}_getTransformedByInsertion(t,e){const n=Li._createAt(this);if(this.root!=t.root)return n;if("same"==Oe(t.getParentPath(),this.getParentPath()))(t.offset<this.offset||t.offset==this.offset&&"toPrevious"!=this.stickiness)&&(n.offset+=e);else if("prefix"==Oe(t.getParentPath(),this.getParentPath())){const o=t.path.length-1;t.offset<=this.path[o]&&(n.path[o]+=e)}return n}_getTransformedByMove(t,e,n){if(e=e._getTransformedByDeletion(t,n),t.isEqual(e))return Li._createAt(this);const o=this._getTransformedByDeletion(t,n);return null===o||t.isEqual(this)&&"toNext"==this.stickiness||t.getShiftedBy(n).isEqual(this)&&"toPrevious"==this.stickiness?this._getCombined(t,e):o._getTransformedByInsertion(e,n)}_getCombined(t,e){const n=t.path.length-1,o=Li._createAt(e);return o.stickiness=this.stickiness,o.offset=o.offset+this.path[n]-t.offset,o.path=o.path.concat(this.path.slice(n+1)),o}toJSON(){return{root:this.root.toJSON(),path:Array.from(this.path),stickiness:this.stickiness}}clone(){return new this.constructor(this.root,this.path,this.stickiness)}static _createAt(t,e,n="toNone"){if(t instanceof Li)return new Li(t.root,t.path,t.stickiness);{const o=t;if("end"==e)e=o.maxOffset;else{if("before"==e)return this._createBefore(o,n);if("after"==e)return this._createAfter(o,n);if(0!==e&&!e)throw new be.b("model-createPositionAt-offset-required: Model#createPositionAt() requires the offset when the first parameter is a model item.")}if(!o.is("element")&&!o.is("documentFragment"))throw new be.b("model-position-parent-incorrect: Position parent have to be a element or document fragment.");const i=o.getPath();return i.push(e),new this(o.root,i,n)}}static _createAfter(t,e){if(!t.parent)throw new be.b("model-position-after-root: You cannot make a position after root.",{root:t});return this._createAt(t.parent,t.endOffset,e)}static _createBefore(t,e){if(!t.parent)throw new be.b("model-position-before-root: You cannot make a position before root.",{root:t});return this._createAt(t.parent,t.startOffset,e)}static fromJSON(t,e){if("$graveyard"===t.root){const n=new Li(e.graveyard,t.path);return n.stickiness=t.stickiness,n}if(!e.getRoot(t.root))throw new be.b("model-position-fromjson-no-root: Cannot create position for document. Root with specified name does not exist.",{rootName:t.root});return new Li(e.getRoot(t.root),t.path,t.stickiness)}}class Vi{constructor(t,e=null){this.start=Li._createAt(t),this.end=e?Li._createAt(e):Li._createAt(t),this.start.stickiness=this.isCollapsed?"toNone":"toNext",this.end.stickiness=this.isCollapsed?"toNone":"toPrevious"}*[Symbol.iterator](){yield*new Ri({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return"same"==Oe(this.start.getParentPath(),this.end.getParentPath())}get root(){return this.start.root}containsPosition(t){return t.isAfter(this.start)&&t.isBefore(this.end)}containsRange(t,e=!1){t.isCollapsed&&(e=!1);const n=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),o=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return n&&o}containsItem(t){const e=Li._createBefore(t);return this.containsPosition(e)||this.start.isEqual(e)}isEqual(t){return this.start.isEqual(t.start)&&this.end.isEqual(t.end)}isIntersecting(t){return this.start.isBefore(t.end)&&this.end.isAfter(t.start)}getDifference(t){const e=[];return this.isIntersecting(t)?(this.containsPosition(t.start)&&e.push(new Vi(this.start,t.start)),this.containsPosition(t.end)&&e.push(new Vi(t.end,this.end))):e.push(new Vi(this.start,this.end)),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,n=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(n=t.end),new Vi(e,n)}return null}getMinimalFlatRanges(){const t=[],e=this.start.getCommonPath(this.end).length,n=Li._createAt(this.start);let o=n.parent;for(;n.path.length>e+1;){const e=o.maxOffset-n.offset;0!==e&&t.push(new Vi(n,n.getShiftedBy(e))),n.path=n.path.slice(0,-1),n.offset++,o=o.parent}for(;n.path.length<=this.end.path.length;){const e=this.end.path[n.path.length-1],o=e-n.offset;0!==o&&t.push(new Vi(n,n.getShiftedBy(o))),n.offset=e,n.path.push(0)}return t}getWalker(t={}){return t.boundaries=this,new Ri(t)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new Ri(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new Ri(t);yield e.position;for(const t of e)yield t.nextPosition}getTransformedByOperation(t){switch(t.type){case"insert":return this._getTransformedByInsertOperation(t);case"move":case"remove":case"reinsert":return this._getTransformedByMoveOperation(t);case"split":return[this._getTransformedBySplitOperation(t)];case"merge":return[this._getTransformedByMergeOperation(t)]}return[new Vi(this.start,this.end)]}getTransformedByOperations(t){const e=[new Vi(this.start,this.end)];for(const n of t)for(let t=0;t<e.length;t++){const o=e[t].getTransformedByOperation(n);e.splice(t,1,...o),t+=o.length-1}for(let t=0;t<e.length;t++){const n=e[t];for(let o=t+1;o<e.length;o++){const t=e[o];(n.containsRange(t)||t.containsRange(n)||n.isEqual(t))&&e.splice(o,1)}}return e}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}toJSON(){return{start:this.start.toJSON(),end:this.end.toJSON()}}clone(){return new this.constructor(this.start,this.end)}_getTransformedByInsertOperation(t,e=!1){return this._getTransformedByInsertion(t.position,t.howMany,e)}_getTransformedByMoveOperation(t,e=!1){const n=t.sourcePosition,o=t.howMany,i=t.targetPosition;return this._getTransformedByMove(n,i,o,e)}_getTransformedBySplitOperation(t){const e=this.start._getTransformedBySplitOperation(t);let n=this.end._getTransformedBySplitOperation(t);return this.end.isEqual(t.insertionPosition)&&(n=this.end.getShiftedBy(1)),e.root!=n.root&&(n=this.end.getShiftedBy(-1)),new Vi(e,n)}_getTransformedByMergeOperation(t){if(this.start.isEqual(t.targetPosition)&&this.end.isEqual(t.deletionPosition))return new Vi(this.start);let e=this.start._getTransformedByMergeOperation(t),n=this.end._getTransformedByMergeOperation(t);return e.root!=n.root&&(n=this.end.getShiftedBy(-1)),e.isAfter(n)?(t.sourcePosition.isBefore(t.targetPosition)?(e=Li._createAt(n)).offset=0:(t.deletionPosition.isEqual(e)||(n=t.deletionPosition),e=t.targetPosition),new Vi(e,n)):new Vi(e,n)}_getTransformedByInsertion(t,e,n=!1){if(n&&this.containsPosition(t))return[new Vi(this.start,t),new Vi(t.getShiftedBy(e),this.end._getTransformedByInsertion(t,e))];{const n=new Vi(this.start,this.end);return n.start=n.start._getTransformedByInsertion(t,e),n.end=n.end._getTransformedByInsertion(t,e),[n]}}_getTransformedByMove(t,e,n,o=!1){if(this.isCollapsed){const o=this.start._getTransformedByMove(t,e,n);return[new Vi(o)]}const i=Vi._createFromPositionAndShift(t,n),r=e._getTransformedByDeletion(t,n);if(this.containsPosition(e)&&!o&&(i.containsPosition(this.start)||i.containsPosition(this.end))){const o=this.start._getTransformedByMove(t,e,n),i=this.end._getTransformedByMove(t,e,n);return[new Vi(o,i)]}let s;const a=this.getDifference(i);let c=null;const l=this.getIntersection(i);if(1==a.length?c=new Vi(a[0].start._getTransformedByDeletion(t,n),a[0].end._getTransformedByDeletion(t,n)):2==a.length&&(c=new Vi(this.start,this.end._getTransformedByDeletion(t,n))),s=c?c._getTransformedByInsertion(r,n,null!==l||o):[],l){const t=new Vi(l.start._getCombined(i.start,r),l.end._getCombined(i.start,r));2==s.length?s.splice(1,0,t):s.push(t)}return s}_getTransformedByDeletion(t,e){let n=this.start._getTransformedByDeletion(t,e),o=this.end._getTransformedByDeletion(t,e);return null==n&&null==o?null:(null==n&&(n=t),null==o&&(o=t),new Vi(n,o))}static _createFromPositionAndShift(t,e){const n=t,o=t.getShiftedBy(e);return e>0?new this(n,o):new this(o,n)}static _createIn(t){return new this(Li._createAt(t,0),Li._createAt(t,t.maxOffset))}static _createOn(t){return this._createFromPositionAndShift(Li._createBefore(t),t.offsetSize)}static _createFromRanges(t){if(0===t.length)throw new be.b("range-create-from-ranges-empty-array: At least one range has to be passed.");if(1==t.length)return t[0].clone();const e=t[0];t.sort((t,e)=>t.start.isAfter(e.start)?1:-1);const n=t.indexOf(e),o=new this(e.start,e.end);if(n>0)for(let e=n-1;t[e].end.isEqual(o.start);e++)o.start=Li._createAt(t[e].start);for(let e=n+1;e<t.length&&t[e].start.isEqual(o.end);e++)o.end=Li._createAt(t[e].end);return o}static fromJSON(t,e){return new this(Li.fromJSON(t.start,e),Li.fromJSON(t.end,e))}}class zi{constructor(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._viewToModelLengthCallbacks=new Map,this._markerNameToElements=new Map,this.on("modelToViewPosition",(t,e)=>{if(e.viewPosition)return;const n=this._modelToViewMapping.get(e.modelPosition.parent);e.viewPosition=this._findPositionIn(n,e.modelPosition.offset)},{priority:"low"}),this.on("viewToModelPosition",(t,e)=>{if(e.modelPosition)return;const n=this.findMappedViewAncestor(e.viewPosition),o=this._viewToModelMapping.get(n),i=this._toModelOffset(e.viewPosition.parent,e.viewPosition.offset,n);e.modelPosition=Li._createAt(o,i)},{priority:"low"})}bindElements(t,e){this._modelToViewMapping.set(t,e),this._viewToModelMapping.set(e,t)}unbindViewElement(t){const e=this.toModelElement(t);this._viewToModelMapping.delete(t),this._modelToViewMapping.get(e)==t&&this._modelToViewMapping.delete(e)}unbindModelElement(t){const e=this.toViewElement(t);this._modelToViewMapping.delete(t),this._viewToModelMapping.get(e)==t&&this._viewToModelMapping.delete(e)}bindElementToMarker(t,e){const n=this._markerNameToElements.get(e)||new Set;n.add(t),this._markerNameToElements.set(e,n)}unbindElementsFromMarkerName(t){this._markerNameToElements.delete(t)}clearBindings(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._markerNameToElements=new Map}toModelElement(t){return this._viewToModelMapping.get(t)}toViewElement(t){return this._modelToViewMapping.get(t)}toModelRange(t){return new Vi(this.toModelPosition(t.start),this.toModelPosition(t.end))}toViewRange(t){return new gn(this.toViewPosition(t.start),this.toViewPosition(t.end))}toModelPosition(t){const e={viewPosition:t,mapper:this};return this.fire("viewToModelPosition",e),e.modelPosition}toViewPosition(t,e={isPhantom:!1}){const n={modelPosition:t,mapper:this,isPhantom:e.isPhantom};return this.fire("modelToViewPosition",n),n.viewPosition}markerNameToElements(t){const e=this._markerNameToElements.get(t);if(!e)return null;const n=new Set;for(const t of e)if(t.is("attributeElement"))for(const e of t.getElementsWithSameId())n.add(e);else n.add(t);return n}registerViewToModelLength(t,e){this._viewToModelLengthCallbacks.set(t,e)}findMappedViewAncestor(t){let e=t.parent;for(;!this._viewToModelMapping.has(e);)e=e.parent;return e}_toModelOffset(t,e,n){if(n!=t)return this._toModelOffset(t.parent,t.index,n)+this._toModelOffset(t,e,t);if(t.is("text"))return e;let o=0;for(let n=0;n<e;n++)o+=this.getModelLength(t.getChild(n));return o}getModelLength(t){if(this._viewToModelLengthCallbacks.get(t.name))return this._viewToModelLengthCallbacks.get(t.name)(t);if(this._viewToModelMapping.has(t))return 1;if(t.is("text"))return t.data.length;if(t.is("uiElement"))return 0;{let e=0;for(const n of t.getChildren())e+=this.getModelLength(n);return e}}_findPositionIn(t,e){let n,o=0,i=0,r=0;if(t.is("text"))return new mn(t,e);for(;i<e;)n=t.getChild(r),i+=o=this.getModelLength(n),r++;return i==e?this._moveViewPositionToTextNode(new mn(t,r)):this._findPositionIn(n,e-(i-o))}_moveViewPositionToTextNode(t){const e=t.nodeBefore,n=t.nodeAfter;return e instanceof je?new mn(e,e.data.length):n instanceof je?new mn(n,0):t}}Ie(zi,Ae);class Bi{constructor(){this._consumable=new Map,this._textProxyRegistry=new Map}add(t,e){e=Fi(e),t instanceof Ii&&(t=this._getSymbolForTextProxy(t)),this._consumable.has(t)||this._consumable.set(t,new Map),this._consumable.get(t).set(e,!0)}consume(t,e){return e=Fi(e),t instanceof Ii&&(t=this._getSymbolForTextProxy(t)),!!this.test(t,e)&&(this._consumable.get(t).set(e,!1),!0)}test(t,e){e=Fi(e),t instanceof Ii&&(t=this._getSymbolForTextProxy(t));const n=this._consumable.get(t);if(void 0===n)return null;const o=n.get(e);return void 0===o?null:o}revert(t,e){e=Fi(e),t instanceof Ii&&(t=this._getSymbolForTextProxy(t));const n=this.test(t,e);return!1===n?(this._consumable.get(t).set(e,!0),!0):!0!==n&&null}_getSymbolForTextProxy(t){let e=null;const n=this._textProxyRegistry.get(t.startOffset);if(n){const o=n.get(t.endOffset);o&&(e=o.get(t.parent))}return e||(e=this._addSymbolForTextProxy(t.startOffset,t.endOffset,t.parent)),e}_addSymbolForTextProxy(t,e,n){const o=Symbol("textProxySymbol");let i,r;return(i=this._textProxyRegistry.get(t))||(i=new Map,this._textProxyRegistry.set(t,i)),(r=i.get(e))||(r=new Map,i.set(e,r)),r.set(n,o),o}}function Fi(t){const e=t.split(":");return e.length>1?e[0]+":"+e[1]:e[0]}class Ui{constructor(t={}){this.conversionApi=Ze({dispatcher:this},t)}convertChanges(t,e){for(const n of t.getMarkersToRemove())this.convertMarkerRemove(n.name,n.range,e);for(const n of t.getChanges())"insert"==n.type?this.convertInsert(Vi._createFromPositionAndShift(n.position,n.length),e):"remove"==n.type?this.convertRemove(n.position,n.length,n.name,e):this.convertAttribute(n.range,n.attributeKey,n.attributeOldValue,n.attributeNewValue,e);for(const n of t.getMarkersToAdd())this.convertMarkerAdd(n.name,n.range,e)}convertInsert(t,e){this.conversionApi.writer=e,this.conversionApi.consumable=this._createInsertConsumable(t);for(const e of t){const t=e.item,n={item:t,range:Vi._createFromPositionAndShift(e.previousPosition,e.length)};this._testAndFire("insert",n);for(const e of t.getAttributeKeys())n.attributeKey=e,n.attributeOldValue=null,n.attributeNewValue=t.getAttribute(e),this._testAndFire(`attribute:${e}`,n)}this._clearConversionApi()}convertRemove(t,e,n,o){this.conversionApi.writer=o,this.fire("remove:"+n,{position:t,length:e},this.conversionApi),this._clearConversionApi()}convertAttribute(t,e,n,o,i){this.conversionApi.writer=i,this.conversionApi.consumable=this._createConsumableForRange(t,`attribute:${e}`);for(const i of t){const t={item:i.item,range:Vi._createFromPositionAndShift(i.previousPosition,i.length),attributeKey:e,attributeOldValue:n,attributeNewValue:o};this._testAndFire(`attribute:${e}`,t)}this._clearConversionApi()}convertSelection(t,e,n){const o=Array.from(e.getMarkersAtPosition(t.getFirstPosition()));if(this.conversionApi.writer=n,this.conversionApi.consumable=this._createSelectionConsumable(t,o),this.fire("selection",{selection:t},this.conversionApi),t.isCollapsed){for(const e of o){const n=e.getRange();if(!qi(t.getFirstPosition(),e,this.conversionApi.mapper))continue;const o={item:t,markerName:e.name,markerRange:n};this.conversionApi.consumable.test(t,"addMarker:"+e.name)&&this.fire("addMarker:"+e.name,o,this.conversionApi)}for(const e of t.getAttributeKeys()){const n={item:t,range:t.getFirstRange(),attributeKey:e,attributeOldValue:null,attributeNewValue:t.getAttribute(e)};this.conversionApi.consumable.test(t,"attribute:"+n.attributeKey)&&this.fire("attribute:"+n.attributeKey+":$text",n,this.conversionApi)}this._clearConversionApi()}}convertMarkerAdd(t,e,n){if(!e.root.document||"$graveyard"==e.root.rootName)return;this.conversionApi.writer=n;const o="addMarker:"+t,i=new Bi;if(i.add(e,o),this.conversionApi.consumable=i,this.fire(o,{markerName:t,markerRange:e},this.conversionApi),i.test(e,o)){this.conversionApi.consumable=this._createConsumableForRange(e,o);for(const n of e.getItems()){if(!this.conversionApi.consumable.test(n,o))continue;const i={item:n,range:Vi._createOn(n),markerName:t,markerRange:e};this.fire(o,i,this.conversionApi)}this._clearConversionApi()}}convertMarkerRemove(t,e,n){e.root.document&&"$graveyard"!=e.root.rootName&&(this.conversionApi.writer=n,this.fire("removeMarker:"+t,{markerName:t,markerRange:e},this.conversionApi),this._clearConversionApi())}_createInsertConsumable(t){const e=new Bi;for(const n of t){const t=n.item;e.add(t,"insert");for(const n of t.getAttributeKeys())e.add(t,"attribute:"+n)}return e}_createConsumableForRange(t,e){const n=new Bi;for(const o of t.getItems())n.add(o,e);return n}_createSelectionConsumable(t,e){const n=new Bi;n.add(t,"selection");for(const o of e)n.add(t,"addMarker:"+o.name);for(const e of t.getAttributeKeys())n.add(t,"attribute:"+e);return n}_testAndFire(t,e){if(!this.conversionApi.consumable.test(e.item,t))return;const n=e.item.name||"$text";this.fire(t+":"+n,e,this.conversionApi)}_clearConversionApi(){delete this.conversionApi.writer,delete this.conversionApi.consumable}}function qi(t,e,n){const o=e.getRange(),i=Array.from(t.getAncestors());return i.shift(),i.reverse(),!i.some(t=>{if(o.containsItem(t))return!!n.toViewElement(t).getCustomProperty("addHighlight")})}Ie(Ui,Ae);class $i{constructor(t,e,n){this._lastRangeBackward=!1,this._ranges=[],this._attrs=new Map,t&&this.setTo(t,e,n)}get anchor(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.end:t.start}return null}get focus(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.start:t.end}return null}get isCollapsed(){return 1===this._ranges.length&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}isEqual(t){if(this.rangeCount!=t.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus))return!1;for(const e of this._ranges){let n=!1;for(const o of t._ranges)if(e.isEqual(o)){n=!0;break}if(!n)return!1}return!0}*getRanges(){for(const t of this._ranges)yield new Vi(t.start,t.end)}getFirstRange(){let t=null;for(const e of this._ranges)t&&!e.start.isBefore(t.start)||(t=e);return t?new Vi(t.start,t.end):null}getLastRange(){let t=null;for(const e of this._ranges)t&&!e.end.isAfter(t.end)||(t=e);return t?new Vi(t.start,t.end):null}getFirstPosition(){const t=this.getFirstRange();return t?t.start.clone():null}getLastPosition(){const t=this.getLastRange();return t?t.end.clone():null}setTo(t,e,n){if(null===t)this._setRanges([]);else if(t instanceof $i)this._setRanges(t.getRanges(),t.isBackward);else if(t&&"function"==typeof t.getRanges)this._setRanges(t.getRanges(),t.isBackward);else if(t instanceof Vi)this._setRanges([t],!!e&&!!e.backward);else if(t instanceof Li)this._setRanges([new Vi(t)]);else if(t instanceof Si){const o=!!n&&!!n.backward;let i;if("in"==e)i=Vi._createIn(t);else if("on"==e)i=Vi._createOn(t);else{if(void 0===e)throw new be.b("model-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.");i=new Vi(Li._createAt(t,e))}this._setRanges([i],o)}else{if(!Ve(t))throw new be.b("model-selection-setTo-not-selectable: Cannot set the selection to the given place.");this._setRanges(t,e&&!!e.backward)}}_setRanges(t,e=!1){const n=(t=Array.from(t)).some(t=>{if(!(t instanceof Vi))throw new be.b("model-selection-set-ranges-not-range: Selection range set to an object that is not an instance of model.Range.");return this._ranges.every(e=>!e.isEqual(t))});if(t.length!==this._ranges.length||n){this._removeAllRanges();for(const e of t)this._pushRange(e);this._lastRangeBackward=!!e,this.fire("change:range",{directChange:!0})}}setFocus(t,e){if(null===this.anchor)throw new be.b("model-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.");const n=Li._createAt(t,e);if("same"==n.compareWith(this.focus))return;const o=this.anchor;this._ranges.length&&this._popRange(),"before"==n.compareWith(o)?(this._pushRange(new Vi(n,o)),this._lastRangeBackward=!0):(this._pushRange(new Vi(o,n)),this._lastRangeBackward=!1),this.fire("change:range",{directChange:!0})}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}hasAttribute(t){return this._attrs.has(t)}removeAttribute(t){this.hasAttribute(t)&&(this._attrs.delete(t),this.fire("change:attribute",{attributeKeys:[t],directChange:!0}))}setAttribute(t,e){this.getAttribute(t)!==e&&(this._attrs.set(t,e),this.fire("change:attribute",{attributeKeys:[t],directChange:!0}))}getSelectedElement(){if(1!==this.rangeCount)return null;const t=this.getFirstRange(),e=t.start.nodeAfter,n=t.end.nodeBefore;return e instanceof Ni&&e==n?e:null}is(t){return"selection"==t}*getSelectedBlocks(){const t=new WeakSet;for(const e of this.getRanges()){const n=Wi(e.start,t);n&&(yield n);for(const n of e.getWalker())"elementEnd"==n.type&&Hi(n.item,t)&&(yield n.item);const o=Wi(e.end,t);o&&!e.end.isTouching(Li._createAt(o,0))&&(yield o)}}*getTopMostBlocks(){const t=Array.from(this.getSelectedBlocks());for(const e of t){const n=Yi(e);n&&t.includes(n)||(yield e)}}containsEntireContent(t=this.anchor.root){const e=Li._createAt(t,0),n=Li._createAt(t,"end");return e.isTouching(this.getFirstPosition())&&n.isTouching(this.getLastPosition())}_pushRange(t){this._checkRange(t),this._ranges.push(new Vi(t.start,t.end))}_checkRange(t){for(let e=0;e<this._ranges.length;e++)if(t.isIntersecting(this._ranges[e]))throw new be.b("model-selection-range-intersects: Trying to add a range that intersects with another range in the selection.",{addedRange:t,intersectingRange:this._ranges[e]})}_removeAllRanges(){for(;this._ranges.length>0;)this._popRange()}_popRange(){this._ranges.pop()}}function Hi(t,e){return!e.has(t)&&(e.add(t),t.document.model.schema.isBlock(t)&&t.parent)}function Wi(t,e){const n=t.parent.document.model.schema,o=t.parent.getAncestors({parentFirst:!0,includeSelf:!0});let i=!1;const r=o.find(t=>!i&&!(i=n.isLimit(t))&&Hi(t,e));return o.forEach(t=>e.add(t)),r}function Yi(t){const e=t.document.model.schema;let n=t.parent;for(;n;){if(e.isBlock(n))return n;n=n.parent}}Ie($i,Ae);class Gi extends Vi{constructor(t,e){super(t,e),function(){this.listenTo(this.root.document.model,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&function(t){const e=this.getTransformedByOperation(t),n=Vi._createFromRanges(e),o=!n.isEqual(this),i=function(t,e){switch(e.type){case"insert":return t.containsPosition(e.position);case"move":case"remove":case"reinsert":case"merge":return t.containsPosition(e.sourcePosition)||t.start.isEqual(e.sourcePosition)||t.containsPosition(e.targetPosition);case"split":return t.containsPosition(e.splitPosition)||t.containsPosition(e.insertionPosition)}return!1}(this,t);let r=null;if(o){"$graveyard"==n.root.rootName&&(r="remove"==t.type?t.sourcePosition:t.deletionPosition);const e=this.toRange();this.start=n.start,this.end=n.end,this.fire("change:range",e,{deletionPosition:r})}else i&&this.fire("change:content",this.toRange(),{deletionPosition:r})}.call(this,n)},{priority:"low"})}.call(this)}detach(){this.stopListening()}toRange(){return new Vi(this.start,this.end)}static fromRange(t){return new Gi(t.start,t.end)}}Ie(Gi,Ae);const Qi="selection:";class Ji{constructor(t){this._selection=new Ki(t),this._selection.delegate("change:range").to(this),this._selection.delegate("change:attribute").to(this)}get isCollapsed(){return this._selection.isCollapsed}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get rangeCount(){return this._selection.rangeCount}get hasOwnRange(){return this._selection.hasOwnRange}get isBackward(){return this._selection.isBackward}get isGravityOverridden(){return this._selection.isGravityOverridden}get markers(){return this._selection.markers}get _ranges(){return this._selection._ranges}getRanges(){return this._selection.getRanges()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getSelectedBlocks(){return this._selection.getSelectedBlocks()}getTopMostBlocks(){return this._selection.getTopMostBlocks()}getSelectedElement(){return this._selection.getSelectedElement()}containsEntireContent(t){return this._selection.containsEntireContent(t)}destroy(){this._selection.destroy()}getAttributeKeys(){return this._selection.getAttributeKeys()}getAttributes(){return this._selection.getAttributes()}getAttribute(t){return this._selection.getAttribute(t)}hasAttribute(t){return this._selection.hasAttribute(t)}refresh(){this._selection._updateMarkers(),this._selection._updateAttributes(!1)}is(t){return"selection"==t||"documentSelection"==t}_setFocus(t,e){this._selection.setFocus(t,e)}_setTo(t,e,n){this._selection.setTo(t,e,n)}_setAttribute(t,e){this._selection.setAttribute(t,e)}_removeAttribute(t){this._selection.removeAttribute(t)}_getStoredAttributes(){return this._selection._getStoredAttributes()}_overrideGravity(){return this._selection.overrideGravity()}_restoreGravity(t){this._selection.restoreGravity(t)}static _getStoreAttributeKey(t){return Qi+t}static _isStoreAttributeKey(t){return t.startsWith(Qi)}}Ie(Ji,Ae);class Ki extends $i{constructor(t){super(),this.markers=new kn({idProperty:"name"}),this._model=t.model,this._document=t,this._attributePriority=new Map,this._fixGraveyardRangesData=[],this._hasChangedRange=!1,this._overriddenGravityRegister=new Set,this.listenTo(this._model,"applyOperation",(t,e)=>{const n=e[0];if(n.isDocumentOperation&&"marker"!=n.type&&"rename"!=n.type&&"noop"!=n.type){for(;this._fixGraveyardRangesData.length;){const{liveRange:t,sourcePosition:e}=this._fixGraveyardRangesData.shift();this._fixGraveyardSelection(t,e)}this._hasChangedRange&&(this._hasChangedRange=!1,this.fire("change:range",{directChange:!1}))}},{priority:"lowest"}),this.on("change:range",()=>{for(const t of this.getRanges())if(!this._document._validateSelectionRange(t))throw new be.b("document-selection-wrong-position: Range from document selection starts or ends at incorrect position.",{range:t})}),this.listenTo(this._model.markers,"update",()=>this._updateMarkers()),this.listenTo(this._document,"change",(t,e)=>{!function(t,e){const n=t.document.differ;for(const o of n.getChanges()){if("insert"!=o.type)continue;const n=o.position.parent;o.length===n.maxOffset&&t.enqueueChange(e,t=>{const e=Array.from(n.getAttributeKeys()).filter(t=>t.startsWith(Qi));for(const o of e)t.removeAttribute(o,n)})}}(this._model,e)})}get isCollapsed(){return 0===this._ranges.length?this._document._getDefaultRange().isCollapsed:super.isCollapsed}get anchor(){return super.anchor||this._document._getDefaultRange().start}get focus(){return super.focus||this._document._getDefaultRange().end}get rangeCount(){return this._ranges.length?this._ranges.length:1}get hasOwnRange(){return this._ranges.length>0}get isGravityOverridden(){return!!this._overriddenGravityRegister.size}destroy(){for(let t=0;t<this._ranges.length;t++)this._ranges[t].detach();this.stopListening()}*getRanges(){this._ranges.length?yield*super.getRanges():yield this._document._getDefaultRange()}getFirstRange(){return super.getFirstRange()||this._document._getDefaultRange()}getLastRange(){return super.getLastRange()||this._document._getDefaultRange()}setTo(t,e,n){super.setTo(t,e,n),this._updateAttributes(!0)}setFocus(t,e){super.setFocus(t,e),this._updateAttributes(!0)}setAttribute(t,e){if(this._setAttribute(t,e)){const e=[t];this.fire("change:attribute",{attributeKeys:e,directChange:!0})}}removeAttribute(t){if(this._removeAttribute(t)){const e=[t];this.fire("change:attribute",{attributeKeys:e,directChange:!0})}}overrideGravity(){const t=ve();return this._overriddenGravityRegister.add(t),1===this._overriddenGravityRegister.size&&this._updateAttributes(!0),t}restoreGravity(t){if(!this._overriddenGravityRegister.has(t))throw new be.b("document-selection-gravity-wrong-restore: Attempting to restore the selection gravity for an unknown UID.",{uid:t});this._overriddenGravityRegister.delete(t),this.isGravityOverridden||this._updateAttributes(!0)}_popRange(){this._ranges.pop().detach()}_pushRange(t){const e=this._prepareRange(t);e&&this._ranges.push(e)}_prepareRange(t){if(this._checkRange(t),t.root==this._document.graveyard)return void ai.a.warn("model-selection-range-in-graveyard: Trying to add a Range that is in the graveyard root. Range rejected.");const e=Gi.fromRange(t);return e.on("change:range",(t,n,o)=>{this._hasChangedRange=!0,e.root==this._document.graveyard&&this._fixGraveyardRangesData.push({liveRange:e,sourcePosition:o.deletionPosition})}),e}_updateMarkers(){const t=[];for(const e of this._model.markers){const n=e.getRange();for(const o of this.getRanges())n.containsRange(o,!o.isCollapsed)&&t.push(e)}for(const e of t)this.markers.has(e)||this.markers.add(e);for(const e of Array.from(this.markers))t.includes(e)||this.markers.remove(e)}_updateAttributes(t){const e=Ei(this._getSurroundingAttributes()),n=Ei(this.getAttributes());if(t)this._attributePriority=new Map,this._attrs=new Map;else for(const[t,e]of this._attributePriority)"low"==e&&(this._attrs.delete(t),this._attributePriority.delete(t));this._setAttributesTo(e);const o=[];for(const[t,e]of this.getAttributes())n.has(t)&&n.get(t)===e||o.push(t);for(const[t]of n)this.hasAttribute(t)||o.push(t);o.length>0&&this.fire("change:attribute",{attributeKeys:o,directChange:!1})}_setAttribute(t,e,n=!0){const o=n?"normal":"low";return("low"!=o||"normal"!=this._attributePriority.get(t))&&super.getAttribute(t)!==e&&(this._attrs.set(t,e),this._attributePriority.set(t,o),!0)}_removeAttribute(t,e=!0){const n=e?"normal":"low";return!("low"==n&&"normal"==this._attributePriority.get(t)||(this._attributePriority.set(t,n),!super.hasAttribute(t)||(this._attrs.delete(t),0)))}_setAttributesTo(t){const e=new Set;for(const[e,n]of this.getAttributes())t.get(e)!==n&&this._removeAttribute(e,!1);for(const[n,o]of t)this._setAttribute(n,o,!1)&&e.add(n);return e}*_getStoredAttributes(){const t=this.getFirstPosition().parent;if(this.isCollapsed&&t.isEmpty)for(const e of t.getAttributeKeys())e.startsWith(Qi)&&(yield[e.substr(Qi.length),t.getAttribute(e)])}_getSurroundingAttributes(){const t=this.getFirstPosition(),e=this._model.schema;let n=null;if(this.isCollapsed){const e=t.textNode?t.textNode:t.nodeBefore,o=t.textNode?t.textNode:t.nodeAfter;if(this.isGravityOverridden||(n=Zi(e)),n||(n=Zi(o)),!this.isGravityOverridden&&!n){let t=e;for(;t&&!n;)n=Zi(t=t.previousSibling)}if(!n){let t=o;for(;t&&!n;)n=Zi(t=t.nextSibling)}n||(n=this._getStoredAttributes())}else{const t=this.getFirstRange();for(const o of t){if(o.item.is("element")&&e.isObject(o.item))break;if("text"==o.type){n=o.item.getAttributes();break}}}return n}_fixGraveyardSelection(t,e){const n=e.clone(),o=this._model.schema.getNearestSelectionRange(n),i=this._ranges.indexOf(t);if(this._ranges.splice(i,1),t.detach(),o){const t=this._prepareRange(o);this._ranges.splice(i,0,t)}}}function Zi(t){return t instanceof Ii||t instanceof Mi?t.getAttributes():null}class Xi{constructor(t){this._dispatchers=t}add(t){for(const e of this._dispatchers)t(e);return this}}var tr=function(t){return he(t,5)};class er extends Xi{elementToElement(t){return this.add(function(t){return(t=tr(t)).view=or(t.view,"container"),e=>{e.on("insert:"+t.model,function(t){return(e,n,o)=>{const i=t(n.item,o.writer);if(!i)return;if(!o.consumable.consume(n.item,"insert"))return;const r=o.mapper.toViewPosition(n.range.start);o.mapper.bindElements(n.item,i),o.writer.insert(r,i)}}(t.view),{priority:t.converterPriority||"normal"})}}(t))}attributeToElement(t){return this.add(function(t){let e="attribute:"+((t=tr(t)).model.key?t.model.key:t.model);if(t.model.name&&(e+=":"+t.model.name),t.model.values)for(const e of t.model.values)t.view[e]=or(t.view[e],"attribute");else t.view=or(t.view,"attribute");const n=ir(t);return o=>{o.on(e,function(t){return(e,n,o)=>{const i=t(n.attributeOldValue,o.writer),r=t(n.attributeNewValue,o.writer);if(!i&&!r)return;if(!o.consumable.consume(n.item,e.name))return;const s=o.writer,a=s.document.selection;if(n.item instanceof $i||n.item instanceof Ji)s.wrap(a.getFirstRange(),r);else{let t=o.mapper.toViewRange(n.range);null!==n.attributeOldValue&&i&&(t=s.unwrap(t,i)),null!==n.attributeNewValue&&r&&s.wrap(t,r)}}}(n),{priority:t.converterPriority||"normal"})}}(t))}attributeToAttribute(t){return this.add(function(t){let e="attribute:"+((t=tr(t)).model.key?t.model.key:t.model);if(t.model.name&&(e+=":"+t.model.name),t.model.values)for(const e of t.model.values)t.view[e]=rr(t.view[e]);else t.view=rr(t.view);const n=ir(t);return o=>{o.on(e,function(t){return(e,n,o)=>{const i=t(n.attributeOldValue,n),r=t(n.attributeNewValue,n);if(!i&&!r)return;if(!o.consumable.consume(n.item,e.name))return;const s=o.mapper.toViewElement(n.item),a=o.writer;if(s){if(null!==n.attributeOldValue&&i)if("class"==i.key){const t=Array.isArray(i.value)?i.value:[i.value];for(const e of t)a.removeClass(e,s)}else if("style"==i.key){const t=Object.keys(i.value);for(const e of t)a.removeStyle(e,s)}else a.removeAttribute(i.key,s);if(null!==n.attributeNewValue&&r)if("class"==r.key){const t=Array.isArray(r.value)?r.value:[r.value];for(const e of t)a.addClass(e,s)}else if("style"==r.key){const t=Object.keys(r.value);for(const e of t)a.setStyle(e,r.value[e],s)}else a.setAttribute(r.key,r.value,s)}else ai.a.warn("conversion-attribute-to-attribute-on-text: Trying to convert text node's attribute with attribute-to-attribute converter.")}}(n),{priority:t.converterPriority||"normal"})}}(t))}markerToElement(t){return this.add(function(t){return(t=tr(t)).view=or(t.view,"ui"),e=>{e.on("addMarker:"+t.model,function(t){return(e,n,o)=>{n.isOpening=!0;const i=t(n,o.writer);n.isOpening=!1;const r=t(n,o.writer);if(!i||!r)return;const s=n.markerRange;if(s.isCollapsed&&!o.consumable.consume(s,e.name))return;for(const t of s)if(!o.consumable.consume(t.item,e.name))return;const a=o.mapper,c=o.writer;c.insert(a.toViewPosition(s.start),i),o.mapper.bindElementToMarker(i,n.markerName),s.isCollapsed||(c.insert(a.toViewPosition(s.end),r),o.mapper.bindElementToMarker(r,n.markerName)),e.stop()}}(t.view),{priority:t.converterPriority||"normal"}),e.on("removeMarker:"+t.model,(t.view,(t,e,n)=>{const o=n.mapper.markerNameToElements(e.markerName);if(o){n.mapper.unbindElementsFromMarkerName(e.markerName);for(const t of o)n.writer.clear(n.writer.createRangeOn(t),t);n.writer.clearClonedElementsGroup(e.markerName),t.stop()}}),{priority:t.converterPriority||"normal"})}}(t))}markerToHighlight(t){return this.add(function(t){return e=>{e.on("addMarker:"+t.model,function(t){return(e,n,o)=>{if(!n.item)return;if(!(n.item instanceof $i||n.item instanceof Ji||n.item.is("textProxy")))return;const i=sr(t,n,o);if(!i)return;if(!o.consumable.consume(n.item,e.name))return;const r=nr(i),s=o.writer,a=s.document.selection;if(n.item instanceof $i||n.item instanceof Ji)s.wrap(a.getFirstRange(),r,a);else{const t=o.mapper.toViewRange(n.range),e=s.wrap(t,r);for(const t of e.getItems())if(t.is("attributeElement")&&t.isSimilar(r)){o.mapper.bindElementToMarker(t,n.markerName);break}}}}(t.view),{priority:t.converterPriority||"normal"}),e.on("addMarker:"+t.model,function(t){return(e,n,o)=>{if(!n.item)return;if(!(n.item instanceof Ni))return;const i=sr(t,n,o);if(!i)return;if(!o.consumable.test(n.item,e.name))return;const r=o.mapper.toViewElement(n.item);if(r&&r.getCustomProperty("addHighlight")){o.consumable.consume(n.item,e.name);for(const t of Vi._createIn(n.item))o.consumable.consume(t.item,e.name);r.getCustomProperty("addHighlight")(r,i,o.writer),o.mapper.bindElementToMarker(r,n.markerName)}}}(t.view),{priority:t.converterPriority||"normal"}),e.on("removeMarker:"+t.model,function(t){return(e,n,o)=>{if(n.markerRange.isCollapsed)return;const i=sr(t,n,o);if(!i)return;const r=nr(i),s=o.mapper.markerNameToElements(n.markerName);if(s){o.mapper.unbindElementsFromMarkerName(n.markerName);for(const t of s)t.is("attributeElement")?o.writer.unwrap(o.writer.createRangeOn(t),r):t.getCustomProperty("removeHighlight")(t,i.id,o.writer);o.writer.clearClonedElementsGroup(n.markerName),e.stop()}}}(t.view),{priority:t.converterPriority||"normal"})}}(t))}}function nr(t){const e=new An("span",t.attributes);return t.classes&&e._addClass(t.classes),t.priority&&(e._priority=t.priority),e._id=t.id,e}function or(t,e){return"function"==typeof t?t:(n,o)=>(function(t,e,n){let o;"string"==typeof t&&(t={name:t});const i=Object.assign({},t.attributes);if("container"==n)o=e.createContainerElement(t.name,i);else if("attribute"==n){const n={priority:t.priority||An.DEFAULT_PRIORITY};o=e.createAttributeElement(t.name,i,n)}else o=e.createUIElement(t.name,i);if(t.styles){const n=Object.keys(t.styles);for(const i of n)e.setStyle(i,t.styles[i],o)}if(t.classes){const n=t.classes;if("string"==typeof n)e.addClass(n,o);else for(const t of n)e.addClass(t,o)}return o})(t,o,e)}function ir(t){return t.model.values?(e,n)=>{const o=t.view[e];return o?o(e,n):null}:t.view}function rr(t){return"string"==typeof t?e=>({key:t,value:e}):"object"==typeof t?t.value?()=>t:e=>({key:t.key,value:e}):t}function sr(t,e,n){const o="function"==typeof t?t(e,n):t;return o?(o.priority||(o.priority=10),o.id||(o.id=e.markerName),o):null}class ar extends Xi{elementToElement(t){return this.add(cr(t))}elementToAttribute(t){return this.add(function(t){ur(t=tr(t));const e=dr(t,!1),n=lr(t),o=n?"element:"+n:"element";return n=>{n.on(o,e,{priority:t.converterPriority||"low"})}}(t))}attributeToAttribute(t){return this.add(function(t){let e=null;("string"==typeof(t=tr(t)).view||t.view.key)&&(e=function(t){"string"==typeof t.view&&(t.view={key:t.view});const e=t.view.key;let n;if("class"==e||"style"==e){n={["class"==e?"classes":"styles"]:t.view.value}}else{n={attributes:{[e]:void 0===t.view.value?/[\s\S]*/:t.view.value}}}return t.view.name&&(n.name=t.view.name),t.view=n,e}(t)),ur(t,e);const n=dr(t,!0);return e=>{e.on("element",n,{priority:t.converterPriority||"low"})}}(t))}elementToMarker(t){return this.add(function(t){return function(t){const e=t.model;t.model=((t,n)=>{const o="string"==typeof e?e:e(t);return n.createElement("$marker",{"data-name":o})})}(t=tr(t)),cr(t)}(t))}}function cr(t){const e=function(t){const e=t.view?new ze(t.view):null;return(n,o,i)=>{let r={};if(e){const t=e.match(o.viewItem);if(!t)return;r=t.match}r.name=!0;const s=function(t,e,n){return t instanceof Function?t(e,n):n.createElement(t)}(t.model,o.viewItem,i.writer);if(!s)return;if(!i.consumable.test(o.viewItem,r))return;const a=i.splitToAllowedParent(s,o.modelCursor);if(!a)return;i.writer.insert(s,a.position),i.convertChildren(o.viewItem,i.writer.createPositionAt(s,0)),i.consumable.consume(o.viewItem,r);const c=i.getSplitParts(s);o.modelRange=new Vi(i.writer.createPositionBefore(s),i.writer.createPositionAfter(c[c.length-1])),a.cursorParent?o.modelCursor=i.writer.createPositionAt(a.cursorParent,0):o.modelCursor=o.modelRange.end}}(t=tr(t)),n=lr(t),o=n?"element:"+n:"element";return n=>{n.on(o,e,{priority:t.converterPriority||"normal"})}}function lr(t){return"string"==typeof t.view?t.view:"object"==typeof t.view&&"string"==typeof t.view.name?t.view.name:null}function ur(t,e=null){const n=null===e||(t=>t.getAttribute(e)),o="object"!=typeof t.model?t.model:t.model.key,i="object"!=typeof t.model||void 0===t.model.value?n:t.model.value;t.model={key:o,value:i}}function dr(t,e){const n=new ze(t.view);return(o,i,r)=>{const s=n.match(i.viewItem);if(!s)return;const a=t.model.key,c="function"==typeof t.model.value?t.model.value(i.viewItem):t.model.value;null!==c&&(function(t){return!("object"==typeof t.view&&!lr(t))&&(!t.view.classes&&!t.view.attributes&&!t.view.styles)}(t)?s.match.name=!0:delete s.match.name,r.consumable.test(i.viewItem,s.match)&&(i.modelRange||(i=Object.assign(i,r.convertChildren(i.viewItem,i.modelCursor))),function(t,e,n,o){let i=!1;for(const r of Array.from(t.getItems({shallow:n})))o.schema.checkAttribute(r,e.key)&&(o.writer.setAttribute(e.key,e.value,r),i=!0);return i}(i.modelRange,{key:a,value:c},e,r)&&r.consumable.consume(i.viewItem,s.match)))}}class hr{constructor(t){this.model=t,this.view=new Pi,this.mapper=new zi,this.downcastDispatcher=new Ui({mapper:this.mapper});const e=this.model.document,n=e.selection,o=this.model.markers;this.listenTo(this.model,"_beforeChanges",()=>{this.view._disableRendering(!0)},{priority:"highest"}),this.listenTo(this.model,"_afterChanges",()=>{this.view._disableRendering(!1)},{priority:"lowest"}),this.listenTo(e,"change",()=>{this.view.change(t=>{this.downcastDispatcher.convertChanges(e.differ,t),this.downcastDispatcher.convertSelection(n,o,t)})},{priority:"low"}),this.listenTo(this.view.document,"selectionChange",function(t,e){return(n,o)=>{const i=o.newSelection,r=new $i,s=[];for(const t of i.getRanges())s.push(e.toModelRange(t));r.setTo(s,{backward:i.isBackward}),r.isEqual(t.document.selection)||t.change(t=>{t.setSelection(r)})}}(this.model,this.mapper)),this.downcastDispatcher.on("insert:$text",(t,e,n)=>{if(!n.consumable.consume(e.item,"insert"))return;const o=n.writer,i=n.mapper.toViewPosition(e.range.start),r=o.createText(e.item.data);o.insert(i,r)},{priority:"lowest"}),this.downcastDispatcher.on("remove",(t,e,n)=>{const o=n.mapper.toViewPosition(e.position),i=e.position.getShiftedBy(e.length),r=n.mapper.toViewPosition(i,{isPhantom:!0}),s=n.writer.createRange(o,r),a=n.writer.remove(s.getTrimmed());for(const t of n.writer.createRangeIn(a).getItems())n.mapper.unbindViewElement(t)},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,n)=>{const o=n.writer,i=o.document.selection;for(const t of i.getRanges())t.isCollapsed&&t.end.parent.document&&n.writer.mergeAttributes(t.start);o.setSelection(null)},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,n)=>{const o=e.selection;if(o.isCollapsed)return;if(!n.consumable.consume(o,"selection"))return;const i=[];for(const t of o.getRanges()){const e=n.mapper.toViewRange(t);i.push(e)}n.writer.setSelection(i,{backward:o.isBackward})},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,n)=>{const o=e.selection;if(!o.isCollapsed)return;if(!n.consumable.consume(o,"selection"))return;const i=n.writer,r=o.getFirstPosition(),s=n.mapper.toViewPosition(r),a=i.breakAttributes(s);i.setSelection(a)},{priority:"low"}),this.view.document.roots.bindTo(this.model.document.roots).using(t=>{if("$graveyard"==t.rootName)return null;const e=new fn(t.name);return e.rootName=t.rootName,e._document=this.view.document,this.mapper.bindElements(t,e),e})}destroy(){this.view.destroy(),this.stopListening()}}Ie(hr,on);class fr{constructor(t,e=[]){this._editor=t,this._availablePlugins=new Map,this._plugins=new Map;for(const t of e)this._availablePlugins.set(t,t),t.pluginName&&this._availablePlugins.set(t.pluginName,t)}*[Symbol.iterator](){for(const t of this._plugins)"function"==typeof t[0]&&(yield t)}get(t){const e=this._plugins.get(t);if(!e){const e="plugincollection-plugin-not-loaded: The requested plugin is not loaded.";let n=t;throw"function"==typeof t&&(n=t.pluginName||t.name),new be.b(e,{plugin:n})}return e}has(t){return this._plugins.has(t)}init(t,e=[]){const n=this,o=this._editor,i=new Set,r=[],s=d(t),a=d(e),c=function(t){const e=[];for(const n of t)u(n)||e.push(n);return e.length?e:null}(t);if(c){const t="plugincollection-plugin-not-found: Some plugins are not available and could not be loaded.";return ai.a.error(t,{plugins:c}),Promise.reject(new be.b(t,{plugins:c}))}return Promise.all(s.map(function t(s){if(!a.includes(s)&&!n._plugins.has(s)&&!i.has(s))return function(s){return new Promise(a=>{i.add(s),s.requires&&s.requires.forEach(n=>{const o=u(n);if(e.includes(o))throw new be.b("plugincollection-required: Cannot load a plugin because one of its dependencies is listed inthe `removePlugins` option.",{plugin:o,requiredBy:s});t(o)});const c=new s(o);n._add(s,c),r.push(c),a()})}(s).catch(t=>{throw ai.a.error("plugincollection-load: It was not possible to load the plugin.",{plugin:s}),t})})).then(()=>l(r,"init")).then(()=>l(r,"afterInit")).then(()=>r);function l(t,e){return t.reduce((t,n)=>n[e]?t.then(n[e].bind(n)):t,Promise.resolve())}function u(t){return"function"==typeof t?t:n._availablePlugins.get(t)}function d(t){return t.map(t=>u(t)).filter(t=>!!t)}}destroy(){const t=Array.from(this).map(([,t])=>t).filter(t=>"function"==typeof t.destroy).map(t=>t.destroy());return Promise.all(t)}_add(t,e){this._plugins.set(t,e);const n=t.pluginName;n&&(this._plugins.has(n)?ai.a.warn("plugincollection-plugin-name-conflict: Two plugins with the same name were loaded.",{pluginName:n,plugin1:this._plugins.get(n).constructor,plugin2:t}):this._plugins.set(n,e))}}Ie(fr,Ae);class pr{constructor(){this._commands=new Map}add(t,e){this._commands.set(t,e)}get(t){return this._commands.get(t)}execute(t,...e){const n=this.get(t);if(!n)throw new be.b("commandcollection-command-not-found: Command does not exist.",{commandName:t});n.execute(...e)}*names(){yield*this._commands.keys()}*commands(){yield*this._commands.values()}[Symbol.iterator](){return this._commands[Symbol.iterator]()}destroy(){for(const t of this.commands())t.destroy()}}window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={});class mr{constructor(t){this.language=t||"en",this.t=((...t)=>this._t(...t))}_t(t,e){let n=function(t,e){const n=Object.keys(window.CKEDITOR_TRANSLATIONS).length;return 1===n&&(t=Object.keys(window.CKEDITOR_TRANSLATIONS)[0]),0!==n&&function(t,e){return t in window.CKEDITOR_TRANSLATIONS&&e in window.CKEDITOR_TRANSLATIONS[t]}(t,e)?window.CKEDITOR_TRANSLATIONS[t][e].replace(/ \[context: [^\]]+\]$/,""):e.replace(/ \[context: [^\]]+\]$/,"")}(this.language,t);return e&&(n=n.replace(/%(\d+)/g,(t,n)=>n<e.length?e[n]:t)),n}}class gr{constructor(){this._consumables=new Map}add(t,e){let n;t.is("text")||t.is("documentFragment")?this._consumables.set(t,!0):(this._consumables.has(t)?n=this._consumables.get(t):(n=new br,this._consumables.set(t,n)),n.add(e))}test(t,e){const n=this._consumables.get(t);return void 0===n?null:t.is("text")||t.is("documentFragment")?n:n.test(e)}consume(t,e){return!!this.test(t,e)&&(t.is("text")||t.is("documentFragment")?this._consumables.set(t,!1):this._consumables.get(t).consume(e),!0)}revert(t,e){const n=this._consumables.get(t);void 0!==n&&(t.is("text")||t.is("documentFragment")?this._consumables.set(t,!0):n.revert(e))}static consumablesFromElement(t){const e={name:!0,attributes:[],classes:[],styles:[]},n=t.getAttributeKeys();for(const t of n)"style"!=t&&"class"!=t&&e.attributes.push(t);const o=t.getClassNames();for(const t of o)e.classes.push(t);const i=t.getStyleNames();for(const t of i)e.styles.push(t);return e}static createFrom(t,e){if(e||(e=new gr),t.is("text"))return e.add(t),e;t.is("element")&&e.add(t,gr.consumablesFromElement(t)),t.is("documentFragment")&&e.add(t);for(const n of t.getChildren())e=gr.createFrom(n,e);return e}}class br{constructor(){this._canConsumeName=null,this._consumables={attributes:new Map,styles:new Map,classes:new Map}}add(t){t.name&&(this._canConsumeName=!0);for(const e in this._consumables)e in t&&this._add(e,t[e])}test(t){if(t.name&&!this._canConsumeName)return this._canConsumeName;for(const e in this._consumables)if(e in t){const n=this._test(e,t[e]);if(!0!==n)return n}return!0}consume(t){t.name&&(this._canConsumeName=!1);for(const e in this._consumables)e in t&&this._consume(e,t[e])}revert(t){t.name&&(this._canConsumeName=!0);for(const e in this._consumables)e in t&&this._revert(e,t[e])}_add(t,e){const n=at(e)?e:[e],o=this._consumables[t];for(const e of n){if("attributes"===t&&("class"===e||"style"===e))throw new be.b("viewconsumable-invalid-attribute: Classes and styles should be handled separately.");o.set(e,!0)}}_test(t,e){const n=at(e)?e:[e],o=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e){const t=o.get(e);if(void 0===t)return null;if(!t)return!1}else{const t="class"==e?"classes":"styles",n=this._test(t,[...this._consumables[t].keys()]);if(!0!==n)return n}return!0}_consume(t,e){const n=at(e)?e:[e],o=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e)o.set(e,!1);else{const t="class"==e?"classes":"styles";this._consume(t,[...this._consumables[t].keys()])}}_revert(t,e){const n=at(e)?e:[e],o=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e)!1===o.get(e)&&o.set(e,!0);else{const t="class"==e?"classes":"styles";this._revert(t,[...this._consumables[t].keys()])}}}class wr{constructor(){this._sourceDefinitions={},this._attributeProperties={},this.decorate("checkChild"),this.decorate("checkAttribute"),this.on("checkAttribute",(t,e)=>{e[0]=new _r(e[0])},{priority:"highest"}),this.on("checkChild",(t,e)=>{e[0]=new _r(e[0]),e[1]=this.getDefinition(e[1])},{priority:"highest"})}register(t,e){if(this._sourceDefinitions[t])throw new be.b("schema-cannot-register-item-twice: A single item cannot be registered twice in the schema.",{itemName:t});this._sourceDefinitions[t]=[Object.assign({},e)],this._clearCache()}extend(t,e){if(!this._sourceDefinitions[t])throw new be.b("schema-cannot-extend-missing-item: Cannot extend an item which was not registered yet.",{itemName:t});this._sourceDefinitions[t].push(Object.assign({},e)),this._clearCache()}getDefinitions(){return this._compiledDefinitions||this._compile(),this._compiledDefinitions}getDefinition(t){let e;return e="string"==typeof t?t:t.is&&(t.is("text")||t.is("textProxy"))?"$text":t.name,this.getDefinitions()[e]}isRegistered(t){return!!this.getDefinition(t)}isBlock(t){const e=this.getDefinition(t);return!(!e||!e.isBlock)}isLimit(t){const e=this.getDefinition(t);return!(!e||!e.isLimit&&!e.isObject)}isObject(t){const e=this.getDefinition(t);return!(!e||!e.isObject)}isInline(t){const e=this.getDefinition(t);return!(!e||!e.isInline)}checkChild(t,e){return!!e&&this._checkContextMatch(e,t)}checkAttribute(t,e){const n=this.getDefinition(t.last);return!!n&&n.allowAttributes.includes(e)}checkMerge(t,e=null){if(t instanceof Li){const e=t.nodeBefore,n=t.nodeAfter;if(!(e instanceof Ni))throw new be.b("schema-check-merge-no-element-before: The node before the merge position must be an element.");if(!(n instanceof Ni))throw new be.b("schema-check-merge-no-element-after: The node after the merge position must be an element.");return this.checkMerge(e,n)}for(const n of e.getChildren())if(!this.checkChild(t,n))return!1;return!0}addChildCheck(t){this.on("checkChild",(e,[n,o])=>{if(!o)return;const i=t(n,o);"boolean"==typeof i&&(e.stop(),e.return=i)},{priority:"high"})}addAttributeCheck(t){this.on("checkAttribute",(e,[n,o])=>{const i=t(n,o);"boolean"==typeof i&&(e.stop(),e.return=i)},{priority:"high"})}setAttributeProperties(t,e){this._attributeProperties[t]=Object.assign(this.getAttributeProperties(t),e)}getAttributeProperties(t){return this._attributeProperties[t]||{}}getLimitElement(t){let e;for(e=t instanceof Li?t.parent:(t instanceof Vi?[t]:Array.from(t.getRanges())).reduce((t,e)=>{const n=e.getCommonAncestor();return t?t.getCommonAncestor(n,{includeSelf:!0}):n},null);!this.isLimit(e)&&e.parent;)e=e.parent;return e}checkAttributeInSelection(t,e){if(t.isCollapsed){const n=[...t.getFirstPosition().getAncestors(),new Mi("",t.getAttributes())];return this.checkAttribute(n,e)}{const n=t.getRanges();for(const t of n)for(const n of t)if(this.checkAttribute(n.item,e))return!0}return!1}*getValidRanges(t,e){t=function*(t){for(const e of t)yield*e.getMinimalFlatRanges()}(t);for(const n of t)yield*this._getValidRangesForRange(n,e)}getNearestSelectionRange(t,e="both"){if(this.checkChild(t,"$text"))return new Vi(t);let n,o;"both"!=e&&"backward"!=e||(n=new Ri({startPosition:t,direction:"backward"})),"both"!=e&&"forward"!=e||(o=new Ri({startPosition:t}));for(const t of function*(t,e){let n=!1;for(;!n;){if(n=!0,t){const e=t.next();e.done||(n=!1,yield{walker:t,value:e.value})}if(e){const t=e.next();t.done||(n=!1,yield{walker:e,value:t.value})}}}(n,o)){const e=t.walker==n?"elementEnd":"elementStart",o=t.value;if(o.type==e&&this.isObject(o.item))return Vi._createOn(o.item);if(this.checkChild(o.nextPosition,"$text"))return new Vi(o.nextPosition)}return null}findAllowedParent(t,e){let n=t.parent;for(;n;){if(this.checkChild(n,e))return n;if(this.isLimit(n))return null;n=n.parent}return null}removeDisallowedAttributes(t,e){for(const n of t){for(const t of n.getAttributeKeys())this.checkAttribute(n,t)||e.removeAttribute(t,n);n.is("element")&&this.removeDisallowedAttributes(n.getChildren(),e)}}createContext(t){return new _r(t)}_clearCache(){this._compiledDefinitions=null}_compile(){const t={},e=this._sourceDefinitions,n=Object.keys(e);for(const o of n)t[o]=vr(e[o],o);for(const e of n)kr(t,e);for(const e of n)yr(t,e);for(const e of n)xr(t,e),Ar(t,e);for(const e of n)Tr(t,e),Cr(t,e);this._compiledDefinitions=t}_checkContextMatch(t,e,n=e.length-1){const o=e.getItem(n);if(t.allowIn.includes(o.name)){if(0==n)return!0;{const t=this.getDefinition(o);return this._checkContextMatch(t,e,n-1)}}return!1}*_getValidRangesForRange(t,e){let n=t.start,o=t.start;for(const i of t.getItems({shallow:!0}))i.is("element")&&(yield*this._getValidRangesForRange(Vi._createIn(i),e)),this.checkAttribute(i,e)||(n.isEqual(o)||(yield new Vi(n,o)),n=Li._createAfter(i)),o=Li._createAfter(i);n.isEqual(o)||(yield new Vi(n,o))}}Ie(wr,on);class _r{constructor(t){if(t instanceof _r)return t;"string"==typeof t?t=[t]:Array.isArray(t)||(t=t.getAncestors({includeSelf:!0})),t[0]&&"string"!=typeof t[0]&&t[0].is("documentFragment")&&t.shift(),this._items=t.map(Sr)}get length(){return this._items.length}get last(){return this._items[this._items.length-1]}[Symbol.iterator](){return this._items[Symbol.iterator]()}push(t){const e=new _r([t]);return e._items=[...this._items,...e._items],e}getItem(t){return this._items[t]}*getNames(){yield*this._items.map(t=>t.name)}endsWith(t){return Array.from(this.getNames()).join(" ").endsWith(t)}}function vr(t,e){const n={name:e,allowIn:[],allowContentOf:[],allowWhere:[],allowAttributes:[],allowAttributesOf:[],inheritTypesFrom:[]};return function(t,e){for(const n of t){const t=Object.keys(n).filter(t=>t.startsWith("is"));for(const o of t)e[o]=n[o]}}(t,n),Pr(t,n,"allowIn"),Pr(t,n,"allowContentOf"),Pr(t,n,"allowWhere"),Pr(t,n,"allowAttributes"),Pr(t,n,"allowAttributesOf"),Pr(t,n,"inheritTypesFrom"),function(t,e){for(const n of t){const t=n.inheritAllFrom;t&&(e.allowContentOf.push(t),e.allowWhere.push(t),e.allowAttributesOf.push(t),e.inheritTypesFrom.push(t))}}(t,n),n}function kr(t,e){for(const n of t[e].allowContentOf)t[n]&&Er(t,n).forEach(t=>{t.allowIn.push(e)});delete t[e].allowContentOf}function yr(t,e){for(const n of t[e].allowWhere){const o=t[n];if(o){const n=o.allowIn;t[e].allowIn.push(...n)}}delete t[e].allowWhere}function xr(t,e){for(const n of t[e].allowAttributesOf){const o=t[n];if(o){const n=o.allowAttributes;t[e].allowAttributes.push(...n)}}delete t[e].allowAttributesOf}function Ar(t,e){const n=t[e];for(const e of n.inheritTypesFrom){const o=t[e];if(o){const t=Object.keys(o).filter(t=>t.startsWith("is"));for(const e of t)e in n||(n[e]=o[e])}}delete n.inheritTypesFrom}function Tr(t,e){const n=t[e],o=n.allowIn.filter(e=>t[e]);n.allowIn=Array.from(new Set(o))}function Cr(t,e){const n=t[e];n.allowAttributes=Array.from(new Set(n.allowAttributes))}function Pr(t,e,n){for(const o of t)"string"==typeof o[n]?e[n].push(o[n]):Array.isArray(o[n])&&e[n].push(...o[n])}function Er(t,e){const n=t[e];return function(t){return Object.keys(t).map(e=>t[e])}(t).filter(t=>t.allowIn.includes(n.name))}function Sr(t){return"string"==typeof t?{name:t,*getAttributeKeys(){},getAttribute(){}}:{name:t.is("element")?t.name:"$text",*getAttributeKeys(){yield*t.getAttributeKeys()},getAttribute:e=>t.getAttribute(e)}}class Mr{constructor(t={}){this._splitParts=new Map,this._modelCursor=null,this.conversionApi=Object.assign({},t),this.conversionApi.convertItem=this._convertItem.bind(this),this.conversionApi.convertChildren=this._convertChildren.bind(this),this.conversionApi.splitToAllowedParent=this._splitToAllowedParent.bind(this),this.conversionApi.getSplitParts=this._getSplitParts.bind(this)}convert(t,e,n=["$root"]){this.fire("viewCleanup",t),this._modelCursor=function(t,e){let n;for(const o of new _r(t)){const t={};for(const e of o.getAttributeKeys())t[e]=o.getAttribute(e);const i=e.createElement(o.name,t);n&&e.append(i,n),n=Li._createAt(i,0)}return n}(n,e),this.conversionApi.writer=e,this.conversionApi.consumable=gr.createFrom(t),this.conversionApi.store={};const{modelRange:o}=this._convertItem(t,this._modelCursor),i=e.createDocumentFragment();if(o){this._removeEmptyElements();for(const t of Array.from(this._modelCursor.parent.getChildren()))e.append(t,i);i.markers=function(t,e){const n=new Set,o=new Map,i=Vi._createIn(t).getItems();for(const t of i)"$marker"==t.name&&n.add(t);for(const t of n){const n=t.getAttribute("data-name"),i=e.createPositionBefore(t);o.has(n)?o.get(n).end=i.clone():o.set(n,new Vi(i.clone())),e.remove(t)}return o}(i,e)}return this._modelCursor=null,this._splitParts.clear(),this.conversionApi.writer=null,this.conversionApi.store=null,i}_convertItem(t,e){const n=Object.assign({viewItem:t,modelCursor:e,modelRange:null});if(t.is("element")?this.fire("element:"+t.name,n,this.conversionApi):t.is("text")?this.fire("text",n,this.conversionApi):this.fire("documentFragment",n,this.conversionApi),n.modelRange&&!(n.modelRange instanceof Vi))throw new be.b("view-conversion-dispatcher-incorrect-result: Incorrect conversion result was dropped.");return{modelRange:n.modelRange,modelCursor:n.modelCursor}}_convertChildren(t,e){const n=new Vi(e);let o=e;for(const e of Array.from(t.getChildren())){const t=this._convertItem(e,o);t.modelRange instanceof Vi&&(n.end=t.modelRange.end,o=t.modelCursor)}return{modelRange:n,modelCursor:o}}_splitToAllowedParent(t,e){const n=this.conversionApi.schema.findAllowedParent(e,t);if(!n)return null;if(n===e.parent)return{position:e};if(this._modelCursor.parent.getAncestors().includes(n))return null;const o=this.conversionApi.writer.split(e,n),i=[];for(const t of o.range.getWalker())if("elementEnd"==t.type)i.push(t.item);else{const e=i.pop(),n=t.item;this._registerSplitPair(e,n)}return{position:o.position,cursorParent:o.range.end.parent}}_registerSplitPair(t,e){this._splitParts.has(t)||this._splitParts.set(t,[t]);const n=this._splitParts.get(t);this._splitParts.set(e,n),n.push(e)}_getSplitParts(t){return this._splitParts.has(t)?this._splitParts.get(t):[t]}_removeEmptyElements(){let t=!1;for(const e of this._splitParts.keys())e.isEmpty&&(this.conversionApi.writer.remove(e),this._splitParts.delete(e),t=!0);t&&this._removeEmptyElements()}}Ie(Mr,Ae);class Ir{constructor(t,e){this.model=t,this.processor=e,this.mapper=new zi,this.downcastDispatcher=new Ui({mapper:this.mapper}),this.downcastDispatcher.on("insert:$text",(t,e,n)=>{if(!n.consumable.consume(e.item,"insert"))return;const o=n.writer,i=n.mapper.toViewPosition(e.range.start),r=o.createText(e.item.data);o.insert(i,r)},{priority:"lowest"}),this.upcastDispatcher=new Mr({schema:t.schema}),this.upcastDispatcher.on("text",(t,e,n)=>{if(n.schema.checkChild(e.modelCursor,"$text")&&n.consumable.consume(e.viewItem)){const t=n.writer.createText(e.viewItem.data);n.writer.insert(t,e.modelCursor),e.modelRange=Vi._createFromPositionAndShift(e.modelCursor,t.offsetSize),e.modelCursor=e.modelRange.end}},{priority:"lowest"}),this.upcastDispatcher.on("element",(t,e,n)=>{if(!e.modelRange&&n.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:o}=n.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=o}},{priority:"lowest"}),this.upcastDispatcher.on("documentFragment",(t,e,n)=>{if(!e.modelRange&&n.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:o}=n.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=o}},{priority:"lowest"}),this.decorate("init"),this.on("init",()=>{this.fire("ready")},{priority:"lowest"})}get(t){const{rootName:e="main",trim:n="empty"}=t||{};if(!this._checkIfRootsExists([e]))throw new be.b("datacontroller-get-non-existent-root: Attempting to get data from a non-existing root.");const o=this.model.document.getRoot(e);return"empty"!==n||this.model.hasContent(o,{ignoreWhitespaces:!0})?this.stringify(o):""}stringify(t){const e=this.toView(t);return this.processor.toData(e)}toView(t){this.mapper.clearBindings();const e=Vi._createIn(t),n=new zn,o=new Bn(new yn);if(this.mapper.bindElements(t,n),this.downcastDispatcher.convertInsert(e,o),!t.is("documentFragment")){const e=function(t){const e=[],n=t.root.document;if(!n)return[];const o=Vi._createIn(t);for(const t of n.model.markers){const n=o.getIntersection(t.getRange());n&&e.push([t.name,n])}return e}(t);for(const[t,n]of e)this.downcastDispatcher.convertMarkerAdd(t,n,o)}return n}init(t){if(this.model.document.version)throw new be.b("datacontroller-init-document-not-empty: Trying to set initial data to not empty document.");let e={};if("string"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new be.b("datacontroller-init-non-existent-root: Attempting to init data on a non-existing root.");return this.model.enqueueChange("transparent",t=>{for(const n of Object.keys(e)){const o=this.model.document.getRoot(n);t.insert(this.parse(e[n],o),o,0)}}),Promise.resolve()}set(t){let e={};if("string"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new be.b("datacontroller-set-non-existent-root: Attempting to set data on a non-existing root.");this.model.enqueueChange("transparent",t=>{t.setSelection(null),t.removeSelectionAttribute(this.model.document.selection.getAttributeKeys());for(const n of Object.keys(e)){const o=this.model.document.getRoot(n);t.remove(t.createRangeIn(o)),t.insert(this.parse(e[n],o),o,0)}})}parse(t,e="$root"){const n=this.processor.toView(t);return this.toModel(n,e)}toModel(t,e="$root"){return this.model.change(n=>this.upcastDispatcher.convert(t,n,e))}destroy(){this.stopListening()}_checkIfRootsExists(t){for(const e of t)if(!this.model.document.getRootNames().includes(e))return!1;return!0}}Ie(Ir,on);class Or{constructor(t,e){this._helpers=new Map,this._downcast=Array.isArray(t)?t:[t],this._createConversionHelpers({name:"downcast",dispatchers:this._downcast,isDowncast:!0}),this._upcast=Array.isArray(e)?e:[e],this._createConversionHelpers({name:"upcast",dispatchers:this._upcast,isDowncast:!1})}addAlias(t,e){const n=this._downcast.includes(e);if(!this._upcast.includes(e)&&!n)throw new be.b("conversion-add-alias-dispatcher-not-registered: Trying to register and alias for a dispatcher that nas not been registered.");this._createConversionHelpers({name:t,dispatchers:[e],isDowncast:n})}for(t){if(!this._helpers.has(t))throw new be.b("conversion-for-unknown-group: Trying to add a converter to an unknown dispatchers group.");return this._helpers.get(t)}elementToElement(t){this.for("downcast").elementToElement(t);for(const{model:e,view:n}of Nr(t))this.for("upcast").elementToElement({model:e,view:n,converterPriority:t.converterPriority})}attributeToElement(t){this.for("downcast").attributeToElement(t);for(const{model:e,view:n}of Nr(t))this.for("upcast").elementToAttribute({view:n,model:e,converterPriority:t.converterPriority})}attributeToAttribute(t){this.for("downcast").attributeToAttribute(t);for(const{model:e,view:n}of Nr(t))this.for("upcast").attributeToAttribute({view:n,model:e})}_createConversionHelpers({name:t,dispatchers:e,isDowncast:n}){if(this._helpers.has(t))throw new be.b("conversion-group-exists: Trying to register a group name that has already been registered.");const o=n?new er(e):new ar(e);this._helpers.set(t,o)}}function*Nr(t){if(t.model.values)for(const e of t.model.values)yield*Rr({key:t.model.key,value:e},t.view[e],t.upcastAlso?t.upcastAlso[e]:void 0);else yield*Rr(t.model,t.view,t.upcastAlso)}function*Rr(t,e,n){if(yield{model:t,view:e},n){n=Array.isArray(n)?n:[n];for(const e of n)yield{model:t,view:e}}}class jr{constructor(t="default"){this.operations=[],this.type=t}get baseVersion(){for(const t of this.operations)if(null!==t.baseVersion)return t.baseVersion;return null}addOperation(t){return t.batch=this,this.operations.push(t),t}}class Dr{constructor(t){this.baseVersion=t,this.isDocumentOperation=null!==this.baseVersion,this.batch=null}_validate(){}toJSON(){const t=Object.assign({},this);return t.__className=this.constructor.className,delete t.batch,delete t.isDocumentOperation,t}static get className(){return"Operation"}static fromJSON(t){return new this(t.baseVersion)}}class Lr{constructor(t){this.markers=new Map,this._children=new Oi,t&&this._insertChild(0,t)}[Symbol.iterator](){return this.getChildren()}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}get root(){return this}get parent(){return null}is(t){return"documentFragment"==t}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}getPath(){return[]}getNodeByPath(t){let e=this;for(const n of t)e=e.getChild(e.offsetToIndex(n));return e}offsetToIndex(t){return this._children.offsetToIndex(t)}toJSON(){const t=[];for(const e of this._children)t.push(e.toJSON());return t}static fromJSON(t){const e=[];for(const n of t)n.name?e.push(Ni.fromJSON(n)):e.push(Mi.fromJSON(n));return new Lr(e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=function(t){return"string"==typeof t?[new Mi(t)]:(Ve(t)||(t=[t]),Array.from(t).map(t=>"string"==typeof t?new Mi(t):t instanceof Ii?new Mi(t.data,t.getAttributes()):t))}(e);for(const t of n)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,n)}_removeChildren(t,e=1){const n=this._children._removeNodes(t,e);for(const t of n)t.parent=null;return n}}function Vr(t,e){const n=(e=Fr(e)).reduce((t,e)=>t+e.offsetSize,0),o=t.parent;qr(t);const i=t.index;return o._insertChild(i,e),Ur(o,i+e.length),Ur(o,i),new Vi(t,t.getShiftedBy(n))}function zr(t){if(!t.isFlat)throw new be.b("operation-utils-remove-range-not-flat: Trying to remove a range which starts and ends in different element.");const e=t.start.parent;qr(t.start),qr(t.end);const n=e._removeChildren(t.start.index,t.end.index-t.start.index);return Ur(e,t.start.index),n}function Br(t,e){if(!t.isFlat)throw new be.b("operation-utils-move-range-not-flat: Trying to move a range which starts and ends in different element.");const n=zr(t);return Vr(e=e._getTransformedByDeletion(t.start,t.end.offset-t.start.offset),n)}function Fr(t){const e=[];t instanceof Array||(t=[t]);for(let n=0;n<t.length;n++)if("string"==typeof t[n])e.push(new Mi(t[n]));else if(t[n]instanceof Ii)e.push(new Mi(t[n].data,t[n].getAttributes()));else if(t[n]instanceof Lr||t[n]instanceof Oi)for(const o of t[n])e.push(o);else t[n]instanceof Si&&e.push(t[n]);for(let t=1;t<e.length;t++){const n=e[t],o=e[t-1];n instanceof Mi&&o instanceof Mi&&$r(n,o)&&(e.splice(t-1,2,new Mi(o.data+n.data,o.getAttributes())),t--)}return e}function Ur(t,e){const n=t.getChild(e-1),o=t.getChild(e);if(n&&o&&n.is("text")&&o.is("text")&&$r(n,o)){const i=new Mi(n.data+o.data,n.getAttributes());t._removeChildren(e-1,2),t._insertChild(e-1,i)}}function qr(t){const e=t.textNode,n=t.parent;if(e){const o=t.offset-e.startOffset,i=e.index;n._removeChildren(i,1);const r=new Mi(e.data.substr(0,o),e.getAttributes()),s=new Mi(e.data.substr(o),e.getAttributes());n._insertChild(i,[r,s])}}function $r(t,e){const n=t.getAttributes(),o=e.getAttributes();for(const t of n){if(t[1]!==e.getAttribute(t[0]))return!1;o.next()}return o.next().done}var Hr=function(t,e){return $o(t,e)};class Wr extends Dr{constructor(t,e,n,o,i){super(i),this.range=t.clone(),this.key=e,this.oldValue=void 0===n?null:n,this.newValue=void 0===o?null:o}get type(){return null===this.oldValue?"addAttribute":null===this.newValue?"removeAttribute":"changeAttribute"}clone(){return new Wr(this.range,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new Wr(this.range,this.key,this.newValue,this.oldValue,this.baseVersion+1)}toJSON(){const t=super.toJSON();return t.range=this.range.toJSON(),t}_validate(){if(!this.range.isFlat)throw new be.b("attribute-operation-range-not-flat: The range to change is not flat.");for(const t of this.range.getItems({shallow:!0})){if(null!==this.oldValue&&!Hr(t.getAttribute(this.key),this.oldValue))throw new be.b("attribute-operation-wrong-old-value: Changed node has different attribute value than operation's old attribute value.",{item:t,key:this.key,value:this.oldValue});if(null===this.oldValue&&null!==this.newValue&&t.hasAttribute(this.key))throw new be.b("attribute-operation-attribute-exists: The attribute with given key already exists.",{node:t,key:this.key})}}_execute(){Hr(this.oldValue,this.newValue)||function(t,e,n){qr(t.start),qr(t.end);for(const o of t.getItems({shallow:!0})){const t=o.is("textProxy")?o.textNode:o;null!==n?t._setAttribute(e,n):t._removeAttribute(e),Ur(t.parent,t.index)}Ur(t.end.parent,t.end.index)}(this.range,this.key,this.newValue)}static get className(){return"AttributeOperation"}static fromJSON(t,e){return new Wr(Vi.fromJSON(t.range,e),t.key,t.oldValue,t.newValue,t.baseVersion)}}class Yr extends Dr{constructor(t,e){super(null),this.sourcePosition=t.clone(),this.howMany=e}get type(){return"detach"}toJSON(){const t=super.toJSON();return t.sourcePosition=this.sourcePosition.toJSON(),t}_validate(){if(this.sourcePosition.root.document)throw new be.b("detach-operation-on-document-node: Cannot detach document node.")}_execute(){zr(Vi._createFromPositionAndShift(this.sourcePosition,this.howMany))}static get className(){return"DetachOperation"}}class Gr extends Dr{constructor(t,e,n,o){super(o),this.sourcePosition=t.clone(),this.sourcePosition.stickiness="toNext",this.howMany=e,this.targetPosition=n.clone(),this.targetPosition.stickiness="toNone"}get type(){return"$graveyard"==this.targetPosition.root.rootName?"remove":"$graveyard"==this.sourcePosition.root.rootName?"reinsert":"move"}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.baseVersion)}getMovedRangeStart(){return this.targetPosition._getTransformedByDeletion(this.sourcePosition,this.howMany)}getReversed(){const t=this.sourcePosition._getTransformedByInsertion(this.targetPosition,this.howMany);return new this.constructor(this.getMovedRangeStart(),this.howMany,t,this.baseVersion+1)}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent,n=this.sourcePosition.offset,o=this.targetPosition.offset;if(!t||!e)throw new be.b("move-operation-position-invalid: Source position or target position is invalid.");if(n+this.howMany>t.maxOffset)throw new be.b("move-operation-nodes-do-not-exist: The nodes which should be moved do not exist.");if(t===e&&n<o&&o<n+this.howMany)throw new be.b("move-operation-range-into-itself: Trying to move a range of nodes to the inside of that range.");if(this.sourcePosition.root==this.targetPosition.root&&"prefix"==Oe(this.sourcePosition.getParentPath(),this.targetPosition.getParentPath())){const t=this.sourcePosition.path.length-1;if(this.targetPosition.path[t]>=n&&this.targetPosition.path[t]<n+this.howMany)throw new be.b("move-operation-node-into-itself: Trying to move a range of nodes into one of nodes from that range.")}}_execute(){Br(Vi._createFromPositionAndShift(this.sourcePosition,this.howMany),this.targetPosition)}toJSON(){const t=super.toJSON();return t.sourcePosition=this.sourcePosition.toJSON(),t.targetPosition=this.targetPosition.toJSON(),t}static get className(){return"MoveOperation"}static fromJSON(t,e){const n=Li.fromJSON(t.sourcePosition,e),o=Li.fromJSON(t.targetPosition,e);return new this(n,t.howMany,o,t.baseVersion)}}class Qr extends Dr{constructor(t,e,n){super(n),this.position=t.clone(),this.position.stickiness="toNone",this.nodes=new Oi(Fr(e)),this.shouldReceiveAttributes=!1}get type(){return"insert"}get howMany(){return this.nodes.maxOffset}clone(){const t=new Oi([...this.nodes].map(t=>t._clone(!0))),e=new Qr(this.position,t,this.baseVersion);return e.shouldReceiveAttributes=this.shouldReceiveAttributes,e}getReversed(){const t=this.position.root.document.graveyard,e=new Li(t,[0]);return new Gr(this.position,this.nodes.maxOffset,e,this.baseVersion+1)}_validate(){const t=this.position.parent;if(!t||t.maxOffset<this.position.offset)throw new be.b("insert-operation-position-invalid: Insertion position is invalid.")}_execute(){const t=this.nodes;this.nodes=new Oi([...t].map(t=>t._clone(!0))),Vr(this.position,t)}toJSON(){const t=super.toJSON();return t.position=this.position.toJSON(),t.nodes=this.nodes.toJSON(),t}static get className(){return"InsertOperation"}static fromJSON(t,e){const n=[];for(const e of t.nodes)e.name?n.push(Ni.fromJSON(e)):n.push(Mi.fromJSON(e));const o=new Qr(Li.fromJSON(t.position,e),n,t.baseVersion);return o.shouldReceiveAttributes=t.shouldReceiveAttributes,o}}class Jr extends Dr{constructor(t,e,n,o,i,r){super(r),this.name=t,this.oldRange=e?e.clone():null,this.newRange=n?n.clone():null,this.affectsData=i,this._markers=o}get type(){return"marker"}clone(){return new Jr(this.name,this.oldRange,this.newRange,this._markers,this.affectsData,this.baseVersion)}getReversed(){return new Jr(this.name,this.newRange,this.oldRange,this._markers,this.affectsData,this.baseVersion+1)}_execute(){const t=this.newRange?"_set":"_remove";this._markers[t](this.name,this.newRange,!0,this.affectsData)}toJSON(){const t=super.toJSON();return this.oldRange&&(t.oldRange=this.oldRange.toJSON()),this.newRange&&(t.newRange=this.newRange.toJSON()),delete t._markers,t}static get className(){return"MarkerOperation"}static fromJSON(t,e){return new Jr(t.name,t.oldRange?Vi.fromJSON(t.oldRange,e):null,t.newRange?Vi.fromJSON(t.newRange,e):null,e.model.markers,t.affectsData,t.baseVersion)}}class Kr extends Dr{constructor(t,e,n,o){super(o),this.position=t,this.position.stickiness="toNext",this.oldName=e,this.newName=n}get type(){return"rename"}clone(){return new Kr(this.position.clone(),this.oldName,this.newName,this.baseVersion)}getReversed(){return new Kr(this.position.clone(),this.newName,this.oldName,this.baseVersion+1)}_validate(){const t=this.position.nodeAfter;if(!(t instanceof Ni))throw new be.b("rename-operation-wrong-position: Given position is invalid or node after it is not an instance of Element.");if(t.name!==this.oldName)throw new be.b("rename-operation-wrong-name: Element to change has different name than operation's old name.")}_execute(){this.position.nodeAfter.name=this.newName}toJSON(){const t=super.toJSON();return t.position=this.position.toJSON(),t}static get className(){return"RenameOperation"}static fromJSON(t,e){return new Kr(Li.fromJSON(t.position,e),t.oldName,t.newName,t.baseVersion)}}class Zr extends Dr{constructor(t,e,n,o,i){super(i),this.root=t,this.key=e,this.oldValue=n,this.newValue=o}get type(){return null===this.oldValue?"addRootAttribute":null===this.newValue?"removeRootAttribute":"changeRootAttribute"}clone(){return new Zr(this.root,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new Zr(this.root,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_validate(){if(this.root!=this.root.root||this.root.is("documentFragment"))throw new be.b("rootattribute-operation-not-a-root: The element to change is not a root element.",{root:this.root,key:this.key});if(null!==this.oldValue&&this.root.getAttribute(this.key)!==this.oldValue)throw new be.b("rootattribute-operation-wrong-old-value: Changed node has different attribute value than operation's old attribute value.",{root:this.root,key:this.key});if(null===this.oldValue&&null!==this.newValue&&this.root.hasAttribute(this.key))throw new be.b("rootattribute-operation-attribute-exists: The attribute with given key already exists.",{root:this.root,key:this.key})}_execute(){null!==this.newValue?this.root._setAttribute(this.key,this.newValue):this.root._removeAttribute(this.key)}toJSON(){const t=super.toJSON();return t.root=this.root.toJSON(),t}static get className(){return"RootAttributeOperation"}static fromJSON(t,e){if(!e.getRoot(t.root))throw new be.b("rootattribute-operation-fromjson-no-root: Cannot create RootAttributeOperation. Root with specified name does not exist.",{rootName:t.root});return new Zr(e.getRoot(t.root),t.key,t.oldValue,t.newValue,t.baseVersion)}}class Xr extends Dr{constructor(t,e,n,o,i){super(i),this.sourcePosition=t.clone(),this.sourcePosition.stickiness="toPrevious",this.howMany=e,this.targetPosition=n.clone(),this.targetPosition.stickiness="toNext",this.graveyardPosition=o.clone()}get type(){return"merge"}get deletionPosition(){return new Li(this.sourcePosition.root,this.sourcePosition.path.slice(0,-1))}get movedRange(){const t=this.sourcePosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Vi(this.sourcePosition,t)}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.graveyardPosition,this.baseVersion)}getReversed(){const t=this.targetPosition._getTransformedByMergeOperation(this),e=this.sourcePosition.path.slice(0,-1),n=new Li(this.sourcePosition.root,e)._getTransformedByMergeOperation(this),o=new ts(t,this.howMany,this.graveyardPosition,this.baseVersion+1);return o.insertionPosition=n,o}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent;if(!(t&&t.is("element")&&t.parent))throw new be.b("merge-operation-source-position-invalid: Merge source position is invalid.");if(!(e&&e.is("element")&&e.parent))throw new be.b("merge-operation-target-position-invalid: Merge target position is invalid.");if(this.howMany!=t.maxOffset)throw new be.b("merge-operation-how-many-invalid: Merge operation specifies wrong number of nodes to move.")}_execute(){const t=this.sourcePosition.parent;Br(Vi._createIn(t),this.targetPosition),Br(Vi._createOn(t),this.graveyardPosition)}toJSON(){const t=super.toJSON();return t.sourcePosition=t.sourcePosition.toJSON(),t.targetPosition=t.targetPosition.toJSON(),t.graveyardPosition=t.graveyardPosition.toJSON(),t}static get className(){return"MergeOperation"}static fromJSON(t,e){const n=Li.fromJSON(t.sourcePosition,e),o=Li.fromJSON(t.targetPosition,e),i=Li.fromJSON(t.graveyardPosition,e);return new this(n,t.howMany,o,i,t.baseVersion)}}class ts extends Dr{constructor(t,e,n,o){super(o),this.splitPosition=t.clone(),this.splitPosition.stickiness="toNext",this.howMany=e,this.insertionPosition=ts.getInsertionPosition(t),this.insertionPosition.stickiness="toNone",this.graveyardPosition=n?n.clone():null,this.graveyardPosition&&(this.graveyardPosition.stickiness="toNext")}get type(){return"split"}get moveTargetPosition(){const t=this.insertionPosition.path.slice();return t.push(0),new Li(this.insertionPosition.root,t)}get movedRange(){const t=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new Vi(this.splitPosition,t)}clone(){const t=new this.constructor(this.splitPosition,this.howMany,this.graveyardPosition,this.baseVersion);return t.insertionPosition=this.insertionPosition,t}getReversed(){const t=this.splitPosition.root.document.graveyard,e=new Li(t,[0]);return new Xr(this.moveTargetPosition,this.howMany,this.splitPosition,e,this.baseVersion+1)}_validate(){const t=this.splitPosition.parent,e=this.splitPosition.offset;if(!t||t.maxOffset<e)throw new be.b("split-operation-position-invalid: Split position is invalid.");if(!t.parent)throw new be.b("split-operation-split-in-root: Cannot split root element.");if(this.howMany!=t.maxOffset-this.splitPosition.offset)throw new be.b("split-operation-how-many-invalid: Split operation specifies wrong number of nodes to move.");if(this.graveyardPosition&&!this.graveyardPosition.nodeAfter)throw new be.b("split-operation-graveyard-position-invalid: Graveyard position invalid.")}_execute(){const t=this.splitPosition.parent;if(this.graveyardPosition)Br(Vi._createFromPositionAndShift(this.graveyardPosition,1),this.insertionPosition);else{const e=t._clone();Vr(this.insertionPosition,e)}Br(new Vi(Li._createAt(t,this.splitPosition.offset),Li._createAt(t,t.maxOffset)),this.moveTargetPosition)}toJSON(){const t=super.toJSON();return t.splitPosition=this.splitPosition.toJSON(),t.insertionPosition=this.insertionPosition.toJSON(),this.graveyardPosition&&(t.graveyardPosition=this.graveyardPosition.toJSON()),t}static get className(){return"SplitOperation"}static getInsertionPosition(t){const e=t.path.slice(0,-1);return e[e.length-1]++,new Li(t.root,e)}static fromJSON(t,e){const n=Li.fromJSON(t.splitPosition,e),o=Li.fromJSON(t.insertionPosition,e),i=t.graveyardPosition?Li.fromJSON(t.graveyardPosition,e):null,r=new this(n,t.howMany,i,t.baseVersion);return r.insertionPosition=o,r}}class es extends Ni{constructor(t,e,n="main"){super(e),this._doc=t,this.rootName=n}get document(){return this._doc}is(t,e){return e?"rootElement"==t&&e==this.name||super.is(t,e):"rootElement"==t||super.is(t)}toJSON(){return this.rootName}}class ns{constructor(t,e){this.model=t,this.batch=e}createText(t,e){return new Mi(t,e)}createElement(t,e){return new Ni(t,e)}createDocumentFragment(){return new Lr}insert(t,e,n=0){if(this._assertWriterUsedCorrectly(),t instanceof Mi&&""==t.data)return;const o=Li._createAt(e,n);if(t.parent){if(as(t.root,o.root))return void this.move(Vi._createOn(t),o);if(t.root.document)throw new Error("model-writer-insert-forbidden-move: Cannot move a node from a document to a different tree.");this.remove(t)}const i=o.root.document?o.root.document.version:null,r=new Qr(o,t,i);if(t instanceof Mi&&(r.shouldReceiveAttributes=!0),this.batch.addOperation(r),this.model.applyOperation(r),t instanceof Lr)for(const[e,n]of t.markers){const t=Li._createAt(n.root,0),i=new Vi(n.start._getCombined(t,o),n.end._getCombined(t,o));this.addMarker(e,{range:i,usingOperation:!0,affectsData:!0})}}insertText(t,e,n,o){e instanceof Lr||e instanceof Ni||e instanceof Li?this.insert(this.createText(t),e,n):this.insert(this.createText(t,e),n,o)}insertElement(t,e,n,o){e instanceof Lr||e instanceof Ni||e instanceof Li?this.insert(this.createElement(t),e,n):this.insert(this.createElement(t,e),n,o)}append(t,e){this.insert(t,e,"end")}appendText(t,e,n){e instanceof Lr||e instanceof Ni?this.insert(this.createText(t),e,"end"):this.insert(this.createText(t,e),n,"end")}appendElement(t,e,n){e instanceof Lr||e instanceof Ni?this.insert(this.createElement(t),e,"end"):this.insert(this.createElement(t,e),n,"end")}setAttribute(t,e,n){if(this._assertWriterUsedCorrectly(),n instanceof Vi){const o=n.getMinimalFlatRanges();for(const n of o)os(this,t,e,n)}else is(this,t,e,n)}setAttributes(t,e){for(const[n,o]of Ei(t))this.setAttribute(n,o,e)}removeAttribute(t,e){if(this._assertWriterUsedCorrectly(),e instanceof Vi){const n=e.getMinimalFlatRanges();for(const e of n)os(this,t,null,e)}else is(this,t,null,e)}clearAttributes(t){this._assertWriterUsedCorrectly();const e=t=>{for(const e of t.getAttributeKeys())this.removeAttribute(e,t)};if(t instanceof Vi)for(const n of t.getItems())e(n);else e(t)}move(t,e,n){if(this._assertWriterUsedCorrectly(),!(t instanceof Vi))throw new be.b("writer-move-invalid-range: Invalid range to move.");if(!t.isFlat)throw new be.b("writer-move-range-not-flat: Range to move is not flat.");const o=Li._createAt(e,n);if(o.isEqual(t.start))return;if(this._addOperationForAffectedMarkers("move",t),!as(t.root,o.root))throw new be.b("writer-move-different-document: Range is going to be moved between different documents.");const i=t.root.document?t.root.document.version:null,r=new Gr(t.start,t.end.offset-t.start.offset,o,i);this.batch.addOperation(r),this.model.applyOperation(r)}remove(t){this._assertWriterUsedCorrectly();const e=(t instanceof Vi?t:Vi._createOn(t)).getMinimalFlatRanges().reverse();for(const t of e)this._addOperationForAffectedMarkers("move",t),ss(t.start,t.end.offset-t.start.offset,this.batch,this.model)}merge(t){this._assertWriterUsedCorrectly();const e=t.nodeBefore,n=t.nodeAfter;if(this._addOperationForAffectedMarkers("merge",t),!(e instanceof Ni))throw new be.b("writer-merge-no-element-before: Node before merge position must be an element.");if(!(n instanceof Ni))throw new be.b("writer-merge-no-element-after: Node after merge position must be an element.");t.root.document?this._merge(t):this._mergeDetached(t)}createPositionFromPath(t,e,n){return this.model.createPositionFromPath(t,e,n)}createPositionAt(t,e){return this.model.createPositionAt(t,e)}createPositionAfter(t){return this.model.createPositionAfter(t)}createPositionBefore(t){return this.model.createPositionBefore(t)}createRange(t,e){return this.model.createRange(t,e)}createRangeIn(t){return this.model.createRangeIn(t)}createRangeOn(t){return this.model.createRangeOn(t)}createSelection(t,e,n){return this.model.createSelection(t,e,n)}_mergeDetached(t){const e=t.nodeBefore,n=t.nodeAfter;this.move(Vi._createIn(n),Li._createAt(e,"end")),this.remove(n)}_merge(t){const e=Li._createAt(t.nodeBefore,"end"),n=Li._createAt(t.nodeAfter,0),o=t.root.document.graveyard,i=new Li(o,[0]),r=t.root.document.version,s=new Xr(n,t.nodeAfter.maxOffset,e,i,r);this.batch.addOperation(s),this.model.applyOperation(s)}rename(t,e){if(this._assertWriterUsedCorrectly(),!(t instanceof Ni))throw new be.b("writer-rename-not-element-instance: Trying to rename an object which is not an instance of Element.");const n=t.root.document?t.root.document.version:null,o=new Kr(Li._createBefore(t),t.name,e,n);this.batch.addOperation(o),this.model.applyOperation(o)}split(t,e){this._assertWriterUsedCorrectly();let n,o,i=t.parent;if(!i.parent)throw new be.b("writer-split-element-no-parent: Element with no parent can not be split.");if(e||(e=i.parent),!t.parent.getAncestors({includeSelf:!0}).includes(e))throw new be.b("writer-split-invalid-limit-element: Limit element is not a position ancestor.");do{const e=i.root.document?i.root.document.version:null,r=i.maxOffset-t.offset,s=new ts(t,r,null,e);this.batch.addOperation(s),this.model.applyOperation(s),n||o||(n=i,o=t.parent.nextSibling),i=(t=this.createPositionAfter(t.parent)).parent}while(i!==e);return{position:t,range:new Vi(Li._createAt(n,"end"),Li._createAt(o,0))}}wrap(t,e){if(this._assertWriterUsedCorrectly(),!t.isFlat)throw new be.b("writer-wrap-range-not-flat: Range to wrap is not flat.");const n=e instanceof Ni?e:new Ni(e);if(n.childCount>0)throw new be.b("writer-wrap-element-not-empty: Element to wrap with is not empty.");if(null!==n.parent)throw new be.b("writer-wrap-element-attached: Element to wrap with is already attached to tree model.");this.insert(n,t.start);const o=new Vi(t.start.getShiftedBy(1),t.end.getShiftedBy(1));this.move(o,Li._createAt(n,0))}unwrap(t){if(this._assertWriterUsedCorrectly(),null===t.parent)throw new be.b("writer-unwrap-element-no-parent: Trying to unwrap an element which has no parent.");this.move(Vi._createIn(t),this.createPositionAfter(t)),this.remove(t)}addMarker(t,e){if(this._assertWriterUsedCorrectly(),!e||"boolean"!=typeof e.usingOperation)throw new be.b("writer-addMarker-no-usingOperation: The options.usingOperation parameter is required when adding a new marker.");const n=e.usingOperation,o=e.range,i=void 0!==e.affectsData&&e.affectsData;if(this.model.markers.has(t))throw new be.b("writer-addMarker-marker-exists: Marker with provided name already exists.");if(!o)throw new be.b("writer-addMarker-no-range: Range parameter is required when adding a new marker.");return n?(rs(this,t,null,o,i),this.model.markers.get(t)):this.model.markers._set(t,o,n,i)}updateMarker(t,e){this._assertWriterUsedCorrectly();const n="string"==typeof t?t:t.name,o=this.model.markers.get(n);if(!o)throw new be.b("writer-updateMarker-marker-not-exists: Marker with provided name does not exists.");if(!e)return void this.model.markers._refresh(o);const i="boolean"==typeof e.usingOperation,r="boolean"==typeof e.affectsData,s=r?e.affectsData:o.affectsData;if(!i&&!e.range&&!r)throw new be.b("writer-updateMarker-wrong-options: One of the options is required - provide range, usingOperations or affectsData.");const a=o.getRange(),c=e.range?e.range:a;i&&e.usingOperation!==o.managedUsingOperations?e.usingOperation?rs(this,n,null,c,s):(rs(this,n,a,null,s),this.model.markers._set(n,c,void 0,s)):o.managedUsingOperations?rs(this,n,a,c,s):this.model.markers._set(n,c,void 0,s)}removeMarker(t){this._assertWriterUsedCorrectly();const e="string"==typeof t?t:t.name;if(!this.model.markers.has(e))throw new be.b("writer-removeMarker-no-marker: Trying to remove marker which does not exist.");const n=this.model.markers.get(e);n.managedUsingOperations?rs(this,e,n.getRange(),null,n.affectsData):this.model.markers._remove(e)}setSelection(t,e,n){this._assertWriterUsedCorrectly(),this.model.document.selection._setTo(t,e,n)}setSelectionFocus(t,e){this._assertWriterUsedCorrectly(),this.model.document.selection._setFocus(t,e)}setSelectionAttribute(t,e){if(this._assertWriterUsedCorrectly(),"string"==typeof t)this._setSelectionAttribute(t,e);else for(const[e,n]of Ei(t))this._setSelectionAttribute(e,n)}removeSelectionAttribute(t){if(this._assertWriterUsedCorrectly(),"string"==typeof t)this._removeSelectionAttribute(t);else for(const e of t)this._removeSelectionAttribute(e)}overrideSelectionGravity(){return this.model.document.selection._overrideGravity()}restoreSelectionGravity(t){this.model.document.selection._restoreGravity(t)}_setSelectionAttribute(t,e){const n=this.model.document.selection;if(n.isCollapsed&&n.anchor.parent.isEmpty){const o=Ji._getStoreAttributeKey(t);this.setAttribute(o,e,n.anchor.parent)}n._setAttribute(t,e)}_removeSelectionAttribute(t){const e=this.model.document.selection;if(e.isCollapsed&&e.anchor.parent.isEmpty){const n=Ji._getStoreAttributeKey(t);this.removeAttribute(n,e.anchor.parent)}e._removeAttribute(t)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this)throw new be.b("writer-incorrect-use: Trying to use a writer outside the change() block.")}_addOperationForAffectedMarkers(t,e){for(const n of this.model.markers){if(!n.managedUsingOperations)continue;const o=n.getRange();let i=!1;if("move"==t)i=e.containsPosition(o.start)||e.start.isEqual(o.start)||e.containsPosition(o.end)||e.end.isEqual(o.end);else{const t=e.nodeBefore,n=e.nodeAfter,r=o.start.parent==t&&o.start.isAtEnd,s=o.end.parent==n&&0==o.end.offset,a=o.end.nodeAfter==n,c=o.start.nodeAfter==n;i=r||s||a||c}i&&this.updateMarker(n.name,{range:o})}}}function os(t,e,n,o){const i=t.model,r=i.document;let s,a,c,l=o.start;for(const t of o.getWalker({shallow:!0}))c=t.item.getAttribute(e),s&&a!=c&&(a!=n&&u(),l=s),s=t.nextPosition,a=c;function u(){const o=new Vi(l,s),c=o.root.document?r.version:null,u=new Wr(o,e,a,n,c);t.batch.addOperation(u),i.applyOperation(u)}s instanceof Li&&s!=l&&a!=n&&u()}function is(t,e,n,o){const i=t.model,r=i.document,s=o.getAttribute(e);let a,c;if(s!=n){if(o.root===o){const t=o.document?r.version:null;c=new Zr(o,e,s,n,t)}else{const i=(a=new Vi(Li._createBefore(o),t.createPositionAfter(o))).root.document?r.version:null;c=new Wr(a,e,s,n,i)}t.batch.addOperation(c),i.applyOperation(c)}}function rs(t,e,n,o,i){const r=t.model,s=r.document,a=new Jr(e,n,o,r.markers,i,s.version);t.batch.addOperation(a),r.applyOperation(a)}function ss(t,e,n,o){let i;if(t.root.document){const n=o.document,r=new Li(n.graveyard,[0]);i=new Gr(t,e,r,n.version)}else i=new Yr(t,e);n.addOperation(i),o.applyOperation(i)}function as(t,e){return t===e||t instanceof es&&e instanceof es}class cs{constructor(t){this._markerCollection=t,this._changesInElement=new Map,this._elementSnapshots=new Map,this._changedMarkers=new Map,this._changeCount=0,this._cachedChanges=null,this._cachedChangesWithGraveyard=null}get isEmpty(){return 0==this._changesInElement.size&&0==this._changedMarkers.size}bufferOperation(t){switch(t.type){case"insert":if(this._isInInsertedElement(t.position.parent))return;this._markInsert(t.position.parent,t.position.offset,t.nodes.maxOffset);break;case"addAttribute":case"removeAttribute":case"changeAttribute":for(const e of t.range.getItems())this._isInInsertedElement(e.parent)||this._markAttribute(e);break;case"remove":case"move":case"reinsert":{if(t.sourcePosition.isEqual(t.targetPosition)||t.sourcePosition.getShiftedBy(t.howMany).isEqual(t.targetPosition))return;const e=this._isInInsertedElement(t.sourcePosition.parent),n=this._isInInsertedElement(t.targetPosition.parent);e||this._markRemove(t.sourcePosition.parent,t.sourcePosition.offset,t.howMany),n||this._markInsert(t.targetPosition.parent,t.getMovedRangeStart().offset,t.howMany);break}case"rename":{if(this._isInInsertedElement(t.position.parent))return;this._markRemove(t.position.parent,t.position.offset,1),this._markInsert(t.position.parent,t.position.offset,1);const e=Vi._createFromPositionAndShift(t.position,1);for(const t of this._markerCollection.getMarkersIntersectingRange(e)){const e=t.getRange();this.bufferMarkerChange(t.name,e,e,t.affectsData)}break}case"split":{const e=t.splitPosition.parent;this._isInInsertedElement(e)||this._markRemove(e,t.splitPosition.offset,t.howMany),this._isInInsertedElement(t.insertionPosition.parent)||this._markInsert(t.insertionPosition.parent,t.insertionPosition.offset,1),t.graveyardPosition&&this._markRemove(t.graveyardPosition.parent,t.graveyardPosition.offset,1);break}case"merge":{const e=t.sourcePosition.parent;this._isInInsertedElement(e.parent)||this._markRemove(e.parent,e.startOffset,1);const n=t.graveyardPosition.parent;this._markInsert(n,t.graveyardPosition.offset,1);const o=t.targetPosition.parent;this._isInInsertedElement(o)||this._markInsert(o,t.targetPosition.offset,e.maxOffset);break}}this._cachedChanges=null}bufferMarkerChange(t,e,n,o){const i=this._changedMarkers.get(t);i?(i.newRange=n,i.affectsData=o,null==i.oldRange&&null==i.newRange&&this._changedMarkers.delete(t)):this._changedMarkers.set(t,{oldRange:e,newRange:n,affectsData:o})}getMarkersToRemove(){const t=[];for(const[e,n]of this._changedMarkers)null!=n.oldRange&&t.push({name:e,range:n.oldRange});return t}getMarkersToAdd(){const t=[];for(const[e,n]of this._changedMarkers)null!=n.newRange&&t.push({name:e,range:n.newRange});return t}getChangedMarkers(){return Array.from(this._changedMarkers).map(t=>({name:t[0],data:{oldRange:t[1].oldRange,newRange:t[1].newRange}}))}hasDataChanges(){for(const[,t]of this._changedMarkers)if(t.affectsData)return!0;return this._changesInElement.size>0}getChanges(t={includeChangesInGraveyard:!1}){if(this._cachedChanges)return t.includeChangesInGraveyard?this._cachedChangesWithGraveyard.slice():this._cachedChanges.slice();const e=[];for(const t of this._changesInElement.keys()){const n=this._changesInElement.get(t).sort((t,e)=>t.offset===e.offset?t.type!=e.type?"remove"==t.type?-1:1:0:t.offset<e.offset?-1:1),o=this._elementSnapshots.get(t),i=ls(t.getChildren()),r=us(o.length,n);let s=0,a=0;for(const n of r)if("i"===n)e.push(this._getInsertDiff(t,s,i[s].name)),s++;else if("r"===n)e.push(this._getRemoveDiff(t,s,o[a].name)),a++;else if("a"===n){const n=i[s].attributes,r=o[a].attributes;let c;if("$text"==i[s].name)c=new Vi(Li._createAt(t,s),Li._createAt(t,s+1));else{const e=t.offsetToIndex(s);c=new Vi(Li._createAt(t,s),Li._createAt(t.getChild(e),0))}e.push(...this._getAttributesDiff(c,r,n)),s++,a++}else s++,a++}e.sort((t,e)=>t.position.root!=e.position.root?t.position.root.rootName<e.position.root.rootName?-1:1:t.position.isEqual(e.position)?t.changeCount-e.changeCount:t.position.isBefore(e.position)?-1:1);for(let t=1;t<e.length;t++){const n=e[t-1],o=e[t],i="remove"==n.type&&"remove"==o.type&&"$text"==n.name&&"$text"==o.name&&n.position.isEqual(o.position),r="insert"==n.type&&"insert"==o.type&&"$text"==n.name&&"$text"==o.name&&n.position.parent==o.position.parent&&n.position.offset+n.length==o.position.offset,s="attribute"==n.type&&"attribute"==o.type&&n.position.parent==o.position.parent&&n.range.isFlat&&o.range.isFlat&&n.position.offset+n.length==o.position.offset&&n.attributeKey==o.attributeKey&&n.attributeOldValue==o.attributeOldValue&&n.attributeNewValue==o.attributeNewValue;(i||r||s)&&(e[t-1].length++,s&&(e[t-1].range.end=e[t-1].range.end.getShiftedBy(1)),e.splice(t,1),t--)}for(const t of e)delete t.changeCount,"attribute"==t.type&&(delete t.position,delete t.length);return this._changeCount=0,this._cachedChangesWithGraveyard=e.slice(),this._cachedChanges=e.slice().filter(ds),t.includeChangesInGraveyard?this._cachedChangesWithGraveyard:this._cachedChanges}reset(){this._changesInElement.clear(),this._elementSnapshots.clear(),this._changedMarkers.clear(),this._cachedChanges=null}_markInsert(t,e,n){const o={type:"insert",offset:e,howMany:n,count:this._changeCount++};this._markChange(t,o)}_markRemove(t,e,n){const o={type:"remove",offset:e,howMany:n,count:this._changeCount++};this._markChange(t,o),this._removeAllNestedChanges(t,e,n)}_markAttribute(t){const e={type:"attribute",offset:t.startOffset,howMany:t.offsetSize,count:this._changeCount++};this._markChange(t.parent,e)}_markChange(t,e){this._makeSnapshot(t);const n=this._getChangesForElement(t);this._handleChange(e,n),n.push(e);for(let t=0;t<n.length;t++)n[t].howMany<1&&(n.splice(t,1),t--)}_getChangesForElement(t){let e;return this._changesInElement.has(t)?e=this._changesInElement.get(t):(e=[],this._changesInElement.set(t,e)),e}_makeSnapshot(t){this._elementSnapshots.has(t)||this._elementSnapshots.set(t,ls(t.getChildren()))}_handleChange(t,e){t.nodesToHandle=t.howMany;for(const n of e){const o=t.offset+t.howMany,i=n.offset+n.howMany;if("insert"==t.type&&("insert"==n.type&&(t.offset<=n.offset?n.offset+=t.howMany:t.offset<i&&(n.howMany+=t.nodesToHandle,t.nodesToHandle=0)),"remove"==n.type&&t.offset<n.offset&&(n.offset+=t.howMany),"attribute"==n.type))if(t.offset<=n.offset)n.offset+=t.howMany;else if(t.offset<i){const i=n.howMany;n.howMany=t.offset-n.offset,e.unshift({type:"attribute",offset:o,howMany:i-n.howMany,count:this._changeCount++})}if("remove"==t.type){if("insert"==n.type)if(o<=n.offset)n.offset-=t.howMany;else if(o<=i)if(t.offset<n.offset){const e=o-n.offset;n.offset=t.offset,n.howMany-=e,t.nodesToHandle-=e}else n.howMany-=t.nodesToHandle,t.nodesToHandle=0;else if(t.offset<=n.offset)t.nodesToHandle-=n.howMany,n.howMany=0;else if(t.offset<i){const e=i-t.offset;n.howMany-=e,t.nodesToHandle-=e}if("remove"==n.type&&(o<=n.offset?n.offset-=t.howMany:t.offset<n.offset&&(t.nodesToHandle+=n.howMany,n.howMany=0)),"attribute"==n.type)if(o<=n.offset)n.offset-=t.howMany;else if(t.offset<n.offset){const e=o-n.offset;n.offset=t.offset,n.howMany-=e}else if(t.offset<i)if(o<=i){const o=n.howMany;n.howMany=t.offset-n.offset;const i=o-n.howMany-t.nodesToHandle;e.unshift({type:"attribute",offset:t.offset,howMany:i,count:this._changeCount++})}else n.howMany-=i-t.offset}if("attribute"==t.type){if("insert"==n.type)if(t.offset<n.offset&&o>n.offset){if(o>i){const t={type:"attribute",offset:i,howMany:o-i,count:this._changeCount++};this._handleChange(t,e),e.push(t)}t.nodesToHandle=n.offset-t.offset,t.howMany=t.nodesToHandle}else t.offset>=n.offset&&t.offset<i&&(o>i?(t.nodesToHandle=o-i,t.offset=i):t.nodesToHandle=0);if("remove"==n.type&&t.offset<n.offset&&o>n.offset){const i={type:"attribute",offset:n.offset,howMany:o-n.offset,count:this._changeCount++};this._handleChange(i,e),e.push(i),t.nodesToHandle=n.offset-t.offset,t.howMany=t.nodesToHandle}"attribute"==n.type&&(t.offset>=n.offset&&o<=i?(t.nodesToHandle=0,t.howMany=0,t.offset=0):t.offset<=n.offset&&o>=i&&(n.howMany=0))}}t.howMany=t.nodesToHandle,delete t.nodesToHandle}_getInsertDiff(t,e,n){return{type:"insert",position:Li._createAt(t,e),name:n,length:1,changeCount:this._changeCount++}}_getRemoveDiff(t,e,n){return{type:"remove",position:Li._createAt(t,e),name:n,length:1,changeCount:this._changeCount++}}_getAttributesDiff(t,e,n){const o=[];n=new Map(n);for(const[i,r]of e){const e=n.has(i)?n.get(i):null;e!==r&&o.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:i,attributeOldValue:r,attributeNewValue:e,changeCount:this._changeCount++}),n.delete(i)}for(const[e,i]of n)o.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:e,attributeOldValue:null,attributeNewValue:i,changeCount:this._changeCount++});return o}_isInInsertedElement(t){const e=t.parent;if(!e)return!1;const n=this._changesInElement.get(e),o=t.startOffset;if(n)for(const t of n)if("insert"==t.type&&o>=t.offset&&o<t.offset+t.howMany)return!0;return this._isInInsertedElement(e)}_removeAllNestedChanges(t,e,n){const o=new Vi(Li._createAt(t,e),Li._createAt(t,e+n));for(const t of o.getItems({shallow:!0}))t.is("element")&&(this._elementSnapshots.delete(t),this._changesInElement.delete(t),this._removeAllNestedChanges(t,0,t.maxOffset))}}function ls(t){const e=[];for(const n of t)if(n.is("text"))for(let t=0;t<n.data.length;t++)e.push({name:"$text",attributes:new Map(n.getAttributes())});else e.push({name:n.name,attributes:new Map(n.getAttributes())});return e}function us(t,e){const n=[];let o=0,i=0;for(const t of e)t.offset>o&&(n.push(..."e".repeat(t.offset-o).split("")),i+=t.offset-o),"insert"==t.type?(n.push(..."i".repeat(t.howMany).split("")),o=t.offset+t.howMany):"remove"==t.type?(n.push(..."r".repeat(t.howMany).split("")),o=t.offset,i+=t.howMany):(n.push(..."a".repeat(t.howMany).split("")),o=t.offset+t.howMany,i+=t.howMany);return i<t&&n.push(..."e".repeat(t-i).split("")),n}function ds(t){const e=t.position&&"$graveyard"==t.position.root.rootName,n=t.range&&"$graveyard"==t.range.root.rootName;return!e&&!n}class hs{constructor(){this._operations=[],this._undoPairs=new Map,this._undoneOperations=new Set}addOperation(t){this._operations.includes(t)||this._operations.push(t)}getOperations(t=0,e=Number.POSITIVE_INFINITY){return t<0?[]:this._operations.slice(t,e)}getOperation(t){return this._operations[t]}setOperationAsUndone(t,e){this._undoPairs.set(e,t),this._undoneOperations.add(t)}isUndoingOperation(t){return this._undoPairs.has(t)}isUndoneOperation(t){return this._undoneOperations.has(t)}getUndoneOperation(t){return this._undoPairs.get(t)}}function fs(t,e){return function(t){return!!t&&1==t.length&&/[\ud800-\udbff]/.test(t)}(t.charAt(e-1))&&function(t){return!!t&&1==t.length&&/[\udc00-\udfff]/.test(t)}(t.charAt(e))}function ps(t,e){return function(t){return!!t&&1==t.length&&/[\u0300-\u036f\u1ab0-\u1aff\u1dc0-\u1dff\u20d0-\u20ff\ufe20-\ufe2f]/.test(t)}(t.charAt(e))}const ms="$graveyard";class gs{constructor(t){this.model=t,this.version=0,this.history=new hs(this),this.selection=new Ji(this),this.roots=new kn({idProperty:"rootName"}),this.differ=new cs(t.markers),this._postFixers=new Set,this._hasSelectionChangedFromTheLastChangeBlock=!1,this.createRoot("$root",ms),this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];if(n.isDocumentOperation&&n.baseVersion!==this.version)throw new be.b("model-document-applyOperation-wrong-version: Only operations with matching versions can be applied.",{operation:n})},{priority:"highest"}),this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&this.differ.bufferOperation(n)},{priority:"high"}),this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&(this.version++,this.history.addOperation(n))},{priority:"low"}),this.listenTo(this.selection,"change",()=>{this._hasSelectionChangedFromTheLastChangeBlock=!0}),this.listenTo(t.markers,"update",(t,e,n,o)=>{this.differ.bufferMarkerChange(e.name,n,o,e.affectsData),null===n&&e.on("change",(t,n)=>{this.differ.bufferMarkerChange(e.name,n,e.getRange(),e.affectsData)})})}get graveyard(){return this.getRoot(ms)}createRoot(t="$root",e="main"){if(this.roots.get(e))throw new be.b("model-document-createRoot-name-exists: Root with specified name already exists.",{name:e});const n=new es(this,t,e);return this.roots.add(n),n}destroy(){this.selection.destroy(),this.stopListening()}getRoot(t="main"){return this.roots.get(t)}getRootNames(){return Array.from(this.roots,t=>t.rootName).filter(t=>t!=ms)}registerPostFixer(t){this._postFixers.add(t)}toJSON(){const t=Ne(this);return t.selection="[engine.model.DocumentSelection]",t.model="[engine.model.Model]",t}_handleChangeBlock(t){this._hasDocumentChangedFromTheLastChangeBlock()&&(this._callPostFixers(t),this.selection.refresh(),this.differ.hasDataChanges()?this.fire("change:data",t.batch):this.fire("change",t.batch),this.selection.refresh(),this.differ.reset()),this._hasSelectionChangedFromTheLastChangeBlock=!1}_hasDocumentChangedFromTheLastChangeBlock(){return!this.differ.isEmpty||this._hasSelectionChangedFromTheLastChangeBlock}_getDefaultRoot(){for(const t of this.roots)if(t!==this.graveyard)return t;return this.graveyard}_getDefaultRange(){const t=this._getDefaultRoot(),e=this.model,n=e.schema,o=e.createPositionFromPath(t,[0]);return n.getNearestSelectionRange(o)||e.createRange(o)}_validateSelectionRange(t){return bs(t.start)&&bs(t.end)}_callPostFixers(t){let e=!1;do{for(const n of this._postFixers)if(this.selection.refresh(),e=n(t))break}while(e)}}function bs(t){const e=t.textNode;if(e){const n=e.data,o=t.offset-e.startOffset;return!fs(n,o)&&!ps(n,o)}return!0}Ie(gs,Ae);class ws{constructor(){this._markers=new Map}[Symbol.iterator](){return this._markers.values()}has(t){return this._markers.has(t)}get(t){return this._markers.get(t)||null}_set(t,e,n=!1,o=!1){const i=t instanceof _s?t.name:t,r=this._markers.get(i);if(r){const t=r.getRange();let s=!1;return t.isEqual(e)||(r._attachLiveRange(Gi.fromRange(e)),s=!0),n!=r.managedUsingOperations&&(r._managedUsingOperations=n,s=!0),"boolean"==typeof o&&o!=r.affectsData&&(r._affectsData=o,s=!0),s&&this.fire("update:"+i,r,t,e),r}const s=Gi.fromRange(e),a=new _s(i,s,n,o);return this._markers.set(i,a),this.fire("update:"+i,a,null,e),a}_remove(t){const e=t instanceof _s?t.name:t,n=this._markers.get(e);return!!n&&(this._markers.delete(e),this.fire("update:"+e,n,n.getRange(),null),this._destroyMarker(n),!0)}_refresh(t){const e=t instanceof _s?t.name:t,n=this._markers.get(e);if(!n)throw new be.b("markercollection-refresh-marker-not-exists: Marker with provided name does not exists.");const o=n.getRange();this.fire("update:"+e,n,o,o,n.managedUsingOperations,n.affectsData)}*getMarkersAtPosition(t){for(const e of this)e.getRange().containsPosition(t)&&(yield e)}*getMarkersIntersectingRange(t){for(const e of this)null!==e.getRange().getIntersection(t)&&(yield e)}destroy(){for(const t of this._markers.values())this._destroyMarker(t);this._markers=null,this.stopListening()}*getMarkersGroup(t){for(const e of this._markers.values())e.name.startsWith(t+":")&&(yield e)}_destroyMarker(t){t.stopListening(),t._detachLiveRange()}}Ie(ws,Ae);class _s{constructor(t,e,n,o){this.name=t,this._liveRange=this._attachLiveRange(e),this._managedUsingOperations=n,this._affectsData=o}get managedUsingOperations(){if(!this._liveRange)throw new be.b("marker-destroyed: Cannot use a destroyed marker instance.");return this._managedUsingOperations}get affectsData(){if(!this._liveRange)throw new be.b("marker-destroyed: Cannot use a destroyed marker instance.");return this._affectsData}getStart(){if(!this._liveRange)throw new be.b("marker-destroyed: Cannot use a destroyed marker instance.");return this._liveRange.start.clone()}getEnd(){if(!this._liveRange)throw new be.b("marker-destroyed: Cannot use a destroyed marker instance.");return this._liveRange.end.clone()}getRange(){if(!this._liveRange)throw new be.b("marker-destroyed: Cannot use a destroyed marker instance.");return this._liveRange.toRange()}_attachLiveRange(t){return this._liveRange&&this._detachLiveRange(),t.delegate("change:range").to(this),t.delegate("change:content").to(this),this._liveRange=t,t}_detachLiveRange(){this._liveRange.stopDelegating("change:range",this),this._liveRange.stopDelegating("change:content",this),this._liveRange.detach(),this._liveRange=null}}Ie(_s,Ae);class vs extends Li{constructor(t,e,n="toNone"){if(super(t,e,n),!this.root.is("rootElement"))throw new be.b("model-liveposition-root-not-rootelement: LivePosition's root has to be an instance of RootElement.");(function(){this.listenTo(this.root.document.model,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&function(t){const e=this.getTransformedByOperation(t);if(!this.isEqual(e)){const t=this.toPosition();this.path=e.path,this.root=e.root,this.fire("change",t)}}.call(this,n)},{priority:"low"})}).call(this)}detach(){this.stopListening()}toPosition(){return new Li(this.root,this.path.slice(),this.stickiness)}static fromPosition(t,e){return new this(t.root,t.path.slice(),e||t.stickiness)}}Ie(vs,Ae);class ks{constructor(t,e,n){this.model=t,this.writer=e,this.position=n,this.canMergeWith=new Set([this.position.parent]),this.schema=t.schema,this._filterAttributesOf=[],this._affectedStart=null,this._affectedEnd=null}handleNodes(t,e){t=Array.from(t);for(let n=0;n<t.length;n++){const o=t[n];this._handleNode(o,{isFirst:0===n&&e.isFirst,isLast:n===t.length-1&&e.isLast})}this.schema.removeDisallowedAttributes(this._filterAttributesOf,this.writer),this._filterAttributesOf=[]}getSelectionRange(){return this.nodeToSelect?Vi._createOn(this.nodeToSelect):this.model.schema.getNearestSelectionRange(this.position)}getAffectedRange(){return this._affectedStart?new Vi(this._affectedStart,this._affectedEnd):null}destroy(){this._affectedStart&&this._affectedStart.detach(),this._affectedEnd&&this._affectedEnd.detach()}_handleNode(t,e){this.schema.isObject(t)?this._handleObject(t,e):this._checkAndSplitToAllowedPosition(t,e)?(this._insert(t),this._mergeSiblingsOf(t,e)):this._handleDisallowedNode(t,e)}_handleObject(t,e){this._checkAndSplitToAllowedPosition(t)?this._insert(t):this._tryAutoparagraphing(t,e)}_handleDisallowedNode(t,e){t.is("element")?this.handleNodes(t.getChildren(),e):this._tryAutoparagraphing(t,e)}_insert(t){if(!this.schema.checkChild(this.position,t))return void ai.a.error("insertcontent-wrong-position: The node cannot be inserted on the given position.",{node:t,position:this.position});const e=vs.fromPosition(this.position,"toNext");this._setAffectedBoundaries(this.position),this.writer.insert(t,this.position),this.position=e.toPosition(),e.detach(),this.schema.isObject(t)&&!this.schema.checkChild(this.position,"$text")?this.nodeToSelect=t:this.nodeToSelect=null,this._filterAttributesOf.push(t)}_setAffectedBoundaries(t){this._affectedStart||(this._affectedStart=vs.fromPosition(t,"toPrevious")),this._affectedEnd&&!this._affectedEnd.isBefore(t)||(this._affectedEnd&&this._affectedEnd.detach(),this._affectedEnd=vs.fromPosition(t,"toNext"))}_mergeSiblingsOf(t,e){if(!(t instanceof Ni))return;const n=this._canMergeLeft(t,e),o=this._canMergeRight(t,e),i=vs._createBefore(t);i.stickiness="toNext";const r=vs._createAfter(t);if(r.stickiness="toNext",n){const t=vs.fromPosition(this.position);t.stickiness="toNext",this._affectedStart.isEqual(i)&&(this._affectedStart.detach(),this._affectedStart=vs._createAt(i.nodeBefore,"end","toPrevious")),this.writer.merge(i),i.isEqual(this._affectedEnd)&&e.isLast&&(this._affectedEnd.detach(),this._affectedEnd=vs._createAt(i.nodeBefore,"end","toNext")),this.position=t.toPosition(),t.detach()}if(o){this.position.isEqual(r)||ai.a.error("insertcontent-wrong-position-on-merge: The insertion position should equal the merge position"),this.position=Li._createAt(r.nodeBefore,"end");const t=vs.fromPosition(this.position,"toPrevious");this._affectedEnd.isEqual(r)&&(this._affectedEnd.detach(),this._affectedEnd=vs._createAt(r.nodeBefore,"end","toNext")),this.writer.merge(r),r.getShiftedBy(-1).isEqual(this._affectedStart)&&e.isFirst&&(this._affectedStart.detach(),this._affectedStart=vs._createAt(r.nodeBefore,0,"toPrevious")),this.position=t.toPosition(),t.detach()}(n||o)&&this._filterAttributesOf.push(this.position.parent),i.detach(),r.detach()}_canMergeLeft(t,e){const n=t.previousSibling;return e.isFirst&&n instanceof Ni&&this.canMergeWith.has(n)&&this.model.schema.checkMerge(n,t)}_canMergeRight(t,e){const n=t.nextSibling;return e.isLast&&n instanceof Ni&&this.canMergeWith.has(n)&&this.model.schema.checkMerge(t,n)}_tryAutoparagraphing(t,e){const n=this.writer.createElement("paragraph");this._getAllowedIn(n,this.position.parent)&&this.schema.checkChild(n,t)&&(n._appendChild(t),this._handleNode(n,e))}_checkAndSplitToAllowedPosition(t){const e=this._getAllowedIn(t,this.position.parent);if(!e)return!1;for(;e!=this.position.parent;){if(this.schema.isLimit(this.position.parent))return!1;if(this.position.isAtStart){const t=this.position.parent;this.position=this.writer.createPositionBefore(t),t.isEmpty&&this.writer.remove(t)}else if(this.position.isAtEnd)this.position=this.writer.createPositionAfter(this.position.parent);else{const t=this.writer.createPositionAfter(this.position.parent);this._setAffectedBoundaries(this.position),this.writer.split(this.position),this.position=t,this.canMergeWith.add(this.position.nodeAfter)}}return!0}_getAllowedIn(t,e){return this.schema.checkChild(e,t)?e:e.parent?this._getAllowedIn(t,e.parent):null}}function ys(t,e,n){const o=t.createElement("paragraph");t.insert(o,e),xs(t,n,t.createPositionAt(o,0))}function xs(t,e,n){e instanceof Ji?t.setSelection(n):e.setTo(n)}const As=' ,.?!:;"-()';function Ts(t,e){if("text"==e.type)return"word"===t.unit?function(t,e){let n=t.position.textNode;if(n){let o=t.position.offset-n.startOffset;for(;!Cs(n.data,o,e)&&!Ps(n,o,e);){t.next();const i=e?t.position.nodeAfter:t.position.nodeBefore;if(i&&i.is("text")){const o=i.data.charAt(e?0:i.data.length-1);As.includes(o)||(t.next(),n=t.position.textNode)}o=t.position.offset-n.startOffset}}return t.position}(t.walker,t.isForward):function(t,e){const n=t.position.textNode;if(n){const o=n.data;let i=t.position.offset-n.startOffset;for(;fs(o,i)||"character"==e&&ps(o,i);)t.next(),i=t.position.offset-n.startOffset}return t.position}(t.walker,t.unit,t.isForward);if(e.type==(t.isForward?"elementStart":"elementEnd")){if(t.schema.isObject(e.item))return Li._createAt(e.item,t.isForward?"after":"before");if(t.schema.checkChild(e.nextPosition,"$text"))return e.nextPosition}else{if(t.schema.isLimit(e.item))return void t.walker.skip(()=>!0);if(t.schema.checkChild(e.nextPosition,"$text"))return e.nextPosition}}function Cs(t,e,n){const o=e+(n?0:-1);return As.includes(t.charAt(o))}function Ps(t,e,n){return e===(n?t.endOffset:0)}function Es(t,e){const n=[];Array.from(t.getItems({direction:"backward"})).map(t=>e.createRangeOn(t)).filter(e=>(e.start.isAfter(t.start)||e.start.isEqual(t.start))&&(e.end.isBefore(t.end)||e.end.isEqual(t.end))).forEach(t=>{n.push(t.start.parent),e.remove(t)}),n.forEach(t=>{let n=t;for(;n.parent&&n.isEmpty;){const t=e.createRangeOn(n);n=n.parent,e.remove(t)}})}function Ss(t,e){return t.isCollapsed?function(t,e){const n=t.start,o=e.getNearestSelectionRange(n);if(!o)return null;const i=o.start;return n.isEqual(i)?null:i.nodeAfter&&e.isLimit(i.nodeAfter)?new Vi(i,Li._createAfter(i.nodeAfter)):new Vi(i)}(t,e):function(t,e){const n=t.start,o=t.end,i=e.checkChild(n,"$text"),r=e.checkChild(o,"$text"),s=e.getLimitElement(n),a=e.getLimitElement(o);if(s===a){if(i&&r)return null;if(function(t,e,n){const o=t.nodeAfter&&!n.isLimit(t.nodeAfter)||n.checkChild(t,"$text"),i=e.nodeBefore&&!n.isLimit(e.nodeBefore)||n.checkChild(e,"$text");return o||i}(n,o,e)){const t=n.nodeAfter&&e.isObject(n.nodeAfter)?null:e.getNearestSelectionRange(n,"forward"),i=o.nodeBefore&&e.isObject(o.nodeBefore)?null:e.getNearestSelectionRange(o,"backward"),r=t?t.start:n,s=i?i.start:o;return new Vi(r,s)}}const c=s&&!s.is("rootElement"),l=a&&!a.is("rootElement");if(c||l){const t=n.nodeAfter&&o.nodeBefore&&n.nodeAfter.parent===o.nodeBefore.parent,i=c&&(!t||!Is(n.nodeAfter,e)),r=l&&(!t||!Is(o.nodeBefore,e));let u=n,d=o;return i&&(u=Li._createBefore(Ms(s,e))),r&&(d=Li._createAfter(Ms(a,e))),new Vi(u,d)}return null}(t,e)}function Ms(t,e){let n=t,o=n;for(;e.isLimit(o)&&o.parent;)n=o,o=o.parent;return n}function Is(t,e){return t&&e.isObject(t)}class Os{constructor(){var t;this.markers=new ws,this.document=new gs(this),this.schema=new wr,this._pendingChanges=[],this._currentWriter=null,["insertContent","deleteContent","modifySelection","getSelectedContent","applyOperation"].forEach(t=>this.decorate(t)),this.on("applyOperation",(t,e)=>{e[0]._validate()},{priority:"highest"}),this.schema.register("$root",{isLimit:!0}),this.schema.register("$block",{allowIn:"$root",isBlock:!0}),this.schema.register("$text",{allowIn:"$block",isInline:!0}),this.schema.register("$clipboardHolder",{allowContentOf:"$root",isLimit:!0}),this.schema.extend("$text",{allowIn:"$clipboardHolder"}),this.schema.register("$marker"),this.schema.addChildCheck((t,e)=>{if("$marker"===e.name)return!0}),(t=this).document.registerPostFixer(e=>(function(t,e){const n=e.document.selection,o=e.schema,i=[];let r=!1;for(const t of n.getRanges()){const e=Ss(t,o);e?(i.push(e),r=!0):i.push(t)}if(r){let e=i;if(i.length>1){const t=i[0].start,n=i[i.length-1].end;e=[new Vi(t,n)]}t.setSelection(e,{backward:n.isBackward})}})(e,t))}change(t){return 0===this._pendingChanges.length?(this._pendingChanges.push({batch:new jr,callback:t}),this._runPendingChanges()[0]):t(this._currentWriter)}enqueueChange(t,e){"string"==typeof t?t=new jr(t):"function"==typeof t&&(e=t,t=new jr),this._pendingChanges.push({batch:t,callback:e}),1==this._pendingChanges.length&&this._runPendingChanges()}applyOperation(t){t._execute()}insertContent(t,e,n){return function(t,e,n,o){return t.change(i=>{let r;const s=(r=n?n instanceof $i||n instanceof Ji?n:i.createSelection(n,o):t.document.selection).getFirstPosition();r.isCollapsed||t.deleteContent(r,{doNotAutoparagraph:!0});const a=new ks(t,i,s);let c;c=e.is("documentFragment")?e.getChildren():[e],a.handleNodes(c,{isFirst:!0,isLast:!0});const l=a.getSelectionRange();l?r instanceof Ji?i.setSelection(l):r.setTo(l):ai.a.warn("insertcontent-no-range: Cannot determine a proper selection range after insertion.");const u=a.getAffectedRange()||t.createRange(s);return a.destroy(),u})}(this,t,e,n)}deleteContent(t,e){!function(t,e,n={}){if(e.isCollapsed)return;const o=e.getFirstRange();if("$graveyard"==o.root.rootName)return;const i=t.schema;t.change(t=>{if(!n.doNotResetEntireContent&&function(t,e){const n=t.getLimitElement(e);if(!e.containsEntireContent(n))return!1;const o=e.getFirstRange();return o.start.parent!=o.end.parent&&t.checkChild(n,"paragraph")}(i,e))return void function(t,e){const n=t.model.schema.getLimitElement(e);t.remove(t.createRangeIn(n)),ys(t,t.createPositionAt(n,0),e)}(t,e);const r=o.start,s=vs.fromPosition(o.end,"toNext");if(o.start.isTouching(o.end)||t.remove(o),n.leaveUnmerged||(function t(e,n,o){const i=n.parent,r=o.parent;if(i!=r&&!e.model.schema.isLimit(i)&&!e.model.schema.isLimit(r)&&function(t,e,n){const o=new Vi(t,e);for(const t of o.getWalker())if(n.isLimit(t.item))return!1;return!0}(n,o,e.model.schema)){for(n=e.createPositionAfter(i),(o=e.createPositionBefore(r)).isEqual(n)||e.insert(r,n),e.merge(n);o.parent.isEmpty;){const t=o.parent;o=e.createPositionBefore(t),e.remove(t)}t(e,n,o)}}(t,r,s),i.removeDisallowedAttributes(r.parent.getChildren(),t)),xs(t,e,r),function(t,e){const n=t.checkChild(e,"$text"),o=t.checkChild(e,"paragraph");return!n&&o}(i,r)){const o=i.getNearestSelectionRange(r);n.doNotAutoparagraph&&o?xs(t,e,o):ys(t,r,e)}s.detach()})}(this,t,e)}modifySelection(t,e){!function(t,e,n={}){const o=t.schema,i="backward"!=n.direction,r=n.unit?n.unit:"character",s=e.focus,a=new Ri({boundaries:function(t,e){const n=t.root,o=Li._createAt(n,e?"end":0);return e?new Vi(t,o):new Vi(o,t)}(s,i),singleCharacters:!0,direction:i?"forward":"backward"}),c={walker:a,schema:o,isForward:i,unit:r};let l;for(;l=a.next();){if(l.done)return;const n=Ts(c,l.value);if(n)return void(e instanceof Ji?t.change(t=>{t.setSelectionFocus(n)}):e.setFocus(n))}}(this,t,e)}getSelectedContent(t){return function(t,e){return t.change(t=>{const n=t.createDocumentFragment(),o=e.getFirstRange();if(!o||o.isCollapsed)return n;const i=o.start.root,r=o.start.getCommonPath(o.end),s=i.getNodeByPath(r);let a;const c=(a=o.start.parent==o.end.parent?o:t.createRange(t.createPositionAt(s,o.start.path[r.length]),t.createPositionAt(s,o.end.path[r.length]+1))).end.offset-a.start.offset;for(const e of a.getItems({shallow:!0}))e.is("textProxy")?t.appendText(e.data,e.getAttributes(),n):t.append(e._clone(!0),n);if(a!=o){const e=o._getTransformedByMove(a.start,t.createPositionAt(n,0),c)[0],i=t.createRange(t.createPositionAt(n,0),e.start);Es(t.createRange(e.end,t.createPositionAt(n,"end")),t),Es(i,t)}return n})}(this,t)}hasContent(t,e){const n=t instanceof Ni?Vi._createIn(t):t;if(n.isCollapsed)return!1;for(const t of this.markers.getMarkersIntersectingRange(n))if(t.affectsData)return!0;const{ignoreWhitespaces:o=!1}=e||{};for(const t of n.getItems())if(t.is("textProxy")){if(!o)return!0;if(-1!==t.data.search(/\S/))return!0}else if(this.schema.isObject(t))return!0;return!1}createPositionFromPath(t,e,n){return new Li(t,e,n)}createPositionAt(t,e){return Li._createAt(t,e)}createPositionAfter(t){return Li._createAfter(t)}createPositionBefore(t){return Li._createBefore(t)}createRange(t,e){return new Vi(t,e)}createRangeIn(t){return Vi._createIn(t)}createRangeOn(t){return Vi._createOn(t)}createSelection(t,e,n){return new $i(t,e,n)}createBatch(){return new jr}destroy(){this.document.destroy(),this.stopListening()}_runPendingChanges(){const t=[];for(this.fire("_beforeChanges");this._pendingChanges.length;){const e=this._pendingChanges[0].batch;this._currentWriter=new ns(this,e);const n=this._pendingChanges[0].callback(this._currentWriter);t.push(n),this.document._handleChangeBlock(this._currentWriter),this._pendingChanges.shift(),this._currentWriter=null}return this.fire("_afterChanges"),t}}Ie(Os,on);class Ns{constructor(){this._listener=Object.create(To)}listenTo(t){this._listener.listenTo(t,"keydown",(t,e)=>{this._listener.fire("_keydown:"+Rn(e),e)})}set(t,e,n={}){const o=jn(t),i=n.priority;this._listener.listenTo(this._listener,"_keydown:"+o,(t,n)=>{e(n,()=>{n.preventDefault(),n.stopPropagation(),t.stop()}),t.return=!0},{priority:i})}press(t){return!!this._listener.fire("_keydown:"+Rn(t),t)}destroy(){this._listener.stopListening()}}class Rs extends Ns{constructor(t){super(),this.editor=t}set(t,e,n={}){if("string"==typeof e){const t=e;e=((e,n)=>{this.editor.execute(t),n()})}super.set(t,e,n)}}class js{constructor(t){const e=this.constructor.builtinPlugins;this.config=new me(t,this.constructor.defaultConfig),this.config.define("plugins",e),this.plugins=new fr(this,e),this.commands=new pr,this.locale=new mr(this.config.get("language")),this.t=this.locale.t,this.set("state","initializing"),this.once("ready",()=>this.state="ready",{priority:"high"}),this.once("destroy",()=>this.state="destroyed",{priority:"high"}),this.set("isReadOnly",!1),this.model=new Os,this.data=new Ir(this.model),this.editing=new hr(this.model),this.editing.view.document.bind("isReadOnly").to(this),this.conversion=new Or([this.editing.downcastDispatcher,this.data.downcastDispatcher],this.data.upcastDispatcher),this.conversion.addAlias("dataDowncast",this.data.downcastDispatcher),this.conversion.addAlias("editingDowncast",this.editing.downcastDispatcher),this.keystrokes=new Rs(this),this.keystrokes.listenTo(this.editing.view.document)}initPlugins(){const t=this.config,e=t.get("plugins")||[],n=t.get("removePlugins")||[],o=t.get("extraPlugins")||[];return this.plugins.init(e.concat(o),n)}destroy(){let t=Promise.resolve();return"initializing"==this.state&&(t=new Promise(t=>this.once("ready",t))),t.then(()=>{this.fire("destroy"),this.stopListening(),this.commands.destroy()}).then(()=>this.plugins.destroy()).then(()=>{this.model.destroy(),this.data.destroy(),this.editing.destroy(),this.keystrokes.destroy()})}execute(...t){this.commands.execute(...t)}}Ie(js,on);var Ds={setData(t){this.data.set(t)},getData(t){return this.data.get(t)}},Ls={updateSourceElement(){if(!this.sourceElement)throw new be.b("editor-missing-sourceelement: Cannot update the source element of a detached editor.");var t,e;t=this.sourceElement,e=this.data.get(),t instanceof HTMLTextAreaElement&&(t.value=e),t.innerHTML=e}};class Vs{getHtml(t){const e=document.implementation.createHTMLDocument("").createElement("div");return e.appendChild(t),e.innerHTML}}class zs{constructor(){this._domParser=new DOMParser,this._domConverter=new ko({blockFiller:Zn}),this._htmlWriter=new Vs}toData(t){const e=this._domConverter.viewToDom(t,document);return this._htmlWriter.getHtml(e)}toView(t){const e=this._toDom(t);return this._domConverter.domToView(e)}_toDom(t){const e=this._domParser.parseFromString(t,"text/html"),n=e.createDocumentFragment(),o=e.body.childNodes;for(;o.length>0;)n.appendChild(o[0]);return n}}class Bs{constructor(t){this.editor=t,this._components=new Map}*names(){for(const t of this._components.values())yield t.originalName}add(t,e){if(this.has(t))throw new be.b("componentfactory-item-exists: The item already exists in the component factory.",{name:t});this._components.set(Fs(t),{callback:e,originalName:t})}create(t){if(!this.has(t))throw new be.b("componentfactory-item-missing: The required component is not registered in the factory.",{name:t});return this._components.get(Fs(t)).callback(this.editor.locale)}has(t){return this._components.has(Fs(t))}}function Fs(t){return String(t).toLowerCase()}class Us{constructor(){this.set("isFocused",!1),this.set("focusedElement",null),this._elements=new Set,this._nextEventLoopTimeout=null}add(t){if(this._elements.has(t))throw new be.b("focusTracker-add-element-already-exist");this.listenTo(t,"focus",()=>this._focus(t),{useCapture:!0}),this.listenTo(t,"blur",()=>this._blur(),{useCapture:!0}),this._elements.add(t)}remove(t){t===this.focusedElement&&this._blur(t),this._elements.has(t)&&(this.stopListening(t),this._elements.delete(t))}destroy(){this.stopListening()}_focus(t){clearTimeout(this._nextEventLoopTimeout),this.focusedElement=t,this.isFocused=!0}_blur(){clearTimeout(this._nextEventLoopTimeout),this._nextEventLoopTimeout=setTimeout(()=>{this.focusedElement=null,this.isFocused=!1},0)}}Ie(Us,To),Ie(Us,on);class qs{constructor(t){this.editor=t,this.componentFactory=new Bs(t),this.focusTracker=new Us,this._editableElements=new Map,this.listenTo(t.editing.view.document,"layoutChanged",()=>this.update())}get element(){return null}update(){this.fire("update")}destroy(){this.stopListening(),this.focusTracker.destroy(),this._editableElements=new Map}getEditableElement(t="main"){return this._editableElements.get(t)}getEditableElementsNames(){return this._editableElements.keys()}}Ie(qs,Ae),n(45);const $s=new WeakMap;function Hs(t){const{view:e,element:n,text:o,isDirectHost:i=!0}=t,r=e.document;$s.has(r)||($s.set(r,new Map),r.registerPostFixer(t=>Ws(r,t))),$s.get(r).set(n,{text:o,isDirectHost:i}),e.change(t=>Ws(r,t))}function Ws(t,e){const n=$s.get(t);let o=!1;for(const[t,i]of n)Ys(e,t,i)&&(o=!0);return o}function Ys(t,e,n){const{text:o,isDirectHost:i}=n,r=i?e:function(t){if(1===t.childCount){const e=t.getChild(0);if(e.is("element")&&!e.is("uiElement"))return e}return null}(e);let s=!1;return!!r&&(n.hostElement=r,r.getAttribute("data-placeholder")!==o&&(t.setAttribute("data-placeholder",o,r),s=!0),function(t){const e=t.document;if(!e)return!1;const n=!Array.from(t.getChildren()).some(t=>!t.is("uiElement"));if(!e.isFocused&&n)return!0;const o=e.selection.anchor;return!(!n||!o||o.parent===t)}(r)?function(t,e){return!e.hasClass("ck-placeholder")&&(t.addClass("ck-placeholder",e),!0)}(t,r)&&(s=!0):function(t,e){return!!e.hasClass("ck-placeholder")&&(t.removeClass("ck-placeholder",e),!0)}(t,r)&&(s=!0),s)}class Gs{constructor(){this._replacedElements=[]}replace(t,e){this._replacedElements.push({element:t,newElement:e}),t.style.display="none",e&&t.parentNode.insertBefore(e,t.nextSibling)}restore(){this._replacedElements.forEach(({element:t,newElement:e})=>{t.style.display="",e&&e.remove()}),this._replacedElements=[]}}class Qs extends qs{constructor(t,e){super(t),this.view=e,this._toolbarConfig=function(t){return Array.isArray(t)?{items:t}:t?Object.assign({items:[]},t):{items:[]}}(t.config.get("toolbar")),this._elementReplacer=new Gs}get element(){return this.view.element}init(t){const e=this.editor,n=this.view,o=e.editing.view,i=n.editable,r=o.document.getRoot();i.name=r.rootName,n.render();const s=i.element;this._editableElements.set(i.name,s),this.focusTracker.add(s),n.editable.bind("isFocused").to(this.focusTracker),o.attachDomRoot(s),t&&this._elementReplacer.replace(t,this.element),this._initPlaceholder(),this._initToolbar(),this.fire("ready")}destroy(){const t=this.view,e=this.editor.editing.view;this._elementReplacer.restore(),e.detachDomRoot(t.editable.name),t.destroy(),super.destroy()}_initToolbar(){const t=this.editor,e=this.view,n=t.editing.view;e.stickyPanel.bind("isActive").to(this.focusTracker,"isFocused"),e.stickyPanel.limiterElement=e.element,this._toolbarConfig.viewportTopOffset&&(e.stickyPanel.viewportTopOffset=this._toolbarConfig.viewportTopOffset),e.toolbar.fillFromConfig(this._toolbarConfig.items,this.componentFactory),function({origin:t,originKeystrokeHandler:e,originFocusTracker:n,toolbar:o,beforeFocus:i,afterBlur:r}){n.add(o.element),e.set("Alt+F10",(t,e)=>{n.isFocused&&!o.focusTracker.isFocused&&(i&&i(),o.focus(),e())}),o.keystrokes.set("Esc",(e,n)=>{o.focusTracker.isFocused&&(t.focus(),r&&r(),n())})}({origin:n,originFocusTracker:this.focusTracker,originKeystrokeHandler:t.keystrokes,toolbar:e.toolbar})}_initPlaceholder(){const t=this.editor,e=t.editing.view,n=e.document.getRoot(),o=t.sourceElement,i=t.config.get("placeholder")||o&&"textarea"===o.tagName.toLowerCase()&&o.getAttribute("placeholder");i&&Hs({view:e,element:n,text:i,isDirectHost:!1})}}class Js extends kn{constructor(t){super({idProperty:"viewUid"}),this.on("add",(t,e,n)=>{e.isRendered||e.render(),e.element&&this._parentElement&&this._parentElement.insertBefore(e.element,this._parentElement.children[n])}),this.on("remove",(t,e)=>{e.element&&this._parentElement&&e.element.remove()}),this.locale=t,this._parentElement=null}destroy(){this.map(t=>t.destroy())}setParent(t){this._parentElement=t}delegate(...t){if(!t.length||!function(t){return t.every(t=>"string"==typeof t)}(t))throw new be.b("ui-viewcollection-delegate-wrong-events: All event names must be strings.");return{to:e=>{for(const n of this)for(const o of t)n.delegate(o).to(e);this.on("add",(n,o)=>{for(const n of t)o.delegate(n).to(e)}),this.on("remove",(n,o)=>{for(const n of t)o.stopDelegating(n,e)})}}}}const Ks="http://www.w3.org/1999/xhtml";class Zs{constructor(t){Object.assign(this,aa(sa(t))),this._isRendered=!1,this._revertData=null}render(){const t=this._renderNode({intoFragment:!0});return this._isRendered=!0,t}apply(t){return this._revertData={children:[],bindings:[],attributes:{}},this._renderNode({node:t,isApplying:!0,revertData:this._revertData}),t}revert(t){if(!this._revertData)throw new be.b("ui-template-revert-not-applied: Attempting to revert a template which has not been applied yet.");this._revertTemplateFromNode(t,this._revertData)}*getViews(){yield*function*t(e){if(e.children)for(const n of e.children)ha(n)?yield n:fa(n)&&(yield*t(n))}(this)}static bind(t,e){return{to:(n,o)=>new ta({eventNameOrFunction:n,attribute:n,observable:t,emitter:e,callback:o}),if:(n,o,i)=>new ea({observable:t,emitter:e,attribute:n,valueIfTrue:o,callback:i})}}static extend(t,e){t._isRendered&&ai.a.warn("template-extend-render: Attempting to extend a template which has already been rendered."),function t(e,n){if(n.attributes&&(e.attributes||(e.attributes={}),ua(e.attributes,n.attributes)),n.eventListeners&&(e.eventListeners||(e.eventListeners={}),ua(e.eventListeners,n.eventListeners)),n.text&&e.text.push(...n.text),n.children&&n.children.length){if(e.children.length!=n.children.length)throw new be.b("ui-template-extend-children-mismatch: The number of children in extended definition does not match.");let o=0;for(const i of n.children)t(e.children[o++],i)}}(t,aa(sa(e)))}_renderNode(t){let e;if(e=t.node?this.tag&&this.text:this.tag?this.text:!this.text)throw new be.b('ui-template-wrong-syntax: Node definition must have either "tag" or "text" when rendering a new Node.');return this.text?this._renderText(t):this._renderElement(t)}_renderElement(t){let e=t.node;return e||(e=t.node=document.createElementNS(this.ns||Ks,this.tag)),this._renderAttributes(t),this._renderElementChildren(t),this._setUpListeners(t),e}_renderText(t){let e=t.node;return e?t.revertData.text=e.textContent:e=t.node=document.createTextNode(""),na(this.text)?this._bindToObservable({schema:this.text,updater:function(t){return{set(e){t.textContent=e},remove(){t.textContent=""}}}(e),data:t}):e.textContent=this.text.join(""),e}_renderAttributes(t){let e,n,o,i;if(!this.attributes)return;const r=t.node,s=t.revertData;for(e in this.attributes)if(o=r.getAttribute(e),n=this.attributes[e],s&&(s.attributes[e]=o),i=C(n[0])&&n[0].ns?n[0].ns:null,na(n)){const a=i?n[0].value:n;s&&ma(e)&&a.unshift(o),this._bindToObservable({schema:a,updater:ia(r,e,i),data:t})}else"style"==e&&"string"!=typeof n[0]?this._renderStyleAttribute(n[0],t):(s&&o&&ma(e)&&n.unshift(o),da(n=n.map(t=>t&&t.value||t).reduce((t,e)=>t.concat(e),[]).reduce(la,""))||r.setAttributeNS(i,e,n))}_renderStyleAttribute(t,e){const n=e.node;for(const o in t){const i=t[o];na(i)?this._bindToObservable({schema:[i],updater:ra(n,o),data:e}):n.style[o]=i}}_renderElementChildren(t){const e=t.node,n=t.intoFragment?document.createDocumentFragment():e,o=t.isApplying;let i=0;for(const r of this.children)if(pa(r)){if(!o){r.setParent(e);for(const t of r)n.appendChild(t.element)}}else if(ha(r))o||(r.isRendered||r.render(),n.appendChild(r.element));else if(po(r))n.appendChild(r);else if(o){const e={children:[],bindings:[],attributes:{}};t.revertData.children.push(e),r._renderNode({node:n.childNodes[i++],isApplying:!0,revertData:e})}else n.appendChild(r.render());t.intoFragment&&e.appendChild(n)}_setUpListeners(t){if(this.eventListeners)for(const e in this.eventListeners){const n=this.eventListeners[e].map(n=>{const[o,i]=e.split("@");return n.activateDomEventListener(o,i,t)});t.revertData&&t.revertData.bindings.push(n)}}_bindToObservable({schema:t,updater:e,data:n}){const o=n.revertData;oa(t,e,n);const i=t.filter(t=>!da(t)).filter(t=>t.observable).map(o=>o.activateAttributeListener(t,e,n));o&&o.bindings.push(i)}_revertTemplateFromNode(t,e){for(const t of e.bindings)for(const e of t)e();if(e.text)t.textContent=e.text;else{for(const n in e.attributes){const o=e.attributes[n];null===o?t.removeAttribute(n):t.setAttribute(n,o)}for(let n=0;n<e.children.length;++n)this._revertTemplateFromNode(t.childNodes[n],e.children[n])}}}Ie(Zs,Ae);class Xs{constructor(t){Object.assign(this,t)}getValue(t){const e=this.observable[this.attribute];return this.callback?this.callback(e,t):e}activateAttributeListener(t,e,n){const o=()=>oa(t,e,n);return this.emitter.listenTo(this.observable,"change:"+this.attribute,o),()=>{this.emitter.stopListening(this.observable,"change:"+this.attribute,o)}}}class ta extends Xs{activateDomEventListener(t,e,n){const o=(t,n)=>{e&&!n.target.matches(e)||("function"==typeof this.eventNameOrFunction?this.eventNameOrFunction(n):this.observable.fire(this.eventNameOrFunction,n))};return this.emitter.listenTo(n.node,t,o),()=>{this.emitter.stopListening(n.node,t,o)}}}class ea extends Xs{getValue(t){return!da(super.getValue(t))&&(this.valueIfTrue||!0)}}function na(t){return!!t&&(t.value&&(t=t.value),Array.isArray(t)?t.some(na):t instanceof Xs)}function oa(t,e,{node:n}){let o=function(t,e){return t.map(t=>t instanceof Xs?t.getValue(e):t)}(t,n);da(o=1==t.length&&t[0]instanceof ea?o[0]:o.reduce(la,""))?e.remove():e.set(o)}function ia(t,e,n){return{set(o){t.setAttributeNS(n,e,o)},remove(){t.removeAttributeNS(n,e)}}}function ra(t,e){return{set(n){t.style[e]=n},remove(){t.style[e]=null}}}function sa(t){return fe(t,t=>{if(t&&(t instanceof Xs||fa(t)||ha(t)||pa(t)))return t})}function aa(t){if("string"==typeof t?t=function(t){return{text:[t]}}(t):t.text&&function(t){Array.isArray(t.text)||(t.text=[t.text])}(t),t.on&&(t.eventListeners=function(t){for(const e in t)ca(t,e);return t}(t.on),delete t.on),!t.text){t.attributes&&function(t){for(const e in t)t[e].value&&(t[e].value=[].concat(t[e].value)),ca(t,e)}(t.attributes);const e=[];if(t.children)if(pa(t.children))e.push(t.children);else for(const n of t.children)fa(n)||ha(n)||po(n)?e.push(n):e.push(new Zs(n));t.children=e}return t}function ca(t,e){Array.isArray(t[e])||(t[e]=[t[e]])}function la(t,e){return da(e)?t:da(t)?e:`${t} ${e}`}function ua(t,e){for(const n in e)t[n]?t[n].push(...e[n]):t[n]=e[n]}function da(t){return!t&&0!==t}function ha(t){return t instanceof ga}function fa(t){return t instanceof Zs}function pa(t){return t instanceof Js}function ma(t){return"class"==t||"style"==t}n(48);class ga{constructor(t){this.element=null,this.isRendered=!1,this.locale=t,this.t=t&&t.t,this._viewCollections=new kn,this._unboundChildren=this.createCollection(),this._viewCollections.on("add",(e,n)=>{n.locale=t}),this.decorate("render")}get bindTemplate(){return this._bindTemplate?this._bindTemplate:this._bindTemplate=Zs.bind(this,this)}createCollection(){const t=new Js;return this._viewCollections.add(t),t}registerChild(t){Ve(t)||(t=[t]);for(const e of t)this._unboundChildren.add(e)}deregisterChild(t){Ve(t)||(t=[t]);for(const e of t)this._unboundChildren.remove(e)}setTemplate(t){this.template=new Zs(t)}extendTemplate(t){Zs.extend(this.template,t)}render(){if(this.isRendered)throw new be.b("ui-view-render-already-rendered: This View has already been rendered.");this.template&&(this.element=this.template.render(),this.registerChild(this.template.getViews())),this.isRendered=!0}destroy(){this.stopListening(),this._viewCollections.map(t=>t.destroy()),this.template&&this.template._revertData&&this.template.revert(this.element)}}Ie(ga,To),Ie(ga,on),n(50);class ba extends ga{constructor(t){super(t),this.body=this.createCollection()}render(){super.render(),this._renderBodyCollection()}destroy(){return this._bodyCollectionContainer.remove(),super.destroy()}_renderBodyCollection(){const t=this._bodyCollectionContainer=new Zs({tag:"div",attributes:{class:["ck","ck-reset_all","ck-body","ck-rounded-corners"]},children:this.body}).render();document.body.appendChild(t)}}n(52);class wa extends ga{constructor(t){super(t),this.set("text"),this.set("for");const e=this.bindTemplate;this.setTemplate({tag:"label",attributes:{class:["ck","ck-label"],for:e.to("for")},children:[{text:e.to("text")}]})}}class _a extends ba{constructor(t){super(t);const e=ve();this.top=this.createCollection(),this.main=this.createCollection(),this._voiceLabelView=this._createVoiceLabel(e),this.setTemplate({tag:"div",attributes:{class:["ck","ck-reset","ck-editor","ck-rounded-corners"],role:"application",dir:"ltr",lang:t.language,"aria-labelledby":`ck-editor__aria-label_${e}`},children:[this._voiceLabelView,{tag:"div",attributes:{class:["ck","ck-editor__top","ck-reset_all"],role:"presentation"},children:this.top},{tag:"div",attributes:{class:["ck","ck-editor__main"],role:"presentation"},children:this.main}]})}_createVoiceLabel(t){const e=this.t,n=new wa;return n.text=e("bg"),n.extendTemplate({attributes:{id:`ck-editor__aria-label_${t}`,class:"ck-voice-label"}}),n}}class va extends ga{constructor(t,e,n){super(t),this.setTemplate({tag:"div",attributes:{class:["ck","ck-content","ck-editor__editable","ck-rounded-corners"]}}),this.name=null,this.set("isFocused",!1),this._editableElement=n,this._hasExternalElement=!!this._editableElement,this._editingView=e}render(){super.render(),this._hasExternalElement?this.template.apply(this.element=this._editableElement):this._editableElement=this.element,this.on("change:isFocused",()=>this._updateIsFocusedClasses()),this._updateIsFocusedClasses()}destroy(){this._hasExternalElement&&this.template.revert(this._editableElement),super.destroy()}_updateIsFocusedClasses(){const t=this._editingView;function e(e){t.change(n=>{const o=t.document.getRoot(e.name);n.addClass(e.isFocused?"ck-focused":"ck-blurred",o),n.removeClass(e.isFocused?"ck-blurred":"ck-focused",o)})}t.isRenderingInProgress?function n(o){t.once("change:isRenderingInProgress",(t,i,r)=>{r?n(o):e(o)})}(this):e(this)}}class ka extends va{constructor(t,e,n){super(t,e,n),this.extendTemplate({attributes:{role:"textbox",class:"ck-editor__editable_inline"}})}render(){super.render();const t=this._editingView,e=this.t;t.change(n=>{const o=t.document.getRoot(this.name);n.setAttribute("aria-label",e("bh",[this.name]),o)})}}function ya(t){return e=>e+t}n(54);const xa=ya("px");class Aa extends ga{constructor(t){super(t);const e=this.bindTemplate;this.set("isActive",!1),this.set("isSticky",!1),this.set("limiterElement",null),this.set("limiterBottomOffset",50),this.set("viewportTopOffset",0),this.set("_marginLeft",null),this.set("_isStickyToTheLimiter",!1),this.set("_hasViewportTopOffset",!1),this.content=this.createCollection(),this._contentPanelPlaceholder=new Zs({tag:"div",attributes:{class:["ck","ck-sticky-panel__placeholder"],style:{display:e.to("isSticky",t=>t?"block":"none"),height:e.to("isSticky",t=>t?xa(this._panelRect.height):null)}}}).render(),this._contentPanel=new Zs({tag:"div",attributes:{class:["ck","ck-sticky-panel__content",e.if("isSticky","ck-sticky-panel__content_sticky"),e.if("_isStickyToTheLimiter","ck-sticky-panel__content_sticky_bottom-limit")],style:{width:e.to("isSticky",t=>t?xa(this._contentPanelPlaceholder.getBoundingClientRect().width):null),top:e.to("_hasViewportTopOffset",t=>t?xa(this.viewportTopOffset):null),bottom:e.to("_isStickyToTheLimiter",t=>t?xa(this.limiterBottomOffset):null),marginLeft:e.to("_marginLeft")}},children:this.content}).render(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-sticky-panel"]},children:[this._contentPanelPlaceholder,this._contentPanel]})}render(){super.render(),this._checkIfShouldBeSticky(),this.listenTo(wo.window,"scroll",()=>{this._checkIfShouldBeSticky()}),this.listenTo(this,"change:isActive",()=>{this._checkIfShouldBeSticky()})}_checkIfShouldBeSticky(){const t=this._panelRect=this._contentPanel.getBoundingClientRect();let e;this.limiterElement?(e=this._limiterRect=this.limiterElement.getBoundingClientRect(),this.isSticky=this.isActive&&e.top<this.viewportTopOffset&&this._panelRect.height+this.limiterBottomOffset<e.height):this.isSticky=!1,this.isSticky?(this._isStickyToTheLimiter=e.bottom<t.height+this.limiterBottomOffset+this.viewportTopOffset,this._hasViewportTopOffset=!this._isStickyToTheLimiter&&!!this.viewportTopOffset,this._marginLeft=this._isStickyToTheLimiter?null:xa(-wo.window.scrollX)):(this._isStickyToTheLimiter=!1,this._hasViewportTopOffset=!1,this._marginLeft=null)}}class Ta{constructor(t){if(Object.assign(this,t),t.actions&&t.keystrokeHandler)for(const e in t.actions){let n=t.actions[e];"string"==typeof n&&(n=[n]);for(const o of n)t.keystrokeHandler.set(o,(t,n)=>{this[e](),n()})}}get first(){return this.focusables.find(Ca)||null}get last(){return this.focusables.filter(Ca).slice(-1)[0]||null}get next(){return this._getFocusableItem(1)}get previous(){return this._getFocusableItem(-1)}get current(){let t=null;return null===this.focusTracker.focusedElement?null:(this.focusables.find((e,n)=>{const o=e.element===this.focusTracker.focusedElement;return o&&(t=n),o}),t)}focusFirst(){this._focus(this.first)}focusLast(){this._focus(this.last)}focusNext(){this._focus(this.next)}focusPrevious(){this._focus(this.previous)}_focus(t){t&&t.focus()}_getFocusableItem(t){const e=this.current,n=this.focusables.length;if(!n)return null;if(null===e)return this[1===t?"first":"last"];let o=(e+n+t)%n;do{const e=this.focusables.get(o);if(Ca(e))return e;o=(o+n+t)%n}while(o!==e);return null}}function Ca(t){return!(!t.focus||"none"==wo.window.getComputedStyle(t.element).display)}class Pa extends ga{constructor(t){super(t),this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__separator"]}})}}n(56);class Ea extends ga{constructor(t){super(t);const e=this.bindTemplate;this.items=this.createCollection(),this.focusTracker=new Us,this.keystrokes=new Ns,this.set("isVertical",!1),this.set("class"),this._focusCycler=new Ta({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:["arrowleft","arrowup"],focusNext:["arrowright","arrowdown"]}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar",e.if("isVertical","ck-toolbar_vertical"),e.to("class")]},children:this.items,on:{mousedown:function(t){return t.bindTemplate.to(e=>{e.target===t.element&&e.preventDefault()})}(this)}})}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.items.on("add",(t,e)=>{this.focusTracker.add(e.element)}),this.items.on("remove",(t,e)=>{this.focusTracker.remove(e.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}fillFromConfig(t,e){t.map(t=>{"|"==t?this.items.add(new Pa):e.has(t)?this.items.add(e.create(t)):ai.a.warn("toolbarview-item-unavailable: The requested toolbar item is unavailable.",{name:t})})}}n(58);class Sa extends _a{constructor(t,e){super(t),this.stickyPanel=new Aa(t),this.toolbar=new Ea(t),this.editable=new ka(t,e)}render(){super.render(),this.stickyPanel.content.add(this.toolbar),this.top.add(this.stickyPanel),this.main.add(this.editable)}}class Ma extends js{constructor(t,e){super(e),pe(t)&&(this.sourceElement=t),this.data.processor=new zs,this.model.document.createRoot(),this.ui=new Qs(this,new Sa(this.locale,this.editing.view)),function(t){if(!P(t.updateSourceElement))throw new be.b("attachtoform-missing-elementapi-interface: Editor passed to attachToForm() must implement ElementApi.");const e=t.sourceElement;if(e&&"textarea"===e.tagName.toLowerCase()&&e.form){let n;const o=e.form,i=()=>t.updateSourceElement();P(o.submit)&&(n=o.submit,o.submit=(()=>{i(),n.apply(o)})),o.addEventListener("submit",i),t.on("destroy",()=>{o.removeEventListener("submit",i),n&&(o.submit=n)})}}(this)}destroy(){return this.sourceElement&&this.updateSourceElement(),this.ui.destroy(),super.destroy()}static create(t,e={}){return new Promise(n=>{const o=new this(t,e);n(o.initPlugins().then(()=>o.ui.init(pe(t)?t:null)).then(()=>{if(!pe(t)&&e.initialData)throw new be.b("editor-create-initial-data: The config.initialData option cannot be used together with initial data passed in Editor.create().");const n=e.initialData||function(t){return pe(t)?function(t){return t instanceof HTMLTextAreaElement?t.value:t.innerHTML}(t):t}(t);return o.data.init(n)}).then(()=>o.fire("ready")).then(()=>o))})}}Ie(Ma,Ds),Ie(Ma,Ls);class Ia{constructor(t){this.editor=t}destroy(){this.stopListening()}}Ie(Ia,on);class Oa{constructor(t){this.files=function(t){const e=t.files?Array.from(t.files):[],n=t.items?Array.from(t.items):[];return e.length?e:n.filter(t=>"file"===t.kind).map(t=>t.getAsFile())}(t),this._native=t}get types(){return this._native.types}getData(t){return this._native.getData(t)}setData(t,e){this._native.setData(t,e)}}class Na extends Go{constructor(t){super(t);const e=this.document;function n(t,n){n.preventDefault();const o=n.dropRange?[n.dropRange]:Array.from(e.selection.getRanges()),i=new _e(e,"clipboardInput");e.fire(i,{dataTransfer:n.dataTransfer,targetRanges:o}),i.stop.called&&n.stopPropagation()}this.domEventType=["paste","copy","cut","drop","dragover"],this.listenTo(e,"paste",n,{priority:"low"}),this.listenTo(e,"drop",n,{priority:"low"})}onDomEvent(t){const e={dataTransfer:new Oa(t.clipboardData?t.clipboardData:t.dataTransfer)};"drop"==t.type&&(e.dropRange=function(t,e){const n=e.target.ownerDocument,o=e.clientX,i=e.clientY;let r;return n.caretRangeFromPoint&&n.caretRangeFromPoint(o,i)?r=n.caretRangeFromPoint(o,i):e.rangeParent&&((r=n.createRange()).setStart(e.rangeParent,e.rangeOffset),r.collapse(!0)),r?t.domConverter.domRangeToView(r):t.document.selection.getFirstRange()}(this.view,t)),this.fire(t.type,t,e)}}const Ra=["figcaption","li"];class ja extends Ia{static get pluginName(){return"Clipboard"}init(){const t=this.editor,e=t.model.document,n=t.editing.view,o=n.document;function i(n,i){const r=i.dataTransfer;i.preventDefault();const s=t.data.toView(t.model.getSelectedContent(e.selection));o.fire("clipboardOutput",{dataTransfer:r,content:s,method:n.name})}this._htmlDataProcessor=new zs,n.addObserver(Na),this.listenTo(o,"clipboardInput",e=>{t.isReadOnly&&e.stop()},{priority:"highest"}),this.listenTo(o,"clipboardInput",(t,e)=>{const o=e.dataTransfer;let i="";o.getData("text/html")?i=o.getData("text/html").replace(/<span(?: class="Apple-converted-space"|)>(\s+)<\/span>/g,(t,e)=>1==e.length?" ":e):o.getData("text/plain")&&(i=function(t){return(t=t.replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/\n\n/g,"</p><p>").replace(/\n/g,"<br>").replace(/^\s/,"&nbsp;").replace(/\s$/,"&nbsp;").replace(/\s\s/g," &nbsp;")).indexOf("</p><p>")>-1&&(t=`<p>${t}</p>`),t}(o.getData("text/plain"))),i=this._htmlDataProcessor.toView(i),this.fire("inputTransformation",{content:i,dataTransfer:o}),n.scrollToTheSelection()},{priority:"low"}),this.listenTo(this,"inputTransformation",(t,e)=>{if(!e.content.isEmpty){const t=this.editor.data,n=this.editor.model,o=t.toModel(e.content,"$clipboardHolder");if(0==o.childCount)return;n.insertContent(o)}},{priority:"low"}),this.listenTo(o,"copy",i,{priority:"low"}),this.listenTo(o,"cut",(e,n)=>{t.isReadOnly?n.preventDefault():i(e,n)},{priority:"low"}),this.listenTo(o,"clipboardOutput",(n,o)=>{o.content.isEmpty||(o.dataTransfer.setData("text/html",this._htmlDataProcessor.toData(o.content)),o.dataTransfer.setData("text/plain",function t(e){let n="";if(e.is("text")||e.is("textProxy"))n=e.data;else if(e.is("img")&&e.hasAttribute("alt"))n=e.getAttribute("alt");else{let o=null;for(const i of e.getChildren()){const e=t(i);o&&(o.is("containerElement")||i.is("containerElement"))&&(Ra.includes(o.name)||Ra.includes(i.name)?n+="\n":n+="\n\n"),n+=e,o=i}}return n}(o.content))),"cut"==o.method&&t.model.deleteContent(e.selection)},{priority:"low"})}}class Da{constructor(t){this.editor=t,this.set("value",void 0),this.set("isEnabled",!1),this._disableStack=new Set,this.decorate("execute"),this.listenTo(this.editor.model.document,"change",()=>{this.refresh()}),this.on("execute",t=>{this.isEnabled||t.stop()},{priority:"high"}),this.listenTo(t,"change:isReadOnly",(t,e,n)=>{n?this.forceDisabled("readOnlyMode"):this.clearForceDisabled("readOnlyMode")})}refresh(){this.isEnabled=!0}forceDisabled(t){this._disableStack.add(t),1==this._disableStack.size&&(this.on("set:isEnabled",La,{priority:"highest"}),this.isEnabled=!1)}clearForceDisabled(t){this._disableStack.delete(t),0==this._disableStack.size&&(this.off("set:isEnabled",La),this.refresh())}execute(){}destroy(){this.stopListening()}}function La(t){t.return=!1,t.stop()}Ie(Da,on);class Va extends Da{execute(){const t=this.editor.model,e=t.document;t.change(n=>{!function(t,e,n,o){const i=n.isCollapsed,r=n.getFirstRange(),s=r.start.parent,a=r.end.parent;if(o.isLimit(s)||o.isLimit(a))i||s!=a||t.deleteContent(n);else if(i)za(e,r.start);else{const o=!(r.start.isAtStart&&r.end.isAtEnd),i=s==a;t.deleteContent(n,{leaveUnmerged:o}),o&&(i?za(e,n.focus):e.setSelection(a,0))}}(this.editor.model,n,e.selection,t.schema),this.fire("afterExecute",{writer:n})})}}function za(t,e){t.split(e),t.setSelection(e.parent.nextSibling,0)}class Ba extends Eo{constructor(t){super(t);const e=this.document;e.on("keydown",(t,n)=>{if(this.isEnabled&&n.keyCode==Nn.enter){let o;e.once("enter",t=>o=t,{priority:"highest"}),e.fire("enter",new Yo(e,n.domEvent,{isSoft:n.shiftKey})),o&&o.stop.called&&t.stop()}})}observe(){}}class Fa extends Ia{static get pluginName(){return"Enter"}init(){const t=this.editor,e=t.editing.view,n=e.document;e.addObserver(Ba),t.commands.add("enter",new Va(t)),this.listenTo(n,"enter",(n,o)=>{o.preventDefault(),o.isSoft||(t.execute("enter"),e.scrollToTheSelection())},{priority:"low"})}}class Ua extends Da{execute(){const t=this.editor.model,e=t.document;t.change(n=>{!function(t,e,n){const o=n.isCollapsed,i=n.getFirstRange(),r=i.start.parent,s=i.end.parent,a=r==s;if(o)qa(e,i.end);else{const o=!(i.start.isAtStart&&i.end.isAtEnd);t.deleteContent(n,{leaveUnmerged:o}),a?qa(e,n.focus):o&&e.setSelection(s,0)}}(t,n,e.selection),this.fire("afterExecute",{writer:n})})}refresh(){const t=this.editor.model,e=t.document;this.isEnabled=function(t,e){if(e.rangeCount>1)return!1;const n=e.anchor;if(!n||!t.checkChild(n,"softBreak"))return!1;const o=e.getFirstRange(),i=o.start.parent,r=o.end.parent;return!$a(i,t)&&!$a(r,t)||i===r}(t.schema,e.selection)}}function qa(t,e){const n=t.createElement("softBreak");t.insert(n,e),t.setSelection(n,"after")}function $a(t,e){return!t.is("rootElement")&&(e.isLimit(t)||$a(t.parent,e))}class Ha extends Ia{static get pluginName(){return"ShiftEnter"}init(){const t=this.editor,e=t.model.schema,n=t.conversion,o=t.editing.view,i=o.document;e.register("softBreak",{allowWhere:"$text",isInline:!0}),n.for("upcast").elementToElement({model:"softBreak",view:"br"}),n.for("downcast").elementToElement({model:"softBreak",view:(t,e)=>e.createEmptyElement("br")}),o.addObserver(Ba),t.commands.add("shiftEnter",new Ua(t)),this.listenTo(i,"enter",(e,n)=>{n.preventDefault(),n.isSoft&&(t.execute("shiftEnter"),o.scrollToTheSelection())},{priority:"low"})}}class Wa{constructor(t,e=20){this.model=t,this.size=0,this.limit=e,this.isLocked=!1,this._changeCallback=((t,e)=>{"transparent"!=e.type&&e!==this._batch&&this._reset(!0)}),this._selectionChangeCallback=(()=>{this._reset()}),this.model.document.on("change",this._changeCallback),this.model.document.selection.on("change:range",this._selectionChangeCallback),this.model.document.selection.on("change:attribute",this._selectionChangeCallback)}get batch(){return this._batch||(this._batch=this.model.createBatch()),this._batch}input(t){this.size+=t,this.size>=this.limit&&this._reset(!0)}lock(){this.isLocked=!0}unlock(){this.isLocked=!1}destroy(){this.model.document.off("change",this._changeCallback),this.model.document.selection.off("change:range",this._selectionChangeCallback),this.model.document.selection.off("change:attribute",this._selectionChangeCallback)}_reset(t){this.isLocked&&!t||(this._batch=null,this.size=0)}}class Ya extends Da{constructor(t,e){super(t),this._buffer=new Wa(t.model,e)}get buffer(){return this._buffer}destroy(){super.destroy(),this._buffer.destroy()}execute(t={}){const e=this.editor.model,n=e.document,o=t.text||"",i=o.length,r=t.range||n.selection.getFirstRange(),s=t.resultRange;e.enqueueChange(this._buffer.batch,t=>{const a=r.isCollapsed;this._buffer.lock(),e.deleteContent(e.createSelection(r)),o&&e.insertContent(t.createText(o,n.selection.getAttributes()),r.start),s?t.setSelection(s):a&&t.setSelection(r.start.getShiftedBy(i)),this._buffer.unlock(),this._buffer.input(i)})}}const Ga=[Rn("arrowUp"),Rn("arrowRight"),Rn("arrowDown"),Rn("arrowLeft"),9,16,17,18,19,20,27,33,34,35,36,45,91,93,144,145,173,174,175,176,177,178,179,255];for(let t=112;t<=135;t++)Ga.push(t);function Qa(t){if(0==t.length)return!1;for(const e of t)if("children"===e.type&&!Ja(e))return!0;return!1}function Ja(t){if(t.newChildren.length-t.oldChildren.length!=1)return;const e=function(t,e){const n=[];let o,i=0;return t.forEach(t=>{"equal"==t?(r(),i++):"insert"==t?(s("insert")?o.values.push(e[i]):(r(),o={type:"insert",index:i,values:[e[i]]}),i++):s("delete")?o.howMany++:(r(),o={type:"delete",index:i,howMany:1})}),r(),n;function r(){o&&(n.push(o),o=null)}function s(t){return o&&o.type==t}}(uo(t.oldChildren,t.newChildren,Ka),t.newChildren);if(e.length>1)return;const n=e[0];return n.values[0]&&n.values[0].is("text")?n:void 0}function Ka(t,e){return t&&t.is("text")&&e&&e.is("text")?t.data===e.data:t===e}class Za{constructor(t){this.editor=t,this.editing=this.editor.editing}handle(t,e){if(Qa(t))this._handleContainerChildrenMutations(t,e);else for(const n of t)this._handleTextMutation(n,e),this._handleTextNodeInsertion(n)}_handleContainerChildrenMutations(t,e){const n=function(t){const e=t.map(t=>t.node).reduce((t,e)=>t.getCommonAncestor(e,{includeSelf:!0}));if(e)return e.getAncestors({includeSelf:!0,parentFirst:!0}).find(t=>t.is("containerElement")||t.is("rootElement"))}(t);if(!n)return;const o=this.editor.editing.view.domConverter.mapViewToDom(n),i=new ko,r=this.editor.data.toModel(i.domToView(o)).getChild(0),s=this.editor.editing.mapper.toModelElement(n);if(!s)return;const a=Array.from(r.getChildren()),c=Array.from(s.getChildren()),l=a[a.length-1],u=c[c.length-1];l&&l.is("softBreak")&&u&&!u.is("softBreak")&&a.pop();const d=this.editor.model.schema;if(!Xa(a,d)||!Xa(c,d))return;const h=a.map(t=>t.is("text")?t.data:"@").join("").replace(/\u00A0/g," "),f=c.map(t=>t.is("text")?t.data:"@").join("").replace(/\u00A0/g," ");if(f===h)return;const p=uo(f,h),{firstChangeAt:m,insertions:g,deletions:b}=tc(p);let w=null;e&&(w=this.editing.mapper.toModelRange(e.getFirstRange()));const _=h.substr(m,g),v=this.editor.model.createRange(this.editor.model.createPositionAt(s,m),this.editor.model.createPositionAt(s,m+b));this.editor.execute("input",{text:_,range:v,resultRange:w})}_handleTextMutation(t,e){if("text"!=t.type)return;const n=t.newText.replace(/\u00A0/g," "),o=t.oldText.replace(/\u00A0/g," ");if(o===n)return;const i=uo(o,n),{firstChangeAt:r,insertions:s,deletions:a}=tc(i);let c=null;e&&(c=this.editing.mapper.toModelRange(e.getFirstRange()));const l=this.editing.view.createPositionAt(t.node,r),u=this.editing.mapper.toModelPosition(l),d=this.editor.model.createRange(u,u.getShiftedBy(a)),h=n.substr(r,s);this.editor.execute("input",{text:h,range:d,resultRange:c})}_handleTextNodeInsertion(t){if("children"!=t.type)return;const e=Ja(t),n=this.editing.view.createPositionAt(t.node,e.index),o=this.editing.mapper.toModelPosition(n),i=e.values[0].data;this.editor.execute("input",{text:i.replace(/\u00A0/g," "),range:this.editor.model.createRange(o)})}}function Xa(t,e){return t.every(t=>e.isInline(t))}function tc(t){let e=null,n=null;for(let o=0;o<t.length;o++)"equal"!=t[o]&&(e=null===e?o:e,n=o);let o=0,i=0;for(let r=e;r<=n;r++)"insert"!=t[r]&&o++,"delete"!=t[r]&&i++;return{insertions:i,deletions:o,firstChangeAt:e}}class ec extends Ia{static get pluginName(){return"Input"}init(){const t=this.editor,e=new Ya(t,t.config.get("typing.undoStep")||20);t.commands.add("input",e),function(t){let e=null;const n=t.model,o=t.editing.view,i=t.commands.get("input");function r(){const t=i.buffer;t.lock(),n.enqueueChange(t.batch,()=>{n.deleteContent(n.document.selection)}),t.unlock()}o.document.on("keydown",(t,s)=>(function(t){const s=n.document,a=o.document.isComposing,c=e&&e.isEqual(s.selection);e=null,i.isEnabled&&(function(t){return!!t.ctrlKey||Ga.includes(t.keyCode)}(t)||s.selection.isCollapsed||a&&229===t.keyCode||!a&&229===t.keyCode&&c||r())})(s),{priority:"lowest"}),o.document.on("compositionstart",function(){const t=n.document,e=1!==t.selection.rangeCount||t.selection.getFirstRange().isFlat;t.selection.isCollapsed||e||r()},{priority:"lowest"}),o.document.on("compositionend",()=>{e=n.createSelection(n.document.selection)},{priority:"lowest"})}(t),function(t){t.editing.view.document.on("mutations",(e,n,o)=>{new Za(t).handle(n,o)})}(t)}}class nc extends Da{constructor(t,e){super(t),this.direction=e,this._buffer=new Wa(t.model,t.config.get("typing.undoStep"))}get buffer(){return this._buffer}execute(t={}){const e=this.editor.model,n=e.document;e.enqueueChange(this._buffer.batch,o=>{this._buffer.lock();const i=o.createSelection(n.selection),r=i.isCollapsed;if(i.isCollapsed&&e.modifySelection(i,{direction:this.direction,unit:t.unit}),this._shouldEntireContentBeReplacedWithParagraph(t.sequence||1))return void this._replaceEntireContentWithParagraph(o);if(i.isCollapsed)return;let s=0;i.getFirstRange().getMinimalFlatRanges().forEach(t=>{s+=wn(t.getWalker({singleCharacters:!0,ignoreElementEnd:!0,shallow:!0}))}),e.deleteContent(i,{doNotResetEntireContent:r}),this._buffer.input(s),o.setSelection(i),this._buffer.unlock()})}_shouldEntireContentBeReplacedWithParagraph(t){if(t>1)return!1;const e=this.editor.model,n=e.document.selection,o=e.schema.getLimitElement(n);if(!n.isCollapsed||!n.containsEntireContent(o))return!1;if(!e.schema.checkChild(o,"paragraph"))return!1;const i=o.getChild(0);return!i||"paragraph"!==i.name}_replaceEntireContentWithParagraph(t){const e=this.editor.model,n=e.document.selection,o=e.schema.getLimitElement(n),i=t.createElement("paragraph");t.remove(t.createRangeIn(o)),t.insert(i,o),t.setSelection(i,0)}}class oc extends Eo{constructor(t){super(t);const e=t.document;let n=0;e.on("keyup",(t,e)=>{e.keyCode!=Nn.delete&&e.keyCode!=Nn.backspace||(n=0)}),e.on("keydown",(t,o)=>{const i={};if(o.keyCode==Nn.delete)i.direction="forward",i.unit="character";else{if(o.keyCode!=Nn.backspace)return;i.direction="backward",i.unit="codePoint"}const r=Mn.isMac?o.altKey:o.ctrlKey;let s;i.unit=r?"word":i.unit,i.sequence=++n,e.once("delete",t=>s=t,{priority:Number.POSITIVE_INFINITY});const a=new Yo(e,o.domEvent,i);e.fire("delete",a),s&&s.stop.called&&t.stop()})}observe(){}}function ic(t){return t.every(t=>t.is("containerElement"))}class rc extends Ia{static get pluginName(){return"Delete"}init(){const t=this.editor,e=t.editing.view,n=e.document;e.addObserver(oc),t.commands.add("forwardDelete",new nc(t,"forward")),t.commands.add("delete",new nc(t,"backward")),this.listenTo(n,"delete",(n,o)=>{t.execute("forward"==o.direction?"forwardDelete":"delete",{unit:o.unit,sequence:o.sequence}),o.preventDefault(),e.scrollToTheSelection()}),function(t){const e=t.model,n=t.editing.view;let o=null,i=e.createSelection(e.document.selection),r=Date.now();e.document.selection.on("change",function(t){const n=e.createSelection(t.source);i.isEqual(n)||(o=i,i=n,r=Date.now())}),n.document.on("mutations",function(n,s){Qa(s)&&function(t){for(const e of t){if("children"!==e.type)continue;const t=e.oldChildren,n=e.newChildren;if(!ic(t))continue;const o=uo(t,n),i=o.some(t=>"delete"===t),r=o.some(t=>"insert"===t);if(i&&!r)return!0}return!1}(s)&&(Date.now()-r<200&&o&&!o.isCollapsed&&i.isCollapsed&&i.getLastPosition().isEqual(o.getLastPosition())&&e.enqueueChange(t=>{t.setSelection(o)}),t.execute("delete"),n.stop())},{priority:"highest"})}(t)}}class sc extends Ia{static get requires(){return[ec,rc]}static get pluginName(){return"Typing"}}class ac extends Dr{get type(){return"noop"}clone(){return new ac(this.baseVersion)}getReversed(){return new ac(this.baseVersion+1)}_execute(){}static get className(){return"NoOperation"}}const cc=new Map;function lc(t,e,n){let o=cc.get(t);o||(o=new Map,cc.set(t,o)),o.set(e,n)}function uc(t){return[t]}function dc(t,e,n={}){const o=function(t,e){const n=cc.get(t);return n&&n.has(e)?n.get(e):uc}(t.constructor,e.constructor);try{return o(t=t.clone(),e,n)}catch(o){throw ai.a.error("Error during operation transformation!",o.message),ai.a.error("Transformed operation",t),ai.a.error("Operation transformed by",e),ai.a.error("context.aIsStrong",n.aIsStrong),ai.a.error("context.aWasUndone",n.aWasUndone),ai.a.error("context.bWasUndone",n.bWasUndone),ai.a.error("context.abRelation",n.abRelation),ai.a.error("context.baRelation",n.baRelation),o}}function hc(t,e,n){if(t=t.slice(),e=e.slice(),0==t.length||0==e.length)return{operationsA:t,operationsB:e};const o=new WeakMap;for(const e of t)o.set(e,0);const i={nextBaseVersionA:t[t.length-1].baseVersion+1,nextBaseVersionB:e[e.length-1].baseVersion+1,originalOperationsACount:t.length,originalOperationsBCount:e.length},r=new fc(n.document,n.useRelations,n.forceWeakRemove);r.setOriginalOperations(t),r.setOriginalOperations(e);let s=0;for(;s<t.length;){const n=t[s],i=o.get(n);if(i==e.length){s++;continue}const a=e[i],c=dc(n,a,r.getContext(n,a,!0)),l=dc(a,n,r.getContext(a,n,!1));r.updateRelation(n,a),r.setOriginalOperations(c,n),r.setOriginalOperations(l,a);for(const t of c)o.set(t,i+l.length);t.splice(s,1,...c),e.splice(i,1,...l)}if(n.padWithNoOps){const n=t.length-i.originalOperationsACount,o=e.length-i.originalOperationsBCount;mc(t,o-n),mc(e,n-o)}return pc(t,i.nextBaseVersionB),pc(e,i.nextBaseVersionA),{operationsA:t,operationsB:e}}class fc{constructor(t,e,n=!1){this._history=t.history,this._useRelations=e,this._forceWeakRemove=!!n,this._originalOperations=new Map,this._relations=new Map}setOriginalOperations(t,e=null){const n=e?this._originalOperations.get(e):null;for(const e of t)this._originalOperations.set(e,n||e)}updateRelation(t,e){switch(t.constructor){case Gr:switch(e.constructor){case Xr:t.targetPosition.isEqual(e.sourcePosition)||e.movedRange.containsPosition(t.targetPosition)?this._setRelation(t,e,"insertAtSource"):t.targetPosition.isEqual(e.deletionPosition)?this._setRelation(t,e,"insertBetween"):t.targetPosition.isAfter(e.sourcePosition)&&this._setRelation(t,e,"moveTargetAfter");break;case Gr:t.targetPosition.isEqual(e.sourcePosition)||t.targetPosition.isBefore(e.sourcePosition)?this._setRelation(t,e,"insertBefore"):this._setRelation(t,e,"insertAfter")}break;case ts:switch(e.constructor){case Xr:t.splitPosition.isBefore(e.sourcePosition)&&this._setRelation(t,e,"splitBefore");break;case Gr:(t.splitPosition.isEqual(e.sourcePosition)||t.splitPosition.isBefore(e.sourcePosition))&&this._setRelation(t,e,"splitBefore")}break;case Xr:switch(e.constructor){case Xr:t.targetPosition.isEqual(e.sourcePosition)||this._setRelation(t,e,"mergeTargetNotMoved"),t.sourcePosition.isEqual(e.targetPosition)&&this._setRelation(t,e,"mergeSourceNotMoved"),t.sourcePosition.isEqual(e.sourcePosition)&&this._setRelation(t,e,"mergeSameElement");break;case ts:t.sourcePosition.isEqual(e.splitPosition)&&this._setRelation(t,e,"splitAtSource")}break;case Jr:{const n=t.newRange;if(!n)return;switch(e.constructor){case Gr:{const o=Vi._createFromPositionAndShift(e.sourcePosition,e.howMany),i=o.containsPosition(n.start)||o.start.isEqual(n.start),r=o.containsPosition(n.end)||o.end.isEqual(n.end);!i&&!r||o.containsRange(n)||this._setRelation(t,e,{side:i?"left":"right",path:i?n.start.path.slice():n.end.path.slice()});break}case Xr:{const o=n.start.isEqual(e.targetPosition),i=n.start.isEqual(e.deletionPosition),r=n.end.isEqual(e.deletionPosition),s=n.end.isEqual(e.sourcePosition);(o||i||r||s)&&this._setRelation(t,e,{wasInLeftElement:o,wasStartBeforeMergedElement:i,wasEndBeforeMergedElement:r,wasInRightElement:s});break}}break}}}getContext(t,e,n){return{aIsStrong:n,aWasUndone:this._wasUndone(t),bWasUndone:this._wasUndone(e),abRelation:this._useRelations?this._getRelation(t,e):null,baRelation:this._useRelations?this._getRelation(e,t):null,forceWeakRemove:this._forceWeakRemove}}_wasUndone(t){const e=this._originalOperations.get(t);return e.wasUndone||this._history.isUndoneOperation(e)}_getRelation(t,e){const n=this._originalOperations.get(e),o=this._history.getUndoneOperation(n);if(!o)return null;const i=this._originalOperations.get(t),r=this._relations.get(i);return r&&r.get(o)||null}_setRelation(t,e,n){const o=this._originalOperations.get(t),i=this._originalOperations.get(e);let r=this._relations.get(o);r||(r=new Map,this._relations.set(o,r)),r.set(i,n)}}function pc(t,e){for(const n of t)n.baseVersion=e++}function mc(t,e){for(let n=0;n<e;n++)t.push(new ac(0))}function gc(t,e,n){const o=t.nodes.getNode(0).getAttribute(e);if(o==n)return null;const i=new Vi(t.position,t.position.getShiftedBy(t.howMany));return new Wr(i,e,o,n,0)}function bc(t,e){return null===t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany)}function wc(t,e){const n=[];for(let o=0;o<t.length;o++){const i=t[o],r=new Gr(i.start,i.end.offset-i.start.offset,e,0);n.push(r);for(let e=o+1;e<t.length;e++)t[e]=t[e]._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)[0];e=e._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)}return n}lc(Wr,Wr,(t,e,n)=>{if(t.key===e.key){const o=t.range.getDifference(e.range).map(e=>new Wr(e,t.key,t.oldValue,t.newValue,0)),i=t.range.getIntersection(e.range);return i&&n.aIsStrong&&o.push(new Wr(i,e.key,e.newValue,t.newValue,0)),0==o.length?[new ac(0)]:o}return[t]}),lc(Wr,Qr,(t,e)=>{if(t.range.start.hasSameParentAs(e.position)&&t.range.containsPosition(e.position)){const n=t.range._getTransformedByInsertion(e.position,e.howMany,!e.shouldReceiveAttributes).map(e=>new Wr(e,t.key,t.oldValue,t.newValue,t.baseVersion));if(e.shouldReceiveAttributes){const o=gc(e,t.key,t.oldValue);o&&n.unshift(o)}return n}return t.range=t.range._getTransformedByInsertion(e.position,e.howMany,!1)[0],[t]}),lc(Wr,Xr,(t,e)=>{const n=[];t.range.start.hasSameParentAs(e.deletionPosition)&&(t.range.containsPosition(e.deletionPosition)||t.range.start.isEqual(e.deletionPosition))&&n.push(Vi._createFromPositionAndShift(e.graveyardPosition,1));const o=t.range._getTransformedByMergeOperation(e);return o.isCollapsed||n.push(o),n.map(e=>new Wr(e,t.key,t.oldValue,t.newValue,t.baseVersion))}),lc(Wr,Gr,(t,e)=>(function(t,e){const n=Vi._createFromPositionAndShift(e.sourcePosition,e.howMany);let o=null,i=[];n.containsRange(t,!0)?o=t:t.start.hasSameParentAs(n.start)?(i=t.getDifference(n),o=t.getIntersection(n)):i=[t];const r=[];for(let t of i){t=t._getTransformedByDeletion(e.sourcePosition,e.howMany);const n=e.getMovedRangeStart(),o=t.start.hasSameParentAs(n);t=t._getTransformedByInsertion(n,e.howMany,o),r.push(...t)}return o&&r.push(o._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany,!1)[0]),r})(t.range,e).map(e=>new Wr(e,t.key,t.oldValue,t.newValue,t.baseVersion))),lc(Wr,ts,(t,e)=>{if(t.range.end.isEqual(e.insertionPosition))return e.graveyardPosition||t.range.end.offset++,[t];if(t.range.start.hasSameParentAs(e.splitPosition)&&t.range.containsPosition(e.splitPosition)){const n=t.clone();return n.range=new Vi(e.moveTargetPosition.clone(),t.range.end._getCombined(e.splitPosition,e.moveTargetPosition)),t.range.end=e.splitPosition.clone(),t.range.end.stickiness="toPrevious",[t,n]}return t.range=t.range._getTransformedBySplitOperation(e),[t]}),lc(Qr,Wr,(t,e)=>{const n=[t];if(t.shouldReceiveAttributes&&t.position.hasSameParentAs(e.range.start)&&e.range.containsPosition(t.position)){const o=gc(t,e.key,e.newValue);o&&n.push(o)}return n}),lc(Qr,Qr,(t,e,n)=>t.position.isEqual(e.position)&&n.aIsStrong?[t]:(t.position=t.position._getTransformedByInsertOperation(e),[t])),lc(Qr,Gr,(t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t])),lc(Qr,ts,(t,e)=>(t.position=t.position._getTransformedBySplitOperation(e),[t])),lc(Qr,Xr,(t,e)=>(t.position=t.position._getTransformedByMergeOperation(e),[t])),lc(Jr,Qr,(t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByInsertOperation(e)[0]),t.newRange&&(t.newRange=t.newRange._getTransformedByInsertOperation(e)[0]),[t])),lc(Jr,Jr,(t,e,n)=>{if(t.name==e.name){if(!n.aIsStrong)return[new ac(0)];t.oldRange=e.newRange?e.newRange.clone():null}return[t]}),lc(Jr,Xr,(t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByMergeOperation(e)),t.newRange&&(t.newRange=t.newRange._getTransformedByMergeOperation(e)),[t])),lc(Jr,Gr,(t,e,n)=>{if(t.oldRange&&(t.oldRange=Vi._createFromRanges(t.oldRange._getTransformedByMoveOperation(e))),t.newRange){if(n.abRelation){const o=Vi._createFromRanges(t.newRange._getTransformedByMoveOperation(e));if("left"==n.abRelation.side&&e.targetPosition.isEqual(t.newRange.start))return t.newRange.start.path=n.abRelation.path,t.newRange.end=o.end,[t];if("right"==n.abRelation.side&&e.targetPosition.isEqual(t.newRange.end))return t.newRange.start=o.start,t.newRange.end.path=n.abRelation.path,[t]}t.newRange=Vi._createFromRanges(t.newRange._getTransformedByMoveOperation(e))}return[t]}),lc(Jr,ts,(t,e,n)=>{if(t.oldRange&&(t.oldRange=t.oldRange._getTransformedBySplitOperation(e)),t.newRange){if(n.abRelation){const o=t.newRange._getTransformedBySplitOperation(e);return t.newRange.start.isEqual(e.splitPosition)&&n.abRelation.wasStartBeforeMergedElement?t.newRange.start=Li._createAt(e.insertionPosition):t.newRange.start.isEqual(e.splitPosition)&&!n.abRelation.wasInLeftElement&&(t.newRange.start=Li._createAt(e.moveTargetPosition)),t.newRange.end.isEqual(e.splitPosition)&&n.abRelation.wasInRightElement?t.newRange.end=Li._createAt(e.moveTargetPosition):t.newRange.end.isEqual(e.splitPosition)&&n.abRelation.wasEndBeforeMergedElement?t.newRange.end=Li._createAt(e.insertionPosition):t.newRange.end=o.end,[t]}t.newRange=t.newRange._getTransformedBySplitOperation(e)}return[t]}),lc(Xr,Qr,(t,e)=>(t.sourcePosition.hasSameParentAs(e.position)&&(t.howMany+=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByInsertOperation(e),t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e),[t])),lc(Xr,Xr,(t,e,n)=>{if(t.sourcePosition.isEqual(e.sourcePosition)&&t.targetPosition.isEqual(e.targetPosition)){if(n.bWasUndone){const n=e.graveyardPosition.path.slice();return n.push(0),t.sourcePosition=new Li(e.graveyardPosition.root,n),t.howMany=0,[t]}return[new ac(0)]}if(t.sourcePosition.isEqual(e.sourcePosition)&&!t.targetPosition.isEqual(e.targetPosition)&&!n.bWasUndone&&"splitAtSource"!=n.abRelation){const o="$graveyard"==t.targetPosition.root.rootName,i="$graveyard"==e.targetPosition.root.rootName;if(i&&!o||(!o||i)&&n.aIsStrong){const n=e.targetPosition._getTransformedByMergeOperation(e),o=t.targetPosition._getTransformedByMergeOperation(e);return[new Gr(n,t.howMany,o,0)]}return[new ac(0)]}return t.sourcePosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByMergeOperation(e),t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),t.graveyardPosition.isEqual(e.graveyardPosition)&&n.aIsStrong||(t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)),[t]}),lc(Xr,Gr,(t,e,n)=>{const o=Vi._createFromPositionAndShift(e.sourcePosition,e.howMany);return"remove"==e.type&&!n.bWasUndone&&!n.forceWeakRemove&&t.deletionPosition.hasSameParentAs(e.sourcePosition)&&o.containsPosition(t.sourcePosition)?[new ac(0)]:(t.sourcePosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.sourcePosition.hasSameParentAs(e.sourcePosition)&&(t.howMany-=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByMoveOperation(e),t.targetPosition=t.targetPosition._getTransformedByMoveOperation(e),t.graveyardPosition.isEqual(e.targetPosition)||(t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)),[t])}),lc(Xr,ts,(t,e,n)=>{if(e.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedByDeletion(e.graveyardPosition,1),t.deletionPosition.isEqual(e.graveyardPosition)&&(t.howMany=e.howMany)),t.targetPosition.isEqual(e.splitPosition)){const o=0!=e.howMany,i=e.graveyardPosition&&t.deletionPosition.isEqual(e.graveyardPosition);if(o||i||"mergeTargetNotMoved"==n.abRelation)return t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e),[t]}if(t.sourcePosition.isEqual(e.splitPosition)){if("mergeSourceNotMoved"==n.abRelation)return t.howMany=0,t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t];if("mergeSameElement"==n.abRelation||t.sourcePosition.offset>0)return t.sourcePosition=e.moveTargetPosition.clone(),t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t]}return t.sourcePosition.hasSameParentAs(e.splitPosition)&&(t.howMany=e.splitPosition.offset),t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e),t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t]}),lc(Gr,Qr,(t,e)=>{const n=Vi._createFromPositionAndShift(t.sourcePosition,t.howMany)._getTransformedByInsertOperation(e,!1)[0];return t.sourcePosition=n.start,t.howMany=n.end.offset-n.start.offset,t.targetPosition.isEqual(e.position)||(t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e)),[t]}),lc(Gr,Gr,(t,e,n)=>{const o=Vi._createFromPositionAndShift(t.sourcePosition,t.howMany),i=Vi._createFromPositionAndShift(e.sourcePosition,e.howMany);let r,s=n.aIsStrong,a=!n.aIsStrong;if("insertBefore"==n.abRelation||"insertAfter"==n.baRelation?a=!0:"insertAfter"!=n.abRelation&&"insertBefore"!=n.baRelation||(a=!1),r=t.targetPosition.isEqual(e.targetPosition)&&a?t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany):t.targetPosition._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),bc(t,e)&&bc(e,t))return[e.getReversed()];if(o.containsPosition(e.targetPosition)&&o.containsRange(i,!0))return o.start=o.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),o.end=o.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),wc([o],r);if(i.containsPosition(t.targetPosition)&&i.containsRange(o,!0))return o.start=o.start._getCombined(e.sourcePosition,e.getMovedRangeStart()),o.end=o.end._getCombined(e.sourcePosition,e.getMovedRangeStart()),wc([o],r);const c=Oe(t.sourcePosition.getParentPath(),e.sourcePosition.getParentPath());if("prefix"==c||"extension"==c)return o.start=o.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),o.end=o.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),wc([o],r);"remove"!=t.type||"remove"==e.type||n.aWasUndone||n.forceWeakRemove?"remove"==t.type||"remove"!=e.type||n.bWasUndone||n.forceWeakRemove||(s=!1):s=!0;const l=[],u=o.getDifference(i);for(const t of u){t.start=t.start._getTransformedByDeletion(e.sourcePosition,e.howMany),t.end=t.end._getTransformedByDeletion(e.sourcePosition,e.howMany);const n="same"==Oe(t.start.getParentPath(),e.getMovedRangeStart().getParentPath()),o=t._getTransformedByInsertion(e.getMovedRangeStart(),e.howMany,n);l.push(...o)}const d=o.getIntersection(i);return null!==d&&s&&(d.start=d.start._getCombined(e.sourcePosition,e.getMovedRangeStart()),d.end=d.end._getCombined(e.sourcePosition,e.getMovedRangeStart()),0===l.length?l.push(d):1==l.length?i.start.isBefore(o.start)||i.start.isEqual(o.start)?l.unshift(d):l.push(d):l.splice(1,0,d)),0===l.length?[new ac(t.baseVersion)]:wc(l,r)}),lc(Gr,ts,(t,e,n)=>{let o=t.targetPosition.clone();t.targetPosition.isEqual(e.insertionPosition)&&e.graveyardPosition&&"moveTargetAfter"!=n.abRelation||(o=t.targetPosition._getTransformedBySplitOperation(e));const i=Vi._createFromPositionAndShift(t.sourcePosition,t.howMany);if(i.end.isEqual(e.insertionPosition))return e.graveyardPosition||t.howMany++,t.targetPosition=o,[t];if(i.start.hasSameParentAs(e.splitPosition)&&i.containsPosition(e.splitPosition)){let t=new Vi(e.splitPosition,i.end);return t=t._getTransformedBySplitOperation(e),wc([new Vi(i.start,e.splitPosition),t],o)}t.targetPosition.isEqual(e.splitPosition)&&"insertAtSource"==n.abRelation&&(o=e.moveTargetPosition),t.targetPosition.isEqual(e.insertionPosition)&&"insertBetween"==n.abRelation&&(o=t.targetPosition);const r=[i._getTransformedBySplitOperation(e)];if(e.graveyardPosition){const o=i.start.isEqual(e.graveyardPosition)||i.containsPosition(e.graveyardPosition);t.howMany>1&&o&&!n.aWasUndone&&r.push(Vi._createFromPositionAndShift(e.insertionPosition,1))}return wc(r,o)}),lc(Gr,Xr,(t,e,n)=>{const o=Vi._createFromPositionAndShift(t.sourcePosition,t.howMany);if(e.deletionPosition.hasSameParentAs(t.sourcePosition)&&o.containsPosition(e.sourcePosition))if("remove"!=t.type||n.forceWeakRemove){if(1==t.howMany)return n.bWasUndone?(t.sourcePosition=e.graveyardPosition.clone(),t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),[t]):[new ac(0)]}else if(!n.aWasUndone){const n=[];let o=e.graveyardPosition.clone(),i=e.targetPosition._getTransformedByMergeOperation(e);t.howMany>1&&(n.push(new Gr(t.sourcePosition,t.howMany-1,t.targetPosition,0)),o=o._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany-1),i=i._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany-1));const r=e.deletionPosition._getCombined(t.sourcePosition,t.targetPosition),s=new Gr(o,1,r,0),a=s.getMovedRangeStart().path.slice();a.push(0);const c=new Li(s.targetPosition.root,a);i=i._getTransformedByMove(o,r,1);const l=new Gr(i,e.howMany,c,0);return n.push(s),n.push(l),n}const i=Vi._createFromPositionAndShift(t.sourcePosition,t.howMany)._getTransformedByMergeOperation(e);return t.sourcePosition=i.start,t.howMany=i.end.offset-i.start.offset,t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),[t]}),lc(Kr,Qr,(t,e)=>(t.position=t.position._getTransformedByInsertOperation(e),[t])),lc(Kr,Xr,(t,e)=>t.position.isEqual(e.deletionPosition)?(t.position=e.graveyardPosition.clone(),t.position.stickiness="toNext",[t]):(t.position=t.position._getTransformedByMergeOperation(e),[t])),lc(Kr,Gr,(t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t])),lc(Kr,Kr,(t,e,n)=>{if(t.position.isEqual(e.position)){if(!n.aIsStrong)return[new ac(0)];t.oldName=e.newName}return[t]}),lc(Kr,ts,(t,e)=>"same"!=Oe(t.position.path,e.splitPosition.getParentPath())||e.graveyardPosition?(t.position=t.position._getTransformedBySplitOperation(e),[t]):[t,new Kr(t.position.getShiftedBy(1),t.oldName,t.newName,0)]),lc(Zr,Zr,(t,e,n)=>{if(t.root===e.root&&t.key===e.key){if(!n.aIsStrong||t.newValue===e.newValue)return[new ac(0)];t.oldValue=e.newValue}return[t]}),lc(ts,Qr,(t,e)=>(t.splitPosition.hasSameParentAs(e.position)&&t.splitPosition.offset<e.position.offset&&(t.howMany+=e.howMany),t.splitPosition=t.splitPosition._getTransformedByInsertOperation(e),t.insertionPosition=ts.getInsertionPosition(t.splitPosition),[t])),lc(ts,Xr,(t,e,n)=>{if(!t.graveyardPosition&&!n.bWasUndone&&t.splitPosition.hasSameParentAs(e.sourcePosition)){const n=e.graveyardPosition.path.slice();n.push(0);const o=new Li(e.graveyardPosition.root,n),i=ts.getInsertionPosition(new Li(e.graveyardPosition.root,n)),r=new ts(o,0,null,0);return r.insertionPosition=i,t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e),t.insertionPosition=ts.getInsertionPosition(t.splitPosition),t.graveyardPosition=r.insertionPosition.clone(),t.graveyardPosition.stickiness="toNext",[r,t]}return t.splitPosition.hasSameParentAs(e.deletionPosition)&&!t.splitPosition.isAfter(e.deletionPosition)&&t.howMany--,t.splitPosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e),t.insertionPosition=ts.getInsertionPosition(t.splitPosition),t.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)),[t]}),lc(ts,Gr,(t,e,n)=>{const o=Vi._createFromPositionAndShift(e.sourcePosition,e.howMany);if(t.graveyardPosition){const i=o.start.isEqual(t.graveyardPosition)||o.containsPosition(t.graveyardPosition);if(!n.bWasUndone&&i){const n=t.splitPosition._getTransformedByMoveOperation(e),o=t.graveyardPosition._getTransformedByMoveOperation(e),i=o.path.slice();i.push(0);const r=new Li(o.root,i);return[new Gr(n,t.howMany,r,0)]}t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)}if(t.splitPosition.hasSameParentAs(e.sourcePosition)&&o.containsPosition(t.splitPosition)){const n=e.howMany-(t.splitPosition.offset-e.sourcePosition.offset);return t.howMany-=n,t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset<e.targetPosition.offset&&(t.howMany+=e.howMany),t.splitPosition=e.sourcePosition.clone(),t.insertionPosition=ts.getInsertionPosition(t.splitPosition),[t]}return!t.splitPosition.isEqual(e.targetPosition)||"insertAtSource"!=n.baRelation&&"splitBefore"!=n.abRelation?(e.sourcePosition.isEqual(e.targetPosition)||(t.splitPosition.hasSameParentAs(e.sourcePosition)&&t.splitPosition.offset<=e.sourcePosition.offset&&(t.howMany-=e.howMany),t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset<e.targetPosition.offset&&(t.howMany+=e.howMany)),t.splitPosition.stickiness="toNone",t.splitPosition=t.splitPosition._getTransformedByMoveOperation(e),t.splitPosition.stickiness="toNext",t.graveyardPosition?t.insertionPosition=t.insertionPosition._getTransformedByMoveOperation(e):t.insertionPosition=ts.getInsertionPosition(t.splitPosition),[t]):(t.howMany+=e.howMany,t.splitPosition=t.splitPosition._getTransformedByDeletion(e.sourcePosition,e.howMany),t.insertionPosition=ts.getInsertionPosition(t.splitPosition),[t])}),lc(ts,ts,(t,e,n)=>{if(t.splitPosition.isEqual(e.splitPosition)){if(!t.graveyardPosition&&!e.graveyardPosition)return[new ac(0)];if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition))return[new ac(0)];if("splitBefore"==n.abRelation)return t.howMany=0,t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e),[t]}if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition)){const o="$graveyard"==t.splitPosition.root.rootName,i="$graveyard"==e.splitPosition.root.rootName;if(i&&!o||(!o||i)&&n.aIsStrong){const n=[];return e.howMany&&n.push(new Gr(e.moveTargetPosition,e.howMany,e.splitPosition,0)),t.howMany&&n.push(new Gr(t.splitPosition,t.howMany,t.moveTargetPosition,0)),n}return[new ac(0)]}if(t.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e)),t.splitPosition.isEqual(e.insertionPosition)&&"splitBefore"==n.abRelation)return t.howMany++,[t];if(e.splitPosition.isEqual(t.insertionPosition)&&"splitBefore"==n.baRelation){const n=e.insertionPosition.path.slice();n.push(0);const o=new Li(e.insertionPosition.root,n);return[t,new Gr(t.insertionPosition,1,o,0)]}return t.splitPosition.hasSameParentAs(e.splitPosition)&&t.splitPosition.offset<e.splitPosition.offset&&(t.howMany-=e.howMany),t.splitPosition=t.splitPosition._getTransformedBySplitOperation(e),t.insertionPosition=ts.getInsertionPosition(t.splitPosition),[t]});class _c extends Da{constructor(t){super(t),this._stack=[],this._createdBatches=new WeakSet,this.refresh()}refresh(){this.isEnabled=this._stack.length>0}addBatch(t){const e=this.editor.model.document.selection,n={ranges:e.hasOwnRange?Array.from(e.getRanges()):[],isBackward:e.isBackward};this._stack.push({batch:t,selection:n}),this.refresh()}clearStack(){this._stack=[],this.refresh()}_restoreSelection(t,e,n){const o=this.editor.model,i=o.document,r=[];for(const e of t){const t=vc(e,n).find(t=>t.start.root!=i.graveyard);t&&r.push(t)}r.length&&o.change(t=>{t.setSelection(r,{backward:e})})}_undo(t,e){const n=this.editor.model,o=n.document;this._createdBatches.add(e);const i=t.operations.slice().filter(t=>t.isDocumentOperation);i.reverse();for(const t of i){const i=t.baseVersion+1,r=Array.from(o.history.getOperations(i)),s=hc([t.getReversed()],r,{useRelations:!0,document:this.editor.model.document,padWithNoOps:!1,forceWeakRemove:!0}).operationsA;for(const i of s)e.addOperation(i),n.applyOperation(i),o.history.setOperationAsUndone(t,i)}}}function vc(t,e){const n=t.getTransformedByOperations(e);n.sort((t,e)=>t.start.isBefore(e.start)?-1:1);for(let t=1;t<n.length;t++){const e=n[t-1],o=n[t];e.end.isTouching(o.start)&&(e.end=o.end,n.splice(t,1),t--)}return n}class kc extends _c{execute(t=null){const e=t?this._stack.findIndex(e=>e.batch==t):this._stack.length-1,n=this._stack.splice(e,1)[0],o=this.editor.model.createBatch();this.editor.model.enqueueChange(o,()=>{this._undo(n.batch,o);const t=this.editor.model.document.history.getOperations(n.batch.baseVersion);this._restoreSelection(n.selection.ranges,n.selection.isBackward,t),this.fire("revert",n.batch,o)}),this.refresh()}}class yc extends _c{execute(){const t=this._stack.pop(),e=this.editor.model.createBatch();this.editor.model.enqueueChange(e,()=>{const n=t.batch.operations[t.batch.operations.length-1].baseVersion+1,o=this.editor.model.document.history.getOperations(n);this._restoreSelection(t.selection.ranges,t.selection.isBackward,o),this._undo(t.batch,e)}),this.refresh()}}class xc extends Ia{constructor(t){super(t),this._batchRegistry=new WeakSet}init(){const t=this.editor;this._undoCommand=new kc(t),this._redoCommand=new yc(t),t.commands.add("undo",this._undoCommand),t.commands.add("redo",this._redoCommand),this.listenTo(t.model,"applyOperation",(t,e)=>{const n=e[0];if(!n.isDocumentOperation)return;const o=n.batch;this._batchRegistry.has(o)||"transparent"==o.type||(this._redoCommand._createdBatches.has(o)?this._undoCommand.addBatch(o):this._undoCommand._createdBatches.has(o)||(this._undoCommand.addBatch(o),this._redoCommand.clearStack()),this._batchRegistry.add(o))},{priority:"highest"}),this.listenTo(this._undoCommand,"revert",(t,e,n)=>{this._redoCommand.addBatch(n)}),t.keystrokes.set("CTRL+Z","undo"),t.keystrokes.set("CTRL+Y","redo"),t.keystrokes.set("CTRL+SHIFT+Z","redo")}}n(60);class Ac extends ga{constructor(){super();const t=this.bindTemplate;this.set("content",""),this.set("viewBox","0 0 20 20"),this.set("fillColor",""),this.setTemplate({tag:"svg",ns:"http://www.w3.org/2000/svg",attributes:{class:["ck","ck-icon"],viewBox:t.to("viewBox")}})}render(){super.render(),this._updateXMLContent(),this._colorFillPaths(),this.on("change:content",()=>{this._updateXMLContent(),this._colorFillPaths()}),this.on("change:fillColor",()=>{this._colorFillPaths()})}_updateXMLContent(){if(this.content){const t=(new DOMParser).parseFromString(this.content.trim(),"image/svg+xml").querySelector("svg"),e=t.getAttribute("viewBox");for(e&&(this.viewBox=e),this.element.innerHTML="";t.childNodes.length>0;)this.element.appendChild(t.childNodes[0])}}_colorFillPaths(){this.fillColor&&this.element.querySelectorAll(".ck-icon__fill").forEach(t=>{t.style.fill=this.fillColor})}}n(62);class Tc extends ga{constructor(t){super(t),this.set("text",""),this.set("position","s");const e=this.bindTemplate;this.setTemplate({tag:"span",attributes:{class:["ck","ck-tooltip",e.to("position",t=>"ck-tooltip_"+t),e.if("text","ck-hidden",t=>!t.trim())]},children:[{tag:"span",attributes:{class:["ck","ck-tooltip__text"]},children:[{text:e.to("text")}]}]})}}n(64);class Cc extends ga{constructor(t){super(t);const e=this.bindTemplate,n=ve();this.set("class"),this.set("labelStyle"),this.set("icon"),this.set("isEnabled",!0),this.set("isOn",!1),this.set("isVisible",!0),this.set("keystroke"),this.set("label"),this.set("tabindex",-1),this.set("tooltip"),this.set("tooltipPosition","s"),this.set("type","button"),this.set("withText",!1),this.children=this.createCollection(),this.tooltipView=this._createTooltipView(),this.labelView=this._createLabelView(n),this.iconView=new Ac,this.iconView.extendTemplate({attributes:{class:"ck-button__icon"}}),this.bind("_tooltipString").to(this,"tooltip",this,"label",this,"keystroke",this._getTooltipString.bind(this)),this.setTemplate({tag:"button",attributes:{class:["ck","ck-button",e.to("class"),e.if("isEnabled","ck-disabled",t=>!t),e.if("isVisible","ck-hidden",t=>!t),e.to("isOn",t=>t?"ck-on":"ck-off"),e.if("withText","ck-button_with-text")],type:e.to("type",t=>t||"button"),tabindex:e.to("tabindex"),"aria-labelledby":`ck-editor__aria-label_${n}`,"aria-disabled":e.if("isEnabled",!0,t=>!t),"aria-pressed":e.if("isOn",!0)},children:this.children,on:{mousedown:e.to(t=>{t.preventDefault()}),click:e.to(t=>{this.isEnabled?this.fire("execute"):t.preventDefault()})}})}render(){super.render(),this.icon&&(this.iconView.bind("content").to(this,"icon"),this.children.add(this.iconView)),this.children.add(this.tooltipView),this.children.add(this.labelView)}focus(){this.element.focus()}_createTooltipView(){const t=new Tc;return t.bind("text").to(this,"_tooltipString"),t.bind("position").to(this,"tooltipPosition"),t}_createLabelView(t){const e=new ga,n=this.bindTemplate;return e.setTemplate({tag:"span",attributes:{class:["ck","ck-button__label"],style:n.to("labelStyle"),id:`ck-editor__aria-label_${t}`},children:[{text:this.bindTemplate.to("label")}]}),e}_getTooltipString(t,e,n){return t?"string"==typeof t?t:(n&&(n=function(t){return Mn.isMac?Dn(t).map(t=>On[t.toLowerCase()]||t).reduce((t,e)=>t.slice(-1)in In?t+e:t+"+"+e):t}(n)),t instanceof Function?t(e,n):`${e}${n?` (${n})`:""}`):""}}var Pc=n(21),Ec=n.n(Pc),Sc=n(22),Mc=n.n(Sc);class Ic extends Ia{init(){const t=this.editor.t;this._addButton("undo",t("be"),"CTRL+Z",Ec.a),this._addButton("redo",t("bf"),"CTRL+Y",Mc.a)}_addButton(t,e,n,o){const i=this.editor;i.ui.componentFactory.add(t,r=>{const s=i.commands.get(t),a=new Cc(r);return a.set({label:e,icon:o,keystroke:n,tooltip:!0}),a.bind("isEnabled").to(s,"isEnabled"),this.listenTo(a,"execute",()=>i.execute(t)),a})}}class Oc extends Ia{static get requires(){return[xc,Ic]}static get pluginName(){return"Undo"}}class Nc extends Ia{static get pluginName(){return"PendingActions"}init(){this.set("hasAny",!1),this._actions=new kn({idProperty:"_id"}),this._actions.delegate("add","remove").to(this)}add(t){if("string"!=typeof t)throw new be.b("pendingactions-add-invalid-message: The message must be a string.");const e=Object.create(on);return e.set("message",t),this._actions.add(e),this.hasAny=!0,e}remove(t){this._actions.remove(t),this.hasAny=!!this._actions.length}get first(){return this._actions.get(0)}[Symbol.iterator](){return this._actions[Symbol.iterator]()}}class Rc{constructor(){const t=new window.FileReader;this._reader=t,this.set("loaded",0),t.onprogress=(t=>{this.loaded=t.loaded})}get error(){return this._reader.error}read(t){const e=this._reader;return this.total=t.size,new Promise((n,o)=>{e.onload=(()=>{n(e.result)}),e.onerror=(()=>{o("error")}),e.onabort=(()=>{o("aborted")}),this._reader.readAsDataURL(t)})}abort(){this._reader.abort()}}Ie(Rc,on);class jc extends Ia{static get pluginName(){return"FileRepository"}static get requires(){return[Nc]}init(){this.loaders=new kn,this.loaders.on("add",()=>this._updatePendingAction()),this.loaders.on("remove",()=>this._updatePendingAction()),this._loadersMap=new Map,this._pendingAction=null,this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",(t,e)=>e?t/e*100:0)}getLoader(t){return this._loadersMap.get(t)||null}createLoader(t){if(!this.createUploadAdapter)return ai.a.error("filerepository-no-upload-adapter: Upload adapter is not defined."),null;const e=new Dc(Promise.resolve(t),this.createUploadAdapter);return this.loaders.add(e),this._loadersMap.set(t,e),t instanceof Promise&&e.file.then(t=>{this._loadersMap.set(t,e)}),e.file.catch(()=>{}),e.on("change:uploaded",()=>{let t=0;for(const e of this.loaders)t+=e.uploaded;this.uploaded=t}),e.on("change:uploadTotal",()=>{let t=0;for(const e of this.loaders)e.uploadTotal&&(t+=e.uploadTotal);this.uploadTotal=t}),e}destroyLoader(t){const e=t instanceof Dc?t:this.getLoader(t);e._destroy(),this.loaders.remove(e),this._loadersMap.forEach((t,n)=>{t===e&&this._loadersMap.delete(n)})}_updatePendingAction(){const t=this.editor.plugins.get(Nc);if(this.loaders.length){if(!this._pendingAction){const e=this.editor.t,n=t=>`${e("at")} ${parseInt(t)}%.`;this._pendingAction=t.add(n(this.uploadedPercent)),this._pendingAction.bind("message").to(this,"uploadedPercent",n)}}else t.remove(this._pendingAction),this._pendingAction=null}}Ie(jc,on);class Dc{constructor(t,e){this.id=ve(),this._filePromiseWrapper=this._createFilePromiseWrapper(t),this._adapter=e(this),this._reader=new Rc,this.set("status","idle"),this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",(t,e)=>e?t/e*100:0),this.set("uploadResponse",null)}get file(){return this._filePromiseWrapper?this._filePromiseWrapper.promise.then(t=>this._filePromiseWrapper?t:null):Promise.resolve(null)}read(){if("idle"!=this.status)throw new be.b("filerepository-read-wrong-status: You cannot call read if the status is different than idle.");return this.status="reading",this._filePromiseWrapper.promise.then(t=>this._reader.read(t)).then(t=>(this.status="idle",t)).catch(t=>{if("aborted"===t)throw this.status="aborted","aborted";throw this.status="error",this._reader.error?this._reader.error:t})}upload(){if("idle"!=this.status)throw new be.b("filerepository-upload-wrong-status: You cannot call upload if the status is different than idle.");return this.status="uploading",this._filePromiseWrapper.promise.then(()=>this._adapter.upload()).then(t=>(this.uploadResponse=t,this.status="idle",t)).catch(t=>{if("aborted"===this.status)throw"aborted";throw this.status="error",t})}abort(){const t=this.status;this.status="aborted",this._filePromiseWrapper.isFulfilled?"reading"==t?this._reader.abort():"uploading"==t&&this._adapter.abort&&this._adapter.abort():this._filePromiseWrapper.rejecter("aborted"),this._destroy()}_destroy(){this._filePromiseWrapper=void 0,this._reader=void 0,this._adapter=void 0,this.data=void 0,this.uploadResponse=void 0}_createFilePromiseWrapper(t){const e={};return e.promise=new Promise((n,o)=>{e.resolver=n,e.rejecter=o,e.isFulfilled=!1,t.then(t=>{e.isFulfilled=!0,n(t)}).catch(t=>{e.isFulfilled=!0,o(t)})}),e}}Ie(Dc,on);const Lc="ckCsrfToken",Vc=40,zc="abcdefghijklmnopqrstuvwxyz0123456789";class Bc extends Ia{static get requires(){return[jc]}static get pluginName(){return"CKFinderUploadAdapter"}init(){const t=this.editor.config.get("ckfinder.uploadUrl");t&&(this.editor.plugins.get(jc).createUploadAdapter=(e=>new Fc(e,t,this.editor.t)))}}class Fc{constructor(t,e,n){this.loader=t,this.url=e,this.t=n}upload(){return this.loader.file.then(t=>new Promise((e,n)=>{this._initRequest(),this._initListeners(e,n,t),this._sendRequest(t)}))}abort(){this.xhr&&this.xhr.abort()}_initRequest(){const t=this.xhr=new XMLHttpRequest;t.open("POST",this.url,!0),t.responseType="json"}_initListeners(t,e,n){const o=this.xhr,i=this.loader,r=(0,this.t)("a")+` ${n.name}.`;o.addEventListener("error",()=>e(r)),o.addEventListener("abort",()=>e()),o.addEventListener("load",()=>{const n=o.response;if(!n||!n.uploaded)return e(n&&n.error&&n.error.message?n.error.message:r);t({default:n.url})}),o.upload&&o.upload.addEventListener("progress",t=>{t.lengthComputable&&(i.uploadTotal=t.total,i.uploaded=t.loaded)})}_sendRequest(t){const e=new FormData;e.append("upload",t),e.append("ckCsrfToken",function(){let t=function(t){t=t.toLowerCase();const e=document.cookie.split(";");for(const n of e){const e=n.split("=");if(decodeURIComponent(e[0].trim().toLowerCase())===t)return decodeURIComponent(e[1])}return null}(Lc);return t&&t.length==Vc||(t=function(t){let e="";const n=new Uint8Array(Vc);window.crypto.getRandomValues(n);for(let t=0;t<n.length;t++){const o=zc.charAt(n[t]%zc.length);e+=Math.random()>.5?o.toUpperCase():o}return e}(),function(t,e){document.cookie=encodeURIComponent(t)+"="+encodeURIComponent(e)+";path=/"}(Lc,t)),t}()),this.xhr.send(e)}}class Uc{constructor(t,e,n){let o,i=null;"function"==typeof n?o=n:(i=t.commands.get(n),o=(()=>{t.execute(n)})),t.model.document.on("change",(n,r)=>{if(i&&!i.isEnabled)return;if("transparent"==r.type)return;const s=Array.from(t.model.document.differ.getChanges()),a=s[0];if(1!=s.length||"insert"!==a.type||"$text"!=a.name||1!=a.length)return;const c=a.position.textNode||a.position.nodeAfter;if(!c.parent.is("paragraph"))return;const l=e.exec(c.data);l&&t.model.enqueueChange(t=>{const e=t.createPositionAt(c.parent,0),n=t.createPositionAt(c.parent,l[0].length),i=new Gi(e,n);!1!==o({match:l})&&t.remove(i),i.detach()})})}}class qc{constructor(t,e,n){let o,i,r,s;e instanceof RegExp?o=e:r=e,"string"==typeof n?i=n:s=n,r=r||(t=>{let e;const n=[],i=[];for(;null!==(e=o.exec(t))&&!(e&&e.length<4);){let{index:t,1:o,2:r,3:s}=e;const a=o+r+s,c=[t+=e[0].length-a.length,t+o.length],l=[t+o.length+r.length,t+o.length+r.length+s.length];n.push(c),n.push(l),i.push([t+o.length,t+o.length+r.length])}return{remove:n,format:i}}),s=s||((e,n)=>{const o=t.model.schema.getValidRanges(n,i);for(const t of o)e.setAttribute(i,!0,t);e.removeSelectionAttribute(i)}),t.model.document.on("change",(e,n)=>{if("transparent"==n.type)return;const o=t.model.document.selection;if(!o.isCollapsed)return;const i=Array.from(t.model.document.differ.getChanges()),a=i[0];if(1!=i.length||"insert"!==a.type||"$text"!=a.name||1!=a.length)return;const c=o.focus.parent,l=function(t){return Array.from(t.getChildren()).reduce((t,e)=>t+e.data,"")}(c).slice(0,o.focus.offset),u=r(l),d=$c(c,u.format,t.model),h=$c(c,u.remove,t.model);d.length&&h.length&&t.model.enqueueChange(t=>{if(!1!==s(t,d))for(const e of h.reverse())t.remove(e)})})}}function $c(t,e,n){return e.filter(t=>void 0!==t[0]&&void 0!==t[1]).map(e=>n.createRange(n.createPositionAt(t,e[0]),n.createPositionAt(t,e[1])))}function Hc(t,e){return(n,o)=>{if(!t.commands.get(e).isEnabled)return!1;const i=t.model.schema.getValidRanges(o,e);for(const t of i)n.setAttribute(e,!0,t);n.removeSelectionAttribute(e)}}class Wc extends Da{constructor(t,e){super(t),this.attributeKey=e}refresh(){const t=this.editor.model,e=t.document;this.value=this._getValueFromFirstAllowedNode(),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(t={}){const e=this.editor.model,n=e.document.selection,o=void 0===t.forceValue?!this.value:t.forceValue;e.change(t=>{if(n.isCollapsed)o?t.setSelectionAttribute(this.attributeKey,!0):t.removeSelectionAttribute(this.attributeKey);else{const i=e.schema.getValidRanges(n.getRanges(),this.attributeKey);for(const e of i)o?t.setAttribute(this.attributeKey,o,e):t.removeAttribute(this.attributeKey,e)}})}_getValueFromFirstAllowedNode(){const t=this.editor.model,e=t.schema,n=t.document.selection;if(n.isCollapsed)return n.hasAttribute(this.attributeKey);for(const t of n.getRanges())for(const n of t.getItems())if(e.checkAttribute(n,this.attributeKey))return n.hasAttribute(this.attributeKey);return!1}}const Yc="bold";class Gc extends Ia{init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:Yc}),t.model.schema.setAttributeProperties(Yc,{isFormatting:!0}),t.conversion.attributeToElement({model:Yc,view:"strong",upcastAlso:["b",{styles:{"font-weight":"bold"}}]}),t.commands.add(Yc,new Wc(t,Yc)),t.keystrokes.set("CTRL+B",Yc)}}var Qc=n(23),Jc=n.n(Qc);const Kc="bold";class Zc extends Ia{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(Kc,n=>{const o=t.commands.get(Kc),i=new Cc(n);return i.set({label:e("b"),icon:Jc.a,keystroke:"CTRL+B",tooltip:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",()=>t.execute(Kc)),i})}}const Xc="italic";class tl extends Ia{init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:Xc}),t.model.schema.setAttributeProperties(Xc,{isFormatting:!0}),t.conversion.attributeToElement({model:Xc,view:"i",upcastAlso:["em",{styles:{"font-style":"italic"}}]}),t.commands.add(Xc,new Wc(t,Xc)),t.keystrokes.set("CTRL+I",Xc)}}var el=n(24),nl=n.n(el);const ol="italic";class il extends Ia{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(ol,n=>{const o=t.commands.get(ol),i=new Cc(n);return i.set({label:e("g"),icon:nl.a,keystroke:"CTRL+I",tooltip:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",()=>t.execute(ol)),i})}}function rl(t){const e=t.next();return e.done?null:e.value}class sl extends Da{refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(t={}){const e=this.editor.model,n=e.schema,o=e.document.selection,i=Array.from(o.getTopMostBlocks()),r=void 0===t.forceValue?!this.value:t.forceValue;e.change(t=>{if(r){const e=i.filter(t=>al(t)||ll(n,t));this._applyQuote(t,e)}else this._removeQuote(t,i.filter(al))})}_getValue(){const t=rl(this.editor.model.document.selection.getTopMostBlocks());return!(!t||!al(t))}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,n=rl(t.getSelectedBlocks());return!!n&&ll(e,n)}_removeQuote(t,e){cl(t,e).reverse().forEach(e=>{if(e.start.isAtStart&&e.end.isAtEnd)return void t.unwrap(e.start.parent);if(e.start.isAtStart){const n=t.createPositionBefore(e.start.parent);return void t.move(e,n)}e.end.isAtEnd||t.split(e.end);const n=t.createPositionAfter(e.end.parent);t.move(e,n)})}_applyQuote(t,e){const n=[];cl(t,e).reverse().forEach(e=>{let o=al(e.start);o||(o=t.createElement("blockQuote"),t.wrap(e,o)),n.push(o)}),n.reverse().reduce((e,n)=>e.nextSibling==n?(t.merge(t.createPositionAfter(e)),e):n)}}function al(t){return"blockQuote"==t.parent.name?t.parent:null}function cl(t,e){let n,o=0;const i=[];for(;o<e.length;){const r=e[o],s=e[o+1];n||(n=t.createPositionBefore(r)),s&&r.nextSibling==s||(i.push(t.createRange(n,t.createPositionAfter(r))),n=null),o++}return i}function ll(t,e){const n=t.checkChild(e.parent,"blockQuote"),o=t.checkChild(["$root","blockQuote"],e);return n&&o}class ul extends Ia{init(){const t=this.editor,e=t.model.schema;t.commands.add("blockQuote",new sl(t)),e.register("blockQuote",{allowWhere:"$block",allowContentOf:"$root"}),e.addChildCheck((t,e)=>{if(t.endsWith("blockQuote")&&"blockQuote"==e.name)return!1}),t.conversion.elementToElement({model:"blockQuote",view:"blockquote"}),t.model.document.registerPostFixer(n=>{const o=t.model.document.differ.getChanges();for(const t of o)if("insert"==t.type){const o=t.position.nodeAfter;if(!o)continue;if(o.is("blockQuote")&&o.isEmpty)return n.remove(o),!0;if(o.is("blockQuote")&&!e.checkChild(t.position,o))return n.unwrap(o),!0;if(o.is("element")){const t=n.createRangeIn(o);for(const o of t.getItems())if(o.is("blockQuote")&&!e.checkChild(n.createPositionBefore(o),o))return n.unwrap(o),!0}}else if("remove"==t.type){const e=t.position.parent;if(e.is("blockQuote")&&e.isEmpty)return n.remove(e),!0}return!1})}afterInit(){const t=this.editor.commands.get("blockQuote");this.listenTo(this.editor.editing.view.document,"enter",(e,n)=>{const o=this.editor.model.document,i=o.selection.getLastPosition().parent;o.selection.isCollapsed&&i.isEmpty&&t.value&&(this.editor.execute("blockQuote"),this.editor.editing.view.scrollToTheSelection(),n.preventDefault(),e.stop())})}}var dl=n(25),hl=n.n(dl);n(66);class fl extends Ia{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("blockQuote",n=>{const o=t.commands.get("blockQuote"),i=new Cc(n);return i.set({label:e("c"),icon:hl.a,tooltip:!0}),i.bind("isOn","isEnabled").to(o,"value","isEnabled"),this.listenTo(i,"execute",()=>t.execute("blockQuote")),i})}}var pl=n(26),ml=n.n(pl);class gl extends Ia{static get pluginName(){return"CKFinderUI"}init(){const t=this.editor,e=t.ui.componentFactory,n=t.t;e.add("ckfinder",e=>{const o=t.commands.get("ckfinder"),i=new Cc(e);return i.set({label:n("d"),icon:ml.a,tooltip:!0}),i.bind("isEnabled").to(o),i.on("execute",()=>{t.execute("ckfinder"),t.editing.view.focus()}),i})}}class bl extends Ia{static get pluginName(){return"Notification"}init(){this.on("show:warning",(t,e)=>{window.alert(e.message)},{priority:"lowest"})}showSuccess(t,e={}){this._showNotification({message:t,type:"success",namespace:e.namespace,title:e.title})}showInfo(t,e={}){this._showNotification({message:t,type:"info",namespace:e.namespace,title:e.title})}showWarning(t,e={}){this._showNotification({message:t,type:"warning",namespace:e.namespace,title:e.title})}_showNotification(t){const e=`show:${t.type}`+(t.namespace?`:${t.namespace}`:"");this.fire(e,{message:t.message,type:t.type,title:t.title||""})}}class wl extends Da{constructor(t){super(t),this.stopListening(this.editor.model.document,"change"),this.listenTo(this.editor.model.document,"change",()=>this.refresh(),{priority:"low"})}refresh(){const t=this.editor.commands.get("imageUpload"),e=this.editor.commands.get("link");this.isEnabled=t&&e&&(t.isEnabled||e.isEnabled)}execute(){const t=this.editor,e=this.editor.config.get("ckfinder.openerMethod")||"modal";if("popup"!=e&&"modal"!=e)throw new be.b('ckfinder-unknown-openerMethod: The openerMethod config option must by "popup" or "modal".');const n=this.editor.config.get("ckfinder.options")||{};n.chooseFiles=!0;const o=n.onInit;n.language||(n.language=t.locale.language),n.onInit=(e=>{o&&o(),e.on("files:choose",n=>{const o=n.data.files.toArray(),i=o.filter(t=>!t.isImage()),r=o.filter(t=>t.isImage());for(const e of i)t.execute("link",e.getUrl());const s=[];for(const t of r){const n=t.getUrl();s.push(n||e.request("file:getProxyUrl",{file:t}))}s.length&&_l(t,s)}),e.on("file:choose:resizedImage",e=>{const n=e.data.resizedUrl;if(n)_l(t,[n]);else{const e=t.plugins.get("Notification"),n=t.locale.t;e.showWarning(n("ap"),{title:n("aq"),namespace:"ckfinder"})}})}),window.CKFinder[e](n)}}function _l(t,e){if(t.commands.get("imageUpload").isEnabled)t.execute("imageInsert",{source:e});else{const e=t.plugins.get("Notification"),n=t.locale.t;e.showWarning(n("ar"),{title:n("as"),namespace:"ckfinder"})}}class vl extends Ia{static get pluginName(){return"CKFinderEditing"}static get requires(){return[bl]}init(){const t=this.editor;t.commands.add("ckfinder",new wl(t))}}const kl=/^data:(\S*?);base64,/;class yl{constructor(t,e,n){if(!t)throw new Error("File must be provided");if(!e)throw new Error("Token must be provided");if(!n)throw new Error("Api address must be provided");this.file=function(t){if("string"!=typeof t)return!1;const e=t.match(kl);return!(!e||!e.length)}(t)?function(t,e=512){try{const n=t.match(kl)[1],o=atob(t.replace(kl,"")),i=[];for(let t=0;t<o.length;t+=e){const n=o.slice(t,t+e),r=new Array(n.length);for(let t=0;t<n.length;t++)r[t]=n.charCodeAt(t);i.push(new Uint8Array(r))}return new Blob(i,{type:n})}catch(t){throw new Error("Problem with decoding Base64 image data.")}}(t):t,this._token=e,this._apiAddress=n}onProgress(t){return this.on("progress",(e,n)=>t(n)),this}onError(t){return this.once("error",(e,n)=>t(n)),this}abort(){this.xhr.abort()}send(){return this._prepareRequest(),this._attachXHRListeners(),this._sendRequest()}_prepareRequest(){const t=new XMLHttpRequest;t.open("POST",this._apiAddress),t.setRequestHeader("Authorization",this._token.value),t.responseType="json",this.xhr=t}_attachXHRListeners(){const t=this,e=this.xhr;function n(e){return()=>t.fire("error",e)}e.addEventListener("error",n("Network Error")),e.addEventListener("abort",n("Abort")),e.upload&&e.upload.addEventListener("progress",t=>{t.lengthComputable&&this.fire("progress",{total:t.total,uploaded:t.loaded})}),e.addEventListener("load",()=>{const t=e.status,n=e.response;if(t<200||t>299)return this.fire("error",n.message||n.error)})}_sendRequest(){const t=new FormData,e=this.xhr;return t.append("file",this.file),new Promise((n,o)=>{e.addEventListener("load",()=>{const t=e.status,i=e.response;return t<200||t>299?i.message?o(new Error(i.message)):o(i.error):n(i)}),e.addEventListener("error",()=>o(new Error("Network Error"))),e.addEventListener("abort",()=>o(new Error("Abort"))),e.send(t)})}}Ie(yl,Ae);var xl=yl;const Al={refreshInterval:36e5,autoRefresh:!0};class Tl{constructor(t,e=Al){if(!t)throw new Error("A `tokenUrl` must be provided as the first constructor argument.");this.set("value",e.initValue),this._refresh="function"==typeof t?t:()=>(function(t){return new Promise((e,n)=>{const o=new XMLHttpRequest;o.open("GET",t),o.addEventListener("load",()=>{const t=o.status,i=o.response;return t<200||t>299?n(new Error("Cannot download new token!")):e(i)}),o.addEventListener("error",()=>n(new Error("Network Error"))),o.addEventListener("abort",()=>n(new Error("Abort"))),o.send()})})(t),this._options=Object.assign({},Al,e)}init(){return new Promise((t,e)=>{this._options.autoRefresh&&this._startRefreshing(),this.value?t(this):this._refreshToken().then(t).catch(e)})}_refreshToken(){return this._refresh().then(t=>this.set("value",t)).then(()=>this)}destroy(){this._stopRefreshing()}_startRefreshing(){this._refreshInterval=setInterval(()=>this._refreshToken(),this._options.refreshInterval)}_stopRefreshing(){clearInterval(this._refreshInterval)}static create(t,e=Al){return new Tl(t,e).init()}}Ie(Tl,on);var Cl=Tl;class Pl extends Ia{static get pluginName(){return"CloudServices"}init(){const t=this.editor.config.get("cloudServices")||{};for(const e in t)this[e]=t[e];if(this.tokenUrl)return this.token=new Pl.Token(this.tokenUrl),this.token.init();this.token=null}}Pl.Token=Cl;class El extends Ia{static get requires(){return[jc,Pl]}init(){const t=this.editor,e=t.plugins.get(Pl),n=e.token,o=e.uploadUrl;n&&(this._uploadGateway=new El._UploadGateway(n,o),t.plugins.get(jc).createUploadAdapter=(t=>new Sl(this._uploadGateway,t)))}}class Sl{constructor(t,e){this.uploadGateway=t,this.loader=e}upload(){return this.loader.file.then(t=>(this.fileUploader=this.uploadGateway.upload(t),this.fileUploader.on("progress",(t,e)=>{this.loader.uploadTotal=e.total,this.loader.uploaded=e.uploaded}),this.fileUploader.send()))}abort(){this.fileUploader.abort()}}El._UploadGateway=class{constructor(t,e){if(!t)throw new Error("Token must be provided");if(!e)throw new Error("Api address must be provided");this._token=t,this._apiAddress=e}upload(t){return new xl(t,this._token,this._apiAddress)}};class Ml extends Eo{constructor(t){super(t),this._observedElements=new Set}observe(t,e){this.document.getRoot(e).on("change:children",(e,n)=>{this.view.once("render",()=>this._updateObservedElements(t,n))})}_updateObservedElements(t,e){if(!e.is("element")||e.is("attributeElement"))return;const n=this.view.domConverter.mapViewToDom(e);if(n){for(const t of n.querySelectorAll("img"))this._observedElements.has(t)||(this.listenTo(t,"load",(t,e)=>this._fireEvents(e)),this._observedElements.add(t));for(const e of this._observedElements)t.contains(e)||(this.stopListening(e),this._observedElements.delete(e))}}_fireEvents(t){this.isEnabled&&(this.document.fire("layoutChanged"),this.document.fire("imageLoaded",t))}destroy(){this._observedElements.clear(),super.destroy()}}function Il(t){return n=>{n.on(`attribute:${t}:image`,e)};function e(t,e,n){if(!n.consumable.consume(e.item,t.name))return;const o=n.writer,i=n.mapper.toViewElement(e.item).getChild(0);null!==e.attributeNewValue?o.setAttribute(e.attributeKey,e.attributeNewValue,i):o.removeAttribute(e.attributeKey,i)}}class Ol{constructor(){this._stack=[]}add(t,e){const n=this._stack,o=n[0];this._insertDescriptor(t);const i=n[0];o===i||Nl(o,i)||this.fire("change:top",{oldDescriptor:o,newDescriptor:i,writer:e})}remove(t,e){const n=this._stack,o=n[0];this._removeDescriptor(t);const i=n[0];o===i||Nl(o,i)||this.fire("change:top",{oldDescriptor:o,newDescriptor:i,writer:e})}_insertDescriptor(t){const e=this._stack,n=e.findIndex(e=>e.id===t.id);if(Nl(t,e[n]))return;n>-1&&e.splice(n,1);let o=0;for(;e[o]&&Rl(e[o],t);)o++;e.splice(o,0,t)}_removeDescriptor(t){const e=this._stack,n=e.findIndex(e=>e.id===t);n>-1&&e.splice(n,1)}}function Nl(t,e){return t&&e&&t.priority==e.priority&&jl(t.classes)==jl(e.classes)}function Rl(t,e){return t.priority>e.priority||!(t.priority<e.priority)&&jl(t.classes)>jl(e.classes)}function jl(t){return Array.isArray(t)?t.sort().join(","):t}Ie(Ol,Ae);var Dl=n(27),Ll=n.n(Dl);const Vl="ck-widget",zl="ck-widget_selected";function Bl(t){return!!t.is("element")&&!!t.getCustomProperty("widget")}function Fl(t,e,n={}){return Mn.isEdge||e.setAttribute("contenteditable","false",t),e.addClass(Vl,t),e.setCustomProperty("widget",!0,t),t.getFillerOffset=Hl,n.label&&function(t,e,n){n.setCustomProperty("widgetLabel",e,t)}(t,n.label,e),n.hasSelectionHandler&&function(t,e){const n=e.createUIElement("div",{class:"ck ck-widget__selection-handler"},function(t){const e=this.toDomElement(t),n=new Ac;return n.set("content",Ll.a),n.render(),e.appendChild(n.element),e});e.insert(e.createPositionAt(t,0),n),e.addClass(["ck-widget_with-selection-handler"],t)}(t,e),function(t,e,n,o){const i=new Ol;i.on("change:top",(e,i)=>{i.oldDescriptor&&o(t,i.oldDescriptor,i.writer),i.newDescriptor&&n(t,i.newDescriptor,i.writer)}),e.setCustomProperty("addHighlight",(t,e,n)=>i.add(e,n),t),e.setCustomProperty("removeHighlight",(t,e,n)=>i.remove(e,n),t)}(t,e,(t,e,n)=>n.addClass(o(e.classes),t),(t,e,n)=>n.removeClass(o(e.classes),t)),t;function o(t){return Array.isArray(t)?t:[t]}}function Ul(t){const e=t.getCustomProperty("widgetLabel");return e?"function"==typeof e?e():e:""}function ql(t,e){return e.addClass(["ck-editor__editable","ck-editor__nested-editable"],t),Mn.isEdge||(e.setAttribute("contenteditable",t.isReadOnly?"false":"true",t),t.on("change:isReadOnly",(n,o,i)=>{e.setAttribute("contenteditable",i?"false":"true",t)})),t.on("change:isFocused",(n,o,i)=>{i?e.addClass("ck-editor__nested-editable_focused",t):e.removeClass("ck-editor__nested-editable_focused",t)}),t}function $l(t,e){const n=t.getSelectedElement();if(n&&e.schema.isBlock(n))return e.createPositionAfter(n);const o=t.getSelectedBlocks().next().value;if(o){if(o.isEmpty)return e.createPositionAt(o,0);const n=e.createPositionAfter(o);return t.focus.isTouching(n)?n:e.createPositionBefore(o)}return t.focus}function Hl(){return null}function Wl(t){const e=t.getSelectedElement();return e&&function(t){return!!t.getCustomProperty("image")&&Bl(t)}(e)?e:null}function Yl(t){return!!t&&t.is("image")}function Gl(t,e,n={}){const o=t.createElement("image",n),i=$l(e.document.selection,e);e.insertContent(o,i),o.parent&&t.setSelection(o,"on")}function Ql(t){const e=t.schema,n=t.document.selection;return function(t,e,n){const o=function(t,e){const n=$l(t,e).parent;return n.isEmpty&&!n.is("$root")?n.parent:n}(t,n);return e.checkChild(o,"image")}(n,e,t)&&!function(t,e){const n=t.getSelectedElement();return n&&e.isObject(n)}(n,e)&&[...n.focus.getAncestors()].every(t=>!t.is("image"))}class Jl extends Da{refresh(){this.isEnabled=Ql(this.editor.model)}execute(t){const e=this.editor.model;e.change(n=>{const o=Array.isArray(t.source)?t.source:[t.source];for(const t of o)Gl(n,e,{src:t})})}}class Kl extends Ia{init(){const t=this.editor,e=t.model.schema,n=t.t,o=t.conversion;t.editing.view.addObserver(Ml),e.register("image",{isObject:!0,isBlock:!0,allowWhere:"$block",allowAttributes:["alt","src","srcset"]}),o.for("dataDowncast").elementToElement({model:"image",view:(t,e)=>Zl(e)}),o.for("editingDowncast").elementToElement({model:"image",view:(t,e)=>(function(t,e,n){return e.setCustomProperty("image",!0,t),Fl(t,e,{label:function(){const e=t.getChild(0).getAttribute("alt");return e?`${e} ${n}`:n}})})(Zl(e),e,n("h"))}),o.for("downcast").add(Il("src")).add(Il("alt")).add(function(){return e=>{e.on("attribute:srcset:image",t)};function t(t,e,n){if(!n.consumable.consume(e.item,t.name))return;const o=n.writer,i=n.mapper.toViewElement(e.item).getChild(0);if(null===e.attributeNewValue){const t=e.attributeOldValue;t.data&&(o.removeAttribute("srcset",i),o.removeAttribute("sizes",i),t.width&&o.removeAttribute("width",i))}else{const t=e.attributeNewValue;t.data&&(o.setAttribute("srcset",t.data,i),o.setAttribute("sizes","100vw",i),t.width&&o.setAttribute("width",t.width,i))}}}()),o.for("upcast").elementToElement({view:{name:"img",attributes:{src:!0}},model:(t,e)=>e.createElement("image",{src:t.getAttribute("src")})}).attributeToAttribute({view:{name:"img",key:"alt"},model:"alt"}).attributeToAttribute({view:{name:"img",key:"srcset"},model:{key:"srcset",value:t=>{const e={data:t.getAttribute("srcset")};return t.hasAttribute("width")&&(e.width=t.getAttribute("width")),e}}}).add(function(){return e=>{e.on("element:figure",t)};function t(t,e,n){if(!n.consumable.test(e.viewItem,{name:!0,classes:"image"}))return;const o=Array.from(e.viewItem.getChildren()).find(t=>t.is("img"));if(!o||!o.hasAttribute("src")||!n.consumable.test(o,{name:!0}))return;const i=n.convertItem(o,e.modelCursor),r=rl(i.modelRange.getItems());r&&(n.convertChildren(e.viewItem,n.writer.createPositionAt(r,0)),e.modelRange=i.modelRange,e.modelCursor=i.modelCursor)}}()),t.commands.add("imageInsert",new Jl(t))}}function Zl(t){const e=t.createEmptyElement("img"),n=t.createContainerElement("figure",{class:"image"});return t.insert(t.createPositionAt(n,0),e),n}class Xl extends Go{constructor(t){super(t),this.domEventType="mousedown"}onDomEvent(t){this.fire(t.type,t)}}n(68);const tu=jn("Ctrl+A");class eu extends Ia{static get pluginName(){return"Widget"}init(){const t=this.editor.editing.view,e=t.document;this._previouslySelected=new Set,this.editor.editing.downcastDispatcher.on("selection",(t,e,n)=>{this._clearPreviouslySelectedWidgets(n.writer);const o=n.writer,i=o.document.selection,r=i.getSelectedElement();let s=null;for(const t of i.getRanges())for(const e of t){const t=e.item;Bl(t)&&!nu(t,s)&&(o.addClass(zl,t),this._previouslySelected.add(t),s=t,t==r&&o.setSelection(i.getRanges(),{fake:!0,label:Ul(r)}))}},{priority:"low"}),t.addObserver(Xl),this.listenTo(e,"mousedown",(...t)=>this._onMousedown(...t)),this.listenTo(e,"keydown",(...t)=>this._onKeydown(...t),{priority:"high"}),this.listenTo(e,"delete",(t,e)=>{this._handleDelete("forward"==e.direction)&&(e.preventDefault(),t.stop())},{priority:"high"})}_onMousedown(t,e){const n=this.editor,o=n.editing.view,i=o.document;let r=e.target;if(function(t){for(;t;){if(t.is("editableElement")&&!t.is("rootElement"))return!0;if(Bl(t))return!1;t=t.parent}return!1}(r)){if(Mn.isSafari&&e.domEvent.detail>=3){const t=n.editing.mapper.toModelElement(r);this.editor.model.change(n=>{e.preventDefault(),n.setSelection(t,"in")})}return}if(!Bl(r)&&!(r=r.findAncestor(Bl)))return;e.preventDefault(),i.isFocused||o.focus();const s=n.editing.mapper.toModelElement(r);this._setSelectionOverElement(s)}_onKeydown(t,e){const n=e.keyCode,o=n==Nn.arrowdown||n==Nn.arrowright;let i=!1;!function(t){return t==Nn.arrowright||t==Nn.arrowleft||t==Nn.arrowup||t==Nn.arrowdown}(n)?Rn(e)!=tu?n===Nn.enter&&(i=this._handleEnterKey(e.shiftKey)):i=this._selectAllNestedEditableContent()||this._selectAllContent():i=this._handleArrowKeys(o),i&&(e.preventDefault(),t.stop())}_handleDelete(t){if(this.editor.isReadOnly)return;const e=this.editor.model.document.selection;if(!e.isCollapsed)return;const n=this._getObjectElementNextToSelection(t);return n?(this.editor.model.change(t=>{let o=e.anchor.parent;for(;o.isEmpty;){const e=o;o=e.parent,t.remove(e)}this._setSelectionOverElement(n)}),!0):void 0}_handleArrowKeys(t){const e=this.editor.model,n=e.schema,o=e.document.selection,i=o.getSelectedElement();if(i&&n.isObject(i)){const i=t?o.getLastPosition():o.getFirstPosition(),r=n.getNearestSelectionRange(i,t?"forward":"backward");return r&&e.change(t=>{t.setSelection(r)}),!0}if(!o.isCollapsed)return;const r=this._getObjectElementNextToSelection(t);return r&&n.isObject(r)?(this._setSelectionOverElement(r),!0):void 0}_handleEnterKey(t){const e=this.editor.model,n=e.document.selection.getSelectedElement();if(function(t,e){return t&&e.isObject(t)&&!e.isInline(t)}(n,e.schema))return e.change(o=>{let i=o.createPositionAt(n,t?"before":"after");const r=o.createElement("paragraph");if(e.schema.isBlock(n.parent)){const t=e.schema.findAllowedParent(i,r);i=o.split(i,t).position}o.insert(r,i),o.setSelection(r,"in")}),!0}_selectAllNestedEditableContent(){const t=this.editor.model,e=t.document.selection,n=t.schema.getLimitElement(e);return e.getFirstRange().root!=n&&(t.change(t=>{t.setSelection(t.createRangeIn(n))}),!0)}_selectAllContent(){const t=this.editor.model,e=this.editor.editing,n=e.view.document.selection.getSelectedElement();if(n&&Bl(n)){const o=e.mapper.toModelElement(n.parent);return t.change(t=>{t.setSelection(t.createRangeIn(o))}),!0}return!1}_setSelectionOverElement(t){this.editor.model.change(e=>{e.setSelection(e.createRangeOn(t))})}_getObjectElementNextToSelection(t){const e=this.editor.model,n=e.schema,o=e.document.selection,i=e.createSelection(o);e.modifySelection(i,{direction:t?"forward":"backward"});const r=t?i.focus.nodeBefore:i.focus.nodeAfter;return r&&n.isObject(r)?r:null}_clearPreviouslySelectedWidgets(t){for(const e of this._previouslySelected)t.removeClass(zl,e);this._previouslySelected.clear()}}function nu(t,e){return!!e&&Array.from(t.getAncestors()).includes(e)}class ou extends Da{refresh(){const t=this.editor.model.document.selection.getSelectedElement();this.isEnabled=Yl(t),Yl(t)&&t.hasAttribute("alt")?this.value=t.getAttribute("alt"):this.value=!1}execute(t){const e=this.editor.model,n=e.document.selection.getSelectedElement();e.change(e=>{e.setAttribute("alt",t.newValue,n)})}}class iu extends Ia{init(){this.editor.commands.add("imageTextAlternative",new ou(this.editor))}}function ru({emitter:t,activator:e,callback:n,contextElements:o}){t.listenTo(document,"mousedown",(t,{target:i})=>{if(e()){for(const t of o)if(t.contains(i))return;n()}})}n(70);class su extends ga{constructor(t,e){super(t);const n=`ck-input-${ve()}`,o=`ck-status-${ve()}`;this.set("label"),this.set("value"),this.set("isReadOnly",!1),this.set("errorText",null),this.set("infoText",null),this.labelView=this._createLabelView(n),this.inputView=this._createInputView(e,n,o),this.statusView=this._createStatusView(o),this.bind("_statusText").to(this,"errorText",this,"infoText",(t,e)=>t||e);const i=this.bindTemplate;this.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-input",i.if("isReadOnly","ck-disabled")]},children:[this.labelView,this.inputView,this.statusView]})}_createLabelView(t){const e=new wa(this.locale);return e.for=t,e.bind("text").to(this,"label"),e}_createInputView(t,e,n){const o=new t(this.locale,n);return o.id=e,o.ariaDescribedById=n,o.bind("value").to(this),o.bind("isReadOnly").to(this),o.bind("hasError").to(this,"errorText",t=>!!t),o.on("input",()=>{this.errorText=null}),o}_createStatusView(t){const e=new ga(this.locale),n=this.bindTemplate;return e.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-input__status",n.if("errorText","ck-labeled-input__status_error"),n.if("_statusText","ck-hidden",t=>!t)],id:t},children:[{text:n.to("_statusText")}]}),e}select(){this.inputView.select()}focus(){this.inputView.focus()}}n(72);class au extends ga{constructor(t){super(t),this.set("value"),this.set("id"),this.set("placeholder"),this.set("isReadOnly",!1),this.set("hasError",!1),this.set("ariaDescribedById");const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{type:"text",class:["ck","ck-input","ck-input-text",e.if("hasError","ck-error")],id:e.to("id"),placeholder:e.to("placeholder"),readonly:e.to("isReadOnly"),"aria-invalid":e.if("hasError",!0),"aria-describedby":e.to("ariaDescribedById")},on:{input:e.to("input")}})}render(){super.render();const t=t=>{this.element.value=t||0===t?t:""};t(this.value),this.on("change:value",(e,n,o)=>{t(o)})}select(){this.element.select()}focus(){this.element.focus()}}function cu({view:t}){t.listenTo(t.element,"submit",(e,n)=>{n.preventDefault(),t.fire("submit")},{useCapture:!0})}var lu=n(7),uu=n.n(lu),du=n(8),hu=n.n(du);n(74);class fu extends ga{constructor(t){super(t);const e=this.locale.t;this.focusTracker=new Us,this.keystrokes=new Ns,this.labeledInput=this._createLabeledInputView(),this.saveButtonView=this._createButton(e("ay"),uu.a,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(e("az"),hu.a,"ck-button-cancel","cancel"),this._focusables=new Js,this._focusCycler=new Ta({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"form",attributes:{class:["ck","ck-text-alternative-form"],tabindex:"-1"},children:[this.labeledInput,this.saveButtonView,this.cancelButtonView]})}render(){super.render(),this.keystrokes.listenTo(this.element),cu({view:this}),[this.labeledInput,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)})}_createButton(t,e,n,o){const i=new Cc(this.locale);return i.set({label:t,icon:e,tooltip:!0}),i.extendTemplate({attributes:{class:n}}),o&&i.delegate("execute").to(this,o),i}_createLabeledInputView(){const t=this.locale.t,e=new su(this.locale,au);return e.label=t("bt"),e.inputView.placeholder=t("bt"),e}}function pu({element:t,target:e,positions:n,limiter:o,fitInViewport:i}){P(e)&&(e=e()),P(o)&&(o=o());const r=function(t){for(;t&&"html"!=t.tagName.toLowerCase();){if("static"!=wo.window.getComputedStyle(t).position)return t;t=t.parentElement}return null}(t.parentElement),s=new pi(t),a=new pi(e);let c,l;if(o||i){const t=o&&new pi(o).getVisible(),e=i&&new pi(wo.window);[l,c]=function(t,e,n,o,i){let r,s,a=0,c=0;const l=n.getArea();return t.some(t=>{const[u,d]=mu(t,e,n);let h,f;if(o)if(i){const t=o.getIntersection(i);h=t?t.getIntersectionArea(d):0}else h=o.getIntersectionArea(d);function p(){c=f,a=h,r=d,s=u}return i&&(f=i.getIntersectionArea(d)),i&&!o?f>c&&p():!i&&o?h>a&&p():f>c&&h>=a?p():f>=c&&h>a&&p(),h===l}),r?[s,r]:null}(n,a,s,t,e)||mu(n[0],a,s)}else[l,c]=mu(n[0],a,s);let{left:u,top:d}=gu(c);if(r){const t=gu(new pi(r)),e=hi(r);u-=t.left,d-=t.top,u+=r.scrollLeft,d+=r.scrollTop,u-=e.left,d-=e.top}return{left:u,top:d,name:l}}function mu(t,e,n){const{left:o,top:i,name:r}=t(e,n);return[r,n.clone().moveTo(o,i)]}function gu({left:t,top:e}){const{scrollX:n,scrollY:o}=wo.window;return{left:t+n,top:e+o}}n(76);const bu=ya("px"),wu=wo.document.body;class _u extends ga{constructor(t){super(t);const e=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("position","arrow_nw"),this.set("isVisible",!1),this.set("withArrow",!0),this.set("class"),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-panel",e.to("position",t=>`ck-balloon-panel_${t}`),e.if("isVisible","ck-balloon-panel_visible"),e.if("withArrow","ck-balloon-panel_with-arrow"),e.to("class")],style:{top:e.to("top",bu),left:e.to("left",bu)}},children:this.content})}show(){this.isVisible=!0}hide(){this.isVisible=!1}attachTo(t){this.show();const e=_u.defaultPositions,n=Object.assign({},{element:this.element,positions:[e.southArrowNorth,e.southArrowNorthWest,e.southArrowNorthEast,e.northArrowSouth,e.northArrowSouthWest,e.northArrowSouthEast],limiter:wu,fitInViewport:!0},t),o=_u._getOptimalPosition(n),i=parseInt(o.left),r=parseInt(o.top),s=o.name;Object.assign(this,{top:r,left:i,position:s})}pin(t){this.unpin(),this._pinWhenIsVisibleCallback=(()=>{this.isVisible?this._startPinning(t):this._stopPinning()}),this._startPinning(t),this.listenTo(this,"change:isVisible",this._pinWhenIsVisibleCallback)}unpin(){this._pinWhenIsVisibleCallback&&(this._stopPinning(),this.stopListening(this,"change:isVisible",this._pinWhenIsVisibleCallback),this._pinWhenIsVisibleCallback=null,this.hide())}_startPinning(t){this.attachTo(t);const e=vu(t.target),n=t.limiter?vu(t.limiter):wu;this.listenTo(wo.document,"scroll",(o,i)=>{const r=i.target,s=e&&r.contains(e),a=n&&r.contains(n);!s&&!a&&e&&n||this.attachTo(t)},{useCapture:!0}),this.listenTo(wo.window,"resize",()=>{this.attachTo(t)})}_stopPinning(){this.stopListening(wo.document,"scroll"),this.stopListening(wo.window,"resize")}}function vu(t){return pe(t)?t:di(t)?t.commonAncestorContainer:"function"==typeof t?vu(t()):null}function ku(t,e){return t.top-e.height-_u.arrowVerticalOffset}function yu(t){return t.bottom+_u.arrowVerticalOffset}_u.arrowHorizontalOffset=25,_u.arrowVerticalOffset=10,_u._getOptimalPosition=pu,_u.defaultPositions={northArrowSouth:(t,e)=>({top:ku(t,e),left:t.left+t.width/2-e.width/2,name:"arrow_s"}),northArrowSouthEast:(t,e)=>({top:ku(t,e),left:t.left+t.width/2-e.width+_u.arrowHorizontalOffset,name:"arrow_se"}),northArrowSouthWest:(t,e)=>({top:ku(t,e),left:t.left+t.width/2-_u.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouth:(t,e)=>({top:ku(t,e),left:t.left-e.width/2,name:"arrow_s"}),northWestArrowSouthWest:(t,e)=>({top:ku(t,e),left:t.left-_u.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouthEast:(t,e)=>({top:ku(t,e),left:t.left-e.width+_u.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouth:(t,e)=>({top:ku(t,e),left:t.right-e.width/2,name:"arrow_s"}),northEastArrowSouthEast:(t,e)=>({top:ku(t,e),left:t.right-e.width+_u.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouthWest:(t,e)=>({top:ku(t,e),left:t.right-_u.arrowHorizontalOffset,name:"arrow_sw"}),southArrowNorth:(t,e)=>({top:yu(t),left:t.left+t.width/2-e.width/2,name:"arrow_n"}),southArrowNorthEast:(t,e)=>({top:yu(t),left:t.left+t.width/2-e.width+_u.arrowHorizontalOffset,name:"arrow_ne"}),southArrowNorthWest:(t,e)=>({top:yu(t),left:t.left+t.width/2-_u.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorth:(t,e)=>({top:yu(t),left:t.left-e.width/2,name:"arrow_n"}),southWestArrowNorthWest:(t,e)=>({top:yu(t),left:t.left-_u.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorthEast:(t,e)=>({top:yu(t),left:t.left-e.width+_u.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorth:(t,e)=>({top:yu(t),left:t.right-e.width/2,name:"arrow_n"}),southEastArrowNorthEast:(t,e)=>({top:yu(t),left:t.right-e.width+_u.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorthWest:(t,e)=>({top:yu(t),left:t.right-_u.arrowHorizontalOffset,name:"arrow_nw"})};var xu=n(28),Au=n.n(xu),Tu=n(29),Cu=n.n(Tu);n(78),n(80);const Pu=ya("px");class Eu extends Ia{static get pluginName(){return"ContextualBalloon"}constructor(t){super(t),this.positionLimiter=(()=>{const t=this.editor.editing.view,e=t.document.selection.editableElement;return e?t.domConverter.mapViewToDom(e.root):null}),this.set("visibleView",null),this.view=new _u(t.locale),t.ui.view.body.add(this.view),t.ui.focusTracker.add(this.view.element),this._viewToStack=new Map,this._idToStack=new Map,this.set("_numberOfStacks",0),this.set("_singleViewMode",!1),this._rotatorView=this._createRotatorView(),this._fakePanelsView=this._createFakePanelsView()}hasView(t){return Array.from(this._viewToStack.keys()).includes(t)}add(t){if(this.hasView(t.view))throw new be.b("contextualballoon-add-view-exist: Cannot add configuration of the same view twice.");const e=t.stackId||"main";if(!this._idToStack.has(e))return this._idToStack.set(e,new Map([[t.view,t]])),this._viewToStack.set(t.view,this._idToStack.get(e)),this._numberOfStacks=this._idToStack.size,void(this._visibleStack&&!t.singleViewMode||this.showStack(e));const n=this._idToStack.get(e);t.singleViewMode&&this.showStack(e),n.set(t.view,t),this._viewToStack.set(t.view,n),n===this._visibleStack&&this._showView(t)}remove(t){if(!this.hasView(t))throw new be.b("contextualballoon-remove-view-not-exist: Cannot remove configuration of not existing view.");const e=this._viewToStack.get(t);this._singleViewMode&&this.visibleView===t&&(this._singleViewMode=!1),this.visibleView===t&&(1===e.size?this._idToStack.size>1?this._showNextStack():(this.view.hide(),this.visibleView=null,this._rotatorView.hideView()):this._showView(Array.from(e.values())[e.size-2])),1===e.size?(this._idToStack.delete(this._getStackId(e)),this._numberOfStacks=this._idToStack.size):e.delete(t),this._viewToStack.delete(t)}updatePosition(t){t&&(this._visibleStack.get(this.visibleView).position=t),this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition()}showStack(t){this.visibleStack=t;const e=this._idToStack.get(t);if(!e)throw new be.b("contextualballoon-showstack-stack-not-exist: Cannot show not existing stack.");this._visibleStack!==e&&this._showView(Array.from(e.values()).pop())}get _visibleStack(){return this._viewToStack.get(this.visibleView)}_getStackId(t){return Array.from(this._idToStack.entries()).find(e=>e[1]===t)[0]}_showNextStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)+1;t[e]||(e=0),this.showStack(this._getStackId(t[e]))}_showPrevStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)-1;t[e]||(e=t.length-1),this.showStack(this._getStackId(t[e]))}_createRotatorView(){const t=new Su(this.editor.locale),e=this.editor.locale.t;return this.view.content.add(t),t.bind("isNavigationVisible").to(this,"_numberOfStacks",this,"_singleViewMode",(t,e)=>!e&&t>1),t.on("change:isNavigationVisible",()=>this.updatePosition(),{priority:"low"}),t.bind("counter").to(this,"visibleView",this,"_numberOfStacks",(t,n)=>{if(n<2)return"";const o=Array.from(this._idToStack.values()).indexOf(this._visibleStack)+1;return e("bi",[o,n])}),t.buttonNextView.on("execute",()=>{t.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showNextStack()}),t.buttonPrevView.on("execute",()=>{t.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showPrevStack()}),t}_createFakePanelsView(){const t=new Mu(this.editor.locale,this.view);return t.bind("numberOfPanels").to(this,"_numberOfStacks",this,"_singleViewMode",(t,e)=>!e&&t>=2?Math.min(t-1,2):0),t.listenTo(this.view,"change:top",()=>t.updatePosition()),t.listenTo(this.view,"change:left",()=>t.updatePosition()),this.editor.ui.view.body.add(t),t}_showView({view:t,balloonClassName:e="",withArrow:n=!0,singleViewMode:o=!1}){this.view.class=e,this.view.withArrow=n,this._rotatorView.showView(t),this.visibleView=t,this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition(),o&&(this._singleViewMode=!0)}_getBalloonPosition(){let t=Array.from(this._visibleStack.values()).pop().position;return t&&!t.limiter&&(t=Object.assign({},t,{limiter:this.positionLimiter})),t}}class Su extends ga{constructor(t){super(t);const e=t.t,n=this.bindTemplate;this.set("isNavigationVisible",!0),this.focusTracker=new Us,this.buttonPrevView=this._createButtonView(e("bj"),Au.a),this.buttonNextView=this._createButtonView(e("bk"),Cu.a),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-rotator"],"z-index":"-1"},children:[{tag:"div",attributes:{class:["ck-balloon-rotator__navigation",n.to("isNavigationVisible",t=>t?"":"ck-hidden")]},children:[this.buttonPrevView,{tag:"span",attributes:{class:["ck-balloon-rotator__counter"]},children:[{text:n.to("counter")}]},this.buttonNextView]},{tag:"div",attributes:{class:"ck-balloon-rotator__content"},children:this.content}]})}render(){super.render(),this.focusTracker.add(this.element)}showView(t){this.hideView(),this.content.add(t)}hideView(){this.content.clear()}_createButtonView(t,e){const n=new Cc(this.locale);return n.set({label:t,icon:e,tooltip:!0}),n}}class Mu extends ga{constructor(t,e){super(t);const n=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("height",0),this.set("width",0),this.set("numberOfPanels",0),this.content=this.createCollection(),this._balloonPanelView=e,this.setTemplate({tag:"div",attributes:{class:["ck-fake-panel",n.to("numberOfPanels",t=>t?"":"ck-hidden")],style:{top:n.to("top",Pu),left:n.to("left",Pu),width:n.to("width",Pu),height:n.to("height",Pu)}},children:this.content}),this.on("change:numberOfPanels",(t,e,n,o)=>{n>o?this._addPanels(n-o):this._removePanels(o-n),this.updatePosition()})}_addPanels(t){for(;t--;){const t=new ga;t.setTemplate({tag:"div"}),this.content.add(t),this.registerChild(t)}}_removePanels(t){for(;t--;){const t=this.content.last;this.content.remove(t),this.deregisterChild(t),t.destroy()}}updatePosition(){if(this.numberOfPanels){const{top:t,left:e}=this._balloonPanelView,{width:n,height:o}=new pi(this._balloonPanelView.element);Object.assign(this,{top:t,left:e,width:n,height:o})}}}var Iu=n(30),Ou=n.n(Iu);function Nu(t){const e=t.editing.view,n=_u.defaultPositions;return{target:e.domConverter.viewToDom(e.document.selection.getSelectedElement()),positions:[n.northArrowSouth,n.northArrowSouthWest,n.northArrowSouthEast,n.southArrowNorth,n.southArrowNorthWest,n.southArrowNorthEast]}}class Ru extends Ia{static get requires(){return[Eu]}static get pluginName(){return"ImageTextAlternativeUI"}init(){this._createButton(),this._createForm()}destroy(){super.destroy(),this._form.destroy()}_createButton(){const t=this.editor,e=t.t;t.ui.componentFactory.add("imageTextAlternative",n=>{const o=t.commands.get("imageTextAlternative"),i=new Cc(n);return i.set({label:e("bl"),icon:Ou.a,tooltip:!0}),i.bind("isEnabled").to(o,"isEnabled"),this.listenTo(i,"execute",()=>this._showForm()),i})}_createForm(){const t=this.editor,e=t.editing.view.document;this._balloon=this.editor.plugins.get("ContextualBalloon"),this._form=new fu(t.locale),this._form.render(),this.listenTo(this._form,"submit",()=>{t.execute("imageTextAlternative",{newValue:this._form.labeledInput.inputView.element.value}),this._hideForm(!0)}),this.listenTo(this._form,"cancel",()=>{this._hideForm(!0)}),this._form.keystrokes.set("Esc",(t,e)=>{this._hideForm(!0),e()}),this.listenTo(t.ui,"update",()=>{Wl(e.selection)?this._isVisible&&function(t){const e=t.plugins.get("ContextualBalloon");if(Wl(t.editing.view.document.selection)){const n=Nu(t);e.updatePosition(n)}}(t):this._hideForm(!0)}),ru({emitter:this._form,activator:()=>this._isVisible,contextElements:[this._balloon.view.element],callback:()=>this._hideForm()})}_showForm(){if(this._isVisible)return;const t=this.editor,e=t.commands.get("imageTextAlternative"),n=this._form.labeledInput;this._balloon.hasView(this._form)||this._balloon.add({view:this._form,position:Nu(t)}),n.value=n.inputView.element.value=e.value||"",this._form.labeledInput.select()}_hideForm(t){this._isVisible&&(this._form.saveButtonView.focus(),this._balloon.remove(this._form),t&&this.editor.editing.view.focus())}get _isVisible(){return this._balloon.visibleView==this._form}}class ju extends Ia{static get requires(){return[iu,Ru]}static get pluginName(){return"ImageTextAlternative"}}n(82);class Du extends Ia{static get requires(){return[Kl,eu,ju]}static get pluginName(){return"Image"}}class Lu extends ga{constructor(t){super(t),this.buttonView=new Cc(t),this._fileInputView=new Vu(t),this._fileInputView.bind("acceptedType").to(this),this._fileInputView.bind("allowMultipleFiles").to(this),this._fileInputView.delegate("done").to(this),this.setTemplate({tag:"span",attributes:{class:"ck-file-dialog-button"},children:[this.buttonView,this._fileInputView]}),this.buttonView.on("execute",()=>{this._fileInputView.open()})}focus(){this.buttonView.focus()}}class Vu extends ga{constructor(t){super(t),this.set("acceptedType"),this.set("allowMultipleFiles",!1);const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{class:["ck-hidden"],type:"file",tabindex:"-1",accept:e.to("acceptedType"),multiple:e.to("allowMultipleFiles")},on:{change:e.to(()=>{this.element&&this.element.files&&this.element.files.length&&this.fire("done",this.element.files),this.element.value=""})}})}open(){this.element.click()}}var zu=n(31),Bu=n.n(zu);function Fu(t){return/^image\/(jpeg|png|gif|bmp)$/.test(t.type)}class Uu extends Ia{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("imageUpload",n=>{const o=new Lu(n),i=t.commands.get("imageUpload");return o.set({acceptedType:"image/*",allowMultipleFiles:!0}),o.buttonView.set({label:e("i"),icon:Bu.a,tooltip:!0}),o.buttonView.bind("isEnabled").to(i),o.on("done",(e,n)=>{const o=Array.from(n).filter(Fu);o.length&&t.execute("imageUpload",{file:o})}),o})}}var qu=n(32),$u=n.n(qu);n(84),n(86),n(88);class Hu extends Ia{constructor(t){super(t),this.placeholder="data:image/svg+xml;utf8,"+encodeURIComponent($u.a)}init(){this.editor.editing.downcastDispatcher.on("attribute:uploadStatus:image",(...t)=>this.uploadStatusChange(...t))}uploadStatusChange(t,e,n){const o=this.editor,i=e.item,r=i.getAttribute("uploadId");if(!n.consumable.consume(e.item,t.name))return;const s=o.plugins.get(jc),a=r?e.attributeNewValue:null,c=this.placeholder,l=o.editing.mapper.toViewElement(i),u=n.writer;if("reading"==a)return Wu(l,u),void Yu(c,l,u);if("uploading"==a){const t=s.loaders.get(r);return Wu(l,u),void(t?(Gu(l,u),function(t,e,n,o){const i=function(t){const e=t.createUIElement("div",{class:"ck-progress-bar"});return t.setCustomProperty("progressBar",!0,e),e}(e);e.insert(e.createPositionAt(t,"end"),i),n.on("change:uploadedPercent",(t,e,n)=>{o.change(t=>{t.setStyle("width",n+"%",i)})})}(l,u,t,o.editing.view)):Yu(c,l,u))}"complete"==a&&s.loaders.get(r)&&!Mn.isEdge&&function(t,e,n){const o=e.createUIElement("div",{class:"ck-image-upload-complete-icon"});e.insert(e.createPositionAt(t,"end"),o),setTimeout(()=>{n.change(t=>t.remove(t.createRangeOn(o)))},3e3)}(l,u,o.editing.view),Ju(l,u,"progressBar"),Gu(l,u),function(t,e){u.removeClass("ck-appear",t)}(l)}}function Wu(t,e){t.hasClass("ck-appear")||e.addClass("ck-appear",t)}function Yu(t,e,n){e.hasClass("ck-image-upload-placeholder")||n.addClass("ck-image-upload-placeholder",e);const o=e.getChild(0);o.getAttribute("src")!==t&&n.setAttribute("src",t,o),Qu(e,"placeholder")||n.insert(n.createPositionAfter(o),function(t){const e=t.createUIElement("div",{class:"ck-upload-placeholder-loader"});return t.setCustomProperty("placeholder",!0,e),e}(n))}function Gu(t,e){t.hasClass("ck-image-upload-placeholder")&&e.removeClass("ck-image-upload-placeholder",t),Ju(t,e,"placeholder")}function Qu(t,e){for(const n of t.getChildren())if(n.getCustomProperty(e))return n}function Ju(t,e,n){const o=Qu(t,n);o&&e.remove(e.createRangeOn(o))}class Ku{createDocumentFragment(t){return new zn(t)}createElement(t,e,n){return new Fe(t,e,n)}createText(t){return new je(t)}clone(t,e=!1){return t._clone(e)}appendChild(t,e){return e._appendChild(t)}insertChild(t,e,n){return n._insertChild(t,e)}removeChildren(t,e,n){return n._removeChildren(t,e)}remove(t){const e=t.parent;return e?this.removeChildren(e.getChildIndex(t),1,e):[]}replace(t,e){const n=t.parent;if(n){const o=n.getChildIndex(t);return this.removeChildren(o,1,n),this.insertChild(o,e,n),!0}return!1}rename(t,e){const n=new Fe(t,e.getAttributes(),e.getChildren());return this.replace(e,n)?n:null}setAttribute(t,e,n){n._setAttribute(t,e)}removeAttribute(t,e){e._removeAttribute(t)}addClass(t,e){e._addClass(t)}removeClass(t,e){e._removeClass(t)}setStyle(t,e,n){v(t)&&void 0===n&&(n=e),n._setStyle(t,e)}removeStyle(t,e){e._removeStyle(t)}setCustomProperty(t,e,n){n._setCustomProperty(t,e)}removeCustomProperty(t,e){return e._removeCustomProperty(t)}createPositionAt(t,e){return mn._createAt(t,e)}createPositionAfter(t){return mn._createAfter(t)}createPositionBefore(t){return mn._createBefore(t)}createRange(t,e){return new gn(t,e)}createRangeOn(t){return gn._createOn(t)}createRangeIn(t){return gn._createIn(t)}createSelection(t,e,n){return new _n(t,e,n)}}class Zu extends Da{refresh(){this.isEnabled=Ql(this.editor.model)}execute(t){const e=this.editor,n=e.model,o=e.plugins.get(jc);n.change(e=>{const i=Array.isArray(t.file)?t.file:[t.file];for(const t of i)Xu(e,n,o,t)})}}function Xu(t,e,n,o){const i=n.createLoader(o);i&&Gl(t,e,{uploadId:i.id})}class td extends Ia{static get requires(){return[jc,bl]}init(){const t=this.editor,e=t.model.document,n=t.model.schema,o=t.conversion,i=t.plugins.get(jc);n.extend("image",{allowAttributes:["uploadId","uploadStatus"]}),t.commands.add("imageUpload",new Zu(t)),o.for("upcast").attributeToAttribute({view:{name:"img",key:"uploadId"},model:"uploadId"}),this.listenTo(t.editing.view.document,"clipboardInput",(e,n)=>{if(function(t){return Array.from(t.types).includes("text/html")&&""!==t.getData("text/html")}(n.dataTransfer))return;const o=Array.from(n.dataTransfer.files).filter(t=>!!t&&Fu(t)),i=n.targetRanges.map(e=>t.editing.mapper.toModelRange(e));t.model.change(n=>{n.setSelection(i),o.length&&(e.stop(),t.model.enqueueChange("default",()=>{t.execute("imageUpload",{file:o})}))})}),t.plugins.has("Clipboard")&&this.listenTo(t.plugins.get("Clipboard"),"inputTransformation",(e,n)=>{const o=Array.from(t.editing.view.createRangeIn(n.content)).filter(t=>(function(t){return!(!t.is("element","img")||!t.getAttribute("src"))&&(t.getAttribute("src").match(/^data:image\/\w+;base64,/g)||t.getAttribute("src").match(/^blob:/g))})(t.item)&&!t.item.getAttribute("uploadProcessed")).map(t=>({promise:function(t){return new Promise((e,n)=>{const o=t.getAttribute("src");fetch(o).then(t=>t.blob()).then(t=>{const i=function(t,e){return t.type?t.type:e.match(/data:(image\/\w+);base64/)?e.match(/data:(image\/\w+);base64/)[1].toLowerCase():"image/jpeg"}(t,o),r=function(t,e,n){try{return new File([t],e,{type:n})}catch(t){return null}}(t,`image.${i.replace("image/","")}`,i);r?e(r):n()}).catch(n)})}(t.item),imageElement:t.item}));if(!o.length)return;const r=new Ku;for(const t of o){r.setAttribute("uploadProcessed",!0,t.imageElement);const e=i.createLoader(t.promise);e&&(r.setAttribute("src","",t.imageElement),r.setAttribute("uploadId",e.id,t.imageElement))}}),t.editing.view.document.on("dragover",(t,e)=>{e.preventDefault()}),e.on("change",()=>{const t=e.differ.getChanges({includeChangesInGraveyard:!0});for(const e of t)if("insert"==e.type&&"image"==e.name){const t=e.position.nodeAfter,n="$graveyard"==e.position.root.rootName,o=t.getAttribute("uploadId");if(!o)continue;const r=i.loaders.get(o);if(!r)continue;n?r.abort():"idle"==r.status&&this._readAndUpload(r,t)}})}_readAndUpload(t,e){const n=this.editor,o=n.model,i=n.locale.t,r=n.plugins.get(jc),s=n.plugins.get(bl);return o.enqueueChange("transparent",t=>{t.setAttribute("uploadStatus","reading",e)}),t.read().then(i=>{const r=n.editing.mapper.toViewElement(e).getChild(0),s=t.upload();return n.editing.view.change(t=>{t.setAttribute("src",i,r)}),o.enqueueChange("transparent",t=>{t.setAttribute("uploadStatus","uploading",e)}),s}).then(t=>{o.enqueueChange("transparent",n=>{n.setAttributes({uploadStatus:"complete",src:t.default},e),this._parseAndSetSrcsetAttributeOnImage(t,e,n)}),a()}).catch(n=>{if("error"!==t.status&&"aborted"!==t.status)throw n;"error"==t.status&&n&&s.showWarning(n,{title:i("ai"),namespace:"upload"}),a(),o.enqueueChange("transparent",t=>{t.remove(e)})});function a(){o.enqueueChange("transparent",t=>{t.removeAttribute("uploadId",e),t.removeAttribute("uploadStatus",e)}),r.destroyLoader(t)}}_parseAndSetSrcsetAttributeOnImage(t,e,n){let o=0;const i=Object.keys(t).filter(t=>{const e=parseInt(t,10);if(!isNaN(e))return o=Math.max(o,e),!0}).map(e=>`${t[e]} ${e}w`).join(", ");""!=i&&n.setAttribute("srcset",{data:i,width:o},e)}}class ed extends Ia{static get pluginName(){return"ImageUpload"}static get requires(){return[td,Uu,Hu]}}class nd extends Da{refresh(){const t=this.editor.model,e=rl(t.document.selection.getSelectedBlocks());this.value=!!e&&e.is("paragraph"),this.isEnabled=!!e&&od(e,t.schema)}execute(t={}){const e=this.editor.model,n=e.document;e.change(o=>{const i=(t.selection||n.selection).getSelectedBlocks();for(const t of i)!t.is("paragraph")&&od(t,e.schema)&&o.rename(t,"paragraph")})}}function od(t,e){return e.checkChild(t.parent,"paragraph")&&!e.isObject(t)}class id extends Ia{static get pluginName(){return"Paragraph"}init(){const t=this.editor,e=t.model,n=t.data;t.commands.add("paragraph",new nd(t)),e.schema.register("paragraph",{inheritAllFrom:"$block"}),t.conversion.elementToElement({model:"paragraph",view:"p"}),t.conversion.for("upcast").elementToElement({model:(t,e)=>id.paragraphLikeElements.has(t.name)?t.isEmpty?null:e.createElement("paragraph"):null,converterPriority:"low"}),n.upcastDispatcher.on("element",(t,e,n)=>{n.consumable.test(e.viewItem,{name:e.viewItem.name})&&sd(e.viewItem,e.modelCursor,n.schema)&&Object.assign(e,rd(e.viewItem,e.modelCursor,n))},{priority:"low"}),n.upcastDispatcher.on("text",(t,e,n)=>{e.modelRange||sd(e.viewItem,e.modelCursor,n.schema)&&Object.assign(e,rd(e.viewItem,e.modelCursor,n))},{priority:"lowest"}),e.document.registerPostFixer(t=>this._autoparagraphEmptyRoots(t)),t.data.on("ready",()=>{e.enqueueChange("transparent",t=>this._autoparagraphEmptyRoots(t))},{priority:"lowest"})}_autoparagraphEmptyRoots(t){const e=this.editor.model;for(const n of e.document.getRootNames()){const o=e.document.getRoot(n);if(o.isEmpty&&"$graveyard"!=o.rootName&&e.schema.checkChild(o,"paragraph"))return t.insertElement("paragraph",o),!0}}}function rd(t,e,n){const o=n.writer.createElement("paragraph");return n.writer.insert(o,e),n.convertItem(t,n.writer.createPositionAt(o,0))}function sd(t,e,n){const o=n.createContext(e);return!!n.checkChild(o,"paragraph")&&!!n.checkChild(o.push("paragraph"),t)}id.paragraphLikeElements=new Set(["blockquote","dd","div","dt","h1","h2","h3","h4","h5","h6","li","p","td"]);class ad extends Da{constructor(t,e){super(t),this.modelElements=e}refresh(){const t=rl(this.editor.model.document.selection.getSelectedBlocks());this.value=!!t&&this.modelElements.includes(t.name)&&t.name,this.isEnabled=!!t&&this.modelElements.some(e=>cd(t,e,this.editor.model.schema))}execute(t){const e=this.editor.model,n=e.document,o=t.value;e.change(t=>{const i=Array.from(n.selection.getSelectedBlocks()).filter(t=>cd(t,o,e.schema));for(const e of i)e.is(o)||t.rename(e,o)})}}function cd(t,e,n){return n.checkChild(t.parent,e)&&!n.isObject(t)}const ld="paragraph";class ud extends Ia{constructor(t){super(t),t.config.define("heading",{options:[{model:"paragraph",title:"Paragraph",class:"ck-heading_paragraph"},{model:"heading1",view:"h2",title:"Heading 1",class:"ck-heading_heading1"},{model:"heading2",view:"h3",title:"Heading 2",class:"ck-heading_heading2"},{model:"heading3",view:"h4",title:"Heading 3",class:"ck-heading_heading3"}]})}static get requires(){return[id]}init(){const t=this.editor,e=t.config.get("heading.options"),n=[];for(const o of e)o.model!==ld&&(t.model.schema.register(o.model,{inheritAllFrom:"$block"}),t.conversion.elementToElement(o),n.push(o.model));this._addDefaultH1Conversion(t),t.commands.add("heading",new ad(t,n))}afterInit(){const t=this.editor,e=t.commands.get("enter"),n=t.config.get("heading.options");e&&this.listenTo(e,"afterExecute",(e,o)=>{const i=t.model.document.selection.getFirstPosition().parent;n.some(t=>i.is(t.model))&&!i.is(ld)&&0===i.childCount&&o.writer.rename(i,ld)})}_addDefaultH1Conversion(t){t.conversion.for("upcast").elementToElement({model:"heading1",view:"h1",converterPriority:ke.get("low")+1})}}class dd{constructor(t,e){e&&Ze(this,e),t&&this.set(t)}}Ie(dd,on);class hd extends ga{constructor(t){super(t);const e=this.bindTemplate;this.set("isVisible",!1),this.set("position","se"),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-reset","ck-dropdown__panel",e.to("position",t=>`ck-dropdown__panel_${t}`),e.if("isVisible","ck-dropdown__panel-visible")]},children:this.children,on:{selectstart:e.to(t=>t.preventDefault())}})}focus(){this.children.length&&this.children.first.focus()}focusLast(){if(this.children.length){const t=this.children.last;"function"==typeof t.focusLast?t.focusLast():t.focus()}}}n(90);class fd extends ga{constructor(t,e,n){super(t);const o=this.bindTemplate;this.buttonView=e,this.panelView=n,this.set("isOpen",!1),this.set("isEnabled",!0),this.set("class"),this.set("panelPosition","auto"),this.focusTracker=new Us,this.keystrokes=new Ns,this.setTemplate({tag:"div",attributes:{class:["ck","ck-dropdown",o.to("class"),o.if("isEnabled","ck-disabled",t=>!t)]},children:[e,n]}),e.extendTemplate({attributes:{class:["ck-dropdown__button"]}})}render(){super.render(),this.listenTo(this.buttonView,"open",()=>{this.isOpen=!this.isOpen}),this.panelView.bind("isVisible").to(this,"isOpen"),this.on("change:isOpen",()=>{if(this.isOpen)if("auto"===this.panelPosition){const t=fd.defaultPanelPositions;this.panelView.position=pu({element:this.panelView.element,target:this.buttonView.element,fitInViewport:!0,positions:[t.southEast,t.southWest,t.northEast,t.northWest]}).name}else this.panelView.position=this.panelPosition}),this.keystrokes.listenTo(this.element),this.focusTracker.add(this.element);const t=(t,e)=>{this.isOpen&&(this.buttonView.focus(),this.isOpen=!1,e())};this.keystrokes.set("arrowdown",(t,e)=>{this.buttonView.isEnabled&&!this.isOpen&&(this.isOpen=!0,e())}),this.keystrokes.set("arrowright",(t,e)=>{this.isOpen&&e()}),this.keystrokes.set("arrowleft",t),this.keystrokes.set("esc",t)}focus(){this.buttonView.focus()}}fd.defaultPanelPositions={southEast:t=>({top:t.bottom,left:t.left,name:"se"}),southWest:(t,e)=>({top:t.bottom,left:t.left-e.width+t.width,name:"sw"}),northEast:(t,e)=>({top:t.top-e.height,left:t.left,name:"ne"}),northWest:(t,e)=>({top:t.bottom-e.height,left:t.left-e.width+t.width,name:"nw"})};var pd=n(33),md=n.n(pd);class gd extends Cc{constructor(t){super(t),this.arrowView=this._createArrowView(),this.extendTemplate({attributes:{"aria-haspopup":!0}}),this.delegate("execute").to(this,"open")}render(){super.render(),this.children.add(this.arrowView)}_createArrowView(){const t=new Ac;return t.content=md.a,t.extendTemplate({attributes:{class:"ck-dropdown__arrow"}}),t}}n(92);class bd extends ga{constructor(){super(),this.items=this.createCollection(),this.focusTracker=new Us,this.keystrokes=new Ns,this._focusCycler=new Ta({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"arrowup",focusNext:"arrowdown"}}),this.setTemplate({tag:"ul",attributes:{class:["ck","ck-reset","ck-list"]},children:this.items})}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.items.on("add",(t,e)=>{this.focusTracker.add(e.element)}),this.items.on("remove",(t,e)=>{this.focusTracker.remove(e.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}}class wd extends ga{constructor(t){super(t),this.children=this.createCollection(),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__item"]},children:this.children})}focus(){this.children.first.focus()}}class _d extends ga{constructor(t){super(t),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__separator"]}})}}n(94);class vd extends Cc{constructor(t){super(t),this.toggleSwitchView=this._createToggleView(),this.extendTemplate({attributes:{class:"ck-switchbutton"}})}render(){super.render(),this.children.add(this.toggleSwitchView)}_createToggleView(){const t=new ga;return t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__toggle"]},children:[{tag:"span",attributes:{class:["ck","ck-button__toggle__inner"]}}]}),t}}function kd(t,e=gd){const n=new e(t),o=new hd(t),i=new fd(t,n,o);return n.bind("isEnabled").to(i),n instanceof gd?n.bind("isOn").to(i,"isOpen"):n.arrowView.bind("isOn").to(i,"isOpen"),function(t){(function(t){t.on("render",()=>{ru({emitter:t,activator:()=>t.isOpen,callback:()=>{t.isOpen=!1},contextElements:[t.element]})})})(t),function(t){t.on("execute",e=>{e.source instanceof vd||(t.isOpen=!1)})}(t),function(t){t.keystrokes.set("arrowdown",(e,n)=>{t.isOpen&&(t.panelView.focus(),n())}),t.keystrokes.set("arrowup",(e,n)=>{t.isOpen&&(t.panelView.focusLast(),n())})}(t)}(i),i}function yd(t,e){const n=t.locale,o=t.listView=new bd(n);o.items.bindTo(e).using(({type:t,model:e})=>{if("separator"===t)return new _d(n);if("button"===t||"switchbutton"===t){const o=new wd(n);let i;return(i="button"===t?new Cc(n):new vd(n)).bind(...Object.keys(e)).to(e),i.delegate("execute").to(o),o.children.add(i),o}}),t.panelView.children.add(o),o.items.delegate("execute").to(t)}n(96),n(98),n(17);class xd extends Ia{init(){const t=this.editor,e=t.t,n=function(t){const e=t.t,n={Paragraph:e("bm"),"Heading 1":e("bn"),"Heading 2":e("bo"),"Heading 3":e("bp"),"Heading 4":e("bq"),"Heading 5":e("br"),"Heading 6":e("bs")};return t.config.get("heading.options").map(t=>{const e=n[t.title];return e&&e!=t.title&&(t.title=e),t})}(t),o=e("e"),i=e("f");t.ui.componentFactory.add("heading",e=>{const r={},s=new kn,a=t.commands.get("heading"),c=t.commands.get("paragraph"),l=[a];for(const t of n){const e={type:"button",model:new dd({label:t.title,class:t.class,withText:!0})};"paragraph"===t.model?(e.model.bind("isOn").to(c,"value"),e.model.set("commandName","paragraph"),l.push(c)):(e.model.bind("isOn").to(a,"value",e=>e===t.model),e.model.set({commandName:"heading",commandValue:t.model})),s.add(e),r[t.model]=t.title}const u=kd(e);return yd(u,s),u.buttonView.set({isOn:!1,withText:!0,tooltip:i}),u.extendTemplate({attributes:{class:["ck-heading-dropdown"]}}),u.bind("isEnabled").toMany(l,"isEnabled",(...t)=>t.some(t=>t)),u.buttonView.bind("label").to(a,"value",c,"value",(t,e)=>{const n=t||e&&"paragraph";return r[n]?r[n]:o}),this.listenTo(u,"execute",e=>{t.execute(e.source.commandName,e.source.commandValue?{value:e.source.commandValue}:void 0),t.editing.view.focus()}),u})}}function Ad(t){for(const e of t.getChildren())if(e&&e.is("caption"))return e;return null}function Td(t){const e=t.parent;return"figcaption"==t.name&&e&&"figure"==e.name&&e.hasClass("image")?{name:!0}:null}class Cd extends Ia{init(){const t=this.editor,e=t.editing.view,n=t.model.schema,o=t.data,i=t.editing,r=t.t;n.register("caption",{allowIn:"image",allowContentOf:"$block",isLimit:!0}),t.model.document.registerPostFixer(t=>this._insertMissingModelCaptionElement(t)),t.conversion.for("upcast").elementToElement({view:Td,model:"caption"}),o.downcastDispatcher.on("insert:caption",Pd(t=>t.createContainerElement("figcaption"),!1));const s=function(t,e){return n=>{const o=n.createEditableElement("figcaption");return n.setCustomProperty("imageCaption",!0,o),Hs({view:t,element:o,text:e}),ql(o,n)}}(e,r("aj"));i.downcastDispatcher.on("insert:caption",Pd(s)),i.downcastDispatcher.on("insert",this._fixCaptionVisibility(t=>t.item),{priority:"high"}),i.downcastDispatcher.on("remove",this._fixCaptionVisibility(t=>t.position.parent),{priority:"high"}),e.document.registerPostFixer(t=>this._updateCaptionVisibility(t))}_updateCaptionVisibility(t){const e=this.editor.editing.mapper,n=this._lastSelectedCaption;let o;const i=this.editor.model.document.selection,r=i.getSelectedElement();if(r&&r.is("image")){const t=Ad(r);o=e.toViewElement(t)}const s=Ed(i.getFirstPosition().parent);if(s&&(o=e.toViewElement(s)),o)return n?n===o?Md(o,t):(Sd(n,t),this._lastSelectedCaption=o,Md(o,t)):(this._lastSelectedCaption=o,Md(o,t));if(n){const e=Sd(n,t);return this._lastSelectedCaption=null,e}return!1}_fixCaptionVisibility(t){return(e,n,o)=>{const i=Ed(t(n)),r=this.editor.editing.mapper,s=o.writer;if(i){const t=r.toViewElement(i);t&&(i.childCount?s.removeClass("ck-hidden",t):s.addClass("ck-hidden",t))}}}_insertMissingModelCaptionElement(t){const e=this.editor.model,n=e.document.differ.getChanges(),o=[];for(const t of n)if("insert"==t.type&&"$text"!=t.name){const n=t.position.nodeAfter;if(n.is("image")&&!Ad(n)&&o.push(n),!n.is("image")&&n.childCount)for(const t of e.createRangeIn(n).getItems())t.is("image")&&!Ad(t)&&o.push(t)}for(const e of o)t.appendElement("caption",e);return!!o.length}}function Pd(t,e=!0){return(n,o,i)=>{const r=o.item;if((r.childCount||e)&&Yl(r.parent)){if(!i.consumable.consume(o.item,"insert"))return;const e=i.mapper.toViewElement(o.range.start.parent),n=t(i.writer),s=i.writer;r.childCount||s.addClass("ck-hidden",n),function(t,e,n,o){const i=o.writer.createPositionAt(n,"end");o.writer.insert(i,t),o.mapper.bindElements(e,t)}(n,o.item,e,i)}}}function Ed(t){const e=t.getAncestors({includeSelf:!0}).find(t=>"caption"==t.name);return e&&e.parent&&"image"==e.parent.name?e:null}function Sd(t,e){return!t.childCount&&!t.hasClass("ck-hidden")&&(e.addClass("ck-hidden",t),!0)}function Md(t,e){return!!t.hasClass("ck-hidden")&&(e.removeClass("ck-hidden",t),!0)}n(101);class Id extends Da{constructor(t,e){super(t),this.defaultStyle=!1,this.styles=e.reduce((t,e)=>(t[e.name]=e,e.isDefault&&(this.defaultStyle=e.name),t),{})}refresh(){const t=this.editor.model.document.selection.getSelectedElement();if(this.isEnabled=Yl(t),t)if(t.hasAttribute("imageStyle")){const e=t.getAttribute("imageStyle");this.value=!!this.styles[e]&&e}else this.value=this.defaultStyle;else this.value=!1}execute(t){const e=t.value,n=this.editor.model,o=n.document.selection.getSelectedElement();n.change(t=>{this.styles[e].isDefault?t.removeAttribute("imageStyle",o):t.setAttribute("imageStyle",e,o)})}}function Od(t,e){for(const n of e)if(n.name===t)return n}var Nd=n(13),Rd=n.n(Nd),jd=n(14),Dd=n.n(jd),Ld=n(15),Vd=n.n(Ld),zd=n(11),Bd=n.n(zd);const Fd={full:{name:"full",title:"Full size image",icon:Rd.a,isDefault:!0},side:{name:"side",title:"Side image",icon:Bd.a,className:"image-style-side"},alignLeft:{name:"alignLeft",title:"Left aligned image",icon:Dd.a,className:"image-style-align-left"},alignCenter:{name:"alignCenter",title:"Centered image",icon:Vd.a,className:"image-style-align-center"},alignRight:{name:"alignRight",title:"Right aligned image",icon:Bd.a,className:"image-style-align-right"}},Ud={full:Rd.a,left:Dd.a,right:Bd.a,center:Vd.a};function qd(t=[]){return t.map($d)}function $d(t){if("string"==typeof t){const e=t;Fd[e]?t=Object.assign({},Fd[e]):(ai.a.warn("image-style-not-found: There is no such image style of given name.",{name:e}),t={name:e})}else if(Fd[t.name]){const e=Fd[t.name],n=Object.assign({},t);for(const o in e)t.hasOwnProperty(o)||(n[o]=e[o]);t=n}return"string"==typeof t.icon&&Ud[t.icon]&&(t.icon=Ud[t.icon]),t}class Hd extends Ia{static get pluginName(){return"ImageStyleEditing"}init(){const t=this.editor,e=t.model.schema,n=t.data,o=t.editing;t.config.define("image.styles",["full","side"]);const i=qd(t.config.get("image.styles"));e.extend("image",{allowAttributes:"imageStyle"});const r=function(t){return(e,n,o)=>{if(!o.consumable.consume(n.item,e.name))return;const i=Od(n.attributeNewValue,t),r=Od(n.attributeOldValue,t),s=o.mapper.toViewElement(n.item),a=o.writer;r&&a.removeClass(r.className,s),i&&a.addClass(i.className,s)}}(i);o.downcastDispatcher.on("attribute:imageStyle:image",r),n.downcastDispatcher.on("attribute:imageStyle:image",r),n.upcastDispatcher.on("element:figure",function(t){const e=i.filter(t=>!t.isDefault);return(t,n,o)=>{if(!n.modelRange)return;const i=n.viewItem,r=rl(n.modelRange.getItems());if(o.schema.checkAttribute(r,"imageStyle"))for(const t of e)o.consumable.consume(i,{classes:t.className})&&o.writer.setAttribute("imageStyle",t.name,r)}}(),{priority:"low"}),t.commands.add("imageStyle",new Id(t,i))}}n(103);class Wd extends Ia{static get pluginName(){return"ImageStyleUI"}get localizedDefaultStylesTitles(){const t=this.editor.t;return{"Full size image":t("j"),"Side image":t("k"),"Left aligned image":t("l"),"Centered image":t("m"),"Right aligned image":t("n")}}init(){const t=function(t,e){for(const n of t)e[n.title]&&(n.title=e[n.title]);return t}(qd(this.editor.config.get("image.styles")),this.localizedDefaultStylesTitles);for(const e of t)this._createButton(e)}_createButton(t){const e=this.editor,n=`imageStyle:${t.name}`;e.ui.componentFactory.add(n,n=>{const o=e.commands.get("imageStyle"),i=new Cc(n);return i.set({label:t.title,icon:t.icon,tooltip:!0}),i.bind("isEnabled").to(o,"isEnabled"),i.bind("isOn").to(o,"value",e=>e===t.name),this.listenTo(i,"execute",()=>e.execute("imageStyle",{value:t.name})),i})}}class Yd extends Ia{static get requires(){return[Eu]}static get pluginName(){return"WidgetToolbarRepository"}init(){const t=this.editor;if(t.plugins.has("BalloonToolbar")){const e=t.plugins.get("BalloonToolbar");this.listenTo(e,"show",e=>{(function(t){const e=t.getSelectedElement();return!(!e||!Bl(e))})(t.editing.view.document.selection)&&e.stop()},{priority:"high"})}this._toolbarDefinitions=new Map,this._balloon=this.editor.plugins.get("ContextualBalloon"),this.listenTo(t.ui,"update",()=>{this._updateToolbarsVisibility()}),this.listenTo(t.ui.focusTracker,"change:isFocused",()=>{this._updateToolbarsVisibility()},{priority:"low"})}destroy(){super.destroy();for(const t of this._toolbarDefinitions.values())t.view.destroy()}register(t,{items:e,getRelatedElement:n,balloonClassName:o="ck-toolbar-container"}){const i=this.editor,r=new Ea;if(this._toolbarDefinitions.has(t))throw new be.b("widget-toolbar-duplicated: Toolbar with the given id was already added.",{toolbarId:t});r.fillFromConfig(e,i.ui.componentFactory),this._toolbarDefinitions.set(t,{view:r,getRelatedElement:n,balloonClassName:o})}_updateToolbarsVisibility(){let t=0,e=null,n=null;for(const o of this._toolbarDefinitions.values()){const i=o.getRelatedElement(this.editor.editing.view.document.selection);if(this.editor.ui.focusTracker.isFocused)if(i){const r=i.getAncestors().length;r>t&&(t=r,e=i,n=o)}else this._isToolbarInBalloon(o)&&this._hideToolbar(o);else this._isToolbarVisible(o)&&this._hideToolbar(o)}n&&this._showToolbar(n,e)}_hideToolbar(t){this._balloon.remove(t.view)}_showToolbar(t,e){this._isToolbarVisible(t)?function(t,e){const n=t.plugins.get("ContextualBalloon"),o=Gd(t,e);n.updatePosition(o)}(this.editor,e):this._isToolbarInBalloon(t)||this._balloon.add({view:t.view,position:Gd(this.editor,e),balloonClassName:t.balloonClassName})}_isToolbarVisible(t){return this._balloon.visibleView===t.view}_isToolbarInBalloon(t){return this._balloon.hasView(t.view)}}function Gd(t,e){const n=t.editing.view,o=_u.defaultPositions;return{target:n.domConverter.viewToDom(e),positions:[o.northArrowSouth,o.northArrowSouthWest,o.northArrowSouthEast,o.southArrowNorth,o.southArrowNorthWest,o.southArrowNorthEast]}}function Qd(t,e,n){return n.createRange(Jd(t,e,!0,n),Jd(t,e,!1,n))}function Jd(t,e,n,o){let i=t.textNode||(n?t.nodeBefore:t.nodeAfter),r=null;for(;i&&i.getAttribute("linkHref")==e;)r=i,i=n?i.previousSibling:i.nextSibling;return r?o.createPositionAt(r,n?"before":"after"):t}class Kd extends Da{refresh(){const t=this.editor.model,e=t.document;this.value=e.selection.getAttribute("linkHref"),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"linkHref")}execute(t){const e=this.editor.model,n=e.document.selection;e.change(o=>{if(n.isCollapsed){const i=n.getFirstPosition();if(n.hasAttribute("linkHref")){const i=Qd(n.getFirstPosition(),n.getAttribute("linkHref"),e);o.setAttribute("linkHref",t,i),o.setSelection(i)}else if(""!==t){const r=Ei(n.getAttributes());r.set("linkHref",t);const s=o.createText(t,r);e.insertContent(s,i),o.setSelection(o.createRangeOn(s))}}else{const i=e.schema.getValidRanges(n.getRanges(),"linkHref");for(const e of i)o.setAttribute("linkHref",t,e)}})}}class Zd extends Da{refresh(){this.isEnabled=this.editor.model.document.selection.hasAttribute("linkHref")}execute(){const t=this.editor.model,e=t.document.selection;t.change(n=>{const o=e.isCollapsed?[Qd(e.getFirstPosition(),e.getAttribute("linkHref"),t)]:e.getRanges();for(const t of o)n.removeAttribute("linkHref",t)})}}const Xd=/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g,th=/^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i;function eh(t,e){const n=e.createAttributeElement("a",{href:t},{priority:5});return e.setCustomProperty("link",!0,n),n}function nh(t){return function(t){return t.replace(Xd,"").match(th)}(t=String(t))?t:"#"}class oh{constructor(t,e,n){this.model=t,this.attribute=n,this._modelSelection=t.document.selection,this._overrideUid=null,this._isNextGravityRestorationSkipped=!1,e.listenTo(this._modelSelection,"change:range",(t,e)=>{this._isNextGravityRestorationSkipped?this._isNextGravityRestorationSkipped=!1:this._isGravityOverridden&&(!e.directChange&&ih(this._modelSelection.getFirstPosition(),n)||this._restoreGravity())})}handleForwardMovement(t,e){const n=this.attribute;if(!(this._isGravityOverridden||t.isAtStart&&this._hasSelectionAttribute))return ah(t,n)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._removeSelectionAttribute(),!0):rh(t,n)?(this._preventCaretMovement(e),this._overrideGravity(),!0):sh(t,n)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._overrideGravity(),!0):void 0}handleBackwardMovement(t,e){const n=this.attribute;return this._isGravityOverridden?ah(t,n)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._restoreGravity(),this._removeSelectionAttribute(),!0):(this._preventCaretMovement(e),this._restoreGravity(),t.isAtStart&&this._removeSelectionAttribute(),!0):ah(t,n)&&!this._hasSelectionAttribute?(this._preventCaretMovement(e),this._setSelectionAttributeFromTheNodeBefore(t),!0):t.isAtEnd&&sh(t,n)?this._hasSelectionAttribute?void(ch(t,n)&&(this._skipNextAutomaticGravityRestoration(),this._overrideGravity())):(this._preventCaretMovement(e),this._setSelectionAttributeFromTheNodeBefore(t),!0):t.isAtStart?this._hasSelectionAttribute?(this._removeSelectionAttribute(),this._preventCaretMovement(e),!0):void 0:void(ch(t,n)&&(this._skipNextAutomaticGravityRestoration(),this._overrideGravity()))}get _isGravityOverridden(){return!!this._overrideUid}get _hasSelectionAttribute(){return this._modelSelection.hasAttribute(this.attribute)}_overrideGravity(){this._overrideUid=this.model.change(t=>t.overrideSelectionGravity())}_restoreGravity(){this.model.change(t=>{t.restoreSelectionGravity(this._overrideUid),this._overrideUid=null})}_preventCaretMovement(t){t.preventDefault()}_removeSelectionAttribute(){this.model.change(t=>{t.removeSelectionAttribute(this.attribute)})}_setSelectionAttributeFromTheNodeBefore(t){const e=this.attribute;this.model.change(n=>{n.setSelectionAttribute(this.attribute,t.nodeBefore.getAttribute(e))})}_skipNextAutomaticGravityRestoration(){this._isNextGravityRestorationSkipped=!0}}function ih(t,e){return rh(t,e)||sh(t,e)}function rh(t,e){const{nodeBefore:n,nodeAfter:o}=t,i=!!n&&n.hasAttribute(e);return!!o&&o.hasAttribute(e)&&(!i||n.getAttribute(e)!==o.getAttribute(e))}function sh(t,e){const{nodeBefore:n,nodeAfter:o}=t,i=!!n&&n.hasAttribute(e),r=!!o&&o.hasAttribute(e);return i&&(!r||n.getAttribute(e)!==o.getAttribute(e))}function ah(t,e){const{nodeBefore:n,nodeAfter:o}=t,i=!!n&&n.hasAttribute(e);if(o&&o.hasAttribute(e)&&i)return o.getAttribute(e)!==n.getAttribute(e)}function ch(t,e){return ih(t.getShiftedBy(-1),e)}n(105);const lh="ck-link_selected";class uh extends Ia{init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:"linkHref"}),t.conversion.for("dataDowncast").attributeToElement({model:"linkHref",view:eh}),t.conversion.for("editingDowncast").attributeToElement({model:"linkHref",view:(t,e)=>eh(nh(t),e)}),t.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:{href:!0}},model:{key:"linkHref",value:t=>t.getAttribute("href")}}),t.commands.add("link",new Kd(t)),t.commands.add("unlink",new Zd(t)),function(t,e,n,o){const i=new oh(e,n,"linkHref"),r=e.document.selection;n.listenTo(t.document,"keydown",(t,e)=>{if(!r.isCollapsed)return;if(e.shiftKey||e.altKey||e.ctrlKey)return;const n=e.keyCode==Nn.arrowright,o=e.keyCode==Nn.arrowleft;if(!n&&!o)return;const s=r.getFirstPosition();let a;(a=n?i.handleForwardMovement(s,e):i.handleBackwardMovement(s,e))&&t.stop()},{priority:ke.get("high")+1})}(t.editing.view,t.model,this),this._setupLinkHighlight()}_setupLinkHighlight(){const t=this.editor,e=t.editing.view,n=new Set;e.document.registerPostFixer(e=>{const o=t.model.document.selection;if(o.hasAttribute("linkHref")){const i=Qd(o.getFirstPosition(),o.getAttribute("linkHref"),t.model),r=t.editing.mapper.toViewRange(i);for(const t of r.getItems())t.is("a")&&(e.addClass(lh,t),n.add(t))}}),t.conversion.for("editingDowncast").add(t=>{function o(){e.change(t=>{for(const e of n.values())t.removeClass(lh,e),n.delete(e)})}t.on("insert",o,{priority:"highest"}),t.on("remove",o,{priority:"highest"}),t.on("attribute",o,{priority:"highest"}),t.on("selection",o,{priority:"highest"})})}}class dh extends Go{constructor(t){super(t),this.domEventType="click"}onDomEvent(t){this.fire(t.type,t)}}n(107);class hh extends ga{constructor(t){super(t);const e=t.t;this.focusTracker=new Us,this.keystrokes=new Ns,this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(e("ay"),uu.a,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(e("az"),hu.a,"ck-button-cancel","cancel"),this._focusables=new Js,this._focusCycler=new Ta({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"form",attributes:{class:["ck","ck-link-form"],tabindex:"-1"},children:[this.urlInputView,this.saveButtonView,this.cancelButtonView]})}render(){super.render(),cu({view:this}),[this.urlInputView,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createUrlInput(){const t=this.locale.t,e=new su(this.locale,au);return e.label=t("ba"),e.inputView.placeholder="https://example.com",e}_createButton(t,e,n,o){const i=new Cc(this.locale);return i.set({label:t,icon:e,tooltip:!0}),i.extendTemplate({attributes:{class:n}}),o&&i.delegate("execute").to(this,o),i}}var fh=n(34),ph=n.n(fh),mh=n(35),gh=n.n(mh);n(109);class bh extends ga{constructor(t){super(t);const e=t.t;this.focusTracker=new Us,this.keystrokes=new Ns,this.previewButtonView=this._createPreviewButton(),this.unlinkButtonView=this._createButton(e("au"),ph.a,"unlink"),this.editButtonView=this._createButton(e("av"),gh.a,"edit"),this.set("href"),this._focusables=new Js,this._focusCycler=new Ta({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-link-actions"],tabindex:"-1"},children:[this.previewButtonView,this.editButtonView,this.unlinkButtonView]})}render(){super.render(),[this.previewButtonView,this.editButtonView,this.unlinkButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createButton(t,e,n){const o=new Cc(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o.delegate("execute").to(this,n),o}_createPreviewButton(){const t=new Cc(this.locale),e=this.bindTemplate,n=this.t;return t.set({withText:!0,tooltip:n("aw")}),t.extendTemplate({attributes:{class:["ck","ck-link-actions__preview"],href:e.to("href",t=>t&&nh(t)),target:"_blank"}}),t.bind("label").to(this,"href",t=>t||n("ax")),t.bind("isEnabled").to(this,"href",t=>!!t),t.template.tag="a",t.template.eventListeners={},t}}var wh=n(36),_h=n.n(wh);const vh="Ctrl+K";class kh extends Ia{static get requires(){return[Eu]}static get pluginName(){return"LinkUI"}init(){const t=this.editor;t.editing.view.addObserver(dh),this.actionsView=this._createActionsView(),this.formView=this._createFormView(),this._balloon=t.plugins.get(Eu),this._createToolbarLinkButton(),this._enableUserBalloonInteractions()}destroy(){super.destroy(),this.formView.destroy()}_createActionsView(){const t=this.editor,e=new bh(t.locale),n=t.commands.get("link"),o=t.commands.get("unlink");return e.bind("href").to(n,"value"),e.editButtonView.bind("isEnabled").to(n),e.unlinkButtonView.bind("isEnabled").to(o),this.listenTo(e,"edit",()=>{this._addFormView()}),this.listenTo(e,"unlink",()=>{t.execute("unlink"),this._hideUI()}),e.keystrokes.set("Esc",(t,e)=>{this._hideUI(),e()}),e.keystrokes.set(vh,(t,e)=>{this._addFormView(),e()}),e}_createFormView(){const t=this.editor,e=new hh(t.locale),n=t.commands.get("link");return e.urlInputView.bind("value").to(n,"value"),e.urlInputView.bind("isReadOnly").to(n,"isEnabled",t=>!t),e.saveButtonView.bind("isEnabled").to(n),this.listenTo(e,"submit",()=>{t.execute("link",e.urlInputView.inputView.element.value),this._closeFormView()}),this.listenTo(e,"cancel",()=>{this._closeFormView()}),e.keystrokes.set("Esc",(t,e)=>{this._closeFormView(),e()}),e}_createToolbarLinkButton(){const t=this.editor,e=t.commands.get("link"),n=t.t;t.keystrokes.set(vh,(t,n)=>{n(),e.isEnabled&&this._showUI(!0)}),t.ui.componentFactory.add("link",t=>{const o=new Cc(t);return o.isEnabled=!0,o.label=n("ao"),o.icon=_h.a,o.keystroke=vh,o.tooltip=!0,o.bind("isOn","isEnabled").to(e,"value","isEnabled"),this.listenTo(o,"execute",()=>this._showUI(!0)),o})}_enableUserBalloonInteractions(){const t=this.editor.editing.view.document;this.listenTo(t,"click",()=>{this._getSelectedLinkElement()&&this._showUI()}),this.editor.keystrokes.set("Tab",(t,e)=>{this._areActionsVisible&&!this.actionsView.focusTracker.isFocused&&(this.actionsView.focus(),e())},{priority:"high"}),this.editor.keystrokes.set("Esc",(t,e)=>{this._isUIVisible&&(this._hideUI(),e())}),ru({emitter:this.formView,activator:()=>this._isUIInPanel,contextElements:[this._balloon.view.element],callback:()=>this._hideUI()})}_addActionsView(){this._areActionsInPanel||this._balloon.add({view:this.actionsView,position:this._getBalloonPositionData()})}_addFormView(){if(this._isFormInPanel)return;const t=this.editor.commands.get("link");this._balloon.add({view:this.formView,position:this._getBalloonPositionData()}),this._balloon.visibleView===this.formView&&this.formView.urlInputView.select(),this.formView.urlInputView.inputView.element.value=t.value||""}_closeFormView(){void 0!==this.editor.commands.get("link").value?this._removeFormView():this._hideUI()}_removeFormView(){this._isFormInPanel&&(this.formView.saveButtonView.focus(),this._balloon.remove(this.formView),this.editor.editing.view.focus())}_showUI(t=!1){this.editor.commands.get("link").isEnabled&&(this._getSelectedLinkElement()?(this._areActionsVisible?this._addFormView():this._addActionsView(),t&&this._balloon.showStack("main")):(this._addActionsView(),t&&this._balloon.showStack("main"),this._addFormView()),this._startUpdatingUI())}_hideUI(){if(!this._isUIInPanel)return;const t=this.editor;this.stopListening(t.ui,"update"),t.editing.view.focus(),this._removeFormView(),this._balloon.remove(this.actionsView)}_startUpdatingUI(){const t=this.editor,e=t.editing.view.document;let n=this._getSelectedLinkElement(),o=i();function i(){return e.selection.focus.getAncestors().reverse().find(t=>t.is("element"))}this.listenTo(t.ui,"update",()=>{const t=this._getSelectedLinkElement(),e=i();n&&!t||!n&&e!==o?this._hideUI():this._balloon.updatePosition(this._getBalloonPositionData()),n=t,o=e})}get _isFormInPanel(){return this._balloon.hasView(this.formView)}get _areActionsInPanel(){return this._balloon.hasView(this.actionsView)}get _areActionsVisible(){return this._balloon.visibleView===this.actionsView}get _isUIInPanel(){return this._isFormInPanel||this._areActionsInPanel}get _isUIVisible(){return this._balloon.visibleView==this.formView||this._areActionsVisible}_getBalloonPositionData(){const t=this.editor.editing.view,e=t.document,n=this._getSelectedLinkElement();return{target:n?t.domConverter.mapViewToDom(n):t.domConverter.viewRangeToDom(e.selection.getFirstRange())}}_getSelectedLinkElement(){const t=this.editor.editing.view,e=t.document.selection;if(e.isCollapsed)return yh(e.getFirstPosition());{const n=e.getFirstRange().getTrimmed(),o=yh(n.start),i=yh(n.end);return o&&o==i&&t.createRangeIn(o).getTrimmed().isEqual(n)?o:null}}}function yh(t){return t.getAncestors().find(t=>(function(t){return t.is("attributeElement")&&!!t.getCustomProperty("link")})(t))}class xh extends Da{constructor(t,e){super(t),this.type="bulleted"==e?"bulleted":"numbered"}refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model,e=t.document,n=Array.from(e.selection.getSelectedBlocks()).filter(e=>Th(e,t.schema)),o=!0===this.value;t.change(t=>{if(o){let e=n[n.length-1].nextSibling,o=Number.POSITIVE_INFINITY,i=[];for(;e&&"listItem"==e.name&&0!==e.getAttribute("listIndent");){const t=e.getAttribute("listIndent");t<o&&(o=t);const n=t-o;i.push({element:e,listIndent:n}),e=e.nextSibling}i=i.reverse();for(const e of i)t.setAttribute("listIndent",e.listIndent,e.element)}if(!o){let t=Number.POSITIVE_INFINITY;for(const e of n)e.is("listItem")&&e.getAttribute("listIndent")<t&&(t=e.getAttribute("listIndent"));Ah(n,!0,t=0===t?1:t),Ah(n,!1,t)}for(const e of n.reverse())o&&"listItem"==e.name?t.rename(e,"paragraph"):o||"listItem"==e.name?o||"listItem"!=e.name||e.getAttribute("listType")==this.type||t.setAttribute("listType",this.type,e):(t.setAttributes({listType:this.type,listIndent:0},e),t.rename(e,"listItem"))})}_getValue(){const t=rl(this.editor.model.document.selection.getSelectedBlocks());return!!t&&t.is("listItem")&&t.getAttribute("listType")==this.type}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,n=rl(t.getSelectedBlocks());return!!n&&Th(n,e)}}function Ah(t,e,n){const o=e?t[0]:t[t.length-1];if(o.is("listItem")){let i=o[e?"previousSibling":"nextSibling"],r=o.getAttribute("listIndent");for(;i&&i.is("listItem")&&i.getAttribute("listIndent")>=n;)r>i.getAttribute("listIndent")&&(r=i.getAttribute("listIndent")),i.getAttribute("listIndent")==r&&t[e?"unshift":"push"](i),i=i[e?"previousSibling":"nextSibling"]}}function Th(t,e){return e.checkChild(t.parent,"listItem")&&!e.isObject(t)}class Ch extends Da{constructor(t,e){super(t),this._indentBy="forward"==e?1:-1}refresh(){this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model,e=t.document;let n=Array.from(e.selection.getSelectedBlocks());t.change(t=>{const e=n[n.length-1];let o=e.nextSibling;for(;o&&"listItem"==o.name&&o.getAttribute("listIndent")>e.getAttribute("listIndent");)n.push(o),o=o.nextSibling;this._indentBy<0&&(n=n.reverse());for(const e of n){const n=e.getAttribute("listIndent")+this._indentBy;n<0?t.rename(e,"paragraph"):t.setAttribute("listIndent",n,e)}})}_checkEnabled(){const t=rl(this.editor.model.document.selection.getSelectedBlocks());if(!t||!t.is("listItem"))return!1;if(this._indentBy>0){const e=t.getAttribute("listIndent"),n=t.getAttribute("listType");let o=t.previousSibling;for(;o&&o.is("listItem")&&o.getAttribute("listIndent")>=e;){if(o.getAttribute("listIndent")==e)return o.getAttribute("listType")==n;o=o.previousSibling}return!1}return!0}}function Ph(){const t=!this.isEmpty&&("ul"==this.getChild(0).name||"ol"==this.getChild(0).name);return this.isEmpty||t?0:He.call(this)}function Eh(t){return(e,n,o)=>{const i=o.consumable;if(!i.test(n.item,"insert")||!i.test(n.item,"attribute:listType")||!i.test(n.item,"attribute:listIndent"))return;i.consume(n.item,"insert"),i.consume(n.item,"attribute:listType"),i.consume(n.item,"attribute:listIndent");const r=n.item;Uh(r,function(t,e){const n=e.mapper,o=e.writer,i="numbered"==t.getAttribute("listType")?"ol":"ul",r=function(t){const e=o.createContainerElement("li");return e.getFillerOffset=Ph,e}(),s=o.createContainerElement(i,null);return o.insert(o.createPositionAt(s,0),r),n.bindElements(t,r),r}(r,o),o,t)}}function Sh(t){return(e,n,o)=>{const i=o.mapper.toViewPosition(n.position).getLastMatchingPosition(t=>!t.item.is("li")).nodeAfter,r=o.writer;r.breakContainer(r.createPositionBefore(i)),r.breakContainer(r.createPositionAfter(i));const s=i.parent,a=s.previousSibling,c=r.createRangeOn(s),l=r.remove(c);a&&a.nextSibling&&Fh(r,a,a.nextSibling),qh(o.mapper.toModelElement(i).getAttribute("listIndent")+1,n.position,c.start,i,o,t);for(const t of r.createRangeIn(l).getItems())o.mapper.unbindViewElement(t);e.stop()}}function Mh(t,e,n){if(!n.consumable.consume(e.item,"attribute:listType"))return;const o=n.mapper.toViewElement(e.item),i=n.writer;i.breakContainer(i.createPositionBefore(o)),i.breakContainer(i.createPositionAfter(o));let r=o.parent;const s="numbered"==e.attributeNewValue?"ol":"ul";Fh(i,r=i.rename(s,r),r.nextSibling),Fh(i,r.previousSibling,r);for(const t of e.item.getChildren())n.consumable.consume(t,"insert")}function Ih(t){return(e,n,o)=>{if(!o.consumable.consume(n.item,"attribute:listIndent"))return;const i=o.mapper.toViewElement(n.item),r=o.writer;r.breakContainer(r.createPositionBefore(i)),r.breakContainer(r.createPositionAfter(i));const s=i.parent,a=s.previousSibling,c=r.createRangeOn(s);r.remove(c),a&&a.nextSibling&&Fh(r,a,a.nextSibling),qh(n.attributeOldValue+1,n.range.start,c.start,i,o,t),Uh(n.item,i,o,t);for(const t of n.item.getChildren())o.consumable.consume(t,"insert")}}function Oh(t,e,n){if("listItem"!=e.item.name){let t=n.mapper.toViewPosition(e.range.start);const o=n.writer,i=[];for(;("ul"==t.parent.name||"ol"==t.parent.name)&&"li"==(t=o.breakContainer(t)).parent.name;){const e=t,n=o.createPositionAt(t.parent,"end");if(!e.isEqual(n)){const t=o.remove(o.createRange(e,n));i.push(t)}t=o.createPositionAfter(t.parent)}if(i.length>0){for(let e=0;e<i.length;e++){const n=t.nodeBefore;if(t=o.insert(t,i[e]).end,e>0){const e=Fh(o,n,n.nextSibling);e&&e.parent==n&&t.offset--}}Fh(o,t.nodeBefore,t.nodeAfter)}}}function Nh(t,e,n){const o=n.mapper.toViewPosition(e.position),i=o.nodeBefore,r=o.nodeAfter;Fh(n.writer,i,r)}function Rh(t,e,n){if(n.consumable.consume(e.viewItem,{name:!0})){const t=n.writer,o=this.conversionApi.store,i=t.createElement("listItem");o.indent=o.indent||0,t.setAttribute("listIndent",o.indent,i);const r=e.viewItem.parent&&"ol"==e.viewItem.parent.name?"numbered":"bulleted";t.setAttribute("listType",r,i),o.indent++;const s=n.splitToAllowedParent(i,e.modelCursor);if(!s)return;t.insert(i,s.position);const a=function(t,e,n){const{writer:o,schema:i}=n;let r=o.createPositionAfter(t);for(const s of e)if("ul"==s.name||"ol"==s.name)r=n.convertItem(s,r).modelCursor;else{const e=n.convertItem(s,o.createPositionAt(t,"end")),a=e.modelRange.start.nodeAfter;a&&a.is("element")&&!i.checkChild(t,a.name)&&(t=e.modelCursor.parent.is("listItem")?e.modelCursor.parent:zh(e.modelCursor),r=o.createPositionAfter(t))}return r}(i,e.viewItem.getChildren(),n);o.indent--,e.modelRange=t.createRange(e.modelCursor,a),s.cursorParent?e.modelCursor=t.createPositionAt(s.cursorParent,0):e.modelCursor=e.modelRange.end}}function jh(t,e,n){if(n.consumable.test(e.viewItem,{name:!0})){const t=Array.from(e.viewItem.getChildren());for(const e of t)e.is("li")||e._remove()}}function Dh(t,e,n){if(n.consumable.test(e.viewItem,{name:!0})){if(0===e.viewItem.childCount)return;const t=[...e.viewItem.getChildren()];let n=!1,o=!0;for(const e of t)!n||e.is("ul")||e.is("ol")||e._remove(),e.is("text")?(o&&(e._data=e.data.replace(/^\s+/,"")),(!e.nextSibling||e.nextSibling.is("ul")||e.nextSibling.is("ol"))&&(e._data=e.data.replace(/\s+$/,""))):(e.is("ul")||e.is("ol"))&&(n=!0),o=!1}}function Lh(t){return(e,n)=>{if(n.isPhantom)return;const o=n.modelPosition.nodeBefore;if(o&&o.is("listItem")){const e=n.mapper.toViewElement(o),i=e.getAncestors().find(t=>t.is("ul")||t.is("ol")),r=t.createPositionAt(e,0).getWalker();for(const t of r){if("elementStart"==t.type&&t.item.is("li")){n.viewPosition=t.previousPosition;break}if("elementEnd"==t.type&&t.item==i){n.viewPosition=t.nextPosition;break}}}}}function Vh(t,[e,n]){let o,i=e.is("documentFragment")?e.getChild(0):e;if(o=n?this.createSelection(n):this.document.selection,i&&i.is("listItem")){const t=o.getFirstPosition();let e=null;if(t.parent.is("listItem")?e=t.parent:t.nodeBefore&&t.nodeBefore.is("listItem")&&(e=t.nodeBefore),e){const t=e.getAttribute("listIndent");if(t>0)for(;i&&i.is("listItem");)i._setAttribute("listIndent",i.getAttribute("listIndent")+t),i=i.nextSibling}}}function zh(t){const e=new Ri({startPosition:t});let n;do{n=e.next()}while(!n.value.item.is("listItem"));return n.value.item}function Bh(t,e){const n=!!e.sameIndent,o=!!e.smallerIndent,i=e.listIndent;let r=t;for(;r&&"listItem"==r.name;){const t=r.getAttribute("listIndent");if(n&&i==t||o&&i>t)return r;r=r.previousSibling}return null}function Fh(t,e,n){return e&&n&&("ul"==e.name||"ol"==e.name)&&e.name==n.name?t.mergeContainers(t.createPositionAfter(e)):null}function Uh(t,e,n,o){const i=e.parent,r=n.mapper,s=n.writer;let a=r.toViewPosition(o.createPositionBefore(t));const c=Bh(t.previousSibling,{sameIndent:!0,smallerIndent:!0,listIndent:t.getAttribute("listIndent")}),l=t.previousSibling;if(c&&c.getAttribute("listIndent")==t.getAttribute("listIndent")){const t=r.toViewElement(c);a=s.breakContainer(s.createPositionAfter(t))}else a=l&&"listItem"==l.name?r.toViewPosition(o.createPositionAt(l,"end")):r.toViewPosition(o.createPositionBefore(t));if(a=$h(a),s.insert(a,i),l&&"listItem"==l.name){const t=r.toViewElement(l),n=s.createRange(s.createPositionAt(t,0),a).getWalker({ignoreElementEnd:!0});for(const t of n)if(t.item.is("li")){const o=s.breakContainer(s.createPositionBefore(t.item)),i=t.item.parent,r=s.createPositionAt(e,"end");Fh(s,r.nodeBefore,r.nodeAfter),s.move(s.createRangeOn(i),r),n.position=o}}else{const n=i.nextSibling;if(n&&(n.is("ul")||n.is("ol"))){let o=null;for(const e of n.getChildren()){const n=r.toModelElement(e);if(!(n&&n.getAttribute("listIndent")>t.getAttribute("listIndent")))break;o=e}o&&(s.breakContainer(s.createPositionAfter(o)),s.move(s.createRangeOn(o.parent),s.createPositionAt(e,"end")))}}Fh(s,i,i.nextSibling),Fh(s,i.previousSibling,i)}function qh(t,e,n,o,i,r){const s=Bh(e.nodeBefore,{sameIndent:!0,smallerIndent:!0,listIndent:t,foo:"b"}),a=i.mapper,c=i.writer,l=s?s.getAttribute("listIndent"):null;let u;if(s)if(l==t){const t=a.toViewElement(s).parent;u=c.createPositionAfter(t)}else{const t=r.createPositionAt(s,"end");u=a.toViewPosition(t)}else u=n;u=$h(u);for(const t of[...o.getChildren()])(t.is("ul")||t.is("ol"))&&(u=c.move(c.createRangeOn(t),u).end,Fh(c,t,t.nextSibling),Fh(c,t.previousSibling,t))}function $h(t){return t.getLastMatchingPosition(t=>t.item.is("uiElement"))}class Hh extends Ia{static get requires(){return[id]}init(){const t=this.editor;t.model.schema.register("listItem",{inheritAllFrom:"$block",allowAttributes:["listType","listIndent"]});const e=t.data,n=t.editing;t.model.document.registerPostFixer(e=>(function(t,e){const n=t.document.differ.getChanges(),o=new Map;let i=!1;for(const t of n)if("insert"==t.type&&"listItem"==t.name)r(t.position);else if("insert"==t.type&&"listItem"!=t.name){if("$text"!=t.name){const n=t.position.nodeAfter;n.hasAttribute("listIndent")&&(e.removeAttribute("listIndent",n),i=!0),n.hasAttribute("listType")&&(e.removeAttribute("listType",n),i=!0)}r(t.position.getShiftedBy(t.length))}else"remove"==t.type&&"listItem"==t.name?r(t.position):"attribute"==t.type&&"listIndent"==t.attributeKey?r(t.range.start):"attribute"==t.type&&"listType"==t.attributeKey&&r(t.range.start);for(const t of o.values())s(t),a(t);return i;function r(t){const e=t.nodeBefore;if(e&&e.is("listItem")){let n=e;if(o.has(n))return;for(;n.previousSibling&&n.previousSibling.is("listItem");)if(n=n.previousSibling,o.has(n))return;o.set(t.nodeBefore,n)}else{const e=t.nodeAfter;e&&e.is("listItem")&&o.set(e,e)}}function s(t){let n=0,o=null;for(;t&&t.is("listItem");){const r=t.getAttribute("listIndent");if(r>n){let s;null===o?(o=r-n,s=n):(o>r&&(o=r),s=r-o),e.setAttribute("listIndent",s,t),i=!0}else o=null,n=t.getAttribute("listIndent")+1;t=t.nextSibling}}function a(t){let n=[],o=null;for(;t&&t.is("listItem");){const r=t.getAttribute("listIndent");if(o&&o.getAttribute("listIndent")>r&&(n=n.slice(0,r+1)),0!=r)if(n[r]){const o=n[r];t.getAttribute("listType")!=o&&(e.setAttribute("listType",o,t),i=!0)}else n[r]=t.getAttribute("listType");o=t,t=t.nextSibling}}})(t.model,e)),n.mapper.registerViewToModelLength("li",Wh),e.mapper.registerViewToModelLength("li",Wh),n.mapper.on("modelToViewPosition",Lh(n.view)),n.mapper.on("viewToModelPosition",function(t){return(e,n)=>{const o=n.viewPosition,i=o.parent,r=n.mapper;if("ul"==i.name||"ol"==i.name){if(o.isAtEnd){const e=r.toModelElement(o.nodeBefore),i=r.getModelLength(o.nodeBefore);n.modelPosition=t.createPositionBefore(e).getShiftedBy(i)}else{const e=r.toModelElement(o.nodeAfter);n.modelPosition=t.createPositionBefore(e)}e.stop()}else if("li"==i.name&&o.nodeBefore&&("ul"==o.nodeBefore.name||"ol"==o.nodeBefore.name)){const s=r.toModelElement(i);let a=1,c=o.nodeBefore;for(;c&&(c.is("ul")||c.is("ol"));)a+=r.getModelLength(c),c=c.previousSibling;n.modelPosition=t.createPositionBefore(s).getShiftedBy(a),e.stop()}}}(t.model)),e.mapper.on("modelToViewPosition",Lh(n.view)),n.downcastDispatcher.on("insert",Oh,{priority:"high"}),n.downcastDispatcher.on("insert:listItem",Eh(t.model)),e.downcastDispatcher.on("insert",Oh,{priority:"high"}),e.downcastDispatcher.on("insert:listItem",Eh(t.model)),n.downcastDispatcher.on("attribute:listType:listItem",Mh),e.downcastDispatcher.on("attribute:listType:listItem",Mh),n.downcastDispatcher.on("attribute:listIndent:listItem",Ih(t.model)),e.downcastDispatcher.on("attribute:listIndent:listItem",Ih(t.model)),n.downcastDispatcher.on("remove:listItem",Sh(t.model)),n.downcastDispatcher.on("remove",Nh,{priority:"low"}),e.downcastDispatcher.on("remove:listItem",Sh(t.model)),e.downcastDispatcher.on("remove",Nh,{priority:"low"}),e.upcastDispatcher.on("element:ul",jh,{priority:"high"}),e.upcastDispatcher.on("element:ol",jh,{priority:"high"}),e.upcastDispatcher.on("element:li",Dh,{priority:"high"}),e.upcastDispatcher.on("element:li",Rh),t.model.on("insertContent",Vh,{priority:"high"}),t.commands.add("numberedList",new xh(t,"numbered")),t.commands.add("bulletedList",new xh(t,"bulleted")),t.commands.add("indentList",new Ch(t,"forward")),t.commands.add("outdentList",new Ch(t,"backward"));const o=this.editor.editing.view.document;this.listenTo(o,"enter",(t,e)=>{const n=this.editor.model.document,o=n.selection.getLastPosition().parent;n.selection.isCollapsed&&"listItem"==o.name&&o.isEmpty&&(this.editor.execute("outdentList"),e.preventDefault(),t.stop())}),this.listenTo(o,"delete",(t,e)=>{if("backward"!==e.direction)return;const n=this.editor.model.document.selection;if(!n.isCollapsed)return;const o=n.getFirstPosition();if(!o.isAtStart)return;const i=o.parent;"listItem"===i.name&&(i.previousSibling&&"listItem"===i.previousSibling.name||(this.editor.execute("outdentList"),e.preventDefault(),t.stop()))},{priority:"high"});const i=t=>(e,n)=>{this.editor.commands.get(t).isEnabled&&(this.editor.execute(t),n())};this.editor.keystrokes.set("Tab",i("indentList")),this.editor.keystrokes.set("Shift+Tab",i("outdentList"))}}function Wh(t){let e=1;for(const n of t.getChildren())if("ul"==n.name||"ol"==n.name)for(const t of n.getChildren())e+=Wh(t);return e}var Yh=n(37),Gh=n.n(Yh),Qh=n(38),Jh=n.n(Qh);class Kh extends Ia{init(){const t=this.editor.t;this._addButton("numberedList",t("o"),Gh.a),this._addButton("bulletedList",t("p"),Jh.a)}_addButton(t,e,n){const o=this.editor;o.ui.componentFactory.add(t,i=>{const r=o.commands.get(t),s=new Cc(i);return s.set({label:e,icon:n,tooltip:!0}),s.bind("isOn","isEnabled").to(r,"value","isEnabled"),this.listenTo(s,"execute",()=>o.execute(t)),s})}}function Zh(t,e){return t=>{t.on("attribute:url:media",n)};function n(n,o,i){if(!i.consumable.consume(o.item,n.name))return;const r=o.attributeNewValue,s=i.writer,a=i.mapper.toViewElement(o.item);s.remove(s.createRangeIn(a));const c=t.getMediaViewElement(s,r,e);s.insert(s.createPositionAt(a,0),c)}}function Xh(t,e,n,o){const i=t.createContainerElement("figure",{class:"media"});return i.getFillerOffset=nf,t.insert(t.createPositionAt(i,0),e.getMediaViewElement(t,n,o)),i}function tf(t){const e=t.getSelectedElement();return e&&e.is("media")?e:null}function ef(t,e,n){t.change(o=>{const i=o.createElement("media",{url:e});t.insertContent(i,n),o.setSelection(i,"on")})}function nf(){return null}class of extends Da{refresh(){const t=this.editor.model,e=t.document.selection,n=t.schema,o=e.getFirstPosition(),i=tf(e);let r=o.parent;r!=r.root&&(r=r.parent),this.value=i?i.getAttribute("url"):null,this.isEnabled=n.checkChild(r,"media")}execute(t){const e=this.editor.model,n=e.document.selection,o=tf(n);if(o)e.change(e=>{e.setAttribute("url",t,o)});else{const o=$l(n,e);ef(e,t,o)}}}var rf=n(39),sf=n.n(rf);const af="0 0 64 42";class cf{constructor(t,e){const n=e.providers,o=e.extraProviders||[],i=new Set(e.removeProviders),r=n.concat(o).filter(t=>{const e=t.name;return e?!i.has(e):(ai.a.warn("media-embed-no-provider-name: The configured media provider has no name and cannot be used.",{provider:t}),!1)});this.locale=t,this.providerDefinitions=r}hasMedia(t){return!!this._getMedia(t)}getMediaViewElement(t,e,n){return this._getMedia(e).getViewElement(t,n)}_getMedia(t){if(!t)return new lf(this.locale);t=t.trim();for(const e of this.providerDefinitions){const n=e.html;let o=e.url;Array.isArray(o)||(o=[o]);for(const e of o){const o=this._getUrlMatches(t,e);if(o)return new lf(this.locale,t,o,n)}}return null}_getUrlMatches(t,e){let n=t.match(e);if(n)return n;let o=t.replace(/^https?:\/\//,"");return(n=o.match(e))?n:(n=(o=o.replace(/^www\./,"")).match(e))||null}}class lf{constructor(t,e,n,o){this.url=this._getValidUrl(e),this._t=t.t,this._match=n,this._previewRenderer=o}getViewElement(t,e){const n={};if(e.renderForEditingView||e.renderMediaPreview&&this.url&&this._previewRenderer){this.url&&(n["data-oembed-url"]=this.url),e.renderForEditingView&&(n.class="ck-media__wrapper");const o=this._getPreviewHtml(e);return t.createUIElement("div",n,function(t){const e=this.toDomElement(t);return e.innerHTML=o,e})}return this.url&&(n.url=this.url),t.createEmptyElement("oembed",n)}_getPreviewHtml(t){return this._previewRenderer?this._previewRenderer(this._match):this.url&&t.renderForEditingView?this._getPlaceholderHtml():""}_getPlaceholderHtml(){const t=new Tc,e=new Ac;return t.text=this._t("Open media in new tab"),e.content=sf.a,e.viewBox=af,new Zs({tag:"div",attributes:{class:"ck ck-reset_all ck-media__placeholder"},children:[{tag:"div",attributes:{class:"ck-media__placeholder__icon"},children:[e]},{tag:"a",attributes:{class:"ck-media__placeholder__url",target:"new",href:this.url},children:[{tag:"span",attributes:{class:"ck-media__placeholder__url__text"},children:[this.url]},t]}]}).render().outerHTML}_getValidUrl(t){return t?t.match(/^https?/)?t:"https://"+t:null}}n(111);class uf extends Ia{static get pluginName(){return"MediaEmbedEditing"}constructor(t){super(t),t.config.define("mediaEmbed",{providers:[{name:"dailymotion",url:/^dailymotion\.com\/video\/(\w+)/,html:t=>'<div style="position: relative; padding-bottom: 100%; height: 0; ">'+`<iframe src="https://www.dailymotion.com/embed/video/${t[1]}" `+'style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" width="480" height="270" allowfullscreen allow="autoplay"></iframe></div>'},{name:"spotify",url:[/^open\.spotify\.com\/(artist\/\w+)/,/^open\.spotify\.com\/(album\/\w+)/,/^open\.spotify\.com\/(track\/\w+)/],html:t=>'<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 126%;">'+`<iframe src="https://open.spotify.com/embed/${t[1]}" `+'style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" allowtransparency="true" allow="encrypted-media"></iframe></div>'},{name:"youtube",url:[/^(?:m\.)?youtube\.com\/watch\?v=([\w-]+)/,/^(?:m\.)?youtube\.com\/v\/([\w-]+)/,/^youtube\.com\/embed\/([\w-]+)/,/^youtu\.be\/([\w-]+)/],html:t=>'<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 56.2493%;">'+`<iframe src="https://www.youtube.com/embed/${t[1]}" `+'style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe></div>'},{name:"vimeo",url:[/^vimeo\.com\/(\d+)/,/^vimeo\.com\/[^/]+\/[^/]+\/video\/(\d+)/,/^vimeo\.com\/album\/[^/]+\/video\/(\d+)/,/^vimeo\.com\/channels\/[^/]+\/(\d+)/,/^vimeo\.com\/groups\/[^/]+\/videos\/(\d+)/,/^vimeo\.com\/ondemand\/[^/]+\/(\d+)/,/^player\.vimeo\.com\/video\/(\d+)/],html:t=>'<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 56.2493%;">'+`<iframe src="https://player.vimeo.com/video/${t[1]}" `+'style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe></div>'},{name:"instagram",url:/^instagram\.com\/p\/(\w+)/},{name:"twitter",url:/^twitter\.com/},{name:"googleMaps",url:/^google\.com\/maps/},{name:"flickr",url:/^flickr\.com/},{name:"facebook",url:/^facebook\.com/}]}),this.registry=new cf(t.locale,t.config.get("mediaEmbed"))}init(){const t=this.editor,e=t.model.schema,n=t.t,o=t.conversion,i=t.config.get("mediaEmbed.previewsInData"),r=this.registry;t.commands.add("mediaEmbed",new of(t)),e.register("media",{isObject:!0,isBlock:!0,allowWhere:"$block",allowAttributes:["url"]}),o.for("dataDowncast").elementToElement({model:"media",view:(t,e)=>{const n=t.getAttribute("url");return Xh(e,r,n,{renderMediaPreview:n&&i})}}),o.for("dataDowncast").add(Zh(r,{renderMediaPreview:i})),o.for("editingDowncast").elementToElement({model:"media",view:(t,e)=>{const o=t.getAttribute("url");return function(t,e,n){return e.setCustomProperty("media",!0,t),Fl(t,e,{label:n})}(Xh(e,r,o,{renderForEditingView:!0}),e,n("ak"))}}),o.for("editingDowncast").add(Zh(r,{renderForEditingView:!0})),o.for("upcast").elementToElement({view:{name:"oembed",attributes:{url:!0}},model:(t,e)=>{const n=t.getAttribute("url");if(r.hasMedia(n))return e.createElement("media",{url:n})}}).elementToElement({view:{name:"div",attributes:{"data-oembed-url":!0}},model:(t,e)=>{const n=t.getAttribute("data-oembed-url");if(r.hasMedia(n))return e.createElement("media",{url:n})}})}}const df=/^(?:http(s)?:\/\/)?[\w.-]+(?:\.[\w.-]+)+[\w\-._~:/?#[\]@!$&'()*+,;=]+$/;class hf extends Ia{static get requires(){return[ja,Oc]}static get pluginName(){return"AutoMediaEmbed"}constructor(t){super(t),this._timeoutId=null,this._positionToInsert=null}init(){const t=this.editor,e=t.model.document;this.listenTo(t.plugins.get(ja),"inputTransformation",()=>{const t=e.selection.getFirstRange(),n=vs.fromPosition(t.start);n.stickiness="toPrevious";const o=vs.fromPosition(t.end);o.stickiness="toNext",e.once("change:data",()=>{this._embedMediaBetweenPositions(n,o),n.detach(),o.detach()},{priority:"high"})}),t.commands.get("undo").on("execute",()=>{this._timeoutId&&(wo.window.clearTimeout(this._timeoutId),this._positionToInsert.detach(),this._timeoutId=null,this._positionToInsert=null)},{priority:"high"})}_embedMediaBetweenPositions(t,e){const n=this.editor,o=n.plugins.get(uf).registry,i=new Gi(t,e),r=i.getWalker({ignoreElementEnd:!0});let s="";for(const t of r)t.item.is("textProxy")&&(s+=t.item.data);(s=s.trim()).match(df)&&o.hasMedia(s)&&n.commands.get("mediaEmbed").isEnabled&&(this._positionToInsert=vs.fromPosition(t),this._timeoutId=wo.window.setTimeout(()=>{n.model.change(t=>{let e;this._timeoutId=null,t.remove(i),"$graveyard"!==this._positionToInsert.root.rootName&&(e=this._positionToInsert),ef(n.model,s,e),this._positionToInsert.detach(),this._positionToInsert=null})},100))}}n(113);class ff extends ga{constructor(t,e){super(e);const n=e.t;this.focusTracker=new Us,this.keystrokes=new Ns,this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(n("ay"),uu.a,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(n("az"),hu.a,"ck-button-cancel","cancel"),this._focusables=new Js,this._focusCycler=new Ta({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this._validators=t,this.setTemplate({tag:"form",attributes:{class:["ck","ck-media-form"],tabindex:"-1"},children:[this.urlInputView,this.saveButtonView,this.cancelButtonView]})}render(){super.render(),cu({view:this}),[this.urlInputView,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)}),this.keystrokes.listenTo(this.element);const t=t=>t.stopPropagation();this.keystrokes.set("arrowright",t),this.keystrokes.set("arrowleft",t),this.keystrokes.set("arrowup",t),this.keystrokes.set("arrowdown",t),this.listenTo(this.urlInputView.element,"selectstart",(t,e)=>{e.stopPropagation()},{priority:"high"})}focus(){this._focusCycler.focusFirst()}get url(){return this.urlInputView.inputView.element.value.trim()}set url(t){this.urlInputView.inputView.element.value=t.trim()}isValid(){this.resetFormStatus();for(const t of this._validators){const e=t(this);if(e)return this.urlInputView.errorText=e,!1}return!0}resetFormStatus(){this.urlInputView.errorText=null,this.urlInputView.infoText=this._urlInputViewInfoDefault}_createUrlInput(){const t=this.locale.t,e=new su(this.locale,au),n=e.inputView;return this._urlInputViewInfoDefault=t("bb"),this._urlInputViewInfoTip=t("bc"),e.label=t("bd"),e.infoText=this._urlInputViewInfoDefault,n.placeholder="https://example.com",n.on("input",()=>{e.infoText=n.element.value?this._urlInputViewInfoTip:this._urlInputViewInfoDefault}),e}_createButton(t,e,n,o){const i=new Cc(this.locale);return i.set({label:t,icon:e,tooltip:!0}),i.extendTemplate({attributes:{class:n}}),o&&i.delegate("execute").to(this,o),i}}var pf=n(40),mf=n.n(pf);class gf extends Ia{static get requires(){return[uf]}static get pluginName(){return"MediaEmbedUI"}init(){const t=this.editor,e=t.commands.get("mediaEmbed"),n=t.plugins.get(uf).registry;this.form=new ff(function(t,e){return[e=>{if(!e.url.length)return t("am")},n=>{if(!e.hasMedia(n.url))return t("an")}]}(t.t,n),t.locale),t.ui.componentFactory.add("mediaEmbed",n=>{const o=kd(n);return this._setUpDropdown(o,this.form,e,t),this._setUpForm(this.form,o,e),o})}_setUpDropdown(t,e,n){const o=this.editor,i=o.t,r=t.buttonView;function s(){o.editing.view.focus(),t.isOpen=!1}t.bind("isEnabled").to(n),t.panelView.children.add(e),r.set({label:i("al"),icon:mf.a,tooltip:!0}),r.on("open",()=>{e.url=n.value||"",e.urlInputView.select(),e.focus()},{priority:"low"}),t.on("submit",()=>{e.isValid()&&(o.execute("mediaEmbed",e.url),s())}),t.on("change:isOpen",()=>e.resetFormStatus()),t.on("cancel",()=>s())}_setUpForm(t,e,n){t.delegate("submit","cancel").to(e),t.urlInputView.bind("value").to(n,"value"),t.urlInputView.bind("isReadOnly").to(n,"isEnabled",t=>!t),t.saveButtonView.bind("isEnabled").to(n)}}function bf(t){return t.replace(/<span(?: class="Apple-converted-space"|)>(\s+)<\/span>/g,(t,e)=>1===e.length?" ":Array(e.length+1).join("  ").substr(0,e.length))}function wf(t){const e={},n=t.getStyle("mso-list");return n&&(e.id=parseInt(n.match(/(^|\s+)l(\d+)/i)[2]),e.order=parseInt(n.match(/\s*lfo(\d+)/i)[1]),e.indent=parseInt(n.match(/\s*level(\d+)/i)[1])),e}function _f(t){return btoa(t.match(/\w{2}/g).map(t=>String.fromCharCode(parseInt(t,16))).join(""))}function vf(t,e){let n=e.parent;for(;n;){if(n.name===t)return n;n=n.parent}}function kf(t,e,n,o,i=1){e>i?o.setAttribute(t,e,n):o.removeAttribute(t,n)}function yf(t,e,n={}){const o=t.createElement("tableCell",n);t.insertElement("paragraph",o),t.insert(o,e)}function xf(t){return e=>{e.on(`element:${t}`,(t,e,n)=>{const o=e.viewItem;if(!n.consumable.test(o,{name:!0}))return;const i=n.writer.createElement("tableCell"),r=n.splitToAllowedParent(i,e.modelCursor);if(!r)return;n.writer.insert(i,r.position),n.consumable.consume(o,{name:!0});const s=n.writer.createPositionAt(i,0);n.convertChildren(o,s),i.childCount||n.writer.insertElement("paragraph",s),e.modelRange=n.writer.createRange(n.writer.createPositionBefore(i),n.writer.createPositionAfter(i)),e.modelCursor=e.modelRange.end})}}function Af(t){let e=0,n=0;const o=Array.from(t.getChildren()).filter(t=>"th"===t.name||"td"===t.name);for(;n<o.length&&"th"===o[n].name;){const t=o[n];e+=parseInt(t.getAttribute("colspan")||1),n++}return e}n(115);class Tf{constructor(t,e={}){this.table=t,this.startRow=e.startRow||0,this.endRow="number"==typeof e.endRow?e.endRow:void 0,this.includeSpanned=!!e.includeSpanned,this.column="number"==typeof e.column?e.column:void 0,this._skipRows=new Set,this._row=0,this._column=0,this._cell=0,this._spannedCells=new Map}[Symbol.iterator](){return this}next(){const t=this.table.getChild(this._row);if(!t||this._isOverEndRow())return{done:!0};if(this._isSpanned(this._row,this._column)){const t=this._column,e=this._formatOutValue(void 0,t);return this._column++,!this.includeSpanned||this._shouldSkipRow()||this._shouldSkipColumn(t,1)?this.next():e}const e=t.getChild(this._cell);if(!e)return this._row++,this._column=0,this._cell=0,this.next();const n=parseInt(e.getAttribute("colspan")||1),o=parseInt(e.getAttribute("rowspan")||1);(n>1||o>1)&&this._recordSpans(this._row,this._column,o,n);const i=this._column,r=this._formatOutValue(e,i,o,n);return this._column++,this._cell++,this._shouldSkipRow()||this._shouldSkipColumn(i,n)?this.next():r}skipRow(t){this._skipRows.add(t)}_isOverEndRow(){return void 0!==this.endRow&&this._row>this.endRow}_formatOutValue(t,e,n=1,o=1){return{done:!1,value:{cell:t,row:this._row,column:e,rowspan:n,colspan:o,cellIndex:this._cell}}}_shouldSkipRow(){const t=this._row<this.startRow,e=this._skipRows.has(this._row);return t||e}_shouldSkipColumn(t,e){if(void 0===this.column)return!1;const n=t===this.column,o=t<this.column&&t+e>this.column;return!n&&!o}_isSpanned(t,e){return!!this._spannedCells.has(t)&&this._spannedCells.get(t).has(e)}_recordSpans(t,e,n,o){for(let n=e+1;n<=e+o-1;n++)this._markSpannedCell(t,n);for(let i=t+1;i<t+n;i++)for(let t=e;t<=e+o-1;t++)this._markSpannedCell(i,t)}_markSpannedCell(t,e){this._spannedCells.has(t)||this._spannedCells.set(t,new Map),this._spannedCells.get(t).set(e,!0)}}function Cf(t){return!!t.getCustomProperty("table")&&Bl(t)}function Pf(t){const e=t.getSelectedElement();return e&&Cf(e)?e:null}function Ef(t){const e=vf("table",t.getFirstPosition());return e&&Cf(e.parent)?e.parent:null}function Sf(t={}){return e=>e.on("insert:table",(e,n,o)=>{const i=n.item;if(!o.consumable.consume(i,"insert"))return;o.consumable.consume(i,"attribute:headingRows:table"),o.consumable.consume(i,"attribute:headingColumns:table");const r=t&&t.asWidget,s=o.writer.createContainerElement("figure",{class:"table"}),a=o.writer.createContainerElement("table");let c;o.writer.insert(o.writer.createPositionAt(s,0),a),r&&(c=function(t,e){return e.setCustomProperty("table",!0,t),Fl(t,e,{hasSelectionHandler:!0})}(s,o.writer));const l=new Tf(i),u={headingRows:i.getAttribute("headingRows")||0,headingColumns:i.getAttribute("headingColumns")||0},d=new Map;for(const e of l){const{row:n,cell:r}=e,s=Bf(zf(n,u),a,o),c=i.getChild(n),l=d.get(n)||Lf(c,n,s,o);d.set(n,l),o.consumable.consume(r,"insert"),Df(e,u,o.writer.createPositionAt(l,"end"),o,t)}const h=o.mapper.toViewPosition(n.range.start);o.mapper.bindElements(i,r?c:s),o.writer.insert(h,r?c:s)})}function Mf(t={}){return e=>e.on("insert:tableRow",(e,n,o)=>{const i=n.item;if(!o.consumable.consume(i,"insert"))return;const r=i.parent,s=$f(o.mapper.toViewElement(r)),a=r.getChildIndex(i),c=new Tf(r,{startRow:a,endRow:a}),l={headingRows:r.getAttribute("headingRows")||0,headingColumns:r.getAttribute("headingColumns")||0},u=new Map;for(const e of c){const n=Bf(zf(a,l),s,o),r=u.get(a)||Lf(i,a,n,o);u.set(a,r),o.consumable.consume(e.cell,"insert"),Df(e,l,o.writer.createPositionAt(r,"end"),o,t)}})}function If(t={}){return e=>e.on("insert:tableCell",(e,n,o)=>{const i=n.item;if(!o.consumable.consume(i,"insert"))return;const r=i.parent,s=r.parent,a=s.getChildIndex(r),c=new Tf(s,{startRow:a,endRow:a}),l={headingRows:s.getAttribute("headingRows")||0,headingColumns:s.getAttribute("headingColumns")||0};for(const e of c)if(e.cell===i){const n=o.mapper.toViewElement(r);return void Df(e,l,o.writer.createPositionAt(n,r.getChildIndex(i)),o,t)}})}function Of(t={}){const e=!!t.asWidget;return t=>t.on("attribute:headingRows:table",(t,n,o)=>{const i=n.item;if(!o.consumable.consume(n.item,t.name))return;const r=$f(o.mapper.toViewElement(i)),s=n.attributeOldValue,a=n.attributeNewValue;if(a>s){const t=Array.from(i.getChildren()).filter(({index:t})=>c(t,s-1,a));qf(t,Bf("thead",r,o),o,"end");for(const n of t)for(const t of n.getChildren())Rf(t,"th",o,e);Uf("tbody",r,o)}else{qf(Array.from(i.getChildren()).filter(({index:t})=>c(t,a-1,s)).reverse(),Bf("tbody",r,o),o,0);const t=new Tf(i,{startRow:a?a-1:a,endRow:s-1}),n={headingRows:i.getAttribute("headingRows")||0,headingColumns:i.getAttribute("headingColumns")||0};for(const i of t)jf(i,n,o,e);Uf("thead",r,o)}function c(t,e,n){return t>e&&t<n}})}function Nf(t={}){const e=!!t.asWidget;return t=>t.on("attribute:headingColumns:table",(t,n,o)=>{const i=n.item;if(!o.consumable.consume(n.item,t.name))return;const r={headingRows:i.getAttribute("headingRows")||0,headingColumns:i.getAttribute("headingColumns")||0},s=n.attributeOldValue,a=n.attributeNewValue,c=(s>a?s:a)-1;for(const t of new Tf(i))t.column>c||jf(t,r,o,e)})}function Rf(t,e,n,o){const i=n.writer,r=n.mapper.toViewElement(t);if(!r)return;let s;o?(s=ql(i.createEditableElement(e,r.getAttributes()),i),i.insert(i.createPositionAfter(r),s),i.move(i.createRangeIn(r),i.createPositionAt(s,0)),i.remove(i.createRangeOn(r))):s=i.rename(e,r),n.mapper.bindElements(t,s)}function jf(t,e,n,o){const{cell:i}=t,r=Vf(t,e),s=n.mapper.toViewElement(i);s&&s.name!==r&&Rf(i,r,n,o)}function Df(t,e,n,o,i){const r=i&&i.asWidget,s=Vf(t,e),a=r?ql(o.writer.createEditableElement(s),o.writer):o.writer.createContainerElement(s),c=t.cell,l=c.getChild(0),u=1===c.childCount&&"paragraph"===l.name;if(o.writer.insert(n,a),u&&![...l.getAttributeKeys()].length){const t=c.getChild(0),e=o.writer.createPositionAt(a,"end");if(o.consumable.consume(t,"insert"),i.asWidget){const n=o.writer.createContainerElement("span");o.mapper.bindElements(t,n),o.writer.insert(e,n),o.mapper.bindElements(c,a)}else o.mapper.bindElements(c,a),o.mapper.bindElements(t,a)}else o.mapper.bindElements(c,a)}function Lf(t,e,n,o){o.consumable.consume(t,"insert");const i=o.writer.createContainerElement("tr");o.mapper.bindElements(t,i);const r=t.parent.getAttribute("headingRows")||0,s=r>0&&e>=r?e-r:e,a=o.writer.createPositionAt(n,s);return o.writer.insert(a,i),i}function Vf(t,e){const{row:n,column:o}=t,{headingColumns:i,headingRows:r}=e;return r&&r>n?"th":i&&i>o?"th":"td"}function zf(t,e){return t<e.headingRows?"thead":"tbody"}function Bf(t,e,n){return Ff(t,e)||function(t,e,n){const o=n.writer.createContainerElement(t),i=n.writer.createPositionAt(e,"tbody"==t?"end":0);return n.writer.insert(i,o),o}(t,e,n)}function Ff(t,e){for(const n of e.getChildren())if(n.name==t)return n}function Uf(t,e,n){const o=Ff(t,e);o&&0===o.childCount&&n.writer.remove(n.writer.createRangeOn(o))}function qf(t,e,n,o){for(const i of t){const t=n.mapper.toViewElement(i);t&&n.writer.move(n.writer.createRangeOn(t),n.writer.createPositionAt(e,o))}}function $f(t){for(const e of t.getChildren())if("table"===e.name)return e}class Hf extends Da{refresh(){const t=this.editor.model,e=t.document.selection,n=t.schema,o=function(t){const e=t.parent;return e===e.root?e:e.parent}(e.getFirstPosition());this.isEnabled=n.checkChild(o,"table")}execute(t={}){const e=this.editor.model,n=e.document.selection,o=this.editor.plugins.get("TableUtils"),i=parseInt(t.rows)||2,r=parseInt(t.columns)||2,s=$l(n,e);e.change(t=>{const n=o.createTable(t,i,r);e.insertContent(n,s),t.setSelection(t.createPositionAt(n.getNodeByPath([0,0,0]),0))})}}class Wf extends Da{constructor(t,e={}){super(t),this.order=e.order||"below"}refresh(){const t=vf("table",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get("TableUtils"),o=vf("tableCell",e.getFirstPosition()).parent,i=o.parent,r=i.getChildIndex(o),s="below"===this.order?r+1:r;n.insertRows(i,{rows:1,at:s})}}class Yf extends Da{constructor(t,e={}){super(t),this.order=e.order||"right"}refresh(){const t=vf("table",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get("TableUtils"),o=vf("tableCell",e.getFirstPosition()),i=o.parent.parent,{column:r}=n.getCellLocation(o),s="right"===this.order?r+1:r;n.insertColumns(i,{columns:1,at:s})}}class Gf extends Da{constructor(t,e={}){super(t),this.direction=e.direction||"horizontally"}refresh(){const t=vf("tableCell",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=vf("tableCell",this.editor.model.document.selection.getFirstPosition()),e="horizontally"===this.direction,n=this.editor.plugins.get("TableUtils");e?n.splitCellHorizontally(t,2):n.splitCellVertically(t,2)}}class Qf extends Da{constructor(t,e){super(t),this.direction=e.direction,this.isHorizontal="right"==this.direction||"left"==this.direction}refresh(){const t=this._getMergeableCell();this.isEnabled=!!t,this.value=t}execute(){const t=this.editor.model,e=vf("tableCell",t.document.selection.getFirstPosition()),n=this.value,o=this.direction;t.change(t=>{const i="right"==o||"down"==o,r=i?e:n,s=i?n:e,a=s.parent;!function(t,e,n){Jf(t)||(Jf(e)&&n.remove(n.createRangeIn(e)),n.move(n.createRangeIn(t),n.createPositionAt(e,"end"))),n.remove(t)}(s,r,t);const c=this.isHorizontal?"colspan":"rowspan",l=parseInt(e.getAttribute(c)||1),u=parseInt(n.getAttribute(c)||1);t.setAttribute(c,l+u,r),t.setSelection(t.createRangeIn(r)),a.childCount||function(t,e){const n=t.parent,o=n.getChildIndex(t);for(const{cell:t,row:i,rowspan:r}of new Tf(n,{endRow:o})){i+r-1>=o&&kf("rowspan",r-1,t,e)}e.remove(t)}(a,t)})}_getMergeableCell(){const t=vf("tableCell",this.editor.model.document.selection.getFirstPosition());if(!t)return;const e=this.editor.plugins.get("TableUtils"),n=this.isHorizontal?function(t,e,n){const o="right"==e?t.nextSibling:t.previousSibling;if(!o)return;const i="right"==e?t:o,r="right"==e?o:t,{column:s}=n.getCellLocation(i),{column:a}=n.getCellLocation(r);return s+parseInt(i.getAttribute("colspan")||1)===a?o:void 0}(t,this.direction,e):function(t,e){const n=t.parent,o=n.parent,i=o.getChildIndex(n);if("down"==e&&i===o.childCount-1||"up"==e&&0===i)return;const r=parseInt(t.getAttribute("rowspan")||1),s=o.getAttribute("headingRows")||0;if(s&&("down"==e&&i+r===s||"up"==e&&i===s))return;const a=parseInt(t.getAttribute("rowspan")||1),c="down"==e?i+a:i,l=[...new Tf(o,{endRow:c})],u=l.find(e=>e.cell===t).column,d=l.find(({row:t,rowspan:n,column:o})=>o===u&&("down"==e?t===c:c===t+n));return d&&d.cell}(t,this.direction);if(!n)return;const o=this.isHorizontal?"rowspan":"colspan",i=parseInt(t.getAttribute(o)||1);return parseInt(n.getAttribute(o)||1)===i?n:void 0}}function Jf(t){return 1==t.childCount&&t.getChild(0).is("paragraph")&&t.getChild(0).isEmpty}class Kf extends Da{refresh(){const t=vf("tableCell",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t&&t.parent.parent.childCount>1}execute(){const t=this.editor.model,e=vf("tableCell",t.document.selection.getFirstPosition()).parent,n=e.parent,o=n.getChildIndex(e),i=n.getAttribute("headingRows")||0;t.change(t=>{i&&o<=i&&kf("headingRows",i-1,n,t,0);const r=[...new Tf(n,{endRow:o})],s=new Map;r.filter(({row:t,rowspan:e})=>t===o&&e>1).forEach(({column:t,cell:e,rowspan:n})=>s.set(t,{cell:e,rowspanToSet:n-1})),r.filter(({row:t,rowspan:e})=>t<=o-1&&t+e>o).forEach(({cell:e,rowspan:n})=>kf("rowspan",n-1,e,t));const a=o+1,c=new Tf(n,{includeSpanned:!0,startRow:a,endRow:a});let l;for(const{row:e,column:o,cell:i}of[...c])if(s.has(o)){const{cell:i,rowspanToSet:r}=s.get(o),a=l?t.createPositionAfter(l):t.createPositionAt(n.getChild(e),0);t.move(t.createRangeOn(i),a),kf("rowspan",r,i,t),l=i}else l=i;t.remove(e)})}}class Zf extends Da{refresh(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get("TableUtils"),o=vf("tableCell",e.getFirstPosition());this.isEnabled=!!o&&n.getColumns(o.parent.parent)>1}execute(){const t=this.editor.model,e=vf("tableCell",t.document.selection.getFirstPosition()),n=e.parent,o=n.parent,i=o.getAttribute("headingColumns")||0,r=o.getChildIndex(n),s=[...new Tf(o)],a=s.find(t=>t.cell===e).column;t.change(t=>{i&&r<=i&&t.setAttribute("headingColumns",i-1,o);for(const{cell:e,column:n,colspan:o}of s)n<=a&&o>1&&n+o>a?kf("colspan",o-1,e,t):n===a&&t.remove(e)})}}class Xf extends Da{refresh(){const t=vf("tableCell",this.editor.model.document.selection.getFirstPosition()),e=!!t;this.isEnabled=e,this.value=e&&this._isInHeading(t,t.parent.parent)}execute(){const t=this.editor.model,e=vf("tableCell",t.document.selection.getFirstPosition()).parent,n=e.parent,o=n.getAttribute("headingRows")||0,i=e.index,r=o>i?i:i+1;t.change(t=>{if(r){const e=function(t,e,n){const o=[],i=new Tf(t,{startRow:e>n?n:0,endRow:e-1});for(const{row:t,rowspan:n,cell:r}of i)n>1&&t+n>e&&o.push(r);return o}(n,r,o);for(const n of e)tp(n,r,t)}kf("headingRows",r,n,t,0)})}_isInHeading(t,e){const n=parseInt(e.getAttribute("headingRows")||0);return!!n&&t.parent.index<n}}function tp(t,e,n){const o=t.parent,i=o.parent,r=e-o.index,s={},a=parseInt(t.getAttribute("rowspan"))-r;a>1&&(s.rowspan=a);const c=i.getChildIndex(o),l=c+r,u=[...new Tf(i,{startRow:c,endRow:l,includeSpanned:!0})];let d;for(const{row:e,column:o,cell:r,colspan:a,cellIndex:c}of u)if(r===t&&(d=o,a>1&&(s.colspan=a)),void 0!==d&&d===o&&e===l){const t=i.getChild(e);yf(n,n.createPositionAt(t,c),s)}kf("rowspan",r,t,n)}class ep extends Da{refresh(){const t=vf("tableCell",this.editor.model.document.selection.getFirstPosition()),e=!!t;this.isEnabled=e,this.value=e&&this._isInHeading(t,t.parent.parent)}execute(){const t=this.editor.model,e=t.document.selection,n=this.editor.plugins.get("TableUtils"),o=vf("tableCell",e.getFirstPosition().parent),i=o.parent.parent,r=parseInt(i.getAttribute("headingColumns")||0),{column:s}=n.getCellLocation(o),a=r>s?s:s+1;t.change(t=>{kf("headingColumns",a,i,t,0)})}_isInHeading(t,e){const n=parseInt(e.getAttribute("headingColumns")||0),o=this.editor.plugins.get("TableUtils"),{column:i}=o.getCellLocation(t);return!!n&&i<n}}class np extends Ia{static get pluginName(){return"TableUtils"}getCellLocation(t){const e=t.parent,n=e.parent,o=n.getChildIndex(e),i=new Tf(n,{startRow:o,endRow:o});for(const{cell:e,row:n,column:o}of i)if(e===t)return{row:n,column:o}}createTable(t,e,n){const o=t.createElement("table");return op(t,o,0,e,n),o}insertRows(t,e={}){const n=this.editor.model,o=e.at||0,i=e.rows||1;n.change(e=>{const n=t.getAttribute("headingRows")||0;if(n>o&&e.setAttribute("headingRows",n+i,t),0===o||o===t.childCount)return void op(e,t,o,i,this.getColumns(t));const r=new Tf(t,{endRow:o});let s=0;for(const{row:t,rowspan:n,colspan:a,cell:c}of r)t<o&&t+n>o&&e.setAttribute("rowspan",n+i,c),t===o&&(s+=a);op(e,t,o,i,s)})}insertColumns(t,e={}){const n=this.editor.model,o=e.at||0,i=e.columns||1;n.change(e=>{const n=t.getAttribute("headingColumns");o<n&&e.setAttribute("headingColumns",n+i,t);const r=this.getColumns(t);if(0===o||r===o){for(const n of t.getChildren())ip(i,e,e.createPositionAt(n,o?"end":0));return}const s=new Tf(t,{column:o,includeSpanned:!0});for(const{row:n,column:r,cell:a,colspan:c,rowspan:l,cellIndex:u}of s)if(r!==o){if(e.setAttribute("colspan",c+i,a),s.skipRow(n),l>1)for(let t=n+1;t<n+l;t++)s.skipRow(t)}else{const o=e.createPositionAt(t.getChild(n),u);ip(i,e,o)}})}splitCellVertically(t,e=2){const n=this.editor.model,o=t.parent.parent,i=parseInt(t.getAttribute("rowspan")||1),r=parseInt(t.getAttribute("colspan")||1);n.change(n=>{if(r>1){const{newCellsSpan:o,updatedSpan:s}=rp(r,e);kf("colspan",s,t,n);const a={};o>1&&(a.colspan=o),i>1&&(a.rowspan=i),ip(r>e?e-1:r-1,n,n.createPositionAfter(t),a)}if(r<e){const s=e-r,a=[...new Tf(o)],{column:c}=a.find(({cell:e})=>e===t),l=a.filter(({cell:e,colspan:n,column:o})=>e!==t&&o===c||o<c&&o+n>c);for(const{cell:t,colspan:e}of l)n.setAttribute("colspan",e+s,t);const u={};i>1&&(u.rowspan=i),ip(s,n,n.createPositionAfter(t),u);const d=o.getAttribute("headingColumns")||0;d>c&&kf("headingColumns",d+s,o,n)}})}splitCellHorizontally(t,e=2){const n=this.editor.model,o=t.parent,i=o.parent,r=i.getChildIndex(o),s=parseInt(t.getAttribute("rowspan")||1),a=parseInt(t.getAttribute("colspan")||1);n.change(n=>{if(s>1){const o=[...new Tf(i,{startRow:r,endRow:r+s-1,includeSpanned:!0})],{newCellsSpan:c,updatedSpan:l}=rp(s,e);kf("rowspan",l,t,n);const{column:u}=o.find(({cell:e})=>e===t),d={};c>1&&(d.rowspan=c),a>1&&(d.colspan=a);for(const{column:t,row:e,cellIndex:s}of o)e>=r+l&&t===u&&(e+r+l)%c==0&&ip(1,n,n.createPositionAt(i.getChild(e),s),d)}if(s<e){const o=e-s,c=[...new Tf(i,{startRow:0,endRow:r})];for(const{cell:e,rowspan:i,row:s}of c)if(e!==t&&s+i>r){const t=i+o;n.setAttribute("rowspan",t,e)}const l={};a>1&&(l.colspan=a),op(n,i,r+1,o,1,l);const u=i.getAttribute("headingRows")||0;u>r&&kf("headingRows",u+o,i,n)}})}getColumns(t){return[...t.getChild(0).getChildren()].reduce((t,e)=>t+parseInt(e.getAttribute("colspan")||1),0)}}function op(t,e,n,o,i,r={}){for(let s=0;s<o;s++){const o=t.createElement("tableRow");t.insert(o,e,n),ip(i,t,t.createPositionAt(o,"end"),r)}}function ip(t,e,n,o={}){for(let i=0;i<t;i++)yf(e,n,o)}function rp(t,e){if(t<e)return{newCellsSpan:1,updatedSpan:1};const n=Math.floor(t/e);return{newCellsSpan:n,updatedSpan:t-n*e+n}}function sp(t,e){let n=!1;const o=function(t){const e=parseInt(t.getAttribute("headingRows")||0),n=t.childCount,o=[];for(const{row:i,rowspan:r,cell:s}of new Tf(t)){if(r<2)continue;const t=i<e?e:n;if(i+r>t){const e=t-i;o.push({cell:s,rowspan:e})}}return o}(t);if(o.length){n=!0;for(const t of o)kf("rowspan",t.rowspan,t.cell,e,1)}return n}function ap(t,e){let n=!1;const o=function(t){const e={};for(const{row:n}of new Tf(t,{includeSpanned:!0}))e[n]||(e[n]=0),e[n]+=1;return e}(t),i=o[0];if(!Object.values(o).every(t=>t===i)){const i=Object.values(o).reduce((t,e)=>e>t?e:t,0);for(const[r,s]of Object.entries(o)){const o=i-s;if(o){for(let n=0;n<o;n++)yf(e,e.createPositionAt(t.getChild(r),"end"));n=!0}}}return n}function cp(t){const e="attribute"===t.type,n=t.attributeKey;return e&&("headingRows"===n||"colspan"===n||"rowspan"===n)}function lp(t,e){let n=!1;for(const o of t.getChildren())n=up(o,e)||n;return n}function up(t,e){let n=!1;for(const o of t.getChildren())n=dp(o,e)||n;return n}function dp(t,e){if(0==t.childCount)return e.insertElement("paragraph",t),!0;const n=Array.from(t.getChildren()).filter(t=>t.is("text"));for(const t of n)e.wrap(e.createRangeOn(t),"paragraph");return!!n.length}function hp(t,e,n){if(!t.root.is("rootElement"))return!1;const o=e.toModelElement(t),i=function(t,e){const n=t.childCount>1,o=!![...e.getAttributes()].length;return n||o?"p":"span"}(o.parent,o);if(t.name!==i){e.unbindViewElement(t);const r=n.rename(i,t);return e.bindElements(o,r),!0}return!1}function fp(t){return t.is("p")||t.is("span")}function pp(t){return t.is("td")||t.is("th")}n(117);class mp extends Ia{init(){const t=this.editor,e=t.model,n=e.schema,o=t.conversion;n.register("table",{allowWhere:"$block",allowAttributes:["headingRows","headingColumns"],isLimit:!0,isObject:!0,isBlock:!0}),n.register("tableRow",{allowIn:"table",isLimit:!0}),n.register("tableCell",{allowIn:"tableRow",allowAttributes:["colspan","rowspan"],isLimit:!0}),n.extend("$block",{allowIn:"tableCell"}),n.addChildCheck((t,e)=>{if("table"==e.name&&Array.from(t.getNames()).includes("table"))return!1}),o.for("upcast").add(t=>{t.on("element:table",(t,e,n)=>{const o=e.viewItem;if(!n.consumable.test(o,{name:!0}))return;const{rows:i,headingRows:r,headingColumns:s}=function(t){const e={headingRows:0,headingColumns:0},n=[],o=[];let i;for(const r of Array.from(t.getChildren()))if("tbody"===r.name||"thead"===r.name||"tfoot"===r.name){"thead"!==r.name||i||(i=r);const t=Array.from(r.getChildren()).filter(t=>t.is("element","tr"));for(const r of t)if("thead"===r.parent.name&&r.parent===i)e.headingRows++,n.push(r);else{o.push(r);const t=Af(r);t>e.headingColumns&&(e.headingColumns=t)}}return e.rows=[...n,...o],e}(o),a={};s&&(a.headingColumns=s),r&&(a.headingRows=r);const c=n.writer.createElement("table",a),l=n.splitToAllowedParent(c,e.modelCursor);if(l){if(n.writer.insert(c,l.position),n.consumable.consume(o,{name:!0}),i.length)i.forEach(t=>n.convertItem(t,n.writer.createPositionAt(c,"end")));else{const t=n.writer.createElement("tableRow");n.writer.insert(t,n.writer.createPositionAt(c,"end")),yf(n.writer,n.writer.createPositionAt(t,"end"))}e.modelRange=n.writer.createRange(n.writer.createPositionBefore(c),n.writer.createPositionAfter(c)),l.cursorParent?e.modelCursor=n.writer.createPositionAt(l.cursorParent,0):e.modelCursor=e.modelRange.end}})}),o.for("editingDowncast").add(Sf({asWidget:!0})),o.for("dataDowncast").add(Sf()),o.for("upcast").elementToElement({model:"tableRow",view:"tr"}),o.for("editingDowncast").add(Mf({asWidget:!0})),o.for("dataDowncast").add(Mf()),o.for("downcast").add(t=>t.on("remove:tableRow",(t,e,n)=>{t.stop();const o=n.writer,i=n.mapper,r=i.toViewPosition(e.position).getLastMatchingPosition(t=>!t.item.is("tr")).nodeAfter,s=r.parent,a=o.createRangeOn(r),c=o.remove(a);for(const t of o.createRangeIn(c).getItems())i.unbindViewElement(t);s.childCount||o.remove(o.createRangeOn(s))},{priority:"higher"})),o.for("upcast").add(xf("td")),o.for("upcast").add(xf("th")),o.for("editingDowncast").add(If({asWidget:!0})),o.for("dataDowncast").add(If()),o.attributeToAttribute({model:"colspan",view:"colspan"}),o.attributeToAttribute({model:"rowspan",view:"rowspan"}),o.for("editingDowncast").add(Nf({asWidget:!0})),o.for("dataDowncast").add(Nf()),o.for("editingDowncast").add(Of({asWidget:!0})),o.for("dataDowncast").add(Of()),function(t,e){e.view.document.registerPostFixer(n=>(function(t,e,n,o){let i=!1;const r=function(t){const e=Array.from(t._renderer.markedAttributes).filter(t=>!!t.parent).filter(fp).filter(t=>pp(t.parent)),n=Array.from(t._renderer.markedChildren).filter(t=>!!t.parent).filter(pp).reduce((t,e)=>{const n=Array.from(e.getChildren()).filter(fp);return[...t,...n]},[]);return[...e,...n]}(o);for(const e of r)i=hp(e,n,t)||i;return i&&function(t){const e=t.anchor,n=t.focus;return t.rangeCount&&(!e.root.is("rootElement")||!n.root.is("rootElement"))}(o.document.selection)&&function(t,e,n){const o=Array.from(t.getRanges()).map(t=>e.toViewRange(t));n.setSelection(o,{backward:t.isBackward})}(e.document.selection,n,t),i})(n,t,e.mapper,e.view))}(t.model,t.editing),t.commands.add("insertTable",new Hf(t)),t.commands.add("insertTableRowAbove",new Wf(t,{order:"above"})),t.commands.add("insertTableRowBelow",new Wf(t,{order:"below"})),t.commands.add("insertTableColumnLeft",new Yf(t,{order:"left"})),t.commands.add("insertTableColumnRight",new Yf(t,{order:"right"})),t.commands.add("removeTableRow",new Kf(t)),t.commands.add("removeTableColumn",new Zf(t)),t.commands.add("splitTableCellVertically",new Gf(t,{direction:"vertically"})),t.commands.add("splitTableCellHorizontally",new Gf(t,{direction:"horizontally"})),t.commands.add("mergeTableCellRight",new Qf(t,{direction:"right"})),t.commands.add("mergeTableCellLeft",new Qf(t,{direction:"left"})),t.commands.add("mergeTableCellDown",new Qf(t,{direction:"down"})),t.commands.add("mergeTableCellUp",new Qf(t,{direction:"up"})),t.commands.add("setTableColumnHeader",new ep(t)),t.commands.add("setTableRowHeader",new Xf(t)),function(t){t.document.registerPostFixer(e=>(function(t,e){const n=e.document.differ.getChanges();let o=!1;const i=new Set;for(const e of n){let n;"table"==e.name&&"insert"==e.type&&(n=e.position.nodeAfter),"tableRow"!=e.name&&"tableCell"!=e.name||(n=vf("table",e.position)),cp(e)&&(n=vf("table",e.range.start)),n&&!i.has(n)&&(o=sp(n,t)||o,o=ap(n,t)||o,i.add(n))}return o})(e,t))}(e),function(t){t.document.registerPostFixer(e=>(function(t,e){const n=e.document.differ.getChanges();let o=!1;for(const e of n)"remove"==e.type&&e.position.parent.is("tableCell")&&(o=dp(e.position.parent,t)||o),"insert"==e.type&&("table"==e.name&&(o=lp(e.position.nodeAfter,t)||o),"tableRow"==e.name&&(o=up(e.position.nodeAfter,t)||o),"tableCell"==e.name&&(o=dp(e.position.nodeAfter,t)||o));return o})(e,t))}(e),this.editor.keystrokes.set("Tab",(...t)=>this._handleTabOnSelectedTable(...t),{priority:"low"}),this.editor.keystrokes.set("Tab",this._getTabHandler(!0),{priority:"low"}),this.editor.keystrokes.set("Shift+Tab",this._getTabHandler(!1),{priority:"low"})}static get requires(){return[np]}_handleTabOnSelectedTable(t,e){const n=this.editor,o=n.model.document.selection;if(!o.isCollapsed&&1===o.rangeCount&&o.getFirstRange().isFlat){const t=o.getSelectedElement();if(!t||!t.is("table"))return;e(),n.model.change(e=>{e.setSelection(e.createRangeIn(t.getChild(0).getChild(0)))})}}_getTabHandler(t){const e=this.editor;return(n,o)=>{const i=vf("tableCell",e.model.document.selection.getFirstPosition());if(!i)return;o();const r=i.parent,s=r.parent,a=s.getChildIndex(r),c=r.getChildIndex(i),l=0===c;if(!t&&l&&0===a)return;const u=c===r.childCount-1,d=a===s.childCount-1;if(t&&d&&u&&(e.execute("insertTableRowBelow"),a===s.childCount-1))return;let h;if(t&&u){const t=s.getChild(a+1);h=t.getChild(0)}else if(!t&&l){const t=s.getChild(a-1);h=t.getChild(t.childCount-1)}else h=r.getChild(c+(t?1:-1));e.model.change(t=>{t.setSelection(t.createRangeIn(h))})}}}n(119);class gp extends ga{constructor(t){super(t);const e=this.bindTemplate;this.items=this.createCollection(),this.set("rows",0),this.set("columns",0),this.bind("label").to(this,"columns",this,"rows",(t,e)=>`${e} x ${t}`),this.setTemplate({tag:"div",attributes:{class:["ck"]},children:[{tag:"div",attributes:{class:["ck-insert-table-dropdown__grid"]},children:this.items},{tag:"div",attributes:{class:["ck-insert-table-dropdown__label"]},children:[{text:e.to("label")}]}],on:{mousedown:e.to(t=>{t.preventDefault()}),click:e.to(()=>{this.fire("execute")})}});for(let t=0;t<100;t++){const e=new bp;e.on("over",()=>{const e=Math.floor(t/10),n=t%10;this.set("rows",e+1),this.set("columns",n+1)}),this.items.add(e)}this.on("change:columns",()=>{this._highlightGridBoxes()}),this.on("change:rows",()=>{this._highlightGridBoxes()})}focus(){}focusLast(){}_highlightGridBoxes(){const t=this.rows,e=this.columns;this.items.map((n,o)=>{const i=Math.floor(o/10)<t&&o%10<e;n.set("isOn",i)})}}class bp extends ga{constructor(t){super(t);const e=this.bindTemplate;this.set("isOn",!1),this.setTemplate({tag:"div",attributes:{class:["ck-insert-table-dropdown-grid-box",e.if("isOn","ck-on")]},on:{mouseover:e.to("over")}})}}var wp=n(41),_p=n.n(wp),vp=n(42),kp=n.n(vp),yp=n(43),xp=n.n(yp),Ap=n(44),Tp=n.n(Ap);class Cp extends Ia{init(){const t=this.editor,e=this.editor.t;t.ui.componentFactory.add("insertTable",n=>{const o=t.commands.get("insertTable"),i=kd(n);i.bind("isEnabled").to(o),i.buttonView.set({icon:_p.a,label:e("q"),tooltip:!0});const r=new gp(n);return i.panelView.children.add(r),r.delegate("execute").to(i),i.buttonView.on("open",()=>{r.rows=0,r.columns=0}),i.on("execute",()=>{t.execute("insertTable",{rows:r.rows,columns:r.columns}),t.editing.view.focus()}),i}),t.ui.componentFactory.add("tableColumn",t=>{const n=[{type:"switchbutton",model:{commandName:"setTableColumnHeader",label:e("r"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:"insertTableColumnLeft",label:e("s")}},{type:"button",model:{commandName:"insertTableColumnRight",label:e("t")}},{type:"button",model:{commandName:"removeTableColumn",label:e("u")}}];return this._prepareDropdown(e("v"),kp.a,n,t)}),t.ui.componentFactory.add("tableRow",t=>{const n=[{type:"switchbutton",model:{commandName:"setTableRowHeader",label:e("w"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:"insertTableRowBelow",label:e("x")}},{type:"button",model:{commandName:"insertTableRowAbove",label:e("y")}},{type:"button",model:{commandName:"removeTableRow",label:e("z")}}];return this._prepareDropdown(e("aa"),xp.a,n,t)}),t.ui.componentFactory.add("mergeTableCells",t=>{const n=[{type:"button",model:{commandName:"mergeTableCellUp",label:e("ab")}},{type:"button",model:{commandName:"mergeTableCellRight",label:e("ac")}},{type:"button",model:{commandName:"mergeTableCellDown",label:e("ad")}},{type:"button",model:{commandName:"mergeTableCellLeft",label:e("ae")}},{type:"separator"},{type:"button",model:{commandName:"splitTableCellVertically",label:e("af")}},{type:"button",model:{commandName:"splitTableCellHorizontally",label:e("ag")}}];return 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Uc(this.editor,o,()=>{if(!t.isEnabled)return!1;this.editor.execute("heading",{value:e})})})}_addBlockQuoteAutoformats(){this.editor.commands.get("blockQuote")&&new Uc(this.editor,/^>\s$/,"blockQuote")}},class extends Ia{static get requires(){return[Gc,Zc]}static get pluginName(){return"Bold"}},class extends Ia{static get requires(){return[tl,il]}static get pluginName(){return"Italic"}},class extends Ia{static get requires(){return[ul,fl]}static get pluginName(){return"BlockQuote"}},class extends Ia{static get pluginName(){return"CKFinder"}static get requires(){return[vl,gl,Bc]}},class extends Ia{static get requires(){return[El,Du,ed]}static get pluginName(){return"EasyImage"}},class extends Ia{static get requires(){return[ud,xd]}static get pluginName(){return"Heading"}},Du,class extends Ia{static get requires(){return[Cd]}static get pluginName(){return"ImageCaption"}},class extends Ia{static get requires(){return[Hd,Wd]}static get pluginName(){return"ImageStyle"}},class extends Ia{static get requires(){return[Yd]}static get pluginName(){return"ImageToolbar"}afterInit(){const t=this.editor;t.plugins.get(Yd).register("image",{items:t.config.get("image.toolbar")||[],getRelatedElement:Wl})}},ed,class extends Ia{static get requires(){return[uh,kh]}static get pluginName(){return"Link"}},class extends Ia{static get requires(){return[Hh,Kh]}static get pluginName(){return"List"}},class extends Ia{static get requires(){return[uf,gf,hf,eu]}static get pluginName(){return"MediaEmbed"}},id,class extends Ia{static get pluginName(){return"PasteFromOffice"}init(){const t=this.editor;this.listenTo(t.plugins.get("Clipboard"),"inputTransformation",(t,e)=>{const 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.ck-button__label,a.ck.ck-button:focus:not(:hover) .ck-tooltip{display:none}.ck.ck-button,a.ck.ck-button{background:var(--ck-color-button-default-background)}.ck.ck-button:not(.ck-disabled):hover,a.ck.ck-button:not(.ck-disabled):hover{background:var(--ck-color-button-default-hover-background)}.ck.ck-button:not(.ck-disabled):active,a.ck.ck-button:not(.ck-disabled):active{background:var(--ck-color-button-default-active-background);box-shadow:inset 0 2px 2px var(--ck-color-button-default-active-shadow)}.ck.ck-button.ck-disabled,a.ck.ck-button.ck-disabled{background:var(--ck-color-button-default-disabled-background)}.ck.ck-button,a.ck.ck-button{border-radius:0}.ck-rounded-corners .ck.ck-button,.ck-rounded-corners a.ck.ck-button,.ck.ck-button.ck-rounded-corners,a.ck.ck-button.ck-rounded-corners{border-radius:var(--ck-border-radius)}.ck.ck-button,a.ck.ck-button{white-space:nowrap;cursor:default;vertical-align:middle;padding:var(--ck-spacing-tiny);text-align:center;min-width:var(--ck-ui-component-min-height);min-height:var(--ck-ui-component-min-height);line-height:1;font-size:inherit;border:1px solid transparent;transition:box-shadow .2s ease-in-out;-webkit-appearance:none}.ck.ck-button:active,.ck.ck-button:focus,a.ck.ck-button:active,a.ck.ck-button:focus{outline:none;border:var(--ck-focus-ring);box-shadow:var(--ck-focus-outer-shadow),0 0;border-color:transparent}.ck.ck-button.ck-disabled:active,.ck.ck-button.ck-disabled:focus,a.ck.ck-button.ck-disabled:active,a.ck.ck-button.ck-disabled:focus{box-shadow:var(--ck-focus-disabled-outer-shadow),0 0}.ck.ck-button.ck-disabled .ck-button__icon,a.ck.ck-button.ck-disabled .ck-button__icon{opacity:var(--ck-disabled-opacity)}.ck.ck-button.ck-disabled .ck-button__label,a.ck.ck-button.ck-disabled .ck-button__label{opacity:var(--ck-disabled-opacity)}.ck.ck-button.ck-button_with-text,a.ck.ck-button.ck-button_with-text{padding:var(--ck-spacing-tiny) var(--ck-spacing-standard)}[dir=ltr] .ck.ck-button.ck-button_with-text .ck-button__icon,[dir=ltr] a.ck.ck-button.ck-button_with-text .ck-button__icon{margin-left:calc(-1*var(--ck-spacing-small));margin-right:var(--ck-spacing-small)}[dir=rtl] .ck.ck-button.ck-button_with-text .ck-button__icon,[dir=rtl] a.ck.ck-button.ck-button_with-text .ck-button__icon{margin-right:calc(-1*var(--ck-spacing-small));margin-left:var(--ck-spacing-small)}.ck.ck-button.ck-on,a.ck.ck-button.ck-on{background:var(--ck-color-button-on-background)}.ck.ck-button.ck-on:not(.ck-disabled):hover,a.ck.ck-button.ck-on:not(.ck-disabled):hover{background:var(--ck-color-button-on-hover-background)}.ck.ck-button.ck-on:not(.ck-disabled):active,a.ck.ck-button.ck-on:not(.ck-disabled):active{background:var(--ck-color-button-on-active-background);box-shadow:inset 0 2px 2px var(--ck-color-button-on-active-shadow)}.ck.ck-button.ck-on.ck-disabled,a.ck.ck-button.ck-on.ck-disabled{background:var(--ck-color-button-on-disabled-background)}.ck.ck-button.ck-button-save,a.ck.ck-button.ck-button-save{color:var(--ck-color-button-save)}.ck.ck-button.ck-button-cancel,a.ck.ck-button.ck-button-cancel{color:var(--ck-color-button-cancel)}.ck.ck-button .ck-button__icon use,.ck.ck-button .ck-button__icon use *,a.ck.ck-button .ck-button__icon use,a.ck.ck-button .ck-button__icon use *{color:inherit}.ck.ck-button .ck-button__label,a.ck.ck-button .ck-button__label{font-size:inherit;font-weight:inherit;color:inherit;cursor:inherit;vertical-align:middle}[dir=ltr] .ck.ck-button .ck-button__label,[dir=ltr] a.ck.ck-button .ck-button__label{text-align:left}[dir=rtl] .ck.ck-button .ck-button__label,[dir=rtl] a.ck.ck-button .ck-button__label{text-align:right}.ck.ck-button-action,a.ck.ck-button-action{background:var(--ck-color-button-action-background)}.ck.ck-button-action:not(.ck-disabled):hover,a.ck.ck-button-action:not(.ck-disabled):hover{background:var(--ck-color-button-action-hover-background)}.ck.ck-button-action:not(.ck-disabled):active,a.ck.ck-button-action:not(.ck-disabled):active{background:var(--ck-color-button-action-active-background);box-shadow:inset 0 2px 2px var(--ck-color-button-action-active-shadow)}.ck.ck-button-action.ck-disabled,a.ck.ck-button-action.ck-disabled{background:var(--ck-color-button-action-disabled-background)}.ck.ck-button-action,a.ck.ck-button-action{color:var(--ck-color-button-action-text)}.ck.ck-button-bold,a.ck.ck-button-bold{font-weight:700}"},function(t,e,n){var i=n(35);"string"==typeof i&&(i=[[t.i,i,""]]);n(1)(i,{injectType:"singletonStyleTag",insert:"head",singleton:!0}),i.locals&&(t.exports=i.locals)},function(t,e){t.exports=".ck-content blockquote{overflow:hidden;padding-right:1.5em;padding-left:1.5em;margin-left:0;margin-right:0;font-style:italic;border-left:5px solid #ccc}.ck-content[dir=rtl] blockquote{border-left:0;border-right:5px solid #ccc}"},function(t,e,n){var i=n(37);"string"==typeof i&&(i=[[t.i,i,""]]);n(1)(i,{injectType:"singletonStyleTag",insert:"head",singleton:!0}),i.locals&&(t.exports=i.locals)},function(t,e){t.exports=":root{--ck-color-resizer:var(--ck-color-focus-border);--ck-resizer-size:10px;--ck-resizer-border-width:1px;--ck-resizer-border-radius:2px;--ck-resizer-offset:calc(var(--ck-resizer-size)/-2 - 2px);--ck-resizer-tooltip-offset:10px;--ck-color-resizer-tooltip-background:#262626;--ck-color-resizer-tooltip-text:#f2f2f2}.ck .ck-widget_with-resizer{position:relative}.ck .ck-widget__resizer{display:none;position:absolute;pointer-events:none;left:0;top:0;outline:1px solid var(--ck-color-resizer)}.ck-focused .ck-widget_with-resizer.ck-widget_selected>.ck-widget__resizer{display:block}.ck .ck-widget__resizer__handle{position:absolute;pointer-events:all;width:var(--ck-resizer-size);height:var(--ck-resizer-size);background:var(--ck-color-focus-border);border:var(--ck-resizer-border-width) solid #fff;border-radius:var(--ck-resizer-border-radius)}.ck .ck-widget__resizer__handle.ck-widget__resizer__handle-top-left{top:var(--ck-resizer-offset);left:var(--ck-resizer-offset);cursor:nwse-resize}.ck .ck-widget__resizer__handle.ck-widget__resizer__handle-top-right{top:var(--ck-resizer-offset);right:var(--ck-resizer-offset);cursor:nesw-resize}.ck .ck-widget__resizer__handle.ck-widget__resizer__handle-bottom-right{bottom:var(--ck-resizer-offset);right:var(--ck-resizer-offset);cursor:nwse-resize}.ck .ck-widget__resizer__handle.ck-widget__resizer__handle-bottom-left{bottom:var(--ck-resizer-offset);left:var(--ck-resizer-offset);cursor:nesw-resize}.ck .ck-widget.ck-widget_with-selection-handler{position:relative}.ck .ck-widget.ck-widget_with-selection-handler:hover .ck-widget__selection-handler{visibility:visible}.ck .ck-widget.ck-widget_with-selection-handler .ck-widget__selection-handler{position:absolute}.ck .ck-widget.ck-widget_with-selection-handler .ck-widget__selection-handler .ck-icon{display:block}.ck .ck-widget.ck-widget_with-selection-handler.ck-widget_selected .ck-widget__selection-handler{visibility:visible}.ck .ck-size-view{background:var(--ck-color-resizer-tooltip-background);color:var(--ck-color-resizer-tooltip-text);border:1px solid var(--ck-color-resizer-tooltip-text);border-radius:var(--ck-resizer-border-radius);font-size:var(--ck-font-size-tiny);display:block;padding:var(--ck-spacing-small)}.ck .ck-size-view.ck-orientation-bottom-left,.ck .ck-size-view.ck-orientation-bottom-right,.ck .ck-size-view.ck-orientation-top-left,.ck .ck-size-view.ck-orientation-top-right{position:absolute}.ck .ck-size-view.ck-orientation-top-left{top:var(--ck-resizer-tooltip-offset);left:var(--ck-resizer-tooltip-offset)}.ck .ck-size-view.ck-orientation-top-right{top:var(--ck-resizer-tooltip-offset);right:var(--ck-resizer-tooltip-offset)}.ck .ck-size-view.ck-orientation-bottom-right{bottom:var(--ck-resizer-tooltip-offset);right:var(--ck-resizer-tooltip-offset)}.ck .ck-size-view.ck-orientation-bottom-left{bottom:var(--ck-resizer-tooltip-offset);left:var(--ck-resizer-tooltip-offset)}:root{--ck-widget-outline-thickness:3px;--ck-widget-handler-icon-size:16px;--ck-widget-handler-animation-duration:200ms;--ck-widget-handler-animation-curve:ease;--ck-color-widget-blurred-border:#dedede;--ck-color-widget-hover-border:#ffc83d;--ck-color-widget-editable-focus-background:var(--ck-color-base-background);--ck-color-widget-drag-handler-icon-color:var(--ck-color-base-background)}.ck .ck-widget{outline-width:var(--ck-widget-outline-thickness);outline-style:solid;outline-color:transparent;transition:outline-color var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve)}.ck .ck-widget.ck-widget_selected,.ck .ck-widget.ck-widget_selected:hover{outline:var(--ck-widget-outline-thickness) solid var(--ck-color-focus-border)}.ck .ck-widget:hover{outline-color:var(--ck-color-widget-hover-border)}.ck .ck-editor__nested-editable{border:1px solid transparent}.ck .ck-editor__nested-editable.ck-editor__nested-editable_focused,.ck .ck-editor__nested-editable:focus{outline:none;border:var(--ck-focus-ring);box-shadow:var(--ck-inner-shadow),0 0;background-color:var(--ck-color-widget-editable-focus-background)}.ck-editor__editable>.ck-widget.ck-widget_with-selection-handler:first-child,.ck-editor__editable blockquote>.ck-widget.ck-widget_with-selection-handler:first-child{margin-top:calc(1em + var(--ck-widget-handler-icon-size))}.ck .ck-widget.ck-widget_with-selection-handler .ck-widget__selection-handler{padding:4px;box-sizing:border-box;background-color:transparent;opacity:0;transition:background-color var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve),visibility var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve),opacity var(--ck-widget-handler-animation-duration) var(--ck-widget-handler-animation-curve);border-radius:var(--ck-border-radius) var(--ck-border-radius) 0 0;transform:translateY(-100%);left:calc(0px - var(--ck-widget-outline-thickness))}.ck .ck-widget.ck-widget_with-selection-handler .ck-widget__selection-handler:hover .ck-icon .ck-icon__selected-indicator{opacity:1}.ck .ck-widget.ck-widget_with-selection-handler .ck-widget__selection-handler .ck-icon{width:var(--ck-widget-handler-icon-size);height:var(--ck-widget-handler-icon-size);color:var(--ck-color-widget-drag-handler-icon-color)}.ck .ck-widget.ck-widget_with-selection-handler .ck-widget__selection-handler .ck-icon .ck-icon__selected-indicator{opacity:0;transition:opacity .3s var(--ck-widget-handler-animation-curve)}.ck .ck-widget.ck-widget_with-selection-handler.ck-widget_selected .ck-widget__selection-handler,.ck .ck-widget.ck-widget_with-selection-handler.ck-widget_selected:hover .ck-widget__selection-handler{opacity:1;background-color:var(--ck-color-focus-border)}.ck .ck-widget.ck-widget_with-selection-handler.ck-widget_selected 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var(--ck-color-base-border)}}"},function(t,e,n){var i=n(45);"string"==typeof i&&(i=[[t.i,i,""]]);n(1)(i,{injectType:"singletonStyleTag",insert:"head",singleton:!0}),i.locals&&(t.exports=i.locals)},function(t,e){t.exports=':root{--ck-balloon-panel-arrow-z-index:calc(var(--ck-z-default) - 3)}.ck.ck-balloon-panel{display:none;position:absolute;z-index:var(--ck-z-modal)}.ck.ck-balloon-panel.ck-balloon-panel_with-arrow:after,.ck.ck-balloon-panel.ck-balloon-panel_with-arrow:before{content:"";position:absolute}.ck.ck-balloon-panel.ck-balloon-panel_with-arrow:before{z-index:var(--ck-balloon-panel-arrow-z-index)}.ck.ck-balloon-panel.ck-balloon-panel_with-arrow:after{z-index:calc(var(--ck-balloon-panel-arrow-z-index) + 1)}.ck.ck-balloon-panel[class*=arrow_n]:before{z-index:var(--ck-balloon-panel-arrow-z-index)}.ck.ck-balloon-panel[class*=arrow_n]:after{z-index:calc(var(--ck-balloon-panel-arrow-z-index) + 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i=n(47);"string"==typeof i&&(i=[[t.i,i,""]]);n(1)(i,{injectType:"singletonStyleTag",insert:"head",singleton:!0}),i.locals&&(t.exports=i.locals)},function(t,e){t.exports=".ck .ck-balloon-rotator__navigation{display:flex;align-items:center;justify-content:center}.ck .ck-balloon-rotator__content .ck-toolbar{justify-content:center}.ck .ck-balloon-rotator__navigation{background:var(--ck-color-toolbar-background);border-bottom:1px solid var(--ck-color-toolbar-border);padding:0 var(--ck-spacing-small)}.ck .ck-balloon-rotator__navigation>*{margin-right:var(--ck-spacing-small);margin-top:var(--ck-spacing-small);margin-bottom:var(--ck-spacing-small)}.ck .ck-balloon-rotator__navigation .ck-balloon-rotator__counter{margin-right:var(--ck-spacing-standard);margin-left:var(--ck-spacing-small)}.ck .ck-balloon-rotator__content .ck.ck-annotation-wrapper{box-shadow:none}"},function(t,e,n){var i=n(49);"string"==typeof i&&(i=[[t.i,i,""]]);n(1)(i,{injectType:"singletonStyleTag",insert:"head",singleton:!0}),i.locals&&(t.exports=i.locals)},function(t,e){t.exports=".ck .ck-fake-panel{position:absolute;z-index:calc(var(--ck-z-modal) - 1)}.ck .ck-fake-panel div{position:absolute}.ck .ck-fake-panel div:first-child{z-index:2}.ck .ck-fake-panel div:nth-child(2){z-index:1}:root{--ck-balloon-fake-panel-offset-horizontal:6px;--ck-balloon-fake-panel-offset-vertical:6px}.ck .ck-fake-panel div{box-shadow:var(--ck-drop-shadow),0 0;min-height:15px;background:var(--ck-color-panel-background);border:1px solid var(--ck-color-panel-border);border-radius:var(--ck-border-radius);width:100%;height:100%}.ck .ck-fake-panel div:first-child{margin-left:var(--ck-balloon-fake-panel-offset-horizontal);margin-top:var(--ck-balloon-fake-panel-offset-vertical)}.ck .ck-fake-panel div:nth-child(2){margin-left:calc(var(--ck-balloon-fake-panel-offset-horizontal)*2);margin-top:calc(var(--ck-balloon-fake-panel-offset-vertical)*2)}.ck 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i&&(i=[[t.i,i,""]]);n(1)(i,{injectType:"singletonStyleTag",insert:"head",singleton:!0}),i.locals&&(t.exports=i.locals)},function(t,e){t.exports='.ck-image-upload-complete-icon{display:block;position:absolute;top:10px;right:10px;border-radius:50%}.ck-image-upload-complete-icon:after{content:"";position:absolute}:root{--ck-color-image-upload-icon:#fff;--ck-color-image-upload-icon-background:#008a00;--ck-image-upload-icon-size:20px;--ck-image-upload-icon-width:2px}.ck-image-upload-complete-icon{width:var(--ck-image-upload-icon-size);height:var(--ck-image-upload-icon-size);opacity:0;background:var(--ck-color-image-upload-icon-background);animation-name:ck-upload-complete-icon-show,ck-upload-complete-icon-hide;animation-fill-mode:forwards,forwards;animation-duration:.5s,.5s;font-size:var(--ck-image-upload-icon-size);animation-delay:0ms,3s}.ck-image-upload-complete-icon:after{left:25%;top:50%;opacity:0;height:0;width:0;transform:scaleX(-1) rotate(135deg);transform-origin:left top;border-top:var(--ck-image-upload-icon-width) solid var(--ck-color-image-upload-icon);border-right:var(--ck-image-upload-icon-width) solid var(--ck-color-image-upload-icon);animation-name:ck-upload-complete-icon-check;animation-duration:.5s;animation-delay:.5s;animation-fill-mode:forwards;box-sizing:border-box}@keyframes ck-upload-complete-icon-show{0%{opacity:0}to{opacity:1}}@keyframes ck-upload-complete-icon-hide{0%{opacity:1}to{opacity:0}}@keyframes ck-upload-complete-icon-check{0%{opacity:1;width:0;height:0}33%{width:.3em;height:0}to{opacity:1;width:.3em;height:.45em}}'},function(t,e,n){var i=n(57);"string"==typeof i&&(i=[[t.i,i,""]]);n(1)(i,{injectType:"singletonStyleTag",insert:"head",singleton:!0}),i.locals&&(t.exports=i.locals)},function(t,e){t.exports='.ck .ck-upload-placeholder-loader{position:absolute;display:flex;align-items:center;justify-content:center;top:0;left:0}.ck 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.ck-button.ck-dropdown__button{width:100%}.ck.ck-dropdown .ck-button.ck-dropdown__button.ck-on .ck-tooltip{display:none}.ck.ck-dropdown .ck-dropdown__panel{-webkit-backface-visibility:hidden;display:none;z-index:var(--ck-z-modal);position:absolute}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel-visible{display:inline-block;will-change:transform}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_ne,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_nw{bottom:100%}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_se,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_sw{transform:translate3d(0,100%,0)}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_ne,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_se{left:0}.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_nw,.ck.ck-dropdown .ck-dropdown__panel.ck-dropdown__panel_sw{right:0}:root{--ck-dropdown-arrow-size:calc(0.5*var(--ck-icon-size))}.ck.ck-dropdown{font-size:inherit}.ck.ck-dropdown 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.ck-button__label{width:7em;overflow:hidden;text-overflow:ellipsis}.ck.ck-dropdown__panel{box-shadow:var(--ck-drop-shadow),0 0;border-radius:0}.ck-rounded-corners .ck.ck-dropdown__panel,.ck.ck-dropdown__panel.ck-rounded-corners{border-radius:var(--ck-border-radius);border-top-left-radius:0}.ck.ck-dropdown__panel{background:var(--ck-color-dropdown-panel-background);border:1px solid var(--ck-color-dropdown-panel-border);bottom:0;min-width:100%}"},function(t,e,n){var i=n(61);"string"==typeof i&&(i=[[t.i,i,""]]);n(1)(i,{injectType:"singletonStyleTag",insert:"head",singleton:!0}),i.locals&&(t.exports=i.locals)},function(t,e){t.exports=".ck.ck-list{-moz-user-select:none;-webkit-user-select:none;-ms-user-select:none;user-select:none;display:flex;flex-direction:column}.ck.ck-list .ck-list__item,.ck.ck-list .ck-list__separator{display:block}.ck.ck-list .ck-list__item>:focus{position:relative;z-index:var(--ck-z-default)}.ck.ck-list{border-radius:0}.ck-rounded-corners 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var(--ck-color-base-border);width:50%}[dir=ltr] .ck.ck-link-form_layout-vertical .ck-button{margin-left:0}[dir=ltr] .ck.ck-link-form_layout-vertical .ck-button:first-of-type{border-right:1px solid var(--ck-color-base-border)}[dir=rtl] .ck.ck-link-form_layout-vertical .ck-button{margin-left:0}[dir=rtl] .ck.ck-link-form_layout-vertical .ck-button:last-of-type{border-right:1px solid var(--ck-color-base-border)}.ck.ck-link-form_layout-vertical .ck.ck-list{margin-left:0}.ck.ck-link-form_layout-vertical .ck.ck-list .ck-button.ck-switchbutton{border:0;width:100%}.ck.ck-link-form_layout-vertical .ck.ck-list .ck-button.ck-switchbutton:hover{background:none}"},function(t,e,n){var i=n(78);"string"==typeof i&&(i=[[t.i,i,""]]);n(1)(i,{injectType:"singletonStyleTag",insert:"head",singleton:!0}),i.locals&&(t.exports=i.locals)},function(t,e){t.exports=".ck.ck-link-actions{display:flex;flex-direction:row;flex-wrap:nowrap}.ck.ck-link-actions 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solid var(--ck-color-base-border)}[dir=ltr] .ck.ck-link-actions .ck-button:not(.ck-link-actions__preview){margin-left:0}[dir=ltr] .ck.ck-link-actions .ck-button:not(.ck-link-actions__preview):first-of-type{border-right:1px solid var(--ck-color-base-border)}[dir=rtl] .ck.ck-link-actions .ck-button:not(.ck-link-actions__preview){margin-left:0}[dir=rtl] .ck.ck-link-actions .ck-button:not(.ck-link-actions__preview):last-of-type{border-right:1px solid var(--ck-color-base-border)}}"},function(t,e,n){var i=n(80);"string"==typeof i&&(i=[[t.i,i,""]]);n(1)(i,{injectType:"singletonStyleTag",insert:"head",singleton:!0}),i.locals&&(t.exports=i.locals)},function(t,e){t.exports='.ck-media__wrapper .ck-media__placeholder{display:flex;flex-direction:column;align-items:center}.ck-media__wrapper .ck-media__placeholder .ck-media__placeholder__url .ck-tooltip{display:block}@media (hover:none){.ck-media__wrapper .ck-media__placeholder .ck-media__placeholder__url .ck-tooltip{display:none}}.ck-media__wrapper 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.ck-media__placeholder .ck-media__placeholder__url .ck-media__placeholder__url__text:hover{color:var(--ck-color-media-embed-placeholder-url-text-hover);cursor:pointer;text-decoration:underline}.ck-media__wrapper[data-oembed-url*="open.spotify.com"]{max-width:300px;max-height:380px}.ck-media__wrapper[data-oembed-url*="twitter.com"] .ck.ck-media__placeholder{background:linear-gradient(90deg,#71c6f4,#0d70a5)}.ck-media__wrapper[data-oembed-url*="twitter.com"] .ck.ck-media__placeholder 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this.position=gn._createAfter(n),this._next();i=n.data[t.offset]}else i=n.getChild(t.offset);if(i instanceof Be)return this.shallow?t.offset++:t=new gn(i,0),this.position=t,this._formatReturnValue("elementStart",i,e,t,1);if(i instanceof je){if(this.singleCharacters)return t=new gn(i,0),this.position=t,this._next();{let n,o=i.data.length;return i==this._boundaryEndParent?(o=this.boundaries.end.offset,n=new De(i,0,o),t=gn._createAfter(n)):(n=new De(i,0,i.data.length),t.offset++),this.position=t,this._formatReturnValue("text",n,e,t,o)}}if("string"==typeof i){let i;i=this.singleCharacters?1:(n===this._boundaryEndParent?this.boundaries.end.offset:n.data.length)-t.offset;const o=new De(n,t.offset,i);return t.offset+=i,this.position=t,this._formatReturnValue("text",o,e,t,i)}return t=gn._createAfter(n),this.position=t,this.ignoreElementEnd?this._next():this._formatReturnValue("elementEnd",n,e,t)}_previous(){let t=this.position.clone();const e=this.position,n=t.parent;if(null===n.parent&&0===t.offset)return{done:!0};if(n==this._boundaryStartParent&&t.offset==this.boundaries.start.offset)return{done:!0};let i;if(n instanceof je){if(t.isAtStart)return this.position=gn._createBefore(n),this._previous();i=n.data[t.offset-1]}else i=n.getChild(t.offset-1);if(i instanceof Be)return this.shallow?(t.offset--,this.position=t,this._formatReturnValue("elementStart",i,e,t,1)):(t=new gn(i,i.childCount),this.position=t,this.ignoreElementEnd?this._previous():this._formatReturnValue("elementEnd",i,e,t));if(i instanceof je){if(this.singleCharacters)return t=new gn(i,i.data.length),this.position=t,this._previous();{let n,o=i.data.length;if(i==this._boundaryStartParent){const e=this.boundaries.start.offset;o=(n=new De(i,e,i.data.length-e)).data.length,t=gn._createBefore(n)}else n=new De(i,0,i.data.length),t.offset--;return this.position=t,this._formatReturnValue("text",n,e,t,o)}}if("string"==typeof i){let i;if(this.singleCharacters)i=1;else{const e=n===this._boundaryStartParent?this.boundaries.start.offset:0;i=t.offset-e}t.offset-=i;const o=new De(n,t.offset,i);return this.position=t,this._formatReturnValue("text",o,e,t,i)}return t=gn._createBefore(n),this.position=t,this._formatReturnValue("elementStart",n,e,t,1)}_formatReturnValue(t,e,n,i,o){return e instanceof De&&(e.offsetInText+e.data.length==e.textNode.data.length&&("forward"!=this.direction||this.boundaries&&this.boundaries.end.isEqual(this.position)?n=gn._createAfter(e.textNode):(i=gn._createAfter(e.textNode),this.position=i)),0===e.offsetInText&&("backward"!=this.direction||this.boundaries&&this.boundaries.start.isEqual(this.position)?n=gn._createBefore(e.textNode):(i=gn._createBefore(e.textNode),this.position=i))),{done:!1,value:{type:t,item:e,previousPosition:n,nextPosition:i,length:o}}}}class gn{constructor(t,e){this.parent=t,this.offset=e}get nodeAfter(){return this.parent.is("text")?null:this.parent.getChild(this.offset)||null}get nodeBefore(){return this.parent.is("text")?null:this.parent.getChild(this.offset-1)||null}get isAtStart(){return 0===this.offset}get isAtEnd(){const t=this.parent.is("text")?this.parent.data.length:this.parent.childCount;return this.offset===t}get root(){return this.parent.root}get editableElement(){let t=this.parent;for(;!(t instanceof dn);){if(!t.parent)return null;t=t.parent}return t}getShiftedBy(t){const e=gn._createAt(this),n=e.offset+t;return e.offset=n<0?0:n,e}getLastMatchingPosition(t,e={}){e.startPosition=this;const n=new pn(e);return n.skip(t),n.position}getAncestors(){return this.parent.is("documentFragment")?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonAncestor(t){const e=this.getAncestors(),n=t.getAncestors();let i=0;for(;e[i]==n[i]&&e[i];)i++;return 0===i?null:e[i-1]}is(t){return"position"==t||"view:position"==t}isEqual(t){return this.parent==t.parent&&this.offset==t.offset}isBefore(t){return"before"==this.compareWith(t)}isAfter(t){return"after"==this.compareWith(t)}compareWith(t){if(this.root!==t.root)return"different";if(this.isEqual(t))return"same";const e=this.parent.is("node")?this.parent.getPath():[],n=t.parent.is("node")?t.parent.getPath():[];e.push(this.offset),n.push(t.offset);const i=Oe(e,n);switch(i){case"prefix":return"before";case"extension":return"after";default:return e[i]<n[i]?"before":"after"}}getWalker(t={}){return t.startPosition=this,new pn(t)}clone(){return new gn(this.parent,this.offset)}static _createAt(t,e){if(t instanceof gn)return new this(t.parent,t.offset);{const n=t;if("end"==e)e=n.is("text")?n.data.length:n.childCount;else{if("before"==e)return this._createBefore(n);if("after"==e)return this._createAfter(n);if(0!==e&&!e)throw new be.b("view-createPositionAt-offset-required: View#createPositionAt() requires the offset when the first parameter is a view item.",n)}return new gn(n,e)}}static _createAfter(t){if(t.is("textProxy"))return new gn(t.textNode,t.offsetInText+t.data.length);if(!t.parent)throw new be.b("view-position-after-root: You can not make position after root.",t,{root:t});return new gn(t.parent,t.index+1)}static _createBefore(t){if(t.is("textProxy"))return new gn(t.textNode,t.offsetInText);if(!t.parent)throw new be.b("view-position-before-root: You can not make position before root.",t,{root:t});return new gn(t.parent,t.index)}}class mn{constructor(t,e=null){this.start=t.clone(),this.end=e?e.clone():t.clone()}*[Symbol.iterator](){yield*new pn({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return this.start.parent===this.end.parent}get root(){return this.start.root}getEnlarged(){let t=this.start.getLastMatchingPosition(bn,{direction:"backward"}),e=this.end.getLastMatchingPosition(bn);return t.parent.is("text")&&t.isAtStart&&(t=gn._createBefore(t.parent)),e.parent.is("text")&&e.isAtEnd&&(e=gn._createAfter(e.parent)),new mn(t,e)}getTrimmed(){let t=this.start.getLastMatchingPosition(bn);if(t.isAfter(this.end)||t.isEqual(this.end))return new mn(t,t);let e=this.end.getLastMatchingPosition(bn,{direction:"backward"});const n=t.nodeAfter,i=e.nodeBefore;return n&&n.is("text")&&(t=new gn(n,0)),i&&i.is("text")&&(e=new gn(i,i.data.length)),new mn(t,e)}isEqual(t){return this==t||this.start.isEqual(t.start)&&this.end.isEqual(t.end)}containsPosition(t){return t.isAfter(this.start)&&t.isBefore(this.end)}containsRange(t,e=!1){t.isCollapsed&&(e=!1);const n=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),i=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return n&&i}getDifference(t){const e=[];return this.isIntersecting(t)?(this.containsPosition(t.start)&&e.push(new mn(this.start,t.start)),this.containsPosition(t.end)&&e.push(new mn(t.end,this.end))):e.push(this.clone()),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,n=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(n=t.end),new mn(e,n)}return null}getWalker(t={}){return t.boundaries=this,new pn(t)}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}clone(){return new mn(this.start,this.end)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new pn(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new pn(t);yield e.position;for(const t of e)yield t.nextPosition}is(t){return"range"==t||"view:range"==t}isIntersecting(t){return this.start.isBefore(t.end)&&this.end.isAfter(t.start)}static _createFromParentsAndOffsets(t,e,n,i){return new this(new gn(t,e),new gn(n,i))}static _createFromPositionAndShift(t,e){const n=t,i=t.getShiftedBy(e);return e>0?new this(n,i):new this(i,n)}static _createIn(t){return this._createFromParentsAndOffsets(t,0,t,t.childCount)}static _createOn(t){const e=t.is("textProxy")?t.offsetSize:1;return this._createFromPositionAndShift(gn._createBefore(t),e)}}function bn(t){return!(!t.item.is("attributeElement")&&!t.item.is("uiElement"))}function wn(t){let e=0;for(const n of t)e++;return e}class _n{constructor(t=null,e,n){this._ranges=[],this._lastRangeBackward=!1,this._isFake=!1,this._fakeSelectionLabel="",this.setTo(t,e,n)}get isFake(){return this._isFake}get fakeSelectionLabel(){return this._fakeSelectionLabel}get anchor(){if(!this._ranges.length)return null;const t=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?t.end:t.start).clone()}get focus(){if(!this._ranges.length)return null;const t=this._ranges[this._ranges.length-1];return(this._lastRangeBackward?t.start:t.end).clone()}get isCollapsed(){return 1===this.rangeCount&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}get editableElement(){return this.anchor?this.anchor.editableElement:null}*getRanges(){for(const t of this._ranges)yield t.clone()}getFirstRange(){let t=null;for(const e of this._ranges)t&&!e.start.isBefore(t.start)||(t=e);return t?t.clone():null}getLastRange(){let t=null;for(const e of this._ranges)t&&!e.end.isAfter(t.end)||(t=e);return t?t.clone():null}getFirstPosition(){const t=this.getFirstRange();return t?t.start.clone():null}getLastPosition(){const t=this.getLastRange();return t?t.end.clone():null}isEqual(t){if(this.isFake!=t.isFake)return!1;if(this.isFake&&this.fakeSelectionLabel!=t.fakeSelectionLabel)return!1;if(this.rangeCount!=t.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus))return!1;for(const e of this._ranges){let n=!1;for(const i of t._ranges)if(e.isEqual(i)){n=!0;break}if(!n)return!1}return!0}isSimilar(t){if(this.isBackward!=t.isBackward)return!1;const e=wn(this.getRanges());if(e!=wn(t.getRanges()))return!1;if(0==e)return!0;for(let e of this.getRanges()){e=e.getTrimmed();let n=!1;for(let i of t.getRanges())if(i=i.getTrimmed(),e.start.isEqual(i.start)&&e.end.isEqual(i.end)){n=!0;break}if(!n)return!1}return!0}getSelectedElement(){if(1!==this.rangeCount)return null;const t=this.getFirstRange();let e=t.start.nodeAfter,n=t.end.nodeBefore;return t.start.parent.is("text")&&t.start.isAtEnd&&t.start.parent.nextSibling&&(e=t.start.parent.nextSibling),t.end.parent.is("text")&&t.end.isAtStart&&t.end.parent.previousSibling&&(n=t.end.parent.previousSibling),e instanceof Be&&e==n?e:null}setTo(t,e,n){if(null===t)this._setRanges([]),this._setFakeOptions(e);else if(t instanceof _n||t instanceof vn)this._setRanges(t.getRanges(),t.isBackward),this._setFakeOptions({fake:t.isFake,label:t.fakeSelectionLabel});else if(t instanceof mn)this._setRanges([t],e&&e.backward),this._setFakeOptions(e);else if(t instanceof gn)this._setRanges([new mn(t)]),this._setFakeOptions(e);else if(t instanceof Re){const i=!!n&&!!n.backward;let o;if(void 0===e)throw new be.b("view-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.",this);o="in"==e?mn._createIn(t):"on"==e?mn._createOn(t):new mn(gn._createAt(t,e)),this._setRanges([o],i),this._setFakeOptions(n)}else{if(!Ve(t))throw new be.b("view-selection-setTo-not-selectable: Cannot set selection to given place.",this);this._setRanges(t,e&&e.backward),this._setFakeOptions(e)}this.fire("change")}setFocus(t,e){if(null===this.anchor)throw new be.b("view-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.",this);const n=gn._createAt(t,e);if("same"==n.compareWith(this.focus))return;const i=this.anchor;this._ranges.pop(),"before"==n.compareWith(i)?this._addRange(new mn(n,i),!0):this._addRange(new mn(i,n)),this.fire("change")}is(t){return"selection"==t||"view:selection"==t}_setRanges(t,e=!1){t=Array.from(t),this._ranges=[];for(const e of t)this._addRange(e);this._lastRangeBackward=!!e}_setFakeOptions(t={}){this._isFake=!!t.fake,this._fakeSelectionLabel=t.fake&&t.label||""}_addRange(t,e=!1){if(!(t instanceof mn))throw new be.b("view-selection-add-range-not-range: Selection range set to an object that is not an instance of view.Range",this);this._pushRange(t),this._lastRangeBackward=!!e}_pushRange(t){for(const e of this._ranges)if(t.isIntersecting(e))throw new be.b("view-selection-range-intersects: Trying to add a range that intersects with another range from selection.",this,{addedRange:t,intersectingRange:e});this._ranges.push(new mn(t.start,t.end))}}Ie(_n,Ae);class vn{constructor(t=null,e,n){this._selection=new _n,this._selection.delegate("change").to(this),this._selection.setTo(t,e,n)}get isFake(){return this._selection.isFake}get fakeSelectionLabel(){return this._selection.fakeSelectionLabel}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get isCollapsed(){return this._selection.isCollapsed}get rangeCount(){return this._selection.rangeCount}get isBackward(){return this._selection.isBackward}get editableElement(){return this._selection.editableElement}get _ranges(){return this._selection._ranges}*getRanges(){yield*this._selection.getRanges()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getSelectedElement(){return this._selection.getSelectedElement()}isEqual(t){return this._selection.isEqual(t)}isSimilar(t){return this._selection.isSimilar(t)}is(t){return"selection"==t||"documentSelection"==t||"view:selection"==t||"view:documentSelection"==t}_setTo(t,e,n){this._selection.setTo(t,e,n)}_setFocus(t,e){this._selection.setFocus(t,e)}}Ie(vn,Ae);class kn{constructor(t={}){this._items=[],this._itemMap=new Map,this._idProperty=t.idProperty||"id",this._bindToExternalToInternalMap=new WeakMap,this._bindToInternalToExternalMap=new WeakMap,this._skippedIndexesFromExternal=[]}get length(){return this._items.length}get first(){return this._items[0]||null}get last(){return this._items[this.length-1]||null}add(t,e){let n;const i=this._idProperty;if(i in t){if("string"!=typeof(n=t[i]))throw new be.b("collection-add-invalid-id",this);if(this.get(n))throw new be.b("collection-add-item-already-exists",this)}else t[i]=n=ve();if(void 0===e)e=this._items.length;else if(e>this._items.length||e<0)throw new be.b("collection-add-item-invalid-index",this);return this._items.splice(e,0,t),this._itemMap.set(n,t),this.fire("add",t,e),this}get(t){let e;if("string"==typeof t)e=this._itemMap.get(t);else{if("number"!=typeof t)throw new be.b("collection-get-invalid-arg: Index or id must be given.",this);e=this._items[t]}return e||null}has(t){if("string"==typeof t)return this._itemMap.has(t);{const e=t[this._idProperty];return this._itemMap.has(e)}}getIndex(t){let e;return e="string"==typeof t?this._itemMap.get(t):t,this._items.indexOf(e)}remove(t){let e,n,i,o=!1;const r=this._idProperty;if("string"==typeof t?(n=t,o=!(i=this._itemMap.get(n)),i&&(e=this._items.indexOf(i))):"number"==typeof t?(e=t,o=!(i=this._items[e]),i&&(n=i[r])):(n=(i=t)[r],o=-1==(e=this._items.indexOf(i))||!this._itemMap.get(n)),o)throw new be.b("collection-remove-404: Item not found.",this);this._items.splice(e,1),this._itemMap.delete(n);const s=this._bindToInternalToExternalMap.get(i);return this._bindToInternalToExternalMap.delete(i),this._bindToExternalToInternalMap.delete(s),this.fire("remove",i,e),i}map(t,e){return this._items.map(t,e)}find(t,e){return this._items.find(t,e)}filter(t,e){return this._items.filter(t,e)}clear(){for(this._bindToCollection&&(this.stopListening(this._bindToCollection),this._bindToCollection=null);this.length;)this.remove(0)}bindTo(t){if(this._bindToCollection)throw new be.b("collection-bind-to-rebind: The collection cannot be bound more than once.",this);return this._bindToCollection=t,{as:t=>{this._setUpBindToBinding(e=>new t(e))},using:t=>{"function"==typeof t?this._setUpBindToBinding(e=>t(e)):this._setUpBindToBinding(e=>e[t])}}}_setUpBindToBinding(t){const e=this._bindToCollection,n=(n,i,o)=>{const r=e._bindToCollection==this,s=e._bindToInternalToExternalMap.get(i);if(r&&s)this._bindToExternalToInternalMap.set(i,s),this._bindToInternalToExternalMap.set(s,i);else{const n=t(i);if(!n)return void this._skippedIndexesFromExternal.push(o);let r=o;for(const t of this._skippedIndexesFromExternal)o>t&&r--;for(const t of e._skippedIndexesFromExternal)r>=t&&r++;this._bindToExternalToInternalMap.set(i,n),this._bindToInternalToExternalMap.set(n,i),this.add(n,r);for(let t=0;t<e._skippedIndexesFromExternal.length;t++)r<=e._skippedIndexesFromExternal[t]&&e._skippedIndexesFromExternal[t]++}};for(const t of e)n(0,t,e.getIndex(t));this.listenTo(e,"add",n),this.listenTo(e,"remove",(t,e,n)=>{const i=this._bindToExternalToInternalMap.get(e);i&&this.remove(i),this._skippedIndexesFromExternal=this._skippedIndexesFromExternal.reduce((t,e)=>(n<e&&t.push(e-1),n>e&&t.push(e),t),[])})}[Symbol.iterator](){return this._items[Symbol.iterator]()}}Ie(kn,Ae);class yn{constructor(){this.selection=new vn,this.roots=new kn({idProperty:"rootName"}),this.set("isReadOnly",!1),this.set("isFocused",!1),this.set("isComposing",!1),this._postFixers=new Set}getRoot(t="main"){return this.roots.get(t)}registerPostFixer(t){this._postFixers.add(t)}destroy(){this.roots.map(t=>t.destroy()),this.stopListening()}_callPostFixers(t){let e=!1;do{for(const n of this._postFixers)if(e=n(t))break}while(e)}}Ie(yn,on);const xn=10;class An extends Be{constructor(t,e,n){super(t,e,n),this.getFillerOffset=Tn,this._priority=xn,this._id=null,this._clonesGroup=null}get priority(){return this._priority}get id(){return this._id}getElementsWithSameId(){if(null===this.id)throw new be.b("attribute-element-get-elements-with-same-id-no-id: Cannot get elements with the same id for an attribute element without id.",this);return new Set(this._clonesGroup)}is(t,e=null){const n=t&&t.replace(/^view:/,"");return e?"attributeElement"==n&&e==this.name||super.is(t,e):"attributeElement"==n||super.is(t)}isSimilar(t){return null!==this.id||null!==t.id?this.id===t.id:super.isSimilar(t)&&this.priority==t.priority}_clone(t){const e=super._clone(t);return e._priority=this._priority,e._id=this._id,e}}function Tn(){if(Cn(this))return null;let t=this.parent;for(;t&&t.is("attributeElement");){if(Cn(t)>1)return null;t=t.parent}return!t||Cn(t)>1?null:this.childCount}function Cn(t){return Array.from(t.getChildren()).filter(t=>!t.is("uiElement")).length}An.DEFAULT_PRIORITY=xn;class Pn extends Be{constructor(t,e,n){super(t,e,n),this.getFillerOffset=Sn}is(t,e=null){const n=t.replace(/^view:/,"");return e?"emptyElement"==n&&e==this.name||super.is(t,e):"emptyElement"==n||super.is(t)}_insertChild(t,e){if(e&&(e instanceof Re||Array.from(e).length>0))throw new be.b("view-emptyelement-cannot-add: Cannot add child nodes to EmptyElement instance.",[this,e])}}function Sn(){return null}const En=navigator.userAgent.toLowerCase();var Mn={isMac:En.indexOf("macintosh")>-1,isEdge:!!En.match(/edge\/(\d+.?\d*)/),isGecko:!!En.match(/gecko\/\d+/),isSafari:function(t){return t.indexOf(" applewebkit/")>-1&&-1===t.indexOf("chrome")}(En),isAndroid:En.indexOf("android")>-1,features:{isRegExpUnicodePropertySupported:function(){let t=!1;try{t=0==="ć".search(new RegExp("[\\p{L}]","u"))}catch(t){}return t}()}};const In={"⌘":"ctrl","⇧":"shift","⌥":"alt"},On={ctrl:"⌘",shift:"⇧",alt:"⌥"},Nn=function(){const t={arrowleft:37,arrowup:38,arrowright:39,arrowdown:40,backspace:8,delete:46,enter:13,space:32,esc:27,tab:9,ctrl:1114112,cmd:1114112,shift:2228224,alt:4456448};for(let e=65;e<=90;e++){t[String.fromCharCode(e).toLowerCase()]=e}for(let e=48;e<=57;e++)t[e-48]=e;for(let e=112;e<=123;e++)t["f"+(e-111)]=e;return t}();function Rn(t){let e;if("string"==typeof t){if(!(e=Nn[t.toLowerCase()]))throw new be.b("keyboard-unknown-key: Unknown key name.",null,{key:t})}else e=t.keyCode+(t.altKey?Nn.alt:0)+(t.ctrlKey?Nn.ctrl:0)+(t.shiftKey?Nn.shift:0);return e}function jn(t){return"string"==typeof t&&(t=Dn(t)),t.map(t=>"string"==typeof t?Rn(t):t).reduce((t,e)=>e+t,0)}function Dn(t){return t.split(/\s*\+\s*/)}class Ln extends Be{constructor(t,e,n){super(t,e,n),this.getFillerOffset=Vn}is(t,e=null){const n=t.replace(/^view:/,"");return e?"uiElement"==n&&e==this.name||super.is(t,e):"uiElement"==n||super.is(t)}_insertChild(t,e){if(e&&(e instanceof Re||Array.from(e).length>0))throw new be.b("view-uielement-cannot-add: Cannot add child nodes to UIElement instance.",this)}render(t){return this.toDomElement(t)}toDomElement(t){const e=t.createElement(this.name);for(const t of this.getAttributeKeys())e.setAttribute(t,this.getAttribute(t));return e}}function Vn(){return null}class zn{constructor(t){this._children=[],t&&this._insertChild(0,t)}[Symbol.iterator](){return this._children[Symbol.iterator]()}get childCount(){return this._children.length}get isEmpty(){return 0===this.childCount}get root(){return this}get parent(){return null}is(t){return"documentFragment"==t||"view:documentFragment"==t}_appendChild(t){return this._insertChild(this.childCount,t)}getChild(t){return 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this.markedChildren)this._updateChildrenMappings(t);this._inlineFiller&&!this._isSelectionInInlineFiller()&&this._removeInlineFiller(),this._inlineFiller?t=this._getInlineFillerPosition():this._needsInlineFillerAtSelection()&&(t=this.selection.getFirstPosition(),this.markedChildren.add(t.parent));for(const t of this.markedAttributes)this._updateAttrs(t);for(const e of this.markedChildren)this._updateChildren(e,{inlineFillerPosition:t});for(const e of this.markedTexts)!this.markedChildren.has(e.parent)&&this.domConverter.mapViewToDom(e.parent)&&this._updateText(e,{inlineFillerPosition:t});if(t){const e=this.domConverter.viewPositionToDom(t),n=e.parent.ownerDocument;ei(e.parent)?this._inlineFiller=e.parent:this._inlineFiller=gi(n,e.parent,e.offset)}else this._inlineFiller=null;this._updateSelection(),this._updateFocus(),this.markedTexts.clear(),this.markedAttributes.clear(),this.markedChildren.clear()}_updateChildrenMappings(t){const e=this.domConverter.mapViewToDom(t);if(!e)return;const n=this.domConverter.mapViewToDom(t).childNodes,i=Array.from(this.domConverter.viewChildrenToDom(t,e.ownerDocument,{withChildren:!1})),o=this._diffNodeLists(n,i),r=this._findReplaceActions(o,n,i);if(-1!==r.indexOf("replace")){const e={equal:0,insert:0,delete:0};for(const o of r)if("replace"===o){const o=e.equal+e.insert,r=e.equal+e.delete,s=t.getChild(o);s&&!s.is("uiElement")&&this._updateElementMappings(s,n[r]),hi(i[o]),e.equal++}else e[o]++}}_updateElementMappings(t,e){this.domConverter.unbindDomElement(e),this.domConverter.bindElements(e,t),this.markedChildren.add(t),this.markedAttributes.add(t)}_getInlineFillerPosition(){const t=this.selection.getFirstPosition();return t.parent.is("text")?gn._createBefore(this.selection.getFirstPosition().parent):t}_isSelectionInInlineFiller(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const t=this.selection.getFirstPosition(),e=this.domConverter.viewPositionToDom(t);return!!(e&&Kn(e.parent)&&ei(e.parent))}_removeInlineFiller(){const t=this._inlineFiller;if(!ei(t))throw new be.b("view-renderer-filler-was-lost: The inline filler node was lost.",this);ni(t)?t.parentNode.removeChild(t):t.data=t.data.substr(Xn),this._inlineFiller=null}_needsInlineFillerAtSelection(){if(1!=this.selection.rangeCount||!this.selection.isCollapsed)return!1;const t=this.selection.getFirstPosition(),e=t.parent,n=t.offset;if(!this.domConverter.mapViewToDom(e.root))return!1;if(!e.is("element"))return!1;if(!function(t){if("false"==t.getAttribute("contenteditable"))return!1;const e=t.findAncestor(t=>t.hasAttribute("contenteditable"));return!e||"true"==e.getAttribute("contenteditable")}(e))return!1;if(n===e.getFillerOffset())return!1;const i=t.nodeBefore,o=t.nodeAfter;return!(i instanceof je||o instanceof je)}_updateText(t,e){const n=this.domConverter.findCorrespondingDomText(t),i=this.domConverter.viewToDom(t,n.ownerDocument),o=n.data;let r=i.data;const s=e.inlineFillerPosition;if(s&&s.parent==t.parent&&s.offset==t.index&&(r=ti+r),o!=r){const t=ai(o,r);for(const e of t)"insert"===e.type?n.insertData(e.index,e.values.join("")):n.deleteData(e.index,e.howMany)}}_updateAttrs(t){const e=this.domConverter.mapViewToDom(t);if(!e)return;const n=Array.from(e.attributes).map(t=>t.name),i=t.getAttributeKeys();for(const n of i)e.setAttribute(n,t.getAttribute(n));for(const i of n)t.hasAttribute(i)||e.removeAttribute(i)}_updateChildren(t,e){const n=this.domConverter.mapViewToDom(t);if(!n)return;const i=e.inlineFillerPosition,o=this.domConverter.mapViewToDom(t).childNodes,r=Array.from(this.domConverter.viewChildrenToDom(t,n.ownerDocument,{bind:!0,inlineFillerPosition:i}));i&&i.parent===t&&gi(n.ownerDocument,r,i.offset);const s=this._diffNodeLists(o,r);let a=0;const c=new Set;for(const t of s)"insert"===t?(di(n,a,r[a]),a++):"delete"===t?(c.add(o[a]),hi(o[a])):(this._markDescendantTextToSync(this.domConverter.domToView(r[a])),a++);for(const t of c)t.parentNode||this.domConverter.unbindDomElement(t)}_diffNodeLists(t,e){return ui(t=function(t,e){const n=Array.from(t);return 0!=n.length&&e?(n[n.length-1]==e&&n.pop(),n):n}(t,this._fakeSelectionContainer),e,function(t,e,n){return e===n||(Kn(e)&&Kn(n)?e.data===n.data:!(!ri(e,t)||!ri(n,t)))}.bind(null,this.domConverter.blockFiller))}_findReplaceActions(t,e,n){if(-1===t.indexOf("insert")||-1===t.indexOf("delete"))return t;let i=[],o=[],r=[];const s={equal:0,insert:0,delete:0};for(const a of t)"insert"===a?r.push(n[s.equal+s.insert]):"delete"===a?o.push(e[s.equal+s.delete]):((i=i.concat(ui(o,r,mi).map(t=>"equal"===t?"replace":t))).push("equal"),o=[],r=[]),s[a]++;return i.concat(ui(o,r,mi).map(t=>"equal"===t?"replace":t))}_markDescendantTextToSync(t){if(t)if(t.is("text"))this.markedTexts.add(t);else if(t.is("element"))for(const e of t.getChildren())this._markDescendantTextToSync(e)}_updateSelection(){if(0===this.selection.rangeCount)return this._removeDomSelection(),void this._removeFakeSelection();const t=this.domConverter.mapViewToDom(this.selection.editableElement);this.isFocused&&t&&(this.selection.isFake?this._updateFakeSelection(t):(this._removeFakeSelection(),this._updateDomSelection(t)))}_updateFakeSelection(t){const e=t.ownerDocument;let n=this._fakeSelectionContainer;n||(this._fakeSelectionContainer=n=e.createElement("div"),Object.assign(n.style,{position:"fixed",top:0,left:"-9999px",width:"42px"}),n.textContent=" "),n.parentElement&&n.parentElement==t||t.appendChild(n),n.textContent=this.selection.fakeSelectionLabel||" ";const i=e.getSelection(),o=e.createRange();i.removeAllRanges(),o.selectNodeContents(n),i.addRange(o),this.domConverter.bindFakeSelection(n,this.selection)}_updateDomSelection(t){const e=t.ownerDocument.defaultView.getSelection();if(!this._domSelectionNeedsUpdate(e))return;const n=this.domConverter.viewPositionToDom(this.selection.anchor),i=this.domConverter.viewPositionToDom(this.selection.focus);t.focus(),e.collapse(n.parent,n.offset),e.extend(i.parent,i.offset),Mn.isGecko&&function(t,e){const n=t.parent;if(n.nodeType!=Node.ELEMENT_NODE||t.offset!=n.childNodes.length-1)return;const i=n.childNodes[t.offset];i&&"BR"==i.tagName&&e.addRange(e.getRangeAt(0))}(i,e)}_domSelectionNeedsUpdate(t){if(!this.domConverter.isDomSelectionCorrect(t))return!0;const e=t&&this.domConverter.domSelectionToView(t);return!(e&&this.selection.isEqual(e)||!this.selection.isCollapsed&&this.selection.isSimilar(e))}_removeDomSelection(){for(const t of this.domDocuments)if(t.getSelection().rangeCount){const e=t.activeElement,n=this.domConverter.mapDomToView(e);e&&n&&t.getSelection().removeAllRanges()}}_removeFakeSelection(){const t=this._fakeSelectionContainer;t&&t.remove()}_updateFocus(){if(this.isFocused){const t=this.selection.editableElement;t&&this.domConverter.focus(t)}}}function gi(t,e,n){const i=e instanceof Array?e:e.childNodes,o=i[n];if(Kn(o))return o.data=ti+o.data,o;{const o=t.createTextNode(ti);return Array.isArray(e)?i.splice(n,0,o):di(e,n,o),o}}function mi(t,e){return fi(t)&&fi(e)&&!Kn(t)&&!Kn(e)&&t.tagName.toLowerCase()===e.tagName.toLowerCase()}Ie(pi,on);var bi={window:window,document:document};function wi(t){let e=0;for(;t.previousSibling;)t=t.previousSibling,e++;return e}function _i(t){const e=[];for(;t&&t.nodeType!=Node.DOCUMENT_NODE;)e.unshift(t),t=t.parentNode;return e}class vi{constructor(t={}){this.blockFiller=t.blockFiller||Jn,this.preElements=["pre"],this.blockElements=["p","div","h1","h2","h3","h4","h5","h6"],this._domToViewMapping=new WeakMap,this._viewToDomMapping=new WeakMap,this._fakeSelectionMapping=new WeakMap}bindFakeSelection(t,e){this._fakeSelectionMapping.set(t,new _n(e))}fakeSelectionToView(t){return this._fakeSelectionMapping.get(t)}bindElements(t,e){this._domToViewMapping.set(t,e),this._viewToDomMapping.set(e,t)}unbindDomElement(t){const e=this._domToViewMapping.get(t);if(e){this._domToViewMapping.delete(t),this._viewToDomMapping.delete(e);for(const e of Array.from(t.childNodes))this.unbindDomElement(e)}}bindDocumentFragments(t,e){this._domToViewMapping.set(t,e),this._viewToDomMapping.set(e,t)}viewToDom(t,e,n={}){if(t.is("text")){const n=this._processDataFromViewText(t);return e.createTextNode(n)}{if(this.mapViewToDom(t))return this.mapViewToDom(t);let i;if(t.is("documentFragment"))i=e.createDocumentFragment(),n.bind&&this.bindDocumentFragments(i,t);else{if(t.is("uiElement"))return i=t.render(e),n.bind&&this.bindElements(i,t),i;i=e.createElement(t.name),n.bind&&this.bindElements(i,t);for(const e of t.getAttributeKeys())i.setAttribute(e,t.getAttribute(e))}if(n.withChildren||void 0===n.withChildren)for(const o of this.viewChildrenToDom(t,e,n))i.appendChild(o);return i}}*viewChildrenToDom(t,e,n={}){const i=t.getFillerOffset&&t.getFillerOffset();let o=0;for(const r of t.getChildren())i===o&&(yield this.blockFiller(e)),yield this.viewToDom(r,e,n),o++;i===o&&(yield this.blockFiller(e))}viewRangeToDom(t){const e=this.viewPositionToDom(t.start),n=this.viewPositionToDom(t.end),i=document.createRange();return i.setStart(e.parent,e.offset),i.setEnd(n.parent,n.offset),i}viewPositionToDom(t){const e=t.parent;if(e.is("text")){const n=this.findCorrespondingDomText(e);if(!n)return null;let i=t.offset;return ei(n)&&(i+=Xn),{parent:n,offset:i}}{let n,i,o;if(0===t.offset){if(!(n=this.mapViewToDom(e)))return null;o=n.childNodes[0]}else{const e=t.nodeBefore;if(!(i=e.is("text")?this.findCorrespondingDomText(e):this.mapViewToDom(t.nodeBefore)))return null;n=i.parentNode,o=i.nextSibling}return Kn(o)&&ei(o)?{parent:o,offset:Xn}:{parent:n,offset:i?wi(i)+1:0}}}domToView(t,e={}){if(ri(t,this.blockFiller))return null;const 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s=at(t),a=at(e),c=s?zi:Gt(t),l=a?zi:Gt(e),u=(c=c==Vi?Fi:c)==Fi,d=(l=l==Vi?Fi:l)==Fi,h=c==l;if(h&&Object(ct.a)(t)){if(!Object(ct.a)(e))return!1;s=!0,u=!1}if(h&&!u)return r||(r=new K),s||mt(t)?Oi(t,e,n,i,o,r):function(t,e,n,i,o,r,s){switch(n){case"[object DataView]":if(t.byteLength!=e.byteLength||t.byteOffset!=e.byteOffset)return!1;t=t.buffer,e=e.buffer;case"[object ArrayBuffer]":return!(t.byteLength!=e.byteLength||!r(new Kt(t),new Kt(e)));case"[object Boolean]":case"[object Date]":case"[object Number]":return k(+t,+e);case"[object Error]":return t.name==e.name&&t.message==e.message;case"[object RegExp]":case"[object String]":return t==e+"";case"[object Map]":var a=Ni;case"[object Set]":var c=1&i;if(a||(a=Ri),t.size!=e.size&&!c)return!1;var l=s.get(t);if(l)return l==e;i|=2,s.set(t,e);var u=Oi(a(t),a(e),i,o,r,s);return s.delete(t),u;case"[object Symbol]":if(Di)return Di.call(t)==Di.call(e)}return!1}(t,e,c,n,i,o,r);if(!(1&n)){var 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extends Pi{constructor(t){super(t),this._config={childList:!0,characterData:!0,characterDataOldValue:!0,subtree:!0},this.domConverter=t.domConverter,this.renderer=t._renderer,this._domElements=[],this._mutationObserver=new window.MutationObserver(this._onMutations.bind(this))}flush(){this._onMutations(this._mutationObserver.takeRecords())}observe(t){this._domElements.push(t),this.isEnabled&&this._mutationObserver.observe(t,this._config)}enable(){super.enable();for(const t of this._domElements)this._mutationObserver.observe(t,this._config)}disable(){super.disable(),this._mutationObserver.disconnect()}destroy(){super.destroy(),this._mutationObserver.disconnect()}_onMutations(t){if(0===t.length)return;const e=this.domConverter,n=new Map,i=new Set;for(const n of t)if("childList"===n.type){const t=e.mapDomToView(n.target);if(t&&t.is("uiElement"))continue;t&&!this._isBogusBrMutation(n)&&i.add(t)}for(const o of t){const t=e.mapDomToView(o.target);if(!(t&&t.is("uiElement")||"characterData"!==o.type)){const t=e.findCorrespondingViewText(o.target);t&&!i.has(t.parent)?n.set(t,{type:"text",oldText:t.data,newText:ii(o.target),node:t}):!t&&ei(o.target)&&i.add(e.mapDomToView(o.target.parentNode))}}const o=[];for(const t of n.values())this.renderer.markToSync("text",t.node),o.push(t);for(const t of i){const n=e.mapViewToDom(t),i=Array.from(t.getChildren()),r=Array.from(e.domChildrenToView(n,{withChildren:!1}));qi(i,r,a)||(this.renderer.markToSync("children",t),o.push({type:"children",oldChildren:i,newChildren:r,node:t}))}const r=t[0].target.ownerDocument.getSelection();let s=null;if(r&&r.anchorNode){const t=e.domPositionToView(r.anchorNode,r.anchorOffset),n=e.domPositionToView(r.focusNode,r.focusOffset);t&&n&&(s=new _n(t)).setFocus(n)}function a(t,e){if(!Array.isArray(t))return t===e||!(!t.is("text")||!e.is("text"))&&t.data===e.data}this.document.fire("mutations",o,s),this.view.forceRender()}_isBogusBrMutation(t){let e=null;return null===t.nextSibling&&0===t.removedNodes.length&&1==t.addedNodes.length&&(e=this.domConverter.domToView(t.addedNodes[0],{withChildren:!1})),e&&e.is("element","br")}}class Wi{constructor(t,e,n){this.view=t,this.document=t.document,this.domEvent=e,this.domTarget=e.target,Ze(this,n)}get target(){return this.view.domConverter.mapDomToView(this.domTarget)}preventDefault(){this.domEvent.preventDefault()}stopPropagation(){this.domEvent.stopPropagation()}}class Yi extends Pi{constructor(t){super(t),this.useCapture=!1}observe(t){("string"==typeof this.domEventType?[this.domEventType]:this.domEventType).forEach(e=>{this.listenTo(t,e,(t,e)=>{this.isEnabled&&this.onDomEvent(e)},{useCapture:this.useCapture})})}fire(t,e,n){this.isEnabled&&this.document.fire(t,new Wi(this.view,e,n))}}class Gi extends Yi{constructor(t){super(t),this.domEventType=["keydown","keyup"]}onDomEvent(t){this.fire(t.type,t,{keyCode:t.keyCode,altKey:t.altKey,ctrlKey:t.ctrlKey||t.metaKey,shiftKey:t.shiftKey,get keystroke(){return Rn(this)}})}}var Qi=function(){return i.a.Date.now()},Ki=function(t){return"symbol"==typeof t||p(t)&&"[object Symbol]"==d(t)},Ji=/^\s+|\s+$/g,Zi=/^[-+]0x[0-9a-f]+$/i,Xi=/^0b[01]+$/i,to=/^0o[0-7]+$/i,eo=parseInt,no=function(t){if("number"==typeof t)return t;if(Ki(t))return NaN;if(C(t)){var e="function"==typeof t.valueOf?t.valueOf():t;t=C(e)?e+"":e}if("string"!=typeof t)return 0===t?t:+t;t=t.replace(Ji,"");var n=Xi.test(t);return n||to.test(t)?eo(t.slice(2),n?2:8):Zi.test(t)?NaN:+t},io=Math.max,oo=Math.min,ro=function(t,e,n){var i,o,r,s,a,c,l=0,u=!1,d=!1,h=!0;if("function"!=typeof t)throw new TypeError("Expected a function");function f(e){var n=i,r=o;return i=o=void 0,l=e,s=t.apply(r,n)}function p(t){var n=t-c;return void 0===c||n>=e||n<0||d&&t-l>=r}function g(){var t=Qi();if(p(t))return m(t);a=setTimeout(g,function(t){var n=e-(t-c);return d?oo(n,r-(t-l)):n}(t))}function m(t){return a=void 0,h&&i?f(t):(i=o=void 0,s)}function b(){var t=Qi(),n=p(t);if(i=arguments,o=this,c=t,n){if(void 0===a)return function(t){return l=t,a=setTimeout(g,e),u?f(t):s}(c);if(d)return clearTimeout(a),a=setTimeout(g,e),f(c)}return void 0===a&&(a=setTimeout(g,e)),s}return e=no(e)||0,C(n)&&(u=!!n.leading,r=(d="maxWait"in n)?io(no(n.maxWait)||0,e):r,h="trailing"in n?!!n.trailing:h),b.cancel=function(){void 0!==a&&clearTimeout(a),l=0,i=c=o=a=void 0},b.flush=function(){return void 0===a?s:m(Qi())},b};class so extends Pi{constructor(t){super(t),this._fireSelectionChangeDoneDebounced=ro(t=>this.document.fire("selectionChangeDone",t),200)}observe(){const t=this.document;t.on("keydown",(e,n)=>{t.selection.isFake&&function(t){return t==Nn.arrowright||t==Nn.arrowleft||t==Nn.arrowup||t==Nn.arrowdown}(n.keyCode)&&this.isEnabled&&(n.preventDefault(),this._handleSelectionMove(n.keyCode))},{priority:"lowest"})}destroy(){super.destroy(),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionMove(t){const e=this.document.selection,n=new _n(e.getRanges(),{backward:e.isBackward,fake:!1});t!=Nn.arrowleft&&t!=Nn.arrowup||n.setTo(n.getFirstPosition()),t!=Nn.arrowright&&t!=Nn.arrowdown||n.setTo(n.getLastPosition());const i={oldSelection:e,newSelection:n,domSelection:null};this.document.fire("selectionChange",i),this._fireSelectionChangeDoneDebounced(i)}}class ao extends Pi{constructor(t){super(t),this.mutationObserver=t.getObserver(Hi),this.selection=this.document.selection,this.domConverter=t.domConverter,this._documents=new WeakSet,this._fireSelectionChangeDoneDebounced=ro(t=>this.document.fire("selectionChangeDone",t),200),this._clearInfiniteLoopInterval=setInterval(()=>this._clearInfiniteLoop(),1e3),this._loopbackCounter=0}observe(t){const e=t.ownerDocument;this._documents.has(e)||(this.listenTo(e,"selectionchange",()=>{this._handleSelectionChange(e)}),this._documents.add(e))}destroy(){super.destroy(),clearInterval(this._clearInfiniteLoopInterval),this._fireSelectionChangeDoneDebounced.cancel()}_handleSelectionChange(t){if(!this.isEnabled||!this.document.isFocused&&!this.document.isReadOnly)return;this.mutationObserver.flush();const e=t.defaultView.getSelection(),n=this.domConverter.domSelectionToView(e);if(!(this.selection.isEqual(n)&&this.domConverter.isDomSelectionCorrect(e)||++this._loopbackCounter>60))if(this.selection.isSimilar(n))this.view.forceRender();else{const t={oldSelection:this.selection,newSelection:n,domSelection:e};this.document.fire("selectionChange",t),this._fireSelectionChangeDoneDebounced(t)}}_clearInfiniteLoop(){this._loopbackCounter=0}}class co extends Yi{constructor(t){super(t),this.domEventType=["focus","blur"],this.useCapture=!0;const e=this.document;e.on("focus",()=>{e.isFocused=!0,this._renderTimeoutId=setTimeout(()=>t.forceRender(),50)}),e.on("blur",(n,i)=>{const o=e.selection.editableElement;null!==o&&o!==i.target||(e.isFocused=!1,t.forceRender())})}onDomEvent(t){this.fire(t.type,t)}destroy(){this._renderTimeoutId&&clearTimeout(this._renderTimeoutId),super.destroy()}}class lo extends Yi{constructor(t){super(t),this.domEventType=["compositionstart","compositionupdate","compositionend"];const e=this.document;e.on("compositionstart",()=>{e.isComposing=!0}),e.on("compositionend",()=>{e.isComposing=!1})}onDomEvent(t){this.fire(t.type,t)}}class uo extends Yi{constructor(t){super(t),this.domEventType=["beforeinput"]}onDomEvent(t){this.fire(t.type,t)}}function ho(t){return"[object Range]"==Object.prototype.toString.apply(t)}function fo(t){const e=t.ownerDocument.defaultView.getComputedStyle(t);return{top:parseInt(e.borderTopWidth,10),right:parseInt(e.borderRightWidth,10),bottom:parseInt(e.borderBottomWidth,10),left:parseInt(e.borderLeftWidth,10)}}const po=["top","right","bottom","left","width","height"];class go{constructor(t){const e=ho(t);if(Object.defineProperty(this,"_source",{value:t._source||t,writable:!0,enumerable:!1}),pe(t)||e)mo(this,e?go.getDomRangeRects(t)[0]:t.getBoundingClientRect());else if(xi(t)){const{innerWidth:e,innerHeight:n}=t;mo(this,{top:0,right:e,bottom:n,left:0,width:e,height:n})}else mo(this,t)}clone(){return new go(this)}moveTo(t,e){return this.top=e,this.right=t+this.width,this.bottom=e+this.height,this.left=t,this}moveBy(t,e){return this.top+=e,this.right+=t,this.left+=t,this.bottom+=e,this}getIntersection(t){const e={top:Math.max(this.top,t.top),right:Math.min(this.right,t.right),bottom:Math.min(this.bottom,t.bottom),left:Math.max(this.left,t.left)};return e.width=e.right-e.left,e.height=e.bottom-e.top,e.width<0||e.height<0?null:new go(e)}getIntersectionArea(t){const e=this.getIntersection(t);return e?e.getArea():0}getArea(){return this.width*this.height}getVisible(){const t=this._source;let e=this.clone();if(!bo(t)){let n=t.parentNode||t.commonAncestorContainer;for(;n&&!bo(n);){const t=new go(n),i=e.getIntersection(t);if(!i)return null;i.getArea()<e.getArea()&&(e=i),n=n.parentNode}}return e}isEqual(t){for(const e of po)if(this[e]!==t[e])return!1;return!0}contains(t){const e=this.getIntersection(t);return!(!e||!e.isEqual(t))}excludeScrollbarsAndBorders(){const t=this._source;let e,n;if(xi(t))e=t.innerWidth-t.document.documentElement.clientWidth,n=t.innerHeight-t.document.documentElement.clientHeight;else{const i=fo(this._source);e=t.offsetWidth-t.clientWidth,n=t.offsetHeight-t.clientHeight,this.moveBy(i.left,i.top)}return this.width-=e,this.right-=e,this.height-=n,this.bottom-=n,this}static getDomRangeRects(t){const e=[],n=Array.from(t.getClientRects());if(n.length)for(const t of n)e.push(new go(t));else{let n=t.startContainer;Kn(n)&&(n=n.parentNode);const i=new go(n.getBoundingClientRect());i.right=i.left,i.width=0,e.push(i)}return e}}function mo(t,e){for(const n of po)t[n]=e[n]}function bo(t){return!!pe(t)&&t===t.ownerDocument.body}function wo({target:t,viewportOffset:e=0}){const n=To(t);let i=n,o=null;for(;i;){let r;vo(r=Co(i==n?t:o),()=>Po(t,i));const s=Po(t,i);if(_o(i,s,e),i.parent!=i){if(o=i.frameElement,i=i.parent,!o)return}else i=null}}function _o(t,e,n){const i=e.clone().moveBy(0,n),o=e.clone().moveBy(0,-n),r=new go(t).excludeScrollbarsAndBorders();if(![o,i].every(t=>r.contains(t))){let{scrollX:s,scrollY:a}=t;yo(o,r)?a-=r.top-e.top+n:ko(i,r)&&(a+=e.bottom-r.bottom+n),xo(e,r)?s-=r.left-e.left+n:Ao(e,r)&&(s+=e.right-r.right+n),t.scrollTo(s,a)}}function vo(t,e){const n=To(t);let i,o;for(;t!=n.document.body;)o=e(),(i=new go(t).excludeScrollbarsAndBorders()).contains(o)||(yo(o,i)?t.scrollTop-=i.top-o.top:ko(o,i)&&(t.scrollTop+=o.bottom-i.bottom),xo(o,i)?t.scrollLeft-=i.left-o.left:Ao(o,i)&&(t.scrollLeft+=o.right-i.right)),t=t.parentNode}function ko(t,e){return t.bottom>e.bottom}function yo(t,e){return t.top<e.top}function xo(t,e){return t.left<e.left}function Ao(t,e){return t.right>e.right}function To(t){return ho(t)?t.startContainer.ownerDocument.defaultView:t.ownerDocument.defaultView}function Co(t){if(ho(t)){let e=t.commonAncestorContainer;return Kn(e)&&(e=e.parentNode),e}return t.parentNode}function Po(t,e){const n=To(t),i=new go(t);if(n===e)return i;{let t=n;for(;t!=e;){const e=t.frameElement,n=new go(e).excludeScrollbarsAndBorders();i.moveBy(n.left,n.top),t=t.parent}}return i}Object.assign({},{scrollViewportToShowTarget:wo,scrollAncestorsToShowTarget:function(t){vo(Co(t),()=>new go(t))}});class So{constructor(){this.document=new yn,this.domConverter=new vi,this.domRoots=new Map,this.set("isRenderingInProgress",!1),this._renderer=new pi(this.domConverter,this.document.selection),this._renderer.bind("isFocused").to(this.document),this._initialDomRootAttributes=new WeakMap,this._observers=new Map,this._ongoingChange=!1,this._postFixersInProgress=!1,this._renderingDisabled=!1,this._hasChangedSinceTheLastRendering=!1,this._writer=new Fn(this.document),this.addObserver(Hi),this.addObserver(ao),this.addObserver(co),this.addObserver(Gi),this.addObserver(so),this.addObserver(lo),Mn.isAndroid&&this.addObserver(uo),this.document.on("keydown",si),function(t){t.document.on("keydown",(e,n)=>(function(t,e,n){if(e.keyCode==Nn.arrowright){const t=e.domTarget.ownerDocument.defaultView.getSelection(),i=1==t.rangeCount&&t.getRangeAt(0).collapsed;if(i||e.shiftKey){const e=t.focusNode,o=t.focusOffset,r=n.domPositionToView(e,o);if(null===r)return;let s=!1;const a=r.getLastMatchingPosition(t=>(t.item.is("uiElement")&&(s=!0),!(!t.item.is("uiElement")&&!t.item.is("attributeElement"))));if(s){const e=n.viewPositionToDom(a);i?t.collapse(e.parent,e.offset):t.extend(e.parent,e.offset)}}}})(0,n,t.domConverter))}(this),this.on("render",()=>{this._render(),this.document.fire("layoutChanged"),this._hasChangedSinceTheLastRendering=!1}),this.listenTo(this.document.selection,"change",()=>{this._hasChangedSinceTheLastRendering=!0})}attachDomRoot(t,e="main"){const n=this.document.getRoot(e);n._name=t.tagName.toLowerCase();const i={};for(const{name:e,value:o}of Array.from(t.attributes))i[e]=o,"class"===e?this._writer.addClass(o.split(" "),n):this._writer.setAttribute(e,o,n);this._initialDomRootAttributes.set(t,i);const o=()=>{this._writer.setAttribute("contenteditable",!n.isReadOnly,n),n.isReadOnly?this._writer.addClass("ck-read-only",n):this._writer.removeClass("ck-read-only",n)};o(),this.domRoots.set(e,t),this.domConverter.bindElements(t,n),this._renderer.markToSync("children",n),this._renderer.markToSync("attributes",n),this._renderer.domDocuments.add(t.ownerDocument),n.on("change:children",(t,e)=>this._renderer.markToSync("children",e)),n.on("change:attributes",(t,e)=>this._renderer.markToSync("attributes",e)),n.on("change:text",(t,e)=>this._renderer.markToSync("text",e)),n.on("change:isReadOnly",()=>this.change(o)),n.on("change",()=>{this._hasChangedSinceTheLastRendering=!0});for(const n of this._observers.values())n.observe(t,e)}detachDomRoot(t){const e=this.domRoots.get(t);Array.from(e.attributes).forEach(({name:t})=>e.removeAttribute(t));const n=this._initialDomRootAttributes.get(e);for(const t in n)e.setAttribute(t,n[t]);this.domRoots.delete(t),this.domConverter.unbindDomElement(e)}getDomRoot(t="main"){return this.domRoots.get(t)}addObserver(t){let e=this._observers.get(t);if(e)return e;e=new t(this),this._observers.set(t,e);for(const[t,n]of this.domRoots)e.observe(n,t);return e.enable(),e}getObserver(t){return this._observers.get(t)}disableObservers(){for(const t of this._observers.values())t.disable()}enableObservers(){for(const t of this._observers.values())t.enable()}scrollToTheSelection(){const t=this.document.selection.getFirstRange();t&&wo({target:this.domConverter.viewRangeToDom(t),viewportOffset:20})}focus(){if(!this.document.isFocused){const t=this.document.selection.editableElement;t&&(this.domConverter.focus(t),this.forceRender())}}change(t){if(this.isRenderingInProgress||this._postFixersInProgress)throw new be.b("cannot-change-view-tree: Attempting to make changes to the view when it is in an incorrect state: rendering or post-fixers are in progress. This may cause some unexpected behavior and inconsistency between the DOM and the view.",this);if(this._ongoingChange)return t(this._writer);this._ongoingChange=!0;const e=t(this._writer);return this._ongoingChange=!1,!this._renderingDisabled&&this._hasChangedSinceTheLastRendering&&(this._postFixersInProgress=!0,this.document._callPostFixers(this._writer),this._postFixersInProgress=!1,this.fire("render")),e}forceRender(){this._hasChangedSinceTheLastRendering=!0,this.change(()=>{})}destroy(){for(const t of this._observers.values())t.destroy();this.document.destroy(),this.stopListening()}createPositionAt(t,e){return gn._createAt(t,e)}createPositionAfter(t){return gn._createAfter(t)}createPositionBefore(t){return gn._createBefore(t)}createRange(t,e){return new mn(t,e)}createRangeOn(t){return mn._createOn(t)}createRangeIn(t){return mn._createIn(t)}createSelection(t,e,n){return new _n(t,e,n)}_disableRendering(t){this._renderingDisabled=t,0==t&&this.change(()=>{})}_render(){this.isRenderingInProgress=!0,this.disableObservers(),this._renderer.render(),this.enableObservers(),this.isRenderingInProgress=!1}}function Eo(t){return v(t)?Le(t):new Map(t)}Ie(So,on);class Mo{constructor(t){this.parent=null,this._attrs=Eo(t)}get index(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildIndex(this)))throw new be.b("model-node-not-found-in-parent: The node's parent does not contain this node.",this);return t}get startOffset(){let t;if(!this.parent)return null;if(null===(t=this.parent.getChildStartOffset(this)))throw new be.b("model-node-not-found-in-parent: The node's parent does not contain this node.",this);return t}get offsetSize(){return 1}get endOffset(){return this.parent?this.startOffset+this.offsetSize:null}get nextSibling(){const t=this.index;return null!==t&&this.parent.getChild(t+1)||null}get previousSibling(){const t=this.index;return null!==t&&this.parent.getChild(t-1)||null}get root(){let t=this;for(;t.parent;)t=t.parent;return t}get document(){return this.root==this?null:this.root.document||null}getPath(){const t=[];let e=this;for(;e.parent;)t.unshift(e.startOffset),e=e.parent;return t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let n=t.includeSelf?this:this.parent;for(;n;)e[t.parentFirst?"push":"unshift"](n),n=n.parent;return e}getCommonAncestor(t,e={}){const n=this.getAncestors(e),i=t.getAncestors(e);let o=0;for(;n[o]==i[o]&&n[o];)o++;return 0===o?null:n[o-1]}isBefore(t){if(this==t)return!1;if(this.root!==t.root)return!1;const e=this.getPath(),n=t.getPath(),i=Oe(e,n);switch(i){case"prefix":return!0;case"extension":return!1;default:return e[i]<n[i]}}isAfter(t){return this!=t&&this.root===t.root&&!this.isBefore(t)}hasAttribute(t){return this._attrs.has(t)}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}toJSON(){const t={};return this._attrs.size&&(t.attributes=Array.from(this._attrs).reduce((t,e)=>(t[e[0]]=e[1],t),{})),t}is(t){return"node"==t||"model:node"==t}_clone(){return new Mo(this._attrs)}_remove(){this.parent._removeChildren(this.index)}_setAttribute(t,e){this._attrs.set(t,e)}_setAttributesTo(t){this._attrs=Eo(t)}_removeAttribute(t){return this._attrs.delete(t)}_clearAttributes(){this._attrs.clear()}}class Io extends Mo{constructor(t,e){super(e),this._data=t||""}get offsetSize(){return this.data.length}get data(){return this._data}is(t){return"text"==t||"model:text"==t||super.is(t)}toJSON(){const t=super.toJSON();return t.data=this.data,t}_clone(){return new Io(this.data,this.getAttributes())}static fromJSON(t){return new Io(t.data,t.attributes)}}class Oo{constructor(t,e,n){if(this.textNode=t,e<0||e>t.offsetSize)throw new be.b("model-textproxy-wrong-offsetintext: Given offsetInText value is incorrect.",this);if(n<0||e+n>t.offsetSize)throw new be.b("model-textproxy-wrong-length: Given length value is incorrect.",this);this.data=t.data.substring(e,e+n),this.offsetInText=e}get startOffset(){return null!==this.textNode.startOffset?this.textNode.startOffset+this.offsetInText:null}get offsetSize(){return this.data.length}get endOffset(){return null!==this.startOffset?this.startOffset+this.offsetSize:null}get isPartial(){return this.offsetSize!==this.textNode.offsetSize}get parent(){return this.textNode.parent}get root(){return this.textNode.root}get document(){return this.textNode.document}is(t){return"textProxy"==t||"model:textProxy"==t}getPath(){const t=this.textNode.getPath();return t.length>0&&(t[t.length-1]+=this.offsetInText),t}getAncestors(t={includeSelf:!1,parentFirst:!1}){const e=[];let n=t.includeSelf?this:this.parent;for(;n;)e[t.parentFirst?"push":"unshift"](n),n=n.parent;return e}hasAttribute(t){return this.textNode.hasAttribute(t)}getAttribute(t){return this.textNode.getAttribute(t)}getAttributes(){return this.textNode.getAttributes()}getAttributeKeys(){return this.textNode.getAttributeKeys()}}class No{constructor(t){this._nodes=[],t&&this._insertNodes(0,t)}[Symbol.iterator](){return this._nodes[Symbol.iterator]()}get length(){return this._nodes.length}get maxOffset(){return this._nodes.reduce((t,e)=>t+e.offsetSize,0)}getNode(t){return this._nodes[t]||null}getNodeIndex(t){const e=this._nodes.indexOf(t);return-1==e?null:e}getNodeStartOffset(t){const e=this.getNodeIndex(t);return null===e?null:this._nodes.slice(0,e).reduce((t,e)=>t+e.offsetSize,0)}indexToOffset(t){if(t==this._nodes.length)return this.maxOffset;const e=this._nodes[t];if(!e)throw new be.b("model-nodelist-index-out-of-bounds: Given index cannot be found in the node list.",this);return this.getNodeStartOffset(e)}offsetToIndex(t){let e=0;for(const n of this._nodes){if(t>=e&&t<e+n.offsetSize)return this.getNodeIndex(n);e+=n.offsetSize}if(e!=t)throw new be.b("model-nodelist-offset-out-of-bounds: Given offset cannot be found in the node list.",this,{offset:t,nodeList:this});return this.length}_insertNodes(t,e){for(const t of e)if(!(t instanceof Mo))throw new be.b("model-nodelist-insertNodes-not-node: Trying to insert an object which is not a Node instance.",this);this._nodes.splice(t,0,...e)}_removeNodes(t,e=1){return this._nodes.splice(t,e)}toJSON(){return this._nodes.map(t=>t.toJSON())}}class Ro extends Mo{constructor(t,e,n){super(e),this.name=t,this._children=new No,n&&this._insertChild(0,n)}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}is(t,e=null){const n=t.replace(/^model:/,"");return e?"element"==n&&e==this.name:"element"==n||n==this.name||super.is(t)}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}offsetToIndex(t){return this._children.offsetToIndex(t)}getNodeByPath(t){let e=this;for(const n of t)e=e.getChild(e.offsetToIndex(n));return e}toJSON(){const t=super.toJSON();if(t.name=this.name,this._children.length>0){t.children=[];for(const e of this._children)t.children.push(e.toJSON())}return t}_clone(t=!1){const e=t?Array.from(this._children).map(t=>t._clone(!0)):null;return new Ro(this.name,this.getAttributes(),e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=function(t){return"string"==typeof t?[new Io(t)]:(Ve(t)||(t=[t]),Array.from(t).map(t=>"string"==typeof t?new Io(t):t instanceof Oo?new Io(t.data,t.getAttributes()):t))}(e);for(const t of n)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,n)}_removeChildren(t,e=1){const n=this._children._removeNodes(t,e);for(const t of n)t.parent=null;return n}static fromJSON(t){let e=null;if(t.children){e=[];for(const n of t.children)n.name?e.push(Ro.fromJSON(n)):e.push(Io.fromJSON(n))}return new Ro(t.name,t.attributes,e)}}class jo{constructor(t={}){if(!t.boundaries&&!t.startPosition)throw new be.b("model-tree-walker-no-start-position: Neither boundaries nor starting position have been defined.",null);const e=t.direction||"forward";if("forward"!=e&&"backward"!=e)throw new be.b("model-tree-walker-unknown-direction: Only `backward` and `forward` direction allowed.",t,{direction:e});this.direction=e,this.boundaries=t.boundaries||null,t.startPosition?this.position=t.startPosition.clone():this.position=Vo._createAt(this.boundaries["backward"==this.direction?"end":"start"]),this.position.stickiness="toNone",this.singleCharacters=!!t.singleCharacters,this.shallow=!!t.shallow,this.ignoreElementEnd=!!t.ignoreElementEnd,this._boundaryStartParent=this.boundaries?this.boundaries.start.parent:null,this._boundaryEndParent=this.boundaries?this.boundaries.end.parent:null,this._visitedParent=this.position.parent}[Symbol.iterator](){return this}skip(t){let e,n,i,o;do{i=this.position,o=this._visitedParent,({done:e,value:n}=this.next())}while(!e&&t(n));e||(this.position=i,this._visitedParent=o)}next(){return"forward"==this.direction?this._next():this._previous()}_next(){const t=this.position,e=this.position.clone(),n=this._visitedParent;if(null===n.parent&&e.offset===n.maxOffset)return{done:!0};if(n===this._boundaryEndParent&&e.offset==this.boundaries.end.offset)return{done:!0};const i=e.textNode?e.textNode:e.nodeAfter;if(i instanceof Ro)return this.shallow?e.offset++:(e.path.push(0),this._visitedParent=i),this.position=e,Do("elementStart",i,t,e,1);if(i instanceof Io){let o;if(this.singleCharacters)o=1;else{let t=i.endOffset;this._boundaryEndParent==n&&this.boundaries.end.offset<t&&(t=this.boundaries.end.offset),o=t-e.offset}const r=e.offset-i.startOffset,s=new Oo(i,r,o);return e.offset+=o,this.position=e,Do("text",s,t,e,o)}return e.path.pop(),e.offset++,this.position=e,this._visitedParent=n.parent,this.ignoreElementEnd?this._next():Do("elementEnd",n,t,e)}_previous(){const t=this.position,e=this.position.clone(),n=this._visitedParent;if(null===n.parent&&0===e.offset)return{done:!0};if(n==this._boundaryStartParent&&e.offset==this.boundaries.start.offset)return{done:!0};const i=e.textNode?e.textNode:e.nodeBefore;if(i instanceof Ro)return e.offset--,this.shallow?(this.position=e,Do("elementStart",i,t,e,1)):(e.path.push(i.maxOffset),this.position=e,this._visitedParent=i,this.ignoreElementEnd?this._previous():Do("elementEnd",i,t,e));if(i instanceof Io){let o;if(this.singleCharacters)o=1;else{let t=i.startOffset;this._boundaryStartParent==n&&this.boundaries.start.offset>t&&(t=this.boundaries.start.offset),o=e.offset-t}const r=e.offset-i.startOffset,s=new Oo(i,r-o,o);return e.offset-=o,this.position=e,Do("text",s,t,e,o)}return e.path.pop(),this.position=e,this._visitedParent=n.parent,Do("elementStart",n,t,e,1)}}function Do(t,e,n,i,o){return{done:!1,value:{type:t,item:e,previousPosition:n,nextPosition:i,length:o}}}var Lo=function(t){var e=null==t?0:t.length;return e?t[e-1]:void 0};class Vo{constructor(t,e,n="toNone"){if(!t.is("element")&&!t.is("documentFragment"))throw new be.b("model-position-root-invalid: Position root invalid.",t);if(!(e instanceof Array)||0===e.length)throw new be.b("model-position-path-incorrect-format: Position path must be an array with at least one item.",t,{path:e});e=t.getPath().concat(e),t=t.root,this.root=t,this.path=e,this.stickiness=n}get offset(){return Lo(this.path)}set offset(t){this.path[this.path.length-1]=t}get parent(){let t=this.root;for(let e=0;e<this.path.length-1;e++)if(!(t=t.getChild(t.offsetToIndex(this.path[e]))))throw new be.b("model-position-path-incorrect: The position's path is incorrect.",this,{position:this});if(t.is("text"))throw new be.b("model-position-path-incorrect: The position's path is incorrect.",this,{position:this});return t}get index(){return this.parent.offsetToIndex(this.offset)}get textNode(){const t=this.parent.getChild(this.index);return t instanceof Io&&t.startOffset<this.offset?t:null}get nodeAfter(){return null===this.textNode?this.parent.getChild(this.index):null}get nodeBefore(){return null===this.textNode?this.parent.getChild(this.index-1):null}get isAtStart(){return 0===this.offset}get isAtEnd(){return this.offset==this.parent.maxOffset}compareWith(t){if(this.root!=t.root)return"different";const e=Oe(this.path,t.path);switch(e){case"same":return"same";case"prefix":return"before";case"extension":return"after";default:return this.path[e]<t.path[e]?"before":"after"}}getLastMatchingPosition(t,e={}){e.startPosition=this;const n=new jo(e);return n.skip(t),n.position}getParentPath(){return this.path.slice(0,-1)}getAncestors(){return this.parent.is("documentFragment")?[this.parent]:this.parent.getAncestors({includeSelf:!0})}getCommonPath(t){if(this.root!=t.root)return[];const e=Oe(this.path,t.path),n="string"==typeof e?Math.min(this.path.length,t.path.length):e;return this.path.slice(0,n)}getCommonAncestor(t){const e=this.getAncestors(),n=t.getAncestors();let i=0;for(;e[i]==n[i]&&e[i];)i++;return 0===i?null:e[i-1]}getShiftedBy(t){const e=this.clone(),n=e.offset+t;return e.offset=n<0?0:n,e}isAfter(t){return"after"==this.compareWith(t)}isBefore(t){return"before"==this.compareWith(t)}isEqual(t){return"same"==this.compareWith(t)}isTouching(t){let e=null,n=null;switch(this.compareWith(t)){case"same":return!0;case"before":e=Vo._createAt(this),n=Vo._createAt(t);break;case"after":e=Vo._createAt(t),n=Vo._createAt(this);break;default:return!1}let i=e.parent;for(;e.path.length+n.path.length;){if(e.isEqual(n))return!0;if(e.path.length>n.path.length){if(e.offset!==i.maxOffset)return!1;e.path=e.path.slice(0,-1),i=i.parent,e.offset++}else{if(0!==n.offset)return!1;n.path=n.path.slice(0,-1)}}}is(t){return"position"==t||"model:position"==t}hasSameParentAs(t){return this.root===t.root&&"same"==Oe(this.getParentPath(),t.getParentPath())}getTransformedByOperation(t){let e;switch(t.type){case"insert":e=this._getTransformedByInsertOperation(t);break;case"move":case"remove":case"reinsert":e=this._getTransformedByMoveOperation(t);break;case"split":e=this._getTransformedBySplitOperation(t);break;case"merge":e=this._getTransformedByMergeOperation(t);break;default:e=Vo._createAt(this)}return e}_getTransformedByInsertOperation(t){return this._getTransformedByInsertion(t.position,t.howMany)}_getTransformedByMoveOperation(t){return this._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany)}_getTransformedBySplitOperation(t){const e=t.movedRange;return e.containsPosition(this)||e.start.isEqual(this)&&"toNext"==this.stickiness?this._getCombined(t.splitPosition,t.moveTargetPosition):t.graveyardPosition?this._getTransformedByMove(t.graveyardPosition,t.insertionPosition,1):this._getTransformedByInsertion(t.insertionPosition,1)}_getTransformedByMergeOperation(t){const e=t.movedRange;let n;return e.containsPosition(this)||e.start.isEqual(this)?(n=this._getCombined(t.sourcePosition,t.targetPosition),t.sourcePosition.isBefore(t.targetPosition)&&(n=n._getTransformedByDeletion(t.deletionPosition,1))):n=this.isEqual(t.deletionPosition)?Vo._createAt(t.deletionPosition):this._getTransformedByMove(t.deletionPosition,t.graveyardPosition,1),n}_getTransformedByDeletion(t,e){const n=Vo._createAt(this);if(this.root!=t.root)return n;if("same"==Oe(t.getParentPath(),this.getParentPath())){if(t.offset<this.offset){if(t.offset+e>this.offset)return null;n.offset-=e}}else if("prefix"==Oe(t.getParentPath(),this.getParentPath())){const i=t.path.length-1;if(t.offset<=this.path[i]){if(t.offset+e>this.path[i])return null;n.path[i]-=e}}return n}_getTransformedByInsertion(t,e){const n=Vo._createAt(this);if(this.root!=t.root)return n;if("same"==Oe(t.getParentPath(),this.getParentPath()))(t.offset<this.offset||t.offset==this.offset&&"toPrevious"!=this.stickiness)&&(n.offset+=e);else if("prefix"==Oe(t.getParentPath(),this.getParentPath())){const i=t.path.length-1;t.offset<=this.path[i]&&(n.path[i]+=e)}return n}_getTransformedByMove(t,e,n){if(e=e._getTransformedByDeletion(t,n),t.isEqual(e))return Vo._createAt(this);const i=this._getTransformedByDeletion(t,n);return null===i||t.isEqual(this)&&"toNext"==this.stickiness||t.getShiftedBy(n).isEqual(this)&&"toPrevious"==this.stickiness?this._getCombined(t,e):i._getTransformedByInsertion(e,n)}_getCombined(t,e){const n=t.path.length-1,i=Vo._createAt(e);return i.stickiness=this.stickiness,i.offset=i.offset+this.path[n]-t.offset,i.path=i.path.concat(this.path.slice(n+1)),i}toJSON(){return{root:this.root.toJSON(),path:Array.from(this.path),stickiness:this.stickiness}}clone(){return new this.constructor(this.root,this.path,this.stickiness)}static _createAt(t,e,n="toNone"){if(t instanceof Vo)return new Vo(t.root,t.path,t.stickiness);{const i=t;if("end"==e)e=i.maxOffset;else{if("before"==e)return this._createBefore(i,n);if("after"==e)return this._createAfter(i,n);if(0!==e&&!e)throw new be.b("model-createPositionAt-offset-required: Model#createPositionAt() requires the offset when the first parameter is a model item.",[this,t])}if(!i.is("element")&&!i.is("documentFragment"))throw new be.b("model-position-parent-incorrect: Position parent have to be a element or document fragment.",[this,t]);const o=i.getPath();return o.push(e),new this(i.root,o,n)}}static _createAfter(t,e){if(!t.parent)throw new be.b("model-position-after-root: You cannot make a position after root.",[this,t],{root:t});return this._createAt(t.parent,t.endOffset,e)}static _createBefore(t,e){if(!t.parent)throw new be.b("model-position-before-root: You cannot make a position before root.",t,{root:t});return this._createAt(t.parent,t.startOffset,e)}static fromJSON(t,e){if("$graveyard"===t.root){const n=new Vo(e.graveyard,t.path);return n.stickiness=t.stickiness,n}if(!e.getRoot(t.root))throw new be.b("model-position-fromjson-no-root: Cannot create position for document. Root with specified name does not exist.",e,{rootName:t.root});return new Vo(e.getRoot(t.root),t.path,t.stickiness)}}class zo{constructor(t,e=null){this.start=Vo._createAt(t),this.end=e?Vo._createAt(e):Vo._createAt(t),this.start.stickiness=this.isCollapsed?"toNone":"toNext",this.end.stickiness=this.isCollapsed?"toNone":"toPrevious"}*[Symbol.iterator](){yield*new jo({boundaries:this,ignoreElementEnd:!0})}get isCollapsed(){return this.start.isEqual(this.end)}get isFlat(){return"same"==Oe(this.start.getParentPath(),this.end.getParentPath())}get root(){return this.start.root}containsPosition(t){return t.isAfter(this.start)&&t.isBefore(this.end)}containsRange(t,e=!1){t.isCollapsed&&(e=!1);const n=this.containsPosition(t.start)||e&&this.start.isEqual(t.start),i=this.containsPosition(t.end)||e&&this.end.isEqual(t.end);return n&&i}containsItem(t){const e=Vo._createBefore(t);return this.containsPosition(e)||this.start.isEqual(e)}is(t){return"range"==t||"model:range"==t}isEqual(t){return this.start.isEqual(t.start)&&this.end.isEqual(t.end)}isIntersecting(t){return this.start.isBefore(t.end)&&this.end.isAfter(t.start)}getDifference(t){const e=[];return this.isIntersecting(t)?(this.containsPosition(t.start)&&e.push(new zo(this.start,t.start)),this.containsPosition(t.end)&&e.push(new zo(t.end,this.end))):e.push(new zo(this.start,this.end)),e}getIntersection(t){if(this.isIntersecting(t)){let e=this.start,n=this.end;return this.containsPosition(t.start)&&(e=t.start),this.containsPosition(t.end)&&(n=t.end),new zo(e,n)}return null}getMinimalFlatRanges(){const t=[],e=this.start.getCommonPath(this.end).length,n=Vo._createAt(this.start);let i=n.parent;for(;n.path.length>e+1;){const e=i.maxOffset-n.offset;0!==e&&t.push(new zo(n,n.getShiftedBy(e))),n.path=n.path.slice(0,-1),n.offset++,i=i.parent}for(;n.path.length<=this.end.path.length;){const e=this.end.path[n.path.length-1],i=e-n.offset;0!==i&&t.push(new zo(n,n.getShiftedBy(i))),n.offset=e,n.path.push(0)}return t}getWalker(t={}){return t.boundaries=this,new jo(t)}*getItems(t={}){t.boundaries=this,t.ignoreElementEnd=!0;const e=new jo(t);for(const t of e)yield t.item}*getPositions(t={}){t.boundaries=this;const e=new jo(t);yield e.position;for(const t of e)yield t.nextPosition}getTransformedByOperation(t){switch(t.type){case"insert":return this._getTransformedByInsertOperation(t);case"move":case"remove":case"reinsert":return this._getTransformedByMoveOperation(t);case"split":return[this._getTransformedBySplitOperation(t)];case"merge":return[this._getTransformedByMergeOperation(t)]}return[new zo(this.start,this.end)]}getTransformedByOperations(t){const e=[new zo(this.start,this.end)];for(const n of t)for(let t=0;t<e.length;t++){const i=e[t].getTransformedByOperation(n);e.splice(t,1,...i),t+=i.length-1}for(let t=0;t<e.length;t++){const n=e[t];for(let i=t+1;i<e.length;i++){const t=e[i];(n.containsRange(t)||t.containsRange(n)||n.isEqual(t))&&e.splice(i,1)}}return e}getCommonAncestor(){return this.start.getCommonAncestor(this.end)}toJSON(){return{start:this.start.toJSON(),end:this.end.toJSON()}}clone(){return new this.constructor(this.start,this.end)}_getTransformedByInsertOperation(t,e=!1){return this._getTransformedByInsertion(t.position,t.howMany,e)}_getTransformedByMoveOperation(t,e=!1){const n=t.sourcePosition,i=t.howMany,o=t.targetPosition;return this._getTransformedByMove(n,o,i,e)}_getTransformedBySplitOperation(t){const e=this.start._getTransformedBySplitOperation(t);let n=this.end._getTransformedBySplitOperation(t);return this.end.isEqual(t.insertionPosition)&&(n=this.end.getShiftedBy(1)),e.root!=n.root&&(n=this.end.getShiftedBy(-1)),new zo(e,n)}_getTransformedByMergeOperation(t){if(this.start.isEqual(t.targetPosition)&&this.end.isEqual(t.deletionPosition))return new zo(this.start);let e=this.start._getTransformedByMergeOperation(t),n=this.end._getTransformedByMergeOperation(t);return e.root!=n.root&&(n=this.end.getShiftedBy(-1)),e.isAfter(n)?(t.sourcePosition.isBefore(t.targetPosition)?(e=Vo._createAt(n)).offset=0:(t.deletionPosition.isEqual(e)||(n=t.deletionPosition),e=t.targetPosition),new zo(e,n)):new zo(e,n)}_getTransformedByInsertion(t,e,n=!1){if(n&&this.containsPosition(t))return[new zo(this.start,t),new zo(t.getShiftedBy(e),this.end._getTransformedByInsertion(t,e))];{const n=new zo(this.start,this.end);return n.start=n.start._getTransformedByInsertion(t,e),n.end=n.end._getTransformedByInsertion(t,e),[n]}}_getTransformedByMove(t,e,n,i=!1){if(this.isCollapsed){const i=this.start._getTransformedByMove(t,e,n);return[new zo(i)]}const o=zo._createFromPositionAndShift(t,n),r=e._getTransformedByDeletion(t,n);if(this.containsPosition(e)&&!i&&(o.containsPosition(this.start)||o.containsPosition(this.end))){const i=this.start._getTransformedByMove(t,e,n),o=this.end._getTransformedByMove(t,e,n);return[new zo(i,o)]}let s;const a=this.getDifference(o);let c=null;const l=this.getIntersection(o);if(1==a.length?c=new zo(a[0].start._getTransformedByDeletion(t,n),a[0].end._getTransformedByDeletion(t,n)):2==a.length&&(c=new zo(this.start,this.end._getTransformedByDeletion(t,n))),s=c?c._getTransformedByInsertion(r,n,null!==l||i):[],l){const t=new zo(l.start._getCombined(o.start,r),l.end._getCombined(o.start,r));2==s.length?s.splice(1,0,t):s.push(t)}return s}_getTransformedByDeletion(t,e){let n=this.start._getTransformedByDeletion(t,e),i=this.end._getTransformedByDeletion(t,e);return null==n&&null==i?null:(null==n&&(n=t),null==i&&(i=t),new zo(n,i))}static _createFromPositionAndShift(t,e){const n=t,i=t.getShiftedBy(e);return e>0?new this(n,i):new this(i,n)}static _createIn(t){return new this(Vo._createAt(t,0),Vo._createAt(t,t.maxOffset))}static _createOn(t){return this._createFromPositionAndShift(Vo._createBefore(t),t.offsetSize)}static _createFromRanges(t){if(0===t.length)throw new be.b("range-create-from-ranges-empty-array: At least one range has to be passed.",null);if(1==t.length)return t[0].clone();const e=t[0];t.sort((t,e)=>t.start.isAfter(e.start)?1:-1);const n=t.indexOf(e),i=new this(e.start,e.end);if(n>0)for(let e=n-1;t[e].end.isEqual(i.start);e++)i.start=Vo._createAt(t[e].start);for(let e=n+1;e<t.length&&t[e].start.isEqual(i.end);e++)i.end=Vo._createAt(t[e].end);return i}static fromJSON(t,e){return new this(Vo.fromJSON(t.start,e),Vo.fromJSON(t.end,e))}}class Fo{constructor(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._viewToModelLengthCallbacks=new Map,this._markerNameToElements=new Map,this._elementToMarkerNames=new Map,this._unboundMarkerNames=new Set,this.on("modelToViewPosition",(t,e)=>{if(e.viewPosition)return;const n=this._modelToViewMapping.get(e.modelPosition.parent);e.viewPosition=this._findPositionIn(n,e.modelPosition.offset)},{priority:"low"}),this.on("viewToModelPosition",(t,e)=>{if(e.modelPosition)return;const n=this.findMappedViewAncestor(e.viewPosition),i=this._viewToModelMapping.get(n),o=this._toModelOffset(e.viewPosition.parent,e.viewPosition.offset,n);e.modelPosition=Vo._createAt(i,o)},{priority:"low"})}bindElements(t,e){this._modelToViewMapping.set(t,e),this._viewToModelMapping.set(e,t)}unbindViewElement(t){const e=this.toModelElement(t);if(this._viewToModelMapping.delete(t),this._elementToMarkerNames.has(t))for(const e of this._elementToMarkerNames.get(t))this._unboundMarkerNames.add(e);this._modelToViewMapping.get(e)==t&&this._modelToViewMapping.delete(e)}unbindModelElement(t){const e=this.toViewElement(t);this._modelToViewMapping.delete(t),this._viewToModelMapping.get(e)==t&&this._viewToModelMapping.delete(e)}bindElementToMarker(t,e){const n=this._markerNameToElements.get(e)||new Set;n.add(t);const i=this._elementToMarkerNames.get(t)||new Set;i.add(e),this._markerNameToElements.set(e,n),this._elementToMarkerNames.set(t,i)}unbindElementFromMarkerName(t,e){const n=this._markerNameToElements.get(e);n&&(n.delete(t),0==n.size&&this._markerNameToElements.delete(e));const i=this._elementToMarkerNames.get(t);i&&(i.delete(e),0==i.size&&this._elementToMarkerNames.delete(t))}flushUnboundMarkerNames(){const t=Array.from(this._unboundMarkerNames);return this._unboundMarkerNames.clear(),t}clearBindings(){this._modelToViewMapping=new WeakMap,this._viewToModelMapping=new WeakMap,this._markerNameToElements=new Map,this._elementToMarkerNames=new Map,this._unboundMarkerNames=new Set}toModelElement(t){return this._viewToModelMapping.get(t)}toViewElement(t){return this._modelToViewMapping.get(t)}toModelRange(t){return new zo(this.toModelPosition(t.start),this.toModelPosition(t.end))}toViewRange(t){return new mn(this.toViewPosition(t.start),this.toViewPosition(t.end))}toModelPosition(t){const e={viewPosition:t,mapper:this};return this.fire("viewToModelPosition",e),e.modelPosition}toViewPosition(t,e={isPhantom:!1}){const n={modelPosition:t,mapper:this,isPhantom:e.isPhantom};return this.fire("modelToViewPosition",n),n.viewPosition}markerNameToElements(t){const e=this._markerNameToElements.get(t);if(!e)return null;const n=new Set;for(const t of e)if(t.is("attributeElement"))for(const e of t.getElementsWithSameId())n.add(e);else n.add(t);return n}registerViewToModelLength(t,e){this._viewToModelLengthCallbacks.set(t,e)}findMappedViewAncestor(t){let e=t.parent;for(;!this._viewToModelMapping.has(e);)e=e.parent;return e}_toModelOffset(t,e,n){if(n!=t)return this._toModelOffset(t.parent,t.index,n)+this._toModelOffset(t,e,t);if(t.is("text"))return e;let i=0;for(let n=0;n<e;n++)i+=this.getModelLength(t.getChild(n));return i}getModelLength(t){if(this._viewToModelLengthCallbacks.get(t.name))return this._viewToModelLengthCallbacks.get(t.name)(t);if(this._viewToModelMapping.has(t))return 1;if(t.is("text"))return t.data.length;if(t.is("uiElement"))return 0;{let e=0;for(const n of t.getChildren())e+=this.getModelLength(n);return e}}_findPositionIn(t,e){let n,i=0,o=0,r=0;if(t.is("text"))return new gn(t,e);for(;o<e;)n=t.getChild(r),o+=i=this.getModelLength(n),r++;return o==e?this._moveViewPositionToTextNode(new gn(t,r)):this._findPositionIn(n,e-(o-i))}_moveViewPositionToTextNode(t){const e=t.nodeBefore,n=t.nodeAfter;return e instanceof je?new gn(e,e.data.length):n instanceof je?new gn(n,0):t}}Ie(Fo,Ae);class Bo{constructor(){this._consumable=new Map,this._textProxyRegistry=new Map}add(t,e){e=Uo(e),t instanceof Oo&&(t=this._getSymbolForTextProxy(t)),this._consumable.has(t)||this._consumable.set(t,new Map),this._consumable.get(t).set(e,!0)}consume(t,e){return e=Uo(e),t instanceof Oo&&(t=this._getSymbolForTextProxy(t)),!!this.test(t,e)&&(this._consumable.get(t).set(e,!1),!0)}test(t,e){e=Uo(e),t instanceof Oo&&(t=this._getSymbolForTextProxy(t));const n=this._consumable.get(t);if(void 0===n)return null;const i=n.get(e);return void 0===i?null:i}revert(t,e){e=Uo(e),t instanceof Oo&&(t=this._getSymbolForTextProxy(t));const n=this.test(t,e);return!1===n?(this._consumable.get(t).set(e,!0),!0):!0!==n&&null}_getSymbolForTextProxy(t){let e=null;const n=this._textProxyRegistry.get(t.startOffset);if(n){const i=n.get(t.endOffset);i&&(e=i.get(t.parent))}return e||(e=this._addSymbolForTextProxy(t.startOffset,t.endOffset,t.parent)),e}_addSymbolForTextProxy(t,e,n){const i=Symbol("textProxySymbol");let o,r;return(o=this._textProxyRegistry.get(t))||(o=new Map,this._textProxyRegistry.set(t,o)),(r=o.get(e))||(r=new Map,o.set(e,r)),r.set(n,i),i}}function Uo(t){const e=t.split(":");return e.length>1?e[0]+":"+e[1]:e[0]}class $o{constructor(t){this.conversionApi=Ze({dispatcher:this},t)}convertChanges(t,e,n){for(const e of t.getMarkersToRemove())this.convertMarkerRemove(e.name,e.range,n);for(const e of t.getChanges())"insert"==e.type?this.convertInsert(zo._createFromPositionAndShift(e.position,e.length),n):"remove"==e.type?this.convertRemove(e.position,e.length,e.name,n):this.convertAttribute(e.range,e.attributeKey,e.attributeOldValue,e.attributeNewValue,n);for(const t of this.conversionApi.mapper.flushUnboundMarkerNames()){const i=e.get(t).getRange();this.convertMarkerRemove(t,i,n),this.convertMarkerAdd(t,i,n)}for(const e of t.getMarkersToAdd())this.convertMarkerAdd(e.name,e.range,n)}convertInsert(t,e){this.conversionApi.writer=e,this.conversionApi.consumable=this._createInsertConsumable(t);for(const e of t){const t=e.item,n={item:t,range:zo._createFromPositionAndShift(e.previousPosition,e.length)};this._testAndFire("insert",n);for(const e of t.getAttributeKeys())n.attributeKey=e,n.attributeOldValue=null,n.attributeNewValue=t.getAttribute(e),this._testAndFire(`attribute:${e}`,n)}this._clearConversionApi()}convertRemove(t,e,n,i){this.conversionApi.writer=i,this.fire("remove:"+n,{position:t,length:e},this.conversionApi),this._clearConversionApi()}convertAttribute(t,e,n,i,o){this.conversionApi.writer=o,this.conversionApi.consumable=this._createConsumableForRange(t,`attribute:${e}`);for(const o of t){const t={item:o.item,range:zo._createFromPositionAndShift(o.previousPosition,o.length),attributeKey:e,attributeOldValue:n,attributeNewValue:i};this._testAndFire(`attribute:${e}`,t)}this._clearConversionApi()}convertSelection(t,e,n){const i=Array.from(e.getMarkersAtPosition(t.getFirstPosition()));if(this.conversionApi.writer=n,this.conversionApi.consumable=this._createSelectionConsumable(t,i),this.fire("selection",{selection:t},this.conversionApi),t.isCollapsed){for(const e of i){const n=e.getRange();if(!qo(t.getFirstPosition(),e,this.conversionApi.mapper))continue;const i={item:t,markerName:e.name,markerRange:n};this.conversionApi.consumable.test(t,"addMarker:"+e.name)&&this.fire("addMarker:"+e.name,i,this.conversionApi)}for(const e of t.getAttributeKeys()){const n={item:t,range:t.getFirstRange(),attributeKey:e,attributeOldValue:null,attributeNewValue:t.getAttribute(e)};this.conversionApi.consumable.test(t,"attribute:"+n.attributeKey)&&this.fire("attribute:"+n.attributeKey+":$text",n,this.conversionApi)}this._clearConversionApi()}}convertMarkerAdd(t,e,n){if(!e.root.document||"$graveyard"==e.root.rootName)return;this.conversionApi.writer=n;const i="addMarker:"+t,o=new Bo;if(o.add(e,i),this.conversionApi.consumable=o,this.fire(i,{markerName:t,markerRange:e},this.conversionApi),o.test(e,i)){this.conversionApi.consumable=this._createConsumableForRange(e,i);for(const n of e.getItems()){if(!this.conversionApi.consumable.test(n,i))continue;const o={item:n,range:zo._createOn(n),markerName:t,markerRange:e};this.fire(i,o,this.conversionApi)}this._clearConversionApi()}}convertMarkerRemove(t,e,n){e.root.document&&"$graveyard"!=e.root.rootName&&(this.conversionApi.writer=n,this.fire("removeMarker:"+t,{markerName:t,markerRange:e},this.conversionApi),this._clearConversionApi())}_createInsertConsumable(t){const e=new Bo;for(const n of t){const t=n.item;e.add(t,"insert");for(const n of t.getAttributeKeys())e.add(t,"attribute:"+n)}return e}_createConsumableForRange(t,e){const n=new Bo;for(const i of t.getItems())n.add(i,e);return n}_createSelectionConsumable(t,e){const n=new Bo;n.add(t,"selection");for(const i of e)n.add(t,"addMarker:"+i.name);for(const e of t.getAttributeKeys())n.add(t,"attribute:"+e);return n}_testAndFire(t,e){if(!this.conversionApi.consumable.test(e.item,t))return;const n=e.item.name||"$text";this.fire(t+":"+n,e,this.conversionApi)}_clearConversionApi(){delete this.conversionApi.writer,delete this.conversionApi.consumable}}function qo(t,e,n){const i=e.getRange(),o=Array.from(t.getAncestors());return o.shift(),o.reverse(),!o.some(t=>{if(i.containsItem(t))return!!n.toViewElement(t).getCustomProperty("addHighlight")})}Ie($o,Ae);class Ho{constructor(t,e,n){this._lastRangeBackward=!1,this._ranges=[],this._attrs=new Map,t&&this.setTo(t,e,n)}get anchor(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.end:t.start}return null}get focus(){if(this._ranges.length>0){const t=this._ranges[this._ranges.length-1];return this._lastRangeBackward?t.start:t.end}return null}get isCollapsed(){return 1===this._ranges.length&&this._ranges[0].isCollapsed}get rangeCount(){return this._ranges.length}get isBackward(){return!this.isCollapsed&&this._lastRangeBackward}isEqual(t){if(this.rangeCount!=t.rangeCount)return!1;if(0===this.rangeCount)return!0;if(!this.anchor.isEqual(t.anchor)||!this.focus.isEqual(t.focus))return!1;for(const e of this._ranges){let n=!1;for(const i of t._ranges)if(e.isEqual(i)){n=!0;break}if(!n)return!1}return!0}*getRanges(){for(const t of this._ranges)yield new zo(t.start,t.end)}getFirstRange(){let t=null;for(const e of this._ranges)t&&!e.start.isBefore(t.start)||(t=e);return t?new zo(t.start,t.end):null}getLastRange(){let t=null;for(const e of this._ranges)t&&!e.end.isAfter(t.end)||(t=e);return t?new zo(t.start,t.end):null}getFirstPosition(){const t=this.getFirstRange();return t?t.start.clone():null}getLastPosition(){const t=this.getLastRange();return t?t.end.clone():null}setTo(t,e,n){if(null===t)this._setRanges([]);else if(t instanceof Ho)this._setRanges(t.getRanges(),t.isBackward);else if(t&&"function"==typeof t.getRanges)this._setRanges(t.getRanges(),t.isBackward);else if(t instanceof zo)this._setRanges([t],!!e&&!!e.backward);else if(t instanceof Vo)this._setRanges([new zo(t)]);else if(t instanceof Mo){const i=!!n&&!!n.backward;let o;if("in"==e)o=zo._createIn(t);else if("on"==e)o=zo._createOn(t);else{if(void 0===e)throw new be.b("model-selection-setTo-required-second-parameter: selection.setTo requires the second parameter when the first parameter is a node.",[this,t]);o=new zo(Vo._createAt(t,e))}this._setRanges([o],i)}else{if(!Ve(t))throw new be.b("model-selection-setTo-not-selectable: Cannot set the selection to the given place.",[this,t]);this._setRanges(t,e&&!!e.backward)}}_setRanges(t,e=!1){const n=(t=Array.from(t)).some(e=>{if(!(e instanceof zo))throw new be.b("model-selection-set-ranges-not-range: Selection range set to an object that is not an instance of model.Range.",[this,t]);return this._ranges.every(t=>!t.isEqual(e))});if(t.length!==this._ranges.length||n){this._removeAllRanges();for(const e of t)this._pushRange(e);this._lastRangeBackward=!!e,this.fire("change:range",{directChange:!0})}}setFocus(t,e){if(null===this.anchor)throw new be.b("model-selection-setFocus-no-ranges: Cannot set selection focus if there are no ranges in selection.",[this,t]);const n=Vo._createAt(t,e);if("same"==n.compareWith(this.focus))return;const i=this.anchor;this._ranges.length&&this._popRange(),"before"==n.compareWith(i)?(this._pushRange(new zo(n,i)),this._lastRangeBackward=!0):(this._pushRange(new zo(i,n)),this._lastRangeBackward=!1),this.fire("change:range",{directChange:!0})}getAttribute(t){return this._attrs.get(t)}getAttributes(){return this._attrs.entries()}getAttributeKeys(){return this._attrs.keys()}hasAttribute(t){return this._attrs.has(t)}removeAttribute(t){this.hasAttribute(t)&&(this._attrs.delete(t),this.fire("change:attribute",{attributeKeys:[t],directChange:!0}))}setAttribute(t,e){this.getAttribute(t)!==e&&(this._attrs.set(t,e),this.fire("change:attribute",{attributeKeys:[t],directChange:!0}))}getSelectedElement(){if(1!==this.rangeCount)return null;const t=this.getFirstRange(),e=t.start.nodeAfter,n=t.end.nodeBefore;return e instanceof Ro&&e==n?e:null}is(t){return"selection"==t||"model:selection"==t}*getSelectedBlocks(){const t=new WeakSet;for(const e of this.getRanges()){const n=Yo(e.start,t);n&&(yield n);for(const n of e.getWalker())"elementEnd"==n.type&&Wo(n.item,t)&&(yield n.item);const i=Yo(e.end,t);i&&!e.end.isTouching(Vo._createAt(i,0))&&(yield i)}}*getTopMostBlocks(){const t=Array.from(this.getSelectedBlocks());for(const e of t){const n=Go(e);n&&t.includes(n)||(yield e)}}containsEntireContent(t=this.anchor.root){const e=Vo._createAt(t,0),n=Vo._createAt(t,"end");return e.isTouching(this.getFirstPosition())&&n.isTouching(this.getLastPosition())}_pushRange(t){this._checkRange(t),this._ranges.push(new zo(t.start,t.end))}_checkRange(t){for(let e=0;e<this._ranges.length;e++)if(t.isIntersecting(this._ranges[e]))throw new be.b("model-selection-range-intersects: Trying to add a range that intersects with another range in the selection.",[this,t],{addedRange:t,intersectingRange:this._ranges[e]})}_removeAllRanges(){for(;this._ranges.length>0;)this._popRange()}_popRange(){this._ranges.pop()}}function Wo(t,e){return!e.has(t)&&(e.add(t),t.document.model.schema.isBlock(t)&&t.parent)}function Yo(t,e){const n=t.parent.document.model.schema,i=t.parent.getAncestors({parentFirst:!0,includeSelf:!0});let o=!1;const r=i.find(t=>!o&&!(o=n.isLimit(t))&&Wo(t,e));return i.forEach(t=>e.add(t)),r}function Go(t){const e=t.document.model.schema;let n=t.parent;for(;n;){if(e.isBlock(n))return n;n=n.parent}}Ie(Ho,Ae);class Qo extends zo{constructor(t,e){super(t,e),function(){this.listenTo(this.root.document.model,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&function(t){const e=this.getTransformedByOperation(t),n=zo._createFromRanges(e),i=!n.isEqual(this),o=function(t,e){switch(e.type){case"insert":return t.containsPosition(e.position);case"move":case"remove":case"reinsert":case"merge":return t.containsPosition(e.sourcePosition)||t.start.isEqual(e.sourcePosition)||t.containsPosition(e.targetPosition);case"split":return t.containsPosition(e.splitPosition)||t.containsPosition(e.insertionPosition)}return!1}(this,t);let r=null;if(i){"$graveyard"==n.root.rootName&&(r="remove"==t.type?t.sourcePosition:t.deletionPosition);const e=this.toRange();this.start=n.start,this.end=n.end,this.fire("change:range",e,{deletionPosition:r})}else o&&this.fire("change:content",this.toRange(),{deletionPosition:r})}.call(this,n)},{priority:"low"})}.call(this)}detach(){this.stopListening()}is(t){return"liveRange"==t||"model:liveRange"==t||super.is(t)}toRange(){return new zo(this.start,this.end)}static fromRange(t){return new Qo(t.start,t.end)}}Ie(Qo,Ae);const Ko="selection:";class Jo{constructor(t){this._selection=new Zo(t),this._selection.delegate("change:range").to(this),this._selection.delegate("change:attribute").to(this)}get isCollapsed(){return this._selection.isCollapsed}get anchor(){return this._selection.anchor}get focus(){return this._selection.focus}get rangeCount(){return this._selection.rangeCount}get hasOwnRange(){return this._selection.hasOwnRange}get isBackward(){return this._selection.isBackward}get isGravityOverridden(){return this._selection.isGravityOverridden}get markers(){return this._selection.markers}get _ranges(){return this._selection._ranges}getRanges(){return this._selection.getRanges()}getFirstPosition(){return this._selection.getFirstPosition()}getLastPosition(){return this._selection.getLastPosition()}getFirstRange(){return this._selection.getFirstRange()}getLastRange(){return this._selection.getLastRange()}getSelectedBlocks(){return this._selection.getSelectedBlocks()}getTopMostBlocks(){return this._selection.getTopMostBlocks()}getSelectedElement(){return this._selection.getSelectedElement()}containsEntireContent(t){return this._selection.containsEntireContent(t)}destroy(){this._selection.destroy()}getAttributeKeys(){return this._selection.getAttributeKeys()}getAttributes(){return this._selection.getAttributes()}getAttribute(t){return this._selection.getAttribute(t)}hasAttribute(t){return this._selection.hasAttribute(t)}refresh(){this._selection._updateMarkers(),this._selection._updateAttributes(!1)}is(t){return"selection"==t||"model:selection"==t||"documentSelection"==t||"model:documentSelection"==t}_setFocus(t,e){this._selection.setFocus(t,e)}_setTo(t,e,n){this._selection.setTo(t,e,n)}_setAttribute(t,e){this._selection.setAttribute(t,e)}_removeAttribute(t){this._selection.removeAttribute(t)}_getStoredAttributes(){return this._selection._getStoredAttributes()}_overrideGravity(){return this._selection.overrideGravity()}_restoreGravity(t){this._selection.restoreGravity(t)}static _getStoreAttributeKey(t){return Ko+t}static _isStoreAttributeKey(t){return t.startsWith(Ko)}}Ie(Jo,Ae);class Zo extends Ho{constructor(t){super(),this.markers=new kn({idProperty:"name"}),this._model=t.model,this._document=t,this._attributePriority=new Map,this._fixGraveyardRangesData=[],this._hasChangedRange=!1,this._overriddenGravityRegister=new Set,this.listenTo(this._model,"applyOperation",(t,e)=>{const n=e[0];if(n.isDocumentOperation&&"marker"!=n.type&&"rename"!=n.type&&"noop"!=n.type){for(;this._fixGraveyardRangesData.length;){const{liveRange:t,sourcePosition:e}=this._fixGraveyardRangesData.shift();this._fixGraveyardSelection(t,e)}this._hasChangedRange&&(this._hasChangedRange=!1,this.fire("change:range",{directChange:!1}))}},{priority:"lowest"}),this.on("change:range",()=>{for(const t of this.getRanges())if(!this._document._validateSelectionRange(t))throw new be.b("document-selection-wrong-position: Range from document selection starts or ends at incorrect position.",this,{range:t})}),this.listenTo(this._model.markers,"update",()=>this._updateMarkers()),this.listenTo(this._document,"change",(t,e)=>{!function(t,e){const n=t.document.differ;for(const i of n.getChanges()){if("insert"!=i.type)continue;const n=i.position.parent;i.length===n.maxOffset&&t.enqueueChange(e,t=>{const e=Array.from(n.getAttributeKeys()).filter(t=>t.startsWith(Ko));for(const i of e)t.removeAttribute(i,n)})}}(this._model,e)})}get isCollapsed(){return 0===this._ranges.length?this._document._getDefaultRange().isCollapsed:super.isCollapsed}get anchor(){return super.anchor||this._document._getDefaultRange().start}get focus(){return super.focus||this._document._getDefaultRange().end}get rangeCount(){return this._ranges.length?this._ranges.length:1}get hasOwnRange(){return this._ranges.length>0}get isGravityOverridden(){return!!this._overriddenGravityRegister.size}destroy(){for(let t=0;t<this._ranges.length;t++)this._ranges[t].detach();this.stopListening()}*getRanges(){this._ranges.length?yield*super.getRanges():yield this._document._getDefaultRange()}getFirstRange(){return super.getFirstRange()||this._document._getDefaultRange()}getLastRange(){return super.getLastRange()||this._document._getDefaultRange()}setTo(t,e,n){super.setTo(t,e,n),this._updateAttributes(!0)}setFocus(t,e){super.setFocus(t,e),this._updateAttributes(!0)}setAttribute(t,e){if(this._setAttribute(t,e)){const e=[t];this.fire("change:attribute",{attributeKeys:e,directChange:!0})}}removeAttribute(t){if(this._removeAttribute(t)){const e=[t];this.fire("change:attribute",{attributeKeys:e,directChange:!0})}}overrideGravity(){const t=ve();return this._overriddenGravityRegister.add(t),1===this._overriddenGravityRegister.size&&this._updateAttributes(!0),t}restoreGravity(t){if(!this._overriddenGravityRegister.has(t))throw new be.b("document-selection-gravity-wrong-restore: Attempting to restore the selection gravity for an unknown UID.",this,{uid:t});this._overriddenGravityRegister.delete(t),this.isGravityOverridden||this._updateAttributes(!0)}_popRange(){this._ranges.pop().detach()}_pushRange(t){const e=this._prepareRange(t);e&&this._ranges.push(e)}_prepareRange(t){if(this._checkRange(t),t.root==this._document.graveyard)return;const e=Qo.fromRange(t);return e.on("change:range",(t,n,i)=>{this._hasChangedRange=!0,e.root==this._document.graveyard&&this._fixGraveyardRangesData.push({liveRange:e,sourcePosition:i.deletionPosition})}),e}_updateMarkers(){const t=[];for(const e of this._model.markers){const n=e.getRange();for(const i of this.getRanges())n.containsRange(i,!i.isCollapsed)&&t.push(e)}for(const e of t)this.markers.has(e)||this.markers.add(e);for(const e of Array.from(this.markers))t.includes(e)||this.markers.remove(e)}_updateAttributes(t){const e=Eo(this._getSurroundingAttributes()),n=Eo(this.getAttributes());if(t)this._attributePriority=new Map,this._attrs=new Map;else for(const[t,e]of this._attributePriority)"low"==e&&(this._attrs.delete(t),this._attributePriority.delete(t));this._setAttributesTo(e);const i=[];for(const[t,e]of this.getAttributes())n.has(t)&&n.get(t)===e||i.push(t);for(const[t]of n)this.hasAttribute(t)||i.push(t);i.length>0&&this.fire("change:attribute",{attributeKeys:i,directChange:!1})}_setAttribute(t,e,n=!0){const i=n?"normal":"low";return("low"!=i||"normal"!=this._attributePriority.get(t))&&super.getAttribute(t)!==e&&(this._attrs.set(t,e),this._attributePriority.set(t,i),!0)}_removeAttribute(t,e=!0){const n=e?"normal":"low";return!("low"==n&&"normal"==this._attributePriority.get(t)||(this._attributePriority.set(t,n),!super.hasAttribute(t)||(this._attrs.delete(t),0)))}_setAttributesTo(t){const e=new Set;for(const[e,n]of this.getAttributes())t.get(e)!==n&&this._removeAttribute(e,!1);for(const[n,i]of t)this._setAttribute(n,i,!1)&&e.add(n);return e}*_getStoredAttributes(){const t=this.getFirstPosition().parent;if(this.isCollapsed&&t.isEmpty)for(const e of t.getAttributeKeys())e.startsWith(Ko)&&(yield[e.substr(Ko.length),t.getAttribute(e)])}_getSurroundingAttributes(){const t=this.getFirstPosition(),e=this._model.schema;let n=null;if(this.isCollapsed){const e=t.textNode?t.textNode:t.nodeBefore,i=t.textNode?t.textNode:t.nodeAfter;if(this.isGravityOverridden||(n=Xo(e)),n||(n=Xo(i)),!this.isGravityOverridden&&!n){let t=e;for(;t&&!n;)n=Xo(t=t.previousSibling)}if(!n){let t=i;for(;t&&!n;)n=Xo(t=t.nextSibling)}n||(n=this._getStoredAttributes())}else{const t=this.getFirstRange();for(const i of t){if(i.item.is("element")&&e.isObject(i.item))break;if("text"==i.type){n=i.item.getAttributes();break}}}return n}_fixGraveyardSelection(t,e){const n=e.clone(),i=this._model.schema.getNearestSelectionRange(n),o=this._ranges.indexOf(t);if(this._ranges.splice(o,1),t.detach(),i){const t=this._prepareRange(i);this._ranges.splice(o,0,t)}}}function Xo(t){return t instanceof Oo||t instanceof Io?t.getAttributes():null}class tr{constructor(t){this._dispatchers=t}add(t){for(const e of this._dispatchers)t(e);return this}}var er=function(t){return he(t,5)};class nr extends tr{elementToElement(t){return this.add(function(t){return(t=er(t)).view=or(t.view,"container"),e=>{e.on("insert:"+t.model,function(t){return(e,n,i)=>{const o=t(n.item,i.writer);if(!o)return;if(!i.consumable.consume(n.item,"insert"))return;const r=i.mapper.toViewPosition(n.range.start);i.mapper.bindElements(n.item,o),i.writer.insert(r,o)}}(t.view),{priority:t.converterPriority||"normal"})}}(t))}attributeToElement(t){return this.add(function(t){let e="attribute:"+((t=er(t)).model.key?t.model.key:t.model);if(t.model.name&&(e+=":"+t.model.name),t.model.values)for(const e of t.model.values)t.view[e]=or(t.view[e],"attribute");else t.view=or(t.view,"attribute");const n=rr(t);return i=>{i.on(e,function(t){return(e,n,i)=>{const o=t(n.attributeOldValue,i.writer),r=t(n.attributeNewValue,i.writer);if(!o&&!r)return;if(!i.consumable.consume(n.item,e.name))return;const s=i.writer,a=s.document.selection;if(n.item instanceof Ho||n.item instanceof Jo)s.wrap(a.getFirstRange(),r);else{let t=i.mapper.toViewRange(n.range);null!==n.attributeOldValue&&o&&(t=s.unwrap(t,o)),null!==n.attributeNewValue&&r&&s.wrap(t,r)}}}(n),{priority:t.converterPriority||"normal"})}}(t))}attributeToAttribute(t){return this.add(function(t){let e="attribute:"+((t=er(t)).model.key?t.model.key:t.model);if(t.model.name&&(e+=":"+t.model.name),t.model.values)for(const e of t.model.values)t.view[e]=sr(t.view[e]);else t.view=sr(t.view);const n=rr(t);return i=>{i.on(e,function(t){return(e,n,i)=>{const o=t(n.attributeOldValue,n),r=t(n.attributeNewValue,n);if(!o&&!r)return;if(!i.consumable.consume(n.item,e.name))return;const s=i.mapper.toViewElement(n.item),a=i.writer;if(!s)throw new be.b("conversion-attribute-to-attribute-on-text: Trying to convert text node's attribute with attribute-to-attribute converter.",[n,i]);if(null!==n.attributeOldValue&&o)if("class"==o.key){const t=Array.isArray(o.value)?o.value:[o.value];for(const e of t)a.removeClass(e,s)}else if("style"==o.key){const t=Object.keys(o.value);for(const e of t)a.removeStyle(e,s)}else a.removeAttribute(o.key,s);if(null!==n.attributeNewValue&&r)if("class"==r.key){const t=Array.isArray(r.value)?r.value:[r.value];for(const e of t)a.addClass(e,s)}else if("style"==r.key){const t=Object.keys(r.value);for(const e of t)a.setStyle(e,r.value[e],s)}else a.setAttribute(r.key,r.value,s)}}(n),{priority:t.converterPriority||"normal"})}}(t))}markerToElement(t){return this.add(function(t){return(t=er(t)).view=or(t.view,"ui"),e=>{e.on("addMarker:"+t.model,function(t){return(e,n,i)=>{n.isOpening=!0;const o=t(n,i.writer);n.isOpening=!1;const r=t(n,i.writer);if(!o||!r)return;const s=n.markerRange;if(s.isCollapsed&&!i.consumable.consume(s,e.name))return;for(const t of s)if(!i.consumable.consume(t.item,e.name))return;const a=i.mapper,c=i.writer;c.insert(a.toViewPosition(s.start),o),i.mapper.bindElementToMarker(o,n.markerName),s.isCollapsed||(c.insert(a.toViewPosition(s.end),r),i.mapper.bindElementToMarker(r,n.markerName)),e.stop()}}(t.view),{priority:t.converterPriority||"normal"}),e.on("removeMarker:"+t.model,(t.view,(t,e,n)=>{const i=n.mapper.markerNameToElements(e.markerName);if(i){for(const t of i)n.mapper.unbindElementFromMarkerName(t,e.markerName),n.writer.clear(n.writer.createRangeOn(t),t);n.writer.clearClonedElementsGroup(e.markerName),t.stop()}}),{priority:t.converterPriority||"normal"})}}(t))}markerToHighlight(t){return this.add(function(t){return e=>{e.on("addMarker:"+t.model,function(t){return(e,n,i)=>{if(!n.item)return;if(!(n.item instanceof Ho||n.item instanceof Jo||n.item.is("textProxy")))return;const o=ar(t,n,i);if(!o)return;if(!i.consumable.consume(n.item,e.name))return;const r=ir(o),s=i.writer,a=s.document.selection;if(n.item instanceof Ho||n.item instanceof Jo)s.wrap(a.getFirstRange(),r,a);else{const t=i.mapper.toViewRange(n.range),e=s.wrap(t,r);for(const t of e.getItems())if(t.is("attributeElement")&&t.isSimilar(r)){i.mapper.bindElementToMarker(t,n.markerName);break}}}}(t.view),{priority:t.converterPriority||"normal"}),e.on("addMarker:"+t.model,function(t){return(e,n,i)=>{if(!n.item)return;if(!(n.item instanceof Ro))return;const o=ar(t,n,i);if(!o)return;if(!i.consumable.test(n.item,e.name))return;const r=i.mapper.toViewElement(n.item);if(r&&r.getCustomProperty("addHighlight")){i.consumable.consume(n.item,e.name);for(const t of zo._createIn(n.item))i.consumable.consume(t.item,e.name);r.getCustomProperty("addHighlight")(r,o,i.writer),i.mapper.bindElementToMarker(r,n.markerName)}}}(t.view),{priority:t.converterPriority||"normal"}),e.on("removeMarker:"+t.model,function(t){return(e,n,i)=>{if(n.markerRange.isCollapsed)return;const o=ar(t,n,i);if(!o)return;const r=ir(o),s=i.mapper.markerNameToElements(n.markerName);if(s){for(const t of s)i.mapper.unbindElementFromMarkerName(t,n.markerName),t.is("attributeElement")?i.writer.unwrap(i.writer.createRangeOn(t),r):t.getCustomProperty("removeHighlight")(t,o.id,i.writer);i.writer.clearClonedElementsGroup(n.markerName),e.stop()}}}(t.view),{priority:t.converterPriority||"normal"})}}(t))}}function ir(t){const e=new An("span",t.attributes);return t.classes&&e._addClass(t.classes),t.priority&&(e._priority=t.priority),e._id=t.id,e}function or(t,e){return"function"==typeof t?t:(n,i)=>(function(t,e,n){let i;"string"==typeof t&&(t={name:t});const o=Object.assign({},t.attributes);if("container"==n)i=e.createContainerElement(t.name,o);else if("attribute"==n){const n={priority:t.priority||An.DEFAULT_PRIORITY};i=e.createAttributeElement(t.name,o,n)}else i=e.createUIElement(t.name,o);if(t.styles){const n=Object.keys(t.styles);for(const o of n)e.setStyle(o,t.styles[o],i)}if(t.classes){const n=t.classes;if("string"==typeof n)e.addClass(n,i);else for(const t of n)e.addClass(t,i)}return i})(t,i,e)}function rr(t){return t.model.values?(e,n)=>{const i=t.view[e];return i?i(e,n):null}:t.view}function sr(t){return"string"==typeof t?e=>({key:t,value:e}):"object"==typeof t?t.value?()=>t:e=>({key:t.key,value:e}):t}function ar(t,e,n){const i="function"==typeof t?t(e,n):t;return i?(i.priority||(i.priority=10),i.id||(i.id=e.markerName),i):null}class cr extends tr{elementToElement(t){return this.add(lr(t))}elementToAttribute(t){return this.add(function(t){dr(t=er(t));const e=hr(t,!1),n=ur(t),i=n?"element:"+n:"element";return n=>{n.on(i,e,{priority:t.converterPriority||"low"})}}(t))}attributeToAttribute(t){return this.add(function(t){let e=null;("string"==typeof(t=er(t)).view||t.view.key)&&(e=function(t){"string"==typeof t.view&&(t.view={key:t.view});const e=t.view.key;let n;if("class"==e||"style"==e){n={["class"==e?"classes":"styles"]:t.view.value}}else{n={attributes:{[e]:void 0===t.view.value?/[\s\S]*/:t.view.value}}}return t.view.name&&(n.name=t.view.name),t.view=n,e}(t)),dr(t,e);const n=hr(t,!0);return e=>{e.on("element",n,{priority:t.converterPriority||"low"})}}(t))}elementToMarker(t){return this.add(function(t){return function(t){const e=t.model;t.model=((t,n)=>{const i="string"==typeof e?e:e(t);return n.createElement("$marker",{"data-name":i})})}(t=er(t)),lr(t)}(t))}}function lr(t){const e=function(t){const e=t.view?new ze(t.view):null;return(n,i,o)=>{let r={};if(e){const t=e.match(i.viewItem);if(!t)return;r=t.match}r.name=!0;const s=function(t,e,n){return t instanceof Function?t(e,n):n.createElement(t)}(t.model,i.viewItem,o.writer);if(!s)return;if(!o.consumable.test(i.viewItem,r))return;const a=o.splitToAllowedParent(s,i.modelCursor);if(!a)return;o.writer.insert(s,a.position),o.convertChildren(i.viewItem,o.writer.createPositionAt(s,0)),o.consumable.consume(i.viewItem,r);const c=o.getSplitParts(s);i.modelRange=new zo(o.writer.createPositionBefore(s),o.writer.createPositionAfter(c[c.length-1])),a.cursorParent?i.modelCursor=o.writer.createPositionAt(a.cursorParent,0):i.modelCursor=i.modelRange.end}}(t=er(t)),n=ur(t),i=n?"element:"+n:"element";return n=>{n.on(i,e,{priority:t.converterPriority||"normal"})}}function ur(t){return"string"==typeof t.view?t.view:"object"==typeof t.view&&"string"==typeof t.view.name?t.view.name:null}function dr(t,e=null){const n=null===e||(t=>t.getAttribute(e)),i="object"!=typeof t.model?t.model:t.model.key,o="object"!=typeof t.model||void 0===t.model.value?n:t.model.value;t.model={key:i,value:o}}function hr(t,e){const n=new ze(t.view);return(i,o,r)=>{const s=n.match(o.viewItem);if(!s)return;const a=t.model.key,c="function"==typeof t.model.value?t.model.value(o.viewItem):t.model.value;null!==c&&(function(t){return!("object"==typeof t.view&&!ur(t))&&(!t.view.classes&&!t.view.attributes&&!t.view.styles)}(t)?s.match.name=!0:delete s.match.name,r.consumable.test(o.viewItem,s.match)&&(o.modelRange||(o=Object.assign(o,r.convertChildren(o.viewItem,o.modelCursor))),function(t,e,n,i){let o=!1;for(const r of Array.from(t.getItems({shallow:n})))i.schema.checkAttribute(r,e.key)&&(i.writer.setAttribute(e.key,e.value,r),o=!0);return o}(o.modelRange,{key:a,value:c},e,r)&&r.consumable.consume(o.viewItem,s.match)))}}class fr{constructor(t){this.model=t,this.view=new So,this.mapper=new Fo,this.downcastDispatcher=new $o({mapper:this.mapper});const e=this.model.document,n=e.selection,i=this.model.markers;this.listenTo(this.model,"_beforeChanges",()=>{this.view._disableRendering(!0)},{priority:"highest"}),this.listenTo(this.model,"_afterChanges",()=>{this.view._disableRendering(!1)},{priority:"lowest"}),this.listenTo(e,"change",()=>{this.view.change(t=>{this.downcastDispatcher.convertChanges(e.differ,i,t),this.downcastDispatcher.convertSelection(n,i,t)})},{priority:"low"}),this.listenTo(this.view.document,"selectionChange",function(t,e){return(n,i)=>{const o=i.newSelection,r=new Ho,s=[];for(const t of o.getRanges())s.push(e.toModelRange(t));r.setTo(s,{backward:o.isBackward}),r.isEqual(t.document.selection)||t.change(t=>{t.setSelection(r)})}}(this.model,this.mapper)),this.downcastDispatcher.on("insert:$text",(t,e,n)=>{if(!n.consumable.consume(e.item,"insert"))return;const i=n.writer,o=n.mapper.toViewPosition(e.range.start),r=i.createText(e.item.data);i.insert(o,r)},{priority:"lowest"}),this.downcastDispatcher.on("remove",(t,e,n)=>{const i=n.mapper.toViewPosition(e.position),o=e.position.getShiftedBy(e.length),r=n.mapper.toViewPosition(o,{isPhantom:!0}),s=n.writer.createRange(i,r),a=n.writer.remove(s.getTrimmed());for(const t of n.writer.createRangeIn(a).getItems())n.mapper.unbindViewElement(t)},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,n)=>{const i=n.writer,o=i.document.selection;for(const t of o.getRanges())t.isCollapsed&&t.end.parent.document&&n.writer.mergeAttributes(t.start);i.setSelection(null)},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,n)=>{const i=e.selection;if(i.isCollapsed)return;if(!n.consumable.consume(i,"selection"))return;const o=[];for(const t of i.getRanges()){const e=n.mapper.toViewRange(t);o.push(e)}n.writer.setSelection(o,{backward:i.isBackward})},{priority:"low"}),this.downcastDispatcher.on("selection",(t,e,n)=>{const i=e.selection;if(!i.isCollapsed)return;if(!n.consumable.consume(i,"selection"))return;const o=n.writer,r=i.getFirstPosition(),s=n.mapper.toViewPosition(r),a=o.breakAttributes(s);o.setSelection(a)},{priority:"low"}),this.view.document.roots.bindTo(this.model.document.roots).using(t=>{if("$graveyard"==t.rootName)return null;const e=new fn(t.name);return e.rootName=t.rootName,e._document=this.view.document,this.mapper.bindElements(t,e),e})}destroy(){this.view.destroy(),this.stopListening()}}Ie(fr,on);class pr{constructor(t,e=[]){this._editor=t,this._availablePlugins=new Map,this._plugins=new Map;for(const t of e)this._availablePlugins.set(t,t),t.pluginName&&this._availablePlugins.set(t.pluginName,t)}*[Symbol.iterator](){for(const t of this._plugins)"function"==typeof t[0]&&(yield t)}get(t){const e=this._plugins.get(t);if(!e){const e="plugincollection-plugin-not-loaded: The requested plugin is not loaded.";let n=t;throw"function"==typeof t&&(n=t.pluginName||t.name),new be.b(e,this._editor,{plugin:n})}return e}has(t){return this._plugins.has(t)}init(t,e=[]){const n=this,i=this._editor,o=new Set,r=[],s=d(t),a=d(e),c=function(t){const e=[];for(const n of t)u(n)||e.push(n);return e.length?e:null}(t);if(c){const t="plugincollection-plugin-not-found: Some plugins are not available and could not be loaded.";return console.error(Object(be.a)(t),{plugins:c}),Promise.reject(new be.b(t,this._editor,{plugins:c}))}return Promise.all(s.map(function t(s){if(!a.includes(s)&&!n._plugins.has(s)&&!o.has(s))return function(s){return new Promise(a=>{o.add(s),s.requires&&s.requires.forEach(n=>{const o=u(n);if(e.includes(o))throw new be.b("plugincollection-required: Cannot load a plugin because one of its dependencies is listed inthe `removePlugins` option.",i,{plugin:o,requiredBy:s});t(o)});const c=new s(i);n._add(s,c),r.push(c),a()})}(s).catch(t=>{throw console.error(Object(be.a)("plugincollection-load: It was not possible to load the plugin."),{plugin:s}),t})})).then(()=>l(r,"init")).then(()=>l(r,"afterInit")).then(()=>r);function l(t,e){return t.reduce((t,n)=>n[e]?t.then(n[e].bind(n)):t,Promise.resolve())}function u(t){return"function"==typeof t?t:n._availablePlugins.get(t)}function d(t){return t.map(t=>u(t)).filter(t=>!!t)}}destroy(){const t=Array.from(this).map(([,t])=>t).filter(t=>"function"==typeof t.destroy).map(t=>t.destroy());return Promise.all(t)}_add(t,e){this._plugins.set(t,e);const n=t.pluginName;if(n){if(this._plugins.has(n))throw new be.b("plugincollection-plugin-name-conflict: Two plugins with the same name were loaded.",null,{pluginName:n,plugin1:this._plugins.get(n).constructor,plugin2:t});this._plugins.set(n,e)}}}Ie(pr,Ae);class gr{constructor(){this._commands=new Map}add(t,e){this._commands.set(t,e)}get(t){return this._commands.get(t)}execute(t,...e){const n=this.get(t);if(!n)throw new be.b("commandcollection-command-not-found: Command does not exist.",this,{commandName:t});n.execute(...e)}*names(){yield*this._commands.keys()}*commands(){yield*this._commands.values()}[Symbol.iterator](){return this._commands[Symbol.iterator]()}destroy(){for(const t of this.commands())t.destroy()}}window.CKEDITOR_TRANSLATIONS||(window.CKEDITOR_TRANSLATIONS={});const mr=["ar","fa","he","ku","ug"];class br{constructor(t={}){this.uiLanguage=t.uiLanguage||"en",this.contentLanguage=t.contentLanguage||this.uiLanguage,this.uiLanguageDirection=wr(this.uiLanguage),this.contentLanguageDirection=wr(this.contentLanguage),this.t=((...t)=>this._t(...t))}get language(){return console.warn("locale-deprecated-language-property: The Locale#language property has been deprecated and will be removed in the near future. Please use #uiLanguage and #contentLanguage properties instead."),this.uiLanguage}_t(t,e){let n=function(t,e){const n=Object.keys(window.CKEDITOR_TRANSLATIONS).length;return 1===n&&(t=Object.keys(window.CKEDITOR_TRANSLATIONS)[0]),0!==n&&function(t,e){return t in window.CKEDITOR_TRANSLATIONS&&e in window.CKEDITOR_TRANSLATIONS[t]}(t,e)?window.CKEDITOR_TRANSLATIONS[t][e].replace(/ \[context: [^\]]+\]$/,""):e.replace(/ \[context: [^\]]+\]$/,"")}(this.uiLanguage,t);return e&&(n=n.replace(/%(\d+)/g,(t,n)=>n<e.length?e[n]:t)),n}}function wr(t){return mr.includes(t)?"rtl":"ltr"}class _r{constructor(){this._consumables=new Map}add(t,e){let n;t.is("text")||t.is("documentFragment")?this._consumables.set(t,!0):(this._consumables.has(t)?n=this._consumables.get(t):(n=new vr,this._consumables.set(t,n)),n.add(e))}test(t,e){const n=this._consumables.get(t);return void 0===n?null:t.is("text")||t.is("documentFragment")?n:n.test(e)}consume(t,e){return!!this.test(t,e)&&(t.is("text")||t.is("documentFragment")?this._consumables.set(t,!1):this._consumables.get(t).consume(e),!0)}revert(t,e){const n=this._consumables.get(t);void 0!==n&&(t.is("text")||t.is("documentFragment")?this._consumables.set(t,!0):n.revert(e))}static consumablesFromElement(t){const e={name:!0,attributes:[],classes:[],styles:[]},n=t.getAttributeKeys();for(const t of n)"style"!=t&&"class"!=t&&e.attributes.push(t);const i=t.getClassNames();for(const t of i)e.classes.push(t);const o=t.getStyleNames();for(const t of o)e.styles.push(t);return e}static createFrom(t,e){if(e||(e=new _r),t.is("text"))return e.add(t),e;t.is("element")&&e.add(t,_r.consumablesFromElement(t)),t.is("documentFragment")&&e.add(t);for(const n of t.getChildren())e=_r.createFrom(n,e);return e}}class vr{constructor(){this._canConsumeName=null,this._consumables={attributes:new Map,styles:new Map,classes:new Map}}add(t){t.name&&(this._canConsumeName=!0);for(const e in this._consumables)e in t&&this._add(e,t[e])}test(t){if(t.name&&!this._canConsumeName)return this._canConsumeName;for(const e in this._consumables)if(e in t){const n=this._test(e,t[e]);if(!0!==n)return n}return!0}consume(t){t.name&&(this._canConsumeName=!1);for(const e in this._consumables)e in t&&this._consume(e,t[e])}revert(t){t.name&&(this._canConsumeName=!0);for(const e in this._consumables)e in t&&this._revert(e,t[e])}_add(t,e){const n=at(e)?e:[e],i=this._consumables[t];for(const e of n){if("attributes"===t&&("class"===e||"style"===e))throw new be.b("viewconsumable-invalid-attribute: Classes and styles should be handled separately.",this);i.set(e,!0)}}_test(t,e){const n=at(e)?e:[e],i=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e){const t=i.get(e);if(void 0===t)return null;if(!t)return!1}else{const t="class"==e?"classes":"styles",n=this._test(t,[...this._consumables[t].keys()]);if(!0!==n)return n}return!0}_consume(t,e){const n=at(e)?e:[e],i=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e)i.set(e,!1);else{const t="class"==e?"classes":"styles";this._consume(t,[...this._consumables[t].keys()])}}_revert(t,e){const n=at(e)?e:[e],i=this._consumables[t];for(const e of n)if("attributes"!==t||"class"!==e&&"style"!==e)!1===i.get(e)&&i.set(e,!0);else{const t="class"==e?"classes":"styles";this._revert(t,[...this._consumables[t].keys()])}}}class kr{constructor(){this._sourceDefinitions={},this._attributeProperties={},this.decorate("checkChild"),this.decorate("checkAttribute"),this.on("checkAttribute",(t,e)=>{e[0]=new yr(e[0])},{priority:"highest"}),this.on("checkChild",(t,e)=>{e[0]=new yr(e[0]),e[1]=this.getDefinition(e[1])},{priority:"highest"})}register(t,e){if(this._sourceDefinitions[t])throw new be.b("schema-cannot-register-item-twice: A single item cannot be registered twice in the schema.",this,{itemName:t});this._sourceDefinitions[t]=[Object.assign({},e)],this._clearCache()}extend(t,e){if(!this._sourceDefinitions[t])throw new be.b("schema-cannot-extend-missing-item: Cannot extend an item which was not registered yet.",this,{itemName:t});this._sourceDefinitions[t].push(Object.assign({},e)),this._clearCache()}getDefinitions(){return this._compiledDefinitions||this._compile(),this._compiledDefinitions}getDefinition(t){let e;return e="string"==typeof t?t:t.is&&(t.is("text")||t.is("textProxy"))?"$text":t.name,this.getDefinitions()[e]}isRegistered(t){return!!this.getDefinition(t)}isBlock(t){const e=this.getDefinition(t);return!(!e||!e.isBlock)}isLimit(t){const e=this.getDefinition(t);return!(!e||!e.isLimit&&!e.isObject)}isObject(t){const e=this.getDefinition(t);return!(!e||!e.isObject)}isInline(t){const e=this.getDefinition(t);return!(!e||!e.isInline)}checkChild(t,e){return!!e&&this._checkContextMatch(e,t)}checkAttribute(t,e){const n=this.getDefinition(t.last);return!!n&&n.allowAttributes.includes(e)}checkMerge(t,e=null){if(t instanceof Vo){const e=t.nodeBefore,n=t.nodeAfter;if(!(e instanceof Ro))throw new be.b("schema-check-merge-no-element-before: The node before the merge position must be an element.",this);if(!(n instanceof Ro))throw new be.b("schema-check-merge-no-element-after: The node after the merge position must be an element.",this);return this.checkMerge(e,n)}for(const n of e.getChildren())if(!this.checkChild(t,n))return!1;return!0}addChildCheck(t){this.on("checkChild",(e,[n,i])=>{if(!i)return;const o=t(n,i);"boolean"==typeof o&&(e.stop(),e.return=o)},{priority:"high"})}addAttributeCheck(t){this.on("checkAttribute",(e,[n,i])=>{const o=t(n,i);"boolean"==typeof o&&(e.stop(),e.return=o)},{priority:"high"})}setAttributeProperties(t,e){this._attributeProperties[t]=Object.assign(this.getAttributeProperties(t),e)}getAttributeProperties(t){return this._attributeProperties[t]||{}}getLimitElement(t){let e;for(e=t instanceof Vo?t.parent:(t instanceof zo?[t]:Array.from(t.getRanges())).reduce((t,e)=>{const n=e.getCommonAncestor();return t?t.getCommonAncestor(n,{includeSelf:!0}):n},null);!this.isLimit(e)&&e.parent;)e=e.parent;return e}checkAttributeInSelection(t,e){if(t.isCollapsed){const n=[...t.getFirstPosition().getAncestors(),new Io("",t.getAttributes())];return this.checkAttribute(n,e)}{const n=t.getRanges();for(const t of n)for(const n of t)if(this.checkAttribute(n.item,e))return!0}return!1}*getValidRanges(t,e){t=function*(t){for(const e of t)yield*e.getMinimalFlatRanges()}(t);for(const n of t)yield*this._getValidRangesForRange(n,e)}getNearestSelectionRange(t,e="both"){if(this.checkChild(t,"$text"))return new zo(t);let n,i;"both"!=e&&"backward"!=e||(n=new jo({startPosition:t,direction:"backward"})),"both"!=e&&"forward"!=e||(i=new jo({startPosition:t}));for(const t of function*(t,e){let n=!1;for(;!n;){if(n=!0,t){const e=t.next();e.done||(n=!1,yield{walker:t,value:e.value})}if(e){const t=e.next();t.done||(n=!1,yield{walker:e,value:t.value})}}}(n,i)){const e=t.walker==n?"elementEnd":"elementStart",i=t.value;if(i.type==e&&this.isObject(i.item))return zo._createOn(i.item);if(this.checkChild(i.nextPosition,"$text"))return new zo(i.nextPosition)}return null}findAllowedParent(t,e){let n=t.parent;for(;n;){if(this.checkChild(n,e))return n;if(this.isLimit(n))return null;n=n.parent}return null}removeDisallowedAttributes(t,e){for(const n of t){for(const t of n.getAttributeKeys())this.checkAttribute(n,t)||e.removeAttribute(t,n);n.is("element")&&this.removeDisallowedAttributes(n.getChildren(),e)}}createContext(t){return new yr(t)}_clearCache(){this._compiledDefinitions=null}_compile(){const t={},e=this._sourceDefinitions,n=Object.keys(e);for(const i of n)t[i]=xr(e[i],i);for(const e of n)Ar(t,e);for(const e of n)Tr(t,e);for(const e of n)Cr(t,e),Pr(t,e);for(const e of n)Sr(t,e),Er(t,e);this._compiledDefinitions=t}_checkContextMatch(t,e,n=e.length-1){const i=e.getItem(n);if(t.allowIn.includes(i.name)){if(0==n)return!0;{const t=this.getDefinition(i);return this._checkContextMatch(t,e,n-1)}}return!1}*_getValidRangesForRange(t,e){let n=t.start,i=t.start;for(const o of t.getItems({shallow:!0}))o.is("element")&&(yield*this._getValidRangesForRange(zo._createIn(o),e)),this.checkAttribute(o,e)||(n.isEqual(i)||(yield new zo(n,i)),n=Vo._createAfter(o)),i=Vo._createAfter(o);n.isEqual(i)||(yield new zo(n,i))}}Ie(kr,on);class yr{constructor(t){if(t instanceof yr)return t;"string"==typeof t?t=[t]:Array.isArray(t)||(t=t.getAncestors({includeSelf:!0})),t[0]&&"string"!=typeof t[0]&&t[0].is("documentFragment")&&t.shift(),this._items=t.map(Or)}get length(){return this._items.length}get last(){return this._items[this._items.length-1]}[Symbol.iterator](){return this._items[Symbol.iterator]()}push(t){const e=new yr([t]);return e._items=[...this._items,...e._items],e}getItem(t){return this._items[t]}*getNames(){yield*this._items.map(t=>t.name)}endsWith(t){return Array.from(this.getNames()).join(" ").endsWith(t)}}function xr(t,e){const n={name:e,allowIn:[],allowContentOf:[],allowWhere:[],allowAttributes:[],allowAttributesOf:[],inheritTypesFrom:[]};return function(t,e){for(const n of t){const t=Object.keys(n).filter(t=>t.startsWith("is"));for(const i of t)e[i]=n[i]}}(t,n),Mr(t,n,"allowIn"),Mr(t,n,"allowContentOf"),Mr(t,n,"allowWhere"),Mr(t,n,"allowAttributes"),Mr(t,n,"allowAttributesOf"),Mr(t,n,"inheritTypesFrom"),function(t,e){for(const n of t){const t=n.inheritAllFrom;t&&(e.allowContentOf.push(t),e.allowWhere.push(t),e.allowAttributesOf.push(t),e.inheritTypesFrom.push(t))}}(t,n),n}function Ar(t,e){for(const n of t[e].allowContentOf)t[n]&&Ir(t,n).forEach(t=>{t.allowIn.push(e)});delete t[e].allowContentOf}function Tr(t,e){for(const n of t[e].allowWhere){const i=t[n];if(i){const n=i.allowIn;t[e].allowIn.push(...n)}}delete t[e].allowWhere}function Cr(t,e){for(const n of t[e].allowAttributesOf){const i=t[n];if(i){const n=i.allowAttributes;t[e].allowAttributes.push(...n)}}delete t[e].allowAttributesOf}function Pr(t,e){const n=t[e];for(const e of n.inheritTypesFrom){const i=t[e];if(i){const t=Object.keys(i).filter(t=>t.startsWith("is"));for(const e of t)e in n||(n[e]=i[e])}}delete n.inheritTypesFrom}function Sr(t,e){const n=t[e],i=n.allowIn.filter(e=>t[e]);n.allowIn=Array.from(new Set(i))}function Er(t,e){const n=t[e];n.allowAttributes=Array.from(new Set(n.allowAttributes))}function Mr(t,e,n){for(const i of t)"string"==typeof i[n]?e[n].push(i[n]):Array.isArray(i[n])&&e[n].push(...i[n])}function Ir(t,e){const n=t[e];return function(t){return Object.keys(t).map(e=>t[e])}(t).filter(t=>t.allowIn.includes(n.name))}function Or(t){return"string"==typeof t?{name:t,*getAttributeKeys(){},getAttribute(){}}:{name:t.is("element")?t.name:"$text",*getAttributeKeys(){yield*t.getAttributeKeys()},getAttribute:e=>t.getAttribute(e)}}class Nr{constructor(t={}){this._splitParts=new Map,this._modelCursor=null,this.conversionApi=Object.assign({},t),this.conversionApi.convertItem=this._convertItem.bind(this),this.conversionApi.convertChildren=this._convertChildren.bind(this),this.conversionApi.splitToAllowedParent=this._splitToAllowedParent.bind(this),this.conversionApi.getSplitParts=this._getSplitParts.bind(this)}convert(t,e,n=["$root"]){this.fire("viewCleanup",t),this._modelCursor=function(t,e){let n;for(const i of new yr(t)){const t={};for(const e of i.getAttributeKeys())t[e]=i.getAttribute(e);const o=e.createElement(i.name,t);n&&e.append(o,n),n=Vo._createAt(o,0)}return n}(n,e),this.conversionApi.writer=e,this.conversionApi.consumable=_r.createFrom(t),this.conversionApi.store={};const{modelRange:i}=this._convertItem(t,this._modelCursor),o=e.createDocumentFragment();if(i){this._removeEmptyElements();for(const t of Array.from(this._modelCursor.parent.getChildren()))e.append(t,o);o.markers=function(t,e){const n=new Set,i=new Map,o=zo._createIn(t).getItems();for(const t of o)"$marker"==t.name&&n.add(t);for(const t of n){const n=t.getAttribute("data-name"),o=e.createPositionBefore(t);i.has(n)?i.get(n).end=o.clone():i.set(n,new zo(o.clone())),e.remove(t)}return i}(o,e)}return this._modelCursor=null,this._splitParts.clear(),this.conversionApi.writer=null,this.conversionApi.store=null,o}_convertItem(t,e){const n=Object.assign({viewItem:t,modelCursor:e,modelRange:null});if(t.is("element")?this.fire("element:"+t.name,n,this.conversionApi):t.is("text")?this.fire("text",n,this.conversionApi):this.fire("documentFragment",n,this.conversionApi),n.modelRange&&!(n.modelRange instanceof zo))throw new be.b("view-conversion-dispatcher-incorrect-result: Incorrect conversion result was dropped.",this);return{modelRange:n.modelRange,modelCursor:n.modelCursor}}_convertChildren(t,e){const n=new zo(e);let i=e;for(const e of Array.from(t.getChildren())){const t=this._convertItem(e,i);t.modelRange instanceof zo&&(n.end=t.modelRange.end,i=t.modelCursor)}return{modelRange:n,modelCursor:i}}_splitToAllowedParent(t,e){const n=this.conversionApi.schema.findAllowedParent(e,t);if(!n)return null;if(n===e.parent)return{position:e};if(this._modelCursor.parent.getAncestors().includes(n))return null;const i=this.conversionApi.writer.split(e,n),o=[];for(const t of i.range.getWalker())if("elementEnd"==t.type)o.push(t.item);else{const e=o.pop(),n=t.item;this._registerSplitPair(e,n)}return{position:i.position,cursorParent:i.range.end.parent}}_registerSplitPair(t,e){this._splitParts.has(t)||this._splitParts.set(t,[t]);const n=this._splitParts.get(t);this._splitParts.set(e,n),n.push(e)}_getSplitParts(t){return this._splitParts.has(t)?this._splitParts.get(t):[t]}_removeEmptyElements(){let t=!1;for(const e of this._splitParts.keys())e.isEmpty&&(this.conversionApi.writer.remove(e),this._splitParts.delete(e),t=!0);t&&this._removeEmptyElements()}}Ie(Nr,Ae);class Rr{constructor(t,e){this.model=t,this.processor=e,this.mapper=new Fo,this.downcastDispatcher=new $o({mapper:this.mapper}),this.downcastDispatcher.on("insert:$text",(t,e,n)=>{if(!n.consumable.consume(e.item,"insert"))return;const i=n.writer,o=n.mapper.toViewPosition(e.range.start),r=i.createText(e.item.data);i.insert(o,r)},{priority:"lowest"}),this.upcastDispatcher=new Nr({schema:t.schema}),this.upcastDispatcher.on("text",(t,e,n)=>{if(n.schema.checkChild(e.modelCursor,"$text")&&n.consumable.consume(e.viewItem)){const t=n.writer.createText(e.viewItem.data);n.writer.insert(t,e.modelCursor),e.modelRange=zo._createFromPositionAndShift(e.modelCursor,t.offsetSize),e.modelCursor=e.modelRange.end}},{priority:"lowest"}),this.upcastDispatcher.on("element",(t,e,n)=>{if(!e.modelRange&&n.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:i}=n.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=i}},{priority:"lowest"}),this.upcastDispatcher.on("documentFragment",(t,e,n)=>{if(!e.modelRange&&n.consumable.consume(e.viewItem,{name:!0})){const{modelRange:t,modelCursor:i}=n.convertChildren(e.viewItem,e.modelCursor);e.modelRange=t,e.modelCursor=i}},{priority:"lowest"}),this.decorate("init"),this.on("init",()=>{this.fire("ready")},{priority:"lowest"})}get(t){const{rootName:e="main",trim:n="empty"}=t||{};if(!this._checkIfRootsExists([e]))throw new be.b("datacontroller-get-non-existent-root: Attempting to get data from a non-existing root.",this);const i=this.model.document.getRoot(e);return"empty"!==n||this.model.hasContent(i,{ignoreWhitespaces:!0})?this.stringify(i):""}stringify(t){const e=this.toView(t);return this.processor.toData(e)}toView(t){this.mapper.clearBindings();const e=zo._createIn(t),n=new zn,i=new Fn(new yn);if(this.mapper.bindElements(t,n),this.downcastDispatcher.convertInsert(e,i),!t.is("documentFragment")){const e=function(t){const e=[],n=t.root.document;if(!n)return[];const i=zo._createIn(t);for(const t of n.model.markers){const n=i.getIntersection(t.getRange());n&&e.push([t.name,n])}return e}(t);for(const[t,n]of e)this.downcastDispatcher.convertMarkerAdd(t,n,i)}return n}init(t){if(this.model.document.version)throw new be.b("datacontroller-init-document-not-empty: Trying to set initial data to not empty document.",this);let e={};if("string"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new be.b("datacontroller-init-non-existent-root: Attempting to init data on a non-existing root.",this);return this.model.enqueueChange("transparent",t=>{for(const n of Object.keys(e)){const i=this.model.document.getRoot(n);t.insert(this.parse(e[n],i),i,0)}}),Promise.resolve()}set(t){let e={};if("string"==typeof t?e.main=t:e=t,!this._checkIfRootsExists(Object.keys(e)))throw new be.b("datacontroller-set-non-existent-root: Attempting to set data on a non-existing root.",this);this.model.enqueueChange("transparent",t=>{t.setSelection(null),t.removeSelectionAttribute(this.model.document.selection.getAttributeKeys());for(const n of Object.keys(e)){const i=this.model.document.getRoot(n);t.remove(t.createRangeIn(i)),t.insert(this.parse(e[n],i),i,0)}})}parse(t,e="$root"){const n=this.processor.toView(t);return this.toModel(n,e)}toModel(t,e="$root"){return this.model.change(n=>this.upcastDispatcher.convert(t,n,e))}destroy(){this.stopListening()}_checkIfRootsExists(t){for(const e of t)if(!this.model.document.getRootNames().includes(e))return!1;return!0}}Ie(Rr,on);class jr{constructor(t,e){this._helpers=new Map,this._downcast=Array.isArray(t)?t:[t],this._createConversionHelpers({name:"downcast",dispatchers:this._downcast,isDowncast:!0}),this._upcast=Array.isArray(e)?e:[e],this._createConversionHelpers({name:"upcast",dispatchers:this._upcast,isDowncast:!1})}addAlias(t,e){const n=this._downcast.includes(e);if(!this._upcast.includes(e)&&!n)throw new be.b("conversion-add-alias-dispatcher-not-registered: Trying to register and alias for a dispatcher that nas not been registered.",this);this._createConversionHelpers({name:t,dispatchers:[e],isDowncast:n})}for(t){if(!this._helpers.has(t))throw new be.b("conversion-for-unknown-group: Trying to add a converter to an unknown dispatchers group.",this);return this._helpers.get(t)}elementToElement(t){this.for("downcast").elementToElement(t);for(const{model:e,view:n}of Dr(t))this.for("upcast").elementToElement({model:e,view:n,converterPriority:t.converterPriority})}attributeToElement(t){this.for("downcast").attributeToElement(t);for(const{model:e,view:n}of Dr(t))this.for("upcast").elementToAttribute({view:n,model:e,converterPriority:t.converterPriority})}attributeToAttribute(t){this.for("downcast").attributeToAttribute(t);for(const{model:e,view:n}of Dr(t))this.for("upcast").attributeToAttribute({view:n,model:e})}_createConversionHelpers({name:t,dispatchers:e,isDowncast:n}){if(this._helpers.has(t))throw new be.b("conversion-group-exists: Trying to register a group name that has already been registered.",this);const i=n?new nr(e):new cr(e);this._helpers.set(t,i)}}function*Dr(t){if(t.model.values)for(const e of t.model.values)yield*Lr({key:t.model.key,value:e},t.view[e],t.upcastAlso?t.upcastAlso[e]:void 0);else yield*Lr(t.model,t.view,t.upcastAlso)}function*Lr(t,e,n){if(yield{model:t,view:e},n){n=Array.isArray(n)?n:[n];for(const e of n)yield{model:t,view:e}}}class Vr{constructor(t="default"){this.operations=[],this.type=t}get baseVersion(){for(const t of this.operations)if(null!==t.baseVersion)return t.baseVersion;return null}addOperation(t){return t.batch=this,this.operations.push(t),t}}class zr{constructor(t){this.baseVersion=t,this.isDocumentOperation=null!==this.baseVersion,this.batch=null}_validate(){}toJSON(){const t=Object.assign({},this);return t.__className=this.constructor.className,delete t.batch,delete t.isDocumentOperation,t}static get className(){return"Operation"}static fromJSON(t){return new this(t.baseVersion)}}class Fr{constructor(t){this.markers=new Map,this._children=new No,t&&this._insertChild(0,t)}[Symbol.iterator](){return this.getChildren()}get childCount(){return this._children.length}get maxOffset(){return this._children.maxOffset}get isEmpty(){return 0===this.childCount}get root(){return this}get parent(){return null}is(t){return"documentFragment"==t||"model:documentFragment"==t}getChild(t){return this._children.getNode(t)}getChildren(){return this._children[Symbol.iterator]()}getChildIndex(t){return this._children.getNodeIndex(t)}getChildStartOffset(t){return this._children.getNodeStartOffset(t)}getPath(){return[]}getNodeByPath(t){let e=this;for(const n of t)e=e.getChild(e.offsetToIndex(n));return e}offsetToIndex(t){return this._children.offsetToIndex(t)}toJSON(){const t=[];for(const e of this._children)t.push(e.toJSON());return t}static fromJSON(t){const e=[];for(const n of t)n.name?e.push(Ro.fromJSON(n)):e.push(Io.fromJSON(n));return new Fr(e)}_appendChild(t){this._insertChild(this.childCount,t)}_insertChild(t,e){const n=function(t){return"string"==typeof t?[new Io(t)]:(Ve(t)||(t=[t]),Array.from(t).map(t=>"string"==typeof t?new Io(t):t instanceof Oo?new Io(t.data,t.getAttributes()):t))}(e);for(const t of n)null!==t.parent&&t._remove(),t.parent=this;this._children._insertNodes(t,n)}_removeChildren(t,e=1){const n=this._children._removeNodes(t,e);for(const t of n)t.parent=null;return n}}function Br(t,e){const n=(e=qr(e)).reduce((t,e)=>t+e.offsetSize,0),i=t.parent;Wr(t);const o=t.index;return i._insertChild(o,e),Hr(i,o+e.length),Hr(i,o),new zo(t,t.getShiftedBy(n))}function Ur(t){if(!t.isFlat)throw new be.b("operation-utils-remove-range-not-flat: Trying to remove a range which starts and ends in different element.",this);const e=t.start.parent;Wr(t.start),Wr(t.end);const n=e._removeChildren(t.start.index,t.end.index-t.start.index);return Hr(e,t.start.index),n}function $r(t,e){if(!t.isFlat)throw new be.b("operation-utils-move-range-not-flat: Trying to move a range which starts and ends in different element.",this);const n=Ur(t);return Br(e=e._getTransformedByDeletion(t.start,t.end.offset-t.start.offset),n)}function qr(t){const e=[];t instanceof Array||(t=[t]);for(let n=0;n<t.length;n++)if("string"==typeof t[n])e.push(new Io(t[n]));else if(t[n]instanceof Oo)e.push(new Io(t[n].data,t[n].getAttributes()));else if(t[n]instanceof Fr||t[n]instanceof No)for(const i of t[n])e.push(i);else t[n]instanceof Mo&&e.push(t[n]);for(let t=1;t<e.length;t++){const n=e[t],i=e[t-1];n instanceof Io&&i instanceof Io&&Yr(n,i)&&(e.splice(t-1,2,new Io(i.data+n.data,i.getAttributes())),t--)}return e}function Hr(t,e){const n=t.getChild(e-1),i=t.getChild(e);if(n&&i&&n.is("text")&&i.is("text")&&Yr(n,i)){const o=new Io(n.data+i.data,n.getAttributes());t._removeChildren(e-1,2),t._insertChild(e-1,o)}}function Wr(t){const e=t.textNode,n=t.parent;if(e){const i=t.offset-e.startOffset,o=e.index;n._removeChildren(o,1);const r=new Io(e.data.substr(0,i),e.getAttributes()),s=new Io(e.data.substr(i),e.getAttributes());n._insertChild(o,[r,s])}}function Yr(t,e){const n=t.getAttributes(),i=e.getAttributes();for(const t of n){if(t[1]!==e.getAttribute(t[0]))return!1;i.next()}return i.next().done}var Gr=function(t,e){return $i(t,e)};class Qr extends zr{constructor(t,e,n,i,o){super(o),this.range=t.clone(),this.key=e,this.oldValue=void 0===n?null:n,this.newValue=void 0===i?null:i}get type(){return null===this.oldValue?"addAttribute":null===this.newValue?"removeAttribute":"changeAttribute"}clone(){return new Qr(this.range,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new Qr(this.range,this.key,this.newValue,this.oldValue,this.baseVersion+1)}toJSON(){const t=super.toJSON();return t.range=this.range.toJSON(),t}_validate(){if(!this.range.isFlat)throw new be.b("attribute-operation-range-not-flat: The range to change is not flat.",this);for(const t of this.range.getItems({shallow:!0})){if(null!==this.oldValue&&!Gr(t.getAttribute(this.key),this.oldValue))throw new be.b("attribute-operation-wrong-old-value: Changed node has different attribute value than operation's old attribute value.",this,{item:t,key:this.key,value:this.oldValue});if(null===this.oldValue&&null!==this.newValue&&t.hasAttribute(this.key))throw new be.b("attribute-operation-attribute-exists: The attribute with given key already exists.",this,{node:t,key:this.key})}}_execute(){Gr(this.oldValue,this.newValue)||function(t,e,n){Wr(t.start),Wr(t.end);for(const i of t.getItems({shallow:!0})){const t=i.is("textProxy")?i.textNode:i;null!==n?t._setAttribute(e,n):t._removeAttribute(e),Hr(t.parent,t.index)}Hr(t.end.parent,t.end.index)}(this.range,this.key,this.newValue)}static get className(){return"AttributeOperation"}static fromJSON(t,e){return new Qr(zo.fromJSON(t.range,e),t.key,t.oldValue,t.newValue,t.baseVersion)}}class Kr extends zr{constructor(t,e){super(null),this.sourcePosition=t.clone(),this.howMany=e}get type(){return"detach"}toJSON(){const t=super.toJSON();return t.sourcePosition=this.sourcePosition.toJSON(),t}_validate(){if(this.sourcePosition.root.document)throw new be.b("detach-operation-on-document-node: Cannot detach document node.",this)}_execute(){Ur(zo._createFromPositionAndShift(this.sourcePosition,this.howMany))}static get className(){return"DetachOperation"}}class Jr extends zr{constructor(t,e,n,i){super(i),this.sourcePosition=t.clone(),this.sourcePosition.stickiness="toNext",this.howMany=e,this.targetPosition=n.clone(),this.targetPosition.stickiness="toNone"}get type(){return"$graveyard"==this.targetPosition.root.rootName?"remove":"$graveyard"==this.sourcePosition.root.rootName?"reinsert":"move"}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.baseVersion)}getMovedRangeStart(){return this.targetPosition._getTransformedByDeletion(this.sourcePosition,this.howMany)}getReversed(){const t=this.sourcePosition._getTransformedByInsertion(this.targetPosition,this.howMany);return new this.constructor(this.getMovedRangeStart(),this.howMany,t,this.baseVersion+1)}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent,n=this.sourcePosition.offset,i=this.targetPosition.offset;if(n+this.howMany>t.maxOffset)throw new be.b("move-operation-nodes-do-not-exist: The nodes which should be moved do not exist.",this);if(t===e&&n<i&&i<n+this.howMany)throw new be.b("move-operation-range-into-itself: Trying to move a range of nodes to the inside of that range.",this);if(this.sourcePosition.root==this.targetPosition.root&&"prefix"==Oe(this.sourcePosition.getParentPath(),this.targetPosition.getParentPath())){const t=this.sourcePosition.path.length-1;if(this.targetPosition.path[t]>=n&&this.targetPosition.path[t]<n+this.howMany)throw new be.b("move-operation-node-into-itself: Trying to move a range of nodes into one of nodes from that range.",this)}}_execute(){$r(zo._createFromPositionAndShift(this.sourcePosition,this.howMany),this.targetPosition)}toJSON(){const t=super.toJSON();return t.sourcePosition=this.sourcePosition.toJSON(),t.targetPosition=this.targetPosition.toJSON(),t}static get className(){return"MoveOperation"}static fromJSON(t,e){const n=Vo.fromJSON(t.sourcePosition,e),i=Vo.fromJSON(t.targetPosition,e);return new this(n,t.howMany,i,t.baseVersion)}}class Zr extends zr{constructor(t,e,n){super(n),this.position=t.clone(),this.position.stickiness="toNone",this.nodes=new No(qr(e)),this.shouldReceiveAttributes=!1}get type(){return"insert"}get howMany(){return this.nodes.maxOffset}clone(){const t=new No([...this.nodes].map(t=>t._clone(!0))),e=new Zr(this.position,t,this.baseVersion);return e.shouldReceiveAttributes=this.shouldReceiveAttributes,e}getReversed(){const t=this.position.root.document.graveyard,e=new Vo(t,[0]);return new Jr(this.position,this.nodes.maxOffset,e,this.baseVersion+1)}_validate(){const t=this.position.parent;if(!t||t.maxOffset<this.position.offset)throw new be.b("insert-operation-position-invalid: Insertion position is invalid.",this)}_execute(){const t=this.nodes;this.nodes=new No([...t].map(t=>t._clone(!0))),Br(this.position,t)}toJSON(){const t=super.toJSON();return t.position=this.position.toJSON(),t.nodes=this.nodes.toJSON(),t}static get className(){return"InsertOperation"}static fromJSON(t,e){const n=[];for(const e of t.nodes)e.name?n.push(Ro.fromJSON(e)):n.push(Io.fromJSON(e));const i=new Zr(Vo.fromJSON(t.position,e),n,t.baseVersion);return i.shouldReceiveAttributes=t.shouldReceiveAttributes,i}}class Xr extends zr{constructor(t,e,n,i,o,r){super(r),this.name=t,this.oldRange=e?e.clone():null,this.newRange=n?n.clone():null,this.affectsData=o,this._markers=i}get type(){return"marker"}clone(){return new Xr(this.name,this.oldRange,this.newRange,this._markers,this.affectsData,this.baseVersion)}getReversed(){return new Xr(this.name,this.newRange,this.oldRange,this._markers,this.affectsData,this.baseVersion+1)}_execute(){const t=this.newRange?"_set":"_remove";this._markers[t](this.name,this.newRange,!0,this.affectsData)}toJSON(){const t=super.toJSON();return this.oldRange&&(t.oldRange=this.oldRange.toJSON()),this.newRange&&(t.newRange=this.newRange.toJSON()),delete t._markers,t}static get className(){return"MarkerOperation"}static fromJSON(t,e){return new Xr(t.name,t.oldRange?zo.fromJSON(t.oldRange,e):null,t.newRange?zo.fromJSON(t.newRange,e):null,e.model.markers,t.affectsData,t.baseVersion)}}class ts extends zr{constructor(t,e,n,i){super(i),this.position=t,this.position.stickiness="toNext",this.oldName=e,this.newName=n}get type(){return"rename"}clone(){return new ts(this.position.clone(),this.oldName,this.newName,this.baseVersion)}getReversed(){return new ts(this.position.clone(),this.newName,this.oldName,this.baseVersion+1)}_validate(){const t=this.position.nodeAfter;if(!(t instanceof Ro))throw new be.b("rename-operation-wrong-position: Given position is invalid or node after it is not an instance of Element.",this);if(t.name!==this.oldName)throw new be.b("rename-operation-wrong-name: Element to change has different name than operation's old name.",this)}_execute(){this.position.nodeAfter.name=this.newName}toJSON(){const t=super.toJSON();return t.position=this.position.toJSON(),t}static get className(){return"RenameOperation"}static fromJSON(t,e){return new ts(Vo.fromJSON(t.position,e),t.oldName,t.newName,t.baseVersion)}}class es extends zr{constructor(t,e,n,i,o){super(o),this.root=t,this.key=e,this.oldValue=n,this.newValue=i}get type(){return null===this.oldValue?"addRootAttribute":null===this.newValue?"removeRootAttribute":"changeRootAttribute"}clone(){return new es(this.root,this.key,this.oldValue,this.newValue,this.baseVersion)}getReversed(){return new es(this.root,this.key,this.newValue,this.oldValue,this.baseVersion+1)}_validate(){if(this.root!=this.root.root||this.root.is("documentFragment"))throw new be.b("rootattribute-operation-not-a-root: The element to change is not a root element.",this,{root:this.root,key:this.key});if(null!==this.oldValue&&this.root.getAttribute(this.key)!==this.oldValue)throw new be.b("rootattribute-operation-wrong-old-value: Changed node has different attribute value than operation's old attribute value.",this,{root:this.root,key:this.key});if(null===this.oldValue&&null!==this.newValue&&this.root.hasAttribute(this.key))throw new be.b("rootattribute-operation-attribute-exists: The attribute with given key already exists.",this,{root:this.root,key:this.key})}_execute(){null!==this.newValue?this.root._setAttribute(this.key,this.newValue):this.root._removeAttribute(this.key)}toJSON(){const t=super.toJSON();return t.root=this.root.toJSON(),t}static get className(){return"RootAttributeOperation"}static fromJSON(t,e){if(!e.getRoot(t.root))throw new be.b("rootattribute-operation-fromjson-no-root: Cannot create RootAttributeOperation. Root with specified name does not exist.",this,{rootName:t.root});return new es(e.getRoot(t.root),t.key,t.oldValue,t.newValue,t.baseVersion)}}class ns extends zr{constructor(t,e,n,i,o){super(o),this.sourcePosition=t.clone(),this.sourcePosition.stickiness="toPrevious",this.howMany=e,this.targetPosition=n.clone(),this.targetPosition.stickiness="toNext",this.graveyardPosition=i.clone()}get type(){return"merge"}get deletionPosition(){return new Vo(this.sourcePosition.root,this.sourcePosition.path.slice(0,-1))}get movedRange(){const t=this.sourcePosition.getShiftedBy(Number.POSITIVE_INFINITY);return new zo(this.sourcePosition,t)}clone(){return new this.constructor(this.sourcePosition,this.howMany,this.targetPosition,this.graveyardPosition,this.baseVersion)}getReversed(){const t=this.targetPosition._getTransformedByMergeOperation(this),e=this.sourcePosition.path.slice(0,-1),n=new Vo(this.sourcePosition.root,e)._getTransformedByMergeOperation(this),i=new is(t,this.howMany,this.graveyardPosition,this.baseVersion+1);return i.insertionPosition=n,i}_validate(){const t=this.sourcePosition.parent,e=this.targetPosition.parent;if(!t.parent)throw new be.b("merge-operation-source-position-invalid: Merge source position is invalid.",this);if(!e.parent)throw new be.b("merge-operation-target-position-invalid: Merge target position is invalid.",this);if(this.howMany!=t.maxOffset)throw new be.b("merge-operation-how-many-invalid: Merge operation specifies wrong number of nodes to move.",this)}_execute(){const t=this.sourcePosition.parent;$r(zo._createIn(t),this.targetPosition),$r(zo._createOn(t),this.graveyardPosition)}toJSON(){const t=super.toJSON();return t.sourcePosition=t.sourcePosition.toJSON(),t.targetPosition=t.targetPosition.toJSON(),t.graveyardPosition=t.graveyardPosition.toJSON(),t}static get className(){return"MergeOperation"}static fromJSON(t,e){const n=Vo.fromJSON(t.sourcePosition,e),i=Vo.fromJSON(t.targetPosition,e),o=Vo.fromJSON(t.graveyardPosition,e);return new this(n,t.howMany,i,o,t.baseVersion)}}class is extends zr{constructor(t,e,n,i){super(i),this.splitPosition=t.clone(),this.splitPosition.stickiness="toNext",this.howMany=e,this.insertionPosition=is.getInsertionPosition(t),this.insertionPosition.stickiness="toNone",this.graveyardPosition=n?n.clone():null,this.graveyardPosition&&(this.graveyardPosition.stickiness="toNext")}get type(){return"split"}get moveTargetPosition(){const t=this.insertionPosition.path.slice();return t.push(0),new Vo(this.insertionPosition.root,t)}get movedRange(){const t=this.splitPosition.getShiftedBy(Number.POSITIVE_INFINITY);return new zo(this.splitPosition,t)}clone(){const t=new this.constructor(this.splitPosition,this.howMany,this.graveyardPosition,this.baseVersion);return t.insertionPosition=this.insertionPosition,t}getReversed(){const t=this.splitPosition.root.document.graveyard,e=new Vo(t,[0]);return new ns(this.moveTargetPosition,this.howMany,this.splitPosition,e,this.baseVersion+1)}_validate(){const t=this.splitPosition.parent,e=this.splitPosition.offset;if(!t||t.maxOffset<e)throw new be.b("split-operation-position-invalid: Split position is invalid.",this);if(!t.parent)throw new be.b("split-operation-split-in-root: Cannot split root element.",this);if(this.howMany!=t.maxOffset-this.splitPosition.offset)throw new be.b("split-operation-how-many-invalid: Split operation specifies wrong number of nodes to move.",this);if(this.graveyardPosition&&!this.graveyardPosition.nodeAfter)throw new be.b("split-operation-graveyard-position-invalid: Graveyard position invalid.",this)}_execute(){const t=this.splitPosition.parent;if(this.graveyardPosition)$r(zo._createFromPositionAndShift(this.graveyardPosition,1),this.insertionPosition);else{const e=t._clone();Br(this.insertionPosition,e)}$r(new zo(Vo._createAt(t,this.splitPosition.offset),Vo._createAt(t,t.maxOffset)),this.moveTargetPosition)}toJSON(){const t=super.toJSON();return t.splitPosition=this.splitPosition.toJSON(),t.insertionPosition=this.insertionPosition.toJSON(),this.graveyardPosition&&(t.graveyardPosition=this.graveyardPosition.toJSON()),t}static get className(){return"SplitOperation"}static getInsertionPosition(t){const e=t.path.slice(0,-1);return e[e.length-1]++,new Vo(t.root,e)}static fromJSON(t,e){const n=Vo.fromJSON(t.splitPosition,e),i=Vo.fromJSON(t.insertionPosition,e),o=t.graveyardPosition?Vo.fromJSON(t.graveyardPosition,e):null,r=new this(n,t.howMany,o,t.baseVersion);return r.insertionPosition=i,r}}class os extends Ro{constructor(t,e,n="main"){super(e),this._doc=t,this.rootName=n}get document(){return this._doc}is(t,e){const n=t.replace("model:","");return e?"rootElement"==n&&e==this.name||super.is(t,e):"rootElement"==n||super.is(t)}toJSON(){return this.rootName}}class rs{constructor(t,e){this.model=t,this.batch=e}createText(t,e){return new Io(t,e)}createElement(t,e){return new Ro(t,e)}createDocumentFragment(){return new Fr}insert(t,e,n=0){if(this._assertWriterUsedCorrectly(),t instanceof Io&&""==t.data)return;const i=Vo._createAt(e,n);if(t.parent){if(us(t.root,i.root))return void this.move(zo._createOn(t),i);if(t.root.document)throw new be.b("model-writer-insert-forbidden-move: Cannot move a node from a document to a different tree. It is forbidden to move a node that was already in a document outside of it.",this);this.remove(t)}const o=i.root.document?i.root.document.version:null,r=new Zr(i,t,o);if(t instanceof Io&&(r.shouldReceiveAttributes=!0),this.batch.addOperation(r),this.model.applyOperation(r),t instanceof Fr)for(const[e,n]of t.markers){const t=Vo._createAt(n.root,0),o={range:new zo(n.start._getCombined(t,i),n.end._getCombined(t,i)),usingOperation:!0,affectsData:!0};this.model.markers.has(e)?this.updateMarker(e,o):this.addMarker(e,o)}}insertText(t,e,n,i){e instanceof Fr||e instanceof Ro||e instanceof Vo?this.insert(this.createText(t),e,n):this.insert(this.createText(t,e),n,i)}insertElement(t,e,n,i){e instanceof Fr||e instanceof Ro||e instanceof Vo?this.insert(this.createElement(t),e,n):this.insert(this.createElement(t,e),n,i)}append(t,e){this.insert(t,e,"end")}appendText(t,e,n){e instanceof Fr||e instanceof Ro?this.insert(this.createText(t),e,"end"):this.insert(this.createText(t,e),n,"end")}appendElement(t,e,n){e instanceof Fr||e instanceof Ro?this.insert(this.createElement(t),e,"end"):this.insert(this.createElement(t,e),n,"end")}setAttribute(t,e,n){if(this._assertWriterUsedCorrectly(),n instanceof zo){const i=n.getMinimalFlatRanges();for(const n of i)ss(this,t,e,n)}else as(this,t,e,n)}setAttributes(t,e){for(const[n,i]of Eo(t))this.setAttribute(n,i,e)}removeAttribute(t,e){if(this._assertWriterUsedCorrectly(),e instanceof zo){const n=e.getMinimalFlatRanges();for(const e of n)ss(this,t,null,e)}else as(this,t,null,e)}clearAttributes(t){this._assertWriterUsedCorrectly();const e=t=>{for(const e of t.getAttributeKeys())this.removeAttribute(e,t)};if(t instanceof zo)for(const n of t.getItems())e(n);else e(t)}move(t,e,n){if(this._assertWriterUsedCorrectly(),!(t instanceof zo))throw new be.b("writer-move-invalid-range: Invalid range to move.",this);if(!t.isFlat)throw new be.b("writer-move-range-not-flat: Range to move is not flat.",this);const i=Vo._createAt(e,n);if(i.isEqual(t.start))return;if(this._addOperationForAffectedMarkers("move",t),!us(t.root,i.root))throw new be.b("writer-move-different-document: Range is going to be moved between different documents.",this);const o=t.root.document?t.root.document.version:null,r=new Jr(t.start,t.end.offset-t.start.offset,i,o);this.batch.addOperation(r),this.model.applyOperation(r)}remove(t){this._assertWriterUsedCorrectly();const e=(t instanceof zo?t:zo._createOn(t)).getMinimalFlatRanges().reverse();for(const t of e)this._addOperationForAffectedMarkers("move",t),ls(t.start,t.end.offset-t.start.offset,this.batch,this.model)}merge(t){this._assertWriterUsedCorrectly();const e=t.nodeBefore,n=t.nodeAfter;if(this._addOperationForAffectedMarkers("merge",t),!(e instanceof Ro))throw new be.b("writer-merge-no-element-before: Node before merge position must be an element.",this);if(!(n instanceof Ro))throw new be.b("writer-merge-no-element-after: Node after merge position must be an element.",this);t.root.document?this._merge(t):this._mergeDetached(t)}createPositionFromPath(t,e,n){return this.model.createPositionFromPath(t,e,n)}createPositionAt(t,e){return this.model.createPositionAt(t,e)}createPositionAfter(t){return this.model.createPositionAfter(t)}createPositionBefore(t){return this.model.createPositionBefore(t)}createRange(t,e){return this.model.createRange(t,e)}createRangeIn(t){return this.model.createRangeIn(t)}createRangeOn(t){return this.model.createRangeOn(t)}createSelection(t,e,n){return this.model.createSelection(t,e,n)}_mergeDetached(t){const e=t.nodeBefore,n=t.nodeAfter;this.move(zo._createIn(n),Vo._createAt(e,"end")),this.remove(n)}_merge(t){const e=Vo._createAt(t.nodeBefore,"end"),n=Vo._createAt(t.nodeAfter,0),i=t.root.document.graveyard,o=new Vo(i,[0]),r=t.root.document.version,s=new ns(n,t.nodeAfter.maxOffset,e,o,r);this.batch.addOperation(s),this.model.applyOperation(s)}rename(t,e){if(this._assertWriterUsedCorrectly(),!(t instanceof Ro))throw new be.b("writer-rename-not-element-instance: Trying to rename an object which is not an instance of Element.",this);const n=t.root.document?t.root.document.version:null,i=new ts(Vo._createBefore(t),t.name,e,n);this.batch.addOperation(i),this.model.applyOperation(i)}split(t,e){this._assertWriterUsedCorrectly();let n,i,o=t.parent;if(!o.parent)throw new be.b("writer-split-element-no-parent: Element with no parent can not be split.",this);if(e||(e=o.parent),!t.parent.getAncestors({includeSelf:!0}).includes(e))throw new be.b("writer-split-invalid-limit-element: Limit element is not a position ancestor.",this);do{const e=o.root.document?o.root.document.version:null,r=o.maxOffset-t.offset,s=new is(t,r,null,e);this.batch.addOperation(s),this.model.applyOperation(s),n||i||(n=o,i=t.parent.nextSibling),o=(t=this.createPositionAfter(t.parent)).parent}while(o!==e);return{position:t,range:new zo(Vo._createAt(n,"end"),Vo._createAt(i,0))}}wrap(t,e){if(this._assertWriterUsedCorrectly(),!t.isFlat)throw new be.b("writer-wrap-range-not-flat: Range to wrap is not flat.",this);const n=e instanceof Ro?e:new Ro(e);if(n.childCount>0)throw new be.b("writer-wrap-element-not-empty: Element to wrap with is not empty.",this);if(null!==n.parent)throw new be.b("writer-wrap-element-attached: Element to wrap with is already attached to tree model.",this);this.insert(n,t.start);const i=new zo(t.start.getShiftedBy(1),t.end.getShiftedBy(1));this.move(i,Vo._createAt(n,0))}unwrap(t){if(this._assertWriterUsedCorrectly(),null===t.parent)throw new be.b("writer-unwrap-element-no-parent: Trying to unwrap an element which has no parent.",this);this.move(zo._createIn(t),this.createPositionAfter(t)),this.remove(t)}addMarker(t,e){if(this._assertWriterUsedCorrectly(),!e||"boolean"!=typeof e.usingOperation)throw new be.b("writer-addMarker-no-usingOperation: The options.usingOperation parameter is required when adding a new marker.",this);const n=e.usingOperation,i=e.range,o=void 0!==e.affectsData&&e.affectsData;if(this.model.markers.has(t))throw new be.b("writer-addMarker-marker-exists: Marker with provided name already exists.",this);if(!i)throw new be.b("writer-addMarker-no-range: Range parameter is required when adding a new marker.",this);return n?(cs(this,t,null,i,o),this.model.markers.get(t)):this.model.markers._set(t,i,n,o)}updateMarker(t,e){this._assertWriterUsedCorrectly();const n="string"==typeof t?t:t.name,i=this.model.markers.get(n);if(!i)throw new be.b("writer-updateMarker-marker-not-exists: Marker with provided name does not exists.",this);if(!e)return void this.model.markers._refresh(i);const o="boolean"==typeof e.usingOperation,r="boolean"==typeof e.affectsData,s=r?e.affectsData:i.affectsData;if(!o&&!e.range&&!r)throw new be.b("writer-updateMarker-wrong-options: One of the options is required - provide range, usingOperations or affectsData.",this);const a=i.getRange(),c=e.range?e.range:a;o&&e.usingOperation!==i.managedUsingOperations?e.usingOperation?cs(this,n,null,c,s):(cs(this,n,a,null,s),this.model.markers._set(n,c,void 0,s)):i.managedUsingOperations?cs(this,n,a,c,s):this.model.markers._set(n,c,void 0,s)}removeMarker(t){this._assertWriterUsedCorrectly();const e="string"==typeof t?t:t.name;if(!this.model.markers.has(e))throw new be.b("writer-removeMarker-no-marker: Trying to remove marker which does not exist.",this);const n=this.model.markers.get(e);n.managedUsingOperations?cs(this,e,n.getRange(),null,n.affectsData):this.model.markers._remove(e)}setSelection(t,e,n){this._assertWriterUsedCorrectly(),this.model.document.selection._setTo(t,e,n)}setSelectionFocus(t,e){this._assertWriterUsedCorrectly(),this.model.document.selection._setFocus(t,e)}setSelectionAttribute(t,e){if(this._assertWriterUsedCorrectly(),"string"==typeof t)this._setSelectionAttribute(t,e);else for(const[e,n]of Eo(t))this._setSelectionAttribute(e,n)}removeSelectionAttribute(t){if(this._assertWriterUsedCorrectly(),"string"==typeof t)this._removeSelectionAttribute(t);else for(const e of t)this._removeSelectionAttribute(e)}overrideSelectionGravity(){return this.model.document.selection._overrideGravity()}restoreSelectionGravity(t){this.model.document.selection._restoreGravity(t)}_setSelectionAttribute(t,e){const n=this.model.document.selection;if(n.isCollapsed&&n.anchor.parent.isEmpty){const i=Jo._getStoreAttributeKey(t);this.setAttribute(i,e,n.anchor.parent)}n._setAttribute(t,e)}_removeSelectionAttribute(t){const e=this.model.document.selection;if(e.isCollapsed&&e.anchor.parent.isEmpty){const n=Jo._getStoreAttributeKey(t);this.removeAttribute(n,e.anchor.parent)}e._removeAttribute(t)}_assertWriterUsedCorrectly(){if(this.model._currentWriter!==this)throw new be.b("writer-incorrect-use: Trying to use a writer outside the change() block.",this)}_addOperationForAffectedMarkers(t,e){for(const n of this.model.markers){if(!n.managedUsingOperations)continue;const i=n.getRange();let o=!1;if("move"==t)o=e.containsPosition(i.start)||e.start.isEqual(i.start)||e.containsPosition(i.end)||e.end.isEqual(i.end);else{const t=e.nodeBefore,n=e.nodeAfter,r=i.start.parent==t&&i.start.isAtEnd,s=i.end.parent==n&&0==i.end.offset,a=i.end.nodeAfter==n,c=i.start.nodeAfter==n;o=r||s||a||c}o&&this.updateMarker(n.name,{range:i})}}}function ss(t,e,n,i){const o=t.model,r=o.document;let s,a,c,l=i.start;for(const t of i.getWalker({shallow:!0}))c=t.item.getAttribute(e),s&&a!=c&&(a!=n&&u(),l=s),s=t.nextPosition,a=c;function u(){const i=new zo(l,s),c=i.root.document?r.version:null,u=new Qr(i,e,a,n,c);t.batch.addOperation(u),o.applyOperation(u)}s instanceof Vo&&s!=l&&a!=n&&u()}function as(t,e,n,i){const o=t.model,r=o.document,s=i.getAttribute(e);let a,c;if(s!=n){if(i.root===i){const t=i.document?r.version:null;c=new es(i,e,s,n,t)}else{const o=(a=new zo(Vo._createBefore(i),t.createPositionAfter(i))).root.document?r.version:null;c=new Qr(a,e,s,n,o)}t.batch.addOperation(c),o.applyOperation(c)}}function cs(t,e,n,i,o){const r=t.model,s=r.document,a=new Xr(e,n,i,r.markers,o,s.version);t.batch.addOperation(a),r.applyOperation(a)}function ls(t,e,n,i){let o;if(t.root.document){const n=i.document,r=new Vo(n.graveyard,[0]);o=new Jr(t,e,r,n.version)}else o=new Kr(t,e);n.addOperation(o),i.applyOperation(o)}function us(t,e){return t===e||t instanceof os&&e instanceof os}class ds{constructor(t){this._markerCollection=t,this._changesInElement=new Map,this._elementSnapshots=new Map,this._changedMarkers=new Map,this._changeCount=0,this._cachedChanges=null,this._cachedChangesWithGraveyard=null}get isEmpty(){return 0==this._changesInElement.size&&0==this._changedMarkers.size}refreshItem(t){if(this._isInInsertedElement(t.parent))return;this._markRemove(t.parent,t.startOffset,t.offsetSize),this._markInsert(t.parent,t.startOffset,t.offsetSize);const e=zo._createOn(t);for(const t of this._markerCollection.getMarkersIntersectingRange(e)){const e=t.getRange();this.bufferMarkerChange(t.name,e,e,t.affectsData)}this._cachedChanges=null}bufferOperation(t){switch(t.type){case"insert":if(this._isInInsertedElement(t.position.parent))return;this._markInsert(t.position.parent,t.position.offset,t.nodes.maxOffset);break;case"addAttribute":case"removeAttribute":case"changeAttribute":for(const e of t.range.getItems({shallow:!0}))this._isInInsertedElement(e.parent)||this._markAttribute(e);break;case"remove":case"move":case"reinsert":{if(t.sourcePosition.isEqual(t.targetPosition)||t.sourcePosition.getShiftedBy(t.howMany).isEqual(t.targetPosition))return;const e=this._isInInsertedElement(t.sourcePosition.parent),n=this._isInInsertedElement(t.targetPosition.parent);e||this._markRemove(t.sourcePosition.parent,t.sourcePosition.offset,t.howMany),n||this._markInsert(t.targetPosition.parent,t.getMovedRangeStart().offset,t.howMany);break}case"rename":{if(this._isInInsertedElement(t.position.parent))return;this._markRemove(t.position.parent,t.position.offset,1),this._markInsert(t.position.parent,t.position.offset,1);const e=zo._createFromPositionAndShift(t.position,1);for(const t of this._markerCollection.getMarkersIntersectingRange(e)){const e=t.getRange();this.bufferMarkerChange(t.name,e,e,t.affectsData)}break}case"split":{const e=t.splitPosition.parent;this._isInInsertedElement(e)||this._markRemove(e,t.splitPosition.offset,t.howMany),this._isInInsertedElement(t.insertionPosition.parent)||this._markInsert(t.insertionPosition.parent,t.insertionPosition.offset,1),t.graveyardPosition&&this._markRemove(t.graveyardPosition.parent,t.graveyardPosition.offset,1);break}case"merge":{const e=t.sourcePosition.parent;this._isInInsertedElement(e.parent)||this._markRemove(e.parent,e.startOffset,1);const n=t.graveyardPosition.parent;this._markInsert(n,t.graveyardPosition.offset,1);const i=t.targetPosition.parent;this._isInInsertedElement(i)||this._markInsert(i,t.targetPosition.offset,e.maxOffset);break}}this._cachedChanges=null}bufferMarkerChange(t,e,n,i){const o=this._changedMarkers.get(t);o?(o.newRange=n,o.affectsData=i,null==o.oldRange&&null==o.newRange&&this._changedMarkers.delete(t)):this._changedMarkers.set(t,{oldRange:e,newRange:n,affectsData:i})}getMarkersToRemove(){const t=[];for(const[e,n]of this._changedMarkers)null!=n.oldRange&&t.push({name:e,range:n.oldRange});return t}getMarkersToAdd(){const t=[];for(const[e,n]of this._changedMarkers)null!=n.newRange&&t.push({name:e,range:n.newRange});return t}getChangedMarkers(){return Array.from(this._changedMarkers).map(t=>({name:t[0],data:{oldRange:t[1].oldRange,newRange:t[1].newRange}}))}hasDataChanges(){for(const[,t]of this._changedMarkers)if(t.affectsData)return!0;return this._changesInElement.size>0}getChanges(t={includeChangesInGraveyard:!1}){if(this._cachedChanges)return t.includeChangesInGraveyard?this._cachedChangesWithGraveyard.slice():this._cachedChanges.slice();const e=[];for(const t of this._changesInElement.keys()){const n=this._changesInElement.get(t).sort((t,e)=>t.offset===e.offset?t.type!=e.type?"remove"==t.type?-1:1:0:t.offset<e.offset?-1:1),i=this._elementSnapshots.get(t),o=hs(t.getChildren()),r=fs(i.length,n);let s=0,a=0;for(const n of r)if("i"===n)e.push(this._getInsertDiff(t,s,o[s].name)),s++;else if("r"===n)e.push(this._getRemoveDiff(t,s,i[a].name)),a++;else if("a"===n){const n=o[s].attributes,r=i[a].attributes;let c;if("$text"==o[s].name)c=new zo(Vo._createAt(t,s),Vo._createAt(t,s+1));else{const e=t.offsetToIndex(s);c=new zo(Vo._createAt(t,s),Vo._createAt(t.getChild(e),0))}e.push(...this._getAttributesDiff(c,r,n)),s++,a++}else s++,a++}e.sort((t,e)=>t.position.root!=e.position.root?t.position.root.rootName<e.position.root.rootName?-1:1:t.position.isEqual(e.position)?t.changeCount-e.changeCount:t.position.isBefore(e.position)?-1:1);for(let t=1;t<e.length;t++){const n=e[t-1],i=e[t],o="remove"==n.type&&"remove"==i.type&&"$text"==n.name&&"$text"==i.name&&n.position.isEqual(i.position),r="insert"==n.type&&"insert"==i.type&&"$text"==n.name&&"$text"==i.name&&n.position.parent==i.position.parent&&n.position.offset+n.length==i.position.offset,s="attribute"==n.type&&"attribute"==i.type&&n.position.parent==i.position.parent&&n.range.isFlat&&i.range.isFlat&&n.position.offset+n.length==i.position.offset&&n.attributeKey==i.attributeKey&&n.attributeOldValue==i.attributeOldValue&&n.attributeNewValue==i.attributeNewValue;(o||r||s)&&(e[t-1].length++,s&&(e[t-1].range.end=e[t-1].range.end.getShiftedBy(1)),e.splice(t,1),t--)}for(const t of e)delete t.changeCount,"attribute"==t.type&&(delete t.position,delete t.length);return this._changeCount=0,this._cachedChangesWithGraveyard=e.slice(),this._cachedChanges=e.slice().filter(ps),t.includeChangesInGraveyard?this._cachedChangesWithGraveyard:this._cachedChanges}reset(){this._changesInElement.clear(),this._elementSnapshots.clear(),this._changedMarkers.clear(),this._cachedChanges=null}_markInsert(t,e,n){const i={type:"insert",offset:e,howMany:n,count:this._changeCount++};this._markChange(t,i)}_markRemove(t,e,n){const i={type:"remove",offset:e,howMany:n,count:this._changeCount++};this._markChange(t,i),this._removeAllNestedChanges(t,e,n)}_markAttribute(t){const e={type:"attribute",offset:t.startOffset,howMany:t.offsetSize,count:this._changeCount++};this._markChange(t.parent,e)}_markChange(t,e){this._makeSnapshot(t);const n=this._getChangesForElement(t);this._handleChange(e,n),n.push(e);for(let t=0;t<n.length;t++)n[t].howMany<1&&(n.splice(t,1),t--)}_getChangesForElement(t){let e;return this._changesInElement.has(t)?e=this._changesInElement.get(t):(e=[],this._changesInElement.set(t,e)),e}_makeSnapshot(t){this._elementSnapshots.has(t)||this._elementSnapshots.set(t,hs(t.getChildren()))}_handleChange(t,e){t.nodesToHandle=t.howMany;for(const n of e){const i=t.offset+t.howMany,o=n.offset+n.howMany;if("insert"==t.type&&("insert"==n.type&&(t.offset<=n.offset?n.offset+=t.howMany:t.offset<o&&(n.howMany+=t.nodesToHandle,t.nodesToHandle=0)),"remove"==n.type&&t.offset<n.offset&&(n.offset+=t.howMany),"attribute"==n.type))if(t.offset<=n.offset)n.offset+=t.howMany;else if(t.offset<o){const o=n.howMany;n.howMany=t.offset-n.offset,e.unshift({type:"attribute",offset:i,howMany:o-n.howMany,count:this._changeCount++})}if("remove"==t.type){if("insert"==n.type)if(i<=n.offset)n.offset-=t.howMany;else if(i<=o)if(t.offset<n.offset){const e=i-n.offset;n.offset=t.offset,n.howMany-=e,t.nodesToHandle-=e}else n.howMany-=t.nodesToHandle,t.nodesToHandle=0;else if(t.offset<=n.offset)t.nodesToHandle-=n.howMany,n.howMany=0;else if(t.offset<o){const e=o-t.offset;n.howMany-=e,t.nodesToHandle-=e}if("remove"==n.type&&(i<=n.offset?n.offset-=t.howMany:t.offset<n.offset&&(t.nodesToHandle+=n.howMany,n.howMany=0)),"attribute"==n.type)if(i<=n.offset)n.offset-=t.howMany;else if(t.offset<n.offset){const e=i-n.offset;n.offset=t.offset,n.howMany-=e}else if(t.offset<o)if(i<=o){const i=n.howMany;n.howMany=t.offset-n.offset;const o=i-n.howMany-t.nodesToHandle;e.unshift({type:"attribute",offset:t.offset,howMany:o,count:this._changeCount++})}else n.howMany-=o-t.offset}if("attribute"==t.type){if("insert"==n.type)if(t.offset<n.offset&&i>n.offset){if(i>o){const t={type:"attribute",offset:o,howMany:i-o,count:this._changeCount++};this._handleChange(t,e),e.push(t)}t.nodesToHandle=n.offset-t.offset,t.howMany=t.nodesToHandle}else t.offset>=n.offset&&t.offset<o&&(i>o?(t.nodesToHandle=i-o,t.offset=o):t.nodesToHandle=0);if("remove"==n.type&&t.offset<n.offset&&i>n.offset){const o={type:"attribute",offset:n.offset,howMany:i-n.offset,count:this._changeCount++};this._handleChange(o,e),e.push(o),t.nodesToHandle=n.offset-t.offset,t.howMany=t.nodesToHandle}"attribute"==n.type&&(t.offset>=n.offset&&i<=o?(t.nodesToHandle=0,t.howMany=0,t.offset=0):t.offset<=n.offset&&i>=o&&(n.howMany=0))}}t.howMany=t.nodesToHandle,delete t.nodesToHandle}_getInsertDiff(t,e,n){return{type:"insert",position:Vo._createAt(t,e),name:n,length:1,changeCount:this._changeCount++}}_getRemoveDiff(t,e,n){return{type:"remove",position:Vo._createAt(t,e),name:n,length:1,changeCount:this._changeCount++}}_getAttributesDiff(t,e,n){const i=[];n=new Map(n);for(const[o,r]of e){const e=n.has(o)?n.get(o):null;e!==r&&i.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:o,attributeOldValue:r,attributeNewValue:e,changeCount:this._changeCount++}),n.delete(o)}for(const[e,o]of n)i.push({type:"attribute",position:t.start,range:t.clone(),length:1,attributeKey:e,attributeOldValue:null,attributeNewValue:o,changeCount:this._changeCount++});return i}_isInInsertedElement(t){const e=t.parent;if(!e)return!1;const n=this._changesInElement.get(e),i=t.startOffset;if(n)for(const t of n)if("insert"==t.type&&i>=t.offset&&i<t.offset+t.howMany)return!0;return this._isInInsertedElement(e)}_removeAllNestedChanges(t,e,n){const i=new zo(Vo._createAt(t,e),Vo._createAt(t,e+n));for(const t of i.getItems({shallow:!0}))t.is("element")&&(this._elementSnapshots.delete(t),this._changesInElement.delete(t),this._removeAllNestedChanges(t,0,t.maxOffset))}}function hs(t){const e=[];for(const n of t)if(n.is("text"))for(let t=0;t<n.data.length;t++)e.push({name:"$text",attributes:new Map(n.getAttributes())});else e.push({name:n.name,attributes:new Map(n.getAttributes())});return e}function fs(t,e){const n=[];let i=0,o=0;for(const t of e){if(t.offset>i){for(let e=0;e<t.offset-i;e++)n.push("e");o+=t.offset-i}if("insert"==t.type){for(let e=0;e<t.howMany;e++)n.push("i");i=t.offset+t.howMany}else if("remove"==t.type){for(let e=0;e<t.howMany;e++)n.push("r");i=t.offset,o+=t.howMany}else n.push(..."a".repeat(t.howMany).split("")),i=t.offset+t.howMany,o+=t.howMany}if(o<t)for(let e=0;e<t-o-i;e++)n.push("e");return n}function ps(t){const e=t.position&&"$graveyard"==t.position.root.rootName,n=t.range&&"$graveyard"==t.range.root.rootName;return!e&&!n}class gs{constructor(){this._operations=[],this._undoPairs=new Map,this._undoneOperations=new Set}addOperation(t){this._operations.includes(t)||this._operations.push(t)}getOperations(t=0,e=Number.POSITIVE_INFINITY){return t<0?[]:this._operations.slice(t,e)}getOperation(t){return this._operations[t]}setOperationAsUndone(t,e){this._undoPairs.set(e,t),this._undoneOperations.add(t)}isUndoingOperation(t){return this._undoPairs.has(t)}isUndoneOperation(t){return this._undoneOperations.has(t)}getUndoneOperation(t){return this._undoPairs.get(t)}}function ms(t,e){return function(t){return!!t&&1==t.length&&/[\ud800-\udbff]/.test(t)}(t.charAt(e-1))&&function(t){return!!t&&1==t.length&&/[\udc00-\udfff]/.test(t)}(t.charAt(e))}function bs(t,e){return function(t){return!!t&&1==t.length&&/[\u0300-\u036f\u1ab0-\u1aff\u1dc0-\u1dff\u20d0-\u20ff\ufe20-\ufe2f]/.test(t)}(t.charAt(e))}const ws="$graveyard";class _s{constructor(t){this.model=t,this.version=0,this.history=new gs(this),this.selection=new Jo(this),this.roots=new kn({idProperty:"rootName"}),this.differ=new ds(t.markers),this._postFixers=new Set,this._hasSelectionChangedFromTheLastChangeBlock=!1,this.createRoot("$root",ws),this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];if(n.isDocumentOperation&&n.baseVersion!==this.version)throw new be.b("model-document-applyOperation-wrong-version: Only operations with matching versions can be applied.",this,{operation:n})},{priority:"highest"}),this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&this.differ.bufferOperation(n)},{priority:"high"}),this.listenTo(t,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&(this.version++,this.history.addOperation(n))},{priority:"low"}),this.listenTo(this.selection,"change",()=>{this._hasSelectionChangedFromTheLastChangeBlock=!0}),this.listenTo(t.markers,"update",(t,e,n,i)=>{this.differ.bufferMarkerChange(e.name,n,i,e.affectsData),null===n&&e.on("change",(t,n)=>{this.differ.bufferMarkerChange(e.name,n,e.getRange(),e.affectsData)})})}get graveyard(){return this.getRoot(ws)}createRoot(t="$root",e="main"){if(this.roots.get(e))throw new be.b("model-document-createRoot-name-exists: Root with specified name already exists.",this,{name:e});const n=new os(this,t,e);return this.roots.add(n),n}destroy(){this.selection.destroy(),this.stopListening()}getRoot(t="main"){return this.roots.get(t)}getRootNames(){return Array.from(this.roots,t=>t.rootName).filter(t=>t!=ws)}registerPostFixer(t){this._postFixers.add(t)}toJSON(){const t=Ne(this);return t.selection="[engine.model.DocumentSelection]",t.model="[engine.model.Model]",t}_handleChangeBlock(t){this._hasDocumentChangedFromTheLastChangeBlock()&&(this._callPostFixers(t),this.selection.refresh(),this.differ.hasDataChanges()?this.fire("change:data",t.batch):this.fire("change",t.batch),this.selection.refresh(),this.differ.reset()),this._hasSelectionChangedFromTheLastChangeBlock=!1}_hasDocumentChangedFromTheLastChangeBlock(){return!this.differ.isEmpty||this._hasSelectionChangedFromTheLastChangeBlock}_getDefaultRoot(){for(const t of this.roots)if(t!==this.graveyard)return t;return this.graveyard}_getDefaultRange(){const t=this._getDefaultRoot(),e=this.model,n=e.schema,i=e.createPositionFromPath(t,[0]);return n.getNearestSelectionRange(i)||e.createRange(i)}_validateSelectionRange(t){return vs(t.start)&&vs(t.end)}_callPostFixers(t){let e=!1;do{for(const n of this._postFixers)if(this.selection.refresh(),e=n(t))break}while(e)}}function vs(t){const e=t.textNode;if(e){const n=e.data,i=t.offset-e.startOffset;return!ms(n,i)&&!bs(n,i)}return!0}Ie(_s,Ae);class ks{constructor(){this._markers=new Map}[Symbol.iterator](){return this._markers.values()}has(t){return this._markers.has(t)}get(t){return this._markers.get(t)||null}_set(t,e,n=!1,i=!1){const o=t instanceof ys?t.name:t,r=this._markers.get(o);if(r){const t=r.getRange();let s=!1;return t.isEqual(e)||(r._attachLiveRange(Qo.fromRange(e)),s=!0),n!=r.managedUsingOperations&&(r._managedUsingOperations=n,s=!0),"boolean"==typeof i&&i!=r.affectsData&&(r._affectsData=i,s=!0),s&&this.fire("update:"+o,r,t,e),r}const s=Qo.fromRange(e),a=new ys(o,s,n,i);return this._markers.set(o,a),this.fire("update:"+o,a,null,e),a}_remove(t){const e=t instanceof ys?t.name:t,n=this._markers.get(e);return!!n&&(this._markers.delete(e),this.fire("update:"+e,n,n.getRange(),null),this._destroyMarker(n),!0)}_refresh(t){const e=t instanceof ys?t.name:t,n=this._markers.get(e);if(!n)throw new be.b("markercollection-refresh-marker-not-exists: Marker with provided name does not exists.",this);const i=n.getRange();this.fire("update:"+e,n,i,i,n.managedUsingOperations,n.affectsData)}*getMarkersAtPosition(t){for(const e of this)e.getRange().containsPosition(t)&&(yield e)}*getMarkersIntersectingRange(t){for(const e of this)null!==e.getRange().getIntersection(t)&&(yield e)}destroy(){for(const t of this._markers.values())this._destroyMarker(t);this._markers=null,this.stopListening()}*getMarkersGroup(t){for(const e of this._markers.values())e.name.startsWith(t+":")&&(yield e)}_destroyMarker(t){t.stopListening(),t._detachLiveRange()}}Ie(ks,Ae);class ys{constructor(t,e,n,i){this.name=t,this._liveRange=this._attachLiveRange(e),this._managedUsingOperations=n,this._affectsData=i}get managedUsingOperations(){if(!this._liveRange)throw new be.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._managedUsingOperations}get affectsData(){if(!this._liveRange)throw new be.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._affectsData}getStart(){if(!this._liveRange)throw new be.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.start.clone()}getEnd(){if(!this._liveRange)throw new be.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.end.clone()}getRange(){if(!this._liveRange)throw new be.b("marker-destroyed: Cannot use a destroyed marker instance.",this);return this._liveRange.toRange()}is(t){return"marker"==t||"model:marker"==t}_attachLiveRange(t){return this._liveRange&&this._detachLiveRange(),t.delegate("change:range").to(this),t.delegate("change:content").to(this),this._liveRange=t,t}_detachLiveRange(){this._liveRange.stopDelegating("change:range",this),this._liveRange.stopDelegating("change:content",this),this._liveRange.detach(),this._liveRange=null}}Ie(ys,Ae);class xs extends Vo{constructor(t,e,n="toNone"){if(super(t,e,n),!this.root.is("rootElement"))throw new be.b("model-liveposition-root-not-rootelement: LivePosition's root has to be an instance of RootElement.",t);(function(){this.listenTo(this.root.document.model,"applyOperation",(t,e)=>{const n=e[0];n.isDocumentOperation&&function(t){const e=this.getTransformedByOperation(t);if(!this.isEqual(e)){const t=this.toPosition();this.path=e.path,this.root=e.root,this.fire("change",t)}}.call(this,n)},{priority:"low"})}).call(this)}detach(){this.stopListening()}is(t){return"livePosition"==t||"model:livePosition"==t||super.is(t)}toPosition(){return new Vo(this.root,this.path.slice(),this.stickiness)}static fromPosition(t,e){return new this(t.root,t.path.slice(),e||t.stickiness)}}Ie(xs,Ae);class As{constructor(t,e,n){this.model=t,this.writer=e,this.position=n,this.canMergeWith=new Set([this.position.parent]),this.schema=t.schema,this._filterAttributesOf=[],this._affectedStart=null,this._affectedEnd=null}handleNodes(t,e){t=Array.from(t);for(let n=0;n<t.length;n++){const i=t[n];this._handleNode(i,{isFirst:0===n&&e.isFirst,isLast:n===t.length-1&&e.isLast})}this.schema.removeDisallowedAttributes(this._filterAttributesOf,this.writer),this._filterAttributesOf=[]}getSelectionRange(){return this.nodeToSelect?zo._createOn(this.nodeToSelect):this.model.schema.getNearestSelectionRange(this.position)}getAffectedRange(){return this._affectedStart?new zo(this._affectedStart,this._affectedEnd):null}destroy(){this._affectedStart&&this._affectedStart.detach(),this._affectedEnd&&this._affectedEnd.detach()}_handleNode(t,e){this.schema.isObject(t)?this._handleObject(t,e):this._checkAndSplitToAllowedPosition(t,e)?(this._insert(t),this._mergeSiblingsOf(t,e)):this._handleDisallowedNode(t,e)}_handleObject(t,e){this._checkAndSplitToAllowedPosition(t)?this._insert(t):this._tryAutoparagraphing(t,e)}_handleDisallowedNode(t,e){t.is("element")?this.handleNodes(t.getChildren(),e):this._tryAutoparagraphing(t,e)}_insert(t){if(!this.schema.checkChild(this.position,t))throw new be.b("insertcontent-wrong-position: Given node cannot be inserted on the given position.",this,{node:t,position:this.position});const e=xs.fromPosition(this.position,"toNext");this._setAffectedBoundaries(this.position),this.writer.insert(t,this.position),this.position=e.toPosition(),e.detach(),this.schema.isObject(t)&&!this.schema.checkChild(this.position,"$text")?this.nodeToSelect=t:this.nodeToSelect=null,this._filterAttributesOf.push(t)}_setAffectedBoundaries(t){this._affectedStart||(this._affectedStart=xs.fromPosition(t,"toPrevious")),this._affectedEnd&&!this._affectedEnd.isBefore(t)||(this._affectedEnd&&this._affectedEnd.detach(),this._affectedEnd=xs.fromPosition(t,"toNext"))}_mergeSiblingsOf(t,e){if(!(t instanceof Ro))return;const n=this._canMergeLeft(t,e),i=this._canMergeRight(t,e),o=xs._createBefore(t);o.stickiness="toNext";const r=xs._createAfter(t);if(r.stickiness="toNext",n){const t=xs.fromPosition(this.position);t.stickiness="toNext",this._affectedStart.isEqual(o)&&(this._affectedStart.detach(),this._affectedStart=xs._createAt(o.nodeBefore,"end","toPrevious")),this.writer.merge(o),o.isEqual(this._affectedEnd)&&e.isLast&&(this._affectedEnd.detach(),this._affectedEnd=xs._createAt(o.nodeBefore,"end","toNext")),this.position=t.toPosition(),t.detach()}if(i){if(!this.position.isEqual(r))throw new be.b("insertcontent-invalid-insertion-position",this);this.position=Vo._createAt(r.nodeBefore,"end");const t=xs.fromPosition(this.position,"toPrevious");this._affectedEnd.isEqual(r)&&(this._affectedEnd.detach(),this._affectedEnd=xs._createAt(r.nodeBefore,"end","toNext")),this.writer.merge(r),r.getShiftedBy(-1).isEqual(this._affectedStart)&&e.isFirst&&(this._affectedStart.detach(),this._affectedStart=xs._createAt(r.nodeBefore,0,"toPrevious")),this.position=t.toPosition(),t.detach()}(n||i)&&this._filterAttributesOf.push(this.position.parent),o.detach(),r.detach()}_canMergeLeft(t,e){const n=t.previousSibling;return e.isFirst&&n instanceof Ro&&this.canMergeWith.has(n)&&this.model.schema.checkMerge(n,t)}_canMergeRight(t,e){const n=t.nextSibling;return e.isLast&&n instanceof Ro&&this.canMergeWith.has(n)&&this.model.schema.checkMerge(t,n)}_tryAutoparagraphing(t,e){const n=this.writer.createElement("paragraph");this._getAllowedIn(n,this.position.parent)&&this.schema.checkChild(n,t)&&(n._appendChild(t),this._handleNode(n,e))}_checkAndSplitToAllowedPosition(t){const e=this._getAllowedIn(t,this.position.parent);if(!e)return!1;for(;e!=this.position.parent;){if(this.schema.isLimit(this.position.parent))return!1;if(this.position.isAtStart){const t=this.position.parent;this.position=this.writer.createPositionBefore(t),t.isEmpty&&t.parent===e&&this.writer.remove(t)}else if(this.position.isAtEnd)this.position=this.writer.createPositionAfter(this.position.parent);else{const t=this.writer.createPositionAfter(this.position.parent);this._setAffectedBoundaries(this.position),this.writer.split(this.position),this.position=t,this.canMergeWith.add(this.position.nodeAfter)}}return!0}_getAllowedIn(t,e){return this.schema.checkChild(e,t)?e:e.parent?this._getAllowedIn(t,e.parent):null}}function Ts(t,e,n){const i=t.createElement("paragraph");t.insert(i,e),Cs(t,n,t.createPositionAt(i,0))}function Cs(t,e,n){e instanceof Jo?t.setSelection(n):e.setTo(n)}const Ps=' ,.?!:;"-()';function Ss(t,e){if("text"==e.type)return"word"===t.unit?function(t,e){let n=t.position.textNode;if(n){let i=t.position.offset-n.startOffset;for(;!Es(n.data,i,e)&&!Ms(n,i,e);){t.next();const o=e?t.position.nodeAfter:t.position.nodeBefore;if(o&&o.is("text")){const i=o.data.charAt(e?0:o.data.length-1);Ps.includes(i)||(t.next(),n=t.position.textNode)}i=t.position.offset-n.startOffset}}return t.position}(t.walker,t.isForward):function(t,e){const n=t.position.textNode;if(n){const i=n.data;let o=t.position.offset-n.startOffset;for(;ms(i,o)||"character"==e&&bs(i,o);)t.next(),o=t.position.offset-n.startOffset}return t.position}(t.walker,t.unit,t.isForward);if(e.type==(t.isForward?"elementStart":"elementEnd")){if(t.schema.isObject(e.item))return Vo._createAt(e.item,t.isForward?"after":"before");if(t.schema.checkChild(e.nextPosition,"$text"))return e.nextPosition}else{if(t.schema.isLimit(e.item))return void t.walker.skip(()=>!0);if(t.schema.checkChild(e.nextPosition,"$text"))return e.nextPosition}}function Es(t,e,n){const i=e+(n?0:-1);return Ps.includes(t.charAt(i))}function Ms(t,e,n){return e===(n?t.endOffset:0)}function Is(t,e){const n=[];Array.from(t.getItems({direction:"backward"})).map(t=>e.createRangeOn(t)).filter(e=>(e.start.isAfter(t.start)||e.start.isEqual(t.start))&&(e.end.isBefore(t.end)||e.end.isEqual(t.end))).forEach(t=>{n.push(t.start.parent),e.remove(t)}),n.forEach(t=>{let n=t;for(;n.parent&&n.isEmpty;){const t=e.createRangeOn(n);n=n.parent,e.remove(t)}})}function Os(t,e){return t.isCollapsed?function(t,e){const n=t.start,i=e.getNearestSelectionRange(n);if(!i)return null;const o=i.start;return n.isEqual(o)?null:o.nodeAfter&&e.isLimit(o.nodeAfter)?new zo(o,Vo._createAfter(o.nodeAfter)):new zo(o)}(t,e):function(t,e){const n=t.start,i=t.end,o=e.checkChild(n,"$text"),r=e.checkChild(i,"$text"),s=e.getLimitElement(n),a=e.getLimitElement(i);if(s===a){if(o&&r)return null;if(function(t,e,n){const i=t.nodeAfter&&!n.isLimit(t.nodeAfter)||n.checkChild(t,"$text"),o=e.nodeBefore&&!n.isLimit(e.nodeBefore)||n.checkChild(e,"$text");return i||o}(n,i,e)){const t=n.nodeAfter&&e.isObject(n.nodeAfter)?null:e.getNearestSelectionRange(n,"forward"),o=i.nodeBefore&&e.isObject(i.nodeBefore)?null:e.getNearestSelectionRange(i,"backward"),r=t?t.start:n,s=o?o.start:i;return new zo(r,s)}}const c=s&&!s.is("rootElement"),l=a&&!a.is("rootElement");if(c||l){const t=n.nodeAfter&&i.nodeBefore&&n.nodeAfter.parent===i.nodeBefore.parent,o=c&&(!t||!Rs(n.nodeAfter,e)),r=l&&(!t||!Rs(i.nodeBefore,e));let u=n,d=i;return o&&(u=Vo._createBefore(Ns(s,e))),r&&(d=Vo._createAfter(Ns(a,e))),new zo(u,d)}return null}(t,e)}function Ns(t,e){let n=t,i=n;for(;e.isLimit(i)&&i.parent;)n=i,i=i.parent;return n}function Rs(t,e){return t&&e.isObject(t)}class js{constructor(){var t;this.markers=new ks,this.document=new _s(this),this.schema=new kr,this._pendingChanges=[],this._currentWriter=null,["insertContent","deleteContent","modifySelection","getSelectedContent","applyOperation"].forEach(t=>this.decorate(t)),this.on("applyOperation",(t,e)=>{e[0]._validate()},{priority:"highest"}),this.schema.register("$root",{isLimit:!0}),this.schema.register("$block",{allowIn:"$root",isBlock:!0}),this.schema.register("$text",{allowIn:"$block",isInline:!0}),this.schema.register("$clipboardHolder",{allowContentOf:"$root",isLimit:!0}),this.schema.extend("$text",{allowIn:"$clipboardHolder"}),this.schema.register("$marker"),this.schema.addChildCheck((t,e)=>{if("$marker"===e.name)return!0}),(t=this).document.registerPostFixer(e=>(function(t,e){const n=e.document.selection,i=e.schema,o=[];let r=!1;for(const t of n.getRanges()){const e=Os(t,i);e?(o.push(e),r=!0):o.push(t)}if(r){let e=o;if(o.length>1){const t=o[0].start,n=o[o.length-1].end;e=[new zo(t,n)]}t.setSelection(e,{backward:n.isBackward})}})(e,t))}change(t){return 0===this._pendingChanges.length?(this._pendingChanges.push({batch:new Vr,callback:t}),this._runPendingChanges()[0]):t(this._currentWriter)}enqueueChange(t,e){"string"==typeof t?t=new Vr(t):"function"==typeof t&&(e=t,t=new Vr),this._pendingChanges.push({batch:t,callback:e}),1==this._pendingChanges.length&&this._runPendingChanges()}applyOperation(t){t._execute()}insertContent(t,e,n){return function(t,e,n,i){return t.change(o=>{let r;const s=(r=n?n instanceof Ho||n instanceof Jo?n:o.createSelection(n,i):t.document.selection).getFirstPosition();r.isCollapsed||t.deleteContent(r,{doNotAutoparagraph:!0});const a=new As(t,o,s);let c;c=e.is("documentFragment")?e.getChildren():[e],a.handleNodes(c,{isFirst:!0,isLast:!0});const l=a.getSelectionRange();l&&(r instanceof Jo?o.setSelection(l):r.setTo(l));const u=a.getAffectedRange()||t.createRange(s);return a.destroy(),u})}(this,t,e,n)}deleteContent(t,e){!function(t,e,n={}){if(e.isCollapsed)return;const i=e.getFirstRange();if("$graveyard"==i.root.rootName)return;const o=t.schema;t.change(t=>{if(!n.doNotResetEntireContent&&function(t,e){const n=t.getLimitElement(e);if(!e.containsEntireContent(n))return!1;const i=e.getFirstRange();return i.start.parent!=i.end.parent&&t.checkChild(n,"paragraph")}(o,e))return void function(t,e){const n=t.model.schema.getLimitElement(e);t.remove(t.createRangeIn(n)),Ts(t,t.createPositionAt(n,0),e)}(t,e);const r=i.start,s=xs.fromPosition(i.end,"toNext");if(i.start.isTouching(i.end)||t.remove(i),n.leaveUnmerged||(function t(e,n,i){const o=n.parent,r=i.parent;if(o!=r&&!e.model.schema.isLimit(o)&&!e.model.schema.isLimit(r)&&function(t,e,n){const i=new zo(t,e);for(const t of i.getWalker())if(n.isLimit(t.item))return!1;return!0}(n,i,e.model.schema)){for(n=e.createPositionAfter(o),(i=e.createPositionBefore(r)).isEqual(n)||e.insert(r,n),e.merge(n);i.parent.isEmpty;){const t=i.parent;i=e.createPositionBefore(t),e.remove(t)}t(e,n,i)}}(t,r,s),o.removeDisallowedAttributes(r.parent.getChildren(),t)),Cs(t,e,r),function(t,e){const n=t.checkChild(e,"$text"),i=t.checkChild(e,"paragraph");return!n&&i}(o,r)){const i=o.getNearestSelectionRange(r);n.doNotAutoparagraph&&i?Cs(t,e,i):Ts(t,r,e)}s.detach()})}(this,t,e)}modifySelection(t,e){!function(t,e,n={}){const i=t.schema,o="backward"!=n.direction,r=n.unit?n.unit:"character",s=e.focus,a=new jo({boundaries:function(t,e){const n=t.root,i=Vo._createAt(n,e?"end":0);return e?new zo(t,i):new zo(i,t)}(s,o),singleCharacters:!0,direction:o?"forward":"backward"}),c={walker:a,schema:i,isForward:o,unit:r};let l;for(;l=a.next();){if(l.done)return;const n=Ss(c,l.value);if(n)return void(e instanceof Jo?t.change(t=>{t.setSelectionFocus(n)}):e.setFocus(n))}}(this,t,e)}getSelectedContent(t){return function(t,e){return t.change(t=>{const n=t.createDocumentFragment(),i=e.getFirstRange();if(!i||i.isCollapsed)return n;const o=i.start.root,r=i.start.getCommonPath(i.end),s=o.getNodeByPath(r);let a;const c=(a=i.start.parent==i.end.parent?i:t.createRange(t.createPositionAt(s,i.start.path[r.length]),t.createPositionAt(s,i.end.path[r.length]+1))).end.offset-a.start.offset;for(const e of a.getItems({shallow:!0}))e.is("textProxy")?t.appendText(e.data,e.getAttributes(),n):t.append(e._clone(!0),n);if(a!=i){const e=i._getTransformedByMove(a.start,t.createPositionAt(n,0),c)[0],o=t.createRange(t.createPositionAt(n,0),e.start);Is(t.createRange(e.end,t.createPositionAt(n,"end")),t),Is(o,t)}return n})}(this,t)}hasContent(t,e){const n=t instanceof Ro?zo._createIn(t):t;if(n.isCollapsed)return!1;for(const t of this.markers.getMarkersIntersectingRange(n))if(t.affectsData)return!0;const{ignoreWhitespaces:i=!1}=e||{};for(const t of n.getItems())if(t.is("textProxy")){if(!i)return!0;if(-1!==t.data.search(/\S/))return!0}else if(this.schema.isObject(t))return!0;return!1}createPositionFromPath(t,e,n){return new Vo(t,e,n)}createPositionAt(t,e){return Vo._createAt(t,e)}createPositionAfter(t){return Vo._createAfter(t)}createPositionBefore(t){return Vo._createBefore(t)}createRange(t,e){return new zo(t,e)}createRangeIn(t){return zo._createIn(t)}createRangeOn(t){return zo._createOn(t)}createSelection(t,e,n){return new Ho(t,e,n)}createBatch(t){return new Vr(t)}destroy(){this.document.destroy(),this.stopListening()}_runPendingChanges(){const t=[];for(this.fire("_beforeChanges");this._pendingChanges.length;){const e=this._pendingChanges[0].batch;this._currentWriter=new rs(this,e);const n=this._pendingChanges[0].callback(this._currentWriter);t.push(n),this.document._handleChangeBlock(this._currentWriter),this._pendingChanges.shift(),this._currentWriter=null}return this.fire("_afterChanges"),t}}Ie(js,on);class Ds{constructor(){this._listener=Object.create(Ai)}listenTo(t){this._listener.listenTo(t,"keydown",(t,e)=>{this._listener.fire("_keydown:"+Rn(e),e)})}set(t,e,n={}){const i=jn(t),o=n.priority;this._listener.listenTo(this._listener,"_keydown:"+i,(t,n)=>{e(n,()=>{n.preventDefault(),n.stopPropagation(),t.stop()}),t.return=!0},{priority:o})}press(t){return!!this._listener.fire("_keydown:"+Rn(t),t)}destroy(){this._listener.stopListening()}}class Ls extends Ds{constructor(t){super(),this.editor=t}set(t,e,n={}){if("string"==typeof e){const t=e;e=((e,n)=>{this.editor.execute(t),n()})}super.set(t,e,n)}}class Vs{constructor(t){const e=this.constructor.builtinPlugins;this.config=new ge(t,this.constructor.defaultConfig),this.config.define("plugins",e),this.plugins=new pr(this,e),this.commands=new gr;const n=this.config.get("language")||{};this.locale=new br({uiLanguage:"string"==typeof n?n:n.ui,contentLanguage:this.config.get("language.content")}),this.t=this.locale.t,this.set("state","initializing"),this.once("ready",()=>this.state="ready",{priority:"high"}),this.once("destroy",()=>this.state="destroyed",{priority:"high"}),this.set("isReadOnly",!1),this.model=new js,this.data=new Rr(this.model),this.editing=new fr(this.model),this.editing.view.document.bind("isReadOnly").to(this),this.conversion=new jr([this.editing.downcastDispatcher,this.data.downcastDispatcher],this.data.upcastDispatcher),this.conversion.addAlias("dataDowncast",this.data.downcastDispatcher),this.conversion.addAlias("editingDowncast",this.editing.downcastDispatcher),this.keystrokes=new Ls(this),this.keystrokes.listenTo(this.editing.view.document)}initPlugins(){const t=this.config,e=t.get("plugins")||[],n=t.get("removePlugins")||[],i=t.get("extraPlugins")||[];return this.plugins.init(e.concat(i),n)}destroy(){let t=Promise.resolve();return"initializing"==this.state&&(t=new Promise(t=>this.once("ready",t))),t.then(()=>{this.fire("destroy"),this.stopListening(),this.commands.destroy()}).then(()=>this.plugins.destroy()).then(()=>{this.model.destroy(),this.data.destroy(),this.editing.destroy(),this.keystrokes.destroy()})}execute(...t){this.commands.execute(...t)}}Ie(Vs,on);var zs={setData(t){this.data.set(t)},getData(t){return this.data.get(t)}},Fs={updateSourceElement(){if(!this.sourceElement)throw new be.b("editor-missing-sourceelement: Cannot update the source element of a detached editor.",this);var t,e;t=this.sourceElement,e=this.data.get(),t instanceof HTMLTextAreaElement&&(t.value=e),t.innerHTML=e}};class Bs{getHtml(t){const e=document.implementation.createHTMLDocument("").createElement("div");return e.appendChild(t),e.innerHTML}}class Us{constructor(){this._domParser=new DOMParser,this._domConverter=new vi({blockFiller:Zn}),this._htmlWriter=new Bs}toData(t){const e=this._domConverter.viewToDom(t,document);return this._htmlWriter.getHtml(e)}toView(t){const e=this._toDom(t);return this._domConverter.domToView(e)}_toDom(t){const e=this._domParser.parseFromString(t,"text/html"),n=e.createDocumentFragment(),i=e.body.childNodes;for(;i.length>0;)n.appendChild(i[0]);return n}}class $s{constructor(t){this.editor=t,this._components=new Map}*names(){for(const t of this._components.values())yield t.originalName}add(t,e){if(this.has(t))throw new be.b("componentfactory-item-exists: The item already exists in the component factory.",this,{name:t});this._components.set(qs(t),{callback:e,originalName:t})}create(t){if(!this.has(t))throw new be.b("componentfactory-item-missing: The required component is not registered in the factory.",this,{name:t});return this._components.get(qs(t)).callback(this.editor.locale)}has(t){return this._components.has(qs(t))}}function qs(t){return String(t).toLowerCase()}class Hs{constructor(){this.set("isFocused",!1),this.set("focusedElement",null),this._elements=new Set,this._nextEventLoopTimeout=null}add(t){if(this._elements.has(t))throw new be.b("focusTracker-add-element-already-exist",this);this.listenTo(t,"focus",()=>this._focus(t),{useCapture:!0}),this.listenTo(t,"blur",()=>this._blur(),{useCapture:!0}),this._elements.add(t)}remove(t){t===this.focusedElement&&this._blur(t),this._elements.has(t)&&(this.stopListening(t),this._elements.delete(t))}destroy(){this.stopListening()}_focus(t){clearTimeout(this._nextEventLoopTimeout),this.focusedElement=t,this.isFocused=!0}_blur(){clearTimeout(this._nextEventLoopTimeout),this._nextEventLoopTimeout=setTimeout(()=>{this.focusedElement=null,this.isFocused=!1},0)}}Ie(Hs,Ai),Ie(Hs,on);class Ws{constructor(t){this.editor=t,this.componentFactory=new $s(t),this.focusTracker=new Hs,this._editableElementsMap=new Map,this.listenTo(t.editing.view.document,"layoutChanged",()=>this.update())}get element(){return null}update(){this.fire("update")}destroy(){this.stopListening(),this.focusTracker.destroy();for(const t of this._editableElementsMap.values())t.ckeditorInstance=null;this._editableElementsMap=new Map}setEditableElement(t,e){this._editableElementsMap.set(t,e),e.ckeditorInstance||(e.ckeditorInstance=this.editor)}getEditableElement(t="main"){return this._editableElementsMap.get(t)}getEditableElementsNames(){return this._editableElementsMap.keys()}get _editableElements(){return console.warn("editor-ui-deprecated-editable-elements: The EditorUI#_editableElements property has been deprecated and will be removed in the near future.",{editorUI:this}),this._editableElementsMap}}Ie(Ws,Ae),n(14);const Ys=new WeakMap;function Gs(t){const{view:e,element:n,text:i,isDirectHost:o=!0}=t,r=e.document;Ys.has(r)||(Ys.set(r,new Map),r.registerPostFixer(t=>Qs(r,t))),Ys.get(r).set(n,{text:i,isDirectHost:o}),e.change(t=>Qs(r,t))}function Qs(t,e){const n=Ys.get(t);let i=!1;for(const[t,o]of n)Ks(e,t,o)&&(i=!0);return i}function Ks(t,e,n){const{text:i,isDirectHost:o}=n,r=o?e:function(t){if(1===t.childCount){const e=t.getChild(0);if(e.is("element")&&!e.is("uiElement"))return e}return null}(e);let s=!1;return!!r&&(n.hostElement=r,r.getAttribute("data-placeholder")!==i&&(t.setAttribute("data-placeholder",i,r),s=!0),function(t){const e=t.document;if(!e)return!1;const n=!Array.from(t.getChildren()).some(t=>!t.is("uiElement"));if(!e.isFocused&&n)return!0;const i=e.selection.anchor;return!(!n||!i||i.parent===t)}(r)?function(t,e){return!e.hasClass("ck-placeholder")&&(t.addClass("ck-placeholder",e),!0)}(t,r)&&(s=!0):function(t,e){return!!e.hasClass("ck-placeholder")&&(t.removeClass("ck-placeholder",e),!0)}(t,r)&&(s=!0),s)}class Js{constructor(){this._replacedElements=[]}replace(t,e){this._replacedElements.push({element:t,newElement:e}),t.style.display="none",e&&t.parentNode.insertBefore(e,t.nextSibling)}restore(){this._replacedElements.forEach(({element:t,newElement:e})=>{t.style.display="",e&&e.remove()}),this._replacedElements=[]}}class Zs extends Ws{constructor(t,e){super(t),this.view=e,this._toolbarConfig=function(t){return Array.isArray(t)?{items:t}:t?Object.assign({items:[]},t):{items:[]}}(t.config.get("toolbar")),this._elementReplacer=new Js}get element(){return this.view.element}init(t){const e=this.editor,n=this.view,i=e.editing.view,o=n.editable,r=i.document.getRoot();o.name=r.rootName,n.render();const s=o.element;this.setEditableElement(o.name,s),this.focusTracker.add(s),n.editable.bind("isFocused").to(this.focusTracker),i.attachDomRoot(s),t&&this._elementReplacer.replace(t,this.element),this._initPlaceholder(),this._initToolbar(),this.fire("ready")}destroy(){const t=this.view,e=this.editor.editing.view;this._elementReplacer.restore(),e.detachDomRoot(t.editable.name),t.destroy(),super.destroy()}_initToolbar(){const t=this.editor,e=this.view,n=t.editing.view;e.stickyPanel.bind("isActive").to(this.focusTracker,"isFocused"),e.stickyPanel.limiterElement=e.element,this._toolbarConfig.viewportTopOffset&&(e.stickyPanel.viewportTopOffset=this._toolbarConfig.viewportTopOffset),e.toolbar.fillFromConfig(this._toolbarConfig.items,this.componentFactory),function({origin:t,originKeystrokeHandler:e,originFocusTracker:n,toolbar:i,beforeFocus:o,afterBlur:r}){n.add(i.element),e.set("Alt+F10",(t,e)=>{n.isFocused&&!i.focusTracker.isFocused&&(o&&o(),i.focus(),e())}),i.keystrokes.set("Esc",(e,n)=>{i.focusTracker.isFocused&&(t.focus(),r&&r(),n())})}({origin:n,originFocusTracker:this.focusTracker,originKeystrokeHandler:t.keystrokes,toolbar:e.toolbar})}_initPlaceholder(){const t=this.editor,e=t.editing.view,n=e.document.getRoot(),i=t.sourceElement,o=t.config.get("placeholder")||i&&"textarea"===i.tagName.toLowerCase()&&i.getAttribute("placeholder");o&&Gs({view:e,element:n,text:o,isDirectHost:!1})}}class Xs extends kn{constructor(t){super({idProperty:"viewUid"}),this.on("add",(t,e,n)=>{e.isRendered||e.render(),e.element&&this._parentElement&&this._parentElement.insertBefore(e.element,this._parentElement.children[n])}),this.on("remove",(t,e)=>{e.element&&this._parentElement&&e.element.remove()}),this.locale=t,this._parentElement=null}destroy(){this.map(t=>t.destroy())}setParent(t){this._parentElement=t}delegate(...t){if(!t.length||!function(t){return t.every(t=>"string"==typeof t)}(t))throw new be.b("ui-viewcollection-delegate-wrong-events: All event names must be strings.",this);return{to:e=>{for(const n of this)for(const i of t)n.delegate(i).to(e);this.on("add",(n,i)=>{for(const n of t)i.delegate(n).to(e)}),this.on("remove",(n,i)=>{for(const n of t)i.stopDelegating(n,e)})}}}}const ta="http://www.w3.org/1999/xhtml";class ea{constructor(t){Object.assign(this,ua(la(t))),this._isRendered=!1,this._revertData=null}render(){const t=this._renderNode({intoFragment:!0});return this._isRendered=!0,t}apply(t){return this._revertData={children:[],bindings:[],attributes:{}},this._renderNode({node:t,isApplying:!0,revertData:this._revertData}),t}revert(t){if(!this._revertData)throw new be.b("ui-template-revert-not-applied: Attempting to revert a template which has not been applied yet.",[this,t]);this._revertTemplateFromNode(t,this._revertData)}*getViews(){yield*function*t(e){if(e.children)for(const n of e.children)ga(n)?yield n:ma(n)&&(yield*t(n))}(this)}static bind(t,e){return{to:(n,i)=>new ia({eventNameOrFunction:n,attribute:n,observable:t,emitter:e,callback:i}),if:(n,i,o)=>new oa({observable:t,emitter:e,attribute:n,valueIfTrue:i,callback:o})}}static extend(t,e){if(t._isRendered)throw new be.b("template-extend-render: Attempting to extend a template which has already been rendered.",[this,t]);!function t(e,n){if(n.attributes&&(e.attributes||(e.attributes={}),fa(e.attributes,n.attributes)),n.eventListeners&&(e.eventListeners||(e.eventListeners={}),fa(e.eventListeners,n.eventListeners)),n.text&&e.text.push(...n.text),n.children&&n.children.length){if(e.children.length!=n.children.length)throw new be.b("ui-template-extend-children-mismatch: The number of children in extended definition does not match.",e);let i=0;for(const o of n.children)t(e.children[i++],o)}}(t,ua(la(e)))}_renderNode(t){let e;if(e=t.node?this.tag&&this.text:this.tag?this.text:!this.text)throw new be.b('ui-template-wrong-syntax: Node definition must have either "tag" or "text" when rendering a new Node.',this);return this.text?this._renderText(t):this._renderElement(t)}_renderElement(t){let e=t.node;return e||(e=t.node=document.createElementNS(this.ns||ta,this.tag)),this._renderAttributes(t),this._renderElementChildren(t),this._setUpListeners(t),e}_renderText(t){let e=t.node;return e?t.revertData.text=e.textContent:e=t.node=document.createTextNode(""),ra(this.text)?this._bindToObservable({schema:this.text,updater:function(t){return{set(e){t.textContent=e},remove(){t.textContent=""}}}(e),data:t}):e.textContent=this.text.join(""),e}_renderAttributes(t){let e,n,i,o;if(!this.attributes)return;const r=t.node,s=t.revertData;for(e in this.attributes)if(i=r.getAttribute(e),n=this.attributes[e],s&&(s.attributes[e]=i),o=C(n[0])&&n[0].ns?n[0].ns:null,ra(n)){const a=o?n[0].value:n;s&&wa(e)&&a.unshift(i),this._bindToObservable({schema:a,updater:aa(r,e,o),data:t})}else"style"==e&&"string"!=typeof n[0]?this._renderStyleAttribute(n[0],t):(s&&i&&wa(e)&&n.unshift(i),pa(n=n.map(t=>t&&t.value||t).reduce((t,e)=>t.concat(e),[]).reduce(ha,""))||r.setAttributeNS(o,e,n))}_renderStyleAttribute(t,e){const n=e.node;for(const i in t){const o=t[i];ra(o)?this._bindToObservable({schema:[o],updater:ca(n,i),data:e}):n.style[i]=o}}_renderElementChildren(t){const e=t.node,n=t.intoFragment?document.createDocumentFragment():e,i=t.isApplying;let o=0;for(const r of this.children)if(ba(r)){if(!i){r.setParent(e);for(const t of r)n.appendChild(t.element)}}else if(ga(r))i||(r.isRendered||r.render(),n.appendChild(r.element));else if(fi(r))n.appendChild(r);else if(i){const e={children:[],bindings:[],attributes:{}};t.revertData.children.push(e),r._renderNode({node:n.childNodes[o++],isApplying:!0,revertData:e})}else n.appendChild(r.render());t.intoFragment&&e.appendChild(n)}_setUpListeners(t){if(this.eventListeners)for(const e in this.eventListeners){const n=this.eventListeners[e].map(n=>{const[i,o]=e.split("@");return n.activateDomEventListener(i,o,t)});t.revertData&&t.revertData.bindings.push(n)}}_bindToObservable({schema:t,updater:e,data:n}){const i=n.revertData;sa(t,e,n);const o=t.filter(t=>!pa(t)).filter(t=>t.observable).map(i=>i.activateAttributeListener(t,e,n));i&&i.bindings.push(o)}_revertTemplateFromNode(t,e){for(const t of e.bindings)for(const e of t)e();if(e.text)t.textContent=e.text;else{for(const n in e.attributes){const i=e.attributes[n];null===i?t.removeAttribute(n):t.setAttribute(n,i)}for(let n=0;n<e.children.length;++n)this._revertTemplateFromNode(t.childNodes[n],e.children[n])}}}Ie(ea,Ae);class na{constructor(t){Object.assign(this,t)}getValue(t){const e=this.observable[this.attribute];return this.callback?this.callback(e,t):e}activateAttributeListener(t,e,n){const i=()=>sa(t,e,n);return this.emitter.listenTo(this.observable,"change:"+this.attribute,i),()=>{this.emitter.stopListening(this.observable,"change:"+this.attribute,i)}}}class ia extends na{activateDomEventListener(t,e,n){const i=(t,n)=>{e&&!n.target.matches(e)||("function"==typeof this.eventNameOrFunction?this.eventNameOrFunction(n):this.observable.fire(this.eventNameOrFunction,n))};return this.emitter.listenTo(n.node,t,i),()=>{this.emitter.stopListening(n.node,t,i)}}}class oa extends na{getValue(t){return!pa(super.getValue(t))&&(this.valueIfTrue||!0)}}function ra(t){return!!t&&(t.value&&(t=t.value),Array.isArray(t)?t.some(ra):t instanceof na)}function sa(t,e,{node:n}){let i=function(t,e){return t.map(t=>t instanceof na?t.getValue(e):t)}(t,n);pa(i=1==t.length&&t[0]instanceof oa?i[0]:i.reduce(ha,""))?e.remove():e.set(i)}function aa(t,e,n){return{set(i){t.setAttributeNS(n,e,i)},remove(){t.removeAttributeNS(n,e)}}}function ca(t,e){return{set(n){t.style[e]=n},remove(){t.style[e]=null}}}function la(t){return fe(t,t=>{if(t&&(t instanceof na||ma(t)||ga(t)||ba(t)))return t})}function ua(t){if("string"==typeof t?t=function(t){return{text:[t]}}(t):t.text&&function(t){Array.isArray(t.text)||(t.text=[t.text])}(t),t.on&&(t.eventListeners=function(t){for(const e in t)da(t,e);return t}(t.on),delete t.on),!t.text){t.attributes&&function(t){for(const e in t)t[e].value&&(t[e].value=[].concat(t[e].value)),da(t,e)}(t.attributes);const e=[];if(t.children)if(ba(t.children))e.push(t.children);else for(const n of t.children)ma(n)||ga(n)||fi(n)?e.push(n):e.push(new ea(n));t.children=e}return t}function da(t,e){Array.isArray(t[e])||(t[e]=[t[e]])}function ha(t,e){return pa(e)?t:pa(t)?e:`${t} ${e}`}function fa(t,e){for(const n in e)t[n]?t[n].push(...e[n]):t[n]=e[n]}function pa(t){return!t&&0!==t}function ga(t){return t instanceof _a}function ma(t){return t instanceof ea}function ba(t){return t instanceof Xs}function wa(t){return"class"==t||"style"==t}n(16);class _a{constructor(t){this.element=null,this.isRendered=!1,this.locale=t,this.t=t&&t.t,this._viewCollections=new kn,this._unboundChildren=this.createCollection(),this._viewCollections.on("add",(e,n)=>{n.locale=t}),this.decorate("render")}get bindTemplate(){return this._bindTemplate?this._bindTemplate:this._bindTemplate=ea.bind(this,this)}createCollection(){const t=new Xs;return this._viewCollections.add(t),t}registerChild(t){Ve(t)||(t=[t]);for(const e of t)this._unboundChildren.add(e)}deregisterChild(t){Ve(t)||(t=[t]);for(const e of t)this._unboundChildren.remove(e)}setTemplate(t){this.template=new ea(t)}extendTemplate(t){ea.extend(this.template,t)}render(){if(this.isRendered)throw new be.b("ui-view-render-already-rendered: This View has already been rendered.",this);this.template&&(this.element=this.template.render(),this.registerChild(this.template.getViews())),this.isRendered=!0}destroy(){this.stopListening(),this._viewCollections.map(t=>t.destroy()),this.template&&this.template._revertData&&this.template.revert(this.element)}}Ie(_a,Ai),Ie(_a,on),n(18);class va extends _a{constructor(t){super(t),this.body=this.createCollection()}render(){super.render(),this._renderBodyCollection()}destroy(){return this._bodyCollectionContainer.remove(),super.destroy()}_renderBodyCollection(){const t=this.locale,e=this._bodyCollectionContainer=new ea({tag:"div",attributes:{class:["ck","ck-reset_all","ck-body","ck-rounded-corners"],dir:t.uiLanguageDirection},children:this.body}).render();document.body.appendChild(e)}}n(20);class ka extends _a{constructor(t){super(t),this.set("text"),this.set("for");const e=this.bindTemplate;this.setTemplate({tag:"label",attributes:{class:["ck","ck-label"],for:e.to("for")},children:[{text:e.to("text")}]})}}class ya extends va{constructor(t){super(t);const e=ve();this.top=this.createCollection(),this.main=this.createCollection(),this._voiceLabelView=this._createVoiceLabel(e),this.setTemplate({tag:"div",attributes:{class:["ck","ck-reset","ck-editor","ck-rounded-corners"],role:"application",dir:t.uiLanguageDirection,lang:t.uiLanguage,"aria-labelledby":`ck-editor__aria-label_${e}`},children:[this._voiceLabelView,{tag:"div",attributes:{class:["ck","ck-editor__top","ck-reset_all"],role:"presentation"},children:this.top},{tag:"div",attributes:{class:["ck","ck-editor__main"],role:"presentation"},children:this.main}]})}_createVoiceLabel(t){const e=this.t,n=new ka;return n.text=e("bn"),n.extendTemplate({attributes:{id:`ck-editor__aria-label_${t}`,class:"ck-voice-label"}}),n}}class xa extends _a{constructor(t,e,n){super(t),this.setTemplate({tag:"div",attributes:{class:["ck","ck-content","ck-editor__editable","ck-rounded-corners"],lang:t.contentLanguage,dir:t.contentLanguageDirection}}),this.name=null,this.set("isFocused",!1),this._editableElement=n,this._hasExternalElement=!!this._editableElement,this._editingView=e}render(){super.render(),this._hasExternalElement?this.template.apply(this.element=this._editableElement):this._editableElement=this.element,this.on("change:isFocused",()=>this._updateIsFocusedClasses()),this._updateIsFocusedClasses()}destroy(){this._hasExternalElement&&this.template.revert(this._editableElement),super.destroy()}_updateIsFocusedClasses(){const t=this._editingView;function e(e){t.change(n=>{const i=t.document.getRoot(e.name);n.addClass(e.isFocused?"ck-focused":"ck-blurred",i),n.removeClass(e.isFocused?"ck-blurred":"ck-focused",i)})}t.isRenderingInProgress?function n(i){t.once("change:isRenderingInProgress",(t,o,r)=>{r?n(i):e(i)})}(this):e(this)}}class Aa extends xa{constructor(t,e,n){super(t,e,n),this.extendTemplate({attributes:{role:"textbox",class:"ck-editor__editable_inline"}})}render(){super.render();const t=this._editingView,e=this.t;t.change(n=>{const i=t.document.getRoot(this.name);n.setAttribute("aria-label",e("bm",[this.name]),i)})}}function Ta(t){return e=>e+t}n(22);const Ca=Ta("px");class Pa extends _a{constructor(t){super(t);const e=this.bindTemplate;this.set("isActive",!1),this.set("isSticky",!1),this.set("limiterElement",null),this.set("limiterBottomOffset",50),this.set("viewportTopOffset",0),this.set("_marginLeft",null),this.set("_isStickyToTheLimiter",!1),this.set("_hasViewportTopOffset",!1),this.content=this.createCollection(),this._contentPanelPlaceholder=new ea({tag:"div",attributes:{class:["ck","ck-sticky-panel__placeholder"],style:{display:e.to("isSticky",t=>t?"block":"none"),height:e.to("isSticky",t=>t?Ca(this._panelRect.height):null)}}}).render(),this._contentPanel=new ea({tag:"div",attributes:{class:["ck","ck-sticky-panel__content",e.if("isSticky","ck-sticky-panel__content_sticky"),e.if("_isStickyToTheLimiter","ck-sticky-panel__content_sticky_bottom-limit")],style:{width:e.to("isSticky",t=>t?Ca(this._contentPanelPlaceholder.getBoundingClientRect().width):null),top:e.to("_hasViewportTopOffset",t=>t?Ca(this.viewportTopOffset):null),bottom:e.to("_isStickyToTheLimiter",t=>t?Ca(this.limiterBottomOffset):null),marginLeft:e.to("_marginLeft")}},children:this.content}).render(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-sticky-panel"]},children:[this._contentPanelPlaceholder,this._contentPanel]})}render(){super.render(),this._checkIfShouldBeSticky(),this.listenTo(bi.window,"scroll",()=>{this._checkIfShouldBeSticky()}),this.listenTo(this,"change:isActive",()=>{this._checkIfShouldBeSticky()})}_checkIfShouldBeSticky(){const t=this._panelRect=this._contentPanel.getBoundingClientRect();let e;this.limiterElement?(e=this._limiterRect=this.limiterElement.getBoundingClientRect(),this.isSticky=this.isActive&&e.top<this.viewportTopOffset&&this._panelRect.height+this.limiterBottomOffset<e.height):this.isSticky=!1,this.isSticky?(this._isStickyToTheLimiter=e.bottom<t.height+this.limiterBottomOffset+this.viewportTopOffset,this._hasViewportTopOffset=!this._isStickyToTheLimiter&&!!this.viewportTopOffset,this._marginLeft=this._isStickyToTheLimiter?null:Ca(-bi.window.scrollX)):(this._isStickyToTheLimiter=!1,this._hasViewportTopOffset=!1,this._marginLeft=null)}}class Sa{constructor(t){if(Object.assign(this,t),t.actions&&t.keystrokeHandler)for(const e in t.actions){let n=t.actions[e];"string"==typeof n&&(n=[n]);for(const i of n)t.keystrokeHandler.set(i,(t,n)=>{this[e](),n()})}}get first(){return this.focusables.find(Ea)||null}get last(){return this.focusables.filter(Ea).slice(-1)[0]||null}get next(){return this._getFocusableItem(1)}get previous(){return this._getFocusableItem(-1)}get current(){let t=null;return null===this.focusTracker.focusedElement?null:(this.focusables.find((e,n)=>{const i=e.element===this.focusTracker.focusedElement;return i&&(t=n),i}),t)}focusFirst(){this._focus(this.first)}focusLast(){this._focus(this.last)}focusNext(){this._focus(this.next)}focusPrevious(){this._focus(this.previous)}_focus(t){t&&t.focus()}_getFocusableItem(t){const e=this.current,n=this.focusables.length;if(!n)return null;if(null===e)return this[1===t?"first":"last"];let i=(e+n+t)%n;do{const e=this.focusables.get(i);if(Ea(e))return e;i=(i+n+t)%n}while(i!==e);return null}}function Ea(t){return!(!t.focus||"none"==bi.window.getComputedStyle(t.element).display)}class Ma extends _a{constructor(t){super(t),this.setTemplate({tag:"span",attributes:{class:["ck","ck-toolbar__separator"]}})}}n(24);class Ia extends _a{constructor(t){super(t);const e=this.bindTemplate,n=this.t;this.set("ariaLabel",n("bl")),this.items=this.createCollection(),this.focusTracker=new Hs,this.keystrokes=new Ds,this.set("isVertical",!1),this.set("class"),this._focusCycler=new Sa({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:["arrowleft","arrowup"],focusNext:["arrowright","arrowdown"]}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-toolbar",e.if("isVertical","ck-toolbar_vertical"),e.to("class")],role:"toolbar","aria-label":e.to("ariaLabel")},children:this.items,on:{mousedown:function(t){return t.bindTemplate.to(e=>{e.target===t.element&&e.preventDefault()})}(this)}})}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.items.on("add",(t,e)=>{this.focusTracker.add(e.element)}),this.items.on("remove",(t,e)=>{this.focusTracker.remove(e.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}fillFromConfig(t,e){t.map(t=>{"|"==t?this.items.add(new Ma):e.has(t)?this.items.add(e.create(t)):console.warn(Object(be.a)("toolbarview-item-unavailable: The requested toolbar item is unavailable."),{name:t})})}}n(26);class Oa extends ya{constructor(t,e){super(t),this.stickyPanel=new Pa(t),this.toolbar=new Ia(t),this.editable=new Aa(t,e)}render(){super.render(),this.stickyPanel.content.add(this.toolbar),this.top.add(this.stickyPanel),this.main.add(this.editable)}}class Na extends Vs{constructor(t,e){super(e),pe(t)&&(this.sourceElement=t),this.data.processor=new Us,this.model.document.createRoot(),this.ui=new Zs(this,new Oa(this.locale,this.editing.view)),function(t){if(!P(t.updateSourceElement))throw new be.b("attachtoform-missing-elementapi-interface: Editor passed to attachToForm() must implement ElementApi.",t);const e=t.sourceElement;if(e&&"textarea"===e.tagName.toLowerCase()&&e.form){let n;const i=e.form,o=()=>t.updateSourceElement();P(i.submit)&&(n=i.submit,i.submit=(()=>{o(),n.apply(i)})),i.addEventListener("submit",o),t.on("destroy",()=>{i.removeEventListener("submit",o),n&&(i.submit=n)})}}(this)}destroy(){return this.sourceElement&&this.updateSourceElement(),this.ui.destroy(),super.destroy()}static create(t,e={}){return new Promise(n=>{const i=new this(t,e);n(i.initPlugins().then(()=>i.ui.init(pe(t)?t:null)).then(()=>{if(!pe(t)&&e.initialData)throw new be.b("editor-create-initial-data: The config.initialData option cannot be used together with initial data passed in Editor.create().",null);const n=e.initialData||function(t){return pe(t)?function(t){return t instanceof HTMLTextAreaElement?t.value:t.innerHTML}(t):t}(t);return i.data.init(n)}).then(()=>i.fire("ready")).then(()=>i))})}}Ie(Na,zs),Ie(Na,Fs);class Ra{constructor(t){this.editor=t}destroy(){this.stopListening()}}Ie(Ra,on);class ja{constructor(t){this.files=function(t){const e=t.files?Array.from(t.files):[],n=t.items?Array.from(t.items):[];return e.length?e:n.filter(t=>"file"===t.kind).map(t=>t.getAsFile())}(t),this._native=t}get types(){return this._native.types}getData(t){return this._native.getData(t)}setData(t,e){this._native.setData(t,e)}}class Da extends Yi{constructor(t){super(t);const e=this.document;function n(t,n){n.preventDefault();const i=n.dropRange?[n.dropRange]:Array.from(e.selection.getRanges()),o=new _e(e,"clipboardInput");e.fire(o,{dataTransfer:n.dataTransfer,targetRanges:i}),o.stop.called&&n.stopPropagation()}this.domEventType=["paste","copy","cut","drop","dragover"],this.listenTo(e,"paste",n,{priority:"low"}),this.listenTo(e,"drop",n,{priority:"low"})}onDomEvent(t){const e={dataTransfer:new ja(t.clipboardData?t.clipboardData:t.dataTransfer)};"drop"==t.type&&(e.dropRange=function(t,e){const n=e.target.ownerDocument,i=e.clientX,o=e.clientY;let r;return n.caretRangeFromPoint&&n.caretRangeFromPoint(i,o)?r=n.caretRangeFromPoint(i,o):e.rangeParent&&((r=n.createRange()).setStart(e.rangeParent,e.rangeOffset),r.collapse(!0)),r?t.domConverter.domRangeToView(r):t.document.selection.getFirstRange()}(this.view,t)),this.fire(t.type,t,e)}}const La=["figcaption","li"];class Va extends Ra{static get pluginName(){return"Clipboard"}init(){const t=this.editor,e=t.model.document,n=t.editing.view,i=n.document;function o(n,o){const r=o.dataTransfer;o.preventDefault();const s=t.data.toView(t.model.getSelectedContent(e.selection));i.fire("clipboardOutput",{dataTransfer:r,content:s,method:n.name})}this._htmlDataProcessor=new Us,n.addObserver(Da),this.listenTo(i,"clipboardInput",e=>{t.isReadOnly&&e.stop()},{priority:"highest"}),this.listenTo(i,"clipboardInput",(t,e)=>{const i=e.dataTransfer;let o="";i.getData("text/html")?o=i.getData("text/html").replace(/<span(?: class="Apple-converted-space"|)>(\s+)<\/span>/g,(t,e)=>1==e.length?" ":e):i.getData("text/plain")&&(o=function(t){return(t=t.replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/\n/g,"</p><p>").replace(/^\s/,"&nbsp;").replace(/\s$/,"&nbsp;").replace(/\s\s/g," &nbsp;")).indexOf("</p><p>")>-1&&(t=`<p>${t}</p>`),t}(i.getData("text/plain"))),o=this._htmlDataProcessor.toView(o),this.fire("inputTransformation",{content:o,dataTransfer:i}),n.scrollToTheSelection()},{priority:"low"}),this.listenTo(this,"inputTransformation",(t,e)=>{if(!e.content.isEmpty){const t=this.editor.data,n=this.editor.model,i=t.toModel(e.content,"$clipboardHolder");if(0==i.childCount)return;n.insertContent(i)}},{priority:"low"}),this.listenTo(i,"copy",o,{priority:"low"}),this.listenTo(i,"cut",(e,n)=>{t.isReadOnly?n.preventDefault():o(e,n)},{priority:"low"}),this.listenTo(i,"clipboardOutput",(n,i)=>{i.content.isEmpty||(i.dataTransfer.setData("text/html",this._htmlDataProcessor.toData(i.content)),i.dataTransfer.setData("text/plain",function t(e){let n="";if(e.is("text")||e.is("textProxy"))n=e.data;else if(e.is("img")&&e.hasAttribute("alt"))n=e.getAttribute("alt");else{let i=null;for(const o of e.getChildren()){const e=t(o);i&&(i.is("containerElement")||o.is("containerElement"))&&(La.includes(i.name)||La.includes(o.name)?n+="\n":n+="\n\n"),n+=e,i=o}}return n}(i.content))),"cut"==i.method&&t.model.deleteContent(e.selection)},{priority:"low"})}}class za{constructor(t){this.editor=t,this.set("value",void 0),this.set("isEnabled",!1),this._disableStack=new Set,this.decorate("execute"),this.listenTo(this.editor.model.document,"change",()=>{this.refresh()}),this.on("execute",t=>{this.isEnabled||t.stop()},{priority:"high"}),this.listenTo(t,"change:isReadOnly",(t,e,n)=>{n?this.forceDisabled("readOnlyMode"):this.clearForceDisabled("readOnlyMode")})}refresh(){this.isEnabled=!0}forceDisabled(t){this._disableStack.add(t),1==this._disableStack.size&&(this.on("set:isEnabled",Fa,{priority:"highest"}),this.isEnabled=!1)}clearForceDisabled(t){this._disableStack.delete(t),0==this._disableStack.size&&(this.off("set:isEnabled",Fa),this.refresh())}execute(){}destroy(){this.stopListening()}}function Fa(t){t.return=!1,t.stop()}function*Ba(t,e){for(const n of e)n&&t.getAttributeProperties(n[0]).copyOnEnter&&(yield n)}Ie(za,on);class Ua extends za{execute(){const t=this.editor.model,e=t.document;t.change(n=>{!function(t,e,n,i){const o=n.isCollapsed,r=n.getFirstRange(),s=r.start.parent,a=r.end.parent;if(i.isLimit(s)||i.isLimit(a))o||s!=a||t.deleteContent(n);else if(o){const t=Ba(e.model.schema,n.getAttributes());$a(e,r.start),e.setSelectionAttribute(t)}else{const i=!(r.start.isAtStart&&r.end.isAtEnd),o=s==a;t.deleteContent(n,{leaveUnmerged:i}),i&&(o?$a(e,n.focus):e.setSelection(a,0))}}(this.editor.model,n,e.selection,t.schema),this.fire("afterExecute",{writer:n})})}}function $a(t,e){t.split(e),t.setSelection(e.parent.nextSibling,0)}class qa extends Pi{constructor(t){super(t);const e=this.document;e.on("keydown",(t,n)=>{if(this.isEnabled&&n.keyCode==Nn.enter){let i;e.once("enter",t=>i=t,{priority:"highest"}),e.fire("enter",new Wi(e,n.domEvent,{isSoft:n.shiftKey})),i&&i.stop.called&&t.stop()}})}observe(){}}class Ha extends Ra{static get pluginName(){return"Enter"}init(){const t=this.editor,e=t.editing.view,n=e.document;e.addObserver(qa),t.commands.add("enter",new Ua(t)),this.listenTo(n,"enter",(n,i)=>{i.preventDefault(),i.isSoft||(t.execute("enter"),e.scrollToTheSelection())},{priority:"low"})}}class Wa extends za{execute(){const t=this.editor.model,e=t.document;t.change(n=>{!function(t,e,n){const i=n.isCollapsed,o=n.getFirstRange(),r=o.start.parent,s=o.end.parent,a=r==s;if(i){const i=Ba(t.schema,n.getAttributes());Ya(e,o.end),e.removeSelectionAttribute(n.getAttributeKeys()),e.setSelectionAttribute(i)}else{const i=!(o.start.isAtStart&&o.end.isAtEnd);t.deleteContent(n,{leaveUnmerged:i}),a?Ya(e,n.focus):i&&e.setSelection(s,0)}}(t,n,e.selection),this.fire("afterExecute",{writer:n})})}refresh(){const t=this.editor.model,e=t.document;this.isEnabled=function(t,e){if(e.rangeCount>1)return!1;const n=e.anchor;if(!n||!t.checkChild(n,"softBreak"))return!1;const i=e.getFirstRange(),o=i.start.parent,r=i.end.parent;return!Ga(o,t)&&!Ga(r,t)||o===r}(t.schema,e.selection)}}function Ya(t,e){const n=t.createElement("softBreak");t.insert(n,e),t.setSelection(n,"after")}function Ga(t,e){return!t.is("rootElement")&&(e.isLimit(t)||Ga(t.parent,e))}class Qa extends Ra{static get pluginName(){return"ShiftEnter"}init(){const t=this.editor,e=t.model.schema,n=t.conversion,i=t.editing.view,o=i.document;e.register("softBreak",{allowWhere:"$text",isInline:!0}),n.for("upcast").elementToElement({model:"softBreak",view:"br"}),n.for("downcast").elementToElement({model:"softBreak",view:(t,e)=>e.createEmptyElement("br")}),i.addObserver(qa),t.commands.add("shiftEnter",new Wa(t)),this.listenTo(o,"enter",(e,n)=>{n.preventDefault(),n.isSoft&&(t.execute("shiftEnter"),i.scrollToTheSelection())},{priority:"low"})}}class Ka{constructor(t,e=20){this.model=t,this.size=0,this.limit=e,this.isLocked=!1,this._changeCallback=((t,e)=>{"transparent"!=e.type&&e!==this._batch&&this._reset(!0)}),this._selectionChangeCallback=(()=>{this._reset()}),this.model.document.on("change",this._changeCallback),this.model.document.selection.on("change:range",this._selectionChangeCallback),this.model.document.selection.on("change:attribute",this._selectionChangeCallback)}get batch(){return this._batch||(this._batch=this.model.createBatch()),this._batch}input(t){this.size+=t,this.size>=this.limit&&this._reset(!0)}lock(){this.isLocked=!0}unlock(){this.isLocked=!1}destroy(){this.model.document.off("change",this._changeCallback),this.model.document.selection.off("change:range",this._selectionChangeCallback),this.model.document.selection.off("change:attribute",this._selectionChangeCallback)}_reset(t){this.isLocked&&!t||(this._batch=null,this.size=0)}}class Ja extends za{constructor(t,e){super(t),this._buffer=new Ka(t.model,e),this._batches=new WeakSet}get buffer(){return this._buffer}destroy(){super.destroy(),this._buffer.destroy()}execute(t={}){const e=this.editor.model,n=e.document,i=t.text||"",o=i.length,r=t.range||n.selection.getFirstRange(),s=t.resultRange;e.enqueueChange(this._buffer.batch,t=>{const a=r.isCollapsed;this._buffer.lock(),e.deleteContent(e.createSelection(r)),i&&e.insertContent(t.createText(i,n.selection.getAttributes()),r.start),s?t.setSelection(s):a&&t.setSelection(r.start.getShiftedBy(o)),this._buffer.unlock(),this._buffer.input(o),this._batches.add(this._buffer.batch)})}}const Za=[Rn("arrowUp"),Rn("arrowRight"),Rn("arrowDown"),Rn("arrowLeft"),9,16,17,18,19,20,27,33,34,35,36,45,91,93,144,145,173,174,175,176,177,178,179,255];for(let t=112;t<=135;t++)Za.push(t);function Xa(t){if(t.newChildren.length-t.oldChildren.length!=1)return;const e=function(t,e){const n=[];let i,o=0;return t.forEach(t=>{"equal"==t?(r(),o++):"insert"==t?(s("insert")?i.values.push(e[o]):(r(),i={type:"insert",index:o,values:[e[o]]}),o++):s("delete")?i.howMany++:(r(),i={type:"delete",index:o,howMany:1})}),r(),n;function r(){i&&(n.push(i),i=null)}function s(t){return i&&i.type==t}}(ui(t.oldChildren,t.newChildren,tc),t.newChildren);if(e.length>1)return;const n=e[0];return n.values[0]&&n.values[0].is("text")?n:void 0}function tc(t,e){return t&&t.is("text")&&e&&e.is("text")?t.data===e.data:t===e}class ec{constructor(t){this.editor=t,this.editing=this.editor.editing}handle(t,e){if(function(t){if(0==t.length)return!1;for(const e of t)if("children"===e.type&&!Xa(e))return!0;return!1}(t))this._handleContainerChildrenMutations(t,e);else for(const n of t)this._handleTextMutation(n,e),this._handleTextNodeInsertion(n)}_handleContainerChildrenMutations(t,e){const n=function(t){const e=t.map(t=>t.node).reduce((t,e)=>t.getCommonAncestor(e,{includeSelf:!0}));if(e)return e.getAncestors({includeSelf:!0,parentFirst:!0}).find(t=>t.is("containerElement")||t.is("rootElement"))}(t);if(!n)return;const i=this.editor.editing.view.domConverter.mapViewToDom(n),o=new vi,r=this.editor.data.toModel(o.domToView(i)).getChild(0),s=this.editor.editing.mapper.toModelElement(n);if(!s)return;const a=Array.from(r.getChildren()),c=Array.from(s.getChildren()),l=a[a.length-1],u=c[c.length-1];l&&l.is("softBreak")&&u&&!u.is("softBreak")&&a.pop();const d=this.editor.model.schema;if(!nc(a,d)||!nc(c,d))return;const h=a.map(t=>t.is("text")?t.data:"@").join("").replace(/\u00A0/g," "),f=c.map(t=>t.is("text")?t.data:"@").join("").replace(/\u00A0/g," ");if(f===h)return;const p=ui(f,h),{firstChangeAt:g,insertions:m,deletions:b}=ic(p);let w=null;e&&(w=this.editing.mapper.toModelRange(e.getFirstRange()));const _=h.substr(g,m),v=this.editor.model.createRange(this.editor.model.createPositionAt(s,g),this.editor.model.createPositionAt(s,g+b));this.editor.execute("input",{text:_,range:v,resultRange:w})}_handleTextMutation(t,e){if("text"!=t.type)return;const n=t.newText.replace(/\u00A0/g," "),i=t.oldText.replace(/\u00A0/g," ");if(i===n)return;const o=ui(i,n),{firstChangeAt:r,insertions:s,deletions:a}=ic(o);let c=null;e&&(c=this.editing.mapper.toModelRange(e.getFirstRange()));const l=this.editing.view.createPositionAt(t.node,r),u=this.editing.mapper.toModelPosition(l),d=this.editor.model.createRange(u,u.getShiftedBy(a)),h=n.substr(r,s);this.editor.execute("input",{text:h,range:d,resultRange:c})}_handleTextNodeInsertion(t){if("children"!=t.type)return;const e=Xa(t),n=this.editing.view.createPositionAt(t.node,e.index),i=this.editing.mapper.toModelPosition(n),o=e.values[0].data;this.editor.execute("input",{text:o.replace(/\u00A0/g," "),range:this.editor.model.createRange(i)})}}function nc(t,e){return t.every(t=>e.isInline(t))}function ic(t){let e=null,n=null;for(let i=0;i<t.length;i++)"equal"!=t[i]&&(e=null===e?i:e,n=i);let i=0,o=0;for(let r=e;r<=n;r++)"insert"!=t[r]&&i++,"delete"!=t[r]&&o++;return{insertions:o,deletions:i,firstChangeAt:e}}class oc extends Ra{static get pluginName(){return"Input"}init(){const t=this.editor,e=new Ja(t,t.config.get("typing.undoStep")||20);t.commands.add("input",e),function(t){let e=null;const n=t.model,i=t.editing.view,o=t.commands.get("input");function r(t){const r=n.document,a=i.document.isComposing,c=e&&e.isEqual(r.selection);e=null,o.isEnabled&&(function(t){return!!t.ctrlKey||Za.includes(t.keyCode)}(t)||r.selection.isCollapsed||a&&229===t.keyCode||!a&&229===t.keyCode&&c||s())}function s(){const t=o.buffer;t.lock(),n.enqueueChange(t.batch,()=>{n.deleteContent(n.document.selection)}),t.unlock()}Mn.isAndroid?i.document.on("beforeinput",(t,e)=>r(e),{priority:"lowest"}):i.document.on("keydown",(t,e)=>r(e),{priority:"lowest"}),i.document.on("compositionstart",function(){const t=n.document,e=1!==t.selection.rangeCount||t.selection.getFirstRange().isFlat;t.selection.isCollapsed||e||s()},{priority:"lowest"}),i.document.on("compositionend",()=>{e=n.createSelection(n.document.selection)},{priority:"lowest"})}(t),function(t){t.editing.view.document.on("mutations",(e,n,i)=>{new ec(t).handle(n,i)})}(t)}isInput(t){return this.editor.commands.get("input")._batches.has(t)}}class rc extends za{constructor(t,e){super(t),this.direction=e,this._buffer=new Ka(t.model,t.config.get("typing.undoStep"))}get buffer(){return this._buffer}execute(t={}){const e=this.editor.model,n=e.document;e.enqueueChange(this._buffer.batch,i=>{this._buffer.lock();const o=i.createSelection(t.selection||n.selection),r=o.isCollapsed;if(o.isCollapsed&&e.modifySelection(o,{direction:this.direction,unit:t.unit}),this._shouldEntireContentBeReplacedWithParagraph(t.sequence||1))return void this._replaceEntireContentWithParagraph(i);if(o.isCollapsed)return;let s=0;o.getFirstRange().getMinimalFlatRanges().forEach(t=>{s+=wn(t.getWalker({singleCharacters:!0,ignoreElementEnd:!0,shallow:!0}))}),e.deleteContent(o,{doNotResetEntireContent:r}),this._buffer.input(s),i.setSelection(o),this._buffer.unlock()})}_shouldEntireContentBeReplacedWithParagraph(t){if(t>1)return!1;const e=this.editor.model,n=e.document.selection,i=e.schema.getLimitElement(n);if(!n.isCollapsed||!n.containsEntireContent(i))return!1;if(!e.schema.checkChild(i,"paragraph"))return!1;const o=i.getChild(0);return!o||"paragraph"!==o.name}_replaceEntireContentWithParagraph(t){const e=this.editor.model,n=e.document.selection,i=e.schema.getLimitElement(n),o=t.createElement("paragraph");t.remove(t.createRangeIn(i)),t.insert(o,i),t.setSelection(o,0)}}class sc extends Pi{constructor(t){super(t);const e=t.document;let n=0;function i(t,n,i){let o;e.once("delete",t=>o=t,{priority:Number.POSITIVE_INFINITY}),e.fire("delete",new Wi(e,n,i)),o&&o.stop.called&&t.stop()}e.on("keyup",(t,e)=>{e.keyCode!=Nn.delete&&e.keyCode!=Nn.backspace||(n=0)}),e.on("keydown",(t,e)=>{const o={};if(e.keyCode==Nn.delete)o.direction="forward",o.unit="character";else{if(e.keyCode!=Nn.backspace)return;o.direction="backward",o.unit="codePoint"}const r=Mn.isMac?e.altKey:e.ctrlKey;o.unit=r?"word":o.unit,o.sequence=++n,i(t,e.domEvent,o)}),Mn.isAndroid&&e.on("beforeinput",(e,n)=>{if("deleteContentBackward"!=n.domEvent.inputType)return;const o={unit:"codepoint",direction:"backward",sequence:1},r=n.domTarget.ownerDocument.defaultView.getSelection();r.anchorNode==r.focusNode&&r.anchorOffset+1!=r.focusOffset&&(o.selectionToRemove=t.domConverter.domSelectionToView(r)),i(e,n.domEvent,o)})}observe(){}}class ac extends Ra{static get pluginName(){return"Delete"}init(){const t=this.editor,e=t.editing.view,n=e.document;if(e.addObserver(sc),t.commands.add("forwardDelete",new rc(t,"forward")),t.commands.add("delete",new rc(t,"backward")),this.listenTo(n,"delete",(n,i)=>{const o={unit:i.unit,sequence:i.sequence};if(i.selectionToRemove){const e=t.model.createSelection(),n=[];for(const e of i.selectionToRemove.getRanges())n.push(t.editing.mapper.toModelRange(e));e.setTo(n),o.selection=e}t.execute("forward"==i.direction?"forwardDelete":"delete",o),i.preventDefault(),e.scrollToTheSelection()}),Mn.isAndroid){let t=null;this.listenTo(n,"delete",(e,n)=>{const i=n.domTarget.ownerDocument.defaultView.getSelection();t={anchorNode:i.anchorNode,anchorOffset:i.anchorOffset,focusNode:i.focusNode,focusOffset:i.focusOffset}},{priority:"lowest"}),this.listenTo(n,"keyup",(e,n)=>{if(t){const e=n.domTarget.ownerDocument.defaultView.getSelection();e.collapse(t.anchorNode,t.anchorOffset),e.extend(t.focusNode,t.focusOffset),t=null}})}}}class cc extends Ra{static get requires(){return[oc,ac]}static get pluginName(){return"Typing"}}class lc extends zr{get type(){return"noop"}clone(){return new lc(this.baseVersion)}getReversed(){return new lc(this.baseVersion+1)}_execute(){}static get className(){return"NoOperation"}}const uc=new Map;function dc(t,e,n){let i=uc.get(t);i||(i=new Map,uc.set(t,i)),i.set(e,n)}function hc(t){return[t]}function fc(t,e,n={}){const i=function(t,e){const n=uc.get(t);return n&&n.has(e)?n.get(e):hc}(t.constructor,e.constructor);try{return i(t=t.clone(),e,n)}catch(t){throw t}}function pc(t,e,n){t=t.slice(),e=e.slice();const i=new gc(n.document,n.useRelations,n.forceWeakRemove);i.setOriginalOperations(t),i.setOriginalOperations(e);const o=i.originalOperations;if(0==t.length||0==e.length)return{operationsA:t,operationsB:e,originalOperations:o};const r=new WeakMap;for(const e of t)r.set(e,0);const s={nextBaseVersionA:t[t.length-1].baseVersion+1,nextBaseVersionB:e[e.length-1].baseVersion+1,originalOperationsACount:t.length,originalOperationsBCount:e.length};let a=0;for(;a<t.length;){const n=t[a],o=r.get(n);if(o==e.length){a++;continue}const s=e[o],c=fc(n,s,i.getContext(n,s,!0)),l=fc(s,n,i.getContext(s,n,!1));i.updateRelation(n,s),i.setOriginalOperations(c,n),i.setOriginalOperations(l,s);for(const t of c)r.set(t,o+l.length);t.splice(a,1,...c),e.splice(o,1,...l)}if(n.padWithNoOps){const n=t.length-s.originalOperationsACount,i=e.length-s.originalOperationsBCount;bc(t,i-n),bc(e,n-i)}return mc(t,s.nextBaseVersionB),mc(e,s.nextBaseVersionA),{operationsA:t,operationsB:e,originalOperations:o}}class gc{constructor(t,e,n=!1){this.originalOperations=new Map,this._history=t.history,this._useRelations=e,this._forceWeakRemove=!!n,this._relations=new Map}setOriginalOperations(t,e=null){const n=e?this.originalOperations.get(e):null;for(const e of t)this.originalOperations.set(e,n||e)}updateRelation(t,e){switch(t.constructor){case Jr:switch(e.constructor){case ns:t.targetPosition.isEqual(e.sourcePosition)||e.movedRange.containsPosition(t.targetPosition)?this._setRelation(t,e,"insertAtSource"):t.targetPosition.isEqual(e.deletionPosition)?this._setRelation(t,e,"insertBetween"):t.targetPosition.isAfter(e.sourcePosition)&&this._setRelation(t,e,"moveTargetAfter");break;case Jr:t.targetPosition.isEqual(e.sourcePosition)||t.targetPosition.isBefore(e.sourcePosition)?this._setRelation(t,e,"insertBefore"):this._setRelation(t,e,"insertAfter")}break;case is:switch(e.constructor){case ns:t.splitPosition.isBefore(e.sourcePosition)&&this._setRelation(t,e,"splitBefore");break;case Jr:(t.splitPosition.isEqual(e.sourcePosition)||t.splitPosition.isBefore(e.sourcePosition))&&this._setRelation(t,e,"splitBefore")}break;case ns:switch(e.constructor){case ns:t.targetPosition.isEqual(e.sourcePosition)||this._setRelation(t,e,"mergeTargetNotMoved"),t.sourcePosition.isEqual(e.targetPosition)&&this._setRelation(t,e,"mergeSourceNotMoved"),t.sourcePosition.isEqual(e.sourcePosition)&&this._setRelation(t,e,"mergeSameElement");break;case is:t.sourcePosition.isEqual(e.splitPosition)&&this._setRelation(t,e,"splitAtSource")}break;case Xr:{const n=t.newRange;if(!n)return;switch(e.constructor){case Jr:{const i=zo._createFromPositionAndShift(e.sourcePosition,e.howMany),o=i.containsPosition(n.start)||i.start.isEqual(n.start),r=i.containsPosition(n.end)||i.end.isEqual(n.end);!o&&!r||i.containsRange(n)||this._setRelation(t,e,{side:o?"left":"right",path:o?n.start.path.slice():n.end.path.slice()});break}case ns:{const i=n.start.isEqual(e.targetPosition),o=n.start.isEqual(e.deletionPosition),r=n.end.isEqual(e.deletionPosition),s=n.end.isEqual(e.sourcePosition);(i||o||r||s)&&this._setRelation(t,e,{wasInLeftElement:i,wasStartBeforeMergedElement:o,wasEndBeforeMergedElement:r,wasInRightElement:s});break}}break}}}getContext(t,e,n){return{aIsStrong:n,aWasUndone:this._wasUndone(t),bWasUndone:this._wasUndone(e),abRelation:this._useRelations?this._getRelation(t,e):null,baRelation:this._useRelations?this._getRelation(e,t):null,forceWeakRemove:this._forceWeakRemove}}_wasUndone(t){const e=this.originalOperations.get(t);return e.wasUndone||this._history.isUndoneOperation(e)}_getRelation(t,e){const n=this.originalOperations.get(e),i=this._history.getUndoneOperation(n);if(!i)return null;const o=this.originalOperations.get(t),r=this._relations.get(o);return r&&r.get(i)||null}_setRelation(t,e,n){const i=this.originalOperations.get(t),o=this.originalOperations.get(e);let r=this._relations.get(i);r||(r=new Map,this._relations.set(i,r)),r.set(o,n)}}function mc(t,e){for(const n of t)n.baseVersion=e++}function bc(t,e){for(let n=0;n<e;n++)t.push(new lc(0))}function wc(t,e,n){const i=t.nodes.getNode(0).getAttribute(e);if(i==n)return null;const o=new zo(t.position,t.position.getShiftedBy(t.howMany));return new Qr(o,e,i,n,0)}function _c(t,e){return null===t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany)}function vc(t,e){const n=[];for(let i=0;i<t.length;i++){const o=t[i],r=new Jr(o.start,o.end.offset-o.start.offset,e,0);n.push(r);for(let e=i+1;e<t.length;e++)t[e]=t[e]._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)[0];e=e._getTransformedByMove(r.sourcePosition,r.targetPosition,r.howMany)}return n}dc(Qr,Qr,(t,e,n)=>{if(t.key===e.key){const i=t.range.getDifference(e.range).map(e=>new Qr(e,t.key,t.oldValue,t.newValue,0)),o=t.range.getIntersection(e.range);return o&&n.aIsStrong&&i.push(new Qr(o,e.key,e.newValue,t.newValue,0)),0==i.length?[new lc(0)]:i}return[t]}),dc(Qr,Zr,(t,e)=>{if(t.range.start.hasSameParentAs(e.position)&&t.range.containsPosition(e.position)){const n=t.range._getTransformedByInsertion(e.position,e.howMany,!e.shouldReceiveAttributes).map(e=>new Qr(e,t.key,t.oldValue,t.newValue,t.baseVersion));if(e.shouldReceiveAttributes){const i=wc(e,t.key,t.oldValue);i&&n.unshift(i)}return n}return t.range=t.range._getTransformedByInsertion(e.position,e.howMany,!1)[0],[t]}),dc(Qr,ns,(t,e)=>{const n=[];t.range.start.hasSameParentAs(e.deletionPosition)&&(t.range.containsPosition(e.deletionPosition)||t.range.start.isEqual(e.deletionPosition))&&n.push(zo._createFromPositionAndShift(e.graveyardPosition,1));const i=t.range._getTransformedByMergeOperation(e);return i.isCollapsed||n.push(i),n.map(e=>new Qr(e,t.key,t.oldValue,t.newValue,t.baseVersion))}),dc(Qr,Jr,(t,e)=>(function(t,e){const n=zo._createFromPositionAndShift(e.sourcePosition,e.howMany);let i=null,o=[];n.containsRange(t,!0)?i=t:t.start.hasSameParentAs(n.start)?(o=t.getDifference(n),i=t.getIntersection(n)):o=[t];const r=[];for(let t of o){t=t._getTransformedByDeletion(e.sourcePosition,e.howMany);const n=e.getMovedRangeStart(),i=t.start.hasSameParentAs(n);t=t._getTransformedByInsertion(n,e.howMany,i),r.push(...t)}return i&&r.push(i._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany,!1)[0]),r})(t.range,e).map(e=>new Qr(e,t.key,t.oldValue,t.newValue,t.baseVersion))),dc(Qr,is,(t,e)=>{if(t.range.end.isEqual(e.insertionPosition))return e.graveyardPosition||t.range.end.offset++,[t];if(t.range.start.hasSameParentAs(e.splitPosition)&&t.range.containsPosition(e.splitPosition)){const n=t.clone();return n.range=new zo(e.moveTargetPosition.clone(),t.range.end._getCombined(e.splitPosition,e.moveTargetPosition)),t.range.end=e.splitPosition.clone(),t.range.end.stickiness="toPrevious",[t,n]}return t.range=t.range._getTransformedBySplitOperation(e),[t]}),dc(Zr,Qr,(t,e)=>{const n=[t];if(t.shouldReceiveAttributes&&t.position.hasSameParentAs(e.range.start)&&e.range.containsPosition(t.position)){const i=wc(t,e.key,e.newValue);i&&n.push(i)}return n}),dc(Zr,Zr,(t,e,n)=>t.position.isEqual(e.position)&&n.aIsStrong?[t]:(t.position=t.position._getTransformedByInsertOperation(e),[t])),dc(Zr,Jr,(t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t])),dc(Zr,is,(t,e)=>(t.position=t.position._getTransformedBySplitOperation(e),[t])),dc(Zr,ns,(t,e)=>(t.position=t.position._getTransformedByMergeOperation(e),[t])),dc(Xr,Zr,(t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByInsertOperation(e)[0]),t.newRange&&(t.newRange=t.newRange._getTransformedByInsertOperation(e)[0]),[t])),dc(Xr,Xr,(t,e,n)=>{if(t.name==e.name){if(!n.aIsStrong)return[new lc(0)];t.oldRange=e.newRange?e.newRange.clone():null}return[t]}),dc(Xr,ns,(t,e)=>(t.oldRange&&(t.oldRange=t.oldRange._getTransformedByMergeOperation(e)),t.newRange&&(t.newRange=t.newRange._getTransformedByMergeOperation(e)),[t])),dc(Xr,Jr,(t,e,n)=>{if(t.oldRange&&(t.oldRange=zo._createFromRanges(t.oldRange._getTransformedByMoveOperation(e))),t.newRange){if(n.abRelation){const i=zo._createFromRanges(t.newRange._getTransformedByMoveOperation(e));if("left"==n.abRelation.side&&e.targetPosition.isEqual(t.newRange.start))return t.newRange.start.path=n.abRelation.path,t.newRange.end=i.end,[t];if("right"==n.abRelation.side&&e.targetPosition.isEqual(t.newRange.end))return t.newRange.start=i.start,t.newRange.end.path=n.abRelation.path,[t]}t.newRange=zo._createFromRanges(t.newRange._getTransformedByMoveOperation(e))}return[t]}),dc(Xr,is,(t,e,n)=>{if(t.oldRange&&(t.oldRange=t.oldRange._getTransformedBySplitOperation(e)),t.newRange){if(n.abRelation){const i=t.newRange._getTransformedBySplitOperation(e);return t.newRange.start.isEqual(e.splitPosition)&&n.abRelation.wasStartBeforeMergedElement?t.newRange.start=Vo._createAt(e.insertionPosition):t.newRange.start.isEqual(e.splitPosition)&&!n.abRelation.wasInLeftElement&&(t.newRange.start=Vo._createAt(e.moveTargetPosition)),t.newRange.end.isEqual(e.splitPosition)&&n.abRelation.wasInRightElement?t.newRange.end=Vo._createAt(e.moveTargetPosition):t.newRange.end.isEqual(e.splitPosition)&&n.abRelation.wasEndBeforeMergedElement?t.newRange.end=Vo._createAt(e.insertionPosition):t.newRange.end=i.end,[t]}t.newRange=t.newRange._getTransformedBySplitOperation(e)}return[t]}),dc(ns,Zr,(t,e)=>(t.sourcePosition.hasSameParentAs(e.position)&&(t.howMany+=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByInsertOperation(e),t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e),[t])),dc(ns,ns,(t,e,n)=>{if(t.sourcePosition.isEqual(e.sourcePosition)&&t.targetPosition.isEqual(e.targetPosition)){if(n.bWasUndone){const n=e.graveyardPosition.path.slice();return n.push(0),t.sourcePosition=new Vo(e.graveyardPosition.root,n),t.howMany=0,[t]}return[new lc(0)]}if(t.sourcePosition.isEqual(e.sourcePosition)&&!t.targetPosition.isEqual(e.targetPosition)&&!n.bWasUndone&&"splitAtSource"!=n.abRelation){const i="$graveyard"==t.targetPosition.root.rootName,o="$graveyard"==e.targetPosition.root.rootName;if(o&&!i||(!i||o)&&n.aIsStrong){const n=e.targetPosition._getTransformedByMergeOperation(e),i=t.targetPosition._getTransformedByMergeOperation(e);return[new Jr(n,t.howMany,i,0)]}return[new lc(0)]}return t.sourcePosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByMergeOperation(e),t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),t.graveyardPosition.isEqual(e.graveyardPosition)&&n.aIsStrong||(t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)),[t]}),dc(ns,Jr,(t,e,n)=>{const i=zo._createFromPositionAndShift(e.sourcePosition,e.howMany);return"remove"==e.type&&!n.bWasUndone&&!n.forceWeakRemove&&t.deletionPosition.hasSameParentAs(e.sourcePosition)&&i.containsPosition(t.sourcePosition)?[new lc(0)]:(t.sourcePosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.sourcePosition.hasSameParentAs(e.sourcePosition)&&(t.howMany-=e.howMany),t.sourcePosition=t.sourcePosition._getTransformedByMoveOperation(e),t.targetPosition=t.targetPosition._getTransformedByMoveOperation(e),t.graveyardPosition.isEqual(e.targetPosition)||(t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)),[t])}),dc(ns,is,(t,e,n)=>{if(e.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedByDeletion(e.graveyardPosition,1),t.deletionPosition.isEqual(e.graveyardPosition)&&(t.howMany=e.howMany)),t.targetPosition.isEqual(e.splitPosition)){const i=0!=e.howMany,o=e.graveyardPosition&&t.deletionPosition.isEqual(e.graveyardPosition);if(i||o||"mergeTargetNotMoved"==n.abRelation)return t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e),[t]}if(t.sourcePosition.isEqual(e.splitPosition)){if("mergeSourceNotMoved"==n.abRelation)return t.howMany=0,t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t];if("mergeSameElement"==n.abRelation||t.sourcePosition.offset>0)return t.sourcePosition=e.moveTargetPosition.clone(),t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t]}return t.sourcePosition.hasSameParentAs(e.splitPosition)&&(t.howMany=e.splitPosition.offset),t.sourcePosition=t.sourcePosition._getTransformedBySplitOperation(e),t.targetPosition=t.targetPosition._getTransformedBySplitOperation(e),[t]}),dc(Jr,Zr,(t,e)=>{const n=zo._createFromPositionAndShift(t.sourcePosition,t.howMany)._getTransformedByInsertOperation(e,!1)[0];return t.sourcePosition=n.start,t.howMany=n.end.offset-n.start.offset,t.targetPosition.isEqual(e.position)||(t.targetPosition=t.targetPosition._getTransformedByInsertOperation(e)),[t]}),dc(Jr,Jr,(t,e,n)=>{const i=zo._createFromPositionAndShift(t.sourcePosition,t.howMany),o=zo._createFromPositionAndShift(e.sourcePosition,e.howMany);let r,s=n.aIsStrong,a=!n.aIsStrong;if("insertBefore"==n.abRelation||"insertAfter"==n.baRelation?a=!0:"insertAfter"!=n.abRelation&&"insertBefore"!=n.baRelation||(a=!1),r=t.targetPosition.isEqual(e.targetPosition)&&a?t.targetPosition._getTransformedByDeletion(e.sourcePosition,e.howMany):t.targetPosition._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),_c(t,e)&&_c(e,t))return[e.getReversed()];if(i.containsPosition(e.targetPosition)&&i.containsRange(o,!0))return i.start=i.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),i.end=i.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),vc([i],r);if(o.containsPosition(t.targetPosition)&&o.containsRange(i,!0))return i.start=i.start._getCombined(e.sourcePosition,e.getMovedRangeStart()),i.end=i.end._getCombined(e.sourcePosition,e.getMovedRangeStart()),vc([i],r);const c=Oe(t.sourcePosition.getParentPath(),e.sourcePosition.getParentPath());if("prefix"==c||"extension"==c)return i.start=i.start._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),i.end=i.end._getTransformedByMove(e.sourcePosition,e.targetPosition,e.howMany),vc([i],r);"remove"!=t.type||"remove"==e.type||n.aWasUndone||n.forceWeakRemove?"remove"==t.type||"remove"!=e.type||n.bWasUndone||n.forceWeakRemove||(s=!1):s=!0;const l=[],u=i.getDifference(o);for(const t of u){t.start=t.start._getTransformedByDeletion(e.sourcePosition,e.howMany),t.end=t.end._getTransformedByDeletion(e.sourcePosition,e.howMany);const n="same"==Oe(t.start.getParentPath(),e.getMovedRangeStart().getParentPath()),i=t._getTransformedByInsertion(e.getMovedRangeStart(),e.howMany,n);l.push(...i)}const d=i.getIntersection(o);return null!==d&&s&&(d.start=d.start._getCombined(e.sourcePosition,e.getMovedRangeStart()),d.end=d.end._getCombined(e.sourcePosition,e.getMovedRangeStart()),0===l.length?l.push(d):1==l.length?o.start.isBefore(i.start)||o.start.isEqual(i.start)?l.unshift(d):l.push(d):l.splice(1,0,d)),0===l.length?[new lc(t.baseVersion)]:vc(l,r)}),dc(Jr,is,(t,e,n)=>{let i=t.targetPosition.clone();t.targetPosition.isEqual(e.insertionPosition)&&e.graveyardPosition&&"moveTargetAfter"!=n.abRelation||(i=t.targetPosition._getTransformedBySplitOperation(e));const o=zo._createFromPositionAndShift(t.sourcePosition,t.howMany);if(o.end.isEqual(e.insertionPosition))return e.graveyardPosition||t.howMany++,t.targetPosition=i,[t];if(o.start.hasSameParentAs(e.splitPosition)&&o.containsPosition(e.splitPosition)){let t=new zo(e.splitPosition,o.end);return t=t._getTransformedBySplitOperation(e),vc([new zo(o.start,e.splitPosition),t],i)}t.targetPosition.isEqual(e.splitPosition)&&"insertAtSource"==n.abRelation&&(i=e.moveTargetPosition),t.targetPosition.isEqual(e.insertionPosition)&&"insertBetween"==n.abRelation&&(i=t.targetPosition);const r=[o._getTransformedBySplitOperation(e)];if(e.graveyardPosition){const i=o.start.isEqual(e.graveyardPosition)||o.containsPosition(e.graveyardPosition);t.howMany>1&&i&&!n.aWasUndone&&r.push(zo._createFromPositionAndShift(e.insertionPosition,1))}return vc(r,i)}),dc(Jr,ns,(t,e,n)=>{const i=zo._createFromPositionAndShift(t.sourcePosition,t.howMany);if(e.deletionPosition.hasSameParentAs(t.sourcePosition)&&i.containsPosition(e.sourcePosition))if("remove"!=t.type||n.forceWeakRemove){if(1==t.howMany)return n.bWasUndone?(t.sourcePosition=e.graveyardPosition.clone(),t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),[t]):[new lc(0)]}else if(!n.aWasUndone){const n=[];let i=e.graveyardPosition.clone(),o=e.targetPosition._getTransformedByMergeOperation(e);t.howMany>1&&(n.push(new Jr(t.sourcePosition,t.howMany-1,t.targetPosition,0)),i=i._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany-1),o=o._getTransformedByMove(t.sourcePosition,t.targetPosition,t.howMany-1));const r=e.deletionPosition._getCombined(t.sourcePosition,t.targetPosition),s=new Jr(i,1,r,0),a=s.getMovedRangeStart().path.slice();a.push(0);const c=new Vo(s.targetPosition.root,a);o=o._getTransformedByMove(i,r,1);const l=new Jr(o,e.howMany,c,0);return n.push(s),n.push(l),n}const o=zo._createFromPositionAndShift(t.sourcePosition,t.howMany)._getTransformedByMergeOperation(e);return t.sourcePosition=o.start,t.howMany=o.end.offset-o.start.offset,t.targetPosition=t.targetPosition._getTransformedByMergeOperation(e),[t]}),dc(ts,Zr,(t,e)=>(t.position=t.position._getTransformedByInsertOperation(e),[t])),dc(ts,ns,(t,e)=>t.position.isEqual(e.deletionPosition)?(t.position=e.graveyardPosition.clone(),t.position.stickiness="toNext",[t]):(t.position=t.position._getTransformedByMergeOperation(e),[t])),dc(ts,Jr,(t,e)=>(t.position=t.position._getTransformedByMoveOperation(e),[t])),dc(ts,ts,(t,e,n)=>{if(t.position.isEqual(e.position)){if(!n.aIsStrong)return[new lc(0)];t.oldName=e.newName}return[t]}),dc(ts,is,(t,e)=>"same"!=Oe(t.position.path,e.splitPosition.getParentPath())||e.graveyardPosition?(t.position=t.position._getTransformedBySplitOperation(e),[t]):[t,new ts(t.position.getShiftedBy(1),t.oldName,t.newName,0)]),dc(es,es,(t,e,n)=>{if(t.root===e.root&&t.key===e.key){if(!n.aIsStrong||t.newValue===e.newValue)return[new lc(0)];t.oldValue=e.newValue}return[t]}),dc(is,Zr,(t,e)=>(t.splitPosition.hasSameParentAs(e.position)&&t.splitPosition.offset<e.position.offset&&(t.howMany+=e.howMany),t.splitPosition=t.splitPosition._getTransformedByInsertOperation(e),t.insertionPosition=is.getInsertionPosition(t.splitPosition),[t])),dc(is,ns,(t,e,n)=>{if(!t.graveyardPosition&&!n.bWasUndone&&t.splitPosition.hasSameParentAs(e.sourcePosition)){const n=e.graveyardPosition.path.slice();n.push(0);const i=new Vo(e.graveyardPosition.root,n),o=is.getInsertionPosition(new Vo(e.graveyardPosition.root,n)),r=new is(i,0,null,0);return r.insertionPosition=o,t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e),t.insertionPosition=is.getInsertionPosition(t.splitPosition),t.graveyardPosition=r.insertionPosition.clone(),t.graveyardPosition.stickiness="toNext",[r,t]}return t.splitPosition.hasSameParentAs(e.deletionPosition)&&!t.splitPosition.isAfter(e.deletionPosition)&&t.howMany--,t.splitPosition.hasSameParentAs(e.targetPosition)&&(t.howMany+=e.howMany),t.splitPosition=t.splitPosition._getTransformedByMergeOperation(e),t.insertionPosition=is.getInsertionPosition(t.splitPosition),t.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedByMergeOperation(e)),[t]}),dc(is,Jr,(t,e,n)=>{const i=zo._createFromPositionAndShift(e.sourcePosition,e.howMany);if(t.graveyardPosition){const o=i.start.isEqual(t.graveyardPosition)||i.containsPosition(t.graveyardPosition);if(!n.bWasUndone&&o){const n=t.splitPosition._getTransformedByMoveOperation(e),i=t.graveyardPosition._getTransformedByMoveOperation(e),o=i.path.slice();o.push(0);const r=new Vo(i.root,o);return[new Jr(n,t.howMany,r,0)]}t.graveyardPosition=t.graveyardPosition._getTransformedByMoveOperation(e)}if(t.splitPosition.hasSameParentAs(e.sourcePosition)&&i.containsPosition(t.splitPosition)){const n=e.howMany-(t.splitPosition.offset-e.sourcePosition.offset);return t.howMany-=n,t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset<e.targetPosition.offset&&(t.howMany+=e.howMany),t.splitPosition=e.sourcePosition.clone(),t.insertionPosition=is.getInsertionPosition(t.splitPosition),[t]}return!t.splitPosition.isEqual(e.targetPosition)||"insertAtSource"!=n.baRelation&&"splitBefore"!=n.abRelation?(e.sourcePosition.isEqual(e.targetPosition)||(t.splitPosition.hasSameParentAs(e.sourcePosition)&&t.splitPosition.offset<=e.sourcePosition.offset&&(t.howMany-=e.howMany),t.splitPosition.hasSameParentAs(e.targetPosition)&&t.splitPosition.offset<e.targetPosition.offset&&(t.howMany+=e.howMany)),t.splitPosition.stickiness="toNone",t.splitPosition=t.splitPosition._getTransformedByMoveOperation(e),t.splitPosition.stickiness="toNext",t.graveyardPosition?t.insertionPosition=t.insertionPosition._getTransformedByMoveOperation(e):t.insertionPosition=is.getInsertionPosition(t.splitPosition),[t]):(t.howMany+=e.howMany,t.splitPosition=t.splitPosition._getTransformedByDeletion(e.sourcePosition,e.howMany),t.insertionPosition=is.getInsertionPosition(t.splitPosition),[t])}),dc(is,is,(t,e,n)=>{if(t.splitPosition.isEqual(e.splitPosition)){if(!t.graveyardPosition&&!e.graveyardPosition)return[new lc(0)];if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition))return[new lc(0)];if("splitBefore"==n.abRelation)return t.howMany=0,t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e),[t]}if(t.graveyardPosition&&e.graveyardPosition&&t.graveyardPosition.isEqual(e.graveyardPosition)){const i="$graveyard"==t.splitPosition.root.rootName,o="$graveyard"==e.splitPosition.root.rootName;if(o&&!i||(!i||o)&&n.aIsStrong){const n=[];return e.howMany&&n.push(new Jr(e.moveTargetPosition,e.howMany,e.splitPosition,0)),t.howMany&&n.push(new Jr(t.splitPosition,t.howMany,t.moveTargetPosition,0)),n}return[new lc(0)]}if(t.graveyardPosition&&(t.graveyardPosition=t.graveyardPosition._getTransformedBySplitOperation(e)),t.splitPosition.isEqual(e.insertionPosition)&&"splitBefore"==n.abRelation)return t.howMany++,[t];if(e.splitPosition.isEqual(t.insertionPosition)&&"splitBefore"==n.baRelation){const n=e.insertionPosition.path.slice();n.push(0);const i=new Vo(e.insertionPosition.root,n);return[t,new Jr(t.insertionPosition,1,i,0)]}return t.splitPosition.hasSameParentAs(e.splitPosition)&&t.splitPosition.offset<e.splitPosition.offset&&(t.howMany-=e.howMany),t.splitPosition=t.splitPosition._getTransformedBySplitOperation(e),t.insertionPosition=is.getInsertionPosition(t.splitPosition),[t]});class kc extends za{constructor(t){super(t),this._stack=[],this._createdBatches=new WeakSet,this.refresh()}refresh(){this.isEnabled=this._stack.length>0}addBatch(t){const e=this.editor.model.document.selection,n={ranges:e.hasOwnRange?Array.from(e.getRanges()):[],isBackward:e.isBackward};this._stack.push({batch:t,selection:n}),this.refresh()}clearStack(){this._stack=[],this.refresh()}_restoreSelection(t,e,n){const i=this.editor.model,o=i.document,r=[];for(const e of t){const t=yc(e,n).find(t=>t.start.root!=o.graveyard);t&&r.push(t)}r.length&&i.change(t=>{t.setSelection(r,{backward:e})})}_undo(t,e){const n=this.editor.model,i=n.document;this._createdBatches.add(e);const o=t.operations.slice().filter(t=>t.isDocumentOperation);o.reverse();for(const t of o){const o=t.baseVersion+1,r=Array.from(i.history.getOperations(o)),s=pc([t.getReversed()],r,{useRelations:!0,document:this.editor.model.document,padWithNoOps:!1,forceWeakRemove:!0}).operationsA;for(const o of s)e.addOperation(o),n.applyOperation(o),i.history.setOperationAsUndone(t,o)}}}function yc(t,e){const n=t.getTransformedByOperations(e);n.sort((t,e)=>t.start.isBefore(e.start)?-1:1);for(let t=1;t<n.length;t++){const e=n[t-1],i=n[t];e.end.isTouching(i.start)&&(e.end=i.end,n.splice(t,1),t--)}return n}class xc extends kc{execute(t=null){const e=t?this._stack.findIndex(e=>e.batch==t):this._stack.length-1,n=this._stack.splice(e,1)[0],i=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(i,()=>{this._undo(n.batch,i);const t=this.editor.model.document.history.getOperations(n.batch.baseVersion);this._restoreSelection(n.selection.ranges,n.selection.isBackward,t),this.fire("revert",n.batch,i)}),this.refresh()}}class Ac extends kc{execute(){const t=this._stack.pop(),e=this.editor.model.createBatch("transparent");this.editor.model.enqueueChange(e,()=>{const n=t.batch.operations[t.batch.operations.length-1].baseVersion+1,i=this.editor.model.document.history.getOperations(n);this._restoreSelection(t.selection.ranges,t.selection.isBackward,i),this._undo(t.batch,e)}),this.refresh()}}class Tc extends Ra{constructor(t){super(t),this._batchRegistry=new WeakSet}init(){const t=this.editor;this._undoCommand=new xc(t),this._redoCommand=new Ac(t),t.commands.add("undo",this._undoCommand),t.commands.add("redo",this._redoCommand),this.listenTo(t.model,"applyOperation",(t,e)=>{const n=e[0];if(!n.isDocumentOperation)return;const i=n.batch,o=this._redoCommand._createdBatches.has(i),r=this._undoCommand._createdBatches.has(i);this._batchRegistry.has(i)||"transparent"==i.type&&!o&&!r||(o?this._undoCommand.addBatch(i):r||(this._undoCommand.addBatch(i),this._redoCommand.clearStack()),this._batchRegistry.add(i))},{priority:"highest"}),this.listenTo(this._undoCommand,"revert",(t,e,n)=>{this._redoCommand.addBatch(n)}),t.keystrokes.set("CTRL+Z","undo"),t.keystrokes.set("CTRL+Y","redo"),t.keystrokes.set("CTRL+SHIFT+Z","redo")}}n(28);class Cc extends _a{constructor(){super();const t=this.bindTemplate;this.set("content",""),this.set("viewBox","0 0 20 20"),this.set("fillColor",""),this.setTemplate({tag:"svg",ns:"http://www.w3.org/2000/svg",attributes:{class:["ck","ck-icon"],viewBox:t.to("viewBox")}})}render(){super.render(),this._updateXMLContent(),this._colorFillPaths(),this.on("change:content",()=>{this._updateXMLContent(),this._colorFillPaths()}),this.on("change:fillColor",()=>{this._colorFillPaths()})}_updateXMLContent(){if(this.content){const t=(new DOMParser).parseFromString(this.content.trim(),"image/svg+xml").querySelector("svg"),e=t.getAttribute("viewBox");for(e&&(this.viewBox=e),this.element.innerHTML="";t.childNodes.length>0;)this.element.appendChild(t.childNodes[0])}}_colorFillPaths(){this.fillColor&&this.element.querySelectorAll(".ck-icon__fill").forEach(t=>{t.style.fill=this.fillColor})}}n(30);class Pc extends _a{constructor(t){super(t),this.set("text",""),this.set("position","s");const e=this.bindTemplate;this.setTemplate({tag:"span",attributes:{class:["ck","ck-tooltip",e.to("position",t=>"ck-tooltip_"+t),e.if("text","ck-hidden",t=>!t.trim())]},children:[{tag:"span",attributes:{class:["ck","ck-tooltip__text"]},children:[{text:e.to("text")}]}]})}}n(32);class Sc extends _a{constructor(t){super(t);const e=this.bindTemplate,n=ve();this.set("class"),this.set("labelStyle"),this.set("icon"),this.set("isEnabled",!0),this.set("isOn",!1),this.set("isVisible",!0),this.set("isToggleable",!1),this.set("keystroke"),this.set("label"),this.set("tabindex",-1),this.set("tooltip"),this.set("tooltipPosition","s"),this.set("type","button"),this.set("withText",!1),this.children=this.createCollection(),this.tooltipView=this._createTooltipView(),this.labelView=this._createLabelView(n),this.iconView=new Cc,this.iconView.extendTemplate({attributes:{class:"ck-button__icon"}}),this.bind("_tooltipString").to(this,"tooltip",this,"label",this,"keystroke",this._getTooltipString.bind(this)),this.setTemplate({tag:"button",attributes:{class:["ck","ck-button",e.to("class"),e.if("isEnabled","ck-disabled",t=>!t),e.if("isVisible","ck-hidden",t=>!t),e.to("isOn",t=>t?"ck-on":"ck-off"),e.if("withText","ck-button_with-text")],type:e.to("type",t=>t||"button"),tabindex:e.to("tabindex"),"aria-labelledby":`ck-editor__aria-label_${n}`,"aria-disabled":e.if("isEnabled",!0,t=>!t),"aria-pressed":e.to("isOn",t=>!!this.isToggleable&&String(t))},children:this.children,on:{mousedown:e.to(t=>{t.preventDefault()}),click:e.to(t=>{this.isEnabled?this.fire("execute"):t.preventDefault()})}})}render(){super.render(),this.icon&&(this.iconView.bind("content").to(this,"icon"),this.children.add(this.iconView)),this.children.add(this.tooltipView),this.children.add(this.labelView)}focus(){this.element.focus()}_createTooltipView(){const t=new Pc;return t.bind("text").to(this,"_tooltipString"),t.bind("position").to(this,"tooltipPosition"),t}_createLabelView(t){const e=new _a,n=this.bindTemplate;return e.setTemplate({tag:"span",attributes:{class:["ck","ck-button__label"],style:n.to("labelStyle"),id:`ck-editor__aria-label_${t}`},children:[{text:this.bindTemplate.to("label")}]}),e}_getTooltipString(t,e,n){return t?"string"==typeof t?t:(n&&(n=function(t){return Mn.isMac?Dn(t).map(t=>On[t.toLowerCase()]||t).reduce((t,e)=>t.slice(-1)in In?t+e:t+"+"+e):t}(n)),t instanceof Function?t(e,n):`${e}${n?` (${n})`:""}`):""}}var Ec='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M5.042 9.367l2.189 1.837a.75.75 0 0 1-.965 1.149l-3.788-3.18a.747.747 0 0 1-.21-.284.75.75 0 0 1 .17-.945L6.23 4.762a.75.75 0 1 1 .964 1.15L4.863 7.866h8.917A.75.75 0 0 1 14 7.9a4 4 0 1 1-1.477 7.718l.344-1.489a2.5 2.5 0 1 0 1.094-4.73l.008-.032H5.042z"/></svg>',Mc='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M14.958 9.367l-2.189 1.837a.75.75 0 0 0 .965 1.149l3.788-3.18a.747.747 0 0 0 .21-.284.75.75 0 0 0-.17-.945L13.77 4.762a.75.75 0 1 0-.964 1.15l2.331 1.955H6.22A.75.75 0 0 0 6 7.9a4 4 0 1 0 1.477 7.718l-.344-1.489A2.5 2.5 0 1 1 6.039 9.4l-.008-.032h8.927z"/></svg>';class Ic extends Ra{init(){const t=this.editor,e=t.locale,n=t.t,i="ltr"==e.uiLanguageDirection?Ec:Mc,o="ltr"==e.uiLanguageDirection?Mc:Ec;this._addButton("undo",n("bj"),"CTRL+Z",i),this._addButton("redo",n("bk"),"CTRL+Y",o)}_addButton(t,e,n,i){const o=this.editor;o.ui.componentFactory.add(t,r=>{const s=o.commands.get(t),a=new Sc(r);return a.set({label:e,icon:i,keystroke:n,tooltip:!0}),a.bind("isEnabled").to(s,"isEnabled"),this.listenTo(a,"execute",()=>o.execute(t)),a})}}class Oc extends Ra{static get requires(){return[Tc,Ic]}static get pluginName(){return"Undo"}}class Nc extends Ra{static get pluginName(){return"PendingActions"}init(){this.set("hasAny",!1),this._actions=new kn({idProperty:"_id"}),this._actions.delegate("add","remove").to(this)}add(t){if("string"!=typeof t)throw new be.b("pendingactions-add-invalid-message: The message must be a string.",this);const e=Object.create(on);return e.set("message",t),this._actions.add(e),this.hasAny=!0,e}remove(t){this._actions.remove(t),this.hasAny=!!this._actions.length}get first(){return this._actions.get(0)}[Symbol.iterator](){return this._actions[Symbol.iterator]()}}class Rc{constructor(){const t=new window.FileReader;this._reader=t,this._data=void 0,this.set("loaded",0),t.onprogress=(t=>{this.loaded=t.loaded})}get error(){return this._reader.error}get data(){return this._data}read(t){const e=this._reader;return this.total=t.size,new Promise((n,i)=>{e.onload=(()=>{const t=e.result;this._data=t,n(t)}),e.onerror=(()=>{i("error")}),e.onabort=(()=>{i("aborted")}),this._reader.readAsDataURL(t)})}abort(){this._reader.abort()}}Ie(Rc,on);class jc extends Ra{static get pluginName(){return"FileRepository"}static get requires(){return[Nc]}init(){this.loaders=new kn,this.loaders.on("add",()=>this._updatePendingAction()),this.loaders.on("remove",()=>this._updatePendingAction()),this._loadersMap=new Map,this._pendingAction=null,this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",(t,e)=>e?t/e*100:0)}getLoader(t){return this._loadersMap.get(t)||null}createLoader(t){if(!this.createUploadAdapter)return console.warn(Object(be.a)("filerepository-no-upload-adapter: Upload adapter is not defined.")),null;const e=new Dc(Promise.resolve(t),this.createUploadAdapter);return this.loaders.add(e),this._loadersMap.set(t,e),t instanceof Promise&&e.file.then(t=>{this._loadersMap.set(t,e)}),e.file.catch(()=>{}),e.on("change:uploaded",()=>{let t=0;for(const e of this.loaders)t+=e.uploaded;this.uploaded=t}),e.on("change:uploadTotal",()=>{let t=0;for(const e of this.loaders)e.uploadTotal&&(t+=e.uploadTotal);this.uploadTotal=t}),e}destroyLoader(t){const e=t instanceof Dc?t:this.getLoader(t);e._destroy(),this.loaders.remove(e),this._loadersMap.forEach((t,n)=>{t===e&&this._loadersMap.delete(n)})}_updatePendingAction(){const t=this.editor.plugins.get(Nc);if(this.loaders.length){if(!this._pendingAction){const e=this.editor.t,n=t=>`${e("aw")} ${parseInt(t)}%.`;this._pendingAction=t.add(n(this.uploadedPercent)),this._pendingAction.bind("message").to(this,"uploadedPercent",n)}}else t.remove(this._pendingAction),this._pendingAction=null}}Ie(jc,on);class Dc{constructor(t,e){this.id=ve(),this._filePromiseWrapper=this._createFilePromiseWrapper(t),this._adapter=e(this),this._reader=new Rc,this.set("status","idle"),this.set("uploaded",0),this.set("uploadTotal",null),this.bind("uploadedPercent").to(this,"uploaded",this,"uploadTotal",(t,e)=>e?t/e*100:0),this.set("uploadResponse",null)}get file(){return this._filePromiseWrapper?this._filePromiseWrapper.promise.then(t=>this._filePromiseWrapper?t:null):Promise.resolve(null)}get data(){return this._reader.data}read(){if("idle"!=this.status)throw new be.b("filerepository-read-wrong-status: You cannot call read if the status is different than idle.",this);return this.status="reading",this._filePromiseWrapper.promise.then(t=>this._reader.read(t)).then(t=>(this.status="idle",t)).catch(t=>{if("aborted"===t)throw this.status="aborted","aborted";throw this.status="error",this._reader.error?this._reader.error:t})}upload(){if("idle"!=this.status)throw new be.b("filerepository-upload-wrong-status: You cannot call upload if the status is different than idle.",this);return this.status="uploading",this._filePromiseWrapper.promise.then(()=>this._adapter.upload()).then(t=>(this.uploadResponse=t,this.status="idle",t)).catch(t=>{if("aborted"===this.status)throw"aborted";throw this.status="error",t})}abort(){const t=this.status;this.status="aborted",this._filePromiseWrapper.isFulfilled?"reading"==t?this._reader.abort():"uploading"==t&&this._adapter.abort&&this._adapter.abort():this._filePromiseWrapper.rejecter("aborted"),this._destroy()}_destroy(){this._filePromiseWrapper=void 0,this._reader=void 0,this._adapter=void 0,this.uploadResponse=void 0}_createFilePromiseWrapper(t){const e={};return e.promise=new Promise((n,i)=>{e.resolver=n,e.rejecter=i,e.isFulfilled=!1,t.then(t=>{e.isFulfilled=!0,n(t)}).catch(t=>{e.isFulfilled=!0,i(t)})}),e}}Ie(Dc,on);const Lc="ckCsrfToken",Vc=40,zc="abcdefghijklmnopqrstuvwxyz0123456789";class Fc extends Ra{static get requires(){return[jc]}static get pluginName(){return"CKFinderUploadAdapter"}init(){const t=this.editor.config.get("ckfinder.uploadUrl");t&&(this.editor.plugins.get(jc).createUploadAdapter=(e=>new Bc(e,t,this.editor.t)))}}class Bc{constructor(t,e,n){this.loader=t,this.url=e,this.t=n}upload(){return this.loader.file.then(t=>new Promise((e,n)=>{this._initRequest(),this._initListeners(e,n,t),this._sendRequest(t)}))}abort(){this.xhr&&this.xhr.abort()}_initRequest(){const t=this.xhr=new XMLHttpRequest;t.open("POST",this.url,!0),t.responseType="json"}_initListeners(t,e,n){const i=this.xhr,o=this.loader,r=(0,this.t)("a")+` ${n.name}.`;i.addEventListener("error",()=>e(r)),i.addEventListener("abort",()=>e()),i.addEventListener("load",()=>{const n=i.response;if(!n||!n.uploaded)return e(n&&n.error&&n.error.message?n.error.message:r);t({default:n.url})}),i.upload&&i.upload.addEventListener("progress",t=>{t.lengthComputable&&(o.uploadTotal=t.total,o.uploaded=t.loaded)})}_sendRequest(t){const e=new FormData;e.append("upload",t),e.append("ckCsrfToken",function(){let t=function(t){t=t.toLowerCase();const e=document.cookie.split(";");for(const n of e){const e=n.split("=");if(decodeURIComponent(e[0].trim().toLowerCase())===t)return decodeURIComponent(e[1])}return null}(Lc);return t&&t.length==Vc||(t=function(t){let e="";const n=new Uint8Array(Vc);window.crypto.getRandomValues(n);for(let t=0;t<n.length;t++){const i=zc.charAt(n[t]%zc.length);e+=Math.random()>.5?i.toUpperCase():i}return e}(),function(t,e){document.cookie=encodeURIComponent(t)+"="+encodeURIComponent(e)+";path=/"}(Lc,t)),t}()),this.xhr.send(e)}}class Uc{constructor(t,e,n){let i,o=null;"function"==typeof n?i=n:(o=t.commands.get(n),i=(()=>{t.execute(n)})),t.model.document.on("change",(n,r)=>{if(o&&!o.isEnabled)return;if("transparent"==r.type)return;const s=Array.from(t.model.document.differ.getChanges()),a=s[0];if(1!=s.length||"insert"!==a.type||"$text"!=a.name||1!=a.length)return;const c=a.position.textNode||a.position.nodeAfter;if(!c.parent.is("paragraph"))return;const l=e.exec(c.data);l&&t.model.enqueueChange(t=>{const e=t.createPositionAt(c.parent,0),n=t.createPositionAt(c.parent,l[0].length),o=new Qo(e,n);!1!==i({match:l})&&t.remove(o),o.detach()})})}}class $c{constructor(t,e,n){let i,o,r,s;e instanceof RegExp?i=e:r=e,"string"==typeof n?o=n:s=n,r=r||(t=>{let e;const n=[],o=[];for(;null!==(e=i.exec(t))&&!(e&&e.length<4);){let{index:t,1:i,2:r,3:s}=e;const a=i+r+s,c=[t+=e[0].length-a.length,t+i.length],l=[t+i.length+r.length,t+i.length+r.length+s.length];n.push(c),n.push(l),o.push([t+i.length,t+i.length+r.length])}return{remove:n,format:o}}),s=s||((e,n)=>{const i=t.model.schema.getValidRanges(n,o);for(const t of i)e.setAttribute(o,!0,t);e.removeSelectionAttribute(o)}),t.model.document.on("change",(e,n)=>{if("transparent"==n.type)return;const i=t.model.document.selection;if(!i.isCollapsed)return;const o=Array.from(t.model.document.differ.getChanges()),a=o[0];if(1!=o.length||"insert"!==a.type||"$text"!=a.name||1!=a.length)return;const c=i.focus.parent,l=function(t){return Array.from(t.getChildren()).reduce((t,e)=>t+e.data,"")}(c).slice(0,i.focus.offset),u=r(l),d=qc(c,u.format,t.model),h=qc(c,u.remove,t.model);d.length&&h.length&&t.model.enqueueChange(t=>{if(!1!==s(t,d))for(const e of h.reverse())t.remove(e)})})}}function qc(t,e,n){return e.filter(t=>void 0!==t[0]&&void 0!==t[1]).map(e=>n.createRange(n.createPositionAt(t,e[0]),n.createPositionAt(t,e[1])))}function Hc(t,e){return(n,i)=>{if(!t.commands.get(e).isEnabled)return!1;const o=t.model.schema.getValidRanges(i,e);for(const t of o)n.setAttribute(e,!0,t);n.removeSelectionAttribute(e)}}class Wc extends za{constructor(t,e){super(t),this.attributeKey=e}refresh(){const t=this.editor.model,e=t.document;this.value=this._getValueFromFirstAllowedNode(),this.isEnabled=t.schema.checkAttributeInSelection(e.selection,this.attributeKey)}execute(t={}){const e=this.editor.model,n=e.document.selection,i=void 0===t.forceValue?!this.value:t.forceValue;e.change(t=>{if(n.isCollapsed)i?t.setSelectionAttribute(this.attributeKey,!0):t.removeSelectionAttribute(this.attributeKey);else{const o=e.schema.getValidRanges(n.getRanges(),this.attributeKey);for(const e of o)i?t.setAttribute(this.attributeKey,i,e):t.removeAttribute(this.attributeKey,e)}})}_getValueFromFirstAllowedNode(){const t=this.editor.model,e=t.schema,n=t.document.selection;if(n.isCollapsed)return n.hasAttribute(this.attributeKey);for(const t of n.getRanges())for(const n of t.getItems())if(e.checkAttribute(n,this.attributeKey))return n.hasAttribute(this.attributeKey);return!1}}const Yc="bold";class Gc extends Ra{init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:Yc}),t.model.schema.setAttributeProperties(Yc,{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:Yc,view:"strong",upcastAlso:["b",{styles:{"font-weight":"bold"}}]}),t.commands.add(Yc,new Wc(t,Yc)),t.keystrokes.set("CTRL+B",Yc)}}var Qc='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M10.187 17H5.773c-.637 0-1.092-.138-1.364-.415-.273-.277-.409-.718-.409-1.323V4.738c0-.617.14-1.062.419-1.332.279-.27.73-.406 1.354-.406h4.68c.69 0 1.288.041 1.793.124.506.083.96.242 1.36.478.341.197.644.447.906.75a3.262 3.262 0 0 1 .808 2.162c0 1.401-.722 2.426-2.167 3.075C15.05 10.175 16 11.315 16 13.01a3.756 3.756 0 0 1-2.296 3.504 6.1 6.1 0 0 1-1.517.377c-.571.073-1.238.11-2 .11zm-.217-6.217H7v4.087h3.069c1.977 0 2.965-.69 2.965-2.072 0-.707-.256-1.22-.768-1.537-.512-.319-1.277-.478-2.296-.478zM7 5.13v3.619h2.606c.729 0 1.292-.067 1.69-.2a1.6 1.6 0 0 0 .91-.765c.165-.267.247-.566.247-.897 0-.707-.26-1.176-.778-1.409-.519-.232-1.31-.348-2.375-.348H7z"/></svg>';const Kc="bold";class Jc extends Ra{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(Kc,n=>{const i=t.commands.get(Kc),o=new Sc(n);return o.set({label:e("d"),icon:Qc,keystroke:"CTRL+B",tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>t.execute(Kc)),o})}}const Zc="italic";class Xc extends Ra{init(){const t=this.editor;t.model.schema.extend("$text",{allowAttributes:Zc}),t.model.schema.setAttributeProperties(Zc,{isFormatting:!0,copyOnEnter:!0}),t.conversion.attributeToElement({model:Zc,view:"i",upcastAlso:["em",{styles:{"font-style":"italic"}}]}),t.commands.add(Zc,new Wc(t,Zc)),t.keystrokes.set("CTRL+I",Zc)}}var tl='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M9.586 14.633l.021.004c-.036.335.095.655.393.962.082.083.173.15.274.201h1.474a.6.6 0 1 1 0 1.2H5.304a.6.6 0 0 1 0-1.2h1.15c.474-.07.809-.182 1.005-.334.157-.122.291-.32.404-.597l2.416-9.55a1.053 1.053 0 0 0-.281-.823 1.12 1.12 0 0 0-.442-.296H8.15a.6.6 0 0 1 0-1.2h6.443a.6.6 0 1 1 0 1.2h-1.195c-.376.056-.65.155-.823.296-.215.175-.423.439-.623.79l-2.366 9.347z"/></svg>';const el="italic";class nl extends Ra{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add(el,n=>{const i=t.commands.get(el),o=new Sc(n);return o.set({label:e("e"),icon:tl,keystroke:"CTRL+I",tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>t.execute(el)),o})}}function il(t){const e=t.next();return e.done?null:e.value}class ol extends za{refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(t={}){const e=this.editor.model,n=e.schema,i=e.document.selection,o=Array.from(i.getTopMostBlocks()),r=void 0===t.forceValue?!this.value:t.forceValue;e.change(t=>{if(r){const e=o.filter(t=>rl(t)||al(n,t));this._applyQuote(t,e)}else this._removeQuote(t,o.filter(rl))})}_getValue(){const t=il(this.editor.model.document.selection.getTopMostBlocks());return!(!t||!rl(t))}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,n=il(t.getSelectedBlocks());return!!n&&al(e,n)}_removeQuote(t,e){sl(t,e).reverse().forEach(e=>{if(e.start.isAtStart&&e.end.isAtEnd)return void t.unwrap(e.start.parent);if(e.start.isAtStart){const n=t.createPositionBefore(e.start.parent);return void t.move(e,n)}e.end.isAtEnd||t.split(e.end);const n=t.createPositionAfter(e.end.parent);t.move(e,n)})}_applyQuote(t,e){const n=[];sl(t,e).reverse().forEach(e=>{let i=rl(e.start);i||(i=t.createElement("blockQuote"),t.wrap(e,i)),n.push(i)}),n.reverse().reduce((e,n)=>e.nextSibling==n?(t.merge(t.createPositionAfter(e)),e):n)}}function rl(t){return"blockQuote"==t.parent.name?t.parent:null}function sl(t,e){let n,i=0;const o=[];for(;i<e.length;){const r=e[i],s=e[i+1];n||(n=t.createPositionBefore(r)),s&&r.nextSibling==s||(o.push(t.createRange(n,t.createPositionAfter(r))),n=null),i++}return o}function al(t,e){const n=t.checkChild(e.parent,"blockQuote"),i=t.checkChild(["$root","blockQuote"],e);return n&&i}class cl extends Ra{init(){const t=this.editor,e=t.model.schema;t.commands.add("blockQuote",new ol(t)),e.register("blockQuote",{allowWhere:"$block",allowContentOf:"$root"}),e.addChildCheck((t,e)=>{if(t.endsWith("blockQuote")&&"blockQuote"==e.name)return!1}),t.conversion.elementToElement({model:"blockQuote",view:"blockquote"}),t.model.document.registerPostFixer(n=>{const i=t.model.document.differ.getChanges();for(const t of i)if("insert"==t.type){const i=t.position.nodeAfter;if(!i)continue;if(i.is("blockQuote")&&i.isEmpty)return n.remove(i),!0;if(i.is("blockQuote")&&!e.checkChild(t.position,i))return n.unwrap(i),!0;if(i.is("element")){const t=n.createRangeIn(i);for(const i of t.getItems())if(i.is("blockQuote")&&!e.checkChild(n.createPositionBefore(i),i))return n.unwrap(i),!0}}else if("remove"==t.type){const e=t.position.parent;if(e.is("blockQuote")&&e.isEmpty)return n.remove(e),!0}return!1})}afterInit(){const t=this.editor.commands.get("blockQuote");this.listenTo(this.editor.editing.view.document,"enter",(e,n)=>{const i=this.editor.model.document,o=i.selection.getLastPosition().parent;i.selection.isCollapsed&&o.isEmpty&&t.value&&(this.editor.execute("blockQuote"),this.editor.editing.view.scrollToTheSelection(),n.preventDefault(),e.stop())})}}var ll='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M3 10.423a6.5 6.5 0 0 1 6.056-6.408l.038.67C6.448 5.423 5.354 7.663 5.22 10H9c.552 0 .5.432.5.986v4.511c0 .554-.448.503-1 .503h-5c-.552 0-.5-.449-.5-1.003v-4.574zm8 0a6.5 6.5 0 0 1 6.056-6.408l.038.67c-2.646.739-3.74 2.979-3.873 5.315H17c.552 0 .5.432.5.986v4.511c0 .554-.448.503-1 .503h-5c-.552 0-.5-.449-.5-1.003v-4.574z"/></svg>';n(34);class ul extends Ra{init(){const t=this.editor,e=t.t;t.ui.componentFactory.add("blockQuote",n=>{const i=t.commands.get("blockQuote"),o=new Sc(n);return o.set({label:e("f"),icon:ll,tooltip:!0,isToggleable:!0}),o.bind("isOn","isEnabled").to(i,"value","isEnabled"),this.listenTo(o,"execute",()=>t.execute("blockQuote")),o})}}var dl='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.627 16.5zm5.873-.196zm0-7.001V8h-13v8.5h4.341c.191.54.457 1.044.785 1.5H2a1.5 1.5 0 0 1-1.5-1.5v-13A1.5 1.5 0 0 1 2 2h4.5a1.5 1.5 0 0 1 1.06.44L9.122 4H16a1.5 1.5 0 0 1 1.5 1.5v1A1.5 1.5 0 0 1 19 8v2.531a6.027 6.027 0 0 0-1.5-1.228zM16 6.5v-1H8.5l-2-2H2v13h1V8a1.5 1.5 0 0 1 1.5-1.5H16z"/><path d="M14.5 19.5a5 5 0 1 1 0-10 5 5 0 0 1 0 10zM15 14v-2h-1v2h-2v1h2v2h1v-2h2v-1h-2z"/></svg>';class hl extends Ra{static get pluginName(){return"CKFinderUI"}init(){const t=this.editor,e=t.ui.componentFactory,n=t.t;e.add("ckfinder",e=>{const i=t.commands.get("ckfinder"),o=new Sc(e);return o.set({label:n("g"),icon:dl,tooltip:!0}),o.bind("isEnabled").to(i),o.on("execute",()=>{t.execute("ckfinder"),t.editing.view.focus()}),o})}}class fl extends Ra{static get pluginName(){return"Notification"}init(){this.on("show:warning",(t,e)=>{window.alert(e.message)},{priority:"lowest"})}showSuccess(t,e={}){this._showNotification({message:t,type:"success",namespace:e.namespace,title:e.title})}showInfo(t,e={}){this._showNotification({message:t,type:"info",namespace:e.namespace,title:e.title})}showWarning(t,e={}){this._showNotification({message:t,type:"warning",namespace:e.namespace,title:e.title})}_showNotification(t){const e=`show:${t.type}`+(t.namespace?`:${t.namespace}`:"");this.fire(e,{message:t.message,type:t.type,title:t.title||""})}}class pl extends za{constructor(t){super(t),this.stopListening(this.editor.model.document,"change"),this.listenTo(this.editor.model.document,"change",()=>this.refresh(),{priority:"low"})}refresh(){const t=this.editor.commands.get("imageUpload"),e=this.editor.commands.get("link");this.isEnabled=t&&e&&(t.isEnabled||e.isEnabled)}execute(){const t=this.editor,e=this.editor.config.get("ckfinder.openerMethod")||"modal";if("popup"!=e&&"modal"!=e)throw new be.b('ckfinder-unknown-openerMethod: The openerMethod config option must by "popup" or "modal".',t);const n=this.editor.config.get("ckfinder.options")||{};n.chooseFiles=!0;const i=n.onInit;n.language||(n.language=t.locale.uiLanguage),n.onInit=(e=>{i&&i(e),e.on("files:choose",n=>{const i=n.data.files.toArray(),o=i.filter(t=>!t.isImage()),r=i.filter(t=>t.isImage());for(const e of o)t.execute("link",e.getUrl());const s=[];for(const t of r){const n=t.getUrl();s.push(n||e.request("file:getProxyUrl",{file:t}))}s.length&&gl(t,s)}),e.on("file:choose:resizedImage",e=>{const n=e.data.resizedUrl;if(n)gl(t,[n]);else{const e=t.plugins.get("Notification"),n=t.locale.t;e.showWarning(n("ar"),{title:n("as"),namespace:"ckfinder"})}})}),window.CKFinder[e](n)}}function gl(t,e){if(t.commands.get("imageUpload").isEnabled)t.execute("imageInsert",{source:e});else{const e=t.plugins.get("Notification"),n=t.locale.t;e.showWarning(n("at"),{title:n("au"),namespace:"ckfinder"})}}class ml extends Ra{static get pluginName(){return"CKFinderEditing"}static get requires(){return[fl]}init(){const t=this.editor;t.commands.add("ckfinder",new pl(t))}}const bl=/^data:(\S*?);base64,/;class wl{constructor(t,e,n){if(!t)throw new be.b("fileuploader-missing-file: File must be provided as the first argument",null);if(!e)throw new be.b("fileuploader-missing-token: Token must be provided as the second argument.",null);if(!n)throw new be.b("fileuploader-missing-api-address: Api address must be provided as the third argument.",null);this.file=function(t){if("string"!=typeof t)return!1;const e=t.match(bl);return!(!e||!e.length)}(t)?function(t,e=512){try{const n=t.match(bl)[1],i=atob(t.replace(bl,"")),o=[];for(let t=0;t<i.length;t+=e){const n=i.slice(t,t+e),r=new Array(n.length);for(let t=0;t<n.length;t++)r[t]=n.charCodeAt(t);o.push(new Uint8Array(r))}return new Blob(o,{type:n})}catch(t){throw new be.b("fileuploader-decoding-image-data-error: Problem with decoding Base64 image data.",null)}}(t):t,this._token=e,this._apiAddress=n}onProgress(t){return this.on("progress",(e,n)=>t(n)),this}onError(t){return this.once("error",(e,n)=>t(n)),this}abort(){this.xhr.abort()}send(){return this._prepareRequest(),this._attachXHRListeners(),this._sendRequest()}_prepareRequest(){const t=new XMLHttpRequest;t.open("POST",this._apiAddress),t.setRequestHeader("Authorization",this._token.value),t.responseType="json",this.xhr=t}_attachXHRListeners(){const t=this,e=this.xhr;function n(e){return()=>t.fire("error",e)}e.addEventListener("error",n("Network Error")),e.addEventListener("abort",n("Abort")),e.upload&&e.upload.addEventListener("progress",t=>{t.lengthComputable&&this.fire("progress",{total:t.total,uploaded:t.loaded})}),e.addEventListener("load",()=>{const t=e.status,n=e.response;if(t<200||t>299)return this.fire("error",n.message||n.error)})}_sendRequest(){const t=new FormData,e=this.xhr;return t.append("file",this.file),new Promise((n,i)=>{e.addEventListener("load",()=>{const t=e.status,o=e.response;return t<200||t>299?o.message?i(new be.b("fileuploader-uploading-data-failed: Uploading file failed.",this,{message:o.message})):i(o.error):n(o)}),e.addEventListener("error",()=>i(new Error("Network Error"))),e.addEventListener("abort",()=>i(new Error("Abort"))),e.send(t)})}}Ie(wl,Ae);const _l={refreshInterval:36e5,autoRefresh:!0};class vl{constructor(t,e=_l){if(!t)throw new be.b("token-missing-token-url: A `tokenUrl` must be provided as the first constructor argument.",this);this.set("value",e.initValue),this._refresh="function"==typeof t?t:()=>(function(t){return new Promise((e,n)=>{const i=new XMLHttpRequest;i.open("GET",t),i.addEventListener("load",()=>{const t=i.status,o=i.response;return t<200||t>299?n(new be.b("token-cannot-download-new-token: Cannot download new token from the provided url.",null)):e(o)}),i.addEventListener("error",()=>n(new Error("Network Error"))),i.addEventListener("abort",()=>n(new Error("Abort"))),i.send()})})(t),this._options=Object.assign({},_l,e)}init(){return new Promise((t,e)=>{this._options.autoRefresh&&this._startRefreshing(),this.value?t(this):this._refreshToken().then(t).catch(e)})}_refreshToken(){return this._refresh().then(t=>this.set("value",t)).then(()=>this)}destroy(){this._stopRefreshing()}_startRefreshing(){this._refreshInterval=setInterval(()=>this._refreshToken(),this._options.refreshInterval)}_stopRefreshing(){clearInterval(this._refreshInterval)}static create(t,e=_l){return new vl(t,e).init()}}Ie(vl,on);var kl=vl;class yl extends Ra{static get pluginName(){return"CloudServices"}init(){const t=this.editor.config.get("cloudServices")||{};for(const e in t)this[e]=t[e];if(this.tokenUrl)return this.token=new yl.Token(this.tokenUrl),this.token.init();this.token=null}}yl.Token=kl;class xl extends Ra{static get requires(){return[jc,yl]}init(){const t=this.editor,e=t.plugins.get(yl),n=e.token,i=e.uploadUrl;n&&(this._uploadGateway=new xl._UploadGateway(n,i),t.plugins.get(jc).createUploadAdapter=(t=>new Al(this._uploadGateway,t)))}}class Al{constructor(t,e){this.uploadGateway=t,this.loader=e}upload(){return this.loader.file.then(t=>(this.fileUploader=this.uploadGateway.upload(t),this.fileUploader.on("progress",(t,e)=>{this.loader.uploadTotal=e.total,this.loader.uploaded=e.uploaded}),this.fileUploader.send()))}abort(){this.fileUploader.abort()}}xl._UploadGateway=class{constructor(t,e){if(!t)throw new be.b("uploadgateway-missing-token: Token must be provided.",null);if(!e)throw new be.b("uploadgateway-missing-api-address: Api address must be provided.",null);this._token=t,this._apiAddress=e}upload(t){return new wl(t,this._token,this._apiAddress)}};class Tl extends Pi{constructor(t){super(t),this._observedElements=new Set}observe(t,e){this.document.getRoot(e).on("change:children",(e,n)=>{this.view.once("render",()=>this._updateObservedElements(t,n))})}_updateObservedElements(t,e){if(!e.is("element")||e.is("attributeElement"))return;const n=this.view.domConverter.mapViewToDom(e);if(n){for(const t of n.querySelectorAll("img"))this._observedElements.has(t)||(this.listenTo(t,"load",(t,e)=>this._fireEvents(e)),this._observedElements.add(t));for(const e of this._observedElements)t.contains(e)||(this.stopListening(e),this._observedElements.delete(e))}}_fireEvents(t){this.isEnabled&&(this.document.fire("layoutChanged"),this.document.fire("imageLoaded",t))}destroy(){this._observedElements.clear(),super.destroy()}}function Cl(t){return n=>{n.on(`attribute:${t}:image`,e)};function e(t,e,n){if(!n.consumable.consume(e.item,t.name))return;const i=n.writer,o=n.mapper.toViewElement(e.item).getChild(0);null!==e.attributeNewValue?i.setAttribute(e.attributeKey,e.attributeNewValue,o):i.removeAttribute(e.attributeKey,o)}}class Pl{constructor(){this._stack=[]}add(t,e){const n=this._stack,i=n[0];this._insertDescriptor(t);const o=n[0];i===o||Sl(i,o)||this.fire("change:top",{oldDescriptor:i,newDescriptor:o,writer:e})}remove(t,e){const n=this._stack,i=n[0];this._removeDescriptor(t);const o=n[0];i===o||Sl(i,o)||this.fire("change:top",{oldDescriptor:i,newDescriptor:o,writer:e})}_insertDescriptor(t){const e=this._stack,n=e.findIndex(e=>e.id===t.id);if(Sl(t,e[n]))return;n>-1&&e.splice(n,1);let i=0;for(;e[i]&&El(e[i],t);)i++;e.splice(i,0,t)}_removeDescriptor(t){const e=this._stack,n=e.findIndex(e=>e.id===t);n>-1&&e.splice(n,1)}}function Sl(t,e){return t&&e&&t.priority==e.priority&&Ml(t.classes)==Ml(e.classes)}function El(t,e){return t.priority>e.priority||!(t.priority<e.priority)&&Ml(t.classes)>Ml(e.classes)}function Ml(t){return Array.isArray(t)?t.sort().join(","):t}Ie(Pl,Ae);var Il='<svg viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="M4 0v1H1v3H0V.5A.5.5 0 0 1 .5 0H4zm8 0h3.5a.5.5 0 0 1 .5.5V4h-1V1h-3V0zM4 16H.5a.5.5 0 0 1-.5-.5V12h1v3h3v1zm8 0v-1h3v-3h1v3.5a.5.5 0 0 1-.5.5H12z"/><path fill-opacity=".256" d="M1 1h14v14H1z"/><g class="ck-icon__selected-indicator"><path d="M7 0h2v1H7V0zM0 7h1v2H0V7zm15 0h1v2h-1V7zm-8 8h2v1H7v-1z"/><path fill-opacity=".254" d="M1 1h14v14H1z"/></g></svg>';const Ol="ck-widget",Nl="ck-widget_selected";function Rl(t){return!!t.is("element")&&!!t.getCustomProperty("widget")}function jl(t,e,n={}){return Mn.isEdge||e.setAttribute("contenteditable","false",t),e.addClass(Ol,t),e.setCustomProperty("widget",!0,t),t.getFillerOffset=zl,n.label&&function(t,e,n){n.setCustomProperty("widgetLabel",e,t)}(t,n.label,e),n.hasSelectionHandler&&function(t,e){const n=e.createUIElement("div",{class:"ck ck-widget__selection-handler"},function(t){const e=this.toDomElement(t),n=new Cc;return n.set("content",Il),n.render(),e.appendChild(n.element),e});e.insert(e.createPositionAt(t,0),n),e.addClass(["ck-widget_with-selection-handler"],t)}(t,e),function(t,e,n,i){const o=new Pl;o.on("change:top",(e,o)=>{o.oldDescriptor&&i(t,o.oldDescriptor,o.writer),o.newDescriptor&&n(t,o.newDescriptor,o.writer)}),e.setCustomProperty("addHighlight",(t,e,n)=>o.add(e,n),t),e.setCustomProperty("removeHighlight",(t,e,n)=>o.remove(e,n),t)}(t,e,(t,e,n)=>n.addClass(i(e.classes),t),(t,e,n)=>n.removeClass(i(e.classes),t)),t;function i(t){return Array.isArray(t)?t:[t]}}function Dl(t){const e=t.getCustomProperty("widgetLabel");return e?"function"==typeof e?e():e:""}function Ll(t,e){return e.addClass(["ck-editor__editable","ck-editor__nested-editable"],t),Mn.isEdge||(e.setAttribute("contenteditable",t.isReadOnly?"false":"true",t),t.on("change:isReadOnly",(n,i,o)=>{e.setAttribute("contenteditable",o?"false":"true",t)})),t.on("change:isFocused",(n,i,o)=>{o?e.addClass("ck-editor__nested-editable_focused",t):e.removeClass("ck-editor__nested-editable_focused",t)}),t}function Vl(t,e){const n=t.getSelectedElement();if(n&&e.schema.isBlock(n))return e.createPositionAfter(n);const i=t.getSelectedBlocks().next().value;if(i){if(i.isEmpty)return e.createPositionAt(i,0);const n=e.createPositionAfter(i);return t.focus.isTouching(n)?n:e.createPositionBefore(i)}return t.focus}function zl(){return null}function Fl(t){const e=t.getSelectedElement();return e&&function(t){return!!t.getCustomProperty("image")&&Rl(t)}(e)?e:null}function Bl(t){return!!t&&t.is("image")}function Ul(t,e,n={}){const i=t.createElement("image",n),o=Vl(e.document.selection,e);e.insertContent(i,o),i.parent&&t.setSelection(i,"on")}function $l(t){const e=t.schema,n=t.document.selection;return function(t,e,n){const i=function(t,e){const n=Vl(t,e).parent;return n.isEmpty&&!n.is("$root")?n.parent:n}(t,n);return e.checkChild(i,"image")}(n,e,t)&&!function(t,e){const n=t.getSelectedElement();return n&&e.isObject(n)}(n,e)&&[...n.focus.getAncestors()].every(t=>!t.is("image"))}class ql extends za{refresh(){this.isEnabled=$l(this.editor.model)}execute(t){const e=this.editor.model;e.change(n=>{const i=Array.isArray(t.source)?t.source:[t.source];for(const t of i)Ul(n,e,{src:t})})}}class Hl extends Ra{init(){const t=this.editor,e=t.model.schema,n=t.t,i=t.conversion;t.editing.view.addObserver(Tl),e.register("image",{isObject:!0,isBlock:!0,allowWhere:"$block",allowAttributes:["alt","src","srcset"]}),i.for("dataDowncast").elementToElement({model:"image",view:(t,e)=>Wl(e)}),i.for("editingDowncast").elementToElement({model:"image",view:(t,e)=>(function(t,e,n){return e.setCustomProperty("image",!0,t),jl(t,e,{label:function(){const e=t.getChild(0).getAttribute("alt");return e?`${e} ${n}`:n}})})(Wl(e),e,n("j"))}),i.for("downcast").add(Cl("src")).add(Cl("alt")).add(function(){return e=>{e.on("attribute:srcset:image",t)};function t(t,e,n){if(!n.consumable.consume(e.item,t.name))return;const i=n.writer,o=n.mapper.toViewElement(e.item).getChild(0);if(null===e.attributeNewValue){const t=e.attributeOldValue;t.data&&(i.removeAttribute("srcset",o),i.removeAttribute("sizes",o),t.width&&i.removeAttribute("width",o))}else{const t=e.attributeNewValue;t.data&&(i.setAttribute("srcset",t.data,o),i.setAttribute("sizes","100vw",o),t.width&&i.setAttribute("width",t.width,o))}}}()),i.for("upcast").elementToElement({view:{name:"img",attributes:{src:!0}},model:(t,e)=>e.createElement("image",{src:t.getAttribute("src")})}).attributeToAttribute({view:{name:"img",key:"alt"},model:"alt"}).attributeToAttribute({view:{name:"img",key:"srcset"},model:{key:"srcset",value:t=>{const e={data:t.getAttribute("srcset")};return t.hasAttribute("width")&&(e.width=t.getAttribute("width")),e}}}).add(function(){return e=>{e.on("element:figure",t)};function t(t,e,n){if(!n.consumable.test(e.viewItem,{name:!0,classes:"image"}))return;const i=Array.from(e.viewItem.getChildren()).find(t=>t.is("img"));if(!i||!i.hasAttribute("src")||!n.consumable.test(i,{name:!0}))return;const o=n.convertItem(i,e.modelCursor),r=il(o.modelRange.getItems());r&&(n.convertChildren(e.viewItem,n.writer.createPositionAt(r,0)),e.modelRange=o.modelRange,e.modelCursor=o.modelCursor)}}()),t.commands.add("imageInsert",new ql(t))}}function Wl(t){const e=t.createEmptyElement("img"),n=t.createContainerElement("figure",{class:"image"});return t.insert(t.createPositionAt(n,0),e),n}class Yl extends Yi{constructor(t){super(t),this.domEventType="mousedown"}onDomEvent(t){this.fire(t.type,t)}}n(36);const Gl=jn("Ctrl+A");class Ql extends Ra{static get pluginName(){return"Widget"}init(){const t=this.editor.editing.view,e=t.document;this._previouslySelected=new Set,this.editor.editing.downcastDispatcher.on("selection",(t,e,n)=>{this._clearPreviouslySelectedWidgets(n.writer);const i=n.writer,o=i.document.selection,r=o.getSelectedElement();let s=null;for(const t of o.getRanges())for(const e of t){const t=e.item;Rl(t)&&!Kl(t,s)&&(i.addClass(Nl,t),this._previouslySelected.add(t),s=t,t==r&&i.setSelection(o.getRanges(),{fake:!0,label:Dl(r)}))}},{priority:"low"}),t.addObserver(Yl),this.listenTo(e,"mousedown",(...t)=>this._onMousedown(...t)),this.listenTo(e,"keydown",(...t)=>this._onKeydown(...t),{priority:"high"}),this.listenTo(e,"delete",(t,e)=>{this._handleDelete("forward"==e.direction)&&(e.preventDefault(),t.stop())},{priority:"high"})}_onMousedown(t,e){const n=this.editor,i=n.editing.view,o=i.document;let r=e.target;if(function(t){for(;t;){if(t.is("editableElement")&&!t.is("rootElement"))return!0;if(Rl(t))return!1;t=t.parent}return!1}(r)){if(Mn.isSafari&&e.domEvent.detail>=3){const t=n.editing.mapper.toModelElement(r);this.editor.model.change(n=>{e.preventDefault(),n.setSelection(t,"in")})}return}if(!Rl(r)&&!(r=r.findAncestor(Rl)))return;e.preventDefault(),o.isFocused||i.focus();const s=n.editing.mapper.toModelElement(r);this._setSelectionOverElement(s)}_onKeydown(t,e){const n=e.keyCode,i=n==Nn.arrowdown||n==Nn.arrowright;let o=!1;!function(t){return t==Nn.arrowright||t==Nn.arrowleft||t==Nn.arrowup||t==Nn.arrowdown}(n)?Rn(e)!=Gl?n===Nn.enter&&(o=this._handleEnterKey(e.shiftKey)):o=this._selectAllNestedEditableContent()||this._selectAllContent():o=this._handleArrowKeys(i),o&&(e.preventDefault(),t.stop())}_handleDelete(t){if(this.editor.isReadOnly)return;const e=this.editor.model.document.selection;if(!e.isCollapsed)return;const n=this._getObjectElementNextToSelection(t);return n?(this.editor.model.change(t=>{let i=e.anchor.parent;for(;i.isEmpty;){const e=i;i=e.parent,t.remove(e)}this._setSelectionOverElement(n)}),!0):void 0}_handleArrowKeys(t){const e=this.editor.model,n=e.schema,i=e.document.selection,o=i.getSelectedElement();if(o&&n.isObject(o)){const o=t?i.getLastPosition():i.getFirstPosition(),r=n.getNearestSelectionRange(o,t?"forward":"backward");return r&&e.change(t=>{t.setSelection(r)}),!0}if(!i.isCollapsed)return;const r=this._getObjectElementNextToSelection(t);return r&&n.isObject(r)?(this._setSelectionOverElement(r),!0):void 0}_handleEnterKey(t){const e=this.editor.model,n=e.document.selection.getSelectedElement();if(function(t,e){return t&&e.isObject(t)&&!e.isInline(t)}(n,e.schema))return e.change(i=>{let o=i.createPositionAt(n,t?"before":"after");const r=i.createElement("paragraph");if(e.schema.isBlock(n.parent)){const t=e.schema.findAllowedParent(o,r);o=i.split(o,t).position}i.insert(r,o),i.setSelection(r,"in")}),!0}_selectAllNestedEditableContent(){const t=this.editor.model,e=t.document.selection,n=t.schema.getLimitElement(e);return e.getFirstRange().root!=n&&(t.change(t=>{t.setSelection(t.createRangeIn(n))}),!0)}_selectAllContent(){const t=this.editor.model,e=this.editor.editing,n=e.view.document.selection.getSelectedElement();if(n&&Rl(n)){const i=e.mapper.toModelElement(n.parent);return t.change(t=>{t.setSelection(t.createRangeIn(i))}),!0}return!1}_setSelectionOverElement(t){this.editor.model.change(e=>{e.setSelection(e.createRangeOn(t))})}_getObjectElementNextToSelection(t){const e=this.editor.model,n=e.schema,i=e.document.selection,o=e.createSelection(i);e.modifySelection(o,{direction:t?"forward":"backward"});const r=t?o.focus.nodeBefore:o.focus.nodeAfter;return r&&n.isObject(r)?r:null}_clearPreviouslySelectedWidgets(t){for(const e of this._previouslySelected)t.removeClass(Nl,e);this._previouslySelected.clear()}}function Kl(t,e){return!!e&&Array.from(t.getAncestors()).includes(e)}class Jl extends za{refresh(){const t=this.editor.model.document.selection.getSelectedElement();this.isEnabled=Bl(t),Bl(t)&&t.hasAttribute("alt")?this.value=t.getAttribute("alt"):this.value=!1}execute(t){const e=this.editor.model,n=e.document.selection.getSelectedElement();e.change(e=>{e.setAttribute("alt",t.newValue,n)})}}class Zl extends Ra{init(){this.editor.commands.add("imageTextAlternative",new Jl(this.editor))}}function Xl({emitter:t,activator:e,callback:n,contextElements:i}){t.listenTo(document,"mousedown",(t,{target:o})=>{if(e()){for(const t of i)if(t.contains(o))return;n()}})}n(38);class tu extends _a{constructor(t,e){super(t);const n=`ck-input-${ve()}`,i=`ck-status-${ve()}`;this.set("label"),this.set("value"),this.set("isReadOnly",!1),this.set("errorText",null),this.set("infoText",null),this.labelView=this._createLabelView(n),this.inputView=this._createInputView(e,n,i),this.statusView=this._createStatusView(i),this.bind("_statusText").to(this,"errorText",this,"infoText",(t,e)=>t||e);const o=this.bindTemplate;this.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-input",o.if("isReadOnly","ck-disabled")]},children:[this.labelView,this.inputView,this.statusView]})}_createLabelView(t){const e=new ka(this.locale);return e.for=t,e.bind("text").to(this,"label"),e}_createInputView(t,e,n){const i=new t(this.locale,n);return i.id=e,i.ariaDescribedById=n,i.bind("value").to(this),i.bind("isReadOnly").to(this),i.bind("hasError").to(this,"errorText",t=>!!t),i.on("input",()=>{this.errorText=null}),i}_createStatusView(t){const e=new _a(this.locale),n=this.bindTemplate;return e.setTemplate({tag:"div",attributes:{class:["ck","ck-labeled-input__status",n.if("errorText","ck-labeled-input__status_error"),n.if("_statusText","ck-hidden",t=>!t)],id:t,role:n.if("errorText","alert")},children:[{text:n.to("_statusText")}]}),e}select(){this.inputView.select()}focus(){this.inputView.focus()}}n(40);class eu extends _a{constructor(t){super(t),this.set("value"),this.set("id"),this.set("placeholder"),this.set("isReadOnly",!1),this.set("hasError",!1),this.set("ariaDescribedById");const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{type:"text",class:["ck","ck-input","ck-input-text",e.if("hasError","ck-error")],id:e.to("id"),placeholder:e.to("placeholder"),readonly:e.to("isReadOnly"),"aria-invalid":e.if("hasError",!0),"aria-describedby":e.to("ariaDescribedById")},on:{input:e.to("input")}})}render(){super.render();const t=t=>{this.element.value=t||0===t?t:""};t(this.value),this.on("change:value",(e,n,i)=>{t(i)})}select(){this.element.select()}focus(){this.element.focus()}}function nu({view:t}){t.listenTo(t.element,"submit",(e,n)=>{n.preventDefault(),t.fire("submit")},{useCapture:!0})}var iu='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M6.972 16.615a.997.997 0 0 1-.744-.292l-4.596-4.596a1 1 0 1 1 1.414-1.414l3.926 3.926 9.937-9.937a1 1 0 0 1 1.414 1.415L7.717 16.323a.997.997 0 0 1-.745.292z"/></svg>',ou='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.591 10.177l4.243 4.242a1 1 0 0 1-1.415 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tab",focusNext:"tab"}}),this.setTemplate({tag:"form",attributes:{class:["ck","ck-text-alternative-form"],tabindex:"-1"},children:[this.labeledInput,this.saveButtonView,this.cancelButtonView]})}render(){super.render(),this.keystrokes.listenTo(this.element),nu({view:this}),[this.labeledInput,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)})}_createButton(t,e,n,i){const o=new Sc(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o.extendTemplate({attributes:{class:n}}),i&&o.delegate("execute").to(this,i),o}_createLabeledInputView(){const t=this.locale.t,e=new tu(this.locale,eu);return e.label=t("ca"),e.inputView.placeholder=t("ca"),e}}function su({element:t,target:e,positions:n,limiter:i,fitInViewport:o}){P(e)&&(e=e()),P(i)&&(i=i());const r=function(t){for(;t&&"html"!=t.tagName.toLowerCase();){if("static"!=bi.window.getComputedStyle(t).position)return t;t=t.parentElement}return null}(t.parentElement),s=new go(t),a=new go(e);let c,l;if(i||o){const t=i&&new go(i).getVisible(),e=o&&new go(bi.window);[l,c]=function(t,e,n,i,o){let r,s,a=0,c=0;const l=n.getArea();return t.some(t=>{const[u,d]=au(t,e,n);let h,f;if(i)if(o){const t=i.getIntersection(o);h=t?t.getIntersectionArea(d):0}else h=i.getIntersectionArea(d);function p(){c=f,a=h,r=d,s=u}return o&&(f=o.getIntersectionArea(d)),o&&!i?f>c&&p():!o&&i?h>a&&p():f>c&&h>=a?p():f>=c&&h>a&&p(),h===l}),r?[s,r]:null}(n,a,s,t,e)||au(n[0],a,s)}else[l,c]=au(n[0],a,s);let{left:u,top:d}=cu(c);if(r){const t=cu(new go(r)),e=fo(r);u-=t.left,d-=t.top,u+=r.scrollLeft,d+=r.scrollTop,u-=e.left,d-=e.top}return{left:u,top:d,name:l}}function au(t,e,n){const{left:i,top:o,name:r}=t(e,n);return[r,n.clone().moveTo(i,o)]}function cu({left:t,top:e}){const{scrollX:n,scrollY:i}=bi.window;return{left:t+n,top:e+i}}n(44);const lu=Ta("px"),uu=bi.document.body;class du extends _a{constructor(t){super(t);const e=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("position","arrow_nw"),this.set("isVisible",!1),this.set("withArrow",!0),this.set("class"),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-panel",e.to("position",t=>`ck-balloon-panel_${t}`),e.if("isVisible","ck-balloon-panel_visible"),e.if("withArrow","ck-balloon-panel_with-arrow"),e.to("class")],style:{top:e.to("top",lu),left:e.to("left",lu)}},children:this.content})}show(){this.isVisible=!0}hide(){this.isVisible=!1}attachTo(t){this.show();const e=du.defaultPositions,n=Object.assign({},{element:this.element,positions:[e.southArrowNorth,e.southArrowNorthWest,e.southArrowNorthEast,e.northArrowSouth,e.northArrowSouthWest,e.northArrowSouthEast],limiter:uu,fitInViewport:!0},t),i=du._getOptimalPosition(n),o=parseInt(i.left),r=parseInt(i.top),s=i.name;Object.assign(this,{top:r,left:o,position:s})}pin(t){this.unpin(),this._pinWhenIsVisibleCallback=(()=>{this.isVisible?this._startPinning(t):this._stopPinning()}),this._startPinning(t),this.listenTo(this,"change:isVisible",this._pinWhenIsVisibleCallback)}unpin(){this._pinWhenIsVisibleCallback&&(this._stopPinning(),this.stopListening(this,"change:isVisible",this._pinWhenIsVisibleCallback),this._pinWhenIsVisibleCallback=null,this.hide())}_startPinning(t){this.attachTo(t);const e=hu(t.target),n=t.limiter?hu(t.limiter):uu;this.listenTo(bi.document,"scroll",(i,o)=>{const r=o.target,s=e&&r.contains(e),a=n&&r.contains(n);!s&&!a&&e&&n||this.attachTo(t)},{useCapture:!0}),this.listenTo(bi.window,"resize",()=>{this.attachTo(t)})}_stopPinning(){this.stopListening(bi.document,"scroll"),this.stopListening(bi.window,"resize")}}function hu(t){return pe(t)?t:ho(t)?t.commonAncestorContainer:"function"==typeof t?hu(t()):null}function fu(t,e){return t.top-e.height-du.arrowVerticalOffset}function pu(t){return t.bottom+du.arrowVerticalOffset}du.arrowHorizontalOffset=25,du.arrowVerticalOffset=10,du._getOptimalPosition=su,du.defaultPositions={northArrowSouth:(t,e)=>({top:fu(t,e),left:t.left+t.width/2-e.width/2,name:"arrow_s"}),northArrowSouthEast:(t,e)=>({top:fu(t,e),left:t.left+t.width/2-e.width+du.arrowHorizontalOffset,name:"arrow_se"}),northArrowSouthWest:(t,e)=>({top:fu(t,e),left:t.left+t.width/2-du.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouth:(t,e)=>({top:fu(t,e),left:t.left-e.width/2,name:"arrow_s"}),northWestArrowSouthWest:(t,e)=>({top:fu(t,e),left:t.left-du.arrowHorizontalOffset,name:"arrow_sw"}),northWestArrowSouthEast:(t,e)=>({top:fu(t,e),left:t.left-e.width+du.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouth:(t,e)=>({top:fu(t,e),left:t.right-e.width/2,name:"arrow_s"}),northEastArrowSouthEast:(t,e)=>({top:fu(t,e),left:t.right-e.width+du.arrowHorizontalOffset,name:"arrow_se"}),northEastArrowSouthWest:(t,e)=>({top:fu(t,e),left:t.right-du.arrowHorizontalOffset,name:"arrow_sw"}),southArrowNorth:(t,e)=>({top:pu(t),left:t.left+t.width/2-e.width/2,name:"arrow_n"}),southArrowNorthEast:(t,e)=>({top:pu(t),left:t.left+t.width/2-e.width+du.arrowHorizontalOffset,name:"arrow_ne"}),southArrowNorthWest:(t,e)=>({top:pu(t),left:t.left+t.width/2-du.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorth:(t,e)=>({top:pu(t),left:t.left-e.width/2,name:"arrow_n"}),southWestArrowNorthWest:(t,e)=>({top:pu(t),left:t.left-du.arrowHorizontalOffset,name:"arrow_nw"}),southWestArrowNorthEast:(t,e)=>({top:pu(t),left:t.left-e.width+du.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorth:(t,e)=>({top:pu(t),left:t.right-e.width/2,name:"arrow_n"}),southEastArrowNorthEast:(t,e)=>({top:pu(t),left:t.right-e.width+du.arrowHorizontalOffset,name:"arrow_ne"}),southEastArrowNorthWest:(t,e)=>({top:pu(t),left:t.right-du.arrowHorizontalOffset,name:"arrow_nw"})};var gu='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.463 5.187a.888.888 0 1 1 1.254 1.255L9.16 10l3.557 3.557a.888.888 0 1 1-1.254 1.255L7.26 10.61a.888.888 0 0 1 .16-1.382l4.043-4.042z" /></svg>\n',mu='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M8.537 14.813a.888.888 0 1 1-1.254-1.255L10.84 10 7.283 6.442a.888.888 0 1 1 1.254-1.255L12.74 9.39a.888.888 0 0 1-.16 1.382l-4.043 4.042z"/></svg>\n';n(46),n(48);const bu=Ta("px");class wu extends Ra{static get pluginName(){return"ContextualBalloon"}constructor(t){super(t),this.positionLimiter=(()=>{const t=this.editor.editing.view,e=t.document.selection.editableElement;return e?t.domConverter.mapViewToDom(e.root):null}),this.set("visibleView",null),this.view=new du(t.locale),t.ui.view.body.add(this.view),t.ui.focusTracker.add(this.view.element),this._viewToStack=new Map,this._idToStack=new Map,this.set("_numberOfStacks",0),this.set("_singleViewMode",!1),this._rotatorView=this._createRotatorView(),this._fakePanelsView=this._createFakePanelsView()}hasView(t){return Array.from(this._viewToStack.keys()).includes(t)}add(t){if(this.hasView(t.view))throw new be.b("contextualballoon-add-view-exist: Cannot add configuration of the same view twice.",[this,t]);const e=t.stackId||"main";if(!this._idToStack.has(e))return this._idToStack.set(e,new Map([[t.view,t]])),this._viewToStack.set(t.view,this._idToStack.get(e)),this._numberOfStacks=this._idToStack.size,void(this._visibleStack&&!t.singleViewMode||this.showStack(e));const n=this._idToStack.get(e);t.singleViewMode&&this.showStack(e),n.set(t.view,t),this._viewToStack.set(t.view,n),n===this._visibleStack&&this._showView(t)}remove(t){if(!this.hasView(t))throw new be.b("contextualballoon-remove-view-not-exist: Cannot remove the configuration of a non-existent view.",[this,t]);const e=this._viewToStack.get(t);this._singleViewMode&&this.visibleView===t&&(this._singleViewMode=!1),this.visibleView===t&&(1===e.size?this._idToStack.size>1?this._showNextStack():(this.view.hide(),this.visibleView=null,this._rotatorView.hideView()):this._showView(Array.from(e.values())[e.size-2])),1===e.size?(this._idToStack.delete(this._getStackId(e)),this._numberOfStacks=this._idToStack.size):e.delete(t),this._viewToStack.delete(t)}updatePosition(t){t&&(this._visibleStack.get(this.visibleView).position=t),this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition()}showStack(t){this.visibleStack=t;const e=this._idToStack.get(t);if(!e)throw new be.b("contextualballoon-showstack-stack-not-exist: Cannot show a stack that does not exist.",this);this._visibleStack!==e&&this._showView(Array.from(e.values()).pop())}get _visibleStack(){return this._viewToStack.get(this.visibleView)}_getStackId(t){return Array.from(this._idToStack.entries()).find(e=>e[1]===t)[0]}_showNextStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)+1;t[e]||(e=0),this.showStack(this._getStackId(t[e]))}_showPrevStack(){const t=Array.from(this._idToStack.values());let e=t.indexOf(this._visibleStack)-1;t[e]||(e=t.length-1),this.showStack(this._getStackId(t[e]))}_createRotatorView(){const t=new _u(this.editor.locale),e=this.editor.locale.t;return this.view.content.add(t),t.bind("isNavigationVisible").to(this,"_numberOfStacks",this,"_singleViewMode",(t,e)=>!e&&t>1),t.on("change:isNavigationVisible",()=>this.updatePosition(),{priority:"low"}),t.bind("counter").to(this,"visibleView",this,"_numberOfStacks",(t,n)=>{if(n<2)return"";const i=Array.from(this._idToStack.values()).indexOf(this._visibleStack)+1;return e("bp",[i,n])}),t.buttonNextView.on("execute",()=>{t.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showNextStack()}),t.buttonPrevView.on("execute",()=>{t.focusTracker.isFocused&&this.editor.editing.view.focus(),this._showPrevStack()}),t}_createFakePanelsView(){const t=new vu(this.editor.locale,this.view);return t.bind("numberOfPanels").to(this,"_numberOfStacks",this,"_singleViewMode",(t,e)=>!e&&t>=2?Math.min(t-1,2):0),t.listenTo(this.view,"change:top",()=>t.updatePosition()),t.listenTo(this.view,"change:left",()=>t.updatePosition()),this.editor.ui.view.body.add(t),t}_showView({view:t,balloonClassName:e="",withArrow:n=!0,singleViewMode:i=!1}){this.view.class=e,this.view.withArrow=n,this._rotatorView.showView(t),this.visibleView=t,this.view.pin(this._getBalloonPosition()),this._fakePanelsView.updatePosition(),i&&(this._singleViewMode=!0)}_getBalloonPosition(){let t=Array.from(this._visibleStack.values()).pop().position;return t&&!t.limiter&&(t=Object.assign({},t,{limiter:this.positionLimiter})),t}}class _u extends _a{constructor(t){super(t);const e=t.t,n=this.bindTemplate;this.set("isNavigationVisible",!0),this.focusTracker=new Hs,this.buttonPrevView=this._createButtonView(e("bq"),gu),this.buttonNextView=this._createButtonView(e("br"),mu),this.content=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-balloon-rotator"],"z-index":"-1"},children:[{tag:"div",attributes:{class:["ck-balloon-rotator__navigation",n.to("isNavigationVisible",t=>t?"":"ck-hidden")]},children:[this.buttonPrevView,{tag:"span",attributes:{class:["ck-balloon-rotator__counter"]},children:[{text:n.to("counter")}]},this.buttonNextView]},{tag:"div",attributes:{class:"ck-balloon-rotator__content"},children:this.content}]})}render(){super.render(),this.focusTracker.add(this.element)}showView(t){this.hideView(),this.content.add(t)}hideView(){this.content.clear()}_createButtonView(t,e){const n=new Sc(this.locale);return n.set({label:t,icon:e,tooltip:!0}),n}}class vu extends _a{constructor(t,e){super(t);const n=this.bindTemplate;this.set("top",0),this.set("left",0),this.set("height",0),this.set("width",0),this.set("numberOfPanels",0),this.content=this.createCollection(),this._balloonPanelView=e,this.setTemplate({tag:"div",attributes:{class:["ck-fake-panel",n.to("numberOfPanels",t=>t?"":"ck-hidden")],style:{top:n.to("top",bu),left:n.to("left",bu),width:n.to("width",bu),height:n.to("height",bu)}},children:this.content}),this.on("change:numberOfPanels",(t,e,n,i)=>{n>i?this._addPanels(n-i):this._removePanels(i-n),this.updatePosition()})}_addPanels(t){for(;t--;){const t=new _a;t.setTemplate({tag:"div"}),this.content.add(t),this.registerChild(t)}}_removePanels(t){for(;t--;){const t=this.content.last;this.content.remove(t),this.deregisterChild(t),t.destroy()}}updatePosition(){if(this.numberOfPanels){const{top:t,left:e}=this._balloonPanelView,{width:n,height:i}=new go(this._balloonPanelView.element);Object.assign(this,{top:t,left:e,width:n,height:i})}}}var ku='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M5.085 6.22L2.943 4.078a.75.75 0 1 1 1.06-1.06l2.592 2.59A11.094 11.094 0 0 1 10 5.068c4.738 0 8.578 3.101 8.578 5.083 0 1.197-1.401 2.803-3.555 3.887l1.714 1.713a.75.75 0 0 1-.09 1.138.488.488 0 0 1-.15.084.75.75 0 0 1-.821-.16L6.17 7.304c-.258.11-.51.233-.757.365l6.239 6.24-.006.005.78.78c-.388.094-.78.166-1.174.215l-1.11-1.11h.011L4.55 8.197a7.2 7.2 0 0 0-.665.514l-.112.098 4.897 4.897-.005.006 1.276 1.276a10.164 10.164 0 0 1-1.477-.117l-.479-.479-.009.009-4.863-4.863-.022.031a2.563 2.563 0 0 0-.124.2c-.043.077-.08.158-.108.241a.534.534 0 0 0-.028.133.29.29 0 0 0 .008.072.927.927 0 0 0 .082.226c.067.133.145.26.234.379l3.242 3.365.025.01.59.623c-3.265-.918-5.59-3.155-5.59-4.668 0-1.194 1.448-2.838 3.663-3.93zm7.07.531a4.632 4.632 0 0 1 1.108 5.992l.345.344.046-.018a9.313 9.313 0 0 0 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e=t.editing.view,n=du.defaultPositions;return{target:e.domConverter.viewToDom(e.document.selection.getSelectedElement()),positions:[n.northArrowSouth,n.northArrowSouthWest,n.northArrowSouthEast,n.southArrowNorth,n.southArrowNorthWest,n.southArrowNorthEast]}}class xu extends Ra{static get requires(){return[wu]}static get pluginName(){return"ImageTextAlternativeUI"}init(){this._createButton(),this._createForm()}destroy(){super.destroy(),this._form.destroy()}_createButton(){const t=this.editor,e=t.t;t.ui.componentFactory.add("imageTextAlternative",n=>{const i=t.commands.get("imageTextAlternative"),o=new Sc(n);return o.set({label:e("bs"),icon:ku,tooltip:!0}),o.bind("isEnabled").to(i,"isEnabled"),this.listenTo(o,"execute",()=>this._showForm()),o})}_createForm(){const t=this.editor,e=t.editing.view.document;this._balloon=this.editor.plugins.get("ContextualBalloon"),this._form=new ru(t.locale),this._form.render(),this.listenTo(this._form,"submit",()=>{t.execute("imageTextAlternative",{newValue:this._form.labeledInput.inputView.element.value}),this._hideForm(!0)}),this.listenTo(this._form,"cancel",()=>{this._hideForm(!0)}),this._form.keystrokes.set("Esc",(t,e)=>{this._hideForm(!0),e()}),this.listenTo(t.ui,"update",()=>{Fl(e.selection)?this._isVisible&&function(t){const e=t.plugins.get("ContextualBalloon");if(Fl(t.editing.view.document.selection)){const n=yu(t);e.updatePosition(n)}}(t):this._hideForm(!0)}),Xl({emitter:this._form,activator:()=>this._isVisible,contextElements:[this._balloon.view.element],callback:()=>this._hideForm()})}_showForm(){if(this._isVisible)return;const t=this.editor,e=t.commands.get("imageTextAlternative"),n=this._form.labeledInput;this._isInBalloon||this._balloon.add({view:this._form,position:yu(t)}),n.value=n.inputView.element.value=e.value||"",this._form.labeledInput.select()}_hideForm(t){this._isInBalloon&&(this._form.focusTracker.isFocused&&this._form.saveButtonView.focus(),this._balloon.remove(this._form),t&&this.editor.editing.view.focus())}get _isVisible(){return this._balloon.visibleView===this._form}get _isInBalloon(){return this._balloon.hasView(this._form)}}class Au extends Ra{static get requires(){return[Zl,xu]}static get pluginName(){return"ImageTextAlternative"}}n(50);class Tu extends Ra{static get requires(){return[Hl,Ql,Au]}static get pluginName(){return"Image"}}class Cu extends _a{constructor(t){super(t),this.buttonView=new Sc(t),this._fileInputView=new Pu(t),this._fileInputView.bind("acceptedType").to(this),this._fileInputView.bind("allowMultipleFiles").to(this),this._fileInputView.delegate("done").to(this),this.setTemplate({tag:"span",attributes:{class:"ck-file-dialog-button"},children:[this.buttonView,this._fileInputView]}),this.buttonView.on("execute",()=>{this._fileInputView.open()})}focus(){this.buttonView.focus()}}class Pu extends _a{constructor(t){super(t),this.set("acceptedType"),this.set("allowMultipleFiles",!1);const e=this.bindTemplate;this.setTemplate({tag:"input",attributes:{class:["ck-hidden"],type:"file",tabindex:"-1",accept:e.to("acceptedType"),multiple:e.to("allowMultipleFiles")},on:{change:e.to(()=>{this.element&&this.element.files&&this.element.files.length&&this.fire("done",this.element.files),this.element.value=""})}})}open(){this.element.click()}}var Su='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M6.91 10.54c.26-.23.64-.21.88.03l3.36 3.14 2.23-2.06a.64.64 0 0 1 .87 0l2.52 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Ra{constructor(t){super(t),this.placeholder="data:image/svg+xml;utf8,"+encodeURIComponent(Iu)}init(){this.editor.editing.downcastDispatcher.on("attribute:uploadStatus:image",(...t)=>this.uploadStatusChange(...t))}uploadStatusChange(t,e,n){const i=this.editor,o=e.item,r=o.getAttribute("uploadId");if(!n.consumable.consume(e.item,t.name))return;const s=i.plugins.get(jc),a=r?e.attributeNewValue:null,c=this.placeholder,l=i.editing.mapper.toViewElement(o),u=n.writer;if("reading"==a)return Nu(l,u),void Ru(c,l,u);if("uploading"==a){const t=s.loaders.get(r);return Nu(l,u),void(t?(ju(l,u),function(t,e,n,i){const o=function(t){const e=t.createUIElement("div",{class:"ck-progress-bar"});return t.setCustomProperty("progressBar",!0,e),e}(e);e.insert(e.createPositionAt(t,"end"),o),n.on("change:uploadedPercent",(t,e,n)=>{i.change(t=>{t.setStyle("width",n+"%",o)})})}(l,u,t,i.editing.view),function(t,e,n){if(n.data){const i=t.getChild(0);e.setAttribute("src",n.data,i)}}(l,u,t)):Ru(c,l,u))}"complete"==a&&s.loaders.get(r)&&!Mn.isEdge&&function(t,e,n){const i=e.createUIElement("div",{class:"ck-image-upload-complete-icon"});e.insert(e.createPositionAt(t,"end"),i),setTimeout(()=>{n.change(t=>t.remove(t.createRangeOn(i)))},3e3)}(l,u,i.editing.view),Lu(l,u,"progressBar"),ju(l,u),function(t,e){u.removeClass("ck-appear",t)}(l)}}function Nu(t,e){t.hasClass("ck-appear")||e.addClass("ck-appear",t)}function Ru(t,e,n){e.hasClass("ck-image-upload-placeholder")||n.addClass("ck-image-upload-placeholder",e);const i=e.getChild(0);i.getAttribute("src")!==t&&n.setAttribute("src",t,i),Du(e,"placeholder")||n.insert(n.createPositionAfter(i),function(t){const e=t.createUIElement("div",{class:"ck-upload-placeholder-loader"});return t.setCustomProperty("placeholder",!0,e),e}(n))}function ju(t,e){t.hasClass("ck-image-upload-placeholder")&&e.removeClass("ck-image-upload-placeholder",t),Lu(t,e,"placeholder")}function Du(t,e){for(const n of t.getChildren())if(n.getCustomProperty(e))return n}function Lu(t,e,n){const i=Du(t,n);i&&e.remove(e.createRangeOn(i))}class Vu{createDocumentFragment(t){return new zn(t)}createElement(t,e,n){return new Be(t,e,n)}createText(t){return new je(t)}clone(t,e=!1){return t._clone(e)}appendChild(t,e){return e._appendChild(t)}insertChild(t,e,n){return n._insertChild(t,e)}removeChildren(t,e,n){return n._removeChildren(t,e)}remove(t){const e=t.parent;return e?this.removeChildren(e.getChildIndex(t),1,e):[]}replace(t,e){const n=t.parent;if(n){const i=n.getChildIndex(t);return this.removeChildren(i,1,n),this.insertChild(i,e,n),!0}return!1}unwrapElement(t){const e=t.parent;if(e){const n=e.getChildIndex(t);this.remove(t),this.insertChild(n,t.getChildren(),e)}}rename(t,e){const n=new Be(t,e.getAttributes(),e.getChildren());return this.replace(e,n)?n:null}setAttribute(t,e,n){n._setAttribute(t,e)}removeAttribute(t,e){e._removeAttribute(t)}addClass(t,e){e._addClass(t)}removeClass(t,e){e._removeClass(t)}setStyle(t,e,n){v(t)&&void 0===n&&(n=e),n._setStyle(t,e)}removeStyle(t,e){e._removeStyle(t)}setCustomProperty(t,e,n){n._setCustomProperty(t,e)}removeCustomProperty(t,e){return e._removeCustomProperty(t)}createPositionAt(t,e){return gn._createAt(t,e)}createPositionAfter(t){return gn._createAfter(t)}createPositionBefore(t){return gn._createBefore(t)}createRange(t,e){return new mn(t,e)}createRangeOn(t){return mn._createOn(t)}createRangeIn(t){return mn._createIn(t)}createSelection(t,e,n){return new _n(t,e,n)}}class zu extends za{refresh(){this.isEnabled=$l(this.editor.model)}execute(t){const e=this.editor,n=e.model,i=e.plugins.get(jc);n.change(e=>{const o=Array.isArray(t.file)?t.file:[t.file];for(const t of o)Fu(e,n,i,t)})}}function Fu(t,e,n,i){const o=n.createLoader(i);o&&Ul(t,e,{uploadId:o.id})}class Bu extends Ra{static get requires(){return[jc,fl]}init(){const t=this.editor,e=t.model.document,n=t.model.schema,i=t.conversion,o=t.plugins.get(jc);n.extend("image",{allowAttributes:["uploadId","uploadStatus"]}),t.commands.add("imageUpload",new zu(t)),i.for("upcast").attributeToAttribute({view:{name:"img",key:"uploadId"},model:"uploadId"}),this.listenTo(t.editing.view.document,"clipboardInput",(e,n)=>{if(function(t){return Array.from(t.types).includes("text/html")&&""!==t.getData("text/html")}(n.dataTransfer))return;const i=Array.from(n.dataTransfer.files).filter(t=>!!t&&Eu(t)),o=n.targetRanges.map(e=>t.editing.mapper.toModelRange(e));t.model.change(n=>{n.setSelection(o),i.length&&(e.stop(),t.model.enqueueChange("default",()=>{t.execute("imageUpload",{file:i})}))})}),t.plugins.has("Clipboard")&&this.listenTo(t.plugins.get("Clipboard"),"inputTransformation",(e,n)=>{const i=Array.from(t.editing.view.createRangeIn(n.content)).filter(t=>(function(t){return!(!t.is("element","img")||!t.getAttribute("src"))&&(t.getAttribute("src").match(/^data:image\/\w+;base64,/g)||t.getAttribute("src").match(/^blob:/g))})(t.item)&&!t.item.getAttribute("uploadProcessed")).map(t=>({promise:function(t){return new Promise((e,n)=>{const i=t.getAttribute("src");fetch(i).then(t=>t.blob()).then(t=>{const o=function(t,e){return t.type?t.type:e.match(/data:(image\/\w+);base64/)?e.match(/data:(image\/\w+);base64/)[1].toLowerCase():"image/jpeg"}(t,i),r=function(t,e,n){try{return new File([t],e,{type:n})}catch(t){return null}}(t,`image.${o.replace("image/","")}`,o);r?e(r):n()}).catch(n)})}(t.item),imageElement:t.item}));if(!i.length)return;const r=new Vu;for(const t of i){r.setAttribute("uploadProcessed",!0,t.imageElement);const e=o.createLoader(t.promise);e&&(r.setAttribute("src","",t.imageElement),r.setAttribute("uploadId",e.id,t.imageElement))}}),t.editing.view.document.on("dragover",(t,e)=>{e.preventDefault()}),e.on("change",()=>{const n=e.differ.getChanges({includeChangesInGraveyard:!0});for(const e of n)if("insert"==e.type&&"$text"!=e.name){const n=e.position.nodeAfter,i="$graveyard"==e.position.root.rootName;for(const e of Uu(t,n)){const t=e.getAttribute("uploadId");if(!t)continue;const n=o.loaders.get(t);n&&(i?n.abort():"idle"==n.status&&this._readAndUpload(n,e))}}})}_readAndUpload(t,e){const n=this.editor,i=n.model,o=n.locale.t,r=n.plugins.get(jc),s=n.plugins.get(fl);return i.enqueueChange("transparent",t=>{t.setAttribute("uploadStatus","reading",e)}),t.read().then(()=>{const o=t.upload();if(Mn.isSafari){const t=n.editing.mapper.toViewElement(e).getChild(0);n.editing.view.once("render",()=>{if(!t.parent)return;const e=n.editing.view.domConverter.mapViewToDom(t.parent);if(!e)return;const i=e.style.display;e.style.display="none",e._ckHack=e.offsetHeight,e.style.display=i})}return i.enqueueChange("transparent",t=>{t.setAttribute("uploadStatus","uploading",e)}),o}).then(t=>{i.enqueueChange("transparent",n=>{n.setAttributes({uploadStatus:"complete",src:t.default},e),this._parseAndSetSrcsetAttributeOnImage(t,e,n)}),a()}).catch(n=>{if("error"!==t.status&&"aborted"!==t.status)throw n;"error"==t.status&&n&&s.showWarning(n,{title:o("al"),namespace:"upload"}),a(),i.enqueueChange("transparent",t=>{t.remove(e)})});function a(){i.enqueueChange("transparent",t=>{t.removeAttribute("uploadId",e),t.removeAttribute("uploadStatus",e)}),r.destroyLoader(t)}}_parseAndSetSrcsetAttributeOnImage(t,e,n){let i=0;const o=Object.keys(t).filter(t=>{const e=parseInt(t,10);if(!isNaN(e))return i=Math.max(i,e),!0}).map(e=>`${t[e]} ${e}w`).join(", ");""!=o&&n.setAttribute("srcset",{data:o,width:i},e)}}function Uu(t,e){return Array.from(t.model.createRangeOn(e)).filter(t=>t.item.is("image")).map(t=>t.item)}class $u extends Ra{static get pluginName(){return"ImageUpload"}static get requires(){return[Bu,Mu,Ou]}}class qu extends za{refresh(){const t=this.editor.model,e=il(t.document.selection.getSelectedBlocks());this.value=!!e&&e.is("paragraph"),this.isEnabled=!!e&&Hu(e,t.schema)}execute(t={}){const e=this.editor.model,n=e.document;e.change(i=>{const o=(t.selection||n.selection).getSelectedBlocks();for(const t of o)!t.is("paragraph")&&Hu(t,e.schema)&&i.rename(t,"paragraph")})}}function Hu(t,e){return e.checkChild(t.parent,"paragraph")&&!e.isObject(t)}class Wu extends Ra{static get pluginName(){return"Paragraph"}init(){const t=this.editor,e=t.model,n=t.data;t.commands.add("paragraph",new qu(t)),e.schema.register("paragraph",{inheritAllFrom:"$block"}),t.conversion.elementToElement({model:"paragraph",view:"p"}),t.conversion.for("upcast").elementToElement({model:(t,e)=>Wu.paragraphLikeElements.has(t.name)?t.isEmpty?null:e.createElement("paragraph"):null,converterPriority:"low"}),n.upcastDispatcher.on("element",(t,e,n)=>{n.consumable.test(e.viewItem,{name:e.viewItem.name})&&Gu(e.viewItem,e.modelCursor,n.schema)&&Object.assign(e,Yu(e.viewItem,e.modelCursor,n))},{priority:"low"}),n.upcastDispatcher.on("text",(t,e,n)=>{e.modelRange||Gu(e.viewItem,e.modelCursor,n.schema)&&Object.assign(e,Yu(e.viewItem,e.modelCursor,n))},{priority:"lowest"}),e.document.registerPostFixer(t=>this._autoparagraphEmptyRoots(t)),t.data.on("ready",()=>{e.enqueueChange("transparent",t=>this._autoparagraphEmptyRoots(t))},{priority:"lowest"})}_autoparagraphEmptyRoots(t){const e=this.editor.model;for(const n of e.document.getRootNames()){const i=e.document.getRoot(n);if(i.isEmpty&&"$graveyard"!=i.rootName&&e.schema.checkChild(i,"paragraph"))return t.insertElement("paragraph",i),!0}}}function Yu(t,e,n){const i=n.writer.createElement("paragraph");return n.writer.insert(i,e),n.convertItem(t,n.writer.createPositionAt(i,0))}function Gu(t,e,n){const i=n.createContext(e);return!!n.checkChild(i,"paragraph")&&!!n.checkChild(i.push("paragraph"),t)}Wu.paragraphLikeElements=new Set(["blockquote","dd","div","dt","h1","h2","h3","h4","h5","h6","li","p","td"]);class Qu extends za{constructor(t,e){super(t),this.modelElements=e}refresh(){const t=il(this.editor.model.document.selection.getSelectedBlocks());this.value=!!t&&this.modelElements.includes(t.name)&&t.name,this.isEnabled=!!t&&this.modelElements.some(e=>Ku(t,e,this.editor.model.schema))}execute(t){const e=this.editor.model,n=e.document,i=t.value;e.change(t=>{const o=Array.from(n.selection.getSelectedBlocks()).filter(t=>Ku(t,i,e.schema));for(const e of o)e.is(i)||t.rename(e,i)})}}function Ku(t,e,n){return n.checkChild(t.parent,e)&&!n.isObject(t)}const Ju="paragraph";class Zu extends Ra{constructor(t){super(t),t.config.define("heading",{options:[{model:"paragraph",title:"Paragraph",class:"ck-heading_paragraph"},{model:"heading1",view:"h2",title:"Heading 1",class:"ck-heading_heading1"},{model:"heading2",view:"h3",title:"Heading 2",class:"ck-heading_heading2"},{model:"heading3",view:"h4",title:"Heading 3",class:"ck-heading_heading3"}]})}static get requires(){return[Wu]}init(){const t=this.editor,e=t.config.get("heading.options"),n=[];for(const i of e)i.model!==Ju&&(t.model.schema.register(i.model,{inheritAllFrom:"$block"}),t.conversion.elementToElement(i),n.push(i.model));this._addDefaultH1Conversion(t),t.commands.add("heading",new Qu(t,n))}afterInit(){const t=this.editor,e=t.commands.get("enter"),n=t.config.get("heading.options");e&&this.listenTo(e,"afterExecute",(e,i)=>{const o=t.model.document.selection.getFirstPosition().parent;n.some(t=>o.is(t.model))&&!o.is(Ju)&&0===o.childCount&&i.writer.rename(o,Ju)})}_addDefaultH1Conversion(t){t.conversion.for("upcast").elementToElement({model:"heading1",view:"h1",converterPriority:ke.get("low")+1})}}class Xu{constructor(t,e){e&&Ze(this,e),t&&this.set(t)}}Ie(Xu,on);class td extends _a{constructor(t){super(t);const e=this.bindTemplate;this.set("isVisible",!1),this.set("position","se"),this.children=this.createCollection(),this.setTemplate({tag:"div",attributes:{class:["ck","ck-reset","ck-dropdown__panel",e.to("position",t=>`ck-dropdown__panel_${t}`),e.if("isVisible","ck-dropdown__panel-visible")]},children:this.children,on:{selectstart:e.to(t=>t.preventDefault())}})}focus(){this.children.length&&this.children.first.focus()}focusLast(){if(this.children.length){const t=this.children.last;"function"==typeof t.focusLast?t.focusLast():t.focus()}}}n(58);class ed extends _a{constructor(t,e,n){super(t);const i=this.bindTemplate;this.buttonView=e,this.panelView=n,this.set("isOpen",!1),this.set("isEnabled",!0),this.set("class"),this.set("panelPosition","auto"),this.focusTracker=new Hs,this.keystrokes=new Ds,this.setTemplate({tag:"div",attributes:{class:["ck","ck-dropdown",i.to("class"),i.if("isEnabled","ck-disabled",t=>!t)]},children:[e,n]}),e.extendTemplate({attributes:{class:["ck-dropdown__button"]}})}render(){super.render(),this.listenTo(this.buttonView,"open",()=>{this.isOpen=!this.isOpen}),this.panelView.bind("isVisible").to(this,"isOpen"),this.on("change:isOpen",()=>{this.isOpen&&("auto"===this.panelPosition?this.panelView.position=ed._getOptimalPosition({element:this.panelView.element,target:this.buttonView.element,fitInViewport:!0,positions:this._panelPositions}).name:this.panelView.position=this.panelPosition)}),this.keystrokes.listenTo(this.element),this.focusTracker.add(this.element);const t=(t,e)=>{this.isOpen&&(this.buttonView.focus(),this.isOpen=!1,e())};this.keystrokes.set("arrowdown",(t,e)=>{this.buttonView.isEnabled&&!this.isOpen&&(this.isOpen=!0,e())}),this.keystrokes.set("arrowright",(t,e)=>{this.isOpen&&e()}),this.keystrokes.set("arrowleft",t),this.keystrokes.set("esc",t)}focus(){this.buttonView.focus()}get _panelPositions(){const{southEast:t,southWest:e,northEast:n,northWest:i}=ed.defaultPanelPositions;return"ltr"===this.locale.uiLanguageDirection?[t,e,n,i]:[e,t,i,n]}}ed.defaultPanelPositions={southEast:t=>({top:t.bottom,left:t.left,name:"se"}),southWest:(t,e)=>({top:t.bottom,left:t.left-e.width+t.width,name:"sw"}),northEast:(t,e)=>({top:t.top-e.height,left:t.left,name:"ne"}),northWest:(t,e)=>({top:t.bottom-e.height,left:t.left-e.width+t.width,name:"nw"})},ed._getOptimalPosition=su;var nd='<svg viewBox="0 0 10 10" xmlns="http://www.w3.org/2000/svg"><path d="M.941 4.523a.75.75 0 1 1 1.06-1.06l3.006 3.005 3.005-3.005a.75.75 0 1 1 1.06 1.06l-3.549 3.55a.75.75 0 0 1-1.168-.136L.941 4.523z"/></svg>';class id extends Sc{constructor(t){super(t),this.arrowView=this._createArrowView(),this.extendTemplate({attributes:{"aria-haspopup":!0}}),this.delegate("execute").to(this,"open")}render(){super.render(),this.children.add(this.arrowView)}_createArrowView(){const t=new Cc;return t.content=nd,t.extendTemplate({attributes:{class:"ck-dropdown__arrow"}}),t}}n(60);class od extends _a{constructor(){super(),this.items=this.createCollection(),this.focusTracker=new Hs,this.keystrokes=new Ds,this._focusCycler=new Sa({focusables:this.items,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"arrowup",focusNext:"arrowdown"}}),this.setTemplate({tag:"ul",attributes:{class:["ck","ck-reset","ck-list"]},children:this.items})}render(){super.render();for(const t of this.items)this.focusTracker.add(t.element);this.items.on("add",(t,e)=>{this.focusTracker.add(e.element)}),this.items.on("remove",(t,e)=>{this.focusTracker.remove(e.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}focusLast(){this._focusCycler.focusLast()}}class rd extends _a{constructor(t){super(t),this.children=this.createCollection(),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__item"]},children:this.children})}focus(){this.children.first.focus()}}class sd extends _a{constructor(t){super(t),this.setTemplate({tag:"li",attributes:{class:["ck","ck-list__separator"]}})}}n(62);class ad extends Sc{constructor(t){super(t),this.isToggleable=!0,this.toggleSwitchView=this._createToggleView(),this.extendTemplate({attributes:{class:"ck-switchbutton"}})}render(){super.render(),this.children.add(this.toggleSwitchView)}_createToggleView(){const t=new _a;return t.setTemplate({tag:"span",attributes:{class:["ck","ck-button__toggle"]},children:[{tag:"span",attributes:{class:["ck","ck-button__toggle__inner"]}}]}),t}}function cd(t,e=id){const n=new e(t),i=new td(t),o=new ed(t,n,i);return n.bind("isEnabled").to(o),n instanceof id?n.bind("isOn").to(o,"isOpen"):n.arrowView.bind("isOn").to(o,"isOpen"),function(t){(function(t){t.on("render",()=>{Xl({emitter:t,activator:()=>t.isOpen,callback:()=>{t.isOpen=!1},contextElements:[t.element]})})})(t),function(t){t.on("execute",e=>{e.source instanceof ad||(t.isOpen=!1)})}(t),function(t){t.keystrokes.set("arrowdown",(e,n)=>{t.isOpen&&(t.panelView.focus(),n())}),t.keystrokes.set("arrowup",(e,n)=>{t.isOpen&&(t.panelView.focusLast(),n())})}(t)}(o),o}function ld(t,e){const n=t.locale,i=t.listView=new od(n);i.items.bindTo(e).using(({type:t,model:e})=>{if("separator"===t)return new sd(n);if("button"===t||"switchbutton"===t){const i=new rd(n);let o;return(o="button"===t?new Sc(n):new ad(n)).bind(...Object.keys(e)).to(e),o.delegate("execute").to(i),i.children.add(o),i}}),t.panelView.children.add(i),i.items.delegate("execute").to(t)}n(64),n(66),n(10);class ud extends Ra{init(){const t=this.editor,e=t.t,n=function(t){const e=t.t,n={Paragraph:e("bt"),"Heading 1":e("bu"),"Heading 2":e("bv"),"Heading 3":e("bw"),"Heading 4":e("bx"),"Heading 5":e("by"),"Heading 6":e("bz")};return t.config.get("heading.options").map(t=>{const e=n[t.title];return e&&e!=t.title&&(t.title=e),t})}(t),i=e("h"),o=e("i");t.ui.componentFactory.add("heading",e=>{const r={},s=new kn,a=t.commands.get("heading"),c=t.commands.get("paragraph"),l=[a];for(const t of n){const e={type:"button",model:new Xu({label:t.title,class:t.class,withText:!0})};"paragraph"===t.model?(e.model.bind("isOn").to(c,"value"),e.model.set("commandName","paragraph"),l.push(c)):(e.model.bind("isOn").to(a,"value",e=>e===t.model),e.model.set({commandName:"heading",commandValue:t.model})),s.add(e),r[t.model]=t.title}const u=cd(e);return ld(u,s),u.buttonView.set({isOn:!1,withText:!0,tooltip:o}),u.extendTemplate({attributes:{class:["ck-heading-dropdown"]}}),u.bind("isEnabled").toMany(l,"isEnabled",(...t)=>t.some(t=>t)),u.buttonView.bind("label").to(a,"value",c,"value",(t,e)=>{const n=t||e&&"paragraph";return r[n]?r[n]:i}),this.listenTo(u,"execute",e=>{t.execute(e.source.commandName,e.source.commandValue?{value:e.source.commandValue}:void 0),t.editing.view.focus()}),u})}}function dd(t){for(const e of t.getChildren())if(e&&e.is("caption"))return e;return null}function hd(t){const e=t.parent;return"figcaption"==t.name&&e&&"figure"==e.name&&e.hasClass("image")?{name:!0}:null}class fd extends Ra{init(){const t=this.editor,e=t.editing.view,n=t.model.schema,i=t.data,o=t.editing,r=t.t;n.register("caption",{allowIn:"image",allowContentOf:"$block",isLimit:!0}),t.model.document.registerPostFixer(t=>this._insertMissingModelCaptionElement(t)),t.conversion.for("upcast").elementToElement({view:hd,model:"caption"}),i.downcastDispatcher.on("insert:caption",pd(t=>t.createContainerElement("figcaption"),!1));const s=function(t,e){return n=>{const i=n.createEditableElement("figcaption");return n.setCustomProperty("imageCaption",!0,i),Gs({view:t,element:i,text:e}),Ll(i,n)}}(e,r("ak"));o.downcastDispatcher.on("insert:caption",pd(s)),o.downcastDispatcher.on("insert",this._fixCaptionVisibility(t=>t.item),{priority:"high"}),o.downcastDispatcher.on("remove",this._fixCaptionVisibility(t=>t.position.parent),{priority:"high"}),e.document.registerPostFixer(t=>this._updateCaptionVisibility(t))}_updateCaptionVisibility(t){const e=this.editor.editing.mapper,n=this._lastSelectedCaption;let i;const o=this.editor.model.document.selection,r=o.getSelectedElement();if(r&&r.is("image")){const t=dd(r);i=e.toViewElement(t)}const s=gd(o.getFirstPosition().parent);if(s&&(i=e.toViewElement(s)),i)return n?n===i?bd(i,t):(md(n,t),this._lastSelectedCaption=i,bd(i,t)):(this._lastSelectedCaption=i,bd(i,t));if(n){const e=md(n,t);return this._lastSelectedCaption=null,e}return!1}_fixCaptionVisibility(t){return(e,n,i)=>{const o=gd(t(n)),r=this.editor.editing.mapper,s=i.writer;if(o){const t=r.toViewElement(o);t&&(o.childCount?s.removeClass("ck-hidden",t):s.addClass("ck-hidden",t))}}}_insertMissingModelCaptionElement(t){const e=this.editor.model,n=e.document.differ.getChanges(),i=[];for(const t of n)if("insert"==t.type&&"$text"!=t.name){const n=t.position.nodeAfter;if(n.is("image")&&!dd(n)&&i.push(n),!n.is("image")&&n.childCount)for(const t of e.createRangeIn(n).getItems())t.is("image")&&!dd(t)&&i.push(t)}for(const e of i)t.appendElement("caption",e);return!!i.length}}function pd(t,e=!0){return(n,i,o)=>{const r=i.item;if((r.childCount||e)&&Bl(r.parent)){if(!o.consumable.consume(i.item,"insert"))return;const e=o.mapper.toViewElement(i.range.start.parent),n=t(o.writer),s=o.writer;r.childCount||s.addClass("ck-hidden",n),function(t,e,n,i){const o=i.writer.createPositionAt(n,"end");i.writer.insert(o,t),i.mapper.bindElements(e,t)}(n,i.item,e,o)}}}function gd(t){const e=t.getAncestors({includeSelf:!0}).find(t=>"caption"==t.name);return e&&e.parent&&"image"==e.parent.name?e:null}function md(t,e){return!t.childCount&&!t.hasClass("ck-hidden")&&(e.addClass("ck-hidden",t),!0)}function bd(t,e){return!!t.hasClass("ck-hidden")&&(e.removeClass("ck-hidden",t),!0)}n(69);class wd extends za{constructor(t,e){super(t),this.defaultStyle=!1,this.styles=e.reduce((t,e)=>(t[e.name]=e,e.isDefault&&(this.defaultStyle=e.name),t),{})}refresh(){const t=this.editor.model.document.selection.getSelectedElement();if(this.isEnabled=Bl(t),t)if(t.hasAttribute("imageStyle")){const e=t.getAttribute("imageStyle");this.value=!!this.styles[e]&&e}else this.value=this.defaultStyle;else this.value=!1}execute(t){const e=t.value,n=this.editor.model,i=n.document.selection.getSelectedElement();n.change(t=>{this.styles[e].isDefault?t.removeAttribute("imageStyle",i):t.setAttribute("imageStyle",e,i)})}}function _d(t,e){for(const n of e)if(n.name===t)return n}var vd='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 4.5V3h16v1.5zm2.5 3V12h11V7.5h-11zM4.061 6H15.94c.586 0 1.061.407 1.061.91v5.68c0 .503-.475.91-1.061.91H4.06c-.585 0-1.06-.407-1.06-.91V6.91C3 6.406 3.475 6 4.061 6zM2 16.5V15h16v1.5z"/></svg>',kd='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" clip-rule="evenodd" stroke-linejoin="round" stroke-miterlimit="1.414"><path d="M18 4.5V3H2v1.5h16zm0 3V6h-5.674v1.5H18zm0 3V9h-5.674v1.5H18zm0 3V12h-5.674v1.5H18zm-8.5-6V12h-6V7.5h6zm.818-1.5H2.682C2.305 6 2 6.407 2 6.91v5.68c0 .503.305.91.682.91h7.636c.377 0 .682-.407.682-.91V6.91c0-.503-.305-.91-.682-.91zM18 16.5V15H2v1.5h16z"/></svg>',yd='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 4.5V3h16v1.5zm4.5 3V12h7V7.5h-7zM5.758 6h8.484c.419 0 .758.407.758.91v5.681c0 .502-.34.909-.758.909H5.758c-.419 0-.758-.407-.758-.91V6.91c0-.503.34-.91.758-.91zM2 16.5V15h16v1.5z"/></svg>',xd='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2 4.5V3h16v1.5zm0 3V6h5.674v1.5zm0 3V9h5.674v1.5zm0 3V12h5.674v1.5zm8.5-6V12h6V7.5h-6zM9.682 6h7.636c.377 0 .682.407.682.91v5.68c0 .503-.305.91-.682.91H9.682c-.377 0-.682-.407-.682-.91V6.91c0-.503.305-.91.682-.91zM2 16.5V15h16v1.5z"/></svg>';const Ad={full:{name:"full",title:"Full size image",icon:vd,isDefault:!0},side:{name:"side",title:"Side image",icon:xd,className:"image-style-side"},alignLeft:{name:"alignLeft",title:"Left aligned image",icon:kd,className:"image-style-align-left"},alignCenter:{name:"alignCenter",title:"Centered image",icon:yd,className:"image-style-align-center"},alignRight:{name:"alignRight",title:"Right aligned image",icon:xd,className:"image-style-align-right"}},Td={full:vd,left:kd,right:xd,center:yd};function Cd(t=[]){return t.map(Pd)}function Pd(t){if("string"==typeof t){const e=t;Ad[e]?t=Object.assign({},Ad[e]):(console.warn(Object(be.a)("image-style-not-found: There is no such image style of given name."),{name:e}),t={name:e})}else if(Ad[t.name]){const e=Ad[t.name],n=Object.assign({},t);for(const i in e)t.hasOwnProperty(i)||(n[i]=e[i]);t=n}return"string"==typeof t.icon&&Td[t.icon]&&(t.icon=Td[t.icon]),t}class Sd extends Ra{static get pluginName(){return"ImageStyleEditing"}init(){const t=this.editor,e=t.model.schema,n=t.data,i=t.editing;t.config.define("image.styles",["full","side"]);const o=Cd(t.config.get("image.styles"));e.extend("image",{allowAttributes:"imageStyle"});const r=function(t){return(e,n,i)=>{if(!i.consumable.consume(n.item,e.name))return;const o=_d(n.attributeNewValue,t),r=_d(n.attributeOldValue,t),s=i.mapper.toViewElement(n.item),a=i.writer;r&&a.removeClass(r.className,s),o&&a.addClass(o.className,s)}}(o);i.downcastDispatcher.on("attribute:imageStyle:image",r),n.downcastDispatcher.on("attribute:imageStyle:image",r),n.upcastDispatcher.on("element:figure",function(t){const e=o.filter(t=>!t.isDefault);return(t,n,i)=>{if(!n.modelRange)return;const o=n.viewItem,r=il(n.modelRange.getItems());if(i.schema.checkAttribute(r,"imageStyle"))for(const t of e)i.consumable.consume(o,{classes:t.className})&&i.writer.setAttribute("imageStyle",t.name,r)}}(),{priority:"low"}),t.commands.add("imageStyle",new wd(t,o))}}n(71);class Ed extends Ra{static get pluginName(){return"ImageStyleUI"}get localizedDefaultStylesTitles(){const t=this.editor.t;return{"Full size image":t("k"),"Side image":t("l"),"Left aligned image":t("m"),"Centered image":t("n"),"Right aligned image":t("o")}}init(){const t=function(t,e){for(const n of t)e[n.title]&&(n.title=e[n.title]);return t}(Cd(this.editor.config.get("image.styles")),this.localizedDefaultStylesTitles);for(const e of t)this._createButton(e)}_createButton(t){const e=this.editor,n=`imageStyle:${t.name}`;e.ui.componentFactory.add(n,n=>{const i=e.commands.get("imageStyle"),o=new Sc(n);return o.set({label:t.title,icon:t.icon,tooltip:!0,isToggleable:!0}),o.bind("isEnabled").to(i,"isEnabled"),o.bind("isOn").to(i,"value",e=>e===t.name),this.listenTo(o,"execute",()=>e.execute("imageStyle",{value:t.name})),o})}}class Md extends Ra{static get requires(){return[wu]}static get pluginName(){return"WidgetToolbarRepository"}init(){const t=this.editor;if(t.plugins.has("BalloonToolbar")){const e=t.plugins.get("BalloonToolbar");this.listenTo(e,"show",e=>{(function(t){const e=t.getSelectedElement();return!(!e||!Rl(e))})(t.editing.view.document.selection)&&e.stop()},{priority:"high"})}this._toolbarDefinitions=new Map,this._balloon=this.editor.plugins.get("ContextualBalloon"),this.listenTo(t.ui,"update",()=>{this._updateToolbarsVisibility()}),this.listenTo(t.ui.focusTracker,"change:isFocused",()=>{this._updateToolbarsVisibility()},{priority:"low"})}destroy(){super.destroy();for(const t of this._toolbarDefinitions.values())t.view.destroy()}register(t,{ariaLabel:e,items:n,getRelatedElement:i,balloonClassName:o="ck-toolbar-container"}){const r=this.editor,s=r.t,a=new Ia(r.locale);if(a.ariaLabel=e||s("av"),this._toolbarDefinitions.has(t))throw new be.b("widget-toolbar-duplicated: Toolbar with the given id was already added.",this,{toolbarId:t});a.fillFromConfig(n,r.ui.componentFactory),this._toolbarDefinitions.set(t,{view:a,getRelatedElement:i,balloonClassName:o})}_updateToolbarsVisibility(){let t=0,e=null,n=null;for(const i of this._toolbarDefinitions.values()){const o=i.getRelatedElement(this.editor.editing.view.document.selection);if(this.editor.ui.focusTracker.isFocused)if(o){const r=o.getAncestors().length;r>t&&(t=r,e=o,n=i)}else this._isToolbarInBalloon(i)&&this._hideToolbar(i);else this._isToolbarVisible(i)&&this._hideToolbar(i)}n&&this._showToolbar(n,e)}_hideToolbar(t){this._balloon.remove(t.view),this.stopListening(this._balloon,"change:visibleView")}_showToolbar(t,e){this._isToolbarVisible(t)?Id(this.editor,e):this._isToolbarInBalloon(t)||(this._balloon.add({view:t.view,position:Od(this.editor,e),balloonClassName:t.balloonClassName}),this.listenTo(this._balloon,"change:visibleView",()=>{for(const t of this._toolbarDefinitions.values())if(this._isToolbarVisible(t)){const e=t.getRelatedElement(this.editor.editing.view.document.selection);Id(this.editor,e)}}))}_isToolbarVisible(t){return this._balloon.visibleView===t.view}_isToolbarInBalloon(t){return this._balloon.hasView(t.view)}}function Id(t,e){const n=t.plugins.get("ContextualBalloon"),i=Od(t,e);n.updatePosition(i)}function Od(t,e){const n=t.editing.view,i=du.defaultPositions;return{target:n.domConverter.mapViewToDom(e),positions:[i.northArrowSouth,i.northArrowSouthWest,i.northArrowSouthEast,i.southArrowNorth,i.southArrowNorthWest,i.southArrowNorthEast]}}function Nd(t,e,n){return n.createRange(Rd(t,e,!0,n),Rd(t,e,!1,n))}function Rd(t,e,n,i){let o=t.textNode||(n?t.nodeBefore:t.nodeAfter),r=null;for(;o&&o.getAttribute("linkHref")==e;)r=o,o=n?o.previousSibling:o.nextSibling;return r?i.createPositionAt(r,n?"before":"after"):t}class jd extends za{constructor(t){super(t),this.manualDecorators=new kn}restoreManualDecoratorStates(){for(const t of this.manualDecorators)t.value=this._getDecoratorStateFromModel(t.id)}refresh(){const t=this.editor.model,e=t.document;this.value=e.selection.getAttribute("linkHref");for(const t of this.manualDecorators)t.value=this._getDecoratorStateFromModel(t.id);this.isEnabled=t.schema.checkAttributeInSelection(e.selection,"linkHref")}execute(t,e={}){const n=this.editor.model,i=n.document.selection,o=[],r=[];for(const t in e)e[t]?o.push(t):r.push(t);n.change(e=>{if(i.isCollapsed){const s=i.getFirstPosition();if(i.hasAttribute("linkHref")){const a=Nd(s,i.getAttribute("linkHref"),n);e.setAttribute("linkHref",t,a),o.forEach(t=>{e.setAttribute(t,!0,a)}),r.forEach(t=>{e.removeAttribute(t,a)}),e.setSelection(a)}else if(""!==t){const r=Eo(i.getAttributes());r.set("linkHref",t),o.forEach(t=>{r.set(t,!0)});const a=e.createText(t,r);n.insertContent(a,s),e.setSelection(e.createRangeOn(a))}}else{const s=n.schema.getValidRanges(i.getRanges(),"linkHref");for(const n of s)e.setAttribute("linkHref",t,n),o.forEach(t=>{e.setAttribute(t,!0,n)}),r.forEach(t=>{e.removeAttribute(t,n)})}})}_getDecoratorStateFromModel(t){return this.editor.model.document.selection.getAttribute(t)||!1}}class Dd extends za{refresh(){this.isEnabled=this.editor.model.document.selection.hasAttribute("linkHref")}execute(){const t=this.editor,e=this.editor.model,n=e.document.selection,i=t.commands.get("link");e.change(t=>{const o=n.isCollapsed?[Nd(n.getFirstPosition(),n.getAttribute("linkHref"),e)]:n.getRanges();for(const e of o)if(t.removeAttribute("linkHref",e),i)for(const n of i.manualDecorators)t.removeAttribute(n.id,e)})}}var Ld=function(t,e,n){var i=t.length;return n=void 0===n?i:n,!e&&n>=i?t:function(t,e,n){var i=-1,o=t.length;e<0&&(e=-e>o?0:o+e),(n=n>o?o:n)<0&&(n+=o),o=e>n?0:n-e>>>0,e>>>=0;for(var r=Array(o);++i<o;)r[i]=t[i+e];return r}(t,e,n)},Vd=RegExp("[\\u200d\\ud800-\\udfff\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff\\ufe0e\\ufe0f]"),zd=function(t){return Vd.test(t)},Fd="[\\u0300-\\u036f\\ufe20-\\ufe2f\\u20d0-\\u20ff]",Bd="\\ud83c[\\udffb-\\udfff]",Ud="[^\\ud800-\\udfff]",$d="(?:\\ud83c[\\udde6-\\uddff]){2}",qd="[\\ud800-\\udbff][\\udc00-\\udfff]",Hd="(?:"+Fd+"|"+Bd+")?",Wd="[\\ufe0e\\ufe0f]?"+Hd+"(?:\\u200d(?:"+[Ud,$d,qd].join("|")+")[\\ufe0e\\ufe0f]?"+Hd+")*",Yd="(?:"+[Ud+Fd+"?",Fd,$d,qd,"[\\ud800-\\udfff]"].join("|")+")",Gd=RegExp(Bd+"(?="+Bd+")|"+Yd+Wd,"g"),Qd=function(t){return zd(t)?function(t){return t.match(Gd)||[]}(t):function(t){return t.split("")}(t)},Kd=o?o.prototype:void 0,Jd=Kd?Kd.toString:void 0,Zd=function t(e){if("string"==typeof e)return e;if(at(e))return function(t,e){for(var n=-1,i=null==t?0:t.length,o=Array(i);++n<i;)o[n]=e(t[n],n,t);return o}(e,t)+"";if(Ki(e))return Jd?Jd.call(e):"";var n=e+"";return"0"==n&&1/e==-1/0?"-0":n},Xd=function(t){t=function(t){return null==t?"":Zd(t)}(t);var e=zd(t)?Qd(t):void 0,n=e?e[0]:t.charAt(0),i=e?Ld(e,1).join(""):t.slice(1);return n.toUpperCase()+i};const th=/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g,eh=/^(?:(?:https?|ftps?|mailto):|[^a-z]|[a-z+.-]+(?:[^a-z+.:-]|$))/i;function nh(t,e){const n=e.createAttributeElement("a",{href:t},{priority:5});return e.setCustomProperty("link",!0,n),n}function ih(t){return function(t){return t.replace(th,"").match(eh)}(t=String(t))?t:"#"}class oh{constructor(){this._definitions=new Set}get length(){return this._definitions.size}add(t){Array.isArray(t)?t.forEach(t=>this._definitions.add(t)):this._definitions.add(t)}getDispatcher(){return t=>{t.on("attribute:linkHref",(t,e,n)=>{if(!n.consumable.test(e.item,"attribute:linkHref"))return;const i=n.writer,o=i.document.selection;for(const t of this._definitions){const r=i.createAttributeElement("a",t.attributes,{priority:5});i.setCustomProperty("link",!0,r),t.callback(e.attributeNewValue)?e.item.is("selection")?i.wrap(o.getFirstRange(),r):i.wrap(n.mapper.toViewRange(e.range),r):i.unwrap(n.mapper.toViewRange(e.range),r)}},{priority:"high"})}}}class rh{constructor({id:t,label:e,attributes:n}){this.id=t,this.set("value"),this.label=e,this.attributes=n}}Ie(rh,on);class sh{constructor(t,e,n){this.model=t,this.attribute=n,this._modelSelection=t.document.selection,this._overrideUid=null,this._isNextGravityRestorationSkipped=!1,e.listenTo(this._modelSelection,"change:range",(t,e)=>{this._isNextGravityRestorationSkipped?this._isNextGravityRestorationSkipped=!1:this._isGravityOverridden&&(!e.directChange&&ah(this._modelSelection.getFirstPosition(),n)||this._restoreGravity())})}handleForwardMovement(t,e){const n=this.attribute;if(!(this._isGravityOverridden||t.isAtStart&&this._hasSelectionAttribute))return uh(t,n)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._removeSelectionAttribute(),!0):ch(t,n)?(this._preventCaretMovement(e),this._overrideGravity(),!0):lh(t,n)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._overrideGravity(),!0):void 0}handleBackwardMovement(t,e){const n=this.attribute;return this._isGravityOverridden?uh(t,n)&&this._hasSelectionAttribute?(this._preventCaretMovement(e),this._restoreGravity(),this._removeSelectionAttribute(),!0):(this._preventCaretMovement(e),this._restoreGravity(),t.isAtStart&&this._removeSelectionAttribute(),!0):uh(t,n)&&!this._hasSelectionAttribute?(this._preventCaretMovement(e),this._setSelectionAttributeFromTheNodeBefore(t),!0):t.isAtEnd&&lh(t,n)?this._hasSelectionAttribute?void(dh(t,n)&&(this._skipNextAutomaticGravityRestoration(),this._overrideGravity())):(this._preventCaretMovement(e),this._setSelectionAttributeFromTheNodeBefore(t),!0):t.isAtStart?this._hasSelectionAttribute?(this._removeSelectionAttribute(),this._preventCaretMovement(e),!0):void 0:void(dh(t,n)&&(this._skipNextAutomaticGravityRestoration(),this._overrideGravity()))}get _isGravityOverridden(){return!!this._overrideUid}get _hasSelectionAttribute(){return this._modelSelection.hasAttribute(this.attribute)}_overrideGravity(){this._overrideUid=this.model.change(t=>t.overrideSelectionGravity())}_restoreGravity(){this.model.change(t=>{t.restoreSelectionGravity(this._overrideUid),this._overrideUid=null})}_preventCaretMovement(t){t.preventDefault()}_removeSelectionAttribute(){this.model.change(t=>{t.removeSelectionAttribute(this.attribute)})}_setSelectionAttributeFromTheNodeBefore(t){const e=this.attribute;this.model.change(n=>{n.setSelectionAttribute(this.attribute,t.nodeBefore.getAttribute(e))})}_skipNextAutomaticGravityRestoration(){this._isNextGravityRestorationSkipped=!0}}function ah(t,e){return ch(t,e)||lh(t,e)}function ch(t,e){const{nodeBefore:n,nodeAfter:i}=t,o=!!n&&n.hasAttribute(e);return!!i&&i.hasAttribute(e)&&(!o||n.getAttribute(e)!==i.getAttribute(e))}function lh(t,e){const{nodeBefore:n,nodeAfter:i}=t,o=!!n&&n.hasAttribute(e),r=!!i&&i.hasAttribute(e);return o&&(!r||n.getAttribute(e)!==i.getAttribute(e))}function uh(t,e){const{nodeBefore:n,nodeAfter:i}=t,o=!!n&&n.hasAttribute(e);if(i&&i.hasAttribute(e)&&o)return i.getAttribute(e)!==n.getAttribute(e)}function dh(t,e){return ah(t.getShiftedBy(-1),e)}n(73);const hh="ck-link_selected",fh="automatic",ph="manual",gh=/^(https?:)?\/\//;class mh extends Ra{constructor(t){super(t),t.config.define("link",{addTargetToExternalLinks:!1})}init(){const t=this.editor,e=t.locale;t.model.schema.extend("$text",{allowAttributes:"linkHref"}),t.conversion.for("dataDowncast").attributeToElement({model:"linkHref",view:nh}),t.conversion.for("editingDowncast").attributeToElement({model:"linkHref",view:(t,e)=>nh(ih(t),e)}),t.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:{href:!0}},model:{key:"linkHref",value:t=>t.getAttribute("href")}}),t.commands.add("link",new jd(t)),t.commands.add("unlink",new Dd(t));const n=function(t,e){const n={"Open in a new tab":t("ax"),Downloadable:t("ay")};return e.forEach(t=>(t.label&&n[t.label]&&(t.label=n[t.label]),t)),e}(t.t,function(t){const e=[];if(t)for(const[n,i]of Object.entries(t)){const t=Object.assign({},i,{id:`link${Xd(n)}`});e.push(t)}return e}(t.config.get("link.decorators")));this._enableAutomaticDecorators(n.filter(t=>t.mode===fh)),this._enableManualDecorators(n.filter(t=>t.mode===ph)),function({view:t,model:e,emitter:n,attribute:i,locale:o}){const r=new sh(e,n,i),s=e.document.selection;n.listenTo(t.document,"keydown",(t,e)=>{if(!s.isCollapsed)return;if(e.shiftKey||e.altKey||e.ctrlKey)return;const n=e.keyCode==Nn.arrowright,i=e.keyCode==Nn.arrowleft;if(!n&&!i)return;const a=s.getFirstPosition(),c=o.contentLanguageDirection;let l;(l="ltr"===c&&n||"rtl"===c&&i?r.handleForwardMovement(a,e):r.handleBackwardMovement(a,e))&&t.stop()},{priority:ke.get("high")+1})}({view:t.editing.view,model:t.model,emitter:this,attribute:"linkHref",locale:e}),this._setupLinkHighlight()}_enableAutomaticDecorators(t){const e=this.editor,n=new oh;e.config.get("link.addTargetToExternalLinks")&&n.add({id:"linkIsExternal",mode:fh,callback:t=>gh.test(t),attributes:{target:"_blank",rel:"noopener noreferrer"}}),n.add(t),n.length&&e.conversion.for("downcast").add(n.getDispatcher())}_enableManualDecorators(t){if(!t.length)return;const e=this.editor,n=e.commands.get("link").manualDecorators;t.forEach(t=>{e.model.schema.extend("$text",{allowAttributes:t.id}),n.add(new rh(t)),e.conversion.for("downcast").attributeToElement({model:t.id,view:(e,i)=>{if(e){const e=n.get(t.id).attributes,o=i.createAttributeElement("a",e,{priority:5});return i.setCustomProperty("link",!0,o),o}}}),e.conversion.for("upcast").elementToAttribute({view:{name:"a",attributes:n.get(t.id).attributes},model:{key:t.id}})})}_setupLinkHighlight(){const t=this.editor,e=t.editing.view,n=new Set;e.document.registerPostFixer(e=>{const i=t.model.document.selection;let o=!1;if(i.hasAttribute("linkHref")){const r=Nd(i.getFirstPosition(),i.getAttribute("linkHref"),t.model),s=t.editing.mapper.toViewRange(r);for(const t of s.getItems())t.is("a")&&!t.hasClass(hh)&&(e.addClass(hh,t),n.add(t),o=!0)}return o}),t.conversion.for("editingDowncast").add(t=>{function i(){e.change(t=>{for(const e of n.values())t.removeClass(hh,e),n.delete(e)})}t.on("insert",i,{priority:"highest"}),t.on("remove",i,{priority:"highest"}),t.on("attribute",i,{priority:"highest"}),t.on("selection",i,{priority:"highest"})})}}class bh extends Yi{constructor(t){super(t),this.domEventType="click"}onDomEvent(t){this.fire(t.type,t)}}n(75);class wh extends _a{constructor(t,e=[]){super(t);const n=t.t;this.focusTracker=new Hs,this.keystrokes=new Ds,this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(n("bd"),iu,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(n("be"),ou,"ck-button-cancel","cancel"),this._manualDecoratorSwitches=this._createManualDecoratorSwitches(e),this.children=this._createFormChildren(e),this._focusables=new Xs,this._focusCycler=new Sa({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}});const i=["ck","ck-link-form"];e.length&&i.push("ck-link-form_layout-vertical"),this.setTemplate({tag:"form",attributes:{class:i,tabindex:"-1"},children:this.children})}getDecoratorSwitchesState(){return Array.from(this._manualDecoratorSwitches).reduce((t,e)=>(t[e.name]=e.isOn,t),{})}render(){super.render(),nu({view:this}),[this.urlInputView,...this._manualDecoratorSwitches,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createUrlInput(){const t=this.locale.t,e=new tu(this.locale,eu);return e.label=t("bf"),e.inputView.placeholder="https://example.com",e}_createButton(t,e,n,i){const o=new Sc(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o.extendTemplate({attributes:{class:n}}),i&&o.delegate("execute").to(this,i),o}_createManualDecoratorSwitches(t){const e=this.createCollection();for(const n of t){const t=new ad(this.locale);t.set({name:n.id,label:n.label,withText:!0}),t.bind("isOn").to(n,"value"),t.on("execute",()=>{n.set("value",!t.isOn)}),e.add(t)}return e}_createFormChildren(t){const e=this.createCollection();if(e.add(this.urlInputView),t.length){const t=new _a;t.setTemplate({tag:"ul",children:this._manualDecoratorSwitches.map(t=>({tag:"li",children:[t],attributes:{class:["ck","ck-list__item"]}})),attributes:{class:["ck","ck-reset","ck-list"]}}),e.add(t)}return e.add(this.saveButtonView),e.add(this.cancelButtonView),e}}var _h='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.077 15l.991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184zm4.919 10.562l-1.414 1.414a.75.75 0 1 1-1.06-1.06l1.414-1.415-1.415-1.414a.75.75 0 0 1 1.061-1.06l1.414 1.414 1.414-1.415a.75.75 0 0 1 1.061 1.061l-1.414 1.414 1.414 1.415a.75.75 0 0 1-1.06 1.06l-1.415-1.414z"/></svg>',vh='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7.3 17.37l-.061.088a1.518 1.518 0 0 1-.934.535l-4.178.663-.806-4.153a1.495 1.495 0 0 1 .187-1.058l.056-.086L8.77 2.639c.958-1.351 2.803-1.076 4.296-.03 1.497 1.047 2.387 2.693 1.433 4.055L7.3 17.37zM9.14 4.728l-5.545 8.346 3.277 2.294 5.544-8.346L9.14 4.728zM6.07 16.512l-3.276-2.295.53 2.73 2.746-.435zM9.994 3.506L13.271 5.8c.316-.452-.16-1.333-1.065-1.966-.905-.634-1.895-.78-2.212-.328zM8 18.5L9.375 17H19v1.5H8z"/></svg>';n(77);class kh extends _a{constructor(t){super(t);const e=t.t;this.focusTracker=new Hs,this.keystrokes=new Ds,this.previewButtonView=this._createPreviewButton(),this.unlinkButtonView=this._createButton(e("az"),_h,"unlink"),this.editButtonView=this._createButton(e("ba"),vh,"edit"),this.set("href"),this._focusables=new Xs,this._focusCycler=new Sa({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this.setTemplate({tag:"div",attributes:{class:["ck","ck-link-actions"],tabindex:"-1"},children:[this.previewButtonView,this.editButtonView,this.unlinkButtonView]})}render(){super.render(),[this.previewButtonView,this.editButtonView,this.unlinkButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)}),this.keystrokes.listenTo(this.element)}focus(){this._focusCycler.focusFirst()}_createButton(t,e,n){const i=new Sc(this.locale);return i.set({label:t,icon:e,tooltip:!0}),i.delegate("execute").to(this,n),i}_createPreviewButton(){const t=new Sc(this.locale),e=this.bindTemplate,n=this.t;return t.set({withText:!0,tooltip:n("bb")}),t.extendTemplate({attributes:{class:["ck","ck-link-actions__preview"],href:e.to("href",t=>t&&ih(t)),target:"_blank"}}),t.bind("label").to(this,"href",t=>t||n("bc")),t.bind("isEnabled").to(this,"href",t=>!!t),t.template.tag="a",t.template.eventListeners={},t}}var yh='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M11.077 15l.991-1.416a.75.75 0 1 1 1.229.86l-1.148 1.64a.748.748 0 0 1-.217.206 5.251 5.251 0 0 1-8.503-5.955.741.741 0 0 1 .12-.274l1.147-1.639a.75.75 0 1 1 1.228.86L4.933 10.7l.006.003a3.75 3.75 0 0 0 6.132 4.294l.006.004zm5.494-5.335a.748.748 0 0 1-.12.274l-1.147 1.639a.75.75 0 1 1-1.228-.86l.86-1.23a3.75 3.75 0 0 0-6.144-4.301l-.86 1.229a.75.75 0 0 1-1.229-.86l1.148-1.64a.748.748 0 0 1 .217-.206 5.251 5.251 0 0 1 8.503 5.955zm-4.563-2.532a.75.75 0 0 1 .184 1.045l-3.155 4.505a.75.75 0 1 1-1.229-.86l3.155-4.506a.75.75 0 0 1 1.045-.184z"/></svg>';const xh="Ctrl+K";class Ah extends Ra{static get requires(){return[wu]}static get pluginName(){return"LinkUI"}init(){const t=this.editor;t.editing.view.addObserver(bh),this.actionsView=this._createActionsView(),this.formView=this._createFormView(),this._balloon=t.plugins.get(wu),this._createToolbarLinkButton(),this._enableUserBalloonInteractions()}destroy(){super.destroy(),this.formView.destroy()}_createActionsView(){const t=this.editor,e=new kh(t.locale),n=t.commands.get("link"),i=t.commands.get("unlink");return e.bind("href").to(n,"value"),e.editButtonView.bind("isEnabled").to(n),e.unlinkButtonView.bind("isEnabled").to(i),this.listenTo(e,"edit",()=>{this._addFormView()}),this.listenTo(e,"unlink",()=>{t.execute("unlink"),this._hideUI()}),e.keystrokes.set("Esc",(t,e)=>{this._hideUI(),e()}),e.keystrokes.set(xh,(t,e)=>{this._addFormView(),e()}),e}_createFormView(){const t=this.editor,e=t.commands.get("link"),n=new wh(t.locale,e.manualDecorators);return n.urlInputView.bind("value").to(e,"value"),n.urlInputView.bind("isReadOnly").to(e,"isEnabled",t=>!t),n.saveButtonView.bind("isEnabled").to(e),this.listenTo(n,"submit",()=>{t.execute("link",n.urlInputView.inputView.element.value,n.getDecoratorSwitchesState()),this._closeFormView()}),this.listenTo(n,"cancel",()=>{this._closeFormView()}),n.keystrokes.set("Esc",(t,e)=>{this._closeFormView(),e()}),n}_createToolbarLinkButton(){const t=this.editor,e=t.commands.get("link"),n=t.t;t.keystrokes.set(xh,(t,n)=>{n(),e.isEnabled&&this._showUI(!0)}),t.ui.componentFactory.add("link",t=>{const i=new Sc(t);return i.isEnabled=!0,i.label=n("aq"),i.icon=yh,i.keystroke=xh,i.tooltip=!0,i.isToggleable=!0,i.bind("isEnabled").to(e,"isEnabled"),i.bind("isOn").to(e,"value",t=>!!t),this.listenTo(i,"execute",()=>this._showUI(!0)),i})}_enableUserBalloonInteractions(){const t=this.editor.editing.view.document;this.listenTo(t,"click",()=>{this._getSelectedLinkElement()&&this._showUI()}),this.editor.keystrokes.set("Tab",(t,e)=>{this._areActionsVisible&&!this.actionsView.focusTracker.isFocused&&(this.actionsView.focus(),e())},{priority:"high"}),this.editor.keystrokes.set("Esc",(t,e)=>{this._isUIVisible&&(this._hideUI(),e())}),Xl({emitter:this.formView,activator:()=>this._isUIInPanel,contextElements:[this._balloon.view.element],callback:()=>this._hideUI()})}_addActionsView(){this._areActionsInPanel||this._balloon.add({view:this.actionsView,position:this._getBalloonPositionData()})}_addFormView(){if(this._isFormInPanel)return;const t=this.editor.commands.get("link");this._balloon.add({view:this.formView,position:this._getBalloonPositionData()}),this._balloon.visibleView===this.formView&&this.formView.urlInputView.select(),this.formView.urlInputView.inputView.element.value=t.value||""}_closeFormView(){const t=this.editor.commands.get("link");t.restoreManualDecoratorStates(),void 0!==t.value?this._removeFormView():this._hideUI()}_removeFormView(){this._isFormInPanel&&(this.formView.saveButtonView.focus(),this._balloon.remove(this.formView),this.editor.editing.view.focus())}_showUI(t=!1){this.editor.commands.get("link").isEnabled&&(this._getSelectedLinkElement()?(this._areActionsVisible?this._addFormView():this._addActionsView(),t&&this._balloon.showStack("main")):(this._addActionsView(),t&&this._balloon.showStack("main"),this._addFormView()),this._startUpdatingUI())}_hideUI(){if(!this._isUIInPanel)return;const t=this.editor;this.stopListening(t.ui,"update"),this.stopListening(this._balloon,"change:visibleView"),t.editing.view.focus(),this._removeFormView(),this._balloon.remove(this.actionsView)}_startUpdatingUI(){const t=this.editor,e=t.editing.view.document;let n=this._getSelectedLinkElement(),i=r();const o=()=>{const t=this._getSelectedLinkElement(),e=r();n&&!t||!n&&e!==i?this._hideUI():this._isUIVisible&&this._balloon.updatePosition(this._getBalloonPositionData()),n=t,i=e};function r(){return e.selection.focus.getAncestors().reverse().find(t=>t.is("element"))}this.listenTo(t.ui,"update",o),this.listenTo(this._balloon,"change:visibleView",o)}get _isFormInPanel(){return this._balloon.hasView(this.formView)}get _areActionsInPanel(){return this._balloon.hasView(this.actionsView)}get _areActionsVisible(){return this._balloon.visibleView===this.actionsView}get _isUIInPanel(){return this._isFormInPanel||this._areActionsInPanel}get _isUIVisible(){return this._balloon.visibleView==this.formView||this._areActionsVisible}_getBalloonPositionData(){const t=this.editor.editing.view,e=t.document,n=this._getSelectedLinkElement();return{target:n?t.domConverter.mapViewToDom(n):t.domConverter.viewRangeToDom(e.selection.getFirstRange())}}_getSelectedLinkElement(){const t=this.editor.editing.view,e=t.document.selection;if(e.isCollapsed)return Th(e.getFirstPosition());{const n=e.getFirstRange().getTrimmed(),i=Th(n.start),o=Th(n.end);return i&&i==o&&t.createRangeIn(i).getTrimmed().isEqual(n)?i:null}}}function Th(t){return t.getAncestors().find(t=>(function(t){return t.is("attributeElement")&&!!t.getCustomProperty("link")})(t))}class Ch extends za{constructor(t,e){super(t),this.type=e}refresh(){this.value=this._getValue(),this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model,e=t.document,n=Array.from(e.selection.getSelectedBlocks()).filter(e=>Sh(e,t.schema)),i=!0===this.value;t.change(t=>{if(i){let e=n[n.length-1].nextSibling,i=Number.POSITIVE_INFINITY,o=[];for(;e&&"listItem"==e.name&&0!==e.getAttribute("listIndent");){const t=e.getAttribute("listIndent");t<i&&(i=t);const n=t-i;o.push({element:e,listIndent:n}),e=e.nextSibling}o=o.reverse();for(const e of o)t.setAttribute("listIndent",e.listIndent,e.element)}if(!i){let t=Number.POSITIVE_INFINITY;for(const e of n)e.is("listItem")&&e.getAttribute("listIndent")<t&&(t=e.getAttribute("listIndent"));Ph(n,!0,t=0===t?1:t),Ph(n,!1,t)}for(const e of n.reverse())i&&"listItem"==e.name?t.rename(e,"paragraph"):i||"listItem"==e.name?i||"listItem"!=e.name||e.getAttribute("listType")==this.type||t.setAttribute("listType",this.type,e):(t.setAttributes({listType:this.type,listIndent:0},e),t.rename(e,"listItem"))})}_getValue(){const t=il(this.editor.model.document.selection.getSelectedBlocks());return!!t&&t.is("listItem")&&t.getAttribute("listType")==this.type}_checkEnabled(){if(this.value)return!0;const t=this.editor.model.document.selection,e=this.editor.model.schema,n=il(t.getSelectedBlocks());return!!n&&Sh(n,e)}}function Ph(t,e,n){const i=e?t[0]:t[t.length-1];if(i.is("listItem")){let o=i[e?"previousSibling":"nextSibling"],r=i.getAttribute("listIndent");for(;o&&o.is("listItem")&&o.getAttribute("listIndent")>=n;)r>o.getAttribute("listIndent")&&(r=o.getAttribute("listIndent")),o.getAttribute("listIndent")==r&&t[e?"unshift":"push"](o),o=o[e?"previousSibling":"nextSibling"]}}function Sh(t,e){return e.checkChild(t.parent,"listItem")&&!e.isObject(t)}class Eh extends za{constructor(t,e){super(t),this._indentBy="forward"==e?1:-1}refresh(){this.isEnabled=this._checkEnabled()}execute(){const t=this.editor.model,e=t.document;let n=Array.from(e.selection.getSelectedBlocks());t.change(t=>{const e=n[n.length-1];let i=e.nextSibling;for(;i&&"listItem"==i.name&&i.getAttribute("listIndent")>e.getAttribute("listIndent");)n.push(i),i=i.nextSibling;this._indentBy<0&&(n=n.reverse());for(const e of n){const n=e.getAttribute("listIndent")+this._indentBy;n<0?t.rename(e,"paragraph"):t.setAttribute("listIndent",n,e)}})}_checkEnabled(){const t=il(this.editor.model.document.selection.getSelectedBlocks());if(!t||!t.is("listItem"))return!1;if(this._indentBy>0){const e=t.getAttribute("listIndent"),n=t.getAttribute("listType");let i=t.previousSibling;for(;i&&i.is("listItem")&&i.getAttribute("listIndent")>=e;){if(i.getAttribute("listIndent")==e)return i.getAttribute("listType")==n;i=i.previousSibling}return!1}return!0}}function Mh(t,e,n,i){const o=e.parent,r=n.mapper,s=n.writer;let a=r.toViewPosition(i.createPositionBefore(t));const c=Nh(t.previousSibling,{sameIndent:!0,smallerIndent:!0,listIndent:t.getAttribute("listIndent")}),l=t.previousSibling;if(c&&c.getAttribute("listIndent")==t.getAttribute("listIndent")){const t=r.toViewElement(c);a=s.breakContainer(s.createPositionAfter(t))}else a=l&&"listItem"==l.name?r.toViewPosition(i.createPositionAt(l,"end")):r.toViewPosition(i.createPositionBefore(t));if(a=Oh(a),s.insert(a,o),l&&"listItem"==l.name){const t=r.toViewElement(l),n=s.createRange(s.createPositionAt(t,0),a).getWalker({ignoreElementEnd:!0});for(const t of n)if(t.item.is("li")){const i=s.breakContainer(s.createPositionBefore(t.item)),o=t.item.parent,r=s.createPositionAt(e,"end");Ih(s,r.nodeBefore,r.nodeAfter),s.move(s.createRangeOn(o),r),n.position=i}}else{const n=o.nextSibling;if(n&&(n.is("ul")||n.is("ol"))){let i=null;for(const e of n.getChildren()){const n=r.toModelElement(e);if(!(n&&n.getAttribute("listIndent")>t.getAttribute("listIndent")))break;i=e}i&&(s.breakContainer(s.createPositionAfter(i)),s.move(s.createRangeOn(i.parent),s.createPositionAt(e,"end")))}}Ih(s,o,o.nextSibling),Ih(s,o.previousSibling,o)}function Ih(t,e,n){return!e||!n||"ul"!=e.name&&"ol"!=e.name?null:e.name!=n.name||e.getAttribute("class")!==n.getAttribute("class")?null:t.mergeContainers(t.createPositionAfter(e))}function Oh(t){return t.getLastMatchingPosition(t=>t.item.is("uiElement"))}function Nh(t,e){const n=!!e.sameIndent,i=!!e.smallerIndent,o=e.listIndent;let r=t;for(;r&&"listItem"==r.name;){const t=r.getAttribute("listIndent");if(n&&o==t||i&&o>t)return r;r=r.previousSibling}return null}function Rh(t,e,n,i){t.ui.componentFactory.add(e,o=>{const r=t.commands.get(e),s=new Sc(o);return s.set({label:n,icon:i,tooltip:!0,isToggleable:!0}),s.bind("isOn","isEnabled").to(r,"value","isEnabled"),s.on("execute",()=>t.execute(e)),s})}function jh(){const t=!this.isEmpty&&("ul"==this.getChild(0).name||"ol"==this.getChild(0).name);return this.isEmpty||t?0:He.call(this)}function Dh(t){return(e,n,i)=>{const o=i.consumable;if(!o.test(n.item,"insert")||!o.test(n.item,"attribute:listType")||!o.test(n.item,"attribute:listIndent"))return;o.consume(n.item,"insert"),o.consume(n.item,"attribute:listType"),o.consume(n.item,"attribute:listIndent");const r=n.item;Mh(r,function(t,e){const n=e.mapper,i=e.writer,o="numbered"==t.getAttribute("listType")?"ol":"ul",r=function(t){const e=i.createContainerElement("li");return e.getFillerOffset=jh,e}(),s=i.createContainerElement(o,null);return i.insert(i.createPositionAt(s,0),r),n.bindElements(t,r),r}(r,i),i,t)}}function Lh(t,e,n){if(!n.consumable.consume(e.item,"attribute:listType"))return;const i=n.mapper.toViewElement(e.item),o=n.writer;o.breakContainer(o.createPositionBefore(i)),o.breakContainer(o.createPositionAfter(i));const r=i.parent,s="numbered"==e.attributeNewValue?"ol":"ul";o.rename(s,r)}function Vh(t,e,n){const i=n.mapper.toViewElement(e.item).parent,o=n.writer;Ih(o,i,i.nextSibling),Ih(o,i.previousSibling,i);for(const t of e.item.getChildren())n.consumable.consume(t,"insert")}function zh(t,e,n){if("listItem"!=e.item.name){let t=n.mapper.toViewPosition(e.range.start);const i=n.writer,o=[];for(;("ul"==t.parent.name||"ol"==t.parent.name)&&"li"==(t=i.breakContainer(t)).parent.name;){const e=t,n=i.createPositionAt(t.parent,"end");if(!e.isEqual(n)){const t=i.remove(i.createRange(e,n));o.push(t)}t=i.createPositionAfter(t.parent)}if(o.length>0){for(let e=0;e<o.length;e++){const n=t.nodeBefore;if(t=i.insert(t,o[e]).end,e>0){const e=Ih(i,n,n.nextSibling);e&&e.parent==n&&t.offset--}}Ih(i,t.nodeBefore,t.nodeAfter)}}}function Fh(t,e,n){const i=n.mapper.toViewPosition(e.position),o=i.nodeBefore,r=i.nodeAfter;Ih(n.writer,o,r)}function Bh(t,e,n){if(n.consumable.consume(e.viewItem,{name:!0})){const t=n.writer,i=this.conversionApi.store,o=t.createElement("listItem");i.indent=i.indent||0,t.setAttribute("listIndent",i.indent,o);const r=e.viewItem.parent&&"ol"==e.viewItem.parent.name?"numbered":"bulleted";t.setAttribute("listType",r,o),i.indent++;const s=n.splitToAllowedParent(o,e.modelCursor);if(!s)return;t.insert(o,s.position);const a=function(t,e,n){const{writer:i,schema:o}=n;let r=i.createPositionAfter(t);for(const s of e)if("ul"==s.name||"ol"==s.name)r=n.convertItem(s,r).modelCursor;else{const e=n.convertItem(s,i.createPositionAt(t,"end")),a=e.modelRange.start.nodeAfter;a&&a.is("element")&&!o.checkChild(t,a.name)&&(t=e.modelCursor.parent.is("listItem")?e.modelCursor.parent:Wh(e.modelCursor),r=i.createPositionAfter(t))}return r}(o,e.viewItem.getChildren(),n);i.indent--,e.modelRange=t.createRange(e.modelCursor,a),s.cursorParent?e.modelCursor=t.createPositionAt(s.cursorParent,0):e.modelCursor=e.modelRange.end}}function Uh(t,e,n){if(n.consumable.test(e.viewItem,{name:!0})){const t=Array.from(e.viewItem.getChildren());for(const e of t)e.is("li")||e._remove()}}function $h(t,e,n){if(n.consumable.test(e.viewItem,{name:!0})){if(0===e.viewItem.childCount)return;const t=[...e.viewItem.getChildren()];let n=!1,i=!0;for(const e of t)!n||e.is("ul")||e.is("ol")||e._remove(),e.is("text")?(i&&(e._data=e.data.replace(/^\s+/,"")),(!e.nextSibling||e.nextSibling.is("ul")||e.nextSibling.is("ol"))&&(e._data=e.data.replace(/\s+$/,""))):(e.is("ul")||e.is("ol"))&&(n=!0),i=!1}}function qh(t){return(e,n)=>{if(n.isPhantom)return;const i=n.modelPosition.nodeBefore;if(i&&i.is("listItem")){const e=n.mapper.toViewElement(i),o=e.getAncestors().find(t=>t.is("ul")||t.is("ol")),r=t.createPositionAt(e,0).getWalker();for(const t of r){if("elementStart"==t.type&&t.item.is("li")){n.viewPosition=t.previousPosition;break}if("elementEnd"==t.type&&t.item==o){n.viewPosition=t.nextPosition;break}}}}}function Hh(t,[e,n]){let i,o=e.is("documentFragment")?e.getChild(0):e;if(i=n?this.createSelection(n):this.document.selection,o&&o.is("listItem")){const t=i.getFirstPosition();let e=null;if(t.parent.is("listItem")?e=t.parent:t.nodeBefore&&t.nodeBefore.is("listItem")&&(e=t.nodeBefore),e){const t=e.getAttribute("listIndent");if(t>0)for(;o&&o.is("listItem");)o._setAttribute("listIndent",o.getAttribute("listIndent")+t),o=o.nextSibling}}}function Wh(t){const e=new jo({startPosition:t});let n;do{n=e.next()}while(!n.value.item.is("listItem"));return n.value.item}function Yh(t,e,n,i,o,r){const s=Nh(e.nodeBefore,{sameIndent:!0,smallerIndent:!0,listIndent:t,foo:"b"}),a=o.mapper,c=o.writer,l=s?s.getAttribute("listIndent"):null;let u;if(s)if(l==t){const t=a.toViewElement(s).parent;u=c.createPositionAfter(t)}else{const t=r.createPositionAt(s,"end");u=a.toViewPosition(t)}else u=n;u=Oh(u);for(const t of[...i.getChildren()])(t.is("ul")||t.is("ol"))&&(u=c.move(c.createRangeOn(t),u).end,Ih(c,t,t.nextSibling),Ih(c,t.previousSibling,t))}class Gh extends Ra{static get requires(){return[Wu]}init(){const t=this.editor;t.model.schema.register("listItem",{inheritAllFrom:"$block",allowAttributes:["listType","listIndent"]});const e=t.data,n=t.editing;t.model.document.registerPostFixer(e=>(function(t,e){const n=t.document.differ.getChanges(),i=new Map;let o=!1;for(const t of n)if("insert"==t.type&&"listItem"==t.name)r(t.position);else if("insert"==t.type&&"listItem"!=t.name){if("$text"!=t.name){const n=t.position.nodeAfter;n.hasAttribute("listIndent")&&(e.removeAttribute("listIndent",n),o=!0),n.hasAttribute("listType")&&(e.removeAttribute("listType",n),o=!0)}r(t.position.getShiftedBy(t.length))}else"remove"==t.type&&"listItem"==t.name?r(t.position):"attribute"==t.type&&"listIndent"==t.attributeKey?r(t.range.start):"attribute"==t.type&&"listType"==t.attributeKey&&r(t.range.start);for(const t of i.values())s(t),a(t);return o;function r(t){const e=t.nodeBefore;if(e&&e.is("listItem")){let n=e;if(i.has(n))return;for(;n.previousSibling&&n.previousSibling.is("listItem");)if(n=n.previousSibling,i.has(n))return;i.set(t.nodeBefore,n)}else{const e=t.nodeAfter;e&&e.is("listItem")&&i.set(e,e)}}function s(t){let n=0,i=null;for(;t&&t.is("listItem");){const r=t.getAttribute("listIndent");if(r>n){let s;null===i?(i=r-n,s=n):(i>r&&(i=r),s=r-i),e.setAttribute("listIndent",s,t),o=!0}else i=null,n=t.getAttribute("listIndent")+1;t=t.nextSibling}}function a(t){let n=[],i=null;for(;t&&t.is("listItem");){const r=t.getAttribute("listIndent");if(i&&i.getAttribute("listIndent")>r&&(n=n.slice(0,r+1)),0!=r)if(n[r]){const i=n[r];t.getAttribute("listType")!=i&&(e.setAttribute("listType",i,t),o=!0)}else n[r]=t.getAttribute("listType");i=t,t=t.nextSibling}}})(t.model,e)),n.mapper.registerViewToModelLength("li",Qh),e.mapper.registerViewToModelLength("li",Qh),n.mapper.on("modelToViewPosition",qh(n.view)),n.mapper.on("viewToModelPosition",function(t){return(e,n)=>{const i=n.viewPosition,o=i.parent,r=n.mapper;if("ul"==o.name||"ol"==o.name){if(i.isAtEnd){const e=r.toModelElement(i.nodeBefore),o=r.getModelLength(i.nodeBefore);n.modelPosition=t.createPositionBefore(e).getShiftedBy(o)}else{const e=r.toModelElement(i.nodeAfter);n.modelPosition=t.createPositionBefore(e)}e.stop()}else if("li"==o.name&&i.nodeBefore&&("ul"==i.nodeBefore.name||"ol"==i.nodeBefore.name)){const s=r.toModelElement(o);let a=1,c=i.nodeBefore;for(;c&&(c.is("ul")||c.is("ol"));)a+=r.getModelLength(c),c=c.previousSibling;n.modelPosition=t.createPositionBefore(s).getShiftedBy(a),e.stop()}}}(t.model)),e.mapper.on("modelToViewPosition",qh(n.view)),n.downcastDispatcher.on("insert",zh,{priority:"high"}),n.downcastDispatcher.on("insert:listItem",Dh(t.model)),e.downcastDispatcher.on("insert",zh,{priority:"high"}),e.downcastDispatcher.on("insert:listItem",Dh(t.model)),n.downcastDispatcher.on("attribute:listType:listItem",Lh,{priority:"high"}),n.downcastDispatcher.on("attribute:listType:listItem",Vh,{priority:"low"}),n.downcastDispatcher.on("attribute:listIndent:listItem",function(t){return(e,n,i)=>{if(!i.consumable.consume(n.item,"attribute:listIndent"))return;const o=i.mapper.toViewElement(n.item),r=i.writer;r.breakContainer(r.createPositionBefore(o)),r.breakContainer(r.createPositionAfter(o));const s=o.parent,a=s.previousSibling,c=r.createRangeOn(s);r.remove(c),a&&a.nextSibling&&Ih(r,a,a.nextSibling),Yh(n.attributeOldValue+1,n.range.start,c.start,o,i,t),Mh(n.item,o,i,t);for(const t of n.item.getChildren())i.consumable.consume(t,"insert")}}(t.model)),n.downcastDispatcher.on("remove:listItem",function(t){return(e,n,i)=>{const o=i.mapper.toViewPosition(n.position).getLastMatchingPosition(t=>!t.item.is("li")).nodeAfter,r=i.writer;r.breakContainer(r.createPositionBefore(o)),r.breakContainer(r.createPositionAfter(o));const s=o.parent,a=s.previousSibling,c=r.createRangeOn(s),l=r.remove(c);a&&a.nextSibling&&Ih(r,a,a.nextSibling),Yh(i.mapper.toModelElement(o).getAttribute("listIndent")+1,n.position,c.start,o,i,t);for(const t of r.createRangeIn(l).getItems())i.mapper.unbindViewElement(t);e.stop()}}(t.model)),n.downcastDispatcher.on("remove",Fh,{priority:"low"}),e.upcastDispatcher.on("element:ul",Uh,{priority:"high"}),e.upcastDispatcher.on("element:ol",Uh,{priority:"high"}),e.upcastDispatcher.on("element:li",$h,{priority:"high"}),e.upcastDispatcher.on("element:li",Bh),t.model.on("insertContent",Hh,{priority:"high"}),t.commands.add("numberedList",new Ch(t,"numbered")),t.commands.add("bulletedList",new Ch(t,"bulleted")),t.commands.add("indentList",new Eh(t,"forward")),t.commands.add("outdentList",new Eh(t,"backward"));const i=n.view.document;this.listenTo(i,"enter",(t,e)=>{const n=this.editor.model.document,i=n.selection.getLastPosition().parent;n.selection.isCollapsed&&"listItem"==i.name&&i.isEmpty&&(this.editor.execute("outdentList"),e.preventDefault(),t.stop())}),this.listenTo(i,"delete",(t,e)=>{if("backward"!==e.direction)return;const n=this.editor.model.document.selection;if(!n.isCollapsed)return;const i=n.getFirstPosition();if(!i.isAtStart)return;const o=i.parent;"listItem"===o.name&&(o.previousSibling&&"listItem"===o.previousSibling.name||(this.editor.execute("outdentList"),e.preventDefault(),t.stop()))},{priority:"high"});const o=t=>(e,n)=>{this.editor.commands.get(t).isEnabled&&(this.editor.execute(t),n())};t.keystrokes.set("Tab",o("indentList")),t.keystrokes.set("Shift+Tab",o("outdentList"))}afterInit(){const t=this.editor.commands,e=t.get("indent"),n=t.get("outdent");e&&e.registerChildCommand(t.get("indentList")),n&&n.registerChildCommand(t.get("outdentList"))}}function Qh(t){let e=1;for(const n of t.getChildren())if("ul"==n.name||"ol"==n.name)for(const t of n.getChildren())e+=Qh(t);return e}var Kh='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7 5.75c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zM3.5 3v5H2V3.7H1v-1h2.5V3zM.343 17.857l2.59-3.257H2.92a.6.6 0 1 0-1.04 0H.302a2 2 0 1 1 3.995 0h-.001c-.048.405-.16.734-.333.988-.175.254-.59.692-1.244 1.312H4.3v1h-4l.043-.043zM7 14.75a.75.75 0 0 1 .75-.75h9.5a.75.75 0 1 1 0 1.5h-9.5a.75.75 0 0 1-.75-.75z"/></svg>',Jh='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M7 5.75c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zm-6 0C1 4.784 1.777 4 2.75 4c.966 0 1.75.777 1.75 1.75 0 .966-.777 1.75-1.75 1.75C1.784 7.5 1 6.723 1 5.75zm6 9c0 .414.336.75.75.75h9.5a.75.75 0 1 0 0-1.5h-9.5a.75.75 0 0 0-.75.75zm-6 0c0-.966.777-1.75 1.75-1.75.966 0 1.75.777 1.75 1.75 0 .966-.777 1.75-1.75 1.75-.966 0-1.75-.777-1.75-1.75z"/></svg>';class Zh extends Ra{init(){const t=this.editor.t;Rh(this.editor,"numberedList",t("q"),Kh),Rh(this.editor,"bulletedList",t("r"),Jh)}}function Xh(t,e){return t=>{t.on("attribute:url:media",n)};function n(n,i,o){if(!o.consumable.consume(i.item,n.name))return;const r=i.attributeNewValue,s=o.writer,a=o.mapper.toViewElement(i.item);s.remove(s.createRangeIn(a));const c=t.getMediaViewElement(s,r,e);s.insert(s.createPositionAt(a,0),c)}}function tf(t,e,n,i){const o=t.createContainerElement("figure",{class:"media"});return o.getFillerOffset=of,t.insert(t.createPositionAt(o,0),e.getMediaViewElement(t,n,i)),o}function ef(t){const e=t.getSelectedElement();return e&&e.is("media")?e:null}function nf(t,e,n){t.change(i=>{const o=i.createElement("media",{url:e});t.insertContent(o,n),i.setSelection(o,"on")})}function of(){return null}class rf extends za{refresh(){const t=this.editor.model,e=t.document.selection,n=t.schema,i=e.getFirstPosition(),o=ef(e);let r=i.parent;r!=r.root&&(r=r.parent),this.value=o?o.getAttribute("url"):null,this.isEnabled=n.checkChild(r,"media")}execute(t){const e=this.editor.model,n=e.document.selection,i=ef(n);if(i)e.change(e=>{e.setAttribute("url",t,i)});else{const i=Vl(n,e);nf(e,t,i)}}}var sf='<svg viewBox="0 0 64 42" xmlns="http://www.w3.org/2000/svg"><path d="M47.426 17V3.713L63.102 0v19.389h-.001l.001.272c0 1.595-2.032 3.43-4.538 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3.231v1.616h1.615v-1.616h-1.615zm0 3.231v1.616h1.615V37.53h-1.615zM29.485 25.283a.4.4 0 0 1 .593-.35l9.05 4.977a.4.4 0 0 1 0 .701l-9.05 4.978a.4.4 0 0 1-.593-.35v-9.956z"/></svg>';const af="0 0 64 42";class cf{constructor(t,e){const n=e.providers,i=e.extraProviders||[],o=new Set(e.removeProviders),r=n.concat(i).filter(t=>{const e=t.name;return e?!o.has(e):(console.warn(Object(be.a)("media-embed-no-provider-name: The configured media provider has no name and cannot be used."),{provider:t}),!1)});this.locale=t,this.providerDefinitions=r}hasMedia(t){return!!this._getMedia(t)}getMediaViewElement(t,e,n){return this._getMedia(e).getViewElement(t,n)}_getMedia(t){if(!t)return new lf(this.locale);t=t.trim();for(const e of this.providerDefinitions){const n=e.html;let i=e.url;Array.isArray(i)||(i=[i]);for(const e of i){const i=this._getUrlMatches(t,e);if(i)return new lf(this.locale,t,i,n)}}return null}_getUrlMatches(t,e){let n=t.match(e);if(n)return n;let i=t.replace(/^https?:\/\//,"");return(n=i.match(e))?n:(n=(i=i.replace(/^www\./,"")).match(e))||null}}class lf{constructor(t,e,n,i){this.url=this._getValidUrl(e),this._t=t.t,this._match=n,this._previewRenderer=i}getViewElement(t,e){const n={};if(e.renderForEditingView||e.renderMediaPreview&&this.url&&this._previewRenderer){this.url&&(n["data-oembed-url"]=this.url),e.renderForEditingView&&(n.class="ck-media__wrapper");const i=this._getPreviewHtml(e);return t.createUIElement("div",n,function(t){const e=this.toDomElement(t);return e.innerHTML=i,e})}return this.url&&(n.url=this.url),t.createEmptyElement("oembed",n)}_getPreviewHtml(t){return this._previewRenderer?this._previewRenderer(this._match):this.url&&t.renderForEditingView?this._getPlaceholderHtml():""}_getPlaceholderHtml(){const t=new Pc,e=new Cc;return t.text=this._t("Open media in new tab"),e.content=sf,e.viewBox=af,new ea({tag:"div",attributes:{class:"ck ck-reset_all ck-media__placeholder"},children:[{tag:"div",attributes:{class:"ck-media__placeholder__icon"},children:[e]},{tag:"a",attributes:{class:"ck-media__placeholder__url",target:"_blank",rel:"noopener noreferrer",href:this.url},children:[{tag:"span",attributes:{class:"ck-media__placeholder__url__text"},children:[this.url]},t]}]}).render().outerHTML}_getValidUrl(t){return t?t.match(/^https?/)?t:"https://"+t:null}}n(79);class uf extends Ra{static get pluginName(){return"MediaEmbedEditing"}constructor(t){super(t),t.config.define("mediaEmbed",{providers:[{name:"dailymotion",url:/^dailymotion\.com\/video\/(\w+)/,html:t=>'<div style="position: relative; padding-bottom: 100%; height: 0; ">'+`<iframe src="https://www.dailymotion.com/embed/video/${t[1]}" `+'style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" width="480" height="270" allowfullscreen allow="autoplay"></iframe></div>'},{name:"spotify",url:[/^open\.spotify\.com\/(artist\/\w+)/,/^open\.spotify\.com\/(album\/\w+)/,/^open\.spotify\.com\/(track\/\w+)/],html:t=>'<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 126%;">'+`<iframe src="https://open.spotify.com/embed/${t[1]}" `+'style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" allowtransparency="true" allow="encrypted-media"></iframe></div>'},{name:"youtube",url:[/^(?:m\.)?youtube\.com\/watch\?v=([\w-]+)/,/^(?:m\.)?youtube\.com\/v\/([\w-]+)/,/^youtube\.com\/embed\/([\w-]+)/,/^youtu\.be\/([\w-]+)/],html:t=>'<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 56.2493%;">'+`<iframe src="https://www.youtube.com/embed/${t[1]}" `+'style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe></div>'},{name:"vimeo",url:[/^vimeo\.com\/(\d+)/,/^vimeo\.com\/[^/]+\/[^/]+\/video\/(\d+)/,/^vimeo\.com\/album\/[^/]+\/video\/(\d+)/,/^vimeo\.com\/channels\/[^/]+\/(\d+)/,/^vimeo\.com\/groups\/[^/]+\/videos\/(\d+)/,/^vimeo\.com\/ondemand\/[^/]+\/(\d+)/,/^player\.vimeo\.com\/video\/(\d+)/],html:t=>'<div style="position: relative; padding-bottom: 100%; height: 0; padding-bottom: 56.2493%;">'+`<iframe src="https://player.vimeo.com/video/${t[1]}" `+'style="position: absolute; width: 100%; height: 100%; top: 0; left: 0;" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe></div>'},{name:"instagram",url:/^instagram\.com\/p\/(\w+)/},{name:"twitter",url:/^twitter\.com/},{name:"googleMaps",url:/^google\.com\/maps/},{name:"flickr",url:/^flickr\.com/},{name:"facebook",url:/^facebook\.com/}]}),this.registry=new cf(t.locale,t.config.get("mediaEmbed"))}init(){const t=this.editor,e=t.model.schema,n=t.t,i=t.conversion,o=t.config.get("mediaEmbed.previewsInData"),r=this.registry;t.commands.add("mediaEmbed",new rf(t)),e.register("media",{isObject:!0,isBlock:!0,allowWhere:"$block",allowAttributes:["url"]}),i.for("dataDowncast").elementToElement({model:"media",view:(t,e)=>{const n=t.getAttribute("url");return tf(e,r,n,{renderMediaPreview:n&&o})}}),i.for("dataDowncast").add(Xh(r,{renderMediaPreview:o})),i.for("editingDowncast").elementToElement({model:"media",view:(t,e)=>{const i=t.getAttribute("url");return function(t,e,n){return e.setCustomProperty("media",!0,t),jl(t,e,{label:n})}(tf(e,r,i,{renderForEditingView:!0}),e,n("am"))}}),i.for("editingDowncast").add(Xh(r,{renderForEditingView:!0})),i.for("upcast").elementToElement({view:{name:"oembed",attributes:{url:!0}},model:(t,e)=>{const n=t.getAttribute("url");if(r.hasMedia(n))return e.createElement("media",{url:n})}}).elementToElement({view:{name:"div",attributes:{"data-oembed-url":!0}},model:(t,e)=>{const n=t.getAttribute("data-oembed-url");if(r.hasMedia(n))return e.createElement("media",{url:n})}})}}const df=/^(?:http(s)?:\/\/)?[\w.-]+(?:\.[\w.-]+)+[\w\-._~:/?#[\]@!$&'()*+,;=]+$/;class hf extends Ra{static get requires(){return[Va,Oc]}static get pluginName(){return"AutoMediaEmbed"}constructor(t){super(t),this._timeoutId=null,this._positionToInsert=null}init(){const t=this.editor,e=t.model.document;this.listenTo(t.plugins.get(Va),"inputTransformation",()=>{const t=e.selection.getFirstRange(),n=xs.fromPosition(t.start);n.stickiness="toPrevious";const i=xs.fromPosition(t.end);i.stickiness="toNext",e.once("change:data",()=>{this._embedMediaBetweenPositions(n,i),n.detach(),i.detach()},{priority:"high"})}),t.commands.get("undo").on("execute",()=>{this._timeoutId&&(bi.window.clearTimeout(this._timeoutId),this._positionToInsert.detach(),this._timeoutId=null,this._positionToInsert=null)},{priority:"high"})}_embedMediaBetweenPositions(t,e){const n=this.editor,i=n.plugins.get(uf).registry,o=new Qo(t,e),r=o.getWalker({ignoreElementEnd:!0});let s="";for(const t of r)t.item.is("textProxy")&&(s+=t.item.data);(s=s.trim()).match(df)&&i.hasMedia(s)&&n.commands.get("mediaEmbed").isEnabled&&(this._positionToInsert=xs.fromPosition(t),this._timeoutId=bi.window.setTimeout(()=>{n.model.change(t=>{let e;this._timeoutId=null,t.remove(o),"$graveyard"!==this._positionToInsert.root.rootName&&(e=this._positionToInsert),nf(n.model,s,e),this._positionToInsert.detach(),this._positionToInsert=null})},100))}}n(81);class ff extends _a{constructor(t,e){super(e);const n=e.t;this.focusTracker=new Hs,this.keystrokes=new Ds,this.urlInputView=this._createUrlInput(),this.saveButtonView=this._createButton(n("bd"),iu,"ck-button-save"),this.saveButtonView.type="submit",this.cancelButtonView=this._createButton(n("be"),ou,"ck-button-cancel","cancel"),this._focusables=new Xs,this._focusCycler=new Sa({focusables:this._focusables,focusTracker:this.focusTracker,keystrokeHandler:this.keystrokes,actions:{focusPrevious:"shift + tab",focusNext:"tab"}}),this._validators=t,this.setTemplate({tag:"form",attributes:{class:["ck","ck-media-form"],tabindex:"-1"},children:[this.urlInputView,this.saveButtonView,this.cancelButtonView]})}render(){super.render(),nu({view:this}),[this.urlInputView,this.saveButtonView,this.cancelButtonView].forEach(t=>{this._focusables.add(t),this.focusTracker.add(t.element)}),this.keystrokes.listenTo(this.element);const t=t=>t.stopPropagation();this.keystrokes.set("arrowright",t),this.keystrokes.set("arrowleft",t),this.keystrokes.set("arrowup",t),this.keystrokes.set("arrowdown",t),this.listenTo(this.urlInputView.element,"selectstart",(t,e)=>{e.stopPropagation()},{priority:"high"})}focus(){this._focusCycler.focusFirst()}get url(){return this.urlInputView.inputView.element.value.trim()}set url(t){this.urlInputView.inputView.element.value=t.trim()}isValid(){this.resetFormStatus();for(const t of this._validators){const e=t(this);if(e)return this.urlInputView.errorText=e,!1}return!0}resetFormStatus(){this.urlInputView.errorText=null,this.urlInputView.infoText=this._urlInputViewInfoDefault}_createUrlInput(){const t=this.locale.t,e=new tu(this.locale,eu),n=e.inputView;return this._urlInputViewInfoDefault=t("bg"),this._urlInputViewInfoTip=t("bh"),e.label=t("bi"),e.infoText=this._urlInputViewInfoDefault,n.placeholder="https://example.com",n.on("input",()=>{e.infoText=n.element.value?this._urlInputViewInfoTip:this._urlInputViewInfoDefault}),e}_createButton(t,e,n,i){const o=new Sc(this.locale);return o.set({label:t,icon:e,tooltip:!0}),o.extendTemplate({attributes:{class:n}}),i&&o.delegate("execute").to(this,i),o}}var pf='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M18.68 2.53c.6 0 .59-.03.59.55v12.84c0 .59.01.56-.59.56H1.29c-.6 0-.59.03-.59-.56V3.08c0-.58-.01-.55.6-.55h17.38zM15.77 14.5v-10H4.2v10h11.57zM2 4v1h1V4H2zm0 2v1h1V6H2zm0 2v1h1V8H2zm0 2v1h1v-1H2zm0 2v1h1v-1H2zm0 2v1h1v-1H2zM17 4v1h1V4h-1zm0 2v1h1V6h-1zm0 2v1h1V8h-1zm0 2v1h1v-1h-1zm0 2v1h1v-1h-1zm0 2v1h1v-1h-1zM7.5 6.677a.4.4 0 0 1 .593-.351l5.133 2.824a.4.4 0 0 1 0 .7l-5.133 2.824a.4.4 0 0 1-.593-.35V6.676z"/></svg>';class gf extends Ra{static get requires(){return[uf]}static get pluginName(){return"MediaEmbedUI"}init(){const t=this.editor,e=t.commands.get("mediaEmbed"),n=t.plugins.get(uf).registry;this.form=new ff(function(t,e){return[e=>{if(!e.url.length)return t("ao")},n=>{if(!e.hasMedia(n.url))return t("ap")}]}(t.t,n),t.locale),t.ui.componentFactory.add("mediaEmbed",n=>{const i=cd(n);return this._setUpDropdown(i,this.form,e,t),this._setUpForm(this.form,i,e),i})}_setUpDropdown(t,e,n){const i=this.editor,o=i.t,r=t.buttonView;function s(){i.editing.view.focus(),t.isOpen=!1}t.bind("isEnabled").to(n),t.panelView.children.add(e),r.set({label:o("an"),icon:pf,tooltip:!0}),r.on("open",()=>{e.url=n.value||"",e.urlInputView.select(),e.focus()},{priority:"low"}),t.on("submit",()=>{e.isValid()&&(i.execute("mediaEmbed",e.url),s())}),t.on("change:isOpen",()=>e.resetFormStatus()),t.on("cancel",()=>s())}_setUpForm(t,e,n){t.delegate("submit","cancel").to(e),t.urlInputView.bind("value").to(n,"value"),t.urlInputView.bind("isReadOnly").to(n,"isEnabled",t=>!t),t.saveButtonView.bind("isEnabled").to(n)}}function mf(t){const e={},n=t.getStyle("mso-list");return n&&(e.id=parseInt(n.match(/(^|\s+)l(\d+)/i)[2]),e.order=parseInt(n.match(/\s*lfo(\d+)/i)[1]),e.indent=parseInt(n.match(/\s*level(\d+)/i)[1])),e}function bf(t){return t.is("ol")||t.is("ul")}n(83);const wf=/id=("|')docs-internal-guid-[-0-9a-f]+("|')/i;function _f(t){return t.replace(/<span(?: class="Apple-converted-space"|)>(\s+)<\/span>/g,(t,e)=>1===e.length?" ":Array(e.length+1).join("  ").substr(0,e.length))}function vf(t){return btoa(t.match(/\w{2}/g).map(t=>String.fromCharCode(parseInt(t,16))).join(""))}const kf=/<meta\s*name="?generator"?\s*content="?microsoft\s*word\s*\d+"?\/?>/i,yf=/xmlns:o="urn:schemas-microsoft-com/i;function xf(t,e){let n=e.parent;for(;n;){if(n.name===t)return n;n=n.parent}}function Af(t,e,n,i,o=1){e>o?i.setAttribute(t,e,n):i.removeAttribute(t,n)}function Tf(t,e,n={}){const i=t.createElement("tableCell",n);t.insertElement("paragraph",i),t.insert(i,e)}function Cf(t){return e=>{e.on(`element:${t}`,(t,e,n)=>{const i=e.viewItem;if(!n.consumable.test(i,{name:!0}))return;const o=n.writer.createElement("tableCell"),r=n.splitToAllowedParent(o,e.modelCursor);if(!r)return;n.writer.insert(o,r.position),n.consumable.consume(i,{name:!0});const s=n.writer.createPositionAt(o,0);n.convertChildren(i,s),o.childCount||n.writer.insertElement("paragraph",s),e.modelRange=n.writer.createRange(n.writer.createPositionBefore(o),n.writer.createPositionAfter(o)),e.modelCursor=e.modelRange.end})}}function Pf(t){let e=0,n=0;const i=Array.from(t.getChildren()).filter(t=>"th"===t.name||"td"===t.name);for(;n<i.length&&"th"===i[n].name;){const t=i[n];e+=parseInt(t.getAttribute("colspan")||1),n++}return e}class Sf{constructor(t,e={}){this.table=t,this.startRow=e.startRow||0,this.endRow="number"==typeof e.endRow?e.endRow:void 0,this.includeSpanned=!!e.includeSpanned,this.column="number"==typeof e.column?e.column:void 0,this._skipRows=new Set,this._row=0,this._column=0,this._cellIndex=0,this._spannedCells=new Map,this._nextCellAtColumn=-1}[Symbol.iterator](){return this}next(){const t=this.table.getChild(this._row);if(!t||this._isOverEndRow())return{done:!0};let e,n,i;if(this._isSpanned(this._row,this._column))e=this._getSpanned(this._row,this._column),n=!this.includeSpanned||this._shouldSkipRow()||this._shouldSkipColumn(),i=this._formatOutValue(e,this._column,!0);else{if(!(e=t.getChild(this._cellIndex)))return this._row++,this._column=0,this._cellIndex=0,this._nextCellAtColumn=-1,this.next();const o=parseInt(e.getAttribute("colspan")||1),r=parseInt(e.getAttribute("rowspan")||1);(o>1||r>1)&&this._recordSpans(this._row,this._column,r,o,e),this._nextCellAtColumn=this._column+o,n=this._shouldSkipRow()||this._shouldSkipColumn(),i=this._formatOutValue(e,this._column,!1,r,o)}return this._column++,this._column==this._nextCellAtColumn&&this._cellIndex++,n?this.next():i}skipRow(t){this._skipRows.add(t)}_isOverEndRow(){return void 0!==this.endRow&&this._row>this.endRow}_formatOutValue(t,e,n,i=1,o=1){return{done:!1,value:{cell:t,row:this._row,column:e,isSpanned:n,rowspan:i,colspan:o,cellIndex:this._cellIndex}}}_shouldSkipRow(){const t=this._row<this.startRow,e=this._skipRows.has(this._row);return t||e}_shouldSkipColumn(){return void 0!==this.column&&this.column!=this._column}_isSpanned(t,e){return!!this._spannedCells.has(t)&&this._spannedCells.get(t).has(e)}_getSpanned(t,e){return this._spannedCells.get(t).get(e)}_recordSpans(t,e,n,i,o){for(let n=e+1;n<=e+i-1;n++)this._markSpannedCell(t,n,o);for(let r=t+1;r<t+n;r++)for(let t=e;t<=e+i-1;t++)this._markSpannedCell(r,t,o)}_markSpannedCell(t,e,n){this._spannedCells.has(t)||this._spannedCells.set(t,new Map),this._spannedCells.get(t).set(e,n)}}function Ef(t){return!!t.getCustomProperty("table")&&Rl(t)}function Mf(t){const e=t.getSelectedElement();return e&&Ef(e)?e:null}function If(t){const e=xf("table",t.getFirstPosition());return e&&Ef(e.parent)?e.parent:null}function Of(t={}){return e=>e.on("insert:table",(e,n,i)=>{const o=n.item;if(!i.consumable.consume(o,"insert"))return;i.consumable.consume(o,"attribute:headingRows:table"),i.consumable.consume(o,"attribute:headingColumns:table");const r=t&&t.asWidget,s=i.writer.createContainerElement("figure",{class:"table"}),a=i.writer.createContainerElement("table");let c;i.writer.insert(i.writer.createPositionAt(s,0),a),r&&(c=function(t,e){return e.setCustomProperty("table",!0,t),jl(t,e,{hasSelectionHandler:!0})}(s,i.writer));const l=new Sf(o),u={headingRows:o.getAttribute("headingRows")||0,headingColumns:o.getAttribute("headingColumns")||0},d=new Map;for(const e of l){const{row:n,cell:r}=e,s=$f(Uf(n,u),a,i),c=o.getChild(n),l=d.get(n)||Ff(c,n,s,i);d.set(n,l),i.consumable.consume(r,"insert"),zf(e,u,i.writer.createPositionAt(l,"end"),i,t)}const h=i.mapper.toViewPosition(n.range.start);i.mapper.bindElements(o,r?c:s),i.writer.insert(h,r?c:s)})}function Nf(t={}){return e=>e.on("insert:tableRow",(e,n,i)=>{const o=n.item;if(!i.consumable.consume(o,"insert"))return;const r=o.parent,s=Yf(i.mapper.toViewElement(r)),a=r.getChildIndex(o),c=new Sf(r,{startRow:a,endRow:a}),l={headingRows:r.getAttribute("headingRows")||0,headingColumns:r.getAttribute("headingColumns")||0},u=new Map;for(const e of c){const n=$f(Uf(a,l),s,i),r=u.get(a)||Ff(o,a,n,i);u.set(a,r),i.consumable.consume(e.cell,"insert"),zf(e,l,i.writer.createPositionAt(r,"end"),i,t)}})}function Rf(t={}){return e=>e.on("insert:tableCell",(e,n,i)=>{const o=n.item;if(!i.consumable.consume(o,"insert"))return;const r=o.parent,s=r.parent,a=s.getChildIndex(r),c=new Sf(s,{startRow:a,endRow:a}),l={headingRows:s.getAttribute("headingRows")||0,headingColumns:s.getAttribute("headingColumns")||0};for(const e of c)if(e.cell===o){const n=i.mapper.toViewElement(r);return void zf(e,l,i.writer.createPositionAt(n,r.getChildIndex(o)),i,t)}})}function jf(t={}){const e=!!t.asWidget;return t=>t.on("attribute:headingRows:table",(t,n,i)=>{const o=n.item;if(!i.consumable.consume(n.item,t.name))return;const r=Yf(i.mapper.toViewElement(o)),s=n.attributeOldValue,a=n.attributeNewValue;if(a>s){const t=Array.from(o.getChildren()).filter(({index:t})=>c(t,s-1,a));Wf(t,$f("thead",r,i),i,"end");for(const n of t)for(const t of n.getChildren())Lf(t,"th",i,e);Hf("tbody",r,i)}else{Wf(Array.from(o.getChildren()).filter(({index:t})=>c(t,a-1,s)).reverse(),$f("tbody",r,i),i,0);const t=new Sf(o,{startRow:a?a-1:a,endRow:s-1}),n={headingRows:o.getAttribute("headingRows")||0,headingColumns:o.getAttribute("headingColumns")||0};for(const o of t)Vf(o,n,i,e);Hf("thead",r,i)}function c(t,e,n){return t>e&&t<n}})}function Df(t={}){const e=!!t.asWidget;return t=>t.on("attribute:headingColumns:table",(t,n,i)=>{const o=n.item;if(!i.consumable.consume(n.item,t.name))return;const r={headingRows:o.getAttribute("headingRows")||0,headingColumns:o.getAttribute("headingColumns")||0},s=n.attributeOldValue,a=n.attributeNewValue,c=(s>a?s:a)-1;for(const t of new Sf(o))t.column>c||Vf(t,r,i,e)})}function Lf(t,e,n,i){const o=n.writer,r=n.mapper.toViewElement(t);if(!r)return;let s;i?(s=Ll(o.createEditableElement(e,r.getAttributes()),o),o.insert(o.createPositionAfter(r),s),o.move(o.createRangeIn(r),o.createPositionAt(s,0)),o.remove(o.createRangeOn(r))):s=o.rename(e,r),n.mapper.unbindViewElement(r),n.mapper.bindElements(t,s)}function Vf(t,e,n,i){const{cell:o}=t,r=Bf(t,e),s=n.mapper.toViewElement(o);s&&s.name!==r&&Lf(o,r,n,i)}function zf(t,e,n,i,o){const r=o&&o.asWidget,s=Bf(t,e),a=r?Ll(i.writer.createEditableElement(s),i.writer):i.writer.createContainerElement(s),c=t.cell,l=c.getChild(0),u=1===c.childCount&&"paragraph"===l.name;if(i.writer.insert(n,a),u&&![...l.getAttributeKeys()].length){const t=c.getChild(0),e=i.writer.createPositionAt(a,"end");if(i.consumable.consume(t,"insert"),o.asWidget){const n=i.writer.createContainerElement("span");i.mapper.bindElements(t,n),i.writer.insert(e,n),i.mapper.bindElements(c,a)}else i.mapper.bindElements(c,a),i.mapper.bindElements(t,a)}else i.mapper.bindElements(c,a)}function Ff(t,e,n,i){i.consumable.consume(t,"insert");const o=i.writer.createContainerElement("tr");i.mapper.bindElements(t,o);const r=t.parent.getAttribute("headingRows")||0,s=r>0&&e>=r?e-r:e,a=i.writer.createPositionAt(n,s);return i.writer.insert(a,o),o}function Bf(t,e){const{row:n,column:i}=t,{headingColumns:o,headingRows:r}=e;return r&&r>n?"th":o&&o>i?"th":"td"}function Uf(t,e){return t<e.headingRows?"thead":"tbody"}function $f(t,e,n){return qf(t,e)||function(t,e,n){const i=n.writer.createContainerElement(t),o=n.writer.createPositionAt(e,"tbody"==t?"end":0);return n.writer.insert(o,i),i}(t,e,n)}function qf(t,e){for(const n of e.getChildren())if(n.name==t)return n}function Hf(t,e,n){const i=qf(t,e);i&&0===i.childCount&&n.writer.remove(n.writer.createRangeOn(i))}function Wf(t,e,n,i){for(const o of t){const t=n.mapper.toViewElement(o);t&&n.writer.move(n.writer.createRangeOn(t),n.writer.createPositionAt(e,i))}}function Yf(t){for(const e of t.getChildren())if("table"===e.name)return e}class Gf extends za{refresh(){const t=this.editor.model,e=t.document.selection,n=t.schema,i=function(t){const e=t.parent;return e===e.root?e:e.parent}(e.getFirstPosition());this.isEnabled=n.checkChild(i,"table")}execute(t={}){const e=this.editor.model,n=e.document.selection,i=this.editor.plugins.get("TableUtils"),o=parseInt(t.rows)||2,r=parseInt(t.columns)||2,s=Vl(n,e);e.change(t=>{const n=i.createTable(t,o,r);e.insertContent(n,s),t.setSelection(t.createPositionAt(n.getNodeByPath([0,0,0]),0))})}}class Qf extends za{constructor(t,e={}){super(t),this.order=e.order||"below"}refresh(){const t=xf("table",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get("TableUtils"),i=xf("tableCell",e.getFirstPosition()).parent,o=i.parent,r=o.getChildIndex(i),s="below"===this.order?r+1:r;n.insertRows(o,{rows:1,at:s})}}class Kf extends za{constructor(t,e={}){super(t),this.order=e.order||"right"}refresh(){const t=xf("table",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get("TableUtils"),i=xf("tableCell",e.getFirstPosition()),o=i.parent.parent,{column:r}=n.getCellLocation(i),s="right"===this.order?r+1:r;n.insertColumns(o,{columns:1,at:s})}}class Jf extends za{constructor(t,e={}){super(t),this.direction=e.direction||"horizontally"}refresh(){const t=xf("tableCell",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t}execute(){const t=xf("tableCell",this.editor.model.document.selection.getFirstPosition()),e="horizontally"===this.direction,n=this.editor.plugins.get("TableUtils");e?n.splitCellHorizontally(t,2):n.splitCellVertically(t,2)}}class Zf extends za{constructor(t,e){super(t),this.direction=e.direction,this.isHorizontal="right"==this.direction||"left"==this.direction}refresh(){const t=this._getMergeableCell();this.isEnabled=!!t,this.value=t}execute(){const t=this.editor.model,e=xf("tableCell",t.document.selection.getFirstPosition()),n=this.value,i=this.direction;t.change(t=>{const o="right"==i||"down"==i,r=o?e:n,s=o?n:e,a=s.parent;!function(t,e,n){Xf(t)||(Xf(e)&&n.remove(n.createRangeIn(e)),n.move(n.createRangeIn(t),n.createPositionAt(e,"end"))),n.remove(t)}(s,r,t);const c=this.isHorizontal?"colspan":"rowspan",l=parseInt(e.getAttribute(c)||1),u=parseInt(n.getAttribute(c)||1);t.setAttribute(c,l+u,r),t.setSelection(t.createRangeIn(r)),a.childCount||function(t,e){const n=t.parent,i=n.getChildIndex(t);for(const{cell:t,row:o,rowspan:r}of new Sf(n,{endRow:i})){o+r-1>=i&&Af("rowspan",r-1,t,e)}e.remove(t)}(a,t)})}_getMergeableCell(){const t=xf("tableCell",this.editor.model.document.selection.getFirstPosition());if(!t)return;const e=this.editor.plugins.get("TableUtils"),n=this.isHorizontal?function(t,e,n){const i="right"==e?t.nextSibling:t.previousSibling;if(!i)return;const o="right"==e?t:i,r="right"==e?i:t,{column:s}=n.getCellLocation(o),{column:a}=n.getCellLocation(r);return s+parseInt(o.getAttribute("colspan")||1)===a?i:void 0}(t,this.direction,e):function(t,e){const n=t.parent,i=n.parent,o=i.getChildIndex(n);if("down"==e&&o===i.childCount-1||"up"==e&&0===o)return;const r=parseInt(t.getAttribute("rowspan")||1),s=i.getAttribute("headingRows")||0;if(s&&("down"==e&&o+r===s||"up"==e&&o===s))return;const a=parseInt(t.getAttribute("rowspan")||1),c="down"==e?o+a:o,l=[...new Sf(i,{endRow:c})],u=l.find(e=>e.cell===t).column,d=l.find(({row:t,rowspan:n,column:i})=>i===u&&("down"==e?t===c:c===t+n));return d&&d.cell}(t,this.direction);if(!n)return;const i=this.isHorizontal?"rowspan":"colspan",o=parseInt(t.getAttribute(i)||1);return parseInt(n.getAttribute(i)||1)===o?n:void 0}}function Xf(t){return 1==t.childCount&&t.getChild(0).is("paragraph")&&t.getChild(0).isEmpty}class tp extends za{refresh(){const t=xf("tableCell",this.editor.model.document.selection.getFirstPosition());this.isEnabled=!!t&&t.parent.parent.childCount>1}execute(){const t=this.editor.model,e=xf("tableCell",t.document.selection.getFirstPosition()).parent,n=e.parent,i=n.getChildIndex(e),o=n.getAttribute("headingRows")||0;t.change(t=>{o&&i<=o&&Af("headingRows",o-1,n,t,0);const r=[...new Sf(n,{endRow:i})],s=new Map;r.filter(({row:t,rowspan:e})=>t===i&&e>1).forEach(({column:t,cell:e,rowspan:n})=>s.set(t,{cell:e,rowspanToSet:n-1})),r.filter(({row:t,rowspan:e})=>t<=i-1&&t+e>i).forEach(({cell:e,rowspan:n})=>Af("rowspan",n-1,e,t));const a=i+1,c=new Sf(n,{includeSpanned:!0,startRow:a,endRow:a});let l;for(const{row:e,column:i,cell:o}of[...c])if(s.has(i)){const{cell:o,rowspanToSet:r}=s.get(i),a=l?t.createPositionAfter(l):t.createPositionAt(n.getChild(e),0);t.move(t.createRangeOn(o),a),Af("rowspan",r,o,t),l=o}else l=o;t.remove(e)})}}class ep extends za{refresh(){const t=this.editor,e=t.model.document.selection,n=t.plugins.get("TableUtils"),i=xf("tableCell",e.getFirstPosition());this.isEnabled=!!i&&n.getColumns(i.parent.parent)>1}execute(){const t=this.editor.model,e=xf("tableCell",t.document.selection.getFirstPosition()),n=e.parent,i=n.parent,o=i.getAttribute("headingColumns")||0,r=i.getChildIndex(n),s=[...new Sf(i)],a=s.find(t=>t.cell===e).column;t.change(t=>{o&&r<=o&&t.setAttribute("headingColumns",o-1,i);for(const{cell:e,column:n,colspan:i}of s)n<=a&&i>1&&n+i>a?Af("colspan",i-1,e,t):n===a&&t.remove(e)})}}class np extends za{refresh(){const t=xf("tableCell",this.editor.model.document.selection.getFirstPosition()),e=!!t;this.isEnabled=e,this.value=e&&this._isInHeading(t,t.parent.parent)}execute(t={}){const e=this.editor.model,n=xf("tableCell",e.document.selection.getFirstPosition()).parent,i=n.parent,o=i.getAttribute("headingRows")||0,r=n.index;if(t.forceValue===this.value)return;const s=this.value?r:r+1;e.change(t=>{if(s){const e=function(t,e,n){const i=[],o=new Sf(t,{startRow:e>n?n:0,endRow:e-1});for(const{row:t,rowspan:n,cell:r}of o)n>1&&t+n>e&&i.push(r);return i}(i,s,o);for(const n of e)ip(n,s,t)}Af("headingRows",s,i,t,0)})}_isInHeading(t,e){const n=parseInt(e.getAttribute("headingRows")||0);return!!n&&t.parent.index<n}}function ip(t,e,n){const i=t.parent,o=i.parent,r=e-i.index,s={},a=parseInt(t.getAttribute("rowspan"))-r;a>1&&(s.rowspan=a);const c=parseInt(t.getAttribute("colspan")||1);c>1&&(s.colspan=c);const l=o.getChildIndex(i),u=l+r,d=[...new Sf(o,{startRow:l,endRow:u,includeSpanned:!0})];let h;for(const{row:e,column:i,cell:r,cellIndex:a}of d)if(r===t&&void 0===h&&(h=i),void 0!==h&&h===i&&e===u){const t=o.getChild(e);Tf(n,n.createPositionAt(t,a),s)}Af("rowspan",r,t,n)}class op extends za{refresh(){const t=xf("tableCell",this.editor.model.document.selection.getFirstPosition()),e=!!t;this.isEnabled=e,this.value=e&&this._isInHeading(t,t.parent.parent)}execute(t={}){const e=this.editor.model,n=e.document.selection,i=this.editor.plugins.get("TableUtils"),o=xf("tableCell",n.getFirstPosition()),r=o.parent.parent,{column:s}=i.getCellLocation(o);if(t.forceValue===this.value)return;const a=this.value?s:s+1;e.change(t=>{Af("headingColumns",a,r,t,0)})}_isInHeading(t,e){const n=parseInt(e.getAttribute("headingColumns")||0),i=this.editor.plugins.get("TableUtils"),{column:o}=i.getCellLocation(t);return!!n&&o<n}}class rp extends Ra{static get pluginName(){return"TableUtils"}getCellLocation(t){const e=t.parent,n=e.parent,i=n.getChildIndex(e),o=new Sf(n,{startRow:i,endRow:i});for(const{cell:e,row:n,column:i}of o)if(e===t)return{row:n,column:i}}createTable(t,e,n){const i=t.createElement("table");return sp(t,i,0,e,n),i}insertRows(t,e={}){const n=this.editor.model,i=e.at||0,o=e.rows||1;n.change(e=>{const n=t.getAttribute("headingRows")||0;if(n>i&&e.setAttribute("headingRows",n+o,t),0===i||i===t.childCount)return void sp(e,t,i,o,this.getColumns(t));const r=new Sf(t,{endRow:i});let s=0;for(const{row:t,rowspan:n,colspan:a,cell:c}of r)t<i&&t+n>i&&e.setAttribute("rowspan",n+o,c),t===i&&(s+=a);sp(e,t,i,o,s)})}insertColumns(t,e={}){const n=this.editor.model,i=e.at||0,o=e.columns||1;n.change(e=>{const n=t.getAttribute("headingColumns");i<n&&e.setAttribute("headingColumns",n+o,t);const r=this.getColumns(t);if(0===i||r===i){for(const n of t.getChildren())ap(o,e,e.createPositionAt(n,i?"end":0));return}const s=new Sf(t,{column:i,includeSpanned:!0});for(const{row:n,cell:r,cellIndex:a}of s){const c=parseInt(r.getAttribute("rowspan")||1),l=parseInt(r.getAttribute("colspan")||1);if(r.index!==i&&l>1){if(e.setAttribute("colspan",l+o,r),s.skipRow(n),c>1)for(let t=n+1;t<n+c;t++)s.skipRow(t)}else{const i=e.createPositionAt(t.getChild(n),a);ap(o,e,i)}}})}splitCellVertically(t,e=2){const n=this.editor.model,i=t.parent.parent,o=parseInt(t.getAttribute("rowspan")||1),r=parseInt(t.getAttribute("colspan")||1);n.change(n=>{if(r>1){const{newCellsSpan:i,updatedSpan:s}=cp(r,e);Af("colspan",s,t,n);const a={};i>1&&(a.colspan=i),o>1&&(a.rowspan=o),ap(r>e?e-1:r-1,n,n.createPositionAfter(t),a)}if(r<e){const s=e-r,a=[...new Sf(i)],{column:c}=a.find(({cell:e})=>e===t),l=a.filter(({cell:e,colspan:n,column:i})=>e!==t&&i===c||i<c&&i+n>c);for(const{cell:t,colspan:e}of l)n.setAttribute("colspan",e+s,t);const u={};o>1&&(u.rowspan=o),ap(s,n,n.createPositionAfter(t),u);const d=i.getAttribute("headingColumns")||0;d>c&&Af("headingColumns",d+s,i,n)}})}splitCellHorizontally(t,e=2){const n=this.editor.model,i=t.parent,o=i.parent,r=o.getChildIndex(i),s=parseInt(t.getAttribute("rowspan")||1),a=parseInt(t.getAttribute("colspan")||1);n.change(n=>{if(s>1){const i=[...new Sf(o,{startRow:r,endRow:r+s-1,includeSpanned:!0})],{newCellsSpan:c,updatedSpan:l}=cp(s,e);Af("rowspan",l,t,n);const{column:u}=i.find(({cell:e})=>e===t),d={};c>1&&(d.rowspan=c),a>1&&(d.colspan=a);for(const{column:t,row:e,cellIndex:s}of i)e>=r+l&&t===u&&(e+r+l)%c==0&&ap(1,n,n.createPositionAt(o.getChild(e),s),d)}if(s<e){const i=e-s,c=[...new Sf(o,{startRow:0,endRow:r})];for(const{cell:e,rowspan:o,row:s}of c)if(e!==t&&s+o>r){const t=o+i;n.setAttribute("rowspan",t,e)}const l={};a>1&&(l.colspan=a),sp(n,o,r+1,i,1,l);const u=o.getAttribute("headingRows")||0;u>r&&Af("headingRows",u+i,o,n)}})}getColumns(t){return[...t.getChild(0).getChildren()].reduce((t,e)=>t+parseInt(e.getAttribute("colspan")||1),0)}}function sp(t,e,n,i,o,r={}){for(let s=0;s<i;s++){const i=t.createElement("tableRow");t.insert(i,e,n),ap(o,t,t.createPositionAt(i,"end"),r)}}function ap(t,e,n,i={}){for(let o=0;o<t;o++)Tf(e,n,i)}function cp(t,e){if(t<e)return{newCellsSpan:1,updatedSpan:1};const n=Math.floor(t/e);return{newCellsSpan:n,updatedSpan:t-n*e+n}}function lp(t,e){let n=!1;const i=function(t){const e=parseInt(t.getAttribute("headingRows")||0),n=t.childCount,i=[];for(const{row:o,rowspan:r,cell:s}of new Sf(t)){if(r<2)continue;const t=o<e?e:n;if(o+r>t){const e=t-o;i.push({cell:s,rowspan:e})}}return i}(t);if(i.length){n=!0;for(const t of i)Af("rowspan",t.rowspan,t.cell,e,1)}return n}function up(t,e){let n=!1;const i=function(t){const e={};for(const{row:n}of new Sf(t,{includeSpanned:!0}))e[n]||(e[n]=0),e[n]+=1;return e}(t),o=i[0];if(!Object.values(i).every(t=>t===o)){const o=Object.values(i).reduce((t,e)=>e>t?e:t,0);for(const[r,s]of Object.entries(i)){const i=o-s;if(i){for(let n=0;n<i;n++)Tf(e,e.createPositionAt(t.getChild(r),"end"));n=!0}}}return n}function dp(t){const e="attribute"===t.type,n=t.attributeKey;return e&&("headingRows"===n||"colspan"===n||"rowspan"===n)}function hp(t,e){let n=!1;for(const i of t.getChildren())n=fp(i,e)||n;return n}function fp(t,e){let n=!1;for(const i of t.getChildren())n=pp(i,e)||n;return n}function pp(t,e){if(0==t.childCount)return e.insertElement("paragraph",t),!0;const n=Array.from(t.getChildren()).filter(t=>t.is("text"));for(const t of n)e.wrap(e.createRangeOn(t),"paragraph");return!!n.length}function gp(t){return!(!t.position||!t.position.parent.is("tableCell"))&&("insert"==t.type&&"$text"==t.name||"remove"==t.type)}function mp(t,e){if(!Array.from(t.getChildren()).some(t=>t.is("paragraph")))return!1;if("attribute"==e){const e=Array.from(t.getChild(0).getAttributeKeys()).length;return 1===t.childCount&&e<2}return t.childCount<=("insert"==e?2:1)}n(85);class bp extends Ra{init(){const t=this.editor,e=t.model,n=e.schema,i=t.conversion;n.register("table",{allowWhere:"$block",allowAttributes:["headingRows","headingColumns"],isLimit:!0,isObject:!0,isBlock:!0}),n.register("tableRow",{allowIn:"table",isLimit:!0}),n.register("tableCell",{allowIn:"tableRow",allowAttributes:["colspan","rowspan"],isLimit:!0}),n.extend("$block",{allowIn:"tableCell"}),n.addChildCheck((t,e)=>{if("table"==e.name&&Array.from(t.getNames()).includes("table"))return!1}),i.for("upcast").add(t=>{t.on("element:table",(t,e,n)=>{const i=e.viewItem;if(!n.consumable.test(i,{name:!0}))return;const{rows:o,headingRows:r,headingColumns:s}=function(t){const e={headingRows:0,headingColumns:0},n=[],i=[];let o;for(const r of Array.from(t.getChildren()))if("tbody"===r.name||"thead"===r.name||"tfoot"===r.name){"thead"!==r.name||o||(o=r);const t=Array.from(r.getChildren()).filter(t=>t.is("element","tr"));for(const r of t)if("thead"===r.parent.name&&r.parent===o)e.headingRows++,n.push(r);else{i.push(r);const t=Pf(r);t>e.headingColumns&&(e.headingColumns=t)}}return e.rows=[...n,...i],e}(i),a={};s&&(a.headingColumns=s),r&&(a.headingRows=r);const c=n.writer.createElement("table",a),l=n.splitToAllowedParent(c,e.modelCursor);if(l){if(n.writer.insert(c,l.position),n.consumable.consume(i,{name:!0}),o.length)o.forEach(t=>n.convertItem(t,n.writer.createPositionAt(c,"end")));else{const t=n.writer.createElement("tableRow");n.writer.insert(t,n.writer.createPositionAt(c,"end")),Tf(n.writer,n.writer.createPositionAt(t,"end"))}e.modelRange=n.writer.createRange(n.writer.createPositionBefore(c),n.writer.createPositionAfter(c)),l.cursorParent?e.modelCursor=n.writer.createPositionAt(l.cursorParent,0):e.modelCursor=e.modelRange.end}})}),i.for("editingDowncast").add(Of({asWidget:!0})),i.for("dataDowncast").add(Of()),i.for("upcast").elementToElement({model:"tableRow",view:"tr"}),i.for("editingDowncast").add(Nf({asWidget:!0})),i.for("dataDowncast").add(Nf()),i.for("downcast").add(t=>t.on("remove:tableRow",(t,e,n)=>{t.stop();const i=n.writer,o=n.mapper,r=o.toViewPosition(e.position).getLastMatchingPosition(t=>!t.item.is("tr")).nodeAfter,s=r.parent,a=i.createRangeOn(r),c=i.remove(a);for(const t of i.createRangeIn(c).getItems())o.unbindViewElement(t);s.childCount||i.remove(i.createRangeOn(s))},{priority:"higher"})),i.for("upcast").add(Cf("td")),i.for("upcast").add(Cf("th")),i.for("editingDowncast").add(Rf({asWidget:!0})),i.for("dataDowncast").add(Rf()),i.attributeToAttribute({model:"colspan",view:"colspan"}),i.attributeToAttribute({model:"rowspan",view:"rowspan"}),i.for("editingDowncast").add(Df({asWidget:!0})),i.for("dataDowncast").add(Df()),i.for("editingDowncast").add(jf({asWidget:!0})),i.for("dataDowncast").add(jf()),t.commands.add("insertTable",new Gf(t)),t.commands.add("insertTableRowAbove",new Qf(t,{order:"above"})),t.commands.add("insertTableRowBelow",new Qf(t,{order:"below"})),t.commands.add("insertTableColumnLeft",new Kf(t,{order:"left"})),t.commands.add("insertTableColumnRight",new Kf(t,{order:"right"})),t.commands.add("removeTableRow",new tp(t)),t.commands.add("removeTableColumn",new ep(t)),t.commands.add("splitTableCellVertically",new Jf(t,{direction:"vertically"})),t.commands.add("splitTableCellHorizontally",new Jf(t,{direction:"horizontally"})),t.commands.add("mergeTableCellRight",new Zf(t,{direction:"right"})),t.commands.add("mergeTableCellLeft",new Zf(t,{direction:"left"})),t.commands.add("mergeTableCellDown",new Zf(t,{direction:"down"})),t.commands.add("mergeTableCellUp",new Zf(t,{direction:"up"})),t.commands.add("setTableColumnHeader",new op(t)),t.commands.add("setTableRowHeader",new np(t)),function(t){t.document.registerPostFixer(e=>(function(t,e){const n=e.document.differ.getChanges();let i=!1;const o=new Set;for(const e of n){let n;"table"==e.name&&"insert"==e.type&&(n=e.position.nodeAfter),"tableRow"!=e.name&&"tableCell"!=e.name||(n=xf("table",e.position)),dp(e)&&(n=xf("table",e.range.start)),n&&!o.has(n)&&(i=lp(n,t)||i,i=up(n,t)||i,o.add(n))}return i})(e,t))}(e),function(t){t.document.registerPostFixer(()=>(function(t){const e=t.document.differ,n=new Set;for(const t of e.getChanges()){const e="insert"==t.type||"remove"==t.type?t.position.parent:t.range.start.parent;e.is("tableCell")&&mp(e,t.type)&&n.add(e)}if(n.size){for(const t of n.values())e.refreshItem(t);return!0}return!1})(t))}(e),function(t){t.document.registerPostFixer(e=>(function(t,e){const n=e.document.differ.getChanges();let i=!1;for(const e of n)"insert"==e.type&&"table"==e.name&&(i=hp(e.position.nodeAfter,t)||i),"insert"==e.type&&"tableRow"==e.name&&(i=fp(e.position.nodeAfter,t)||i),"insert"==e.type&&"tableCell"==e.name&&(i=pp(e.position.nodeAfter,t)||i),gp(e)&&(i=pp(e.position.parent,t)||i);return i})(e,t))}(e),this.editor.keystrokes.set("Tab",(...t)=>this._handleTabOnSelectedTable(...t),{priority:"low"}),this.editor.keystrokes.set("Tab",this._getTabHandler(!0),{priority:"low"}),this.editor.keystrokes.set("Shift+Tab",this._getTabHandler(!1),{priority:"low"})}static get requires(){return[rp]}_handleTabOnSelectedTable(t,e){const n=this.editor,i=n.model.document.selection;if(!i.isCollapsed&&1===i.rangeCount&&i.getFirstRange().isFlat){const t=i.getSelectedElement();if(!t||!t.is("table"))return;e(),n.model.change(e=>{e.setSelection(e.createRangeIn(t.getChild(0).getChild(0)))})}}_getTabHandler(t){const e=this.editor;return(n,i)=>{const o=xf("tableCell",e.model.document.selection.getFirstPosition());if(!o)return;i();const r=o.parent,s=r.parent,a=s.getChildIndex(r),c=r.getChildIndex(o),l=0===c;if(!t&&l&&0===a)return;const u=c===r.childCount-1,d=a===s.childCount-1;if(t&&d&&u&&(e.execute("insertTableRowBelow"),a===s.childCount-1))return;let h;if(t&&u){const t=s.getChild(a+1);h=t.getChild(0)}else if(!t&&l){const t=s.getChild(a-1);h=t.getChild(t.childCount-1)}else h=r.getChild(c+(t?1:-1));e.model.change(t=>{t.setSelection(t.createRangeIn(h))})}}}n(87);class wp extends _a{constructor(t){super(t);const e=this.bindTemplate;this.items=this.createCollection(),this.set("rows",0),this.set("columns",0),this.bind("label").to(this,"columns",this,"rows",(t,e)=>`${e} × ${t}`),this.setTemplate({tag:"div",attributes:{class:["ck"]},children:[{tag:"div",attributes:{class:["ck-insert-table-dropdown__grid"]},children:this.items},{tag:"div",attributes:{class:["ck-insert-table-dropdown__label"]},children:[{text:e.to("label")}]}],on:{mousedown:e.to(t=>{t.preventDefault()}),click:e.to(()=>{this.fire("execute")})}});for(let t=0;t<100;t++){const e=new _p;e.on("over",()=>{const e=Math.floor(t/10),n=t%10;this.set("rows",e+1),this.set("columns",n+1)}),this.items.add(e)}this.on("change:columns",()=>{this._highlightGridBoxes()}),this.on("change:rows",()=>{this._highlightGridBoxes()})}focus(){}focusLast(){}_highlightGridBoxes(){const t=this.rows,e=this.columns;this.items.map((n,i)=>{const o=Math.floor(i/10)<t&&i%10<e;n.set("isOn",o)})}}class _p extends _a{constructor(t){super(t);const e=this.bindTemplate;this.set("isOn",!1),this.setTemplate({tag:"div",attributes:{class:["ck-insert-table-dropdown-grid-box",e.if("isOn","ck-on")]},on:{mouseover:e.to("over")}})}}var vp='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M3 6v3h4V6H3zm0 4v3h4v-3H3zm0 4v3h4v-3H3zm5 3h4v-3H8v3zm5 0h4v-3h-4v3zm4-4v-3h-4v3h4zm0-4V6h-4v3h4zm1.5 8a1.5 1.5 0 0 1-1.5 1.5H3A1.5 1.5 0 0 1 1.5 17V4c.222-.863 1.068-1.5 2-1.5h13c.932 0 1.778.637 2 1.5v13zM12 13v-3H8v3h4zm0-4V6H8v3h4z"/></svg>',kp='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M18 7v1H2V7h16zm0 5v1H2v-1h16z" opacity=".6"/><path d="M14 1v18a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V1a1 1 0 0 1 1-1h6a1 1 0 0 1 1 1zm-2 1H8v4h4V2zm0 6H8v4h4V8zm0 6H8v4h4v-4z"/></svg>',yp='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M7 2h1v16H7V2zm5 0h1v16h-1V2z" opacity=".6"/><path d="M1 6h18a1 1 0 0 1 1 1v6a1 1 0 0 1-1 1H1a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1zm1 2v4h4V8H2zm6 0v4h4V8H8zm6 0v4h4V8h-4z"/></svg>',xp='<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path d="M2.5 1h15A1.5 1.5 0 0 1 19 2.5v15a1.5 1.5 0 0 1-1.5 1.5h-15A1.5 1.5 0 0 1 1 17.5v-15A1.5 1.5 0 0 1 2.5 1zM2 2v16h16V2H2z" opacity=".6"/><path d="M7 2h1v16H7V2zm5 0h1v7h-1V2zm6 5v1H2V7h16zM8 12v1H2v-1h6z" opacity=".6"/><path d="M7 7h12a1 1 0 0 1 1 1v11a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V8a1 1 0 0 1 1-1zm1 2v9h10V9H8z"/></svg>';class Ap extends Ra{init(){const t=this.editor,e=this.editor.t;t.ui.componentFactory.add("insertTable",n=>{const i=t.commands.get("insertTable"),o=cd(n);o.bind("isEnabled").to(i),o.buttonView.set({icon:vp,label:e("s"),tooltip:!0});const r=new wp(n);return o.panelView.children.add(r),r.delegate("execute").to(o),o.buttonView.on("open",()=>{r.rows=0,r.columns=0}),o.on("execute",()=>{t.execute("insertTable",{rows:r.rows,columns:r.columns}),t.editing.view.focus()}),o}),t.ui.componentFactory.add("tableColumn",t=>{const n=[{type:"switchbutton",model:{commandName:"setTableColumnHeader",label:e("t"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:"insertTableColumnLeft",label:e("u")}},{type:"button",model:{commandName:"insertTableColumnRight",label:e("v")}},{type:"button",model:{commandName:"removeTableColumn",label:e("w")}}];return this._prepareDropdown(e("x"),kp,n,t)}),t.ui.componentFactory.add("tableRow",t=>{const n=[{type:"switchbutton",model:{commandName:"setTableRowHeader",label:e("y"),bindIsOn:!0}},{type:"separator"},{type:"button",model:{commandName:"insertTableRowBelow",label:e("z")}},{type:"button",model:{commandName:"insertTableRowAbove",label:e("aa")}},{type:"button",model:{commandName:"removeTableRow",label:e("ab")}}];return this._prepareDropdown(e("ac"),yp,n,t)}),t.ui.componentFactory.add("mergeTableCells",t=>{const n=[{type:"button",model:{commandName:"mergeTableCellUp",label:e("ad")}},{type:"button",model:{commandName:"mergeTableCellRight",label:e("ae")}},{type:"button",model:{commandName:"mergeTableCellDown",label:e("af")}},{type:"button",model:{commandName:"mergeTableCellLeft",label:e("ag")}},{type:"separator"},{type:"button",model:{commandName:"splitTableCellVertically",label:e("ah")}},{type:"button",model:{commandName:"splitTableCellHorizontally",label:e("ai")}}];return this._prepareDropdown(e("aj"),xp,n,t)})}_prepareDropdown(t,e,n,i){const o=this.editor,r=cd(i),s=[],a=new kn;for(const t of n)Tp(t,o,s,a);return ld(r,a),r.buttonView.set({label:t,icon:e,tooltip:!0}),r.bind("isEnabled").toMany(s,"isEnabled",(...t)=>t.some(t=>t)),this.listenTo(r,"execute",t=>{o.execute(t.source.commandName),o.editing.view.focus()}),r}}function Tp(t,e,n,i){const o=t.model=new Xu(t.model),{commandName:r,bindIsOn:s}=t.model;if("separator"!==t.type){const t=e.commands.get(r);n.push(t),o.set({commandName:r}),o.bind("isEnabled").to(t),s&&o.bind("isOn").to(t,"value")}o.set({withText:!0}),i.add(t)}n(89),n.d(e,"default",function(){return Cp});class Cp extends Na{}Cp.builtinPlugins=[class extends Ra{static get requires(){return[Va,Ha,Qa,cc,Oc]}static get pluginName(){return"Essentials"}},Fc,class extends Ra{static get pluginName(){return"Autoformat"}afterInit(){this._addListAutoformats(),this._addBasicStylesAutoformats(),this._addHeadingAutoformats(),this._addBlockQuoteAutoformats()}_addListAutoformats(){const t=this.editor.commands;t.get("bulletedList")&&new Uc(this.editor,/^[*-]\s$/,"bulletedList"),t.get("numberedList")&&new Uc(this.editor,/^1[.|)]\s$/,"numberedList")}_addBasicStylesAutoformats(){const t=this.editor.commands;if(t.get("bold")){const t=Hc(this.editor,"bold");new $c(this.editor,/(\*\*)([^*]+)(\*\*)$/g,t),new $c(this.editor,/(__)([^_]+)(__)$/g,t)}if(t.get("italic")){const t=Hc(this.editor,"italic");new $c(this.editor,/(?:^|[^*])(\*)([^*_]+)(\*)$/g,t),new $c(this.editor,/(?:^|[^_])(_)([^_]+)(_)$/g,t)}if(t.get("code")){const t=Hc(this.editor,"code");new $c(this.editor,/(`)([^`]+)(`)$/g,t)}}_addHeadingAutoformats(){const t=this.editor.commands.get("heading");t&&t.modelElements.filter(t=>t.match(/^heading[1-6]$/)).forEach(e=>{const n=e[7],i=new RegExp(`^(#{${n}})\\s$`);new Uc(this.editor,i,()=>{if(!t.isEnabled)return!1;this.editor.execute("heading",{value:e})})})}_addBlockQuoteAutoformats(){this.editor.commands.get("blockQuote")&&new Uc(this.editor,/^>\s$/,"blockQuote")}},class extends Ra{static get requires(){return[Gc,Jc]}static get pluginName(){return"Bold"}},class extends Ra{static get requires(){return[Xc,nl]}static get pluginName(){return"Italic"}},class extends Ra{static get requires(){return[cl,ul]}static get pluginName(){return"BlockQuote"}},class extends Ra{static get pluginName(){return"CKFinder"}static get requires(){return[ml,hl,Fc]}},class extends Ra{static get requires(){return[xl,Tu,$u]}static get pluginName(){return"EasyImage"}},class extends Ra{static get requires(){return[Zu,ud]}static get pluginName(){return"Heading"}},Tu,class extends Ra{static get requires(){return[fd]}static get pluginName(){return"ImageCaption"}},class extends Ra{static get requires(){return[Sd,Ed]}static get pluginName(){return"ImageStyle"}},class extends Ra{static get requires(){return[Md]}static get pluginName(){return"ImageToolbar"}afterInit(){const t=this.editor,e=t.t;t.plugins.get(Md).register("image",{ariaLabel:e("b"),items:t.config.get("image.toolbar")||[],getRelatedElement:Fl})}},$u,class extends Ra{static get requires(){return[mh,Ah]}static get pluginName(){return"Link"}},class extends Ra{static get requires(){return[Gh,Zh]}static get pluginName(){return"List"}},class extends Ra{static get requires(){return[uf,gf,hf,Ql]}static get pluginName(){return"MediaEmbed"}},Wu,class extends Ra{static get pluginName(){return"PasteFromOffice"}static get requires(){return[Va]}init(){const t=this.editor,e=[];e.push(new class{isActive(t){return kf.test(t)||yf.test(t)}execute(t){const{body:e,stylesString:n}=function(t){const e=new DOMParser,n=function(t){return _f(_f(t)).replace(/(<span style=['"]mso-spacerun:yes['"]>[\s]*?)[\r\n]+(\s*<\/span>)/g,"$1$2").replace(/<span style=['"]mso-spacerun:yes['"]><\/span>/g,"").replace(/ <\//g," </").replace(/ <o:p><\/o:p>/g," <o:p></o:p>").replace(/>(\s*[\r\n]\s*)</g,"><")}(function(t){const e=t.match(/<\/body>(.*?)(<\/html>|$)/);return e&&e[1]&&(t=t.slice(0,e.index)+t.slice(e.index).replace(e[1],"")),t}(t=t.replace(/<!--\[if gte vml 1]>/g,""))),i=e.parseFromString(n,"text/html");i.querySelectorAll("span[style*=spacerun]").forEach(t=>{const e=t.childNodes[0].data.length;t.innerHTML=Array(e+1).join("  ").substr(0,e)});const o=i.body.innerHTML,r=function(t){const e=new vi({blockFiller:Zn}),n=t.createDocumentFragment(),i=t.body.childNodes;for(;i.length>0;)n.appendChild(i[0]);return e.domToView(n)}(i),s=function(t){const e=[],n=[],i=Array.from(t.getElementsByTagName("style"));for(const t of i)t.sheet&&t.sheet.cssRules&&t.sheet.cssRules.length&&(e.push(t.sheet),n.push(t.innerHTML));return{styles:e,stylesString:n.join(" ")}}(i);return{body:r,bodyString:o,styles:s.styles,stylesString:s.stylesString}}(t.dataTransfer.getData("text/html"));(function(t,e){if(!t.childCount)return;const n=new Vu,i=function(t,e){const n=e.createRangeIn(t),i=new ze({name:/^p|h\d+$/,styles:{"mso-list":/.*/}}),o=[];for(const t of n)if("elementStart"===t.type&&i.match(t.item)){const e=mf(t.item);o.push({element:t.item,id:e.id,order:e.order,indent:e.indent})}return o}(t,n);if(!i.length)return;let o=null;i.forEach((t,r)=>{if(!o||function(t,e){if(t.id!==e.id)return!0;const n=e.element.previousSibling;return!n||!bf(n)}(i[r-1],t)){const i=function(t,e){const n=/mso-level-number-format:([^;]*);/gi,i=new RegExp(`@list l${t.id}:level${t.indent}\\s*({[^}]*)`,"gi").exec(e);let o="decimal";if(i&&i[1]){const t=n.exec(i[1]);t&&t[1]&&(o=t[1].trim())}return{type:"bullet"!==o&&"image"!==o?"ol":"ul",style:o}}(t,e);o=function(t,e,n){const i=new Be(t.type),o=e.parent.getChildIndex(e);return n.insertChild(o,i,e.parent),i}(i,t.element,n)}const s=function(t,e){return function(t,e){const n=new ze({name:"span",styles:{"mso-list":"Ignore"}}),i=e.createRangeIn(t);for(const t of i)"elementStart"===t.type&&n.match(t.item)&&e.remove(t.item)}(t,e),e.rename("li",t)}(t.element,n);n.appendChild(s,o)})})(e,n),function(t,e){if(!t.childCount)return;const n=new Vu;!function(t,e,n){const i=n.createRangeIn(e),o=new ze({name:"img"}),r=[];for(const e of i)if(o.match(e.item)){const n=e.item,i=n.getAttribute("v:shapes")?n.getAttribute("v:shapes").split(" "):[];i.length&&i.every(e=>t.indexOf(e)>-1)?r.push(n):n.getAttribute("src")||r.push(n)}for(const t of r)n.remove(t)}(function(t,e){const n=e.createRangeIn(t),i=new ze({name:/v:(.+)/}),o=[];for(const t of n){const e=t.item,n=e.previousSibling&&e.previousSibling.name||null;i.match(e)&&e.getAttribute("o:gfxdata")&&"v:shapetype"!==n&&o.push(t.item.getAttribute("id"))}return o}(t,n),t,n),function(t,e){const n=e.createRangeIn(t),i=new ze({name:/v:(.+)/}),o=[];for(const t of n)i.match(t.item)&&o.push(t.item);for(const t of o)e.remove(t)}(t,n);const i=function(t,e){const n=e.createRangeIn(t),i=new ze({name:"img"}),o=[];for(const t of n)i.match(t.item)&&t.item.getAttribute("src").startsWith("file://")&&o.push(t.item);return o}(t,n);i.length&&function(t,e,n){if(t.length===e.length)for(let i=0;i<t.length;i++){const o=`data:${e[i].type};base64,${vf(e[i].hex)}`;n.setAttribute("src",o,t[i])}}(i,function(t){if(!t)return[];const e=/{\\pict[\s\S]+?\\bliptag-?\d+(\\blipupi-?\d+)?({\\\*\\blipuid\s?[\da-fA-F]+)?[\s}]*?/,n=new RegExp("(?:("+e.source+"))([\\da-fA-F\\s]+)\\}","g"),i=t.match(n),o=[];if(i)for(const t of i){let n=!1;t.includes("\\pngblip")?n="image/png":t.includes("\\jpegblip")&&(n="image/jpeg"),n&&o.push({hex:t.replace(e,"").replace(/[^\da-fA-F]/g,""),type:n})}return o}(e),n)}(e,t.dataTransfer.getData("text/rtf")),t.content=e}}),e.push(new class{isActive(t){return wf.test(t)}execute(t){const e=new Vu;!function(t,e){for(const n of t.getChildren())if(n.is("b")&&"normal"===n.getStyle("font-weight")){const i=t.getChildIndex(n);e.remove(n),e.insertChild(i,n.getChildren(),t)}}(t.content,e),function(t,e){for(const n of e.createRangeIn(t)){const t=n.item;if(t.is("li")){const n=t.nextSibling;n&&bf(n)&&(e.remove(n),e.insertChild(t.childCount,n,t))}if(bf(t)){let n=t.getChild(0);for(;bf(n);)e.unwrapElement(n),n=t.getChild(0)}}}(t.content,e),function(t,e){for(const n of e.createRangeIn(t)){const t=n.item;if(t.is("li")){const n=t.getChild(0);n.is("p")&&e.unwrapElement(n)}}}(t.content,e)}}),t.plugins.get("Clipboard").on("inputTransformation",(t,n)=>{if(n.isTransformedWithPasteFromOffice)return;const i=n.dataTransfer.getData("text/html"),o=e.find(t=>t.isActive(i));o&&(o.execute(n),n.isTransformedWithPasteFromOffice=!0)},{priority:"high"})}},class extends Ra{static get requires(){return[bp,Ap,Ql]}static get pluginName(){return"Table"}},class extends Ra{static get requires(){return[Md]}static get pluginName(){return"TableToolbar"}afterInit(){const t=this.editor,e=t.t,n=t.plugins.get(Md),i=t.config.get("table.contentToolbar"),o=t.config.get("table.tableToolbar");i&&n.register("tableContent",{ariaLabel:e("c"),items:i,getRelatedElement:If}),o&&n.register("table",{ariaLabel:e("c"),items:o,getRelatedElement:Mf})}}],Cp.defaultConfig={toolbar:{items:["heading","|","bold","italic","link","bulletedList","numberedList","imageUpload","blockQuote","insertTable","mediaEmbed","undo","redo"]},image:{toolbar:["imageStyle:full","imageStyle:side","|","imageTextAlternative"]},table:{contentToolbar:["tableColumn","tableRow","mergeTableCells"]},language:"en"}}]).default},t.exports=i()},function(t,e){t.exports={render:function(){var t=this,e=t.$createElement,n=t._self._c||e;return n("default-field",{attrs:{field:t.field,errors:t.errors,"full-width-content":!0}},[n("template",{slot:"field"},[n("div",{staticClass:"rounded-lg form-control auto-height"},[n("ckeditor",{class:t.errorClasses,attrs:{editor:t.editor,config:t.editorConfig,id:t.field.name,placeholder:t.field.name},on:{ready:t.setEditorInitialValue},model:{value:t.value,callback:function(e){t.value=e},expression:"value"}})],1)])],2)},staticRenderFns:[]}},function(t,e){}]);
\ No newline at end of file
diff --git a/resources/js/ckeditor5/upload-adapter.js b/resources/js/ckeditor5/upload-adapter.js
index aa8a286..648690f 100644
--- a/resources/js/ckeditor5/upload-adapter.js
+++ b/resources/js/ckeditor5/upload-adapter.js
@@ -14,10 +14,12 @@ export default class NovaCKEditor5UploadAdapter {
                 data.append('attachment', file)
                 data.append('draftId', this.draftId)
 
+                const fieldName = this.field.attribute.split('.');
+
                 return Nova.request()
-                    .post(`/nova-vendor/ckeditor5-classic/${this.resourceName}/upload/${this.field.attribute}`, data, {
+                    .post(`/nova-vendor/ckeditor5-classic/${this.resourceName}/upload/${fieldName[0]}`, data, {
                         headers: {
-                        'Content-Type': 'multipart/form-data'
+                            'Content-Type': 'multipart/form-data'
                         }
                     })
                     .then(response => {