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autoNumeric.js
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autoNumeric.js
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/**
* autoNumeric.js
* @author: Bob Knothe
* @author: Sokolov Yura
* @version: 1.9.22 - 2014-04-20 GMT 7:00 PM
*
* Created by Robert J. Knothe on 2010-10-25. Please report any bugs to https://github.com/BobKnothe/autoNumeric
* Created by Sokolov Yura on 2010-11-07
*
* Copyright (c) 2011 Robert J. Knothe http://www.decorplanit.com/plugin/
*
* The MIT License (http://www.opensource.org/licenses/mit-license.php)
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
(function ($) {
"use strict";
/*jslint browser: true*/
/*global jQuery: false*/
/* Cross browser routine for getting selected range/cursor position
*/
function getElementSelection(that) {
var position = {};
if (that.selectionStart === undefined) {
that.focus();
var select = document.selection.createRange();
position.length = select.text.length;
select.moveStart('character', -that.value.length);
position.end = select.text.length;
position.start = position.end - position.length;
} else {
position.start = that.selectionStart;
position.end = that.selectionEnd;
position.length = position.end - position.start;
}
return position;
}
/**
* Cross browser routine for setting selected range/cursor position
*/
function setElementSelection(that, start, end) {
if (that.selectionStart === undefined) {
that.focus();
var r = that.createTextRange();
r.collapse(true);
r.moveEnd('character', end);
r.moveStart('character', start);
r.select();
} else {
that.selectionStart = start;
that.selectionEnd = end;
}
}
/**
* run callbacks in parameters if any
* any parameter could be a callback:
* - a function, which invoked with jQuery element, parameters and this parameter name and returns parameter value
* - a name of function, attached to $(selector).autoNumeric.functionName(){} - which was called previously
*/
function runCallbacks($this, settings) {
/**
* loops through the settings object (option array) to find the following
* k = option name example k=aNum
* val = option value example val=0123456789
*/
$.each(settings, function (k, val) {
if (typeof val === 'function') {
settings[k] = val($this, settings, k);
} else if (typeof $this.autoNumeric[val] === 'function') {
/**
* calls the attached function from the html5 data example: data-a-sign="functionName"
*/
settings[k] = $this.autoNumeric[val]($this, settings, k);
}
});
}
function convertKeyToNumber(settings, key) {
if (typeof (settings[key]) === 'string') {
settings[key] *= 1;
}
}
/**
* Preparing user defined options for further usage
* merge them with defaults appropriately
*/
function autoCode($this, settings) {
runCallbacks($this, settings);
settings.oEvent = null;
settings.tagList = ['B', 'CAPTION', 'CITE', 'CODE', 'DD', 'DEL', 'DIV', 'DFN', 'DT', 'EM', 'H1', 'H2', 'H3', 'H4', 'H5', 'H6', 'INS', 'KDB', 'LABEL', 'LI', 'OUTPUT', 'P', 'Q', 'S', 'SAMPLE', 'SPAN', 'STRONG', 'TD', 'TH', 'U', 'VAR'];
var vmax = settings.vMax.toString().split('.'),
vmin = (!settings.vMin && settings.vMin !== 0) ? [] : settings.vMin.toString().split('.');
convertKeyToNumber(settings, 'vMax');
convertKeyToNumber(settings, 'vMin');
convertKeyToNumber(settings, 'mDec'); /** set mDec if not defined by user */
settings.mDec = (settings.mRound === 'CHF') ? '2' : settings.mDec;
settings.allowLeading = true;
settings.aNeg = settings.vMin < 0 ? '-' : '';
vmax[0] = vmax[0].replace('-', '');
vmin[0] = vmin[0].replace('-', '');
settings.mInt = Math.max(vmax[0].length, vmin[0].length, 1);
if (settings.mDec === null) {
var vmaxLength = 0,
vminLength = 0;
if (vmax[1]) {
vmaxLength = vmax[1].length;
}
if (vmin[1]) {
vminLength = vmin[1].length;
}
settings.mDec = Math.max(vmaxLength, vminLength);
} /** set alternative decimal separator key */
if (settings.altDec === null && settings.mDec > 0) {
if (settings.aDec === '.' && settings.aSep !== ',') {
settings.altDec = ',';
} else if (settings.aDec === ',' && settings.aSep !== '.') {
settings.altDec = '.';
}
}
/** cache regexps for autoStrip */
var aNegReg = settings.aNeg ? '([-\\' + settings.aNeg + ']?)' : '(-?)';
settings.aNegRegAutoStrip = aNegReg;
settings.skipFirstAutoStrip = new RegExp(aNegReg + '[^-' + (settings.aNeg ? '\\' + settings.aNeg : '') + '\\' + settings.aDec + '\\d]' + '.*?(\\d|\\' + settings.aDec + '\\d)');
settings.skipLastAutoStrip = new RegExp('(\\d\\' + settings.aDec + '?)[^\\' + settings.aDec + '\\d]\\D*$');
var allowed = '-' + settings.aNum + '\\' + settings.aDec;
settings.allowedAutoStrip = new RegExp('[^' + allowed + ']', 'gi');
settings.numRegAutoStrip = new RegExp(aNegReg + '(?:\\' + settings.aDec + '?(\\d+\\' + settings.aDec + '\\d+)|(\\d*(?:\\' + settings.aDec + '\\d*)?))');
return settings;
}
/**
* strip all unwanted characters and leave only a number alert
*/
function autoStrip(s, settings, strip_zero) {
if (settings.aSign) { /** remove currency sign */
while (s.indexOf(settings.aSign) > -1) {
s = s.replace(settings.aSign, '');
}
}
s = s.replace(settings.skipFirstAutoStrip, '$1$2'); /** first replace anything before digits */
s = s.replace(settings.skipLastAutoStrip, '$1'); /** then replace anything after digits */
s = s.replace(settings.allowedAutoStrip, ''); /** then remove any uninterested characters */
if (settings.altDec) {
s = s.replace(settings.altDec, settings.aDec);
} /** get only number string */
var m = s.match(settings.numRegAutoStrip);
s = m ? [m[1], m[2], m[3]].join('') : '';
if ((settings.lZero === 'allow' || settings.lZero === 'keep') && strip_zero !== 'strip') {
var parts = [],
nSign = '';
parts = s.split(settings.aDec);
if (parts[0].indexOf('-') !== -1) {
nSign = '-';
parts[0] = parts[0].replace('-', '');
}
if (parts[0].length > settings.mInt && parts[0].charAt(0) === '0') { /** strip leading zero if need */
parts[0] = parts[0].slice(1);
}
s = nSign + parts.join(settings.aDec);
}
if ((strip_zero && settings.lZero === 'deny') || (strip_zero && settings.lZero === 'allow' && settings.allowLeading === false)) {
var strip_reg = '^' + settings.aNegRegAutoStrip + '0*(\\d' + (strip_zero === 'leading' ? ')' : '|$)');
strip_reg = new RegExp(strip_reg);
s = s.replace(strip_reg, '$1$2');
}
return s;
}
/**
* places or removes brackets on negative values
*/
function negativeBracket(s, nBracket, oEvent) { /** oEvent = settings.oEvent */
nBracket = nBracket.split(',');
if (oEvent === 'set' || oEvent === 'focusout') {
s = s.replace('-', '');
s = nBracket[0] + s + nBracket[1];
} else if ((oEvent === 'get' || oEvent === 'focusin' || oEvent === 'pageLoad') && s.charAt(0) === nBracket[0]) {
s = s.replace(nBracket[0], '-');
s = s.replace(nBracket[1], '');
}
return s;
}
/**
* truncate decimal part of a number
*/
function truncateDecimal(s, aDec, mDec) {
if (aDec && mDec) {
var parts = s.split(aDec);
/** truncate decimal part to satisfying length
* cause we would round it anyway */
if (parts[1] && parts[1].length > mDec) {
if (mDec > 0) {
parts[1] = parts[1].substring(0, mDec);
s = parts.join(aDec);
} else {
s = parts[0];
}
}
}
return s;
}
/**
* prepare number string to be converted to real number
*/
function fixNumber(s, aDec, aNeg) {
if (aDec && aDec !== '.') {
s = s.replace(aDec, '.');
}
if (aNeg && aNeg !== '-') {
s = s.replace(aNeg, '-');
}
if (!s.match(/\d/)) {
s += '0';
}
return s;
}
/**
* function to handle numbers less than 0 that are stored in Exponential notation ex: .0000001 stored as 1e-7
*/
function checkValue(value, settings) {
if (value) {
var checkSmall = +value;
if (checkSmall < 0.000001 && checkSmall > -1) {
value = +value;
if (value < 0.000001 && value > 0) {
value = (value + 10).toString();
value = value.substring(1);
}
if (value < 0 && value > -1) {
value = (value - 10).toString();
value = '-' + value.substring(2);
}
value = value.toString();
} else {
var parts = value.split('.');
if (parts[1] !== undefined) {
if (+parts[1] === 0) {
value = parts[0];
} else {
parts[1] = parts[1].replace(/0*$/, '');
value = parts.join('.');
}
}
}
}
return (settings.lZero === 'keep') ? value : value.replace(/^0*(\d)/, '$1');
}
/**
* prepare real number to be converted to our format
*/
function presentNumber(s, aDec, aNeg) {
if (aNeg && aNeg !== '-') {
s = s.replace('-', aNeg);
}
if (aDec && aDec !== '.') {
s = s.replace('.', aDec);
}
return s;
}
/**
* checking that number satisfy format conditions
* and lays between settings.vMin and settings.vMax
* and the string length does not exceed the digits in settings.vMin and settings.vMax
*/
function autoCheck(s, settings) {
s = autoStrip(s, settings);
s = truncateDecimal(s, settings.aDec, settings.mDec);
s = fixNumber(s, settings.aDec, settings.aNeg);
var value = +s;
if (settings.oEvent === 'set' && (value < settings.vMin || value > settings.vMax)) {
$.error("The value (" + value + ") from the 'set' method falls outside of the vMin / vMax range");
}
return value >= settings.vMin && value <= settings.vMax;
}
/**
* private function to check for empty value
*/
function checkEmpty(iv, settings, signOnEmpty) {
if (iv === '' || iv === settings.aNeg) {
if (settings.wEmpty === 'zero') {
return iv + '0';
}
if (settings.wEmpty === 'sign' || signOnEmpty) {
return iv + settings.aSign;
}
return iv;
}
return null;
}
/**
* private function that formats our number
*/
function autoGroup(iv, settings) {
iv = autoStrip(iv, settings);
var testNeg = iv.replace(',', '.'),
empty = checkEmpty(iv, settings, true);
if (empty !== null) {
return empty;
}
var digitalGroup = '';
if (settings.dGroup === 2) {
digitalGroup = /(\d)((\d)(\d{2}?)+)$/;
} else if (settings.dGroup === 4) {
digitalGroup = /(\d)((\d{4}?)+)$/;
} else {
digitalGroup = /(\d)((\d{3}?)+)$/;
} /** splits the string at the decimal string */
var ivSplit = iv.split(settings.aDec);
if (settings.altDec && ivSplit.length === 1) {
ivSplit = iv.split(settings.altDec);
} /** assigns the whole number to the a varibale (s) */
var s = ivSplit[0];
if (settings.aSep) {
while (digitalGroup.test(s)) { /** re-inserts the thousand sepparator via a regualer expression */
s = s.replace(digitalGroup, '$1' + settings.aSep + '$2');
}
}
if (settings.mDec !== 0 && ivSplit.length > 1) {
if (ivSplit[1].length > settings.mDec) {
ivSplit[1] = ivSplit[1].substring(0, settings.mDec);
} /** joins the whole number with the deciaml value */
iv = s + settings.aDec + ivSplit[1];
} else { /** if whole numbers only */
iv = s;
}
if (settings.aSign) {
var has_aNeg = iv.indexOf(settings.aNeg) !== -1;
iv = iv.replace(settings.aNeg, '');
iv = settings.pSign === 'p' ? settings.aSign + iv : iv + settings.aSign;
if (has_aNeg) {
iv = settings.aNeg + iv;
}
}
if (settings.oEvent === 'set' && testNeg < 0 && settings.nBracket !== null) { /** removes the negative sign and places brackets */
iv = negativeBracket(iv, settings.nBracket, settings.oEvent);
}
return iv;
}
/**
* round number after setting by pasting or $().autoNumericSet()
* private function for round the number
* please note this handled as text - JavaScript math function can return inaccurate values
* also this offers multiple rounding methods that are not easily accomplished in JavaScript
*/
function autoRound(iv, settings) { /** value to string */
iv = (iv === '') ? '0' : iv.toString();
convertKeyToNumber(settings, 'mDec'); /** set mDec to number needed when mDec set by 'update method */
if (settings.mRound === 'CHF') {
iv = (Math.round(iv * 20) / 20).toString();
}
var ivRounded = '',
i = 0,
nSign = '',
rDec = (typeof (settings.aPad) === 'boolean' || settings.aPad === null) ? (settings.aPad ? settings.mDec : 0) : +settings.aPad;
var truncateZeros = function (ivRounded) { /** truncate not needed zeros */
var regex = (rDec === 0) ? (/(\.(?:\d*[1-9])?)0*$/) : rDec === 1 ? (/(\.\d(?:\d*[1-9])?)0*$/) : new RegExp('(\\.\\d{' + rDec + '}(?:\\d*[1-9])?)0*$');
ivRounded = ivRounded.replace(regex, '$1'); /** If there are no decimal places, we don't need a decimal point at the end */
if (rDec === 0) {
ivRounded = ivRounded.replace(/\.$/, '');
}
return ivRounded;
};
if (iv.charAt(0) === '-') { /** Checks if the iv (input Value)is a negative value */
nSign = '-';
iv = iv.replace('-', ''); /** removes the negative sign will be added back later if required */
}
if (!iv.match(/^\d/)) { /** append a zero if first character is not a digit (then it is likely to be a dot)*/
iv = '0' + iv;
}
if (nSign === '-' && +iv === 0) { /** determines if the value is zero - if zero no negative sign */
nSign = '';
}
if ((+iv > 0 && settings.lZero !== 'keep') || (iv.length > 0 && settings.lZero === 'allow')) { /** trims leading zero's if needed */
iv = iv.replace(/^0*(\d)/, '$1');
}
var dPos = iv.lastIndexOf('.'), /** virtual decimal position */
vdPos = (dPos === -1) ? iv.length - 1 : dPos, /** checks decimal places to determine if rounding is required */
cDec = (iv.length - 1) - vdPos; /** check if no rounding is required */
if (cDec <= settings.mDec) {
ivRounded = iv; /** check if we need to pad with zeros */
if (cDec < rDec) {
if (dPos === -1) {
ivRounded += '.';
}
var zeros = '000000';
while (cDec < rDec) {
zeros = zeros.substring(0, rDec - cDec);
ivRounded += zeros;
cDec += zeros.length;
}
} else if (cDec > rDec) {
ivRounded = truncateZeros(ivRounded);
} else if (cDec === 0 && rDec === 0) {
ivRounded = ivRounded.replace(/\.$/, '');
}
if (settings.mRound !== 'CHF') {
return (+ivRounded === 0) ? ivRounded : nSign + ivRounded;
}
if (settings.mRound === 'CHF') {
dPos = ivRounded.lastIndexOf('.');
iv = ivRounded;
}
} /** rounded length of the string after rounding */
var rLength = dPos + settings.mDec,
tRound = +iv.charAt(rLength + 1),
ivArray = iv.substring(0, rLength + 1).split(''),
odd = (iv.charAt(rLength) === '.') ? (iv.charAt(rLength - 1) % 2) : (iv.charAt(rLength) % 2),
onePass = true;
odd = (odd === 0 && (iv.substring(rLength + 2, iv.length) > 0)) ? 1 : 0;
if ((tRound > 4 && settings.mRound === 'S') || /** Round half up symmetric */
(tRound > 4 && settings.mRound === 'A' && nSign === '') || /** Round half up asymmetric positive values */
(tRound > 5 && settings.mRound === 'A' && nSign === '-') || /** Round half up asymmetric negative values */
(tRound > 5 && settings.mRound === 's') || /** Round half down symmetric */
(tRound > 5 && settings.mRound === 'a' && nSign === '') || /** Round half down asymmetric positive values */
(tRound > 4 && settings.mRound === 'a' && nSign === '-') || /** Round half down asymmetric negative values */
(tRound > 5 && settings.mRound === 'B') || /** Round half even "Banker's Rounding" */
(tRound === 5 && settings.mRound === 'B' && odd === 1) || /** Round half even "Banker's Rounding" */
(tRound > 0 && settings.mRound === 'C' && nSign === '') || /** Round to ceiling toward positive infinite */
(tRound > 0 && settings.mRound === 'F' && nSign === '-') || /** Round to floor toward negative infinite */
(tRound > 0 && settings.mRound === 'U') ||
(settings.mRound === 'CHF')) { /** round up away from zero */
for (i = (ivArray.length - 1); i >= 0; i -= 1) { /** Round up the last digit if required, and continue until no more 9's are found */
if (ivArray[i] !== '.') {
if (settings.mRound === 'CHF' && ivArray[i] <= 2 && onePass) {
ivArray[i] = 0;
onePass = false;
break;
}
if (settings.mRound === 'CHF' && ivArray[i] <= 7 && onePass) {
ivArray[i] = 5;
onePass = false;
break;
}
if (settings.mRound === 'CHF' && onePass) {
ivArray[i] = 10;
onePass = false;
} else {
ivArray[i] = +ivArray[i] + 1;
}
if (ivArray[i] < 10) {
break;
}
if (i > 0) {
ivArray[i] = '0';
}
}
}
}
ivArray = ivArray.slice(0, rLength + 1); /** Reconstruct the string, converting any 10's to 0's */
ivRounded = truncateZeros(ivArray.join('')); /** return rounded value */
return (+ivRounded === 0) ? ivRounded : nSign + ivRounded;
}
/**
* Holder object for field properties
*/
function AutoNumericHolder(that, settings) {
this.settings = settings;
this.that = that;
this.$that = $(that);
this.formatted = false;
this.settingsClone = autoCode(this.$that, this.settings);
this.value = that.value;
}
AutoNumericHolder.prototype = {
init: function (e) {
this.value = this.that.value;
this.settingsClone = autoCode(this.$that, this.settings);
this.ctrlKey = e.ctrlKey;
this.cmdKey = e.metaKey;
this.shiftKey = e.shiftKey;
this.selection = getElementSelection(this.that); /** keypress event overwrites meaningful value of e.keyCode */
if (e.type === 'keydown' || e.type === 'keyup') {
this.kdCode = e.keyCode;
}
this.which = e.which;
this.processed = false;
this.formatted = false;
},
setSelection: function (start, end, setReal) {
start = Math.max(start, 0);
end = Math.min(end, this.that.value.length);
this.selection = {
start: start,
end: end,
length: end - start
};
if (setReal === undefined || setReal) {
setElementSelection(this.that, start, end);
}
},
setPosition: function (pos, setReal) {
this.setSelection(pos, pos, setReal);
},
getBeforeAfter: function () {
var value = this.value,
left = value.substring(0, this.selection.start),
right = value.substring(this.selection.end, value.length);
return [left, right];
},
getBeforeAfterStriped: function () {
var parts = this.getBeforeAfter();
parts[0] = autoStrip(parts[0], this.settingsClone);
parts[1] = autoStrip(parts[1], this.settingsClone);
return parts;
},
/**
* strip parts from excess characters and leading zeroes
*/
normalizeParts: function (left, right) {
var settingsClone = this.settingsClone;
right = autoStrip(right, settingsClone); /** if right is not empty and first character is not aDec, */
/** we could strip all zeros, otherwise only leading */
var strip = right.match(/^\d/) ? true : 'leading';
left = autoStrip(left, settingsClone, strip); /** prevents multiple leading zeros from being entered */
if ((left === '' || left === settingsClone.aNeg) && settingsClone.lZero === 'deny') {
if (right > '') {
right = right.replace(/^0*(\d)/, '$1');
}
}
var new_value = left + right; /** insert zero if has leading dot */
if (settingsClone.aDec) {
var m = new_value.match(new RegExp('^' + settingsClone.aNegRegAutoStrip + '\\' + settingsClone.aDec));
if (m) {
left = left.replace(m[1], m[1] + '0');
new_value = left + right;
}
} /** insert zero if number is empty and io.wEmpty == 'zero' */
if (settingsClone.wEmpty === 'zero' && (new_value === settingsClone.aNeg || new_value === '')) {
left += '0';
}
return [left, right];
},
/**
* set part of number to value keeping position of cursor
*/
setValueParts: function (left, right) {
var settingsClone = this.settingsClone,
parts = this.normalizeParts(left, right),
new_value = parts.join(''),
position = parts[0].length;
if (autoCheck(new_value, settingsClone)) {
new_value = truncateDecimal(new_value, settingsClone.aDec, settingsClone.mDec);
if (position > new_value.length) {
position = new_value.length;
}
this.value = new_value;
this.setPosition(position, false);
return true;
}
return false;
},
/**
* helper function for expandSelectionOnSign
* returns sign position of a formatted value
*/
signPosition: function () {
var settingsClone = this.settingsClone,
aSign = settingsClone.aSign,
that = this.that;
if (aSign) {
var aSignLen = aSign.length;
if (settingsClone.pSign === 'p') {
var hasNeg = settingsClone.aNeg && that.value && that.value.charAt(0) === settingsClone.aNeg;
return hasNeg ? [1, aSignLen + 1] : [0, aSignLen];
}
var valueLen = that.value.length;
return [valueLen - aSignLen, valueLen];
}
return [1000, -1];
},
/**
* expands selection to cover whole sign
* prevents partial deletion/copying/overwriting of a sign
*/
expandSelectionOnSign: function (setReal) {
var sign_position = this.signPosition(),
selection = this.selection;
if (selection.start < sign_position[1] && selection.end > sign_position[0]) { /** if selection catches something except sign and catches only space from sign */
if ((selection.start < sign_position[0] || selection.end > sign_position[1]) && this.value.substring(Math.max(selection.start, sign_position[0]), Math.min(selection.end, sign_position[1])).match(/^\s*$/)) { /** then select without empty space */
if (selection.start < sign_position[0]) {
this.setSelection(selection.start, sign_position[0], setReal);
} else {
this.setSelection(sign_position[1], selection.end, setReal);
}
} else { /** else select with whole sign */
this.setSelection(Math.min(selection.start, sign_position[0]), Math.max(selection.end, sign_position[1]), setReal);
}
}
},
/**
* try to strip pasted value to digits
*/
checkPaste: function () {
if (this.valuePartsBeforePaste !== undefined) {
var parts = this.getBeforeAfter(),
oldParts = this.valuePartsBeforePaste;
delete this.valuePartsBeforePaste; /** try to strip pasted value first */
parts[0] = parts[0].substr(0, oldParts[0].length) + autoStrip(parts[0].substr(oldParts[0].length), this.settingsClone);
if (!this.setValueParts(parts[0], parts[1])) {
this.value = oldParts.join('');
this.setPosition(oldParts[0].length, false);
}
}
},
/**
* process pasting, cursor moving and skipping of not interesting keys
* if returns true, futher processing is not performed
*/
skipAllways: function (e) {
var kdCode = this.kdCode,
which = this.which,
ctrlKey = this.ctrlKey,
cmdKey = this.cmdKey,
shiftKey = this.shiftKey; /** catch the ctrl up on ctrl-v */
if (((ctrlKey || cmdKey) && e.type === 'keyup' && this.valuePartsBeforePaste !== undefined) || (shiftKey && kdCode === 45)) {
this.checkPaste();
return false;
}
/** codes are taken from http://www.cambiaresearch.com/c4/702b8cd1-e5b0-42e6-83ac-25f0306e3e25/Javascript-Char-Codes-Key-Codes.aspx
* skip Fx keys, windows keys, other special keys
*/
if ((kdCode >= 112 && kdCode <= 123) || (kdCode >= 91 && kdCode <= 93) || (kdCode >= 9 && kdCode <= 31) || (kdCode < 8 && (which === 0 || which === kdCode)) || kdCode === 144 || kdCode === 145 || kdCode === 45) {
return true;
}
if ((ctrlKey || cmdKey) && kdCode === 65) { /** if select all (a=65)*/
return true;
}
if ((ctrlKey || cmdKey) && (kdCode === 67 || kdCode === 86 || kdCode === 88)) { /** if copy (c=67) paste (v=86) or cut (x=88) */
if (e.type === 'keydown') {
this.expandSelectionOnSign();
}
if (kdCode === 86 || kdCode === 45) { /** try to prevent wrong paste */
if (e.type === 'keydown' || e.type === 'keypress') {
if (this.valuePartsBeforePaste === undefined) {
this.valuePartsBeforePaste = this.getBeforeAfter();
}
} else {
this.checkPaste();
}
}
return e.type === 'keydown' || e.type === 'keypress' || kdCode === 67;
}
if (ctrlKey || cmdKey) {
return true;
}
if (kdCode === 37 || kdCode === 39) { /** jump over thousand separator */
var aSep = this.settingsClone.aSep,
start = this.selection.start,
value = this.that.value;
if (e.type === 'keydown' && aSep && !this.shiftKey) {
if (kdCode === 37 && value.charAt(start - 2) === aSep) {
this.setPosition(start - 1);
} else if (kdCode === 39 && value.charAt(start + 1) === aSep) {
this.setPosition(start + 1);
}
}
return true;
}
if (kdCode >= 34 && kdCode <= 40) {
return true;
}
return false;
},
/**
* process deletion of characters
* returns true if processing performed
*/
processAllways: function () {
var parts; /** process backspace or delete */
if (this.kdCode === 8 || this.kdCode === 46) {
if (!this.selection.length) {
parts = this.getBeforeAfterStriped();
if (this.kdCode === 8) {
parts[0] = parts[0].substring(0, parts[0].length - 1);
} else {
parts[1] = parts[1].substring(1, parts[1].length);
}
this.setValueParts(parts[0], parts[1]);
} else {
this.expandSelectionOnSign(false);
parts = this.getBeforeAfterStriped();
this.setValueParts(parts[0], parts[1]);
}
return true;
}
return false;
},
/**
* process insertion of characters
* returns true if processing performed
*/
processKeypress: function () {
var settingsClone = this.settingsClone,
cCode = String.fromCharCode(this.which),
parts = this.getBeforeAfterStriped(),
left = parts[0],
right = parts[1]; /** start rules when the decimal character key is pressed */
/** always use numeric pad dot to insert decimal separator */
if (cCode === settingsClone.aDec || (settingsClone.altDec && cCode === settingsClone.altDec) || ((cCode === '.' || cCode === ',') && this.kdCode === 110)) { /** do not allow decimal character if no decimal part allowed */
if (!settingsClone.mDec || !settingsClone.aDec) {
return true;
} /** do not allow decimal character before aNeg character */
if (settingsClone.aNeg && right.indexOf(settingsClone.aNeg) > -1) {
return true;
} /** do not allow decimal character if other decimal character present */
if (left.indexOf(settingsClone.aDec) > -1) {
return true;
}
if (right.indexOf(settingsClone.aDec) > 0) {
return true;
}
if (right.indexOf(settingsClone.aDec) === 0) {
right = right.substr(1);
}
this.setValueParts(left + settingsClone.aDec, right);
return true;
} /** start rule on negative sign */
if (cCode === '-' || cCode === '+') { /** prevent minus if not allowed */
if (!settingsClone.aNeg) {
return true;
} /** caret is always after minus */
if (left === '' && right.indexOf(settingsClone.aNeg) > -1) {
left = settingsClone.aNeg;
right = right.substring(1, right.length);
} /** change sign of number, remove part if should */
if (left.charAt(0) === settingsClone.aNeg) {
left = left.substring(1, left.length);
} else {
left = (cCode === '-') ? settingsClone.aNeg + left : left;
}
this.setValueParts(left, right);
return true;
} /** digits */
if (cCode >= '0' && cCode <= '9') { /** if try to insert digit before minus */
if (settingsClone.aNeg && left === '' && right.indexOf(settingsClone.aNeg) > -1) {
left = settingsClone.aNeg;
right = right.substring(1, right.length);
}
if (settingsClone.vMax <= 0 && settingsClone.vMin < settingsClone.vMax && this.value.indexOf(settingsClone.aNeg) === -1 && cCode !== '0') {
left = settingsClone.aNeg + left;
}
this.setValueParts(left + cCode, right);
return true;
} /** prevent any other character */
return true;
},
/**
* formatting of just processed value with keeping of cursor position
*/
formatQuick: function () {
var settingsClone = this.settingsClone,
parts = this.getBeforeAfterStriped(),
leftLength = this.value;
if ((settingsClone.aSep === '' || (settingsClone.aSep !== '' && leftLength.indexOf(settingsClone.aSep) === -1)) && (settingsClone.aSign === '' || (settingsClone.aSign !== '' && leftLength.indexOf(settingsClone.aSign) === -1))) {
var subParts = [],
nSign = '';
subParts = leftLength.split(settingsClone.aDec);
if (subParts[0].indexOf('-') > -1) {
nSign = '-';
subParts[0] = subParts[0].replace('-', '');
parts[0] = parts[0].replace('-', '');
}
if (subParts[0].length > settingsClone.mInt && parts[0].charAt(0) === '0') { /** strip leading zero if need */
parts[0] = parts[0].slice(1);
}
parts[0] = nSign + parts[0];
}
var value = autoGroup(this.value, this.settingsClone),
position = value.length;
if (value) {
/** prepare regexp which searches for cursor position from unformatted left part */
var left_ar = parts[0].split(''),
i = 0;
for (i; i < left_ar.length; i += 1) { /** thanks Peter Kovari */
if (!left_ar[i].match('\\d')) {
left_ar[i] = '\\' + left_ar[i];
}
}
var leftReg = new RegExp('^.*?' + left_ar.join('.*?'));
/** search cursor position in formatted value */
var newLeft = value.match(leftReg);
if (newLeft) {
position = newLeft[0].length;
/** if we are just before sign which is in prefix position */
if (((position === 0 && value.charAt(0) !== settingsClone.aNeg) || (position === 1 && value.charAt(0) === settingsClone.aNeg)) && settingsClone.aSign && settingsClone.pSign === 'p') {
/** place carret after prefix sign */
position = this.settingsClone.aSign.length + (value.charAt(0) === '-' ? 1 : 0);
}
} else if (settingsClone.aSign && settingsClone.pSign === 's') {
/** if we could not find a place for cursor and have a sign as a suffix */
/** place carret before suffix currency sign */
position -= settingsClone.aSign.length;
}
}
this.that.value = value;
this.setPosition(position);
this.formatted = true;
}
};
/** thanks to Anthony & Evan C */
function autoGet(obj) {
if (typeof obj === 'string') {
obj = obj.replace(/\[/g, "\\[").replace(/\]/g, "\\]");
obj = '#' + obj.replace(/(:|\.)/g, '\\$1');
/** obj = '#' + obj.replace(/([;&,\.\+\*\~':"\!\^#$%@\[\]\(\)=>\|])/g, '\\$1'); */
/** possible modification to replace the above 2 lines */
}
return $(obj);
}
function getHolder($that, settings, update) {
var data = $that.data('autoNumeric');
if (!data) {
data = {};
$that.data('autoNumeric', data);
}
var holder = data.holder;
if ((holder === undefined && settings) || update) {
holder = new AutoNumericHolder($that.get(0), settings);
data.holder = holder;
}
return holder;
}
var methods = {
init: function (options) {
return this.each(function () {
var $this = $(this),
settings = $this.data('autoNumeric'), /** attempt to grab 'autoNumeric' settings, if they don't exist returns "undefined". */
tagData = $this.data(); /** attempt to grab HTML5 data, if they don't exist we'll get "undefined".*/
if (typeof settings !== 'object') { /** If we couldn't grab settings, create them from defaults and passed options. */
var defaults = {
/** allowed numeric values
* please do not modify
*/
aNum: '0123456789',
/** allowed thousand separator characters
* comma = ','
* period "full stop" = '.'
* apostrophe is escaped = '\''
* space = ' '
* none = ''
* NOTE: do not use numeric characters
*/
aSep: ',',
/** digital grouping for the thousand separator used in Format
* dGroup: '2', results in 99,99,99,999 common in India for values less than 1 billion and greater than -1 billion
* dGroup: '3', results in 999,999,999 default
* dGroup: '4', results in 9999,9999,9999 used in some Asian countries
*/
dGroup: '3',
/** allowed decimal separator characters
* period "full stop" = '.'
* comma = ','
*/
aDec: '.',
/** allow to declare alternative decimal separator which is automatically replaced by aDec
* developed for countries the use a comma ',' as the decimal character
* and have keyboards\numeric pads that have a period 'full stop' as the decimal characters (Spain is an example)
*/
altDec: null,
/** allowed currency symbol
* Must be in quotes aSign: '$', a space is allowed aSign: '$ '
*/
aSign: '',
/** placement of currency sign
* for prefix pSign: 'p',
* for suffix pSign: 's',
*/
pSign: 'p',
/** maximum possible value
* value must be enclosed in quotes and use the period for the decimal point
* value must be larger than vMin
*/
vMax: '9999999999999.99',
/** minimum possible value
* value must be enclosed in quotes and use the period for the decimal point
* value must be smaller than vMax
*/
vMin: '0.00',
/** max number of decimal places = used to override decimal places set by the vMin & vMax values
* value must be enclosed in quotes example mDec: '3',
* This can also set the value via a call back function mDec: 'css:#
*/
mDec: null,
/** method used for rounding
* mRound: 'S', Round-Half-Up Symmetric (default)
* mRound: 'A', Round-Half-Up Asymmetric
* mRound: 's', Round-Half-Down Symmetric (lower case s)
* mRound: 'a', Round-Half-Down Asymmetric (lower case a)
* mRound: 'B', Round-Half-Even "Bankers Rounding"
* mRound: 'U', Round Up "Round-Away-From-Zero"
* mRound: 'D', Round Down "Round-Toward-Zero" - same as truncate
* mRound: 'C', Round to Ceiling "Toward Positive Infinity"
* mRound: 'F', Round to Floor "Toward Negative Infinity"
*/
mRound: 'S',
/** controls decimal padding
* aPad: true - always Pad decimals with zeros
* aPad: false - does not pad with zeros.
* aPad: `some number` - pad decimals with zero to number different from mDec
* thanks to Jonas Johansson for the suggestion
*/
aPad: true,
/** places brackets on negative value -$ 999.99 to (999.99)
* visible only when the field does NOT have focus the left and right symbols should be enclosed in quotes and seperated by a comma
* nBracket: null, nBracket: '(,)', nBracket: '[,]', nBracket: '<,>' or nBracket: '{,}'
*/
nBracket: null,
/** Displayed on empty string
* wEmpty: 'empty', - input can be blank
* wEmpty: 'zero', - displays zero
* wEmpty: 'sign', - displays the currency sign
*/
wEmpty: 'empty',
/** controls leading zero behavior
* lZero: 'allow', - allows leading zeros to be entered. Zeros will be truncated when entering additional digits. On focusout zeros will be deleted.
* lZero: 'deny', - allows only one leading zero on values less than one
* lZero: 'keep', - allows leading zeros to be entered. on fousout zeros will be retained.
*/
lZero: 'allow',
/** determine if the default value will be formatted on page ready.
* true = automatically formats the default value on page ready
* false = will not format the default value
*/
aForm: true,
/** future use */
onSomeEvent: function () {}
};
settings = $.extend({}, defaults, tagData, options); /** Merge defaults, tagData and options */
if (settings.aDec === settings.aSep) {
$.error("autoNumeric will not function properly when the decimal character aDec: '" + settings.aDec + "' and thousand separator aSep: '" + settings.aSep + "' are the same character");
return this;
}
$this.data('autoNumeric', settings); /** Save our new settings */
} else {
return this;
}
settings.runOnce = false;
var holder = getHolder($this, settings);
if ($.inArray($this.prop('tagName'), settings.tagList) === -1 && $this.prop('tagName') !== 'INPUT') {
$.error("The <" + $this.prop('tagName') + "> is not supported by autoNumeric()");
return this;
}
if (settings.runOnce === false && settings.aForm) {/** routine to format default value on page load */
if ($this.is('input[type=text], input[type=hidden], input[type=tel], input:not([type])')) {
var setValue = true;
if ($this[0].value === '' && settings.wEmpty === 'empty') {
$this[0].value = '';
setValue = false;
}
if ($this[0].value === '' && settings.wEmpty === 'sign') {
$this[0].value = settings.aSign;
setValue = false;
}
if (setValue) {
$this.autoNumeric('set', $this.val());
}
}
if ($.inArray($this.prop('tagName'), settings.tagList) !== -1 && $this.text() !== '') {
$this.autoNumeric('set', $this.text());
}
}
settings.runOnce = true;
if ($this.is('input[type=text], input[type=hidden], input[type=tel], input:not([type])')) { /**added hidden type */
$this.on('keydown.autoNumeric', function (e) {
holder = getHolder($this);
if (holder.settings.aDec === holder.settings.aSep) {
$.error("autoNumeric will not function properly when the decimal character aDec: '" + holder.settings.aDec + "' and thousand separator aSep: '" + holder.settings.aSep + "' are the same character");
return this;
}
if (holder.that.readOnly) {
holder.processed = true;
return true;
}
/** The below streamed code / comment allows the "enter" keydown to throw a change() event */
/** if (e.keyCode === 13 && holder.inVal !== $this.val()){
$this.change();
holder.inVal = $this.val();
}*/
holder.init(e);
holder.settings.oEvent = 'keydown';
if (holder.skipAllways(e)) {