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✨ NEW: sync tabs by URL query parameters (#196)
Synchronised tabs can now be selected by adding a query parameter to the URL, for that sync-group, such as `?code=python` for
```restructuredtext
.. tab-set-code::
.. literalinclude:: snippet.py
:language: python
.. literalinclude:: snippet.js
:language: javascript
```
The last selected tab key, per group, is also persisted to `SessionStroage`
Co-authored-by: Mike McKiernan <[email protected]>- Loading branch information
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,27 +1,101 @@ | ||
| var sd_labels_by_text = {}; | ||
| // @ts-check | ||
|
|
||
| // Extra JS capability for selected tabs to be synced | ||
| // The selection is stored in local storage so that it persists across page loads. | ||
|
|
||
| /** | ||
| * @type {Record<string, HTMLElement[]>} | ||
| */ | ||
| let sd_id_to_elements = {}; | ||
| const storageKeyPrefix = "sphinx-design-tab-id-"; | ||
|
|
||
| /** | ||
| * Create a key for a tab element. | ||
| * @param {HTMLElement} el - The tab element. | ||
| * @returns {[string, string, string] | null} - The key. | ||
| * | ||
| */ | ||
| function create_key(el) { | ||
| let syncId = el.getAttribute("data-sync-id"); | ||
| let syncGroup = el.getAttribute("data-sync-group"); | ||
| if (!syncId || !syncGroup) return null; | ||
| return [syncGroup, syncId, syncGroup + "--" + syncId]; | ||
| } | ||
|
|
||
| /** | ||
| * Initialize the tab selection. | ||
| * | ||
| */ | ||
| function ready() { | ||
| const li = document.getElementsByClassName("sd-tab-label"); | ||
| for (const label of li) { | ||
| syncId = label.getAttribute("data-sync-id"); | ||
| if (syncId) { | ||
| label.onclick = onSDLabelClick; | ||
| if (!sd_labels_by_text[syncId]) { | ||
| sd_labels_by_text[syncId] = []; | ||
| // Find all tabs with sync data | ||
|
|
||
| /** @type {string[]} */ | ||
| let groups = []; | ||
|
|
||
| document.querySelectorAll(".sd-tab-label").forEach((label) => { | ||
| if (label instanceof HTMLElement) { | ||
| let data = create_key(label); | ||
| if (data) { | ||
| let [group, id, key] = data; | ||
|
|
||
| // add click event listener | ||
| // @ts-ignore | ||
| label.onclick = onSDLabelClick; | ||
|
|
||
| // store map of key to elements | ||
| if (!sd_id_to_elements[key]) { | ||
| sd_id_to_elements[key] = []; | ||
| } | ||
| sd_id_to_elements[key].push(label); | ||
|
|
||
| if (groups.indexOf(group) === -1) { | ||
| groups.push(group); | ||
| // Check if a specific tab has been selected via URL parameter | ||
| const tabParam = new URLSearchParams(window.location.search).get( | ||
| group | ||
| ); | ||
| if (tabParam) { | ||
| console.log( | ||
| "sphinx-design: Selecting tab id for group '" + | ||
| group + | ||
| "' from URL parameter: " + | ||
| tabParam | ||
| ); | ||
| window.sessionStorage.setItem(storageKeyPrefix + group, tabParam); | ||
| } | ||
| } | ||
|
|
||
| // Check is a specific tab has been selected previously | ||
| let previousId = window.sessionStorage.getItem( | ||
| storageKeyPrefix + group | ||
| ); | ||
| if (previousId === id) { | ||
| // console.log( | ||
| // "sphinx-design: Selecting tab from session storage: " + id | ||
| // ); | ||
| // @ts-ignore | ||
| label.previousElementSibling.checked = true; | ||
| } | ||
| } | ||
| sd_labels_by_text[syncId].push(label); | ||
| } | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| /** | ||
| * Activate other tabs with the same sync id. | ||
| * | ||
| * @this {HTMLElement} - The element that was clicked. | ||
| */ | ||
| function onSDLabelClick() { | ||
| // Activate other inputs with the same sync id. | ||
| syncId = this.getAttribute("data-sync-id"); | ||
| for (label of sd_labels_by_text[syncId]) { | ||
| let data = create_key(this); | ||
| if (!data) return; | ||
| let [group, id, key] = data; | ||
| for (const label of sd_id_to_elements[key]) { | ||
| if (label === this) continue; | ||
| // @ts-ignore | ||
| label.previousElementSibling.checked = true; | ||
| } | ||
| window.localStorage.setItem("sphinx-design-last-tab", syncId); | ||
| window.sessionStorage.setItem(storageKeyPrefix + group, id); | ||
| } | ||
|
|
||
| document.addEventListener("DOMContentLoaded", ready, false); |
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