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components/ILIAS/UI/resources/js/Dropdown/dist/dropdown.js
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| /** | ||
| * This file is part of ILIAS, a powerful learning management system | ||
| * published by ILIAS open source e-Learning e.V. | ||
| * | ||
| * ILIAS is licensed with the GPL-3.0, | ||
| * see https://www.gnu.org/licenses/gpl-3.0.en.html | ||
| * You should have received a copy of said license along with the | ||
| * source code, too. | ||
| * | ||
| * If this is not the case or you just want to try ILIAS, you'll find | ||
| * us at: | ||
| * https://www.ilias.de | ||
| * https://github.com/ILIAS-eLearning | ||
| */ | ||
| !function(t,e){"use strict";function i(t){return t&&"object"==typeof t&&"default"in t?t:{default:t}}var n=i(t),s=i(e);class o{#t;#e;#i;#n;constructor(t,e){this.#t=t,this.#e=e;const i=this.#e.querySelectorAll(":scope > button");if(1!==i.length)throw new Error("Dropdown: Expected exactly one button in dropdown element.",this.#e);[this.#i]=i;const n=this.#e.querySelectorAll(":scope > ul");if(1!==n.length)throw new Error("Dropdown: Expected exactly one ul in dropdown element.",this.#e);[this.#n]=n,this.#i.addEventListener("keydown",(t=>{13===t.which&&this.toggleVisibility()})),this.#i.addEventListener("click",this.#s)}#o=t=>{27===t.which&&this.hide()};#s=t=>{t.stopPropagation(),this.show()};#h=()=>{this.hide()};toggleVisibility(){"block"===this.#n.style.display?this.hide():this.show()}show(){this.#n.style.display="block",this.#i.setAttribute("aria-expanded","true"),this.#t.addEventListener("keydown",this.#o),this.#t.addEventListener("click",this.#h),this.#i.removeEventListener("click",this.#s)}hide(){this.#n.style.display="none",this.#i.setAttribute("aria-expanded","false"),this.#t.removeEventListener("keydown",this.#o),this.#t.removeEventListener("click",this.#h),this.#i.addEventListener("click",this.#s)}}n.default.UI=n.default.UI||{},n.default.UI.dropdown=function(t){return new o(s.default,t)}}(il,document); |
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27
components/ILIAS/UI/resources/js/Dropdown/rollup.config.js
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| import terser from '@rollup/plugin-terser'; | ||
| import copyright from '../../../../../../scripts/Copyright-Checker/copyright'; | ||
| import preserveCopyright from '../../../../../../scripts/Copyright-Checker/preserveCopyright'; | ||
|
|
||
| export default { | ||
| external: [ | ||
| 'document', | ||
| 'ilias', | ||
| ], | ||
| input: './src/dropdown.js', | ||
| output: { | ||
| file: './dist/dropdown.js', | ||
| format: 'iife', | ||
| banner: copyright, | ||
| globals: { | ||
| document: 'document', | ||
| ilias: 'il', | ||
| }, | ||
| plugins: [ | ||
| terser({ | ||
| format: { | ||
| comments: preserveCopyright, | ||
| }, | ||
| }), | ||
| ], | ||
| }, | ||
| }; |
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components/ILIAS/UI/resources/js/Dropdown/src/dropdown.class.js
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,105 @@ | ||
| /** | ||
| * This file is part of ILIAS, a powerful learning management system | ||
| * published by ILIAS open source e-Learning e.V. | ||
| * | ||
| * ILIAS is licensed with the GPL-3.0, | ||
| * see https://www.gnu.org/licenses/gpl-3.0.en.html | ||
| * You should have received a copy of said license along with the | ||
| * source code, too. | ||
| * | ||
| * If this is not the case or you just want to try ILIAS, you'll find | ||
| * us at: | ||
| * https://www.ilias.de | ||
| * https://github.com/ILIAS-eLearning | ||
| */ | ||
|
|
||
| export default class Dropdown { | ||
| /** | ||
| * @type {DOMDocument} | ||
| */ | ||
| #document; | ||
|
|
||
| /** | ||
| * @type {HTMLElement} | ||
| */ | ||
| #element; | ||
|
|
||
| /** | ||
| * @type {HTMLElement} | ||
| */ | ||
| #button; | ||
|
|
||
| /** | ||
| * @type {HTMLElement} | ||
| */ | ||
| #list; | ||
|
|
||
| /** | ||
| * @param {DOMDocument} document | ||
| * @param {HTMLElement} element | ||
| */ | ||
| constructor(document, element) { | ||
| this.#document = document; | ||
| this.#element = element; | ||
|
|
||
| const buttons = this.#element.querySelectorAll(':scope > button'); | ||
| if (buttons.length !== 1) { | ||
| throw new Error('Dropdown: Expected exactly one button in dropdown element.', this.#element); | ||
| } | ||
| [this.#button] = buttons; | ||
|
|
||
| const lists = this.#element.querySelectorAll(':scope > ul'); | ||
| if (lists.length !== 1) { | ||
| throw new Error('Dropdown: Expected exactly one ul in dropdown element.', this.#element); | ||
| } | ||
| [this.#list] = lists; | ||
|
|
||
| this.#button.addEventListener('keydown', (event) => { | ||
| if (event.which === 13) { // Enter | ||
| this.toggleVisibility(); | ||
| } | ||
| }); | ||
|
|
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| this.#button.addEventListener('click', this.#showOnClick); | ||
| } | ||
|
|
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| #hideOnEscape = (event) => { | ||
| if (event.which === 27) { // ESCAPE | ||
| this.hide(); | ||
| } | ||
| }; | ||
|
|
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| #showOnClick = (event) => { | ||
| event.stopPropagation(); | ||
| this.show(); | ||
| }; | ||
|
|
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| #hideOnClick = () => { | ||
| this.hide(); | ||
| }; | ||
|
|
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| toggleVisibility() { | ||
| const visible = this.#list.style.display === 'block'; | ||
| if (visible) { | ||
| this.hide(); | ||
| } else { | ||
| this.show(); | ||
| } | ||
| } | ||
|
|
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| show() { | ||
| this.#list.style.display = 'block'; | ||
| this.#button.setAttribute('aria-expanded', 'true'); | ||
| this.#document.addEventListener('keydown', this.#hideOnEscape); | ||
| this.#document.addEventListener('click', this.#hideOnClick); | ||
| this.#button.removeEventListener('click', this.#showOnClick); | ||
| } | ||
|
|
||
| hide() { | ||
| this.#list.style.display = 'none'; | ||
| this.#button.setAttribute('aria-expanded', 'false'); | ||
| this.#document.removeEventListener('keydown', this.#hideOnEscape); | ||
| this.#document.removeEventListener('click', this.#hideOnClick); | ||
| this.#button.addEventListener('click', this.#showOnClick); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| /** | ||
| * This file is part of ILIAS, a powerful learning management system | ||
| * published by ILIAS open source e-Learning e.V. | ||
| * | ||
| * ILIAS is licensed with the GPL-3.0, | ||
| * see https://www.gnu.org/licenses/gpl-3.0.en.html | ||
| * You should have received a copy of said license along with the | ||
| * source code, too. | ||
| * | ||
| * If this is not the case or you just want to try ILIAS, you'll find | ||
| * us at: | ||
| * https://www.ilias.de | ||
| * https://github.com/ILIAS-eLearning | ||
| */ | ||
|
|
||
| import il from 'ilias'; | ||
| import document from 'document'; | ||
| import Dropdown from './dropdown.class'; | ||
|
|
||
| il.UI = il.UI || {}; | ||
| il.UI.dropdown = function (htmlElement) { | ||
| return new Dropdown(document, htmlElement); | ||
| }; |
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2 changes: 1 addition & 1 deletion
2
components/ILIAS/UI/src/templates/default/Dropdown/tpl.standard.html
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