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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* The category root component.
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*
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* @module qbank_managecategories/categoryroot
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* @class qbank_managecategories/categoryroot
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*/
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import {BaseComponent} from 'core/reactive';
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import {categorymanager} from 'qbank_managecategories/categorymanager';
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export default class extends BaseComponent {
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create(descriptor) {
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this.name = descriptor.element.id;
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this.classes = {
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SHOWDESCRIPTIONS: 'showdescriptions',
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};
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}
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/**
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* Static method to create a component instance.
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*
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* @param {string} target the DOM main element or its ID
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* @param {object} selectors optional css selector overrides
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* @return {Component}
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*/
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static init(target, selectors) {
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return new this({
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element: document.querySelector(target),
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selectors,
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reactive: categorymanager,
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});
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}
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/**
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* Watch for changes to the page state.
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*
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* @return {Array} A list of watchers.
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*/
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getWatchers() {
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return [
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// Watch for descriptions being toggled.
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{watch: `page.showdescriptions:updated`, handler: this.toggleDescriptions}
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];
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}
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/**
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* Show or hide descriptions when the flag in the state is changed.
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*
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* @param {Object} args
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* @param {Object} args.element The updated page state.
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*/
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toggleDescriptions({element}) {
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if (element.showdescriptions) {
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this.getElement().classList.add(this.classes.SHOWDESCRIPTIONS);
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} else {
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this.getElement().classList.remove(this.classes.SHOWDESCRIPTIONS);
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}
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}
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}
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