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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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* Initializes and handles events fow 'showmore' components.
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*
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* @module core/showmore
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* @copyright 2023 Mikel Martín <mikel@moodle.com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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const Selectors = {
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actions: {
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toggleContent: '[data-action="toggle-content"]'
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},
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regions: {
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main: '[data-region="showmore"]'
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}
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};
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let initialized = false;
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/**
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* Initialise module
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*
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* @method
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*/
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export const init = () => {
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if (initialized) {
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// We already added the event listeners (can be called multiple times by mustache template).
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return;
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}
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// Listen for click events.
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document.addEventListener('click', (event) => {
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const toggleContent = event.target.closest(Selectors.actions.toggleContent);
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if (toggleContent) {
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const region = toggleContent.closest(Selectors.regions.main);
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region.classList.toggle('collapsed');
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const toggleButton = region.querySelector(Selectors.actions.toggleContent);
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toggleButton.setAttribute('aria-expanded', !region.classList.contains('collapsed'));
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}
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});
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initialized = true;
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};
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