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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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* Expand the collapse section element.
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*
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* @module core_admin/expand_hash
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* @copyright Meirza <meirza.arson@moodle.com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @since 4.5
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*/
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const SELECTORS = {
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COLLAPSE_ELEMENTS: '[data-bs-toggle="collapse"]',
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FOCUSTHENEXPAND_ELEMENTS: '.focus-expand',
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};
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/**
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* Initializes the focus and expand functionality.
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*/
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export const init = () => {
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// Select all collapsible elements only.
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const focusexpand = document.querySelector(SELECTORS.FOCUSTHENEXPAND_ELEMENTS);
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// Add click event listener to the anchor element
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focusexpand?.addEventListener('click', () => {
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expandSection(`${focusexpand.getAttribute('href')}`);
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});
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};
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/**
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* Expands a section based on the provided URL hash.
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*
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* This function takes a hash string, finds the corresponding element in the DOM,
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* and expands it if it is currently collapsed. It updates the necessary ARIA
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* attributes and classes to reflect the expanded state.
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*
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* @param {string} hash - The hash (e.g., '#elementId') of the element to expand.
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*/
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export const expandSection = (hash) => {
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const container = document.querySelector(hash);
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const targetContainer = container?.querySelector(SELECTORS.COLLAPSE_ELEMENTS);
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if (targetContainer?.getAttribute('aria-expanded') === 'false') {
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const collapseId = targetContainer.getAttribute('aria-controls');
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const collapseContainer = document.getElementById(collapseId);
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// Show the content.
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collapseContainer.classList.remove('collapse');
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collapseContainer.classList.add('show');
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// Update aria-expanded attribute to reflect the new state.
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targetContainer.setAttribute('aria-expanded', 'true');
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targetContainer.classList.remove('collapsed');
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// Get collapse expand menu element.
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const collapseElement = document.querySelector('.collapseexpand.collapsemenu');
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// Ensure it gets noticed to make it work.
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collapseElement.setAttribute('aria-expanded', 'true');
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collapseElement.classList.remove('collapsed');
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}
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};
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