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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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* Select course categories for LTI tool.
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*
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* @module mod_lti/coursecategory
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* @copyright 2023 Jackson D'souza <jackson.dsouza@catalyst-eu.net>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @since 4.3
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*/
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define([], function() {
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document.addEventListener('click', event => {
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const checkedbox = event.target.closest(".lticoursecategories");
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if (checkedbox) {
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// Get checkbox status.
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const checkboxstatus = checkedbox.checked;
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// Check / Uncheck all child category checkboxes based on selected checkbox status.
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const categorycontainer = document.querySelector('#collapse' + checkedbox.value);
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if (categorycontainer) {
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const categorycontainercheckbox = categorycontainer.querySelectorAll('input[type="checkbox"]');
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for (let i = 0; i < categorycontainercheckbox.length; i++) {
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categorycontainercheckbox[i].checked = checkboxstatus;
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}
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}
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const lticategorytree = document.querySelector('.modltitree');
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const ltitreecheckbox = lticategorytree.querySelectorAll('input[type="checkbox"]');
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let listvalue = '';
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for (let i = 0; i < ltitreecheckbox.length; i++) {
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if (ltitreecheckbox[i].checked) {
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if (listvalue.length == 0) {
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listvalue = ltitreecheckbox[i].value;
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} else {
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listvalue = listvalue + ',' + ltitreecheckbox[i].value;
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}
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}
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}
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document.querySelector('input[name="lti_coursecategories"]').value = listvalue;
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}
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});
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/**
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* Get parent elements with class = accordion.
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*
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* @method getParents
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* @private
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* @param {string} elem DOM element.
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* @return {array} Parent elements.
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*/
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function getParents(elem) {
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// Set up a parent array
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const parents = [];
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// Push each parent element to the array
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for (; elem && elem !== document; elem = elem.parentNode) {
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if (elem.classList.contains('accordion-group')) {
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parents.push(elem);
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}
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}
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// Return our parent array
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return parents;
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}
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return /** @alias module:mod_lti/coursecategory */ {
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/**
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* Initialise this module.
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* Loop through checkbox form elements starting with #cat-{N} and set it to checked
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* if {N} is found in the Selected category(s) list. Show / Hide the parent UL element.
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*
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* @param {string} selectedcategories Selected category(s).
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*/
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init: function(selectedcategories) {
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if (selectedcategories.length) {
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const separator = ",";
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const values = selectedcategories.split(separator);
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for (let i = 0; i < values.length; i++) {
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const categoryid = document.getElementById("cat-" + values[i]);
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if (categoryid.value !== 0) {
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categoryid.checked = true;
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}
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const parents = getParents(categoryid);
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parents.forEach(function(element) {
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const elem = element.querySelector('a.accordion-toggle');
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const elembody = element.querySelector('.accordion-body');
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if (elem && elem.classList.contains('collapsed')) {
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elem.classList.remove('collapsed');
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}
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if (elembody) {
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elembody.classList.remove('collapse');
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elembody.classList.add('show');
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}
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});
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}
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}
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}
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};
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});
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