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// This file is part of Moodle - http://moodle.org/ // // Moodle is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Moodle is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Moodle. If not, see <http://www.gnu.org/licenses/>. /** * Contain the logic for the question bank modal. * * @module mod_quiz/modal_quiz_question_bank * @copyright 2018 Ryan Wyllie <ryan@moodle.com> * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later / import $ from 'jquery'; import Modal from './add_question_modal'; import as Fragment from 'core/fragment'; import * as FormChangeChecker from 'core_form/changechecker'; import * as ModalEvents from 'core/modal_events'; const SELECTORS = { ADD_TO_QUIZ_CONTAINER: 'td.addtoquizaction', ANCHOR: 'a[href]', PREVIEW_CONTAINER: 'td.previewaction', ADD_QUESTIONS_FORM: 'form#questionsubmit', SORTERS: '.sorters', }; export default class ModalQuizQuestionBank extends Modal { static TYPE = 'mod_quiz-quiz-question-bank'; /** * Create the question bank modal. * * @param {Number} contextId Current context id. / static init(contextId) { const selector = '.menu [data-action="questionbank"]'; document.addEventListener('click', (e) => { const trigger = e.target.closest(selector); if (!trigger) { return; } e.preventDefault(); ModalQuizQuestionBank.create({ contextId, title: trigger.dataset.header, addOnPage: trigger.dataset.addonpage, templateContext: { hidden: true, }, large: true, }); }); } /* * Override the parent show function. * * Reload the body contents when the modal is shown. The current * window URL is used to inform the new content that should be * displayed. * * @method show * @return {void} / show() { this.reloadBodyContent(window.location.search); return super.show(this); } /* * Replaces the current body contents with a new version of the question * bank. * * The contents of the question bank are generated using the provided * query string. * * @method reloadBodyContent * @param {string} querystring URL encoded string. / reloadBodyContent(querystring) { // Load the question bank fragment to be displayed in the modal. this.setBody(Fragment.loadFragment( 'mod_quiz', 'quiz_question_bank', this.getContextId(), { querystring, } )); } /* * Update the URL of the anchor element that the user clicked on to make * sure that the question is added to the correct page. * * @method handleAddToQuizEvent * @param {event} e A JavaScript event * @param {object} anchorElement The anchor element that was triggered / handleAddToQuizEvent(e, anchorElement) { // If the user clicks the plus icon to add the question to the page // directly then we need to intercept the click in order to adjust the // href and include the correct add on page id before the page is // redirected. const href = new URL(anchorElement.attr('href')); href.searchParams.set('addonpage', this.getAddOnPageId()); anchorElement.attr('href', href); } /* * Open a popup window to show the preview of the question. * * @method handlePreviewContainerEvent * @param {event} e A JavaScript event * @param {object} anchorElement The anchor element that was triggered / handlePreviewContainerEvent(e, anchorElement) { const popupOptions = [ 'height=600', 'width=800', 'top=0', 'left=0', 'menubar=0', 'location=0', 'scrollbars', 'resizable', 'toolbar', 'status', 'directories=0', 'fullscreen=0', 'dependent', ]; window.openpopup(e, { url: anchorElement.attr('href'), name: 'questionpreview', options: popupOptions.join(',') }); } /* * Set up all of the event handling for the modal. * * @method registerEventListeners */ registerEventListeners() { // Apply parent event listeners. super.registerEventListeners(this); this.getModal().on('submit', SELECTORS.ADD_QUESTIONS_FORM, (e) => { // If the user clicks on the "Add selected questions to the quiz" button to add some questions to the page // then we need to intercept the submit in order to include the correct "add on page id" before the form is // submitted. const formElement = $(e.currentTarget); $('<input />').attr('type', 'hidden') .attr('name', "addonpage") .attr('value', this.getAddOnPageId()) .appendTo(formElement); }); this.getModal().on('click', SELECTORS.ANCHOR, (e) => { const anchorElement = $(e.currentTarget); // If the anchor element was the add to quiz link. if (anchorElement.closest(SELECTORS.ADD_TO_QUIZ_CONTAINER).length) { this.handleAddToQuizEvent(e, anchorElement); return; } // If the anchor element was a preview question link. if (anchorElement.closest(SELECTORS.PREVIEW_CONTAINER).length) { this.handlePreviewContainerEvent(e, anchorElement); return; } // Sorting links have their own handler. if (anchorElement.closest(SELECTORS.SORTERS).length) { return; } // Anything else means reload the pop-up contents. e.preventDefault(); this.reloadBodyContent(anchorElement.prop('search')); }); // Disable the form change checker when the body is rendered. this.getRoot().on(ModalEvents.bodyRendered, () => { // Make sure the form change checker is disabled otherwise it'll stop the user from navigating away from the // page once the modal is hidden. FormChangeChecker.disableAllChecks(); }); } } ModalQuizQuestionBank.registerModalType();

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