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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/>. /** * Create a modal. * * @module core/modal_factory * @copyright 2016 Ryan Wyllie <ryan@moodle.com> * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later * @deprecated since Moodle 4.3 * @todo Final deprecation in Moodle 4.7/5.2. See MDL-79128/ / import $ from 'jquery'; import ModalEvents from 'core/modal_events'; import as ModalRegistry from 'core/modal_registry'; import Modal from 'core/modal'; import ModalSaveCancel from 'core/modal_save_cancel'; import ModalDeleteCancel from 'core/modal_delete_cancel'; import ModalCancel from 'core/modal_cancel'; import ModalAlert from 'core/local/modal/alert'; import * as Notification from 'core/notification'; import * as CustomEvents from 'core/custom_interaction_events'; import Pending from 'core/pending'; /** * The available standard modals. * * @property {String} DEFAULT The default modal * @property {String} SAVE_CANCEL A modal which can be used to either save, or cancel. * @property {String} DELETE_CANCEL A modal which can be used to either delete, or cancel. * @property {String} CANCEL A modal which displayed a cancel button * @property {String} ALERT An information modal which only displays information. / export const types = { DEFAULT: 'DEFAULT', SAVE_CANCEL: ModalSaveCancel.TYPE, DELETE_CANCEL: ModalDeleteCancel.TYPE, CANCEL: ModalCancel.TYPE, ALERT: ModalAlert.TYPE, }; // Most modals are self-registering. // We do not self-register the base Modal because we do not want to define a default TYPE // on the class that every other modal extends. ModalRegistry.register(types.DEFAULT, Modal, Modal.TEMPLATE); /* * Set up the events required to show the modal and return focus when the modal * is closed. * * @method setUpTrigger * @private * @param {Promise} modalPromise The modal instance * @param {object} triggerElement The jQuery element to open the modal * @param {object} modalConfig The modal configuration given to the factory / const setUpTrigger = (modalPromise, triggerElement, modalConfig) => { // The element that actually shows the modal. let actualTriggerElement = null; // Check if the client has provided a callback function to be called // before the modal is displayed. const hasPreShowCallback = (typeof modalConfig.preShowCallback == 'function'); // Function to handle the trigger element being activated. const triggeredCallback = (e, data) => { const pendingPromise = new Pending('core/modal_factory:setUpTrigger:triggeredCallback'); actualTriggerElement = $(e.currentTarget); // eslint-disable-next-line promise/catch-or-return modalPromise.then(function(modal) { if (hasPreShowCallback) { // If the client provided a pre-show callback then execute // it now before showing the modal. modalConfig.preShowCallback(actualTriggerElement, modal); } modal.show(); return modal; }) .then(pendingPromise.resolve); data.originalEvent.preventDefault(); }; // The trigger element can either be a single element or it can be an // element + selector pair to create a delegated event handler to trigger // the modal. if (Array.isArray(triggerElement)) { const selector = triggerElement[1]; triggerElement = triggerElement[0]; CustomEvents.define(triggerElement, [CustomEvents.events.activate]); triggerElement.on(CustomEvents.events.activate, selector, triggeredCallback); } else { CustomEvents.define(triggerElement, [CustomEvents.events.activate]); triggerElement.on(CustomEvents.events.activate, triggeredCallback); } // eslint-disable-next-line promise/catch-or-return modalPromise.then(function(modal) { modal.getRoot().on(ModalEvents.hidden, function() { // Focus on the trigger element that actually launched the modal. if (actualTriggerElement !== null) { actualTriggerElement.focus(); } }); return modal; }); }; /* * Create a Modal instance. * * @method create * @param {object} modalConfig The configuration to create the modal instance * @param {object} triggerElement The trigger HTML jQuery object * @return {promise} Resolved with a Modal instance */ export const create = (modalConfig, triggerElement) => { window.console.warn( 'The modal_factory has been deprecated since Moodle 4.3. Please use the create method on your target modal type instead.', ); // Use of the triggerElement has been deprecated. const type = modalConfig.type \|\| types.DEFAULT; const registryConf = ModalRegistry.get(type); if (!registryConf) { Notification.exception({message: `Unable to find modal of type: ${type}`}); } const modal = registryConf.module.create(modalConfig); if (triggerElement) { window.console.warn( 'The triggerElement feature of the modal_factory has been deprecated. Please use event listeners instead.', ); setUpTrigger(modal, triggerElement, modalConfig); } return $.when(new Promise((resolve, reject) => { modal .then(resolve) .catch(reject); })); }; export default { create, types, };

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