text: // 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 save/cancel modal.
   *
   * @module     core_calendar/modal_delete
   * @class      modal_delete
   * @package    core_calendar
   * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>
   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
   */
  define([
      'jquery',
      'core/notification',
      'core/custom_interaction_events',
      'core/modal',
      'core/modal_events',
      'core/modal_registry',
      'core_calendar/events',
  ],
  function(
      $,
      Notification,
      CustomEvents,
      Modal,
      ModalEvents,
      ModalRegistry,
      CalendarEvents
  ) {
  
      var registered = false;
      var SELECTORS = {
          DELETE_ONE_BUTTON: '[data-action="deleteone"]',
          DELETE_ALL_BUTTON: '[data-action="deleteall"]',
          CANCEL_BUTTON: '[data-action="cancel"]',
      };
  
      /**
       * Constructor for the Modal.
       *
       * @param {object} root The root jQuery element for the modal
       */
      var ModalDelete = function(root) {
          Modal.call(this, root);
  
          this.setRemoveOnClose(true);
      };
  
      ModalDelete.TYPE = 'core_calendar-modal_delete';
      ModalDelete.prototype = Object.create(Modal.prototype);
      ModalDelete.prototype.constructor = ModalDelete;
  
      /**
       * Set up all of the event handling for the modal.
       *
       * @method registerEventListeners
       */
      ModalDelete.prototype.registerEventListeners = function() {
          // Apply parent event listeners.
          Modal.prototype.registerEventListeners.call(this);
  
          this.getModal().on(CustomEvents.events.activate, SELECTORS.DELETE_ONE_BUTTON, function(e, data) {
              var saveEvent = $.Event(ModalEvents.save);
              this.getRoot().trigger(saveEvent, this);
  
              if (!saveEvent.isDefaultPrevented()) {
                  this.hide();
                  data.originalEvent.preventDefault();
              }
          }.bind(this));
  
          this.getModal().on(CustomEvents.events.activate, SELECTORS.DELETE_ALL_BUTTON, function(e, data) {
              var saveEvent = $.Event(CalendarEvents.deleteAll);
              this.getRoot().trigger(saveEvent, this);
  
              if (!saveEvent.isDefaultPrevented()) {
                  this.hide();
                  data.originalEvent.preventDefault();
              }
          }.bind(this));
  
          this.getModal().on(CustomEvents.events.activate, SELECTORS.CANCEL_BUTTON, function(e, data) {
              var cancelEvent = $.Event(ModalEvents.cancel);
              this.getRoot().trigger(cancelEvent, this);
  
              if (!cancelEvent.isDefaultPrevented()) {
                  this.hide();
                  data.originalEvent.preventDefault();
              }
          }.bind(this));
      };
  
      // Automatically register with the modal registry the first time this module is imported so that you can create modals
      // of this type using the modal factory.
      if (!registered) {
          ModalRegistry.register(ModalDelete.TYPE, ModalDelete, 'calendar/event_delete_modal');
          registered = true;
      }
  
      return ModalDelete;
  });
  