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/>.
  
  /**
   * Global registry of core events that can be triggered/listened for.
   *
   * @module     core/event
   * @class      event
   * @copyright  2015 Damyon Wiese <damyon@moodle.com>
   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
   * @since      3.0
   */
  define(['jquery', 'core/yui'],
         function($, Y) {
  
      return /** @alias module:core/event */ {
  
  
          // Public variables and functions.
          // These are AMD only events - no backwards compatibility for new things.
          Events: {
              FORM_FIELD_VALIDATION: "core_form-field-validation"
          },
  
          /**
           * Load the legacy YUI module which defines events in M.core.event and return it.
           *
           * @method getLegacyEvents
           * @return {Promise}
           */
          getLegacyEvents: function() {
              var result = $.Deferred();
              Y.use('event', 'moodle-core-event', function() {
                  result.resolve(window.M.core.event);
              });
              return result.promise();
          },
  
          /**
           * Trigger an event using both JQuery and YUI
           *
           * @method notifyFilterContentUpdated
           * @param {string|JQuery} nodes - Selector or list of elements that were inserted.
           */
          notifyFilterContentUpdated: function(nodes) {
              nodes = $(nodes);
              Y.use('event', 'moodle-core-event', function(Y) {
                  // Trigger it the JQuery way.
                  $(document).trigger(M.core.event.FILTER_CONTENT_UPDATED, [nodes]);
  
                  // Create a YUI NodeList from our JQuery Object.
                  var yuiNodes = new Y.NodeList(nodes.get());
  
                  // And again for YUI.
                  Y.fire(M.core.event.FILTER_CONTENT_UPDATED, {nodes: yuiNodes});
              });
          },
  
          /**
           * Trigger an event using both JQuery and YUI
           *
           * @method notifyFormSubmittedAjax
           * @param {DOMElement} form
           * @param {boolean} skipValidation Submit the form without validation. E.g. "Cancel".
           */
          notifyFormSubmitAjax: function(form, skipValidation) {
  
              // Argument is optional.
              skipValidation = skipValidation || false;
  
              Y.use('event', 'moodle-core-event', function(Y) {
                  if (skipValidation) {
                      window.skipClientValidation = true;
                  }
                  // Trigger it the JQuery way.
                  $(form).trigger(M.core.event.FORM_SUBMIT_AJAX);
  
                  // And again for YUI.
                  Y.one(form).fire(M.core.event.FORM_SUBMIT_AJAX, {currentTarget: Y.one(form)});
  
                  if (skipValidation) {
                      window.skipClientValidation = false;
                  }
              });
          },
  
          /**
           * Trigger an event using both JQuery and YUI
           * This event alerts the world that the editor has restored some content.
           *
           * @method notifyEditorContentRestored
           */
          notifyEditorContentRestored: function() {
              Y.use('event', 'moodle-core-event', function(Y) {
                  // Trigger it the JQuery way.
                  $(document).trigger(M.core.event.EDITOR_CONTENT_RESTORED);
  
                  // And again for YUI.
                  Y.fire(M.core.event.EDITOR_CONTENT_RESTORED);
              });
          },
      };
  });
  