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   1  // This file is part of Moodle - http://moodle.org/
   2  //
   3  // Moodle is free software: you can redistribute it and/or modify
   4  // it under the terms of the GNU General Public License as published by
   5  // the Free Software Foundation, either version 3 of the License, or
   6  // (at your option) any later version.
   7  //
   8  // Moodle is distributed in the hope that it will be useful,
   9  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  // GNU General Public License for more details.
  12  //
  13  // You should have received a copy of the GNU General Public License
  14  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  15  
  16  /**
  17   * Contain the logic for the cancel modal.
  18   *
  19   * @module     core/modal_cancel
  20   * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
  21   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  22   */
  23  import Modal from 'core/modal';
  24  
  25  /**
  26   * @class
  27   * @extends module:core/modal
  28   */
  29  export default class extends Modal {
  30      constructor(root) {
  31          super(root);
  32  
  33          if (!this.getFooter().find(this.getActionSelector('cancel')).length) {
  34              Notification.exception({message: 'No cancel button found'});
  35          }
  36      }
  37  
  38      /**
  39       * Register all event listeners.
  40       */
  41      registerEventListeners() {
  42          // Call the parent registration.
  43          super.registerEventListeners();
  44  
  45          // Register to close on cancel.
  46          this.registerCloseOnCancel();
  47      }
  48  }