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   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * This file contains the backup code for the feedback_file plugin.
  19   *
  20   * @package   assignfeedback_file
  21   * @copyright 2012 NetSpot {@link http://www.netspot.com.au}
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  defined('MOODLE_INTERNAL') || die();
  25  
  26  /**
  27   * Provides the information to backup feedback files.
  28   *
  29   * This just adds its filearea to the annotations and records the number of files.
  30   *
  31   * @package   assignfeedback_file
  32   * @copyright 2012 NetSpot {@link http://www.netspot.com.au}
  33   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  34   */
  35  class backup_assignfeedback_file_subplugin extends backup_subplugin {
  36  
  37      /**
  38       * Returns the subplugin information to attach to feedback element
  39       * @return backup_subplugin_element
  40       */
  41      protected function define_grade_subplugin_structure() {
  42  
  43          // Create XML elements.
  44          $subplugin = $this->get_subplugin_element();
  45          $subpluginwrapper = new backup_nested_element($this->get_recommended_name());
  46          $subpluginelement = new backup_nested_element('feedback_file', null, array('numfiles', 'grade'));
  47  
  48          // Connect XML elements into the tree.
  49          $subplugin->add_child($subpluginwrapper);
  50          $subpluginwrapper->add_child($subpluginelement);
  51  
  52          // Set source to populate the data.
  53          $subpluginelement->set_source_table('assignfeedback_file', array('grade' => backup::VAR_PARENTID));
  54          // The parent is the grade.
  55          $subpluginelement->annotate_files('assignfeedback_file', 'feedback_files', 'grade');
  56          return $subplugin;
  57      }
  58  
  59  }