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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   * Backup code for ddwtos.
  19   *
  20   * @package   qtype_ddwtos
  21   * @copyright 2011 The Open University
  22   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  
  26  defined('MOODLE_INTERNAL') || die();
  27  
  28  
  29  /**
  30   * Provides the information to backup ddwtos questions.
  31   *
  32   * @copyright 2011 The Open University
  33   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  34   */
  35  class backup_qtype_ddwtos_plugin extends backup_qtype_plugin {
  36  
  37      /**
  38       * Returns the qtype information to attach to question element.
  39       */
  40      protected function define_question_plugin_structure() {
  41  
  42          // Define the virtual plugin element with the condition to fulfill.
  43          $plugin = $this->get_plugin_element(null, '../../qtype', 'ddwtos');
  44  
  45          // Create one standard named plugin element (the visible container).
  46          $pluginwrapper = new backup_nested_element($this->get_recommended_name());
  47  
  48          // Connect the visible container ASAP.
  49          $plugin->add_child($pluginwrapper);
  50  
  51          // This qtype uses standard question_answers, add them here
  52          // to the tree before any other information that will use them.
  53          $this->add_question_question_answers($pluginwrapper);
  54  
  55          // Now create the qtype own structures.
  56          $ddwtos = new backup_nested_element('ddwtos', array('id'), array(
  57              'shuffleanswers', 'correctfeedback', 'correctfeedbackformat',
  58              'partiallycorrectfeedback', 'partiallycorrectfeedbackformat',
  59              'incorrectfeedback', 'incorrectfeedbackformat', 'shownumcorrect'));
  60  
  61          // Now the own qtype tree.
  62          $pluginwrapper->add_child($ddwtos);
  63  
  64          // Set source to populate the data.
  65          $ddwtos->set_source_table('question_ddwtos', array('questionid' => backup::VAR_PARENTID));
  66  
  67          // Don't need to annotate ids nor files.
  68  
  69          return $plugin;
  70      }
  71  
  72      /**
  73       * Returns one array with filearea => mappingname elements for the qtype
  74       *
  75       * Used by {@link get_components_and_fileareas} to know about all the qtype
  76       * files to be processed both in backup and restore.
  77       */
  78      public static function get_qtype_fileareas() {
  79          return array(
  80              'correctfeedback' => 'question_created',
  81              'partiallycorrectfeedback' => 'question_created',
  82              'incorrectfeedback' => 'question_created');
  83      }
  84  }