[Summary view]

   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   * @package    qtype
  19   * @subpackage multichoice
  20   * @copyright  2011 David Mudrak <david@moodle.com>
  21   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  22   */
  23  
  24  defined('MOODLE_INTERNAL') || die();
  25  
  26  /**
  27   * Multichoice question type conversion handler
  28   */
  29  class moodle1_qtype_multichoice_handler extends moodle1_qtype_handler {
  30  
  31      /**
  32       * @return array
  33       */
  34      public function get_question_subpaths() {
  35          return array(
  36              'ANSWERS/ANSWER',
  37              'MULTICHOICE',
  38          );
  39      }
  40  
  41      /**
  42       * Appends the multichoice specific information to the question
  43       */
  44      public function process_question(array $data, array $raw) {
  45  
  46          // Convert and write the answers first.
  47          if (isset($data['answers'])) {
  48              $this->write_answers($data['answers'], $this->pluginname);
  49          }
  50  
  51          // Convert and write the multichoice.
  52          if (!isset($data['multichoice'])) {
  53              // This should never happen, but it can do if the 1.9 site contained
  54              // corrupt data.
  55              $data['multichoice'] = array(array(
  56                  'single'                         => 1,
  57                  'shuffleanswers'                 => 1,
  58                  'correctfeedback'                => '',
  59                  'correctfeedbackformat'          => FORMAT_HTML,
  60                  'partiallycorrectfeedback'       => '',
  61                  'partiallycorrectfeedbackformat' => FORMAT_HTML,
  62                  'incorrectfeedback'              => '',
  63                  'incorrectfeedbackformat'        => FORMAT_HTML,
  64                  'answernumbering'                => 'abc',
  65                  'showstandardinstruction'        => 0
  66              ));
  67          }
  68          $this->write_multichoice($data['multichoice'], $data['oldquestiontextformat'], $data['id']);
  69      }
  70  
  71      /**
  72       * Converts the multichoice info and writes it into the question.xml
  73       *
  74       * @param array $multichoices the grouped structure
  75       * @param int $oldquestiontextformat - {@see moodle1_question_bank_handler::process_question()}
  76       * @param int $questionid question id
  77       */
  78      protected function write_multichoice(array $multichoices, $oldquestiontextformat, $questionid) {
  79          global $CFG;
  80  
  81          // The grouped array is supposed to have just one element - let us use foreach anyway
  82          // just to be sure we do not loose anything.
  83          foreach ($multichoices as $multichoice) {
  84              // Append an artificial 'id' attribute (is not included in moodle.xml).
  85              $multichoice['id'] = $this->converter->get_nextid();
  86  
  87              // Replay the upgrade step 2009021801.
  88              $multichoice['correctfeedbackformat']               = 0;
  89              $multichoice['partiallycorrectfeedbackformat']      = 0;
  90              $multichoice['incorrectfeedbackformat']             = 0;
  91  
  92              if ($CFG->texteditors !== 'textarea' and $oldquestiontextformat == FORMAT_MOODLE) {
  93                  $multichoice['correctfeedback']                 = text_to_html($multichoice['correctfeedback'], false, false, true);
  94                  $multichoice['correctfeedbackformat']           = FORMAT_HTML;
  95                  $multichoice['partiallycorrectfeedback']        = text_to_html($multichoice['partiallycorrectfeedback'], false, false, true);
  96                  $multichoice['partiallycorrectfeedbackformat']  = FORMAT_HTML;
  97                  $multichoice['incorrectfeedback']               = text_to_html($multichoice['incorrectfeedback'], false, false, true);
  98                  $multichoice['incorrectfeedbackformat']         = FORMAT_HTML;
  99              } else {
 100                  $multichoice['correctfeedbackformat']           = $oldquestiontextformat;
 101                  $multichoice['partiallycorrectfeedbackformat']  = $oldquestiontextformat;
 102                  $multichoice['incorrectfeedbackformat']         = $oldquestiontextformat;
 103              }
 104  
 105              $multichoice['correctfeedback'] = $this->migrate_files(
 106                      $multichoice['correctfeedback'], 'question', 'correctfeedback', $questionid);
 107              $multichoice['partiallycorrectfeedback'] = $this->migrate_files(
 108                      $multichoice['partiallycorrectfeedback'], 'question', 'partiallycorrectfeedback', $questionid);
 109              $multichoice['incorrectfeedback'] = $this->migrate_files(
 110                      $multichoice['incorrectfeedback'], 'question', 'incorrectfeedback', $questionid);
 111  
 112              $this->write_xml('multichoice', $multichoice, array('/multichoice/id'));
 113          }
 114      }
 115  }