[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   * Question type class for the description 'question' type.
  19   *
  20   * @package    qtype
  21   * @subpackage description
  22   * @copyright  1999 onwards Martin Dougiamas  {@link http://moodle.com}
  23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  
  27  defined('MOODLE_INTERNAL') || die();
  28  
  29  require_once($CFG->libdir . '/questionlib.php');
  30  
  31  
  32  /**
  33   * The description 'question' type.
  34   *
  35   * @copyright  1999 onwards Martin Dougiamas  {@link http://moodle.com}
  36   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  37   */
  38  class qtype_description extends question_type {
  39      public function is_real_question_type() {
  40          return false;
  41      }
  42  
  43      public function is_usable_by_random() {
  44          return false;
  45      }
  46  
  47      public function can_analyse_responses() {
  48          return false;
  49      }
  50  
  51      public function save_question($question, $form) {
  52          // Make very sure that descriptions can'e be created with a grade of
  53          // anything other than 0.
  54          $form->defaultmark = 0;
  55          return parent::save_question($question, $form);
  56      }
  57  
  58      public function actual_number_of_questions($question) {
  59          // Used for the feature number-of-questions-per-page
  60          // to determine the actual number of questions wrapped by this question.
  61          // The question type description is not even a question
  62          // in itself so it will return ZERO!
  63          return 0;
  64      }
  65  
  66      public function get_random_guess_score($questiondata) {
  67          return null;
  68      }
  69  }