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Differences Between: [Versions 39 and 311] [Versions 39 and 400] [Versions 39 and 401] [Versions 39 and 402] [Versions 39 and 403]

   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   * Defines the editing form for the shortanswer question type.
  19   *
  20   * @package    qtype
  21   * @subpackage shortanswer
  22   * @copyright  2007 Jamie Pratt
  23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  
  27  defined('MOODLE_INTERNAL') || die();
  28  
  29  
  30  /**
  31   * Short answer question editing form definition.
  32   *
  33   * @copyright  2007 Jamie Pratt
  34   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  35   */
  36  class qtype_shortanswer_edit_form extends question_edit_form {
  37  
  38      protected function definition_inner($mform) {
  39          $menu = array(
  40              get_string('caseno', 'qtype_shortanswer'),
  41              get_string('caseyes', 'qtype_shortanswer')
  42          );
  43          $mform->addElement('select', 'usecase',
  44                  get_string('casesensitive', 'qtype_shortanswer'), $menu);
  45  
  46          $mform->addElement('static', 'answersinstruct',
  47                  get_string('correctanswers', 'qtype_shortanswer'),
  48                  get_string('filloutoneanswer', 'qtype_shortanswer'));
  49          $mform->closeHeaderBefore('answersinstruct');
  50  
  51          $this->add_per_answer_fields($mform, get_string('answerno', 'qtype_shortanswer', '{no}'),
  52                  question_bank::fraction_options());
  53  
  54          $this->add_interactive_settings();
  55      }
  56  
  57      protected function get_more_choices_string() {
  58          return get_string('addmoreanswerblanks', 'qtype_shortanswer');
  59      }
  60  
  61      protected function data_preprocessing($question) {
  62          $question = parent::data_preprocessing($question);
  63          $question = $this->data_preprocessing_answers($question);
  64          $question = $this->data_preprocessing_hints($question);
  65  
  66          return $question;
  67      }
  68  
  69      public function validation($data, $files) {
  70          $errors = parent::validation($data, $files);
  71          $answers = $data['answer'];
  72          $answercount = 0;
  73          $maxgrade = false;
  74          foreach ($answers as $key => $answer) {
  75              $trimmedanswer = trim($answer);
  76              if ($trimmedanswer !== '') {
  77                  $answercount++;
  78                  if ($data['fraction'][$key] == 1) {
  79                      $maxgrade = true;
  80                  }
  81              } else if ($data['fraction'][$key] != 0 ||
  82                      !html_is_blank($data['feedback'][$key]['text'])) {
  83                  $errors["answeroptions[{$key}]"] = get_string('answermustbegiven', 'qtype_shortanswer');
  84                  $answercount++;
  85              }
  86          }
  87          if ($answercount==0) {
  88              $errors['answeroptions[0]'] = get_string('notenoughanswers', 'qtype_shortanswer', 1);
  89          }
  90          if ($maxgrade == false) {
  91              $errors['answeroptions[0]'] = get_string('fractionsnomax', 'question');
  92          }
  93          return $errors;
  94      }
  95  
  96      public function qtype() {
  97          return 'shortanswer';
  98      }
  99  }