[Summary view] [Print] [Text 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   * Base class for rendering question types like this one.
  19   *
  20   * @package    qtype_gapselect
  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   * Renders question types where the question includes embedded interactive elements.
  31   *
  32   * @copyright  2011 The Open University
  33   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  34   */
  35  abstract class qtype_elements_embedded_in_question_text_renderer
  36          extends qtype_with_combined_feedback_renderer {
  37      public function formulation_and_controls(question_attempt $qa,
  38              question_display_options $options) {
  39  
  40          $question = $qa->get_question();
  41  
  42          $questiontext = '';
  43          foreach ($question->textfragments as $i => $fragment) {
  44              if ($i > 0) {
  45                  $questiontext .= $this->embedded_element($qa, $i, $options);
  46              }
  47              $questiontext .= $fragment;
  48          }
  49  
  50          $result = '';
  51          $result .= html_writer::tag('div', $question->format_text($questiontext,
  52                  $question->questiontextformat, $qa, 'question', 'questiontext', $question->id),
  53                  array('class' => $this->qtext_classname(), 'id' => $this->qtext_id($qa)));
  54  
  55          $result .= $this->post_qtext_elements($qa, $options);
  56  
  57          if ($qa->get_state() == question_state::$invalid) {
  58              $result .= html_writer::nonempty_tag('div',
  59                      $question->get_validation_error($qa->get_last_qt_data()),
  60                      array('class' => 'validationerror'));
  61          }
  62  
  63          return $result;
  64      }
  65  
  66      protected function qtext_classname() {
  67          return 'qtext';
  68      }
  69  
  70      protected function qtext_id($qa) {
  71          return str_replace(':', '_', $qa->get_qt_field_name(''));
  72      }
  73  
  74      protected abstract function embedded_element(question_attempt $qa, $place,
  75              question_display_options $options);
  76  
  77      protected function post_qtext_elements(question_attempt $qa,
  78              question_display_options $options) {
  79          return '';
  80      }
  81  
  82      protected function box_id(question_attempt $qa, $place) {
  83          return str_replace(':', '_', $qa->get_qt_field_name($place));
  84      }
  85  
  86      public function specific_feedback(question_attempt $qa) {
  87          return $this->combined_feedback($qa);
  88      }
  89  
  90      public function correct_response(question_attempt $qa) {
  91          $question = $qa->get_question();
  92  
  93          $correctanswer = '';
  94          foreach ($question->textfragments as $i => $fragment) {
  95              if ($i > 0) {
  96                  $group = $question->places[$i];
  97                  $choice = $question->choices[$group][$question->rightchoices[$i]];
  98                  $correctanswer .= '[' . str_replace('-', '&#x2011;',
  99                          $choice->text) . ']';
 100              }
 101              $correctanswer .= $fragment;
 102          }
 103  
 104          if (!empty($correctanswer)) {
 105              return get_string('correctansweris', 'qtype_gapselect',
 106                      $question->format_text($correctanswer, $question->questiontextformat,
 107                              $qa, 'question', 'questiontext', $question->id));
 108          }
 109      }
 110  }