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   1  <?php
   2  require_once ($CFG->dirroot.'/course/moodleform_mod.php');
   3  
   4  class mod_choice_mod_form extends moodleform_mod {
   5  
   6      function definition() {
   7          global $CFG, $CHOICE_SHOWRESULTS, $CHOICE_PUBLISH, $CHOICE_DISPLAY;
   8  
   9          $mform    =& $this->_form;
  10  
  11  //-------------------------------------------------------------------------------
  12          $mform->addElement('header', 'general', get_string('general', 'form'));
  13  
  14          $mform->addElement('text', 'name', get_string('choicename', 'choice'), array('size'=>'64'));
  15          if (!empty($CFG->formatstringstriptags)) {
  16              $mform->setType('name', PARAM_TEXT);
  17          } else {
  18              $mform->setType('name', PARAM_CLEAN);
  19          }
  20          $mform->addRule('name', null, 'required', null, 'client');
  21  
  22          $mform->addElement('htmleditor', 'text', get_string('choicetext', 'choice'));
  23          $mform->setType('text', PARAM_RAW);
  24          $mform->addRule('text', null, 'required', null, 'client');
  25          $mform->setHelpButton('text', array('writing', 'questions', 'richtext'), false, 'editorhelpbutton');
  26  
  27          $mform->addElement('format', 'format', get_string('format'));
  28  
  29  //-------------------------------------------------------------------------------
  30          $repeatarray=array();
  31          $repeatarray[] = &MoodleQuickForm::createElement('header', '', get_string('choice','choice').' {no}');
  32          $repeatarray[] = &MoodleQuickForm::createElement('text', 'option', get_string('choice','choice'));
  33          $repeatarray[] = &MoodleQuickForm::createElement('text', 'limit', get_string('limit','choice'));
  34          $repeatarray[] = &MoodleQuickForm::createElement('hidden', 'optionid', 0);
  35  
  36          $menuoptions=array();
  37          $menuoptions[0] = get_string('disable');
  38          $menuoptions[1] = get_string('enable');
  39          $mform->addElement('header', 'timerestricthdr', get_string('limit', 'choice'));
  40          $mform->addElement('select', 'limitanswers', get_string('limitanswers', 'choice'), $menuoptions);
  41          $mform->setHelpButton('limitanswers', array('limit', get_string('limit', 'choice'), 'choice'));
  42  
  43          if ($this->_instance){
  44              $repeatno=count_records('choice_options', 'choiceid', $this->_instance);
  45              $repeatno += 2;
  46          } else {
  47              $repeatno = 5;
  48          }
  49  
  50          $repeateloptions = array();
  51          $repeateloptions['limit']['default'] = 0;
  52          $repeateloptions['limit']['disabledif'] = array('limitanswers', 'eq', 0);
  53          $mform->setType('limit', PARAM_INT);
  54  
  55          $repeateloptions['option']['helpbutton'] = array('options', get_string('modulenameplural', 'choice'), 'choice');
  56          $mform->setType('option', PARAM_CLEAN);
  57  
  58          $mform->setType('optionid', PARAM_INT);
  59  
  60          $this->repeat_elements($repeatarray, $repeatno,
  61                      $repeateloptions, 'option_repeats', 'option_add_fields', 3);
  62  
  63  
  64  
  65  
  66  //-------------------------------------------------------------------------------
  67          $mform->addElement('header', 'timerestricthdr', get_string('timerestrict', 'choice'));
  68          $mform->addElement('checkbox', 'timerestrict', get_string('timerestrict', 'choice'));
  69          $mform->setHelpButton('timerestrict', array("timerestrict", get_string("timerestrict","choice"), "choice"));
  70  
  71  
  72          $mform->addElement('date_time_selector', 'timeopen', get_string("choiceopen", "choice"));
  73          $mform->disabledIf('timeopen', 'timerestrict');
  74  
  75          $mform->addElement('date_time_selector', 'timeclose', get_string("choiceclose", "choice"));
  76          $mform->disabledIf('timeclose', 'timerestrict');
  77  
  78  //-------------------------------------------------------------------------------
  79          $mform->addElement('header', 'miscellaneoussettingshdr', get_string('miscellaneoussettings', 'form'));
  80  
  81          $mform->addElement('select', 'display', get_string("displaymode","choice"), $CHOICE_DISPLAY);
  82  
  83          $mform->addElement('select', 'showresults', get_string("publish", "choice"), $CHOICE_SHOWRESULTS);
  84  
  85          $mform->addElement('select', 'publish', get_string("privacy", "choice"), $CHOICE_PUBLISH);
  86          $mform->disabledIf('publish', 'showresults', 'eq', 0);
  87  
  88          $mform->addElement('selectyesno', 'allowupdate', get_string("allowupdate", "choice"));
  89  
  90          $mform->addElement('selectyesno', 'showunanswered', get_string("showunanswered", "choice"));
  91  
  92  
  93  //-------------------------------------------------------------------------------
  94          $features = new stdClass;
  95          $features->groups = true;
  96          $features->groupings = true;
  97          $features->groupmembersonly = true;
  98          $features->gradecat = false;
  99          $this->standard_coursemodule_elements($features);
 100  //-------------------------------------------------------------------------------
 101          $this->add_action_buttons();
 102      }
 103  
 104      function data_preprocessing(&$default_values){
 105          if (!empty($this->_instance) && ($options = get_records_menu('choice_options','choiceid', $this->_instance, 'id', 'id,text'))
 106                 && ($options2 = get_records_menu('choice_options','choiceid', $this->_instance, 'id', 'id,maxanswers')) ) {
 107              $choiceids=array_keys($options);
 108              $options=array_values($options);
 109              $options2=array_values($options2);
 110  
 111              foreach (array_keys($options) as $key){
 112                  $default_values['option['.$key.']'] = $options[$key];
 113                  $default_values['limit['.$key.']'] = $options2[$key];
 114                  $default_values['optionid['.$key.']'] = $choiceids[$key];
 115              }
 116  
 117          }
 118          if (empty($default_values['timeopen'])) {
 119              $default_values['timerestrict'] = 0;
 120          } else {
 121              $default_values['timerestrict'] = 1;
 122          }
 123  
 124      }
 125  
 126      function validation($data, $files) {
 127          $errors = parent::validation($data, $files);
 128  
 129          $choices = 0;
 130          foreach ($data['option'] as $option){
 131              if (trim($option) != ''){
 132                  $choices++;
 133              }
 134          }
 135  
 136          if ($choices < 1) {
 137             $errors['option[0]'] = get_string('fillinatleastoneoption', 'choice');
 138          }
 139  
 140          if ($choices < 2) {
 141             $errors['option[1]'] = get_string('fillinatleastoneoption', 'choice');
 142          }
 143  
 144          return $errors;
 145      }
 146  
 147  }
 148  ?>