mod/choice/mod_form.php

   1 <?php
   2 if (!defined('MOODLE_INTERNAL')) {
   3     die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page
   4 }
   5
   6 require_once ($CFG->dirroot.'/course/moodleform_mod.php');
   7
   8 class mod_choice_mod_form extends moodleform_mod {
   9
  10     function definition() {
  11         global $CFG, $CHOICE_SHOWRESULTS, $CHOICE_PUBLISH, $CHOICE_DISPLAY, $DB;
  12
  13         $mform    =& $this->_form;
  14
  15 //-------------------------------------------------------------------------------
  16         $mform->addElement('header', 'general', get_string('general', 'form'));
  17
  18         $mform->addElement('text', 'name', get_string('choicename', 'choice'), array('size'=>'64'));
  19         if (!empty($CFG->formatstringstriptags)) {
  20             $mform->setType('name', PARAM_TEXT);
  21         } else {
  22             $mform->setType('name', PARAM_CLEANHTML);
  23         }
  24         $mform->addRule('name', null, 'required', null, 'client');
  25
  26         $this->add_intro_editor(true, get_string('chatintro', 'chat'));
  27
  28 //-------------------------------------------------------------------------------
  29         $repeatarray = array();
  30         $repeatarray[] = &MoodleQuickForm::createElement('header', '', get_string('option','choice').' {no}');
  31         $repeatarray[] = &MoodleQuickForm::createElement('text', 'option', get_string('option','choice'));
  32         $repeatarray[] = &MoodleQuickForm::createElement('text', 'limit', get_string('limit','choice'));
  33         $repeatarray[] = &MoodleQuickForm::createElement('hidden', 'optionid', 0);
  34
  35         $menuoptions = array();
  36         $menuoptions[0] = get_string('disable');
  37         $menuoptions[1] = get_string('enable');
  38         $mform->addElement('header', 'timerestricthdr', get_string('limit', 'choice'));
  39         $mform->addElement('select', 'limitanswers', get_string('limitanswers', 'choice'), $menuoptions);
  40         $mform->addHelpButton('limitanswers', 'limitanswers', 'choice');
  41
  42         if ($this->_instance){
  43             $repeatno = $DB->count_records('choice_options', array('choiceid'=>$this->_instance));
  44             $repeatno += 2;
  45         } else {
  46             $repeatno = 5;
  47         }
  48
  49         $repeateloptions = array();
  50         $repeateloptions['limit']['default'] = 0;
  51         $repeateloptions['limit']['disabledif'] = array('limitanswers', 'eq', 0);
  52         $mform->setType('limit', PARAM_INT);
  53
  54         $repeateloptions['option']['helpbutton'] = array('choiceoptions', 'choice');
  55         $mform->setType('option', PARAM_CLEAN);
  56
  57         $mform->setType('optionid', PARAM_INT);
  58
  59         $this->repeat_elements($repeatarray, $repeatno,
  60                     $repeateloptions, 'option_repeats', 'option_add_fields', 3);
  61
  62
  63
  64
  65 //-------------------------------------------------------------------------------
  66         $mform->addElement('header', 'timerestricthdr', get_string('timerestrict', 'choice'));
  67         $mform->addElement('checkbox', 'timerestrict', get_string('timerestrict', 'choice'));
  68
  69         $mform->addElement('date_time_selector', 'timeopen', get_string("choiceopen", "choice"));
  70         $mform->disabledIf('timeopen', 'timerestrict');
  71
  72         $mform->addElement('date_time_selector', 'timeclose', get_string("choiceclose", "choice"));
  73         $mform->disabledIf('timeclose', 'timerestrict');
  74
  75 //-------------------------------------------------------------------------------
  76         $mform->addElement('header', 'miscellaneoussettingshdr', get_string('miscellaneoussettings', 'form'));
  77
  78         $mform->addElement('select', 'display', get_string("displaymode","choice"), $CHOICE_DISPLAY);
  79
  80         $mform->addElement('select', 'showresults', get_string("publish", "choice"), $CHOICE_SHOWRESULTS);
  81
  82         $mform->addElement('select', 'publish', get_string("privacy", "choice"), $CHOICE_PUBLISH);
  83         $mform->disabledIf('publish', 'showresults', 'eq', 0);
  84
  85         $mform->addElement('selectyesno', 'allowupdate', get_string("allowupdate", "choice"));
  86
  87         $mform->addElement('selectyesno', 'showunanswered', get_string("showunanswered", "choice"));
  88
  89
  90 //-------------------------------------------------------------------------------
  91         $this->standard_coursemodule_elements();
  92 //-------------------------------------------------------------------------------
  93         $this->add_action_buttons();
  94     }
  95
  96     function data_preprocessing(&$default_values){
  97         global $DB;
  98         if (!empty($this->_instance) && ($options = $DB->get_records_menu('choice_options',array('choiceid'=>$this->_instance), 'id', 'id,text'))
  99                && ($options2 = $DB->get_records_menu('choice_options', array('choiceid'=>$this->_instance), 'id', 'id,maxanswers')) ) {
 100             $choiceids=array_keys($options);
 101             $options=array_values($options);
 102             $options2=array_values($options2);
 103
 104             foreach (array_keys($options) as $key){
 105                 $default_values['option['.$key.']'] = $options[$key];
 106                 $default_values['limit['.$key.']'] = $options2[$key];
 107                 $default_values['optionid['.$key.']'] = $choiceids[$key];
 108             }
 109
 110         }
 111         if (empty($default_values['timeopen'])) {
 112             $default_values['timerestrict'] = 0;
 113         } else {
 114             $default_values['timerestrict'] = 1;
 115         }
 116
 117     }
 118
 119     function validation($data, $files) {
 120         $errors = parent::validation($data, $files);
 121
 122         $choices = 0;
 123         foreach ($data['option'] as $option){
 124             if (trim($option) != ''){
 125                 $choices++;
 126             }
 127         }
 128
 129         if ($choices < 1) {
 130            $errors['option[0]'] = get_string('fillinatleastoneoption', 'choice');
 131         }
 132
 133         if ($choices < 2) {
 134            $errors['option[1]'] = get_string('fillinatleastoneoption', 'choice');
 135         }
 136
 137         return $errors;
 138     }
 139
 140     function get_data() {
 141         $data = parent::get_data();
 142         if (!$data) {
 143             return false;
 144         }
 145         // Set up completion section even if checkbox is not ticked
 146         if (empty($data->completionsection)) {
 147             $data->completionsection=0;
 148         }
 149         return $data;
 150     }
 151
 152     function add_completion_rules() {
 153         $mform =& $this->_form;
 154
 155         $mform->addElement('checkbox', 'completionsubmit', '', get_string('completionsubmit', 'choice'));
 156         return array('completionsubmit');
 157     }
 158
 159     function completion_rule_enabled($data) {
 160         return !empty($data['completionsubmit']);
 161     }
 162 }
 163