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         $mform->addRule('name', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');
  26
  27         $this->add_intro_editor(true, get_string('description', 'choice'));
  28
  29         $mform->addElement('select', 'display', get_string("displaymode","choice"), $CHOICE_DISPLAY);
  30
  31         //-------------------------------------------------------------------------------
  32         $mform->addElement('header', 'optionhdr', get_string('options', 'choice'));
  33
  34         $mform->addElement('selectyesno', 'allowupdate', get_string("allowupdate", "choice"));
  35
  36         $mform->addElement('selectyesno', 'allowmultiple', get_string('allowmultiple', 'choice'));
  37
  38         $mform->addElement('selectyesno', 'limitanswers', get_string('limitanswers', 'choice'));
  39         $mform->addHelpButton('limitanswers', 'limitanswers', 'choice');
  40
  41         $repeatarray = array();
  42         $repeatarray[] = $mform->createElement('text', 'option', get_string('optionno', 'choice'));
  43         $repeatarray[] = $mform->createElement('text', 'limit', get_string('limitno', 'choice'));
  44         $repeatarray[] = $mform->createElement('hidden', 'optionid', 0);
  45
  46         if ($this->_instance){
  47             $repeatno = $DB->count_records('choice_options', array('choiceid'=>$this->_instance));
  48             $repeatno += 2;
  49         } else {
  50             $repeatno = 5;
  51         }
  52
  53         $repeateloptions = array();
  54         $repeateloptions['limit']['default'] = 0;
  55         $repeateloptions['limit']['disabledif'] = array('limitanswers', 'eq', 0);
  56         $repeateloptions['limit']['rule'] = 'numeric';
  57         $repeateloptions['limit']['type'] = PARAM_INT;
  58
  59         $repeateloptions['option']['helpbutton'] = array('choiceoptions', 'choice');
  60         $mform->setType('option', PARAM_CLEANHTML);
  61
  62         $mform->setType('optionid', PARAM_INT);
  63
  64         $this->repeat_elements($repeatarray, $repeatno,
  65                     $repeateloptions, 'option_repeats', 'option_add_fields', 3, null, true);
  66
  67         // Make the first option required
  68         if ($mform->elementExists('option[0]')) {
  69             $mform->addRule('option[0]', get_string('atleastoneoption', 'choice'), 'required', null, 'client');
  70         }
  71
  72 //-------------------------------------------------------------------------------
  73         $mform->addElement('header', 'timerestricthdr', get_string('availability'));
  74         $mform->addElement('checkbox', 'timerestrict', get_string('timerestrict', 'choice'));
  75
  76         $mform->addElement('date_time_selector', 'timeopen', get_string("choiceopen", "choice"));
  77         $mform->disabledIf('timeopen', 'timerestrict');
  78
  79         $mform->addElement('date_time_selector', 'timeclose', get_string("choiceclose", "choice"));
  80         $mform->disabledIf('timeclose', 'timerestrict');
  81
  82 //-------------------------------------------------------------------------------
  83         $mform->addElement('header', 'resultshdr', get_string('results', 'choice'));
  84
  85         $mform->addElement('select', 'showresults', get_string("publish", "choice"), $CHOICE_SHOWRESULTS);
  86
  87         $mform->addElement('select', 'publish', get_string("privacy", "choice"), $CHOICE_PUBLISH);
  88         $mform->disabledIf('publish', 'showresults', 'eq', 0);
  89
  90         $mform->addElement('selectyesno', 'showunanswered', get_string("showunanswered", "choice"));
  91
  92
  93 //-------------------------------------------------------------------------------
  94         $this->standard_coursemodule_elements();
  95 //-------------------------------------------------------------------------------
  96         $this->add_action_buttons();
  97     }
  98
  99     function data_preprocessing(&$default_values){
 100         global $DB;
 101         if (!empty($this->_instance) && ($options = $DB->get_records_menu('choice_options',array('choiceid'=>$this->_instance), 'id', 'id,text'))
 102                && ($options2 = $DB->get_records_menu('choice_options', array('choiceid'=>$this->_instance), 'id', 'id,maxanswers')) ) {
 103             $choiceids=array_keys($options);
 104             $options=array_values($options);
 105             $options2=array_values($options2);
 106
 107             foreach (array_keys($options) as $key){
 108                 $default_values['option['.$key.']'] = $options[$key];
 109                 $default_values['limit['.$key.']'] = $options2[$key];
 110                 $default_values['optionid['.$key.']'] = $choiceids[$key];
 111             }
 112
 113         }
 114         if (empty($default_values['timeopen'])) {
 115             $default_values['timerestrict'] = 0;
 116         } else {
 117             $default_values['timerestrict'] = 1;
 118         }
 119
 120     }
 121
 122     function get_data() {
 123         $data = parent::get_data();
 124         if (!$data) {
 125             return false;
 126         }
 127         // Set up completion section even if checkbox is not ticked
 128         if (!empty($data->completionunlocked)) {
 129             if (empty($data->completionsubmit)) {
 130                 $data->completionsubmit = 0;
 131             }
 132         }
 133         return $data;
 134     }
 135
 136     function add_completion_rules() {
 137         $mform =& $this->_form;
 138
 139         $mform->addElement('checkbox', 'completionsubmit', '', get_string('completionsubmit', 'choice'));
 140         return array('completionsubmit');
 141     }
 142
 143     function completion_rule_enabled($data) {
 144         return !empty($data['completionsubmit']);
 145     }
 146 }
 147