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   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_survey_mod_form extends moodleform_mod {
   9  
  10      function definition() {
  11          global $CFG, $DB;
  12  
  13          $mform =& $this->_form;
  14  
  15          $strrequired = get_string('required');
  16  
  17  //-------------------------------------------------------------------------------
  18          $mform->addElement('header', 'general', get_string('general', 'form'));
  19  
  20          $mform->addElement('text', 'name', get_string('name'), array('size'=>'64'));
  21          if (!empty($CFG->formatstringstriptags)) {
  22              $mform->setType('name', PARAM_TEXT);
  23          } else {
  24              $mform->setType('name', PARAM_CLEANHTML);
  25          }
  26          $mform->addRule('name', null, 'required', null, 'client');
  27  
  28          if (!$options = $DB->get_records_menu("survey", array("template"=>0), "name", "id, name")) {
  29              print_error('cannotfindsurveytmpt', 'survey');
  30          }
  31  
  32          foreach ($options as $id => $name) {
  33              $options[$id] = get_string($name, "survey");
  34          }
  35          $options = array(''=>get_string('choose').'...') + $options;
  36          $mform->addElement('select', 'template', get_string("surveytype", "survey"), $options);
  37          $mform->addRule('template', $strrequired, 'required', null, 'client');
  38          $mform->addHelpButton('template', 'surveytype', 'survey');
  39  
  40          $this->standard_intro_elements(get_string('customintro', 'survey'));
  41  
  42          $this->standard_coursemodule_elements();
  43  
  44  //-------------------------------------------------------------------------------
  45          // buttons
  46          $this->add_action_buttons();
  47      }
  48  
  49      /**
  50       * Return submitted data if properly submitted or returns NULL if validation fails or
  51       * if there is no submitted data.
  52       *
  53       * @return stdClass submitted data; NULL if not valid or not submitted or cancelled
  54       */
  55      public function get_data() {
  56          $data = parent::get_data();
  57          if (!$data) {
  58              return false;
  59          }
  60  
  61          if (!empty($data->completionunlocked)) {
  62              // Turn off completion settings if the checkboxes aren't ticked.
  63              $autocompletion = !empty($data->completion) &&
  64                  $data->completion == COMPLETION_TRACKING_AUTOMATIC;
  65              if (!$autocompletion || empty($data->completionsubmit)) {
  66                  $data->completionsubmit = 0;
  67              }
  68          }
  69          return $data;
  70      }
  71  
  72      /**
  73       * Add completion rules to form.
  74       * @return array
  75       */
  76      public function add_completion_rules() {
  77          $mform =& $this->_form;
  78          $mform->addElement('checkbox', 'completionsubmit', '', get_string('completionsubmit', 'survey'));
  79          return array('completionsubmit');
  80      }
  81  
  82      /**
  83       * Enable completion rules
  84       * @param stdclass $data
  85       * @return array
  86       */
  87      public function completion_rule_enabled($data) {
  88          return !empty($data['completionsubmit']);
  89      }
  90  }
  91