group/grouping_form.php

   1 <?php //$Id$
   2
   3 require_once($CFG->dirroot.'/lib/formslib.php');
   4
   5 /// get url variables
   6 class grouping_form extends moodleform {
   7
   8     // Define the form
   9     function definition () {
  10         global $USER, $CFG, $COURSE;
  11
  12         $mform =& $this->_form;
  13
  14         $mform->addElement('text','name', get_string('groupingname', 'group'),'maxlength="254" size="50"');
  15         $mform->addRule('name', get_string('required'), 'required', null, 'server');
  16         $mform->setType('name', PARAM_MULTILANG);
  17
  18         $mform->addElement('htmleditor', 'description', get_string('groupingdescription', 'group'), array('rows'=> '15', 'course' => $COURSE->id, 'cols'=>'45'));
  19         $mform->setType('description', PARAM_RAW);
  20
  21         $mform->addElement('hidden','id');
  22         $mform->setType('id', PARAM_INT);
  23
  24         $mform->addElement('hidden', 'courseid');
  25         $mform->setType('courseid', PARAM_INT);
  26
  27         $this->add_action_buttons();
  28     }
  29
  30     function validation($data, $files) {
  31         global $COURSE;
  32
  33         $errors = parent::validation($data, $files);
  34
  35         $textlib = textlib_get_instance();
  36
  37         $name = trim(stripslashes($data['name']));
  38         if ($data['id'] and $grouping = get_record('groupings', 'id', $data['id'])) {
  39             if ($textlib->strtolower($grouping->name) != $textlib->strtolower($name)) {
  40                 if (groups_get_grouping_by_name($COURSE->id,  $name)) {
  41                     $errors['name'] = get_string('groupingnameexists', 'group', $name);
  42                 }
  43             }
  44
  45         } else if (groups_get_grouping_by_name($COURSE->id, $name)) {
  46             $errors['name'] = get_string('groupingnameexists', 'group', $name);
  47         }
  48
  49         return $errors;
  50     }
  51
  52 }
  53 ?>