group/group_form.php

   1 <?php //$Id$
   2
   3 require_once($CFG->dirroot.'/lib/formslib.php');
   4
   5 /// get url variables
   6 class group_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('groupname', 'group'),'maxlength="254" size="50"');
  15         $mform->addRule('name', get_string('required'), 'required', null, 'client');
  16         $mform->setType('name', PARAM_MULTILANG);
  17
  18         $mform->addElement('htmleditor', 'description', get_string('groupdescription', 'group'), array('rows'=> '15', 'course' => $COURSE->id, 'cols'=>'45'));
  19         $mform->setType('description', PARAM_RAW);
  20
  21         $mform->addElement('passwordunmask', 'enrolmentkey', get_string('enrolmentkey', 'group'), 'maxlength="254" size="24"', get_string('enrolmentkey'));
  22         $mform->setHelpButton('enrolmentkey', array('groupenrolmentkey', get_string('enrolmentkey', 'group')), true);
  23         $mform->setType('enrolmentkey', PARAM_RAW);
  24
  25         $maxbytes = get_max_upload_file_size($CFG->maxbytes, $COURSE->maxbytes);
  26
  27         if (!empty($CFG->gdversion) and $maxbytes) {
  28             $options = array(get_string('no'), get_string('yes'));
  29             $mform->addElement('select', 'hidepicture', get_string('hidepicture'), $options);
  30
  31             $this->set_upload_manager(new upload_manager('imagefile', false, false, null, false, 0, true, true, false));
  32             $mform->addElement('file', 'imagefile', get_string('newpicture', 'group'));
  33             $mform->setHelpButton('imagefile', array ('picture', get_string('helppicture')), true);
  34         }
  35
  36         $mform->addElement('hidden','id');
  37         $mform->setType('id', PARAM_INT);
  38
  39         $mform->addElement('hidden','courseid');
  40         $mform->setType('courseid', PARAM_INT);
  41
  42         $this->add_action_buttons();
  43     }
  44
  45     function validation($data, $files) {
  46         global $COURSE;
  47
  48         $errors = parent::validation($data, $files);
  49
  50         $name = trim(stripslashes($data['name']));
  51         if ($data['id'] and $group = get_record('groups', 'id', $data['id'])) {
  52             if ($group->name != $name) {
  53                 if (groups_get_group_by_name($COURSE->id,  $name)) {
  54                     $errors['name'] = get_string('groupnameexists', 'group', $name);
  55                 }
  56             }
  57
  58         } else if (groups_get_group_by_name($COURSE->id, $name)) {
  59             $errors['name'] = get_string('groupnameexists', 'group', $name);
  60         }
  61
  62         return $errors;
  63     }
  64
  65     function get_um() {
  66         return $this->_upload_manager;
  67     }
  68 }
  69
  70 ?>