/**
  * Parse user data
  * @param array $a_user_data
  * @return 
  */
 public function parse($part)
 {
     include_once './Services/User/classes/class.ilUserQuery.php';
     $usr_data = ilUserQuery::getUserListData('login', 'ASC', 0, 9999, '', '', null, false, false, 0, 0, null, array(), $part);
     $locked = ilViteroLockedUser::getLockedAccounts($this->getVGroupId());
     $users = array();
     foreach ((array) $usr_data['set'] as $key => $usr) {
         if (in_array($usr['usr_id'], (array) $locked)) {
             $usr['locked'] = 1;
         } else {
             $usr['locked'] = 0;
         }
         $users[] = $usr;
     }
     return $this->setData((array) $users);
 }