18                global 
$ilCtrl, 
$lng, $ilAccess, $ilias, $ilNavigationHistory;
 
   30                global 
$lng, $ilAccess, 
$tpl, $ilNavigationHistory;
 
   32                $cmd = $this->ctrl->getCmd();
 
   33                $next_class = $this->ctrl->getNextClass($this);
 
   34                if ($next_class == 
"")
 
   36                        $this->ctrl->setCmdClass(
"ilobjmediacastgui");
 
   37                        $next_class = $this->ctrl->getNextClass($this);
 
   41                if ($ilAccess->checkAccess(
"read", 
"", 
$_GET[
"ref_id"]))
 
   43                        $ilNavigationHistory->addItem(
$_GET[
"ref_id"],
 
   44                                "ilias.php?baseClass=ilMediaCastHandlerGUI&cmd=listItems&ref_id=".
$_GET[
"ref_id"], 
"mcst");
 
   49                        case 'ilobjmediacastgui':
 
   50                                require_once 
"./Modules/MediaCast/classes/class.ilObjMediaCastGUI.php";
 
   52                                $this->ctrl->forwardCommand($mc_gui);