33                global 
$lng, $ilAccess, 
$tpl, $ilNavigationHistory;
 
   35                $cmd = $this->ctrl->getCmd();
 
   36                $next_class = $this->ctrl->getNextClass($this);
 
   37                if ($next_class == 
"")
 
   39                        $this->ctrl->setCmdClass(
"ilobjexercisegui");
 
   40                        $next_class = $this->ctrl->getNextClass($this);
 
   44                if ($ilAccess->checkAccess(
"read", 
"", 
$_GET[
"ref_id"]))
 
   46                        $ilNavigationHistory->addItem(
$_GET[
"ref_id"],
 
   47                                "ilias.php?baseClass=ilExerciseHandlerGUI&cmd=showOverview&ref_id=".
$_GET[
"ref_id"], 
"exc");
 
   52                        case 'ilobjexercisegui':
 
   53                                require_once 
"./Modules/Exercise/classes/class.ilObjExerciseGUI.php";
 
   55                                $this->ctrl->forwardCommand($ex_gui);
 
An exception for terminatinating execution or to throw for unit testing.
Handles user interface for exercises.
executeCommand()
execute command