function setTabs()
 {
     global $tpl, $lng;
     parent::setTabs();
     $tpl->setTitleIcon(ilUtil::getImagePath("icon_seqc_b.png"));
     $tpl->setTitle($lng->txt("sahs_chapter") . ": " . $this->node_object->getTitle());
 }
 /**
  * execute command
  */
 function executeCommand()
 {
     global $ilAccess, $ilCtrl, $tpl, $ilTabs, $lng;
     $next_class = $ilCtrl->getNextClass($this);
     $cmd = $ilCtrl->getCmd();
     if ($this->object->getEditable() && $cmd != "showEditTree") {
         $this->showEditTree();
     }
     // update expander
     include_once "./Modules/Scorm2004/classes/class.ilSCORM2004OrganizationHFormGUI.php";
     $form_gui = new ilSCORM2004OrganizationHFormGUI();
     $form_gui->setTree($this->getEditTree());
     $form_gui->updateExpanded();
     switch ($next_class) {
         // notes
         case "ilnotegui":
             $this->getTemplate();
             $this->setLocator();
             $this->setTabs();
             switch ($_GET["notes_mode"]) {
                 default:
                     $ilTabs->setTabActive("sahs_organization");
                     return $this->showOrganization();
             }
             break;
             // chapters
         // chapters
         case "ilscorm2004chaptergui":
             include_once "./Modules/Scorm2004/classes/class.ilSCORM2004ChapterGUI.php";
             $chap_gui = new ilSCORM2004ChapterGUI($this->object, $_GET["obj_id"]);
             $chap_gui->setParentGUI($this);
             return $ilCtrl->forwardCommand($chap_gui);
             // sequencing chapters
         // sequencing chapters
         case "ilscorm2004seqchaptergui":
             include_once "./Modules/Scorm2004/classes/class.ilSCORM2004SeqChapterGUI.php";
             $chap_gui = new ilSCORM2004SeqChapterGUI($this->object, $_GET["obj_id"]);
             $chap_gui->setParentGUI($this);
             return $ilCtrl->forwardCommand($chap_gui);
             // scos
         // scos
         case "ilscorm2004scogui":
             include_once "./Modules/Scorm2004/classes/class.ilSCORM2004ScoGUI.php";
             $sco_gui = new ilSCORM2004ScoGUI($this->object, $_GET["obj_id"]);
             $sco_gui->setParentGUI($this);
             return $ilCtrl->forwardCommand($sco_gui);
             // assets
         // assets
         case "ilscorm2004assetgui":
             include_once "./Modules/Scorm2004/classes/class.ilSCORM2004AssetGUI.php";
             $ass_gui = new ilSCORM2004AssetGUI($this->object, $_GET["obj_id"]);
             $ass_gui->setParentGUI($this);
             return $ilCtrl->forwardCommand($ass_gui);
             // pages
         // pages
         case "ilscorm2004pagenodegui":
             include_once "./Modules/Scorm2004/classes/class.ilSCORM2004PageNodeGUI.php";
             $page_gui = new ilSCORM2004PageNodeGUI($this->object, $_GET["obj_id"]);
             $page_gui->setParentGUI($this);
             $ilCtrl->forwardCommand($page_gui);
             break;
         default:
             parent::executeCommand();
             $this->addHeaderAction();
             break;
     }
 }