protected function renderAdditionalActions(class_model $objListEntry)
 {
     $arrReturn = array();
     if ($objListEntry instanceof class_module_navigation_tree) {
         if (validateSystemid($objListEntry->getStrFolderId())) {
             $arrReturn[] = $this->objToolkit->listButton(getImageAdmin("icon_treeBranchOpenDisabled", $this->getLang("navigation_show_disabled")));
         } else {
             $arrReturn[] = $this->objToolkit->listButton(class_link::getLinkAdmin($this->getArrModule("modul"), "list", "&systemid=" . $objListEntry->getSystemid() . $this->strPeAddon, "", $this->getLang("navigation_anzeigen"), "icon_treeBranchOpen"));
         }
     }
     if ($objListEntry instanceof class_module_navigation_point) {
         $arrReturn[] = $this->objToolkit->listButton(class_link::getLinkAdmin("navigation", "list", "&systemid=" . $objListEntry->getSystemid() . $this->strPeAddon, "", $this->getLang("navigationp_anzeigen"), "icon_treeBranchOpen"));
     }
     return $arrReturn;
 }