/**
  * Delete links
  * @return 
  */
 protected function deleteLinks()
 {
     global $ilCtrl;
     $this->checkPermission('write');
     include_once './Modules/WebResource/classes/class.ilLinkResourceItems.php';
     $links = new ilLinkResourceItems($this->object->getId());
     foreach ($_POST['link_ids'] as $link_id) {
         $links->delete($link_id);
     }
     ilUtil::sendSuccess($this->lng->txt('webr_deleted_items'), true);
     $ilCtrl->redirect($this, 'view');
 }