/**
  * @see	\wcf\page\IPage::checkPermissions()
  */
 public function checkPermissions()
 {
     parent::checkPermissions();
     if (!$this->entry->canEdit()) {
         throw new PermissionDeniedException();
     }
 }
 /**
  * @see	\wcf\system\attachment\IAttachmentObjectType::canDelete()
  */
 public function canDelete($objectID)
 {
     if ($objectID) {
         $entry = new Entry($objectID);
         if ($entry->canEdit()) {
             return true;
         }
     }
     return false;
 }