public function renameFolder()
 {
     if (Auth::guest()) {
         return Redirect::to('/');
     }
     $this->ViewTemplate['title'] .= ' - ' . Auth::user()->username;
     $this->ViewTemplate['folder_id'] = Folder::getRootId();
     $data = ['folder_id' => Request::input('rename_folder_id'), 'folder_name' => Request::input('new_folder_name')];
     Folder::renameFolder($data);
     if ($this->ViewTemplate['folder_id'] == Request::input('rename_folder_in_id')) {
         return Redirect::to('/');
     } else {
         return Redirect::to('/id/' . Request::input('rename_folder_in_id'));
     }
 }