/**
  * Remove the specified resource from storage.
  *
  * @param  int  $id
  * @return Response
  */
 public function destroy($id)
 {
     // delete
     $navigation = Nav::find($id);
     if (empty($navigation)) {
         return Redirect::to('admin/navigation')->with('success', Lang::get('admin.navigation_notfind'));
     }
     //delete all translation
     foreach ($navigation->i18n()->translations() as $translation) {
         if (!$translation->delete()) {
             return Redirect::to('admin/navigation')->with('error', Lang::get('admin.navigation_translation_delete_fail'));
         }
     }
     //equilibrate branche
     //here equilibrate orders of menu !
     //if parentid = 0, set all else other !
     $navigations = Nav::where('parent_id', $navigation->parent_id)->where('id', '<>', $navigation->id)->orderBy('order', 'ASC')->get();
     for ($count_navigation = count($navigations), $i = 0; $i < $count_navigation; $i++) {
         $navigations[$i]->order = $i + 1;
         $navigations[$i]->save();
     }
     //delete children if exists
     foreach ($navigation->children() as $child) {
         $child->delete();
     }
     // delete
     if ($navigation->delete()) {
         //track user
         parent::track('delete', 'Navigation', $navigation->id);
         Cache::forget('DB_Nav');
         return Redirect::to('admin/navigation')->with('success', Lang::get('admin.navigation_delete_success'));
     }
     return Redirect::to('admin/navigation')->with('success', Lang::get('admin.navigation_delete_fail'));
 }