public function getFiles()
 {
     /** Should we cached find result? */
     $files = $this->mediaManager->find($this->fileFilter);
     if ($files instanceof IFile) {
         //just single file
         return [$files];
     } else {
         return $files;
     }
 }
 public function render()
 {
     $this->template->setFile(__DIR__ . DS . 'templates' . DS . 'grid.latte');
     $this->template->mediaManager = $this->mediaManager;
     try {
         $this->template->files = $this->mediaManager->find($this->currentFilter);
     } catch (\vojtabiberle\MediaStorage\Exceptions\FileNotFoundException $e) {
         $this->template->files = [];
     }
     $this->template->render();
 }