function getFileDetails($file)
 {
     $browser = $this->getBrowser();
     $filesystem = $browser->getFileSystem();
     // get array with folder date and content count eg: array('date'=>'00-00-000', 'folders'=>1, 'files'=>2);
     $details = $filesystem->getFileDetails($file);
     $data = array('size' => WFUtility::formatSize($details['size']), 'date' => WFUtility::formatDate($details['modified'], $this->getParam('filemanager.date_format', '%d/%m/%Y, %H:%M')));
     return $data;
 }