public function getFileDisplayName()
    {
        $base = str_replace(DIRECTORY_SEPARATOR, '/', DIR_BASE);
        if (strpos($this->filename, $base) === 0) {
            $path = substr($this->filename, strlen($base) + 1);
        } else {
            $path = $this->filename;
        }

        return str_replace('/', DIRECTORY_SEPARATOR, $path);
    }