protected function fileName() {

		$filename = basename( get_attached_file( $this->post->ID ) );

		if ( $filename ) {

			$filename = sprintf(
				'<a href="%s">%s</a>',
				esc_url( wp_get_attachment_url( $this->post->ID ) ),
				$filename
			);
		}

		return $filename;
	}