protected function _getValueForStringBase($data = null, $returnTableRow = true) {
		$result = $this->ViewExtension->showEmpty($data);

		return $result;
	}
protected function _getValueForStringBase($data = null, $returnTableRow = true) {
		$result = $this->ViewExtension->showEmpty($data);

		return $result;
	}
protected function _getValueForStringBase ( $ data = null , $ returnTableRow = true ) { $ result = $ this -> ViewExtension -> showEmpty ( $ data ) ; return $ result ; }
Return string with value, if value is not empty. Otherwise `Empty message`.

@param string $data Data for checking empty.
@param bool $returnTableRow [optional] Unused - backward compatibility.
@return string Return value or `Empty message`.
Return string with value if value is not empty . Otherwise Empty message .