/**
* Translate an attribute id under specified group.
*
* @param string $group
* @param string $default
*
* @return string
*/
protected function translate($group = null, $default = null)
{
$key = $this->id;
if ($group !== null) {
$key = "{$group}.{$key}";
}
return $this->entity->translate($key, $default);
}
