/**
*
* Uses the chain locale object to get translations before falling back
* to this object for locale.
*
* @param string $key The translation key, typically a validation method
* name.
*
* @return string
*
*/
protected function _chainLocale($key)
{
// the translated message; default to the translation key.
$msg = $key;
// if we have a locale object, get a message from it
if ($this->_chain_locale_object) {
// try to translate
$msg = $this->_chain_locale_object->locale($key);
// if the key failed to translate, fall back to the
// translations from $this, but only if $this wasn't
// the source to begin with.
$failed = $msg === null || $msg == $key;
if ($failed && $this != $this->_chain_locale_object) {
$msg = $this->locale($key);
}
}
// done
return $msg;
}
