public function validate(CM_Frontend_Environment $environment, $userInput)
{
if (!$this->_tree->findNodeById($userInput)) {
throw new CM_Exception_FormFieldValidation(new CM_I18n_Phrase('Invalid value'));
}
return $userInput;
}
/**
* @param string $languageKey
* @throws CM_Exception_Invalid
*/
private function _addLanguageNode($languageKey)
{
if (!preg_match('#^(.*)\\.([^\\.]+)$#', $languageKey, $matches)) {
throw new CM_Exception_Invalid('Invalid Language Key found: `' . $languageKey . '`');
}
list($id, $parentId, $name) = $matches;
if ($parentId && !array_key_exists($parentId, $this->_nodesTmp)) {
$this->_addLanguageNode($parentId);
}
if (!$parentId) {
$parentId = $this->_rootId;
}
parent::_addNode($id, $name, $parentId);
}
