BaseTemplate::checkValue

public function checkValue($value, $key, $item, array $parameters = array())
{
	if(parent::checkValue($value, $key, $item, $parameters))
	{
		$id = $item->getId();
		if($id)
		{
			$aResult = Dependence::canAttach($id, $value);
			if(!$aResult->isSuccess())
			{
				$result = static::obtainResultInstance($parameters);
				if($result)
				{
					$result->adoptErrors($aResult);
				}

				return false;
			}
		}

		return true;
	}

	return false;
}