/**
* @return \Nano\Form
* @param string $field
* @param \Nano\Validator $validator
* @param string $message
*
* @throws \Nano\Exception
*/
public function addValidator($field, \Nano\Validator $validator, $message = null)
{
$this->invalidate();
if (isset($this->validators[$field])) {
throw new \Nano\Exception('Validator for field "' . $field . '" already defined');
}
if (null !== $message) {
$validator->setMessage($message);
}
$this->validators[$field] = $validator;
return $this;
}
/**
* @return \Nano\Validator\Composite
* @param \Nano\Validator $validator
* @param string|null $message
*/
public function append(\Nano\Validator $validator, $message = null)
{
$validator->setMessage($message);
$this->validators[] = $validator;
return $this;
}
