/**
* {@inheritdoc}
*
* @see Symfony\Component\Form.AbstractTypeExtension::buildForm()
*/
public function buildForm(FormBuilderInterface $builder, array $options)
{
$dataClass = $builder->getDataClass();
$subscriber = new AddIdentifierSubscriber($builder->getFormFactory(), $this->getJsfv());
$builder->addEventSubscriber($subscriber);
if (!empty($options['validation_groups'])) {
$builder->setAttribute('validation_groups', $options['validation_groups']);
}
if ($dataClass !== null) {
$builder->setAttribute('data_class', $dataClass);
}
}