/**
* {@inheritdoc}
*/
public function buildForm(FormBuilderInterface $builder, array $options)
{
parent::buildForm($builder, $options);
$builder->add('requirement', 'choice', array('label' => 'Requirement', 'choices' => Attribute::getRequirementLabels(), 'expanded' => true))->add('filter', 'choice', array('label' => 'Filter', 'choices' => Attribute::getFilterLabels()))->addEventSubscriber(new FrontendWidgetFormSubscriber())->addEventSubscriber(new BackendWidgetFormSubscriber());
}
