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<?php
namespace Braunstetter\ValidFormEvent\Form\EventSubscriber;
use Braunstetter\ValidFormEvent\Form\Event\ValidFormEvent;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\Form\ButtonBuilder;
use Symfony\Component\Form\FormEvent;
use Symfony\Component\Form\FormInterface;
class PropagateValidFormEventSubscriber implements EventSubscriberInterface
{
/**
* @inheritDoc
*/
public static function getSubscribedEvents(): array
return array(
ValidFormEvent::NAME => 'onFormValid',
);
}
public function onFormValid(ValidFormEvent $event)
if ($event->getCurrentForm() === null) {
$this->dispatchOnChildren($event->getForm(), $event);
private function dispatchOnChildren(FormInterface $form, FormEvent $rootEvent)
foreach ($form as $child) {
if ($child->getConfig() instanceof ButtonBuilder) {
continue;
/** @var $child FormInterface */
$eventDispatcher = $child->getConfig()->getEventDispatcher();
$eventDispatcher->dispatch(new ValidFormEvent($rootEvent->getForm(), $rootEvent->getData(), $child), ValidFormEvent::NAME);
$this->dispatchOnChildren($child, $rootEvent);
Braunstetter /
valid-form-event
