vendor/symfony/form/Extension/Validator/EventListener/ValidationListener.php line 49

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  1. <?php
  3. /*
  4.  * This file is part of the Symfony package.
  5.  *
  6.  * (c) Fabien Potencier <fabien@symfony.com>
  7.  *
  8.  * For the full copyright and license information, please view the LICENSE
  9.  * file that was distributed with this source code.
  10.  */
  12. namespace Symfony\Component\Form\Extension\Validator\EventListener;
  14. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  15. use Symfony\Component\Form\Extension\Validator\Constraints\Form;
  16. use Symfony\Component\Form\Extension\Validator\ViolationMapper\ViolationMapperInterface;
  17. use Symfony\Component\Form\FormEvent;
  18. use Symfony\Component\Form\FormEvents;
  19. use Symfony\Component\Validator\Validator\ValidatorInterface;
  21. /**
  22.  * @author Bernhard Schussek <bschussek@gmail.com>
  23.  */
  24. class ValidationListener implements EventSubscriberInterface
  25. {
  26.     private $validator;
  27.     private $violationMapper;
  29.     /**
  30.      * {@inheritdoc}
  31.      */
  32.     public static function getSubscribedEvents(): array
  33.     {
  34.         return [FormEvents::POST_SUBMIT => 'validateForm'];
  35.     }
  37.     public function __construct(ValidatorInterface $validator, ViolationMapperInterface $violationMapper)
  38.     {
  39.         $this->validator = $validator;
  40.         $this->violationMapper = $violationMapper;
  41.     }
  43.     public function validateForm(FormEvent $event)
  44.     {
  45.         $form = $event->getForm();
  47.         if ($form->isRoot()) {
  48.             // Form groups are validated internally (FormValidator). Here we don't set groups as they are retrieved into the validator.
  49.             foreach ($this->validator->validate($form) as $violation) {
  50.                 // Allow the "invalid" constraint to be put onto
  51.                 // non-synchronized forms
  52.                 $allowNonSynchronized = $violation->getConstraint() instanceof Form && Form::NOT_SYNCHRONIZED_ERROR === $violation->getCode();
  54.                 $this->violationMapper->mapViolation($violation, $form, $allowNonSynchronized);
  55.             }
  56.         }
  57.     }
  58. }