vendor/symfony/form/Extension/Validator/EventListener/ValidationListener.php line 50

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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;
  28.     private $violationMapper;
  30.     /**
  31.      * {@inheritdoc}
  32.      */
  33.     public static function getSubscribedEvents()
  34.     {
  35.         return [FormEvents::POST_SUBMIT => 'validateForm'];
  36.     }
  38.     public function __construct(ValidatorInterface $validator, ViolationMapperInterface $violationMapper)
  39.     {
  40.         $this->validator = $validator;
  41.         $this->violationMapper = $violationMapper;
  42.     }
  44.     public function validateForm(FormEvent $event)
  45.     {
  46.         $form = $event->getForm();
  48.         if ($form->isRoot()) {
  49.             // Form groups are validated internally (FormValidator). Here we don't set groups as they are retrieved into the validator.
  50.             foreach ($this->validator->validate($form) as $violation) {
  51.                 // Allow the "invalid" constraint to be put onto
  52.                 // non-synchronized forms
  53.                 $allowNonSynchronized = $violation->getConstraint() instanceof Form && Form::NOT_SYNCHRONIZED_ERROR === $violation->getCode();
  55.                 $this->violationMapper->mapViolation($violation, $form, $allowNonSynchronized);
  56.             }
  57.         }
  58.     }
  59. }