vendor/symfony/form/Symfony/Component/Form/Extension/Validator/EventListener/ValidationListener.php

   1 <?php
   2
   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  */
  11
  12 namespace Symfony\Component\Form\Extension\Validator\EventListener;
  13
  14 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  15 use Symfony\Component\Form\Extension\Validator\ViolationMapper\ViolationMapperInterface;
  16 use Symfony\Component\Validator\ValidatorInterface;
  17 use Symfony\Component\Form\FormEvents;
  18 use Symfony\Component\Form\FormEvent;
  19 use Symfony\Component\Form\Extension\Validator\Constraints\Form;
  20
  21 /**
  22  * @author Bernhard Schussek <bschussek@gmail.com>
  23  */
  24 class ValidationListener implements EventSubscriberInterface
  25 {
  26     private $validator;
  27
  28     private $violationMapper;
  29
  30     /**
  31      * {@inheritdoc}
  32      */
  33     public static function getSubscribedEvents()
  34     {
  35         return array(FormEvents::POST_SUBMIT => 'validateForm');
  36     }
  37
  38     public function __construct(ValidatorInterface $validator, ViolationMapperInterface $violationMapper)
  39     {
  40         $this->validator = $validator;
  41         $this->violationMapper = $violationMapper;
  42     }
  43
  44     /**
  45      * Validates the form and its domain object.
  46      *
  47      * @param FormEvent $event The event object
  48      */
  49     public function validateForm(FormEvent $event)
  50     {
  51         $form = $event->getForm();
  52
  53         if ($form->isRoot()) {
  54             // Validate the form in group "Default"
  55             $violations = $this->validator->validate($form);
  56
  57             if (count($violations) > 0) {
  58                 foreach ($violations as $violation) {
  59                     // Allow the "invalid" constraint to be put onto
  60                     // non-synchronized forms
  61                     $allowNonSynchronized = Form::ERR_INVALID === $violation->getCode();
  62
  63                     $this->violationMapper->mapViolation($violation, $form, $allowNonSynchronized);
  64                 }
  65             }
  66         }
  67     }
  68 }