vendor/symfony/form/Symfony/Component/Form/Extension/Validator/ValidatorExtension.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;
  13
  14 use Symfony\Component\Form\Extension\Validator\Type;
  15 use Symfony\Component\Form\Extension\Validator\Constraints\Form;
  16 use Symfony\Component\Form\AbstractExtension;
  17 use Symfony\Component\Validator\ValidatorInterface;
  18 use Symfony\Component\Validator\Constraints\Valid;
  19
  20 /**
  21  * Extension supporting the Symfony2 Validator component in forms.
  22  *
  23  * @author Bernhard Schussek <bschussek@gmail.com>
  24  */
  25 class ValidatorExtension extends AbstractExtension
  26 {
  27     private $validator;
  28
  29     public function __construct(ValidatorInterface $validator)
  30     {
  31         $this->validator = $validator;
  32
  33         // Register the form constraints in the validator programmatically.
  34         // This functionality is required when using the Form component without
  35         // the DIC, where the XML file is loaded automatically. Thus the following
  36         // code must be kept synchronized with validation.xml
  37
  38         /** @var \Symfony\Component\Validator\Mapping\ClassMetadata $metadata */
  39         $metadata = $this->validator->getMetadataFactory()->getMetadataFor('Symfony\Component\Form\Form');
  40         $metadata->addConstraint(new Form());
  41         $metadata->addPropertyConstraint('children', new Valid());
  42     }
  43
  44     public function loadTypeGuesser()
  45     {
  46         return new ValidatorTypeGuesser($this->validator->getMetadataFactory());
  47     }
  48
  49     protected function loadTypeExtensions()
  50     {
  51         return array(
  52             new Type\FormTypeValidatorExtension($this->validator),
  53             new Type\RepeatedTypeValidatorExtension(),
  54             new Type\SubmitTypeValidatorExtension(),
  55         );
  56     }
  57 }