* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Form\Extension\Validator; use Symfony\Component\Form\Extension\Validator\Constraints\Form; use Symfony\Component\Form\AbstractExtension; use Symfony\Component\Validator\ValidatorInterface; use Symfony\Component\Validator\Constraints\Valid; /** * Extension supporting the Symfony2 Validator component in forms. * * @author Bernhard Schussek */ class ValidatorExtension extends AbstractExtension { private $validator; public function __construct(ValidatorInterface $validator) { $this->validator = $validator; // Register the form constraints in the validator programmatically. // This functionality is required when using the Form component without // the DIC, where the XML file is loaded automatically. Thus the following // code must be kept synchronized with validation.xml /** @var \Symfony\Component\Validator\Mapping\ClassMetadata $metadata */ $metadata = $this->validator->getMetadataFactory()->getMetadataFor('Symfony\Component\Form\Form'); $metadata->addConstraint(new Form()); $metadata->addPropertyConstraint('children', new Valid()); } public function loadTypeGuesser() { return new ValidatorTypeGuesser($this->validator->getMetadataFactory()); } protected function loadTypeExtensions() { return array( new Type\FormTypeValidatorExtension($this->validator), new Type\RepeatedTypeValidatorExtension(), new Type\SubmitTypeValidatorExtension(), ); } }