gistfile1.phtml

<!--
Source is here: https://gist.github.com/nclavaud/1386997
But I made some changes.
-->
<?php
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilder;
use Symfony\Component\Form\FormFactory;
use Symfony\Component\Form\Extension\Core\CoreExtension;
 
use Symfony\Component\EventDispatcher\EventDispatcher;
 
use Symfony\Component\Templating\TemplateNameParser;
use Symfony\Component\Templating\TemplateNameParserInterface;
use Symfony\Component\Templating\TemplateReference;
use Symfony\Component\Templating\Loader\FilesystemLoader;
use Symfony\Component\Templating\PhpEngine;
 
use Symfony\Component\Translation\MessageSelector;
use Symfony\Component\Translation\Translator;
use Symfony\Component\Translation\TranslatorInterface;
 
use Symfony\Bundle\FrameworkBundle\Templating\Helper\FormHelper;
use Symfony\Bundle\FrameworkBundle\Templating\Helper\TranslatorHelper;
 
// validation
use Symfony\Component\Form\Extension\Validator\ValidatorExtension;
use Symfony\Component\Validator\Validator;
use Symfony\Component\Validator\Mapping\ClassMetadata;
use Symfony\Component\Validator\Mapping\ClassMetadataFactory;
use Symfony\Component\Validator\Mapping\Loader\StaticMethodLoader;
use Symfony\Component\Validator\ConstraintValidatorFactory;
use Symfony\Component\Validator\Constraints as Constraints;

/**
 * Parameters
 */
$locale = 'ru';
 
/**
 * Entity
 */
class Message
{
 
    public $sender;
    public $recipient;
    public $message;
 
    // validation
    public static function loadValidatorMetadata(ClassMetadata $metadata)
    {
      $metadata->addPropertyConstraint('sender', new Constraints\NotBlank());
      $metadata->addPropertyConstraint('sender', new Constraints\Email());
      $metadata->addPropertyConstraint('recipient', new Constraints\NotBlank());
      $metadata->addPropertyConstraint('recipient', new Constraints\Email());
      $metadata->addPropertyConstraint('message', new Constraints\NotBlank());
      $metadata->addPropertyConstraint('message', new Constraints\MinLength(10));
    }
 
}
 
/**
 * Form Class
 * @see http://symfony.com/doc/2.0/book/forms.html#creating-form-classes
 */
class MessageType extends AbstractType
{
 
  public function buildForm(\Symfony\Component\Form\FormBuilderInterface $builder, array $options)
  {
      $builder
        ->add('sender', 'email')
        ->add('recipient', 'email')
        ->add('message', 'textarea');
  }
 
  public function getName()
  {
      return 'message';
  }
 
  public function getDefaultOptions(array $options)
  {
      return array(
          'data_class' => 'Me\MyApp\Message',
      );
  }
 
}
 
/**
 * Template name parser
 * @see Symfony\Bundle\FrameworkBundle\Tests\Templating\Helper\Fixtures\StubTemplateNameParser
 *
 * Needed to load the templates used for rendering form items.
 */
class StubTemplateNameParser implements TemplateNameParserInterface
{
    private $root;
 
    private $rootTheme;
 
    public function __construct($root, $rootTheme)
    {
        $this->root = $root;
        $this->rootTheme = $rootTheme;
    }
 
    public function parse($name)
    {
 
      list($bundle, $controller, $template) = explode(':', $name);
 
      if ($template[0] == '_') {
          $path = $this->rootTheme.'/Custom/'.$template;
      } elseif ($bundle === 'TestBundle') {
          $path = $this->rootTheme.'/'.$controller.'/'.$template;
      } else {
          $path = $this->root.'/'.$controller.'/'.$template;
      }
 
      return new TemplateReference($path, 'php');
 
    }
}
 
/**
 * Create an entity
 */
$message = new Message();
$message->sender = 'nclavaud@gmail.com';
 
/**
 * Build a form from a form factory
 */

$form_factory = \Symfony\Component\Form\Forms::createFormFactoryBuilder()
			->addExtension(new ValidatorExtension(
		        new Validator(
		            new ClassMetadataFactory(
		                new StaticMethodLoader()
		            ),
		            new ConstraintValidatorFactory(),
		            new Translator($locale, new MessageSelector())
		        )
		    ))
			->addExtension(new \Symfony\Component\Form\Extension\Core\CoreExtension())
			->getFormFactory();

$form = $form_factory->create(new MessageType(), $message);
 
/**
 * Create a PHP template engine
 */
$root = realpath(ENGINE_PATH.'vendor/symfony/framework-bundle/Symfony/Bundle/FrameworkBundle/Resources/views');
$rootTheme = realpath(ENGINE_PATH.'vendor/symfony/framework-bundle/Symfony/Bundle/FrameworkBundle/Resources');
$templateNameParser = new StubTemplateNameParser($root, $rootTheme);
$loader = new FilesystemLoader(array());
$engine = new PhpEngine($templateNameParser, $loader);
 
/**
 * This helper will help rendering form items
 */
$form_helper = new FormHelper(
	new \Symfony\Component\Form\FormRenderer(
		new Symfony\Component\Form\Extension\Templating\TemplatingRendererEngine(
			$engine, 
			array('FrameworkBundle:Form'))
		), 
	array('FrameworkBundle:Form')
);
 
/**
 * Bind it to the engine
 */
$engine->setHelpers(array(
    $form_helper,
    new TranslatorHelper(new Translator($locale, new MessageSelector())),
));
 
/**
 * Bind submitted data
 */
$submitted = false;
$valid = null;
if (isset($_POST[$form->getName()])) {
    $form->bind($_POST[$form->getName()]);
    $submitted = true;
    // validation
    if ($valid = $form->isValid()) {
        // you may want to redirect at this state
    }
}
 
/**
 * Create the form view
 */
$form_view = $form->createView();
 
/**
 * Now, it's time to render HTML!
 */
?>

<form action="" method="post"
    <?php print $form_helper->enctype($form_view) ?>
    novalidate="novalidate">
    <?php print $form_helper->widget($form_view) ?></div>
    <input type="submit" />
</form>

<?php if ($submitted && $valid) : ?>
<p><strong>Submitted form is valid.</strong></p>
<?php endif; ?>

<p><em>Message object:</em></p>
<pre><?php print print_r($message, true); ?></pre>