/
FileType.php
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/
FileType.php
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Form\Extension\Core\Type;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormInterface;
use Symfony\Component\Form\FormBuilder;
use Symfony\Component\Form\FormFactoryInterface;
use Symfony\Component\Form\Extension\Core\EventListener\FixFileUploadListener;
use Symfony\Component\Form\Extension\Core\DataTransformer\DataTransformerChain;
use Symfony\Component\Form\ReversedTransformer;
use Symfony\Component\Form\Extension\Core\DataTransformer\FileToStringTransformer;
use Symfony\Component\Form\Extension\Core\DataTransformer\FileToArrayTransformer;
use Symfony\Component\Form\FormView;
use Symfony\Component\HttpFoundation\File\TemporaryStorage;
class FileType extends AbstractType
{
private $storage;
public function __construct(TemporaryStorage $storage)
{
$this->storage = $storage;
}
public function buildForm(FormBuilder $builder, array $options)
{
if ($options['type'] === 'string') {
$builder->appendNormTransformer(
new ReversedTransformer(new FileToStringTransformer())
);
}
$builder
->appendNormTransformer(new FileToArrayTransformer())
->addEventSubscriber(new FixFileUploadListener($this->storage), 10)
->add('file', 'field')
->add('token', 'hidden')
->add('name', 'hidden')
->add('originalName', 'hidden');
}
public function buildViewBottomUp(FormView $view, FormInterface $form)
{
$view->set('multipart', true);
$view['file']->set('type', 'file');
}
public function getDefaultOptions(array $options)
{
return array(
'type' => 'string',
'csrf_protection' => false,
);
}
public function getName()
{
return 'file';
}
}