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<?php
namespace Vich\UploaderBundle\Form\Type;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\Extension\Core\Type;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\Form\FormEvent;
use Symfony\Component\Form\FormEvents;
use Symfony\Component\Form\FormInterface;
use Symfony\Component\Form\FormView;
use Symfony\Component\OptionsResolver\Options;
use Symfony\Component\OptionsResolver\OptionsResolver;
use Symfony\Component\PropertyAccess\PropertyAccess;
use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
use Symfony\Component\PropertyAccess\PropertyPath;
use Vich\UploaderBundle\Form\DataTransformer\FileTransformer;
use Vich\UploaderBundle\Handler\UploadHandler;
use Vich\UploaderBundle\Mapping\PropertyMappingFactory;
use Vich\UploaderBundle\Storage\StorageInterface;
/**
* @author Kévin Gomez <contact@kevingomez.fr>
* @author Konstantin Myakshin <koc-dp@yandex.ru>
* @author Massimiliano Arione <max.arione@gmail.com>
*/
class VichFileType extends AbstractType
{
/**
* @var StorageInterface
*/
protected $storage;
/**
* @var UploadHandler
*/
protected $handler;
/**
* @var PropertyMappingFactory
*/
protected $factory;
/**
* @var PropertyAccessorInterface
*/
protected $propertyAccessor;
public function __construct(
StorageInterface $storage,
UploadHandler $handler,
PropertyMappingFactory $factory,
PropertyAccessorInterface $propertyAccessor = null
) {
$this->storage = $storage;
$this->handler = $handler;
$this->factory = $factory;
$this->propertyAccessor = $propertyAccessor ?: PropertyAccess::createPropertyAccessor();
}
public function configureOptions(OptionsResolver $resolver): void
{
$resolver->setDefaults([
'allow_delete' => true,
'asset_helper' => false,
'download_link' => null,
'download_uri' => true,
'download_label' => 'vich_uploader.link.download',
'delete_label' => 'vich_uploader.form_label.delete_confirm',
'error_bubbling' => false,
]);
$resolver->setAllowedTypes('allow_delete', 'bool');
$resolver->setAllowedTypes('asset_helper', 'bool');
$resolver->setAllowedTypes('download_link', ['null', 'bool']);
$resolver->setAllowedTypes('download_uri', ['bool', 'string', 'callable']);
$resolver->setAllowedTypes('download_label', ['bool', 'string', 'callable', PropertyPath::class]);
$resolver->setAllowedTypes('error_bubbling', 'bool');
$downloadUriNormalizer = static function (Options $options, $downloadUri) {
if (null !== $options['download_link']) {
@\trigger_error('The "download_link" option is deprecated since version 1.6 and will be removed in 2.0. You should use "download_uri" instead.', \E_USER_DEPRECATED);
return $options['download_link'];
}
return $downloadUri;
};
$resolver->setNormalizer('download_uri', $downloadUriNormalizer);
}
public function buildForm(FormBuilderInterface $builder, array $options): void
{
$builder->add('file', Type\FileType::class, [
'required' => $options['required'],
'label' => $options['label'],
'attr' => $options['attr'],
'translation_domain' => $options['translation_domain'],
]);
$builder->addModelTransformer(new FileTransformer());
if ($options['allow_delete']) {
$this->buildDeleteField($builder, $options);
}
}
protected function buildDeleteField(FormBuilderInterface $builder, array $options): void
{
// add delete only if there is a file
$builder->addEventListener(FormEvents::PRE_SET_DATA, function (FormEvent $event) use ($options): void {
$form = $event->getForm();
$parent = $form->getParent();
// no object: no delete button
if (null === $parent) {
return;
}
$object = $parent->getData();
// no object or no uploaded file: no delete button
if (null === $object || null === $this->storage->resolveUri($object, $this->getFieldName($form))) {
return;
}
$form->add('delete', Type\CheckboxType::class, [
'label' => $options['delete_label'],
'mapped' => false,
'translation_domain' => $options['translation_domain'],
'required' => false,
]);
});
// delete file if needed
$builder->addEventListener(FormEvents::POST_SUBMIT, function (FormEvent $event): void {
$form = $event->getForm();
$object = $form->getParent()->getData();
$delete = $form->has('delete') ? $form->get('delete')->getData() : false;
if (!$delete) {
return;
}
$this->handler->remove($object, $this->getFieldName($form));
});
}
public function buildView(FormView $view, FormInterface $form, array $options): void
{
$object = $form->getParent()->getData();
$view->vars['object'] = $object;
$view->vars['download_uri'] = null;
if ($options['download_uri'] && $object) {
$view->vars['download_uri'] = $this->resolveUriOption($options['download_uri'], $object, $form);
$view->vars = \array_replace(
$view->vars,
$this->resolveDownloadLabel($options['download_label'], $object, $form)
);
}
$view->vars['asset_helper'] = $options['asset_helper'];
}
public function getBlockPrefix(): string
{
return 'vich_file';
}
final protected function getFieldName(FormInterface $form): string
{
return $form->getConfig()->getOption('property_path') ?? $form->getName();
}
/**
* @param bool|callable $uriOption
*
* @return string|bool|null
*/
protected function resolveUriOption($uriOption, object $object, FormInterface $form)
{
if (true === $uriOption) {
return $this->storage->resolveUri($object, $this->getFieldName($form));
}
if (\is_callable($uriOption)) {
return $uriOption($object, $this->storage->resolveUri($object, $this->getFieldName($form)));
}
return $uriOption;
}
/**
* @param bool|callable|object $downloadLabel
*/
protected function resolveDownloadLabel($downloadLabel, object $object, FormInterface $form): array
{
if (true === $downloadLabel) {
$mapping = $this->factory->fromField($object, $this->getFieldName($form));
return ['download_label' => $mapping->readProperty($object, 'originalName'), 'translation_domain' => false];
}
if (\is_callable($downloadLabel)) {
$result = $downloadLabel($object);
return [
'download_label' => $result['download_label'] ?? $result,
'translation_domain' => $result['translation_domain'] ?? false,
];
}
if ($downloadLabel instanceof PropertyPath) {
return [
'download_label' => $this->propertyAccessor->getValue($object, $downloadLabel),
'translation_domain' => false,
];
}
return ['download_label' => $downloadLabel];
}
}

vendor/vich/uploader-bundle/src/Form/Type/VichFileType.php line 27