Gère les collections Doctrine dans FileUploadType.

Form/Type/FileUploadType.php

@@ -10,7 +10,9 @@ namespace Irstea\FileUploadBundle\Form\Type;
 use Irstea\FileUploadBundle\Controller\UploadController;
 use Irstea\FileUploadBundle\Form\DataTranformer\UploadedFileTransformer;
 use Irstea\FileUploadBundle\Service\FileManagerInterface;
+use Symfony\Bridge\Doctrine\Form\DataTransformer\CollectionToArrayTransformer;
 use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\EventListener\MergeCollectionListener;
 use Symfony\Component\Form\Extension\Csrf\CsrfProvider\CsrfProviderInterface;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\Form\FormInterface;
@@ -58,6 +60,12 @@ class FileUploadType extends AbstractType
     public function buildForm(FormBuilderInterface $builder, array $options)
     {
         $builder->setCompound(false);
+
+        if($options['multiple']) {
+            $builder->addEventSubscriber(new MergeCollectionListener(true, true));
+            $builder->addViewTransformer(new CollectionToArrayTransformer());
+        }
+
         $builder->addViewTransformer(new UploadedFileTransformer($this->fileManager, $options['multiple']));
     }
 
@@ -76,6 +84,7 @@ class FileUploadType extends AbstractType
     public function setDefaultOptions(OptionsResolverInterface $resolver)
     {
         $this->setWidgetDefaultOptions($resolver);
+
         $resolver->setDefaults(['max_chunk_size' => $this->maxChunkSize ?: 0]);
         $resolver->setAllowedTypes(['max_chunk_size' => 'int']);
     }