public function preBind(FormEvent $event)
{
$form = $event->getForm();
$propertyName = $form->getName();
$obj = $form->getParent()->getData();
//For oneToMany at SonataAdmin
if (!$obj) {
return;
}
$mapping = $this->mappingFactory->getMappingFromField($obj, $this->dataStorage->getReflectionClass($obj), $propertyName);
if ($mapping) {
/* $form->add('file', 'file', array('required' => false))
->add('delete', 'checkbox', array('required' => false));*/
$this->transformer->setMapping($mapping, $mapping->getFileUploadPropertyName() == $propertyName ? FileDataTransformer::MODE_UPLOAD_FIELD : FileDataTransformer::MODE_FILEDATA_FIELD);
}
}
