public function update(Dropzone $dropzone, array $data)
    {
        $this->crud->update('Claroline\DropZoneBundle\Entity\Dropzone', $data);

        $uow = $this->om->getUnitOfWork();
        $uow->computeChangeSets();
        $changeSet = $uow->getEntityChangeSet($dropzone);

        $this->eventDispatcher->dispatch('log', new LogDropzoneConfigureEvent($dropzone, $changeSet));

        return $dropzone;
    }