public function closeDropzoneOpenedDrops(Dropzone $dropzone, $force = false)
    {
        if ($force || $this->isDropzoneDropTimeIsUp($dropzone)) {
            $dropRepo = $this->em->getRepository('IcapDropzoneBundle:Drop');
            $dropRepo->closeUnTerminatedDropsByDropzone($dropzone->getId());
            $dropzone->setAutoCloseState(Dropzone::AUTO_CLOSED_STATE_CLOSED);
        }
    }