$builder->addEventListener(FormEvents::POST_SET_DATA, function (FormEvent $event) use ($app) {
            $delivery_id = null;
            $form = $event->getForm();
            $delivery_ids = array();
            $Shippings = $form['shippings'];
            foreach ($Shippings as $Shipping) {
                $delivery = $Shipping->get('delivery');
                $options = $delivery->getConfig()->getOptions();
                $choices = $options['choices'];
                $choice_list = $options['choice_list']->getValues();
                $deliveries = array();
                foreach($choice_list as $key => $choice) {
                    if (in_array($choice, $delivery_ids)) {
                        $deliveries[] = $choice;
                    }
                }
                $delivery = $Shipping->get('delivery');
                $Shipping->remove('delivery');
                $Shipping
                    ->add('delivery', 'entity', array(
                        'class' => 'Eccube\Entity\Delivery',
                        'property' => 'name',
                        'choices' => $deliveries,
//                        'data' => $delivery,
                        'constraints' => array(
                            new Assert\NotBlank(),
                        ),
                    ));
            }
        });