protected function createComponentCouponForm(\App\Forms\ICouponFormFactory $factory)
    {
        $control = $factory->create($this->coupon);
        $control['coupon']->onSuccess[] = [$this, 'couponFormSucceeded'];

        return $control;
    }

    /**
     * @param UI\Form $form
     * @return void
     */
    public function couponFormSucceeded(UI\Form $form, $values)
    {
        $this->closeDialog('coupon');
        $this->redirect('coupons', ['id' => NULL]);
    }