Current File : //var/www/prestashop/src/PrestaShopBundle/Form/Admin/Type/DeltaQuantityType.php

<?php
/**
 * Copyright since 2007 PrestaShop SA and Contributors
 * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.md.
 * It is also available through the world-wide-web at this URL:
 * https://opensource.org/licenses/OSL-3.0
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@prestashop.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
 * versions in the future. If you wish to customize PrestaShop for your
 * needs please refer to https://devdocs.prestashop.com/ for more information.
 *
 * @author    PrestaShop SA and Contributors <contact@prestashop.com>
 * @copyright Since 2007 PrestaShop SA and Contributors
 * @license   https://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
 */

declare(strict_types=1);

namespace PrestaShopBundle\Form\Admin\Type;

use Symfony\Component\Form\Extension\Core\DataTransformer\NumberToLocalizedStringTransformer;
use Symfony\Component\Form\Extension\Core\Type\IntegerType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;
use Symfony\Component\Validator\Constraints\NotBlank;
use Symfony\Component\Validator\Constraints\Type;

/**
 * Quantity field that displays the initial quantity (not editable) and allows editing with delta quantity
 * instead (ex: +5, -8). The input data of this form type is the initial (as a plain integer) however its output
 * on submit is the delta quantity.
 */
class DeltaQuantityType extends TranslatorAwareType
{
    /**
     * {@inheritDoc}
     */
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
            ->add('quantity', TextPreviewType::class, [
                'block_prefix' => 'delta_quantity_quantity',
            ])
            ->add('delta', IntegerType::class, [
                'default_empty_data' => 0,
                'label' => $options['delta_label'],
                'block_prefix' => 'delta_quantity_delta',
                'constraints' => [
                    new Type(['type' => 'numeric']),
                    new NotBlank(),
                ],
                'required' => false,
                'modify_all_shops' => true,
            ]);

        $builder->get('quantity')->addViewTransformer(new NumberToLocalizedStringTransformer(0, false));
    }

    public function configureOptions(OptionsResolver $resolver)
    {
        parent::configureOptions($resolver);
        $resolver
            ->setDefaults([
                'delta_label' => $this->trans('Add or subtract items', 'Admin.Global'),
            ])
            ->setAllowedTypes('delta_label', ['string', 'boolean', 'null'])
        ;
    }

    /**
     * {@inheritDoc}
     */
    public function getBlockPrefix()
    {
        return 'delta_quantity';
    }
}