vendor/symfony/form/Extension/Core/Type/NumberType.php line 24

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  1. <?php
  3. /*
  4.  * This file is part of the Symfony package.
  5.  *
  6.  * (c) Fabien Potencier <fabien@symfony.com>
  7.  *
  8.  * For the full copyright and license information, please view the LICENSE
  9.  * file that was distributed with this source code.
  10.  */
  12. namespace Symfony\Component\Form\Extension\Core\Type;
  14. use Symfony\Component\Form\AbstractType;
  15. use Symfony\Component\Form\Exception\LogicException;
  16. use Symfony\Component\Form\Extension\Core\DataTransformer\NumberToLocalizedStringTransformer;
  17. use Symfony\Component\Form\Extension\Core\DataTransformer\StringToFloatTransformer;
  18. use Symfony\Component\Form\FormBuilderInterface;
  19. use Symfony\Component\Form\FormInterface;
  20. use Symfony\Component\Form\FormView;
  21. use Symfony\Component\OptionsResolver\Options;
  22. use Symfony\Component\OptionsResolver\OptionsResolver;
  24. class NumberType extends AbstractType
  25. {
  26.     /**
  27.      * {@inheritdoc}
  28.      */
  29.     public function buildForm(FormBuilderInterface $builder, array $options)
  30.     {
  31.         $builder->addViewTransformer(new NumberToLocalizedStringTransformer(
  32.             $options['scale'],
  33.             $options['grouping'],
  34.             $options['rounding_mode'],
  35.             $options['html5'] ? 'en' : null
  36.         ));
  38.         if ('string' === $options['input']) {
  39.             $builder->addModelTransformer(new StringToFloatTransformer($options['scale']));
  40.         }
  41.     }
  43.     /**
  44.      * {@inheritdoc}
  45.      */
  46.     public function buildView(FormView $view, FormInterface $form, array $options)
  47.     {
  48.         if ($options['html5']) {
  49.             $view->vars['type'] = 'number';
  50.         }
  51.     }
  53.     /**
  54.      * {@inheritdoc}
  55.      */
  56.     public function configureOptions(OptionsResolver $resolver)
  57.     {
  58.         $resolver->setDefaults([
  59.             // default scale is locale specific (usually around 3)
  60.             'scale' => null,
  61.             'grouping' => false,
  62.             'rounding_mode' => \NumberFormatter::ROUND_HALFUP,
  63.             'compound' => false,
  64.             'input' => 'number',
  65.             'html5' => false,
  66.             'invalid_message' => function (Options $options, $previousValue) {
  67.                 return ($options['legacy_error_messages'] ?? true)
  68.                     ? $previousValue
  69.                     : 'Please enter a number.';
  70.             },
  71.         ]);
  73.         $resolver->setAllowedValues('rounding_mode', [
  74.             \NumberFormatter::ROUND_FLOOR,
  75.             \NumberFormatter::ROUND_DOWN,
  76.             \NumberFormatter::ROUND_HALFDOWN,
  77.             \NumberFormatter::ROUND_HALFEVEN,
  78.             \NumberFormatter::ROUND_HALFUP,
  79.             \NumberFormatter::ROUND_UP,
  80.             \NumberFormatter::ROUND_CEILING,
  81.         ]);
  82.         $resolver->setAllowedValues('input', ['number', 'string']);
  83.         $resolver->setAllowedTypes('scale', ['null', 'int']);
  84.         $resolver->setAllowedTypes('html5', 'bool');
  86.         $resolver->setNormalizer('grouping', function (Options $options, $value) {
  87.             if (true === $value && $options['html5']) {
  88.                 throw new LogicException('Cannot use the "grouping" option when the "html5" option is enabled.');
  89.             }
  91.             return $value;
  92.         });
  93.     }
  95.     /**
  96.      * {@inheritdoc}
  97.      */
  98.     public function getBlockPrefix()
  99.     {
  100.         return 'number';
  101.     }
  102. }