vendor/symfony/form/Symfony/Component/Form/Extension/Core/Type/CheckboxType.php

   1 <?php
   2
   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  */
  11
  12 namespace Symfony\Component\Form\Extension\Core\Type;
  13
  14 use Symfony\Component\Form\AbstractType;
  15 use Symfony\Component\Form\FormBuilderInterface;
  16 use Symfony\Component\Form\FormInterface;
  17 use Symfony\Component\Form\Extension\Core\DataTransformer\BooleanToStringTransformer;
  18 use Symfony\Component\Form\FormView;
  19 use Symfony\Component\OptionsResolver\OptionsResolverInterface;
  20
  21 class CheckboxType extends AbstractType
  22 {
  23     /**
  24      * {@inheritdoc}
  25      */
  26     public function buildForm(FormBuilderInterface $builder, array $options)
  27     {
  28         $builder
  29             ->addViewTransformer(new BooleanToStringTransformer($options['value']))
  30         ;
  31     }
  32
  33     /**
  34      * {@inheritdoc}
  35      */
  36     public function buildView(FormView $view, FormInterface $form, array $options)
  37     {
  38         $view->vars = array_replace($view->vars, array(
  39             'value'   => $options['value'],
  40             'checked' => null !== $form->getViewData(),
  41         ));
  42     }
  43
  44     /**
  45      * {@inheritdoc}
  46      */
  47     public function setDefaultOptions(OptionsResolverInterface $resolver)
  48     {
  49         $emptyData = function (FormInterface $form, $clientData) {
  50             return $clientData;
  51         };
  52
  53         $resolver->setDefaults(array(
  54             'value'      => '1',
  55             'empty_data' => $emptyData,
  56             'compound'   => false,
  57         ));
  58     }
  59
  60     /**
  61      * {@inheritdoc}
  62      */
  63     public function getName()
  64     {
  65         return 'checkbox';
  66     }
  67 }