vendor/symfony/form/Symfony/Component/Form/Extension/Core/Type/CollectionType.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\FormView;
  17 use Symfony\Component\Form\FormInterface;
  18 use Symfony\Component\Form\Extension\Core\EventListener\ResizeFormListener;
  19 use Symfony\Component\OptionsResolver\Options;
  20 use Symfony\Component\OptionsResolver\OptionsResolverInterface;
  21
  22 class CollectionType extends AbstractType
  23 {
  24     /**
  25      * {@inheritdoc}
  26      */
  27     public function buildForm(FormBuilderInterface $builder, array $options)
  28     {
  29         if ($options['allow_add'] && $options['prototype']) {
  30             $prototype = $builder->create($options['prototype_name'], $options['type'], array_replace(array(
  31                 'label' => $options['prototype_name'].'label__',
  32             ), $options['options']));
  33             $builder->setAttribute('prototype', $prototype->getForm());
  34         }
  35
  36         $resizeListener = new ResizeFormListener(
  37             $options['type'],
  38             $options['options'],
  39             $options['allow_add'],
  40             $options['allow_delete']
  41         );
  42
  43         $builder->addEventSubscriber($resizeListener);
  44     }
  45
  46     /**
  47      * {@inheritdoc}
  48      */
  49     public function buildView(FormView $view, FormInterface $form, array $options)
  50     {
  51         $view->vars = array_replace($view->vars, array(
  52             'allow_add'    => $options['allow_add'],
  53             'allow_delete' => $options['allow_delete'],
  54         ));
  55
  56         if ($form->getConfig()->hasAttribute('prototype')) {
  57             $view->vars['prototype'] = $form->getConfig()->getAttribute('prototype')->createView($view);
  58         }
  59     }
  60
  61     /**
  62      * {@inheritdoc}
  63      */
  64     public function finishView(FormView $view, FormInterface $form, array $options)
  65     {
  66         if ($form->getConfig()->hasAttribute('prototype') && $view->vars['prototype']->vars['multipart']) {
  67             $view->vars['multipart'] = true;
  68         }
  69     }
  70
  71     /**
  72      * {@inheritdoc}
  73      */
  74     public function setDefaultOptions(OptionsResolverInterface $resolver)
  75     {
  76         $optionsNormalizer = function (Options $options, $value) {
  77             $value['block_name'] = 'entry';
  78
  79             return $value;
  80         };
  81
  82         $resolver->setDefaults(array(
  83             'allow_add'      => false,
  84             'allow_delete'   => false,
  85             'prototype'      => true,
  86             'prototype_name' => '__name__',
  87             'type'           => 'text',
  88             'options'        => array(),
  89         ));
  90
  91         $resolver->setNormalizers(array(
  92             'options' => $optionsNormalizer,
  93         ));
  94     }
  95
  96     /**
  97      * {@inheritdoc}
  98      */
  99     public function getName()
 100     {
 101         return 'collection';
 102     }
 103 }