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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Form\Extension\Core\Type;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\Extension\Core\EventListener\ResizeFormListener;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\Form\FormInterface;
use Symfony\Component\Form\FormView;
use Symfony\Component\OptionsResolver\Options;
use Symfony\Component\OptionsResolver\OptionsResolver;
class CollectionType extends AbstractType
{
/**
* {@inheritdoc}
*/
public function buildForm(FormBuilderInterface $builder, array $options)
{
if ($options['allow_add'] && $options['prototype']) {
$prototypeOptions = array_replace([
'required' => $options['required'],
'label' => $options['prototype_name'].'label__',
], $options['entry_options']);
if (null !== $options['prototype_data']) {
$prototypeOptions['data'] = $options['prototype_data'];
}
$prototype = $builder->create($options['prototype_name'], $options['entry_type'], $prototypeOptions);
$builder->setAttribute('prototype', $prototype->getForm());
}
$resizeListener = new ResizeFormListener(
$options['entry_type'],
$options['entry_options'],
$options['allow_add'],
$options['allow_delete'],
$options['delete_empty']
);
$builder->addEventSubscriber($resizeListener);
}
/**
* {@inheritdoc}
*/
public function buildView(FormView $view, FormInterface $form, array $options)
{
$view->vars = array_replace($view->vars, [
'allow_add' => $options['allow_add'],
'allow_delete' => $options['allow_delete'],
]);
if ($form->getConfig()->hasAttribute('prototype')) {
$prototype = $form->getConfig()->getAttribute('prototype');
$view->vars['prototype'] = $prototype->setParent($form)->createView($view);
}
}
/**
* {@inheritdoc}
*/
public function finishView(FormView $view, FormInterface $form, array $options)
{
if ($form->getConfig()->hasAttribute('prototype') && $view->vars['prototype']->vars['multipart']) {
$view->vars['multipart'] = true;
}
}
/**
* {@inheritdoc}
*/
public function configureOptions(OptionsResolver $resolver)
{
$entryOptionsNormalizer = function (Options $options, $value) {
$value['block_name'] = 'entry';
return $value;
};
$resolver->setDefaults([
'allow_add' => false,
'allow_delete' => false,
'prototype' => true,
'prototype_data' => null,
'prototype_name' => '__name__',
'entry_type' => __NAMESPACE__.'\TextType',
'entry_options' => [],
'delete_empty' => false,
]);
$resolver->setNormalizer('entry_options', $entryOptionsNormalizer);
$resolver->setAllowedTypes('delete_empty', ['bool', 'callable']);
}
/**
* {@inheritdoc}
*/
public function getBlockPrefix()
{
return 'collection';
}
}
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