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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\Exception\LogicException;
use Symfony\Component\Form\Extension\Core\DataMapper\PropertyPathMapper;
use Symfony\Component\Form\Extension\Core\EventListener\TrimListener;
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;
use Symfony\Component\PropertyAccess\PropertyAccess;
use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
class FormType extends BaseType
{
private $propertyAccessor;
public function __construct(PropertyAccessorInterface $propertyAccessor = null)
{
$this->propertyAccessor = $propertyAccessor ?: PropertyAccess::createPropertyAccessor();
}
/**
* {@inheritdoc}
*/
public function buildForm(FormBuilderInterface $builder, array $options)
{
parent::buildForm($builder, $options);
$isDataOptionSet = \array_key_exists('data', $options);
$builder
->setRequired($options['required'])
->setErrorBubbling($options['error_bubbling'])
->setEmptyData($options['empty_data'])
->setPropertyPath($options['property_path'])
->setMapped($options['mapped'])
->setByReference($options['by_reference'])
->setInheritData($options['inherit_data'])
->setCompound($options['compound'])
->setData($isDataOptionSet ? $options['data'] : null)
->setDataLocked($isDataOptionSet)
->setDataMapper($options['compound'] ? new PropertyPathMapper($this->propertyAccessor) : null)
->setMethod($options['method'])
->setAction($options['action']);
if ($options['trim']) {
$builder->addEventSubscriber(new TrimListener());
}
}
/**
* {@inheritdoc}
*/
public function buildView(FormView $view, FormInterface $form, array $options)
{
parent::buildView($view, $form, $options);
$name = $form->getName();
$helpTranslationParameters = $options['help_translation_parameters'];
if ($view->parent) {
if ('' === $name) {
throw new LogicException('Form node with empty name can be used only as root form node.');
}
// Complex fields are read-only if they themselves or their parents are.
if (!isset($view->vars['attr']['readonly']) && isset($view->parent->vars['attr']['readonly']) && false !== $view->parent->vars['attr']['readonly']) {
$view->vars['attr']['readonly'] = true;
}
$helpTranslationParameters = array_merge($view->parent->vars['help_translation_parameters'], $helpTranslationParameters);
}
$formConfig = $form->getConfig();
$view->vars = array_replace($view->vars, [
'errors' => $form->getErrors(),
'valid' => $form->isSubmitted() ? $form->isValid() : true,
'value' => $form->getViewData(),
'data' => $form->getNormData(),
'required' => $form->isRequired(),
'size' => null,
'label_attr' => $options['label_attr'],
'help' => $options['help'],
'help_attr' => $options['help_attr'],
'help_html' => $options['help_html'],
'help_translation_parameters' => $helpTranslationParameters,
'compound' => $formConfig->getCompound(),
'method' => $formConfig->getMethod(),
'action' => $formConfig->getAction(),
'submitted' => $form->isSubmitted(),
]);
}
/**
* {@inheritdoc}
*/
public function finishView(FormView $view, FormInterface $form, array $options)
{
$multipart = false;
foreach ($view->children as $child) {
if ($child->vars['multipart']) {
$multipart = true;
break;
}
}
$view->vars['multipart'] = $multipart;
}
/**
* {@inheritdoc}
*/
public function configureOptions(OptionsResolver $resolver)
{
parent::configureOptions($resolver);
// Derive "data_class" option from passed "data" object
$dataClass = function (Options $options) {
return isset($options['data']) && \is_object($options['data']) ? \get_class($options['data']) : null;
};
// Derive "empty_data" closure from "data_class" option
$emptyData = function (Options $options) {
$class = $options['data_class'];
if (null !== $class) {
return function (FormInterface $form) use ($class) {
return $form->isEmpty() && !$form->isRequired() ? null : new $class();
};
}
return function (FormInterface $form) {
return $form->getConfig()->getCompound() ? [] : '';
};
};
// Wrap "post_max_size_message" in a closure to translate it lazily
$uploadMaxSizeMessage = function (Options $options) {
return function () use ($options) {
return $options['post_max_size_message'];
};
};
// For any form that is not represented by a single HTML control,
// errors should bubble up by default
$errorBubbling = function (Options $options) {
return $options['compound'];
};
// If data is given, the form is locked to that data
// (independent of its value)
$resolver->setDefined([
'data',
]);
$resolver->setDefaults([
'data_class' => $dataClass,
'empty_data' => $emptyData,
'trim' => true,
'required' => true,
'property_path' => null,
'mapped' => true,
'by_reference' => true,
'error_bubbling' => $errorBubbling,
'label_attr' => [],
'inherit_data' => false,
'compound' => true,
'method' => 'POST',
// According to RFC 2396 (http://www.ietf.org/rfc/rfc2396.txt)
// section 4.2., empty URIs are considered same-document references
'action' => '',
'attr' => [],
'post_max_size_message' => 'The uploaded file was too large. Please try to upload a smaller file.',
'upload_max_size_message' => $uploadMaxSizeMessage, // internal
'allow_file_upload' => false,
'help' => null,
'help_attr' => [],
'help_html' => false,
'help_translation_parameters' => [],
]);
$resolver->setAllowedTypes('label_attr', 'array');
$resolver->setAllowedTypes('upload_max_size_message', ['callable']);
$resolver->setAllowedTypes('help', ['string', 'null']);
$resolver->setAllowedTypes('help_attr', 'array');
$resolver->setAllowedTypes('help_html', 'bool');
}
/**
* {@inheritdoc}
*/
public function getParent()
{
}
/**
* {@inheritdoc}
*/
public function getBlockPrefix()
{
return 'form';
}
}
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