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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;
use Symfony\Component\Form\Exception\UnexpectedTypeException;
use Symfony\Component\EventDispatcher\EventDispatcher;
use Symfony\Component\OptionsResolver\OptionsResolver;
/**
* A wrapper for a form type and its extensions.
*
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class ResolvedFormType implements ResolvedFormTypeInterface
{
/**
* @var FormTypeInterface
*/
private $innerType;
/**
* @var FormTypeExtensionInterface[]
*/
private $typeExtensions;
/**
* @var ResolvedFormTypeInterface|null
*/
private $parent;
/**
* @var OptionsResolver
*/
private $optionsResolver;
public function __construct(FormTypeInterface $innerType, array $typeExtensions = array(), ResolvedFormTypeInterface $parent = null)
{
foreach ($typeExtensions as $extension) {
if (!$extension instanceof FormTypeExtensionInterface) {
throw new UnexpectedTypeException($extension, 'Symfony\Component\Form\FormTypeExtensionInterface');
}
}
$this->innerType = $innerType;
$this->typeExtensions = $typeExtensions;
$this->parent = $parent;
}
/**
* {@inheritdoc}
*/
public function getBlockPrefix()
{
return $this->innerType->getBlockPrefix();
}
/**
* {@inheritdoc}
*/
public function getParent()
{
return $this->parent;
}
/**
* {@inheritdoc}
*/
public function getInnerType()
{
return $this->innerType;
}
/**
* {@inheritdoc}
*/
public function getTypeExtensions()
{
return $this->typeExtensions;
}
/**
* {@inheritdoc}
*/
public function createBuilder(FormFactoryInterface $factory, $name, array $options = array())
{
$options = $this->getOptionsResolver()->resolve($options);
// Should be decoupled from the specific option at some point
$dataClass = isset($options['data_class']) ? $options['data_class'] : null;
$builder = $this->newBuilder($name, $dataClass, $factory, $options);
$builder->setType($this);
return $builder;
}
/**
* {@inheritdoc}
*/
public function createView(FormInterface $form, FormView $parent = null)
{
return $this->newView($parent);
}
/**
* Configures a form builder for the type hierarchy.
*
* @param FormBuilderInterface $builder The builder to configure.
* @param array $options The options used for the configuration.
*/
public function buildForm(FormBuilderInterface $builder, array $options)
{
if (null !== $this->parent) {
$this->parent->buildForm($builder, $options);
}
$this->innerType->buildForm($builder, $options);
foreach ($this->typeExtensions as $extension) {
$extension->buildForm($builder, $options);
}
}
/**
* Configures a form view for the type hierarchy.
*
* This method is called before the children of the view are built.
*
* @param FormView $view The form view to configure.
* @param FormInterface $form The form corresponding to the view.
* @param array $options The options used for the configuration.
*/
public function buildView(FormView $view, FormInterface $form, array $options)
{
if (null !== $this->parent) {
$this->parent->buildView($view, $form, $options);
}
$this->innerType->buildView($view, $form, $options);
foreach ($this->typeExtensions as $extension) {
$extension->buildView($view, $form, $options);
}
}
/**
* Finishes a form view for the type hierarchy.
*
* This method is called after the children of the view have been built.
*
* @param FormView $view The form view to configure.
* @param FormInterface $form The form corresponding to the view.
* @param array $options The options used for the configuration.
*/
public function finishView(FormView $view, FormInterface $form, array $options)
{
if (null !== $this->parent) {
$this->parent->finishView($view, $form, $options);
}
$this->innerType->finishView($view, $form, $options);
foreach ($this->typeExtensions as $extension) {
/* @var FormTypeExtensionInterface $extension */
$extension->finishView($view, $form, $options);
}
}
/**
* Returns the configured options resolver used for this type.
*
* @return \Symfony\Component\OptionsResolver\OptionsResolver The options resolver.
*/
public function getOptionsResolver()
{
if (null === $this->optionsResolver) {
if (null !== $this->parent) {
$this->optionsResolver = clone $this->parent->getOptionsResolver();
} else {
$this->optionsResolver = new OptionsResolver();
}
$this->innerType->configureOptions($this->optionsResolver);
foreach ($this->typeExtensions as $extension) {
$extension->configureOptions($this->optionsResolver);
}
}
return $this->optionsResolver;
}
/**
* Creates a new builder instance.
*
* Override this method if you want to customize the builder class.
*
* @param string $name The name of the builder.
* @param string $dataClass The data class.
* @param FormFactoryInterface $factory The current form factory.
* @param array $options The builder options.
*
* @return FormBuilderInterface The new builder instance.
*/
protected function newBuilder($name, $dataClass, FormFactoryInterface $factory, array $options)
{
if ($this->innerType instanceof ButtonTypeInterface) {
return new ButtonBuilder($name, $options);
}
if ($this->innerType instanceof SubmitButtonTypeInterface) {
return new SubmitButtonBuilder($name, $options);
}
return new FormBuilder($name, $dataClass, new EventDispatcher(), $factory, $options);
}
/**
* Creates a new view instance.
*
* Override this method if you want to customize the view class.
*
* @param FormView|null $parent The parent view, if available.
*
* @return FormView A new view instance.
*/
protected function newView(FormView $parent = null)
{
return new FormView($parent);
}
}
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