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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\FormException;
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 array
*/
private $typeExtensions;
/**
* @var ResolvedFormTypeInterface
*/
private $parent;
/**
* @var OptionsResolver
*/
private $optionsResolver;
public function __construct(FormTypeInterface $innerType, array $typeExtensions = array(), ResolvedFormTypeInterface $parent = null)
{
if (!preg_match('/^[a-z0-9_]*$/i', $innerType->getName())) {
throw new FormException(sprintf(
'The "%s" form type name ("%s") is not valid. Names must only contain letters, numbers, and "_".',
get_class($innerType),
$innerType->getName()
));
}
foreach ($typeExtensions as $extension) {
if (!$extension instanceof FormTypeExtensionInterface) {
throw new UnexpectedTypeException($extension, 'Symfony\Component\Form\FormTypeExtensionInterface');
}
}
// BC
if ($innerType instanceof AbstractType) {
/* @var AbstractType $innerType */
$innerType->setExtensions($typeExtensions);
}
$this->innerType = $innerType;
$this->typeExtensions = $typeExtensions;
$this->parent = $parent;
}
/**
* {@inheritdoc}
*/
public function getName()
{
return $this->innerType->getName();
}
/**
* {@inheritdoc}
*/
public function getParent()
{
return $this->parent;
}
/**
* {@inheritdoc}
*/
public function getInnerType()
{
return $this->innerType;
}
/**
* {@inheritdoc}
*/
public function getTypeExtensions()
{
// BC
if ($this->innerType instanceof AbstractType) {
return $this->innerType->getExtensions();
}
return $this->typeExtensions;
}
/**
* {@inheritdoc}
*/
public function createBuilder(FormFactoryInterface $factory, $name, array $options = array(), FormBuilderInterface $parent = null)
{
$options = $this->getOptionsResolver()->resolve($options);
// Should be decoupled from the specific option at some point
$dataClass = isset($options['data_class']) ? $options['data_class'] : null;
$builder = new FormBuilder($name, $dataClass, new EventDispatcher(), $factory, $options);
$builder->setType($this);
$builder->setParent($parent);
$this->buildForm($builder, $options);
return $builder;
}
/**
* {@inheritdoc}
*/
public function createView(FormInterface $form, FormView $parent = null)
{
$options = $form->getConfig()->getOptions();
$view = new FormView($parent);
$this->buildView($view, $form, $options);
foreach ($form as $name => $child) {
/* @var FormInterface $child */
$view->children[$name] = $child->createView($view);
}
$this->finishView($view, $form, $options);
return $view;
}
/**
* Configures a form builder for the type hierarchy.
*
* This method is protected in order to allow implementing classes
* to change or call it in re-implementations of {@link createBuilder()}.
*
* @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) {
/* @var FormTypeExtensionInterface $extension */
$extension->buildForm($builder, $options);
}
}
/**
* Configures a form view for the type hierarchy.
*
* This method is protected in order to allow implementing classes
* to change or call it in re-implementations of {@link createView()}.
*
* It 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) {
/* @var FormTypeExtensionInterface $extension */
$extension->buildView($view, $form, $options);
}
}
/**
* Finishes a form view for the type hierarchy.
*
* This method is protected in order to allow implementing classes
* to change or call it in re-implementations of {@link createView()}.
*
* It 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.
*
* This method is protected in order to allow implementing classes
* to change or call it in re-implementations of {@link createBuilder()}.
*
* @return \Symfony\Component\OptionsResolver\OptionsResolverInterface 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();
}
$this->innerType->setDefaultOptions($this->optionsResolver);
foreach ($this->typeExtensions as $extension) {
/* @var FormTypeExtensionInterface $extension */
$extension->setDefaultOptions($this->optionsResolver);
}
}
return $this->optionsResolver;
}
}
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