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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;
class FormFactory implements FormFactoryInterface
{
/**
* @var FormRegistryInterface
*/
private $registry;
/**
* @var ResolvedFormTypeFactoryInterface
*/
private $resolvedTypeFactory;
public function __construct(FormRegistryInterface $registry, ResolvedFormTypeFactoryInterface $resolvedTypeFactory)
{
$this->registry = $registry;
$this->resolvedTypeFactory = $resolvedTypeFactory;
}
/**
* {@inheritdoc}
*/
public function create($type = 'form', $data = null, array $options = array())
{
return $this->createBuilder($type, $data, $options)->getForm();
}
/**
* {@inheritdoc}
*/
public function createNamed($name, $type = 'form', $data = null, array $options = array())
{
return $this->createNamedBuilder($name, $type, $data, $options)->getForm();
}
/**
* {@inheritdoc}
*/
public function createForProperty($class, $property, $data = null, array $options = array())
{
return $this->createBuilderForProperty($class, $property, $data, $options)->getForm();
}
/**
* {@inheritdoc}
*/
public function createBuilder($type = 'form', $data = null, array $options = array())
{
$name = $type instanceof FormTypeInterface || $type instanceof ResolvedFormTypeInterface
? $type->getName()
: $type;
return $this->createNamedBuilder($name, $type, $data, $options);
}
/**
* {@inheritdoc}
*/
public function createNamedBuilder($name, $type = 'form', $data = null, array $options = array())
{
if (null !== $data && !array_key_exists('data', $options)) {
$options['data'] = $data;
}
if ($type instanceof FormTypeInterface) {
$type = $this->resolveType($type);
} elseif (is_string($type)) {
$type = $this->registry->getType($type);
} elseif (!$type instanceof ResolvedFormTypeInterface) {
throw new UnexpectedTypeException($type, 'string, Symfony\Component\Form\ResolvedFormTypeInterface or Symfony\Component\Form\FormTypeInterface');
}
$builder = $type->createBuilder($this, $name, $options);
// Explicitly call buildForm() in order to be able to override either
// createBuilder() or buildForm() in the resolved form type
$type->buildForm($builder, $builder->getOptions());
return $builder;
}
/**
* {@inheritdoc}
*/
public function createBuilderForProperty($class, $property, $data = null, array $options = array())
{
if (null === $guesser = $this->registry->getTypeGuesser()) {
return $this->createNamedBuilder($property, 'text', $data, $options);
}
$typeGuess = $guesser->guessType($class, $property);
$maxLengthGuess = $guesser->guessMaxLength($class, $property);
$requiredGuess = $guesser->guessRequired($class, $property);
$patternGuess = $guesser->guessPattern($class, $property);
$type = $typeGuess ? $typeGuess->getType() : 'text';
$maxLength = $maxLengthGuess ? $maxLengthGuess->getValue() : null;
$pattern = $patternGuess ? $patternGuess->getValue() : null;
if (null !== $pattern) {
$options = array_merge(array('pattern' => $pattern), $options);
}
if (null !== $maxLength) {
$options = array_merge(array('max_length' => $maxLength), $options);
}
if ($requiredGuess) {
$options = array_merge(array('required' => $requiredGuess->getValue()), $options);
}
// user options may override guessed options
if ($typeGuess) {
$options = array_merge($typeGuess->getOptions(), $options);
}
return $this->createNamedBuilder($property, $type, $data, $options);
}
/**
* Wraps a type into a ResolvedFormTypeInterface implementation and connects
* it with its parent type.
*
* @param FormTypeInterface $type The type to resolve.
*
* @return ResolvedFormTypeInterface The resolved type.
*/
private function resolveType(FormTypeInterface $type)
{
$parentType = $type->getParent();
if ($parentType instanceof FormTypeInterface) {
$parentType = $this->resolveType($parentType);
} elseif (null !== $parentType) {
$parentType = $this->registry->getType($parentType);
}
return $this->resolvedTypeFactory->createResolvedType(
$type,
// Type extensions are not supported for unregistered type instances,
// i.e. type instances that are passed to the FormFactory directly,
// nor for their parents, if getParent() also returns a type instance.
array(),
$parentType
);
}
}