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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\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\EventDispatcher\ImmutableEventDispatcher;
use Symfony\Component\Form\Exception\BadMethodCallException;
use Symfony\Component\Form\Exception\InvalidArgumentException;
use Symfony\Component\Form\Exception\UnexpectedTypeException;
use Symfony\Component\PropertyAccess\PropertyPath;
use Symfony\Component\PropertyAccess\PropertyPathInterface;
/**
* A basic form configuration.
*
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class FormConfigBuilder implements FormConfigBuilderInterface
{
/**
* Caches a globally unique {@link NativeRequestHandler} instance.
*
* @var NativeRequestHandler
*/
private static $nativeRequestHandler;
protected $locked = false;
private $dispatcher;
private $name;
/**
* @var PropertyPathInterface|string|null
*/
private $propertyPath;
private $mapped = true;
private $byReference = true;
private $inheritData = false;
private $compound = false;
/**
* @var ResolvedFormTypeInterface
*/
private $type;
private $viewTransformers = [];
private $modelTransformers = [];
/**
* @var DataMapperInterface|null
*/
private $dataMapper;
private $required = true;
private $disabled = false;
private $errorBubbling = false;
/**
* @var mixed
*/
private $emptyData;
private $attributes = [];
/**
* @var mixed
*/
private $data;
/**
* @var string|null
*/
private $dataClass;
private $dataLocked = false;
/**
* @var FormFactoryInterface|null
*/
private $formFactory;
/**
* @var string|null
*/
private $action;
private $method = 'POST';
/**
* @var RequestHandlerInterface|null
*/
private $requestHandler;
private $autoInitialize = false;
private $options;
/**
* Creates an empty form configuration.
*
* @param string|int $name The form name
* @param string|null $dataClass The class of the form's data
* @param EventDispatcherInterface $dispatcher The event dispatcher
* @param array $options The form options
*
* @throws InvalidArgumentException if the data class is not a valid class or if
* the name contains invalid characters
*/
public function __construct($name, ?string $dataClass, EventDispatcherInterface $dispatcher, array $options = [])
{
self::validateName($name);
if (null !== $dataClass && !class_exists($dataClass) && !interface_exists($dataClass, false)) {
throw new InvalidArgumentException(sprintf('Class "%s" not found. Is the "data_class" form option set correctly?', $dataClass));
}
$this->name = (string) $name;
$this->dataClass = $dataClass;
$this->dispatcher = $dispatcher;
$this->options = $options;
}
/**
* {@inheritdoc}
*/
public function addEventListener($eventName, $listener, $priority = 0)
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
$this->dispatcher->addListener($eventName, $listener, $priority);
return $this;
}
/**
* {@inheritdoc}
*/
public function addEventSubscriber(EventSubscriberInterface $subscriber)
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
$this->dispatcher->addSubscriber($subscriber);
return $this;
}
/**
* {@inheritdoc}
*/
public function addViewTransformer(DataTransformerInterface $viewTransformer, $forcePrepend = false)
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
if ($forcePrepend) {
array_unshift($this->viewTransformers, $viewTransformer);
} else {
$this->viewTransformers[] = $viewTransformer;
}
return $this;
}
/**
* {@inheritdoc}
*/
public function resetViewTransformers()
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
$this->viewTransformers = [];
return $this;
}
/**
* {@inheritdoc}
*/
public function addModelTransformer(DataTransformerInterface $modelTransformer, $forceAppend = false)
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
if ($forceAppend) {
$this->modelTransformers[] = $modelTransformer;
} else {
array_unshift($this->modelTransformers, $modelTransformer);
}
return $this;
}
/**
* {@inheritdoc}
*/
public function resetModelTransformers()
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
$this->modelTransformers = [];
return $this;
}
/**
* {@inheritdoc}
*/
public function getEventDispatcher()
{
if ($this->locked && !$this->dispatcher instanceof ImmutableEventDispatcher) {
$this->dispatcher = new ImmutableEventDispatcher($this->dispatcher);
}
return $this->dispatcher;
}
/**
* {@inheritdoc}
*/
public function getName()
{
return $this->name;
}
/**
* {@inheritdoc}
*/
public function getPropertyPath()
{
return $this->propertyPath;
}
/**
* {@inheritdoc}
*/
public function getMapped()
{
return $this->mapped;
}
/**
* {@inheritdoc}
*/
public function getByReference()
{
return $this->byReference;
}
/**
* {@inheritdoc}
*/
public function getInheritData()
{
return $this->inheritData;
}
/**
* {@inheritdoc}
*/
public function getCompound()
{
return $this->compound;
}
/**
* {@inheritdoc}
*/
public function getType()
{
return $this->type;
}
/**
* {@inheritdoc}
*/
public function getViewTransformers()
{
return $this->viewTransformers;
}
/**
* {@inheritdoc}
*/
public function getModelTransformers()
{
return $this->modelTransformers;
}
/**
* {@inheritdoc}
*/
public function getDataMapper()
{
return $this->dataMapper;
}
/**
* {@inheritdoc}
*/
public function getRequired()
{
return $this->required;
}
/**
* {@inheritdoc}
*/
public function getDisabled()
{
return $this->disabled;
}
/**
* {@inheritdoc}
*/
public function getErrorBubbling()
{
return $this->errorBubbling;
}
/**
* {@inheritdoc}
*/
public function getEmptyData()
{
return $this->emptyData;
}
/**
* {@inheritdoc}
*/
public function getAttributes()
{
return $this->attributes;
}
/**
* {@inheritdoc}
*/
public function hasAttribute($name)
{
return \array_key_exists($name, $this->attributes);
}
/**
* {@inheritdoc}
*/
public function getAttribute($name, $default = null)
{
return \array_key_exists($name, $this->attributes) ? $this->attributes[$name] : $default;
}
/**
* {@inheritdoc}
*/
public function getData()
{
return $this->data;
}
/**
* {@inheritdoc}
*/
public function getDataClass()
{
return $this->dataClass;
}
/**
* {@inheritdoc}
*/
public function getDataLocked()
{
return $this->dataLocked;
}
/**
* {@inheritdoc}
*/
public function getFormFactory()
{
return $this->formFactory;
}
/**
* {@inheritdoc}
*/
public function getAction()
{
return $this->action;
}
/**
* {@inheritdoc}
*/
public function getMethod()
{
return $this->method;
}
/**
* {@inheritdoc}
*/
public function getRequestHandler()
{
if (null === $this->requestHandler) {
if (null === self::$nativeRequestHandler) {
self::$nativeRequestHandler = new NativeRequestHandler();
}
$this->requestHandler = self::$nativeRequestHandler;
}
return $this->requestHandler;
}
/**
* {@inheritdoc}
*/
public function getAutoInitialize()
{
return $this->autoInitialize;
}
/**
* {@inheritdoc}
*/
public function getOptions()
{
return $this->options;
}
/**
* {@inheritdoc}
*/
public function hasOption($name)
{
return \array_key_exists($name, $this->options);
}
/**
* {@inheritdoc}
*/
public function getOption($name, $default = null)
{
return \array_key_exists($name, $this->options) ? $this->options[$name] : $default;
}
/**
* {@inheritdoc}
*/
public function setAttribute($name, $value)
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
$this->attributes[$name] = $value;
return $this;
}
/**
* {@inheritdoc}
*/
public function setAttributes(array $attributes)
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
$this->attributes = $attributes;
return $this;
}
/**
* {@inheritdoc}
*/
public function setDataMapper(DataMapperInterface $dataMapper = null)
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
$this->dataMapper = $dataMapper;
return $this;
}
/**
* {@inheritdoc}
*/
public function setDisabled($disabled)
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
$this->disabled = (bool) $disabled;
return $this;
}
/**
* {@inheritdoc}
*/
public function setEmptyData($emptyData)
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
$this->emptyData = $emptyData;
return $this;
}
/**
* {@inheritdoc}
*/
public function setErrorBubbling($errorBubbling)
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
$this->errorBubbling = (bool) $errorBubbling;
return $this;
}
/**
* {@inheritdoc}
*/
public function setRequired($required)
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
$this->required = (bool) $required;
return $this;
}
/**
* {@inheritdoc}
*/
public function setPropertyPath($propertyPath)
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
if (null !== $propertyPath && !$propertyPath instanceof PropertyPathInterface) {
$propertyPath = new PropertyPath($propertyPath);
}
$this->propertyPath = $propertyPath;
return $this;
}
/**
* {@inheritdoc}
*/
public function setMapped($mapped)
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
$this->mapped = (bool) $mapped;
return $this;
}
/**
* {@inheritdoc}
*/
public function setByReference($byReference)
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
$this->byReference = (bool) $byReference;
return $this;
}
/**
* {@inheritdoc}
*/
public function setInheritData($inheritData)
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
$this->inheritData = (bool) $inheritData;
return $this;
}
/**
* {@inheritdoc}
*/
public function setCompound($compound)
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
$this->compound = (bool) $compound;
return $this;
}
/**
* {@inheritdoc}
*/
public function setType(ResolvedFormTypeInterface $type)
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
$this->type = $type;
return $this;
}
/**
* {@inheritdoc}
*/
public function setData($data)
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
$this->data = $data;
return $this;
}
/**
* {@inheritdoc}
*/
public function setDataLocked($locked)
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
$this->dataLocked = (bool) $locked;
return $this;
}
/**
* {@inheritdoc}
*/
public function setFormFactory(FormFactoryInterface $formFactory)
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
$this->formFactory = $formFactory;
return $this;
}
/**
* {@inheritdoc}
*/
public function setAction($action)
{
if ($this->locked) {
throw new BadMethodCallException('The config builder cannot be modified anymore.');
}
$this->action = (string) $action;
return $this;
}
/**
* {@inheritdoc}
*/
public function setMethod($method)
{
if ($this->locked) {
throw new BadMethodCallException('The config builder cannot be modified anymore.');
}
$this->method = strtoupper($method);
return $this;
}
/**
* {@inheritdoc}
*/
public function setRequestHandler(RequestHandlerInterface $requestHandler)
{
if ($this->locked) {
throw new BadMethodCallException('The config builder cannot be modified anymore.');
}
$this->requestHandler = $requestHandler;
return $this;
}
/**
* {@inheritdoc}
*/
public function setAutoInitialize($initialize)
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
$this->autoInitialize = (bool) $initialize;
return $this;
}
/**
* {@inheritdoc}
*/
public function getFormConfig()
{
if ($this->locked) {
throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
}
// This method should be idempotent, so clone the builder
$config = clone $this;
$config->locked = true;
return $config;
}
/**
* Validates whether the given variable is a valid form name.
*
* @param string|int|null $name The tested form name
*
* @throws UnexpectedTypeException if the name is not a string or an integer
* @throws InvalidArgumentException if the name contains invalid characters
*/
public static function validateName($name)
{
if (null !== $name && !\is_string($name) && !\is_int($name)) {
throw new UnexpectedTypeException($name, 'string, integer or null');
}
if (!self::isValidName($name)) {
throw new InvalidArgumentException(sprintf('The name "%s" contains illegal characters. Names should start with a letter, digit or underscore and only contain letters, digits, numbers, underscores ("_"), hyphens ("-") and colons (":").', $name));
}
}
/**
* Returns whether the given variable contains a valid form name.
*
* A name is accepted if it
*
* * is empty
* * starts with a letter, digit or underscore
* * contains only letters, digits, numbers, underscores ("_"),
* hyphens ("-") and colons (":")
*
* @param string|null $name The tested form name
*
* @return bool Whether the name is valid
*/
public static function isValidName($name)
{
return '' === $name || null === $name || preg_match('/^[a-zA-Z0-9_][a-zA-Z0-9_\-:]*$/D', $name);
}
}
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