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Filename :
FormConfigBuilder.php
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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\BadMethodCallException; use Symfony\Component\Form\Exception\InvalidArgumentException; use Symfony\Component\Form\Exception\UnexpectedTypeException; use Symfony\Component\PropertyAccess\PropertyPath; use Symfony\Component\PropertyAccess\PropertyPathInterface; use Symfony\Component\EventDispatcher\EventDispatcherInterface; use Symfony\Component\EventDispatcher\EventSubscriberInterface; use Symfony\Component\EventDispatcher\ImmutableEventDispatcher; /** * 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 $nativeRequestProcessor; /** * The accepted request methods. * * @var array */ private static $allowedMethods = array( 'GET', 'PUT', 'POST', 'DELETE', 'PATCH' ); /** * @var Boolean */ protected $locked = false; /** * @var EventDispatcherInterface */ private $dispatcher; /** * @var string */ private $name; /** * @var PropertyPathInterface */ private $propertyPath; /** * @var Boolean */ private $mapped = true; /** * @var Boolean */ private $byReference = true; /** * @var Boolean */ private $inheritData = false; /** * @var Boolean */ private $compound = false; /** * @var ResolvedFormTypeInterface */ private $type; /** * @var array */ private $viewTransformers = array(); /** * @var array */ private $modelTransformers = array(); /** * @var DataMapperInterface */ private $dataMapper; /** * @var Boolean */ private $required = true; /** * @var Boolean */ private $disabled = false; /** * @var Boolean */ private $errorBubbling = false; /** * @var mixed */ private $emptyData; /** * @var array */ private $attributes = array(); /** * @var mixed */ private $data; /** * @var string */ private $dataClass; /** * @var Boolean */ private $dataLocked; /** * @var FormFactoryInterface */ private $formFactory; /** * @var string */ private $action; /** * @var string */ private $method = 'POST'; /** * @var RequestHandlerInterface */ private $requestHandler; /** * @var Boolean */ private $autoInitialize = false; /** * @var array */ private $options; /** * Creates an empty form configuration. * * @param string|integer $name The form name * @param string $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, $dataClass, EventDispatcherInterface $dispatcher, array $options = array()) { self::validateName($name); if (null !== $dataClass && !class_exists($dataClass)) { throw new InvalidArgumentException(sprintf('The data class "%s" is not a valid class.', $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 = array(); 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 = array(); 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; } /** * Alias of {@link getInheritData()}. * * @return FormConfigBuilder The configuration object. * * @deprecated Deprecated since version 2.3, to be removed in 3.0. Use * {@link getInheritData()} instead. */ public function getVirtual() { // Uncomment this as soon as the deprecation note should be shown // trigger_error('getVirtual() is deprecated since version 2.3 and will be removed in 3.0. Use getInheritData() instead.', E_USER_DEPRECATED); return $this->getInheritData(); } /** * {@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 === $this->requestHandler) { if (null === self::$nativeRequestProcessor) { self::$nativeRequestProcessor = new NativeRequestHandler(); } $this->requestHandler = self::$nativeRequestProcessor; } 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 = (Boolean) $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 = null === $errorBubbling ? null : (Boolean) $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 = (Boolean) $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 = $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 = $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 = $inheritData; return $this; } /** * Alias of {@link setInheritData()}. * * @param Boolean $inheritData Whether the form should inherit its parent's data. * * @return FormConfigBuilder The configuration object. * * @deprecated Deprecated since version 2.3, to be removed in 3.0. Use * {@link setInheritData()} instead. */ public function setVirtual($inheritData) { // Uncomment this as soon as the deprecation note should be shown // trigger_error('setVirtual() is deprecated since version 2.3 and will be removed in 3.0. Use setInheritData() instead.', E_USER_DEPRECATED); $this->setInheritData($inheritData); } /** * {@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 = $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 = $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 = $action; return $this; } /** * {@inheritdoc} */ public function setMethod($method) { if ($this->locked) { throw new BadMethodCallException('The config builder cannot be modified anymore.'); } $upperCaseMethod = strtoupper($method); if (!in_array($upperCaseMethod, self::$allowedMethods)) { throw new InvalidArgumentException(sprintf( 'The form method is "%s", but should be one of "%s".', $method, implode('", "', self::$allowedMethods) )); } $this->method = $upperCaseMethod; 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) { $this->autoInitialize = (Boolean) $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|integer $name The tested form name. * * @throws UnexpectedTypeException If the name is not a string or an integer. * @throws InvalidArgumentException If the name contains invalid characters. */ public static function validateName($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 $name The tested form name. * * @return Boolean Whether the name is valid. */ public static function isValidName($name) { return '' === $name || null === $name || preg_match('/^[a-zA-Z0-9_][a-zA-Z0-9_\-:]*$/D', $name); } }