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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\Form\Util\PropertyPath;
use Symfony\Component\Form\Util\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
{
/**
* @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 $virtual = 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 array
*/
private $validators = array();
/**
* @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 array
*/
private $options;
/**
* Creates an empty form configuration.
*
* @param string $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())
{
$name = (string) $name;
self::validateName($name);
if (null !== $dataClass && !class_exists($dataClass)) {
throw new \InvalidArgumentException(sprintf('The data class "%s" is not a valid class.', $dataClass));
}
$this->name = $name;
$this->dataClass = $dataClass;
$this->dispatcher = $dispatcher;
$this->options = $options;
}
/**
* {@inheritdoc}
*/
public function addEventListener($eventName, $listener, $priority = 0)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
$this->dispatcher->addListener($eventName, $listener, $priority);
return $this;
}
/**
* {@inheritdoc}
*/
public function addEventSubscriber(EventSubscriberInterface $subscriber)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
$this->dispatcher->addSubscriber($subscriber);
return $this;
}
/**
* {@inheritdoc}
*/
public function addValidator(FormValidatorInterface $validator)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
$this->validators[] = $validator;
return $this;
}
/**
* {@inheritdoc}
*/
public function addViewTransformer(DataTransformerInterface $viewTransformer, $forcePrepend = false)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
if ($forcePrepend) {
array_unshift($this->viewTransformers, $viewTransformer);
} else {
$this->viewTransformers[] = $viewTransformer;
}
return $this;
}
/**
* {@inheritdoc}
*/
public function resetViewTransformers()
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
$this->viewTransformers = array();
return $this;
}
/**
* Alias of {@link addViewTransformer()}.
*
* @param DataTransformerInterface $viewTransformer
*
* @return FormConfigBuilder The configuration object.
*
* @throws FormException if the form configuration is locked
*
* @deprecated Deprecated since version 2.1, to be removed in 2.3. Use
* {@link addViewTransformer()} instead.
*/
public function appendClientTransformer(DataTransformerInterface $viewTransformer)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
return $this->addViewTransformer($viewTransformer);
}
/**
* Prepends a transformer to the client transformer chain.
*
* @param DataTransformerInterface $viewTransformer
*
* @return FormConfigBuilder The configuration object.
*
* @throws FormException if the form configuration is locked
*
* @deprecated Deprecated since version 2.1, to be removed in 2.3.
*/
public function prependClientTransformer(DataTransformerInterface $viewTransformer)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
return $this->addViewTransformer($viewTransformer, true);
}
/**
* Alias of {@link resetViewTransformers()}.
*
* @return FormConfigBuilder The configuration object.
*
* @throws FormException if the form configuration is locked
*
* @deprecated Deprecated since version 2.1, to be removed in 2.3. Use
* {@link resetViewTransformers()} instead.
*/
public function resetClientTransformers()
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
return $this->resetViewTransformers();
}
/**
* {@inheritdoc}
*/
public function addModelTransformer(DataTransformerInterface $modelTransformer, $forceAppend = false)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
if ($forceAppend) {
$this->modelTransformers[] = $modelTransformer;
} else {
array_unshift($this->modelTransformers, $modelTransformer);
}
return $this;
}
/**
* {@inheritdoc}
*/
public function resetModelTransformers()
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
$this->modelTransformers = array();
return $this;
}
/**
* Appends a transformer to the normalization transformer chain
*
* @param DataTransformerInterface $modelTransformer
*
* @return FormConfigBuilder The configuration object.
*
* @throws FormException if the form configuration is locked
*
* @deprecated Deprecated since version 2.1, to be removed in 2.3.
*/
public function appendNormTransformer(DataTransformerInterface $modelTransformer)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
return $this->addModelTransformer($modelTransformer, true);
}
/**
* Alias of {@link addModelTransformer()}.
*
* @param DataTransformerInterface $modelTransformer
*
* @return FormConfigBuilder The configuration object.
*
* @throws FormException if the form configuration is locked
*
* @deprecated Deprecated since version 2.1, to be removed in 2.3. Use
* {@link addModelTransformer()} instead.
*/
public function prependNormTransformer(DataTransformerInterface $modelTransformer)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
return $this->addModelTransformer($modelTransformer);
}
/**
* Alias of {@link resetModelTransformers()}.
*
* @return FormConfigBuilder The configuration object.
*
* @throws FormException if the form configuration is locked
*
* @deprecated Deprecated since version 2.1, to be removed in 2.3. Use
* {@link resetModelTransformers()} instead.
*/
public function resetNormTransformers()
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
return $this->resetModelTransformers();
}
/**
* {@inheritdoc}
*/
public function getEventDispatcher()
{
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 getVirtual()
{
return $this->virtual;
}
/**
* {@inheritdoc}
*/
public function getCompound()
{
return $this->compound;
}
/**
* {@inheritdoc}
*/
public function getType()
{
return $this->type;
}
/**
* {@inheritdoc}
*/
public function getViewTransformers()
{
return $this->viewTransformers;
}
/**
* Alias of {@link getViewTransformers()}.
*
* @return array The view transformers.
*
* @deprecated Deprecated since version 2.1, to be removed in 2.3. Use
* {@link getViewTransformers()} instead.
*/
public function getClientTransformers()
{
return $this->getViewTransformers();
}
/**
* {@inheritdoc}
*/
public function getModelTransformers()
{
return $this->modelTransformers;
}
/**
* Alias of {@link getModelTransformers()}.
*
* @return array The model transformers.
*
* @deprecated Deprecated since version 2.1, to be removed in 2.3. Use
* {@link getModelTransformers()} instead.
*/
public function getNormTransformers()
{
return $this->getModelTransformers();
}
/**
* {@inheritdoc}
*/
public function getDataMapper()
{
return $this->dataMapper;
}
/**
* {@inheritdoc}
*/
public function getValidators()
{
return $this->validators;
}
/**
* {@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 isset($this->attributes[$name]);
}
/**
* {@inheritdoc}
*/
public function getAttribute($name, $default = null)
{
return isset($this->attributes[$name]) ? $this->attributes[$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 getOptions()
{
return $this->options;
}
/**
* {@inheritdoc}
*/
public function hasOption($name)
{
return isset($this->options[$name]);
}
/**
* {@inheritdoc}
*/
public function getOption($name, $default = null)
{
return isset($this->options[$name]) ? $this->options[$name] : $default;
}
/**
* {@inheritdoc}
*/
public function setAttribute($name, $value)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
$this->attributes[$name] = $value;
return $this;
}
/**
* {@inheritdoc}
*/
public function setAttributes(array $attributes)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
$this->attributes = $attributes;
return $this;
}
/**
* {@inheritdoc}
*/
public function setDataMapper(DataMapperInterface $dataMapper = null)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
$this->dataMapper = $dataMapper;
return $this;
}
/**
* {@inheritdoc}
*/
public function setDisabled($disabled)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
$this->disabled = (Boolean) $disabled;
return $this;
}
/**
* {@inheritdoc}
*/
public function setEmptyData($emptyData)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
$this->emptyData = $emptyData;
return $this;
}
/**
* {@inheritdoc}
*/
public function setErrorBubbling($errorBubbling)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
$this->errorBubbling = null === $errorBubbling ? null : (Boolean) $errorBubbling;
return $this;
}
/**
* {@inheritdoc}
*/
public function setRequired($required)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
$this->required = (Boolean) $required;
return $this;
}
/**
* {@inheritdoc}
*/
public function setPropertyPath($propertyPath)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
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 FormException('The config builder cannot be modified anymore.');
}
$this->mapped = $mapped;
return $this;
}
/**
* {@inheritdoc}
*/
public function setByReference($byReference)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
$this->byReference = $byReference;
return $this;
}
/**
* {@inheritdoc}
*/
public function setVirtual($virtual)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
$this->virtual = $virtual;
return $this;
}
/**
* {@inheritdoc}
*/
public function setCompound($compound)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
$this->compound = $compound;
return $this;
}
/**
* {@inheritdoc}
*/
public function setType(ResolvedFormTypeInterface $type)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
$this->type = $type;
return $this;
}
/**
* {@inheritdoc}
*/
public function setData($data)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
$this->data = $data;
return $this;
}
/**
* {@inheritdoc}
*/
public function setDataLocked($locked)
{
if ($this->locked) {
throw new FormException('The config builder cannot be modified anymore.');
}
$this->dataLocked = $locked;
return $this;
}
/**
* {@inheritdoc}
*/
public function getFormConfig()
{
// This method should be idempotent, so clone the builder
$config = clone $this;
$config->locked = true;
if (!$config->dispatcher instanceof ImmutableEventDispatcher) {
$config->dispatcher = new ImmutableEventDispatcher($config->dispatcher);
}
return $config;
}
/**
* Validates whether the given variable is a valid form name.
*
* @param string $name The tested form name.
*
* @throws UnexpectedTypeException If the name is not a string.
* @throws \InvalidArgumentException If the name contains invalid characters.
*/
public static function validateName($name)
{
if (!is_string($name)) {
throw new UnexpectedTypeException($name, 'string');
}
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 '' === $name || preg_match('/^[a-zA-Z0-9_][a-zA-Z0-9_\-:]*$/D', $name);
}
}
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