vendor/symfony/src/Symfony/Component/Form/FormBuilder.php
changeset 0 7f95f8617b0b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/Form/FormBuilder.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,699 @@
+<?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\Exception\CircularReferenceException;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+class FormBuilder
+{
+    /**
+     * @var string
+     */
+    private $name;
+
+    /**
+     * The form data in application format
+     * @var mixed
+     */
+    private $appData;
+
+    /**
+     * The event dispatcher
+     *
+     * @var EventDispatcherInterface
+     */
+    private $dispatcher;
+
+    /**
+     * The form factory
+     * @var FormFactoryInterface
+     */
+    private $factory;
+
+    /**
+     * @var Boolean
+     */
+    private $readOnly;
+
+    /**
+     * @var Boolean
+     */
+    private $required;
+
+    /**
+     * The transformers for transforming from normalized to client format and
+     * back
+     * @var array An array of DataTransformerInterface
+     */
+    private $clientTransformers = array();
+
+    /**
+     * The transformers for transforming from application to normalized format
+     * and back
+     * @var array An array of DataTransformerInterface
+     */
+    private $normTransformers = array();
+
+    /**
+     * @var array An array of FormValidatorInterface
+     */
+    private $validators = array();
+
+    /**
+     * Key-value store for arbitrary attributes attached to the form
+     * @var array
+     */
+    private $attributes = array();
+
+    /**
+     * @var array An array of FormTypeInterface
+     */
+    private $types = array();
+
+    /**
+     * @var string
+     */
+    private $dataClass;
+
+    /**
+     * The children of the form
+     * @var array
+     */
+    private $children = array();
+
+    /**
+     * @var DataMapperInterface
+     */
+    private $dataMapper;
+
+    /**
+     * Whether added errors should bubble up to the parent
+     * @var Boolean
+     */
+    private $errorBubbling = false;
+
+    /**
+     * Data used for the client data when no value is bound
+     * @var mixed
+     */
+    private $emptyData = '';
+
+    private $currentLoadingType;
+
+    /**
+     * Constructor.
+     *
+     * @param string                    $name
+     * @param FormFactoryInterface      $factory
+     * @param EventDispatcherInterface  $dispatcher
+     * @param string                    $dataClass
+     */
+    public function __construct($name, FormFactoryInterface $factory, EventDispatcherInterface $dispatcher, $dataClass = null)
+    {
+        $this->name = $name;
+        $this->factory = $factory;
+        $this->dispatcher = $dispatcher;
+        $this->dataClass = $dataClass;
+    }
+
+    /**
+     * Returns the associated form factory.
+     *
+     * @return FormFactoryInterface The factory
+     */
+    public function getFormFactory()
+    {
+        return $this->factory;
+    }
+
+    /**
+     * Returns the name of the form.
+     *
+     * @return string The form name
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    /**
+     * Updates the field with default data.
+     *
+     * @param array $appData The data formatted as expected for the underlying object
+     *
+     * @return FormBuilder The current builder
+     */
+    public function setData($appData)
+    {
+        $this->appData = $appData;
+
+        return $this;
+    }
+
+    /**
+     * Returns the data in the format needed for the underlying object.
+     *
+     * @return mixed
+     */
+    public function getData()
+    {
+        return $this->appData;
+    }
+
+    /**
+     * Set whether the form is read only
+     *
+     * @param Boolean $readOnly Whether the form is read only
+     *
+     * @return FormBuilder The current builder
+     */
+    public function setReadOnly($readOnly)
+    {
+        $this->readOnly = (Boolean) $readOnly;
+
+        return $this;
+    }
+
+    /**
+     * Returns whether the form is read only.
+     *
+     * @return Boolean Whether the form is read only
+     */
+    public function getReadOnly()
+    {
+        return $this->readOnly;
+    }
+
+    /**
+     * Sets whether this field is required to be filled out when bound.
+     *
+     * @param Boolean $required
+     *
+     * @return FormBuilder The current builder
+     */
+    public function setRequired($required)
+    {
+        $this->required = (Boolean) $required;
+
+        return $this;
+    }
+
+    /**
+     * Returns whether this field is required to be filled out when bound.
+     *
+     * @return Boolean Whether this field is required
+     */
+    public function getRequired()
+    {
+        return $this->required;
+    }
+
+    /**
+     * Sets whether errors bubble up to the parent.
+     *
+     * @param type $errorBubbling
+     *
+     * @return FormBuilder The current builder
+     */
+    public function setErrorBubbling($errorBubbling)
+    {
+        $this->errorBubbling = (Boolean) $errorBubbling;
+
+        return $this;
+    }
+
+    /**
+     * Returns whether errors bubble up to the parent.
+     *
+     * @return Boolean
+     */
+    public function getErrorBubbling()
+    {
+        return $this->errorBubbling;
+    }
+
+    /**
+     * Adds a validator to the form.
+     *
+     * @param FormValidatorInterface $validator The validator
+     *
+     * @return FormBuilder The current builder
+     */
+    public function addValidator(FormValidatorInterface $validator)
+    {
+        $this->validators[] = $validator;
+
+        return $this;
+    }
+
+    /**
+     * Returns the validators used by the form.
+     *
+     * @return array An array of FormValidatorInterface
+     */
+    public function getValidators()
+    {
+        return $this->validators;
+    }
+
+    /**
+     * Adds an event listener for events on this field
+     *
+     * @see Symfony\Component\EventDispatcher\EventDispatcherInterface::addListener
+     *
+     * @return FormBuilder The current builder
+     */
+    public function addEventListener($eventName, $listener, $priority = 0)
+    {
+        $this->dispatcher->addListener($eventName, $listener, $priority);
+
+        return $this;
+    }
+
+    /**
+     * Adds an event subscriber for events on this field
+     *
+     * @see Symfony\Component\EventDispatcher\EventDispatcherInterface::addSubscriber
+     *
+     * @return FormBuilder The current builder
+     */
+    public function addEventSubscriber(EventSubscriberInterface $subscriber)
+    {
+        $this->dispatcher->addSubscriber($subscriber);
+
+        return $this;
+    }
+
+    /**
+     * Appends a transformer to the normalization transformer chain
+     *
+     * @param DataTransformerInterface $clientTransformer
+     *
+     * @return FormBuilder The current builder
+     */
+    public function appendNormTransformer(DataTransformerInterface $normTransformer)
+    {
+        $this->normTransformers[] = $normTransformer;
+
+        return $this;
+    }
+
+    /**
+     * Prepends a transformer to the client transformer chain
+     *
+     * @param DataTransformerInterface $normTransformer
+     *
+     * @return FormBuilder The current builder
+     */
+    public function prependNormTransformer(DataTransformerInterface $normTransformer)
+    {
+        array_unshift($this->normTransformers, $normTransformer);
+
+        return $this;
+    }
+
+    /**
+     * Clears the normalization transformers.
+     *
+     * @return FormBuilder The current builder
+     */
+    public function resetNormTransformers()
+    {
+        $this->normTransformers = array();
+
+        return $this;
+    }
+
+    /**
+     * Returns all the normalization transformers.
+     *
+     * @return array An array of DataTransformerInterface
+     */
+    public function getNormTransformers()
+    {
+        return $this->normTransformers;
+    }
+
+    /**
+     * Appends a transformer to the client transformer chain
+     *
+     * @param DataTransformerInterface $clientTransformer
+     *
+     * @return FormBuilder The current builder
+     */
+    public function appendClientTransformer(DataTransformerInterface $clientTransformer)
+    {
+        $this->clientTransformers[] = $clientTransformer;
+
+        return $this;
+    }
+
+    /**
+     * Prepends a transformer to the client transformer chain
+     *
+     * @param DataTransformerInterface $clientTransformer
+     *
+     * @return FormBuilder The current builder
+     */
+    public function prependClientTransformer(DataTransformerInterface $clientTransformer)
+    {
+        array_unshift($this->clientTransformers, $clientTransformer);
+
+        return $this;
+    }
+
+    /**
+     * Clears the client transformers.
+     *
+     * @return FormBuilder The current builder
+     */
+    public function resetClientTransformers()
+    {
+        $this->clientTransformers = array();
+
+        return $this;
+    }
+
+    /**
+     * Returns all the client transformers.
+     *
+     * @return array An array of DataTransformerInterface
+     */
+    public function getClientTransformers()
+    {
+        return $this->clientTransformers;
+    }
+
+    /**
+     * Sets the value for an attribute.
+     *
+     * @param string $name  The name of the attribute
+     * @param string $value The value of the attribute
+     *
+     * @return FormBuilder The current builder
+     */
+    public function setAttribute($name, $value)
+    {
+        $this->attributes[$name] = $value;
+
+        return $this;
+    }
+
+    /**
+     * Returns the value of the attributes with the given name.
+     *
+     * @param string $name The name of the attribute
+     */
+    public function getAttribute($name)
+    {
+        return $this->attributes[$name];
+    }
+
+    /**
+     * Returns whether the form has an attribute with the given name.
+     *
+     * @param string $name The name of the attribute
+     */
+    public function hasAttribute($name)
+    {
+        return isset($this->attributes[$name]);
+    }
+
+    /**
+     * Returns all the attributes.
+     *
+     * @return array An array of attributes
+     */
+    public function getAttributes()
+    {
+        return $this->attributes;
+    }
+
+    /**
+     * Sets the data mapper used by the form.
+     *
+     * @param DataMapperInterface $dataMapper
+     *
+     * @return FormBuilder The current builder
+     */
+    public function setDataMapper(DataMapperInterface $dataMapper)
+    {
+        $this->dataMapper = $dataMapper;
+
+        return $this;
+    }
+
+    /**
+     * Returns the data mapper used by the form.
+     *
+     * @return array An array of DataMapperInterface
+     */
+    public function getDataMapper()
+    {
+        return $this->dataMapper;
+    }
+
+    /**
+     * Set the types.
+     *
+     * @param array $types An array FormTypeInterface
+     *
+     * @return FormBuilder The current builder
+     */
+    public function setTypes(array $types)
+    {
+        $this->types = $types;
+
+        return $this;
+    }
+
+    /**
+     * Return the types.
+     *
+     * @return array An array of FormTypeInterface
+     */
+    public function getTypes()
+    {
+        return $this->types;
+    }
+
+    /**
+     * Sets the data used for the client data when no value is bound.
+     *
+     * @param mixed $emptyData
+     */
+    public function setEmptyData($emptyData)
+    {
+        $this->emptyData = $emptyData;
+
+        return $this;
+    }
+
+    /**
+     * Returns the data used for the client data when no value is bound.
+     *
+     * @return mixed
+     */
+    public function getEmptyData()
+    {
+        return $this->emptyData;
+    }
+
+    /**
+     * Adds a new field to this group. A field must have a unique name within
+     * the group. Otherwise the existing field is overwritten.
+     *
+     * If you add a nested group, this group should also be represented in the
+     * object hierarchy.
+     *
+     * @param string|FormBuilder       $child
+     * @param string|FormTypeInterface $type
+     * @param array                    $options
+     *
+     * @return FormBuilder The current builder
+     */
+    public function add($child, $type = null, array $options = array())
+    {
+        if ($child instanceof self) {
+            $this->children[$child->getName()] = $child;
+
+            return $this;
+        }
+
+        if (!is_string($child)) {
+            throw new UnexpectedTypeException($child, 'string or Symfony\Component\Form\FormBuilder');
+        }
+
+        if (null !== $type && !is_string($type) && !$type instanceof FormTypeInterface) {
+            throw new UnexpectedTypeException($type, 'string or Symfony\Component\Form\FormTypeInterface');
+        }
+
+        if ($this->currentLoadingType && ($type instanceof FormTypeInterface ? $type->getName() : $type) == $this->currentLoadingType) {
+            throw new CircularReferenceException(is_string($type) ? $this->getFormFactory()->getType($type) : $type);
+        }
+
+        $this->children[$child] = array(
+            'type'      => $type,
+            'options'   => $options,
+        );
+
+        return $this;
+    }
+
+    /**
+     * Creates a form builder.
+     *
+     * @param string                    $name    The name of the form or the name of the property
+     * @param string|FormTypeInterface  $type    The type of the form or null if name is a property
+     * @param array                     $options The options
+     *
+     * @return FormBuilder The builder
+     */
+    public function create($name, $type = null, array $options = array())
+    {
+        if (null === $type && !$this->dataClass) {
+            $type = 'text';
+        }
+
+        if (null !== $type) {
+            return $this->getFormFactory()->createNamedBuilder($type, $name, null, $options);
+        }
+
+        return $this->getFormFactory()->createBuilderForProperty($this->dataClass, $name, null, $options);
+    }
+
+    /**
+     * Returns a child by name.
+     *
+     * @param string $name The name of the child
+     *
+     * @return FormBuilder The builder for the child
+     *
+     * @throws FormException if the given child does not exist
+     */
+    public function get($name)
+    {
+        if (!isset($this->children[$name])) {
+            throw new FormException(sprintf('The field "%s" does not exist', $name));
+        }
+
+        if (!$this->children[$name] instanceof FormBuilder) {
+            $this->children[$name] = $this->create(
+                $name,
+                $this->children[$name]['type'],
+                $this->children[$name]['options']
+            );
+        }
+
+        return $this->children[$name];
+    }
+
+    /**
+     * Removes the field with the given name.
+     *
+     * @param string $name
+     *
+     * @return FormBuilder The current builder
+     */
+    public function remove($name)
+    {
+        if (isset($this->children[$name])) {
+            unset($this->children[$name]);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Returns whether a field with the given name exists.
+     *
+     * @param  string $name
+     *
+     * @return Boolean
+     */
+    public function has($name)
+    {
+        return isset($this->children[$name]);
+    }
+
+    /**
+     * Creates the form.
+     *
+     * @return Form The form
+     */
+    public function getForm()
+    {
+        $instance = new Form(
+            $this->getName(),
+            $this->buildDispatcher(),
+            $this->getTypes(),
+            $this->getClientTransformers(),
+            $this->getNormTransformers(),
+            $this->getDataMapper(),
+            $this->getValidators(),
+            $this->getRequired(),
+            $this->getReadOnly(),
+            $this->getErrorBubbling(),
+            $this->getEmptyData(),
+            $this->getAttributes()
+        );
+
+        foreach ($this->buildChildren() as $child) {
+            $instance->add($child);
+        }
+
+        if (null !== $this->getData()) {
+            $instance->setData($this->getData());
+        }
+
+        return $instance;
+    }
+
+    public function setCurrentLoadingType($type)
+    {
+        $this->currentLoadingType = $type;
+    }
+
+    /**
+     * Returns the event dispatcher.
+     *
+     * @return type
+     */
+    protected function buildDispatcher()
+    {
+        return $this->dispatcher;
+    }
+
+    /**
+     * Creates the children.
+     *
+     * @return array An array of Form
+     */
+    protected function buildChildren()
+    {
+        $children = array();
+
+        foreach ($this->children as $name => $builder) {
+            if (!$builder instanceof FormBuilder) {
+                $builder = $this->create($name, $builder['type'], $builder['options']);
+            }
+
+            $children[$builder->getName()] = $builder->getForm();
+        }
+
+        return $children;
+    }
+}