329 lines
9.6 KiB
PHP
329 lines
9.6 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Form;
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use Symfony\Component\PropertyAccess\PropertyPathInterface;
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/**
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* A form group bundling multiple forms in a hierarchical structure.
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*
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* @author Bernhard Schussek <bschussek@gmail.com>
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*
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* @extends \ArrayAccess<string, FormInterface>
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* @extends \Traversable<string, FormInterface>
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*/
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interface FormInterface extends \ArrayAccess, \Traversable, \Countable
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{
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/**
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* Sets the parent form.
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*
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* @param FormInterface|null $parent The parent form or null if it's the root
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*
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* @return $this
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*
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* @throws Exception\AlreadySubmittedException if the form has already been submitted
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* @throws Exception\LogicException when trying to set a parent for a form with
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* an empty name
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*/
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public function setParent(self $parent = null);
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/**
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* Returns the parent form.
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*
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* @return self|null
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*/
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public function getParent();
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/**
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* Adds or replaces a child to the form.
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*
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* @param FormInterface|string $child The FormInterface instance or the name of the child
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* @param string|null $type The child's type, if a name was passed
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* @param array $options The child's options, if a name was passed
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*
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* @return $this
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*
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* @throws Exception\AlreadySubmittedException if the form has already been submitted
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* @throws Exception\LogicException when trying to add a child to a non-compound form
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* @throws Exception\UnexpectedTypeException if $child or $type has an unexpected type
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*/
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public function add($child, string $type = null, array $options = []);
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/**
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* Returns the child with the given name.
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*
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* @return self
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*
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* @throws Exception\OutOfBoundsException if the named child does not exist
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*/
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public function get(string $name);
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/**
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* Returns whether a child with the given name exists.
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*
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* @return bool
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*/
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public function has(string $name);
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/**
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* Removes a child from the form.
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*
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* @return $this
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*
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* @throws Exception\AlreadySubmittedException if the form has already been submitted
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*/
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public function remove(string $name);
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/**
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* Returns all children in this group.
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*
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* @return self[]
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*/
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public function all();
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/**
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* Returns the errors of this form.
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*
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* @param bool $deep Whether to include errors of child forms as well
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* @param bool $flatten Whether to flatten the list of errors in case
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* $deep is set to true
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*
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* @return FormErrorIterator
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*/
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public function getErrors(bool $deep = false, bool $flatten = true);
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/**
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* Updates the form with default model data.
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*
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* @param mixed $modelData The data formatted as expected for the underlying object
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*
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* @return $this
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*
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* @throws Exception\AlreadySubmittedException If the form has already been submitted
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* @throws Exception\LogicException if the view data does not match the expected type
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* according to {@link FormConfigInterface::getDataClass}
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* @throws Exception\RuntimeException If listeners try to call setData in a cycle or if
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* the form inherits data from its parent
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* @throws Exception\TransformationFailedException if the synchronization failed
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*/
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public function setData($modelData);
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/**
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* Returns the model data in the format needed for the underlying object.
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*
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* @return mixed When the field is not submitted, the default data is returned.
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* When the field is submitted, the default data has been bound
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* to the submitted view data.
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*
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* @throws Exception\RuntimeException If the form inherits data but has no parent
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*/
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public function getData();
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/**
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* Returns the normalized data of the field, used as internal bridge
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* between model data and view data.
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*
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* @return mixed When the field is not submitted, the default data is returned.
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* When the field is submitted, the normalized submitted data
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* is returned if the field is synchronized with the view data,
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* null otherwise.
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*
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* @throws Exception\RuntimeException If the form inherits data but has no parent
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*/
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public function getNormData();
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/**
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* Returns the view data of the field.
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*
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* It may be defined by {@link FormConfigInterface::getDataClass}.
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*
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* There are two cases:
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*
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* - When the form is compound the view data is mapped to the children.
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* Each child will use its mapped data as model data.
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* It can be an array, an object or null.
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*
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* - When the form is simple its view data is used to be bound
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* to the submitted data.
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* It can be a string or an array.
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*
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* In both cases the view data is the actual altered data on submission.
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*
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* @return mixed
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*
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* @throws Exception\RuntimeException If the form inherits data but has no parent
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*/
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public function getViewData();
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/**
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* Returns the extra submitted data.
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*
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* @return array The submitted data which do not belong to a child
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*/
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public function getExtraData();
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/**
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* Returns the form's configuration.
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*
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* @return FormConfigInterface
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*/
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public function getConfig();
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/**
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* Returns whether the form is submitted.
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*
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* @return bool
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*/
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public function isSubmitted();
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/**
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* Returns the name by which the form is identified in forms.
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*
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* Only root forms are allowed to have an empty name.
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*
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* @return string
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*/
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public function getName();
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/**
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* Returns the property path that the form is mapped to.
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*
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* @return PropertyPathInterface|null
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*/
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public function getPropertyPath();
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/**
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* Adds an error to this form.
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*
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* @return $this
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*/
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public function addError(FormError $error);
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/**
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* Returns whether the form and all children are valid.
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*
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* @throws Exception\LogicException if the form is not submitted
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*
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* @return bool
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*/
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public function isValid();
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/**
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* Returns whether the form is required to be filled out.
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*
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* If the form has a parent and the parent is not required, this method
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* will always return false. Otherwise the value set with setRequired()
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* is returned.
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*
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* @return bool
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*/
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public function isRequired();
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/**
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* Returns whether this form is disabled.
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*
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* The content of a disabled form is displayed, but not allowed to be
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* modified. The validation of modified disabled forms should fail.
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*
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* Forms whose parents are disabled are considered disabled regardless of
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* their own state.
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*
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* @return bool
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*/
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public function isDisabled();
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/**
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* Returns whether the form is empty.
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*
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* @return bool
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*/
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public function isEmpty();
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/**
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* Returns whether the data in the different formats is synchronized.
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*
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* If the data is not synchronized, you can get the transformation failure
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* by calling {@link getTransformationFailure()}.
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*
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* If the form is not submitted, this method always returns true.
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*
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* @return bool
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*/
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public function isSynchronized();
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/**
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* Returns the data transformation failure, if any, during submission.
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*
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* @return Exception\TransformationFailedException|null
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*/
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public function getTransformationFailure();
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/**
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* Initializes the form tree.
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*
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* Should be called on the root form after constructing the tree.
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*
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* @return $this
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*
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* @throws Exception\RuntimeException If the form is not the root
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*/
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public function initialize();
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/**
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* Inspects the given request and calls {@link submit()} if the form was
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* submitted.
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*
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* Internally, the request is forwarded to the configured
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* {@link RequestHandlerInterface} instance, which determines whether to
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* submit the form or not.
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*
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* @param mixed $request The request to handle
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*
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* @return $this
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*/
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public function handleRequest($request = null);
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/**
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* Submits data to the form.
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*
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* @param string|array|null $submittedData The submitted data
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* @param bool $clearMissing Whether to set fields to NULL
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* when they are missing in the
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* submitted data. This argument
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* is only used in compound form
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*
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* @return $this
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*
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* @throws Exception\AlreadySubmittedException if the form has already been submitted
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*/
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public function submit($submittedData, bool $clearMissing = true);
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/**
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* Returns the root of the form tree.
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*
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* @return self
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*/
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public function getRoot();
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/**
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* Returns whether the field is the root of the form tree.
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*
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* @return bool
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*/
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public function isRoot();
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/**
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* @return FormView
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*/
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public function createView(FormView $parent = null);
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}
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