/
PropertyPathMapper.php
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/
PropertyPathMapper.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\Extension\Core\DataMapper;
use Symfony\Component\Form\FormInterface;
use Symfony\Component\Form\DataMapperInterface;
use Symfony\Component\Form\Util\VirtualFormAwareIterator;
use Symfony\Component\Form\Exception\UnexpectedTypeException;
class PropertyPathMapper implements DataMapperInterface
{
/**
* {@inheritdoc}
*/
public function mapDataToForms($data, array $forms)
{
if (!empty($data) && !is_array($data) && !is_object($data)) {
throw new UnexpectedTypeException($data, 'Object, array or empty');
}
if (!empty($data)) {
$iterator = new VirtualFormAwareIterator($forms);
$iterator = new \RecursiveIteratorIterator($iterator);
foreach ($iterator as $form) {
$this->mapDataToForm($data, $form);
}
}
}
/**
* {@inheritdoc}
*/
public function mapDataToForm($data, FormInterface $form)
{
if (!empty($data)) {
$propertyPath = $form->getPropertyPath();
$config = $form->getConfig();
if (null !== $propertyPath && $config->getMapped()) {
$propertyData = $propertyPath->getValue($data);
if (is_object($propertyData) && !$form->getAttribute('by_reference')) {
$propertyData = clone $propertyData;
}
$form->setData($propertyData);
}
}
}
/**
* {@inheritdoc}
*/
public function mapFormsToData(array $forms, &$data)
{
$iterator = new VirtualFormAwareIterator($forms);
$iterator = new \RecursiveIteratorIterator($iterator);
foreach ($iterator as $form) {
$this->mapFormToData($form, $data);
}
}
/**
* {@inheritdoc}
*/
public function mapFormToData(FormInterface $form, &$data)
{
$propertyPath = $form->getPropertyPath();
$config = $form->getConfig();
// Write-back is disabled if the form is not synchronized (transformation failed)
// and if the form is disabled (modification not allowed)
if (null !== $propertyPath && $config->getMapped() && $form->isSynchronized() && !$form->isDisabled()) {
// If the data is identical to the value in $data, we are
// dealing with a reference
$isReference = $form->getData() === $propertyPath->getValue($data);
$byReference = $form->getAttribute('by_reference');
if (!(is_object($data) && $isReference && $byReference)) {
$propertyPath->setValue($data, $form->getData());
}
}
}
}