/
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\FormException;
use Symfony\Component\Form\Exception\UnexpectedTypeException;
class PropertyPathMapper implements DataMapperInterface
{
/**
* Stores the class that the data of this form must be instances of
* @var string
*/
private $dataClass;
public function __construct($dataClass = null)
{
$this->dataClass = $dataClass;
}
/**
*
* @param dataClass $data
* @param array $forms
*
* @throws UnexpectedTypeException if the type of the data parameter is not supported
*/
public function mapDataToForms($data, array $forms)
{
if (!empty($data) && !is_array($data) && !is_object($data)) {
throw new UnexpectedTypeException($data, 'Object, array or empty');
}
if (!empty($data)) {
if (null !== $this->dataClass && !$data instanceof $this->dataClass) {
throw new UnexpectedTypeException($data, $this->dataClass);
}
$iterator = new VirtualFormAwareIterator($forms);
$iterator = new \RecursiveIteratorIterator($iterator);
foreach ($iterator as $form) {
$this->mapDataToForm($data, $form);
}
}
}
public function mapDataToForm($data, FormInterface $form)
{
if (!empty($data)) {
if ($form->getAttribute('property_path') !== null) {
$form->setData($form->getAttribute('property_path')->getValue($data));
}
}
}
public function mapFormsToData(array $forms, &$data)
{
$iterator = new VirtualFormAwareIterator($forms);
$iterator = new \RecursiveIteratorIterator($iterator);
foreach ($iterator as $form) {
$this->mapFormToData($form, $data);
}
}
public function mapFormToData(FormInterface $form, &$data)
{
if ($form->getAttribute('property_path') !== null && $form->isSynchronized()) {
$propertyPath = $form->getAttribute('property_path');
// 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());
}
}
}
}