kekrozsak/vendor/symfony/symfony/src/Symfony/Bridge/Doctrine/Form/Type/DoctrineType.php

157 lines
4.9 KiB
PHP

<?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\Bridge\Doctrine\Form\Type;
use Doctrine\Common\Persistence\ManagerRegistry;
use Doctrine\Common\Persistence\ObjectManager;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Bridge\Doctrine\Form\ChoiceList\EntityChoiceList;
use Symfony\Bridge\Doctrine\Form\ChoiceList\EntityLoaderInterface;
use Symfony\Bridge\Doctrine\Form\EventListener\MergeDoctrineCollectionListener;
use Symfony\Bridge\Doctrine\Form\DataTransformer\CollectionToArrayTransformer;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\OptionsResolver\Options;
use Symfony\Component\OptionsResolver\OptionsResolverInterface;
abstract class DoctrineType extends AbstractType
{
/**
* @var ManagerRegistry
*/
protected $registry;
/**
* @var array
*/
private $choiceListCache = array();
public function __construct(ManagerRegistry $registry)
{
$this->registry = $registry;
}
public function buildForm(FormBuilderInterface $builder, array $options)
{
if ($options['multiple']) {
$builder
->addEventSubscriber(new MergeDoctrineCollectionListener())
->addViewTransformer(new CollectionToArrayTransformer(), true)
;
}
}
public function setDefaultOptions(OptionsResolverInterface $resolver)
{
$choiceListCache =& $this->choiceListCache;
$registry = $this->registry;
$type = $this;
$loader = function (Options $options) use ($type) {
if (null !== $options['query_builder']) {
return $type->getLoader($options['em'], $options['query_builder'], $options['class']);
}
return null;
};
$choiceList = function (Options $options) use (&$choiceListCache, &$time) {
// Support for closures
$propertyHash = is_object($options['property'])
? spl_object_hash($options['property'])
: $options['property'];
$choiceHashes = $options['choices'];
// Support for recursive arrays
if (is_array($choiceHashes)) {
// A second parameter ($key) is passed, so we cannot use
// spl_object_hash() directly (which strictly requires
// one parameter)
array_walk_recursive($choiceHashes, function ($value) {
return spl_object_hash($value);
});
}
// Support for custom loaders (with query builders)
$loaderHash = is_object($options['loader'])
? spl_object_hash($options['loader'])
: $options['loader'];
// Support for closures
$groupByHash = is_object($options['group_by'])
? spl_object_hash($options['group_by'])
: $options['group_by'];
$hash = md5(json_encode(array(
spl_object_hash($options['em']),
$options['class'],
$propertyHash,
$loaderHash,
$choiceHashes,
$groupByHash
)));
if (!isset($choiceListCache[$hash])) {
$choiceListCache[$hash] = new EntityChoiceList(
$options['em'],
$options['class'],
$options['property'],
$options['loader'],
$options['choices'],
$options['group_by']
);
}
return $choiceListCache[$hash];
};
$emFilter = function (Options $options, $em) use ($registry) {
/* @var ManagerRegistry $registry */
if (null !== $em) {
return $registry->getManager($em);
}
return $registry->getManagerForClass($options['class']);
};
$resolver->setDefaults(array(
'em' => null,
'class' => null,
'property' => null,
'query_builder' => null,
'loader' => $loader,
'choices' => null,
'choice_list' => $choiceList,
'group_by' => null,
));
$resolver->setFilters(array(
'em' => $emFilter,
));
}
/**
* Return the default loader object.
*
* @param ObjectManager $manager
* @param mixed $queryBuilder
* @param string $class
* @return EntityLoaderInterface
*/
abstract public function getLoader(ObjectManager $manager, $queryBuilder, $class);
public function getParent()
{
return 'choice';
}
}