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