vendor/knplabs/knp-components/src/Knp/Component/Pager/Event/Subscriber/Paginate/Doctrine/ORM/QuerySubscriber/UsesPaginator.php line 17

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  1. <?php
  3. namespace Knp\Component\Pager\Event\Subscriber\Paginate\Doctrine\ORM\QuerySubscriber;
  5. use Knp\Component\Pager\PaginatorInterface;
  6. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  7. use Knp\Component\Pager\Event\ItemsEvent;
  8. use Knp\Component\Pager\Event\Subscriber\Paginate\Doctrine\ORM\QuerySubscriber;
  9. use Doctrine\ORM\Query;
  10. use Doctrine\ORM\Tools\Pagination\Paginator;
  11. use Doctrine\ORM\Tools\Pagination\CountWalker;
  13. class UsesPaginator implements EventSubscriberInterface
  14. {
  15.     const HINT_FETCH_JOIN_COLLECTION = 'knp_paginator.fetch_join_collection';
  17.     public function items(ItemsEvent $event)
  18.     {
  19.         if (!class_exists('Doctrine\ORM\Tools\Pagination\Paginator')) {
  20.             return;
  21.         }
  22.         if (!$event->target instanceof Query) {
  23.             return;
  24.         }
  25.         $event->stopPropagation();
  27.         $useOutputWalkers = false;
  28.         if (isset($event->options['wrap-queries'])) {
  29.             $useOutputWalkers = $event->options['wrap-queries'];
  30.         }
  32.         $event->target
  33.             ->setFirstResult($event->getOffset())
  34.             ->setMaxResults($event->getLimit())
  35.             ->setHint(CountWalker::HINT_DISTINCT, $event->options[PaginatorInterface::DISTINCT])
  36.         ;
  38.         $fetchJoinCollection = true;
  39.         if ($event->target->hasHint(self::HINT_FETCH_JOIN_COLLECTION)) {
  40.             $fetchJoinCollection = $event->target->getHint(self::HINT_FETCH_JOIN_COLLECTION);
  41.         } else if (isset($event->options[PaginatorInterface::DISTINCT])) {
  42.             $fetchJoinCollection = $event->options[PaginatorInterface::DISTINCT];
  43.         }
  45.         $paginator = new Paginator($event->target, $fetchJoinCollection);
  46.         $paginator->setUseOutputWalkers($useOutputWalkers);
  47.         if (($count = $event->target->getHint(QuerySubscriber::HINT_COUNT)) !== false) {
  48.             $event->count = intval($count);
  49.         } else {
  50.             $event->count = count($paginator);
  51.         }
  52.         $event->items = iterator_to_array($paginator);
  53.     }
  55.     public static function getSubscribedEvents()
  56.     {
  57.         return array(
  58.             'knp_pager.items' => array('items', 0)
  59.         );
  60.     }
  61. }