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<?php |
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namespace Eccube\EventListener; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Knp\Component\Pager\Event\ItemsEvent; |
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use Knp\Component\Pager\Event\Subscriber\Paginate\Doctrine\ORM\QuerySubscriber; |
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use Doctrine\ORM\Query; |
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use Eccube\Doctrine\ORM\Tools\Pagination\Paginator; |
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use Eccube\Doctrine\ORM\Tools\Pagination\CountWalker; |
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class PaginatorListener implements EventSubscriberInterface |
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{ |
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const HINT_FETCH_JOIN_COLLECTION = 'knp_paginator.fetch_join_collection'; |
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public function items(ItemsEvent $event) |
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{ |
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if (!class_exists('Eccube\Doctrine\ORM\Tools\Pagination\Paginator')) { |
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return; |
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} |
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if (!$event->target instanceof Query) { |
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return; |
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} |
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$event->stopPropagation(); |
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$useOutputWalkers = false; |
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if (isset($event->options['wrap-queries'])) { |
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$useOutputWalkers = $event->options['wrap-queries']; |
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} |
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$event->target |
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->setFirstResult($event->getOffset()) |
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->setMaxResults($event->getLimit()) |
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->setHint(CountWalker::HINT_DISTINCT, $event->options['distinct']) |
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; |
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$fetchJoinCollection = true; |
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if ($event->target->hasHint(self::HINT_FETCH_JOIN_COLLECTION)) { |
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$fetchJoinCollection = $event->target->getHint(self::HINT_FETCH_JOIN_COLLECTION); |
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} |
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$paginator = new Paginator($event->target, $fetchJoinCollection); |
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$paginator->setUseOutputWalkers($useOutputWalkers); |
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if (($count = $event->target->getHint(QuerySubscriber::HINT_COUNT)) !== false) { |
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$event->count = intval($count); |
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} else { |
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$event->count = count($paginator); |
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} |
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$event->items = iterator_to_array($paginator); |
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} |
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public static function getSubscribedEvents() |
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{ |
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return array( |
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/** |
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* Knp\Component\Pager\Event\Subscriber\Paginate\Doctrine\ORM\QuerySubscriber\UsesPaginator |
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* よりも先に実行させるため, 優先度を1に設定. |
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* |
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* 通常では |
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* - Knp\Component\Pager\Event\Subscriber\Paginate\Doctrine\ORM\QueryBuilderSubscriber |
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* - Knp\Component\Pager\Event\Subscriber\Paginate\Doctrine\ORM\QuerySubscriber\UsesPaginator |
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* の順に実行されるが, |
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* 優先度を1に設定し, UsesPaginatorの代わりにPaginatorListenerが動作するようにする |
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*/ |
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'knp_pager.items' => array('items', 1) |
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); |
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} |
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} |
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