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<?php |
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/* |
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* This file is part of Sulu. |
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* |
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* (c) MASSIVE ART WebServices GmbH |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace Sulu\Component\DocumentManager\Subscriber\Phpcr; |
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use PHPCR\NodeInterface; |
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use PHPCR\Util\PathHelper; |
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use PHPCR\Util\UUIDHelper; |
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use Sulu\Component\DocumentManager\DocumentRegistry; |
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use Sulu\Component\DocumentManager\Event\ReorderEvent; |
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use Sulu\Component\DocumentManager\Events; |
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use Sulu\Component\DocumentManager\Exception\DocumentManagerException; |
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use Sulu\Component\DocumentManager\NodeManager; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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/** |
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* Handles the document reorder operation. |
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*/ |
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class ReorderSubscriber implements EventSubscriberInterface |
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{ |
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/** |
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* @var NodeManager |
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*/ |
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private $nodeManager; |
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/** |
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* @var DocumentRegistry |
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*/ |
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private $documentRegistry; |
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/** |
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* @param NodeManager $nodeManager |
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* @param DocumentRegistry $documentRegistry |
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*/ |
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public function __construct(NodeManager $nodeManager, DocumentRegistry $documentRegistry) |
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{ |
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$this->nodeManager = $nodeManager; |
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$this->documentRegistry = $documentRegistry; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public static function getSubscribedEvents() |
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{ |
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return [ |
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Events::REORDER => ['handleReorder', 500], |
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]; |
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} |
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/** |
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* Handle the reorder operation. |
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* |
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* @param ReorderEvent $event |
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* |
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* @throws DocumentManagerException |
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*/ |
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public function handleReorder(ReorderEvent $event) |
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{ |
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$document = $event->getDocument(); |
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$siblingId = $event->getDestId(); |
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$after = $event->getAfter(); |
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$node = $this->documentRegistry->getNodeForDocument($document); |
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$parentNode = $node->getParent(); |
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$nodeName = $node->getName(); |
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$siblingName = $this->resolveSiblingName($siblingId, $parentNode, $node); |
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if (true === $after) { |
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$siblingName = $this->resolveAfterSiblingName($parentNode, $siblingName); |
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} |
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$parentNode->orderBefore($nodeName, $siblingName); |
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} |
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private function resolveSiblingName($siblingId, NodeInterface $parentNode, NodeInterface $node) |
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{ |
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if (null === $siblingId) { |
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return; |
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} |
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$siblingPath = $siblingId; |
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if (UUIDHelper::isUUID($siblingId)) { |
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$siblingPath = $this->nodeManager->find($siblingId)->getPath(); |
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} |
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if ($siblingPath !== null && PathHelper::getParentPath($siblingPath) !== $parentNode->getPath()) { |
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throw new DocumentManagerException(sprintf( |
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'Cannot reorder documents which are not siblings. Trying to reorder "%s" to "%s"', |
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$node->getPath(), $siblingPath |
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)); |
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} |
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if (null !== $siblingPath) { |
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return PathHelper::getNodeName($siblingPath); |
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} |
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return $node->getName(); |
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} |
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/** |
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* If the node should be ordered after the target then we need to order the |
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* node before the sibling after the target sibling. If the node should be the |
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* last sibling, then the target sibling should be NULL. |
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* |
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* @param NodeInterface $parentNode |
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* @param string $siblingName |
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* |
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* @return string |
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*/ |
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private function resolveAfterSiblingName(NodeInterface $parentNode, $siblingName) |
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{ |
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$targetName = null; |
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$found = false; |
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foreach (array_keys($parentNode->getNodes()) as $name) { |
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if ($name === $siblingName) { |
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$found = true; |
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continue; |
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} elseif ($found) { |
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$targetName = $name; |
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break; |
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} |
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} |
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return $targetName; |
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} |
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} |
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sulu-io /
sulu-document-manager
