| protected getNextForNode ( Neos\ContentRepository\Domain\Model\NodeInterface $contextNode ) : Neos\ContentRepository\Domain\Model\NodeInterface | ||
| $contextNode | Neos\ContentRepository\Domain\Model\NodeInterface | The node for which the preceding node should be found |
| return | Neos\ContentRepository\Domain\Model\NodeInterface | The preceding nodes of $contextNode or NULL |
protected function getNextForNode(NodeInterface $contextNode)
{
$nodesInContext = $contextNode->getParent()->getChildNodes();
$count = count($nodesInContext);
for ($i = 0; $i < $count; $i++) {
if ($nodesInContext[$i] === $contextNode) {
unset($nodesInContext[$i]);
return array_values($nodesInContext);
} else {
unset($nodesInContext[$i]);
}
}
return null;
}