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<?php
declare(strict_types=1);
namespace StefanoTree\NestedSet\AddStrategy;
use StefanoTree\Exception\ValidationException;
use StefanoTree\NestedSet\NodeInfo;
class Top extends AddStrategyAbstract
{
/**
* {@inheritdoc}
*/
protected function canCreateNewNode(NodeInfo $targetNode): void
if ($targetNode->isRoot()) {
throw new ValidationException('Cannot create node. Target node is root. Root node cannot have sibling.');
}
protected function makeHole(NodeInfo $targetNode): void
$moveFromIndex = $targetNode->getLeft() - 1;
$this->getManipulator()->moveLeftIndexes($moveFromIndex, 2, $targetNode->getScope());
$this->getManipulator()->moveRightIndexes($moveFromIndex, 2, $targetNode->getScope());
protected function createNewNodeNodeInfo(NodeInfo $targetNode): NodeInfo
return new NodeInfo(
null,
$targetNode->getParentId(),
$targetNode->getLevel(),
$targetNode->getLeft(),
$targetNode->getLeft() + 1,
$targetNode->getScope()
);
bartko-s /
stefano-tree
