117 lines
3.1 KiB
PHP
117 lines
3.1 KiB
PHP
<?php
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namespace TYPO3\CMS\Backend\Tree;
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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/**
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* Tree Node Collection
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*/
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class TreeNodeCollection extends \ArrayObject
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{
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/**
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* Constructor
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*
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* You can move an initial data array to initialize the instance and further objects.
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* This is useful for the deserialization.
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*
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* @param array $data
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*/
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public function __construct(array $data = [])
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{
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parent::__construct();
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if (!empty($data)) {
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$this->dataFromArray($data);
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}
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}
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/**
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* Sorts the internal nodes array
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*/
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public function asort()
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{
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$this->uasort([$this, 'nodeCompare']);
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}
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/**
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* Compares a node with another one
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*
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* @see \TYPO3\CMS\Backend\Tree\TreeNode::compareTo
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* @internal
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* @param TreeNode $node
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* @param TreeNode $otherNode
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* @return int
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*/
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public function nodeCompare(\TYPO3\CMS\Backend\Tree\TreeNode $node, \TYPO3\CMS\Backend\Tree\TreeNode $otherNode)
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{
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return $node->compareTo($otherNode);
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}
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/**
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* Returns the serialized instance
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*
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* @return string
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*/
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public function serialize()
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{
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return serialize($this->toArray());
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}
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/**
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* Initializes the current object with a serialized instance
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*
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* @param string $serializedString
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* @throws \TYPO3\CMS\Core\Exception if the deserialized is not identical to the current class
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*/
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public function unserialize($serializedString)
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{
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$arrayRepresentation = unserialize($serializedString);
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if ($arrayRepresentation['serializeClassName'] !== static::class) {
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throw new \TYPO3\CMS\Core\Exception('Deserialized object type is not identical!', 1294586647);
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}
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$this->dataFromArray($arrayRepresentation);
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}
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/**
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* Returns the collection in an array representation for e.g. serialization
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*
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* @return array
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*/
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public function toArray()
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{
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$arrayRepresentation = [
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'serializeClassName' => static::class
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];
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$iterator = $this->getIterator();
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while ($iterator->valid()) {
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$arrayRepresentation[] = $iterator->current()->toArray();
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$iterator->next();
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}
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return $arrayRepresentation;
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}
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/**
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* Sets the data of the node collection by a given array
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*
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* @param array $data
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*/
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public function dataFromArray($data)
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{
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unset($data['serializeClassName']);
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foreach ($data as $index => $nodeArray) {
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$node = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance($nodeArray['serializeClassName'], $nodeArray);
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$this->offsetSet($index, $node);
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}
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}
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}
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