9.5/_tree_node_8php_source.html

<?php

namespace ‪TYPO3\CMS\Backend\Tree;


/*

 * This file is part of the TYPO3 CMS project.

 *

 * It is free software; you can redistribute it and/or modify it under

 * the terms of the GNU General Public License, either version 2

 * of the License, or any later version.

 *

 * For the full copyright and license information, please read the

 * LICENSE.txt file that was distributed with this source code.

 *

 * The TYPO3 project - inspiring people to share!

 */


use ‪TYPO3\CMS\Core\Utility\GeneralUtility;


class ‪TreeNode implements ‪\TYPO3\CMS\Backend\Tree\ComparableNodeInterface, \Serializable

{

    protected ‪$id = '';


    protected ‪$parentNode;


    protected ‪$childNodes;


    public function ‪__construct(array $data = [])

    {

        if (!empty($data)) {

            $this->‪dataFromArray($data);

        }

    }


    public function ‪setChildNodes(\‪TYPO3\CMS\Backend\Tree\‪TreeNodeCollection ‪$childNodes)

    {

        $this->childNodes = ‪$childNodes;

    }


    public function ‪removeChildNodes()

    {

        if ($this->childNodes !== null) {

            unset($this->childNodes);

            $this->childNodes = null;

        }

    }


    public function ‪getChildNodes()

    {

        return ‪$this->childNodes;

    }


    public function ‪hasChildNodes()

    {

        if ($this->childNodes !== null) {

            return true;

        }

        return false;

    }


    public function ‪setId(‪$id)

    {

        $this->id = ‪$id;

    }


    public function ‪getId()

    {

        return ‪$this->id;

    }


    public function ‪setParentNode(\‪TYPO3\CMS\Backend\Tree\‪TreeNode ‪$parentNode = null)

    {

        $this->parentNode = ‪$parentNode;

    }


    public function ‪getParentNode()

    {

        return ‪$this->parentNode;

    }


    public function ‪equals(\‪TYPO3\CMS\Backend\Tree\‪TreeNode $other)

    {

        return $this->id == $other->getId();

    }


    public function ‪compareTo($other)

    {

        if ($this->‪equals($other)) {

            return 0;

        }

        return $this->id > $other->getId() ? 1 : -1;

    }


    public function ‪toArray($addChildNodes = true)

    {

        $arrayRepresentation = [

            'serializeClassName' => static::class,

            'id' => ‪$this->id

        ];

        if ($this->parentNode !== null) {

            $arrayRepresentation['parentNode'] = $this->parentNode->toArray(false);

        } else {

            $arrayRepresentation['parentNode'] = '';

        }

        if ($this->‪hasChildNodes() && $addChildNodes) {

            $arrayRepresentation['childNodes'] = $this->childNodes->toArray();

        } else {

            $arrayRepresentation['childNodes'] = '';

        }

        return $arrayRepresentation;

    }


    public function ‪dataFromArray($data)

    {

        $this->‪setId($data['id']);

        if (isset($data['parentNode']) && $data['parentNode'] !== '') {

            $this->‪setParentNode(GeneralUtility::makeInstance($data['parentNode']['serializeClassName'], $data['parentNode']));

        }

        if (isset($data['childNodes']) && $data['childNodes'] !== '') {

            $this->‪setChildNodes(GeneralUtility::makeInstance($data['childNodes']['serializeClassName'], $data['childNodes']));

        }

    }


    public function ‪serialize()

    {

        return ‪serialize($this->‪toArray());

    }


    public function ‪unserialize($serializedString)

    {

        $arrayRepresentation = ‪unserialize($serializedString);

        if ($arrayRepresentation['serializeClassName'] !== static::class) {

            throw new \TYPO3\CMS\Core\Exception('Deserialized object type is not identical!', 1294586646);

        }

        $this->‪dataFromArray($arrayRepresentation);

    }

}