9.5/_array_tree_renderer_8php_source.html

<?php

namespace ‪TYPO3\CMS\Core\Tree\TableConfiguration;


/*

 * 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\Backend\Tree\TreeNodeCollection;


class ‪ArrayTreeRenderer extends ‪\TYPO3\CMS\Backend\Tree\Renderer\AbstractTreeRenderer

{

    protected ‪$recursionLevel = 0;


    public function ‪renderNode(\‪TYPO3\CMS\Backend\Tree\TreeRepresentationNode $node, $recursive = true)

    {

        $nodeArray = [];

        $nodeArray[] = $this->‪getNodeArray($node);

        if ($recursive && $node->hasChildNodes()) {

            $this->recursionLevel++;

            $children = $this->‪renderNodeCollection($node->getChildNodes());

            foreach ($children as $child) {

                $nodeArray[] = $child;

            }

            $this->recursionLevel--;

        }

        return $nodeArray;

    }


    protected function ‪getNodeArray(\‪TYPO3\CMS\Backend\Tree\TreeRepresentationNode $node)

    {

        $overlayIconName = '';

        if (is_object($node->getIcon())) {

            $iconName = $node->getIcon()->getIdentifier();

            if (is_object($node->getIcon()->getOverlayIcon())) {

                $overlayIconName = $node->getIcon()->getOverlayIcon()->getIdentifier();

            }

        } else {

            $iconName = $node->getIcon();

        }

        $nodeArray = [

            'identifier' => htmlspecialchars($node->getId()),

            // No need for htmlspecialchars() here as d3 is using 'textContent' property of the HTML DOM node

            'name' => $node->getLabel(),

            'icon' => $iconName,

            'overlayIcon' => $overlayIconName,

            'depth' => ‪$this->recursionLevel,

            'hasChildren' => (bool)$node->hasChildNodes(),

            'selectable' => true,

        ];

        if ($node instanceof ‪DatabaseTreeNode) {

            $nodeArray['checked'] = (bool)$node->getSelected();

            if (!$node->getSelectable()) {

                $nodeArray['checked'] = false;

                $nodeArray['selectable'] = false;

            }

        }

        return $nodeArray;

    }


    public function ‪renderTree(\‪TYPO3\CMS\Backend\Tree\AbstractTree $tree, $recursive = true)

    {

        $this->recursionLevel = 0;

        return $this->‪renderNode($tree->getRoot(), $recursive);

    }


    public function ‪renderNodeCollection(‪TreeNodeCollection $collection, $recursive = true)

    {

        $treeItems = [];

        foreach ($collection as $node) {

            $allNodes = $this->‪renderNode($node, $recursive);

            if ($allNodes[0]) {

                $treeItems[] = $allNodes[0];

            }

            $nodeCount = count($allNodes);

            if ($nodeCount > 1) {

                for ($i = 1; $i < $nodeCount; $i++) {

                    $treeItems[] = $allNodes[$i];

                }

            }

        }

        return $treeItems;

    }

}