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<?php
/*
* 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!
*/
namespace TYPO3\CMS\Core\Tree\TableConfiguration;
use TYPO3\CMS\Backend\Tree\AbstractTree;
use TYPO3\CMS\Backend\Tree\Renderer\AbstractTreeRenderer;
use TYPO3\CMS\Backend\Tree\TreeNodeCollection;
use TYPO3\CMS\Backend\Tree\TreeRepresentationNode;
/**
* Renders a tca tree array for the SelectElementTree
*/
class ArrayTreeRenderer extends AbstractTreeRenderer
{
/**
* recursion level
*
* @var int
*/
protected $recursionLevel = 0;
/**
* Renders a node recursive or just a single instance
*
* @param bool $recursive
* @return array
*/
public function renderNode(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;
}
/**
* Get node array
*
* @param \TYPO3\CMS\Backend\Tree\TreeRepresentationNode|DatabaseTreeNode $node
* @return array
*/
protected function getNodeArray(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;
}
/**
* Renders a node collection recursive or just a single instance
*
* @param bool $recursive
* @return array
*/
public function renderTree(AbstractTree $tree, $recursive = true)
{
$this->recursionLevel = 0;
return $this->renderNode($tree->getRoot(), $recursive);
}
/**
* Renders a tree recursively or just a single instance
*
* @param bool $recursive
* @return array
*/
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;
}
}