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DocumentBreadcrumbPathViewHelper.php
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DocumentBreadcrumbPathViewHelper.php
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<?php
namespace Neos\Neos\ViewHelpers\Backend;
/*
* This file is part of the Neos.Neos package.
*
* (c) Contributors of the Neos Project - www.neos.io
*
* This package is Open Source Software. For the full copyright and license
* information, please view the LICENSE file which was distributed with this
* source code.
*/
use Neos\Eel\FlowQuery\FlowQuery;
use Neos\FluidAdaptor\Core\ViewHelper\AbstractViewHelper;
use Neos\ContentRepository\Domain\Model\NodeInterface;
/**
* Render a bread crumb path by using the labels of documents leading to the given node path
*/
class DocumentBreadcrumbPathViewHelper extends AbstractViewHelper
{
/**
* @var boolean
*/
protected $escapeOutput = false;
/**
* Initialize the arguments.
*
* @return void
* @throws \Neos\FluidAdaptor\Core\ViewHelper\Exception
*/
public function initializeArguments()
{
parent::initializeArguments();
$this->registerArgument('node', NodeInterface::class, 'Node', true);
}
/**
* @return string of document nodes
* @throws \Neos\Eel\Exception
*/
public function render(): string
{
$node = $this->arguments['node'];
$documentNodes = [];
$flowQuery = new FlowQuery([$node]);
$nodes = array_reverse($flowQuery->parents('[instanceof Neos.Neos:Document]')->get());
/** @var NodeInterface $node */
foreach ($nodes as $documentNode) {
$documentNodes[] = $documentNode;
}
if ($node->getNodeType()->isOfType('Neos.Neos:Document')) {
$documentNodes[] = $node;
}
$this->templateVariableContainer->add('documentNodes', $documentNodes);
$content = $this->renderChildren();
$this->templateVariableContainer->remove('documentNodes');
return $content;
}
}