Initial commit

typo3conf/ext/vhs/Classes/ViewHelpers/Page/RootlineViewHelper.php

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+<?php
+namespace FluidTYPO3\Vhs\ViewHelpers\Page;
+
+/*
+ * This file is part of the FluidTYPO3/Vhs project under GPLv2 or later.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.md file that was distributed with this source code.
+ */
+
+use FluidTYPO3\Vhs\Service\PageSelectService;
+use FluidTYPO3\Vhs\Traits\TemplateVariableViewHelperTrait;
+use TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper;
+
+/**
+ * ViewHelper to get the rootline of a page
+ *
+ * @author Danilo Bürger <danilo.buerger@hmspl.de>, Heimspiel GmbH
+ * @package Vhs
+ * @subpackage ViewHelpers\Page
+ */
+class RootlineViewHelper extends AbstractViewHelper {
+
+	use TemplateVariableViewHelperTrait;
+
+	/**
+	 * @var PageSelectService
+	 */
+	protected $pageSelect;
+
+	/**
+	 * @param PageSelectService $pageSelectService
+	 * @return void
+	 */
+	public function injectPageSelectService(PageSelectService $pageSelectService) {
+		$this->pageSelect = $pageSelectService;
+	}
+
+	/**
+	 * Initialize arguments.
+	 *
+	 * @return void
+	 * @api
+	 */
+	public function initializeArguments() {
+		parent::initializeArguments();
+		$this->registerAsArgument();
+		$this->registerArgument('pageUid', 'integer', 'Optional page uid to use.', FALSE, 0);
+	}
+
+	/**
+	 * @return mixed
+	 */
+	public function render() {
+		$pageUid = $this->arguments['pageUid'];
+		if (0 === $pageUid) {
+			$pageUid = $GLOBALS['TSFE']->id;
+		}
+
+		$rootLineData = $this->pageSelect->getRootLine($pageUid);
+		return $this->renderChildrenWithVariableOrReturnInput($rootLineData);
+	}
+
+}