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typo3conf/ext/vhs/Classes/ViewHelpers/Resource/CollectionViewHelper.php

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+<?php
+namespace FluidTYPO3\Vhs\ViewHelpers\Resource;
+
+/*
+ * 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 TYPO3\CMS\Core\Collection\RecordCollectionRepository;
+
+/**
+ * ### Collection ViewHelper
+ * This viewhelper returns a collection referenced by uid.
+ * For more information look here:
+ * http://docs.typo3.org/typo3cms/CoreApiReference/6.2/ApiOverview/Collections/Index.html#collections-api
+ *
+ * ### Example
+ * {v:resource.collection(uid:'123') -> v:var.set(name: 'someCollection')}
+ *
+ * @category ViewHelpers
+ * @package Vhs
+ * @author Dmitri Pisarev <dimaip@gmail.com>
+ */
+class CollectionViewHelper extends AbstractResourceViewHelper {
+
+	/**
+	 * @var RecordCollectionRepository
+	 */
+	protected $collectionRepository;
+
+	/**
+	 * @param RecordCollectionRepository $collectionRepository
+	 * @return void
+	 */
+	public function injectCollectionRepository(RecordCollectionRepository $collectionRepository) {
+		$this->collectionRepository = $collectionRepository;
+	}
+
+	/**
+	 * Returns a specific collection referenced by uid.
+	 *
+	 * @param integer $uid
+	 * @return mixed
+	 */
+	public function render($uid) {
+		if (NULL !== $uid) {
+			/** @var \TYPO3\CMS\Core\Collection\AbstractRecordCollection $collection */
+			$collection = $this->collectionRepository->findByUid($uid);
+			if (NULL !== $collection) {
+				return $collection->loadContents();
+			} else {
+				return NULL;
+			}
+		}
+		return NULL;
+	}
+}