[FEATURE] Add CollectionViewHelper

Classes/ViewHelpers/Resource/CollectionViewHelper.php

@@ -0,0 +1,75 @@
+<?php
+namespace FluidTYPO3\Vhs\ViewHelpers\Resource;
+
+/***************************************************************
+*  Copyright notice
+*
+*  (c) 2014 Dmitri Pisarev <dimaip@gmail.com>
+*  All rights reserved
+*
+*  This script is part of the TYPO3 project. The TYPO3 project is
+*  free software; you can redistribute it and/or modify
+*  it under the terms of the GNU General Public License as published by
+*  the Free Software Foundation; either version 2 of the License, or
+*  (at your option) any later version.
+*
+*  The GNU General Public License can be found at
+*  http://www.gnu.org/copyleft/gpl.html.
+*
+*  This script is distributed in the hope that it will be useful,
+*  but WITHOUT ANY WARRANTY; without even the implied warranty of
+*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*  GNU General Public License for more details.
+*
+*  This copyright notice MUST APPEAR in all copies of the script!
+***************************************************************/
+
+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;
+			}
+		}
+	}
+}