Merge pull request #534 from benjaminrau/development

[FEATURE] ViewHelper to access data of current CE record

Classes/ViewHelpers/Content/InfoViewHelper.php

@@ -0,0 +1,108 @@
+<?php
+/***************************************************************
+ *  Copyright notice
+ *
+ *  (c) 2014 Benjamin Rau <[email protected]>
+ *
+ *  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!
+ * ************************************************************* */
+
+/**
+ * ViewHelper to access data of the current content element record
+ *
+ * @author Benjamin Rau <[email protected]>
+ * @package Vhs
+ * @subpackage ViewHelpers\Content
+ */
+class Tx_Vhs_ViewHelpers_Content_InfoViewHelper extends \TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper {
+
+	/**
+	 * @var Tx_Extbase_Configuration_ConfigurationManagerInterface
+	 */
+	protected $configurationManager;
+
+	/**
+	 * @param Tx_Extbase_Configuration_ConfigurationManagerInterface An instance of the Configuration Manager
+	 * @return void
+	 */
+	public function injectConfigurationManager(Tx_Extbase_Configuration_ConfigurationManagerInterface $configurationManager) {
+		$this->configurationManager = $configurationManager;
+	}
+
+	/**
+	 * @return void
+	 */
+	public function initializeArguments() {
+		$this->registerArgument('contentUid', 'integer', 'If specified, this UID will be used to fetch content element data instead of using the current content element.', FALSE, 0);
+		$this->registerArgument('as', 'string', 'If specified, a template variable with this name containing the requested data will be inserted instead of returning it.', FALSE, NULL);
+		$this->registerArgument('field', 'string', 'If specified, only this field will be returned/assigned instead of the complete content element record.', FALSE, NULL);
+	}
+
+	/**
+	 * @return mixed
+	 */
+	public function render() {
+		$contentUid = intval($this->arguments['contentUid']);
+		if (0 === $contentUid) {
+			$cObj = $this->configurationManager->getContentObject();
+			$record = $cObj->data;
+		}
+
+		$field = $this->arguments['field'];
+
+		if (FALSE === isset($record) && 0 !== $contentUid) {
+			if (NULL !== $field && TRUE === isset($GLOBALS['TCA']['tt_content']['columns'][$field])) {
+				$selectFields = $field;
+			} else {
+				$selectFields = '*';
+			}
+			$record = $GLOBALS['TYPO3_DB']->exec_SELECTgetSingleRow($selectFields, 'tt_content', sprintf('uid=%d', $contentUid));
+
+			// Add the page overlay
+			$languageUid = intval($GLOBALS['TSFE']->sys_language_uid);
+			if (0 !== $languageUid && $GLOBALS['TSFE']->sys_language_contentOL) {
+				$record = $GLOBALS['TSFE']->sys_page->getRecordOverlay('tt_content', $record, $GLOBALS['TSFE']->sys_language_content, $GLOBALS['TSFE']->sys_language_contentOL);
+			}
+		}
+
+		if (FALSE === $record && FALSE === isset($record)) {
+			throw new Exception(sprintf('Either record with uid %d or field %s do not exist.', $contentUid, $selectFields), 1358679983);
+		}
+
+		// Check if single field or whole record should be returned
+		$content = NULL;
+		if (NULL === $field) {
+			$content = $record;
+		} elseif (TRUE === isset($record[$field])) {
+			$content = $record[$field];
+		}
+
+		// Return if no assign
+		$as = $this->arguments['as'];
+		if (TRUE === empty($as)) {
+			return $content;
+		}
+
+		$variables = array($as => $content);
+		$output = Tx_Vhs_Utility_ViewHelperUtility::renderChildrenWithVariables($this, $this->templateVariableContainer, $variables);
+
+		return $output;
+	}
+
+}