Added Utility Class go get EM Config.

Classes/Utility/EmConfiguration.php

+<?php
+
+/***************************************************************
+ *  Copyright notice
+ *
+ *  (c) 2012 Andy Hausmann <hi@andy-hausmann.de>
+ *
+ *  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 3 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!
+ ***************************************************************/
+
+/**
+ * Helper Class which makes various tools and helper available
+ *
+ * @author Andy Hausmann <hi@andy-hausmann.de>
+ * @package flexslider
+ * @license http://www.gnu.org/licenses/gpl.html GNU General Public License, version 3 or later
+ */
+class Tx_Flexslider_Utility_EmConfiguration
+{
+
+	/**
+	 * Extension key to get the EM Config from.
+	 * This will we overwritten later on if a key is given through call.
+	 *
+	 * @var string
+	 */
+	static protected $extKey = 'flexslider';
+
+
+	/**
+	 * Returns the Extension key.
+	 *
+	 * @static
+	 * @return string The Extension key.
+	 */
+	protected static function getExtKey()
+	{
+		return self::$extKey;
+	}
+
+	/**
+	 * Sets the Extension key.
+	 *
+	 * @static
+	 * @param string $extKey The Extension key.
+	 */
+	protected static function setExtKey($extKey)
+	{
+		self::$extKey = $extKey;
+	}
+
+	/**
+	 * Overrides the Extension key, if one's given.
+	 *
+	 * @static
+	 * @param string $extKey Lower-cased key of the extension to get the EM Config from.
+	 */
+	protected static function overrideExtKey($extKey)
+	{
+		$extKey = (string) trim($extKey);
+		if (strlen($extKey)) {
+			self::setExtKey($extKey);
+		}
+	}
+
+	/**
+	 * Parses the Extension Configuration and returns it.
+	 *
+	 * @static
+	 * @param string $extensionKey The Extension key.
+	 * @return array The Extension Configuration.
+	 */
+	public static function getConfiguration($extensionKey = '')
+	{
+		self::overrideExtKey($extensionKey);
+		return self::parseConfiguration();
+	}
+
+	/**
+	 * Parse settings and return it as array
+	 *
+	 * @return array unserialized extconf settings
+	 */
+	protected static function parseConfiguration()
+	{
+		$settings = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][self::getExtKey()]);
+		if (!is_array($settings)) {
+			$settings = array();
+		}
+		return $settings;
+	}
+
+}
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