Index: t3lib/config_default.php
===================================================================
--- t3lib/config_default.php	(revision 9235)
+++ t3lib/config_default.php	(revision )
@@ -394,7 +394,8 @@
 			)
 		),
 		'ExtDirect' => array(	// array of key value pairs (provider -> location:className) that holds the classes for the ExtDirect functionality
-			'TYPO3.CSH.ExtDirect' => 't3lib/extjs/dataprovider/class.extdirect_dataprovider_contexthelp.php:extDirect_DataProvider_ContextHelp'
+			'TYPO3.CSH.ExtDirect' => 't3lib/extjs/dataprovider/class.extdirect_dataprovider_contexthelp.php:extDirect_DataProvider_ContextHelp',
+			'TYPO3.BeUserSetting.ExtDirect' => 't3lib/extjs/dataprovider/class.extdirect_dataprovider_beuseruc.php:extDirect_DataProvider_BeUserUc',
 		),
 	),
 	'EXTCONF' => array(		// Here you may add manually set configuration options for your extensions. Eg. $TYPO3_CONF_VARS['EXTCONF']['my_extension_key']['my_option'] = 'my_value';
Index: t3lib/extjs/dataprovider/class.extdirect_dataprovider_beuseruc.php
===================================================================
--- t3lib/extjs/dataprovider/class.extdirect_dataprovider_beuseruc.php	(revision )
+++ t3lib/extjs/dataprovider/class.extdirect_dataprovider_beuseruc.php	(revision )
@@ -0,0 +1,86 @@
+<?php
+/***************************************************************
+ *  Copyright notice
+ *
+ *  (c) 2010 Steffen Kamper <steffen@typo3.org>
+ *  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.
+ *  A copy is found in the textfile GPL.txt and important notices to the license
+ *  from the author is found in LICENSE.txt distributed with these scripts.
+ *
+ *
+ *  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!
+ ***************************************************************/
+
+/**
+ * ExtDirect DataProvider for BE User Settings
+ */
+class extDirect_DataProvider_BeUserUc {
+
+	/**
+	 * Resets the user settings to the default
+	 *
+	 * @return void
+	 */
+	public function resetUserSettings() {
+		$GLOBALS['BE_USER']->resetUC();
+	}
+
+	/**
+	 * Gets a single user setting by key
+	 *
+	 * @param  string $key
+	 * @return
+	 */
+	public function getUserSetting($key) {
+		return $GLOBALS['BE_USER']->uc[$key];
+	}
+
+	/**
+	 * Gets complete user settings
+	 *
+	 * @return array
+	 */
+	public function getUserSettings() {
+		return $GLOBALS['BE_USER']->uc;
+	}
+
+	/**
+	 * Sets user settings by key/value pair
+	 *
+	 * @param  string $key
+	 * @param  mixed $value
+	 * @return void
+	 */
+	public function setSingleSetting($key, $value) {
+		$GLOBALS['BE_USER']->uc[$key] = $value;
+		$GLOBALS['BE_USER']->writeUC($GLOBALS['BE_USER']->uc);
+	}
+
+	/**
+	 * Sets user settings by array
+	 *
+	 * @param  array $array
+	 * @return void
+	 */
+	public function setSettingsFromArray(array $array) {
+		$GLOBALS['BE_USER']->uc = array_merge($GLOBALS['BE_USER']->uc, $array);
+		$GLOBALS['BE_USER']->writeUC($GLOBALS['BE_USER']->uc);
+	}
+
+}
+
+?>
\ No newline at end of file
Index: typo3/backend.php
===================================================================
--- typo3/backend.php	(revision 9232)
+++ typo3/backend.php	(revision )
@@ -140,6 +140,7 @@
 			'viewport'              => 'js/extjs/viewport.js',
 			'iframepanel'           => 'js/extjs/iframepanel.js',
 			'viewportConfiguration' => 'js/extjs/viewportConfiguration.js',
+			'beUserSettings'        => 'ajax.php?ajaxID=ExtDirect::getAPI&namespace=TYPO3.BeUserSetting',
 		);
 
 		if ($this->debug) {