[Plot] Add reverse filter

platform/commonUI/general/bundle.json

@@ -25,6 +25,12 @@
                 "depends": [ "notificationService", "agentService" ]
             }
         ],
+        "filters": [
+            {
+                "implementation": "filters/ReverseFilter.js",
+                "key": "reverse"
+            }
+        ],
         "stylesheets": [
             {
                 "stylesheetUrl": "css/normalize.min.css",

platform/commonUI/general/src/filters/ReverseFilter.js

@@ -0,0 +1,44 @@
+/*****************************************************************************
+ * Open MCT Web, Copyright (c) 2014-2015, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT Web is licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * Open MCT Web includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+/*global define*/
+
+define(function () {
+    'use strict';
+
+    /**
+     * Implements the `reverse` filter, which reverses text strings.
+     * Useful in cases where text should be reversed for presentational
+     * reasons (e.g. in conjunction with CSS tricks involing text direction),
+     * allowing such behavior to be handled independently from the controller
+     * layer.
+     *
+     * @constructor
+     * @memberof platform/commonUI/general
+     */
+    function ReverseFilter() {
+        return function reverse(value) {
+            return value && value.toString().split('').reverse().join('');
+        };
+    }
+
+    return ReverseFilter;
+});