[Time API] Provided 'AddFormat' method for registering new formats

src/plugins/utcTimeSystem/DurationFormat.js

@@ -0,0 +1,63 @@
+/*****************************************************************************
+ * 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.
+ *****************************************************************************/
+
+define([
+    'moment'
+], function (
+    moment
+) {
+
+    var DATE_FORMAT = "HH:mm:ss",
+        DATE_FORMATS = [
+            DATE_FORMAT
+        ];
+
+
+    /**
+     * Formatter for duration. Uses moment to produce a date from a given
+     * value, but output is formatted to display only time. Can be used for
+     * specifying a time duration. For specifying duration, it's best to
+     * specify a date of January 1, 1970, as the ms offset will equal the
+     * duration represented by the time.
+     *
+     * @implements {Format}
+     * @constructor
+     * @memberof platform/commonUI/formats
+     */
+    function DurationFormat() {
+        this.key = "duration"
+    }
+
+    DurationFormat.prototype.format = function (value) {
+        return moment.utc(value).format(DATE_FORMAT);
+    };
+
+    DurationFormat.prototype.parse = function (text) {
+        return moment.duration(text).asMilliseconds();
+    };
+
+    DurationFormat.prototype.validate = function (text) {
+        return moment.utc(text, DATE_FORMATS).isValid();
+    };
+
+    return DurationFormat;
+});