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68 lines
2.6 KiB
JavaScript
68 lines
2.6 KiB
JavaScript
/*****************************************************************************
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* Open MCT, Copyright (c) 2014-2016, United States Government
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* as represented by the Administrator of the National Aeronautics and Space
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* Administration. All rights reserved.
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*
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* Open MCT is licensed under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* Open MCT includes source code licensed under additional open source
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* licenses. See the Open Source Licenses file (LICENSES.md) included with
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* this source code distribution or the Licensing information page available
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* at runtime from the About dialog for additional information.
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*****************************************************************************/
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/*global define*/
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define(
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['./SinewaveConstants', 'moment'],
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function (SinewaveConstants, moment) {
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var START_TIME = SinewaveConstants.START_TIME,
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FORMAT_REGEX = /^-?\d+:\d+:\d+$/,
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SECOND = 1000,
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MINUTE = SECOND * 60,
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HOUR = MINUTE * 60;
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function SinewaveDeltaFormat() {
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}
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function twoDigit(v) {
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return v >= 10 ? String(v) : ('0' + v);
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}
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SinewaveDeltaFormat.prototype.format = function (value) {
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var delta = Math.abs(value - START_TIME),
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negative = value < START_TIME,
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seconds = Math.floor(delta / SECOND) % 60,
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minutes = Math.floor(delta / MINUTE) % 60,
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hours = Math.floor(delta / HOUR);
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return (negative ? "-" : "") +
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[ hours, minutes, seconds ].map(twoDigit).join(":");
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};
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SinewaveDeltaFormat.prototype.validate = function (text) {
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return FORMAT_REGEX.test(text);
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};
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SinewaveDeltaFormat.prototype.parse = function (text) {
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var negative = text[0] === "-",
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parts = text.replace("-", "").split(":");
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return [ HOUR, MINUTE, SECOND ].map(function (sz, i) {
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return parseInt(parts[i], 10) * sz;
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}).reduce(function (a, b) {
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return a + b;
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}, 0) * (negative ? -1 : 1) + START_TIME;
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};
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return SinewaveDeltaFormat;
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}
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);
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