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77 lines
2.9 KiB
JavaScript
77 lines
2.9 KiB
JavaScript
/*****************************************************************************
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* Open MCT, Copyright (c) 2009-2016, 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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define(
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[],
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function () {
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// Conversion factors from time units to milliseconds
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var SECONDS = 1000,
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MINUTES = SECONDS * 60,
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HOURS = MINUTES * 60,
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DAYS = HOURS * 24;
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/**
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* Formatters for durations shown in a timeline view.
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* @constructor
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*/
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function TimelineFormatter() {
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// Format a numeric value to a string with some number of digits
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function formatValue(value, digits) {
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var v = value.toString(10);
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// Pad with zeroes
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while (v.length < digits) {
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v = "0" + v;
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}
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return v;
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}
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// Format duration to string
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function formatDuration(duration) {
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var days = Math.floor(duration / DAYS),
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hours = Math.floor(duration / HOURS) % 24,
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minutes = Math.floor(duration / MINUTES) % 60,
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seconds = Math.floor(duration / SECONDS) % 60,
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millis = Math.floor(duration) % 1000;
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return formatValue(days, 3) + " " +
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formatValue(hours, 2) + ":" +
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formatValue(minutes, 2) + ":" +
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formatValue(seconds, 2) + "." +
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formatValue(millis, 3);
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}
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return {
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/**
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* Format the provided duration.
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* @param {number} duration duration, in milliseconds
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* @returns {string} displayable representation of duration
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*/
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format: formatDuration
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};
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}
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return TimelineFormatter;
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}
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);
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