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113 lines
3.7 KiB
JavaScript
113 lines
3.7 KiB
JavaScript
/*****************************************************************************
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* Open MCT Web, Copyright (c) 2014-2015, 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 Web 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 Web 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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'moment'
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], function (
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moment
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) {
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var DATE_FORMAT = "YYYY-MM-DD h:mm:ss.SSS a",
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DATE_FORMATS = [
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DATE_FORMAT,
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"YYYY-MM-DD h:mm:ss a",
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"YYYY-MM-DD h:mm a",
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"YYYY-MM-DD"
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];
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/**
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* @typedef Scale
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* @property {number} min the minimum scale value, in ms
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* @property {number} max the maximum scale value, in ms
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*/
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/**
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* Formatter for UTC timestamps. Interprets numeric values as
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* milliseconds since the start of 1970.
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*
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* @implements {Format}
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* @constructor
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* @memberof platform/commonUI/formats
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*/
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function LocalTimeFormat() {
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}
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/**
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* Returns an appropriate time format based on the provided value and
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* the threshold required.
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* @private
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*/
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function getScaledFormat (d) {
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var m = moment.utc(d);
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/**
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* Uses logic from d3 Time-Scales, v3 of the API. See
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* https://github.com/d3/d3-3.x-api-reference/blob/master/Time-Scales.md
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*
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* Licensed
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*/
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return [
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[".SSS", function(m) { return m.milliseconds(); }],
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[":ss", function(m) { return m.seconds(); }],
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["hh:mma", function(m) { return m.minutes(); }],
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["hha", function(m) { return m.hours(); }],
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["ddd DD", function(m) {
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return m.days() &&
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m.date() != 1;
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}],
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["MMM DD", function(m) { return m.date() != 1; }],
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["MMMM", function(m) {
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return m.month();
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}],
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["YYYY", function() { return true; }]
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].filter(function (row){
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return row[1](m);
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})[0][0];
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};
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/**
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*
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* @param value
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* @param {Scale} [scale] Optionally provides context to the
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* format request, allowing for scale-appropriate formatting.
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* @returns {string} the formatted date
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*/
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LocalTimeFormat.prototype.format = function (value, scale) {
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if (scale !== undefined){
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var scaledFormat = getScaledFormat(value, scale);
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if (scaledFormat) {
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return moment.utc(value).format(scaledFormat);
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}
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}
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return moment(value).format(DATE_FORMAT);
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};
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LocalTimeFormat.prototype.parse = function (text) {
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return moment(text, DATE_FORMATS).valueOf();
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};
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LocalTimeFormat.prototype.validate = function (text) {
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return moment(text, DATE_FORMATS).isValid();
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};
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return LocalTimeFormat;
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});
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