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80 lines
3.4 KiB
JavaScript
80 lines
3.4 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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/*global define,moment*/
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define(
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['moment'],
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function (moment) {
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"use strict";
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// Date format to use for domain values; in particular,
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// use day-of-year instead of month/day
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var DATE_FORMAT = "YYYY-DDD HH:mm:ss",
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VALUE_FORMAT_DIGITS = 3;
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/**
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* The TelemetryFormatter is responsible for formatting (as text
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* for display) values along either the domain (usually time) or
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* the range (usually value) of a data series.
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* @memberof platform/telemetry
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* @constructor
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*/
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function TelemetryFormatter() {
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function formatDomainValue(v, key) {
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return isNaN(v) ? "" : moment.utc(v).format(DATE_FORMAT);
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}
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function formatRangeValue(v, key) {
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return isNaN(v) ? v : v.toFixed(3);
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}
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return {
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/**
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* Format a domain value.
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* @param {number} v the domain value; a timestamp
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* in milliseconds since start of 1970
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* @param {string} [key] the key which identifies the
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* domain; if unspecified or unknown, this will
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* be treated as a standard timestamp.
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* @returns {string} a textual representation of the
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* data and time, suitable for display.
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* @memberof platform/telemetry.TelemetryFormatter#
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*/
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formatDomainValue: formatDomainValue,
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/**
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* Format a range value.
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* @param {number} v the range value; a numeric value
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* @param {string} [key] the key which identifies the
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* range; if unspecified or unknown, this will
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* be treated as a numeric value.
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* @returns {string} a textual representation of the
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* value, suitable for display.
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* @memberof platform/telemetry.TelemetryFormatter#
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*/
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formatRangeValue: formatRangeValue
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};
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}
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return TelemetryFormatter;
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}
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);
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