92 lines
3.3 KiB
JavaScript
92 lines
3.3 KiB
JavaScript
/*****************************************************************************
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* Open MCT, Copyright (c) 2014-2018, 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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'lodash'
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], function (
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_
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) {
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// TODO: needs reference to formatService;
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function TelemetryValueFormatter(valueMetadata, formatService) {
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var numberFormatter = {
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parse: function (x) {
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return Number(x);
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},
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format: function (x) {
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return x;
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},
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validate: function (x) {
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return true;
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}
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};
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this.valueMetadata = valueMetadata;
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try {
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this.formatter = formatService
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.getFormat(valueMetadata.format, valueMetadata);
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} catch (e) {
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// TODO: Better formatting
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this.formatter = numberFormatter;
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}
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if (valueMetadata.format === 'enum') {
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this.formatter = {};
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this.enumerations = valueMetadata.enumerations.reduce(function (vm, e) {
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vm.byValue[e.value] = e.string;
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vm.byString[e.string] = e.value;
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return vm;
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}, {byValue: {}, byString: {}});
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this.formatter.format = function (value) {
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if (this.enumerations.byValue.hasOwnProperty(value)) {
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return this.enumerations.byValue[value];
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}
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return value;
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}.bind(this);
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this.formatter.parse = function (string) {
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if (typeof string === "string") {
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if (this.enumerations.byString.hasOwnProperty(string)) {
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return this.enumerations.byString[string];
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}
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}
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return Number(string);
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}.bind(this);
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}
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}
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TelemetryValueFormatter.prototype.parse = function (datum) {
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if (_.isObject(datum)) {
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return this.formatter.parse(datum[this.valueMetadata.source]);
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}
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return this.formatter.parse(datum);
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};
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TelemetryValueFormatter.prototype.format = function (datum) {
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if (_.isObject(datum)) {
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return this.formatter.format(datum[this.valueMetadata.source]);
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}
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return this.formatter.format(datum);
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};
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return TelemetryValueFormatter;
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});
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