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8cca41c0
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import {Graph} from "./graph";
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declare var require: any
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583f8755
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Štěpán Červenka
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/**
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* Graph with multiple sensors. (Only linechart)
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*/
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8cca41c0
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Štěpán Červenka
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export class MultiGraph implements Graph{
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583f8755
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8cca41c0
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isAnalytics: boolean;
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data: any [];
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interval: number;
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66c042f1
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legend: {};
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8cca41c0
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583f8755
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Štěpán Červenka
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/**
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* Instantiates new multigraph
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* @param isAnalytics true/false analytics/observations
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* @param data source of values for vega graph
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* @param legend source of legend for graph (e.g. sensors phenomenon)
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* @param interval default graph interval used for different purposes (in milliseconds) (see timeWindow and maxTimeDifference in vega specification)
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*/
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66c042f1
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constructor(isAnalytics: boolean, data: any [], legend: {}, interval: number) {
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8cca41c0
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this.isAnalytics = isAnalytics;
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this.data = data;
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this.interval = interval;
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66c042f1
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this.legend = this.getLegend(legend);
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8cca41c0
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}
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583f8755
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/**
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* Returns vega configuration (see readme.txt in vega folder)
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*/
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8cca41c0
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getConfig(): {} {
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583f8755
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//from folder vega/config merge corresponding files
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8cca41c0
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const lodash = require('lodash/object');
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const rvalue: any = {};
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let config1 = require('/src/vega/config/config.json');
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lodash.merge(rvalue, config1);
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c4f90f7b
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Štěpán Červenka
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let config2;
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if (this.isAnalytics) {
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config2 = require('/src/vega/config/config-multiline-analytics.json');
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} else {
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config2 = require('/src/vega/config/config-multiline-observations.json');
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}
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66c042f1
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let config3 = require('/src/vega/config/config-barline.json');
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8cca41c0
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Štěpán Červenka
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for(let key in config2.signals) {
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let obj = config2.signals[key];
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rvalue.signals.push(obj);
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}
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66c042f1
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for(let key in config3.signals) {
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let obj = config3.signals[key];
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rvalue.signals.push(obj);
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}
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return rvalue;
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8cca41c0
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}
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583f8755
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/**
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* returns vega specification (see readme.txt in vega folder)
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*/
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8cca41c0
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Štěpán Červenka
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getSpec(): {} {
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const lodash = require('lodash/object');
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const rvalue: any = {};
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const base = require('/src/vega/base/default.json');
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const body = require('/src/vega/body/multilinechart.json');
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66c042f1
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const legend = require('/src/vega/miscs/legend.json');
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const tooltip = require('/src/vega/miscs/multiline-tooltip.json');
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8cca41c0
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66c042f1
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lodash.merge(rvalue, base, body, legend, tooltip);
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8cca41c0
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583f8755
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//setting legend to result
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66c042f1
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rvalue.data[0].values = this.legend;
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583f8755
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//setting data to result
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rvalue.data[1].values = this.data;
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//setting interval to json
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//interval used for
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// 1) appending graph domain
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// 2) 5 * interval is max difference for connecting the dots
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// 3) setting zoom in windcharts
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8cca41c0
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rvalue.signals[0].value = this.interval;
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583f8755
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//setting tooltip message
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8cca41c0
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rvalue.marks[0].marks[0].marks[0].marks[2].encode.enter.tooltip.signal = this.getTooltipMessage();
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return rvalue;
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}
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583f8755
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/**
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* Generates the tooltip message
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*/
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8cca41c0
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private getTooltipMessage() {
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dacbd84d
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let message = "{title: timeFormat(datum.dateTime, '%A, %B %e, %Y %X')";
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8cca41c0
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this.data.forEach(function (e) {
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message += (", '" + e.sensor.sensorName + "': datum['" + e.sensor.sensorName + "'] + ' " + e.sensor.phenomenon.unit +"' ");
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})
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message += "}";
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return message;
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}
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583f8755
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/**
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* If legend is array of phenomenons, it selects the first element
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* @param legend info for displaying legend
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*/
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66c042f1
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Štěpán Červenka
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private getLegend(legend: any) {
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if(Array.isArray(legend)) {
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return legend[0];
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} else {
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return legend;
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}
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}
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8cca41c0
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Štěpán Červenka
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}
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