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import {Component, Input, OnChanges, OnInit, SimpleChanges, ViewEncapsulation} from '@angular/core';
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import * as Highcharts from 'highcharts';
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import HighchartsMore from 'highcharts/highcharts-more.src.js';
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import solidGauge from 'highcharts/modules/solid-gauge.js';
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HighchartsMore(Highcharts);
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solidGauge(Highcharts);
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@Component({
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selector: 'app-gauge-chart',
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templateUrl: './gauge-chart.component.html',
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// styleUrls: ['./top-menu.component.css'],
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encapsulation: ViewEncapsulation.None
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})
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export class GaugeChartComponent implements OnInit, OnChanges {
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@Input() chartData: number;
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@Input() color: string;
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public chartValue = 25;
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public update = false;
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Highcharts: typeof Highcharts = Highcharts;
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// gaugeChartOptions: Highcharts.Options;
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public gaugeChartOptions = {
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chart: {
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type: 'solidgauge'
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},
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title: {
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text: ''
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},
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pane: {
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center: ['50%', '85%'],
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size: '140%',
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startAngle: -90,
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endAngle: 90,
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background: {
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backgroundColor: '#fff',
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innerRadius: '60%',
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outerRadius: '100%',
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shape: 'arc'
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}
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},
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tooltip: {
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enabled: true
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},
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credits: {
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enabled: false
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},
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yAxis: {
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stops: [[0.1, '#DF5353'], [0.5, '#DDDF0D'], [0.9, '#55BF3B']],
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min: 0,
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max: 100,
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lineWidth: 0,
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// tickAmount: 6,
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// labels: {
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// y: 16
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// }
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},
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plotOptions: {
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solidgauge: {
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dataLabels: {
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y: 5,
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borderWidth: 0,
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useHTML: true
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}
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}
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},
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series: [
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{
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name: 'Speed',
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data: [this.chartValue],
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dataLabels: {
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allowOverlap: true,
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format:
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'<div style="text-align:center"><span style="font-size:20px;color:black' +
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'">{y:.0f}%</span><br/>' +
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'<span style="font-size:12px;color:silver"> </span></div>'
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}
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}
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]
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};
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constructor() {}
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private updateChart(value) {
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this.chartValue = value;
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// first try - working without transition
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// this.gaugeChartOptions.title.text = value;
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this.gaugeChartOptions.series['0'].data[0] = value;
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// this.gaugeChartOptions.series['0'].update();
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this.update = true;
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}
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ngOnInit(): void {
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// console.log('onInit');
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this.updateChart(this.chartData);
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}
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ngOnChanges(changes: SimpleChanges): void {
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// console.log('onChanges');
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// console.log('Chart data: ', this.chartData);
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this.updateChart(this.chartData);
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}
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}
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