98 lines
No EOL
2.1 KiB
TypeScript
98 lines
No EOL
2.1 KiB
TypeScript
import { Component, OnInit } from '@angular/core';
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import { ChartOptions, ChartType, ChartDataSets } from 'chart.js';
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import { Color } from 'ng2-charts';
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@Component({
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selector: 'app-bubble-chart',
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templateUrl: './bubble-chart.component.html',
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styleUrls: ['./bubble-chart.component.scss']
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})
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export class BubbleChartComponent implements OnInit {
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public bubbleChartOptions: ChartOptions = {
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responsive: true,
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scales: {
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xAxes: [
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{
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ticks: {
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min: 0,
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max: 30,
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}
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}
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],
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yAxes: [
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{
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ticks: {
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min: 0,
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max: 30,
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}
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}
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]
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}
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};
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public bubbleChartType: ChartType = 'bubble';
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public bubbleChartLegend = true;
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public bubbleChartData: ChartDataSets[] = [
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{
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data: [
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{ x: 10, y: 10, r: 10 },
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{ x: 15, y: 5, r: 15 },
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{ x: 26, y: 12, r: 23 },
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{ x: 7, y: 8, r: 8 },
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],
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label: 'Series A',
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backgroundColor: 'green',
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borderColor: 'blue',
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hoverBackgroundColor: 'purple',
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hoverBorderColor: 'red',
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},
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];
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public bubbleChartColors: Color[] = [
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{
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backgroundColor: [
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'red',
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'green',
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'blue',
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'purple',
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'yellow',
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'brown',
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'magenta',
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'cyan',
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'orange',
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'pink'
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]
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}
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];
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constructor() { }
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ngOnInit() {
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}
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// events
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public chartClicked({ event, active }: { event: MouseEvent, active: {}[] }): void {
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console.log(event, active);
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}
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public chartHovered({ event, active }: { event: MouseEvent, active: {}[] }): void {
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console.log(event, active);
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}
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private rand(max: number) {
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return Math.trunc(Math.random() * max);
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}
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private randomPoint(maxCoordinate: number) {
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const x = this.rand(maxCoordinate);
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const y = this.rand(maxCoordinate);
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const r = this.rand(30) + 5;
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return { x, y, r };
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}
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public randomize(): void {
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const numberOfPoints = this.rand(5) + 5;
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const data = Array.apply(null, { length: numberOfPoints }).map(r => this.randomPoint(30));
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this.bubbleChartData[0].data = data;
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}
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} |