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import { AfterViewInit, Component, ElementRef, Input, OnInit, ViewChild } from '@angular/core';
import {Chart} from 'chart.js';
@Component({
selector: 'app-pie-chart',
templateUrl: './pie-chart.component.html',
styleUrls: ['./pie-chart.component.css']
})
export class PieChartComponent implements AfterViewInit {
@Input()width?: number;
@Input()height?: number;
@Input()uniqueValues?: string[] = [];
@Input()uniqueValuesPercent?: number[] = [];
updatePieChart(uniqueValues: string[], uniqueValuesPercent: number[]){
console.log(this.uniqueValues, this.uniqueValuesPercent);
const newPieChartData = {
datasets: [{
label: "Population (millions)",
backgroundColor: ["#3e95cd", "#8e5ea2","#3cba9f","#e8c3b9","#c45850"],
data: [2478,5267,734,784,433],
}]
}
};
@ViewChild('piechart') chartRef!: ElementRef;
constructor() { }
pieChartData = {
datasets: [{
label: "Population (millions)",
backgroundColor: ["#3e95cd", "#8e5ea2","#3cba9f","#e8c3b9","#c45850"],
data: [2478,5267,734,784,433]
}]
}
ngAfterViewInit(): void {
const myChart = new Chart(this.chartRef.nativeElement, {
type: 'pie',
data: this.pieChartData,
options: {
/*title: {
display: true,
text: 'Predicted world population (millions) in 2050'
}*/
plugins:{
legend: {
display: false
},
},
layout: {
padding: 15
}
}
});}
}
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