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/*
* SonarQube
* Copyright (C) 2009-2023 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
import { arc as d3Arc, pie as d3Pie, PieArcDatum } from 'd3-shape';
interface DataPoint {
fill: string;
value: number;
}
export interface DonutChartProps {
data: DataPoint[];
height: number;
padAngle?: number;
padding?: [number, number, number, number];
thickness: number;
width: number;
}
export function DonutChart(props: DonutChartProps) {
const { height, padding = [0, 0, 0, 0], width } = props;
const availableWidth = width - padding[1] - padding[3];
const availableHeight = height - padding[0] - padding[2];
const size = Math.min(availableWidth, availableHeight);
const radius = Math.floor(size / 2);
const pie = d3Pie<any, DataPoint>()
.sort(null)
.value((d) => d.value);
if (props.padAngle !== undefined) {
pie.padAngle(props.padAngle);
}
const sectors = pie(props.data).map((d, i) => {
return (
<Sector
data={d}
fill={props.data[i].fill}
key={i}
radius={radius}
thickness={props.thickness}
/>
);
});
return (
<svg className="donut-chart" height={height} role="img" width={width}>
<g transform={`translate(${padding[3]}, ${padding[0]})`}>
<g transform={`translate(${radius}, ${radius})`}>{sectors}</g>
</g>
</svg>
);
}
interface SectorProps {
data: PieArcDatum<DataPoint>;
fill: string;
radius: number;
thickness: number;
}
function Sector(props: SectorProps) {
const arc = d3Arc<any, PieArcDatum<DataPoint>>()
.outerRadius(props.radius)
.innerRadius(props.radius - props.thickness);
const d = arc(props.data) as string;
return <path d={d} style={{ fill: props.fill }} />;
}
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