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lens/src/renderer/components/chart/pie-chart.tsx
Violetta 3acc7b80d7
Add labels to metrics graph (#2931)
Signed-off-by: vshakirova <vshakirova@mirantis.com>
2021-06-03 09:20:40 -04:00

90 lines
3.1 KiB
TypeScript

/**
* Copyright (c) 2021 OpenLens Authors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
import "./pie-chart.scss";
import React from "react";
import { observer } from "mobx-react";
import ChartJS, { ChartOptions } from "chart.js";
import { Chart, ChartProps } from "./chart";
import { cssNames } from "../../utils";
import { ThemeStore } from "../../theme.store";
interface Props extends ChartProps {
}
@observer
export class PieChart extends React.Component<Props> {
render() {
const { data, className, options, ...chartProps } = this.props;
const { contentColor } = ThemeStore.getInstance().activeTheme.colors;
const cutouts = [88, 76, 63];
const opts: ChartOptions = this.props.showChart === false ? {} : {
maintainAspectRatio: false,
tooltips: {
mode: "index",
callbacks: {
title: () => "",
label: (tooltipItem, data) => {
const dataset: any = data["datasets"][tooltipItem.datasetIndex];
const metaData = Object.values<{ total: number }>(dataset["_meta"])[0];
const percent = Math.round((dataset["data"][tooltipItem["index"]] / metaData.total) * 100);
const label = dataset["label"];
if (isNaN(percent)) return `${label}: N/A`;
return `${label}: ${percent}%`;
},
},
filter: ({ datasetIndex, index }, { datasets }) => {
const { data } = datasets[datasetIndex];
if (datasets.length === 1) return true;
return index !== data.length - 1;
},
position: "cursor",
},
elements: {
arc: {
borderWidth: 1,
borderColor: contentColor
},
},
cutoutPercentage: cutouts[data.datasets.length - 1] || 50,
responsive: true,
...options
};
return (
<Chart
className={cssNames("PieChart flex column align-center", className)}
data={data}
options={opts}
{...chartProps}
/>
);
}
}
ChartJS.Tooltip.positioners.cursor = function (elements: any, position: { x: number; y: number }) {
return position;
};