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path: root/src/Chart.tsx
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import React from 'react';
import PropTypes from 'prop-types';
import { Theme, withStyles } from '@material-ui/core/styles';
import Grid from '@material-ui/core/Grid';
import cyan from '@material-ui/core/colors/cyan';
import { PieChart, Pie, Cell, Tooltip } from 'recharts';
import { defaultChartColor } from './theme';
import { PatternGraphData } from './graph';

const styles = (theme: Theme) => ({
    pieChart: {
        margin: '0 auto',
    }
});

function customizedLabel(props: {cx: number, cy: number,
                                x: number, y: number,
                                fill: string, name: string}) {
    const {cx, cy, x, y, fill, name} = props;
    let anchor = "middle";
    const EPS = 2;
    let dx = 0;
    let dy = 0;
    if (x < cx - EPS) {
        dx = -5;
        anchor = "end"
    } else if (x > cx + EPS) {
        dx = 5;
        anchor = "start";
    }

    if (y < cy - EPS) {
        dy = -5;
    } else if (y > cy + EPS) {
        dy = 10;
    }

    return (<text x={x} y={y} dx={dx} dy={dy} fill={fill} textAnchor={anchor}>{`${name}`}</text>);
}

function PatternPieChart(props: {
        classes: {
            patternTableWrapper: string,
            pieChart: string
        },
        data: PatternGraphData[] }) {
    return (
          <Grid item xs={12} lg={6}>
            <div className={props.classes.patternTableWrapper}>
            <PieChart width={400} height={250} className={props.classes.pieChart}>
              <Pie data={props.data}
                   dataKey='value'
                   cx={200}
                   cy={125}
                   outerRadius={60}
                   fill={defaultChartColor}
                   isAnimationActive={false}
                   label={customizedLabel}>
              {props.data.map((d, i) => <Cell key={i} fill={d.color ? d.color: defaultChartColor}/>)}
              </Pie>
              <Tooltip formatter={(value: number) => `${value.toFixed(2)} hr`}/>
            </PieChart>
            </div>
          </Grid>
    );
}

export const StyledPatternPieChart = withStyles(styles)(PatternPieChart);

function DoublePieChart(props: {
    classes: {
        patternTableWrapper: string,
        pieChart: string
    },
    patternGraphData: PatternGraphData[],
    calendarGraphData: PatternGraphData[] }) {
    return (
    <Grid container spacing={0}>
      <StyledPatternPieChart data={props.patternGraphData} />
      <Grid item xs={12} lg={6}>
        <div className={props.classes.patternTableWrapper}>
        <PieChart width={400} height={250} className={props.classes.pieChart}>
          <Pie data={props.calendarGraphData}
               dataKey='value'
               cx={200}
               cy={125}
               innerRadius={40}
               outerRadius={70}
               fill={cyan[300]}
               isAnimationActive={false}
               label={customizedLabel}>
            {props.calendarGraphData.map((d, i) => <Cell key={i} fill={d.color ? d.color : cyan[300]}/>)}
          </Pie>
          <Tooltip formatter={(value: number) => `${value.toFixed(2)} hr`}/>
        </PieChart>
        </div>
      </Grid>
    </Grid>);
}

export const AnalyzePieChart = withStyles(styles)(DoublePieChart);