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import React, { Component } from 'react';
import { Chart, Tooltip, Geom, Coord, Axis } from 'bizcharts';
import { Row, Col } from 'antd';
import autoHeight from '../autoHeight';
import styles from './index.less';
/* eslint react/no-danger:0 */
@autoHeight()
class Radar extends Component {
state = {
legendData: [],
};
componentDidMount() {
this.getLegendData();
}
componentDidUpdate(preProps) {
const { data } = this.props;
if (data !== preProps.data) {
this.getLegendData();
}
}
getG2Instance = chart => {
this.chart = chart;
};
// for custom lengend view
getLegendData = () => {
if (!this.chart) return;
const geom = this.chart.getAllGeoms()[0]; // 获取所有的图形
if (!geom) return;
const items = geom.get('dataArray') || []; // 获取图形对应的
const legendData = items.map(item => {
// eslint-disable-next-line
const origins = item.map(t => t._origin);
const result = {
name: origins[0].name,
color: item[0].color,
checked: true,
value: origins.reduce((p, n) => p + n.value, 0),
};
return result;
});
this.setState({
legendData,
});
};
handleRef = n => {
this.node = n;
};
handleLegendClick = (item, i) => {
const newItem = item;
newItem.checked = !newItem.checked;
const { legendData } = this.state;
legendData[i] = newItem;
const filteredLegendData = legendData.filter(l => l.checked).map(l => l.name);
if (this.chart) {
this.chart.filter('name', val => filteredLegendData.indexOf(val) > -1);
this.chart.repaint();
}
this.setState({
legendData,
});
};
render() {
const defaultColors = [
'#1890FF',
'#FACC14',
'#2FC25B',
'#8543E0',
'#F04864',
'#13C2C2',
'#fa8c16',
'#a0d911',
];
const {
data = [],
height = 0,
title,
hasLegend = false,
forceFit = true,
tickCount = 5,
padding = [35, 30, 16, 30],
animate = true,
colors = defaultColors,
} = this.props;
const { legendData } = this.state;
const scale = {
value: {
min: 0,
tickCount,
},
};
const chartHeight = height - (hasLegend ? 80 : 22);
return (
<div className={styles.radar} style={{ height }}>
{title && <h4>{title}</h4>}
<Chart
scale={scale}
height={chartHeight}
forceFit={forceFit}
data={data}
padding={padding}
animate={animate}
onGetG2Instance={this.getG2Instance}
>
<Tooltip />
<Coord type="polar" />
<Axis
name="label"
line={null}
tickLine={null}
grid={{
lineStyle: {
lineDash: null,
},
hideFirstLine: false,
}}
/>
<Axis
name="value"
grid={{
type: 'polygon',
lineStyle: {
lineDash: null,
},
}}
/>
<Geom type="line" position="label*value" color={['name', colors]} size={1} />
<Geom
type="point"
position="label*value"
color={['name', colors]}
shape="circle"
size={3}
/>
</Chart>
{hasLegend && (
<Row className={styles.legend}>
{legendData.map((item, i) => (
<Col
span={24 / legendData.length}
key={item.name}
onClick={() => this.handleLegendClick(item, i)}
>
<div className={styles.legendItem}>
<p>
<span
className={styles.dot}
style={{
backgroundColor: !item.checked ? '#aaa' : item.color,
}}
/>
<span>{item.name}</span>
</p>
<h6>{item.value}</h6>
</div>
</Col>
))}
</Row>
)}
</div>
);
}
}
export default Radar;