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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x | import * as React from 'react';
import { scaleLinear as d3ScaleLinear } from 'd3-scale';
import { area as d3Area, line as d3Line, curveLinear as d3curveLinear } from 'd3-shape';
import { max as d3Max, extent as d3Extent } from 'd3-array';
import { FocusZone, FocusZoneDirection } from '@fluentui/react-focus';
import { ILineChartDataPoint } from '../../types/IDataPoint';
import { classNamesFunction, getId, getRTL } from '@fluentui/react/lib/Utilities';
import { ISparklineProps, ISparklineStyleProps, ISparklineStyles } from '../../index';
const getClassNames = classNamesFunction<ISparklineStyleProps, ISparklineStyles>();
export interface ISparklineState {
_points: ILineChartDataPoint[] | null;
_width: number;
_height: number;
_valueTextWidth: number;
}
export class SparklineBase extends React.Component<ISparklineProps, ISparklineState> {
private margin = {
top: 2,
right: 0,
bottom: 0,
left: 0,
};
/* eslint-disable @typescript-eslint/no-explicit-any */
private x: any;
/* eslint-disable @typescript-eslint/no-explicit-any */
private y: any;
private area: any;
private line: any;
private _emptyChartId: string;
private _isRTL: boolean = getRTL();
constructor(props: ISparklineProps) {
super(props);
this.state = {
_points: null,
_width: this.props.width! || 80,
_height: this.props.height! || 20,
_valueTextWidth: this.props.valueTextWidth! || 80,
};
this._emptyChartId = getId('_SparklineChart_empty');
}
public componentDidMount() {
Iif (!this._isChartEmpty()) {
const area = d3Area()
/* eslint-disable @typescript-eslint/no-explicit-any */
.x((d: any) => this.x(d.x))
.y0(this.state._height)
/* eslint-disable @typescript-eslint/no-explicit-any */
.y1((d: any) => this.y(d.y))
.curve(d3curveLinear);
this.area = area;
const line = d3Line()
/* eslint-disable @typescript-eslint/no-explicit-any */
.x((d: any) => this.x(d.x))
/* eslint-disable @typescript-eslint/no-explicit-any */
.y((d: any) => this.y(d.y))
.curve(d3curveLinear);
this.line = line;
const points = this.props.data!.lineChartData![0].data;
/* eslint-disable @typescript-eslint/no-explicit-any */
const [xMin, xMax] = d3Extent(points, (d: any) => d.x);
this.x = d3ScaleLinear()
.domain([xMin, xMax])
.range([this.margin.left!, this.state._width - this.margin.right!]);
this.y = d3ScaleLinear()
/* eslint-disable @typescript-eslint/no-explicit-any */
.domain([0, d3Max(points, (d: any) => d.y)])
.range([this.state._height - this.margin.bottom!, this.margin.top!]);
this.setState({
_points: points,
});
}
}
public drawSparkline() {
return (
<>
<path
className="line"
d={this.line(this.state._points)}
fill={'transparent'}
opacity={1}
strokeWidth={2}
stroke={this.props.data!.lineChartData![0].color!}
/>
<path
className="area"
d={this.area(this.state._points)}
opacity={1}
fillOpacity={0.2}
fill={this.props.data!.lineChartData![0].color!}
role="img"
aria-hidden
/>
</>
);
}
public render() {
const classNames = getClassNames(this.props.styles!, {
theme: this.props.theme!,
});
return !this._isChartEmpty() ? (
<FocusZone
direction={FocusZoneDirection.horizontal}
isCircularNavigation={true}
className={classNames.inlineBlock}
>
<div className={classNames.inlineBlock}>
{this.state._width >= 50 && this.state._height >= 16 ? (
<svg
width={this.state._width}
height={this.state._height}
data-is-focusable={true}
aria-label={`Sparkline with label ${this.props.data!.lineChartData![0].legend!}`}
>
{this.state._points ? this.drawSparkline() : null}
</svg>
) : (
<></>
)}
{this.props.showLegend && this.props.data!.lineChartData![0].legend ? (
<svg width={this.state._valueTextWidth} height={this.state._height} data-is-focusable={true}>
<text
x="0%"
textAnchor={this._isRTL ? 'end' : 'start'}
dx={8}
y="100%"
dy={-5}
className={classNames.valueText}
>
{this.props.data!.lineChartData![0].legend!}
</text>
</svg>
) : (
<></>
)}
</div>
</FocusZone>
) : (
<div
id={this._emptyChartId}
role={'alert'}
style={{ opacity: '0' }}
aria-label={'Graph has no data to display'}
/>
);
}
private _isChartEmpty(): boolean {
return !(
this.props.data &&
this.props.data.lineChartData &&
this.props.data.lineChartData.length > 0 &&
this.props.data.lineChartData.filter(item => item.data.length === 0).length === 0
);
}
}
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