Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x | import * as React from 'react';
import { arc as d3Arc } from 'd3-shape';
import { classNamesFunction, getRTL } from '@fluentui/react/lib/Utilities';
import { getStyles } from './Arc.styles';
import { IChartDataPoint } from '../index';
import { IArcProps, IArcStyles } from './index';
import { format as d3Format } from 'd3-format';
import { formatValueWithSIPrefix } from '../../../utilities/index';
export interface IArcState {
isCalloutVisible?: boolean;
}
export class Arc extends React.Component<IArcProps, IArcState> {
public static defaultProps: Partial<IArcProps> = {
arc: d3Arc(),
};
public state: {} = {};
private currentRef = React.createRef<SVGPathElement>();
private _isRTL: boolean = getRTL();
public static getDerivedStateFromProps(nextProps: Readonly<IArcProps>): Partial<IArcState> | null {
_updateChart(nextProps);
return null;
}
public updateChart(newProps: IArcProps): void {
_updateChart(newProps);
}
public render(): JSX.Element {
const { arc, href, focusedArcId } = this.props;
const getClassNames = classNamesFunction<IArcProps, IArcStyles>();
const classNames = getClassNames(getStyles, {
color: this.props.color,
href: href!,
theme: this.props.theme!,
});
const id = this.props.uniqText! + this.props.data!.data.legend!.replace(/\s+/, '') + this.props.data!.data.data;
const opacity: number =
this.props.activeArc === this.props.data!.data.legend || this.props.activeArc === '' ? 1 : 0.1;
return (
<g ref={this.currentRef}>
{!!focusedArcId && focusedArcId === id && (
<path id={id + 'focusRing'} d={arc(this.props.focusData)} className={classNames.focusRing} />
)}
<path
id={id}
d={arc(this.props.data)}
onFocus={this._onFocus.bind(this, this.props.data!.data, id)}
className={classNames.root}
data-is-focusable={this.props.activeArc === this.props.data!.data.legend || this.props.activeArc === ''}
onMouseOver={this._hoverOn.bind(this, this.props.data!.data)}
onMouseMove={this._hoverOn.bind(this, this.props.data!.data)}
onMouseLeave={this._hoverOff}
onBlur={this._onBlur}
opacity={opacity}
onClick={href ? this._redirectToUrl.bind(this, href) : this.props.data?.data.onClick}
aria-label={this._getAriaLabel()}
role="img"
/>
{this._renderArcLabel(classNames.arcLabel)}
</g>
);
}
private _onFocus(data: IChartDataPoint, id: string): void {
this.props.onFocusCallback!(data, id, this.currentRef.current);
}
private _hoverOn(data: IChartDataPoint, mouseEvent: React.MouseEvent<SVGPathElement>): void {
mouseEvent.persist();
this.props.hoverOnCallback!(data, mouseEvent);
}
private _hoverOff = (): void => {
this.props.hoverLeaveCallback!();
};
private _onBlur = (): void => {
this.props.onBlurCallback!();
};
private _redirectToUrl(href: string | undefined): void {
href ? (window.location.href = href) : '';
}
private _getAriaLabel = (): string => {
const point = this.props.data!.data;
const legend = point.xAxisCalloutData || point.legend;
const yValue = point.yAxisCalloutData || point.data || 0;
return point.callOutAccessibilityData?.ariaLabel || (legend ? `${legend}, ` : '') + `${yValue}.`;
};
private _renderArcLabel = (className: string) => {
const { arc, data, innerRadius, outerRadius, showLabelsInPercent, totalValue, hideLabels, activeArc } = this.props;
Iif (
hideLabels ||
Math.abs(data!.endAngle - data!.startAngle) < Math.PI / 12 ||
(activeArc !== data!.data.legend && activeArc !== '')
) {
return null;
}
const [base, perp] = arc.centroid(data);
const hyp = Math.sqrt(base * base + perp * perp);
const labelRadius = Math.max(innerRadius!, outerRadius!) + 2;
const angle = (data!.startAngle + data!.endAngle) / 2;
const arcValue = data!.value;
return (
<text
x={(hyp === 0 ? 0 : base / hyp) * labelRadius}
y={(hyp === 0 ? 0 : perp / hyp) * labelRadius}
textAnchor={angle > Math.PI !== this._isRTL ? 'end' : 'start'}
dominantBaseline={angle > Math.PI / 2 && angle < (3 * Math.PI) / 2 ? 'hanging' : 'auto'}
className={className}
aria-hidden={true}
>
{showLabelsInPercent
? d3Format('.0%')(totalValue! === 0 ? 0 : arcValue / totalValue!)
: formatValueWithSIPrefix(arcValue)}
</text>
);
};
}
function _updateChart(newProps: IArcProps): void {
newProps.arc.innerRadius(newProps.innerRadius);
newProps.arc.outerRadius(newProps.outerRadius);
}
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