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import { max as d3Max } from 'd3-array';
import { select as d3Select } from 'd3-selection';
import { scaleLinear as d3ScaleLinear, ScaleLinear as D3ScaleLinear, scaleBand as d3ScaleBand } from 'd3-scale';
import { classNamesFunction, getId, getRTL } from '@fluentui/react/lib/Utilities';
import { IProcessedStyleSet, IPalette } from '@fluentui/react/lib/Styling';
import { DirectionalHint } from '@fluentui/react/lib/Callout';
import { ILegend } from '../../components/Legends/Legends.types';
import { Legends } from '../../components/Legends/Legends';
import {
IAccessibilityProps,
IBasestate,
IHorizontalBarChartWithAxisDataPoint,
IRefArrayData,
IMargins,
} from '../../types/IDataPoint';
import { IChildProps, IYValueHover } from '../CommonComponents/CartesianChart.types';
import { CartesianChart } from '../CommonComponents/CartesianChart';
import {
IHorizontalBarChartWithAxisProps,
IHorizontalBarChartWithAxisStyleProps,
IHorizontalBarChartWithAxisStyles,
} from './HorizontalBarChartWithAxis.types';
import { FocusZoneDirection } from '@fluentui/react-focus';
import {
ChartHoverCard,
ChartTypes,
IAxisData,
getAccessibleDataObject,
YAxisType,
XAxisTypes,
NumericAxis,
StringAxis,
getTypeOfAxis,
getNextColor,
} from '../../utilities/index';
const getClassNames = classNamesFunction<IHorizontalBarChartWithAxisStyleProps, IHorizontalBarChartWithAxisStyles>();
export interface IHorizontalBarChartWithAxisState extends IBasestate {
selectedLegendTitle: string;
dataPointCalloutProps?: IHorizontalBarChartWithAxisDataPoint; // define this in hover and focus
/**
* data point of x, where rectangle is hovered or focused
*/
activeXdataPoint: number | null;
YValueHover: IYValueHover[];
hoverXValue?: string | number | null;
callOutAccessibilityData?: IAccessibilityProps;
// eslint-disable-next-line @typescript-eslint/no-explicit-any
tooltipElement?: any;
}
type ColorScale = (_p?: number) => string;
export class HorizontalBarChartWithAxisBase extends React.Component<
IHorizontalBarChartWithAxisProps,
IHorizontalBarChartWithAxisState
> {
private _points: IHorizontalBarChartWithAxisDataPoint[];
private _barHeight: number;
private _colors: string[];
private _classNames: IProcessedStyleSet<IHorizontalBarChartWithAxisStyles>;
private _refArray: IRefArrayData[];
private _calloutId: string;
private margins: IMargins;
private _isRtl: boolean = getRTL();
private _bars: JSX.Element[];
private _yAxisLabels: string[];
private _xMax: number;
private _tooltipId: string;
private _xAxisType: XAxisTypes;
private _yAxisType: YAxisType;
private _calloutAnchorPoint: IHorizontalBarChartWithAxisDataPoint | null;
public constructor(props: IHorizontalBarChartWithAxisProps) {
super(props);
this.state = {
color: '',
dataForHoverCard: 0,
isCalloutVisible: false,
isLegendSelected: false,
isLegendHovered: false,
refSelected: null,
selectedLegendTitle: '',
xCalloutValue: '',
yCalloutValue: '',
activeXdataPoint: null,
YValueHover: [],
hoverXValue: '',
};
this._calloutId = getId('callout');
this._tooltipId = getId('HBCWATooltipID_');
this._refArray = [];
this._xAxisType =
this.props.data! && this.props.data!.length > 0
? (getTypeOfAxis(this.props.data![0].x, true) as XAxisTypes)
: XAxisTypes.NumericAxis;
this._yAxisType =
this.props.data! && this.props.data!.length > 0
? (getTypeOfAxis(this.props.data![0].y, false) as YAxisType)
: YAxisType.StringAxis;
}
public render(): JSX.Element {
this._adjustProps();
const reversedBars = [...this._points].reverse();
this._yAxisLabels = reversedBars.map((point: IHorizontalBarChartWithAxisDataPoint) => point.y as string);
this._xMax = Math.max(
d3Max(this._points, (point: IHorizontalBarChartWithAxisDataPoint) => point.x)!,
this.props.xMaxValue || 0,
);
const legendBars: JSX.Element = this._getLegendData(this._points, this.props.theme!.palette);
this._classNames = getClassNames(this.props.styles!, {
theme: this.props.theme!,
legendColor: this.state.color,
});
const calloutProps = {
isCalloutVisible: this.state.isCalloutVisible,
directionalHint: DirectionalHint.topAutoEdge,
id: `toolTip${this._calloutId}`,
target: this.state.refSelected,
isBeakVisible: false,
gapSpace: 15,
color: this.state.color,
legend: this.state.selectedLegendTitle,
XValue: this.state.xCalloutValue,
YValue: this.state.yCalloutValue ? this.state.yCalloutValue : this.state.dataForHoverCard,
onDismiss: this._closeCallout,
preventDismissOnLostFocus: true,
...this.props.calloutProps,
...getAccessibleDataObject(this.state.callOutAccessibilityData),
};
const tickParams = {
tickValues: this.props.tickValues,
tickFormat: this.props.tickFormat,
};
return (
<CartesianChart
{...this.props}
points={this._points}
chartType={ChartTypes.HorizontalBarChartWithAxis}
xAxisType={this._xAxisType}
yAxisType={this._yAxisType}
stringDatasetForYAxisDomain={this._yAxisLabels}
calloutProps={calloutProps}
tickParams={tickParams}
legendBars={legendBars}
barwidth={this._barHeight}
focusZoneDirection={FocusZoneDirection.vertical}
customizedCallout={this._getCustomizedCallout()}
getmargins={this._getMargins}
getGraphData={this._getGraphData}
getAxisData={this._getAxisData}
onChartMouseLeave={this._handleChartMouseLeave}
/* eslint-disable react/jsx-no-bind */
// eslint-disable-next-line react/no-children-prop
children={(props: IChildProps) => {
return (
<>
<g>{this._bars}</g>
</>
);
}}
/>
);
}
private _adjustProps(): void {
this._points = this.props.data || [];
this._barHeight = this.props.barHeight || 32;
const { palette } = this.props.theme!;
this._colors = this.props.colors || [palette.blueLight, palette.blue, palette.blueMid, palette.blueDark];
}
private _getMargins = (margins: IMargins) => {
this.margins = margins;
};
private _renderContentForOnlyBars = (point: IHorizontalBarChartWithAxisDataPoint): JSX.Element => {
const { useSingleColor = false } = this.props;
let selectedPointIndex = 0;
this.props.data!.forEach((yDataPoint: IHorizontalBarChartWithAxisDataPoint, index: number) => {
if (yDataPoint.y === point.y) {
selectedPointIndex = index;
}
});
let color: string;
Iif (useSingleColor) {
//if useSingle color , then check if user has given a palette or not
// and pick the first color from that or else from our paltette.
color = this.props.colors ? this._createColors()(1) : getNextColor(1, 0, this.props.theme?.isInverted);
} else {
color = point.color
? point.color
: this.props.colors
? this._createColors()(point.x)
: getNextColor(selectedPointIndex, 0, this.props.theme?.isInverted);
}
return (
<>
<ChartHoverCard
XValue={point.xAxisCalloutData || point.x.toString()}
Legend={point.legend}
YValue={point.yAxisCalloutData || point.y}
color={color}
culture={this.props.culture}
/>
</>
);
};
private _renderCallout = (props?: IHorizontalBarChartWithAxisDataPoint): JSX.Element | null => {
return props ? this._renderContentForOnlyBars(props) : null;
};
private _getCustomizedCallout = () => {
return this.props.onRenderCalloutPerDataPoint
? this.props.onRenderCalloutPerDataPoint(this.state.dataPointCalloutProps, this._renderCallout)
: null;
};
private _getGraphData = (
xScale: NumericAxis,
yScale: NumericAxis | StringAxis,
containerHeight: number,
containerWidth: number,
xElement?: SVGElement | null,
yElement?: SVGElement | null,
) => {
return (this._bars =
this._yAxisType === YAxisType.NumericAxis
? this._createNumericBars(containerHeight, containerWidth, xElement!, yElement!)
: this._createStringBars(containerHeight, containerWidth, xElement!, yElement!));
};
private _createColors(): D3ScaleLinear<string, string> | ColorScale {
const increment = this._colors.length <= 1 ? 1 : 1 / (this._colors.length - 1);
const { useSingleColor = false } = this.props;
if (useSingleColor) {
return (_p?: number) => {
const { theme, colors } = this.props;
return colors && colors.length > 0 ? colors[0] : theme!.palette.blueLight;
};
}
const domainValues = [];
for (let i = 0; i < this._colors.length; i++) {
domainValues.push(increment * i * this._xMax);
}
const colorScale = d3ScaleLinear<string>().domain(domainValues).range(this._colors);
return colorScale;
}
private _refCallback = (element: SVGRectElement, legendTitle: string): void => {
this._refArray.push({ index: legendTitle, refElement: element });
};
private _getCalloutContentForBar = (
point: IHorizontalBarChartWithAxisDataPoint,
): { YValueHover: IYValueHover[]; hoverXValue: string | number | null } => {
const YValueHover: IYValueHover[] = [];
const { useSingleColor = false } = this.props;
const { data } = this.props;
const selectedPoint = data!.filter((yDataPoint: IHorizontalBarChartWithAxisDataPoint) => yDataPoint.y === point.y);
let selectedPointIndex = 0;
data!.forEach((yDataPoint: IHorizontalBarChartWithAxisDataPoint, index: number) => {
if (yDataPoint.y === point.y) {
selectedPointIndex = index;
}
});
let color: string;
Iif (useSingleColor) {
//if useSingle color , then check if user has given a palette or not
// and pick the first color from that or else from our paltette.
color = this.props.colors ? this._createColors()(1) : getNextColor(1, 0, this.props.theme?.isInverted);
} else {
color = selectedPoint[0].color
? selectedPoint[0].color
: this.props.colors
? this._createColors()(selectedPoint[0].x)
: getNextColor(selectedPointIndex, 0, this.props.theme?.isInverted);
}
// callout data for the bar
YValueHover.push({
legend: selectedPoint[0].legend,
// For HBCWA x and y Values are swapped
y: selectedPoint[0].x,
color,
data: selectedPoint[0].yAxisCalloutData,
yAxisCalloutData: selectedPoint[0].yAxisCalloutData,
});
return { YValueHover, hoverXValue: point.yAxisCalloutData || point.y.toString() };
};
private _onBarHover(
point: IHorizontalBarChartWithAxisDataPoint,
color: string,
mouseEvent: React.MouseEvent<SVGElement>,
): void {
mouseEvent.persist();
const { YValueHover, hoverXValue } = this._getCalloutContentForBar(point);
if (
(this.state.isLegendSelected === false ||
(this.state.isLegendSelected && this.state.selectedLegendTitle === point.legend)) &&
this._calloutAnchorPoint !== point
) {
this._calloutAnchorPoint = point;
this.setState({
refSelected: mouseEvent,
isCalloutVisible: true,
dataForHoverCard: point.x,
selectedLegendTitle: point.legend!,
color: this.props.useSingleColor ? color : point.color,
// To display callout value, if no callout value given, taking given point.x value as a string.
xCalloutValue: point.yAxisCalloutData! || point.y.toString(),
yCalloutValue: point.xAxisCalloutData || point.x.toString(),
dataPointCalloutProps: point,
activeXdataPoint: point.x,
YValueHover,
hoverXValue,
callOutAccessibilityData: point.callOutAccessibilityData,
});
}
}
private _onBarLeave = (): void => {
/**/
};
private _handleChartMouseLeave = (): void => {
this._calloutAnchorPoint = null;
this.setState({
isCalloutVisible: false,
activeXdataPoint: null,
YValueHover: [],
hoverXValue: '',
});
};
private _onBarFocus = (
point: IHorizontalBarChartWithAxisDataPoint,
refArrayIndexNumber: number,
color: string,
): void => {
Iif (
this.state.isLegendSelected === false ||
(this.state.isLegendSelected && this.state.selectedLegendTitle === point.legend)
) {
const { YValueHover, hoverXValue } = this._getCalloutContentForBar(point);
this._refArray.forEach((obj: IRefArrayData, index: number) => {
Iif (refArrayIndexNumber === index) {
this.setState({
refSelected: obj.refElement,
isCalloutVisible: true,
selectedLegendTitle: point.legend!,
dataForHoverCard: point.x,
color: this.props.useSingleColor ? color : point.color,
xCalloutValue: point.yAxisCalloutData || point.y.toString(),
yCalloutValue: point.xAxisCalloutData! || point.x.toString(),
dataPointCalloutProps: point,
activeXdataPoint: point.x,
YValueHover,
hoverXValue,
callOutAccessibilityData: point.callOutAccessibilityData,
});
}
});
}
};
private _getScales = (
containerHeight: number,
containerWidth: number,
isNumericScale: boolean,
// eslint-disable-next-line @typescript-eslint/no-explicit-any
): { xBarScale: any; yBarScale: any } => {
if (isNumericScale) {
const xMax = d3Max(this._points, (point: IHorizontalBarChartWithAxisDataPoint) => point.x as number)!;
const yMax = d3Max(this._points, (point: IHorizontalBarChartWithAxisDataPoint) => point.y as number)!;
const xBarScale = d3ScaleLinear()
.domain(this._isRtl ? [xMax, 0] : [0, xMax])
.nice()
.range([this.margins.left!, containerWidth - this.margins.right!]);
const yBarScale = d3ScaleLinear()
.domain([0, yMax])
.range([containerHeight - this.margins.bottom!, this.margins.top!]);
return { xBarScale, yBarScale };
} else {
const xMax = d3Max(this._points, (point: IHorizontalBarChartWithAxisDataPoint) => point.x as number)!;
// please note these padding default values must be consistent in here
// and CatrtesianChartBase w for more details refer example
// http://using-d3js.com/04_07_ordinal_scales.html
const yBarScale = d3ScaleBand()
.domain(this._yAxisLabels)
.range([containerHeight - this.margins.bottom! - this._barHeight / 2, this.margins.top! + this._barHeight / 2])
.padding(this.props.yAxisPadding || 0);
const xBarScale = d3ScaleLinear()
.domain(this._isRtl ? [xMax, 0] : [0, xMax])
.nice()
.range([this.margins.left!, containerWidth - this.margins.right!]);
return { xBarScale, yBarScale };
}
};
// eslint-disable-next-line @typescript-eslint/no-explicit-any
private _createNumericBars(
containerHeight: number,
containerWidth: number,
xElement: SVGElement,
yElement: SVGElement,
): JSX.Element[] {
const { useSingleColor = false } = this.props;
const { xBarScale, yBarScale } = this._getScales(containerHeight, containerWidth, true);
const sortedBars: IHorizontalBarChartWithAxisDataPoint[] = [...this._points];
sortedBars.sort((a, b) => {
const aValue = typeof a.y === 'number' ? a.y : parseFloat(a.y);
const bValue = typeof b.y === 'number' ? b.y : parseFloat(b.y);
return bValue - aValue;
});
const bars = sortedBars.map((point: IHorizontalBarChartWithAxisDataPoint, index: number) => {
let shouldHighlight = true;
if (this.state.isLegendHovered || this.state.isLegendSelected) {
shouldHighlight = this.state.selectedLegendTitle === point.legend;
}
this._classNames = getClassNames(this.props.styles!, {
theme: this.props.theme!,
legendColor: this.state.color,
shouldHighlight,
});
const barHeight: number = Math.max(yBarScale(point.y), 0);
if (barHeight < 1) {
return <React.Fragment key={point.x}> </React.Fragment>;
}
let color: string;
if (useSingleColor) {
//if useSingle color , then check if user has given a palette or not
// and pick the first color from that or else from our paltette.
color = this.props.colors ? this._createColors()(1) : getNextColor(1, 0, this.props.theme?.isInverted);
} else {
color = this.props.colors
? this._createColors()(point.x)
: getNextColor(index, 0, this.props.theme?.isInverted);
}
return (
<rect
key={point.y}
x={this._isRtl ? xBarScale(point.x) : this.margins.left!}
className={this._classNames.opacityChangeOnHover}
y={yBarScale(point.y) - this._barHeight / 2}
data-is-focusable={shouldHighlight}
width={
this._isRtl
? containerWidth - this.margins.right! - Math.max(xBarScale(point.x), 0)
: Math.max(xBarScale(point.x), 0) - this.margins.left!
}
height={this._barHeight}
ref={(e: SVGRectElement) => {
this._refCallback(e, point.legend!);
}}
onClick={point.onClick}
onMouseOver={this._onBarHover.bind(this, point, color)}
aria-label={this._getAriaLabel(point)}
role="img"
aria-labelledby={`toolTip${this._calloutId}`}
onMouseLeave={this._onBarLeave}
onFocus={this._onBarFocus.bind(this, point, index, color)}
onBlur={this._onBarLeave}
fill={point.color && !useSingleColor ? point.color : color}
/>
);
});
return bars;
}
// eslint-disable-next-line @typescript-eslint/no-explicit-any
private _tooltipOfYAxislabels(ytooltipProps: any) {
const { tooltipCls, yAxis, id } = ytooltipProps;
Iif (yAxis === null) {
return null;
}
const div = d3Select('body').append('div').attr('id', id).attr('class', tooltipCls).style('opacity', 0);
const aa = yAxis!.selectAll('#BaseSpan')._groups[0];
const baseSpanLength = aa && Object.keys(aa)!.length;
const originalDataArray: string[] = [];
for (let i = 0; i < baseSpanLength; i++) {
const originalData = aa[i].dataset && (Object.values(aa[i].dataset)[0] as string);
originalDataArray.push(originalData);
}
const tickObject = yAxis!.selectAll('.tick')._groups[0];
const tickObjectLength = tickObject && Object.keys(tickObject)!.length;
for (let i = 0; i < tickObjectLength; i++) {
const d1 = tickObject[i];
d3Select(d1)
// eslint-disable-next-line @typescript-eslint/no-explicit-any
.on('mouseover', (event: any, d) => {
Iif (!this.state.tooltipElement) {
div.style('opacity', 0.9);
div
.html(originalDataArray[i])
.style('left', event.pageX + 'px')
.style('top', event.pageY - 28 + 'px');
}
})
.on('mouseout', d => {
div.style('opacity', 0);
});
}
}
// eslint-disable-next-line @typescript-eslint/no-explicit-any
private _createStringBars(
containerHeight: number,
containerWidth: number,
xElement: SVGElement,
yElement: SVGElement,
): JSX.Element[] {
const { xBarScale, yBarScale } = this._getScales(containerHeight, containerWidth, false);
const { useSingleColor = false } = this.props;
const bars = this._points.map((point: IHorizontalBarChartWithAxisDataPoint, index: number) => {
const barHeight: number = Math.max(yBarScale(point.y), 0);
if (barHeight < 1) {
return <React.Fragment key={point.x}> </React.Fragment>;
}
let color: string;
Iif (useSingleColor) {
//if useSingle color , then check if user has given a palette or not
// and pick the first color from that or else from our paltette.
color = this.props.colors ? this._createColors()(1) : getNextColor(1, 0, this.props.theme?.isInverted);
} else {
color = this.props.colors
? this._createColors()(point.x)
: getNextColor(index, 0, this.props.theme?.isInverted);
}
return (
<rect
transform={`translate(0,${0.5 * (yBarScale.bandwidth() - this._barHeight)})`}
key={point.x}
x={this._isRtl ? xBarScale(point.x) : this.margins.left!}
y={yBarScale(point.y)}
width={
this._isRtl
? containerWidth - this.margins.right! - Math.max(xBarScale(point.x), 0)
: Math.max(xBarScale(point.x), 0) - this.margins.left!
}
height={this._barHeight}
aria-labelledby={`toolTip${this._calloutId}`}
aria-label={this._getAriaLabel(point)}
role="img"
ref={(e: SVGRectElement) => {
this._refCallback(e, point.legend!);
}}
onClick={point.onClick}
onMouseOver={this._onBarHover.bind(this, point, color)}
onMouseLeave={this._onBarLeave}
onBlur={this._onBarLeave}
data-is-focusable={true}
onFocus={this._onBarFocus.bind(this, point, index, color)}
fill={point.color && !useSingleColor ? point.color : color}
/>
);
});
// Removing un wanted tooltip div from DOM, when prop not provided, for proper cleanup
// of unwanted DOM elements, to prevent flacky behaviour in tooltips , that might occur
// in creating tooltips when tooltips are enabled( as we try to recreate a tspan with this._tooltipId)
if (!this.props.showYAxisLablesTooltip) {
try {
document.getElementById(this._tooltipId) && document.getElementById(this._tooltipId)!.remove();
//eslint-disable-next-line no-empty
} catch (e) {}
}
// Used to display tooltip at y axis labels.
if (this.props.showYAxisLablesTooltip) {
const yAxisElement = d3Select(yElement).call(yBarScale);
if (!this.state.tooltipElement) {
try {
document.getElementById(this._tooltipId) && document.getElementById(this._tooltipId)!.remove();
//eslint-disable-next-line no-empty
} catch (e) {}
}
const ytooltipProps = {
tooltipCls: this._classNames.tooltip!,
id: this._tooltipId,
yAxis: yAxisElement,
};
yAxisElement && this._tooltipOfYAxislabels(ytooltipProps);
}
return bars;
}
private _closeCallout = () => {
this.setState({
isCalloutVisible: false,
});
};
private _onLegendClick(customMessage: string): void {
if (this.state.isLegendSelected) {
if (this.state.selectedLegendTitle === customMessage) {
this.setState({
isLegendSelected: false,
selectedLegendTitle: customMessage,
});
} else E{
this.setState({
selectedLegendTitle: customMessage,
});
}
} else {
this.setState({
isLegendSelected: true,
selectedLegendTitle: customMessage,
});
}
}
private _onLegendHover(customMessage: string): void {
if (this.state.isLegendSelected === false) {
this.setState({
isLegendHovered: true,
selectedLegendTitle: customMessage,
});
}
}
private _onLegendLeave(isLegendFocused?: boolean): void {
if (!!isLegendFocused || this.state.isLegendSelected === false) {
this.setState({
isLegendHovered: false,
selectedLegendTitle: '',
isLegendSelected: isLegendFocused ? false : this.state.isLegendSelected,
});
}
}
private _getLegendData = (data: IHorizontalBarChartWithAxisDataPoint[], palette: IPalette): JSX.Element => {
const { useSingleColor } = this.props;
const actions: ILegend[] = [];
data.forEach((point: IHorizontalBarChartWithAxisDataPoint, _index: number) => {
const color: string = useSingleColor
? this.props.colors
? this._createColors()(1)
: getNextColor(1, 0, this.props.theme?.isInverted)
: point.color!;
// mapping data to the format Legends component needs
const legend: ILegend = {
title: point.legend!,
color,
action: () => {
this._onLegendClick(point.legend!);
},
hoverAction: () => {
this._handleChartMouseLeave();
this._onLegendHover(point.legend!);
},
onMouseOutAction: (isLegendSelected?: boolean) => {
this._onLegendLeave(isLegendSelected);
},
};
actions.push(legend);
});
const legends = (
<Legends
legends={actions}
enabledWrapLines={this.props.enabledLegendsWrapLines}
overflowProps={this.props.legendsOverflowProps}
focusZonePropsInHoverCard={this.props.focusZonePropsForLegendsInHoverCard}
overflowText={this.props.legendsOverflowText}
{...this.props.legendProps}
/>
);
return legends;
};
private _getAxisData = (yAxisData: IAxisData) => {
if (yAxisData && yAxisData.yAxisDomainValues.length) {
// For HBCWA x and y Values are swapped
const { yAxisDomainValues: domainValue } = yAxisData;
this._xMax = Math.max(domainValue[domainValue.length - 1], this.props.xMaxValue || 0);
}
};
private _getAriaLabel = (point: IHorizontalBarChartWithAxisDataPoint): string => {
const xValue = point.xAxisCalloutData || point.x;
const yValue = point.yAxisCalloutData || point.y;
return point.callOutAccessibilityData?.ariaLabel || `${xValue}. ` + `${yValue}.`;
};
}
|