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import { lazy } from 'react';
import { IProcessedStyleSet } from '@fluentui/react/lib/Styling';
import { classNamesFunction, getId, getRTL } from '@fluentui/react/lib/Utilities';
import { Callout } from '@fluentui/react/lib/Callout';
import { FocusZone, FocusZoneDirection } from '@fluentui/react-focus';
import {
ICartesianChartStyles,
ICartesianChartStyleProps,
IModifiedCartesianChartProps,
IYValueHover,
IHorizontalBarChartWithAxisDataPoint,
} from '../../index';
import { convertToLocaleString } from '../../utilities/locale-util';
import {
createNumericXAxis,
createStringXAxis,
IAxisData,
getAccessibleDataObject,
getDomainNRangeValues,
createDateXAxis,
createYAxis,
createStringYAxis,
IMargins,
getMinMaxOfYAxis,
XAxisTypes,
YAxisType,
createWrapOfXLabels,
rotateXAxisLabels,
Points,
pointTypes,
calculateLongestLabelWidth,
createYAxisLabels,
ChartTypes,
wrapContent,
} from '../../utilities/index';
import { LegendShape, Shape } from '../Legends/index';
import { SVGTooltipText } from '../../utilities/SVGTooltipText';
const getClassNames = classNamesFunction<ICartesianChartStyleProps, ICartesianChartStyles>();
const ChartHoverCard = lazy(() =>
import('../../utilities/ChartHoverCard/ChartHoverCard').then(module => ({ default: module.ChartHoverCard })),
);
export interface ICartesianChartState {
containerWidth: number;
containerHeight: number;
_width: number;
_height: number;
/* To update this values using setState in render method.
* To avoid multiple re renders, Only first time setting the value.
*/
isRemoveValCalculated?: boolean;
/* Used for when WrapXAxisLabels props appeared.
* To display the total word (space separated words), Need to have more space than usual.
* This height will get total height need to disaply total word.
* These value need to be removed from actual svg height/graph height.
* Defalut value is 0. And this values calculted when 'wrapXAxisLables' or 'showXAxisLablesTooltip' is true.
*/
_removalValueForTextTuncate?: number;
startFromX: number;
}
/**
* Cartesian chart used for
* 1.draw X and Y axis of the chart
* 2.Callout
* 3.Fit parent Continer
*/
export class CartesianChartBase extends React.Component<IModifiedCartesianChartProps, ICartesianChartState> {
private _classNames: IProcessedStyleSet<ICartesianChartStyles>;
private chartContainer: HTMLDivElement;
private legendContainer: HTMLDivElement;
private minLegendContainerHeight: number = 32;
private xAxisElement: SVGElement | null;
private yAxisElement: SVGElement | null;
private yAxisElementSecondary: SVGElement | null;
private margins: IMargins;
private idForGraph: string;
private idForDefaultTabbableElement: string;
private _reqID: number;
private _isRtl: boolean = getRTL();
private _tickValues: (string | number)[];
private titleMargin: number;
private _isFirstRender: boolean = true;
// eslint-disable-next-line @typescript-eslint/no-explicit-any
private _xScale: any;
private isIntegralDataset: boolean = true;
constructor(props: IModifiedCartesianChartProps) {
super(props);
this.state = {
containerHeight: 0,
containerWidth: 0,
_width: this.props.width || 600,
_height: this.props.height || 350,
_removalValueForTextTuncate: 0,
isRemoveValCalculated: true,
startFromX: 0,
};
this.idForGraph = getId('chart_');
this.titleMargin = 8;
this.idForDefaultTabbableElement = getId('defaultTabbableElement_');
/**
* In RTL mode, Only graph will be rendered left/right. We need to provide left and right margins manually.
* So that, in RTL, left margins becomes right margins and viceversa.
* As graph needs to be drawn perfecty, these values consider as default values.
* Same margins using for all other cartesian charts. Can be accessible through 'getMargins' call back method.
*/
this.margins = {
top: this.props.margins?.top ?? 20,
bottom: this.props.margins?.bottom ?? 35,
right: this._isRtl
? this.props.margins?.left ?? 40
: this.props.margins?.right ?? this.props?.secondaryYScaleOptions
? 40
: 20,
left: this._isRtl
? this.props.margins?.right ?? this.props?.secondaryYScaleOptions
? 40
: 20
: this.props.margins?.left ?? 40,
};
Iif (this.props.xAxisTitle !== undefined && this.props.xAxisTitle !== '') {
this.margins.bottom! = this.props.margins?.bottom ?? 55;
}
Iif (this.props.yAxisTitle !== undefined && this.props.yAxisTitle !== '') {
this.margins.left! = this._isRtl
? this.props.margins?.right ?? this.props?.secondaryYAxistitle
? 60
: 40
: this.props.margins?.left ?? 60;
this.margins.right! = this._isRtl
? this.props.margins?.left ?? 60
: this.props.margins?.right ?? this.props?.secondaryYAxistitle
? 60
: 40;
}
}
public componentDidMount(): void {
this._fitParentContainer();
if (
this.props.chartType === ChartTypes.HorizontalBarChartWithAxis &&
this.props.showYAxisLables &&
this.yAxisElement
) {
const maxYAxisLabelLength = calculateLongestLabelWidth(
this.props.points.map((point: IHorizontalBarChartWithAxisDataPoint) => point.y),
`.${this._classNames.yAxis} text`,
);
if (this.state.startFromX !== maxYAxisLabelLength) {
this.setState({
startFromX: maxYAxisLabelLength,
});
}
} else Iif (this.state.startFromX !== 0) {
this.setState({
startFromX: 0,
});
}
this.isIntegralDataset = !this.props.points.some((point: { y: number }) => {
return point.y % 1 !== 0;
});
}
public componentWillUnmount(): void {
cancelAnimationFrame(this._reqID);
}
public componentDidUpdate(prevProps: IModifiedCartesianChartProps): void {
if (prevProps.height !== this.props.height || prevProps.width !== this.props.width) {
this._fitParentContainer();
}
if (
!this.props.wrapXAxisLables &&
this.props.rotateXAxisLables &&
this.props.xAxisType! === XAxisTypes.StringAxis
) {
const rotateLabelProps = {
node: this.xAxisElement,
xAxis: this._xScale,
};
const rotatedHeight = rotateXAxisLabels(rotateLabelProps);
Iif (
this.state.isRemoveValCalculated &&
this.state._removalValueForTextTuncate !== rotatedHeight! + this.margins.bottom! &&
rotatedHeight! > 0
) {
this.setState({
_removalValueForTextTuncate: rotatedHeight! + this.margins.bottom!,
isRemoveValCalculated: false,
});
}
}
if (
this.props.chartType === ChartTypes.HorizontalBarChartWithAxis &&
this.props.showYAxisLables &&
this.yAxisElement
) {
const maxYAxisLabelLength = calculateLongestLabelWidth(
this.props.points.map((point: IHorizontalBarChartWithAxisDataPoint) => point.y),
`.${this._classNames.yAxis} text`,
);
Iif (this.state.startFromX !== maxYAxisLabelLength) {
this.setState({
startFromX: maxYAxisLabelLength,
});
}
} else Iif (this.state.startFromX !== 0) {
this.setState({
startFromX: 0,
});
}
if (prevProps.points !== this.props.points) {
this.isIntegralDataset = !this.props.points.some((point: { y: number }) => {
return point.y % 1 !== 0;
});
}
}
public render(): JSX.Element {
const {
calloutProps,
points,
chartType,
chartHoverProps,
svgFocusZoneProps,
svgProps,
culture,
dateLocalizeOptions,
timeFormatLocale,
customDateTimeFormatter,
} = this.props;
Iif (this.props.parentRef) {
this._fitParentContainer();
}
const margin = { ...this.margins };
if (this.props.chartType === ChartTypes.HorizontalBarChartWithAxis) {
if (!this._isRtl) {
margin.left! += this.state.startFromX;
} else E{
margin.right! += this.state.startFromX;
}
}
// Callback for margins to the chart
this.props.getmargins && this.props.getmargins(margin);
let callout: JSX.Element | null = null;
let children = null;
if (
(this.props.enableFirstRenderOptimization && this.chartContainer) ||
!this.props.enableFirstRenderOptimization
) {
this._isFirstRender = false;
const XAxisParams = {
domainNRangeValues: getDomainNRangeValues(
points,
this.props.getDomainMargins ? this.props.getDomainMargins(this.state.containerWidth) : this.margins,
this.state.containerWidth,
chartType,
this._isRtl,
this.props.xAxisType,
this.props.barwidth!,
this.props.tickValues!,
// This is only used for Horizontal Bar Chart with Axis for y as string axis
this.state.startFromX,
),
containerHeight: this.state.containerHeight - this.state._removalValueForTextTuncate!,
margins: this.margins,
xAxisElement: this.xAxisElement!,
showRoundOffXTickValues: true,
xAxisCount: this.props.xAxisTickCount,
xAxistickSize: this.props.xAxistickSize,
tickPadding: this.props.tickPadding || this.props.showXAxisLablesTooltip ? 5 : 10,
xAxisPadding: this.props.xAxisPadding,
xAxisInnerPadding: this.props.xAxisInnerPadding,
xAxisOuterPadding: this.props.xAxisOuterPadding,
};
const YAxisParams = {
margins: this.margins,
containerWidth: this.state.containerWidth,
containerHeight: this.state.containerHeight - this.state._removalValueForTextTuncate!,
yAxisElement: this.yAxisElement,
yAxisTickFormat: this.props.yAxisTickFormat!,
yAxisTickCount: this.props.yAxisTickCount!,
yMinValue: this.props.yMinValue || 0,
yMaxValue: this.props.yMaxValue || 0,
tickPadding: 10,
maxOfYVal: this.props.maxOfYVal,
yMinMaxValues: getMinMaxOfYAxis(points, chartType, this.props.yAxisType),
// please note these padding default values must be consistent in here
// and the parent chart(HBWA/Vertical etc..) for more details refer example
// http://using-d3js.com/04_07_ordinal_scales.html
yAxisPadding: this.props.yAxisPadding || 0,
};
/**
* These scales used for 2 purposes.
* 1. To create x and y axis
* 2. To draw the graph.
* For area/line chart using same scales. For other charts, creating their own scales to draw the graph.
*/
// eslint-disable-next-line @typescript-eslint/no-explicit-any
let xScale: any;
let tickValues: (string | number)[];
switch (this.props.xAxisType!) {
case XAxisTypes.NumericAxis:
({ xScale, tickValues } = createNumericXAxis(XAxisParams, this.props.chartType, culture));
break;
case XAxisTypes.DateAxis:
({ xScale, tickValues } = createDateXAxis(
XAxisParams,
this.props.tickParams!,
culture,
dateLocalizeOptions,
timeFormatLocale,
customDateTimeFormatter,
));
break;
case XAxisTypes.StringAxis:
({ xScale, tickValues } = createStringXAxis(
XAxisParams,
this.props.tickParams!,
this.props.datasetForXAxisDomain!,
culture,
));
break;
default:
({ xScale, tickValues } = createNumericXAxis(XAxisParams, this.props.chartType, culture));
}
this._xScale = xScale;
this._tickValues = tickValues;
/*
* To enable wrapping of x axis tick values or to display complete x axis tick values,
* we need to calculate how much space it needed to render the text.
* No need to re-calculate every time the chart renders and same time need to get an update. So using setState.
* Required space will be calculated first time chart rendering and if any width/height of chart updated.
* */
if (this.props.wrapXAxisLables || this.props.showXAxisLablesTooltip) {
const wrapLabelProps = {
node: this.xAxisElement,
xAxis: xScale,
showXAxisLablesTooltip: this.props.showXAxisLablesTooltip || false,
noOfCharsToTruncate: this.props.noOfCharsToTruncate || 4,
};
const temp = xScale && (createWrapOfXLabels(wrapLabelProps) as number);
// this value need to be updated for draw graph updated. So instead of using private value, using set state.
Iif (this.state.isRemoveValCalculated && this.state._removalValueForTextTuncate !== temp) {
this.setState({ _removalValueForTextTuncate: temp, isRemoveValCalculated: false });
}
}
/**
* These scales used for 2 purposes.
* 1. To create x and y axis
* 2. To draw the graph.
* For area/line chart using same scales. For other charts, creating their own scales to draw the graph.
*/
// eslint-disable-next-line @typescript-eslint/no-explicit-any
let yScale: any;
// eslint-disable-next-line @typescript-eslint/no-explicit-any
let yScaleSecondary: any;
const axisData: IAxisData = { yAxisDomainValues: [] };
if (this.props.yAxisType && this.props.yAxisType === YAxisType.StringAxis) {
yScale = createStringYAxis(
YAxisParams,
this.props.stringDatasetForYAxisDomain!,
this._isRtl,
this.props.chartType,
this.props.barwidth,
culture,
);
} else {
Iif (this.props?.secondaryYScaleOptions) {
const YAxisParamsSecondary = {
margins: this.margins,
containerWidth: this.state.containerWidth,
containerHeight: this.state.containerHeight - this.state._removalValueForTextTuncate!,
yAxisElement: this.yAxisElementSecondary,
yAxisTickFormat: this.props.yAxisTickFormat!,
yAxisTickCount: this.props.yAxisTickCount!,
yMinValue: this.props.secondaryYScaleOptions?.yMinValue || 0,
yMaxValue: this.props.secondaryYScaleOptions?.yMaxValue ?? 100,
tickPadding: 10,
maxOfYVal: this.props.secondaryYScaleOptions?.yMaxValue ?? 100,
yMinMaxValues: getMinMaxOfYAxis(points, chartType),
yAxisPadding: this.props.yAxisPadding,
};
yScaleSecondary = createYAxis(
YAxisParamsSecondary,
this._isRtl,
axisData,
chartType,
this.props.barwidth!,
this.isIntegralDataset,
true,
);
}
yScale = createYAxis(
YAxisParams,
this._isRtl,
axisData,
chartType,
this.props.barwidth!,
this.isIntegralDataset,
);
}
/*
* To create y axis tick values by if specified
truncating the rest of the text and showing elipsis
or showing the whole string,
* */
this.props.chartType === ChartTypes.HorizontalBarChartWithAxis &&
yScale &&
createYAxisLabels(
this.yAxisElement,
yScale,
this.props.noOfCharsToTruncate || 4,
this.props.showYAxisLablesTooltip || false,
this.state.startFromX,
this._isRtl,
);
this.props.getAxisData && this.props.getAxisData(axisData);
// Callback function for chart, returns axis
this._getData(xScale, yScale);
children = this.props.children({
...this.state,
xScale,
yScale,
yScaleSecondary,
});
if (!this.props.hideTooltip && calloutProps!.isCalloutVisible) {
callout = this._generateCallout(calloutProps, chartHoverProps);
}
}
this._classNames = getClassNames(this.props.styles!, {
theme: this.props.theme!,
width: this.state._width,
height: this.state._height,
className: this.props.className,
isRtl: this._isRtl,
});
const svgDimensions = {
width: this.state.containerWidth,
height: this.state.containerHeight,
};
let focusDirection;
if (this.props.focusZoneDirection === FocusZoneDirection.vertical) {
focusDirection = this.props.focusZoneDirection;
} else if (this.props.focusZoneDirection) {
focusDirection = this.props.focusZoneDirection;
} else {
focusDirection = FocusZoneDirection.horizontal;
}
const xAxisTitleMaximumAllowedWidth =
svgDimensions.width - this.margins.left! - this.margins.right! - this.state.startFromX!;
const yAxisTitleMaximumAllowedHeight =
svgDimensions.height -
this.margins.bottom! -
this.margins.top! -
this.state._removalValueForTextTuncate! -
this.titleMargin;
/**
* We have use the {@link defaultTabbableElement } to fix
* the Focus not landing on chart while tabbing, instead goes to legend.
* This issue is observed in Area, line chart after performance optimization done in the PR {@link https://github.com/microsoft/fluentui/pull/27721 }
* This issue is observed in Bar charts after the changes done by FocusZone team in the PR: {@link https://github.com/microsoft/fluentui/pull/24175 }
* The issue in Bar Charts(VB and VSB) is due to a {@link FocusZone } update where previously an event listener was
* attached on keydown to the window, so that whenever the tab key is pressed all outer FocusZone's
* tab-indexes are updated (an outer FocusZone is a FocusZone that is not within another one).
* But now after the above PR : they are attaching the
* listeners to the FocusZone elements instead of the window. So in the first render cycle in Bar charts
* bars are not created as in the first render cycle the size of the chart container is not known( or is 0)
* which creates bars of height 0 so instead we do not create any bars and instead return empty fragments.
*
* We have tried 2 Approaches to fix the issue:
* 1. Using the {@link elementRef} property of FocusZone where we dispatch event for tab keydown
* after the second render cycle which triggers an update of the tab index in FocusZone.
* But this is a hacky solution and not a proper fix and also elementRef is deprecated.
* 2. Using the default tabbable element to fix the issue.
*/
return (
<div
id={this.idForGraph}
className={this._classNames.root}
role={'presentation'}
ref={(rootElem: HTMLDivElement) => (this.chartContainer = rootElem)}
onMouseLeave={this._onChartLeave}
>
{!this._isFirstRender && <div id={this.idForDefaultTabbableElement} />}
<FocusZone
direction={focusDirection}
className={this._classNames.chartWrapper}
defaultTabbableElement={`#${this.idForDefaultTabbableElement}`}
{...svgFocusZoneProps}
>
{this._isFirstRender && <div id={this.idForDefaultTabbableElement} />}
<svg
width={svgDimensions.width}
height={svgDimensions.height}
aria-label={this.props.chartTitle}
style={{ display: 'block' }}
{...svgProps}
>
<g
ref={(e: SVGElement | null) => {
this.xAxisElement = e;
}}
id={`xAxisGElement${this.idForGraph}`}
// To add wrap of x axis lables feature, need to remove word height from svg height.
transform={`translate(0, ${
svgDimensions.height - this.margins.bottom! - this.state._removalValueForTextTuncate!
})`}
className={this._classNames.xAxis}
/>
{this.props.xAxisTitle !== undefined && this.props.xAxisTitle !== '' && (
<SVGTooltipText
content={this.props.xAxisTitle}
textProps={{
x: this.margins.left! + this.state.startFromX + xAxisTitleMaximumAllowedWidth / 2,
y: svgDimensions.height - this.titleMargin,
className: this._classNames.axisTitle!,
textAnchor: 'middle',
}}
maxWidth={xAxisTitleMaximumAllowedWidth}
wrapContent={wrapContent}
/>
)}
<g
ref={(e: SVGElement | null) => {
this.yAxisElement = e;
}}
id={`yAxisGElement${this.idForGraph}`}
transform={`translate(${
this._isRtl
? svgDimensions.width - this.margins.right! - this.state.startFromX
: this.margins.left! + this.state.startFromX
}, 0)`}
className={this._classNames.yAxis}
/>
{this.props.secondaryYScaleOptions && (
<g>
<g
ref={(e: SVGElement | null) => {
this.yAxisElementSecondary = e;
}}
id={`yAxisGElementSecondary${this.idForGraph}`}
transform={`translate(${
this._isRtl ? this.margins.left! : svgDimensions.width - this.margins.right!
}, 0)`}
className={this._classNames.yAxis}
/>
{this.props.secondaryYAxistitle !== undefined && this.props.secondaryYAxistitle !== '' && (
<SVGTooltipText
content={this.props.secondaryYAxistitle}
textProps={{
x:
(yAxisTitleMaximumAllowedHeight - this.margins.bottom!) / 2 +
this.state._removalValueForTextTuncate!,
y: this._isRtl
? this.state.startFromX - this.titleMargin
: svgDimensions.width - this.margins.right!,
textAnchor: 'middle',
transform: `translate(${
this._isRtl
? this.margins.right! / 2 - this.titleMargin
: this.margins.right! / 2 + this.titleMargin
},
${svgDimensions.height - this.margins.bottom! - this.margins.top! - this.titleMargin})rotate(-90)`,
className: this._classNames.axisTitle!,
}}
maxWidth={yAxisTitleMaximumAllowedHeight}
wrapContent={wrapContent}
/>
)}
</g>
)}
{children}
{this.props.yAxisTitle !== undefined && this.props.yAxisTitle !== '' && (
<SVGTooltipText
content={this.props.yAxisTitle}
textProps={{
x:
(yAxisTitleMaximumAllowedHeight - this.margins.bottom!) / 2 +
this.state._removalValueForTextTuncate!,
y: this._isRtl
? svgDimensions.width - this.margins.right! / 2 + this.titleMargin
: this.margins.left! / 2 + this.state.startFromX - this.titleMargin,
textAnchor: 'middle',
transform: `translate(0,
${svgDimensions.height - this.margins.bottom! - this.margins.top! - this.titleMargin})rotate(-90)`,
className: this._classNames.axisTitle!,
}}
maxWidth={yAxisTitleMaximumAllowedHeight}
wrapContent={wrapContent}
/>
)}
</svg>
</FocusZone>
{!this.props.hideLegend && (
<div ref={(e: HTMLDivElement) => (this.legendContainer = e)} className={this._classNames.legendContainer}>
{this.props.legendBars}
</div>
)}
{/** The callout is used for narration, so keep it mounted on the DOM */}
{callout && <React.Suspense fallback={<div>Loading...</div>}>{callout}</React.Suspense>}
</div>
);
}
/**
* Dedicated function to return the Callout JSX Element , which can further be used to only call this when
* only the calloutprops and charthover props changes.
* @param calloutProps
* @param chartHoverProps
* @returns
*/
// eslint-disable-next-line @typescript-eslint/no-explicit-any
private _generateCallout(calloutProps: any, chartHoverProps: any): JSX.Element {
return (
<Callout
hidden={!(!this.props.hideTooltip && calloutProps!.isCalloutVisible)}
/** Keep the callout updated with details of focused/hovered chart element */
shouldUpdateWhenHidden={true}
{...calloutProps}
>
{/** Given custom callout, then it will render */}
{this.props.customizedCallout && this.props.customizedCallout}
{/** single x point its corresponding y points of all the bars/lines in chart will render in callout */}
{!this.props.customizedCallout && this.props.isCalloutForStack && this._multiValueCallout(calloutProps)}
{/** single x point its corresponding y point of single line/bar in the chart will render in callout */}
{!this.props.customizedCallout && !this.props.isCalloutForStack && (
<ChartHoverCard
XValue={calloutProps.XValue}
Legend={calloutProps.legend!}
YValue={calloutProps.YValue!}
color={calloutProps.color!}
culture={this.props.culture}
{...chartHoverProps}
/>
)}
</Callout>
);
}
// TO DO: Write a common functional component for Multi value callout and divide sub count method
// eslint-disable-next-line @typescript-eslint/no-explicit-any
private _multiValueCallout = (calloutProps: any) => {
const yValueHoverSubCountsExists: boolean = this._yValueHoverSubCountsExists(calloutProps.YValueHover);
return (
<div className={this._classNames.calloutContentRoot}>
<div
className={this._classNames.calloutDateTimeContainer}
style={yValueHoverSubCountsExists ? { marginBottom: '11px' } : {}}
>
<div
className={this._classNames.calloutContentX}
{...getAccessibleDataObject(calloutProps!.xAxisCalloutAccessibilityData, 'text', false)}
>
{convertToLocaleString(calloutProps!.hoverXValue, this.props.culture)}
</div>
</div>
<div
className={this._classNames.calloutInfoContainer}
style={yValueHoverSubCountsExists ? { display: 'flex' } : {}}
>
{calloutProps!.YValueHover &&
calloutProps!.YValueHover.map((yValue: IYValueHover, index: number, yValues: IYValueHover[]) => {
const isLast: boolean = index + 1 === yValues.length;
const { shouldDrawBorderBottom = false } = yValue;
return (
<div
{...getAccessibleDataObject(yValue.callOutAccessibilityData, 'text', false)}
key={`callout-content-${index}`}
style={
yValueHoverSubCountsExists
? {
display: 'inline-block',
...(shouldDrawBorderBottom && {
borderBottom: `1px solid ${this.props.theme!.semanticColors.menuDivider}`,
paddingBottom: '10px',
}),
}
: {
...(shouldDrawBorderBottom && {
borderBottom: `1px solid ${this.props.theme!.semanticColors.menuDivider}`,
paddingBottom: '10px',
}),
}
}
>
{this._getCalloutContent(yValue, index, yValueHoverSubCountsExists, isLast)}
</div>
);
})}
{!!calloutProps.descriptionMessage && (
<div className={this._classNames.descriptionMessage}>{calloutProps.descriptionMessage}</div>
)}
</div>
</div>
);
};
private _yValueHoverSubCountsExists(yValueHover?: IYValueHover[]) {
if (yValueHover) {
return yValueHover.some(
(yValue: {
legend?: string;
y?: number;
color?: string;
yAxisCalloutData?: string | { [id: string]: number };
}) => yValue.yAxisCalloutData && typeof yValue.yAxisCalloutData !== 'string',
);
}
return false;
}
private _getCalloutContent(
xValue: IYValueHover,
index: number,
yValueHoverSubCountsExists: boolean,
isLast: boolean,
): React.ReactNode {
const marginStyle: React.CSSProperties = isLast ? {} : { marginRight: '16px' };
const toDrawShape = xValue.index !== undefined && xValue.index !== -1;
const _classNames = getClassNames(this.props.styles!, {
theme: this.props.theme!,
width: this.state._width,
height: this.state._height,
className: this.props.className,
isRtl: this._isRtl,
lineColor: xValue.color,
toDrawShape,
});
const { culture } = this.props;
const yValue = convertToLocaleString(xValue.y, culture);
if (!xValue.yAxisCalloutData || typeof xValue.yAxisCalloutData === 'string') {
return (
<div style={yValueHoverSubCountsExists ? marginStyle : {}}>
{yValueHoverSubCountsExists && (
<div className="ms-fontWeight-semibold" style={{ fontSize: '12pt' }}>
{xValue.legend!} ({yValue})
</div>
)}
<div id={`${index}_${xValue.y}`} className={_classNames.calloutBlockContainer}>
{toDrawShape && (
<Shape
svgProps={{
className: _classNames.shapeStyles,
}}
pathProps={{ fill: xValue.color }}
shape={Points[xValue.index! % Object.keys(pointTypes).length] as LegendShape}
/>
)}
<div>
<div className={_classNames.calloutlegendText}> {xValue.legend}</div>
<div className={_classNames.calloutContentY}>
{convertToLocaleString(
xValue.yAxisCalloutData ? xValue.yAxisCalloutData : xValue.y ?? xValue.data,
culture,
)}
</div>
</div>
</div>
</div>
);
} else E{
const subcounts: { [id: string]: number } = xValue.yAxisCalloutData as { [id: string]: number };
return (
<div style={marginStyle}>
<div className="ms-fontWeight-semibold" style={{ fontSize: '12pt' }}>
{xValue.legend!} ({yValue})
</div>
{Object.keys(subcounts).map((subcountName: string) => {
return (
<div key={subcountName} className={_classNames.calloutBlockContainer}>
<div className={_classNames.calloutlegendText}> {convertToLocaleString(subcountName, culture)}</div>
<div className={_classNames.calloutContentY}>
{convertToLocaleString(subcounts[subcountName], culture)}
</div>
</div>
);
})}
</div>
);
}
}
/**
* When screen resizes, along with screen, chart also auto adjusted.
* This method used to adjust height and width of the charts.
*/
private _fitParentContainer(): void {
const { containerWidth, containerHeight } = this.state;
this._reqID = requestAnimationFrame(() => {
let legendContainerHeight;
if (this.props.hideLegend) {
// If there is no legend, need not to allocate some space from total chart space.
legendContainerHeight = 0;
} else {
const legendContainerComputedStyles = this.legendContainer && getComputedStyle(this.legendContainer);
legendContainerHeight =
((this.legendContainer && this.legendContainer.getBoundingClientRect().height) ||
this.minLegendContainerHeight) +
parseFloat((legendContainerComputedStyles && legendContainerComputedStyles.marginTop) || '0') +
parseFloat((legendContainerComputedStyles && legendContainerComputedStyles.marginBottom) || '0');
}
if (this.props.parentRef || this.chartContainer) {
const container = this.props.parentRef ? this.props.parentRef : this.chartContainer;
const currentContainerWidth =
this.props.enableReflow && !this._isFirstRender
? Math.max(container.getBoundingClientRect().width, this._calculateChartMinWidth())
: container.getBoundingClientRect().width;
const currentContainerHeight =
container.getBoundingClientRect().height > legendContainerHeight
? container.getBoundingClientRect().height
: 350;
const shouldResize =
containerWidth !== currentContainerWidth ||
containerHeight !== currentContainerHeight - legendContainerHeight;
if (shouldResize) {
this.setState({
containerWidth: currentContainerWidth,
containerHeight: currentContainerHeight - legendContainerHeight,
});
}
}
});
}
// Call back to the chart.
// eslint-disable-next-line @typescript-eslint/no-explicit-any
private _getData = (xScale: any, yScale: any) => {
this.props.getGraphData &&
this.props.getGraphData(
xScale,
yScale,
this.state.containerHeight - this.state._removalValueForTextTuncate!,
this.state.containerWidth,
this.xAxisElement,
this.yAxisElement,
);
};
private _onChartLeave = (): void => {
this.props.onChartMouseLeave && this.props.onChartMouseLeave();
};
private _calculateChartMinWidth = (): number => {
let labelWidth = 10; // Total padding on the left and right sides of the label
// Case: rotated labels
Iif (
!this.props.wrapXAxisLables &&
this.props.rotateXAxisLables &&
this.props.xAxisType! === XAxisTypes.StringAxis
) {
const longestLabelWidth = calculateLongestLabelWidth(this._tickValues, `.${this._classNames.xAxis} text`);
labelWidth += Math.ceil(longestLabelWidth * Math.cos(Math.PI / 4));
}
// Case: truncated labels
else if (this.props.showXAxisLablesTooltip) {
const tickValues = this._tickValues.map(val => {
const numChars = this.props.noOfCharsToTruncate || 4;
return val.toString().length > numChars ? `${val.toString().slice(0, numChars)}...` : val;
});
const longestLabelWidth = calculateLongestLabelWidth(tickValues, `.${this._classNames.xAxis} text`);
labelWidth += Math.ceil(longestLabelWidth);
}
// Case: wrapped labels
else Iif (this.props.wrapXAxisLables) {
const words: string[] = [];
this._tickValues.forEach((val: string) => {
words.push(...val.toString().split(/\s+/));
});
const longestLabelWidth = calculateLongestLabelWidth(words, `.${this._classNames.xAxis} text`);
labelWidth += Math.max(Math.ceil(longestLabelWidth), 10);
}
// Default case
else {
const longestLabelWidth = calculateLongestLabelWidth(this._tickValues, `.${this._classNames.xAxis} text`);
labelWidth += Math.ceil(longestLabelWidth);
}
let minChartWidth = this.margins.left! + this.margins.right! + labelWidth * (this._tickValues.length - 1);
Iif (
[ChartTypes.GroupedVerticalBarChart, ChartTypes.VerticalBarChart, ChartTypes.VerticalStackedBarChart].includes(
this.props.chartType,
)
) {
const minDomainMargin = 8;
minChartWidth += minDomainMargin * 2;
}
return minChartWidth;
};
}
|