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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1,2 @@ | ||
| export {CHARTKIT_SCROLLABLE_NODE_CLASSNAME} from './common'; | ||
| export * from './widget-data'; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| export const TooltipDataChunkType = { | ||
| BAR_X: 0, | ||
| PIE: 1, | ||
| SCATTER: 2, | ||
| } as const; |
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151 changes: 151 additions & 0 deletions
151
src/plugins/d3/renderer/components/Tooltip/TooltipArea.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,151 @@ | ||
| import React from 'react'; | ||
| import throttle from 'lodash/throttle'; | ||
| import {Delaunay, bisector, pointer, sort} from 'd3'; | ||
|
|
||
| import type { | ||
| ChartScale, | ||
| OnSeriesMouseMove, | ||
| OnSeriesMouseLeave, | ||
| ShapeData, | ||
| PreparedBarXData, | ||
| PreparedScatterData, | ||
| } from '../../hooks'; | ||
|
|
||
| type Args = { | ||
| boundsWidth: number; | ||
| boundsHeight: number; | ||
| offsetTop: number; | ||
| offsetLeft: number; | ||
| shapesData: ShapeData[]; | ||
| svgContainer: SVGSVGElement | null; | ||
| xScale?: ChartScale; | ||
| onSeriesMouseMove?: OnSeriesMouseMove; | ||
| onSeriesMouseLeave?: OnSeriesMouseLeave; | ||
| }; | ||
|
|
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| type CalculationType = 'x-primary' | 'delaunay'; | ||
|
|
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| // https://d3js.org/d3-selection/joining#selection_data | ||
| const isNodeContainsData = (node?: Element): node is Element & {__data__: ShapeData} => { | ||
| return Boolean(node && '__data__' in node); | ||
| }; | ||
|
|
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| const getCalculationType = (shapesData: ShapeData[]): CalculationType => { | ||
| if (shapesData.every((d) => d.series.type === 'bar-x')) { | ||
| return 'x-primary'; | ||
| } | ||
|
|
||
| if (shapesData.every((d) => d.series.type === 'scatter')) { | ||
| return 'delaunay'; | ||
| } | ||
|
|
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| throw new Error('This type of series does not supported for tooltip yet'); | ||
| }; | ||
|
|
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| export const TooltipArea = (args: Args) => { | ||
| const { | ||
| boundsWidth, | ||
| boundsHeight, | ||
| offsetTop, | ||
| offsetLeft, | ||
| shapesData, | ||
| svgContainer, | ||
| xScale, | ||
| onSeriesMouseMove, | ||
| onSeriesMouseLeave, | ||
| } = args; | ||
| const rectRef = React.useRef<SVGRectElement>(null); | ||
| const calculationType = React.useMemo(() => { | ||
| return getCalculationType(shapesData); | ||
| }, [shapesData]); | ||
| const xData = React.useMemo(() => { | ||
| return calculationType === 'x-primary' | ||
| ? sort(new Set((shapesData as PreparedBarXData[]).map((d) => d.x))) | ||
| : []; | ||
| }, [shapesData, calculationType]); | ||
| // eslint-disable-next-line @typescript-eslint/no-unused-vars | ||
| const delaunay = React.useMemo(() => { | ||
| return calculationType === 'delaunay' | ||
| ? new Delaunay( | ||
| new Float64Array( | ||
| (shapesData as PreparedScatterData[]).map((d) => [d.cx, d.cy]).flat(), | ||
| ), | ||
| ) | ||
| : undefined; | ||
| }, [shapesData, calculationType]); | ||
|
|
||
| const handleXprimaryMouseMove: React.MouseEventHandler<SVGRectElement> = (e) => { | ||
| const {left, top} = rectRef.current?.getBoundingClientRect() || {left: 0, top: 0}; | ||
| const [x, y] = pointer(e, svgContainer); | ||
| const isXLinearOrTimeScale = xScale && 'invert' in xScale; | ||
| const xPosition = x - left - (isXLinearOrTimeScale ? 0 : offsetLeft); | ||
| const xDataIndex = bisector((d) => d).center(xData, xPosition); | ||
| const xNodes = Array.from( | ||
| rectRef.current?.parentElement?.querySelectorAll(`[x="${xData[xDataIndex]}"]`) || [], | ||
| ); | ||
|
|
||
| if (xNodes.length === 1 && isNodeContainsData(xNodes[0])) { | ||
| onSeriesMouseMove?.({ | ||
| hovered: [xNodes[0].__data__], | ||
| pointerPosition: [x - offsetLeft, y - offsetTop], | ||
| }); | ||
| } else if (xNodes.length > 1 && xNodes.every(isNodeContainsData)) { | ||
| const yData = xNodes.map((node) => (node.__data__ as PreparedBarXData).y); | ||
| const yPosition = y - top; | ||
| const yDataIndex = bisector((d) => d).center(yData, yPosition); | ||
|
|
||
| if (xNodes[yDataIndex]) { | ||
| xNodes.reverse(); | ||
| onSeriesMouseMove?.({ | ||
| hovered: [xNodes[yDataIndex].__data__], | ||
| pointerPosition: [x - offsetLeft, y - offsetTop], | ||
| }); | ||
| } | ||
| } | ||
| }; | ||
|
|
||
| const handleDelaunayMouseMove: React.MouseEventHandler<SVGRectElement> = (e) => { | ||
| console.log(document.elementFromPoint(e.clientX, e.clientY)); | ||
| // const {left, top} = rectRef.current?.getBoundingClientRect() || {left: 0, top: 0}; | ||
| // const [x, y] = pointer(e, svgContainer); | ||
| // const dataIndex = delaunay?.find(x - left, y - top, prevIndex) || -1; | ||
| // if (shapesData[dataIndex]) { | ||
| // prevIndex = dataIndex; | ||
| // // console.log(shapesData[dataIndex]); | ||
| // onSeriesMouseMove?.({ | ||
| // hovered: [shapesData[dataIndex]], | ||
| // pointerPosition: [x - offsetLeft, y - offsetTop], | ||
| // }); | ||
| // } | ||
| }; | ||
|
|
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| const handleMouseMove: React.MouseEventHandler<SVGRectElement> = (e) => { | ||
| switch (calculationType) { | ||
| case 'x-primary': { | ||
| handleXprimaryMouseMove(e); | ||
| return; | ||
| } | ||
| case 'delaunay': { | ||
| handleDelaunayMouseMove(e); | ||
| } | ||
| } | ||
| }; | ||
|
|
||
| const throttledHandleMouseMove = throttle(handleMouseMove, 50); | ||
|
|
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| const handleMouseLeave = () => { | ||
| throttledHandleMouseMove.cancel(); | ||
| onSeriesMouseLeave?.(); | ||
| }; | ||
|
|
||
| return ( | ||
| <rect | ||
| ref={rectRef} | ||
| width={boundsWidth} | ||
| height={boundsHeight} | ||
| fill="transparent" | ||
| onMouseMove={throttledHandleMouseMove} | ||
| onMouseLeave={handleMouseLeave} | ||
| /> | ||
| ); | ||
| }; |
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