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@ -1,34 +1,35 @@
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import { ChartwerkPod, VueChartwerkPodMixin, TimeFormat, yAxisOrientation, CrosshairOrientation } from '@chartwerk/core'; |
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import { ScatterData, ScatterOptions, PointType, LineType, HighlightedData, MouseMoveEvent, DelaunayDataRow } from './types'; |
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import { ChartwerkPod, VueChartwerkPodMixin, TickOrientation, TimeFormat, yAxisOrientation, CrosshairOrientation } from '@chartwerk/core'; |
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import { ScatterData, ScatterOptions, PointType, LineType, Datapoint } from './types'; |
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import { DelaunayDiagram } from './models/delaunay'; |
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import { ScatterSeries } from './models/scatter_series'; |
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import { DelaunayDiagram } from './delaunay'; |
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import * as d3 from 'd3'; |
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import * as _ from 'lodash'; |
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// TODO: use pod state with defaults
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const DEFAULT_POINT_SIZE = 4; |
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const POINT_HIGHLIGHT_DIAMETER = 4; |
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const CROSSHAIR_BACKGROUND_OPACITY = 0.3; |
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const DEFAULT_POINT_TYPE = PointType.CIRCLE; |
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const DEFAULT_LINE_TYPE = LineType.NONE; |
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const DEFAULT_LINE_DASHED_AMOUNT = 4; |
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export class ChartwerkScatterPod extends ChartwerkPod<ScatterData, ScatterOptions> { |
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metricContainer: any; |
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_delaunayDiagram: DelaunayDiagram; |
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series: ScatterSeries; |
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constructor(el: HTMLElement, _series: ScatterData[] = [], _options: ScatterOptions = {}) { |
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super(el, _series, _options); |
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this.series = new ScatterSeries(_series); |
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} |
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renderMetrics(): void { |
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if(!this.series.isSeriesAvailable) { |
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if(this.series.length === 0) { |
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this.renderNoDataPointsMessage(); |
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return; |
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} |
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this.updateCrosshair(); |
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this._delaunayDiagram = new DelaunayDiagram(this.series, this.state.xScale, this.getYScale.bind(this)); |
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this._delaunayDiagram = new DelaunayDiagram(this.series, this.xScale, this.getYScale.bind(this)); |
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this.renderLines(); |
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this.renderPoints(); |
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@ -46,20 +47,21 @@ export class ChartwerkScatterPod extends ChartwerkPod<ScatterData, ScatterOption
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} |
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appendCrosshairPoints(): void { |
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this.series.visibleSeries.forEach((serie: ScatterData) => { |
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this.appendCrosshairPoint(serie.idx, serie.pointType, serie.pointSize); |
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this.series.forEach((serie: ScatterData, serieIdx: number) => { |
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this.appendCrosshairPoint(serieIdx); |
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}); |
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} |
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protected appendCrosshairPoint(serieIdx: number, pointType: PointType, size: number): void { |
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protected appendCrosshairPoint(serieIdx: number): void { |
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// TODO: add Crosshair type options
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const pointType = this.series[serieIdx].pointType || DEFAULT_POINT_TYPE; |
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switch(pointType) { |
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case PointType.NONE: |
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return; |
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case PointType.CIRCLE: |
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this.crosshair.append('circle') |
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.attr('class', `crosshair-point crosshair-point-${serieIdx} crosshair-background`) |
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.attr('r', this.getCrosshairCircleBackgroundSize(size, pointType)) |
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.attr('r', this.getCrosshairCircleBackgroundSize(serieIdx)) |
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.attr('clip-path', `url(#${this.rectClipId})`) |
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.style('opacity', CROSSHAIR_BACKGROUND_OPACITY) |
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.style('pointer-events', 'none') |
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@ -68,8 +70,8 @@ export class ChartwerkScatterPod extends ChartwerkPod<ScatterData, ScatterOption
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case PointType.RECTANGLE: |
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this.crosshair.append('rect') |
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.attr('class', `crosshair-point crosshair-point-${serieIdx} crosshair-background`) |
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.attr('width', this.getCrosshairCircleBackgroundSize(size, pointType)) |
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.attr('height', this.getCrosshairCircleBackgroundSize(size, pointType)) |
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.attr('width', this.getCrosshairCircleBackgroundSize(serieIdx)) |
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.attr('height', this.getCrosshairCircleBackgroundSize(serieIdx)) |
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.attr('clip-path', `url(#${this.rectClipId})`) |
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.style('opacity', CROSSHAIR_BACKGROUND_OPACITY) |
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.style('pointer-events', 'none') |
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@ -81,137 +83,134 @@ export class ChartwerkScatterPod extends ChartwerkPod<ScatterData, ScatterOption
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} |
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protected renderLines(): void { |
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this.series.visibleSeries.forEach(serie => { |
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this.renderLine(serie); |
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this.series.forEach((serie, serieIdx) => { |
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if(serie.visible === false) { |
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return; |
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} |
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const lineType = serie.lineType || DEFAULT_LINE_TYPE; |
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this.renderLine(serie.datapoints, lineType, this.getSerieColor(serieIdx), serie.yOrientation); |
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}); |
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} |
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renderLine(serie: ScatterData): void { |
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if(serie.lineType === LineType.NONE) { |
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renderLine(datapoints: number[][], lineType: LineType, color: string, orientation: yAxisOrientation): void { |
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if(lineType === LineType.NONE) { |
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return; |
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} |
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let strokeDasharray; |
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// TODO: move to option
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if(serie.lineType === LineType.DASHED) { |
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if(lineType === LineType.DASHED) { |
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strokeDasharray = DEFAULT_LINE_DASHED_AMOUNT; |
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} |
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const lineGenerator = d3.line() |
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.x((d: [number, number]) => this.state.xScale(d[0])) |
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.y((d: [number, number]) => this.getYScale(serie.yOrientation)(d[1])); |
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.x((d: [number, number]) => this.xScale(d[0])) |
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.y((d: [number, number]) => this.getYScale(orientation)(d[1])); |
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this.metricContainer |
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.append('path') |
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.datum(serie.datapoints) |
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.datum(datapoints) |
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.attr('class', 'metric-path') |
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.attr('d', lineGenerator) |
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.attr('fill', 'none') |
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.attr('stroke', serie.color) |
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.style('pointer-events', 'none') |
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.attr('stroke', color) |
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.attr('stroke-width', 1) |
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.attr('stroke-opacity', 0.7) |
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.attr('stroke-dasharray', strokeDasharray) |
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.style('pointer-events', serie.clickCallback ? 'auto' : 'none') |
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.style('cursor', serie.clickCallback ? 'pointer' : 'crosshair') |
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.on('click', () => { serie.clickCallback({ target: serie.target, class: serie.class, alias: serie.alias }) }); |
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.attr('d', lineGenerator); |
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} |
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protected renderPoints(): void { |
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if(!this._delaunayDiagram.data) { |
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return; |
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} |
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this.metricContainer.selectAll(null) |
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.data(this._delaunayDiagram.data) |
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.enter() |
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.append('circle') |
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.filter((d: DelaunayDataRow) => this.series.getSerieByTarget(d[4])?.pointType !== PointType.RECTANGLE) |
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.filter((d: number[]) => this.series[_.last(d)].pointType !== PointType.RECTANGLE) |
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.attr('class', (d, i: number) => `metric-element metric-circle point-${i}`) |
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.attr('r', (d: DelaunayDataRow) => this.series.getSerieByTarget(d[4])?.pointSize) |
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.attr('cx', (d: DelaunayDataRow) => this.state.xScale(d[0])) |
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.attr('cy', (d: DelaunayDataRow) => this.getYScale(this.series.getSerieByTarget(d[4])?.yOrientation)(d[1])) |
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.style('fill', (d: DelaunayDataRow, i: number) => this.getSeriesColorFromDataRow(d, i)) |
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.style('pointer-events', (d: DelaunayDataRow) => this.series.getSerieByTarget(d[4])?.clickCallback ? 'auto' : 'none') |
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.style('cursor', (d: DelaunayDataRow) => this.series.getSerieByTarget(d[4])?.clickCallback ? 'pointer' : 'crosshair') |
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.on('click', (d: DelaunayDataRow) => { |
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d3.event.stopPropagation(); |
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const serie = this.series.getSerieByTarget(d[4]); |
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const serieData = { target: serie?.target, class: serie?.class, alias: serie?.alias }; |
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serie?.clickCallback(serieData, d); |
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}); |
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.attr('r', (d: number[]) => this.series[_.last(d)].pointSize || DEFAULT_POINT_SIZE) |
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.style('fill', (d: number[], i: number) => this.getSeriesColorFromDataRow(d, i)) |
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.style('pointer-events', 'none') |
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.attr('cx', (d: any[]) => this.xScale(d[0])) |
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.attr('cy', (d: any[]) => this.getYScale(this.series[_.last(d)].yOrientation)(d[1])); |
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this.metricContainer.selectAll(null) |
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.data(this._delaunayDiagram.data) |
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.enter() |
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.append('rect') |
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.filter((d: DelaunayDataRow) => this.series.getSerieByTarget(d[4])?.pointType === PointType.RECTANGLE) |
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.filter((d: number[]) => this.series[_.last(d)].pointType === PointType.RECTANGLE) |
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.attr('class', (d, i: number) => `metric-element metric-circle point-${i}`) |
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.attr('r', (d: DelaunayDataRow) => this.series.getSerieByTarget(d[4])?.pointSize) |
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.attr('x', (d: DelaunayDataRow) => this.state.xScale(d[0]) - this.series.getSerieByTarget(d[4])?.pointSize / 2) |
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.attr('y', (d: DelaunayDataRow) => this.getYScale(this.series.getSerieByTarget(d[4])?.yOrientation)(d[1]) - this.series.getSerieByTarget(d[4])?.pointSize / 2) |
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.attr('width', (d: DelaunayDataRow) => this.series.getSerieByTarget(d[4])?.pointSize) |
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.attr('height', (d: DelaunayDataRow) => this.series.getSerieByTarget(d[4])?.pointSize) |
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.style('fill', (d: DelaunayDataRow) => this.series.getSerieByTarget(d[4])?.color) |
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.style('pointer-events', (d: DelaunayDataRow) => this.series.getSerieByTarget(d[4])?.clickCallback ? 'auto' : 'none') |
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.style('cursor', (d: DelaunayDataRow) => this.series.getSerieByTarget(d[4])?.clickCallback ? 'pointer' : 'crosshair') |
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.on('click', (d: DelaunayDataRow) => { |
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d3.event.stopPropagation(); |
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const serie = this.series.getSerieByTarget(d[4]); |
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const serieData = { target: serie?.target, class: serie?.class, alias: serie?.alias }; |
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serie?.clickCallback(serieData, d); |
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}); |
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.attr('r', (d: number[]) => this.series[_.last(d)].pointSize || DEFAULT_POINT_SIZE) |
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.style('fill', (d: number[]) => this.getSerieColor(_.last(d))) |
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.style('pointer-events', 'none') |
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.attr('x', (d: number[]) => this.xScale(d[0]) - (this.series[_.last(d)].pointSize || DEFAULT_POINT_SIZE) / 2) |
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.attr('y', (d: number[]) => this.getYScale(this.series[_.last(d)].yOrientation)(d[1]) - (this.series[_.last(d)].pointSize || DEFAULT_POINT_SIZE) / 2) |
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.attr('width', (d: number[]) => this.series[_.last(d)].pointSize || DEFAULT_POINT_SIZE) |
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.attr('height', (d: number[]) => this.series[_.last(d)].pointSize || DEFAULT_POINT_SIZE); |
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} |
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getSeriesColorFromDataRow(values: DelaunayDataRow, rowIdx: number): string { |
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const serie = this.series.getSerieByTarget(values[4]); |
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if(serie?.colorFormatter) { |
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return serie.colorFormatter(values, rowIdx); |
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getSeriesColorFromDataRow(datapoint: Datapoint): string { |
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const serieIdx = datapoint.serieIdx; |
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if(this.series[serieIdx].colorFormatter) { |
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return this.series[serieIdx].colorFormatter(datapoint); |
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} |
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return serie.color; |
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return this.getSerieColor(serieIdx); |
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} |
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onPanningEnd(): void { |
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this.isPanning = false; |
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this.onMouseOut(); |
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this._delaunayDiagram.setDelaunayDiagram(this.state.xScale, this.getYScale.bind(this)); |
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this.options.callbackPanningEnd([this.state.xValueRange, this.state.yValueRange, this.state.y1ValueRange]); |
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this._delaunayDiagram.setDelaunayDiagram(this.xScale, this.getYScale.bind(this)); |
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if(this.options.eventsCallbacks !== undefined && this.options.eventsCallbacks.panningEnd !== undefined) { |
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this.options.eventsCallbacks.panningEnd([this.state.xValueRange, this.state.yValueRange, this.state.y1ValueRange]); |
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} else { |
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console.log('on panning end, but there is no callback'); |
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} |
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} |
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unhighlight(): void { |
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this.crosshair.selectAll('.crosshair-point').style('display', 'none'); |
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} |
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highlight(pointIdx: number): void { |
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highlight(datapoint: Datapoint): void { |
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this.unhighlight(); |
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const row = this._delaunayDiagram.getDataRowByIndex(pointIdx); |
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if(row === undefined || row === null) { |
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return; |
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} |
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const serie = this.series.getSerieByTarget(row[4]); |
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const size = this.getCrosshairCircleBackgroundSize(serie.pointSize, serie.pointType); |
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this.crosshair.selectAll(`.crosshair-point-${serie.idx}`) |
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.attr('cx', this.state.xScale(row[0])) |
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.attr('cy', this.getYScale(serie.yOrientation)(row[1])) |
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.attr('x', this.state.xScale(row[0]) - size / 2) |
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.attr('y', this.getYScale(serie.yOrientation)(row[1]) - size / 2) |
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.attr('fill', this.getSeriesColorFromDataRow(row, pointIdx)) |
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const serieIdx = datapoint.serieIdx; |
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const serieOrientation = this.series[serieIdx].yOrientation; |
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const size = this.getCrosshairCircleBackgroundSize(serieIdx); |
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this.crosshair.selectAll(`.crosshair-point-${serieIdx}`) |
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.attr('cx', this.xScale(datapoint.x)) |
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.attr('cy', this.getYScale(serieOrientation)(datapoint.y)) |
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.attr('x', this.xScale(datapoint.x - size / 2)) |
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.attr('y', this.getYScale(serieOrientation)(datapoint.y) - size / 2) |
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.attr('fill', this.getSeriesColorFromDataRow(datapoint)) |
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.style('display', null); |
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} |
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protected getCrosshairCircleBackgroundSize(pointSize: number, pointType: PointType): number { |
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protected getCrosshairCircleBackgroundSize(serieIdx: number): number { |
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const seriePointSize = this.series[serieIdx].pointSize || DEFAULT_POINT_SIZE; |
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const pointType = this.series[serieIdx].pointType || DEFAULT_POINT_TYPE; |
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let highlightDiameter = POINT_HIGHLIGHT_DIAMETER; |
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if(pointType === PointType.RECTANGLE) { |
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highlightDiameter = highlightDiameter * 2; |
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} |
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return pointSize + highlightDiameter; |
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return seriePointSize + highlightDiameter; |
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} |
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public renderSharedCrosshair(values: { x?: number, y?: number }): void { |
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this.onMouseOver(); // TODO: refactor to use it once
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const eventX = this.state.xScale(values.x); |
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const eventY = this.state.yScale(values.y); |
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const eventX = this.xScale(values.x); |
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const eventY = this.yScale(values.y); |
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this.moveCrosshairLine(eventX, eventY); |
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const datapoints = this.findAndHighlightDatapoints(values.x, values.y); |
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const datapoints = this.findDatapoint(values.x, values.y); |
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this.options.callbackSharedCrosshairMove({ |
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if(this.options.eventsCallbacks === undefined || this.options.eventsCallbacks.sharedCrosshairMove === undefined) { |
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console.log('Shared crosshair move, but there is no callback'); |
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return; |
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} |
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this.options.eventsCallbacks.sharedCrosshairMove({ |
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datapoints, |
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eventX, eventY |
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}); |
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@ -242,44 +241,48 @@ export class ChartwerkScatterPod extends ChartwerkPod<ScatterData, ScatterOption
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} |
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} |
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findAndHighlightDatapoints(eventX: number, eventY: number): { |
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xValue: number, yValue: number, customValue: number, |
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pointIdx: number, totalPointIdx: number, |
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serieInfo: { target: string, alias?: string, class?: string, idx?: number } |
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} | null { |
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if(!this.series.isSeriesAvailable) { |
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return null; |
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highlightDatapoint(datapoint?: Datapoint): void { |
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if(_.isNil(datapoint)) { |
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return; |
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} |
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this.highlight(datapoint);
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} |
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findDatapoint(eventX: number, eventY: number): Datapoint | null { |
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if(this.series === undefined || this.series.length === 0) { |
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return null; |
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} |
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const pointIndex = this._delaunayDiagram.findPointIndex(eventX, eventY); |
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if(pointIndex === undefined) { |
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this.unhighlight(); |
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const datapoint = this._delaunayDiagram.getDataRowByIndex(pointIndex); |
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if(_.isNil(datapoint)) { |
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// TODO: maybe throw an error?
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return null; |
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} |
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this.highlight(pointIndex); |
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const row = this._delaunayDiagram.data[pointIndex]; |
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const serie = this.series.getSerieByTarget(row[4]); |
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const serieIdx = _.last(datapoint); |
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let seriePointIdx = pointIndex |
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for(let i = 0; i < serieIdx; i++) { |
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seriePointIdx -= this.series[serieIdx].datapoints.length; |
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} |
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return { |
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xValue: row[0], |
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yValue: row[1], |
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customValue: row[2], |
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pointIdx: row[3], |
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serieInfo: { |
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target: serie.target, |
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alias: serie.alias, |
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class: serie.class, |
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idx: serie.idx, |
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}, |
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totalPointIdx: pointIndex, |
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x: datapoint[0], |
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y: datapoint[1], |
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rawValues: datapoint, |
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serieIdx, |
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pointIdx: seriePointIdx, |
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}; |
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} |
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protected getYScale(orientation: yAxisOrientation): d3.ScaleLinear<number, number> { |
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if(orientation === undefined || orientation === yAxisOrientation.BOTH) { |
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return this.yScale; |
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} |
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switch(orientation) { |
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case yAxisOrientation.LEFT: |
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return this.state.yScale; |
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return this.yScale; |
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case yAxisOrientation.RIGHT: |
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return this.state.y1Scale; |
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return this.y1Scale; |
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default: |
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throw new Error(`Unknown type of y axis orientation: ${orientation}`)
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} |
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@ -289,12 +292,14 @@ export class ChartwerkScatterPod extends ChartwerkPod<ScatterData, ScatterOption
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this.crosshair.style('display', 'none'); |
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} |
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onMouseMove(): void { |
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// @ts-ignore
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onMouseMove(d: any): void { |
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const mousePosition = d3.mouse(this.chartContainer.node()); |
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const eventX = mousePosition[0]; |
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const eventY = mousePosition[1]; |
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if(this.isPanning === true || this.isBrushing === true) { |
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// TODO: seems isOutOfChart is deprecated (check clippath correctness)
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if(this.isOutOfChart() === true || this.isPanning === true || this.isBrushing === true) { |
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this.crosshair.style('display', 'none'); |
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return; |
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} else { |
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@ -304,26 +309,26 @@ export class ChartwerkScatterPod extends ChartwerkPod<ScatterData, ScatterOption
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this.moveCrosshairLine(eventX, eventY); |
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// TOOD: it should be two different methods
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const highlighted = this.findAndHighlightDatapoints(eventX, eventY); |
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this.options.callbackMouseMove({ |
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bbox: { |
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clientX: d3.event.clientX, |
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clientY: d3.event.clientY, |
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x: eventX, |
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y: eventY, |
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chartWidth: this.width, |
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chartHeight: this.height, |
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}, |
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data: { |
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xval: this.state.xScale.invert(eventX), |
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yval: this.state.xScale.invert(eventY), |
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highlighted, |
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} |
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|
const datapoint = this.findDatapoint(eventX, eventY); |
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|
this.highlightDatapoint(datapoint); |
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|
|
if(this.options.eventsCallbacks === undefined || this.options.eventsCallbacks.mouseMove === undefined) { |
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|
|
console.log('Mouse move, but there is no callback'); |
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|
|
return; |
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|
|
} |
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|
|
// TODO: group fields
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|
|
this.options.eventsCallbacks.mouseMove({ |
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|
|
x: d3.event.clientX, |
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y: d3.event.clientY, |
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|
|
xval: this.xScale.invert(eventX), |
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|
yval: this.xScale.invert(eventY), |
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|
|
highlighted: datapoint, |
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|
|
chartX: eventX, |
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|
|
chartWidth: this.width |
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|
|
}); |
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|
|
} |
|
|
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|
|
onMouseOver(): void { |
|
|
|
|
if(this.isPanning === true || this.isBrushing === true) { |
|
|
|
|
if(this.isOutOfChart() === true || this.isPanning === true || this.isBrushing === true) { |
|
|
|
|
this.crosshair.style('display', 'none'); |
|
|
|
|
return; |
|
|
|
|
} |
|
|
|
|
@ -331,7 +336,9 @@ export class ChartwerkScatterPod extends ChartwerkPod<ScatterData, ScatterOption
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
onMouseOut(): void { |
|
|
|
|
this.options.callbackMouseOut(); |
|
|
|
|
if(this.options.eventsCallbacks !== undefined && this.options.eventsCallbacks.mouseOut !== undefined) { |
|
|
|
|
this.options.eventsCallbacks.mouseOut(); |
|
|
|
|
} |
|
|
|
|
this.crosshair.style('display', 'none'); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
@ -361,4 +368,4 @@ export const VueChartwerkScatterPodObject = {
|
|
|
|
|
} |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
export { ScatterData, ScatterOptions, TimeFormat, PointType, LineType, HighlightedData, MouseMoveEvent }; |
|
|
|
|
export { ScatterData, ScatterOptions, TickOrientation, TimeFormat, PointType, LineType }; |
|
|
|
|
|
rozetko