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@ -1,65 +1,74 @@
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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, PanOrientation } from '@chartwerk/core'; |
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import { ScatterData, ScatterOptions, PointType, LineType, ColorFormatter } 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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_metricsContainer: 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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super(d3, el, _series, _options); |
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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.updateCrosshair();
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this.renderMetricContainer(); |
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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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} |
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clearAllMetrics(): void { |
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// TODO: temporary hack before it will be implemented in core.
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this.chartContainer.selectAll('.metric-el').remove(); |
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renderMetricContainer(): void { |
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// container for clip path
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const clipContatiner = this.chartContainer |
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.append('g') |
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.attr('clip-path', `url(#${this.rectClipId})`) |
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.attr('class', 'metrics-container'); |
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// container for panning
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this._metricsContainer = clipContatiner |
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.append('g') |
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.attr('class', ' metrics-rect'); |
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} |
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protected updateCrosshair(): void { |
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this.crosshair.selectAll('circle').remove(); |
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// TODO: Crosshair class, which can be used as Pod
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this.appendCrosshairPoints(); |
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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(#${this.rectClipId})`) |
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.style('opacity', CROSSHAIR_BACKGROUND_OPACITY) |
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.style('pointer-events', 'none') |
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@ -68,8 +77,8 @@ export class ChartwerkScatterPod extends ChartwerkPod<ScatterData, ScatterOption
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case PointType.RECTANGLE: |
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this.crosshair.append('rect') |
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.attr('class', `crosshair-point crosshair-point-${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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@ -81,97 +90,82 @@ 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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const lineGenerator = this.d3.line() |
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.x((d: [number, number]) => this.xScale(d[1])) |
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.y((d: [number, number]) => this.getYScale(orientation)(d[0])); |
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this.metricContainer |
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this._metricsContainer |
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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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this._metricsContainer.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[]) => this.getSerieColor(_.last(d))) |
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.style('pointer-events', 'none') |
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.attr('cx', (d: any[]) => this.xScale(d[1])) |
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.attr('cy', (d: any[]) => this.getYScale(this.series[_.last(d)].yOrientation)(d[0])); |
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this.metricContainer.selectAll(null) |
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this._metricsContainer.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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} |
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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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} |
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return serie.color; |
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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[1]) - (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[0]) - (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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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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@ -181,37 +175,47 @@ export class ChartwerkScatterPod extends ChartwerkPod<ScatterData, ScatterOption
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highlight(pointIdx: number): 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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const datapoint = this._delaunayDiagram.getDataRowByIndex(pointIdx); |
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if(datapoint === undefined || datapoint === 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 = _.last(datapoint); |
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const serieOrientation = this.series[serieIdx].yOrientation; |
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const size = this.getCrosshairCircleBackgroundSize(serieIdx); |
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const colorFormatter = this.series[serieIdx].colorFormatter; |
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this.crosshair.selectAll(`.crosshair-point-${serieIdx}`) |
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.attr('cx', this.xScale(datapoint[1])) |
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.attr('cy', this.getYScale(serieOrientation)(datapoint[0])) |
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.attr('x', this.xScale(datapoint[1]) - size / 2) |
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.attr('y', this.getYScale(serieOrientation)(datapoint[0]) - size / 2) |
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.attr('fill', colorFormatter !== undefined ? colorFormatter(datapoint) : this.series[serieIdx].color) |
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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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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 +246,33 @@ 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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findAndHighlightDatapoints(eventX: number, eventY: number): { values: any[], pointIdx: number } | 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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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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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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values: this._delaunayDiagram.data[pointIndex], |
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pointIdx: pointIndex, |
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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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|
@ -290,11 +283,12 @@ export class ChartwerkScatterPod extends ChartwerkPod<ScatterData, ScatterOption
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} |
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|
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onMouseMove(): void { |
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|
const mousePosition = d3.mouse(this.chartContainer.node()); |
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|
|
const mousePosition = this.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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|
|
@ -305,25 +299,24 @@ export class ChartwerkScatterPod extends ChartwerkPod<ScatterData, ScatterOption
|
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|
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|
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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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|
|
}, |
|
|
|
|
data: { |
|
|
|
|
xval: this.state.xScale.invert(eventX), |
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|
|
yval: this.state.xScale.invert(eventY), |
|
|
|
|
highlighted, |
|
|
|
|
} |
|
|
|
|
if(this.options.eventsCallbacks === undefined || this.options.eventsCallbacks.mouseMove === undefined) { |
|
|
|
|
console.log('Mouse move, but there is no callback'); |
|
|
|
|
return; |
|
|
|
|
} |
|
|
|
|
// TODO: group fields
|
|
|
|
|
this.options.eventsCallbacks.mouseMove({ |
|
|
|
|
x: this.d3.event.clientX, |
|
|
|
|
y: this.d3.event.clientY, |
|
|
|
|
xval: this.xScale.invert(eventX), |
|
|
|
|
yval: this.xScale.invert(eventY), |
|
|
|
|
highlighted, |
|
|
|
|
chartX: eventX, |
|
|
|
|
chartWidth: this.width |
|
|
|
|
}); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
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 +324,9 @@ 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 +356,4 @@ export const VueChartwerkScatterPodObject = {
|
|
|
|
|
} |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
export { ScatterData, ScatterOptions, TimeFormat, PointType, LineType, HighlightedData, MouseMoveEvent }; |
|
|
|
|
export { ScatterData, ScatterOptions, TickOrientation, TimeFormat, PointType, LineType }; |
|
|
|
|
|
