Hastic standalone
https://hastic.io
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181 lines
4.8 KiB
181 lines
4.8 KiB
import { AxisRange } from "@chartwerk/core/dist/types"; |
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import { LinePod, LineTimeSerie } from "@chartwerk/line-pod"; |
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import { SegmentsSet } from "@/types/segment_set"; |
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import { ANALYTIC_UNIT_COLORS } from "@/types/colors" |
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import { Segment, SegmentId } from "@/types/segment"; |
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export type TimeRange = { from: number, to: number }; |
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export type UpdateDataCallback = (range: TimeRange) => Promise<{ |
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timeserie: LineTimeSerie[], |
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segments: Segment[] |
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}>; |
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export type UpdateSegmentCallback = (segment: Segment) => Promise<SegmentId>; |
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export class HasticPod extends LinePod { |
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private _udc: UpdateDataCallback; |
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private _usc: UpdateSegmentCallback; |
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private _ctrlKeyIsDown: boolean; |
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private _ctrlBrush: boolean; |
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constructor( |
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el: HTMLElement, udc: UpdateDataCallback, usc: UpdateSegmentCallback, |
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private _segmentSet: SegmentsSet<Segment> |
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) { |
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super(el, undefined, { |
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renderLegend: false, |
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eventsCallbacks: { |
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zoomIn: range => { this._updateRange(range) }, |
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zoomOut: ({x, y}) => { this._zoomOut({x, y}) }, |
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panningEnd: range => { this._updateRange(range) } |
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} |
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}); |
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this._usc = usc; |
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this._ctrlKeyIsDown = false; |
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this._ctrlBrush = false; |
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window.addEventListener("keydown", e => { |
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if(e.code == "ControlLeft") { |
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this._ctrlKeyIsDown = true; |
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} |
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}); |
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window.addEventListener("keyup", (e) => { |
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if(e.code == "ControlLeft") { |
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this._ctrlKeyIsDown = false; |
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} |
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}); |
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this._udc = udc; |
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// TODO: move to params |
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const to = Math.floor(Date.now() / 1000); |
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const from = to - 5000; // -5000 seconds |
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this._udc({ from, to }) |
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.then(resp => { |
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this.updateData(resp.timeserie); |
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this.updateSegments(resp.segments); |
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}) |
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.catch(() => { /* set "error" message */ }) |
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} |
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renderMetrics() { |
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super.renderMetrics(); |
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console.log('render my metrics'); |
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} |
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protected addEvents(): void { |
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this.initBrush(); |
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this.initPan(); |
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this.chartContainer |
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.on('mouseover', this.onMouseOver.bind(this)) |
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.on('mouseout', this.onMouseOut.bind(this)) |
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.on('mousemove', this.onMouseMove.bind(this)) |
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.on('dblclick.zoom', this.zoomOut.bind(this)); |
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} |
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protected onBrushStart(): void { |
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if(this._ctrlKeyIsDown) { |
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this._ctrlBrush = true; |
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this.svg.select('.selection').attr('fill', 'red') |
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} |
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// this.in |
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// TODO: move to state |
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this.isBrushing === true; |
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const selection = this.d3.event.selection; |
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if(selection !== null && selection.length > 0) { |
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this.brushStartSelection = this.d3.event.selection[0]; |
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} |
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this.onMouseOut(); |
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} |
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protected onBrushEnd(): void { |
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if(!this._ctrlBrush) { |
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super.onBrushEnd(); |
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} else { |
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const extent = this.d3.event.selection; |
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this.isBrushing === false; |
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this._ctrlBrush = false; |
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if(extent === undefined || extent === null || extent.length < 2) { |
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return; |
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} |
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this.chartContainer |
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.call(this.brush.move, null); |
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const startTimestamp = this.xScale.invert(extent[0]); |
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const endTimestamp = this.xScale.invert(extent[1]); |
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this.addSegment(startTimestamp, endTimestamp); |
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} |
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} |
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protected async addSegment(from: number, to: number) { |
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// TODO: implement |
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// TODO: persistance of the label |
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const id = this.getNewTempSegmentId(); |
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from = Math.floor(from); |
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to = Math.ceil(to); |
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const segment = new Segment(id, from, to); |
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const storedId = await this._usc(segment); |
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segment.id = storedId; |
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this._segmentSet.addSegment(segment); |
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this.renderSegment(segment); |
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} |
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protected renderSegments() { |
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const segments = this._segmentSet.getSegments(); |
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for (const s in segments) { |
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this.renderSegment(segments[s]); |
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} |
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} |
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protected renderSegment(segment: Segment) { |
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const x = this.xScale(segment.from); |
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const y = 0; |
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const w = this.xScale(segment.to) - x; |
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const h = this.height |
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const r = this.chartContainer |
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.append('rect') |
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.attr('x', x) |
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.attr('y', y) |
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.attr('width', w) |
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.attr('height', h) |
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.attr('fill', ANALYTIC_UNIT_COLORS[0]) |
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.attr('opacity', '0.8') |
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} |
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private async _updateRange(range: AxisRange[]) { |
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console.log('update range'); |
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console.log(range); |
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const resp = await this._udc({ from: range[0][0], to: range[0][1] }); |
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const options = { axis: { x: { range: range[0] } } }; |
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this.updateData(resp.timeserie, options); |
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this.updateSegments(resp.segments); |
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} |
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private _zoomOut({x, y}) { |
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console.log(`${x} -- ${y}`); |
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} |
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protected updateSegments(segments: Segment[]) { |
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this._segmentSet.clear(); |
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this._segmentSet.setSegments(segments); |
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this.renderSegments(); |
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} |
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// TODO: move to "controller" |
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private _tempIdCounted = -1; |
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public getNewTempSegmentId(): SegmentId { |
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this._tempIdCounted--; |
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return this._tempIdCounted.toString(); |
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} |
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} |