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import React = require("react");
import { computed, observable, reaction, runInAction, trace, action } from "mobx";
import { observer } from "mobx-react";
import { Utils as DashUtils, emptyFunction } from '../../../Utils';
import { FilterModel } from "../../northstar/core/filter/FilterModel";
import { ModelHelpers } from "../../northstar/model/ModelHelpers";
import { ArrayUtil } from "../../northstar/utils/ArrayUtil";
import { LABColor } from '../../northstar/utils/LABcolor';
import { PIXIRectangle } from "../../northstar/utils/MathUtil";
import { StyleConstants } from "../../northstar/utils/StyleContants";
import { HistogramBinPrimitiveCollection, HistogramBinPrimitive } from "./HistogramBinPrimitiveCollection";
import { HistogramBox } from "./HistogramBox";
import "./HistogramBoxPrimitives.scss";
export interface HistogramPrimitivesProps {
HistoBox: HistogramBox;
}
@observer
export class HistogramBoxPrimitives extends React.Component<HistogramPrimitivesProps> {
private get histoOp() { return this.props.HistoBox.HistoOp; }
private get renderDimension() { return this.props.HistoBox.SizeConverter.RenderDimension; }
@observable _selectedPrims: HistogramBinPrimitive[] = [];
@computed get xaxislines() { return this.renderGridLinesAndLabels(0); }
@computed get yaxislines() { return this.renderGridLinesAndLabels(1); }
@computed get selectedPrimitives() { return this._selectedPrims.map(bp => this.drawRect(bp.Rect, bp.BarAxis, undefined, "border")); }
@computed get barPrimitives() {
let histoResult = this.props.HistoBox.HistogramResult;
if (!histoResult || !histoResult.bins || !this.props.HistoBox.VisualBinRanges.length) {
return (null);
}
let allBrushIndex = ModelHelpers.AllBrushIndex(histoResult);
return Object.keys(histoResult.bins).reduce((prims: JSX.Element[], key: string) => {
let drawPrims = new HistogramBinPrimitiveCollection(histoResult.bins![key], this.props.HistoBox);
let toggle = this.getSelectionToggle(drawPrims.BinPrimitives, allBrushIndex,
ModelHelpers.GetBinFilterModel(histoResult.bins![key], allBrushIndex, histoResult, this.histoOp.X, this.histoOp.Y));
drawPrims.BinPrimitives.filter(bp => bp.DataValue && bp.BrushIndex !== allBrushIndex).map(bp =>
prims.push(...[{ r: bp.Rect, c: bp.Color }, { r: bp.MarginRect, c: StyleConstants.MARGIN_BARS_COLOR }].map(pair => this.drawRect(pair.r, bp.BarAxis, pair.c, "bar", toggle))));
return prims;
}, [] as JSX.Element[]);
}
componentDidMount() {
reaction(() => this.props.HistoBox.HistoOp.FilterString, () => this._selectedPrims.length = this.histoOp.FilterModels.length = 0);
}
private getSelectionToggle(binPrimitives: HistogramBinPrimitive[], allBrushIndex: number, filterModel: FilterModel) {
let rawAllBrushPrim = ArrayUtil.FirstOrDefault(binPrimitives, bp => bp.BrushIndex === allBrushIndex);
if (!rawAllBrushPrim) {
return emptyFunction;
}
let allBrushPrim = rawAllBrushPrim;
return () => runInAction(() => {
if (ArrayUtil.Contains(this.histoOp.FilterModels, filterModel)) {
this._selectedPrims.splice(this._selectedPrims.indexOf(allBrushPrim), 1);
this.histoOp.RemoveFilterModels([filterModel]);
}
else {
this._selectedPrims.push(allBrushPrim);
this.histoOp.AddFilterModels([filterModel]);
}
});
}
private renderGridLinesAndLabels(axis: number) {
if (!this.props.HistoBox.SizeConverter.Initialized) {
return (null);
}
let labels = this.props.HistoBox.VisualBinRanges[axis].GetLabels();
return <svg className="histogramboxprimitives-svgContainer">
{labels.reduce((prims, binLabel, i) => {
let r = this.props.HistoBox.SizeConverter.DataToScreenRange(binLabel.minValue!, binLabel.maxValue!, axis);
prims.push(this.drawLine(r.xFrom, r.yFrom, axis === 0 ? 0 : r.xTo - r.xFrom, axis === 0 ? r.yTo - r.yFrom : 0));
if (i === labels.length - 1) {
prims.push(this.drawLine(axis === 0 ? r.xTo : r.xFrom, axis === 0 ? r.yFrom : r.yTo, axis === 0 ? 0 : r.xTo - r.xFrom, axis === 0 ? r.yTo - r.yFrom : 0));
}
return prims;
}, [] as JSX.Element[])}
</svg>;
}
drawLine(xFrom: number, yFrom: number, width: number, height: number) {
if (height < 0) {
yFrom += height;
height = -height;
}
if (width < 0) {
xFrom += width;
width = -width;
}
let trans2Xpercent = `${(xFrom + width) / this.renderDimension * 100}%`;
let trans2Ypercent = `${(yFrom + height) / this.renderDimension * 100}%`;
let trans1Xpercent = `${xFrom / this.renderDimension * 100}%`;
let trans1Ypercent = `${yFrom / this.renderDimension * 100}%`;
return <line className="histogramboxprimitives-line" key={DashUtils.GenerateGuid()} x1={trans1Xpercent} x2={`${trans2Xpercent}`} y1={trans1Ypercent} y2={`${trans2Ypercent}`} />;
}
drawRect(r: PIXIRectangle, barAxis: number, color: number | undefined, classExt: string, tapHandler: () => void = emptyFunction) {
if (r.height < 0) {
r.y += r.height;
r.height = -r.height;
}
if (r.width < 0) {
r.x += r.width;
r.width = -r.width;
}
let transXpercent = `${r.x / this.renderDimension * 100}%`;
let transYpercent = `${r.y / this.renderDimension * 100}%`;
let widthXpercent = `${r.width / this.renderDimension * 100}%`;
let heightYpercent = `${r.height / this.renderDimension * 100}%`;
return (<rect className={`histogramboxprimitives-${classExt}`} key={DashUtils.GenerateGuid()} onPointerDown={(e: React.PointerEvent) => { if (e.button === 0) tapHandler(); }}
x={transXpercent} width={`${widthXpercent}`} y={transYpercent} height={`${heightYpercent}`} fill={color ? `${LABColor.RGBtoHexString(color)}` : "transparent"} />);
}
render() {
return <div className="histogramboxprimitives-container">
{this.xaxislines}
{this.yaxislines}
<svg className="histogramboxprimitives-svgContainer">
{this.barPrimitives}
{this.selectedPrimitives}
</svg>
</div>;
}
}
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