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/** * Copyright (c) 2017 ~ present NAVER Corp. * billboard.js project is licensed under the MIT license */// @ts-nocheckimport CLASS from "./classes";import {getCentroid, isString, parseDate} from "./util";
/** * Stanford diagram plugin element class * @class ColorScale * @param {Stanford} owner Stanford instance * @private */export default class Elements {	private owner;
	constructor(owner) {		this.owner = owner;
		// MEMO: Avoid blocking eventRect		const elements = owner.$$.$el.main.select(".bb-chart")			.append("g")			.attr("class", CLASS.stanfordElements);
		elements.append("g").attr("class", CLASS.stanfordLines);		elements.append("g").attr("class", CLASS.stanfordRegions);	}
	updateStanfordLines(duration: number): void {		const {$$} = this.owner;		const {config, $el: {main}} = $$;		const isRotated = config.axis_rotated;		const xvCustom = this.xvCustom.bind($$);		const yvCustom = this.yvCustom.bind($$);
		// Stanford-Lines		const stanfordLine = main.select(`.${CLASS.stanfordLines}`)			.style("shape-rendering", "geometricprecision")			.selectAll(`.${CLASS.stanfordLine}`)			.data(this.owner.config.lines);
		// exit		stanfordLine.exit().transition()			.duration(duration)			.style("opacity", "0")			.remove();
		// enter		const stanfordLineEnter = stanfordLine.enter().append("g");
		stanfordLineEnter.append("line")			.style("opacity", "0");
		stanfordLineEnter			.merge(stanfordLine)			.attr("class", d => CLASS.stanfordLine + (d.class ? ` ${d.class}` : ""))			.select("line")			.transition()			.duration(duration)			.attr("x1", d => (isRotated ? yvCustom(d, "y1") : xvCustom(d, "x1")))			.attr("x2", d => (isRotated ? yvCustom(d, "y2") : xvCustom(d, "x2")))			.attr("y1", d => (isRotated ? xvCustom(d, "x1") : yvCustom(d, "y1")))			.attr("y2", d => (isRotated ? xvCustom(d, "x2") : yvCustom(d, "y2")))			.transition()			.style("opacity", null);	}
	updateStanfordRegions(duration: number): void {		const {$$} = this.owner;		const {config, $el: {main}} = $$;		const isRotated = config.axis_rotated;		const xvCustom = this.xvCustom.bind($$);		const yvCustom = this.yvCustom.bind($$);		const countPointsInRegion = this.owner.countEpochsInRegion.bind($$);
		// Stanford-Regions		let stanfordRegion = main.select(`.${CLASS.stanfordRegions}`)			.selectAll(`.${CLASS.stanfordRegion}`)			.data(this.owner.config.regions);
		// exit		stanfordRegion.exit().transition()			.duration(duration)			.style("opacity", "0")			.remove();
		// enter		const stanfordRegionEnter = stanfordRegion.enter().append("g");
		stanfordRegionEnter.append("polygon")			.style("opacity", "0");
		stanfordRegionEnter.append("text")			.attr("transform", isRotated ? "rotate(-90)" : "")			.style("opacity", "0");
		stanfordRegion = stanfordRegionEnter.merge(stanfordRegion);
		// update		stanfordRegion			.attr("class", d => CLASS.stanfordRegion + (d.class ? ` ${d.class}` : ""))			.select("polygon")			.transition()			.duration(duration)			.attr("points", d => d.points.map(value => [				isRotated ? yvCustom(value, "y") : xvCustom(value, "x"),				isRotated ? xvCustom(value, "x") : yvCustom(value, "y")			].join(",")).join(" "))			.transition()			.style("opacity", d => String(d.opacity ? d.opacity : 0.2));
		stanfordRegion.select("text")			.transition()			.duration(duration)			.attr("x", d => (isRotated ? yvCustom(getCentroid(d.points), "y") : xvCustom(getCentroid(d.points), "x")))			.attr("y", d => (isRotated ? xvCustom(getCentroid(d.points), "x") : yvCustom(getCentroid(d.points), "y")))			.text(d => {				if (d.text) {					const {value, percentage} = countPointsInRegion(d.points);
					return d.text(value, percentage);				}
				return "";			})			.attr("text-anchor", "middle")			.attr("dominant-baseline", "middle")			.transition()			.style("opacity", null);	}
	updateStanfordElements(duration = 0): void {		this.updateStanfordLines(duration);		this.updateStanfordRegions(duration);	}
	xvCustom(d, xyValue): number {		const $$ = this;		const {axis, config} = $$;		let value = xyValue ? d[xyValue] : $$.getBaseValue(d);
		if (axis.isTimeSeries()) {			value = parseDate.call($$, value);		} else if (axis.isCategorized() && isString(value)) {			value = config.axis_x_categories.indexOf(d.value);		}
		return Math.ceil($$.scale.x(value));	}
	yvCustom(d, xyValue): number {		const $$ = this;		const yScale = d.axis && d.axis === "y2" ? $$.scale.y2 : $$.scale.y;		const value = xyValue ? d[xyValue] : $$.getBaseValue(d);
		return Math.ceil(yScale(value));	}}