forked from MapComplete/MapComplete
74 lines
2.5 KiB
TypeScript
74 lines
2.5 KiB
TypeScript
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import {VariableUiElement} from "../Base/VariableUIElement";
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import {UIEventSource} from "../../Logic/UIEventSource";
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import Table from "../Base/Table";
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import Combine from "../Base/Combine";
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import {FixedUiElement} from "../Base/FixedUiElement";
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import {Utils} from "../../Utils";
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import BaseUIElement from "../BaseUIElement";
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import Translations from "../i18n/Translations";
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export default class Histogram<T> extends VariableUiElement {
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private static defaultPalette = [
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"#ff5858",
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"#ffad48",
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"#ffff59",
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"#9d62d9",
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"#56bd56",
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"#63a9ff",
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"#fa61fa"
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]
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constructor(values: UIEventSource<string[]>,
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title: string | BaseUIElement,
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countTitle: string | BaseUIElement,
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assignColor?: (t0: string) => string
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) {
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super(values.map(values => {
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if (values === undefined) {
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return undefined;
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}
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values = Utils.NoNull(values)
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const counts = new Map<string, number>()
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for (const value of values) {
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const c = counts.get(value) ?? 0;
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counts.set(value, c + 1);
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}
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const keys = Array.from(counts.keys());
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keys.sort()
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const max = Math.max(...Array.from(counts.values()))
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const fallbackColor = (keyValue: string) => {
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const index = keys.indexOf(keyValue)
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return Histogram.defaultPalette[index % Histogram.defaultPalette.length]
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};
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let actualAssignColor = undefined;
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if (assignColor === undefined) {
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actualAssignColor = fallbackColor;
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}else{
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actualAssignColor = (keyValue: string) => {
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return assignColor(keyValue) ?? fallbackColor(keyValue)
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}
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}
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return new Table(
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[Translations.W(title), countTitle],
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keys.map(key => [
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key,
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new Combine([
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new Combine([new FixedUiElement("" + counts.get(key)).SetClass("font-bold rounded-full block")])
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.SetClass("flex justify-center rounded border border-black")
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.SetStyle(`background: ${actualAssignColor(key)}; width: ${100 * counts.get(key) / max}%`)
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]).SetClass("block w-full")
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]),
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keys.map(_ => ["width: 20%"])
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).SetClass("w-full");
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}));
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}
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}
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