forked from MapComplete/MapComplete
281 lines
No EOL
10 KiB
TypeScript
281 lines
No EOL
10 KiB
TypeScript
import PointRenderingConfigJson from "./Json/PointRenderingConfigJson";
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import TagRenderingConfig from "./TagRenderingConfig";
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import {TagsFilter} from "../../Logic/Tags/TagsFilter";
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import SharedTagRenderings from "../../Customizations/SharedTagRenderings";
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import {TagUtils} from "../../Logic/Tags/TagUtils";
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import {Utils} from "../../Utils";
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import Svg from "../../Svg";
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import WithContextLoader from "./WithContextLoader";
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import {UIEventSource} from "../../Logic/UIEventSource";
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import BaseUIElement from "../../UI/BaseUIElement";
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import {FixedUiElement} from "../../UI/Base/FixedUiElement";
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import Img from "../../UI/Base/Img";
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import Combine from "../../UI/Base/Combine";
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import {VariableUiElement} from "../../UI/Base/VariableUIElement";
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export default class PointRenderingConfig extends WithContextLoader {
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private static readonly allowed_location_codes = new Set<string>(["point", "centroid", "start", "end"])
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public readonly location: Set<"point" | "centroid" | "start" | "end" | string>
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public readonly icon: TagRenderingConfig;
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public readonly iconBadges: { if: TagsFilter; then: TagRenderingConfig }[];
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public readonly iconSize: TagRenderingConfig;
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public readonly label: TagRenderingConfig;
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public readonly rotation: TagRenderingConfig;
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constructor(json: PointRenderingConfigJson, context: string) {
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super(json, context)
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if (typeof json.location === "string") {
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json.location = [json.location]
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}
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this.location = new Set(json.location)
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this.location.forEach(l => {
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const allowed = PointRenderingConfig.allowed_location_codes
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if (!allowed.has(l)) {
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throw `A point rendering has an invalid location: '${l}' is not one of ${Array.from(allowed).join(", ")} (at ${context}.location)`
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}
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})
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if (json.icon === undefined && json.label === undefined) {
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throw `A point rendering should define at least an icon or a label`
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}
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if (this.location.size == 0) {
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throw "A pointRendering should have at least one 'location' to defined where it should be rendered. (At " + context + ".location)"
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}
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this.icon = this.tr("icon", undefined);
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this.iconBadges = (json.iconBadges ?? []).map((overlay, i) => {
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let tr: TagRenderingConfig;
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if (typeof overlay.then === "string" &&
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SharedTagRenderings.SharedIcons.get(overlay.then) !== undefined) {
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tr = SharedTagRenderings.SharedIcons.get(overlay.then);
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} else {
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tr = new TagRenderingConfig(
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overlay.then,
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`iconBadges.${i}`
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);
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}
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return {
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if: TagUtils.Tag(overlay.if),
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then: tr
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};
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});
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const iconPath = this.icon?.GetRenderValue({id: "node/-1"})?.txt;
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if (iconPath !== undefined && iconPath.startsWith(Utils.assets_path)) {
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const iconKey = iconPath.substr(Utils.assets_path.length);
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if (Svg.All[iconKey] === undefined) {
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throw context + ": builtin SVG asset not found: " + iconPath;
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}
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}
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this.iconSize = this.tr("iconSize", "40,40,center");
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this.label = this.tr("label", undefined);
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this.rotation = this.tr("rotation", "0");
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}
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/**
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* Given a single HTML spec (either a single image path OR "image_path_to_known_svg:fill-colour", returns a fixedUIElement containing that
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* The element will fill 100% and be positioned absolutely with top:0 and left: 0
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*/
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private static FromHtmlSpec(htmlSpec: string, style: string, isBadge = false): BaseUIElement {
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if (htmlSpec === undefined) {
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return undefined;
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}
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const match = htmlSpec.match(/([a-zA-Z0-9_]*):([^;]*)/);
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if (match !== null && Svg.All[match[1] + ".svg"] !== undefined) {
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const svg = (Svg.All[match[1] + ".svg"] as string)
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const targetColor = match[2]
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const img = new Img(svg
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.replace(/(rgb\(0%,0%,0%\)|#000000|#000)/g, targetColor), true)
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.SetStyle(style)
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if (isBadge) {
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img.SetClass("badge")
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}
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return img
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} else if (Svg.All[htmlSpec + ".svg"] !== undefined) {
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const svg = (Svg.All[htmlSpec + ".svg"] as string)
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const img = new Img(svg, true)
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.SetStyle(style)
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if (isBadge) {
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img.SetClass("badge")
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}
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return img
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} else {
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return new FixedUiElement(`<img src="${htmlSpec}" style="${style}" />`);
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}
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}
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private static FromHtmlMulti(multiSpec: string, rotation: string, isBadge: boolean, defaultElement: BaseUIElement = undefined) {
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if (multiSpec === undefined) {
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return defaultElement
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}
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const style = `width:100%;height:100%;transform: rotate( ${rotation} );display:block;position: absolute; top: 0; left: 0`;
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const htmlDefs = multiSpec.trim()?.split(";") ?? []
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const elements = Utils.NoEmpty(htmlDefs).map(def => PointRenderingConfig.FromHtmlSpec(def, style, isBadge))
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if (elements.length === 0) {
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return defaultElement
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} else {
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return new Combine(elements).SetClass("relative block w-full h-full")
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}
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}
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public GetBaseIcon(tags?: any): BaseUIElement {
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tags = tags ?? {id: "node/-1"}
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const rotation = Utils.SubstituteKeys(this.rotation?.GetRenderValue(tags)?.txt ?? "0deg", tags)
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const htmlDefs = Utils.SubstituteKeys(this.icon?.GetRenderValue(tags)?.txt, tags)
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let defaultPin: BaseUIElement = undefined
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if (this.label === undefined) {
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defaultPin = Svg.teardrop_with_hole_green_svg()
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}
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return PointRenderingConfig.FromHtmlMulti(htmlDefs, rotation, false, defaultPin)
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}
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public GetSimpleIcon(tags: UIEventSource<any>): BaseUIElement {
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const self = this;
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if (this.icon === undefined) {
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return undefined;
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}
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return new VariableUiElement(tags.map(tags => self.GetBaseIcon(tags))).SetClass("w-full h-full block")
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}
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public GenerateLeafletStyle(
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tags: UIEventSource<any>,
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clickable: boolean,
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options?: {
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noSize?: false | boolean,
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includeBadges?: true | boolean
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}
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):
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{
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html: BaseUIElement;
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iconSize: [number, number];
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iconAnchor: [number, number];
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popupAnchor: [number, number];
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iconUrl: string;
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className: string;
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} {
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function num(str, deflt = 40) {
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const n = Number(str);
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if (isNaN(n)) {
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return deflt;
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}
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return n;
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}
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function render(tr: TagRenderingConfig, deflt?: string) {
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if (tags === undefined) {
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return deflt
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}
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const str = tr?.GetRenderValue(tags.data)?.txt ?? deflt;
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return Utils.SubstituteKeys(str, tags.data).replace(/{.*}/g, "");
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}
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const iconSize = render(this.iconSize, "40,40,center").split(",");
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const iconW = num(iconSize[0]);
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let iconH = num(iconSize[1]);
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const mode = iconSize[2]?.trim()?.toLowerCase() ?? "center";
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let anchorW = iconW / 2;
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let anchorH = iconH / 2;
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if (mode === "left") {
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anchorW = 0;
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}
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if (mode === "right") {
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anchorW = iconW;
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}
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if (mode === "top") {
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anchorH = 0;
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}
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if (mode === "bottom") {
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anchorH = iconH;
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}
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const icon = this.GetSimpleIcon(tags)
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let badges = undefined;
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if (options?.includeBadges ?? true) {
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badges = this.GetBadges(tags)
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}
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const iconAndBadges = new Combine([icon, badges])
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.SetClass("block relative")
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if (!options?.noSize) {
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iconAndBadges.SetStyle(`width: ${iconW}px; height: ${iconH}px`)
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} else {
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iconAndBadges.SetClass("w-full h-full")
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}
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let label = this.GetLabel(tags)
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let htmlEl: BaseUIElement;
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if (icon === undefined && label === undefined) {
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htmlEl = undefined
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} else if (icon === undefined) {
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htmlEl = new Combine([label])
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} else if (label === undefined) {
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htmlEl = new Combine([iconAndBadges])
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} else {
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htmlEl = new Combine([iconAndBadges, label]).SetStyle("flex flex-col")
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}
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return {
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html: htmlEl,
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iconSize: [iconW, iconH],
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iconAnchor: [anchorW, anchorH],
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popupAnchor: [0, 3 - anchorH],
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iconUrl: undefined,
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className: clickable
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? "leaflet-div-icon"
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: "leaflet-div-icon unclickable",
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};
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}
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private GetBadges(tags: UIEventSource<any>): BaseUIElement {
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if (this.iconBadges.length === 0) {
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return undefined
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}
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return new VariableUiElement(
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tags.map(tags => {
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const badgeElements = this.iconBadges.map(badge => {
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if (!badge.if.matchesProperties(tags)) {
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// Doesn't match...
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return undefined
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}
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const htmlDefs = Utils.SubstituteKeys(badge.then.GetRenderValue(tags)?.txt, tags)
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const badgeElement = PointRenderingConfig.FromHtmlMulti(htmlDefs, "0", true)?.SetClass("block relative")
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if (badgeElement === undefined) {
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return undefined;
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}
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return new Combine([badgeElement]).SetStyle("width: 1.5rem").SetClass("block")
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})
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return new Combine(badgeElements).SetClass("inline-flex h-full")
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})).SetClass("absolute bottom-0 right-1/3 h-1/2 w-0")
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}
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private GetLabel(tags: UIEventSource<any>): BaseUIElement {
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if (this.label === undefined) {
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return undefined;
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}
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const self = this;
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return new VariableUiElement(tags.map(tags => {
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const label = self.label
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?.GetRenderValue(tags)
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?.Subs(tags)
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?.SetClass("block text-center")
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return new Combine([label]).SetClass("flex flex-col items-center mt-1")
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}))
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}
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} |