322 lines
11 KiB
TypeScript
322 lines
11 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 { 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 { Store, 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>([
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"point",
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"centroid",
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"start",
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"end",
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"projected_centerpoint",
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])
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public readonly location: Set<
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"point" | "centroid" | "start" | "end" | "projected_centerpoint" | string
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>
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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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public readonly cssDef: TagRenderingConfig
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public readonly cssClasses?: TagRenderingConfig
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constructor(json: PointRenderingConfigJson, context: string) {
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super(json, context)
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if (json === undefined || json === null) {
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throw "Invalid PointRenderingConfig: undefined or null"
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}
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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(
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allowed
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).join(", ")} (at ${context}.location)`
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}
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})
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if (json.icon === undefined && json.label === undefined) {
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throw `A point rendering should define at least an icon or a label`
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}
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if (this.location.size == 0) {
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throw (
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"A pointRendering should have at least one 'location' to defined where it should be rendered. (At " +
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context +
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".location)"
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)
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}
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this.icon = this.tr("icon", undefined)
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if (json.css !== undefined) {
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this.cssDef = this.tr("css", undefined)
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}
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this.cssClasses = this.tr("cssClasses", undefined)
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this.iconBadges = (json.iconBadges ?? []).map((overlay, i) => {
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return {
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if: TagUtils.Tag(overlay.if),
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then: new TagRenderingConfig(overlay.then, `iconBadges.${i}`),
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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(
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svg.replace(/(rgb\(0%,0%,0%\)|#000000|#000)/g, targetColor),
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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).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(
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multiSpec: string,
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rotation: string,
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isBadge: boolean,
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defaultElement: BaseUIElement = undefined
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) {
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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) =>
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PointRenderingConfig.FromHtmlSpec(def, style, isBadge)
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)
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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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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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if (this.icon === undefined) {
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return defaultPin
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}
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const rotation = Utils.SubstituteKeys(
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this.rotation?.GetRenderValue(tags)?.txt ?? "0deg",
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tags
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)
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const htmlDefs = Utils.SubstituteKeys(this.icon?.GetRenderValue(tags)?.txt, tags)
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if (htmlDefs === undefined) {
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// This layer doesn't want to show an icon right now
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return undefined
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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: Store<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(
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"w-full h-full block"
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)
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}
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public GenerateLeafletStyle(
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tags: Store<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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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]).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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const css = this.cssDef?.GetRenderValue(tags, undefined)?.txt
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const cssClasses = this.cssClasses?.GetRenderValue(tags, undefined)?.txt
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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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if (css !== undefined) {
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htmlEl?.SetStyle(css)
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}
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if (cssClasses !== undefined) {
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htmlEl?.SetClass(cssClasses)
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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 ? "leaflet-div-icon" : "leaflet-div-icon unclickable",
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}
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}
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private GetBadges(tags: Store<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(
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badge.then.GetRenderValue(tags)?.txt,
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tags
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)
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const badgeElement = PointRenderingConfig.FromHtmlMulti(
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htmlDefs,
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"0",
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true
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)?.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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})
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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: Store<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(
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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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}
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}
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