forked from MapComplete/MapComplete
		
	
		
			
				
	
	
		
			312 lines
		
	
	
	
		
			11 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			312 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 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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| 
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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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| 
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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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| 
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|     constructor(json: PointRenderingConfigJson, context: string) {
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|         super(json, context)
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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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| 
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|         this.location = new Set(json.location)
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| 
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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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| 
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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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| 
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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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|         this.iconBadges = (json.iconBadges ?? []).map((overlay, i) => {
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|             let tr: TagRenderingConfig
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|             if (
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|                 typeof overlay.then === "string" &&
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|                 SharedTagRenderings.SharedIcons.get(overlay.then) !== undefined
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|             ) {
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|                 tr = SharedTagRenderings.SharedIcons.get(overlay.then)
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|             } else {
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|                 tr = new TagRenderingConfig(overlay.then, `iconBadges.${i}`)
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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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| 
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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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|     /**
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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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| 
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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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| 
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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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| 
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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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| 
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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(
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|             "w-full h-full block"
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|         )
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|     }
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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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|         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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| 
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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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| 
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|         const iconSize = render(this.iconSize, "40,40,center").split(",")
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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(
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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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