forked from MapComplete/MapComplete
		
	
		
			
				
	
	
		
			664 lines
		
	
	
	
		
			26 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			664 lines
		
	
	
	
		
			26 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import { Translation } from "../../UI/i18n/Translation"
 | 
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import SourceConfig from "./SourceConfig"
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import TagRenderingConfig from "./TagRenderingConfig"
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import PresetConfig, { PreciseInput } from "./PresetConfig"
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import { LayerConfigJson } from "./Json/LayerConfigJson"
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import Translations from "../../UI/i18n/Translations"
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import { TagUtils } from "../../Logic/Tags/TagUtils"
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import FilterConfig from "./FilterConfig"
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import { Unit } from "../Unit"
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import DeleteConfig from "./DeleteConfig"
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import MoveConfig from "./MoveConfig"
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import PointRenderingConfig from "./PointRenderingConfig"
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import WithContextLoader from "./WithContextLoader"
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import LineRenderingConfig from "./LineRenderingConfig"
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import PointRenderingConfigJson from "./Json/PointRenderingConfigJson"
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import LineRenderingConfigJson from "./Json/LineRenderingConfigJson"
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import { TagRenderingConfigJson } from "./Json/TagRenderingConfigJson"
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import BaseUIElement from "../../UI/BaseUIElement"
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import Combine from "../../UI/Base/Combine"
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import Title from "../../UI/Base/Title"
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import List from "../../UI/Base/List"
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import Link from "../../UI/Base/Link"
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import { Utils } from "../../Utils"
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import { TagsFilter } from "../../Logic/Tags/TagsFilter"
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import Table from "../../UI/Base/Table"
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import FilterConfigJson from "./Json/FilterConfigJson"
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import { And } from "../../Logic/Tags/And"
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import { Overpass } from "../../Logic/Osm/Overpass"
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import { FixedUiElement } from "../../UI/Base/FixedUiElement"
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import Svg from "../../Svg"
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import { ImmutableStore } from "../../Logic/UIEventSource"
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import { OsmTags } from "../OsmFeature"
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import Constants from "../Constants"
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export default class LayerConfig extends WithContextLoader {
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    public static readonly syncSelectionAllowed = ["no", "local", "theme-only", "global"] as const
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    public readonly id: string
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    public readonly name: Translation
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    public readonly description: Translation
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    /**
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     * Only 'null' for special, privileged layers
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     */
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    public readonly source: SourceConfig | null
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    public readonly calculatedTags: [string, string, boolean][]
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    public readonly doNotDownload: boolean
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    public readonly passAllFeatures: boolean
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    public readonly isShown: TagsFilter
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    public minzoom: number
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    public minzoomVisible: number
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    public readonly maxzoom: number
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    public readonly title?: TagRenderingConfig
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    public readonly titleIcons: TagRenderingConfig[]
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    public readonly mapRendering: PointRenderingConfig[]
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    public readonly lineRendering: LineRenderingConfig[]
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    public readonly units: Unit[]
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    public readonly deletion: DeleteConfig | null
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    public readonly allowMove: MoveConfig | null
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    public readonly allowSplit: boolean
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    public readonly shownByDefault: boolean
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    /**
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     * In seconds
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     */
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    public readonly maxAgeOfCache: number
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    public readonly presets: PresetConfig[]
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    public readonly tagRenderings: TagRenderingConfig[]
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    public readonly filters: FilterConfig[]
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    public readonly filterIsSameAs: string
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    public readonly forceLoad: boolean
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    public readonly syncSelection: typeof LayerConfig.syncSelectionAllowed[number] // this is a trick to conver a constant array of strings into a type union of these values
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    public readonly _needsFullNodeDatabase = false
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    constructor(json: LayerConfigJson, context?: string, official: boolean = true) {
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        context = context + "." + json.id
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        const translationContext = "layers:" + json.id
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        super(json, context)
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        this.id = json.id
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        if (typeof json === "string") {
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            throw `Not a valid layer: the layerConfig is a string. 'npm run generate:layeroverview' might be needed (at ${context})`
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        }
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        if (json.id === undefined) {
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            throw `Not a valid layer: id is undefined: ${JSON.stringify(json)} (At ${context})`
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        }
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        if (json.source === undefined) {
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            throw "Layer " + this.id + " does not define a source section (" + context + ")"
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        }
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        if (json.source === "special" || json.source === "special:library") {
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            this.source = null
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        } else if (json.source["osmTags"] === undefined) {
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            throw (
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                "Layer " +
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                this.id +
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                " does not define a osmTags in the source section - these should always be present, even for geojson layers (" +
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                context +
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                ")"
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            )
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        }
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        if (json.id.toLowerCase() !== json.id) {
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            throw `${context}: The id of a layer should be lowercase: ${json.id}`
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        }
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        if (json.id.match(/[a-z0-9-_]/) == null) {
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            throw `${context}: The id of a layer should match [a-z0-9-_]*: ${json.id}`
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        }
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        if (
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            json.syncSelection !== undefined &&
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            LayerConfig.syncSelectionAllowed.indexOf(json.syncSelection) < 0
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        ) {
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            throw (
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                context +
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                " Invalid sync-selection: must be one of " +
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                LayerConfig.syncSelectionAllowed.map((v) => `'${v}'`).join(", ") +
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                " but got '" +
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                json.syncSelection +
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                "'"
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            )
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        }
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        this.syncSelection = json.syncSelection ?? "no"
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        if (typeof json.source !== "string") {
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            this.maxAgeOfCache = json.source["maxCacheAge"] ?? 24 * 60 * 60 * 30
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            const osmTags = TagUtils.Tag(json.source["osmTags"], context + "source.osmTags")
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            if (osmTags.isNegative()) {
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                throw (
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                    context +
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                    "The source states tags which give a very wide selection: it only uses negative expressions, which will result in too much and unexpected data. Add at least one required tag. The tags are:\n\t" +
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                    osmTags.asHumanString(false, false, {})
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                )
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            }
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            this.source = new SourceConfig(
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                {
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                    osmTags: osmTags,
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                    geojsonSource: json.source["geoJson"],
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                    geojsonSourceLevel: json.source["geoJsonZoomLevel"],
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                    overpassScript: json.source["overpassScript"],
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                    isOsmCache: json.source["isOsmCache"],
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                    mercatorCrs: json.source["mercatorCrs"],
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                    idKey: json.source["idKey"],
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                },
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                json.id
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            )
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        }
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        if (json.source["geoJsonSource"] !== undefined) {
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            throw context + "Use 'geoJson' instead of 'geoJsonSource'"
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        }
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        if (json.source["geojson"] !== undefined) {
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            throw context + "Use 'geoJson' instead of 'geojson' (the J is a capital letter)"
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        }
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        this.allowSplit = json.allowSplit ?? false
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        this.name = Translations.T(json.name, translationContext + ".name")
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        if (json.units !== undefined && !Array.isArray(json.units)) {
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            throw (
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                "At " +
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                context +
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                ".units: the 'units'-section should be a list; you probably have an object there"
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            )
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        }
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        this.units = (json.units ?? []).map((unitJson, i) =>
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            Unit.fromJson(unitJson, `${context}.unit[${i}]`)
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        )
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        if (json.description !== undefined) {
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            if (Object.keys(json.description).length === 0) {
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                json.description = undefined
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            }
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        }
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        this.description = Translations.T(json.description, translationContext + ".description")
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        this.calculatedTags = undefined
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        if (json.calculatedTags !== undefined) {
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            if (!official) {
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                console.warn(
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                    `Unofficial theme ${this.id} with custom javascript! This is a security risk`
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                )
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            }
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            this.calculatedTags = []
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            for (const kv of json.calculatedTags) {
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                const index = kv.indexOf("=")
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                let key = kv.substring(0, index).trim()
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                const r = "[a-z_][a-z0-9:]*"
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                if (key.match(r) === null) {
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                    throw (
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                        "At " +
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                        context +
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                        " invalid key for calculated tag: " +
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                        key +
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                        "; it should match " +
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                        r
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                    )
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                }
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                const isStrict = key.endsWith(":")
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                if (isStrict) {
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                    key = key.substr(0, key.length - 1)
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                }
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                const code = kv.substring(index + 1)
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                try {
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                    new Function("feat", "return " + code + ";")
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                } catch (e) {
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                    throw `Invalid function definition: the custom javascript is invalid:${e} (at ${context}). The offending javascript code is:\n    ${code}`
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                }
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                this.calculatedTags.push([key, code, isStrict])
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            }
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        }
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        this.doNotDownload = json.doNotDownload ?? false
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        this.passAllFeatures = json.passAllFeatures ?? false
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        this.minzoom = json.minzoom ?? 0
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        if (json["minZoom"] !== undefined) {
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            throw "At " + context + ": minzoom is written all lowercase"
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        }
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        this.minzoomVisible = json.minzoomVisible ?? this.minzoom
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        this.shownByDefault = json.shownByDefault ?? true
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        this.forceLoad = json.forceLoad ?? false
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        if (json.presets === null) json.presets = undefined
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        if (json.presets !== undefined && json.presets?.map === undefined) {
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            throw "Presets should be a list of items (at " + context + ")"
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        }
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        this.presets = (json.presets ?? []).map((pr, i) => {
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            let preciseInput: PreciseInput = {
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                preferredBackground: ["photo"],
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                snapToLayers: undefined,
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                maxSnapDistance: undefined,
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            }
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            if (pr.preciseInput !== undefined) {
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                if (pr.preciseInput === true) {
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                    pr.preciseInput = {
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                        preferredBackground: undefined,
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                    }
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                }
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                let snapToLayers: string[]
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                if (typeof pr.preciseInput.snapToLayer === "string") {
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                    snapToLayers = [pr.preciseInput.snapToLayer]
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                } else {
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                    snapToLayers = pr.preciseInput.snapToLayer
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                }
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                let preferredBackground: (
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                    | "map"
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                    | "photo"
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                    | "osmbasedmap"
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                    | "historicphoto"
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                    | string
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                )[]
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                if (typeof pr.preciseInput.preferredBackground === "string") {
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                    preferredBackground = [pr.preciseInput.preferredBackground]
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                } else {
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                    preferredBackground = pr.preciseInput.preferredBackground
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                }
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                preciseInput = {
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                    preferredBackground,
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                    snapToLayers,
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                    maxSnapDistance: pr.preciseInput.maxSnapDistance ?? 10,
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                }
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            }
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            const config: PresetConfig = {
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                title: Translations.T(pr.title, `${translationContext}.presets.${i}.title`),
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                tags: pr.tags.map((t) => TagUtils.SimpleTag(t)),
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                description: Translations.T(
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                    pr.description,
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                    `${translationContext}.presets.${i}.description`
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                ),
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                preciseInput: preciseInput,
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                exampleImages: pr.exampleImages,
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            }
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            return config
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        })
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        if (json.mapRendering === undefined) {
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            throw "MapRendering is undefined in " + context
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        }
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        if (json.mapRendering === null) {
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            this.mapRendering = []
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            this.lineRendering = []
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        } else {
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            this.mapRendering = Utils.NoNull(json.mapRendering)
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                .filter((r) => r["location"] !== undefined)
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                .map(
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                    (r, i) =>
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                        new PointRenderingConfig(
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                            <PointRenderingConfigJson>r,
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                            context + ".mapRendering[" + i + "]"
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                        )
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                )
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            this.lineRendering = Utils.NoNull(json.mapRendering)
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                .filter((r) => r["location"] === undefined)
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                .map(
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                    (r, i) =>
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                        new LineRenderingConfig(
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                            <LineRenderingConfigJson>r,
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                            context + ".mapRendering[" + i + "]"
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                        )
 | 
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                )
 | 
						|
 | 
						|
            const hasCenterRendering = this.mapRendering.some(
 | 
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                (r) =>
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                    r.location.has("centroid") ||
 | 
						|
                    r.location.has("projected_centerpoint") ||
 | 
						|
                    r.location.has("start") ||
 | 
						|
                    r.location.has("end")
 | 
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            )
 | 
						|
 | 
						|
            if (this.lineRendering.length === 0 && this.mapRendering.length === 0) {
 | 
						|
                throw (
 | 
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                    "The layer " +
 | 
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                    this.id +
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                    " does not have any maprenderings defined and will thus not show up on the map at all. If this is intentional, set maprenderings to 'null' instead of '[]'"
 | 
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                )
 | 
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            } else if (
 | 
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                !hasCenterRendering &&
 | 
						|
                this.lineRendering.length === 0 &&
 | 
						|
                Constants.priviliged_layers.indexOf(<any>this.id) < 0 &&
 | 
						|
                !this.source?.geojsonSource?.startsWith(
 | 
						|
                    "https://api.openstreetmap.org/api/0.6/notes.json"
 | 
						|
                )
 | 
						|
            ) {
 | 
						|
                throw (
 | 
						|
                    "The layer " +
 | 
						|
                    this.id +
 | 
						|
                    " might not render ways. This might result in dropped information (at " +
 | 
						|
                    context +
 | 
						|
                    ")"
 | 
						|
                )
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        const missingIds =
 | 
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            Utils.NoNull(json.tagRenderings)?.filter(
 | 
						|
                (tr) =>
 | 
						|
                    typeof tr !== "string" &&
 | 
						|
                    tr["builtin"] === undefined &&
 | 
						|
                    tr["id"] === undefined &&
 | 
						|
                    tr["rewrite"] === undefined
 | 
						|
            ) ?? []
 | 
						|
        if (missingIds?.length > 0 && official) {
 | 
						|
            console.error("Some tagRenderings of", this.id, "are missing an id:", missingIds)
 | 
						|
            throw "Missing ids in tagrenderings"
 | 
						|
        }
 | 
						|
 | 
						|
        this.tagRenderings = (Utils.NoNull(json.tagRenderings) ?? []).map(
 | 
						|
            (tr, i) =>
 | 
						|
                new TagRenderingConfig(
 | 
						|
                    <TagRenderingConfigJson>tr,
 | 
						|
                    this.id + ".tagRenderings[" + i + "]"
 | 
						|
                )
 | 
						|
        )
 | 
						|
 | 
						|
        if (
 | 
						|
            json.filter !== undefined &&
 | 
						|
            json.filter !== null &&
 | 
						|
            json.filter["sameAs"] !== undefined
 | 
						|
        ) {
 | 
						|
            this.filterIsSameAs = json.filter["sameAs"]
 | 
						|
            this.filters = []
 | 
						|
        } else {
 | 
						|
            this.filters = (<FilterConfigJson[]>json.filter ?? []).map((option, i) => {
 | 
						|
                return new FilterConfig(option, `layers:${this.id}.filter.${i}`)
 | 
						|
            })
 | 
						|
        }
 | 
						|
 | 
						|
        {
 | 
						|
            const duplicateIds = Utils.Dupiclates(this.filters.map((f) => f.id))
 | 
						|
            if (duplicateIds.length > 0) {
 | 
						|
                throw `Some filters have a duplicate id: ${duplicateIds} (at ${context}.filters)`
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        if (json["filters"] !== undefined) {
 | 
						|
            throw "Error in " + context + ": use 'filter' instead of 'filters'"
 | 
						|
        }
 | 
						|
 | 
						|
        this.titleIcons = this.ParseTagRenderings(<TagRenderingConfigJson[]>json.titleIcons ?? [], {
 | 
						|
            readOnlyMode: true,
 | 
						|
        })
 | 
						|
 | 
						|
        this.title = this.tr("title", undefined)
 | 
						|
        this.isShown = TagUtils.TagD(json.isShown, context + ".isShown")
 | 
						|
 | 
						|
        this.deletion = null
 | 
						|
        if (json.deletion === true) {
 | 
						|
            json.deletion = {}
 | 
						|
        }
 | 
						|
        if (json.deletion !== undefined && json.deletion !== false) {
 | 
						|
            this.deletion = new DeleteConfig(json.deletion, `${context}.deletion`)
 | 
						|
        }
 | 
						|
 | 
						|
        this.allowMove = null
 | 
						|
        if (json.allowMove === false) {
 | 
						|
            this.allowMove = null
 | 
						|
        } else if (json.allowMove === true) {
 | 
						|
            this.allowMove = new MoveConfig({}, context + ".allowMove")
 | 
						|
        } else if (json.allowMove !== undefined) {
 | 
						|
            this.allowMove = new MoveConfig(json.allowMove, context + ".allowMove")
 | 
						|
        }
 | 
						|
 | 
						|
        if (json["showIf"] !== undefined) {
 | 
						|
            throw (
 | 
						|
                "Invalid key on layerconfig " +
 | 
						|
                this.id +
 | 
						|
                ": showIf. Did you mean 'isShown' instead?"
 | 
						|
            )
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    public defaultIcon(): BaseUIElement | undefined {
 | 
						|
        if (this.mapRendering === undefined || this.mapRendering === null) {
 | 
						|
            return undefined
 | 
						|
        }
 | 
						|
        const mapRendering = this.mapRendering.filter((r) => r.location.has("point"))[0]
 | 
						|
        if (mapRendering === undefined) {
 | 
						|
            return undefined
 | 
						|
        }
 | 
						|
        return mapRendering.GetBaseIcon(this.GetBaseTags(), { noFullWidth: true })
 | 
						|
    }
 | 
						|
 | 
						|
    public GetBaseTags(): Record<string, string> {
 | 
						|
        return TagUtils.changeAsProperties(
 | 
						|
            this.source?.osmTags?.asChange({ id: "node/-1" }) ?? [{ k: "id", v: "node/-1" }]
 | 
						|
        )
 | 
						|
    }
 | 
						|
 | 
						|
    public GenerateDocumentation(
 | 
						|
        usedInThemes: string[],
 | 
						|
        layerIsNeededBy?: Map<string, string[]>,
 | 
						|
        dependencies: {
 | 
						|
            context?: string
 | 
						|
            reason: string
 | 
						|
            neededLayer: string
 | 
						|
        }[] = [],
 | 
						|
        addedByDefault = false,
 | 
						|
        canBeIncluded = true
 | 
						|
    ): BaseUIElement {
 | 
						|
        const extraProps: (string | BaseUIElement)[] = []
 | 
						|
 | 
						|
        extraProps.push("This layer is shown at zoomlevel **" + this.minzoom + "** and higher")
 | 
						|
 | 
						|
        if (canBeIncluded) {
 | 
						|
            if (addedByDefault) {
 | 
						|
                extraProps.push(
 | 
						|
                    "**This layer is included automatically in every theme. This layer might contain no points**"
 | 
						|
                )
 | 
						|
            }
 | 
						|
            if (this.shownByDefault === false) {
 | 
						|
                extraProps.push(
 | 
						|
                    "This layer is not visible by default and must be enabled in the filter by the user. "
 | 
						|
                )
 | 
						|
            }
 | 
						|
            if (this.title === undefined) {
 | 
						|
                extraProps.push(
 | 
						|
                    "Elements don't have a title set and cannot be toggled nor will they show up in the dashboard. If you import this layer in your theme, override `title` to make this toggleable."
 | 
						|
                )
 | 
						|
            }
 | 
						|
            if (this.name === undefined && this.shownByDefault === false) {
 | 
						|
                extraProps.push(
 | 
						|
                    "This layer is not visible by default and the visibility cannot be toggled, effectively resulting in a fully hidden layer. This can be useful, e.g. to calculate some metatags. If you want to render this layer (e.g. for debugging), enable it by setting the URL-parameter layer-<id>=true"
 | 
						|
                )
 | 
						|
            }
 | 
						|
            if (this.name === undefined) {
 | 
						|
                extraProps.push(
 | 
						|
                    "Not visible in the layer selection by default. If you want to make this layer toggable, override `name`"
 | 
						|
                )
 | 
						|
            }
 | 
						|
            if (this.mapRendering.length === 0) {
 | 
						|
                extraProps.push(
 | 
						|
                    "Not rendered on the map by default. If you want to rendering this on the map, override `mapRenderings`"
 | 
						|
                )
 | 
						|
            }
 | 
						|
 | 
						|
            if (this.source?.geojsonSource !== undefined) {
 | 
						|
                extraProps.push(
 | 
						|
                    new Combine([
 | 
						|
                        Utils.runningFromConsole
 | 
						|
                            ? "<img src='../warning.svg' height='1rem'/>"
 | 
						|
                            : undefined,
 | 
						|
                        "This layer is loaded from an external source, namely ",
 | 
						|
                        new FixedUiElement(this.source.geojsonSource).SetClass("code"),
 | 
						|
                    ])
 | 
						|
                )
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            extraProps.push(
 | 
						|
                "This layer can **not** be included in a theme. It is solely used by [special renderings](SpecialRenderings.md) showing a minimap with custom data."
 | 
						|
            )
 | 
						|
        }
 | 
						|
 | 
						|
        let usingLayer: BaseUIElement[] = []
 | 
						|
        if (usedInThemes?.length > 0 && !addedByDefault) {
 | 
						|
            usingLayer = [
 | 
						|
                new Title("Themes using this layer", 4),
 | 
						|
                new List(
 | 
						|
                    (usedInThemes ?? []).map(
 | 
						|
                        (id) => new Link(id, "https://mapcomplete.osm.be/" + id)
 | 
						|
                    )
 | 
						|
                ),
 | 
						|
            ]
 | 
						|
        }
 | 
						|
 | 
						|
        for (const dep of dependencies) {
 | 
						|
            extraProps.push(
 | 
						|
                new Combine([
 | 
						|
                    "This layer will automatically load ",
 | 
						|
                    new Link(dep.neededLayer, "./" + dep.neededLayer + ".md"),
 | 
						|
                    " into the layout as it depends on it: ",
 | 
						|
                    dep.reason,
 | 
						|
                    "(" + dep.context + ")",
 | 
						|
                ])
 | 
						|
            )
 | 
						|
        }
 | 
						|
 | 
						|
        for (const revDep of Utils.Dedup(layerIsNeededBy?.get(this.id) ?? [])) {
 | 
						|
            extraProps.push(
 | 
						|
                new Combine([
 | 
						|
                    "This layer is needed as dependency for layer",
 | 
						|
                    new Link(revDep, "#" + revDep),
 | 
						|
                ])
 | 
						|
            )
 | 
						|
        }
 | 
						|
 | 
						|
        let neededTags: TagsFilter[] = Utils.NoNull([this.source?.osmTags])
 | 
						|
        if (this.source?.osmTags["and"] !== undefined) {
 | 
						|
            neededTags = this.source.osmTags["and"]
 | 
						|
        }
 | 
						|
 | 
						|
        let tableRows = Utils.NoNull(
 | 
						|
            this.tagRenderings
 | 
						|
                .map((tr) => tr.FreeformValues())
 | 
						|
                .map((values) => {
 | 
						|
                    if (values == undefined) {
 | 
						|
                        return undefined
 | 
						|
                    }
 | 
						|
                    const embedded: (Link | string)[] = values.values?.map((v) =>
 | 
						|
                        Link.OsmWiki(values.key, v, true).SetClass("mr-2")
 | 
						|
                    ) ?? ["_no preset options defined, or no values in them_"]
 | 
						|
                    return [
 | 
						|
                        new Combine([
 | 
						|
                            new Link(
 | 
						|
                                Utils.runningFromConsole
 | 
						|
                                    ? "<img src='https://mapcomplete.osm.be/assets/svg/statistics.svg' height='18px'>"
 | 
						|
                                    : Svg.statistics_svg().SetClass("w-4 h-4 mr-2"),
 | 
						|
                                "https://taginfo.openstreetmap.org/keys/" + values.key + "#values",
 | 
						|
                                true
 | 
						|
                            ),
 | 
						|
                            Link.OsmWiki(values.key),
 | 
						|
                        ]).SetClass("flex"),
 | 
						|
                        values.type === undefined
 | 
						|
                            ? "Multiple choice"
 | 
						|
                            : new Link(values.type, "../SpecialInputElements.md#" + values.type),
 | 
						|
                        new Combine(embedded).SetClass("flex"),
 | 
						|
                    ]
 | 
						|
                })
 | 
						|
        )
 | 
						|
 | 
						|
        let quickOverview: BaseUIElement = undefined
 | 
						|
        if (tableRows.length > 0) {
 | 
						|
            quickOverview = new Combine([
 | 
						|
                new FixedUiElement("Warning: ").SetClass("bold"),
 | 
						|
                "this quick overview is incomplete",
 | 
						|
                new Table(
 | 
						|
                    ["attribute", "type", "values which are supported by this layer"],
 | 
						|
                    tableRows
 | 
						|
                ).SetClass("zebra-table"),
 | 
						|
            ]).SetClass("flex-col flex")
 | 
						|
        }
 | 
						|
 | 
						|
        let iconImg: BaseUIElement = new FixedUiElement("")
 | 
						|
 | 
						|
        if (Utils.runningFromConsole) {
 | 
						|
            const icon = this.mapRendering
 | 
						|
                .filter((mr) => mr.location.has("point"))
 | 
						|
                .map((mr) => mr.icon?.render?.txt)
 | 
						|
                .find((i) => i !== undefined)
 | 
						|
            // This is for the documentation in a markdown-file, so we have to use raw HTML
 | 
						|
            if (icon !== undefined) {
 | 
						|
                iconImg = new FixedUiElement(
 | 
						|
                    `<img src='https://mapcomplete.osm.be/${icon}' height="100px"> `
 | 
						|
                )
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            iconImg = this.mapRendering
 | 
						|
                .filter((mr) => mr.location.has("point"))
 | 
						|
                .map(
 | 
						|
                    (mr) =>
 | 
						|
                        mr.RenderIcon(new ImmutableStore<OsmTags>({ id: "node/-1" }), false, {
 | 
						|
                            includeBadges: false,
 | 
						|
                        }).html
 | 
						|
                )
 | 
						|
                .find((i) => i !== undefined)
 | 
						|
        }
 | 
						|
 | 
						|
        let overpassLink: BaseUIElement = undefined
 | 
						|
        if (this.source !== undefined) {
 | 
						|
            try {
 | 
						|
                overpassLink = new Link(
 | 
						|
                    "Execute on overpass",
 | 
						|
                    Overpass.AsOverpassTurboLink(<TagsFilter>new And(neededTags).optimize())
 | 
						|
                )
 | 
						|
            } catch (e) {
 | 
						|
                console.error("Could not generate overpasslink for " + this.id)
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        const filterDocs: (string | BaseUIElement)[] = []
 | 
						|
        if (this.filters.length > 0) {
 | 
						|
            filterDocs.push(new Title("Filters", 4))
 | 
						|
            filterDocs.push(...this.filters.map((filter) => filter.GenerateDocs()))
 | 
						|
        }
 | 
						|
 | 
						|
        const tagsDescription = []
 | 
						|
        if (this.source === null) {
 | 
						|
            tagsDescription.push(
 | 
						|
                new Title("Basic tags for this layer", 2),
 | 
						|
                "Elements must have the all of following tags to be shown on this layer:",
 | 
						|
                new List(neededTags.map((t) => t.asHumanString(true, false, {}))),
 | 
						|
                overpassLink
 | 
						|
            )
 | 
						|
        } else {
 | 
						|
            tagsDescription.push("This is a special layer - data is not sourced from OpenStreetMap")
 | 
						|
        }
 | 
						|
 | 
						|
        return new Combine([
 | 
						|
            new Combine([new Title(this.id, 1), iconImg, this.description, "\n"]).SetClass(
 | 
						|
                "flex flex-col"
 | 
						|
            ),
 | 
						|
            new List(extraProps),
 | 
						|
            ...usingLayer,
 | 
						|
            ...tagsDescription,
 | 
						|
            new Title("Supported attributes", 2),
 | 
						|
            quickOverview,
 | 
						|
            ...this.tagRenderings.map((tr) => tr.GenerateDocumentation()),
 | 
						|
            ...filterDocs,
 | 
						|
        ])
 | 
						|
            .SetClass("flex-col")
 | 
						|
            .SetClass("link-underline")
 | 
						|
    }
 | 
						|
 | 
						|
    public CustomCodeSnippets(): string[] {
 | 
						|
        if (this.calculatedTags === undefined) {
 | 
						|
            return []
 | 
						|
        }
 | 
						|
        return this.calculatedTags.map((code) => code[1])
 | 
						|
    }
 | 
						|
 | 
						|
    AllTagRenderings(): TagRenderingConfig[] {
 | 
						|
        return Utils.NoNull([...this.tagRenderings, ...this.titleIcons, this.title])
 | 
						|
    }
 | 
						|
 | 
						|
    public isLeftRightSensitive(): boolean {
 | 
						|
        return this.lineRendering.some((lr) => lr.leftRightSensitive)
 | 
						|
    }
 | 
						|
}
 |