forked from MapComplete/MapComplete
		
	
		
			
				
	
	
		
			449 lines
		
	
	
		
			No EOL
		
	
	
		
			19 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			449 lines
		
	
	
		
			No EOL
		
	
	
		
			19 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 {UIEventSource} from "../../Logic/UIEventSource";
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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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| 
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| export default class LayerConfig extends WithContextLoader {
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| 
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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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|     public readonly source: SourceConfig;
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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: TagRenderingConfig;
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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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| 
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|     public readonly mapRendering: PointRenderingConfig[]
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|     public readonly lineRendering: LineRenderingConfig[]
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| 
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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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| 
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|     public readonly presets: PresetConfig[];
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| 
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|     public readonly tagRenderings: TagRenderingConfig[];
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|     public readonly filters: FilterConfig[];
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| 
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|     constructor(
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|         json: LayerConfigJson,
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|         context?: string,
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|         official: boolean = true
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|     ) {
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|         context = context + "." + json.id;
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|         super(json, context)
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|         this.id = json.id;
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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)
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|         }
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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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| 
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|         if (json.source.osmTags === undefined) {
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|             throw "Layer " + this.id + " does not define a osmTags in the source section - these should always be present, even for geojson layers (" + context + ")"
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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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| 
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|         this.maxAgeOfCache = json.source.maxCacheAge ?? 24 * 60 * 60 * 30
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| 
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|         const osmTags = TagUtils.Tag(
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|             json.source.osmTags,
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|             context + "source.osmTags"
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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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| 
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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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| 
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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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|             },
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|             json.id
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|         );
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| 
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| 
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|         this.allowSplit = json.allowSplit ?? false;
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|         this.name = Translations.T(json.name, context + ".name");
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|         this.units = (json.units ?? []).map(((unitJson, i) => 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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| 
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|         this.description = Translations.T(
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|             json.description,
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|             context + ".description"
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|         );
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| 
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| 
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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);
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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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| 
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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: code ${code} is invalid:${e} (at ${context})`
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|                 }
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| 
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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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| 
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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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|         this.minzoomVisible = json.minzoomVisible ?? this.minzoom;
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|         this.shownByDefault = json.shownByDefault ?? true;
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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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| 
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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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| 
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|                 let preferredBackground: string[]
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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: 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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| 
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|             const config: PresetConfig = {
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|                 title: Translations.T(pr.title, `${context}.presets[${i}].title`),
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|                 tags: pr.tags.map((t) => TagUtils.SimpleTag(t)),
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|                 description: Translations.T(pr.description, `${context}.presets[${i}].description`),
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|                 preciseInput: preciseInput,
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|             }
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|             return config;
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|         });
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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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| 
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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((r, i) => new PointRenderingConfig(<PointRenderingConfigJson>r, context + ".mapRendering[" + i + "]"))
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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((r, i) => new LineRenderingConfig(<LineRenderingConfigJson>r, context + ".mapRendering[" + i + "]"))
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| 
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|             const hasCenterRendering = this.mapRendering.some(r => r.location.has("centroid") || r.location.has("start") || r.location.has("end"))
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| 
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|             if (this.lineRendering.length === 0 && this.mapRendering.length === 0) {
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|                 console.log(json.mapRendering)
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|                 throw("The layer " + this.id + " 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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|             } else if (!hasCenterRendering && this.lineRendering.length === 0) {
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|                 throw "The layer " + this.id + " might not render ways. This might result in dropped information"
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|             }
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|         }
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| 
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|         const missingIds = Utils.NoNull(json.tagRenderings)?.filter(tr => typeof tr !== "string" && tr["builtin"] === undefined && tr["id"] === undefined && tr["rewrite"] === undefined) ?? [];
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|         if (missingIds?.length > 0 && official) {
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|             console.error("Some tagRenderings of", this.id, "are missing an id:", missingIds)
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|             throw "Missing ids in tagrenderings"
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|         }
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| 
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|         this.tagRenderings = (Utils.NoNull(json.tagRenderings) ?? []).map((tr, i) => new TagRenderingConfig(<TagRenderingConfigJson>tr, this.id + ".tagRenderings[" + i + "]"))
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| 
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|         this.filters = (json.filter ?? []).map((option, i) => {
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|             return new FilterConfig(option, `${context}.filter-[${i}]`)
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|         });
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| 
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|         {
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|             const duplicateIds = Utils.Dupiclates(this.filters.map(f => f.id))
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|             if (duplicateIds.length > 0) {
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|                 throw `Some filters have a duplicate id: ${duplicateIds} (at ${context}.filters)`
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|             }
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|         }
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| 
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|         if (json["filters"] !== undefined) {
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|             throw "Error in " + context + ": use 'filter' instead of 'filters'"
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|         }
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| 
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| 
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|         this.titleIcons = this.ParseTagRenderings((<TagRenderingConfigJson[]> json.titleIcons), {
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|             readOnlyMode: true
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|         });
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| 
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|         this.title = this.tr("title", undefined);
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|         this.isShown = this.tr("isShown", "yes");
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| 
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|         this.deletion = null;
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|         if (json.deletion === true) {
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|             json.deletion = {};
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|         }
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|         if (json.deletion !== undefined && json.deletion !== false) {
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|             this.deletion = new DeleteConfig(json.deletion, `${context}.deletion`);
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|         }
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| 
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|         this.allowMove = null
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|         if (json.allowMove === false) {
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|             this.allowMove = null;
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|         } else if (json.allowMove === true) {
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|             this.allowMove = new MoveConfig({}, context + ".allowMove")
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|         } else if (json.allowMove !== undefined && json.allowMove !== false) {
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|             this.allowMove = new MoveConfig(json.allowMove, context + ".allowMove")
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|         }
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| 
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| 
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|         if (json["showIf"] !== undefined) {
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|             throw (
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|                 "Invalid key on layerconfig " +
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|                 this.id +
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|                 ": showIf. Did you mean 'isShown' instead?"
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|             );
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|         }
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|     }
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| 
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|     public defaultIcon(): BaseUIElement | undefined {
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|         if (this.mapRendering === undefined || this.mapRendering === null) {
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|             return undefined;
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|         }
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|         const mapRendering = this.mapRendering.filter(r => r.location.has("point"))[0]
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|         if (mapRendering === undefined) {
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|             return undefined
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|         }
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|         const defaultTags = new UIEventSource(TagUtils.changeAsProperties(this.source.osmTags.asChange({id: "node/-1"})))
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|         return mapRendering.GenerateLeafletStyle(defaultTags, false, {noSize: true}).html
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|     }
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| 
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|     public GenerateDocumentation(usedInThemes: string[], layerIsNeededBy: Map<string, string[]>, dependencies: {
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|         context?: string;
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|         reason: string;
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|         neededLayer: string;
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|     }[], addedByDefault = false, canBeIncluded = true): BaseUIElement {
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|         const extraProps = []
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| 
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|         if (canBeIncluded) {
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|             if (addedByDefault) {
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|                 extraProps.push("**This layer is included automatically in every theme. This layer might contain no points**")
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|             }
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|             if (this.shownByDefault === false) {
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|                 extraProps.push('This layer is not visible by default and must be enabled in the filter by the user. ')
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|             }
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|             if (this.title === undefined) {
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|                 extraProps.push("This layer cannot be toggled in the filter view. If you import this layer in your theme, override `title` to make this toggleable.")
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|             }
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|             if (this.title === undefined && this.shownByDefault === false) {
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|                 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")
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|             }
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|             if (this.name === undefined) {
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|                 extraProps.push("Not visible in the layer selection by default. If you want to make this layer toggable, override `name`")
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|             }
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|             if (this.mapRendering.length === 0) {
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|                 extraProps.push("Not rendered on the map by default. If you want to rendering this on the map, override `mapRenderings`")
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|             }
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| 
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|             if (this.source.geojsonSource !== undefined) {
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|                 extraProps.push("<img src='../warning.svg' height='1rem'/> This layer is loaded from an external source, namely `" + this.source.geojsonSource + "`")
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|             }
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|         } else {
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|             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.")
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|         }
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| 
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| 
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|         let usingLayer: BaseUIElement[] = []
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|         if (usedInThemes?.length > 0 && !addedByDefault) {
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|             usingLayer = [new Title("Themes using this layer", 4),
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|                 new List((usedInThemes ?? []).map(id => new Link(id, "https://mapcomplete.osm.be/" + id)))
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|             ]
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|         }
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| 
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|         for (const dep of dependencies) {
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|             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 + ")"]))
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|         }
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| 
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|         for (const revDep of layerIsNeededBy?.get(this.id) ?? []) {
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|             extraProps.push(new Combine(["This layer is needed as dependency for layer", new Link(revDep, "#" + revDep)]))
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|         }
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| 
 | |
|         const icon = Array.from(this.mapRendering[0]?.icon?.ExtractImages(true) ?? [])[0]
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|         let iconImg = ""
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|         if (icon !== undefined) {
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|             iconImg = `<img src='https://mapcomplete.osm.be/${icon}' height="100px"> `
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|         }
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| 
 | |
|         let neededTags: TagsFilter[] = [this.source.osmTags]
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|         if (this.source.osmTags["and"] !== undefined) {
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|             neededTags = this.source.osmTags["and"]
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|         }
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| 
 | |
|         let tableRows = Utils.NoNull(this.tagRenderings.map(tr => tr.FreeformValues())
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|             .map(values => {
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|                 if (values == undefined) {
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|                     return undefined
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|                 }
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|                 const embedded: (Link | string)[] = values.values?.map(v => Link.OsmWiki(values.key, v, true)) ?? ["_no preset options defined, or no values in them_"]
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|                 return [
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|                     new Combine([
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|                         new Link(
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|                         "<img src='https://mapcomplete.osm.be/assets/svg/statistics.svg' height='18px'>",
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|                         "https://taginfo.openstreetmap.org/keys/"+values.key+"#values"
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|                     ),Link.OsmWiki(values.key)
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|                     ]),
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|                     values.type === undefined ? "Multiple choice" : new Link(values.type, "../SpecialInputElements.md#" + values.type),
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|                     new Combine(embedded)
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|                 ];
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|             }))
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| 
 | |
|         let quickOverview: BaseUIElement = undefined;
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|         if (tableRows.length > 0) {
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|             quickOverview = new Combine([
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|                 "**Warning** This quick overview is incomplete",
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|                 new Table(["attribute", "type", "values which are supported by this layer"], tableRows)
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|             ]).SetClass("flex-col flex")
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|         }
 | |
| 
 | |
|         return new Combine([
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|             new Combine([
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|                 new Title(this.id, 1),
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|                 iconImg,
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|                 this.description,
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|                 "\n"
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|             ]).SetClass("flex flex-col"),
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|             new List(extraProps),
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|             ...usingLayer,
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| 
 | |
|             new Link("Go to the source code", `../assets/layers/${this.id}/${this.id}.json`),
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| 
 | |
|             new Title("Basic tags for this layer", 2),
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|             "Elements must have the all of following tags to be shown on this layer:",
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|             new List(neededTags.map(t => t.asHumanString(true, false, {}))),
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| 
 | |
|             new Title("Supported attributes", 2),
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|             quickOverview,
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|             ...this.tagRenderings.map(tr => tr.GenerateDocumentation())
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|         ]).SetClass("flex-col")
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|     }
 | |
| 
 | |
|     public CustomCodeSnippets(): string[] {
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|         if (this.calculatedTags === undefined) {
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|             return [];
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|         }
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|         return this.calculatedTags.map((code) => code[1]);
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|     }
 | |
| 
 | |
|     AllTagRenderings(): TagRenderingConfig[] {
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|         return Utils.NoNull([...this.tagRenderings, ...this.titleIcons, this.title, this.isShown])
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|     }
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| 
 | |
|     public ExtractImages(): Set<string> {
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|         const parts: Set<string>[] = [];
 | |
|         parts.push(...this.tagRenderings?.map((tr) => tr.ExtractImages(false)));
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|         parts.push(...this.titleIcons?.map((tr) => tr.ExtractImages(true)));
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|         for (const preset of this.presets) {
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|             parts.push(new Set<string>(preset.description?.ExtractImages(false)));
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|         }
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|         for (const pointRenderingConfig of this.mapRendering) {
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|             parts.push(pointRenderingConfig.ExtractImages())
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|         }
 | |
|         const allIcons = new Set<string>();
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|         for (const part of parts) {
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|             part?.forEach(allIcons.add, allIcons);
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|         }
 | |
| 
 | |
|         return allIcons;
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|     }
 | |
| 
 | |
|     public isLeftRightSensitive(): boolean {
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|         return this.lineRendering.some(lr => lr.leftRightSensitive)
 | |
|     }
 | |
| } |