432 lines
No EOL
16 KiB
TypeScript
432 lines
No EOL
16 KiB
TypeScript
import UserRelatedState from "./UserRelatedState";
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import {Store, Stores, UIEventSource} from "../UIEventSource";
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import BaseLayer from "../../Models/BaseLayer";
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import LayoutConfig from "../../Models/ThemeConfig/LayoutConfig";
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import AvailableBaseLayers from "../Actors/AvailableBaseLayers";
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import Attribution from "../../UI/BigComponents/Attribution";
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import Minimap, {MinimapObj} from "../../UI/Base/Minimap";
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import {Tiles} from "../../Models/TileRange";
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import BaseUIElement from "../../UI/BaseUIElement";
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import FilteredLayer, {FilterState} from "../../Models/FilteredLayer";
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import TilesourceConfig from "../../Models/ThemeConfig/TilesourceConfig";
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import {QueryParameters} from "../Web/QueryParameters";
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import ShowOverlayLayer from "../../UI/ShowDataLayer/ShowOverlayLayer";
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import {FeatureSourceForLayer, Tiled} from "../FeatureSource/FeatureSource";
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import SimpleFeatureSource from "../FeatureSource/Sources/SimpleFeatureSource";
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import {LocalStorageSource} from "../Web/LocalStorageSource";
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import {GeoOperations} from "../GeoOperations";
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import TitleHandler from "../Actors/TitleHandler";
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import {BBox} from "../BBox";
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import LayerConfig from "../../Models/ThemeConfig/LayerConfig";
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import {TiledStaticFeatureSource} from "../FeatureSource/Sources/StaticFeatureSource";
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import {Translation, TypedTranslation} from "../../UI/i18n/Translation";
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import {Tag} from "../Tags/Tag";
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export interface GlobalFilter {
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filter: FilterState,
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id: string,
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onNewPoint: {
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safetyCheck: Translation,
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confirmAddNew: TypedTranslation<{ preset: Translation }>
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tags: Tag[]
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}
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}
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/**
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* Contains all the leaflet-map related state
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*/
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export default class MapState extends UserRelatedState {
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/**
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The leaflet instance of the big basemap
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*/
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public leafletMap = new UIEventSource<any /*L.Map*/>(undefined, "leafletmap");
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/**
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* A list of currently available background layers
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*/
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public availableBackgroundLayers: Store<BaseLayer[]>;
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/**
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* The current background layer
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*/
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public backgroundLayer: UIEventSource<BaseLayer>;
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/**
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* Last location where a click was registered
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*/
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public readonly LastClickLocation: UIEventSource<{
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lat: number;
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lon: number;
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}> = new UIEventSource<{ lat: number; lon: number }>(undefined);
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/**
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* The bounds of the current map view
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*/
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public currentView: FeatureSourceForLayer & Tiled;
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/**
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* The location as delivered by the GPS
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*/
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public currentUserLocation: SimpleFeatureSource;
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/**
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* All previously visited points, with their metadata
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*/
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public historicalUserLocations: SimpleFeatureSource;
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/**
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* The number of seconds that the GPS-locations are stored in memory.
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* Time in seconds
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*/
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public gpsLocationHistoryRetentionTime = new UIEventSource(7 * 24 * 60 * 60, "gps_location_retention")
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/**
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* A featureSource containing a single linestring which has the GPS-history of the user.
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* However, metadata (such as when every single point was visited) is lost here (but is kept in `historicalUserLocations`.
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* Note that this featureSource is _derived_ from 'historicalUserLocations'
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*/
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public historicalUserLocationsTrack: FeatureSourceForLayer & Tiled;
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/**
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* A feature source containing the current home location of the user
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*/
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public homeLocation: FeatureSourceForLayer & Tiled
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public readonly mainMapObject: BaseUIElement & MinimapObj;
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/**
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* Which layers are enabled in the current theme and what filters are applied onto them
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*/
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public filteredLayers: UIEventSource<FilteredLayer[]> = new UIEventSource<FilteredLayer[]>([], "filteredLayers");
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/**
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* Filters which apply onto all layers
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*/
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public globalFilters: UIEventSource<GlobalFilter[]> = new UIEventSource([], "globalFilters")
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/**
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* Which overlays are shown
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*/
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public overlayToggles: { config: TilesourceConfig, isDisplayed: UIEventSource<boolean> }[]
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constructor(layoutToUse: LayoutConfig, options?: { attemptLogin: true | boolean }) {
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super(layoutToUse, options);
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this.availableBackgroundLayers = AvailableBaseLayers.AvailableLayersAt(this.locationControl);
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let defaultLayer = AvailableBaseLayers.osmCarto
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const available = this.availableBackgroundLayers.data;
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for (const layer of available) {
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if (this.backgroundLayerId.data === layer.id) {
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defaultLayer = layer;
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}
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}
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const self = this
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this.backgroundLayer = new UIEventSource<BaseLayer>(defaultLayer)
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this.backgroundLayer.addCallbackAndRunD(layer => self.backgroundLayerId.setData(layer.id))
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const attr = new Attribution(
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this.locationControl,
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this.osmConnection.userDetails,
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this.layoutToUse,
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this.currentBounds
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);
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// Will write into this.leafletMap
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this.mainMapObject = Minimap.createMiniMap({
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background: this.backgroundLayer,
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location: this.locationControl,
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leafletMap: this.leafletMap,
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bounds: this.currentBounds,
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attribution: attr,
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lastClickLocation: this.LastClickLocation
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})
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this.overlayToggles = this.layoutToUse?.tileLayerSources
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?.filter(c => c.name !== undefined)
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?.map(c => ({
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config: c,
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isDisplayed: QueryParameters.GetBooleanQueryParameter("overlay-" + c.id, c.defaultState, "Wether or not the overlay " + c.id + " is shown")
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})) ?? []
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this.filteredLayers = this.InitializeFilteredLayers()
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this.lockBounds()
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this.AddAllOverlaysToMap(this.leafletMap)
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this.initHomeLocation()
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this.initGpsLocation()
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this.initUserLocationTrail()
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this.initCurrentView()
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new TitleHandler(this);
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}
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public AddAllOverlaysToMap(leafletMap: UIEventSource<any>) {
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const initialized = new Set()
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for (const overlayToggle of this.overlayToggles) {
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new ShowOverlayLayer(overlayToggle.config, leafletMap, overlayToggle.isDisplayed)
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initialized.add(overlayToggle.config)
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}
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for (const tileLayerSource of this.layoutToUse?.tileLayerSources ?? []) {
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if (initialized.has(tileLayerSource)) {
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continue
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}
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new ShowOverlayLayer(tileLayerSource, leafletMap)
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}
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}
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private lockBounds() {
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const layout = this.layoutToUse;
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if (!layout?.lockLocation) {
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return;
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}
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console.warn("Locking the bounds to ", layout.lockLocation);
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this.mainMapObject.installBounds(
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new BBox(layout.lockLocation),
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this.featureSwitchIsTesting.data
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)
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}
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private initCurrentView() {
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let currentViewLayer: FilteredLayer = this.filteredLayers.data.filter(l => l.layerDef.id === "current_view")[0]
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if (currentViewLayer === undefined) {
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// This layer is not needed by the theme and thus unloaded
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return;
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}
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let i = 0
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const self = this;
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const features: Store<{ feature: any, freshness: Date }[]> = this.currentBounds.map(bounds => {
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if (bounds === undefined) {
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return []
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}
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i++
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const feature = {
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freshness: new Date(),
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feature: {
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type: "Feature",
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properties: {
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id: "current_view-" + i,
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"current_view": "yes",
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"zoom": "" + self.locationControl.data.zoom
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},
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geometry: {
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type: "Polygon",
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coordinates: [[
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[bounds.maxLon, bounds.maxLat],
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[bounds.minLon, bounds.maxLat],
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[bounds.minLon, bounds.minLat],
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[bounds.maxLon, bounds.minLat],
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[bounds.maxLon, bounds.maxLat],
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]]
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}
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}
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}
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return [feature]
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})
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this.currentView = new TiledStaticFeatureSource(features, currentViewLayer);
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}
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private initGpsLocation() {
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// Initialize the gps layer data. This is emtpy for now, the actual writing happens in the Geolocationhandler
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let gpsLayerDef: FilteredLayer = this.filteredLayers.data.filter(l => l.layerDef.id === "gps_location")[0]
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if (gpsLayerDef === undefined) {
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return
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}
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this.currentUserLocation = new SimpleFeatureSource(gpsLayerDef, Tiles.tile_index(0, 0, 0));
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}
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private initUserLocationTrail() {
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const features = LocalStorageSource.GetParsed<{ feature: any, freshness: Date }[]>("gps_location_history", [])
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const now = new Date().getTime()
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features.data = features.data
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.map(ff => ({feature: ff.feature, freshness: new Date(ff.freshness)}))
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.filter(ff => (now - ff.freshness.getTime()) < 1000 * this.gpsLocationHistoryRetentionTime.data)
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features.ping()
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const self = this;
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let i = 0
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this.currentUserLocation?.features?.addCallbackAndRunD(([location]) => {
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if (location === undefined) {
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return;
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}
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const previousLocation = features.data[features.data.length - 1]
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if (previousLocation !== undefined) {
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const d = GeoOperations.distanceBetween(
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previousLocation.feature.geometry.coordinates,
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location.feature.geometry.coordinates
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)
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let timeDiff = Number.MAX_VALUE // in seconds
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const olderLocation = features.data[features.data.length - 2]
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if (olderLocation !== undefined) {
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timeDiff = (new Date(previousLocation.freshness).getTime() - new Date(olderLocation.freshness).getTime()) / 1000
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}
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if (d < 20 && timeDiff < 60) {
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// Do not append changes less then 20m - it's probably noise anyway
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return;
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}
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}
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const feature = JSON.parse(JSON.stringify(location.feature))
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feature.properties.id = "gps/" + features.data.length
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i++
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features.data.push({feature, freshness: new Date()})
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features.ping()
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})
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let gpsLayerDef: FilteredLayer = this.filteredLayers.data.filter(l => l.layerDef.id === "gps_location_history")[0]
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if (gpsLayerDef !== undefined) {
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this.historicalUserLocations = new SimpleFeatureSource(gpsLayerDef, Tiles.tile_index(0, 0, 0), features);
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this.changes.setHistoricalUserLocations(this.historicalUserLocations)
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}
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const asLine = features.map(allPoints => {
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if (allPoints === undefined || allPoints.length < 2) {
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return []
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}
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const feature = {
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type: "Feature",
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properties: {
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"id": "location_track",
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"_date:now": new Date().toISOString(),
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},
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geometry: {
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type: "LineString",
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coordinates: allPoints.map(ff => ff.feature.geometry.coordinates)
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}
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}
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self.allElements.ContainingFeatures.set(feature.properties.id, feature)
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return [{
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feature,
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freshness: new Date()
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}]
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})
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let gpsLineLayerDef: FilteredLayer = this.filteredLayers.data.filter(l => l.layerDef.id === "gps_track")[0]
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if (gpsLineLayerDef !== undefined) {
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this.historicalUserLocationsTrack = new TiledStaticFeatureSource(asLine, gpsLineLayerDef);
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}
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}
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private initHomeLocation() {
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const empty = []
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const feature = Stores.ListStabilized(this.osmConnection.userDetails.map(userDetails => {
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if (userDetails === undefined) {
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return undefined;
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}
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const home = userDetails.home;
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if (home === undefined) {
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return undefined;
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}
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return [home.lon, home.lat]
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})).map(homeLonLat => {
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if (homeLonLat === undefined) {
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return empty
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}
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return [{
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feature: {
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"type": "Feature",
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"properties": {
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"id": "home",
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"user:home": "yes",
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"_lon": homeLonLat[0],
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"_lat": homeLonLat[1]
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},
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"geometry": {
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"type": "Point",
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"coordinates": homeLonLat
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}
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}, freshness: new Date()
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}]
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})
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const flayer = this.filteredLayers.data.filter(l => l.layerDef.id === "home_location")[0]
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if (flayer !== undefined) {
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this.homeLocation = new TiledStaticFeatureSource(feature, flayer)
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}
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}
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private getPref(key: string, layer: LayerConfig): UIEventSource<boolean> {
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return this.osmConnection
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.GetPreference(key, layer.shownByDefault + "")
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.sync(v => {
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if (v === undefined) {
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return undefined
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}
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return v === "true";
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}, [], b => {
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if (b === undefined) {
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return undefined
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}
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return "" + b;
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})
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}
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private InitializeFilteredLayers() {
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const layoutToUse = this.layoutToUse;
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if (layoutToUse === undefined) {
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return new UIEventSource<FilteredLayer[]>([])
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}
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const flayers: FilteredLayer[] = [];
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for (const layer of layoutToUse.layers) {
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let isDisplayed: UIEventSource<boolean>
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if (layer.syncSelection === "local") {
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isDisplayed = LocalStorageSource.GetParsed(layoutToUse.id + "-layer-" + layer.id + "-enabled", layer.shownByDefault)
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} else if (layer.syncSelection === "theme-only") {
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isDisplayed = this.getPref(layoutToUse.id + "-layer-" + layer.id + "-enabled", layer)
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} else if (layer.syncSelection === "global") {
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isDisplayed = this.getPref("layer-" + layer.id + "-enabled", layer)
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} else {
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isDisplayed = QueryParameters.GetBooleanQueryParameter("layer-" + layer.id, layer.shownByDefault, "Wether or not layer " + layer.id + " is shown")
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}
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const flayer: FilteredLayer = {
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isDisplayed,
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layerDef: layer,
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appliedFilters: new UIEventSource<Map<string, FilterState>>(new Map<string, FilterState>())
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};
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layer.filters.forEach(filterConfig => {
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const stateSrc = filterConfig.initState()
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stateSrc.addCallbackAndRun(state => flayer.appliedFilters.data.set(filterConfig.id, state))
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flayer.appliedFilters.map(dict => dict.get(filterConfig.id))
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.addCallback(state => stateSrc.setData(state))
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})
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flayers.push(flayer);
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}
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for (const layer of layoutToUse.layers) {
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if (layer.filterIsSameAs === undefined) {
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continue
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}
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const toReuse = flayers.find(l => l.layerDef.id === layer.filterIsSameAs)
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if (toReuse === undefined) {
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throw "Error in layer " + layer.id + ": it defines that it should be use the filters of " + layer.filterIsSameAs + ", but this layer was not loaded"
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}
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console.warn("Linking filter and isDisplayed-states of " + layer.id + " and " + layer.filterIsSameAs)
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const selfLayer = flayers.findIndex(l => l.layerDef.id === layer.id)
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flayers[selfLayer] = {
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isDisplayed: toReuse.isDisplayed,
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layerDef: layer,
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appliedFilters: toReuse.appliedFilters
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};
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}
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return new UIEventSource<FilteredLayer[]>(flayers);
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}
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} |