210 lines
8.2 KiB
TypeScript
210 lines
8.2 KiB
TypeScript
import {UIElement} from "./UI/UIElement";
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import {Layout} from "./Customizations/Layout";
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import {Utils} from "./Utils";
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import {LayerDefinition, Preset} from "./Customizations/LayerDefinition";
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import {ElementStorage} from "./Logic/ElementStorage";
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import {Changes} from "./Logic/Osm/Changes";
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import {OsmConnection} from "./Logic/Osm/OsmConnection";
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import Locale from "./UI/i18n/Locale";
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import {VariableUiElement} from "./UI/Base/VariableUIElement";
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import Translations from "./UI/i18n/Translations";
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import {CustomLayersState} from "./Logic/CustomLayersState";
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import {FilteredLayer} from "./Logic/FilteredLayer";
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import {LayerUpdater} from "./Logic/LayerUpdater";
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import {UIEventSource} from "./Logic/UIEventSource";
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import {LocalStorageSource} from "./Logic/Web/LocalStorageSource";
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import {QueryParameters} from "./Logic/Web/QueryParameters";
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/**
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* Contains the global state: a bunch of UI-event sources
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*/
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export class State {
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// The singleton of the global state
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public static state: State;
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public static vNumber = "0.0.5d";
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public static runningFromConsole: boolean = false;
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/**
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THe layout to use
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*/
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public readonly layoutToUse = new UIEventSource<Layout>(undefined);
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public layoutDefinition : string;
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/**
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The mapping from id -> UIEventSource<properties>
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*/
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public allElements: ElementStorage;
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/**
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THe change handler
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*/
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public changes: Changes;
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/**
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THe basemap with leaflet instance
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*/
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public bm;
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/**
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The user credentials
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*/
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public osmConnection: OsmConnection;
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public layerUpdater : LayerUpdater;
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public filteredLayers: UIEventSource<FilteredLayer[]> = new UIEventSource<FilteredLayer[]>([])
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public presets: UIEventSource<Preset[]> = new UIEventSource<Preset[]>([])
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/**
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* The message that should be shown at the center of the screen
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*/
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public readonly centerMessage = new UIEventSource<string>("");
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/**
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* The countdown: if set to e.g. ten, it'll start counting down. When reaching zero, changes will be saved. NB: this is implemented later, not in the eventSource
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*/
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public readonly secondsTillChangesAreSaved = new UIEventSource<number>(0);
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/**
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This message is shown full screen on mobile devices
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*/
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public readonly fullScreenMessage = new UIEventSource<UIElement>(undefined);
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/**
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The latest element that was selected - used to generate the right UI at the right place
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*/
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public readonly selectedElement = new UIEventSource<{ feature: any }>(undefined);
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public readonly zoom = QueryParameters.GetQueryParameter("z", undefined)
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.syncWith(LocalStorageSource.Get("zoom"));
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public readonly lat = QueryParameters.GetQueryParameter("lat", undefined)
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.syncWith(LocalStorageSource.Get("lat"));
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public readonly lon = QueryParameters.GetQueryParameter("lon", undefined)
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.syncWith(LocalStorageSource.Get("lon"));
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public readonly featureSwitchUserbadge: UIEventSource<boolean>;
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public readonly featureSwitchSearch: UIEventSource<boolean>;
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public readonly featureSwitchLayers: UIEventSource<boolean>;
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public readonly featureSwitchAddNew: UIEventSource<boolean>;
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public readonly featureSwitchWelcomeMessage: UIEventSource<boolean>;
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public readonly featureSwitchIframe: UIEventSource<boolean>;
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public readonly featureSwitchMoreQuests: UIEventSource<boolean>;
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public readonly featureSwitchShareScreen: UIEventSource<boolean>;
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public readonly featureSwitchGeolocation: UIEventSource<boolean>;
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/**
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* The map location: currently centered lat, lon and zoom
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*/
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public readonly locationControl = new UIEventSource<{ lat: number, lon: number, zoom: number }>(undefined);
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/**
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* The location as delivered by the GPS
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*/
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public currentGPSLocation: UIEventSource<{
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latlng: number,
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accuracy: number
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}> = new UIEventSource<{ latlng: number, accuracy: number }>(undefined);
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/** After this many milliseconds without changes, saves are sent of to OSM
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*/
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public readonly saveTimeout = new UIEventSource<number>(30 * 1000);
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/**
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* Layers can be marked as favourites, they show up in a custom layout
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*/
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public favourteLayers: UIEventSource<string[]> = new UIEventSource<string[]>([])
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constructor(layoutToUse: Layout) {
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this.layoutToUse = new UIEventSource<Layout>(layoutToUse);
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this.locationControl = new UIEventSource<{ lat: number, lon: number, zoom: number }>({
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zoom: Utils.asFloat(this.zoom.data) ?? layoutToUse.startzoom,
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lat: Utils.asFloat(this.lat.data) ?? layoutToUse.startLat,
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lon: Utils.asFloat(this.lon.data) ?? layoutToUse.startLon
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}).addCallback((latlonz) => {
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this.zoom.setData(latlonz.zoom.toString());
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this.lat.setData(latlonz.lat.toString().substr(0, 6));
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this.lon.setData(latlonz.lon.toString().substr(0, 6));
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})
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const self = this;
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function featSw(key: string, deflt: (layout: Layout) => boolean): UIEventSource<boolean> {
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const queryParameterSource = QueryParameters.GetQueryParameter(key, undefined);
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// I'm so sorry about someone trying to decipher this
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// It takes the current layout, extracts the default value for this query paramter. A query parameter event source is then retreived and flattened
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return UIEventSource.flatten(
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self.layoutToUse.map((layout) =>
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QueryParameters.GetQueryParameter(key, "" + deflt(layout)).map((str) => str === undefined ? deflt(layout) : str !== "false")), [queryParameterSource]);
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}
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this.featureSwitchUserbadge = featSw("fs-userbadge", (layoutToUse) => layoutToUse?.enableUserBadge);
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this.featureSwitchSearch = featSw("fs-search", (layoutToUse) => layoutToUse?.enableSearch);
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this.featureSwitchLayers = featSw("fs-layers", (layoutToUse) => layoutToUse?.enableLayers);
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this.featureSwitchAddNew = featSw("fs-add-new", (layoutToUse) => layoutToUse?.enableAdd);
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this.featureSwitchWelcomeMessage = featSw("fs-welcome-message", () => true);
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this.featureSwitchIframe = featSw("fs-iframe", () => false);
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this.featureSwitchMoreQuests = featSw("fs-more-quests", () => layoutToUse?.enableMoreQuests);
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this.featureSwitchShareScreen = featSw("fs-share-screen", () => layoutToUse?.enableShareScreen);
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this.featureSwitchGeolocation = featSw("fs-geolocation", () => layoutToUse?.enableGeolocation);
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this.osmConnection = new OsmConnection(
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QueryParameters.GetQueryParameter("test", "false").data === "true",
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QueryParameters.GetQueryParameter("oauth_token", undefined)
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);
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CustomLayersState.InitFavouriteLayers(this);
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Locale.language.syncWith(this.osmConnection.GetPreference("language"));
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Locale.language.addCallback((currentLanguage) => {
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if (layoutToUse.supportedLanguages.indexOf(currentLanguage) < 0) {
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console.log("Resetting language to", layoutToUse.supportedLanguages[0], "as", currentLanguage, " is unsupported")
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// The current language is not supported -> switch to a supported one
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Locale.language.setData(layoutToUse.supportedLanguages[0]);
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}
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}).ping()
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document.title = Translations.W(layoutToUse.title).InnerRender();
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Locale.language.addCallback(e => {
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document.title = Translations.W(layoutToUse.title).InnerRender();
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})
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this.allElements = new ElementStorage();
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this.changes = new Changes(this);
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if(State.runningFromConsole){
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console.warn("running from console - not initializing map. Assuming test.html");
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return;
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}
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if (document.getElementById("leafletDiv") === null) {
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console.warn("leafletDiv not found - not initializing map. Assuming test.html");
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return;
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}
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}
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public GetFilteredLayerFor(id: string) : FilteredLayer{
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for (const flayer of this.filteredLayers.data) {
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if(flayer.layerDef.id === id){
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return flayer;
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}
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}
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return undefined;
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}
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}
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