forked from MapComplete/MapComplete
440 lines
17 KiB
TypeScript
440 lines
17 KiB
TypeScript
import {Utils} from "./Utils";
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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 {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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import {MangroveIdentity} from "./Logic/Web/MangroveReviews";
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import InstalledThemes from "./Logic/Actors/InstalledThemes";
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import BaseLayer from "./Models/BaseLayer";
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import Loc from "./Models/Loc";
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import Constants from "./Models/Constants";
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import TitleHandler from "./Logic/Actors/TitleHandler";
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import PendingChangesUploader from "./Logic/Actors/PendingChangesUploader";
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import FeaturePipeline from "./Logic/FeatureSource/FeaturePipeline";
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import FilteredLayer from "./Models/FilteredLayer";
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import ChangeToElementsActor from "./Logic/Actors/ChangeToElementsActor";
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import LayoutConfig from "./Models/ThemeConfig/LayoutConfig";
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import {BBox} from "./Logic/BBox";
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import SelectedElementTagsUpdater from "./Logic/Actors/SelectedElementTagsUpdater";
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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 default 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 readonly layoutToUse : LayoutConfig;
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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 = new ElementStorage();
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/**
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THe change handler
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*/
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public changes: Changes = new Changes();
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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<L.Map>(undefined, "leafletmap");
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/**
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* Background layer id
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*/
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public availableBackgroundLayers: UIEventSource<BaseLayer[]>;
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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 mangroveIdentity: MangroveIdentity;
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public favouriteLayers: UIEventSource<string[]>;
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public filteredLayers: UIEventSource<FilteredLayer[]> = new UIEventSource<FilteredLayer[]>([], "filteredLayers");
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/**
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The latest element that was selected
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*/
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public readonly selectedElement = new UIEventSource<any>(
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undefined,
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"Selected element"
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);
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public readonly featureSwitchUserbadge: UIEventSource<boolean>;
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public readonly featureSwitchSearch: UIEventSource<boolean>;
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public readonly featureSwitchBackgroundSlection: 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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public readonly featureSwitchIsTesting: UIEventSource<boolean>;
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public readonly featureSwitchIsDebugging: UIEventSource<boolean>;
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public readonly featureSwitchShowAllQuestions: UIEventSource<boolean>;
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public readonly featureSwitchApiURL: UIEventSource<string>;
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public readonly featureSwitchFilter: UIEventSource<boolean>;
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public readonly featureSwitchEnableExport: UIEventSource<boolean>;
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public readonly featureSwitchFakeUser: UIEventSource<boolean>;
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public readonly featureSwitchExportAsPdf: UIEventSource<boolean>;
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public readonly overpassUrl: UIEventSource<string[]>;
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public readonly overpassTimeout: UIEventSource<number>;
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public readonly overpassMaxZoom: UIEventSource<number> = new UIEventSource<number>(17, "overpass-max-zoom: point to switch between OSM-api and overpass");
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public featurePipeline: FeaturePipeline;
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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<Loc>(undefined, "locationControl");
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/**
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* The current visible extent of the screen
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*/
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public readonly currentBounds = new UIEventSource<BBox>(undefined)
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public backgroundLayer;
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public readonly backgroundLayerId: UIEventSource<string>;
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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 location as delivered by the GPS
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*/
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public currentGPSLocation: UIEventSource<{
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latlng: { lat: number; lng: number };
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accuracy: number;
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}> = new UIEventSource<{
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latlng: { lat: number; lng: number };
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accuracy: number;
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}>(undefined);
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public layoutDefinition: string;
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public installedThemes: UIEventSource<{ layout: LayoutConfig; definition: string }[]>;
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public downloadControlIsOpened: UIEventSource<boolean> =
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QueryParameters.GetQueryParameter(
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"download-control-toggle",
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"false",
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"Whether or not the download panel is shown"
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).map<boolean>(
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(str) => str !== "false",
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[],
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(b) => "" + b
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);
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public filterIsOpened: UIEventSource<boolean> =
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QueryParameters.GetQueryParameter(
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"filter-toggle",
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"false",
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"Whether or not the filter view is shown"
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).map<boolean>(
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(str) => str !== "false",
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[],
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(b) => "" + b
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);
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public welcomeMessageOpenedTab = QueryParameters.GetQueryParameter(
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"tab",
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"0",
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`The tab that is shown in the welcome-message. 0 = the explanation of the theme,1 = OSM-credits, 2 = sharescreen, 3 = more themes, 4 = about mapcomplete (user must be logged in and have >${Constants.userJourney.mapCompleteHelpUnlock} changesets)`
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).map<number>(
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(str) => (isNaN(Number(str)) ? 0 : Number(str)),
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[],
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(n) => "" + n
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);
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constructor(layoutToUse: LayoutConfig) {
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const self = this;
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this.layoutToUse = layoutToUse;
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// -- Location control initialization
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{
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const zoom = State.asFloat(
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QueryParameters.GetQueryParameter(
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"z",
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"" + (layoutToUse?.startZoom ?? 1),
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"The initial/current zoom level"
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).syncWith(LocalStorageSource.Get("zoom"))
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);
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const lat = State.asFloat(
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QueryParameters.GetQueryParameter(
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"lat",
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"" + (layoutToUse?.startLat ?? 0),
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"The initial/current latitude"
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).syncWith(LocalStorageSource.Get("lat"))
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);
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const lon = State.asFloat(
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QueryParameters.GetQueryParameter(
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"lon",
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"" + (layoutToUse?.startLon ?? 0),
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"The initial/current longitude of the app"
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).syncWith(LocalStorageSource.Get("lon"))
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);
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this.locationControl.setData({
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zoom: Utils.asFloat(zoom.data),
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lat: Utils.asFloat(lat.data),
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lon: Utils.asFloat(lon.data),
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})
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this.locationControl.addCallback((latlonz) => {
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// Sync th location controls
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zoom.setData(latlonz.zoom);
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lat.setData(latlonz.lat);
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lon.setData(latlonz.lon);
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});
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}
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// Helper function to initialize feature switches
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function featSw(
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key: string,
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deflt: (layout: LayoutConfig) => boolean,
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documentation: string
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): UIEventSource<boolean> {
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const defaultValue = deflt(self.layoutToUse);
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const queryParam = QueryParameters.GetQueryParameter(
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key,
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"" + defaultValue,
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documentation
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);
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// It takes the current layout, extracts the default value for this query parameter. A query parameter event source is then retrieved and flattened
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return queryParam.map((str) =>
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str === undefined ? defaultValue : str !== "false"
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)
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}
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// Feature switch initialization - not as a function as the UIEventSources are readonly
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{
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this.featureSwitchUserbadge = featSw(
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"fs-userbadge",
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(layoutToUse) => layoutToUse?.enableUserBadge ?? true,
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"Disables/Enables the user information pill (userbadge) at the top left. Disabling this disables logging in and thus disables editing all together, effectively putting MapComplete into read-only mode."
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);
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this.featureSwitchSearch = featSw(
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"fs-search",
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(layoutToUse) => layoutToUse?.enableSearch ?? true,
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"Disables/Enables the search bar"
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);
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this.featureSwitchBackgroundSlection = featSw(
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"fs-background",
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(layoutToUse) => layoutToUse?.enableBackgroundLayerSelection ?? true,
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"Disables/Enables the background layer control"
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);
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this.featureSwitchFilter = featSw(
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"fs-filter",
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(layoutToUse) => layoutToUse?.enableLayers ?? true,
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"Disables/Enables the filter"
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);
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this.featureSwitchAddNew = featSw(
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"fs-add-new",
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(layoutToUse) => layoutToUse?.enableAddNewPoints ?? true,
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"Disables/Enables the 'add new feature'-popup. (A theme without presets might not have it in the first place)"
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);
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this.featureSwitchWelcomeMessage = featSw(
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"fs-welcome-message",
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() => true,
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"Disables/enables the help menu or welcome message"
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);
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this.featureSwitchIframe = featSw(
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"fs-iframe",
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() => false,
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"Disables/Enables the iframe-popup"
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);
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this.featureSwitchMoreQuests = featSw(
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"fs-more-quests",
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(layoutToUse) => layoutToUse?.enableMoreQuests ?? true,
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"Disables/Enables the 'More Quests'-tab in the welcome message"
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);
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this.featureSwitchShareScreen = featSw(
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"fs-share-screen",
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(layoutToUse) => layoutToUse?.enableShareScreen ?? true,
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"Disables/Enables the 'Share-screen'-tab in the welcome message"
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);
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this.featureSwitchGeolocation = featSw(
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"fs-geolocation",
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(layoutToUse) => layoutToUse?.enableGeolocation ?? true,
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"Disables/Enables the geolocation button"
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);
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this.featureSwitchShowAllQuestions = featSw(
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"fs-all-questions",
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(layoutToUse) => layoutToUse?.enableShowAllQuestions ?? false,
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"Always show all questions"
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);
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this.featureSwitchEnableExport = featSw(
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"fs-export",
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(layoutToUse) => layoutToUse?.enableExportButton ?? false,
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"Enable the export as GeoJSON and CSV button"
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);
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this.featureSwitchExportAsPdf = featSw(
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"fs-pdf",
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(layoutToUse) => layoutToUse?.enablePdfDownload ?? false,
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"Enable the PDF download button"
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);
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this.featureSwitchIsTesting = QueryParameters.GetQueryParameter(
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"test",
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"false",
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"If true, 'dryrun' mode is activated. The app will behave as normal, except that changes to OSM will be printed onto the console instead of actually uploaded to osm.org"
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).map(
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(str) => str === "true",
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[],
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(b) => "" + b
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);
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this.featureSwitchIsDebugging = QueryParameters.GetQueryParameter(
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"debug",
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"false",
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"If true, shows some extra debugging help such as all the available tags on every object"
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).map(
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(str) => str === "true",
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[],
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(b) => "" + b
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);
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this.featureSwitchFakeUser = QueryParameters.GetQueryParameter("fake-user", "false",
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"If true, 'dryrun' mode is activated and a fake user account is loaded")
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.map(str => str === "true", [], b => "" + b);
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this.featureSwitchApiURL = QueryParameters.GetQueryParameter(
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"backend",
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"osm",
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"The OSM backend to use - can be used to redirect mapcomplete to the testing backend when using 'osm-test'"
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);
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this.overpassUrl = QueryParameters.GetQueryParameter("overpassUrl",
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(layoutToUse?.overpassUrl ?? Constants.defaultOverpassUrls).join(",") ,
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"Point mapcomplete to a different overpass-instance. Example: https://overpass-api.de/api/interpreter"
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).map(param => param.split(","), [], urls => urls.join(","))
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this.overpassTimeout = QueryParameters.GetQueryParameter("overpassTimeout",
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"" + layoutToUse?.overpassTimeout,
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"Set a different timeout (in seconds) for queries in overpass")
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.map(str => Number(str), [], n => "" + n)
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this.featureSwitchUserbadge.addCallbackAndRun(userbadge => {
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if (!userbadge) {
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this.featureSwitchAddNew.setData(false)
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}
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})
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}
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{
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// Some other feature switches
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const customCssQP = QueryParameters.GetQueryParameter(
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"custom-css",
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"",
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"If specified, the custom css from the given link will be loaded additionaly"
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);
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if (customCssQP.data !== undefined && customCssQP.data !== "") {
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Utils.LoadCustomCss(customCssQP.data);
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}
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this.backgroundLayerId = QueryParameters.GetQueryParameter(
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"background",
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layoutToUse?.defaultBackgroundId ?? "osm",
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"The id of the background layer to start with"
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);
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}
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if (Utils.runningFromConsole) {
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return;
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}
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this.osmConnection = new OsmConnection({
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changes: this.changes,
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dryRun: this.featureSwitchIsTesting.data,
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fakeUser: this.featureSwitchFakeUser.data,
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allElements: this.allElements,
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oauth_token: QueryParameters.GetQueryParameter(
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"oauth_token",
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undefined,
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"Used to complete the login"
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),
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layoutName: layoutToUse?.id,
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osmConfiguration: <'osm' | 'osm-test'>this.featureSwitchApiURL.data
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})
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new ChangeToElementsActor(this.changes, this.allElements)
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new PendingChangesUploader(this.changes, this.selectedElement);
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new SelectedElementTagsUpdater(this)
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this.mangroveIdentity = new MangroveIdentity(
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this.osmConnection.GetLongPreference("identity", "mangrove")
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);
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this.installedThemes = new InstalledThemes(
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this.osmConnection
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).installedThemes;
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// Important: the favourite layers are initialized _after_ the installed themes, as these might contain an installedTheme
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this.favouriteLayers = LocalStorageSource.Get("favouriteLayers")
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.syncWith(this.osmConnection.GetLongPreference("favouriteLayers"))
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.map(
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(str) => Utils.Dedup(str?.split(";")) ?? [],
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[],
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(layers) => Utils.Dedup(layers)?.join(";")
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);
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Locale.language.syncWith(this.osmConnection.GetPreference("language"));
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Locale.language
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.addCallback((currentLanguage) => {
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const layoutToUse = self.layoutToUse;
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if (layoutToUse === undefined) {
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return;
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}
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if (this.layoutToUse.language.indexOf(currentLanguage) < 0) {
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console.log(
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"Resetting language to",
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layoutToUse.language[0],
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"as",
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currentLanguage,
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" is unsupported"
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);
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// The current language is not supported -> switch to a supported one
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Locale.language.setData(layoutToUse.language[0]);
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}
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})
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.ping();
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new TitleHandler(this);
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}
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private static asFloat(source: UIEventSource<string>): UIEventSource<number> {
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return source.map(
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(str) => {
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let parsed = parseFloat(str);
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return isNaN(parsed) ? undefined : parsed;
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},
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[],
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(fl) => {
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if (fl === undefined || isNaN(fl)) {
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return undefined;
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}
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return ("" + fl).substr(0, 8);
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}
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);
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}
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}
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