More refactoring, stuff kindoff works

InitUiElements.ts

@@ -25,7 +25,6 @@ import AvailableBaseLayers from "./Logic/Actors/AvailableBaseLayers";
 import LayerResetter from "./Logic/Actors/LayerResetter";
 import FullWelcomePaneWithTabs from "./UI/BigComponents/FullWelcomePaneWithTabs";
 import LayerControlPanel from "./UI/BigComponents/LayerControlPanel";
-import FeatureSwitched from "./UI/Base/FeatureSwitched";
 import ShowDataLayer from "./UI/ShowDataLayer";
 import Hash from "./Logic/Web/Hash";
 import FeaturePipeline from "./Logic/FeatureSource/FeaturePipeline";
@@ -39,7 +38,6 @@ import {LayoutConfigJson} from "./Customizations/JSON/LayoutConfigJson";
 import AttributionPanel from "./UI/BigComponents/AttributionPanel";
 import ContributorCount from "./Logic/ContributorCount";
 import FeatureSource from "./Logic/FeatureSource/FeatureSource";
-import {AllKnownLayouts} from "./Customizations/AllKnownLayouts";
 import AllKnownLayers from "./Customizations/AllKnownLayers";
 import LayerConfig from "./Customizations/JSON/LayerConfig";
 
@@ -170,13 +168,14 @@ export class InitUiElements {
                 marker.addTo(State.state.leafletMap.data)
             });
 
-        const geolocationButton = new FeatureSwitched(
+        const geolocationButton = new Toggle(
             new MapControlButton(
                 new GeoLocationHandler(
                     State.state.currentGPSLocation,
                     State.state.leafletMap,
                     State.state.layoutToUse
                 )),
+            undefined,
             State.state.featureSwitchGeolocation);
 
         const plus = new MapControlButton(
@@ -193,7 +192,7 @@ export class InitUiElements {
             State.state.locationControl.ping();
         })
 
-        new Combine([plus, min, geolocationButton].map(el => el.SetClass("m-1")))
+        new Combine([plus, min, geolocationButton].map(el => el.SetClass("m-0.5 md:m-1")))
             .SetClass("flex flex-col")
             .AttachTo("bottom-right");
 
@@ -212,8 +211,6 @@ export class InitUiElements {
         // Reset the loading message once things are loaded
         new CenterMessageBox().AttachTo("centermessage");
 
-        // At last, zoom to the needed location if the focus is on an element
-
 
     }
 

Logic/Actors/GeoLocationHandler.ts

@@ -6,6 +6,8 @@ import Svg from "../../Svg";
 import Img from "../../UI/Base/Img";
 import {LocalStorageSource} from "../Web/LocalStorageSource";
 import LayoutConfig from "../../Customizations/JSON/LayoutConfig";
+import BaseUIElement from "../../UI/BaseUIElement";
+import {VariableUiElement} from "../../UI/Base/VariableUIElement";
 
 export default class GeoLocationHandler extends UIElement {
 
@@ -52,19 +54,19 @@ export default class GeoLocationHandler extends UIElement {
     private readonly _previousLocationGrant: UIEventSource<string> = LocalStorageSource.Get("geolocation-permissions");
     private readonly _layoutToUse: UIEventSource<LayoutConfig>;
 
+
+    private readonly _element: BaseUIElement;
+
     constructor(currentGPSLocation: UIEventSource<{ latlng: any; accuracy: number }>,
                 leafletMap: UIEventSource<L.Map>,
                 layoutToUse: UIEventSource<LayoutConfig>) {
-        super(undefined);
+        super();
         this._currentGPSLocation = currentGPSLocation;
         this._leafletMap = leafletMap;
         this._layoutToUse = layoutToUse;
         this._hasLocation = currentGPSLocation.map((location) => location !== undefined);
-        this.dumbMode = false;
+
         const self = this;
-        import("../../vendor/Leaflet.AccuratePosition.js").then(() => {
-            self.init();
-        })
 
         const currentPointer = this._isActive.map(isActive => {
             if (isActive && !self._hasLocation.data) {
@@ -76,60 +78,34 @@ export default class GeoLocationHandler extends UIElement {
             self.SetClass(pointerClass);
             self.Update()
         })
+        this._element = new VariableUiElement(
+            this._hasLocation.map(hasLocation => {
+
+                if (hasLocation) {
+                    return Svg.crosshair_blue_ui()
+                }
+                if (self._isActive.data) {
+                    return Svg.crosshair_blue_center_ui();
+                }
+                return Svg.crosshair_ui();
+            }, [this._isActive])
+        );
+
+        this.onClick(() => self.init(true))
+
+        self.init(false)
+
     }
 
-    InnerRender(): string {
+
-        if (this._hasLocation.data) {
+    protected InnerRender(): string | BaseUIElement {
-            return Svg.crosshair_blue_img;
+        return this._element
-        }
-        if (this._isActive.data) {
-            return Svg.crosshair_blue_center_img;
     }
 
-        return Svg.crosshair_img;
+    private init(askPermission: boolean) {
-    }
-
-    InnerUpdate(htmlElement: HTMLElement) {
-        super.InnerUpdate(htmlElement);
 
         const self = this;
-        htmlElement.onclick = function () {
-            self.StartGeolocating();
-        }
-
-        htmlElement.oncontextmenu = function (e) {
-            self.StartGeolocating();
-            e.preventDefault();
-            return false;
-        }
-
-    }
-
-    private init() {
-        this.ListenTo(this._hasLocation);
-        this.ListenTo(this._isActive);
-        this.ListenTo(this._permission);
-
-        const self = this;
-
-        function onAccuratePositionProgress(e) {
-            self._currentGPSLocation.setData({latlng: e.latlng, accuracy: e.accuracy});
-        }
-
-        function onAccuratePositionFound(e) {
-            self._currentGPSLocation.setData({latlng: e.latlng, accuracy: e.accuracy});
-        }
-
-        function onAccuratePositionError(e) {
-            console.log("onerror", e.message);
-
-        }
-
         const map = this._leafletMap.data;
-        map.on('accuratepositionprogress', onAccuratePositionProgress);
-        map.on('accuratepositionfound', onAccuratePositionFound);
-        map.on('accuratepositionerror', onAccuratePositionError);
-
 
         this._currentGPSLocation.addCallback((location) => {
             self._previousLocationGrant.setData("granted");
@@ -178,7 +154,9 @@ export default class GeoLocationHandler extends UIElement {
         } catch (e) {
             console.error(e)
         }
-        if (this._previousLocationGrant.data === "granted") {
+        if (askPermission) {
+            self.StartGeolocating(true);
+        } else if (this._previousLocationGrant.data === "granted") {
             this._previousLocationGrant.setData("");
             self.StartGeolocating(false);
         }

Logic/Actors/TitleHandler.ts

@@ -2,12 +2,9 @@ import {UIEventSource} from "../UIEventSource";
 import LayoutConfig from "../../Customizations/JSON/LayoutConfig";
 import Translations from "../../UI/i18n/Translations";
 import Locale from "../../UI/i18n/Locale";
-import {UIElement} from "../../UI/UIElement";
 import TagRenderingAnswer from "../../UI/Popup/TagRenderingAnswer";
 import {ElementStorage} from "../ElementStorage";
 import Combine from "../../UI/Base/Combine";
-import BaseUIElement from "../../UI/BaseUIElement";
-import {FixedUiElement} from "../../UI/Base/FixedUiElement";
 
 class TitleElement extends UIEventSource<string> {
     
@@ -42,7 +39,8 @@ class TitleElement extends UIEventSource<string> {
                             continue;
                         }
                         if (layer.source.osmTags.matchesProperties(tags)) {
-                            const title = new TagRenderingAnswer(tags, layer.title)
+                            const tagsSource = allElementsStorage.getEventSourceById(tags.id)
+                            const title = new TagRenderingAnswer(tagsSource, layer.title)
                             return new Combine([defaultTitle, " | ", title]).ConstructElement().innerText;
                         }
                     }

Logic/Osm/OsmConnection.ts

@@ -24,6 +24,7 @@ export class OsmConnection {
 
     public auth;
     public userDetails: UIEventSource<UserDetails>;
+    public isLoggedIn: UIEventSource<boolean>
     _dryRun: boolean;
 
     public preferencesHandler: OsmPreferences;
@@ -42,6 +43,7 @@ export class OsmConnection {
 
         this.userDetails = new UIEventSource<UserDetails>(new UserDetails(), "userDetails");
         this.userDetails.data.dryRun = dryRun;
+        this.isLoggedIn = this.userDetails.map(user => user.loggedIn)
         this._dryRun = dryRun;
         
         this.updateAuthObject();

State.ts

@@ -70,10 +70,6 @@ export default class State {
         readonly  layerDef: LayerConfig;
     }[]>([])
 
-    /**
-     *  The message that should be shown at the center of the screen
-     */
-    public readonly centerMessage = new UIEventSource<string>("");
 
     /**
      The latest element that was selected

UI/Base/Button.ts

@@ -1,9 +1,10 @@
 import {UIElement} from "../UIElement";
 import Locale from "../i18n/Locale";
 import Translations from "../i18n/Translations";
+import BaseUIElement from "../BaseUIElement";
 
 export class Button extends UIElement {
-    private _text: UIElement;
+    private _text: BaseUIElement;
     private _onclick: () => void;
     private _clss: string;
 

UI/Base/FeatureSwitched.ts

@@ -1,22 +0,0 @@
-import {UIElement} from "../UIElement";
-import {UIEventSource} from "../../Logic/UIEventSource";
-
-export default class FeatureSwitched extends UIElement{
-    private readonly _upstream: UIElement;
-    private readonly _swtch: UIEventSource<boolean>;
-    
-    constructor(upstream :UIElement,
-                swtch: UIEventSource<boolean>) {
-        super(swtch);
-        this._upstream = upstream;
-        this._swtch = swtch;
-    }
-    
-    InnerRender(): UIElement | string {
-        if(this._swtch.data){
-            return this._upstream.Render();
-        }
-        return undefined;
-    }
-    
-}

UI/Base/FixedUiElement.ts

@@ -1,10 +1,11 @@
 import {UIElement} from "../UIElement";
+import BaseUIElement from "../BaseUIElement";
 
-export class FixedUiElement extends UIElement {
+export class FixedUiElement extends BaseUIElement {
     private _html: string;
 
     constructor(html: string) {
-        super(undefined);
+        super();
         this._html = html ?? "";
     }
     
@@ -12,4 +13,10 @@ export class FixedUiElement extends UIElement {
         return this._html;
     }
 
+    protected InnerConstructElement(): HTMLElement {
+        const e = document.createElement("span")
+        e.innerHTML = this._html
+        return e;
+    }
+
 }

UI/Base/Img.ts

@@ -23,6 +23,9 @@ export default class Img extends BaseUIElement {
     protected InnerConstructElement(): HTMLElement {
         const el = document.createElement("img")
         el.src = this._src;
+        el.onload = () => {
+            el.style.opacity = "1"
+        }
         return el;
     }
 }

UI/Base/LazyElement.ts

@@ -1,36 +0,0 @@
-import {UIElement} from "../UIElement";
-
-export default class LazyElement extends UIElement {
-
-
-    public Activate: () => void;
-    private _content: UIElement = undefined;
-    private readonly _loadingContent: string;
-
-    constructor(content: (() => UIElement), loadingContent = "Rendering...") {
-        super();
-        this._loadingContent = loadingContent;
-        this.dumbMode = false;
-        const self = this;
-        this.Activate = () => {
-            if (this._content === undefined) {
-                self._content = content();
-            }
-            self.Update();
-            // @ts-ignore
-            if (this._content.Activate) {
-                // THis is ugly - I know
-                // @ts-ignore
-                this._content.Activate();
-            }
-        }
-    }
-
-    InnerRender(): string {
-        if (this._content === undefined) {
-            return this._loadingContent;
-        }
-        return this._content.Render();
-    }
-
-}

UI/Base/Link.ts

@@ -6,18 +6,18 @@ import {UIEventSource} from "../../Logic/UIEventSource";
 export default class Link extends BaseUIElement {
     private readonly _element: HTMLElement;
 
-    constructor(embeddedShow: BaseUIElement | string, target: string | UIEventSource<string>, newTab: boolean = false) {
+    constructor(embeddedShow: BaseUIElement | string, href: string | UIEventSource<string>, newTab: boolean = false) {
         super();
         const _embeddedShow = Translations.W(embeddedShow);
 
 
         const el = document.createElement("a")
         
-        if(typeof target === "string"){
+        if(typeof href === "string"){
-            el.href = target
+            el.href = href
         }else{
-            target.addCallbackAndRun(target => {
+            href.addCallbackAndRun(href => {
-                el.target = target;
+                el.href = href;
             })
         }
         if (newTab) {

UI/Base/Ornament.ts

@@ -1,7 +1,4 @@
 import {UIElement} from "../UIElement";
-import {UIEventSource} from "../../Logic/UIEventSource";
-import Svg from "../../Svg";
-import State from "../../State";
 
 export default class Ornament extends UIElement {
 

UI/Base/PageSplit.ts

@@ -1,20 +0,0 @@
-import {UIElement} from "../UIElement";
-
-export default class PageSplit extends UIElement{
-    private _left: UIElement;
-    private _right: UIElement;
-    private _leftPercentage: number;
-    
-    constructor(left: UIElement, right:UIElement,
-                leftPercentage: number = 50) {
-        super();
-        this._left = left;
-        this._right = right;
-        this._leftPercentage = leftPercentage;
-    }
-    
-    InnerRender(): string {
-        return `<span class="page-split" style="height: min-content"><span style="flex:0 0 ${this._leftPercentage}%">${this._left.Render()}</span><span style="flex: 0 0 ${100-this._leftPercentage}%">${this._right.Render()}</span></span>`;
-    }
-    
-}

UI/Base/SubtleButton.ts

@@ -4,18 +4,21 @@ import BaseUIElement from "../BaseUIElement";
 import Link from "./Link";
 import Img from "./Img";
 import {UIEventSource} from "../../Logic/UIEventSource";
+import {UIElement} from "../UIElement";
 
 
-export class SubtleButton extends Combine {
+export class SubtleButton extends UIElement {
+
+    private readonly _element: BaseUIElement
 
     constructor(imageUrl: string | BaseUIElement, message: string | BaseUIElement, linkTo: { url: string | UIEventSource<string>, newTab?: boolean } = undefined) {
-        super(SubtleButton.generateContent(imageUrl, message, linkTo));
+        super();
-
+        this._element = SubtleButton.generateContent(imageUrl, message, linkTo)
         this.SetClass("block flex p-3 my-2 bg-blue-100 rounded-lg hover:shadow-xl hover:bg-blue-200 link-no-underline")
 
     }
 
-    private static generateContent(imageUrl: string | BaseUIElement, messageT: string | BaseUIElement, linkTo: { url: string | UIEventSource<string>, newTab?: boolean } = undefined): (BaseUIElement   )[] {
+    private static generateContent(imageUrl: string | BaseUIElement, messageT: string | BaseUIElement, linkTo: { url: string | UIEventSource<string>, newTab?: boolean } = undefined): BaseUIElement {
         const message = Translations.W(messageT);
         let img;
         if ((imageUrl ?? "") === "") {
@@ -30,15 +33,14 @@ export class SubtleButton extends Combine {
             .SetClass("flex-shrink-0");
 
         if (linkTo == undefined) {
-            return [
+            return new Combine([
                 image,
                 message,
-            ];
+            ]);
         }
 
 
-        return [
+        return new Link(
-            new Link(
             new Combine([
                 image,
                 message?.SetClass("block ml-4 overflow-ellipsis")
@@ -46,8 +48,10 @@ export class SubtleButton extends Combine {
             linkTo.url,
             linkTo.newTab ?? false
         )
-        ];
+    }
 
+    protected InnerRender(): string | BaseUIElement {
+        return this._element;
     }
 
 

UI/Base/TabbedComponent.ts

@@ -1,41 +1,33 @@
-import {UIElement} from "../UIElement";
 import Translations from "../i18n/Translations";
 import {UIEventSource} from "../../Logic/UIEventSource";
 import Combine from "./Combine";
+import BaseUIElement from "../BaseUIElement";
+import {VariableUiElement} from "./VariableUIElement";
 
-export class TabbedComponent extends UIElement {
+export class TabbedComponent extends Combine {
 
-    private readonly header: UIElement;
+    constructor(elements: { header: BaseUIElement | string, content: BaseUIElement | string }[], openedTab: (UIEventSource<number> | number) = 0) {
-    private content: UIElement[] = [];
 
-    constructor(elements: { header: UIElement | string, content: UIElement | string }[], openedTab: (UIEventSource<number> | number) = 0) {
+        const openedTabSrc = typeof (openedTab) === "number" ? new UIEventSource(openedTab) : (openedTab ?? new UIEventSource<number>(0))
-        super(typeof (openedTab) === "number" ? new UIEventSource(openedTab) : (openedTab ?? new UIEventSource<number>(0)));
-        const self = this;
-        const tabs: UIElement[] = []
             
+        const tabs: BaseUIElement[] = []
+        const contentElements: BaseUIElement[] = [];
         for (let i = 0; i < elements.length; i++) {
             let element = elements[i];
-            const header = Translations.W(element.header).onClick(() => self._source.setData(i))
+            const header = Translations.W(element.header).onClick(() => openedTabSrc.setData(i))
             const content = Translations.W(element.content)
-            this.content.push(content);
+            content.SetClass("tab-content")
-            if (!this.content[i].IsEmpty()) {
+            contentElements.push(content);
             const tab = header.SetClass("block tab-single-header")
             tabs.push(tab)
         }
-        }
-
-        this.header = new Combine(tabs).SetClass("block tabs-header-bar")
 
+        const header = new Combine(tabs).SetClass("block tabs-header-bar")
+        const actualContent = new VariableUiElement(
+            openedTabSrc.map(i => contentElements[i])
+        )
+        super([header, actualContent])
 
     }
 
-    InnerRender(): UIElement {
-
-        const content = this.content[this._source.data];
-        return new Combine([
-            this.header,
-            content.SetClass("tab-content"),
-        ])
-    }
-
 }

UI/BaseUIElement.ts

@@ -56,16 +56,18 @@ export default abstract class BaseUIElement {
     }
     /**
      * Adds all the relevant classes, space seperated
-     * @param clss
-     * @constructor
      */
     public SetClass(clss: string) {
         const all = clss.split(" ").map(clsName => clsName.trim());
         let recordedChange = false;
-        for (const c of all) {
+        for (let c of all) {
+            c = c.trim();
             if (this.clss.has(clss)) {
                 continue;
             }
+            if(c === undefined || c === ""){
+                continue;
+            }
             this.clss.add(c);
             recordedChange = true;
         }

UI/BigComponents/Attribution.ts

@@ -1,4 +1,3 @@
-import {UIElement} from "../UIElement";
 import Link from "../Base/Link";
 import Svg from "../../Svg";
 import Combine from "../Base/Combine";
@@ -8,67 +7,57 @@ import Constants from "../../Models/Constants";
 import LayoutConfig from "../../Customizations/JSON/LayoutConfig";
 import Loc from "../../Models/Loc";
 import * as L from "leaflet"
+import {VariableUiElement} from "../Base/VariableUIElement";
 
 /**
  * The bottom right attribution panel in the leaflet map
  */
-export default class Attribution extends UIElement {
+export default class Attribution extends Combine {
-
-    private readonly _location: UIEventSource<Loc>;
-    private readonly _layoutToUse: UIEventSource<LayoutConfig>;
-    private readonly _userDetails: UIEventSource<UserDetails>;
-    private readonly _leafletMap: UIEventSource<L.Map>;
 
     constructor(location: UIEventSource<Loc>,
                 userDetails: UIEventSource<UserDetails>,
                 layoutToUse: UIEventSource<LayoutConfig>,
                 leafletMap: UIEventSource<L.Map>) {
-        super(location);
-        this._layoutToUse = layoutToUse;
-        this.ListenTo(layoutToUse);
-        this._userDetails = userDetails;
-        this._leafletMap = leafletMap;
-        this.ListenTo(userDetails);
-        this._location = location;
-        this.SetClass("map-attribution");
-    }
-
-    InnerRender(): string {
-        const location: Loc = this._location?.data;
-        const userDetails = this._userDetails?.data;
        
         const mapComplete = new Link(`Mapcomplete ${Constants.vNumber}`, 'https://github.com/pietervdvn/MapComplete', true);
-        const reportBug = new Link(Svg.bug_img, "https://github.com/pietervdvn/MapComplete/issues", true);
+        const reportBug = new Link(Svg.bug_ui().SetClass("small-image"), "https://github.com/pietervdvn/MapComplete/issues", true);
 
-        const layoutId = this._layoutToUse?.data?.id;
+        const layoutId = layoutToUse?.data?.id;
         const osmChaLink = `https://osmcha.org/?filters=%7B%22comment%22%3A%5B%7B%22label%22%3A%22%23${layoutId}%22%2C%22value%22%3A%22%23${layoutId}%22%7D%5D%2C%22date__gte%22%3A%5B%7B%22label%22%3A%222020-07-05%22%2C%22value%22%3A%222020-07-05%22%7D%5D%2C%22editor%22%3A%5B%7B%22label%22%3A%22MapComplete%22%2C%22value%22%3A%22MapComplete%22%7D%5D%7D`
-        const stats = new Link(Svg.statistics_img, osmChaLink, true)
+        const stats = new Link(Svg.statistics_ui().SetClass("small-image"), osmChaLink, true)
-        let editHere: (UIElement | string) = "";
-        let mapillary: UIElement = undefined;
-        if (location !== undefined) {
-            const idLink = `https://www.openstreetmap.org/edit?editor=id#map=${location.zoom}/${location.lat}/${location.lon}`
-            editHere = new Link(Svg.pencil_img, idLink, true);
 
-            const mapillaryLink: string = `https://www.mapillary.com/app/?focus=map&lat=${location.lat}&lng=${location.lon}&z=${Math.max(location.zoom - 1, 1)}`;
-            mapillary = new Link(Svg.mapillary_black_img, mapillaryLink, true);
 
+        const idLink = location.map(location =>  `https://www.openstreetmap.org/edit?editor=id#map=${location?.zoom ?? 0}/${location?.lat ?? 0}/${location?.lon ?? 0}`)
+        const editHere = new Link(Svg.pencil_ui().SetClass("small-image"), idLink, true)
+
+        const mapillaryLink = location.map(location => `https://www.mapillary.com/app/?focus=map&lat=${location?.lat ?? 0}&lng=${location?.lon ?? 0}&z=${Math.max((location?.zoom ?? 2) - 1, 1)}`)
+        const mapillary = new Link(Svg.mapillary_black_ui().SetClass("small-image"), mapillaryLink, true);
+
+
+
+        let editWithJosm = new VariableUiElement(
+            userDetails.map(userDetails => {
+
+                    if (userDetails.csCount >= Constants.userJourney.tagsVisibleAndWikiLinked) {
+                        return undefined;
+                    }
+                    const bounds: any = leafletMap?.data?.getBounds();
+                    if(bounds === undefined){
+                        return undefined
                     }
-
-
-        let editWithJosm: (UIElement | string) = ""
-        if (location !== undefined &&
-            this._leafletMap?.data !== undefined &&
-            userDetails.csCount >= Constants.userJourney.tagsVisibleAndWikiLinked) {
-            const bounds: any = this._leafletMap.data.getBounds();
                     const top = bounds.getNorth();
                     const bottom = bounds.getSouth();
                     const right = bounds.getEast();
                     const left = bounds.getWest();
 
                     const josmLink = `http://127.0.0.1:8111/load_and_zoom?left=${left}&right=${right}&top=${top}&bottom=${bottom}`
-            editWithJosm = new Link(Svg.josm_logo_img, josmLink, true);
+                    return new Link(Svg.josm_logo_ui().SetClass("small-image"), josmLink, true);
-        }
+                },
-        return new Combine([mapComplete, reportBug, stats, editHere, editWithJosm, mapillary]).Render();
+                [location]
+            )
+        )
+        super([mapComplete, reportBug, stats, editHere, editWithJosm, mapillary]);
+
     }
 
 

UI/BigComponents/AttributionPanel.ts

@@ -10,8 +10,8 @@ import SmallLicense from "../../Models/smallLicense";
 import {Utils} from "../../Utils";
 import Link from "../Base/Link";
 import {VariableUiElement} from "../Base/VariableUIElement";
-import {UIElement} from "../UIElement";
 import * as contributors from "../../assets/contributors.json"
+import BaseUIElement from "../BaseUIElement";
 
 /**
  * The attribution panel shown on mobile
@@ -26,7 +26,7 @@ export default class AttributionPanel extends Combine {
             ((layoutToUse.data.maintainer ?? "") == "") ? "" : Translations.t.general.attribution.themeBy.Subs({author: layoutToUse.data.maintainer}),
             layoutToUse.data.credits,
             "<br/>",
-            new Attribution(undefined, undefined, State.state.layoutToUse, undefined),
+            new Attribution(State.state.locationControl, State.state.osmConnection.userDetails, State.state.layoutToUse, State.state.leafletMap),
             "<br/>",
 
             new VariableUiElement(contributions.map(contributions => {
@@ -66,7 +66,7 @@ export default class AttributionPanel extends Combine {
         this.SetStyle("max-width: calc(100vw - 5em); width: 40em;")
     }
 
-    private static CodeContributors(): UIElement {
+    private static CodeContributors(): BaseUIElement {
 
         const total = contributors.contributors.length;
         let filtered = contributors.contributors
@@ -87,7 +87,7 @@ export default class AttributionPanel extends Combine {
         });
     }
 
-    private static IconAttribution(iconPath: string): UIElement {
+    private static IconAttribution(iconPath: string): BaseUIElement {
         if (iconPath.startsWith("http")) {
             iconPath = "." + new URL(iconPath).pathname;
         }

UI/BigComponents/BackgroundSelector.ts

@@ -1,39 +1,35 @@
-import {UIElement} from "../UIElement";
 import {DropDown} from "../Input/DropDown";
 import Translations from "../i18n/Translations";
 import State from "../../State";
-import {UIEventSource} from "../../Logic/UIEventSource";
 import BaseLayer from "../../Models/BaseLayer";
-import BaseUIElement from "../BaseUIElement";
+import {VariableUiElement} from "../Base/VariableUIElement";
 
-export default class BackgroundSelector extends UIElement {
+export default class BackgroundSelector extends VariableUiElement {
-
-    private _dropdown: BaseUIElement;
-    private readonly _availableLayers: UIEventSource<BaseLayer[]>;
 
     constructor() {
-        super();
+        const available = State.state.availableBackgroundLayers.map(available => {
-        const self = this;
-        this._availableLayers = State.state.availableBackgroundLayers;
-        this._availableLayers.addCallbackAndRun(available => self.CreateDropDown(available));
-    }
-
-    private CreateDropDown(available) {
-        if(available.length === 0){
-            return;
-        }
-        
                 const baseLayers: { value: BaseLayer, shown: string }[] = [];
                 for (const i in available) {
+                    if(!available.hasOwnProperty(i)){
+                        continue;
+                    }
                     const layer: BaseLayer = available[i];
                     baseLayers.push({value: layer, shown: layer.name ?? "id:" + layer.id});
                 }
-
+                return baseLayers
-        this._dropdown = new DropDown(Translations.t.general.backgroundMap, baseLayers, State.state.backgroundLayer);
             }
+        )
+
+        super(
+            available.map(baseLayers => {
+                    if (baseLayers.length <= 1) {
+                        return undefined;
+                    }
+                    return new DropDown(Translations.t.general.backgroundMap, baseLayers, State.state.backgroundLayer)
+                }
+            )
+        )
 
-    InnerRender(): BaseUIElement {
-        return this._dropdown;
     }
 
 }

UI/BigComponents/Basemap.ts

@@ -1,8 +1,8 @@
 import * as L from "leaflet"
 import {UIEventSource} from "../../Logic/UIEventSource";
 import Loc from "../../Models/Loc";
-import {UIElement} from "../UIElement";
 import BaseLayer from "../../Models/BaseLayer";
+import BaseUIElement from "../BaseUIElement";
 
 export class Basemap {
 
@@ -13,13 +13,12 @@ export class Basemap {
                 location: UIEventSource<Loc>,
                 currentLayer: UIEventSource<BaseLayer>,
                 lastClickLocation: UIEventSource<{ lat: number, lon: number }>,
-                extraAttribution: UIElement) {
+                extraAttribution: BaseUIElement) {
         this.map = L.map(leafletElementId, {
             center: [location.data.lat ?? 0, location.data.lon ?? 0],
             zoom: location.data.zoom ?? 2,
             layers: [currentLayer.data.layer],
-            zoomControl: false
+            zoomControl: false,
-            
         });
 
         L.control.scale(
@@ -36,7 +35,9 @@ export class Basemap {
             [[-100, -200], [100, 200]]
         );
         this.map.attributionControl.setPrefix(
-            extraAttribution.Render() + " | <a href='https://osm.org'>OpenStreetMap</a>");
+            "<span id='leaflet-attribution'></span> | <a href='https://osm.org'>OpenStreetMap</a>");
+
+        extraAttribution.AttachTo('leaflet-attribution')
         
         const self = this;
 

UI/BigComponents/FullWelcomePaneWithTabs.ts

@@ -16,21 +16,14 @@ import {UIEventSource} from "../../Logic/UIEventSource";
 import LayoutConfig from "../../Customizations/JSON/LayoutConfig";
 import UserDetails from "../../Logic/Osm/OsmConnection";
 import ScrollableFullScreen from "../Base/ScrollableFullScreen";
+import BaseUIElement from "../BaseUIElement";
 
-export default class FullWelcomePaneWithTabs extends UIElement {
+export default class FullWelcomePaneWithTabs extends ScrollableFullScreen {
-    private readonly _layoutToUse: UIEventSource<LayoutConfig>;
-    private readonly _userDetails: UIEventSource<UserDetails>;
 
-    private readonly _component: UIElement;
 
     constructor(isShown: UIEventSource<boolean>) {
-        super(State.state.layoutToUse);
+        const layoutToUse = State.state.layoutToUse.data;
-        this._layoutToUse = State.state.layoutToUse;
+        super (
-        this._userDetails = State.state.osmConnection.userDetails;
-        const layoutToUse = this._layoutToUse.data;
-      
-
-        this._component = new ScrollableFullScreen(
             () => layoutToUse.title.Clone(),
             () => FullWelcomePaneWithTabs.GenerateContents(layoutToUse, State.state.osmConnection.userDetails),
             "welcome" ,isShown
@@ -43,11 +36,11 @@ export default class FullWelcomePaneWithTabs extends UIElement {
         if (layoutToUse.id === personal.id) {
             welcome = new PersonalLayersPanel();
         }
-        const tabs = [
+        const tabs : {header: string | BaseUIElement, content: BaseUIElement}[] = [
             {header: `<img src='${layoutToUse.icon}'>`, content: welcome},
             {
                 header: Svg.osm_logo_img,
-                content: Translations.t.general.openStreetMapIntro.Clone().SetClass("link-underline") as UIElement
+                content: Translations.t.general.openStreetMapIntro.Clone().SetClass("link-underline")
             },
 
         ]
@@ -71,18 +64,13 @@ export default class FullWelcomePaneWithTabs extends UIElement {
                     if (userdetails.csCount < Constants.userJourney.mapCompleteHelpUnlock) {
                         return ""
                     }
-                    return new Combine([Translations.t.general.aboutMapcomplete, "<br/>Version " + Constants.vNumber]).SetClass("link-underline").Render();
+                    return new Combine([Translations.t.general.aboutMapcomplete, "<br/>Version " + Constants.vNumber]).SetClass("link-underline");
                 }, [Locale.language]))
             }
         );
 
-        return new TabbedComponent(tabs, State.state.welcomeMessageOpenedTab)
+        return new TabbedComponent(tabs, State.state.welcomeMessageOpenedTab);
-            .ListenTo(userDetails);
     }
 
-    InnerRender(): UIElement {
-        return this._component;
-
-    }
 
 }

UI/BigComponents/LayerSelection.ts

@@ -1,49 +1,36 @@
 import {UIEventSource} from "../../Logic/UIEventSource";
-import {UIElement} from "../UIElement";
 import {VariableUiElement} from "../Base/VariableUIElement";
 import State from "../../State";
 import Toggle from "../Input/Toggle";
 import Combine from "../Base/Combine";
-import {FixedUiElement} from "../Base/FixedUiElement";
 import Translations from "../i18n/Translations";
 import LayerConfig from "../../Customizations/JSON/LayerConfig";
+import BaseUIElement from "../BaseUIElement";
 
 /**
  * Shows the panel with all layers and a toggle for each of them
  */
-export default class LayerSelection extends UIElement {
+export default class LayerSelection extends Combine {
 
-    private _checkboxes: UIElement[];
-    private activeLayers: UIEventSource<{
-        readonly isDisplayed: UIEventSource<boolean>,
-        readonly layerDef: LayerConfig;
-    }[]>;
 
     constructor(activeLayers: UIEventSource<{
         readonly isDisplayed: UIEventSource<boolean>,
         readonly layerDef: LayerConfig;
     }[]>) {
-        super(activeLayers);
+
         if (activeLayers === undefined) {
             throw "ActiveLayers should be defined..."
         }
-        this.activeLayers = activeLayers;
 
-    }
 
-    InnerRender(): string {
+        const checkboxes: BaseUIElement[] = [];
 
-        this._checkboxes = [];
+        for (const layer of activeLayers.data) {
-
-        for (const layer of this.activeLayers.data) {
             const leafletStyle = layer.layerDef.GenerateLeafletStyle(
                 new UIEventSource<any>({id: "node/-1"}),
                 false)
-            const leafletHtml = leafletStyle.icon.html;
+            const icon = new Combine([leafletStyle.icon.html]).SetClass("single-layer-selection-toggle")
-            const icon =
+            let iconUnselected: BaseUIElement = new Combine([leafletStyle.icon.html])
-                new FixedUiElement(leafletHtml.Render())
-                    .SetClass("single-layer-selection-toggle")
-            let iconUnselected: UIElement = new FixedUiElement(leafletHtml.Render())
                 .SetClass("single-layer-selection-toggle")
                 .SetStyle("opacity:0.2;");
 
@@ -59,13 +46,12 @@ export default class LayerSelection extends UIElement {
                     return Translations.t.general.layerSelection.zoomInToSeeThisLayer
                         .SetClass("alert")
                         .SetStyle("display: block ruby;width:min-content;")
-                        .Render();
                 }
                 return ""
             }))
             const style = "display:flex;align-items:center;"
             const styleWhole = "display:flex; flex-wrap: wrap"
-            this._checkboxes.push(new Toggle(
+            checkboxes.push(new Toggle(
                 new Combine([new Combine([icon, name]).SetStyle(style), zoomStatus])
                     .SetStyle(styleWhole),
                 new Combine([new Combine([iconUnselected, "<del>", name, "</del>"]).SetStyle(style), zoomStatus])
@@ -76,9 +62,8 @@ export default class LayerSelection extends UIElement {
         }
 
 
-        return new Combine(this._checkboxes)
+        super(checkboxes)
-            .SetStyle("display:flex;flex-direction:column;")
+        this.SetStyle("display:flex;flex-direction:column;")
-            .Render();
-    }
 
     }
+}

UI/BigComponents/MoreScreen.ts

@@ -132,8 +132,16 @@ export default class MoreScreen extends Combine {
             linkSuffix = `#${customThemeDefinition}`
         }
 
-        const linkText = currentLocation.map(currentLocation => 
+        const linkText = currentLocation.map(currentLocation => {
-            `${linkPrefix}z=${currentLocation.zoom ?? 1}&lat=${currentLocation.lat ?? 0}&lon=${currentLocation.lon ?? 0}${linkSuffix}`)
+            const params = [
+                ["z", currentLocation?.zoom],
+                ["lat", currentLocation?.lat],
+                ["lon",currentLocation?.lon]
+            ].filter(part => part[1] !== undefined)
+                .map(part => part[0]+"="+part[1])
+                .join("&")
+            return `${linkPrefix}${params}${linkSuffix}`;
+        })
 
   
        

UI/BigComponents/PersonalLayersPanel.ts

@@ -7,12 +7,13 @@ import State from "../../State";
 import Combine from "../Base/Combine";
 import Toggle from "../Input/Toggle";
 import {SubtleButton} from "../Base/SubtleButton";
-import {FixedUiElement} from "../Base/FixedUiElement";
 import Translations from "../i18n/Translations";
 import * as personal from "../../assets/themes/personalLayout/personalLayout.json"
 import Locale from "../i18n/Locale";
+import BaseUIElement from "../BaseUIElement";
+
 export default class PersonalLayersPanel extends UIElement {
-    private checkboxes: UIElement[] = [];
+    private checkboxes: BaseUIElement[] = [];
 
     constructor() {
         super(State.state.favouriteLayers);
@@ -60,9 +61,9 @@ export default class PersonalLayersPanel extends UIElement {
                 if (typeof layer === "string") {
                     continue;
                 }
-                let icon :UIElement = layer.GenerateLeafletStyle(new UIEventSource<any>({id:"node/-1"}), false).icon.html
+                let icon :BaseUIElement = layer.GenerateLeafletStyle(new UIEventSource<any>({id:"node/-1"}), false).icon.html
                     ?? Svg.checkmark_svg();
-                let iconUnset =new FixedUiElement(icon.Render());
+                let iconUnset =new Combine([icon]);
                 icon.SetClass("single-layer-selection-toggle")
                 iconUnset.SetClass("single-layer-selection-toggle")
 
@@ -121,17 +122,17 @@ export default class PersonalLayersPanel extends UIElement {
 
     }
 
-    InnerRender(): string {
+    InnerRender(): BaseUIElement {
         const t = Translations.t.favourite;
-        const userDetails = State.state.osmConnection.userDetails.data;
+        return new Toggle(
-        if(!userDetails.loggedIn){
+            new Combine([
-            return t.loginNeeded.Render();
-        }
-
-        return new Combine([
                 t.panelIntro,
                 ...this.checkboxes
-        ]).Render();
+            ]),
+            t.loginNeeded,
+            State.state.osmConnection.isLoggedIn
+            
+        )
     }
 
 

UI/BigComponents/SearchAndGo.ts

@@ -1,6 +1,5 @@
 import Locale from "../i18n/Locale";
 import {UIEventSource} from "../../Logic/UIEventSource";
-import {UIElement} from "../UIElement";
 import {Translation} from "../i18n/Translation";
 import {VariableUiElement} from "../Base/VariableUIElement";
 import Svg from "../../Svg";
@@ -10,59 +9,51 @@ import {Geocoding} from "../../Logic/Osm/Geocoding";
 import Translations from "../i18n/Translations";
 import Hash from "../../Logic/Web/Hash";
 import Combine from "../Base/Combine";
-import BaseUIElement from "../BaseUIElement";
 
-export default class SearchAndGo extends UIElement {
+export default class SearchAndGo extends Combine {
 
-    private readonly _placeholder = new UIEventSource<Translation>(Translations.t.general.search.search)
+    constructor() {
-    private readonly _searchField = new TextField({
+        const goButton = Svg.search_ui().SetClass('w-8 h-8 full-rounded border-black float-right');
+
+        const placeholder = new UIEventSource<Translation>(Translations.t.general.search.search)
+        const searchField = new TextField({
                 placeholder: new VariableUiElement(
-                this._placeholder.map(uiElement => uiElement.InnerRender(), [Locale.language])
+                    placeholder.map(uiElement => uiElement, [Locale.language])
                 ),
-            value: new UIEventSource<string>("")
+                value: new UIEventSource<string>(""),
+            
+            inputStyle: " background: transparent;\n" +
+                "    border: none;\n" +
+                "    font-size: large;\n" +
+                "    width: 100%;\n" +
+                "    box-sizing: border-box;\n" +
+                "    color: var(--foreground-color);"
+            
             }
         );
         
-    private readonly _foundEntries = new UIEventSource([]);
+        searchField.SetClass("relative float-left mt-0 ml-2")
-    private readonly _goButton = Svg.search_ui().SetClass('w-8 h-8 full-rounded border-black float-right');
+        searchField.SetStyle("width: calc(100% - 3em)")
-    private readonly _element: Combine;
 
-    constructor() {
+        super([searchField, goButton])
-        super(undefined);
-        this.ListenTo(this._foundEntries);
 
-        const self = this;
+        this.SetClass("block h-8")
-        this._searchField.enterPressed.addCallback(() => {
+        this.SetStyle("background: var(--background-color); color: var(--foreground-color); pointer-evetns:all;")
-            self.RunSearch();
-        });
 
-        this._goButton.onClick(function () {
-            self.RunSearch();
-        });
-        this._element = new Combine([this._searchField, this._goButton])
-
-    }
-
-    InnerRender(): BaseUIElement
-    {
-        return this._element
-
-    }
 
         // Triggered by 'enter' or onclick
-    private RunSearch() {
+        function runSearch() {
-        const searchString = this._searchField.GetValue().data;
+            const searchString = searchField.GetValue().data;
             if (searchString === undefined || searchString === "") {
                 return;
             }
-        this._searchField.GetValue().setData("");
+            searchField.GetValue().setData("");
-        this._placeholder.setData(Translations.t.general.search.searching);
+            placeholder.setData(Translations.t.general.search.searching);
-        const self = this;
             Geocoding.Search(searchString, (result) => {
 
                     console.log("Search result", result)
                     if (result.length == 0) {
-                    self._placeholder.setData(Translations.t.general.search.nothing);
+                        placeholder.setData(Translations.t.general.search.nothing);
                         return;
                     }
 
@@ -75,14 +66,19 @@ export default class SearchAndGo extends UIElement {
                     State.state.selectedElement.setData(undefined);
                     Hash.hash.setData(poi.osm_type + "/" + poi.osm_id);
                     State.state.leafletMap.data.fitBounds(bounds);
-                self._placeholder.setData(Translations.t.general.search.search);
+                    placeholder.setData(Translations.t.general.search.search);
                 },
                 () => {
-                self._searchField.GetValue().setData("");
+                    searchField.GetValue().setData("");
-                self._placeholder.setData(Translations.t.general.search.error);
+                    placeholder.setData(Translations.t.general.search.error);
                 });
 
         }
 
 
+        searchField.enterPressed.addCallback(runSearch);
+        goButton.onClick(runSearch);
+    }
+
+
 }

UI/BigComponents/ShareButton.ts

@@ -1,10 +1,10 @@
-import {UIElement} from "../UIElement";
+import BaseUIElement from "../BaseUIElement";
 
-export default class ShareButton extends UIElement{
+export default class ShareButton extends BaseUIElement{
-    private _embedded: UIElement;
+    private _embedded: BaseUIElement;
     private _shareData: { text: string; title: string; url: string };
     
-    constructor(embedded: UIElement, shareData: {
+    constructor(embedded: BaseUIElement, shareData: {
         text: string,
         title: string,
         url: string
@@ -12,17 +12,17 @@ export default class ShareButton extends UIElement{
         super();
         this._embedded = embedded;
         this._shareData = shareData;
+        this.SetClass("share-button")
     }
 
-    InnerRender(): string {
+    protected InnerConstructElement(): HTMLElement {
-        return `<button type="button" class="share-button" id="${this.id}">${this._embedded.Render()}</button>`
+        const e = document.createElement("button")
-    }
+        e.type = "button"
+        e.appendChild(this._embedded.ConstructElement())
         
-    protected InnerUpdate(htmlElement: HTMLElement) {
+        e.addEventListener('click', () => {
-        const self= this;
-        htmlElement.addEventListener('click', () => {
             if (navigator.share) {
-                navigator.share(self._shareData).then(() => {
+                navigator.share(this._shareData).then(() => {
                     console.log('Thanks for sharing!');
                 })
                     .catch(err => {
@@ -32,6 +32,9 @@ export default class ShareButton extends UIElement{
                 console.log('web share not supported');
             }
         });
+        
+        return e;
     }
 
+
 }

UI/BigComponents/SimpleAddUI.ts

@@ -8,20 +8,20 @@ import Svg from "../../Svg";
 import {SubtleButton} from "../Base/SubtleButton";
 import State from "../../State";
 import Combine from "../Base/Combine";
-import {FixedUiElement} from "../Base/FixedUiElement";
 import Translations from "../i18n/Translations";
 import Constants from "../../Models/Constants";
 import LayerConfig from "../../Customizations/JSON/LayerConfig";
 import {Tag} from "../../Logic/Tags/Tag";
 import {TagUtils} from "../../Logic/Tags/TagUtils";
+import BaseUIElement from "../BaseUIElement";
 
 export default class SimpleAddUI extends UIElement {
-    private readonly _loginButton: UIElement;
+    private readonly _loginButton: BaseUIElement;
 
     private readonly _confirmPreset: UIEventSource<{
-        description: string | UIElement,
+        description: string | BaseUIElement,
-        name: string | UIElement,
+        name: string | BaseUIElement,
-        icon: UIElement,
+        icon: BaseUIElement,
         tags: Tag[],
         layerToAddTo: {
             layerDef: LayerConfig,
@@ -30,11 +30,11 @@ export default class SimpleAddUI extends UIElement {
     }>
         = new UIEventSource(undefined);
 
-    private _component: UIElement;
+    private _component:BaseUIElement;
 
-    private readonly openLayerControl: UIElement;
+    private readonly openLayerControl: BaseUIElement;
-    private readonly cancelButton: UIElement;
+    private readonly cancelButton: BaseUIElement;
-    private readonly goToInboxButton: UIElement = new SubtleButton(Svg.envelope_ui(),
+    private readonly goToInboxButton: BaseUIElement = new SubtleButton(Svg.envelope_ui(),
         Translations.t.general.goToInbox, {url: "https://www.openstreetmap.org/messages/inbox", newTab: false});
 
     constructor(isShown: UIEventSource<boolean>) {
@@ -75,16 +75,15 @@ export default class SimpleAddUI extends UIElement {
         State.state.LastClickLocation.addCallback(() => {
             self._confirmPreset.setData(undefined)
         })
-
-    }
-
-    InnerRender(): string {
         this._component = this.CreateContent();
-        return this._component.Render();
+    }
+
+    InnerRender(): BaseUIElement {
+       return this._component;
 
     }
 
-    private CreatePresetsPanel(): UIElement {
+    private CreatePresetsPanel(): BaseUIElement {
         const userDetails = State.state.osmConnection.userDetails;
         if (userDetails === undefined) {
             return undefined;
@@ -121,21 +120,17 @@ export default class SimpleAddUI extends UIElement {
     }
 
 
-    private CreateContent(): UIElement {
+    private CreateContent(): BaseUIElement {
         const confirmPanel = this.CreateConfirmPanel();
         if (confirmPanel !== undefined) {
             return confirmPanel;
         }
 
-        let intro: UIElement = Translations.t.general.add.intro;
+        let intro: BaseUIElement = Translations.t.general.add.intro;
 
-        let testMode: UIElement = undefined;
+        let testMode: BaseUIElement = undefined;
         if (State.state.osmConnection?.userDetails?.data?.dryRun) {
-            testMode = new Combine([
+            testMode = Translations.t.general.testing.Clone().SetClass("alert")
-                "<span class='alert'>",
-                "Test mode - changes won't be saved",
-                "</span>"
-            ]);
         }
 
         let presets = this.CreatePresetsPanel();
@@ -144,7 +139,7 @@ export default class SimpleAddUI extends UIElement {
 
     }
 
-    private CreateConfirmPanel(): UIElement {
+    private CreateConfirmPanel(): BaseUIElement {
         const preset = this._confirmPreset.data;
         if (preset === undefined) {
             return undefined;
@@ -195,7 +190,7 @@ export default class SimpleAddUI extends UIElement {
             const presets = layer.layerDef.presets;
             for (const preset of presets) {
                 const tags = TagUtils.KVtoProperties(preset.tags ?? []);
-                let icon: UIElement = new FixedUiElement(layer.layerDef.GenerateLeafletStyle(new UIEventSource<any>(tags), false).icon.html.Render()).SetClass("simple-add-ui-icon");
+                let icon: BaseUIElement = layer.layerDef.GenerateLeafletStyle(new UIEventSource<any>(tags), false).icon.html.SetClass("simple-add-ui-icon");
 
                 const csCount = State.state.osmConnection.userDetails.data.csCount;
                 let tagInfo = undefined;

UI/BigComponents/ThemeIntroductionPanel.ts

@@ -1,27 +1,19 @@
-import Locale from "../i18n/Locale";
-import {UIElement} from "../UIElement";
 import State from "../../State";
 import Combine from "../Base/Combine";
 import LanguagePicker from "../LanguagePicker";
 import Translations from "../i18n/Translations";
 import {VariableUiElement} from "../Base/VariableUIElement";
-import LayoutConfig from "../../Customizations/JSON/LayoutConfig";
+import Toggle from "../Input/Toggle";
-import {UIEventSource} from "../../Logic/UIEventSource";
-import BaseUIElement from "../BaseUIElement";
-
-export default class ThemeIntroductionPanel extends UIElement {
-    private languagePicker: UIElement;
-
-    private readonly loginStatus: UIElement;
-    private _layout: UIEventSource<LayoutConfig>;
 
+export default class ThemeIntroductionPanel extends VariableUiElement {
 
     constructor() {
-        super(State.state.osmConnection.userDetails);
+
-        this.ListenTo(Locale.language);
+        const languagePicker =
-        this.languagePicker = LanguagePicker.CreateLanguagePicker(State.state.layoutToUse.data.language, Translations.t.general.pickLanguage);
+            new VariableUiElement(
-        this._layout = State.state.layoutToUse;
+                State.state.layoutToUse.map(layout => LanguagePicker.CreateLanguagePicker(layout.language, Translations.t.general.pickLanguage))
-        this.ListenTo(State.state.layoutToUse);
+            )
+        ;
 
         const plzLogIn =
             Translations.t.general.loginWithOpenStreetMap
@@ -32,31 +24,28 @@ export default class ThemeIntroductionPanel extends UIElement {
 
         const welcomeBack = Translations.t.general.welcomeBack;
 
-        this.loginStatus = new VariableUiElement(
+        const loginStatus =
-            State.state.osmConnection.userDetails.map(
+            new Toggle(
-                userdetails => {
+                new Toggle(
-                    if (State.state.featureSwitchUserbadge.data) {
+                    welcomeBack,
-                        return "";
+                    plzLogIn,
-                    }
+                    State.state.osmConnection.isLoggedIn
-                    return (userdetails.loggedIn ? welcomeBack : plzLogIn).Render();
+                ),
-                }
+                undefined,
+                State.state.featureSwitchUserbadge
             )
-        )
-        this.SetClass("link-underline")
-    }
 
-    InnerRender(): BaseUIElement {
+
-        const layout : LayoutConfig = this._layout.data;
+        super(State.state.layoutToUse.map (layout => new Combine([
-        return new Combine([
             layout.description,
             "<br/><br/>",
-            this.loginStatus,
+            loginStatus,
             layout.descriptionTail,
             "<br/>",
-            this.languagePicker,
+            languagePicker,
             ...layout.CustomCodeSnippets()
-        ])
+        ])))
-    }
-
 
+        this.SetClass("link-underline")
+    }
 }

UI/BigComponents/UserBadge.ts

@@ -1,10 +1,7 @@
 /**
  * Handles and updates the user badge
  */
-import {UIEventSource} from "../../Logic/UIEventSource";
-import {UIElement} from "../UIElement";
 import {VariableUiElement} from "../Base/VariableUIElement";
-import UserDetails from "../../Logic/Osm/OsmConnection";
 import Svg from "../../Svg";
 import State from "../../State";
 import Combine from "../Base/Combine";
@@ -12,45 +9,35 @@ import {FixedUiElement} from "../Base/FixedUiElement";
 import LanguagePicker from "../LanguagePicker";
 import Translations from "../i18n/Translations";
 import Link from "../Base/Link";
+import Toggle from "../Input/Toggle";
+import Img from "../Base/Img";
 
-export default class UserBadge extends UIElement {
+export default class UserBadge extends Toggle {
-    private _userDetails: UIEventSource<UserDetails>;
-    private _logout: UIElement;
-    private _homeButton: UIElement;
-    private _languagePicker: UIElement;
-
-    private _loginButton: UIElement;
 
     constructor() {
-        super(State.state.osmConnection.userDetails);
-        this._userDetails = State.state.osmConnection.userDetails;
-        this._languagePicker = (LanguagePicker.CreateLanguagePicker(State.state.layoutToUse.data.language) ?? new FixedUiElement(""))
-            .SetStyle("width:min-content;");
 
-        this._loginButton = Translations.t.general.loginWithOpenStreetMap
+
+        const userDetails = State.state.osmConnection.userDetails;
+
+        const loginButton = Translations.t.general.loginWithOpenStreetMap
             .Clone()
             .SetClass("userbadge-login pt-3 w-full")
             .onClick(() => State.state.osmConnection.AttemptLogin());
-        this._logout =
+
+
+        const logout =
             Svg.logout_svg()
                 .onClick(() => {
                     State.state.osmConnection.LogOut();
                 });
 
-        this._userDetails.addCallback(function () {
-            const profilePic = document.getElementById("profile-pic");
-            if (profilePic) {
 
-                profilePic.onload = function () {
+        const userBadge = userDetails.map(user => {
-                    profilePic.style.opacity = "1"
+            {
-                };
+                const homeButton = new VariableUiElement(
-            }
+                    userDetails.map((userinfo) => {
-        });
-
-        this._homeButton = new VariableUiElement(
-            this._userDetails.map((userinfo) => {
                         if (userinfo.home) {
-                    return Svg.home_ui().Render();
+                            return Svg.home_ui();
                         }
                         return " ";
                     })
@@ -62,17 +49,11 @@ export default class UserBadge extends UIElement {
                     State.state.leafletMap.data.setView([home.lat, home.lon], 16);
                 });
 
-    }
-
-    InnerRender(): UIElement {
-        const user = this._userDetails.data;
-        if (!user.loggedIn) {
-            return this._loginButton;
-        }
-
                 const linkStyle = "flex items-baseline"
+                const languagePicker = (LanguagePicker.CreateLanguagePicker(State.state.layoutToUse.data.language) ?? new FixedUiElement(""))
+                    .SetStyle("width:min-content;");
 
-        let messageSpan: UIElement =
+                let messageSpan =
                     new Link(
                         new Combine([Svg.envelope, "" + user.totalMessages]).SetClass(linkStyle),
                         'https://www.openstreetmap.org/messages/inbox',
@@ -95,7 +76,7 @@ export default class UserBadge extends UIElement {
                     ).SetClass("alert")
                 }
 
-        let dryrun: UIElement = new FixedUiElement("");
+                let dryrun = new FixedUiElement("");
                 if (user.dryRun) {
                     dryrun = new FixedUiElement("TESTING").SetClass("alert");
                 }
@@ -107,7 +88,9 @@ export default class UserBadge extends UIElement {
 
 
                 const userIcon = new Link(
-            new FixedUiElement(`<img id='profile-pic' src='${user.img}' alt='profile-pic'/>`),
+                    new Img(user.img)
+                        .SetClass("rounded-full opacity-0 m-0 p-0 duration-500 w-16 h16 float-left")
+                    ,
                     `https://www.openstreetmap.org/user/${encodeURIComponent(user.name)}`,
                     true
                 );
@@ -120,12 +103,12 @@ export default class UserBadge extends UIElement {
 
 
                 const userStats = new Combine([
-            this._homeButton,
+                    homeButton,
                     settings,
                     messageSpan,
                     csCount,
-            this._languagePicker,
+                    languagePicker,
-            this._logout
+                    logout
                 ])
                     .SetClass("userstats")
 
@@ -138,7 +121,15 @@ export default class UserBadge extends UIElement {
                 return new Combine([
                     userIcon,
                     usertext,
-        ])
+                ]).SetClass("h-16")
+            }
+        });
+
+        super(
+            new VariableUiElement(userBadge),
+            loginButton,
+            State.state.osmConnection.isLoggedIn
+        )
 
     }
 

UI/CenterMessageBox.ts

@@ -1,62 +1,46 @@
-import {UIElement} from "./UIElement";
 import Translations from "./i18n/Translations";
 import State from "../State";
+import {VariableUiElement} from "./Base/VariableUIElement";
 
-export default class CenterMessageBox extends UIElement {
+export default class CenterMessageBox extends VariableUiElement {
 
     constructor() {
-        super(State.state.centerMessage);
+        const state = State.state;
-
+        const updater = State.state.layerUpdater;
-        this.ListenTo(State.state.locationControl);
+        const t = Translations.t.centerMessage;
-        this.ListenTo(State.state.layerUpdater.timeout);
+        const message = updater.runningQuery.map(
-        this.ListenTo(State.state.layerUpdater.runningQuery);
+            isRunning => {
-        this.ListenTo(State.state.layerUpdater.sufficientlyZoomed);
+                if (isRunning) {
+                    return {el: t.loadingData};
                 }
-
+                if (!updater.sufficientlyZoomed.data) {
-    private static prep(): { innerHtml: string | UIElement, done: boolean } {
+                    return {el: t.zoomIn}
-        if (State.state.centerMessage.data != "") {
-            return {innerHtml: State.state.centerMessage.data, done: false};
                 }
-        const lu = State.state.layerUpdater;
+                if (updater.timeout.data > 0) {
-        if (lu.timeout.data > 0) {
+                    return {el: t.retrying.Subs({count: "" + updater.timeout.data})}
-            return {
-                innerHtml: Translations.t.centerMessage.retrying.Subs({count: "" + lu.timeout.data}),
-                done: false
-            };
                 }
+                return {el: t.ready, isDone: true}
 
-        if (lu.runningQuery.data) {
+            },
-            return {innerHtml: Translations.t.centerMessage.loadingData, done: false};
+            [updater.timeout, updater.sufficientlyZoomed, state.locationControl]
+        )
         
-        }
+        super(message.map(toShow => toShow.el))
-        if (!lu.sufficientlyZoomed.data) {
+        
-            return {innerHtml: Translations.t.centerMessage.zoomIn, done: false};
+        this.SetClass("block " +
+            "rounded-3xl bg-white text-xl font-bold text-center pointer-events-none p-4")
+        this.SetStyle("transition: opacity 750ms linear")
+
+        message.addCallbackAndRun(toShow => {
+            const isDone = toShow.isDone ?? false;
+            if (isDone) {
+                this.SetStyle("transition: opacity 750ms linear; opacity: 0")
             } else {
-            return {innerHtml: Translations.t.centerMessage.ready, done: true};
+                this.SetStyle("transition: opacity 750ms linear; opacity: 0.75")
-        }
-    }
 
-    InnerRender(): string | UIElement {
-        return CenterMessageBox.prep().innerHtml;
             }
+        })
 
-    InnerUpdate(htmlElement: HTMLElement) {
-        if(htmlElement.parentElement === null){
-            return;
-        }
-        const pstyle = htmlElement.parentElement.style;
-        if (State.state.centerMessage.data != "") {
-            pstyle.opacity = "1";
-            pstyle.pointerEvents = "all";
-            return;
-        }
-        pstyle.pointerEvents = "none";
-
-        if (CenterMessageBox.prep().done) {
-            pstyle.opacity = "0";
-        } else {
-            pstyle.opacity = "0.5";
-        }
     }
 
 }

UI/Image/Attribution.ts

@@ -1,10 +1,11 @@
 import {UIElement} from "../UIElement";
 import Combine from "../Base/Combine";
 import Translations from "../i18n/Translations";
+import BaseUIElement from "../BaseUIElement";
 
 export default class Attribution extends Combine {
 
-    constructor(author: UIElement | string, license: UIElement | string, icon: UIElement) {
+    constructor(author: BaseUIElement | string, license: BaseUIElement | string, icon: BaseUIElement) {
         super([
             icon?.SetClass("block left").SetStyle("height: 2em; width: 2em; padding-right: 0.5em"),
             new Combine([

UI/Image/ImageUploadFlow.ts

@@ -8,7 +8,7 @@ import {Tag} from "../../Logic/Tags/Tag";
 import BaseUIElement from "../BaseUIElement";
 import LicensePicker from "../BigComponents/LicensePicker";
 import Toggle from "../Input/Toggle";
-import FileSelectorButton from "../Base/FileSelectorButton";
+import FileSelectorButton from "../Input/FileSelectorButton";
 import ImgurUploader from "../../Logic/Web/ImgurUploader";
 import UploadFlowStateUI from "../BigComponents/UploadFlowStateUI";
 import LayerConfig from "../../Customizations/JSON/LayerConfig";

UI/Input/Checkboxes.ts

@@ -1,7 +1,6 @@
 import {InputElement} from "./InputElement";
 import {UIEventSource} from "../../Logic/UIEventSource";
 import {Utils} from "../../Utils";
-import {UIElement} from "../UIElement";
 import BaseUIElement from "../BaseUIElement";
 
 /**
@@ -10,20 +9,57 @@ import BaseUIElement from "../BaseUIElement";
 export default class CheckBoxes extends InputElement<number[]> {
     IsSelected: UIEventSource<boolean> = new UIEventSource<boolean>(false);
 
-    private readonly value: UIEventSource<number[]>;
-    private readonly _elements: BaseUIElement[]
-    
     
 private readonly _element : HTMLElement
     
-    constructor(elements: BaseUIElement[]) {
+    private static _nextId = 0;
+private readonly value: UIEventSource<number[]>
+    constructor(elements: BaseUIElement[], value =new UIEventSource<number[]>([])) {
         super();
-        this._elements = Utils.NoNull(elements);
+        this.value = value;
-        this.value = new UIEventSource<number[]>([])
+        elements = Utils.NoNull(elements);
+        
+        const el = document.createElement("form")
+     
+        for (let i = 0; i < elements.length; i++) {
+           
+            let inputI = elements[i];
+            const input = document.createElement("input")
+            const id = CheckBoxes._nextId
+            CheckBoxes._nextId ++;
+            input.id = "checkbox"+id
+
+            input.type = "checkbox"
+            const label = document.createElement("label")
+            label.htmlFor = input.id
+            label.appendChild(inputI.ConstructElement())
+
+            value.addCallbackAndRun(selectedValues =>{
+                if(selectedValues === undefined){
+                    return;
+                }
+                if(selectedValues.indexOf(i) >= 0){
+                    input.checked = true;
+                }
+            })
+
+            input.onchange = () => {
+                const index = value.data.indexOf(i);
+                if(input.checked && index < 0){
+                    value.data.push(i);
+                    value.ping();
+                }else if(index >= 0){
+                    value.data.splice(index,1);
+                    value.ping();
+                }
+            }
+
+
+            el.appendChild(input)
+            el.appendChild(document.createElement("br"))
+        }
 
 
-        const el = document.createElement()
-        this._element = el;
         
     }
 
@@ -42,50 +78,6 @@ private readonly _element : HTMLElement
     }
 
 
-    private IdFor(i) {
-        return 'checkmark-' + this.id + '-' + i;
-    }
-
-    InnerRender(): string {
-        let body = "";
-        for (let i = 0; i < this._elements.length; i++) {
-            let el = this._elements[i];
-            const htmlElement =
-                `<input type="checkbox" id="${this.IdFor(i)}"><label for="${this.IdFor(i)}">${el.Render()}</label><br/>`;
-            body += htmlElement;
-
-        }
-        
-        return `<form id='${this.id}'>${body}</form>`;
-    }
-
-    protected InnerUpdate(htmlElement: HTMLElement) {
-        const self = this;
-
-        for (let i = 0; i < this._elements.length; i++) {
-            const el = document.getElementById(this.IdFor(i));
-            
-            if(this.value.data.indexOf(i) >= 0){
-                // @ts-ignore
-                el.checked = true;
-            }
-
-            el.onchange = () => {
-                const index = self.value.data.indexOf(i);
-                // @ts-ignore
-                if(el.checked && index < 0){
-                    self.value.data.push(i);
-                    self.value.ping();
-                }else if(index >= 0){
-                    self.value.data.splice(index,1);
-                    self.value.ping();
-                }
-            }
-
-        }
-
-
-    }
 
 
 }

UI/Input/DropDown.ts

@@ -36,10 +36,12 @@ this._values = values;
 
         {
             const labelEl = Translations.W(label).ConstructElement()
+            if (labelEl !== undefined) {
                 const labelHtml = document.createElement("label")
                 labelHtml.appendChild(labelEl)
                 labelHtml.htmlFor = el.id;
             }
+        }
 
 
         {

UI/Input/TextField.ts

@@ -4,10 +4,9 @@ import {UIEventSource} from "../../Logic/UIEventSource";
 import BaseUIElement from "../BaseUIElement";
 
 export class TextField extends InputElement<string> {
-    private readonly value: UIEventSource<string>;
     public readonly enterPressed = new UIEventSource<string>(undefined);
     public readonly IsSelected: UIEventSource<boolean> = new UIEventSource<boolean>(false);
-    
+    private readonly value: UIEventSource<string>;
     private _element: HTMLElement;
     private readonly _isValid: (s: string, country?: () => string) => boolean;
 
@@ -19,6 +18,7 @@ export class TextField extends InputElement<string> {
         inputMode?: string,
         label?: BaseUIElement,
         textAreaRows?: number,
+        inputStyle?: string,
         isValid?: ((s: string, country?: () => string) => boolean)
     }) {
         super();
@@ -32,7 +32,6 @@ export class TextField extends InputElement<string> {
         });
 
 
-
         const placeholder = Translations.W(options.placeholder ?? "").ConstructElement().innerText.replace("'", "&#39");
 
         this.SetClass("form-text-field")
@@ -46,13 +45,15 @@ export class TextField extends InputElement<string> {
             inputEl = el;
         } else {
             const el = document.createElement("input")
-            el.type = options.htmlType
+            el.type = options.htmlType ?? "text"
             el.inputMode = options.inputMode
             el.placeholder = placeholder
+            el.style.cssText = options.inputStyle
             inputEl = el
         }
 
         const form = document.createElement("form")
+        form.appendChild(inputEl)
         form.onsubmit = () => false;
 
         if (options.label) {
@@ -121,15 +122,6 @@ export class TextField extends InputElement<string> {
         });
 
 
-        
-    }
-
-    GetValue(): UIEventSource<string> {
-        return this.value;
-    }
-
-    protected InnerConstructElement(): HTMLElement {
-        return this._element;
     }
 
     private static SetCursorPosition(textfield: HTMLElement, i: number) {
@@ -146,6 +138,10 @@ export class TextField extends InputElement<string> {
 
     }
 
+    GetValue(): UIEventSource<string> {
+        return this.value;
+    }
+
     IsValid(t: string): boolean {
         if (t === undefined || t === null) {
             return false
@@ -153,4 +149,8 @@ export class TextField extends InputElement<string> {
         return this._isValid(t, undefined);
     }
 
+    protected InnerConstructElement(): HTMLElement {
+        return this._element;
+    }
+
 }

UI/Input/Toggle.ts

@@ -10,12 +10,13 @@ export default class Toggle extends VariableUiElement{
 
     public readonly isEnabled: UIEventSource<boolean>;
 
-    constructor(showEnabled: string | BaseUIElement, showDisabled: string | BaseUIElement, data: UIEventSource<boolean> = new UIEventSource<boolean>(false)) {
+    constructor(showEnabled: string | BaseUIElement, showDisabled: string | BaseUIElement, isEnabled: UIEventSource<boolean> = new UIEventSource<boolean>(false)) {
         super(
-            data.map(isEnabled => isEnabled ? showEnabled : showDisabled)
+            isEnabled.map(isEnabled => isEnabled ? showEnabled : showDisabled)
         );
+        this.isEnabled = isEnabled
         this.onClick(() => {
-            data.setData(!data.data);
+            isEnabled.setData(!isEnabled.data);
         })
 
     }

UI/LanguagePicker.ts

@@ -1,13 +1,13 @@
-import {UIElement} from "./UIElement";
 import {DropDown} from "./Input/DropDown";
 import Locale from "./i18n/Locale";
+import BaseUIElement from "./BaseUIElement";
 
 export default class LanguagePicker {
 
 
     public static CreateLanguagePicker(
         languages : string[] ,
-        label: string | UIElement = "") {
+        label: string | BaseUIElement = "") {
 
         if (languages.length <= 1) {
             return undefined;

UI/MapControlButton.ts

@@ -1,14 +1,16 @@
 import {UIElement} from "./UIElement";
+import BaseUIElement from "./BaseUIElement";
+import Combine from "./Base/Combine";
 
 /**
  * A button floating above the map, in a uniform style
  */
 export default class MapControlButton extends UIElement {
-    private _contents: UIElement;
+    private _contents: BaseUIElement;
     
-    constructor(contents: UIElement) {
+    constructor(contents: BaseUIElement) {
         super();
-        this._contents = contents;
+        this._contents = new Combine([contents]);
         this.SetClass("relative block rounded-full w-10 h-10 p-1 pointer-events-auto z-above-map subtle-background")
         this.SetStyle("box-shadow: 0 0 10px var(--shadow-color);");
     }

UI/OpeningHours/OhVisualization.ts

@@ -7,6 +7,7 @@ import {OH} from "./OpeningHours";
 import Translations from "../i18n/Translations";
 import Constants from "../../Models/Constants";
 import opening_hours from "opening_hours";
+import BaseUIElement from "../BaseUIElement";
 
 export default class OpeningHoursVisualization extends UIElement {
     private static readonly weekdays = [
@@ -87,7 +88,7 @@ export default class OpeningHoursVisualization extends UIElement {
         return new Date(d.setDate(diff));
     }
 
-    InnerRender(): string | UIElement {
+    InnerRender(): string | BaseUIElement {
 
 
         const today = new Date();
@@ -168,13 +169,13 @@ export default class OpeningHoursVisualization extends UIElement {
         latestclose = Math.max(19 * 60 * 60, latestclose + 30 * 60)
 
 
-        const rows: UIElement[] = [];
+        const rows: BaseUIElement[] = [];
         const availableArea = latestclose - earliestOpen;
         // @ts-ignore
         const now = (100 * (((new Date() - today) / 1000) - earliestOpen)) / availableArea;
 
 
-        let header: UIElement[] = [];
+        let header: BaseUIElement[] = [];
 
         if (now >= 0 && now <= 100) {
             header.push(new FixedUiElement("").SetStyle(`left:${now}%;`).SetClass("ohviz-now"))
@@ -218,7 +219,7 @@ export default class OpeningHoursVisualization extends UIElement {
                 dateToShow = "" + day.getDate() + "/" + (day.getMonth() + 1);
             }
 
-            let innerContent: (string | UIElement)[] = [];
+            let innerContent: (string | BaseUIElement)[] = [];
 
             // Add the lines
             for (const changeMoment of changeHours) {
@@ -265,7 +266,7 @@ export default class OpeningHoursVisualization extends UIElement {
 
         return new Combine([
             "<table class='ohviz' style='width:100%; word-break: normal; word-wrap: normal'>",
-            ...rows.map(el => "<tr>" + el.Render() + "</tr>"),
+            ...rows.map(el => new Combine(["<tr>" ,el , "</tr>"])),
             "</table>"
         ]).SetClass("ohviz-container");
     }

UI/Popup/SaveButton.ts

@@ -1,35 +1,47 @@
 import {UIEventSource} from "../../Logic/UIEventSource";
 import {UIElement} from "../UIElement";
 import Translations from "../i18n/Translations";
-import UserDetails, {OsmConnection} from "../../Logic/Osm/OsmConnection";
+import {OsmConnection} from "../../Logic/Osm/OsmConnection";
+import BaseUIElement from "../BaseUIElement";
+import Toggle from "../Input/Toggle";
 
 export class SaveButton extends UIElement {
 
-    private readonly _value: UIEventSource<any>;
+
-    private readonly _friendlyLogin: UIElement;
+    private readonly _element: BaseUIElement;
-    private readonly _userDetails: UIEventSource<UserDetails>;
 
     constructor(value: UIEventSource<any>, osmConnection: OsmConnection) {
         super(value);
-        this._userDetails = osmConnection?.userDetails;
         if (value === undefined) {
             throw "No event source for savebutton, something is wrong"
         }
-        this._value = value;
+
-        this._friendlyLogin = Translations.t.general.loginToStart.Clone()
+        const pleaseLogin = Translations.t.general.loginToStart.Clone()
             .SetClass("login-button-friendly")
             .onClick(() => osmConnection?.AttemptLogin())
+
+
+        const isSaveable = value.map(v => v !== false && (v ?? "") !== "")
+
+
+        const saveEnabled = Translations.t.general.save.Clone().SetClass(`btn`);
+        const saveDisabled = Translations.t.general.save.Clone().SetClass(`btn btn-disabled`);
+        const save = new Toggle(
+            saveEnabled,
+            saveDisabled,
+            isSaveable
+        )
+        this._element = new Toggle(
+            save
+            , pleaseLogin,
+            osmConnection?.userDetails?.map(userDetails => userDetails.loggedIn) ?? new UIEventSource<any>(false)
+        )
+
     }
 
-    InnerRender() {
+    InnerRender(): BaseUIElement {
-        if(this._userDetails != undefined &&  !this._userDetails.data.loggedIn){
+        return this._element
-            return this._friendlyLogin;
+
-        }
-        let inactive_class = ''
-        if (this._value.data === false || (this._value.data ?? "") === "") {
-            inactive_class = "btn-disabled";
-        }
-        return Translations.t.general.save.Clone().SetClass(`btn ${inactive_class}`);
     }
 
 }

UI/Popup/TagRenderingAnswer.ts

@@ -19,8 +19,9 @@ export default class TagRenderingAnswer extends UIElement {
     private _contentStyle: string;
 
     constructor(tags: UIEventSource<any>, configuration: TagRenderingConfig, contentClasses: string = "", contentStyle: string = "") {
-        super(tags);
+        super();
         this._tags = tags;
+        this.ListenTo(tags)
         this._configuration = configuration;
         this._contentClass = contentClasses;
         this._contentStyle = contentStyle;

UI/Popup/TagRenderingQuestion.ts

@@ -22,6 +22,7 @@ import {TagsFilter} from "../../Logic/Tags/TagsFilter";
 import {Tag} from "../../Logic/Tags/Tag";
 import {And} from "../../Logic/Tags/And";
 import {TagUtils} from "../../Logic/Tags/TagUtils";
+import BaseUIElement from "../BaseUIElement";
 
 /**
  * Shows the question element.
@@ -35,7 +36,7 @@ export default class TagRenderingQuestion extends UIElement {
 
     private _inputElement: InputElement<TagsFilter>;
     private _cancelButton: UIElement;
-    private _appliedTags: UIElement;
+    private _appliedTags: BaseUIElement;
     private _question: UIElement;
 
     constructor(tags: UIEventSource<any>,
@@ -82,16 +83,19 @@ export default class TagRenderingQuestion extends UIElement {
                         return "";
                     }
                     if (tags === undefined) {
-                        return Translations.t.general.noTagsSelected.SetClass("subtle").Render();
+                        return Translations.t.general.noTagsSelected.SetClass("subtle");
                     }
                     if (csCount < Constants.userJourney.tagsVisibleAndWikiLinked) {
                         const tagsStr = tags.asHumanString(false, true, self._tags.data);
-                        return new FixedUiElement(tagsStr).SetClass("subtle").Render();
+                        return new FixedUiElement(tagsStr).SetClass("subtle");
                     }
                     return tags.asHumanString(true, true, self._tags.data);
                 }
             )
         ).SetClass("block")
+        
+        
+        
     }
 
     InnerRender() {

UI/ShowDataLayer.ts

@@ -128,7 +128,7 @@ export default class ShowDataLayer {
         const style = layer.GenerateLeafletStyle(tagSource, !(layer.title === undefined && (layer.tagRenderings ?? []).length === 0));
         return L.marker(latLng, {
             icon: L.divIcon({
-                html: style.icon.html.Render(),
+                html: style.icon.html.ConstructElement(),
                 className: style.icon.className,
                 iconAnchor: style.icon.iconAnchor,
                 iconUrl: style.icon.iconUrl,

UI/UIElement.ts

@@ -21,6 +21,7 @@ export abstract class UIElement extends BaseUIElement{
         if (source === undefined) {
             return this;
         }
+        console.trace("Got a listenTo in ", this.constructor.name)
         const self = this;
         source.addCallback(() => {
             self.lastInnerRender = undefined;
@@ -39,7 +40,7 @@ export abstract class UIElement extends BaseUIElement{
     }
 
     Render(): string {
-        return "Don't use Render!"
+        return this.InnerRenderAsString()
     }
 
 
@@ -52,11 +53,6 @@ export abstract class UIElement extends BaseUIElement{
         return rendered
     }
 
-    public IsEmpty(): boolean {
-        return this.InnerRender() === undefined || this.InnerRender() === "";
-    }
-
-
 
     /**
      * Should be overridden for specific HTML functionality

css/userbadge.css

@@ -55,17 +55,6 @@
     display: block;
 }
 
-#profile-pic {
-    float: left;
-    width: 4em;
-    height: 4em;
-    padding: 0;
-    margin: 0;
-    opacity: 0;
-    transition: opacity 500ms linear;
-    border-radius: 999em;
-}
-
 .usertext {
     display: block;
     width: max-content;

index.css

@@ -324,52 +324,6 @@ li::marker {
 }
 
 
-.activate-osm-authentication {
-    cursor: pointer;
-    color: blue;
-    text-decoration: underline;
-}
-
-
-#searchbox {
-    display: inline-block;
-    text-align: left;
-    background-color: var(--background-color);
-    color: var(--foreground-color);
-
-    transition: all 500ms linear;
-    pointer-events: all;
-    margin: 0 0 0.5em;
-    width: 100%;
-}
-
-.search {
-    position: relative;
-    float: left;
-    height: 2em;
-    margin-right: 0.5em;
-}
-
-#searchbox {
-    width: 100%
-}
-
-#searchbox .form-text-field {
-    position: relative;
-    float: left;
-    margin-top: 0.2em;
-    margin-left: 1em;
-    width: calc(100% - 4em)
-}
-
-#searchbox input[type="text"] {
-    background: transparent;
-    border: none;
-    font-size: large;
-    width: 100%;
-    box-sizing: border-box;
-    color: var(--foreground-color);
-}
 
 /**************************************/
 
@@ -409,25 +363,9 @@ li::marker {
 }
 
 
-#centermessage {
-    z-index: 4000;
-    pointer-events: none;
-    transition: opacity 500ms linear;
-}
-
-
-
 /***************** Info box (box containing features and questions ******************/
 
 
-.map-attribution img {
-    width: 1em;
-    height: 1em;
-    fill: black;
-    border-radius: 0;
-    display: inline;
-}
-
 .leaflet-popup-content {
     width: 45em !important;
 }
@@ -461,3 +399,7 @@ li::marker {
     max-width: 1em;
 }
 
+.small-image {
+    height: 1em;
+    max-width: 1em;
+}

index.html

@@ -74,7 +74,7 @@
 <div id="bottom-right" class="absolute bottom-3 right-2 rounded-3xl z-above-map"></div>
 
 <div id="centermessage"
-     class="clutter absolute rounded-3xl h-24 left-24 right-24 top-56 bg-white p-3 pt-5 sm:pt-8 text-xl font-bold text-center">
+     class="clutter absolute h-24 left-24 right-24 top-56" style="z-index: 4000">
     Loading MapComplete, hang on...
 </div>
 

index.ts

@@ -98,7 +98,6 @@ new Combine(["Initializing... <br/>",
 
         })])
     .AttachTo("centermessage"); // Add an initialization and reset button if something goes wrong
-
 document.getElementById("decoration-desktop").remove();
 
 

langs/en.json

@@ -31,6 +31,7 @@
         "loginWithOpenStreetMap": "Login with OpenStreetMap",
         "welcomeBack": "You are logged in, welcome back!",
         "loginToStart": "Login to answer this question",
+        "testing":"Testing - changes won't be saved",
         "search": {
             "search": "Search a location",
             "searching": "Searching…",

test.ts

@@ -1,15 +1,6 @@
-import {Translation} from "./UI/i18n/Translation";
+import GeoLocationHandler from "./Logic/Actors/GeoLocationHandler";
-import Locale from "./UI/i18n/Locale";
+import LayoutConfig from "./Customizations/JSON/LayoutConfig";
-import Combine from "./UI/Base/Combine";
+import {UIEventSource} from "./Logic/UIEventSource";
 
 
-new Combine(["Some language:",new Translation({en:"English",nl:"Nederlands",fr:"Françcais"})]).AttachTo("maindiv")
+new GeoLocationHandler(new UIEventSource<{latlng: any; accuracy: number}>(undefined), undefined, new UIEventSource<LayoutConfig>(undefined)).AttachTo("maindiv")
-
-Locale.language.setData("nl")
-window.setTimeout(() => {
-    Locale.language.setData("en")
-}, 1000)
-
-window.setTimeout(() => {
-    Locale.language.setData("fr")
-}, 5000)

vendor/Leaflet.AccuratePosition.js

@@ -1,134 +0,0 @@
-/**
- * Leaflet.AccuratePosition aims to provide an accurate device location when simply calling map.locate() doesn’t.
- * https://github.com/m165437/Leaflet.AccuratePosition
- *
- * Greg Wilson's getAccurateCurrentPosition() forked to be a Leaflet plugin
- * https://github.com/gwilson/getAccurateCurrentPosition
- *
- * Copyright (C) 2013 Greg Wilson, 2014 Michael Schmidt-Voigt
- */
-
-L.Map.include({
-    _defaultAccuratePositionOptions: {
-        maxWait: 10000,
-        desiredAccuracy: 20
-    },
-
-    findAccuratePosition: function (options) {
-
-        if (!navigator.geolocation) {
-            this._handleAccuratePositionError({
-                code: 0,
-                message: 'Geolocation not supported.'
-            });
-            return this;
-        }
-
-        this._accuratePositionEventCount = 0;
-        this._accuratePositionOptions = L.extend(this._defaultAccuratePositionOptions, options);
-        this._accuratePositionOptions.enableHighAccuracy = true;
-        this._accuratePositionOptions.maximumAge = 0;
-
-        if (!this._accuratePositionOptions.timeout)
-            this._accuratePositionOptions.timeout = this._accuratePositionOptions.maxWait;
-
-        var onResponse = L.bind(this._checkAccuratePosition, this),
-            onError = L.bind(this._handleAccuratePositionError, this),
-            onTimeout = L.bind(this._handleAccuratePositionTimeout, this);
-
-        this._accuratePositionWatchId = navigator.geolocation.watchPosition(
-            onResponse,
-            onError,
-            this._accuratePositionOptions);
-
-        this._accuratePositionTimerId = setTimeout(
-            onTimeout,
-            this._accuratePositionOptions.maxWait);
-    },
-
-    _handleAccuratePositionTimeout: function() {
-        navigator.geolocation.clearWatch(this._accuratePositionWatchId);
-
-        if (typeof this._lastCheckedAccuratePosition !== 'undefined') {
-            this._handleAccuratePositionResponse(this._lastCheckedAccuratePosition);
-        } else {
-            this._handleAccuratePositionError({
-                code: 3,
-                message: 'Timeout expired'
-            });
-        }
-
-        return this;
-    },
-
-    _cleanUpAccuratePositioning: function () {
-        clearTimeout(this._accuratePositionTimerId);
-        navigator.geolocation.clearWatch(this._accuratePositionWatchId);
-    },
-
-    _checkAccuratePosition: function (pos) {
-        var accuracyReached = pos.coords.accuracy <= this._accuratePositionOptions.desiredAccuracy;
-
-        this._lastCheckedAccuratePosition = pos;
-        this._accuratePositionEventCount = this._accuratePositionEventCount + 1;
-
-        if (accuracyReached && (this._accuratePositionEventCount > 1)) {
-            this._cleanUpAccuratePositioning();
-            this._handleAccuratePositionResponse(pos);
-        } else {
-            this._handleAccuratePositionProgress(pos);
-        }
-    },
-
-    _prepareAccuratePositionData: function (pos) {
-        var lat = pos.coords.latitude,
-            lng = pos.coords.longitude,
-            latlng = new L.LatLng(lat, lng),
-
-            latAccuracy = 180 * pos.coords.accuracy / 40075017,
-            lngAccuracy = latAccuracy / Math.cos(Math.PI / 180 * lat),
-
-            bounds = L.latLngBounds(
-                [lat - latAccuracy, lng - lngAccuracy],
-                [lat + latAccuracy, lng + lngAccuracy]);
-
-        var data = {
-            latlng: latlng,
-            bounds: bounds,
-            timestamp: pos.timestamp
-        };
-
-        for (var i in pos.coords) {
-            if (typeof pos.coords[i] === 'number') {
-                data[i] = pos.coords[i];
-            }
-        }
-
-        return data;
-    },
-
-    _handleAccuratePositionProgress: function (pos) {
-        var data = this._prepareAccuratePositionData(pos);
-        this.fire('accuratepositionprogress', data);
-    },
-
-    _handleAccuratePositionResponse: function (pos) {
-        var data = this._prepareAccuratePositionData(pos);
-        this.fire('accuratepositionfound', data);
-    },
-
-    _handleAccuratePositionError: function (error) {
-        var c = error.code,
-            message = error.message ||
-                (c === 1 ? 'permission denied' :
-                    (c === 2 ? 'position unavailable' : 'timeout'));
-
-        this._cleanUpAccuratePositioning();
-
-        this.fire('accuratepositionerror', {
-            code: c,
-            message: 'Geolocation error: ' + message + '.'
-        });
-    }
-});
-console.log("Find accurate position script loaded");