Add some tweaks to hide the add-poi-marker when a layer is enabled

InitUiElements.ts

@@ -378,8 +378,7 @@ export class InitUiElements {
                 ,
                 new Combine([Img.closedFilterButton])
                     .SetStyle("display:block;border-radius:50%;background:white;padding:1em;"),
-                QueryParameters.GetQueryParameter("layer-control-toggle", "false")
-                    .map((str) => str !== "false", [], b => "" + b)
+                State.state.layerControlIsOpened
             );
             checkbox
                 .AttachTo("layer-selection");

Logic/Leaflet/StrayClickHandler.ts

@@ -15,6 +15,16 @@ export class StrayClickHandler {
         this._uiToShow = uiToShow;
         const self = this;
         const map = State.state.bm.map;
+        State.state.filteredLayers.data.forEach((filteredLayer) => {
+            filteredLayer.isDisplayed.addCallback(isEnabled => {
+                if(isEnabled){
+                    // When a layer is activated, we remove the 'last click location' in order to force the user to reclick
+                    // This reclick might be at a location where a feature now appeared...
+                     map.removeLayer(self._lastMarker);
+                }
+            })
+        })
+        
         State.state.bm.LastClickLocation.addCallback(function (lastClick) {
             State.state.selectedElement.setData(undefined);
 

State.ts

@@ -22,7 +22,7 @@ export class State {
     // The singleton of the global state
     public static state: State;
     
-    public static vNumber = "0.0.8a";
+    public static vNumber = "0.0.8b";
     
     // The user journey states thresholds when a new feature gets unlocked
     public static userJourney = {
@@ -114,8 +114,11 @@ export class State {
     public layoutDefinition: string;
     public installedThemes: UIEventSource<{ layout: Layout; definition: string }[]>;
 
-    public welcomeMessageOpenedTab = QueryParameters.GetQueryParameter("tab","0").map<number>(
-        str => isNaN(Number(str)) ? 0 : Number(str),[],n => ""+n
+    public layerControlIsOpened: UIEventSource<boolean> = QueryParameters.GetQueryParameter("layer-control-toggle", "false")
+        .map<boolean>((str) => str !== "false", [], b => "" + b)
+
+    public welcomeMessageOpenedTab = QueryParameters.GetQueryParameter("tab", "0").map<number>(
+        str => isNaN(Number(str)) ? 0 : Number(str), [], n => "" + n
     );
 
     constructor(layoutToUse: Layout) {

UI/SimpleAddUI.ts

@@ -27,6 +27,7 @@ export class SimpleAddUI extends UIElement {
     }>
         = new UIEventSource(undefined);
     private confirmButton: UIElement = undefined;
+    private openLayerControl: UIElement;
     private cancelButton: UIElement;
     private goToInboxButton: UIElement = new SubtleButton("./assets/envelope.svg", 
         Translations.t.general.goToInbox, {url:"https://www.openstreetmap.org/messages/inbox", newTab: false});
@@ -100,19 +101,24 @@ export class SimpleAddUI extends UIElement {
                         }
                     )
 
-                
-
 
                 this._addButtons.push(button);
             }
         }
-        
+
         this.cancelButton = new SubtleButton(
             "./assets/close.svg",
             Translations.t.general.cancel
         ).onClick(() => {
             self._confirmPreset.setData(undefined);
         })
+
+        this.openLayerControl = new SubtleButton(
+            "./assets/layers.svg",
+            Translations.t.general.add.openLayerControl
+        ).onClick(() => {
+            State.state.layerControlIsOpened.setData(true);
+        })
     }
 
     private CreatePoint(tags: Tag[], layerToAddTo: FilteredLayer) {

UI/i18n/Translations.ts

@@ -379,6 +379,10 @@ export default class Translations {
                     fr: "Ajouter un/une {category} ici",
                     gl: "Engadir {category} aquí",
                     de: "Hier eine {category} hinzufügen"
+                }),
+                openLayerControl: new T({
+                    "en": "Open the layer control box",
+                    "nl": "Open de laag-instellingen"
                 })
             },
             pickLanguage: new T({