feat: add compatible constructor for map ClickEvent

Close #182

Author: javier-godoy

src/main/java/com/flowingcode/vaadin/addons/googlemaps/GoogleMap.java

@@ -508,10 +508,38 @@ public double getLongitude() {
       return lon;
     }
 
+    /**
+     * Creates a new event with the click coordinates as separate lat/lon values.
+     *
+     * @param source the map that was clicked
+     * @param fromClient whether the event originated on the client side
+     * @param lat the latitude of the click
+     * @param lon the longitude of the click
+     */
+    public GoogleMapClickEvent(
+        GoogleMap source,
+        boolean fromClient,
+        @EventData("event.detail.latLng.lat()") double lat,
+        @EventData("event.detail.latLng.lng()") double lon) {
+      super(source);
+      this.lat = lat;
+      this.lon = lon;
+    }
+
+    /**
+     * Creates a new event with the click coordinates as a JSON value.
+     *
+     * @param source the map that was clicked
+     * @param fromClient whether the event originated on the client side
+     * @param latLng a JSON object containing {@code lat} and {@code lng} properties
+     * @deprecated since 2.6.0, for removal. Use
+     *     {@link #GoogleMapClickEvent(GoogleMap, boolean, double, double)} instead.
+     */
+    @Deprecated
     public GoogleMapClickEvent(
         GoogleMap source,
         boolean fromClient,
-        @EventData(value = "event.detail.latLng") JsonValue latLng) {
+        JsonValue latLng) {
       super(source);
       lat = ((JsonObject) latLng).getNumber("lat");
       lon = ((JsonObject) latLng).getNumber("lng");
@@ -525,7 +553,9 @@ public Registration addClickListener(ComponentEventListener<GoogleMapClickEvent>
         getElement()
             .addEventListener("google-map-click", ev -> {
               JsonObject latLng = ev.getEventData().get("event.detail.latLng");
-              listener.onComponentEvent(new GoogleMapClickEvent(this, true, latLng));
+              double lat = latLng.getNumber("lat");
+              double lon = latLng.getNumber("lng");
+              listener.onComponentEvent(new GoogleMapClickEvent(this, true, lat, lon));
             }).addEventData("event.detail.latLng");
     return registration::remove;
   }
@@ -537,7 +567,9 @@ public Registration addRightClickListener(ComponentEventListener<GoogleMapClickE
         getElement()
             .addEventListener("google-map-rightclick", ev -> {
               JsonObject latLng = ev.getEventData().get("event.detail.latLng");
-              listener.onComponentEvent(new GoogleMapClickEvent(this, true, latLng));
+              double lat = latLng.getNumber("lat");
+              double lon = latLng.getNumber("lng");
+              listener.onComponentEvent(new GoogleMapClickEvent(this, true, lat, lon));
             }).addEventData("event.detail.latLng");
     return registration::remove;
   }