use more fitting floating action button, cleanup

frontend/lib/modules/current_trip_map.dart

@@ -0,0 +1,85 @@
+import 'dart:collection';
+
+import 'package:anyway/constants.dart';
+import 'package:anyway/modules/themed_marker.dart';
+import 'package:flutter/material.dart';
+import 'package:anyway/structs/landmark.dart';
+import 'package:anyway/structs/trip.dart';
+import 'package:google_maps_flutter/google_maps_flutter.dart';
+import 'package:widget_to_marker/widget_to_marker.dart';
+
+
+class MapWidget extends StatefulWidget {
+
+  final Trip? trip;
+
+  MapWidget({
+    this.trip
+  });
+
+  @override
+  State<MapWidget> createState() => _MapWidgetState();
+}
+
+class _MapWidgetState extends State<MapWidget> {
+  late GoogleMapController mapController;
+
+  CameraPosition _cameraPosition = CameraPosition(
+    target: LatLng(48.8566, 2.3522),
+    zoom: 11.0,
+  );
+  Set<Marker> mapMarkers = <Marker>{};
+  
+
+  void _onMapCreated(GoogleMapController controller) async {
+    mapController = controller;
+    List<double>? newLocation = widget.trip?.landmarks.firstOrNull?.location;
+    if (newLocation != null) {
+      CameraUpdate update = CameraUpdate.newLatLng(LatLng(newLocation[0], newLocation[1]));
+      controller.moveCamera(update);
+    }
+    setMapMarkers();
+  }
+
+  void _onCameraIdle() {
+    // print(mapController.getLatLng(ScreenCoordinate(x: 0, y: 0)));
+  }
+
+
+  void setMapMarkers() async {
+    List<Landmark> landmarks = widget.trip?.landmarks.toList() ?? [];
+    Set<Marker> newMarkers = <Marker>{};
+    for (int i = 0; i < landmarks.length; i++) {
+      Landmark landmark = landmarks[i];
+      List<double> location = landmark.location;
+      Marker marker = Marker(
+        markerId: MarkerId(landmark.uuid),
+        position: LatLng(location[0], location[1]),
+        icon: await ThemedMarker(landmark: landmark, position: i).toBitmapDescriptor(
+          logicalSize: const Size(150, 150),
+          imageSize: const Size(150, 150)
+        ),
+      );
+      newMarkers.add(marker);
+    }
+    setState(() {
+      mapMarkers = newMarkers;
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    widget.trip?.addListener(setMapMarkers);
+    return GoogleMap(
+      onMapCreated: _onMapCreated,
+      initialCameraPosition: _cameraPosition,
+      onCameraIdle: _onCameraIdle,
+      // onLongPress: ,
+      markers: mapMarkers,
+      cloudMapId: MAP_ID,
+      mapToolbarEnabled: false,
+      zoomControlsEnabled: false,
+
+    );
+  }
+}