tablet-app/lib/Screens/Map/map_view.dart

//import 'dart:async';
import 'dart:convert';
// 'dart:typed_data';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
// 'package:flutter/services.dart';
//import 'package:google_maps_flutter/google_maps_flutter.dart';
import 'package:manager_api/api.dart';
import 'package:provider/provider.dart';
/*import 'package:tablet_app/Components/loading.dart';
import 'package:tablet_app/Components/loading_common.dart';*/
import 'package:tablet_app/Models/map-marker.dart';
//import 'dart:ui' as ui;
import 'package:flutter/widgets.dart';
import 'package:tablet_app/Models/tabletContext.dart';
import 'package:tablet_app/Screens/Map/geo_point_filter.dart';
import 'package:tablet_app/Screens/Map/map_box_view.dart';
import 'package:tablet_app/Screens/Map/marker_view.dart';
//import 'package:http/http.dart' as http;

import '../../app_context.dart';
import 'google_map_view.dart';
//import 'package:image/image.dart' as IMG;

//Set<Marker> markers = {};
List<GeoPointDTO> markersList = [];

class MapViewWidget extends StatefulWidget {
  final SectionDTO section;
  final List<Map<String, dynamic>> icons;
  MapViewWidget({Key? key, required this.section, required this.icons}) : super(key: key);

  @override
  _MapViewWidget createState() => _MapViewWidget();
}

class _MapViewWidget extends State<MapViewWidget> {
  MapDTO? mapDTO;
  //Completer<GoogleMapController> _controller = Completer();
  //Uint8List? selectedMarkerIcon;
  late ValueNotifier<List<GeoPointDTO>> _geoPoints = ValueNotifier<List<GeoPointDTO>>([]);

  /*Future<Uint8List> getBytesFromAsset(ByteData data, int width) async {
    //ByteData data = await rootBundle.load(path);
    ui.Codec codec = await ui.instantiateImageCodec(data.buffer.asUint8List(),
        targetWidth: width);
    ui.FrameInfo fi = await codec.getNextFrame();
    return (await fi.image.toByteData(format: ui.ImageByteFormat.png))
        !.buffer
        .asUint8List();
  }*/

  @override
  void initState() {
    mapDTO = MapDTO.fromJson(jsonDecode(widget.section.data!));
    _geoPoints.value = mapDTO!.points!;
    super.initState();
  }

  @override
  void dispose() {
    // TODO: implement dispose
    super.dispose();
  }

  /*static final CameraPosition _kLake = CameraPosition(
      bearing: 192.8334901395799,
      target: LatLng(37.43296265331129, -122.08832357078792),
      tilt: 59.440717697143555,
      zoom: 59.151926040649414);*/

  @override
  Widget build(BuildContext context) {
    //final mapContext = Provider.of<MapContext>(context);
    final appContext = Provider.of<AppContext>(context);
    TabletAppContext tabletAppContext = appContext.getContext() as TabletAppContext;
    /*return FutureBuilder(
      future: getByteIcon(mapDTO!.iconSource),
      builder: (context, AsyncSnapshot<dynamic> snapshot) {
        if (snapshot.connectionState == ConnectionState.done) {
        } else if (snapshot.connectionState == ConnectionState.none) {
          return Text("No data");
        } else {
          return Center(
              child: Container(
                  child: LoadingCommon()
              )
          );
        }
      }
    );*/
    return Stack(
        children: <Widget>[
          ValueListenableBuilder<List<GeoPointDTO>>(
              valueListenable: _geoPoints,
              builder: (context, value, _) {
                switch(mapDTO!.mapProvider) {
                  case MapProvider.Google:
                    return GoogleMapView(language: appContext.getContext().language, geoPoints: value, mapDTO: mapDTO!, icons: widget.icons);
                  case MapProvider.MapBox:
                    return MapBoxView(language: appContext.getContext().language, geoPoints: value, mapDTO: mapDTO, icons: widget.icons);
                  default:
                  // By default google
                    return GoogleMapView(language: appContext.getContext().language, geoPoints: value, mapDTO: mapDTO!, icons: widget.icons);
                }
              }
          ),
          GeoPointFilter(
              language: tabletAppContext.language!,
              geoPoints: mapDTO!.points!,
              categories: mapDTO!.categories!,
              provider: mapDTO!.mapProvider == null ? MapProvider.Google : mapDTO!.mapProvider!,
              filteredPoints: (value) {
                _geoPoints.value = value!;
              }),
          MarkerViewWidget(),
        ]
      /*floatingActionButton: FloatingActionButton.extended(
            onPressed: _goToTheLake,
            label: Text('To the lake!'),
            icon: Icon(Icons.directions_boat),
          ),*/
    );
  }

  /*getByteIcon(String? source) async {
    if(source != null) {
      if(kIsWeb) {
        Uint8List fileData = await http.readBytes(Uri.parse(source));
        selectedMarkerIcon = resizeImage(fileData, 40);
      } else {
        final ByteData imageData = await NetworkAssetBundle(Uri.parse(source)).load("");
        selectedMarkerIcon = await getBytesFromAsset(imageData, 50);
      }
    } else {
      // default icon
      final ByteData bytes = await rootBundle.load('assets/icons/marker.png');
      selectedMarkerIcon = await getBytesFromAsset(bytes, 25);
    }
  }*/

  /*Uint8List resizeImage(Uint8List data, int width) {
    Uint8List resizedData = data;
    IMG.Image img = IMG.decodeImage(data)!;
    IMG.Image resized = IMG.copyResize(img, width: width);
    resizedData = Uint8List.fromList(IMG.encodeJpg(resized));
    return resizedData;
  }*/

/*Future<void> _goToTheLake() async {
    final GoogleMapController controller = await _controller.future;
    controller.animateCamera(CameraUpdate.newCameraPosition(_kLake));
  }*/

}