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// SPDX-License-Identifier: Apache-2.0
import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter_cluster_dashboard/cluster_config.dart';
import 'package:flutter_map/flutter_map.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_cluster_dashboard/map/networkPolyline.dart';
import 'package:flutter_cluster_dashboard/provider.dart';
import 'package:flutter_cluster_dashboard/vehicle_signal/vehicle_signal_provider.dart';
import 'package:latlong2/latlong.dart';
class NavigationHome extends ConsumerStatefulWidget {
const NavigationHome({Key? key}) : super(key: key);
@override
ConsumerState<NavigationHome> createState() => _NavigationHomeState();
}
class _NavigationHomeState extends ConsumerState<NavigationHome> {
late Timer timerCurrLocation;
Timer timerPolyline = Timer.periodic(const Duration(hours: 10), ((timer) {}));
double pathStroke = 5;
late MapController mapController;
// randomly initialization of the variable
LatLng src = LatLng(31.71, 76.95);
LatLng markerLocation = LatLng(31.71, 76.95);
@override
void initState() {
super.initState();
mapController = MapController();
WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
var vehicle = ref.read(vehicleSignalProvider);
var polylineDB = ref.read(polyLineStateProvider);
final polylineDBNotifier = ref.read(polyLineStateProvider.notifier);
final clusterConfig = ref.read(clusterConfigStateprovider);
// timer for updating map center and zoom
timerCurrLocation = Timer.periodic(const Duration(seconds: 2), (timer) {
polylineDB = ref.read(polyLineStateProvider);
vehicle = ref.read(vehicleSignalProvider);
markerLocation = LatLng(vehicle.currLat, vehicle.currLng);
// move and center
mapController.move(LatLng(vehicle.currLat, vehicle.currLng), 15);
// rotate
double rotationDegree = 0;
int n = polylineDB.currPolyLineList.length;
if (polylineDB.currPolyLineList.isNotEmpty && n > 1) {
rotationDegree = calcAngle(
polylineDB.currPolyLineList[0], polylineDB.currPolyLineList[1]);
rotationDegree = (rotationDegree.isNaN) ? 0 : rotationDegree;
}
// print("Rotation:$rotationDegree");
mapController.rotate(-1 * rotationDegree);
});
// update polyline in polyline db
if (polylineDB.currPolyLineList.isEmpty && clusterConfig.orsApiKey.isNotEmpty) {
timerPolyline.cancel();
timerPolyline =
Timer.periodic(const Duration(seconds: 10), (timer) async {
List data = await getJsonData(ref, vehicle.currLat, vehicle.currLng,
vehicle.desLat, vehicle.desLng);
List<LatLng> currList =
data.map((element) => LatLng(element[1], element[0])).toList();
polylineDBNotifier.update(currPolyLineList: currList);
});
}
});
}
@override
void dispose() {
super.dispose();
timerCurrLocation.cancel();
timerPolyline.cancel();
}
double tempangle = 0;
@override
Widget build(BuildContext context) {
final currListProvider = ref.watch(polyLineStateProvider);
List<LatLng> currPolyLineList = currListProvider.currPolyLineList;
return FlutterMap(
mapController: mapController,
options: MapOptions(
rotation: 0,
center: src,
minZoom: 12,
zoom: 12,
maxZoom: 22.0,
keepAlive: true,
),
layers: [
TileLayerOptions(
maxZoom: 22,
maxNativeZoom: 18,
subdomains: ["a", "b", "c"],
urlTemplate: "https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png",
userAgentPackageName: 'dev.fleaflet.flutter_map.example',
),
if (currPolyLineList.isNotEmpty)
PolylineLayerOptions(
polylineCulling: false,
polylines: [
if (currPolyLineList.isNotEmpty)
Polyline(
strokeWidth: pathStroke,
points: currPolyLineList,
color: Colors.blue,
),
],
),
if (currPolyLineList.isNotEmpty)
MarkerLayerOptions(
rotate: true,
markers: [
Marker(
point: markerLocation,
width: 70,
height: 70,
builder: (context) => Image.asset(
"images/car.png",
),
),
],
),
],
);
}
}
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