76 lines
1.9 KiB
Dart
76 lines
1.9 KiB
Dart
import 'dart:collection';
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import 'package:fast_network_navigation/structs/landmark.dart';
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import 'package:fast_network_navigation/structs/trip.dart';
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import 'package:flutter/material.dart';
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import 'package:google_maps_flutter/google_maps_flutter.dart';
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class MapWidget extends StatefulWidget {
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final Future<Trip>? trip;
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MapWidget({
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this.trip
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});
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@override
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State<MapWidget> createState() => _MapWidgetState();
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}
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class _MapWidgetState extends State<MapWidget> {
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late GoogleMapController mapController;
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// coordinates of Paris
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CameraPosition _cameraPosition = CameraPosition(
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target: LatLng(48.8566, 2.3522),
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zoom: 11.0,
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);
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Set<Marker> markers = <Marker>{};
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void _onMapCreated(GoogleMapController controller) async {
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mapController = controller;
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Trip? trip = await widget.trip;
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List<double>? newLocation = trip?.landmarks.first.location;
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if (newLocation != null) {
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CameraUpdate update = CameraUpdate.newLatLng(LatLng(newLocation[0], newLocation[1]));
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controller.moveCamera(update);
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}
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drawLandmarks();
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}
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void _onCameraIdle() {
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// print(mapController.getLatLng(ScreenCoordinate(x: 0, y: 0)));
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}
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void drawLandmarks() async {
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// (re)draws landmarks on the map
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Trip? trip = await widget.trip;
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LinkedList<Landmark>? landmarks = trip?.landmarks;
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if (landmarks != null){
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setState(() {
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for (Landmark landmark in landmarks) {
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markers.add(Marker(
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markerId: MarkerId(landmark.name),
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position: LatLng(landmark.location[0], landmark.location[1]),
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infoWindow: InfoWindow(title: landmark.name, snippet: landmark.type.name),
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));
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}
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});
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}
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}
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@override
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Widget build(BuildContext context) {
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return GoogleMap(
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onMapCreated: _onMapCreated,
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initialCameraPosition: _cameraPosition,
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onCameraIdle: _onCameraIdle,
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// onLongPress: ,
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markers: markers,
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);
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}
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}
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