mirror of
https://github.com/dz0ny/meshcore-sar.git
synced 2026-08-11 16:30:28 +00:00
1376 lines
43 KiB
Dart
1376 lines
43 KiB
Dart
import 'dart:async';
|
|
import 'dart:math';
|
|
import 'dart:ui' as ui;
|
|
import 'package:flutter/material.dart';
|
|
import 'package:flutter_map/flutter_map.dart';
|
|
import 'package:latlong2/latlong.dart';
|
|
import 'package:provider/provider.dart';
|
|
import 'package:geolocator/geolocator.dart';
|
|
import 'package:flutter_compass/flutter_compass.dart';
|
|
import 'package:shared_preferences/shared_preferences.dart';
|
|
import '../providers/contacts_provider.dart';
|
|
import '../providers/messages_provider.dart';
|
|
import '../providers/map_provider.dart';
|
|
import '../providers/app_provider.dart';
|
|
import '../models/contact.dart';
|
|
import '../models/sar_marker.dart';
|
|
import '../models/map_layer.dart';
|
|
import '../services/tile_cache_service.dart';
|
|
import '../widgets/map_markers.dart';
|
|
import 'map_management_screen.dart';
|
|
|
|
class MapTab extends StatefulWidget {
|
|
const MapTab({super.key});
|
|
|
|
@override
|
|
State<MapTab> createState() => _MapTabState();
|
|
}
|
|
|
|
class _MapTabState extends State<MapTab> with AutomaticKeepAliveClientMixin {
|
|
final MapController _mapController = MapController();
|
|
final TileCacheService _tileCache = TileCacheService();
|
|
bool _isInitialized = false;
|
|
MapLayer _currentLayer = MapLayer.openStreetMap;
|
|
Position? _currentPosition;
|
|
double? _compassHeading; // Compass sensor heading
|
|
bool _rotateMarkerWithHeading = false; // Toggle for rotation
|
|
bool _showLegend = false;
|
|
double _gpsUpdateDistance = 3.0; // meters
|
|
StreamSubscription<Position>? _positionStreamSubscription;
|
|
StreamSubscription<CompassEvent>? _compassStreamSubscription;
|
|
|
|
// Saved map position (loaded from SharedPreferences)
|
|
LatLng? _savedMapCenter;
|
|
double? _savedMapZoom;
|
|
|
|
// Default center point (will be updated based on markers)
|
|
static const LatLng _defaultCenter = LatLng(46.0569, 14.5058); // Ljubljana, Slovenia
|
|
static const double _defaultZoom = 13.0;
|
|
|
|
@override
|
|
bool get wantKeepAlive => true;
|
|
|
|
@override
|
|
void initState() {
|
|
super.initState();
|
|
_loadSettings();
|
|
_initializeTileCache();
|
|
_requestLocationPermission();
|
|
_startCompassTracking();
|
|
|
|
// Listen to map provider for navigation requests
|
|
WidgetsBinding.instance.addPostFrameCallback((_) {
|
|
final mapProvider = context.read<MapProvider>();
|
|
mapProvider.addListener(_handleMapNavigation);
|
|
});
|
|
}
|
|
|
|
void _startCompassTracking() {
|
|
final compassStream = FlutterCompass.events;
|
|
if (compassStream == null) {
|
|
return;
|
|
}
|
|
|
|
// Start listening to compass events
|
|
_compassStreamSubscription = compassStream.listen(
|
|
(CompassEvent event) {
|
|
if (mounted && event.heading != null) {
|
|
setState(() {
|
|
_compassHeading = event.heading;
|
|
});
|
|
|
|
// Rotate map if rotation mode is enabled and we have compass heading
|
|
if (_rotateMarkerWithHeading && event.heading != null) {
|
|
// Use moveAndRotate to set absolute rotation
|
|
final camera = _mapController.camera;
|
|
_mapController.moveAndRotate(
|
|
camera.center,
|
|
camera.zoom,
|
|
-event.heading!,
|
|
);
|
|
}
|
|
}
|
|
},
|
|
);
|
|
}
|
|
|
|
Future<void> _loadSettings() async {
|
|
final prefs = await SharedPreferences.getInstance();
|
|
if (mounted) {
|
|
// Load last map position if available
|
|
final lastLat = prefs.getDouble('map_last_latitude');
|
|
final lastLon = prefs.getDouble('map_last_longitude');
|
|
final lastZoom = prefs.getDouble('map_last_zoom');
|
|
|
|
setState(() {
|
|
_showLegend = prefs.getBool('map_show_legend') ?? false;
|
|
_rotateMarkerWithHeading = prefs.getBool('map_rotate_with_heading') ?? false;
|
|
_gpsUpdateDistance = prefs.getDouble('map_gps_update_distance') ?? 3.0;
|
|
|
|
// Store saved position for use in build
|
|
if (lastLat != null && lastLon != null && lastZoom != null) {
|
|
_savedMapCenter = LatLng(lastLat, lastLon);
|
|
_savedMapZoom = lastZoom;
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
Future<void> _saveSettings() async {
|
|
final prefs = await SharedPreferences.getInstance();
|
|
await prefs.setBool('map_show_legend', _showLegend);
|
|
await prefs.setBool('map_rotate_with_heading', _rotateMarkerWithHeading);
|
|
await prefs.setDouble('map_gps_update_distance', _gpsUpdateDistance);
|
|
}
|
|
|
|
Future<void> _saveMapPosition() async {
|
|
final prefs = await SharedPreferences.getInstance();
|
|
final camera = _mapController.camera;
|
|
await prefs.setDouble('map_last_latitude', camera.center.latitude);
|
|
await prefs.setDouble('map_last_longitude', camera.center.longitude);
|
|
await prefs.setDouble('map_last_zoom', camera.zoom);
|
|
}
|
|
|
|
Future<void> _requestLocationPermission() async {
|
|
bool serviceEnabled = await Geolocator.isLocationServiceEnabled();
|
|
if (!serviceEnabled) {
|
|
return;
|
|
}
|
|
|
|
LocationPermission permission = await Geolocator.checkPermission();
|
|
if (permission == LocationPermission.denied) {
|
|
permission = await Geolocator.requestPermission();
|
|
if (permission == LocationPermission.denied) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (permission == LocationPermission.deniedForever) {
|
|
return;
|
|
}
|
|
|
|
// Get initial position
|
|
try {
|
|
final position = await Geolocator.getCurrentPosition(
|
|
locationSettings: const LocationSettings(
|
|
accuracy: LocationAccuracy.best,
|
|
distanceFilter: 0,
|
|
),
|
|
);
|
|
if (mounted) {
|
|
setState(() {
|
|
_currentPosition = position;
|
|
});
|
|
}
|
|
} catch (e) {
|
|
debugPrint('Error getting location: $e');
|
|
}
|
|
|
|
// Start listening to location updates
|
|
_positionStreamSubscription = Geolocator.getPositionStream(
|
|
locationSettings: LocationSettings(
|
|
accuracy: LocationAccuracy.best,
|
|
distanceFilter: _gpsUpdateDistance.toInt(),
|
|
),
|
|
).listen((Position position) {
|
|
if (mounted) {
|
|
setState(() {
|
|
_currentPosition = position;
|
|
});
|
|
|
|
// Rotate map if rotation mode is enabled and heading is available
|
|
// Heading of -1.0 means heading is unavailable
|
|
if (_rotateMarkerWithHeading && position.heading != null && position.heading >= 0) {
|
|
final camera = _mapController.camera;
|
|
_mapController.moveAndRotate(
|
|
camera.center,
|
|
camera.zoom,
|
|
-position.heading,
|
|
);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
void _handleMapNavigation() {
|
|
final mapProvider = context.read<MapProvider>();
|
|
if (mapProvider.targetLocation != null && _isInitialized) {
|
|
_mapController.move(
|
|
mapProvider.targetLocation!,
|
|
mapProvider.targetZoom ?? _defaultZoom,
|
|
);
|
|
// Clear the navigation request after handling
|
|
mapProvider.clearNavigation();
|
|
}
|
|
}
|
|
|
|
Future<void> _initializeTileCache() async {
|
|
try {
|
|
await _tileCache.initialize();
|
|
if (mounted) {
|
|
setState(() {
|
|
_isInitialized = true;
|
|
});
|
|
}
|
|
} catch (e) {
|
|
debugPrint('Error initializing tile cache: $e');
|
|
if (mounted) {
|
|
setState(() {
|
|
_isInitialized = true; // Continue without caching
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
@override
|
|
void dispose() {
|
|
// Save map position before disposing
|
|
_saveMapPosition();
|
|
|
|
final mapProvider = context.read<MapProvider>();
|
|
mapProvider.removeListener(_handleMapNavigation);
|
|
_positionStreamSubscription?.cancel();
|
|
_compassStreamSubscription?.cancel();
|
|
_mapController.dispose();
|
|
_tileCache.dispose();
|
|
super.dispose();
|
|
}
|
|
|
|
// Get the current heading from compass or GPS
|
|
double? get _currentHeading {
|
|
// Prefer compass heading as it works when stationary
|
|
if (_compassHeading != null) {
|
|
return _compassHeading;
|
|
}
|
|
// Fall back to GPS heading when moving
|
|
if (_currentPosition?.heading != null && _currentPosition!.heading >= 0) {
|
|
return _currentPosition!.heading;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
LatLng _calculateCenter(List<Contact> contacts, List<SarMarker> sarMarkers) {
|
|
final allPoints = <LatLng>[];
|
|
|
|
for (final contact in contacts) {
|
|
if (contact.displayLocation != null) {
|
|
allPoints.add(contact.displayLocation!);
|
|
}
|
|
}
|
|
|
|
for (final marker in sarMarkers) {
|
|
allPoints.add(marker.location);
|
|
}
|
|
|
|
if (allPoints.isEmpty) return _defaultCenter;
|
|
|
|
double lat = 0, lng = 0;
|
|
for (final point in allPoints) {
|
|
lat += point.latitude;
|
|
lng += point.longitude;
|
|
}
|
|
|
|
return LatLng(lat / allPoints.length, lng / allPoints.length);
|
|
}
|
|
|
|
void _showLayerSelector(BuildContext context) {
|
|
showModalBottomSheet(
|
|
context: context,
|
|
builder: (context) => Container(
|
|
padding: const EdgeInsets.symmetric(vertical: 16),
|
|
child: Column(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
Padding(
|
|
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
|
|
child: Row(
|
|
children: [
|
|
const Icon(Icons.layers),
|
|
const SizedBox(width: 12),
|
|
Expanded(
|
|
child: Text(
|
|
'Select Map Layer',
|
|
style: Theme.of(context).textTheme.titleMedium?.copyWith(
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
),
|
|
IconButton(
|
|
icon: const Icon(Icons.download),
|
|
tooltip: 'Download visible area',
|
|
onPressed: () {
|
|
Navigator.pop(context);
|
|
_navigateToDownload(context);
|
|
},
|
|
),
|
|
],
|
|
),
|
|
),
|
|
const Divider(),
|
|
...MapLayer.allLayers.map((layer) => ListTile(
|
|
leading: _currentLayer.type == layer.type
|
|
? const Icon(Icons.check_circle, color: Colors.green)
|
|
: const Icon(Icons.radio_button_unchecked),
|
|
title: Text(layer.name),
|
|
subtitle: Text(layer.attribution),
|
|
onTap: () {
|
|
setState(() {
|
|
_currentLayer = layer;
|
|
});
|
|
Navigator.pop(context);
|
|
},
|
|
)),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
void _navigateToDownload(BuildContext context) {
|
|
// Get current map bounds
|
|
final bounds = _mapController.camera.visibleBounds;
|
|
final currentZoom = _mapController.camera.zoom.round();
|
|
|
|
// Navigate to Map Management screen with pre-populated data
|
|
final appProvider = context.read<AppProvider>();
|
|
Navigator.push(
|
|
context,
|
|
MaterialPageRoute(
|
|
builder: (context) => MapManagementScreen(
|
|
tileCacheService: appProvider.tileCacheService,
|
|
initialLayer: _currentLayer,
|
|
initialBounds: bounds,
|
|
initialZoom: currentZoom,
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
void _showOptionsMenu(BuildContext context) {
|
|
showModalBottomSheet(
|
|
context: context,
|
|
builder: (context) => StatefulBuilder(
|
|
builder: (context, setModalState) => Container(
|
|
padding: const EdgeInsets.symmetric(vertical: 16),
|
|
child: Column(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
Padding(
|
|
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
|
|
child: Row(
|
|
children: [
|
|
const Icon(Icons.settings),
|
|
const SizedBox(width: 12),
|
|
Text(
|
|
'Map Options',
|
|
style: Theme.of(context).textTheme.titleMedium?.copyWith(
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
const Divider(),
|
|
// Legend toggle
|
|
SwitchListTile(
|
|
secondary: const Icon(Icons.info_outline),
|
|
title: const Text('Show Legend'),
|
|
subtitle: const Text('Display marker type counts'),
|
|
value: _showLegend,
|
|
onChanged: (value) {
|
|
setState(() {
|
|
_showLegend = value;
|
|
});
|
|
setModalState(() {});
|
|
_saveSettings();
|
|
},
|
|
),
|
|
const Divider(),
|
|
// Compass rotation toggle
|
|
SwitchListTile(
|
|
secondary: const Icon(Icons.explore),
|
|
title: const Text('Rotate Map with Heading'),
|
|
subtitle: const Text('Map follows your direction when moving'),
|
|
value: _rotateMarkerWithHeading,
|
|
onChanged: (value) {
|
|
setState(() {
|
|
_rotateMarkerWithHeading = value;
|
|
// Reset map rotation when disabling
|
|
final camera = _mapController.camera;
|
|
if (!_rotateMarkerWithHeading) {
|
|
_mapController.moveAndRotate(camera.center, camera.zoom, 0);
|
|
} else if (_currentHeading != null) {
|
|
// Apply current heading rotation when enabling (if heading is valid)
|
|
_mapController.moveAndRotate(
|
|
camera.center,
|
|
camera.zoom,
|
|
-_currentHeading!,
|
|
);
|
|
}
|
|
});
|
|
setModalState(() {});
|
|
_saveSettings();
|
|
},
|
|
),
|
|
const Divider(),
|
|
// GPS Update Distance
|
|
ListTile(
|
|
leading: const Icon(Icons.gps_fixed),
|
|
title: const Text('GPS Update Distance'),
|
|
subtitle: Text('${_gpsUpdateDistance.toStringAsFixed(0)} meters'),
|
|
),
|
|
Padding(
|
|
padding: const EdgeInsets.symmetric(horizontal: 16),
|
|
child: Column(
|
|
children: [
|
|
Slider(
|
|
value: _gpsUpdateDistance,
|
|
min: 1,
|
|
max: 20,
|
|
divisions: 19,
|
|
label: '${_gpsUpdateDistance.toStringAsFixed(0)}m',
|
|
onChanged: (value) {
|
|
setModalState(() {
|
|
_gpsUpdateDistance = value;
|
|
});
|
|
},
|
|
onChangeEnd: (value) {
|
|
setState(() {
|
|
_gpsUpdateDistance = value;
|
|
});
|
|
// Restart location stream with new distance
|
|
_restartLocationStream();
|
|
_saveSettings();
|
|
},
|
|
),
|
|
Padding(
|
|
padding: const EdgeInsets.symmetric(horizontal: 8),
|
|
child: Row(
|
|
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
|
children: [
|
|
Text(
|
|
'1m',
|
|
style: Theme.of(context).textTheme.bodySmall,
|
|
),
|
|
Text(
|
|
'20m',
|
|
style: Theme.of(context).textTheme.bodySmall,
|
|
),
|
|
],
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
void _showDetailedCompass(BuildContext context, List<Contact> contacts) {
|
|
showDialog(
|
|
context: context,
|
|
builder: (context) => _DetailedCompassDialog(
|
|
initialPosition: _currentPosition,
|
|
initialHeading: _currentHeading,
|
|
contacts: contacts,
|
|
),
|
|
);
|
|
}
|
|
|
|
void _restartLocationStream() {
|
|
// Cancel existing subscription
|
|
_positionStreamSubscription?.cancel();
|
|
|
|
// Start new stream with updated distance
|
|
_positionStreamSubscription = Geolocator.getPositionStream(
|
|
locationSettings: LocationSettings(
|
|
accuracy: LocationAccuracy.best,
|
|
distanceFilter: _gpsUpdateDistance.toInt(),
|
|
),
|
|
).listen((Position position) {
|
|
if (mounted) {
|
|
setState(() {
|
|
_currentPosition = position;
|
|
});
|
|
|
|
// Rotate map if rotation mode is enabled and heading is available
|
|
// Heading of -1.0 means heading is unavailable
|
|
if (_rotateMarkerWithHeading && position.heading != null && position.heading >= 0) {
|
|
final camera = _mapController.camera;
|
|
_mapController.moveAndRotate(
|
|
camera.center,
|
|
camera.zoom,
|
|
-position.heading,
|
|
);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
super.build(context); // Required for AutomaticKeepAliveClientMixin
|
|
return Consumer2<ContactsProvider, MessagesProvider>(
|
|
builder: (context, contactsProvider, messagesProvider, child) {
|
|
final contactsWithLocation = contactsProvider.chatContactsWithLocation;
|
|
final sarMarkers = messagesProvider.sarMarkers;
|
|
final center = _calculateCenter(contactsWithLocation, sarMarkers);
|
|
|
|
return Stack(
|
|
children: [
|
|
// Map widget
|
|
_isInitialized
|
|
? FlutterMap(
|
|
mapController: _mapController,
|
|
options: MapOptions(
|
|
// Use saved position if available, otherwise use calculated center
|
|
initialCenter: _savedMapCenter ?? center,
|
|
initialZoom: _savedMapZoom ?? _defaultZoom,
|
|
minZoom: 5,
|
|
maxZoom: 18,
|
|
interactionOptions: const InteractionOptions(
|
|
flags: InteractiveFlag.all,
|
|
),
|
|
onMapEvent: (event) {
|
|
// Save map position when user stops panning/zooming
|
|
if (event is MapEventMoveEnd || event is MapEventScrollWheelZoom) {
|
|
_saveMapPosition();
|
|
}
|
|
},
|
|
),
|
|
children: [
|
|
TileLayer(
|
|
urlTemplate: _currentLayer.urlTemplate,
|
|
tileProvider: _tileCache.getTileProvider(_currentLayer),
|
|
userAgentPackageName: 'com.meshcore.sar',
|
|
maxZoom: _currentLayer.maxZoom.toDouble(),
|
|
),
|
|
MarkerLayer(
|
|
markers: [
|
|
...MapMarkers.createTeamMemberMarkers(
|
|
contactsWithLocation,
|
|
context,
|
|
),
|
|
...MapMarkers.createSarMarkers(
|
|
sarMarkers,
|
|
context,
|
|
),
|
|
// User location marker
|
|
if (_currentPosition != null)
|
|
Marker(
|
|
point: LatLng(
|
|
_currentPosition!.latitude,
|
|
_currentPosition!.longitude,
|
|
),
|
|
width: 40,
|
|
height: 40,
|
|
rotate: false, // Don't rotate with map
|
|
child: Container(
|
|
decoration: BoxDecoration(
|
|
color: Colors.blue.withValues(alpha: 0.3),
|
|
shape: BoxShape.circle,
|
|
),
|
|
child: Container(
|
|
margin: const EdgeInsets.all(8),
|
|
decoration: const BoxDecoration(
|
|
color: Colors.blue,
|
|
shape: BoxShape.circle,
|
|
boxShadow: [
|
|
BoxShadow(
|
|
color: Colors.black26,
|
|
blurRadius: 4,
|
|
),
|
|
],
|
|
),
|
|
child: const Icon(
|
|
Icons.my_location,
|
|
color: Colors.white,
|
|
size: 16,
|
|
),
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
],
|
|
)
|
|
: Center(
|
|
child: Column(
|
|
mainAxisAlignment: MainAxisAlignment.center,
|
|
children: [
|
|
const CircularProgressIndicator(),
|
|
const SizedBox(height: 16),
|
|
Text(
|
|
'Initializing map...',
|
|
style: Theme.of(context).textTheme.bodyMedium,
|
|
),
|
|
],
|
|
),
|
|
),
|
|
// Compass widget - top right
|
|
if (_rotateMarkerWithHeading)
|
|
Positioned(
|
|
top: 16,
|
|
right: 16,
|
|
child: GestureDetector(
|
|
onTap: () => _showDetailedCompass(
|
|
context,
|
|
contactsProvider.chatContactsWithLocation,
|
|
),
|
|
child: _CompassWidget(
|
|
heading: _currentHeading ?? 0,
|
|
hasHeading: _currentHeading != null,
|
|
),
|
|
),
|
|
),
|
|
// Map legend overlay
|
|
if (_showLegend)
|
|
Positioned(
|
|
top: _rotateMarkerWithHeading ? 80 : 16,
|
|
right: 16,
|
|
child: _MapLegend(
|
|
teamMemberCount: contactsWithLocation.length,
|
|
foundPersonCount: messagesProvider.foundPersonMarkers.length,
|
|
fireCount: messagesProvider.fireMarkers.length,
|
|
stagingAreaCount: messagesProvider.stagingAreaMarkers.length,
|
|
),
|
|
),
|
|
// Map controls - right side
|
|
Positioned(
|
|
bottom: 16,
|
|
right: 16,
|
|
child: Column(
|
|
children: [
|
|
FloatingActionButton.small(
|
|
heroTag: 'center_map',
|
|
onPressed: () async {
|
|
// Force update GPS location and jump to it
|
|
try {
|
|
final position = await Geolocator.getCurrentPosition(
|
|
locationSettings: const LocationSettings(
|
|
accuracy: LocationAccuracy.best,
|
|
distanceFilter: 0,
|
|
),
|
|
);
|
|
if (mounted) {
|
|
setState(() {
|
|
_currentPosition = position;
|
|
});
|
|
_mapController.move(
|
|
LatLng(position.latitude, position.longitude),
|
|
16,
|
|
);
|
|
}
|
|
} catch (e) {
|
|
debugPrint('Error getting location: $e');
|
|
// Fallback to cached position or default center
|
|
if (_currentPosition != null) {
|
|
_mapController.move(
|
|
LatLng(
|
|
_currentPosition!.latitude,
|
|
_currentPosition!.longitude,
|
|
),
|
|
16,
|
|
);
|
|
} else {
|
|
_mapController.move(center, _defaultZoom);
|
|
}
|
|
}
|
|
},
|
|
child: const Icon(Icons.my_location),
|
|
),
|
|
const SizedBox(height: 8),
|
|
FloatingActionButton.small(
|
|
heroTag: 'layer_selector',
|
|
onPressed: () => _showLayerSelector(context),
|
|
child: const Icon(Icons.layers),
|
|
),
|
|
const SizedBox(height: 8),
|
|
FloatingActionButton.small(
|
|
heroTag: 'options_menu',
|
|
onPressed: () => _showOptionsMenu(context),
|
|
child: const Icon(Icons.more_vert),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
],
|
|
);
|
|
},
|
|
);
|
|
}
|
|
}
|
|
|
|
class _MapLegend extends StatelessWidget {
|
|
final int teamMemberCount;
|
|
final int foundPersonCount;
|
|
final int fireCount;
|
|
final int stagingAreaCount;
|
|
|
|
const _MapLegend({
|
|
required this.teamMemberCount,
|
|
required this.foundPersonCount,
|
|
required this.fireCount,
|
|
required this.stagingAreaCount,
|
|
});
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Card(
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(12),
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
Text(
|
|
'Legend',
|
|
style: Theme.of(context).textTheme.titleSmall?.copyWith(
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
const SizedBox(height: 8),
|
|
_LegendItem(
|
|
icon: Icons.person,
|
|
color: Colors.blue,
|
|
label: 'Team',
|
|
count: teamMemberCount,
|
|
),
|
|
_LegendItem(
|
|
icon: Icons.person_pin,
|
|
color: Colors.green,
|
|
label: 'Found',
|
|
count: foundPersonCount,
|
|
),
|
|
_LegendItem(
|
|
icon: Icons.local_fire_department,
|
|
color: Colors.red,
|
|
label: 'Fire',
|
|
count: fireCount,
|
|
),
|
|
_LegendItem(
|
|
icon: Icons.home_work,
|
|
color: Colors.orange,
|
|
label: 'Staging',
|
|
count: stagingAreaCount,
|
|
),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|
|
class _LegendItem extends StatelessWidget {
|
|
final IconData icon;
|
|
final Color color;
|
|
final String label;
|
|
final int count;
|
|
|
|
const _LegendItem({
|
|
required this.icon,
|
|
required this.color,
|
|
required this.label,
|
|
required this.count,
|
|
});
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Padding(
|
|
padding: const EdgeInsets.symmetric(vertical: 4),
|
|
child: Row(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
Icon(icon, size: 16, color: color),
|
|
const SizedBox(width: 8),
|
|
Text(
|
|
label,
|
|
style: Theme.of(context).textTheme.bodySmall,
|
|
),
|
|
const SizedBox(width: 4),
|
|
Container(
|
|
padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 1),
|
|
decoration: BoxDecoration(
|
|
color: color.withValues(alpha: 0.2),
|
|
borderRadius: BorderRadius.circular(8),
|
|
),
|
|
child: Text(
|
|
count.toString(),
|
|
style: Theme.of(context).textTheme.labelSmall?.copyWith(
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|
|
class _CompassWidget extends StatelessWidget {
|
|
final double heading;
|
|
final bool hasHeading;
|
|
|
|
const _CompassWidget({
|
|
required this.heading,
|
|
required this.hasHeading,
|
|
});
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Card(
|
|
child: Container(
|
|
width: 56,
|
|
height: 56,
|
|
padding: const EdgeInsets.all(8),
|
|
child: Stack(
|
|
alignment: Alignment.center,
|
|
children: [
|
|
// Compass rose background - rotates to show true north at top
|
|
Transform.rotate(
|
|
angle: heading * pi / 180,
|
|
child: CustomPaint(
|
|
size: const Size(40, 40),
|
|
painter: _CompassRosePainter(),
|
|
),
|
|
),
|
|
// Fixed needle pointing up (since map rotates)
|
|
Icon(
|
|
Icons.navigation,
|
|
color: hasHeading ? Colors.red : Colors.grey,
|
|
size: 28,
|
|
),
|
|
// Heading text
|
|
Positioned(
|
|
bottom: 0,
|
|
child: Container(
|
|
padding: const EdgeInsets.symmetric(horizontal: 4, vertical: 1),
|
|
decoration: BoxDecoration(
|
|
color: Colors.black.withValues(alpha: 0.7),
|
|
borderRadius: BorderRadius.circular(4),
|
|
),
|
|
child: Text(
|
|
hasHeading ? '${heading.round()}°' : '--',
|
|
style: const TextStyle(
|
|
color: Colors.white,
|
|
fontSize: 9,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|
|
class _CompassRosePainter extends CustomPainter {
|
|
@override
|
|
void paint(Canvas canvas, Size size) {
|
|
final paint = Paint()
|
|
..color = Colors.grey.withValues(alpha: 0.3)
|
|
..style = PaintingStyle.stroke
|
|
..strokeWidth = 1;
|
|
|
|
final center = Offset(size.width / 2, size.height / 2);
|
|
final radius = size.width / 2;
|
|
|
|
// Draw circle
|
|
canvas.drawCircle(center, radius, paint);
|
|
|
|
// Draw cardinal direction markers
|
|
final textPainter = TextPainter(
|
|
textDirection: TextDirection.ltr,
|
|
);
|
|
|
|
final directions = ['N', 'E', 'S', 'W'];
|
|
for (int i = 0; i < 4; i++) {
|
|
final angle = i * pi / 2 - pi / 2; // Start from North (top)
|
|
final x = center.dx + radius * 0.7 * cos(angle);
|
|
final y = center.dy + radius * 0.7 * sin(angle);
|
|
|
|
textPainter.text = TextSpan(
|
|
text: directions[i],
|
|
style: TextStyle(
|
|
color: Colors.grey.shade700,
|
|
fontSize: 10,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
);
|
|
textPainter.layout();
|
|
textPainter.paint(
|
|
canvas,
|
|
Offset(x - textPainter.width / 2, y - textPainter.height / 2),
|
|
);
|
|
}
|
|
}
|
|
|
|
@override
|
|
bool shouldRepaint(covariant CustomPainter oldDelegate) => false;
|
|
}
|
|
|
|
// Detailed Compass Dialog
|
|
class _DetailedCompassDialog extends StatefulWidget {
|
|
final Position? initialPosition;
|
|
final double? initialHeading;
|
|
final List<Contact> contacts;
|
|
|
|
const _DetailedCompassDialog({
|
|
required this.initialPosition,
|
|
required this.initialHeading,
|
|
required this.contacts,
|
|
});
|
|
|
|
@override
|
|
State<_DetailedCompassDialog> createState() => _DetailedCompassDialogState();
|
|
}
|
|
|
|
class _DetailedCompassDialogState extends State<_DetailedCompassDialog> {
|
|
double? _currentHeading;
|
|
Position? _currentPosition;
|
|
StreamSubscription<CompassEvent>? _compassSubscription;
|
|
StreamSubscription<Position>? _positionSubscription;
|
|
|
|
@override
|
|
void initState() {
|
|
super.initState();
|
|
_currentHeading = widget.initialHeading;
|
|
_currentPosition = widget.initialPosition;
|
|
|
|
// Subscribe to compass updates
|
|
final compassStream = FlutterCompass.events;
|
|
if (compassStream != null) {
|
|
_compassSubscription = compassStream.listen((event) {
|
|
if (mounted && event.heading != null) {
|
|
setState(() {
|
|
_currentHeading = event.heading;
|
|
});
|
|
}
|
|
});
|
|
}
|
|
|
|
// Subscribe to position updates
|
|
_positionSubscription = Geolocator.getPositionStream(
|
|
locationSettings: const LocationSettings(
|
|
accuracy: LocationAccuracy.best,
|
|
distanceFilter: 1,
|
|
),
|
|
).listen((position) {
|
|
if (mounted) {
|
|
setState(() {
|
|
_currentPosition = position;
|
|
});
|
|
}
|
|
});
|
|
}
|
|
|
|
@override
|
|
void dispose() {
|
|
_compassSubscription?.cancel();
|
|
_positionSubscription?.cancel();
|
|
super.dispose();
|
|
}
|
|
|
|
// Get current heading (prefer compass over GPS)
|
|
double? get currentHeading {
|
|
if (_currentHeading != null) return _currentHeading;
|
|
if (_currentPosition?.heading != null && _currentPosition!.heading >= 0) {
|
|
return _currentPosition!.heading;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
final heading = currentHeading;
|
|
final position = _currentPosition;
|
|
return Dialog(
|
|
backgroundColor: Colors.transparent,
|
|
child: Container(
|
|
padding: const EdgeInsets.all(16),
|
|
decoration: BoxDecoration(
|
|
color: Theme.of(context).colorScheme.surface,
|
|
borderRadius: BorderRadius.circular(16),
|
|
),
|
|
child: Column(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
// Header
|
|
Row(
|
|
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
|
children: [
|
|
Text(
|
|
'Compass View',
|
|
style: Theme.of(context).textTheme.titleLarge?.copyWith(
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
IconButton(
|
|
icon: const Icon(Icons.close),
|
|
onPressed: () => Navigator.pop(context),
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 16),
|
|
// Heading and Elevation info
|
|
_buildInfoRow(context, heading, position),
|
|
const SizedBox(height: 24),
|
|
// Large compass
|
|
SizedBox(
|
|
width: 300,
|
|
height: 300,
|
|
child: _DetailedCompassPainter(
|
|
heading: heading ?? 0,
|
|
hasHeading: heading != null,
|
|
currentPosition: position,
|
|
contacts: widget.contacts,
|
|
),
|
|
),
|
|
const SizedBox(height: 16),
|
|
// Contacts list
|
|
if (widget.contacts.isNotEmpty) _buildContactsList(context, heading, position),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
Widget _buildInfoRow(BuildContext context, double? heading, Position? position) {
|
|
return Row(
|
|
mainAxisAlignment: MainAxisAlignment.spaceAround,
|
|
children: [
|
|
_buildInfoCard(
|
|
context,
|
|
'Heading',
|
|
heading != null ? '${heading.round()}°' : '--',
|
|
Icons.explore,
|
|
),
|
|
_buildInfoCard(
|
|
context,
|
|
'Elevation',
|
|
position?.altitude != null
|
|
? '${position!.altitude.round()}m'
|
|
: '--',
|
|
Icons.terrain,
|
|
),
|
|
_buildInfoCard(
|
|
context,
|
|
'Accuracy',
|
|
position?.accuracy != null
|
|
? '±${position!.accuracy.round()}m'
|
|
: '--',
|
|
Icons.gps_fixed,
|
|
),
|
|
],
|
|
);
|
|
}
|
|
|
|
Widget _buildInfoCard(
|
|
BuildContext context, String label, String value, IconData icon) {
|
|
return Column(
|
|
children: [
|
|
Icon(icon, size: 20, color: Theme.of(context).colorScheme.primary),
|
|
const SizedBox(height: 4),
|
|
Text(
|
|
value,
|
|
style: Theme.of(context).textTheme.titleMedium?.copyWith(
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
Text(
|
|
label,
|
|
style: Theme.of(context).textTheme.bodySmall,
|
|
),
|
|
],
|
|
);
|
|
}
|
|
|
|
Widget _buildContactsList(BuildContext context, double? heading, Position? position) {
|
|
if (position == null) {
|
|
return const Text('Location unavailable');
|
|
}
|
|
|
|
// Calculate bearings and distances
|
|
final contactsWithBearing = widget.contacts.map((contact) {
|
|
if (contact.displayLocation == null) return null;
|
|
|
|
final bearing = _calculateBearing(
|
|
position.latitude,
|
|
position.longitude,
|
|
contact.displayLocation!.latitude,
|
|
contact.displayLocation!.longitude,
|
|
);
|
|
|
|
final distance = _calculateDistance(
|
|
position.latitude,
|
|
position.longitude,
|
|
contact.displayLocation!.latitude,
|
|
contact.displayLocation!.longitude,
|
|
);
|
|
|
|
return {
|
|
'contact': contact,
|
|
'bearing': bearing,
|
|
'distance': distance,
|
|
};
|
|
}).whereType<Map<String, dynamic>>().toList();
|
|
|
|
// Sort by distance
|
|
contactsWithBearing.sort((a, b) =>
|
|
(a['distance'] as double).compareTo(b['distance'] as double));
|
|
|
|
return Container(
|
|
constraints: const BoxConstraints(maxHeight: 150),
|
|
child: ListView.builder(
|
|
shrinkWrap: true,
|
|
itemCount: contactsWithBearing.length,
|
|
itemBuilder: (context, index) {
|
|
final item = contactsWithBearing[index];
|
|
final contact = item['contact'] as Contact;
|
|
final bearing = item['bearing'] as double;
|
|
final distance = item['distance'] as double;
|
|
|
|
return ListTile(
|
|
dense: true,
|
|
leading: Icon(
|
|
Icons.person,
|
|
color: Colors.blue,
|
|
size: 20,
|
|
),
|
|
title: Text(contact.advName),
|
|
subtitle: Text(
|
|
'${_bearingToCardinal(bearing)} • ${_formatDistance(distance)}',
|
|
style: Theme.of(context).textTheme.bodySmall,
|
|
),
|
|
trailing: Text(
|
|
'${bearing.round()}°',
|
|
style: Theme.of(context).textTheme.bodySmall?.copyWith(
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
);
|
|
},
|
|
),
|
|
);
|
|
}
|
|
|
|
// Calculate bearing between two points (in degrees)
|
|
double _calculateBearing(
|
|
double lat1, double lon1, double lat2, double lon2) {
|
|
final dLon = (lon2 - lon1) * pi / 180;
|
|
final lat1Rad = lat1 * pi / 180;
|
|
final lat2Rad = lat2 * pi / 180;
|
|
|
|
final y = sin(dLon) * cos(lat2Rad);
|
|
final x = cos(lat1Rad) * sin(lat2Rad) -
|
|
sin(lat1Rad) * cos(lat2Rad) * cos(dLon);
|
|
|
|
final bearing = atan2(y, x) * 180 / pi;
|
|
return (bearing + 360) % 360;
|
|
}
|
|
|
|
// Calculate distance between two points (in meters)
|
|
double _calculateDistance(
|
|
double lat1, double lon1, double lat2, double lon2) {
|
|
const R = 6371000; // Earth's radius in meters
|
|
final dLat = (lat2 - lat1) * pi / 180;
|
|
final dLon = (lon2 - lon1) * pi / 180;
|
|
|
|
final a = sin(dLat / 2) * sin(dLat / 2) +
|
|
cos(lat1 * pi / 180) *
|
|
cos(lat2 * pi / 180) *
|
|
sin(dLon / 2) *
|
|
sin(dLon / 2);
|
|
|
|
final c = 2 * atan2(sqrt(a), sqrt(1 - a));
|
|
return R * c;
|
|
}
|
|
|
|
String _bearingToCardinal(double bearing) {
|
|
const directions = ['N', 'NE', 'E', 'SE', 'S', 'SW', 'W', 'NW'];
|
|
final index = ((bearing + 22.5) / 45).floor() % 8;
|
|
return directions[index];
|
|
}
|
|
|
|
String _formatDistance(double meters) {
|
|
if (meters < 1000) {
|
|
return '${meters.round()}m';
|
|
} else {
|
|
return '${(meters / 1000).toStringAsFixed(1)}km';
|
|
}
|
|
}
|
|
}
|
|
|
|
// Detailed Compass Painter with contacts
|
|
class _DetailedCompassPainter extends StatelessWidget {
|
|
final double heading;
|
|
final bool hasHeading;
|
|
final Position? currentPosition;
|
|
final List<Contact> contacts;
|
|
|
|
const _DetailedCompassPainter({
|
|
required this.heading,
|
|
required this.hasHeading,
|
|
required this.currentPosition,
|
|
required this.contacts,
|
|
});
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return CustomPaint(
|
|
painter: _LargeCompassPainter(
|
|
heading: heading,
|
|
hasHeading: hasHeading,
|
|
currentPosition: currentPosition,
|
|
contacts: contacts,
|
|
),
|
|
child: Container(),
|
|
);
|
|
}
|
|
}
|
|
|
|
class _LargeCompassPainter extends CustomPainter {
|
|
final double heading;
|
|
final bool hasHeading;
|
|
final Position? currentPosition;
|
|
final List<Contact> contacts;
|
|
|
|
_LargeCompassPainter({
|
|
required this.heading,
|
|
required this.hasHeading,
|
|
required this.currentPosition,
|
|
required this.contacts,
|
|
});
|
|
|
|
@override
|
|
void paint(Canvas canvas, Size size) {
|
|
final center = Offset(size.width / 2, size.height / 2);
|
|
final radius = size.width / 2;
|
|
|
|
// Draw outer circle
|
|
final circlePaint = Paint()
|
|
..color = Colors.grey.withValues(alpha: 0.2)
|
|
..style = PaintingStyle.stroke
|
|
..strokeWidth = 2;
|
|
canvas.drawCircle(center, radius, circlePaint);
|
|
|
|
// Draw degree markers
|
|
for (int i = 0; i < 360; i += 10) {
|
|
final angle = i * pi / 180 - pi / 2 + heading * pi / 180;
|
|
final isCardinal = i % 90 == 0;
|
|
final isMajor = i % 30 == 0;
|
|
|
|
final startRadius = isCardinal ? radius - 25 : (isMajor ? radius - 15 : radius - 10);
|
|
final start = Offset(
|
|
center.dx + startRadius * cos(angle),
|
|
center.dy + startRadius * sin(angle),
|
|
);
|
|
final end = Offset(
|
|
center.dx + radius * cos(angle),
|
|
center.dy + radius * sin(angle),
|
|
);
|
|
|
|
final markerPaint = Paint()
|
|
..color = isCardinal ? Colors.red : Colors.grey
|
|
..strokeWidth = isCardinal ? 3 : (isMajor ? 2 : 1);
|
|
|
|
canvas.drawLine(start, end, markerPaint);
|
|
}
|
|
|
|
// Draw cardinal directions
|
|
final textPainter = TextPainter(textDirection: TextDirection.ltr);
|
|
final directions = ['N', 'E', 'S', 'W'];
|
|
for (int i = 0; i < 4; i++) {
|
|
final angle = i * pi / 2 - pi / 2 + heading * pi / 180;
|
|
final x = center.dx + (radius - 35) * cos(angle);
|
|
final y = center.dy + (radius - 35) * sin(angle);
|
|
|
|
textPainter.text = TextSpan(
|
|
text: directions[i],
|
|
style: TextStyle(
|
|
color: i == 0 ? Colors.red : Colors.grey.shade700,
|
|
fontSize: 24,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
);
|
|
textPainter.layout();
|
|
textPainter.paint(
|
|
canvas,
|
|
Offset(x - textPainter.width / 2, y - textPainter.height / 2),
|
|
);
|
|
}
|
|
|
|
// Draw contacts as dots
|
|
if (currentPosition != null) {
|
|
for (final contact in contacts) {
|
|
if (contact.displayLocation == null) continue;
|
|
|
|
final bearing = _calculateBearing(
|
|
currentPosition!.latitude,
|
|
currentPosition!.longitude,
|
|
contact.displayLocation!.latitude,
|
|
contact.displayLocation!.longitude,
|
|
);
|
|
|
|
// Adjust bearing relative to current heading
|
|
final relativeBearing = (bearing - heading + 360) % 360;
|
|
final angle = relativeBearing * pi / 180 - pi / 2;
|
|
|
|
// Place contact dot
|
|
final dotRadius = radius * 0.7;
|
|
final dotX = center.dx + dotRadius * cos(angle);
|
|
final dotY = center.dy + dotRadius * sin(angle);
|
|
|
|
// Draw dot
|
|
final dotPaint = Paint()
|
|
..color = Colors.blue
|
|
..style = PaintingStyle.fill;
|
|
canvas.drawCircle(Offset(dotX, dotY), 6, dotPaint);
|
|
|
|
// Draw white border
|
|
final borderPaint = Paint()
|
|
..color = Colors.white
|
|
..style = PaintingStyle.stroke
|
|
..strokeWidth = 2;
|
|
canvas.drawCircle(Offset(dotX, dotY), 6, borderPaint);
|
|
}
|
|
}
|
|
|
|
// Draw center heading indicator (fixed pointing up)
|
|
final indicatorPaint = Paint()
|
|
..color = hasHeading ? Colors.red : Colors.grey
|
|
..style = PaintingStyle.fill;
|
|
|
|
final path = ui.Path()
|
|
..moveTo(center.dx, center.dy - 40)
|
|
..lineTo(center.dx - 10, center.dy + 10)
|
|
..lineTo(center.dx + 10, center.dy + 10)
|
|
..close();
|
|
|
|
canvas.drawPath(path, indicatorPaint);
|
|
}
|
|
|
|
double _calculateBearing(
|
|
double lat1, double lon1, double lat2, double lon2) {
|
|
final dLon = (lon2 - lon1) * pi / 180;
|
|
final lat1Rad = lat1 * pi / 180;
|
|
final lat2Rad = lat2 * pi / 180;
|
|
|
|
final y = sin(dLon) * cos(lat2Rad);
|
|
final x = cos(lat1Rad) * sin(lat2Rad) -
|
|
sin(lat1Rad) * cos(lat2Rad) * cos(dLon);
|
|
|
|
final bearing = atan2(y, x) * 180 / pi;
|
|
return (bearing + 360) % 360;
|
|
}
|
|
|
|
@override
|
|
bool shouldRepaint(covariant CustomPainter oldDelegate) => true;
|
|
}
|
|
|