426 lines
14 KiB
Dart
426 lines
14 KiB
Dart
import 'package:flutter/material.dart';
|
|
import 'package:flutter_map/flutter_map.dart';
|
|
import 'package:latlong2/latlong.dart';
|
|
import 'package:geocoding/geocoding.dart';
|
|
import 'dart:math' as math;
|
|
|
|
class LocationResult {
|
|
final String address;
|
|
final double latitude;
|
|
final double longitude;
|
|
|
|
LocationResult({
|
|
required this.address,
|
|
required this.latitude,
|
|
required this.longitude,
|
|
});
|
|
}
|
|
|
|
class LocationPickerDialog extends StatefulWidget {
|
|
final String? initialAddress;
|
|
final double? initialLatitude;
|
|
final double? initialLongitude;
|
|
final bool fullscreen;
|
|
|
|
const LocationPickerDialog({
|
|
super.key,
|
|
this.initialAddress,
|
|
this.initialLatitude,
|
|
this.initialLongitude,
|
|
this.fullscreen = false,
|
|
});
|
|
|
|
@override
|
|
State<LocationPickerDialog> createState() => _LocationPickerDialogState();
|
|
}
|
|
|
|
class _LocationPickerDialogState extends State<LocationPickerDialog> {
|
|
late LatLng _selectedLatLng;
|
|
String _selectedAddress = '';
|
|
bool _isLoading = false;
|
|
double _rotation = 0.0;
|
|
final TextEditingController _searchController = TextEditingController();
|
|
final MapController _mapController = MapController();
|
|
|
|
@override
|
|
void initState() {
|
|
super.initState();
|
|
_selectedLatLng = LatLng(
|
|
widget.initialLatitude ?? -7.797068,
|
|
widget.initialLongitude ?? 110.370529,
|
|
);
|
|
_selectedAddress = widget.initialAddress ?? '';
|
|
_getAddressFromLatLng(_selectedLatLng.latitude, _selectedLatLng.longitude);
|
|
}
|
|
|
|
Future<void> _getAddressFromLatLng(double lat, double lng) async {
|
|
setState(() => _isLoading = true);
|
|
try {
|
|
List<Placemark> placemarks = await placemarkFromCoordinates(lat, lng);
|
|
if (placemarks.isNotEmpty) {
|
|
Placemark place = placemarks[0];
|
|
String address =
|
|
'${place.street}, ${place.subLocality}, ${place.locality}, ${place.subAdministrativeArea}, ${place.administrativeArea} ${place.postalCode}, ${place.country}';
|
|
address = address.replaceAll(RegExp(r', ,'), ',');
|
|
address = address.replaceAll(RegExp(r',,'), ',');
|
|
address = address.replaceAll(RegExp(r'^, '), '');
|
|
setState(() {
|
|
_selectedAddress = address;
|
|
});
|
|
}
|
|
} catch (e) {
|
|
setState(() {
|
|
_selectedAddress = '';
|
|
});
|
|
}
|
|
setState(() => _isLoading = false);
|
|
}
|
|
|
|
Future<void> _findLocation(String query) async {
|
|
if (query.isEmpty) return;
|
|
// Cek apakah input berupa koordinat lat,lng
|
|
final coordReg = RegExp(r'^\s*(-?\d+(?:\.\d+)?),\s*(-?\d+(?:\.\d+)?)\s*\$');
|
|
final match = coordReg.firstMatch(query);
|
|
if (match != null) {
|
|
final lat = double.tryParse(match.group(1)!);
|
|
final lng = double.tryParse(match.group(2)!);
|
|
if (lat != null && lng != null) {
|
|
final latLng = LatLng(lat, lng);
|
|
setState(() {
|
|
_selectedLatLng = latLng;
|
|
});
|
|
_mapController.move(latLng, 15.0);
|
|
await _getAddressFromLatLng(lat, lng);
|
|
return;
|
|
}
|
|
}
|
|
setState(() => _isLoading = true);
|
|
try {
|
|
List<Location> locations = await locationFromAddress(query);
|
|
if (locations.isNotEmpty) {
|
|
final loc = locations.first;
|
|
final latLng = LatLng(loc.latitude, loc.longitude);
|
|
setState(() {
|
|
_selectedLatLng = latLng;
|
|
});
|
|
_mapController.move(latLng, 15.0);
|
|
await _getAddressFromLatLng(latLng.latitude, latLng.longitude);
|
|
} else {
|
|
ScaffoldMessenger.of(
|
|
context,
|
|
).showSnackBar(SnackBar(content: Text('Lokasi tidak ditemukan!')));
|
|
}
|
|
} catch (e) {
|
|
ScaffoldMessenger.of(context).showSnackBar(
|
|
SnackBar(content: Text('Terjadi error saat mencari lokasi')),
|
|
);
|
|
}
|
|
setState(() => _isLoading = false);
|
|
}
|
|
|
|
void _resetNorth() {
|
|
setState(() {
|
|
_rotation = 0.0;
|
|
});
|
|
_mapController.rotate(0.0);
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
final isFullscreen = widget.fullscreen;
|
|
final dialogContent = Column(
|
|
children: [
|
|
// Header
|
|
Container(
|
|
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
|
|
decoration: BoxDecoration(
|
|
color: Theme.of(context).primaryColor,
|
|
borderRadius:
|
|
isFullscreen
|
|
? null
|
|
: const BorderRadius.only(
|
|
topLeft: Radius.circular(16),
|
|
topRight: Radius.circular(16),
|
|
),
|
|
),
|
|
child: Row(
|
|
children: [
|
|
const Expanded(
|
|
child: Text(
|
|
'Pilih Lokasi Lahan',
|
|
style: TextStyle(
|
|
color: Colors.white,
|
|
fontSize: 18,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
),
|
|
if (!isFullscreen)
|
|
IconButton(
|
|
icon: const Icon(Icons.open_in_full, color: Colors.white),
|
|
onPressed: () async {
|
|
final result = await Navigator.of(context).push(
|
|
MaterialPageRoute(
|
|
builder:
|
|
(ctx) => LocationPickerDialog(
|
|
initialAddress: _selectedAddress,
|
|
initialLatitude: _selectedLatLng.latitude,
|
|
initialLongitude: _selectedLatLng.longitude,
|
|
fullscreen: true,
|
|
),
|
|
),
|
|
);
|
|
if (result is LocationResult) {
|
|
Navigator.of(context).pop(result);
|
|
}
|
|
},
|
|
),
|
|
IconButton(
|
|
icon: Icon(
|
|
isFullscreen ? Icons.close : Icons.close,
|
|
color: Colors.white,
|
|
),
|
|
onPressed: () => Navigator.of(context).pop(),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
// Search Bar
|
|
Padding(
|
|
padding: const EdgeInsets.all(16),
|
|
child: Row(
|
|
children: [
|
|
Expanded(
|
|
child: TextField(
|
|
controller: _searchController,
|
|
decoration: InputDecoration(
|
|
hintText: 'Cari lokasi…',
|
|
border: OutlineInputBorder(
|
|
borderRadius: BorderRadius.circular(8),
|
|
),
|
|
contentPadding: const EdgeInsets.symmetric(
|
|
horizontal: 16,
|
|
vertical: 12,
|
|
),
|
|
),
|
|
onSubmitted: (value) => _findLocation(value),
|
|
),
|
|
),
|
|
const SizedBox(width: 8),
|
|
ElevatedButton(
|
|
onPressed: () => _findLocation(_searchController.text),
|
|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: Theme.of(context).primaryColor,
|
|
foregroundColor: Colors.white,
|
|
shape: RoundedRectangleBorder(
|
|
borderRadius: BorderRadius.circular(8),
|
|
),
|
|
padding: const EdgeInsets.symmetric(
|
|
vertical: 14,
|
|
horizontal: 16,
|
|
),
|
|
),
|
|
child: const Icon(Icons.search),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
// Map
|
|
Expanded(
|
|
child: Stack(
|
|
children: [
|
|
FlutterMap(
|
|
mapController: _mapController,
|
|
options: MapOptions(
|
|
center: _selectedLatLng,
|
|
zoom: 15.0,
|
|
interactiveFlags:
|
|
InteractiveFlag.all &
|
|
~InteractiveFlag.rotate, // Nonaktifkan gesture rotasi
|
|
// rotation: _rotation, // Tidak perlu rotasi
|
|
onTap: (tapPosition, point) async {
|
|
setState(() {
|
|
_selectedLatLng = point;
|
|
});
|
|
await _getAddressFromLatLng(
|
|
point.latitude,
|
|
point.longitude,
|
|
);
|
|
},
|
|
// Hapus onPositionChanged
|
|
),
|
|
children: [
|
|
TileLayer(
|
|
urlTemplate:
|
|
'https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
|
|
subdomains: ['a', 'b', 'c'],
|
|
userAgentPackageName: 'com.tanismart.tugas_akhir_supabase',
|
|
),
|
|
MarkerLayer(
|
|
markers: [
|
|
Marker(
|
|
width: 40.0,
|
|
height: 40.0,
|
|
point: _selectedLatLng,
|
|
child: Icon(
|
|
Icons.location_on,
|
|
color: Colors.red,
|
|
size: 40,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
],
|
|
),
|
|
// Koordinat & Kompas di kanan atas
|
|
Positioned(
|
|
top: 12,
|
|
right: 12,
|
|
child: Container(
|
|
padding: const EdgeInsets.symmetric(
|
|
horizontal: 12,
|
|
vertical: 6,
|
|
),
|
|
decoration: BoxDecoration(
|
|
color: Colors.white.withOpacity(0.85),
|
|
borderRadius: BorderRadius.circular(8),
|
|
boxShadow: [
|
|
BoxShadow(
|
|
color: Colors.black.withOpacity(0.1),
|
|
blurRadius: 4,
|
|
),
|
|
],
|
|
),
|
|
child: Row(
|
|
children: [
|
|
Text(
|
|
'${_selectedLatLng.latitude.toStringAsFixed(6)}, ${_selectedLatLng.longitude.toStringAsFixed(6)}',
|
|
style: const TextStyle(
|
|
fontSize: 13,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
const SizedBox(width: 8),
|
|
// Kompas
|
|
GestureDetector(
|
|
onTap: _resetNorth,
|
|
child: const Icon(
|
|
Icons.explore,
|
|
color: Colors.blue,
|
|
size: 24,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
if (_isLoading)
|
|
const Positioned(
|
|
top: 0,
|
|
left: 0,
|
|
right: 0,
|
|
child: LinearProgressIndicator(),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
// Selected Location
|
|
Container(
|
|
padding: const EdgeInsets.all(16),
|
|
decoration: BoxDecoration(
|
|
color: Colors.white,
|
|
boxShadow: [
|
|
BoxShadow(
|
|
color: Colors.black.withOpacity(0.1),
|
|
blurRadius: 4,
|
|
offset: const Offset(0, -2),
|
|
),
|
|
],
|
|
),
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
const Text(
|
|
'Lokasi Terpilih:',
|
|
style: TextStyle(fontWeight: FontWeight.bold, fontSize: 16),
|
|
),
|
|
const SizedBox(height: 8),
|
|
Text(
|
|
_selectedAddress.isNotEmpty
|
|
? _selectedAddress
|
|
: 'Belum ada lokasi terpilih',
|
|
style: TextStyle(color: Colors.grey[700], fontSize: 14),
|
|
),
|
|
const SizedBox(height: 8),
|
|
Text(
|
|
'Koordinat: ${_selectedLatLng.latitude.toStringAsFixed(6)}, ${_selectedLatLng.longitude.toStringAsFixed(6)}',
|
|
style: TextStyle(color: Colors.grey[700], fontSize: 12),
|
|
),
|
|
const SizedBox(height: 16),
|
|
Row(
|
|
children: [
|
|
Expanded(
|
|
child: ElevatedButton(
|
|
onPressed: () => Navigator.of(context).pop(),
|
|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: Colors.grey[200],
|
|
foregroundColor: Colors.black,
|
|
shape: RoundedRectangleBorder(
|
|
borderRadius: BorderRadius.circular(8),
|
|
),
|
|
padding: const EdgeInsets.symmetric(vertical: 12),
|
|
),
|
|
child: const Text('Batal'),
|
|
),
|
|
),
|
|
const SizedBox(width: 16),
|
|
Expanded(
|
|
child: ElevatedButton(
|
|
onPressed: () {
|
|
Navigator.of(context).pop(
|
|
LocationResult(
|
|
address: _selectedAddress,
|
|
latitude: _selectedLatLng.latitude,
|
|
longitude: _selectedLatLng.longitude,
|
|
),
|
|
);
|
|
},
|
|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: Theme.of(context).primaryColor,
|
|
foregroundColor: Colors.white,
|
|
shape: RoundedRectangleBorder(
|
|
borderRadius: BorderRadius.circular(8),
|
|
),
|
|
padding: const EdgeInsets.symmetric(vertical: 12),
|
|
),
|
|
child: const Text('Pilih Lokasi'),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
],
|
|
),
|
|
),
|
|
],
|
|
);
|
|
return isFullscreen
|
|
? Scaffold(
|
|
backgroundColor: Colors.white,
|
|
body: SafeArea(child: dialogContent),
|
|
)
|
|
: Dialog(
|
|
backgroundColor: Colors.transparent,
|
|
insetPadding: const EdgeInsets.all(16),
|
|
child: Container(
|
|
width: double.infinity,
|
|
height: MediaQuery.of(context).size.height * 0.8,
|
|
decoration: BoxDecoration(
|
|
color: Colors.white,
|
|
borderRadius: BorderRadius.circular(16),
|
|
),
|
|
child: dialogContent,
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|