mirror of
https://github.com/dz0ny/meshcore-sar.git
synced 2026-08-11 16:30:28 +00:00
feat: Add LocationDisplay widget for reusable location display with modal formats
feat: Enhance CompassContactList and CompassSarList with relative bearing display refactor: Update DetailedCompassDialog to integrate LocationDisplay and improve layout
This commit is contained in:
Janez T
268
lib/widgets/common/location_display.dart
Normal file
268
lib/widgets/common/location_display.dart
Normal file
@@ -0,0 +1,268 @@
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:flutter/services.dart';
|
||||
import 'package:latlong2/latlong.dart';
|
||||
|
||||
/// Reusable location display widget with tap-to-show modal
|
||||
/// Shows coordinates in a compact format with ability to view all formats
|
||||
class LocationDisplay extends StatelessWidget {
|
||||
final LatLng location;
|
||||
final bool compact;
|
||||
|
||||
const LocationDisplay({
|
||||
super.key,
|
||||
required this.location,
|
||||
this.compact = true,
|
||||
});
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
if (compact) {
|
||||
return GestureDetector(
|
||||
onTap: () => _showLocationFormats(context),
|
||||
child: Container(
|
||||
padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 8),
|
||||
decoration: BoxDecoration(
|
||||
color: Theme.of(context).colorScheme.surfaceContainerHighest,
|
||||
borderRadius: BorderRadius.circular(6),
|
||||
),
|
||||
child: Row(
|
||||
mainAxisSize: MainAxisSize.min,
|
||||
children: [
|
||||
const Icon(Icons.location_on, size: 16),
|
||||
const SizedBox(width: 6),
|
||||
Text(
|
||||
'${location.latitude.toStringAsFixed(5)}, ${location.longitude.toStringAsFixed(5)}',
|
||||
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
|
||||
fontFamily: 'monospace',
|
||||
fontWeight: FontWeight.w500,
|
||||
),
|
||||
),
|
||||
const SizedBox(width: 4),
|
||||
Icon(
|
||||
Icons.open_in_new,
|
||||
size: 14,
|
||||
color: Theme.of(context).colorScheme.primary,
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
// Non-compact version (just text)
|
||||
return Text(
|
||||
'${location.latitude.toStringAsFixed(5)}, ${location.longitude.toStringAsFixed(5)}',
|
||||
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
|
||||
fontFamily: 'monospace',
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
void _showLocationFormats(BuildContext context) {
|
||||
showModalBottomSheet(
|
||||
context: context,
|
||||
shape: const RoundedRectangleBorder(
|
||||
borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
|
||||
),
|
||||
builder: (context) => Container(
|
||||
padding: const EdgeInsets.all(24),
|
||||
child: Column(
|
||||
mainAxisSize: MainAxisSize.min,
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
// Header
|
||||
Row(
|
||||
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
||||
children: [
|
||||
const Text(
|
||||
'Location Formats',
|
||||
style: TextStyle(
|
||||
fontSize: 20,
|
||||
fontWeight: FontWeight.bold,
|
||||
),
|
||||
),
|
||||
IconButton(
|
||||
icon: const Icon(Icons.close),
|
||||
onPressed: () => Navigator.pop(context),
|
||||
),
|
||||
],
|
||||
),
|
||||
const SizedBox(height: 16),
|
||||
const Divider(),
|
||||
const SizedBox(height: 8),
|
||||
// Decimal Degrees (DD)
|
||||
_buildFormatRow(
|
||||
context,
|
||||
'DD (Decimal Degrees)',
|
||||
'${location.latitude.toStringAsFixed(6)}, ${location.longitude.toStringAsFixed(6)}',
|
||||
),
|
||||
// Degrees Minutes Seconds (DMS)
|
||||
_buildFormatRow(
|
||||
context,
|
||||
'DMS (Degrees Minutes Seconds)',
|
||||
_convertToDMS(location.latitude, location.longitude),
|
||||
),
|
||||
// Degrees Decimal Minutes (DDM)
|
||||
_buildFormatRow(
|
||||
context,
|
||||
'DDM (Degrees Decimal Minutes)',
|
||||
_convertToDDM(location.latitude, location.longitude),
|
||||
),
|
||||
// MGRS (Military Grid Reference System)
|
||||
_buildFormatRow(
|
||||
context,
|
||||
'MGRS (Military Grid)',
|
||||
_convertToMGRS(location.latitude, location.longitude),
|
||||
),
|
||||
// Google Plus Code
|
||||
_buildFormatRow(
|
||||
context,
|
||||
'Plus Code',
|
||||
_convertToPlusCode(location.latitude, location.longitude),
|
||||
),
|
||||
const SizedBox(height: 8),
|
||||
],
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildFormatRow(BuildContext context, String label, String value) {
|
||||
return Padding(
|
||||
padding: const EdgeInsets.symmetric(vertical: 8),
|
||||
child: Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Text(
|
||||
label,
|
||||
style: Theme.of(context).textTheme.labelMedium?.copyWith(
|
||||
color: Colors.grey,
|
||||
fontWeight: FontWeight.w500,
|
||||
),
|
||||
),
|
||||
const SizedBox(height: 4),
|
||||
InkWell(
|
||||
onTap: () {
|
||||
Clipboard.setData(ClipboardData(text: value));
|
||||
ScaffoldMessenger.of(context).showSnackBar(
|
||||
SnackBar(
|
||||
content: Text('$label copied to clipboard'),
|
||||
duration: const Duration(seconds: 2),
|
||||
),
|
||||
);
|
||||
},
|
||||
borderRadius: BorderRadius.circular(8),
|
||||
child: Container(
|
||||
padding: const EdgeInsets.all(12),
|
||||
decoration: BoxDecoration(
|
||||
color: Theme.of(context).colorScheme.surfaceContainerHighest,
|
||||
borderRadius: BorderRadius.circular(8),
|
||||
),
|
||||
child: Row(
|
||||
children: [
|
||||
Expanded(
|
||||
child: Text(
|
||||
value,
|
||||
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
|
||||
fontFamily: 'monospace',
|
||||
fontWeight: FontWeight.w500,
|
||||
),
|
||||
),
|
||||
),
|
||||
Icon(
|
||||
Icons.copy,
|
||||
size: 18,
|
||||
color: Theme.of(context).colorScheme.primary,
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
/// Convert to Degrees Minutes Seconds (DMS) format
|
||||
String _convertToDMS(double lat, double lon) {
|
||||
String latDir = lat >= 0 ? 'N' : 'S';
|
||||
String lonDir = lon >= 0 ? 'E' : 'W';
|
||||
|
||||
lat = lat.abs();
|
||||
lon = lon.abs();
|
||||
|
||||
int latDeg = lat.floor();
|
||||
double latMinDec = (lat - latDeg) * 60;
|
||||
int latMin = latMinDec.floor();
|
||||
double latSec = (latMinDec - latMin) * 60;
|
||||
|
||||
int lonDeg = lon.floor();
|
||||
double lonMinDec = (lon - lonDeg) * 60;
|
||||
int lonMin = lonMinDec.floor();
|
||||
double lonSec = (lonMinDec - lonMin) * 60;
|
||||
|
||||
return '$latDeg°$latMin\'${latSec.toStringAsFixed(2)}"$latDir, $lonDeg°$lonMin\'${lonSec.toStringAsFixed(2)}"$lonDir';
|
||||
}
|
||||
|
||||
/// Convert to Degrees Decimal Minutes (DDM) format
|
||||
String _convertToDDM(double lat, double lon) {
|
||||
String latDir = lat >= 0 ? 'N' : 'S';
|
||||
String lonDir = lon >= 0 ? 'E' : 'W';
|
||||
|
||||
lat = lat.abs();
|
||||
lon = lon.abs();
|
||||
|
||||
int latDeg = lat.floor();
|
||||
double latMin = (lat - latDeg) * 60;
|
||||
|
||||
int lonDeg = lon.floor();
|
||||
double lonMin = (lon - lonDeg) * 60;
|
||||
|
||||
return '$latDeg° ${latMin.toStringAsFixed(4)}\'$latDir, $lonDeg° ${lonMin.toStringAsFixed(4)}\'$lonDir';
|
||||
}
|
||||
|
||||
/// Convert to MGRS (Military Grid Reference System) format
|
||||
/// Simplified implementation - returns approximate grid zone
|
||||
String _convertToMGRS(double lat, double lon) {
|
||||
// Zone number (1-60)
|
||||
int zone = ((lon + 180) / 6).floor() + 1;
|
||||
|
||||
// Zone letter (C-X, excluding I and O)
|
||||
const letters = 'CDEFGHJKLMNPQRSTUVWX';
|
||||
int letterIndex = ((lat + 80) / 8).floor();
|
||||
if (letterIndex < 0) letterIndex = 0;
|
||||
if (letterIndex >= letters.length) letterIndex = letters.length - 1;
|
||||
String letter = letters[letterIndex];
|
||||
|
||||
// Simplified - just show zone designation
|
||||
// Full MGRS would require UTM conversion library
|
||||
return '$zone$letter (approximate)';
|
||||
}
|
||||
|
||||
/// Convert to Google Plus Code format
|
||||
/// Simplified implementation - returns approximate code
|
||||
String _convertToPlusCode(double lat, double lon) {
|
||||
// This is a simplified version - full Plus Code requires the open_location_code package
|
||||
const base = '23456789CFGHJMPQRVWX';
|
||||
|
||||
// Normalize coordinates
|
||||
lat = (lat + 90) / 180; // 0 to 1
|
||||
lon = (lon + 180) / 360; // 0 to 1
|
||||
|
||||
String code = '';
|
||||
for (int i = 0; i < 8; i++) {
|
||||
if (i == 4) code += '+';
|
||||
|
||||
int latDigit = (lat * 20).floor() % 20;
|
||||
int lonDigit = (lon * 20).floor() % 20;
|
||||
|
||||
code += base[latDigit];
|
||||
code += base[lonDigit];
|
||||
|
||||
lat = (lat * 20) % 1;
|
||||
lon = (lon * 20) % 1;
|
||||
}
|
||||
|
||||
return code;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user