Files
maps-saas/packages/tactical_app/lib/widgets/camera_resection_view.dart
T

522 lines
21 KiB
Dart

import 'package:camera/camera.dart';
import 'package:flutter/material.dart';
import 'package:flutter_compass/flutter_compass.dart';
import '../models/angle_unit.dart';
import '../models/landmark.dart';
import '../services/landmark_database.dart';
import '../services/resection_calculator.dart';
import 'tactical_crosshair.dart';
class CameraResectionView extends StatefulWidget {
final List<ResectionObservation> observations;
final AngleUnit angleUnit;
final Function(ResectionObservation) onObservationAdded;
final VoidCallback onCalculatePressed;
final VoidCallback onResetPressed;
final VoidCallback onClose;
const CameraResectionView({
super.key,
required this.observations,
required this.angleUnit,
required this.onObservationAdded,
required this.onCalculatePressed,
required this.onResetPressed,
required this.onClose,
});
@override
State<CameraResectionView> createState() => _CameraResectionViewState();
}
class _CameraResectionViewState extends State<CameraResectionView> {
CameraController? _cameraController;
bool _isCameraReady = false;
double _headingDeg = 45.0;
bool _isLockedAnim = false;
// Search & Filter state
final TextEditingController _searchController = TextEditingController();
String _selectedRegion = 'الكل';
List<TacticalLandmark> _filteredLandmarks = [];
TacticalLandmark? _selectedLandmark;
final List<String> _regions = const [
'الكل',
'عمان الغربية',
'وسط عمان',
'شمال عمان',
'الزرقاء',
'إربد',
'عجلون',
'جرش',
'المفرق',
'الكرك',
'الطفيلة',
'معان',
'العقبة',
];
@override
void initState() {
super.initState();
_filteredLandmarks = LandmarkDatabase.allLandmarks;
if (_filteredLandmarks.isNotEmpty) {
_selectedLandmark = _filteredLandmarks[0];
}
_initCamera();
_initCompass();
}
Future<void> _initCamera() async {
try {
final cameras = await availableCameras();
if (cameras.isNotEmpty) {
final backCamera = cameras.firstWhere(
(c) => c.lensDirection == CameraLensDirection.back,
orElse: () => cameras.first,
);
_cameraController = CameraController(
backCamera,
ResolutionPreset.high,
enableAudio: false,
);
await _cameraController!.initialize();
if (mounted) {
setState(() => _isCameraReady = true);
}
}
} catch (e) {
debugPrint('Camera init exception: $e');
}
}
void _initCompass() {
FlutterCompass.events?.listen((event) {
if (event.heading != null && mounted) {
setState(() {
_headingDeg = (event.heading! + 360) % 360;
});
}
});
}
@override
void dispose() {
_cameraController?.dispose();
_searchController.dispose();
super.dispose();
}
void _onSearchChanged(String query) {
setState(() {
_filteredLandmarks = LandmarkDatabase.search(
query,
region: _selectedRegion,
);
if (_filteredLandmarks.isNotEmpty &&
!_filteredLandmarks.any((l) => l.id == _selectedLandmark?.id)) {
_selectedLandmark = _filteredLandmarks[0];
}
});
}
void _onRegionSelected(String region) {
setState(() {
_selectedRegion = region;
_filteredLandmarks = LandmarkDatabase.search(
_searchController.text,
region: region,
);
if (_filteredLandmarks.isNotEmpty &&
!_filteredLandmarks.any((l) => l.id == _selectedLandmark?.id)) {
_selectedLandmark = _filteredLandmarks[0];
}
});
}
void _lockCurrentObservation() {
if (_selectedLandmark == null) return;
final trueAzimuth = ResectionCalculator.getTrueAzimuth(_headingDeg);
final obs = ResectionObservation(
landmark: _selectedLandmark!,
observedAzimuthDeg: _headingDeg,
trueAzimuthDeg: trueAzimuth,
);
setState(() => _isLockedAnim = true);
Future.delayed(const Duration(milliseconds: 300), () {
if (mounted) setState(() => _isLockedAnim = false);
});
widget.onObservationAdded(obs);
final remaining = _filteredLandmarks
.where((l) => l.id != _selectedLandmark!.id && !widget.observations.any((o) => o.landmark.id == l.id))
.toList();
if (remaining.isNotEmpty) {
setState(() => _selectedLandmark = remaining[0]);
}
}
@override
Widget build(BuildContext context) {
final trueAzimuth = ResectionCalculator.getTrueAzimuth(_headingDeg);
final obsCount = widget.observations.length;
return Scaffold(
backgroundColor: Colors.black,
body: Stack(
children: [
// ── 1. Camera Feed / Viewfinder Background ─────────────────
if (_isCameraReady && _cameraController != null)
SizedBox.expand(
child: FittedBox(
fit: BoxFit.cover,
child: SizedBox(
width: _cameraController!.value.previewSize?.height ?? 1,
height: _cameraController!.value.previewSize?.width ?? 1,
child: CameraPreview(_cameraController!),
),
),
)
else
Container(
decoration: const BoxDecoration(
gradient: RadialGradient(
center: Alignment.center,
radius: 1.2,
colors: [Color(0xFF0F172A), Color(0xFF020617)],
),
),
child: Center(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: const Color(0x330071E3),
borderRadius: BorderRadius.circular(50),
border: Border.all(color: const Color(0x660071E3)),
),
child: const Icon(Icons.camera_alt, size: 36, color: Color(0xFF38BDF8)),
),
const SizedBox(height: 12),
const Text(
'منظار الاستطلاع والتسديد البصري (HUD)',
style: TextStyle(color: Colors.white, fontSize: 13, fontWeight: FontWeight.bold),
),
const SizedBox(height: 4),
const Text(
'وجه الكاميرا أو حرك مؤشر السمت للتسديد على المعلم',
style: TextStyle(color: Color(0xFF94A3B8), fontSize: 11),
),
],
),
),
),
// ── 2. Tactical Military Crosshair & Reticle ────────────────
TacticalCrosshair(
headingDeg: _headingDeg,
trueAzimuthDeg: trueAzimuth,
angleUnit: widget.angleUnit,
isAimLocked: _isLockedAnim,
targetName: _selectedLandmark?.name,
),
// ── 3. Top Header: Step Flow + Close Button ─────────────────
Positioned(
top: 48,
left: 16,
right: 16,
child: Column(
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
// Step Flow Badge
Container(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
decoration: BoxDecoration(
color: const Color(0xEB0F172A),
borderRadius: BorderRadius.circular(20),
border: Border.all(
color: obsCount >= 2 ? const Color(0xFF22C55E) : const Color(0xFF0071E3),
),
),
child: Row(
children: [
Icon(
obsCount >= 2 ? Icons.check_circle : Icons.gps_fixed,
size: 14,
color: obsCount >= 2 ? const Color(0xFF4ADE80) : const Color(0xFF38BDF8),
),
const SizedBox(width: 6),
Text(
obsCount == 0
? 'الخطوة 1: تسديد المعلم الأول'
: (obsCount == 1
? 'الخطوة 2: تسديد المعلم الثاني'
: 'تم رصد $obsCount معالم (جاهز للحساب)'),
style: TextStyle(
color: obsCount >= 2 ? const Color(0xFF4ADE80) : Colors.white,
fontSize: 11,
fontWeight: FontWeight.bold,
),
),
],
),
),
// Close / Return to Map Button
IconButton.filled(
onPressed: widget.onClose,
icon: const Icon(Icons.close, size: 16),
style: IconButton.styleFrom(
backgroundColor: const Color(0xCC0F172A),
foregroundColor: Colors.white,
),
),
],
),
const SizedBox(height: 10),
// Search Bar for Landmarks
Container(
decoration: BoxDecoration(
color: const Color(0xEB0F172A),
borderRadius: BorderRadius.circular(12),
border: Border.all(color: Colors.white12),
),
child: TextField(
controller: _searchController,
onChanged: _onSearchChanged,
style: const TextStyle(color: Colors.white, fontSize: 12),
decoration: InputDecoration(
hintText: 'ابحث عن معلم بالاسم أو المحافظة أو النوع...',
hintStyle: const TextStyle(color: Color(0xFF64748B), fontSize: 11),
prefixIcon: const Icon(Icons.search, color: Color(0xFF38BDF8), size: 18),
suffixIcon: _searchController.text.isNotEmpty
? IconButton(
icon: const Icon(Icons.clear, size: 14, color: Colors.white60),
onPressed: () {
_searchController.clear();
_onSearchChanged('');
},
)
: null,
contentPadding: const EdgeInsets.symmetric(vertical: 10),
border: InputBorder.none,
),
),
),
const SizedBox(height: 6),
// Region filter horizontal pills
SizedBox(
height: 28,
child: ListView.builder(
scrollDirection: Axis.horizontal,
itemCount: _regions.length,
itemBuilder: (context, i) {
final r = _regions[i];
final isSelected = r == _selectedRegion;
return Padding(
padding: const EdgeInsets.only(left: 6),
child: ChoiceChip(
label: Text(r, style: TextStyle(fontSize: 10, color: isSelected ? Colors.white : const Color(0xFF94A3B8))),
selected: isSelected,
onSelected: (_) => _onRegionSelected(r),
backgroundColor: const Color(0x990F172A),
selectedColor: const Color(0xFF0071E3),
padding: const EdgeInsets.symmetric(horizontal: 4),
materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(14)),
),
);
},
),
),
],
),
),
// ── 4. Bottom Control Panel ────────────────────────────────
Positioned(
bottom: 20,
left: 16,
right: 16,
child: Container(
padding: const EdgeInsets.all(14),
decoration: BoxDecoration(
color: const Color(0xF50F172A),
borderRadius: BorderRadius.circular(18),
border: Border.all(color: const Color(0x800071E3)),
boxShadow: const [BoxShadow(color: Colors.black87, blurRadius: 25)],
),
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Heading Slider fine-tune (for desktop/field override)
Row(
children: [
const Text('ضبط السمت:', style: TextStyle(fontSize: 10, color: Color(0xFF94A3B8))),
Expanded(
child: Slider(
value: _headingDeg,
min: 0,
max: 359,
activeColor: const Color(0xFF0071E3),
onChanged: (v) => setState(() => _headingDeg = v),
),
),
Text(
AngleFormatter.format(_headingDeg, widget.angleUnit, includeLabel: false),
style: const TextStyle(fontSize: 11, fontWeight: FontWeight.bold, color: Color(0xFF38BDF8)),
),
],
),
// Landmark Selector Cards (Horizontal Carousel)
if (_filteredLandmarks.isNotEmpty)
SizedBox(
height: 52,
child: ListView.builder(
scrollDirection: Axis.horizontal,
itemCount: _filteredLandmarks.length,
itemBuilder: (context, idx) {
final lm = _filteredLandmarks[idx];
final isSelected = lm.id == _selectedLandmark?.id;
final isObserved = widget.observations.any((o) => o.landmark.id == lm.id);
return GestureDetector(
onTap: () => setState(() => _selectedLandmark = lm),
child: Container(
margin: const EdgeInsets.only(left: 8),
padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 6),
decoration: BoxDecoration(
color: isSelected
? const Color(0xFF0071E3)
: (isObserved ? const Color(0x3322C55E) : const Color(0xFF1E293B)),
borderRadius: BorderRadius.circular(10),
border: Border.all(
color: isSelected
? Colors.white
: (isObserved ? const Color(0xFF22C55E) : Colors.white12),
),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisAlignment: MainAxisAlignment.center,
children: [
Row(
children: [
if (isObserved)
const Icon(Icons.check_circle, size: 12, color: Color(0xFF4ADE80)),
if (isObserved) const SizedBox(width: 4),
Text(
lm.name,
style: TextStyle(
fontSize: 11,
fontWeight: FontWeight.bold,
color: isSelected ? Colors.white : const Color(0xFFE2E8F0),
),
),
],
),
Text(
'${lm.region} • ${lm.elevationM}م',
style: TextStyle(
fontSize: 9.5,
color: isSelected ? Colors.white70 : const Color(0xFF94A3B8),
),
),
],
),
),
);
},
),
),
const SizedBox(height: 12),
// Action Buttons: Lock Landmark + Calculate Button
Row(
children: [
// Lock Target Button
Expanded(
flex: 3,
child: ElevatedButton.icon(
onPressed: _lockCurrentObservation,
icon: const Icon(Icons.lock_outline, size: 16),
label: Text(
obsCount == 0
? 'تثبيت رصد المعلم الأول'
: (obsCount == 1 ? 'تثبيت رصد المعلم الثاني' : 'تثبيت معلم إضافي (+1)'),
style: const TextStyle(fontSize: 12, fontWeight: FontWeight.bold),
),
style: ElevatedButton.styleFrom(
backgroundColor: const Color(0xFF0071E3),
foregroundColor: Colors.white,
padding: const EdgeInsets.symmetric(vertical: 12),
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
),
),
),
// Calculate & Show on Map (Available when >= 2)
if (obsCount >= 2) ...[
const SizedBox(width: 8),
Expanded(
flex: 2,
child: ElevatedButton.icon(
onPressed: widget.onCalculatePressed,
icon: const Icon(Icons.map, size: 16),
label: const Text(
'استخراج الموقع',
style: TextStyle(fontSize: 11.5, fontWeight: FontWeight.w900),
),
style: ElevatedButton.styleFrom(
backgroundColor: const Color(0xFF22C55E),
foregroundColor: Colors.white,
padding: const EdgeInsets.symmetric(vertical: 12),
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
),
),
),
],
// Reset Button
if (obsCount > 0) ...[
const SizedBox(width: 8),
IconButton.filledTonal(
onPressed: widget.onResetPressed,
icon: const Icon(Icons.refresh, size: 16),
style: IconButton.styleFrom(
backgroundColor: const Color(0x33EF4444),
foregroundColor: const Color(0xFFF87171),
),
),
],
],
),
],
),
),
),
],
),
);
}
}