498 lines
19 KiB
Dart
498 lines
19 KiB
Dart
import 'package:camera/camera.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_compass/flutter_compass.dart';
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import '../models/angle_unit.dart';
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import '../models/landmark.dart';
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import '../services/landmark_database.dart';
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import '../services/local_sqlite_db.dart';
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import '../services/resection_calculator.dart';
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import '../services/tactical_api_service.dart';
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import 'tactical_crosshair.dart';
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class CameraResectionView extends StatefulWidget {
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final List<ResectionObservation> observations;
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final AngleUnit angleUnit;
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final Function(ResectionObservation) onObservationAdded;
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final VoidCallback onCalculatePressed;
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final VoidCallback onResetPressed;
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final VoidCallback onClose;
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const CameraResectionView({
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super.key,
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required this.observations,
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required this.angleUnit,
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required this.onObservationAdded,
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required this.onCalculatePressed,
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required this.onResetPressed,
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required this.onClose,
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});
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@override
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State<CameraResectionView> createState() => _CameraResectionViewState();
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}
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class _CameraResectionViewState extends State<CameraResectionView> {
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CameraController? _cameraController;
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bool _isCameraReady = false;
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double _headingDeg = 0.0;
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bool _isLockedAnim = false;
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// Search state
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final TextEditingController _searchController = TextEditingController();
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List<TacticalLandmark> _searchResults = [];
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bool _isSearching = false;
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TacticalLandmark? _selectedLandmark;
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@override
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void initState() {
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super.initState();
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_initCamera();
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_initCompass();
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_initDefaultLandmark();
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}
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void _initDefaultLandmark() {
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final all = LandmarkDatabase.allLandmarks;
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if (all.isNotEmpty) {
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_selectedLandmark = all[0];
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_searchResults = all.take(10).toList();
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}
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}
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Future<void> _initCamera() async {
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try {
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final cameras = await availableCameras();
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if (cameras.isNotEmpty) {
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_cameraController = CameraController(
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cameras.first,
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ResolutionPreset.high,
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enableAudio: false,
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);
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await _cameraController!.initialize();
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if (mounted) {
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setState(() => _isCameraReady = true);
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}
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}
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} catch (e) {
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debugPrint('Camera init exception: $e');
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}
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}
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void _initCompass() {
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FlutterCompass.events?.listen((event) {
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if (event.heading != null && mounted) {
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setState(() {
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_headingDeg = (event.heading! + 360) % 360;
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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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void dispose() {
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_cameraController?.dispose();
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_searchController.dispose();
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super.dispose();
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}
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Future<void> _onSearchChanged(String query) async {
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final cleanQuery = query.trim();
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if (cleanQuery.isEmpty) {
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setState(() {
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_searchResults = LandmarkDatabase.allLandmarks.take(10).toList();
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_isSearching = false;
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});
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return;
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}
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setState(() => _isSearching = true);
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// 1. Search SQLite Local Places Database (Mosques, Schools, Intersections, Hills)
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List<TacticalLandmark> dbResults = [];
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try {
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dbResults = await LocalSqliteDb.searchPlaces(cleanQuery, limit: 30);
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} catch (_) {}
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// 2. Search Static Strategic Landmarks
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final staticResults = LandmarkDatabase.search(cleanQuery);
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// 3. Search Online Geocoding API if local results are few
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List<TacticalLandmark> onlineResults = [];
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if (dbResults.length < 5) {
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try {
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onlineResults = await TacticalApiService.searchOnlinePlaces(cleanQuery);
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} catch (_) {}
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}
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final combined = <TacticalLandmark>[...dbResults, ...onlineResults, ...staticResults];
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final seen = <String>{};
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final unique = <TacticalLandmark>[];
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for (final r in combined) {
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if (seen.add('${r.name}_${r.lat}_${r.lng}')) {
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unique.add(r);
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}
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}
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if (mounted) {
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setState(() {
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_searchResults = unique;
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_isSearching = false;
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if (_searchResults.isNotEmpty && !_searchResults.any((l) => l.id == _selectedLandmark?.id)) {
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_selectedLandmark = _searchResults[0];
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}
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});
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}
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}
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void _lockCurrentObservation() {
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if (_selectedLandmark == null) return;
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final trueAzimuth = ResectionCalculator.getTrueAzimuth(_headingDeg);
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final obs = ResectionObservation(
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landmark: _selectedLandmark!,
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observedAzimuthDeg: _headingDeg,
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trueAzimuthDeg: trueAzimuth,
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);
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setState(() => _isLockedAnim = true);
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Future.delayed(const Duration(milliseconds: 300), () {
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if (mounted) setState(() => _isLockedAnim = false);
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});
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widget.onObservationAdded(obs);
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// Auto-advance to map calculation if we have 2 observations
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final nextObsCount = widget.observations.length +
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(widget.observations.any((o) => o.landmark.id == obs.landmark.id) ? 0 : 1);
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if (nextObsCount >= 2) {
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Future.delayed(const Duration(milliseconds: 400), () {
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if (mounted) {
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widget.onCalculatePressed();
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}
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});
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return;
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}
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// Reset search for second landmark
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_searchController.clear();
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setState(() {
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_searchResults = LandmarkDatabase.allLandmarks.where((l) => l.id != _selectedLandmark!.id).take(10).toList();
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if (_searchResults.isNotEmpty) {
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_selectedLandmark = _searchResults[0];
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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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final trueAzimuth = ResectionCalculator.getTrueAzimuth(_headingDeg);
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final obsCount = widget.observations.length;
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return Scaffold(
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backgroundColor: Colors.black,
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body: Stack(
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children: [
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// ── 1. Camera Feed / Viewfinder Background ─────────────────
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if (_isCameraReady && _cameraController != null)
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SizedBox.expand(
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child: FittedBox(
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fit: BoxFit.cover,
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child: SizedBox(
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width: _cameraController!.value.previewSize?.height ?? 1,
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height: _cameraController!.value.previewSize?.width ?? 1,
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child: CameraPreview(_cameraController!),
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),
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),
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)
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else
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Container(
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decoration: const BoxDecoration(
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gradient: RadialGradient(
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center: Alignment.center,
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radius: 1.2,
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colors: [Color(0xFF0F172A), Color(0xFF020617)],
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),
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),
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child: const Center(
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child: Icon(Icons.camera_alt, size: 48, color: Color(0xFF38BDF8)),
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),
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),
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// ── 2. Tactical Military Crosshair & Reticle ────────────────
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TacticalCrosshair(
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headingDeg: _headingDeg,
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trueAzimuthDeg: trueAzimuth,
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angleUnit: widget.angleUnit,
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isAimLocked: _isLockedAnim,
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targetName: _selectedLandmark?.name,
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),
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// ── 3. Top Header: Step Flow + Search Bar ────────────────────
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Positioned(
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top: 44,
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left: 16,
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right: 16,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Top Action Row
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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// Step Indicator Badge
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 8),
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decoration: BoxDecoration(
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color: const Color(0xF00F172A),
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borderRadius: BorderRadius.circular(20),
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border: Border.all(
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color: obsCount >= 2 ? const Color(0xFF22C55E) : const Color(0xFF0071E3),
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width: 1.5,
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),
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),
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child: Row(
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children: [
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Icon(
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obsCount >= 2 ? Icons.check_circle : Icons.gps_fixed,
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size: 16,
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color: obsCount >= 2 ? const Color(0xFF4ADE80) : const Color(0xFF38BDF8),
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),
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const SizedBox(width: 8),
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Text(
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obsCount == 0
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? 'الخطوة 1: ابحث وسدد على المعلم الأول'
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: (obsCount == 1
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? 'الخطوة 2: ابحث وسدد على المعلم الثاني'
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: 'تم رصد $obsCount معالم • جاري استخراج الموقع'),
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style: TextStyle(
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color: obsCount >= 2 ? const Color(0xFF4ADE80) : Colors.white,
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fontSize: 11.5,
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fontWeight: FontWeight.bold,
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),
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),
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],
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),
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),
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// Close Button
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IconButton.filled(
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onPressed: widget.onClose,
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icon: const Icon(Icons.close, size: 18),
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style: IconButton.styleFrom(
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backgroundColor: const Color(0xCC0F172A),
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foregroundColor: Colors.white,
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),
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),
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],
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),
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const SizedBox(height: 10),
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// Unified Place / Mosque / Landmark Search Field
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Container(
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decoration: BoxDecoration(
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color: const Color(0xF50F172A),
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borderRadius: BorderRadius.circular(14),
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border: Border.all(color: const Color(0xFF0071E3)),
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boxShadow: const [BoxShadow(color: Colors.black54, blurRadius: 15)],
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),
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child: TextField(
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controller: _searchController,
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onChanged: _onSearchChanged,
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style: const TextStyle(color: Colors.white, fontSize: 13),
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decoration: InputDecoration(
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hintText: 'ابحث عن أي مسجد، مبنى، قلعة، تقاطع، أو معلم...',
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hintStyle: const TextStyle(color: Color(0xFF94A3B8), fontSize: 12),
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prefixIcon: const Icon(Icons.search, color: Color(0xFF38BDF8), size: 20),
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suffixIcon: _searchController.text.isNotEmpty
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? IconButton(
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icon: const Icon(Icons.clear, size: 16, color: Colors.white70),
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onPressed: () {
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_searchController.clear();
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_onSearchChanged('');
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},
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)
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: null,
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contentPadding: const EdgeInsets.symmetric(vertical: 12),
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border: InputBorder.none,
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),
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),
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),
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if (_isSearching) ...[
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const SizedBox(height: 4),
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const LinearProgressIndicator(minHeight: 2, color: Color(0xFF0071E3), backgroundColor: Colors.transparent),
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],
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// Search Results Dropdown List (if search has text or active)
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if (_searchController.text.isNotEmpty && _searchResults.isNotEmpty)
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Container(
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margin: const EdgeInsets.only(top: 6),
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constraints: const BoxConstraints(maxHeight: 180),
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decoration: BoxDecoration(
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color: const Color(0xF80F172A),
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borderRadius: BorderRadius.circular(14),
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border: Border.all(color: Colors.white12),
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boxShadow: const [BoxShadow(color: Colors.black87, blurRadius: 20)],
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),
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child: ListView.separated(
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padding: const EdgeInsets.symmetric(vertical: 4),
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shrinkWrap: true,
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itemCount: _searchResults.length,
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separatorBuilder: (_, __) => const Divider(color: Colors.white10, height: 1),
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itemBuilder: (context, idx) {
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final lm = _searchResults[idx];
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final isSelected = lm.id == _selectedLandmark?.id;
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return ListTile(
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dense: true,
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visualDensity: VisualDensity.compact,
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leading: Icon(
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lm.typeIcon,
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color: isSelected ? const Color(0xFF38BDF8) : const Color(0xFF94A3B8),
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size: 18,
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),
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title: Text(
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lm.name,
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style: TextStyle(
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color: isSelected ? const Color(0xFF38BDF8) : Colors.white,
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fontSize: 12,
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fontWeight: FontWeight.bold,
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),
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),
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subtitle: Text(
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'${lm.region} • ${lm.elevationM}م',
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style: const TextStyle(color: Color(0xFF64748B), fontSize: 10),
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),
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trailing: isSelected ? const Icon(Icons.check, color: Color(0xFF38BDF8), size: 16) : null,
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onTap: () {
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setState(() => _selectedLandmark = lm);
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_searchController.text = lm.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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],
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),
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),
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// ── 4. Bottom HUD: Active Target Details & Lock Action ───────
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Positioned(
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bottom: 24,
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left: 16,
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right: 16,
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child: Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: const Color(0xF50F172A),
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borderRadius: BorderRadius.circular(20),
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border: Border.all(color: const Color(0xFF0071E3), width: 1.5),
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boxShadow: const [BoxShadow(color: Colors.black87, blurRadius: 25)],
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),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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// Targeted Landmark Card
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if (_selectedLandmark != null)
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Container(
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margin: const EdgeInsets.only(bottom: 12),
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
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decoration: BoxDecoration(
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color: const Color(0x661E293B),
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borderRadius: BorderRadius.circular(12),
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border: Border.all(color: Colors.white12),
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),
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child: Row(
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children: [
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Icon(_selectedLandmark!.typeIcon, color: const Color(0xFF38BDF8), size: 22),
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const SizedBox(width: 10),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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_selectedLandmark!.name,
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style: const TextStyle(
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color: Colors.white,
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fontSize: 13,
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fontWeight: FontWeight.bold,
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),
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overflow: TextOverflow.ellipsis,
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),
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Text(
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'${_selectedLandmark!.region} • إحداثيات: ${_selectedLandmark!.lat.toStringAsFixed(4)}, ${_selectedLandmark!.lng.toStringAsFixed(4)}',
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style: const TextStyle(color: Color(0xFF94A3B8), fontSize: 10),
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),
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],
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),
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),
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
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decoration: BoxDecoration(
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color: const Color(0x330071E3),
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borderRadius: BorderRadius.circular(8),
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),
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child: Text(
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AngleFormatter.format(trueAzimuth, widget.angleUnit, includeLabel: false),
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style: const TextStyle(
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color: Color(0xFF38BDF8),
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fontSize: 12,
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fontWeight: FontWeight.w900,
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),
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),
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),
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],
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),
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),
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// Main Lock / Action Button
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Row(
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children: [
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Expanded(
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child: ElevatedButton.icon(
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onPressed: _selectedLandmark != null ? _lockCurrentObservation : null,
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icon: Icon(
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obsCount >= 1 ? Icons.my_location : Icons.lock_outline,
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size: 18,
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),
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label: Text(
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obsCount == 0
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? 'تثبيت رصد المعلم الأول'
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: 'تثبيت رصد المعلم الثاني (استخراج الموقع فوراً)',
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style: const TextStyle(fontSize: 12.5, fontWeight: FontWeight.w900),
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),
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style: ElevatedButton.styleFrom(
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backgroundColor: obsCount >= 1 ? const Color(0xFF22C55E) : const Color(0xFF0071E3),
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foregroundColor: Colors.white,
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padding: const EdgeInsets.symmetric(vertical: 14),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
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elevation: 4,
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),
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),
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),
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if (obsCount > 0) ...[
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const SizedBox(width: 8),
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IconButton.filledTonal(
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onPressed: widget.onResetPressed,
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icon: const Icon(Icons.refresh, size: 18),
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style: IconButton.styleFrom(
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backgroundColor: const Color(0x33EF4444),
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foregroundColor: const Color(0xFFF87171),
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),
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),
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],
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],
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),
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],
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),
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),
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),
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],
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),
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);
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}
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}
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