523 lines
21 KiB
Dart
523 lines
21 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:intaleq_maps/intaleq_maps.dart';
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import '../services/viewshed_360_engine.dart';
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import '../services/offline_los_engine.dart';
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import '../services/military_grid_utils.dart';
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/// Tactical Bottom Sheet for 360° Radial Viewshed (تحليل حقل الرؤية الدائري 360 درجة)
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class TacticalViewshedSheet extends StatefulWidget {
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final LatLng observer;
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final LatLng? currentGps;
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final Function(LatLng newObs)? onUpdateObserver;
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final Function(Viewshed360Report report) onReportUpdated;
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final VoidCallback onPickObserverOnMap;
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final VoidCallback onClose;
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const TacticalViewshedSheet({
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super.key,
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required this.observer,
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this.currentGps,
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this.onUpdateObserver,
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required this.onReportUpdated,
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required this.onPickObserverOnMap,
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required this.onClose,
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});
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@override
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State<TacticalViewshedSheet> createState() => _TacticalViewshedSheetState();
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}
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class _TacticalViewshedSheetState extends State<TacticalViewshedSheet> with SingleTickerProviderStateMixin {
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late LatLng _currentObs;
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double _radiusKm = 5.0;
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double _observerHeightM = 2.0;
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final int _rayCount = 360; // 360 continuous 1-degree radial rays (15-20ms)
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Viewshed360Report? _report;
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bool _isCalculating = false;
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bool _showCoordInputs = false;
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late TabController _coordTabController;
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late TextEditingController _obsEastingCtrl;
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late TextEditingController _obsNorthingCtrl;
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late TextEditingController _obsLatCtrl;
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late TextEditingController _obsLngCtrl;
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@override
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void initState() {
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super.initState();
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_currentObs = widget.observer;
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_coordTabController = TabController(length: 2, vsync: this);
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final obsMil = MilitaryGridUtils.fromLatLng(_currentObs);
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_obsEastingCtrl = TextEditingController(text: obsMil.eastingStr);
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_obsNorthingCtrl = TextEditingController(text: obsMil.northingStr);
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_obsLatCtrl = TextEditingController(text: _currentObs.latitude.toStringAsFixed(6));
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_obsLngCtrl = TextEditingController(text: _currentObs.longitude.toStringAsFixed(6));
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (mounted) _computeViewshed();
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});
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}
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@override
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void didUpdateWidget(covariant TacticalViewshedSheet oldWidget) {
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super.didUpdateWidget(oldWidget);
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if (oldWidget.observer != widget.observer) {
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_currentObs = widget.observer;
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final obsMil = MilitaryGridUtils.fromLatLng(_currentObs);
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_obsEastingCtrl.text = obsMil.eastingStr;
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_obsNorthingCtrl.text = obsMil.northingStr;
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_obsLatCtrl.text = _currentObs.latitude.toStringAsFixed(6);
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_obsLngCtrl.text = _currentObs.longitude.toStringAsFixed(6);
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (mounted) _computeViewshed();
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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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_coordTabController.dispose();
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_obsEastingCtrl.dispose();
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_obsNorthingCtrl.dispose();
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_obsLatCtrl.dispose();
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_obsLngCtrl.dispose();
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super.dispose();
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}
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void _computeViewshed() async {
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setState(() => _isCalculating = true);
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final report = await Viewshed360Engine.calculateAsync(
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observer: _currentObs,
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radiusMeters: _radiusKm * 1000.0,
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observerHeightM: _observerHeightM,
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rayCount: _rayCount,
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);
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if (mounted) {
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setState(() {
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_report = report;
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_isCalculating = false;
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});
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widget.onReportUpdated(report);
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}
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}
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void _applyManualCoordinates() {
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LatLng newObs = _currentObs;
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if (_coordTabController.index == 0) {
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final e = double.tryParse(_obsEastingCtrl.text) ?? 0;
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final n = double.tryParse(_obsNorthingCtrl.text) ?? 0;
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if (e > 100000 && n > 1000000) {
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newObs = MilitaryGridUtils.toLatLng(easting: e, northing: n);
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}
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} else {
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final lat = double.tryParse(_obsLatCtrl.text);
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final lng = double.tryParse(_obsLngCtrl.text);
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if (lat != null && lng != null) {
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newObs = LatLng(lat, lng);
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}
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}
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setState(() {
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_currentObs = newObs;
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_showCoordInputs = false;
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});
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widget.onUpdateObserver?.call(newObs);
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_computeViewshed();
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}
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@override
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Widget build(BuildContext context) {
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final obsMil = MilitaryGridUtils.fromLatLng(_currentObs);
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final obsElev = JordanDemSurface.elevationAt(_currentObs.latitude, _currentObs.longitude);
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return Container(
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padding: const EdgeInsets.all(16),
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decoration: const BoxDecoration(
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color: Color(0xFF090E1A),
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borderRadius: BorderRadius.vertical(top: Radius.circular(24)),
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border: Border(top: BorderSide(color: Color(0xFF38BDF8), width: 1.5)),
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),
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child: SafeArea(
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top: false,
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child: SingleChildScrollView(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// Handle Bar
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Center(
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child: Container(
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width: 40,
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height: 4,
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margin: const EdgeInsets.only(bottom: 12),
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decoration: BoxDecoration(
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color: Colors.white24,
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borderRadius: BorderRadius.circular(2),
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),
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),
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),
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// Header Bar
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Row(
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children: [
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Container(
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padding: const EdgeInsets.all(8),
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decoration: BoxDecoration(
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color: const Color(0xFF22C55E).withValues(alpha: 0.15),
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borderRadius: BorderRadius.circular(10),
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border: Border.all(color: const Color(0xFF22C55E)),
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),
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child: _isCalculating
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? const SizedBox(
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width: 22,
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height: 22,
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child: CircularProgressIndicator(strokeWidth: 2, color: Color(0xFF4ADE80)),
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)
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: const Icon(Icons.radar, color: Color(0xFF4ADE80), size: 22),
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),
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const SizedBox(width: 12),
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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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const Text(
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'منظومة حقل الرؤية والرصد 360° (360° Viewshed)',
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style: TextStyle(color: Colors.white, fontSize: 13, fontWeight: FontWeight.bold),
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overflow: TextOverflow.ellipsis,
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),
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Text(
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'مركز الرصد: ${obsMil.arabicFullFormat} • ارتفاع: ${obsElev.round()}م',
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style: const TextStyle(color: Color(0xFF38BDF8), fontSize: 11),
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overflow: TextOverflow.ellipsis,
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),
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],
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),
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),
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IconButton(
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onPressed: widget.onClose,
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icon: const Icon(Icons.close, color: Colors.white70, size: 20),
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),
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],
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),
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const SizedBox(height: 12),
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// Metrics Card
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if (_report != null)
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Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: const Color(0xFF0F172A),
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borderRadius: BorderRadius.circular(12),
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border: Border.all(color: Colors.white10),
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),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceAround,
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children: [
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_buildMetricCol(
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'المساحة المكشوفة',
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'${_report!.visibleAreaSqKm.toStringAsFixed(1)} كم²',
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const Color(0xFF4ADE80),
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),
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_buildDivider(),
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_buildMetricCol(
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'كفاءة التغطية',
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'${_report!.visibilityPercentage}%',
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_report!.visibilityPercentage > 50 ? const Color(0xFF4ADE80) : const Color(0xFFF59E0B),
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),
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_buildDivider(),
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_buildMetricCol(
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'متوسط المدى',
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'${_report!.averageSightRangeKm.toStringAsFixed(1)} كم',
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const Color(0xFF38BDF8),
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),
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],
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),
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),
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const SizedBox(height: 12),
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// Radius Slider
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Row(
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children: [
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const Icon(Icons.blur_circular, size: 16, color: Color(0xFF38BDF8)),
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const SizedBox(width: 6),
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Text(
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'نصف قطر المسح: ${_radiusKm.toStringAsFixed(1)} كم',
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style: const TextStyle(color: Colors.white, fontSize: 12, fontWeight: FontWeight.bold),
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),
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],
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),
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Text(
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'${(_radiusKm * 1000).round()} متر',
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style: const TextStyle(color: Colors.white60, fontSize: 11),
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),
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],
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),
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Slider(
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value: _radiusKm,
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min: 1.0,
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max: 15.0,
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divisions: 14,
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activeColor: const Color(0xFF38BDF8),
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inactiveColor: Colors.white12,
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onChanged: (val) {
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setState(() => _radiusKm = val);
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_computeViewshed();
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},
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),
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// Optic Height Segmented Choice
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Row(
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children: [
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const Icon(Icons.height, size: 16, color: Color(0xFFF59E0B)),
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const SizedBox(width: 6),
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const Text(
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'ارتفاع نقطة الرصد / البصريات:',
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style: TextStyle(color: Colors.white, fontSize: 12, fontWeight: FontWeight.bold),
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),
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],
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),
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const SizedBox(height: 6),
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Row(
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children: [
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_buildHeightChip(2.0, '2م (منظار)'),
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const SizedBox(width: 6),
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_buildHeightChip(5.0, '5م (مركبة)'),
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const SizedBox(width: 6),
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_buildHeightChip(10.0, '10م (سارية)'),
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const SizedBox(width: 6),
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_buildHeightChip(25.0, '25م (برج)'),
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],
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),
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const SizedBox(height: 12),
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// Action Buttons Row: [Manual Coordinates / Map Selection / Current GPS]
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Row(
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children: [
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Expanded(
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child: OutlinedButton.icon(
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onPressed: () => setState(() => _showCoordInputs = !_showCoordInputs),
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style: OutlinedButton.styleFrom(
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foregroundColor: const Color(0xFF38BDF8),
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side: const BorderSide(color: Color(0xFF38BDF8)),
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padding: const EdgeInsets.all(16),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
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),
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icon: Icon(_showCoordInputs ? Icons.expand_less : Icons.edit_location_alt, size: 16),
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label: const Text('إدخال إحداثيات', style: TextStyle(fontSize: 11, fontWeight: FontWeight.bold)),
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),
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),
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const SizedBox(width: 8),
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Expanded(
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child: ElevatedButton.icon(
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onPressed: widget.onPickObserverOnMap,
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style: ElevatedButton.styleFrom(
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backgroundColor: const Color(0xFF0284C7),
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foregroundColor: Colors.white,
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padding: const EdgeInsets.all(16),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
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),
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icon: const Icon(Icons.touch_app, size: 16),
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label: const Text('نقر من الخريطة 👁️', style: TextStyle(fontSize: 11, fontWeight: FontWeight.bold)),
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),
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),
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if (widget.currentGps != null) ...[
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const SizedBox(width: 8),
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IconButton(
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tooltip: 'استخدام موقعي الحالي',
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style: IconButton.styleFrom(
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backgroundColor: const Color(0xFF1E293B),
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foregroundColor: const Color(0xFF22C55E),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(10),
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side: const BorderSide(color: Color(0xFF22C55E)),
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),
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),
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icon: const Icon(Icons.my_location, size: 18),
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onPressed: () {
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setState(() {
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_currentObs = widget.currentGps!;
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});
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widget.onUpdateObserver?.call(_currentObs);
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_computeViewshed();
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},
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),
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],
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],
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),
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// Coordinate Inputs Box
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if (_showCoordInputs) ...[
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const SizedBox(height: 12),
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Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: const Color(0xFF1E293B),
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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: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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TabBar(
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controller: _coordTabController,
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indicatorColor: const Color(0xFF38BDF8),
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labelColor: const Color(0xFF38BDF8),
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unselectedLabelColor: Colors.white60,
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tabs: const [
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Tab(text: 'شبكة عسكرية (UTM)'),
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Tab(text: 'درجات عشرية (Lat/Lng)'),
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],
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),
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const SizedBox(height: 10),
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SizedBox(
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height: 70,
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child: TabBarView(
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controller: _coordTabController,
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children: [
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// UTM
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Row(
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children: [
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Expanded(
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child: TextField(
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controller: _obsEastingCtrl,
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keyboardType: TextInputType.number,
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style: const TextStyle(color: Colors.white, fontSize: 12),
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decoration: InputDecoration(
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labelText: 'شرقيات (Easting)',
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labelStyle: const TextStyle(color: Colors.white60, fontSize: 11),
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filled: true,
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fillColor: const Color(0xFF0F172A),
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border: OutlineInputBorder(borderRadius: BorderRadius.circular(8)),
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),
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),
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),
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const SizedBox(width: 8),
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Expanded(
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child: TextField(
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controller: _obsNorthingCtrl,
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keyboardType: TextInputType.number,
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style: const TextStyle(color: Colors.white, fontSize: 12),
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decoration: InputDecoration(
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labelText: 'شماليات (Northing)',
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labelStyle: const TextStyle(color: Colors.white60, fontSize: 11),
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filled: true,
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fillColor: const Color(0xFF0F172A),
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border: OutlineInputBorder(borderRadius: BorderRadius.circular(8)),
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),
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),
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),
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],
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),
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// Decimal
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Row(
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children: [
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Expanded(
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child: TextField(
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controller: _obsLatCtrl,
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keyboardType: const TextInputType.numberWithOptions(decimal: true),
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style: const TextStyle(color: Colors.white, fontSize: 12),
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decoration: InputDecoration(
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labelText: 'دائرة العرض (Lat)',
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labelStyle: const TextStyle(color: Colors.white60, fontSize: 11),
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filled: true,
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fillColor: const Color(0xFF0F172A),
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border: OutlineInputBorder(borderRadius: BorderRadius.circular(8)),
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),
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),
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),
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const SizedBox(width: 8),
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Expanded(
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child: TextField(
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controller: _obsLngCtrl,
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keyboardType: const TextInputType.numberWithOptions(decimal: true),
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style: const TextStyle(color: Colors.white, fontSize: 12),
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decoration: InputDecoration(
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labelText: 'خط الطول (Lng)',
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labelStyle: const TextStyle(color: Colors.white60, fontSize: 11),
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filled: true,
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fillColor: const Color(0xFF0F172A),
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border: OutlineInputBorder(borderRadius: BorderRadius.circular(8)),
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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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const SizedBox(height: 8),
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ElevatedButton(
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onPressed: _applyManualCoordinates,
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style: ElevatedButton.styleFrom(
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backgroundColor: const Color(0xFF22C55E),
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foregroundColor: Colors.white,
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padding: const EdgeInsets.all(16),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
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),
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child: const Text('تطبيق الإحداثيات وإعادة الرصد', style: TextStyle(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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],
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),
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),
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),
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);
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}
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Widget _buildHeightChip(double h, String label) {
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final isSelected = _observerHeightM == h;
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return Expanded(
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child: InkWell(
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onTap: () {
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setState(() => _observerHeightM = h);
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_computeViewshed();
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},
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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: isSelected ? const Color(0xFF0284C7) : const Color(0xFF1E293B),
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borderRadius: BorderRadius.circular(8),
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border: Border.all(color: isSelected ? const Color(0xFF38BDF8) : Colors.white12),
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),
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child: Center(
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child: Text(
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label,
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style: TextStyle(
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color: isSelected ? Colors.white : Colors.white70,
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fontSize: 9.5,
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fontWeight: isSelected ? FontWeight.bold : FontWeight.normal,
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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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Widget _buildMetricCol(String title, String val, Color color) {
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return Column(
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children: [
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Text(title, style: const TextStyle(color: Colors.white60, fontSize: 10)),
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const SizedBox(height: 2),
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Text(val, style: TextStyle(color: color, fontSize: 13, fontWeight: FontWeight.bold)),
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],
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|
);
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|
}
|
|
|
|
Widget _buildDivider() {
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return Container(width: 1, height: 26, color: Colors.white12);
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|
}
|
|
}
|