Sven laptop
837 lines
33 KiB
Dart
837 lines
33 KiB
Dart
// ignore_for_file: deprecated_member_use
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import 'dart:math';
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import 'package:flutter/material.dart';
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import 'package:flutter_map/flutter_map.dart';
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import 'package:latlong2/latlong.dart';
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import '../models/navigation.dart';
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import '../models/schedule.dart' as schedule;
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import '../services/navigation_service.dart';
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import '../services/schedule_service.dart';
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class NavigationScreen extends StatefulWidget {
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final schedule.Route route;
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const NavigationScreen({
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super.key,
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required this.route,
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});
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@override
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State<NavigationScreen> createState() => _NavigationScreenState();
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}
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class _NavigationScreenState extends State<NavigationScreen> {
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final _navigationService = NavigationService();
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final _scheduleService = ScheduleService();
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late MapController _mapController;
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NavigationRoute? _currentRoute;
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NavigationPoint? _currentLocation;
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bool _isLoading = false;
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String? _errorMessage;
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List<NavigationRoute>? _alternativeRoutes;
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List<NavigationPoint>? _stops;
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String? _stopsFetchError;
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int _currentStopIndex = 0;
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final Set<int> _completedStops = {};
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@override
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void initState() {
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super.initState();
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_mapController = MapController();
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_initializeNavigation();
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}
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Future<void> _initializeNavigation() async {
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setState(() {
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_isLoading = true;
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_errorMessage = null;
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});
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try {
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// Get current location
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final currentLoc = await _navigationService.getCurrentLocation();
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setState(() => _currentLocation = currentLoc);
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// Fetch stops for the bus line from the API (if available)
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try {
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_stops = await _scheduleService.getStops(widget.route.busLine.id);
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_stopsFetchError = null;
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} catch (e) {
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_stops = [];
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_stopsFetchError = e.toString().replaceAll('Exception: ', '');
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}
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// Determine start and end points: prefer stop locations if available.
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// If no stops are returned from the API, geocode the stop names.
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late NavigationPoint startPoint;
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late NavigationPoint endPoint;
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if (_stops != null && _stops!.length >= 2) {
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final optimized = await _navigationService.getOptimizedRouteThroughStops(stops: _stops!);
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_stops = optimized.orderedStops;
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startPoint = _stops!.first;
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endPoint = _stops!.last;
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if (mounted) {
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setState(() {
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_currentRoute = optimized.route;
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_alternativeRoutes = null;
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_isLoading = false;
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});
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_fitMapToRoute(optimized.route);
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}
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return;
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} else if (_stops != null && _stops!.length == 1) {
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// With exactly one linked stop, force that stop into the route as start
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// so the marker is guaranteed to be in-view.
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startPoint = _stops!.first;
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try {
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endPoint = await _navigationService.geocodePlace(widget.route.busLine.endStop);
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} catch (_) {
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endPoint = NavigationPoint(
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latitude: startPoint.latitude + 0.01,
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longitude: startPoint.longitude + 0.01,
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name: widget.route.busLine.endStop,
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);
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}
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} else {
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// Try geocoding names; fall back to conservative defaults on failure
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try {
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startPoint = await _navigationService.geocodePlace(widget.route.busLine.startStop);
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} catch (_) {
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startPoint = NavigationPoint(
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latitude: 52.5200,
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longitude: 13.4050,
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name: widget.route.busLine.startStop,
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);
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}
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try {
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endPoint = await _navigationService.geocodePlace(widget.route.busLine.endStop);
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} catch (_) {
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endPoint = NavigationPoint(
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latitude: 52.5300,
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longitude: 13.4150,
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name: widget.route.busLine.endStop,
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);
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}
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}
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// Get route without waypoints
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final navRoute = await _navigationService.getRoute(start: startPoint, end: endPoint);
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// Get alternative routes
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final alternatives = await _navigationService.getMultipleRoutes(start: startPoint, end: endPoint);
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if (mounted) {
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setState(() {
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_currentRoute = navRoute;
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_alternativeRoutes = alternatives;
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_isLoading = false;
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});
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// Fit map to route bounds
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_fitMapToRoute(navRoute);
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}
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} catch (e) {
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if (mounted) {
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setState(() {
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_errorMessage = e.toString().replaceAll('Exception: ', '');
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_isLoading = false;
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});
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}
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}
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}
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void _fitMapToRoute(NavigationRoute route) {
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final allPoints = <LatLng>[
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...route.getAllPoints().map((point) => LatLng(point.latitude, point.longitude)),
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...(_stops ?? []).map((stop) => LatLng(stop.latitude, stop.longitude)),
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if (_currentLocation != null) LatLng(_currentLocation!.latitude, _currentLocation!.longitude),
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];
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if (allPoints.isEmpty) return;
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double minLat = allPoints.first.latitude;
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double maxLat = allPoints.first.latitude;
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double minLon = allPoints.first.longitude;
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double maxLon = allPoints.first.longitude;
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for (final point in allPoints) {
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minLat = min(minLat, point.latitude);
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maxLat = max(maxLat, point.latitude);
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minLon = min(minLon, point.longitude);
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maxLon = max(maxLon, point.longitude);
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}
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final bounds = LatLngBounds(
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LatLng(minLat, minLon),
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LatLng(maxLat, maxLon),
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);
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_mapController.fitBounds(
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bounds,
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options: const FitBoundsOptions(padding: EdgeInsets.all(100)),
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);
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}
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int _nextUncompletedStopIndex([int startIndex = 0]) {
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if (_stops == null || _stops!.isEmpty) return 0;
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for (var index = startIndex; index < _stops!.length; index++) {
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if (!_completedStops.contains(index)) {
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return index;
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}
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}
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return _stops!.length - 1;
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}
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Future<void> _refreshRouteFromIndex(int index) async {
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if (_stops == null || _stops!.isEmpty) return;
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if (index < 0 || index >= _stops!.length) return;
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setState(() {
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_isLoading = true;
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_errorMessage = null;
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_currentStopIndex = index;
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});
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try {
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final remainingStops = _stops!.sublist(index);
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final navRoute = remainingStops.length >= 2
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? await _navigationService.getRouteThroughStops(stops: remainingStops)
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: _currentRoute;
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if (mounted) {
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setState(() {
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if (navRoute != null) {
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_currentRoute = navRoute;
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}
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_alternativeRoutes = null;
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_isLoading = false;
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});
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if (navRoute != null) {
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_fitMapToRoute(navRoute);
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}
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}
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} catch (e) {
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if (mounted) {
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setState(() {
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_errorMessage = e.toString().replaceAll('Exception: ', '');
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_isLoading = false;
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});
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}
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}
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}
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Future<void> _focusStop(int index) async {
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if (_stops == null || _stops!.isEmpty) return;
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if (index < 0 || index >= _stops!.length) return;
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await _refreshRouteFromIndex(index);
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}
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Future<void> _markStopCompleted(int index) async {
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if (_stops == null || _stops!.isEmpty) return;
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if (index < 0 || index >= _stops!.length) return;
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setState(() {
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_completedStops.add(index);
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});
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final nextIndex = _nextUncompletedStopIndex(index + 1);
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await _refreshRouteFromIndex(nextIndex);
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}
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double get _routeProgress {
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if (_stops == null || _stops!.isEmpty) return 0;
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if (_stops!.length == 1) return 1;
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return _currentStopIndex / (_stops!.length - 1);
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}
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Color get _routeColor => Color.lerp(Colors.blue, Colors.orange, _routeProgress) ?? Colors.blue;
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Color _stopColor(int index) {
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if (_completedStops.contains(index) || index < _currentStopIndex) return Colors.green;
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if (index == _currentStopIndex) return Colors.orange;
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return Colors.blueGrey;
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}
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IconData _stopIcon(int index) {
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if (_completedStops.contains(index) || index < _currentStopIndex) return Icons.check_circle;
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if (index == _currentStopIndex) return Icons.radio_button_checked;
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return Icons.location_on;
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}
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bool _isStopCompleted(int index) => _completedStops.contains(index) || index < _currentStopIndex;
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bool _hasStopNearPoint(NavigationPoint point, {double threshold = 0.00005}) {
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if (_stops == null || _stops!.isEmpty) return false;
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for (final stop in _stops!) {
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final latDiff = (stop.latitude - point.latitude).abs();
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final lonDiff = (stop.longitude - point.longitude).abs();
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if (latDiff <= threshold && lonDiff <= threshold) {
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return true;
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}
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}
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return false;
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}
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NavigationPoint? get _currentStopPoint {
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if (_stops == null || _stops!.isEmpty) return null;
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return _stops![_currentStopIndex.clamp(0, _stops!.length - 1)];
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}
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NavigationPoint? get _nextStopPoint {
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if (_stops == null || _stops!.isEmpty) return null;
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final nextIndex = _nextUncompletedStopIndex(_currentStopIndex + 1);
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return _stops![nextIndex.clamp(0, _stops!.length - 1)];
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}
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double get _completionRatio {
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if (_stops == null || _stops!.isEmpty) return 0;
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return _completedStops.length / _stops!.length;
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: Text('Route ${widget.route.busLine.lineNumber} Navigation'),
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elevation: 0,
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),
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body: Row(
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children: [
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// Map area (left pane)
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Expanded(
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flex: 6,
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child: _currentRoute != null
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? FlutterMap(
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mapController: _mapController,
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options: MapOptions(
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initialCenter: LatLng(
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_currentRoute!.start.latitude,
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_currentRoute!.start.longitude,
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),
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initialZoom: 13.0,
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),
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children: [
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TileLayer(
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urlTemplate:
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'https://tile.openstreetmap.org/{z}/{x}/{y}.png',
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userAgentPackageName: 'com.example.bus_terminal',
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),
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MarkerLayer(
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markers: [
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...(_stops ?? []).asMap().entries.map((entry) {
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final index = entry.key;
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final stop = entry.value;
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final color = _stopColor(index);
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return Marker(
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point: LatLng(stop.latitude, stop.longitude),
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width: 46,
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height: 46,
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child: Container(
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decoration: BoxDecoration(
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color: color,
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shape: BoxShape.circle,
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border: Border.all(
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color: Colors.white,
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width: 3,
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),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.22),
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blurRadius: 10,
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offset: const Offset(0, 4),
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),
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],
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),
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child: Stack(
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alignment: Alignment.center,
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children: [
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Icon(
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_stopIcon(index),
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color: Colors.white,
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size: 20,
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),
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Positioned(
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bottom: 4,
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 5, vertical: 1),
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decoration: BoxDecoration(
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color: Colors.black.withOpacity(0.35),
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borderRadius: BorderRadius.circular(999),
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),
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child: Text(
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'${index + 1}',
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style: const TextStyle(
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color: Colors.white,
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fontSize: 9,
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fontWeight: FontWeight.w800,
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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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// Start marker
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if (!_hasStopNearPoint(_currentRoute!.start))
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Marker(
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point: LatLng(
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_currentRoute!.start.latitude,
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_currentRoute!.start.longitude,
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),
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width: 40,
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height: 40,
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child: Container(
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decoration: BoxDecoration(
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color: Colors.green,
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shape: BoxShape.circle,
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border: Border.all(
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color: Colors.white,
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width: 2,
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),
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),
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child: const Icon(
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Icons.location_on,
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color: Colors.white,
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size: 20,
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),
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),
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),
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// End marker
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if (!_hasStopNearPoint(_currentRoute!.end))
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Marker(
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point: LatLng(
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_currentRoute!.end.latitude,
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_currentRoute!.end.longitude,
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),
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width: 40,
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height: 40,
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child: Container(
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decoration: BoxDecoration(
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color: Colors.red,
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shape: BoxShape.circle,
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border: Border.all(
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color: Colors.white,
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width: 2,
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),
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),
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child: const Icon(
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Icons.location_on,
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color: Colors.white,
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size: 20,
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),
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),
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),
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// Current location marker
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if (_currentLocation != null)
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Marker(
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point: LatLng(
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_currentLocation!.latitude,
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_currentLocation!.longitude,
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),
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width: 30,
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height: 30,
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child: Container(
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decoration: BoxDecoration(
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color: Colors.blue,
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shape: BoxShape.circle,
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border: Border.all(
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color: Colors.white,
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width: 2,
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),
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),
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child: const Icon(
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Icons.directions_bus,
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color: Colors.white,
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size: 16,
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),
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),
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),
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],
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),
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PolylineLayer(
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polylines: [
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// Main route
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Polyline(
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points: _currentRoute!
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.getAllPoints()
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.map((p) => LatLng(p.latitude, p.longitude))
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.toList(),
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color: _routeColor,
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strokeWidth: 5,
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),
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// Alternative routes (lighter)
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if (_alternativeRoutes != null)
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...List.generate(
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_alternativeRoutes!.length,
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(i) => Polyline(
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points: _alternativeRoutes![i]
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.getAllPoints()
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.map((p) => LatLng(p.latitude, p.longitude))
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.toList(),
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color: Colors.grey.withOpacity(0.5),
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strokeWidth: 2,
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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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: (_isLoading
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? const Center(child: CircularProgressIndicator())
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: Center(
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child: _errorMessage != null
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? Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.error_outline,
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size: 64,
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color: Colors.red[300],
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),
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const SizedBox(height: 16),
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Text(
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'Failed to load route',
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style:
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Theme.of(context).textTheme.titleMedium,
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),
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const SizedBox(height: 8),
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Text(
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_errorMessage!,
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style: Theme.of(context).textTheme.bodySmall,
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textAlign: TextAlign.center,
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),
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],
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)
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: const Text('No route'))),
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),
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// Vertical divider
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Container(width: 1, color: Colors.grey[200]),
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// Stops / Info panel (right pane)
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Expanded(
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flex: 4,
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child: Container(
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: const BorderRadius.only(
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topLeft: Radius.circular(16),
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bottomLeft: Radius.circular(16),
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),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.1),
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blurRadius: 10,
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offset: const Offset(-2, 0),
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),
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],
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),
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child: Padding(
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padding: const EdgeInsets.all(12),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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gradient: const LinearGradient(
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colors: [Color(0xFF0F172A), Color(0xFF1D4ED8)],
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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),
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borderRadius: BorderRadius.circular(18),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.12),
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blurRadius: 18,
|
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offset: const Offset(0, 8),
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),
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],
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),
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child: Column(
|
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
|
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children: [
|
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Container(
|
|
width: 42,
|
|
height: 42,
|
|
decoration: BoxDecoration(
|
|
color: Colors.white.withOpacity(0.18),
|
|
shape: BoxShape.circle,
|
|
),
|
|
child: const Icon(
|
|
Icons.route,
|
|
color: Colors.white,
|
|
),
|
|
),
|
|
const SizedBox(width: 12),
|
|
Expanded(
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Text(
|
|
'Route ${widget.route.busLine.lineNumber}',
|
|
style: Theme.of(context).textTheme.titleMedium?.copyWith(
|
|
color: Colors.white,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
const SizedBox(height: 2),
|
|
Text(
|
|
'${widget.route.busLine.startStop} → ${widget.route.busLine.endStop}',
|
|
style: Theme.of(context).textTheme.bodySmall?.copyWith(
|
|
color: Colors.white.withOpacity(0.85),
|
|
),
|
|
maxLines: 2,
|
|
overflow: TextOverflow.ellipsis,
|
|
),
|
|
],
|
|
),
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 16),
|
|
ClipRRect(
|
|
borderRadius: BorderRadius.circular(999),
|
|
child: LinearProgressIndicator(
|
|
minHeight: 10,
|
|
value: _completionRatio,
|
|
backgroundColor: Colors.white.withOpacity(0.12),
|
|
valueColor: const AlwaysStoppedAnimation<Color>(Colors.amberAccent),
|
|
),
|
|
),
|
|
const SizedBox(height: 10),
|
|
Row(
|
|
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
|
children: [
|
|
Text(
|
|
'${(_completionRatio * 100).round()}% afgerond',
|
|
style: Theme.of(context).textTheme.bodySmall?.copyWith(
|
|
color: Colors.white,
|
|
fontWeight: FontWeight.w600,
|
|
),
|
|
),
|
|
Text(
|
|
'${_completedStops.length}/${_stops?.length ?? 0} stops',
|
|
style: Theme.of(context).textTheme.bodySmall?.copyWith(
|
|
color: Colors.white.withOpacity(0.85),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 12),
|
|
Row(
|
|
children: [
|
|
Expanded(
|
|
child: _buildSummaryPill(
|
|
'Huidig',
|
|
_currentStopPoint?.name ?? 'Geen stop',
|
|
Icons.radio_button_checked,
|
|
),
|
|
),
|
|
const SizedBox(width: 8),
|
|
Expanded(
|
|
child: _buildSummaryPill(
|
|
'Volgend',
|
|
_nextStopPoint?.name ?? 'Einde route',
|
|
Icons.skip_next,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 12),
|
|
SizedBox(
|
|
width: double.infinity,
|
|
child: ElevatedButton.icon(
|
|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: Colors.white,
|
|
foregroundColor: const Color(0xFF0F172A),
|
|
padding: const EdgeInsets.symmetric(vertical: 14),
|
|
shape: RoundedRectangleBorder(
|
|
borderRadius: BorderRadius.circular(14),
|
|
),
|
|
),
|
|
onPressed: _stops == null || _stops!.isEmpty || _isStopCompleted(_currentStopIndex)
|
|
? null
|
|
: () => _markStopCompleted(_currentStopIndex),
|
|
icon: const Icon(Icons.check_circle_outline),
|
|
label: const Text('Markeer huidige stop afgerond'),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
const SizedBox(height: 14),
|
|
Container(
|
|
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
|
|
decoration: BoxDecoration(
|
|
color: Colors.grey[100],
|
|
borderRadius: BorderRadius.circular(12),
|
|
),
|
|
child: Row(
|
|
children: [
|
|
_legendDot(Colors.green, 'Afgerond'),
|
|
const SizedBox(width: 12),
|
|
_legendDot(Colors.orange, 'Actief'),
|
|
const SizedBox(width: 12),
|
|
_legendDot(Colors.blueGrey, 'Te doen'),
|
|
],
|
|
),
|
|
),
|
|
if (_stopsFetchError != null) ...[
|
|
const SizedBox(height: 10),
|
|
Container(
|
|
width: double.infinity,
|
|
padding: const EdgeInsets.all(10),
|
|
decoration: BoxDecoration(
|
|
color: Colors.red.withOpacity(0.08),
|
|
borderRadius: BorderRadius.circular(10),
|
|
border: Border.all(color: Colors.red.withOpacity(0.25)),
|
|
),
|
|
child: Text(
|
|
'Stops konden niet geladen worden voor buslijn ${widget.route.busLine.id}: $_stopsFetchError',
|
|
style: Theme.of(context).textTheme.bodySmall,
|
|
),
|
|
),
|
|
],
|
|
const SizedBox(height: 12),
|
|
Text(
|
|
'Stops',
|
|
style: Theme.of(context)
|
|
.textTheme
|
|
.titleMedium
|
|
?.copyWith(fontWeight: FontWeight.bold),
|
|
),
|
|
const SizedBox(height: 8),
|
|
Expanded(
|
|
child: _stops == null || _stops!.isEmpty
|
|
? Center(
|
|
child: Text(
|
|
'No stops available for this line',
|
|
style: Theme.of(context).textTheme.bodySmall,
|
|
),
|
|
)
|
|
: ListView.separated(
|
|
itemCount: _stops!.length,
|
|
separatorBuilder: (_, __) => const Divider(),
|
|
itemBuilder: (context, index) {
|
|
final s = _stops![index];
|
|
final color = _stopColor(index);
|
|
final completed = _isStopCompleted(index);
|
|
final isCurrent = index == _currentStopIndex;
|
|
return ListTile(
|
|
leading: CircleAvatar(
|
|
radius: 14,
|
|
backgroundColor: color,
|
|
child: Icon(
|
|
_stopIcon(index),
|
|
color: Colors.white,
|
|
size: 16,
|
|
),
|
|
),
|
|
title: Text(s.name ?? 'Stop ${index + 1}'),
|
|
subtitle: Text('${s.latitude.toStringAsFixed(5)}, ${s.longitude.toStringAsFixed(5)}'),
|
|
trailing: completed
|
|
? const Chip(
|
|
label: Text('Afgerond'),
|
|
visualDensity: VisualDensity.compact,
|
|
)
|
|
: TextButton.icon(
|
|
onPressed: () => _markStopCompleted(index),
|
|
icon: const Icon(Icons.check, size: 18),
|
|
label: Text(isCurrent ? 'Afronden' : 'Klaarzetten'),
|
|
),
|
|
onTap: () => _focusStop(index),
|
|
);
|
|
},
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
|
|
Widget _legendDot(Color color, String label) {
|
|
return Row(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
Container(
|
|
width: 10,
|
|
height: 10,
|
|
decoration: BoxDecoration(
|
|
color: color,
|
|
shape: BoxShape.circle,
|
|
),
|
|
),
|
|
const SizedBox(width: 6),
|
|
Text(
|
|
label,
|
|
style: Theme.of(context).textTheme.bodySmall,
|
|
),
|
|
],
|
|
);
|
|
}
|
|
|
|
Widget _buildSummaryPill(String title, String value, IconData icon) {
|
|
return Container(
|
|
padding: const EdgeInsets.all(12),
|
|
decoration: BoxDecoration(
|
|
color: Colors.white.withOpacity(0.12),
|
|
borderRadius: BorderRadius.circular(14),
|
|
border: Border.all(color: Colors.white.withOpacity(0.16)),
|
|
),
|
|
child: Row(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Icon(icon, color: Colors.white, size: 18),
|
|
const SizedBox(width: 8),
|
|
Expanded(
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Text(
|
|
title,
|
|
style: Theme.of(context).textTheme.labelSmall?.copyWith(
|
|
color: Colors.white.withOpacity(0.75),
|
|
letterSpacing: 0.2,
|
|
),
|
|
),
|
|
const SizedBox(height: 4),
|
|
Text(
|
|
value,
|
|
style: Theme.of(context).textTheme.bodySmall?.copyWith(
|
|
color: Colors.white,
|
|
fontWeight: FontWeight.w600,
|
|
),
|
|
maxLines: 2,
|
|
overflow: TextOverflow.ellipsis,
|
|
),
|
|
],
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
}
|