add support for network calculation from the calculator

lib/components/calculator/route_summary_widget.dart

@@ -40,6 +40,7 @@ class RouteDetailsView extends StatelessWidget {
   final List<double> costs;
   final VoidCallback onBack;
   final Set<String> routingPoints;
+  final VoidCallback? onNetworksPressed;
 
   const RouteDetailsView({
     super.key,
@@ -47,6 +48,7 @@ class RouteDetailsView extends StatelessWidget {
     required this.costs,
     required this.onBack,
     this.routingPoints = const {},
+    this.onNetworksPressed,
   });
 
   @override
@@ -56,13 +58,21 @@ class RouteDetailsView extends StatelessWidget {
     final mutedColor = Theme.of(context).colorScheme.outlineVariant;
     return Column(
       children: [
-        Align(
-          alignment: Alignment.centerLeft,
-          child: TextButton.icon(
-            onPressed: onBack,
-            icon: const Icon(Icons.arrow_back),
-            label: const Text('Back'),
-          ),
+        Row(
+          children: [
+            TextButton.icon(
+              onPressed: onBack,
+              icon: const Icon(Icons.arrow_back),
+              label: const Text('Back'),
+            ),
+            const Spacer(),
+            if (onNetworksPressed != null)
+              TextButton.icon(
+                onPressed: onNetworksPressed,
+                icon: const Icon(Icons.account_tree),
+                label: const Text('Networks'),
+              ),
+          ],
         ),
         Expanded(
           child: ListView.builder(

lib/components/legs/leg_card.dart

@@ -32,6 +32,8 @@ class _LegCardState extends State<LegCard> {
     final sharedTo = leg.sharedTo;
     final distanceUnits = context.watch<DistanceUnitService>();
     final routeSegments = _parseRouteSegments(leg.route);
+    final networkMileage = _sortedNetworkMileage(leg);
+    final countryMileage = _sortedCountryMileage(leg);
     final textTheme = Theme.of(context).textTheme;
     return Card(
       clipBehavior: Clip.antiAlias,
@@ -160,10 +162,11 @@ class _LegCardState extends State<LegCard> {
                 ),
               );
             }
-            if (leg.network.isNotEmpty) {
+            final networkSummary = _networkSummary(leg);
+            if (networkSummary != null) {
               children.add(
                 Text(
-                  leg.network,
+                  networkSummary,
                   style: textTheme.labelSmall,
                 ),
               );
@@ -285,6 +288,28 @@ class _LegCardState extends State<LegCard> {
                   ),
                   const SizedBox(height: 12),
                 ],
+                if (networkMileage.isNotEmpty || countryMileage.isNotEmpty) ...[
+                  Text('Network mileage', style: textTheme.titleSmall),
+                  const SizedBox(height: 6),
+                  ...networkMileage.map(
+                    (entry) => Text(
+                      '${entry.network}: ${distanceUnits.format(entry.miles, decimals: 1)}',
+                      style: textTheme.bodyMedium,
+                    ),
+                  ),
+                  if (countryMileage.isNotEmpty) ...[
+                    const SizedBox(height: 8),
+                    Text('Country mileage', style: textTheme.titleSmall),
+                    const SizedBox(height: 6),
+                    ...countryMileage.map(
+                      (entry) => Text(
+                        '${entry.country}: ${distanceUnits.format(entry.miles, decimals: 1)}',
+                        style: textTheme.bodyMedium,
+                      ),
+                    ),
+                  ],
+                  const SizedBox(height: 12),
+                ],
                 if (routeSegments.isNotEmpty) ...[
                   Text('Route', style: textTheme.titleSmall),
                   const SizedBox(height: 6),
@@ -483,6 +508,33 @@ class _LegCardState extends State<LegCard> {
   List<String> _parseRouteSegments(List<String> route) {
     return route.map((e) => e.toString()).where((e) => e.trim().isNotEmpty).toList();
   }
+
+  List<NetworkMileage> _sortedNetworkMileage(Leg leg) {
+    final items = leg.networkMileage
+        .where((entry) => entry.network.trim().isNotEmpty)
+        .toList();
+    items.sort((a, b) => b.miles.compareTo(a.miles));
+    return items;
+  }
+
+  List<CountryMileage> _sortedCountryMileage(Leg leg) {
+    final items = leg.countryMileage
+        .where((entry) => entry.country.trim().isNotEmpty)
+        .toList();
+    items.sort((a, b) => b.miles.compareTo(a.miles));
+    return items;
+  }
+
+  String? _networkSummary(Leg leg) {
+    final networks = _sortedNetworkMileage(leg);
+    if (networks.isNotEmpty) {
+      return networks.map((entry) => entry.network).join(', ');
+    }
+    if (leg.network.trim().isNotEmpty) {
+      return leg.network;
+    }
+    return null;
+  }
 }
 
 class _SharedIcons extends StatelessWidget {

lib/components/login/login.dart

@@ -192,7 +192,7 @@ class _LoginLogoState extends State<_LoginLogo> {
   }
 
   String _colorToHex(Color color) {
-    final hex = color.value.toRadixString(16).padLeft(8, '0');
+    final hex = color.toARGB32().toRadixString(16).padLeft(8, '0');
     return '#${hex.substring(2)}';
   }
 }

lib/components/pages/calculator_details.dart

@@ -2,6 +2,8 @@ import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 import 'package:mileograph_flutter/components/calculator/route_summary_widget.dart';
 import 'package:mileograph_flutter/objects/objects.dart';
+import 'package:mileograph_flutter/services/distance_unit_service.dart';
+import 'package:provider/provider.dart';
 
 class CalculatorDetailsPage extends StatelessWidget {
   const CalculatorDetailsPage({
@@ -34,13 +36,85 @@ class CalculatorDetailsPage extends StatelessWidget {
       );
     }
 
-    return Padding(
-      padding: const EdgeInsets.all(16.0),
-      child: RouteDetailsView(
-        route: parsed.calculatedRoute,
-        costs: parsed.costs,
-        routingPoints: parsed.inputRoute.toSet(),
-        onBack: () => context.pop(),
+    final networks = List<NetworkMileage>.from(parsed.networkMileage)
+      ..sort((a, b) => b.miles.compareTo(a.miles));
+    final countries = List<CountryMileage>.from(parsed.countryMileage)
+      ..sort((a, b) => b.miles.compareTo(a.miles));
+
+    return Scaffold(
+      endDrawer: _NetworksDrawer(
+        networks: networks,
+        countries: countries,
+      ),
+      body: Builder(
+        builder: (scaffoldContext) => Padding(
+          padding: const EdgeInsets.all(16.0),
+          child: RouteDetailsView(
+            route: parsed.calculatedRoute,
+            costs: parsed.costs,
+            routingPoints: parsed.inputRoute.toSet(),
+            onBack: () => context.pop(),
+            onNetworksPressed: () =>
+                Scaffold.of(scaffoldContext).openEndDrawer(),
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+class _NetworksDrawer extends StatelessWidget {
+  const _NetworksDrawer({
+    required this.networks,
+    required this.countries,
+  });
+
+  final List<NetworkMileage> networks;
+  final List<CountryMileage> countries;
+
+  @override
+  Widget build(BuildContext context) {
+    final distanceUnits = context.watch<DistanceUnitService>();
+    return Drawer(
+      child: SafeArea(
+        child: ListView(
+          padding: const EdgeInsets.all(16),
+          children: [
+            Text(
+              'Networks',
+              style: Theme.of(context).textTheme.titleMedium,
+            ),
+            const SizedBox(height: 8),
+            if (networks.isEmpty)
+              const Text('No network mileage data.')
+            else
+              ...networks.map(
+                (entry) => ListTile(
+                  contentPadding: EdgeInsets.zero,
+                  title: Text(entry.network),
+                  trailing:
+                      Text(distanceUnits.format(entry.miles, decimals: 2)),
+                ),
+              ),
+            const SizedBox(height: 16),
+            Text(
+              'Countries',
+              style: Theme.of(context).textTheme.titleMedium,
+            ),
+            const SizedBox(height: 8),
+            if (countries.isEmpty)
+              const Text('No country mileage data.')
+            else
+              ...countries.map(
+                (entry) => ListTile(
+                  contentPadding: EdgeInsets.zero,
+                  title: Text(entry.country),
+                  trailing:
+                      Text(distanceUnits.format(entry.miles, decimals: 2)),
+                ),
+              ),
+          ],
+        ),
       ),
     );
   }

lib/components/pages/loco_timeline/timeline_grid.dart

@@ -813,17 +813,17 @@ List<DateTime> _buildBoundaries(
   for (final seg in segments) {
     boundaryDates.add(seg.start);
     boundaryDates.add(seg.end);
-    minStart = minStart == null || seg.start.isBefore(minStart!)
+    minStart = minStart == null || seg.start.isBefore(minStart)
         ? seg.start
         : minStart;
-    maxEnd = maxEnd == null || seg.end.isAfter(maxEnd!) ? seg.end : maxEnd;
+    maxEnd = maxEnd == null || seg.end.isAfter(maxEnd) ? seg.end : maxEnd;
   }
-  minStart ??= now.subtract(const Duration(days: 1));
+  final effectiveMinStart = minStart ?? now.subtract(const Duration(days: 1));
   final effectiveMaxEnd = maxEnd ?? now;
   boundaryDates.add(effectiveMaxEnd);
   var boundaries = boundaryDates.toList()..sort();
   if (boundaries.length < 2) {
-    boundaries = [minStart!, effectiveMaxEnd];
+    boundaries = [effectiveMinStart, effectiveMaxEnd];
   }
   return boundaries;
 }

lib/components/pages/new_entry/new_entry_page.dart

@@ -1399,16 +1399,18 @@ class _NewEntryPageState extends State<NewEntryPage> {
                   singleColumn: true,
                 ),
               ),
-              const Divider(height: 24),
-              TextFormField(
-                controller: _networkController,
-                textCapitalization: TextCapitalization.characters,
-                inputFormatters: const [_UpperCaseTextFormatter()],
-                decoration: const InputDecoration(
-                  labelText: 'Network',
-                  border: OutlineInputBorder(),
+              if (_useManualMileage) ...[
+                const Divider(height: 24),
+                TextFormField(
+                  controller: _networkController,
+                  textCapitalization: TextCapitalization.characters,
+                  inputFormatters: const [_UpperCaseTextFormatter()],
+                  decoration: const InputDecoration(
+                    labelText: 'Network',
+                    border: OutlineInputBorder(),
+                  ),
                 ),
-              ),
+              ],
               TextFormField(
                 controller: _notesController,
                 maxLines: 3,
@@ -1520,6 +1522,9 @@ class _NewEntryPageState extends State<NewEntryPage> {
                 onSelected: (val) {
                   setState(() {
                     _useManualMileage = val;
+                    if (!val) {
+                      _networkController.clear();
+                    }
                     if (val && _routeResult != null) {
                       _mileageController.text = _formatDistance(
                         distanceUnitService,

lib/components/pages/new_entry/new_entry_submit_logic.dart

@@ -18,7 +18,7 @@ extension _NewEntrySubmitLogic on _NewEntryPageState {
       }
     }
 
-    if (_networkController.text.trim().isEmpty) {
+    if (_useManualMileage && _networkController.text.trim().isEmpty) {
       missing.add('Network');
     }
 
@@ -93,7 +93,7 @@ extension _NewEntrySubmitLogic on _NewEntryPageState {
     final isEditingExisting = _isEditing && widget.editLegId != null;
 
     try {
-      final commonPayload = {
+    final commonPayload = {
         if (isEditingExisting) "leg_id": widget.editLegId,
         "leg_trip": _selectedTripId,
         "leg_begin_time": _legDateTime.toIso8601String(),
@@ -104,7 +104,8 @@ extension _NewEntrySubmitLogic on _NewEntryPageState {
           "leg_destination_time": destinationTime.toIso8601String(),
         "leg_notes": _notesController.text.trim(),
         "leg_headcode": _headcodeController.text.trim(),
-        "leg_network": _networkController.text.trim(),
+        if (_useManualMileage)
+          "leg_network": _networkController.text.trim(),
         "leg_origin": _originController.text.trim(),
         "leg_destination": _destinationController.text.trim(),
         "leg_begin_delay": beginDelay,

lib/components/pages/stats.dart

@@ -170,6 +170,21 @@ class _StatsPageState extends State<StatsPage> {
                   ),
                 ),
               ),
+            if (year.topCountries.isNotEmpty)
+              _buildSection<StatsCountryMileage>(
+                context,
+                title: 'Top countries',
+                items: year.topCountries,
+                emptyLabel: 'No country data',
+                itemBuilder: (item, index) => ListTile(
+                  dense: true,
+                  contentPadding: const EdgeInsets.symmetric(horizontal: 8),
+                  title: Text(item.country),
+                  trailing: Text(
+                    distanceUnits.format(item.mileage, decimals: 1),
+                  ),
+                ),
+              ),
             _buildSection<StatsStationVisits>(
               context,
               title: 'Top stations',

lib/components/pages/traction/traction_page.dart

@@ -699,11 +699,8 @@ class _TractionPageState extends State<TractionPage> {
     );
 
     final hasAdminActions = isElevated;
-    final hasMoreMenu = true;
 
-    final moreButton = !hasMoreMenu
-        ? null
-        : PopupMenuButton<_TractionMoreAction>(
+    final moreButton = PopupMenuButton<_TractionMoreAction>(
             tooltip: 'More options',
             onSelected: (action) async {
               switch (action) {
@@ -859,11 +856,11 @@ class _TractionPageState extends State<TractionPage> {
     final desktopActions = [
       refreshButton,
       newTractionButton,
-      if (moreButton != null) moreButton,
+      moreButton,
     ];
 
     final mobileActions = [
-      if (moreButton != null) moreButton,
+      moreButton,
       newTractionButton,
       refreshButton,
     ];
@@ -1041,8 +1038,9 @@ class _TractionPageState extends State<TractionPage> {
                 if (!mounted) return;
                 errorMessage = e.toString();
               } finally {
-                if (!mounted) return;
-                setModalState(() => uploading = false);
+                if (mounted) {
+                  setModalState(() => uploading = false);
+                }
               }
             }