Keep contact GPS location saved

lib/widgets/contacts/contact_route_dialog.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 
 import '../../models/contact.dart';
+import '../../services/route_hash_preferences.dart';
 
 class ContactRouteDialog extends StatefulWidget {
   final Contact contact;
@@ -17,11 +18,20 @@ class ContactRouteDialog extends StatefulWidget {
     required Contact contact,
     required List<Contact> availableContacts,
   }) {
-    return showDialog<ParsedContactRoute>(
+    return showModalBottomSheet<ParsedContactRoute>(
       context: context,
-      builder: (context) => ContactRouteDialog(
-        contact: contact,
-        availableContacts: availableContacts,
+      isScrollControlled: true,
+      showDragHandle: true,
+      builder: (context) => SafeArea(
+        child: Padding(
+          padding: EdgeInsets.only(
+            bottom: MediaQuery.of(context).viewInsets.bottom,
+          ),
+          child: ContactRouteDialog(
+            contact: contact,
+            availableContacts: availableContacts,
+          ),
+        ),
       ),
     );
   }
@@ -32,20 +42,18 @@ class ContactRouteDialog extends StatefulWidget {
 
 class _ContactRouteDialogState extends State<ContactRouteDialog> {
   late final TextEditingController _controller;
-  late int _selectedHashSize;
+  int _selectedHashSize = RouteHashPreferences.defaultHashSize;
   ParsedContactRoute? _parsedRoute;
   String? _errorText;
 
   @override
   void initState() {
     super.initState();
-    _selectedHashSize = widget.contact.routeHasPath
-        ? widget.contact.routeHashSize
-        : 1;
     _controller = TextEditingController(
       text: widget.contact.routeCanonicalText,
     );
     _controller.addListener(_reparse);
+    _loadHashSizePreference();
     _reparse();
   }
 
@@ -68,10 +76,12 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
     }
 
     try {
-      final parsed = ContactRouteCodec.parse(input);
+      final parsed = ContactRouteCodec.parse(
+        input,
+        expectedHashSize: _selectedHashSize,
+      );
       setState(() {
         _parsedRoute = parsed;
-        _selectedHashSize = parsed.hashSize;
         _errorText = null;
       });
     } on ContactRouteFormatException catch (error) {
@@ -82,6 +92,15 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
     }
   }
 
+  Future<void> _loadHashSizePreference() async {
+    final hashSize = await RouteHashPreferences.getHashSize();
+    if (!mounted) return;
+    setState(() {
+      _selectedHashSize = hashSize;
+    });
+    _reparse();
+  }
+
   String _tokenFor(Contact contact, int hashSize) {
     final hex = contact.publicKeyHex.toUpperCase();
     final length = hashSize * 2;
@@ -108,123 +127,103 @@ class _ContactRouteDialogState extends State<ContactRouteDialog> {
             .toList()
           ..sort((a, b) => a.displayName.compareTo(b.displayName));
 
-    return AlertDialog(
-      title: Text('Set Route for ${widget.contact.displayName}'),
-      content: SizedBox(
-        width: 560,
-        child: SingleChildScrollView(
-          child: Column(
-            mainAxisSize: MainAxisSize.min,
-            crossAxisAlignment: CrossAxisAlignment.start,
-            children: [
-              Text(
-                'Path hash size',
-                style: Theme.of(context).textTheme.labelLarge,
+    return FractionallySizedBox(
+      heightFactor: 0.85,
+      child: Padding(
+        padding: const EdgeInsets.fromLTRB(16, 0, 16, 16),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Text(
+              'Set Route for ${widget.contact.displayName}',
+              style: Theme.of(context).textTheme.headlineSmall,
+            ),
+            const SizedBox(height: 16),
+            TextField(
+              controller: _controller,
+              textCapitalization: TextCapitalization.characters,
+              decoration: InputDecoration(
+                labelText: 'Route',
+                hintText: _selectedHashSize == 1
+                    ? 'AA,BB,CC'
+                    : _selectedHashSize == 2
+                    ? 'AABB,CCDD'
+                    : 'AABBCC,DDEEFF',
+                helperText:
+                    'Use comma-separated hops. Path byte size comes from global Settings. Colon form like AA:BB is also accepted.',
+                errorText: _errorText,
+                border: const OutlineInputBorder(),
               ),
-              const SizedBox(height: 8),
-              Wrap(
-                spacing: 8,
-                children: [1, 2, 3]
-                    .map(
-                      (hashSize) => ChoiceChip(
-                        label: Text(
-                          '$hashSize byte${hashSize == 1 ? '' : 's'}',
-                        ),
-                        selected: _selectedHashSize == hashSize,
-                        onSelected: (_) {
-                          setState(() {
-                            _selectedHashSize = hashSize;
-                          });
-                        },
+            ),
+            const SizedBox(height: 12),
+            Text(
+              _parsedRoute == null
+                  ? 'Preview: enter a route to validate it.'
+                  : 'Preview: ${_parsedRoute!.summary} • ${_parsedRoute!.byteLength} bytes • descriptor 0x${_parsedRoute!.encodedPathLen.toRadixString(16).padLeft(2, '0').toUpperCase()}',
+              style: Theme.of(context).textTheme.bodySmall,
+            ),
+            if (_parsedRoute != null) ...[
+              const SizedBox(height: 4),
+              SelectableText(
+                _parsedRoute!.canonicalText,
+                style: Theme.of(
+                  context,
+                ).textTheme.bodyMedium?.copyWith(fontFamily: 'monospace'),
+              ),
+            ],
+            const SizedBox(height: 16),
+            Text(
+              'Pick hops from contacts',
+              style: Theme.of(context).textTheme.labelLarge,
+            ),
+            const SizedBox(height: 8),
+            if (routeCandidates.isEmpty)
+              const Text(
+                'No repeater or room contacts are available for route building.',
+              )
+            else
+              Expanded(
+                child: ListView.builder(
+                  itemCount: routeCandidates.length,
+                  itemBuilder: (context, index) {
+                    final candidate = routeCandidates[index];
+                    return ListTile(
+                      dense: true,
+                      contentPadding: EdgeInsets.zero,
+                      title: Text(candidate.displayName),
+                      subtitle: Text(
+                        '1B ${_tokenFor(candidate, 1)} • 2B ${_tokenFor(candidate, 2)} • 3B ${_tokenFor(candidate, 3)}',
+                        style: const TextStyle(fontFamily: 'monospace'),
                       ),
-                    )
-                    .toList(),
-              ),
-              const SizedBox(height: 16),
-              TextField(
-                controller: _controller,
-                textCapitalization: TextCapitalization.characters,
-                decoration: InputDecoration(
-                  labelText: 'Route',
-                  hintText: _selectedHashSize == 1
-                      ? 'AA,BB,CC'
-                      : _selectedHashSize == 2
-                      ? 'AABB,CCDD'
-                      : 'AABBCC,DDEEFF',
-                  helperText:
-                      'Use comma-separated hops. Colon form like AA:BB is also accepted.',
-                  errorText: _errorText,
-                  border: const OutlineInputBorder(),
+                      trailing: TextButton(
+                        onPressed: () => _appendHop(candidate),
+                        child: Text(
+                          'Use ${_tokenFor(candidate, _selectedHashSize)}',
+                        ),
+                      ),
+                    );
+                  },
                 ),
               ),
-              const SizedBox(height: 12),
-              Text(
-                _parsedRoute == null
-                    ? 'Preview: enter a route to validate it.'
-                    : 'Preview: ${_parsedRoute!.summary} • ${_parsedRoute!.byteLength} bytes • descriptor 0x${_parsedRoute!.encodedPathLen.toRadixString(16).padLeft(2, '0').toUpperCase()}',
-                style: Theme.of(context).textTheme.bodySmall,
-              ),
-              if (_parsedRoute != null) ...[
-                const SizedBox(height: 4),
-                SelectableText(
-                  _parsedRoute!.canonicalText,
-                  style: Theme.of(
-                    context,
-                  ).textTheme.bodyMedium?.copyWith(fontFamily: 'monospace'),
+            const SizedBox(height: 16),
+            Row(
+              children: [
+                TextButton(
+                  onPressed: () => Navigator.of(context).pop(),
+                  child: const Text('Cancel'),
+                ),
+                const Spacer(),
+                FilledButton(
+                  onPressed: _parsedRoute == null
+                      ? null
+                      : () => Navigator.of(context).pop(_parsedRoute),
+                  child: const Text('Set Route'),
                 ),
               ],
-              const SizedBox(height: 16),
-              Text(
-                'Pick hops from contacts',
-                style: Theme.of(context).textTheme.labelLarge,
-              ),
-              const SizedBox(height: 8),
-              if (routeCandidates.isEmpty)
-                const Text(
-                  'No repeater or room contacts are available for route building.',
-                )
-              else
-                ConstrainedBox(
-                  constraints: const BoxConstraints(maxHeight: 240),
-                  child: ListView.builder(
-                    shrinkWrap: true,
-                    itemCount: routeCandidates.length,
-                    itemBuilder: (context, index) {
-                      final candidate = routeCandidates[index];
-                      return ListTile(
-                        dense: true,
-                        contentPadding: EdgeInsets.zero,
-                        title: Text(candidate.displayName),
-                        subtitle: Text(
-                          '1B ${_tokenFor(candidate, 1)} • 2B ${_tokenFor(candidate, 2)} • 3B ${_tokenFor(candidate, 3)}',
-                          style: const TextStyle(fontFamily: 'monospace'),
-                        ),
-                        trailing: TextButton(
-                          onPressed: () => _appendHop(candidate),
-                          child: Text(
-                            'Use ${_tokenFor(candidate, _selectedHashSize)}',
-                          ),
-                        ),
-                      );
-                    },
-                  ),
-                ),
-            ],
-          ),
+            ),
+          ],
         ),
       ),
-      actions: [
-        TextButton(
-          onPressed: () => Navigator.of(context).pop(),
-          child: const Text('Cancel'),
-        ),
-        FilledButton(
-          onPressed: _parsedRoute == null
-              ? null
-              : () => Navigator.of(context).pop(_parsedRoute),
-          child: const Text('Set Route'),
-        ),
-      ],
     );
   }
 }