same app bar for all pages, keep sort/group settings

lib/model/collection_lens.dart

@@ -4,6 +4,7 @@ import 'dart:collection';
 import 'package:aves/model/collection_filters.dart';
 import 'package:aves/model/collection_source.dart';
 import 'package:aves/model/image_entry.dart';
+import 'package:aves/model/settings.dart';
 import 'package:collection/collection.dart';
 import 'package:flutter/foundation.dart';
 
@@ -21,8 +22,8 @@ class CollectionLens with ChangeNotifier {
   CollectionLens({
     @required this.source,
     List<CollectionFilter> filters,
-    GroupFactor groupFactor,
+    @required GroupFactor groupFactor,
-    SortFactor sortFactor,
+    @required SortFactor sortFactor,
   })  : this.filters = [if (filters != null) ...filters.where((f) => f != null)].toSet(),
         this.groupFactor = groupFactor ?? GroupFactor.month,
         this.sortFactor = sortFactor ?? SortFactor.date {
@@ -44,6 +45,8 @@ class CollectionLens with ChangeNotifier {
   factory CollectionLens.empty() {
     return CollectionLens(
       source: CollectionSource(),
+      groupFactor: settings.collectionGroupFactor,
+      sortFactor: settings.collectionSortFactor,
     );
   }
 

lib/widgets/album/collection_app_bar.dart

@@ -1,5 +1,6 @@
 import 'package:aves/model/collection_lens.dart';
 import 'package:aves/model/settings.dart';
+import 'package:aves/widgets/album/filter_bar.dart';
 import 'package:aves/widgets/album/search_delegate.dart';
 import 'package:aves/widgets/common/menu_row.dart';
 import 'package:aves/widgets/stats.dart';
@@ -11,8 +12,9 @@ import 'package:provider/provider.dart';
 class AllCollectionAppBar extends SliverAppBar {
   AllCollectionAppBar()
       : super(
-          title: const Text('All'),
+          title: const Text('Aves'),
           actions: _buildActions(),
+          bottom: FilterBar(),
           floating: true,
         );
 

lib/widgets/album/collection_drawer.dart

@@ -3,6 +3,7 @@ import 'dart:ui';
 import 'package:aves/model/collection_filters.dart';
 import 'package:aves/model/collection_lens.dart';
 import 'package:aves/model/collection_source.dart';
+import 'package:aves/model/settings.dart';
 import 'package:aves/utils/android_file_utils.dart';
 import 'package:aves/utils/color_utils.dart';
 import 'package:aves/widgets/album/collection_page.dart';
@@ -281,6 +282,8 @@ class _FilteredCollectionNavTile extends StatelessWidget {
               builder: (context) => CollectionPage(CollectionLens(
                 source: source,
                 filters: [filter],
+                groupFactor: settings.collectionGroupFactor,
+                sortFactor: settings.collectionSortFactor,
               )),
             ),
             (route) => false,

lib/widgets/album/collection_page.dart

@@ -1,13 +1,9 @@
 import 'package:aves/model/collection_lens.dart';
-import 'package:aves/widgets/album/all_collection_app_bar.dart';
+import 'package:aves/widgets/album/collection_app_bar.dart';
 import 'package:aves/widgets/album/collection_drawer.dart';
-import 'package:aves/widgets/album/filter_bar.dart';
 import 'package:aves/widgets/album/thumbnail_collection.dart';
 import 'package:aves/widgets/common/data_providers/media_query_data_provider.dart';
-import 'package:aves/widgets/common/menu_row.dart';
-import 'package:aves/widgets/stats.dart';
 import 'package:flutter/material.dart';
-import 'package:outline_material_icons/outline_material_icons.dart';
 import 'package:provider/provider.dart';
 
 class CollectionPage extends StatelessWidget {
@@ -22,14 +18,7 @@ class CollectionPage extends StatelessWidget {
         value: collection,
         child: Scaffold(
           body: ThumbnailCollection(
-            appBar: collection.filters.isEmpty
+            appBar: AllCollectionAppBar(),
-                ? AllCollectionAppBar()
-                : SliverAppBar(
-                    title: const Text('Aves'),
-                    actions: _buildActions(),
-                    bottom: FilterBar(),
-                    floating: true,
-                  ),
           ),
           drawer: CollectionDrawer(
             source: collection.source,
@@ -39,43 +28,4 @@ class CollectionPage extends StatelessWidget {
       ),
     );
   }
-
-  static List<Widget> _buildActions() {
-    return [
-      Builder(
-        builder: (context) => Consumer<CollectionLens>(
-          builder: (context, collection, child) => PopupMenuButton<CollectionAction>(
-            itemBuilder: (context) => [
-              PopupMenuItem(
-                value: CollectionAction.stats,
-                child: MenuRow(text: 'Stats', icon: OMIcons.pieChart),
-              ),
-            ],
-            onSelected: (action) => _onActionSelected(context, collection, action),
-          ),
-        ),
-      ),
-    ];
-  }
-
-  static void _onActionSelected(BuildContext context, CollectionLens collection, CollectionAction action) {
-    switch (action) {
-      case CollectionAction.stats:
-        _goToStats(context, collection);
-        break;
-      default:
-        break;
-    }
-  }
-
-  static Future _goToStats(BuildContext context, CollectionLens collection) {
-    return Navigator.push(
-      context,
-      MaterialPageRoute(
-        builder: (context) => StatsPage(
-          collection: collection,
-        ),
-      ),
-    );
-  }
 }

lib/widgets/fullscreen/overlay/top.dart

@@ -61,7 +61,7 @@ class FullscreenTopOverlay extends StatelessWidget {
               scale: scale,
               child: PopupMenuButton<FullscreenAction>(
                 itemBuilder: (context) => [
-                  PopupMenuItem(
+                  const PopupMenuItem(
                     value: FullscreenAction.info,
                     child: MenuRow(text: 'Info', icon: OMIcons.info),
                   ),

lib/widgets/stats.dart

@@ -49,7 +49,7 @@ class StatsPage extends StatelessWidget {
                       backgroundColor: Colors.white24,
                       progressColor: Theme.of(context).accentColor,
                       animation: true,
-                      leading: Icon(OMIcons.place),
+                      leading: const Icon(OMIcons.place),
                       // right padding to match leading, so that inside label is aligned with outside label below
                       padding: const EdgeInsets.symmetric(horizontal: 16) + const EdgeInsets.only(right: 24),
                       center: Text(NumberFormat.percentPattern().format(withGpsPercent)),