small ux improvements

lib/pages/collection_page.dart

@@ -72,7 +72,7 @@ class _CollectionPageState extends State<CollectionPage> {
       selected: selected,
       onTap: () {
         if (selected) {
-          onCancelSelectionPressed();
+          deselectBookmark();
           setState(() {});
         } else if (selectedBookmarkId != -1 && !selected) {
           selectedBookmarkId = bookmark.id;
@@ -131,7 +131,7 @@ class _CollectionPageState extends State<CollectionPage> {
         bottomNavigationBar: selectedBookmarkId > 0
             ? ListItemActionsWidget(
                 onDeletePressed: onDeleteBookmarkPressed,
-                onCancelPressed: onCancelSelectionPressed,
+                onCancelPressed: deselectBookmark,
                 onEditPressed: () => editBookmark(
                   bookmarks.firstWhere(
                     (element) => element.id == selectedBookmarkId,
@@ -158,8 +158,6 @@ class _CollectionPageState extends State<CollectionPage> {
     );
   }
 
-  void onCancelSelectionPressed() => deselectBookmark();
-
   void onDeleteBookmarkPressed() {
     Storage.deleteBookmarkById(
       selectedBookmarkId,

lib/pages/collections_list_page.dart

@@ -6,6 +6,8 @@ import '../model/collection.dart';
 import '../service/bookmarks_provider.dart';
 import '../service/shared_link_provider.dart';
 import '../service/storage.dart';
+import '../widgets/collection_page_widgets/list_item_actions_widget.dart'
+    show ListItemActionsWidget;
 import '../widgets/create_bookmark_collection_dialog.dart';
 import 'collection_page.dart';
 import 'search_page.dart' show SearchPage;
@@ -23,6 +25,7 @@ class CollectionsListPage extends StatefulWidget {
 class _CollectionsListPageState extends State<CollectionsListPage> {
   bool addingNewBookmark = false;
   var bookmarkCountMap = <int, int>{};
+  int selectedCollectionId = -1;
 
   Widget bottomSheetBuilder(BuildContext context) {
     final titleTextFieldController = TextEditingController(
@@ -52,11 +55,27 @@ class _CollectionsListPageState extends State<CollectionsListPage> {
     BuildContext context,
     Collection collection,
   ) {
+    final selected = selectedCollectionId == collection.id;
     return ListTile(
       title: Text(collection.name),
-      onTap: () => navigateToCollection(collection.id),
-      onLongPress: () => onEditCollection(collection),
+      onTap: () {
+        if (selected) {
+          deselectCollection();
+          setState(() {});
+        } else if (selectedCollectionId != -1 && !selected) {
+          selectedCollectionId = collection.id;
+          setState(() {});
+        } else {
+          navigateToCollection(collection.id);
+        }
+      },
+      onLongPress: () => addingNewBookmark
+          ? null
+          : setState(() {
+              selectedCollectionId = collection.id;
+            }),
       leading: const Icon(Icons.list_rounded),
+      selected: selected,
       trailing: Text(
         bookmarkCountMap[collection.id]?.toString() ?? '0',
         style: Theme.of(context).textTheme.bodyMedium,
@@ -74,13 +93,8 @@ class _CollectionsListPageState extends State<CollectionsListPage> {
     builder: (context) => CreateBookmarkCollectionDialog(
       selectedCollection: selectedCollection,
       onSavePressed: onCollectionSaved,
-      onDeletePressed: () {
-        Storage.deleteCollection(
-          selectedCollection,
-        ).whenComplete(() => setState(() {}));
-      },
     ),
-  );
+  ).whenComplete(deselectCollection);
 
   @override
   Widget build(BuildContext context) {
@@ -89,7 +103,12 @@ class _CollectionsListPageState extends State<CollectionsListPage> {
     addingNewBookmark =
         Provider.of<SharedLinkProvider>(context).currentMapsLinkMetadata !=
         null;
-    return Scaffold(
+    return PopScope(
+      canPop: selectedCollectionId == -1,
+      onPopInvokedWithResult: (didPop, result) {
+        if (didPop == false) deselectCollection();
+      },
+      child: Scaffold(
         appBar: AppBar(
           title: addingNewBookmark
               ? Text(AppLocalizations.of(context)!.chooseCollection)
@@ -139,6 +158,16 @@ class _CollectionsListPageState extends State<CollectionsListPage> {
                   ),
                 ),
               )
+            : selectedCollectionId > 0
+            ? ListItemActionsWidget(
+                onDeletePressed: onDeleteCollectionPressed,
+                onCancelPressed: deselectCollection,
+                onEditPressed: () => onEditCollection(
+                  collections.firstWhere(
+                    (element) => element.id == selectedCollectionId,
+                  ),
+                ),
+              )
             : null,
         floatingActionButton: FloatingActionButton(
           onPressed: onAddButtonPressed,
@@ -161,6 +190,18 @@ class _CollectionsListPageState extends State<CollectionsListPage> {
             : Center(
                 child: Text(AppLocalizations.of(context)!.tipCreateCollections),
               ),
+      ),
     );
   }
+
+  void onDeleteCollectionPressed() {
+    Storage.deleteCollectionById(
+      selectedCollectionId,
+    ).whenComplete(() => deselectCollection());
+  }
+
+  void deselectCollection() {
+    selectedCollectionId = -1;
+    setState(() {});
+  }
 }

lib/service/storage.dart

@@ -163,6 +163,13 @@ class Storage {
     await saveCollections(collections);
   }
 
+  static Future<void> deleteCollectionById(int collectionId) async {
+    final collections = loadCollections();
+    await deleteCollection(
+      collections.firstWhere((collection) => collection.id == collectionId),
+    );
+  }
+
   static Map<String, int> getStats() {
     final statsJson = _prefs.getString(_statsKey) ?? '{}';
     final stats = jsonDecode(statsJson) as Map<String, dynamic>;