[Presentation] Added a dialog to select which items will be deleted i…

…n the inventory_page.dart

lib/presentation/inventory/inventory_page.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:genshindb/generated/l10n.dart';
 import 'package:genshindb/presentation/inventory/widgets/characters_inventory_tab_page.dart';
+import 'package:genshindb/presentation/inventory/widgets/clear_all_dialog.dart';
 import 'package:genshindb/presentation/inventory/widgets/materials_inventory_tab_page.dart';
 import 'package:genshindb/presentation/inventory/widgets/weapons_inventory_tab_page.dart';
 import 'package:genshindb/presentation/shared/genshin_db_icons.dart';
@@ -21,6 +22,12 @@ class InventoryPage extends StatelessWidget {
         appBar: AppBar(
           title: Text(s.myInventory),
           bottom: TabBar(tabs: tabs),
+          actions: [
+            IconButton(
+              icon: const Icon(Icons.clear_all),
+              onPressed: () => _showClearInventoryDialog(context),
+            )
+          ],
         ),
         body: SafeArea(
           child: TabBarView(
@@ -34,4 +41,8 @@ class InventoryPage extends StatelessWidget {
       ),
     );
   }
+
+  Future<void> _showClearInventoryDialog(BuildContext context) async {
+    await showDialog(context: context, builder: (_) => const ClearAllDialog());
+  }
 }

lib/presentation/inventory/widgets/clear_all_dialog.dart

@@ -0,0 +1,75 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:genshindb/application/bloc.dart';
+import 'package:genshindb/generated/l10n.dart';
+import 'package:genshindb/presentation/shared/extensions/media_query_extensions.dart';
+
+class ClearAllDialog extends StatefulWidget {
+  const ClearAllDialog({Key? key}) : super(key: key);
+
+  @override
+  _ClearAllDialogState createState() => _ClearAllDialogState();
+}
+
+class _ClearAllDialogState extends State<ClearAllDialog> {
+  String? _itemToClear;
+
+  @override
+  Widget build(BuildContext context) {
+    final s = S.of(context);
+    final theme = Theme.of(context);
+    final items = [
+      s.characters,
+      s.weapons,
+      s.materials,
+    ];
+    return AlertDialog(
+      title: Text(s.clearAll),
+      content: SizedBox(
+        width: MediaQuery.of(context).getWidthForDialogs(),
+        child: ListView.builder(
+          shrinkWrap: true,
+          itemCount: items.length,
+          itemBuilder: (ctx, index) {
+            final item = items.elementAt(index);
+            return ListTile(
+              key: Key('$index'),
+              title: Text(item, overflow: TextOverflow.ellipsis),
+              selectedTileColor: theme.accentColor.withOpacity(0.2),
+              selected: _itemToClear == item,
+              onTap: () {
+                setState(() {
+                  _itemToClear = item;
+                });
+              },
+            );
+          },
+        ),
+      ),
+      actions: [
+        OutlinedButton(
+          onPressed: () => Navigator.pop(context),
+          child: Text(s.cancel, style: TextStyle(color: theme.primaryColor)),
+        ),
+        ElevatedButton(
+          onPressed: () => _clearAll(context),
+          child: Text(s.ok),
+        )
+      ],
+    );
+  }
+
+  void _clearAll(BuildContext context) {
+    final s = S.of(context);
+
+    if (_itemToClear == s.characters) {
+      context.read<InventoryBloc>().add(const InventoryEvent.clearAllCharacters());
+    } else if (_itemToClear == s.weapons) {
+      context.read<InventoryBloc>().add(const InventoryEvent.clearAllWeapons());
+    } else if (_itemToClear == s.materials) {
+      context.read<InventoryBloc>().add(const InventoryEvent.clearAllMaterials());
+    }
+
+    Navigator.pop(context);
+  }
+}