update setting tab or hp

lib/Screens/pos_sale/pos_sale.dart

@@ -6,6 +6,7 @@ import 'package:flutter_svg/flutter_svg.dart';
 import 'package:flutter_typeahead/flutter_typeahead.dart';
 import 'package:mobile_pos/constant.dart';
 import 'package:mobile_pos/currency.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 
 import '../../Const/api_config.dart';
 import '../../GlobalComponents/bar_code_scaner_widget.dart';
@@ -41,6 +42,7 @@ class PosSaleScreen extends ConsumerStatefulWidget {
 
 class _PosSaleScreenState extends ConsumerState<PosSaleScreen> {
   final productController = TextEditingController();
+  bool isTab = true;
   List<Product> filteredProducts = [];
   Party? selectedCustomer;
   CategoryModel? selectedCategory;
@@ -63,6 +65,7 @@ class _PosSaleScreenState extends ConsumerState<PosSaleScreen> {
   @override
   void initState() {
     super.initState();
+    _loadState();
     ref.refresh(cartNotifier);
     filteredProducts = ref.read(productProvider).value ?? [];
     productController.addListener(_applyFilters);
@@ -147,6 +150,13 @@ class _PosSaleScreenState extends ConsumerState<PosSaleScreen> {
     });
   }
 
+  Future<void> _loadState() async {
+    final prefs = await SharedPreferences.getInstance();
+    setState(() {
+      isTab = prefs.getBool('isTab') ?? true;
+    });
+  }
+
   final TextEditingController _searchController = TextEditingController();
   bool _hasInitializedFilters = false;
 
@@ -163,6 +173,111 @@ class _PosSaleScreenState extends ConsumerState<PosSaleScreen> {
       appBar: AppBar(
         title: Text(lang.S.of(context).posSale),
         centerTitle: true,
+        actions: [
+          Row(
+            children: [
+              Text(
+                'Tab',
+                style: TextStyle(
+                  color: isTab ? kMainColor : kSubPeraColor,
+                  fontWeight: FontWeight.bold,
+                  fontSize: 16,
+                ),
+              ),
+              Switch(
+                value: !isTab,
+                activeColor: kMainColor,
+                onChanged: (value) async {
+                  setState(() {
+                    isTab = !value;
+                  });
+                  final prefs = await SharedPreferences.getInstance();
+                  await prefs.setBool('isTab', isTab);
+                },
+              ),
+              Text(
+                'HP',
+                style: TextStyle(
+                  color: !isTab ? kMainColor : kSubPeraColor,
+                  fontWeight: FontWeight.bold,
+                  fontSize: 16,
+                ),
+              ),
+              const SizedBox(width: 16),
+            ],
+          )
+        ],
+      ),
+      bottomNavigationBar: isTab
+          ? null
+          : Container(
+              padding: const EdgeInsets.all(16),
+              decoration: BoxDecoration(
+                color: Colors.white,
+                boxShadow: [
+                  BoxShadow(
+                    color: Colors.black.withOpacity(0.05),
+                    spreadRadius: 1,
+                    blurRadius: 5,
+                    offset: const Offset(0, -3),
+                  ),
+                ],
+              ),
+              child: ElevatedButton(
+                style: ElevatedButton.styleFrom(
+                  backgroundColor: kMainColor,
+                  padding: const EdgeInsets.symmetric(vertical: 12),
+                ),
+                onPressed: providerData.cartItemList.isEmpty
+                    ? null
+                    : () async {
+                        if (!permissionService.hasPermission(Permit.saleReturnsRead.value)) {
+                          ScaffoldMessenger.of(context).showSnackBar(
+                            SnackBar(
+                              backgroundColor: kMainColor,
+                              content: Text(lang.S.of(context).inventoryPermission),
+                            ),
+                          );
+                          return;
+                        }
+                        bool branchResult = await checkActionWhenNoBranch(context: context, ref: ref);
+                        if (!branchResult) {
+                          return;
+                        }
+
+                        // Navigate to the next screen if permission is granted
+                        bool result = await Navigator.push(
+                          context,
+                          MaterialPageRoute(
+                            builder: (context) => AddSalesScreen(
+                              customerModel: selectedCustomer,
+                              isFromPos: true,
+                            ),
+                          ),
+                        );
+
+                        // Handle result after returning from AddSalesScreen
+                        if (result) {
+                          _searchController.clear();
+                          selectedCustomer = null;
+                          setState(() {});
+                        }
+                      },
+                child: Row(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: [
+                    const Text(
+                      'Continue',
+                      style: TextStyle(color: Colors.white, fontSize: 16),
+                    ),
+                    const SizedBox(width: 8),
+                    Text(
+                      '(${providerData.cartItemList.length} Items): $currency${providerData.getTotalAmount()}',
+                      style: const TextStyle(color: Colors.white, fontSize: 14),
+                    ),
+                  ],
+                ),
+              ),
             ),
       body: Row(
         crossAxisAlignment: CrossAxisAlignment.start,
@@ -866,8 +981,12 @@ class _PosSaleScreenState extends ConsumerState<PosSaleScreen> {
         ),
             ),
           ),
+          if (isTab)
             Expanded(
               flex: 1,
+              child: Column(
+                children: [
+                  Expanded(
                     child: Container(
               margin: const EdgeInsets.all(16),
               decoration: BoxDecoration(
@@ -1149,6 +1268,9 @@ class _PosSaleScreenState extends ConsumerState<PosSaleScreen> {
                 ),
               ],
             ),
+          ),
+        ],
+      ),
     );
   }
 }