add submit

lib/features/products/ui/product_dialogs.dart

@@ -18,6 +18,7 @@ void showBrandDialog(BuildContext context, {BrandModel? brand}) {
           labelText: "Nome Brand",
           hintText: "es. Apple, Samsung...",
         ),
+        onSubmitted: (_) => _submitBrand(controller, context, brand),
       ),
       actions: [
         TextButton(
@@ -25,15 +26,7 @@ void showBrandDialog(BuildContext context, {BrandModel? brand}) {
           child: const Text("Annulla"),
         ),
         ElevatedButton(
-          onPressed: () {
-            if (controller.text.isNotEmpty) {
-              context.read<ProductCubit>().saveBrand(
-                controller.text,
-                id: brand?.id,
-              );
-              Navigator.pop(context);
-            }
-          },
+          onPressed: () => _submitBrand(controller, context, brand),
           child: const Text("Salva"),
         ),
       ],
@@ -41,6 +34,17 @@ void showBrandDialog(BuildContext context, {BrandModel? brand}) {
   );
 }
 
+void _submitBrand(
+  TextEditingController controller,
+  BuildContext context,
+  BrandModel? brand,
+) {
+  if (controller.text.trim().isNotEmpty) {
+    context.read<ProductCubit>().saveBrand(controller.text, id: brand?.id);
+    Navigator.pop(context);
+  }
+}
+
 void showModelDialog(BuildContext context, {ModelModel? model}) {
   final controller = TextEditingController(text: model?.name);
 
@@ -55,6 +59,7 @@ void showModelDialog(BuildContext context, {ModelModel? model}) {
           labelText: "Nome Modello",
           hintText: "es. iPhone 15, Galaxy S24...",
         ),
+        onSubmitted: (_) => _submitModel(controller, context, model),
       ),
       actions: [
         TextButton(
@@ -62,15 +67,7 @@ void showModelDialog(BuildContext context, {ModelModel? model}) {
           child: const Text("Annulla"),
         ),
         ElevatedButton(
-          onPressed: () {
-            if (controller.text.isNotEmpty) {
-              context.read<ProductCubit>().saveModel(
-                controller.text,
-                id: model?.id,
-              );
-              Navigator.pop(context);
-            }
-          },
+          onPressed: () => _submitModel(controller, context, model),
           child: const Text("Salva"),
         ),
       ],
@@ -78,6 +75,17 @@ void showModelDialog(BuildContext context, {ModelModel? model}) {
   );
 }
 
+void _submitModel(
+  TextEditingController controller,
+  BuildContext context,
+  ModelModel? model,
+) {
+  if (controller.text.isNotEmpty) {
+    context.read<ProductCubit>().saveModel(controller.text, id: model?.id);
+    Navigator.pop(context);
+  }
+}
+
 void confirmToggle(BuildContext context, String title, VoidCallback onConfirm) {
   showDialog(
     context: context,