change getDelegate to rootDelegate, and make informationParser and routeDelegate…

… of GetX default on GetMaterialApp

@@ -28,33 +28,37 @@ class MyApp extends StatelessWidget {
   }
 }
 
-// Navigator 2 example, WIP
-// TODO: add all methods from NavigatorExtension to GetNav
+/// Nav 2 snippet
+// void main() {
+//   runApp(MyApp());
+// }
 
 // class MyApp extends StatelessWidget {
 //   MyApp({Key? key}) : super(key: key);
 
-//   final getNav = Get.put(
-//     GetNav(pages: [
-//       GetPage(name: '/first', page: () => First()),
-//       GetPage(name: '/second', page: () => Second()),
-//       GetPage(name: '/third', page: () => Third()),
-//     ]),
-//   );
-
 //   @override
 //   Widget build(BuildContext context) {
 //     return GetMaterialApp.router(
+//       getPages: [
+//         GetPage(
+//             participatesInRootNavigator: true,
+//             name: '/first',
+//             page: () => First()),
+//         GetPage(
+//           name: '/second',
+//           page: () => Second(),
+//         ),
+//         GetPage(
+//           name: '/third',
+//           page: () => Third(),
+//         ),
+//       ],
 //       debugShowCheckedModeBanner: false,
-//       routeInformationParser: getNav.routeInformationParser,
-//       routerDelegate: getNav.routerDelegate,
 //     );
 //   }
 // }
 
 // class First extends StatelessWidget {
-//   final GetNav getNav = Get.find();
-
 //   @override
 //   Widget build(BuildContext context) {
 //     return Scaffold(
@@ -73,9 +77,7 @@ class MyApp extends StatelessWidget {
 //           height: 300,
 //           width: 300,
 //           child: ElevatedButton(
-//             onPressed: () {
-//               getNav.toNamed('/second?id=584305');
-//             },
+//             onPressed: () {},
 //             child: Text('next screen'),
 //           ),
 //         ),
@@ -85,7 +87,6 @@ class MyApp extends StatelessWidget {
 // }
 
 // class Second extends StatelessWidget {
-//   final GetNav getNav = Get.find();
 //   @override
 //   Widget build(BuildContext context) {
 //     return Scaffold(
@@ -97,9 +98,7 @@ class MyApp extends StatelessWidget {
 //           height: 300,
 //           width: 300,
 //           child: ElevatedButton(
-//             onPressed: () {
-//               getNav.toNamed('/third');
-//             },
+//             onPressed: () {},
 //             child: Text('next screen'),
 //           ),
 //         ),
@@ -109,7 +108,6 @@ class MyApp extends StatelessWidget {
 // }
 
 // class Third extends StatelessWidget {
-//   final GetNav getNav = Get.find();
 //   @override
 //   Widget build(BuildContext context) {
 //     return Scaffold(
@@ -122,9 +120,7 @@ class MyApp extends StatelessWidget {
 //           height: 300,
 //           width: 300,
 //           child: ElevatedButton(
-//             onPressed: () {
-//               getNav.offUntil('/first');
-//             },
+//             onPressed: () {},
 //             child: Text('go to first screen'),
 //           ),
 //         ),

-import 'package:example_nav2/app/routes/app_pages.dart';
-import 'package:example_nav2/services/auth_service.dart';
 import 'package:flutter/material.dart';
-
 import 'package:get/get.dart';
 
+import '../../../../services/auth_service.dart';
+import '../../../routes/app_pages.dart';
 import '../controllers/login_controller.dart';
 
 class LoginView extends GetView<LoginController> {
@@ -32,11 +31,9 @@ class LoginView extends GetView<LoginController> {
               ),
               onPressed: () {
                 AuthService.to.login();
-                final thenTo = Get.getDelegate()!
-                    .currentConfiguration!
-                    .currentPage!
-                    .parameter?['then'];
-                Get.getDelegate()!.toNamed(thenTo ?? Routes.HOME);
+                final thenTo = Get.rootDelegate.currentConfiguration!
+                    .currentPage!.parameter?['then'];
+                Get.rootDelegate.toNamed(thenTo ?? Routes.HOME);
               },
             ),
           ],

-import 'package:example_nav2/models/demo_product.dart';
 import 'package:get/get.dart';
 
+import '../../../../models/demo_product.dart';
+
 class ProductsController extends GetxController {
   final products = <DemoProduct>[].obs;
 

@@ -24,7 +24,7 @@ class ProductsView extends GetView<ProductsController> {
               final item = controller.products[index];
               return ListTile(
                 onTap: () {
-                  Get.getDelegate()?.toNamed(Routes.PRODUCT_DETAILS(item.id));
+                  Get.rootDelegate.toNamed(Routes.PRODUCT_DETAILS(item.id));
                 },
                 title: Text(item.name),
                 subtitle: Text(item.id),

@@ -21,7 +21,7 @@ class DrawerWidget extends StatelessWidget {
           ListTile(
             title: Text('Home'),
             onTap: () {
-              Get.getDelegate()?.toNamed(Routes.HOME);
+              Get.rootDelegate.toNamed(Routes.HOME);
               //to close the drawer
 
               Navigator.of(context).pop();
@@ -30,7 +30,7 @@ class DrawerWidget extends StatelessWidget {
           ListTile(
             title: Text('Settings'),
             onTap: () {
-              Get.getDelegate()?.toNamed(Routes.SETTINGS);
+              Get.rootDelegate.toNamed(Routes.SETTINGS);
               //to close the drawer
 
               Navigator.of(context).pop();
@@ -46,7 +46,7 @@ class DrawerWidget extends StatelessWidget {
               ),
               onTap: () {
                 AuthService.to.logout();
-                Get.getDelegate()!.toNamed(Routes.LOGIN);
+                Get.rootDelegate.toNamed(Routes.LOGIN);
                 //to close the drawer
 
                 Navigator.of(context).pop();
@@ -61,7 +61,7 @@ class DrawerWidget extends StatelessWidget {
                 ),
               ),
               onTap: () {
-                Get.getDelegate()!.toNamed(Routes.LOGIN);
+                Get.rootDelegate.toNamed(Routes.LOGIN);
                 //to close the drawer
 
                 Navigator.of(context).pop();

@@ -948,23 +948,6 @@ you can only use widgets and widget functions here''';
         predicate ?? (route) => false);
   }
 
-  void registerRoutes(List<GetPage> getPages) {
-    //TODO: only replace if null???
-    routeTree = ParseRouteTree(routes: <GetPage>[]);
-    routeTree.addRoutes(getPages);
-  }
-
-  void addPages(List<GetPage>? getPages) {
-    if (getPages != null) {
-      registerRoutes(getPages);
-    }
-  }
-
-  void addPage(GetPage getPage) {
-    //  routeTree = ParseRouteTree();
-    routeTree.addRoute(getPage);
-  }
-
   /// change default config of Get
   void config(
       {bool? enableLog,
@@ -1061,19 +1044,6 @@ you can only use widgets and widget functions here''';
     return _key;
   }
 
-  /// Casts the stored router delegate to a desired type
-  TDelegate? delegate<TDelegate extends RouterDelegate<TPage>, TPage>() =>
-      _routerDelegate as TDelegate?;
-
-  static RouterDelegate? _routerDelegate;
-
-  // ignore: use_setters_to_change_properties
-  void setDefaultDelegate(RouterDelegate? delegate) {
-    _routerDelegate = delegate;
-  }
-
-  GetDelegate? getDelegate() => delegate<GetDelegate, GetNavConfig>();
-
   /// give current arguments
   dynamic get arguments => routing.args;
 
@@ -1213,9 +1183,6 @@ you can only use widgets and widget functions here''';
   set parameters(Map<String, String?> newParameters) =>
       getxController.parameters = newParameters;
 
-  ParseRouteTree get routeTree => getxController.routeTree;
-  set routeTree(ParseRouteTree tree) => getxController.routeTree = tree;
-
   CustomTransition? get customTransition => getxController.customTransition;
   set customTransition(CustomTransition? newTransition) =>
       getxController.customTransition = newTransition;
@@ -1226,6 +1193,59 @@ you can only use widgets and widget functions here''';
   static GetMaterialController getxController = GetMaterialController();
 }
 
+extension NavTwoExt on GetInterface {
+  void addPages(List<GetPage> getPages) {
+    routeTree.addRoutes(getPages);
+  }
+
+  static late final _routeTree = ParseRouteTree(routes: []);
+
+  ParseRouteTree get routeTree => _routeTree;
+  void addPage(GetPage getPage) {
+    routeTree.addRoute(getPage);
+  }
+
+  /// Casts the stored router delegate to a desired type
+  TDelegate? delegate<TDelegate extends RouterDelegate<TPage>, TPage>() =>
+      _routerDelegate as TDelegate?;
+
+  static GetDelegate? _routerDelegate;
+
+  // // ignore: use_setters_to_change_properties
+  // void setDefaultDelegate(RouterDelegate? delegate) {
+  //   _routerDelegate = delegate;
+  // }
+
+  // GetDelegate? getDelegate() => delegate<GetDelegate, GetNavConfig>();
+
+  static GetInformationParser? _informationParser;
+
+  GetInformationParser createInformationParser({String initialRoute = '/'}) {
+    return _informationParser ??=
+        GetInformationParser(initialRoute: initialRoute);
+  }
+
+  // static GetDelegate? _delegate;
+
+  GetDelegate get rootDelegate => createDelegate();
+
+  GetDelegate createDelegate(
+      {GetPage<dynamic>? notFoundRoute,
+      List<NavigatorObserver>? navigatorObservers,
+      TransitionDelegate<dynamic>? transitionDelegate,
+      PopMode backButtonPopMode = PopMode.History,
+      PreventDuplicateHandlingMode preventDuplicateHandlingMode =
+          PreventDuplicateHandlingMode.ReorderRoutes}) {
+    return _routerDelegate ??= GetDelegate(
+      notFoundRoute: notFoundRoute,
+      navigatorObservers: navigatorObservers,
+      transitionDelegate: transitionDelegate,
+      backButtonPopMode: backButtonPopMode,
+      preventDuplicateHandlingMode: preventDuplicateHandlingMode,
+    );
+  }
+}
+
 /// It replaces the Flutter Navigator, but needs no context.
 /// You can to use navigator.push(YourRoute()) rather
 /// Navigator.push(context, YourRoute());

@@ -46,7 +46,7 @@ enum PreventDuplicateHandlingMode {
   ReorderRoutes
 }
 
-class GetDelegate extends RouterDelegate<GetNavConfig>
+class GetDelegate<T> extends RouterDelegate<GetNavConfig>
     with ListenableMixin, ListNotifierMixin {
   final List<GetNavConfig> history = <GetNavConfig>[];
   final PopMode backButtonPopMode;

@@ -116,7 +116,7 @@ class GetRouterOutlet extends RouterOutlet<GetDelegate, GetNavConfig> {
             return (emptyWidget?.call(rDelegate) ?? SizedBox.shrink());
           },
           pickPages: pickPages,
-          delegate: Get.getDelegate(),
+          delegate: Get.rootDelegate,
         );
 }
 

@@ -118,12 +118,12 @@ class GetCupertinoApp extends StatelessWidget {
   final BackButtonDispatcher? backButtonDispatcher;
   final CupertinoThemeData? theme;
 
-  const GetCupertinoApp.router({
+  GetCupertinoApp.router({
     Key? key,
     this.theme,
     this.routeInformationProvider,
-    required RouteInformationParser<Object> this.routeInformationParser,
-    required RouterDelegate<Object> this.routerDelegate,
+    RouteInformationParser<Object>? routeInformationParser,
+    RouterDelegate<Object>? routerDelegate,
     this.backButtonDispatcher,
     this.builder,
     this.title = '',
@@ -163,7 +163,12 @@ class GetCupertinoApp extends StatelessWidget {
     this.defaultGlobalState,
     this.getPages,
     this.unknownRoute,
-  })  : navigatorObservers = null,
+  })  : routerDelegate = routerDelegate ?? Get.createDelegate(),
+        routeInformationParser = routeInformationParser ??
+            Get.createInformationParser(
+              initialRoute: getPages?.first.name ?? '/',
+            ),
+        navigatorObservers = null,
         navigatorKey = null,
         onGenerateRoute = null,
         home = null,
@@ -209,7 +214,10 @@ class GetCupertinoApp extends StatelessWidget {
         Get.customTransition = customTransition;
 
         initialBinding?.dependencies();
-        Get.addPages(getPages);
+        if (getPages != null) {
+          Get.addPages(getPages!);
+        }
+
         Get.smartManagement = smartManagement;
         onInit?.call();
 

@@ -125,11 +125,11 @@ class GetMaterialApp extends StatelessWidget {
   final RouterDelegate<Object>? routerDelegate;
   final BackButtonDispatcher? backButtonDispatcher;
 
-  const GetMaterialApp.router({
+  GetMaterialApp.router({
     Key? key,
     this.routeInformationProvider,
-    required RouteInformationParser<Object> this.routeInformationParser,
-    required RouterDelegate<Object> this.routerDelegate,
+    RouteInformationParser<Object>? routeInformationParser,
+    RouterDelegate<Object>? routerDelegate,
     this.backButtonDispatcher,
     this.builder,
     this.title = '',
@@ -173,7 +173,12 @@ class GetMaterialApp extends StatelessWidget {
     this.defaultGlobalState,
     this.getPages,
     this.unknownRoute,
-  })  : navigatorObservers = null,
+  })  : routerDelegate = routerDelegate ?? Get.createDelegate(),
+        routeInformationParser = routeInformationParser ??
+            Get.createInformationParser(
+              initialRoute: getPages?.first.name ?? '/',
+            ),
+        navigatorObservers = null,
         navigatorKey = null,
         onGenerateRoute = null,
         home = null,
@@ -219,8 +224,11 @@ class GetMaterialApp extends StatelessWidget {
         Get.customTransition = customTransition;
 
         initialBinding?.dependencies();
-        Get.addPages(getPages);
-        Get.setDefaultDelegate(routerDelegate);
+        if (getPages != null) {
+          Get.addPages(getPages!);
+        }
+
+        //Get.setDefaultDelegate(routerDelegate);
         Get.smartManagement = smartManagement;
         onInit?.call();
 

@@ -4,7 +4,6 @@ import '../../../get_utils/get_utils.dart';
 import '../routes/custom_transition.dart';
 import '../routes/observers/route_observer.dart';
 import '../routes/transitions_type.dart';
-import 'parse_route.dart';
 
 class GetMaterialController extends GetxController {
   bool testMode = false;
@@ -28,8 +27,6 @@ class GetMaterialController extends GetxController {
 
   Map<String, String?> parameters = {};
 
-  late ParseRouteTree routeTree;
-
   CustomTransition? customTransition;
 
   GlobalKey<NavigatorState> key = GlobalKey<NavigatorState>();