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lib/13/01___/route/parser.dart

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+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:iroute/common/pages/stl_color_page.dart';
+import 'package:path_to_regexp/path_to_regexp.dart';
+import '../pages/app.dart';
+import '../pages/home_page.dart';
+import '../pages/color_add_page.dart';
+import 'parsed_route.dart';
+import 'route_state.dart';
+
+class AppRouteParser extends RouteInformationParser<ParsedRoute> {
+  @override
+  Future<ParsedRoute> parseRouteInformation(
+      RouteInformation routeInformation) async {
+    print("=======parseRouteInformation:${routeInformation.uri.path}===================");
+
+    final uri = routeInformation.uri;
+    final path = uri.toString();
+    final queryParams = uri.queryParameters;
+
+    return ParsedRoute(path, queryParams);
+  }
+
+  @override
+  RouteInformation? restoreRouteInformation(ParsedRoute configuration) {
+    print("=======restoreRouteInformation:${configuration}===================");
+    return RouteInformation(uri: Uri.parse(configuration.path));
+  }
+}
+
+class AppRouterDelegate extends RouterDelegate<ParsedRoute>
+    with ChangeNotifier, PopNavigatorRouterDelegateMixin {
+
+  AppRouterDelegate({String initial = '/'}) {
+    _routes.add(ParsedRoute(initial, {}));
+  }
+
+   final List<ParsedRoute> _routes = [];
+
+  @override
+  final GlobalKey<NavigatorState> navigatorKey = GlobalKey<NavigatorState>();
+
+  @override
+  ParsedRoute get currentConfiguration {
+    return _routes.last;
+  }
+
+  Future<void> go(String route) async {
+    ParsedRoute _route = await parser.parseRouteInformation(RouteInformation(uri: Uri.parse(route)));
+    if(_route!=_routes.last){
+      _routes.add(_route);
+    }
+    notifyListeners();
+  }
+
+  final _addColorKey = const ValueKey('addColor');
+  final _colorDetailKey = const ValueKey('ColorDetail');
+
+  @override
+  Widget build(BuildContext context) {
+    List<Page> pages = [];
+
+    for (ParsedRoute route in _routes) {
+      Page? page = _buildPageByPath(route);
+      if(page!=null){
+        pages.add(page);
+      }
+    }
+
+    return Navigator(
+      key: navigatorKey,
+      pages: pages,
+      onPopPage: _onPagePop,
+    );
+  }
+
+  Page? _buildPageByPath(ParsedRoute route) {
+    if(route.path == '/'){
+      return MaterialPage(child: HomePage());
+    }
+
+    if(route.path.startsWith('/color/detail')){
+      String? selectedColor = route.queryParameters['color'];
+
+      if (selectedColor != null) {
+        Color color = Color(int.parse(selectedColor, radix: 16));
+        return MaterialPage(key: _colorDetailKey, child: StlColorPage(color: color));
+      }
+    }
+
+    if (route.path == '/color/add') {
+     return MaterialPage(key: _addColorKey, child: ColorAddPage());
+    }
+
+    return null;
+  }
+
+  @override
+  Future<void> setNewRoutePath(ParsedRoute configuration) async {
+    print("===setNewRoutePath===${configuration}=================");
+    if(configuration!=_routes.last){
+      _routes.add(configuration);
+    }
+  }
+
+  bool _onPagePop(Route route, result) {
+    RouteSettings settings = route.settings;
+    if(settings is Page){
+      if(settings.key==_addColorKey){
+        _routes.removeLast();
+        notifyListeners();
+      }
+      if(settings.key==_colorDetailKey){
+        _routes.removeLast();
+        notifyListeners();
+      }
+    }
+    return route.didPop(result);
+  }
+
+
+}