v10

lib/v10/app/navigation/router/app_router_delegate.dart

@@ -0,0 +1,178 @@
+import 'dart:async';
+import 'package:flutter/material.dart';
+import 'views/navigator_scope.dart';
+import 'iroute.dart';
+import 'iroute_config.dart';
+import 'route_history_manager.dart';
+import 'routes.dart';
+import 'views/not_find_view.dart';
+
+AppRouterDelegate router = AppRouterDelegate(
+    initial: IRouteConfig(
+      uri: Uri.parse('/app/color'),
+    ),
+    node: appRoute);
+
+class AppRouterDelegate extends RouterDelegate<IRouteConfig> with ChangeNotifier {
+  /// 核心数据，路由配置数据列表
+  final List<IRouteConfig> _configs = [];
+
+  String get path => current.uri.path;
+
+  IRouteConfig get current => _configs.last;
+
+  final IRoutePageBuilder? notFindPageBuilder;
+
+  final IRouteNode node;
+
+
+  @override
+  IRouteConfig get currentConfiguration => current;
+
+  AppRouterDelegate({
+    this.notFindPageBuilder,
+    required this.node,
+    required IRouteConfig initial,
+  }) {
+    _configs.add(initial);
+    _historyManager.recode(initial);
+  }
+
+  Page _defaultNotFindPageBuilder(_, __) => const MaterialPage(
+        child: Material(child: NotFindPage()),
+      );
+
+  final RouteHistoryManager _historyManager = RouteHistoryManager();
+
+  RouteHistoryManager get historyManager => _historyManager;
+
+  /// 历史回退操作
+  /// 详见: [RouteHistoryManager.back]
+  void back() => _historyManager.back(changeRoute);
+
+  /// 撤销回退操作
+  /// 详见: [RouteHistoryManager.revocation]
+  void revocation() => _historyManager.revocation(changeRoute);
+
+  void closeHistory(int index) {
+    _historyManager.close(index);
+    notifyListeners();
+  }
+
+  void clearHistory() {
+    _historyManager.clear();
+    notifyListeners();
+  }
+
+  // final List<IRouteConfig> _pathStack = [];
+
+  bool get canPop => _configs.where((e) => e.routeStyle == RouteStyle.push).isNotEmpty;
+
+  final Map<String, Completer<dynamic>> _completerMap = {};
+
+  FutureOr<dynamic> changeRoute(IRouteConfig config) {
+    String value = config.uri.path;
+    if (current == config) null;
+    _handleChangeStyle(config);
+
+    if (config.forResult) {
+      _completerMap[value] = Completer();
+    }
+
+    if (config.recordHistory) {
+      _historyManager.recode(config);
+    }
+
+    notifyListeners();
+    if (config.forResult) {
+      return _completerMap[value]!.future;
+    }
+  }
+
+  void _handleChangeStyle(IRouteConfig config) {
+    switch (config.routeStyle) {
+      case RouteStyle.push:
+        if (_configs.contains(config)) {
+          _configs.remove(config);
+        }
+        _configs.add(config);
+        break;
+      case RouteStyle.replace:
+        List<IRouteConfig> liveRoutes =
+            _configs.where((e) => e.keepAlive && e != config).toList();
+        _configs.clear();
+        _configs.addAll([...liveRoutes, config]);
+        break;
+    }
+  }
+
+  FutureOr<dynamic> changePath(
+    String value, {
+    bool forResult = false,
+    Object? extra,
+    bool keepAlive = false,
+    bool recordHistory = false,
+    RouteStyle style = RouteStyle.replace,
+  }) {
+    return changeRoute(IRouteConfig(
+      uri: Uri.parse(value),
+      forResult: forResult,
+      extra: extra,
+      routeStyle: style,
+      keepAlive: keepAlive,
+      recordHistory: recordHistory,
+    ));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return NavigatorScope(
+      node: node,
+      onPopPage: _onPopPage,
+      configs: _configs,
+      notFindPageBuilder: (notFindPageBuilder ?? _defaultNotFindPageBuilder),
+    );
+  }
+
+  @override
+  Future<bool> popRoute() async {
+    print('=======popRoute=========');
+    return true;
+  }
+
+  void backStack() {
+    if (_configs.isNotEmpty) {
+      _configs.removeLast();
+      if (_configs.isNotEmpty) {
+        changeRoute(_configs.last);
+      } else {
+        changeRoute(current);
+      }
+    }
+  }
+
+  bool _onPopPage(Route route, result) {
+    if (_completerMap.containsKey(path)) {
+      _completerMap[path]?.complete(result);
+      _completerMap.remove(path);
+    }
+
+    if (canPop) {
+      _configs.removeLast();
+      notifyListeners();
+    } else {
+      changePath(backPath(path), recordHistory: false);
+    }
+    return route.didPop(result);
+  }
+
+  String backPath(String path) {
+    Uri uri = Uri.parse(path);
+    if (uri.pathSegments.length == 1) return path;
+    List<String> parts = List.of(uri.pathSegments)..removeLast();
+    return '/${parts.join('/')}';
+  }
+
+  @override
+  Future<void> setNewRoutePath(configuration) async {}
+}