v4

lib/v5/app/navigation/views/app_top_bar.dart

@@ -0,0 +1,92 @@
+import 'package:flutter/material.dart';
+import 'package:iroute/components/components.dart';
+import '../router/app_router_delegate.dart';
+
+class AppTopBar extends StatelessWidget {
+  const AppTopBar({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return DragToMoveWrap(
+      child: Container(
+        alignment: Alignment.center,
+        height: 46,
+        child: const Row(
+          children: [
+            SizedBox(width: 16),
+            Expanded(child: Align(
+                alignment: Alignment.centerLeft,
+                child: RouterIndicator())),
+            WindowButtons()
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class RouterIndicator extends StatefulWidget {
+  const RouterIndicator({super.key});
+
+  @override
+  State<RouterIndicator> createState() => _RouterIndicatorState();
+}
+
+Map<String, String> kRouteLabelMap = {
+  '/color': '颜色板',
+  '/color/add': '添加颜色',
+  '/color/detail': '颜色详情',
+  '/counter': '计数器',
+  '/user': '我的',
+  '/settings': '系统设置',
+};
+
+
+class _RouterIndicatorState extends State<RouterIndicator> {
+  @override
+  void initState() {
+    super.initState();
+    router.addListener(_onRouterChange);
+  }
+
+  @override
+  void dispose() {
+    router.removeListener(_onRouterChange);
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return TolyBreadcrumb(
+      items: pathToBreadcrumbItems(router.path),
+      onTapItem: (item){
+        if(item.to!=null){
+          router.path = item.to!;
+        }
+      },
+    );
+  }
+
+  void _onRouterChange() {
+    setState(() {});
+  }
+
+  List<BreadcrumbItem> pathToBreadcrumbItems(String path) {
+    Uri uri = Uri.parse(path);
+    List<BreadcrumbItem> result = [];
+    String to = '';
+
+    String distPath = '';
+    for (String segment in uri.pathSegments) {
+      distPath += '/$segment';
+    }
+
+    for (String segment in uri.pathSegments) {
+      to += '/$segment';
+      String label = kRouteLabelMap[to] ?? '未知路由';
+      result.add(BreadcrumbItem(to: to, label: label,active: to==distPath));
+    }
+    return result;
+  }
+}
+