v8

lib/v9/app/navigation/views/app_navigation_rail.dart

@@ -0,0 +1,86 @@
+import 'package:flutter/material.dart';
+import 'package:iroute/components/components.dart';
+import '../router/app_router_delegate.dart';
+import '../router/iroute_config.dart';
+
+class AppNavigationRail extends StatefulWidget {
+  const AppNavigationRail({super.key});
+
+  @override
+  State<AppNavigationRail> createState() => _AppNavigationRailState();
+}
+
+class _AppNavigationRailState extends State<AppNavigationRail> {
+  final List<MenuMeta> deskNavBarMenus = const [
+    MenuMeta(label: '颜色板', icon: Icons.color_lens_outlined, path: '/color'),
+    MenuMeta(label: '计数器', icon: Icons.add_chart, path: '/counter'),
+    MenuMeta(label: '排序', icon: Icons.sort, path: '/sort'),
+    MenuMeta(label: '我的', icon: Icons.person, path: '/user'),
+    MenuMeta(label: '设置', icon: Icons.settings, path: '/settings'),
+  ];
+
+  @override
+  void initState() {
+    super.initState();
+    router.addListener(_onRouterChange);
+  }
+
+  @override
+  void dispose() {
+    router.removeListener(_onRouterChange);
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return DragToMoveWrap(
+      child: TolyNavigationRail(
+        items: deskNavBarMenus,
+        leading: const Padding(
+          padding: EdgeInsets.symmetric(vertical: 18.0),
+          child: FlutterLogo(),
+        ),
+        tail: Padding(
+          padding: const EdgeInsets.only(bottom: 6.0),
+          child: Text(
+            'V0.0.9',
+            style: TextStyle(color: Colors.white, fontSize: 12),
+          ),
+        ),
+        backgroundColor: const Color(0xff3975c6),
+        onDestinationSelected: _onDestinationSelected,
+        selectedIndex: activeIndex,
+      ),
+    );
+  }
+
+  RegExp _segReg = RegExp(r'/\w+');
+
+  int? get activeIndex {
+    String path = router.path;
+    RegExpMatch? match = _segReg.firstMatch(path);
+    if (match == null) return null;
+    String? target = match.group(0);
+    int index = deskNavBarMenus.indexWhere((menu) => menu.path == target);
+    if (index == -1) return null;
+    return index;
+  }
+
+  void _onDestinationSelected(int index) {
+    String path = deskNavBarMenus[index].path!;
+    if (index == 1) {
+      router.changePath(path, keepAlive: true);
+      return;
+    }
+    if (index == 4) {
+      router.changePath(path, style: RouteStyle.push);
+      return;
+    } else {
+      router.changePath(path);
+    }
+  }
+
+  void _onRouterChange() {
+    setState(() {});
+  }
+}