50 lines
1.3 KiB
Dart
50 lines
1.3 KiB
Dart
import 'package:flutter/material.dart';
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import '../app_router_delegate.dart';
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class AppNavigationRail extends StatefulWidget {
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const AppNavigationRail({super.key});
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@override
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State<AppNavigationRail> createState() => _AppNavigationRailState();
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}
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class _AppNavigationRailState extends State<AppNavigationRail> {
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final List<NavigationRailDestination> destinations = const [
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NavigationRailDestination(icon: Icon(Icons.color_lens_outlined), label: Text("颜色板")),
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NavigationRailDestination(icon: Icon(Icons.add_chart), label: Text("计数器")),
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NavigationRailDestination(icon: Icon(Icons.person), label: Text("我的")),
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NavigationRailDestination(icon: Icon(Icons.settings), label: Text("设置")),
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];
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@override
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void initState() {
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super.initState();
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router.addListener(_onRouterChange);
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}
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@override
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void dispose() {
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router.removeListener(_onRouterChange);
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return NavigationRail(
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labelType: NavigationRailLabelType.all,
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onDestinationSelected: _onDestinationSelected,
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destinations: destinations,
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selectedIndex: router.activeIndex,
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);
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}
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void _onDestinationSelected(int index) {
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router.path = kDestinationsPaths[index];
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}
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void _onRouterChange() {
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setState(() {
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});
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}
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} |