59 lines
1.4 KiB
Dart
59 lines
1.4 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:go_router/go_router.dart';
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class RouteBackIndicator extends StatefulWidget {
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const RouteBackIndicator({super.key});
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@override
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State<RouteBackIndicator> createState() => _RouteBackIndicatorState();
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}
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class _RouteBackIndicatorState extends State<RouteBackIndicator> {
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late GoRouterDelegate _delegate ;
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@override
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void initState() {
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super.initState();
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_delegate = GoRouter.of(context).routerDelegate;
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_delegate.addListener(_onChange);
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}
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@override
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void dispose() {
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_delegate.removeListener(_onChange);
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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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bool hasPush = _delegate.currentConfiguration.matches
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.whereType<ImperativeRouteMatch>().isNotEmpty;
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if(hasPush){
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return MouseRegion(
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cursor: SystemMouseCursors.click,
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child: GestureDetector(
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onTap: context.pop,
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child: Container(
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width: 26,
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height: 26,
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margin: EdgeInsets.only(right: 8),
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alignment: Alignment.center,
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decoration: BoxDecoration(
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color: Color(0xffE3E5E7),
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borderRadius: BorderRadius.circular(6)
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),
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child: Icon(Icons.arrow_back_ios_new,size: 14,)),
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),
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);
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}
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return SizedBox();
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}
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void _onChange() {
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setState(() {
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});
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}
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}
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