v3
This commit is contained in:
185
lib/v2/app/navigation/app_router_delegate.dart
Normal file
185
lib/v2/app/navigation/app_router_delegate.dart
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import 'dart:async';
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import 'dart:io';
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import 'package:flutter/material.dart';
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import '../../pages/color/color_detail_page.dart';
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import '../../pages/color/color_page.dart';
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import '../../pages/empty/empty_page.dart';
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import '../../pages/settings/settings_page.dart';
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import '../../pages/counter/counter_page.dart';
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import '../../pages/user/user_page.dart';
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import '../../transition/fade_transition_page.dart';
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import '../../pages/color/color_add_page.dart';
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const List<String> kDestinationsPaths = [
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'/color',
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'/counter',
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'/user',
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'/settings',
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];
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AppRouterDelegate router = AppRouterDelegate();
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class AppRouterDelegate extends RouterDelegate<Object> with ChangeNotifier {
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String _path = '/color';
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String get path => _path;
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int? get activeIndex {
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if(path.startsWith('/color')) return 0;
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if(path.startsWith('/counter')) return 1;
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if(path.startsWith('/user')) return 2;
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if(path.startsWith('/settings')) return 3;
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return null;
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}
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final Map<String,Completer<dynamic>> _completerMap = {};
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Completer<dynamic>? completer;
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Future<dynamic> changePathForResult(String value) async{
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Completer<dynamic> completer = Completer();
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_completerMap[value] = completer;
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path = value;
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return completer.future;
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}
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set path(String value) {
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if (_path == value) return;
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_path = value;
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notifyListeners();
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}
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@override
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Widget build(BuildContext context) {
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return Navigator(
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onPopPage: _onPopPage,
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pages: _buildPageByPath(path),
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);
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}
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List<Page> _buildPageByPath(String path) {
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if(path.startsWith('/color')){
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return buildColorPages(path);
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}
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Widget? child;
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if (path == kDestinationsPaths[1]) {
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child = const CounterPage();
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}
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if (path == kDestinationsPaths[2]) {
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child = const UserPage();
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}
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if (path == kDestinationsPaths[3]) {
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child = const SettingPage();
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}
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return [
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FadeTransitionPage(
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// key: ValueKey(path),
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child: child ?? const EmptyPage(),
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)
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];
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}
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List<Page> buildColorPages(String path){
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List<Page> result = [];
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Uri uri = Uri.parse(path);
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for (String segment in uri.pathSegments) {
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if(segment == 'color'){
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result.add( const FadeTransitionPage(
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key: ValueKey('/color'),
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child:ColorPage(),
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));
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}
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if(segment =='detail'){
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final Map<String, String> queryParams = uri.queryParameters;
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String? selectedColor = queryParams['color'];
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if (selectedColor != null) {
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Color color = Color(int.parse(selectedColor, radix: 16));
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result.add( FadeTransitionPage(
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key: const ValueKey('/color/detail'),
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child:ColorDetailPage(color: color),
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));
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}
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}
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if(segment == 'add'){
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result.add( const FadeTransitionPage(
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key: ValueKey('/color/add'),
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child:ColorAddPage(),
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));
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}
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}
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return result;
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}
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@override
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Future<bool> popRoute() async {
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print('=======popRoute=========');
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return true;
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}
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bool _onPopPage(Route route, result) {
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if(_completerMap.containsKey(path)){
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_completerMap[path]?.complete(result);
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_completerMap.remove(path);
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}
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path = backPath(path);
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return route.didPop(result);
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}
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String backPath(String path){
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Uri uri = Uri.parse(path);
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if(uri.pathSegments.length==1) return path;
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List<String> parts = List.of(uri.pathSegments)..removeLast();
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return '/${parts.join('/')}';
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}
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@override
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Future<void> setNewRoutePath(configuration) async {}
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}
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// class AppRouterDelegate extends RouterDelegate<String> with ChangeNotifier, PopNavigatorRouterDelegateMixin {
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//
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// List<String> _value = ['/'];
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//
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//
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// List<String> get value => _value;
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//
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// set value(List<String> value){
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// _value = value;
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// notifyListeners();
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// }
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//
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// @override
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// Widget build(BuildContext context) {
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// return Navigator(
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// onPopPage: _onPopPage,
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// pages: _value.map((e) => _pageMap[e]!).toList(),
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// );
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// }
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//
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// final Map<String, Page> _pageMap = const {
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// '/': MaterialPage(child: HomePage()),
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// 'a': MaterialPage(child: PageA()),
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// 'b': MaterialPage(child: PageB()),
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// 'c': MaterialPage(child: PageC()),
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// };
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//
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// bool _onPopPage(Route route, result) {
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// _value = List.of(_value)..removeLast();
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// notifyListeners();
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// return route.didPop(result);
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// }
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//
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// @override
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// GlobalKey<NavigatorState>? navigatorKey = GlobalKey<NavigatorState>();
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//
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// @override
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// Future<void> setNewRoutePath(String configuration) async{
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// }
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// }
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