This commit is contained in:
toly
2023-11-04 08:48:16 +08:00
parent 8ef81ddb33
commit 88cd6fb3b4
130 changed files with 2563 additions and 5327 deletions

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import 'dart:async';
import 'package:flutter/material.dart';
import 'iroute.dart';
import 'iroute_config.dart';
import 'route_history_manager.dart';
import 'routes.dart';
import 'views/not_find_view.dart';
AppRouterDelegate router = AppRouterDelegate();
class AppRouterDelegate extends RouterDelegate<Object> with ChangeNotifier {
String _path = '/color';
String get path => _path;
final IRoutePageBuilder? notFindPageBuilder;
AppRouterDelegate({this.notFindPageBuilder}) {
_historyManager.recode(IRouteConfig(uri: Uri.parse(path)));
}
Page _defaultNotFindPageBuilder(_, __) => const MaterialPage(
child: Material(child: NotFindPage()),
);
final RouteHistoryManager _historyManager = RouteHistoryManager();
RouteHistoryManager get historyManager => _historyManager;
/// 历史回退操作
/// 详见: [RouteHistoryManager.back]
void back() => _historyManager.back(changeRoute);
/// 撤销回退操作
/// 详见: [RouteHistoryManager.revocation]
void revocation() => _historyManager.revocation(changeRoute);
void closeHistory(int index) {
_historyManager.close(index);
notifyListeners();
}
void clearHistory() {
_historyManager.clear();
notifyListeners();
}
final Map<String, Completer<dynamic>> _completerMap = {};
final Map<String, dynamic> _pathExtraMap = {};
final List<String> keepAlivePath = [];
FutureOr<dynamic> changeRoute(IRouteConfig config) {
String value = config.uri.path;
if (_path == value) null;
if (config.forResult) {
_completerMap[value] = Completer();
}
if (config.keepAlive) {
if (keepAlivePath.contains(value)) {
keepAlivePath.remove(value);
}
keepAlivePath.add(value);
}
if (config.extra != null) {
_pathExtraMap[value] = config.extra;
}
if (config.recordHistory) {
_historyManager.recode(config);
}
_path = value;
notifyListeners();
if (config.forResult) {
return _completerMap[value]!.future;
}
}
FutureOr<dynamic> changePath(
String value, {
bool forResult = false,
Object? extra,
bool keepAlive = false,
bool recordHistory = true,
}) {
return changeRoute(IRouteConfig(
uri: Uri.parse(value),
forResult: forResult,
extra: extra,
keepAlive: keepAlive,
recordHistory: recordHistory,
));
}
@override
Widget build(BuildContext context) {
return Navigator(
onPopPage: _onPopPage,
pages: _buildPages(context, path),
);
}
List<Page> _buildPages(BuildContext context, String path) {
List<Page> pages = [];
List<Page> topPages = _buildPageByPathFromTree(context, path);
if (keepAlivePath.isNotEmpty) {
for (String alivePath in keepAlivePath) {
if (alivePath != path) {
pages.addAll(_buildPageByPathFromTree(context, alivePath));
}
}
/// 去除和 topPages 中重复的界面
pages.removeWhere(
(element) => topPages.map((e) => e.key).contains(element.key));
}
pages.addAll(topPages);
return pages;
}
List<Page> _buildPageByPathFromTree(BuildContext context, String path) {
List<Page> result = [];
List<IRouteNode> iRoutes = rootRoute.find(path);
if (iRoutes.isNotEmpty) {
for (int i = 0; i < iRoutes.length; i++) {
IRouteNode iroute = iRoutes[i];
String path = iroute.path;
Object? extra = _pathExtraMap[path];
bool keepAlive = keepAlivePath.contains(path);
bool forResult = _completerMap.containsKey(path);
IRouteConfig config = IRouteConfig(
uri: Uri.parse(path),
extra: extra,
keepAlive: keepAlive,
forResult: forResult,
);
Page? page;
if (iroute is NotFindNode) {
page = (notFindPageBuilder ?? _defaultNotFindPageBuilder)(context, config);
} else {
page = iroute.createPage(context, config);
}
if (page != null) {
result.add(page);
}
}
}
return result;
}
@override
Future<bool> popRoute() async {
print('=======popRoute=========');
return true;
}
bool _onPopPage(Route route, result) {
if (_completerMap.containsKey(path)) {
_completerMap[path]?.complete(result);
_completerMap.remove(path);
}
changePath(backPath(path), recordHistory: false);
return route.didPop(result);
}
String backPath(String path) {
Uri uri = Uri.parse(path);
if (uri.pathSegments.length == 1) return path;
List<String> parts = List.of(uri.pathSegments)..removeLast();
return '/${parts.join('/')}';
}
@override
Future<void> setNewRoutePath(configuration) async {}
}

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import 'package:flutter/material.dart';
import 'iroute_config.dart';
typedef IRoutePageBuilder = Page? Function(
BuildContext context,
IRouteConfig data,
);
typedef IRouteWidgetBuilder = Widget? Function(
BuildContext context,
IRouteConfig data,
);
abstract class IRouteNode {
final String path;
final List<IRouteNode> children;
const IRouteNode({
required this.path,
required this.children,
});
Page? createPage(BuildContext context, IRouteConfig config);
List<IRouteNode> find(String input,) {
return findNodes(this, Uri.parse(input), 0, '/', []);
}
List<IRouteNode> findNodes(
IRouteNode node,
Uri uri,
int deep,
String prefix,
List<IRouteNode> result,
) {
List<String> parts = uri.pathSegments;
if (deep > parts.length - 1) {
return result;
}
String target = parts[deep];
if (node.children.isNotEmpty) {
target = prefix + target;
List<IRouteNode> nodes = node.children.where((e) => e.path == target).toList();
bool match = nodes.isNotEmpty;
if (match) {
IRouteNode matched = nodes.first;
result.add(matched);
String nextPrefix = '${matched.path}/';
findNodes(matched, uri, ++deep, nextPrefix, result);
}else{
result.add(NotFindNode(path: target));
return result;
}
}
return result;
}
}
/// 优先调用 [pageBuilder] 构建 Page
/// 没有 [pageBuilder] 时, 使用 [widgetBuilder] 构建组件
/// 没有 [pageBuilder] 和 [widgetBuilder] 时, 使用 [widget] 构建组件
class IRoute extends IRouteNode {
final IRoutePageBuilder? pageBuilder;
final IRouteWidgetBuilder? widgetBuilder;
final Widget? widget;
const IRoute({
required super.path,
super.children = const [],
this.widget,
this.pageBuilder,
this.widgetBuilder,
});
@override
Page? createPage(BuildContext context, IRouteConfig config) {
if (pageBuilder != null) {
return pageBuilder!(context, config);
}
Widget? child;
if (widgetBuilder != null) {
child = widgetBuilder!(context, config);
}
child ??= widget;
if (child != null) {
return MaterialPage(child: child, key: config.pageKey);
}
return null;
}
}
/// 未知路由
class NotFindNode extends IRouteNode{
NotFindNode({required super.path, super.children= const[]});
@override
Page? createPage(BuildContext context, IRouteConfig config) {
return null;
}
}
class CellIRouter extends IRoute {
final CellBuilder cellBuilder;
CellIRouter(
{required super.path,
super.pageBuilder,
super.children,
required this.cellBuilder});
}
typedef CellBuilder = Widget Function(BuildContext context, Widget child);

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import 'package:flutter/material.dart';
class IRouteConfig {
final Object? extra;
final bool forResult;
final Uri uri;
final bool keepAlive;
final bool recordHistory;
const IRouteConfig({
this.extra,
required this.uri,
this.forResult = false,
this.keepAlive = false,
this.recordHistory = false,
});
String get path => uri.path;
IRouteConfig copyWith({
Object? extra,
bool? forResult,
bool? keepAlive,
bool? recordHistory,
}) =>
IRouteConfig(
extra: extra ?? this.extra,
forResult: forResult ?? this.forResult,
keepAlive: keepAlive ?? this.keepAlive,
recordHistory: recordHistory ?? this.recordHistory,
uri: uri,
);
ValueKey get pageKey => ValueKey(path);
}

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import 'iroute_config.dart';
typedef OnRouteChange = void Function(IRouteConfig config);
class RouteHistoryManager{
final List<IRouteConfig> _histories = [];
final List<IRouteConfig> _backHistories = [];
List<IRouteConfig> get histories => _histories.reversed.toList();
bool get hasHistory => _histories.length > 1;
bool get hasBackHistory => _backHistories.isNotEmpty;
/// 将 [config] 加入历史记录
void recode(IRouteConfig config){
if (_histories.isNotEmpty && config.path == _histories.last.path) return;
_histories.add(config);
}
/// 历史回退操作
/// 将当前顶层移除,并加入 [_backHistories] 撤销列表
/// 并转到前一路径 [_histories.last]
void back(OnRouteChange callback) {
if (!hasHistory) return;
IRouteConfig top = _histories.removeLast();
_backHistories.add(top);
if (_histories.isNotEmpty) {
callback(_histories.last);
}
}
/// 撤销回退操作
/// 取出回退列表的最后元素,跳转到该路径
void revocation(OnRouteChange callback) {
IRouteConfig target = _backHistories.removeLast();
callback(target);
}
void close(int index) {
_histories.removeAt(index);
}
void clear() {
_histories.clear();
}
}

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import 'package:flutter/material.dart';
import 'iroute_config.dart';
import 'iroute.dart';
import '../../../pages/color/color_add_page.dart';
import '../../../pages/color/color_detail_page.dart';
import '../../../pages/color/color_page.dart';
import '../../../pages/counter/counter_page.dart';
import '../../../pages/user/user_page.dart';
import '../../../pages/settings/settings_page.dart';
import '../../../pages/sort/views/sort_page.dart';
IRoute rootRoute = const IRoute(
path: 'root',
children: [
IRoute(
path: '/color',
widget: ColorPage(),
children: [
IRoute(path: '/color/detail', widgetBuilder: _buildColorDetail),
IRoute(path: '/color/add', widget: ColorAddPage()),
],
),
IRoute(path: '/counter', widget: CounterPage()),
IRoute(path: '/sort', widget: SortPage()),
IRoute(path: '/user', widget: UserPage()),
IRoute(path: '/settings', widget: SettingPage()),
],
);
Widget? _buildColorDetail(BuildContext context, IRouteConfig data) {
final Map<String, String> queryParams = data.uri.queryParameters;
String? selectedColor = queryParams['color'];
Color color = Colors.black;
if (selectedColor != null) {
color = Color(int.parse(selectedColor, radix: 16));
} else if (data.extra is Color) {
color = data.extra as Color;
}
return ColorDetailPage(color: color);
}

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import 'package:flutter/material.dart';
class NotFindPage extends StatelessWidget {
const NotFindPage({super.key});
@override
Widget build(BuildContext context) {
return const Material(
child: Center(
child: Wrap(
spacing: 16,
crossAxisAlignment: WrapCrossAlignment.center,
direction: Axis.vertical,
children: [
Icon(Icons.nearby_error,size: 64, color: Colors.redAccent),
Text(
'404 Page Not Find',
style: TextStyle(fontSize: 24, color: Colors.grey),
),
],
),
),
);
}
}

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import 'package:flutter/material.dart';
class FadePageTransitionsBuilder extends PageTransitionsBuilder {
const FadePageTransitionsBuilder();
@override
Widget buildTransitions<T>(
PageRoute<T>? route,
BuildContext? context,
Animation<double> animation,
Animation<double> secondaryAnimation,
Widget child,
) {
return _FadePagePageTransition(
animation: animation,
secondaryAnimation: secondaryAnimation,
child: child,
);
}
}
class _FadePagePageTransition extends StatelessWidget {
const _FadePagePageTransition({
required this.animation,
required this.secondaryAnimation,
required this.child,
});
final Animation<double> animation;
final Animation<double> secondaryAnimation;
final Widget child;
@override
Widget build(BuildContext context) {
var curveTween = CurveTween(curve: Curves.easeIn);
return FadeTransition(
opacity: animation.drive(curveTween),
child: child,
);
}
}

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// Copyright 2021, the Flutter project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
import 'package:flutter/material.dart';
class FadeTransitionPage<T> extends Page<T> {
final Widget child;
final Duration duration;
const FadeTransitionPage({
super.key,
required this.child,
this.duration = const Duration(milliseconds: 300),
});
@override
Route<T> createRoute(BuildContext context) => PageBasedFadeTransitionRoute<T>(this);
}
class PageBasedFadeTransitionRoute<T> extends PageRoute<T> {
final FadeTransitionPage<T> _page;
PageBasedFadeTransitionRoute(this._page) : super(settings: _page);
@override
Color? get barrierColor => null;
@override
String? get barrierLabel => null;
@override
Duration get transitionDuration => _page.duration;
@override
bool get maintainState => true;
@override
Widget buildPage(BuildContext context, Animation<double> animation,
Animation<double> secondaryAnimation) {
var curveTween = CurveTween(curve: Curves.easeIn);
return FadeTransition(
opacity: animation.drive(curveTween),
child: (settings as FadeTransitionPage).child,
);
}
@override
Widget buildTransitions(BuildContext context, Animation<double> animation,
Animation<double> secondaryAnimation, Widget child) =>
child;
}

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// Copyright 2021, the Flutter project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
import 'package:flutter/material.dart';
class NoTransitionPage<T> extends Page<T> {
final Widget child;
const NoTransitionPage({
super.key,
required this.child,
});
@override
Route<T> createRoute(BuildContext context) => NoTransitionRoute<T>(this);
}
class NoTransitionRoute<T> extends PageRoute<T> {
final NoTransitionPage<T> _page;
NoTransitionRoute(this._page) : super(settings: _page);
@override
Color? get barrierColor => null;
@override
String? get barrierLabel => null;
@override
Duration get transitionDuration => const Duration(milliseconds: 0);
@override
bool get maintainState => true;
@override
Widget buildPage(BuildContext context, Animation<double> animation,
Animation<double> secondaryAnimation) {
return (settings as NoTransitionPage).child;
}
@override
Widget buildTransitions(BuildContext context, Animation<double> animation,
Animation<double> secondaryAnimation, Widget child) =>
child;
}

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import 'package:flutter/material.dart';
import '../router/app_router_delegate.dart';
import 'app_navigation_rail.dart';
import 'app_top_bar/app_top_bar.dart';
class AppNavigation extends StatelessWidget {
const AppNavigation({super.key});
@override
Widget build(BuildContext context) {
double px1 = 1/View.of(context).devicePixelRatio;
return Scaffold(
body: Row(
children: [
const AppNavigationRail(),
Expanded(
child: Column(
children: [
const AppTopBar(),
Divider(height: px1,),
Expanded(
child: Router(
routerDelegate: router,
backButtonDispatcher: RootBackButtonDispatcher(),
),
),
],
),
),
],
),
);
}
}

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import 'package:flutter/material.dart';
import 'package:iroute/components/components.dart';
import '../router/app_router_delegate.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('V0.0.7',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);
}else{
router.changePath(path);
}
}
void _onRouterChange() {
setState(() {});
}
}

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import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:iroute/components/toly_ui/button/hover_icon_button.dart';
import '../../router/app_router_delegate.dart';
class AppRouterEditor extends StatefulWidget {
final ValueChanged<String>? onSubmit;
const AppRouterEditor({super.key, this.onSubmit});
@override
State<AppRouterEditor> createState() => _AppRouterEditorState();
}
class _AppRouterEditorState extends State<AppRouterEditor> {
final TextEditingController _controller = TextEditingController();
@override
void initState() {
super.initState();
_onRouteChange();
router.addListener(_onRouteChange);
}
void _onRouteChange() {
_controller.text=router.path;
}
@override
void dispose() {
_controller.dispose();
router.removeListener(_onRouteChange);
super.dispose();
}
@override
Widget build(BuildContext context) {
return Stack(
alignment: Alignment.centerRight,
children: [
SizedBox(
child: CupertinoTextField(
controller: _controller,
style: TextStyle(fontSize: 14),
padding: EdgeInsets.only(left:12,top: 6,bottom: 6,right: 32),
placeholder: '输入路由地址导航',
onSubmitted: widget.onSubmit,
decoration: BoxDecoration(color: Color(0xffF1F2F3),borderRadius: BorderRadius.circular(6)),
),
),
Padding(
padding: const EdgeInsets.only(right: 8.0),
child: HoverIconButton(
icon: Icons.directions_outlined,
defaultColor: Color(0xff68696B),
onPressed:()=>widget.onSubmit?.call(_controller.text),
size: 20
),
)
],
);
}
}

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import 'package:flutter/material.dart';
import 'package:iroute/components/components.dart';
import '../../router/app_router_delegate.dart';
import 'app_router_editor.dart';
import 'history_view_icon.dart';
import 'route_history_button.dart';
class AppTopBar extends StatelessWidget {
const AppTopBar({super.key});
@override
Widget build(BuildContext context) {
return DragToMoveWrap(
child: Container(
alignment: Alignment.center,
height: 46,
child: Row(
children: [
const SizedBox(width: 16),
const RouterIndicator(),
Expanded(
child: Row(children: [
const Spacer(),
RouteHistoryButton(),
const SizedBox(width: 12,),
SizedBox(
width: 250,
child: AppRouterEditor(
onSubmit: (path) => router.changePath(path),
)),
const SizedBox(width: 12,),
HistoryViewIcon(),
const Padding(
padding: EdgeInsets.symmetric(vertical: 12.0),
child: VerticalDivider(
width: 32,
),
)
])),
const 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',
'/sort': '可视化排序算法',
'/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.changePath(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;
}
}

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import 'package:flutter/material.dart';
import 'package:iroute/components/components.dart';
import '../../router/app_router_delegate.dart';
import '../../router/iroute.dart';
import '../../router/iroute_config.dart';
import 'app_top_bar.dart';
class HistoryViewIcon extends StatelessWidget{
const HistoryViewIcon({super.key});
@override
Widget build(BuildContext context) {
return MouseRegion(
cursor: SystemMouseCursors.click,
child: PopPanel(
offset: const Offset(0, 10),
panel: SizedBox(
height: 350,
child: Column(
children: [
_buildTopBar(),
const Expanded(
child:HistoryPanel(),
),
],
),
),
child: const Icon(
Icons.history,
size: 20,
),
),
);
}
Widget _buildTopBar() {
return Container(
decoration: BoxDecoration(
color: const Color(0xffFAFAFC),
borderRadius: BorderRadius.circular(6),
),
padding:
const EdgeInsets.only(top: 10, left: 12, right: 12, bottom: 8),
child: Row(
children: [
const Text(
'浏览历史',
style: TextStyle(fontWeight: FontWeight.bold),
),
const Spacer(),
TextButton(onPressed: router.clearHistory, child: const Text('清空历史'))
],
));
}
}
class HistoryItem extends StatefulWidget {
final IRouteConfig history;
final VoidCallback onPressed;
final VoidCallback onDelete;
const HistoryItem({super.key, required this.history, required this.onPressed, required this.onDelete});
@override
State<HistoryItem> createState() => _HistoryItemState();
}
class _HistoryItemState extends State<HistoryItem> {
@override
Widget build(BuildContext context) {
return MouseRegion(
cursor: SystemMouseCursors.click,
child: GestureDetector(
behavior: HitTestBehavior.opaque,
onTap: widget.onPressed,
child: Row(
children: [
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(widget.history.path),
const SizedBox(
height: 2,
),
Text(kRouteLabelMap[widget.history.path]??'未知路由'),
],
)),
GestureDetector(
onTap: widget.onDelete,
child: const Icon(
Icons.close,
size: 18,
color: Color(0xff8E92A9),
),
),
],
),
),
);
}
}
class HistoryPanel extends StatefulWidget {
const HistoryPanel({super.key});
@override
State<HistoryPanel> createState() => _HistoryPanelState();
}
class _HistoryPanelState extends State<HistoryPanel> {
@override
void initState() {
super.initState();
router.addListener(_onChange);
}
@override
void dispose() {
router.removeListener(_onChange);
super.dispose();
}
@override
Widget build(BuildContext context) {
List<IRouteConfig> histories = router.historyManager.histories;
if(histories.isEmpty){
return const Center(
child: Text(
'暂无浏览历史记录',
style: TextStyle(fontSize: 14, color: Colors.grey),
),
);
}
return ListView.builder(
padding: const EdgeInsets.symmetric(vertical: 12, horizontal: 16),
itemExtent: 46,
itemCount: histories.length,
itemBuilder: (_, index) =>
HistoryItem(
onDelete: (){
int fixIndex = histories.length - 1 - index;
router.closeHistory(fixIndex);
},
onPressed: (){
router.changeRoute(histories[index].copyWith(recordHistory: false));
Navigator.of(context).pop();
},
history: histories[index]),
);
}
void _onChange() {
setState(() {});
}
}

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import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:iroute/components/toly_ui/button/hover_icon_button.dart';
import '../../router/app_router_delegate.dart';
class RouteHistoryButton extends StatefulWidget {
const RouteHistoryButton({super.key});
@override
State<RouteHistoryButton> createState() => _RouteHistoryButtonState();
}
class _RouteHistoryButtonState extends State<RouteHistoryButton> {
@override
void initState() {
super.initState();
router.addListener(_onChange);
}
@override
void dispose() {
router.removeListener(_onChange);
super.dispose();
}
@override
Widget build(BuildContext context) {
bool hasHistory = router.historyManager.hasHistory;
bool hasBackHistory = router.historyManager.hasBackHistory;
Color activeColor = const Color(0xff9195AC);
Color inActiveColor = const Color(0xffC7CAD5);
Color historyColor = hasHistory?activeColor:inActiveColor;
Color backHistoryColor = hasBackHistory?activeColor:inActiveColor;
return Wrap(
children: [
HoverIconButton(
size: 20,
hoverColor: historyColor,
defaultColor: historyColor,
icon: CupertinoIcons.arrow_left_circle,
onPressed: hasHistory?router.back:null,
),
const SizedBox(width: 8,),
HoverIconButton(
size: 20,
hoverColor: backHistoryColor,
defaultColor: backHistoryColor,
icon: CupertinoIcons.arrow_right_circle,
onPressed: hasBackHistory?router.revocation:null,
),
],
);
}
void _onChange() {
setState(() {});
}
}