forked from lxm_flutter/FlutterUnit
110 lines
3.6 KiB
Dart
110 lines
3.6 KiB
Dart
import 'package:flutter/material.dart';
|
|
import 'package:flutter_bloc/flutter_bloc.dart';
|
|
import 'package:flutter_unit/app/router/unit_router.dart';
|
|
import 'package:flutter_unit/blocs/bloc_exp.dart';
|
|
import 'package:flutter_unit/views/components/project/nav/unit_bottom_bar.dart';
|
|
import 'package:flutter_unit/views/components/project/overlay_tool_wrapper.dart';
|
|
import 'package:flutter_unit/views/pages/category/collect_page.dart';
|
|
import 'package:flutter_unit/views/pages/category/home_right_drawer.dart';
|
|
import 'package:flutter_unit/painter_system/gallery_unit.dart';
|
|
import 'package:flutter_unit/views/pages/user/user_page.dart';
|
|
import 'package:flutter_unit/views/pages/widget_home/home_drawer.dart';
|
|
import 'package:flutter_unit/views/pages/widget_home/home_page.dart';
|
|
|
|
/// create by 张风捷特烈 on 2020-04-11
|
|
/// contact me by email 1981462002@qq.com
|
|
/// 说明: 主题结构 左右滑页 + 底部导航栏
|
|
|
|
|
|
class UnitNavigation extends StatefulWidget {
|
|
@override
|
|
_UnitNavigationState createState() => _UnitNavigationState();
|
|
}
|
|
|
|
class _UnitNavigationState extends State<UnitNavigation> {
|
|
//页面控制器，初始 0
|
|
final PageController _controller = PageController();
|
|
|
|
// 禁止 PageView 滑动
|
|
final ScrollPhysics neverScroll = const NeverScrollableScrollPhysics();
|
|
|
|
|
|
@override
|
|
void dispose() {
|
|
_controller.dispose(); //释放控制器
|
|
super.dispose();
|
|
}
|
|
|
|
/// extendBody = true 凹嵌透明，需要处理底部 边距
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Scaffold(
|
|
extendBody: true,
|
|
drawer: HomeDrawer(),
|
|
endDrawer: HomeRightDrawer(),
|
|
floatingActionButtonLocation: FloatingActionButtonLocation.centerDocked,
|
|
floatingActionButton: _buildSearchButton(context),
|
|
body: wrapOverlayTool(
|
|
child: PageView(
|
|
physics: neverScroll,
|
|
controller: _controller,
|
|
children: <Widget>[
|
|
HomePage(),
|
|
GalleryUnit(),
|
|
CollectPage(),
|
|
UserPage(),
|
|
],
|
|
),
|
|
),
|
|
bottomNavigationBar: _buildBottomNav(context));
|
|
}
|
|
|
|
// 构建悬浮按钮工具
|
|
Widget wrapOverlayTool({Widget child}) => Builder(
|
|
builder: (ctx) => OverlayToolWrapper(
|
|
child: child,
|
|
));
|
|
|
|
// 主页搜索按钮
|
|
// 由于 按钮 颜色需要随 点击头部栏 状态而改变，
|
|
// 使用 BlocBuilder 构建
|
|
Widget _buildSearchButton(BuildContext context) =>
|
|
BlocBuilder<WidgetsBloc, WidgetsState>(
|
|
builder: (_, state) => FloatingActionButton(
|
|
elevation: 2,
|
|
backgroundColor: state.color,
|
|
child: const Icon(Icons.search),
|
|
onPressed: () =>
|
|
Navigator.of(context).pushNamed(UnitRouter.search),
|
|
));
|
|
|
|
// 由于 bottomNavigationBar 颜色需要随 点击头部栏 状态而改变，
|
|
// 使用 BlocBuilder 构建
|
|
Widget _buildBottomNav(BuildContext context) =>
|
|
BlocBuilder<WidgetsBloc, WidgetsState>(
|
|
builder: (_, state) => UnitBottomBar(
|
|
color: state.color,
|
|
onItemTap: _onTapBottomNav,
|
|
onItemLongTap: _onItemLongTap,
|
|
|
|
));
|
|
|
|
// 点击底部按钮事件，切换页面
|
|
_onTapBottomNav(int index) {
|
|
_controller.animateToPage(index, duration: const Duration(milliseconds: 200), curve: Curves.linear);
|
|
if (index == 2) {
|
|
BlocProvider.of<LikeWidgetBloc>(context).add(EventLoadLikeData());
|
|
}
|
|
}
|
|
|
|
// 两侧
|
|
void _onItemLongTap(BuildContext context , int index) {
|
|
if (index == 0) {
|
|
Scaffold.of(context).openDrawer();
|
|
}
|
|
if (index == 3) {
|
|
Scaffold.of(context).openEndDrawer();
|
|
}
|
|
}
|
|
}
|