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aku_new_community/lib/ui/market/market_page.dart

300 lines
10 KiB

// import 'package:aku_community/base/base_style.dart';
import 'package:aku_community/utils/network/base_list_model.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:bot_toast/bot_toast.dart';
import 'package:flutter_easyrefresh/easy_refresh.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:waterfall_flow/waterfall_flow.dart';
import 'package:aku_community/constants/api.dart';
import 'package:aku_community/models/market/display_category_model.dart';
import 'package:aku_community/models/market/goods_item.dart';
import 'package:aku_community/models/market/market_category_model.dart';
import 'package:aku_community/ui/market/category/category_card.dart';
import 'package:aku_community/ui/market/category/category_page.dart';
import 'package:aku_community/ui/market/goods/goods_card.dart';
import 'package:aku_community/ui/market/order/my_order_page.dart';
import 'package:aku_community/ui/market/search/search_goods_page.dart';
import 'package:aku_community/utils/headers.dart';
import 'package:aku_community/utils/network/net_util.dart';
import 'package:aku_community/widget/bee_scaffold.dart';
// import 'package:aku_community/ui/market/goods/goods_detail_page.dart';
// import 'package:aku_community/widget/tab_bar/bee_tab_bar.dart';
class MarketPage extends StatefulWidget {
MarketPage({Key? key}) : super(key: key);
@override
_MarketPageState createState() => _MarketPageState();
}
class _MarketPageState extends State<MarketPage>
with AutomaticKeepAliveClientMixin {
List<MarketCategoryModel> _marketModels = [];
List<GoodsItem> _hotItems = [];
late EasyRefreshController _refreshController;
int _pageNum = 1;
int _size = 4;
int _pageCount=0;
Future updateMarketInfo() async {
BaseListModel baseListModel =
await NetUtil().getList(API.market.hotTop, params: {
"pageNum": _pageNum,
"size": _size,
});
if (baseListModel.tableList!.isNotEmpty) {
_hotItems = (baseListModel.tableList as List)
.map((e) => GoodsItem.fromJson(e))
.toList();
}
_pageCount= baseListModel.pageCount!;
}
Future loadMarketInfo() async {
BaseListModel baseListModel =
await NetUtil().getList(API.market.hotTop, params: {
"pageNum": _pageNum,
"size": _size,
});
if (baseListModel.tableList!.isNotEmpty) {
_hotItems.addAll((baseListModel.tableList as List)
.map((e) => GoodsItem.fromJson(e))
.toList());
}
_pageCount= baseListModel.pageCount!;
}
@override
void initState() {
super.initState();
_refreshController = EasyRefreshController();
Future.delayed(Duration(milliseconds: 0), () async {
_marketModels = await DisplayCategoryModel.top8;
await updateMarketInfo();
setState(() {});
});
}
@override
void dispose() {
_refreshController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
super.build(context);
final mediaWidth = MediaQuery.of(context).size.width;
return BeeScaffold(
leading: IconButton(
icon: Icon(CupertinoIcons.search),
onPressed: () {
Get.to(() => SearchGoodsPage());
},
),
title: '商城',
actions: [
MaterialButton(
minWidth: 108.w,
padding: EdgeInsets.zero,
onPressed: () async {
// Get.to(() => SecondHandPage());
Get.to(() => MyOrderPage());
},
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
mainAxisSize: MainAxisSize.max,
children: [
Image.asset(
R.ASSETS_ICONS_SECOND_HAND_PNG,
width: 48.w,
height: 48.w,
),
4.hb,
// '二手'.text.size(20.sp).black.make(),
'订单'.text.size(20.sp).black.make(),
],
),
),
MaterialButton(
minWidth: 108.w,
padding: EdgeInsets.zero,
onPressed: () async {
final cancel = BotToast.showLoading();
List<MarketCategoryModel> models =
await DisplayCategoryModel.fetchCategory(0);
cancel();
Get.to(() => CategoryPage(models: models));
},
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
mainAxisSize: MainAxisSize.max,
children: [
Image.asset(
R.ASSETS_ICONS_CATEGORY_PNG,
width: 48.w,
height: 48.w,
),
4.hb,
'分类'.text.size(20.sp).black.make(),
],
),
),
],
body: NestedScrollView(
headerSliverBuilder: (context, value) {
var gridItems = Material(
color: Colors.white,
clipBehavior: Clip.antiAlias,
borderRadius: BorderRadius.circular(8.w),
child: GridView(
physics: NeverScrollableScrollPhysics(),
gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
crossAxisCount: 4,
childAspectRatio: 1,
),
shrinkWrap: true,
children:
_marketModels.map((e) => CategoryCard(model: e)).toList(),
),
);
return [
SliverAppBar(
//AppBar top Widget height
//bottom height: 48
// flexibleSpace的高为 (设备宽 - 边距)/4*2 + 外边距 + bottom高 + top热搜栏
// * 热搜栏
//expandedHeight:
//(mediaWidth - 32.w * 2) / 4 * 2 + 16.w * 2 + 48 + 68.w,
//
expandedHeight: (mediaWidth - 32.w * 2) / 4 * 2 + 16.w * 2,
backgroundColor: Colors.transparent,
elevation: 0,
flexibleSpace: FlexibleSpaceBar(
background: Container(
color: Color(0xFFF9F9F9),
padding: EdgeInsets.only(
top: 16.w,
left: 32.w,
right: 32.w,
bottom: 16.w, //底部边距需要加上bottom高
),
child: Column(
children: [
// SizedBox(
// height: 58.w,
// child: Row(
// children: [
// Text(
// '热搜:',
// style: TextStyle(
// fontSize: 20.sp,
// ),
// ),
// 20.wb,
// ListView.separated(
// scrollDirection: Axis.horizontal,
// separatorBuilder: (_, __) => 20.wb,
// itemBuilder: (context, index) {
// final item = _hotItems[index];
// return MaterialButton(
// padding:
// EdgeInsets.symmetric(horizontal: 40.w),
// minWidth: 0,
// shape: StadiumBorder(
// side: BorderSide(
// color: ktextSubColor,
// width: 1,
// ),
// ),
// materialTapTargetSize:
// MaterialTapTargetSize.shrinkWrap,
// onPressed: () {
// Get.to(() => GoodsDetailPage(id: item.id));
// },
// child: Text(
// item.title,
// style: TextStyle(
// color: ktextSubColor,
// ),
// ),
// );
// },
// itemCount: _hotItems.length,
// ).expand(),
// ],
// ),
// ),
// 10.hb,
gridItems.expand(),
],
),
),
),
pinned: true,
toolbarHeight: 0,
// bottom: PreferredSize(
// child: Material(
// color: Color(0xFFF9F9F9),
// child: Align(
// alignment: Alignment.centerLeft,
// child: BeeTabBar(
// scrollable: true,
// controller: _tabController,
// tabs: ['社区商城', '二手市场'],
// ),
// ),
// ),
// preferredSize: Size.fromHeight(48),
// ),
),
];
},
body: EasyRefresh(
firstRefresh: false,
enableControlFinishLoad: false,
header: MaterialHeader(),
footer: MaterialFooter(),
controller: _refreshController,
onRefresh: () async {
_pageNum = 1;
await updateMarketInfo();
setState(() {});
},
onLoad: () async {
_pageNum++;
await loadMarketInfo();
if (_pageCount <= _pageNum) {
_refreshController.finishLoad(noMore: true);
}
setState(() {});
},
child: WaterfallFlow.builder(
gridDelegate: SliverWaterfallFlowDelegateWithFixedCrossAxisCount(
crossAxisCount: 2,
mainAxisSpacing: 20.w,
crossAxisSpacing: 20.w,
),
padding: EdgeInsets.all(32.w),
itemBuilder: (context, index) {
final item = _hotItems[index];
return GoodsCard(item: item);
},
itemCount: _hotItems.length,
),
),
),
);
}
@override
bool get wantKeepAlive => true;
}