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492 lines
17 KiB
492 lines
17 KiB
import 'package:dio/dio.dart'; |
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import 'package:flutter/cupertino.dart'; |
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import 'package:flutter/material.dart'; |
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import 'package:flutter_easyloading/flutter_easyloading.dart'; |
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import 'package:flutter_smart_dialog/flutter_smart_dialog.dart'; |
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import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart'; |
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import 'package:huixiang/home/help_farmers/farmers_tab.dart'; |
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import 'package:huixiang/retrofit/retrofit_api.dart'; |
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import 'package:huixiang/view_widget/classic_header.dart'; |
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import 'package:flutter_screenutil/flutter_screenutil.dart'; |
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import 'package:huixiang/view_widget/my_footer.dart'; |
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import 'package:pull_to_refresh/pull_to_refresh.dart'; |
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import 'package:shared_preferences/shared_preferences.dart'; |
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import 'package:shimmer/shimmer.dart'; |
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import '../../generated/l10n.dart'; |
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import '../../retrofit/data/base_data.dart'; |
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import '../../retrofit/data/farmers_list.dart'; |
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import '../../utils/flutter_utils.dart'; |
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import '../../utils/font_weight.dart'; |
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import '../../view_widget/custom_image.dart'; |
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import '../../view_widget/my_tab.dart'; |
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import '../../view_widget/no_data_view.dart'; |
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class HelpFarmersPage extends StatefulWidget { |
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@override |
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State<StatefulWidget> createState() { |
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return _HelpFarmersPage(); |
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} |
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} |
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class _HelpFarmersPage extends State<HelpFarmersPage> { |
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ApiService apiService; |
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final RefreshController refreshController = RefreshController(); |
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List<FarmersList> farmersList = []; |
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int tabIndex = 0; |
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int networkStatus = 0; |
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String dataErrorText = ""; |
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@override |
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void initState() { |
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super.initState(); |
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SharedPreferences.getInstance().then((value) => { |
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apiService = ApiService( |
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Dio(), |
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context: context, |
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token: value.getString('token'), |
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showLoading: true |
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), |
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queryConfig(), |
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}); |
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} |
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///助农列表 |
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queryConfig() async { |
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try{ |
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if (apiService == null) { |
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SharedPreferences value = await SharedPreferences.getInstance(); |
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apiService = ApiService( |
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Dio(), |
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context: context, |
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token: value.getString("token"), |
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); |
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} |
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BaseData<List<FarmersList>> baseData = |
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await apiService.getConfig().catchError((error) { |
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SmartDialog.showToast(AppUtils.dioErrorTypeToString(error.type), |
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alignment: Alignment.center); |
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networkStatus = -1; |
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refreshController.refreshFailed(); |
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}); |
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if (baseData != null && baseData.isSuccess) { |
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farmersList.clear(); |
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farmersList.addAll(baseData.data); |
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refreshController.refreshCompleted(); |
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networkStatus= 1; |
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} else { |
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refreshController.refreshFailed(); |
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dataErrorText = baseData.msg ?? ""; |
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networkStatus=2; |
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} |
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}finally{ |
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setState(() {}); |
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EasyLoading.dismiss(); |
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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 Scaffold( |
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backgroundColor: Colors.transparent, |
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body: networkStatus == 0 ?recommendSm(): |
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(networkStatus == 2 ?Container( |
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color: Colors.white, |
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child: NoDataView( |
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src: "assets/image/xiao_fei.webp", |
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isShowBtn: false, |
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text: dataErrorText, |
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fontSize: 16.sp, |
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margin: EdgeInsets.only(top: 120.h, left: 60.w, right: 60.w), |
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) |
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):NestedScrollView( |
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headerSliverBuilder: (context, inner) { |
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return [ |
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SliverAppBar( |
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pinned: true, |
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backgroundColor: Colors.white, |
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elevation: 0, |
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leading: GestureDetector( |
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onTap: () { |
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Navigator.of(context).pop(); |
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}, |
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child: Container( |
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alignment: Alignment.centerRight, |
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margin: EdgeInsets.only(left: 10.w), |
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padding: EdgeInsets.all(6), |
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child: Icon( |
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Icons.arrow_back_ios, |
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color: Colors.white, |
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size: 24, |
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), |
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), |
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), |
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///去掉返回按钮 |
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// automaticallyImplyLeading: false, |
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centerTitle: true, |
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flexibleSpace: FlexibleSpaceBar( |
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background: MImage( |
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(farmersList.isNotEmpty)?farmersList[tabIndex]?.agriculturaListImg : "", |
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fit: BoxFit.fill, |
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width: double.infinity, |
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height: 354.h, |
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errorSrc: "assets/image/default_1.webp", |
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fadeSrc: "assets/image/default_1.webp", |
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)), |
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expandedHeight: 354.h, |
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bottom: PreferredSize( |
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preferredSize: Size(double.infinity, 0), |
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child: DefaultTabController( |
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length: farmersList.length, |
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child: Container( |
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alignment: Alignment.center, |
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decoration: BoxDecoration( |
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borderRadius: BorderRadius.vertical( |
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top: Radius.circular(16), |
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), |
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color: Color(0xFF32A060), |
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), |
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padding: EdgeInsets.only(top:7.h,bottom: 7.h), |
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child: TabBar( |
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isScrollable: true, |
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//可滚动 |
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indicatorColor: Colors.white, |
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labelColor: Colors.white, |
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labelStyle: TextStyle( |
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fontSize: 16.sp, |
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fontWeight: FontWeight.bold, |
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), |
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unselectedLabelStyle: TextStyle( |
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fontSize: 14.sp, |
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fontWeight: MyFontWeight.regular, |
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), |
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indicator: FarmersTab(), |
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// controller: tabController, |
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//未选中文字颜色 |
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unselectedLabelColor: Colors.white, |
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indicatorSize: TabBarIndicatorSize.label, |
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//指示器与文字等宽 |
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tabs: farmersList == null |
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? [] |
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: farmersList |
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.map((e) => MyTab(text: e.typeName)) |
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.toList(), |
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onTap: (index) { |
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// queryConfig("AgriculturalList"); |
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tabIndex = index; |
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queryConfig(); |
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setState(() {}); |
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}, |
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), |
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), |
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), |
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), |
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), |
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]; |
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}, |
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body: recommend(), |
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)), |
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); |
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} |
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///为你推荐 |
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Widget recommend() { |
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return Container( |
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color: Colors.white, |
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padding: EdgeInsets.symmetric(horizontal: 10.w), |
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child: (farmersList.isNotEmpty && farmersList[tabIndex].goodList.length == 0) |
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? NoDataView( |
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src: "assets/image/xiao_fei.webp", |
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isShowBtn: false, |
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text: "当前分类暂无商品", |
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fontSize: 16.sp, |
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margin: EdgeInsets.only(top: 120.h, left: 60.w, right: 60.w), |
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) |
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: StaggeredGridView.countBuilder( |
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crossAxisCount: 2, |
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shrinkWrap: true, |
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itemCount: (farmersList != null && farmersList.isNotEmpty) ? farmersList[tabIndex].goodList.length : 0, |
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mainAxisSpacing: 10, |
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crossAxisSpacing: 10, |
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physics: BouncingScrollPhysics(), |
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itemBuilder: (context, position) { |
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return GestureDetector( |
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onTap: () { |
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Navigator.of(context) |
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.pushNamed('/router/shop_details_page', arguments: { |
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"id": farmersList[tabIndex].goodList[position].id, |
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"storeId": farmersList[tabIndex].goodList[position].storeId, |
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}); |
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}, |
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child: recommendItem(farmersList[tabIndex].goodList[position]), |
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); |
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}, |
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staggeredTileBuilder: (position) { |
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return StaggeredTile.fit(1); |
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}, |
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), |
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); |
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} |
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Widget recommendItem(GoodList goodList) { |
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return Container( |
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width: 173, |
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decoration: BoxDecoration( |
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borderRadius: BorderRadius.circular(6), |
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boxShadow: [ |
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BoxShadow( |
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color: Color(0x1A213303), |
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offset: Offset(0, 2), |
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blurRadius: 4, |
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spreadRadius: 0, |
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) |
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], |
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color: Colors.white, |
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), |
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child: Column( |
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crossAxisAlignment: CrossAxisAlignment.start, |
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children: [ |
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MImage( |
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goodList.productImg ?? "", |
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fit: BoxFit.fill, |
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width:double.infinity, |
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height: 174, |
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radius: BorderRadius.only( |
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topLeft: Radius.circular(6), |
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topRight: Radius.circular(6), |
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), |
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errorSrc: "assets/image/default_1.webp", |
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fadeSrc: "assets/image/default_1.webp", |
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), |
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Padding( |
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padding: EdgeInsets.only(top: 7.h, left: 10.w, bottom: 8.h), |
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child: Text( |
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goodList?.productName ?? "", |
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maxLines: 2, |
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overflow: TextOverflow.ellipsis, |
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style: TextStyle( |
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fontSize: 14.sp, |
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height: 1.3.h, |
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fontWeight: MyFontWeight.medium, |
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color: Color(0xFF0D0D0D), |
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), |
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), |
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), |
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Padding( |
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padding: EdgeInsets.only(left: 10.w, bottom: 12.h), |
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child:Row( |
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children: [ |
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Text( |
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AppUtils.calculateDouble(double.tryParse(goodList?.price) ?? 0), |
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style: TextStyle( |
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fontSize:24.sp, |
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fontFamily: 'APPHT', |
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fontWeight: MyFontWeight.medium, |
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color: Color(0xFF32A060), |
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), |
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), |
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Container( |
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margin: EdgeInsets.only(left: 8.w), |
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padding: EdgeInsets.symmetric(vertical:3.h,horizontal: 9.w), |
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decoration: BoxDecoration( |
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borderRadius: BorderRadius.circular(100), |
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boxShadow: [ |
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BoxShadow( |
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color: Color(0x1A213303), |
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offset: Offset(0, 2), |
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blurRadius: 4, |
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spreadRadius: 0, |
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) |
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], |
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color: Color(0xFF32A060), |
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), |
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child: |
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Text( |
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S.of(context).zhunongjifen, |
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style: TextStyle( |
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fontSize:12.sp, |
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fontWeight: MyFontWeight.medium, |
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color: Colors.white, |
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), |
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), |
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) |
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], |
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), |
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), |
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], |
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), |
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); |
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} |
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Widget recommendSm() { |
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return Container( |
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width: double.infinity, |
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decoration: BoxDecoration( |
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color: Colors.white, |
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borderRadius: BorderRadius.all(Radius.circular(6)), |
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boxShadow: [ |
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BoxShadow( |
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color: Colors.black.withAlpha(25), |
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offset: Offset(0, 1), |
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blurRadius: 12, |
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spreadRadius: 0, |
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) |
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]), |
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child: Column( |
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crossAxisAlignment: CrossAxisAlignment.start, |
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children: [ |
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Shimmer.fromColors( |
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baseColor: Color(0XFFD8D8D8), |
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highlightColor: Color(0XFFD8D8D8), |
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child: Container( |
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color: Color(0XFFD8D8D8), |
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width: double.infinity, |
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height:289.h, |
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), |
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), |
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Row( |
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children: [ |
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Padding( |
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padding: EdgeInsets.only(left: 6.w, bottom: 5.h, top: 12.h), |
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child: Shimmer.fromColors( |
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baseColor: Color(0XFFD8D8D8), |
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highlightColor: Color(0XFFD8D8D8), |
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child: Container( |
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decoration: BoxDecoration( |
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color: Color(0XFFD8D8D8), |
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borderRadius: BorderRadius.circular(2), |
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), |
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width:64.w, |
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height: 20.h, |
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), |
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), |
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), |
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Padding( |
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padding: EdgeInsets.only(left: 12.w, bottom: 5.h, top: 12.h), |
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child: Shimmer.fromColors( |
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baseColor: Color(0XFFD8D8D8), |
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highlightColor: Color(0XFFD8D8D8), |
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child: Container( |
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decoration: BoxDecoration( |
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color: Color(0XFFD8D8D8), |
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borderRadius: BorderRadius.circular(2), |
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), |
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width: 64.w, |
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height: 20.h, |
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), |
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), |
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), |
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Padding( |
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padding: EdgeInsets.only(left: 12.w, bottom: 5.h, top: 12.h), |
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child: Shimmer.fromColors( |
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baseColor: Color(0XFFD8D8D8), |
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highlightColor: Color(0XFFD8D8D8), |
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child: Container( |
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decoration: BoxDecoration( |
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color: Color(0XFFD8D8D8), |
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borderRadius: BorderRadius.circular(2), |
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), |
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width: 64.w, |
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height: 20.h, |
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), |
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), |
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), |
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Padding( |
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padding: EdgeInsets.only(left: 12.w, bottom: 5.h, top: 12.h), |
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child: Shimmer.fromColors( |
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baseColor: Color(0XFFD8D8D8), |
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highlightColor: Color(0XFFD8D8D8), |
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child: Container( |
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decoration: BoxDecoration( |
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color: Color(0XFFD8D8D8), |
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borderRadius: BorderRadius.circular(2), |
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), |
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width: 64.w, |
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height: 20.h, |
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), |
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), |
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), |
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], |
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), |
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Expanded(child: ListView.builder( |
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itemCount: 10, |
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physics: BouncingScrollPhysics(), |
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shrinkWrap: true, |
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itemBuilder: (context, position) { |
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return GestureDetector( |
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onTap: () {}, |
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child: Column( |
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crossAxisAlignment: CrossAxisAlignment.start, |
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children: [ |
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Shimmer.fromColors( |
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baseColor: Color(0XFFD8D8D8), |
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highlightColor: Color(0XFFD8D8D8), |
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child: Container( |
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margin:EdgeInsets.symmetric(horizontal:6.w), |
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decoration: BoxDecoration( |
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color: Color(0XFFD8D8D8), |
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borderRadius: BorderRadius.circular(2), |
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), |
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height: 174.h, |
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), |
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), |
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Padding( |
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padding: EdgeInsets.only(top: 7.h, left: 10.w, bottom: 8.h), |
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child: Shimmer.fromColors( |
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baseColor: Color(0XFFD8D8D8), |
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highlightColor: Color(0XFFD8D8D8), |
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child: Container( |
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decoration: BoxDecoration( |
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color: Color(0XFFD8D8D8), |
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borderRadius: BorderRadius.circular(2), |
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), |
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width:106.w, |
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height: 20.h, |
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), |
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), |
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), |
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Padding( |
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padding: EdgeInsets.only(left: 10.w, bottom: 12.h), |
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child:Row( |
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children: [ |
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Shimmer.fromColors( |
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baseColor: Color(0XFFD8D8D8), |
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highlightColor: Color(0XFFD8D8D8), |
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child: Container( |
|
decoration: BoxDecoration( |
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color: Color(0XFFD8D8D8), |
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borderRadius: BorderRadius.circular(2), |
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), |
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width: 166.w, |
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height: 20.h, |
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), |
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), |
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Spacer(), |
|
Shimmer.fromColors( |
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baseColor: Color(0XFFD8D8D8), |
|
highlightColor: Color(0XFFD8D8D8), |
|
child: Container( |
|
margin: EdgeInsets.only(right: 10.w), |
|
decoration: BoxDecoration( |
|
color: Color(0XFFD8D8D8), |
|
borderRadius: BorderRadius.circular(100), |
|
), |
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width: 86.w, |
|
height: 25.h, |
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), |
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), |
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], |
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), |
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), |
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], |
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), |
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); |
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}, |
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)), |
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], |
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), |
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); |
|
} |
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}
|
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