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