coupon_page.dart
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import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_easyrefresh/easy_refresh.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:one_key/constant/state.dart';
import 'package:one_key/pages/coupon/coupon_sun_page.dart';
import 'package:one_key/provider/coupon_provider.dart';
import 'package:one_key/provider/personnel_provider.dart';
import 'package:one_key/provider/user_model.dart';
import 'package:one_key/res/colors.dart';
import 'package:one_key/utils/event_bus.dart';
import 'package:one_key/route/navigator_util.dart';
import 'package:one_key/widgets/round_button.dart';
import 'package:one_key/widgets/system_app_bar.dart';
import 'package:one_key/widgets/v_empty_view.dart';
import 'package:provider/provider.dart';
import 'package:barcode_scan2/barcode_scan2.dart';
import '../../utils/dialog_util.dart';
import '../../utils/misc.dart';
import '../../utils/utils.dart';
import 'coupon_has_verification_page.dart';
/**
* 优惠券列表
*/
class CouponPage extends StatefulWidget {
final bool needRefrsh;
CouponPage({Key key, this.needRefrsh = false}) : super(key: key);
@override
_CouponPageState createState() => _CouponPageState();
}
class _CouponPageState extends State<CouponPage> with TickerProviderStateMixin {
EasyRefreshController _controller = EasyRefreshController();
CouponProvider couponProvider;
TabController tabController;
// ///获取优惠券列表数据
// _couponNetworkData(int index, {bool isShowLoading = true}) async {
// Map<String, String> params = {
// "uid": Provider.of<UserModel>(context, listen: false).user.openid,
// // 'is_time': '0'
// "is_type": index.toString()
// };
// await couponProvider.getCustomerActivity(context, params,
// isShowLoading: isShowLoading);
// }
///修改活动信息
// _setCustomerActivity(int index) async {
// Map<String, String> params = {
// "id": couponProvider.couponList[index].id,
// "status": couponProvider.couponList[index].isOpenBool ? '1' : '0'
// };
// bool isSuccess = await couponProvider.setCustomerActivity(context, params,
// isShowLoading: false);
// print(isSuccess);
// _couponNetworkData(tabController.index, isShowLoading: false);
// // if (isSuccess) {
// // couponProvider.notifyListeners();
// // } else {
// // couponProvider.couponList[index].isOpenBool =
// // !couponProvider.couponList[index].isOpenBool;
// // couponProvider.notifyListeners();
// // }
// }'
ScanResult scanResult;
var _aspectTolerance = 0.5;
// var _numberOfCameras = 0;
var _selectedCamera = -1;
var _autoEnableFlash = false;
static final _possibleFormats = BarcodeFormat.values.toList()
..removeWhere((e) => e == BarcodeFormat.unknown);
List<BarcodeFormat> selectedFormats = [..._possibleFormats];
@override
void initState() {
// TODO: implement initState
super.initState();
// Future.delayed(Duration.zero, () async {
// // _numberOfCameras = await BarcodeScanner.numberOfCameras;
// setState(() {});
// });
tabController = TabController(length: 4, vsync: this);
tabController.addListener(() {
// couponProvider.couponList = [];
// couponProvider.pageState = PageState.Loading;
// setState(() {});
//点击tab时或滑动tab回调一次
if (tabController.index.toDouble() == tabController.animation.value) {
// couponProvider.notifyListeners();
// _couponNetworkData(tabController.index);
// selectIndex = tabController.index;
// setState(() {});
}
});
WidgetsBinding.instance.addPostFrameCallback((_) {
// _couponNetworkData(0);
});
// bus.on("refresh_coupon_list_f", (arg) {
// _couponNetworkData(tabController.index);
// });
}
@override
void dispose() {
if (widget.needRefrsh) {
EventBus().emit('refresh_coupon_invitation');
} else {
EventBus().emit('changeStatusColor');
}
bus.off("refresh_coupon_list_f");
super.dispose();
}
Future<void> _scan() async {
try {
final result = await BarcodeScanner.scan(
options: ScanOptions(
strings: {'cancel': '退出', 'flash_on': '开闪光灯', 'flash_off': '关闪光灯'},
restrictFormat: selectedFormats,
useCamera: _selectedCamera,
autoEnableFlash: _autoEnableFlash, //true打开闪光灯, false关闭闪光灯
android: AndroidOptions(
aspectTolerance: 0.5, useAutoFocus: true), //(默认已配)添加Android自动对焦
),
);
// result.rawContent
setState(() => scanResult = result);
print(result);
if (result.rawContent is String) {
if (Utils.cnIsNumber(result.rawContent)) {
NavigatorUtil.goVerificationCouponPage(context, result.rawContent);
}
}
} on PlatformException catch (e) {
setState(() {
scanResult = ScanResult(
type: ResultType.Error,
rawContent: e.code == BarcodeScanner.cameraAccessDenied
? 'The user did not grant the camera permission!'
: 'Unknown error: $e',
);
if (e.code == BarcodeScanner.cameraAccessDenied) {
DialogUtil.openAlertDialog(
context, '未获得相机权限', "请在手机的权限管理里，将相机权限开启", '去设置', 340.0,
onTap: () {
openSetting();
Navigator.pop(context, '');
});
}
});
}
}
@override
Widget build(BuildContext context) {
couponProvider = Provider.of<CouponProvider>(context, listen: true);
return Scaffold(
backgroundColor: MyColours.color_f3f3f3,
appBar: SystemAppBar(
'线上券',
rightImgName: 'scan.png',
onTapRight: () {
_scan();
},
),
body: Column(
children: <Widget>[
Container(
width: double.infinity,
height: ScreenUtil().setWidth(80),
color: MyColours.color_ffffff,
padding: EdgeInsets.only(bottom: ScreenUtil().setWidth(6)),
child: TabBar(
controller: tabController,
tabs: [
Tab(
text: "全部",
),
Tab(
text: "店铺优惠券",
),
Tab(
text: "我的优惠券",
),
Tab(
text: "核销记录",
)
],
indicatorColor: MyColours.color_438E93,
indicatorSize: TabBarIndicatorSize.label,
indicatorWeight: ScreenUtil().setWidth(4),
labelColor: MyColours.color_438E93,
unselectedLabelColor: MyColours.color_999999,
labelStyle: TextStyle(
color: MyColours.color_438E93,
fontSize: ScreenUtil().setSp(28),
fontWeight: FontWeight.bold),
unselectedLabelStyle: TextStyle(
color: MyColours.color_999999,
fontSize: ScreenUtil().setSp(24),
),
)),
VEmptyView(32),
Expanded(
child: TabBarView(
controller: tabController,
children: [
ChangeNotifierProvider<PersonnelProvider>(
create: (_) => PersonnelProvider(),
child: CouponSunPage(index: 0)),
ChangeNotifierProvider<PersonnelProvider>(
create: (_) => PersonnelProvider(),
child: CouponSunPage(index: 1)),
ChangeNotifierProvider<PersonnelProvider>(
create: (_) => PersonnelProvider(),
child: CouponSunPage(index: 2)),
ChangeNotifierProvider<PersonnelProvider>(
create: (_) => PersonnelProvider(),
child: CouponHasVerificationPage()),
],
),
),
if (tabController.index != 3)
Container(
height: ScreenUtil().setWidth(91 * 2),
width: double.infinity,
padding: EdgeInsets.only(
top: ScreenUtil().setWidth(16 * 2),
bottom: ScreenUtil().setWidth(35 * 2),
left: ScreenUtil().setWidth(45 * 2),
right: ScreenUtil().setWidth(45 * 2),
),
decoration: BoxDecoration(
color: MyColours.color_ffffff,
boxShadow: [
BoxShadow(
spreadRadius: ScreenUtil().setWidth(2),
color: Color.fromRGBO(0, 0, 0, 0.1),
offset: Offset(0, ScreenUtil().setWidth(-2)),
blurRadius: ScreenUtil().setWidth(8))
],
borderRadius: BorderRadius.all(
Radius.circular(ScreenUtil().setWidth(16)),
),
),
child: RoundButton(
text: '创建新的优惠券',
height: ScreenUtil().setWidth(80),
radius: ScreenUtil().setWidth(14),
isBold: false,
fontSize: 28,
onPressed: () async {
// UserModel userModel =
// Provider.of<UserModel>(context, listen: false);
if (Utils.getAuthority(context, '创建新的优惠券')) {
NavigatorUtil.goCouponCreateSelectTypePage(context);
}
// if (userModel.user.role_name == '管理员' ||
// userModel.user.role_name == '店长') {
// NavigatorUtil.goCouponCreateSelectTypePage(context);
// }
else {
bool needRefresh =
await NavigatorUtil.goCouponEditPage(context);
print(needRefresh);
if (needRefresh != null && needRefresh) {
bus.emit('refresh_coupon_list_f');
//刷新页面数据
// _controller.callRefresh();
// _couponNetworkData(tabController.index);
}
}
},
),
)
],
),
// child: Column(
// children: [
// Expanded(child: Consumer<CouponProvider>(
// builder: (context, model, _) {
// if (model.pageState != PageState.Success) {
// return ExceptionPage(
// pageState: model.pageState,
// callback: () {
// // offset = 0;
// // getMessage(showLoading: true);
// _couponNetworkData();
// },
// emptyMsg: "暂时没有列表信息哦",
// emptyImg: "empty_search",
// showMsg: "加载中，请稍后...",
// );
// } else {
// return EasyRefresh.custom(
// controller: _controller,
// shrinkWrap: true,
// slivers: [
// SliverList(
// delegate: SliverChildBuilderDelegate(
// (BuildContext context, int index) {
// return Container(
// margin:
// EdgeInsets.all(ScreenUtil().setWidth(40)),
// padding:
// EdgeInsets.all(ScreenUtil().setWidth(30)),
// color: MyColours.color_F0F0F0,
// child: Text(
// '使用说明：需在结账前出示优惠券二维码，店内工作人员微信扫码核销。超过有效期的券，会自动作废并移出列表。优惠券不可找零、兑现。',
// style: TextStyle(
// color: MyColours.color_666666,
// fontSize: ScreenUtil().setSp(24),
// ),
// strutStyle: StrutStyle(
// forceStrutHeight: true,
// height: 1,
// leading: 0.3),
// ));
// }, childCount: 1),
// ),
// SliverList(
// delegate: SliverChildBuilderDelegate(
// (BuildContext context, int index) {
// return CouponItem(
// from: 'quan',
// couponSonModel:
// couponProvider.couponList[index],
// showBtn: true,
// onPressedSwich: () {
// couponProvider.couponList[index].isOpenBool =
// !couponProvider
// .couponList[index].isOpenBool;
// _setCustomerActivity(index);
// },
// onPressed: () {
// NavigatorUtil.goCouponDetailPage(context,
// couponProvider.couponList[index]);
// },
// );
// }, childCount: couponProvider.couponList.length),
// )
// ],
// // onRefresh: () async {
// // // offset = 0;
// // // getMessage(showLoading: false);
// // },
// // onLoad: () async {
// // // offset++;
// // // getMessage(showLoading: false);
// // },
// );
// }
// },
// )),
// VEmptyView(20),
// Padding(
// padding: EdgeInsets.fromLTRB(ScreenUtil().setWidth(40), 0,
// ScreenUtil().setWidth(40), ScreenUtil().setWidth(40)),
// child: RoundButton(
// onPressed: () async {
// bool needRefresh =
// await NavigatorUtil.goCouponEditPage(context);
// print(needRefresh);
// if (needRefresh != null && needRefresh) {
// //刷新页面数据
// // _controller.callRefresh();
// _couponNetworkData();
// }
// },
// text: '创建新券',
// fontSize: 34,
// isBold: false,
// height: ScreenUtil().setWidth(80),
// width: double.infinity,
// radius: ScreenUtil().setWidth(10),
// ))
// ],
// )
);
}
}