message_online_check_page.dart
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import 'package:flutter/material.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/message/messsage_item.dart';
import 'package:one_key/provider/message_dialog_model.dart';
import 'package:one_key/provider/message_model.dart';
import 'package:one_key/provider/user_model.dart';
import 'package:one_key/res/colors.dart';
import 'package:one_key/widgets/page_error.dart';
import 'package:one_key/widgets/page_exception.dart';
import 'package:provider/provider.dart';
import 'package:one_key/utils/event_bus.dart';
/**
* 在线买单消息
*/
class MessageOnlineCheckPage extends StatefulWidget {
@override
State<StatefulWidget> createState() {
// TODO: implement createState
return new MessageOnlineCheckPageState();
}
}
class MessageOnlineCheckPageState extends State<MessageOnlineCheckPage> {
EasyRefreshController _controller;
Color selectedColor = MyColours.color_199095;
Color unSelectedColor = MyColours.color_999999;
int selectedIndex = 0;
int offset = 0;
MessageModel messageModel;
UserModel userModel;
MessageDialogModel messageDialogModel;
@override
void initState() {
// TODO: implement initState
super.initState();
//移除在线买单消息
// bus.on("remove_untreated_message_check", (args) {
// messageModel.removeUntreatedMessageByMid(args.toString());
// messageDialogModel.removeMessage(args.toString());
// });
_controller = EasyRefreshController();
WidgetsBinding.instance.addPostFrameCallback((_) {
// getMessage();
// setState(() {
// messageModel.pageState = PageState.Loading;
// });
messageModel.pageState = PageState.Loading;
messageModel.notifyListeners();
});
}
@override
void dispose() {
// TODO: implement dispose
super.dispose();
// bus.off("remove_untreated_message_check");
}
//三种分类各自的未读消息数目
_getUnMsgNum() async {
Map<String, String> params = {"sid": userModel.user.sellerid};
await messageModel.getUnMsgNum(context, params);
}
//获取在线预订消息status 0未处理 1已处理
getMessage({bool showLoading = true}) async {
Map<String, String> params = {
"sid": userModel.user.sellerid,
"type_id": "12", //1提前点餐 2内部预订 10在线预订 12在线买单
"status": selectedIndex.toString(),
"offset": offset.toString(),
"limit": "20",
};
await messageModel.getMessages(context, params, showLoading: showLoading);
_getUnMsgNum();
}
@override
Widget build(BuildContext context) {
messageModel = Provider.of<MessageModel>(context, listen: true);
userModel = Provider.of<UserModel>(context, listen: false);
messageDialogModel =
Provider.of<MessageDialogModel>(context, listen: false);
return Container(
color: MyColours.color_f5f5f5,
child: Column(
children: [
Container(
width: double.infinity,
height: ScreenUtil().setWidth(84),
color: MyColours.color_ffffff,
child: Row(
children: [
Expanded(
child: GestureDetector(
behavior: HitTestBehavior.opaque,
onTap: () {
if (selectedIndex == 0) return;
setState(() {
selectedIndex = 0;
messageModel.messages = [];
});
getMessage(showLoading: true);
},
child: Center(
child: Text(
"未处理",
style: TextStyle(
color: selectedIndex == 0
? selectedColor
: unSelectedColor,
fontSize: ScreenUtil().setSp(30)),
),
))),
Expanded(
child: GestureDetector(
behavior: HitTestBehavior.opaque,
onTap: () {
if (selectedIndex == 1) return;
setState(() {
selectedIndex = 1;
messageModel.messages = [];
});
getMessage(showLoading: true);
},
child: Center(
child: Text(
"已处理",
style: TextStyle(
color: selectedIndex == 1
? selectedColor
: unSelectedColor,
fontSize: ScreenUtil().setSp(30)),
),
)))
],
),
),
Expanded(
child: Consumer<MessageModel>(
builder: (context, model, _) {
if (model.pageState != PageState.Success) {
return ExceptionPage(
pageState: model.pageState,
callback: () {
offset = 0;
getMessage(showLoading: true);
},
emptyMsg:
"暂时没有${selectedIndex == 0 ? '未处理' : '已处理'}的在线买单消息哦",
emptyImg: "empty_search",
showMsg: "加载中，请稍后...",
);
} else {
return EasyRefresh.custom(
controller: _controller,
slivers: [
SliverList(
delegate: SliverChildBuilderDelegate(
(BuildContext context, int index) {
return MessageItem(
model.messages[index],
isTreated: selectedIndex == 1,
);
}, childCount: model.messages.length),
)
],
onRefresh: () async {
offset = 0;
getMessage(showLoading: false);
},
onLoad: () async {
offset++;
getMessage(showLoading: false);
},
);
}
},
),
)
],
),
);
}
}