message_order_page.dart
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import 'package:common_utils/common_utils.dart';
import 'package:flutter/material.dart';
import 'package:flutter_easyrefresh/easy_refresh.dart';
import 'package:flutter_screenutil/screenutil.dart';
import 'package:one_key/constant/state.dart';
import 'package:one_key/pages/message/messsage_item.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';
/**
* 提前点餐消息
*/
class MessageOrderPage extends StatefulWidget {
@override
State<StatefulWidget> createState() {
// TODO: implement createState
return new MessageOrderPageState();
}
}
class MessageOrderPageState extends State<MessageOrderPage> {
EasyRefreshController _controller;
Color selectedColor = MyColours.color_199095;
Color unSelectedColor = MyColours.color_999999;
int selectedIndex = 0;
int offset = 0; //当前页数
@override
void initState() {
// TODO: implement initState
super.initState();
_controller = EasyRefreshController();
WidgetsBinding.instance.addPostFrameCallback((_) {
getMessages();
});
}
//获取消息
getMessages({bool showLoading = true}) {
UserModel userModel = Provider.of<UserModel>(context, listen: false);
Map<String, String> params = {
"sid": userModel.user.sellerid,
"type_id": "1",
"status": selectedIndex.toString(),
"offset": offset.toString(),
"limit": "20",
};
MessageModel messageModel =
Provider.of<MessageModel>(context, listen: false);
messageModel.getMessages(context, params, showLoading: showLoading);
}
@override
Widget build(BuildContext context) {
// TODO: implement build
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;
getMessages();
});
},
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;
getMessages();
});
},
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;
getMessages();
},
emptyMsg: "暂时没有${selectedIndex==0?'未处理':'已处理'}的提前点餐消息哦",
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;
getMessages(showLoading: false);
},
onLoad: ()async{
offset++;
getMessages(showLoading: false);
},
);
}
},
),
)
],
),
);
}
}