message_left_page.dart
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import 'package:flutter/material.dart';
import 'package:flutter_easyrefresh/easy_refresh.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/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';
class MessageLeftPage extends StatefulWidget {
@override
State<StatefulWidget> createState() {
// TODO: implement createState
return new MessageLeftPageState();
}
}
class MessageLeftPageState extends State<MessageLeftPage> {
EasyRefreshController _controller;
@override
void initState() {
// TODO: implement initState
super.initState();
bus.on("remove_untreated_message", (args) {
MessageModel messageModel =
Provider.of<MessageModel>(context, listen: false);
messageModel.removeUntreatedMessageByMid(args.toString());
MessageDialogModel messageDialogModel =
Provider.of<MessageDialogModel>(context, listen: false);
messageDialogModel.removeMessage(args.toString());
});
_controller = EasyRefreshController();
WidgetsBinding.instance.addPostFrameCallback((_) {
getUntreatedMessage();
});
}
//获取未处理在线预订消息
getUntreatedMessage({bool showLoading = true}) {
UserModel userModel = Provider.of<UserModel>(context, listen: false);
Map<String, String> params = {
"sid": userModel.user.sellerid,
"type_id": "10",
"status": "0",
"offset": "0",
"limit": "100",
};
MessageModel messageModel =
Provider.of<MessageModel>(context, listen: false);
messageModel.getUntreatedMsg(context, params, showLoading: showLoading);
}
@override
Widget build(BuildContext context) {
// TODO: implement build
return Consumer<MessageModel>(
builder: (context, model, _) {
if (model.unPageState != PageState.Success) {
return ExceptionPage(
pageState: model.unPageState,
callback: () {
getUntreatedMessage();
},
emptyMsg: "暂时没有未处理的消息哦",
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.untreatedMsgs[index]);
}, childCount: model.untreatedMsgs.length),
)
],
onRefresh: () async {
getUntreatedMessage(showLoading: false);
},
);
}
},
);
}
@override
void dispose() {
// TODO: implement dispose
super.dispose();
bus.off("remove_untreated_message");
}
}