FondleTalk/lib/tools/message/message_page.dart

import 'dart:async';

import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/material.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:flutter_slidable/flutter_slidable.dart';
import 'package:talk/beans/message_bean.dart';
import 'package:talk/tools/message/message_model.dart';

import '../chat/chat_page.dart';

///消息列表
class MessagePage extends StatefulWidget {
  const MessagePage({super.key});

  @override
  State<MessagePage> createState() => _MessagePageState();
}

class _MessagePageState extends State<MessagePage> {
  List<MessageBean> messageList = [];

  late StreamSubscription subscription;

  final MessageModel _viewmodel = MessageModel();

  @override
  void initState() {
    // TODO: implement initState
    super.initState();

    subscription = _viewmodel.streamController.stream.listen((newData) {
      String code = newData['code'];
      if (code.isNotEmpty) {
        switch (code) {
          case "getChatHistoryList":
            messageList = newData['data'];
            break;
          default:
            EasyLoading.dismiss();
            EasyLoading.showToast(newData['data']);
            break;
        }
        EasyLoading.dismiss();
        setState(() {});
      }
    });

    loadData();
  }

  loadData() {
    EasyLoading.show(status: 'loading...');
    _viewmodel.getChatHistoryList();
  }

  @override
  void dispose() {
    // TODO: implement dispose
    subscription.cancel();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Color(0xFF121213),
      body: Stack(
        children: [
          Column(
            children: [
              Container(
                margin: EdgeInsets.only(top: MediaQuery.of(context).padding.top + 9, left: 16, right: 16),
                alignment: Alignment.centerLeft,
                child: Text(
                  '消息列表',
                  style: TextStyle(color: Color(0xFFFF9000), fontSize: 16),
                ),
              ),
              Expanded(
                  child: Container(
                padding: EdgeInsets.only(bottom: 60),
                child: SlidableAutoCloseBehavior(
                  child: ListView.builder(
                      itemCount: messageList.length,
                      itemBuilder: (BuildContext context, int index) {
                        return _item(messageList[index], context);
                      }),
                ),
              ))
            ],
          )
        ],
      ),
    );
  }

  _item(MessageBean data, BuildContext context) {
    return Slidable(
      //左滑划出的菜单
      endActionPane: ActionPane(
        key: Key(UniqueKey().toString()),
        // 菜单宽度
        extentRatio: 0.3,
        dragDismissible: false,
        // 滑动动效
        // DrawerMotion() StretchMotion()
        // motion: ScrollMotion(),
        // A pane can dismiss the Slidable.
        motion: BehindMotion(),
        children: [
          SlidableAction(
            onPressed: doNothing(context, data.id),
            backgroundColor: Color(0xFFFF9000),
            foregroundColor: Colors.black,
            label: '删除',
          ),
        ],
      ),

      child: GestureDetector(
        behavior: HitTestBehavior.opaque,
        onTap: () {
          Navigator.push(
            context,
            MaterialPageRoute(
                builder: (context) => ChatPage(
                      characterId: data.id.toString(),
                    )),
          );
        },
        child: Container(
          height: 50,
          margin: EdgeInsets.only(bottom: 10),
          child: Stack(
            alignment: Alignment.center,
            children: [
              ///头像
              Positioned(
                left: 16,
                child: ClipOval(
                  child: CachedNetworkImage(
                    width: 40,
                    height: 40,
                    imageUrl: data.iconImage!,
                    errorWidget: (context, url, error) => const Icon(Icons.error),
                  ),
                ),
              ),
              Positioned(
                  left: 68,
                  top: 6,
                  child: Text(
                    data.name!,
                    style: TextStyle(fontSize: 13, color: Color(0xFFE1E1E1)),
                  )),
              Positioned(
                  left: 68,
                  top: 25,
                  child: Container(
                    width: 160,
                    child: Text(
                      '你好',
                      maxLines: 1,
                      overflow: TextOverflow.ellipsis,
                      style: TextStyle(fontSize: 12, color: Color(0xFF777777)),
                    ),
                  )),
              Positioned(
                  right: 16,
                  top: 6,
                  child: Container(
                    child: Text(
                      '12:39',
                      style: TextStyle(fontSize: 10, color: Color(0xFF8D8D8D)),
                    ),
                  )),
            ],
          ),
        ),
      ),
    );
  }
}

doNothing(BuildContext context, id) {
  // EasyLoading.showToast("删除");
}