E2EEChat/lib/view/user_chat.dart

import 'dart:async';

import 'package:dash_chat/dash_chat.dart';
import 'package:e2ee_chat/common/global.dart';
import 'package:e2ee_chat/model/message.dart';
import 'package:e2ee_chat/model/user.dart';
import 'package:e2ee_chat/presenter/login.dart';
import 'package:e2ee_chat/presenter/user_chat.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '';

class UserChatView extends StatefulWidget {
  UserChatView();

  @override
  _UserChatViewState createState() => _UserChatViewState();
}

class _UserChatViewState extends State<UserChatView> {
  final GlobalKey<DashChatState> _chatViewKey = GlobalKey<DashChatState>();
  final _presenter = UserChatPresenter();

  @override
  void initState() {
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    final String? to = ModalRoute.of(context)?.settings.arguments.toString();
    if (to != null) {
      _presenter.to = User(to);
    }
    assert(_presenter.to != null, "error! user chat view to == null!");
    return ChangeNotifierProvider<UserChatPresenter>(
        create: (context) => _presenter,
        child: Scaffold(
          appBar: AppBar(
            title: Text("Chat App"),
          ),
          body: Builder(builder: (context) {
            final presenter = Provider.of<UserChatPresenter>(context);
            final List<ChatMessage> messages = presenter.chatMessages;
            final user = presenter.from!.toChatUser();
            return DashChat(
              key: _chatViewKey,
              inverted: false,
              onSend: (message) {
                debug(message.toJson());
                presenter.sendMessage(message);
              },
              sendOnEnter: true,
              textInputAction: TextInputAction.send,
              user: user,
              inputDecoration: InputDecoration.collapsed(hintText: "Add message here..."),
              dateFormat: DateFormat('yyyy-MMM-dd'),
              timeFormat: DateFormat('HH:mm'),
              messages: messages,
              showUserAvatar: false,
              showAvatarForEveryMessage: false,
              scrollToBottom: false,
              onPressAvatar: (ChatUser user) {
                print("OnPressAvatar: ${user.name}");
              },
              onLongPressAvatar: (ChatUser user) {
                print("OnLongPressAvatar: ${user.name}");
              },
              inputMaxLines: 5,
              messageContainerPadding: EdgeInsets.only(left: 5.0, right: 5.0),
              alwaysShowSend: true,
              inputTextStyle: TextStyle(fontSize: 16.0),
              inputContainerStyle: BoxDecoration(
                border: Border.all(width: 0.0),
                color: Colors.white,
              ),
              onLoadEarlier: () {
                print("laoding...");
              },
              shouldShowLoadEarlier: false,
              showTraillingBeforeSend: true,
            );
          }),
        ));
  }
}