public ChatViewModel()
{
dialogService = new DialogService();
currentRoom = new RoomModel();
listMessageModel = ListMessageModel.GetInstance();
sendersTyping = new ObservableCollection <string>();
socket = SocketAPI.GetInstance().GetSocket();
SendTextMessageCommand = new DelegateCommand(SendMessage);
ItemSelectedCommand = new DelegateCommand <RoomModel>(HandleItemSelected);
TypingCommand = new DelegateCommand <TextBox>(HandleTyping);
ChangeImageCommand = new DelegateCommand(ChangeImage);
SignOutCommand = new DelegateCommand(SignOut);
DisplayTyping = "Hidden";
userInfo = UserInfo.GetInstance();
HandleSocket();
}
// method
private void HandleSelectedItem(RoomModel obj)
{
currentRoom = obj;
//emit to server to get message
socket.Emit("room_change", obj.ID);
int index = ListRoomModel.GetInstance().GetIndexByValue("ID", obj.ID);
ListRoomModel.GetInstance().List[index].DisplayNewMessage = "Hidden";
ListRoomModel.GetInstance().List[index].NotifyChanged("DisplayNewMessage");
ListRoomModel.GetInstance().NotifyChanged("List");
//clear data in list message
ListMessageModel.GetInstance().Clear();
// clear list task
ListTaskModel.GetInstance().Clear();
}