protected MessageViewModel(Message message)
{
this.Message = message;
if (message.User != null)
this.User = new UserViewModel(message.User);
this.ID = message.ID;
}
public MessageViewModel BuildFor(Message message)
{
if (builders.ContainsKey(message.Type))
{
return builders[message.Type](message);
}
return new UnknownMessageViewModel(message);
}
public UploadMessageViewModel(Message message)
: base(message)
{
uploadObject = message.Room.GetUploadObject(message.ID);
}
private MessageViewModel AddMessageViewModel(Message msg)
{
MessageViewModel mvm = null;
this.dispatcher.Invoke(() =>
{
var messages = this.Messages.Where(m => m is MessageGroupViewModel).Cast<MessageGroupViewModel>().SelectMany(mg => mg.Messages);
if (messages.Any(m => m.ID == msg.ID)) return;
lock (Messages)
{
if (Messages.Count() > 100) // todo: make this configurable
Messages.Remove(Messages.First());
mvm = this.messageViewModelFactory.BuildFor(msg);
if (mvm is TextMessageViewModel || mvm is PasteMessageViewModel)
{
if (Messages.Any() && Messages.Last() is MessageGroupViewModel &&
((MessageGroupViewModel)Messages.Last()).Messages.First().User.ID == mvm.User.ID)
{
((MessageGroupViewModel)Messages.Last()).Messages.Add(mvm);
}
else
{
var mgvm = new MessageGroupViewModel(mvm.User);
mgvm.Messages.Add(mvm);
Messages.Add(mgvm);
}
}
else
{
Messages.Add(mvm);
}
}
});
return mvm;
}
public SoundMessageViewModel(Message message)
: base(message)
{
}
public MessageEventArgs(Message message)
{
this.Message = message;
}
public KickMessageViewModel(Message message)
: base(message)
{
}
public TextMessageViewModel(Message message)
: base(message)
{
this.Text = message.Body;
}
public UnlockMessageViewModel(Message message)
: base(message)
{
}
public LeaveMessageViewModel(Message message)
: base(message)
{
}
public TimestampMessageViewModel(Message message)
: base(message)
{
}
public UnknownMessageViewModel(Message message)
: base(message)
{
//this.User = new UserViewModel(message.User);
this.Message = string.Format("Unkown Message Type: {0} Contents: {1}", message.Type, message.Body);
}
public SystemMessageViewModel(Message message)
: base(message)
{
}
public AdvertisementMessageViewModel(Message message)
: base(message)
{
}
public TopicChangeMessageViewModel(Message message)
: base(message)
{
}
public DisallowGuestsMessageViewModel(Message message)
: base(message)
{
}
private void AddMessage(Message m)
{
IMessageViewModel msg;
// This would be a great opportunity for refactoring
// for polymorphism >.< There's a lot of copy/paste
// between these different view models.
switch (m.Type)
{
case MessageType.Text:
msg = new MessageViewModel(m.User.Name, m.Body, m.User.ID == room.Site.GetMe().ID);
break;
case MessageType.Timestamp:
msg = new TimeStampMessageViewModel(m.CreatedAt);
break;
case MessageType.Enter:
case MessageType.Leave:
msg = new RosterMessageViewModel(m.User.Name, m.Type);
if (m.Type == MessageType.Enter)
{
if (!users.Any(u => u.ID == m.User.ID))
users.Add(m.User);
}
else
{
users.RemoveRange(users.Where(u => u.ID == m.User.ID).ToList());
}
break;
case MessageType.Paste:
msg = new PasteMessageViewModel(m.User.Name, m.Body, m.User.ID == room.Site.GetMe().ID);
break;
default:
return;
}
dispatcher.BeginInvoke((ThreadStart) (() => {
messages.Add(msg);
view.MessageScroller.ScrollToBottom();
}));
}
public IdleMessageViewModel(Message message)
: base(message)
{
}
public MessageReceivedMessage(Message message)
{
this.Message = message;
}
public PasteMessageViewModel(Message message)
: base(message)
{
}
public EnterMessageViewModel(Message message)
: base(message)
{
User = new UserViewModel(message.User);
}