private void SetMessage(Message p, Brush color)
{
var pair = new SpecialPairViewModel(p.From, p.To);
if (!_messages.ContainsKey(pair))
{
_messages[pair] = new ObservableCollection <MessageViewModel>();
}
var collection = _messages[pair];
var messageViewModel = new MessageViewModel
{
Name = p.From.Name,
Text = p.Text,
Color = color
};
collection.Add(messageViewModel);
MessagesList.SelectedIndex = collection.Count - 1;
}
public MessageListBox(IEventAggregator eventAggregator)
: this()
{
_eventAggregator = eventAggregator;
_eventAggregator.GetEvent <MessageReceivedEvent>().Subscribe(p =>
{
SetMessage(p, Brushes.DeepSkyBlue);
}, ThreadOption.UIThread, true);
_eventAggregator.GetEvent <MessageSentEvent>().Subscribe(m =>
{
SetMessage(m, Brushes.DeepPink);
}, ThreadOption.UIThread, true);
_eventAggregator.GetEvent <SelectUserEvent>().Subscribe(u =>
{
var specialPair = new SpecialPairViewModel(u, _me);
if (!_messages.ContainsKey(specialPair))
{
_messages[specialPair] = new ObservableCollection <MessageViewModel>();
}
var collection = _messages[specialPair];
MessagesList.ItemsSource = collection;
MessagesList.SelectedIndex = collection.Count - 1;
}, ThreadOption.UIThread, true);
_eventAggregator.GetEvent <ConnectedToServerEvent>().Subscribe(c =>
{
if (c?.Me != null)
{
_me = c.Me;
}
}, ThreadOption.UIThread, true);
}
