protected void HeadlinesOpen()
{
try
{
HeadlinesWindow headlinesWindow = new HeadlinesWindow();
HeadlinesChat headlinesChat = new HeadlinesChat();
foreach (HeadlineMessage message in Database.GetHeadlines(Settings.Default.UI_MaxHistoryMessages))
{
headlinesChat.Messages.Add(message);
}
headlinesWindow.DataContext = headlinesChat;
headlinesWindow.Show();
headlinesWindow.Activate();
}
catch (WindowExistsException e)
{
e.ActivateControl();
}
Notification.DismissNotificationType(typeof(EventHeadlineMessage));
}
private void Conversation_Unloaded(object sender, RoutedEventArgs e)
{
Notification.NegotiateAddNotification -= Notification_NegotiateAddNotification;
Loaded -= Headlines_Loaded;
_inlineSearch.Loaded -= _inlineSearch_Loaded;
PreviewKeyDown += Conversation_PreviewKeyDown;
_flowViewer.PreviewKeyDown -= _flowViewer_PreviewKeyDown;
_headlinesChat.Messages.CollectionChanged -= Messages_CollectionChanged;
_headlinesChat = null;
_inlineMethod.Finished -= _inlineMethod_Finished;
_inlineSearch.TextChanged -= _inlineSearch_TextChanged;
_inlineSearch.Closed -= _inlineSearch_Closed;
Notification.NegotiateAddNotification -= Notification_NegotiateAddNotification;
Unloaded -= Conversation_Unloaded;
}
private void Headlines_Loaded(object sender, RoutedEventArgs e)
{
_headlinesChat = (HeadlinesChat)DataContext;
PreviewKeyDown += Conversation_PreviewKeyDown;
_flowViewer.PreviewKeyDown += _flowViewer_PreviewKeyDown;
_headlinesChat.Messages.CollectionChanged += Messages_CollectionChanged;
_inlineMethod.Finished += _inlineMethod_Finished;
_inlineSearch.TextChanged += _inlineSearch_TextChanged;
_inlineSearch.Closed += _inlineSearch_Closed;
Notification.NegotiateAddNotification += Notification_NegotiateAddNotification;
Unloaded += Conversation_Unloaded;
ScrollToBottom(true);
}
