private void OnLogChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (_previousServerLog == null)
{
return;
}
var textView = Text.TextArea.TextView;
var needsToScroll = textView.VerticalOffset + textView.ActualHeight + 1 >= textView.DocumentHeight;
if (e.Action == NotifyCollectionChangedAction.Add)
{
Text.Document.BeginUpdate();
foreach (var item in e.NewItems.OfType <string>())
{
Text.Document.Insert(Text.Document.TextLength, "\n");
Text.Document.Insert(Text.Document.TextLength, item);
}
Text.Document.EndUpdate();
}
else
{
Text.Document.Text = _previousServerLog.JoinToString("\n");
}
if (needsToScroll)
{
Text.ScrollToEnd();
}
}