private void OnLogMessagesCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (logGridView == null || logGridView.ItemsSource == null || LogMessages == null)
{
return;
}
if (e.Action == NotifyCollectionChangedAction.Reset)
{
FilteredLogMessages.Clear();
}
else
{
// Only apply filter if there's any new displayable messages
bool refreshFilter = false;
if (e.OldItems != null)
{
refreshFilter = e.OldItems.OfType <ILogMessage>().Any(IsMessageVisible);
}
if (!refreshFilter && e.NewItems != null)
{
refreshFilter = e.NewItems.OfType <ILogMessage>().Any(IsMessageVisible);
}
if (refreshFilter)
{
ApplyFilters();
}
}
}
private void ApplyFilters()
{
if (logGridView == null || logGridView.ItemsSource == null || LogMessages == null)
{
return;
}
FilteredLogMessages.Clear();
FilteredLogMessages.AddRange(LogMessages.Where(IsMessageVisible));
}