public bool FilesFilter(object item)
{
if (item is FileViewModel fi)
{
var visible = ExtensionsFilters.Count == 0 || ExtensionsFilters.Contains(fi.Extension);
visible &= string.IsNullOrEmpty(FilenameFilter) || fi.Name.ToLowerInvariant().Contains(FilenameFilter);
return(visible);
}
return(false);
}
private void FileExtensionButton_Click(object sender, RoutedEventArgs e)
{
// hide others with unselected extension
if (sender is ToggleButton tb && tb.Content is string ext)
{
if (tb.IsChecked == true)
{
if (!ExtensionsFilters.Contains(ext))
{
ExtensionsFilters.Add(ext);
}
}
else
{
ExtensionsFilters.Remove(ext);
}
FilesView.Refresh();
}
}