private async Task RemoveFilterEntriesAsync(Regex regex, ProgressDialogController controller)
{
var removeMessage = "Removing entry...";
await Task.Run(() =>
{
var toRemove = DisplayedSongs
.Where(x => !regex.IsMatch(x.Name))
.ToList();
controller.Minimum = 0;
controller.Maximum = toRemove.Count;
for (int i = 0; i < toRemove.Count; i++)
{
var currentItemNumber = i + 1;
Application.Current.Dispatcher.Invoke(() =>
{
DisplayedSongs.Remove(toRemove[i]);
});
controller.SetProgress(currentItemNumber);
controller.SetMessage(String.Format("{0} ({1}/{2})", removeMessage, currentItemNumber, toRemove.Count));
}
});
}
// ---------- EventAggregator
private void RemoveSongFromSongList(int index)
{
var toRemove = DisplayedSongs.ElementAt(index);
DisplayedSongs.Remove(toRemove);
this.songs.Remove(toRemove);
this.UpdateSongIndices();
// Reset view.
if (!DisplayedSongs.Any())
{
DisplayedSongs = null;
}
}
