private void InitializePlaylistContent()
{
TracksViewModel tracksVM = new TracksViewModel(PlaylistCollection.GetPlaylist(Properties.Settings.Default.LastSelectedPlaylistGUID));
TrackListsViewModel trackListsVM = lb_PlaylistMenu.DataContext as TrackListsViewModel;
if (trackListsVM == null)
{
throw new Exception("Failed to cast object");
}
lv_Playlist.DataContext = tracksVM;
if (trackListsVM.CurrentPlaylist != null)
{
lv_Playlist.ItemsSource = trackListsVM.CurrentPlaylist.Soundtracks as IEnumerable <TrackInfo>;
tracksVM.UpdateSoundtracks(trackListsVM.CurrentPlaylist);
}
else
{
lv_Playlist.ItemsSource = null;
}
// Bind event for updating content of view-model of lb_PlaylistMenu
tracksVM.PlaylistIsUpdatedEvent += (lb_PlaylistMenu.DataContext as TrackListsViewModel).UpdateTrackList;
// Update trackQueue
tracksVM.PlaylistIsUpdatedEvent += OnPlaylistIsUpdated;
}
// TODO: add a parameter: get prev/next
private TrackInfo GetTrack(MusicPlayer player, Guid listGUID,
int selectedTrackIndex = -1, PlaybackMode mode = PlaybackMode.None, bool selectNext = true)
{
if (lb_PlaylistMenu.Items.Count == 0)
{
throw new EmptyPlaylistException("No tracklist is avalible");
}
try
{
// If no playlist is selected (user click btn_StartPlayback to play music)
TracksViewModel tracksVM = lv_Playlist.DataContext as TracksViewModel;
listGUID = (listGUID == Guid.Empty) ? tracksVM.TracklistGUID : listGUID;
if (mode == PlaybackMode.None)
{
throw new Exception("Invalid playback mode");
}
return(selectNext ? player.GetTrack(listGUID, selectedTrackIndex, mode) : player.GetPrevTrack(listGUID, selectedTrackIndex, mode));
}
catch
{
throw;
}
}
private void txtEditBox_LostFocus(object sender, RoutedEventArgs e)
{
ListBoxItem lbi = ((TextBox)sender).TemplatedParent as ListBoxItem;
string result = SwitchEditingMode(lbi, false);
Guid targetGUID = (lb_PlaylistMenu.SelectedItem as Playlist).GUID;
if (result != oriPlaylistName)
{
TrackListsViewModel trackListsVM = lb_PlaylistMenu.DataContext as TrackListsViewModel;
trackListsVM.UpdatePlaylistName(targetGUID, result);
TracksViewModel tracksVM = lv_Playlist.DataContext as TracksViewModel;
tracksVM.UpdatePlaylistInfo(targetGUID, result);
lb_PlaylistMenu.UpdateLayout();
}
oriPlaylistName = ""; // Reset
}
private void lv_Playlist_KeyDown(object sender, KeyEventArgs e)
{
if (e.Key == Key.Delete && lv_Playlist.SelectedItems.Count != 0)
{
TracksViewModel tracksVM = lv_Playlist.DataContext as TracksViewModel;
List <TrackInfo> tracks = lv_Playlist.SelectedItems.OfType <TrackInfo>().ToList();
// Stop player if selected track is playing
foreach (TrackInfo track in lv_Playlist.SelectedItems)
{
if (track.TrackStatus == TrackStatus.Playing)
{
StopPlayerRequestEvent();
}
}
tracksVM.RemoveTracks();
}
}
public void SetTrackStatus(TrackStatusEventArgs e)
{
// Check
if (e == null || e.Index == -1)
{
return;
}
TracksViewModel tracksVM = lv_Playlist.DataContext as TracksViewModel;
TrackListsViewModel trackListsVM = lb_PlaylistMenu.DataContext as TrackListsViewModel;
// TODO: try to rewrite this
Playlist pl = trackListsVM.TrackLists.First(x => x.GUID == e.OwnerListGUID);
pl.Soundtracks.Find(x => x.GUID == e.Track.GUID).TrackStatus = e.Track.TrackStatus;
if (pl.GUID == e.OwnerListGUID)
{
tracksVM.UpdateTrackStatus(e);
}
}
private void RefreshPlaylistContent()
{
TracksViewModel tracksVM = lv_Playlist.DataContext as TracksViewModel;
if (tracksVM == null)
{
return;
}
TrackListsViewModel trackListsVM = lb_PlaylistMenu.DataContext as TrackListsViewModel;
if (trackListsVM == null)
{
return;
}
Playlist pl = trackListsVM.CurrentPlaylist;
if (pl == null)
{
lv_Playlist.Visibility = Visibility.Hidden;
return;
}
tracksVM.UpdatePlaylistInfo(pl);
tracksVM.UpdateSoundtracks(pl);
lv_Playlist.ItemsSource = tracksVM.Soundtracks as IEnumerable <TrackInfo>;
// Update info
Properties.Settings.Default.LastSelectedPlaylistGUID = pl.GUID;
Properties.Settings.Default.Save();
// Show playing track
if (lb_PlaylistMenu.SelectedItem != null && ListContentIsRefreshedEvent != null)
{
if (Properties.Settings.Default.TaskPlaylistGUID == pl.GUID)
{
tracksVM.UpdateTrackStatus(ListContentIsRefreshedEvent());
}
}
}
