/// <summary>
/// SimpleView Constructor
/// </summary>
public SongViewModel(Song song, LibraryViewModel parent)
: base(
data: song,
parent: parent,
lazyLoadChildren: true)
{
Recording = null;
}
/// <summary>
/// ClassicView & AlbumView Constructor
/// </summary>
public SongViewModel(Recording recording, bool isHome, LibraryViewModel parent)
: base(
data: recording.Song,
parent: parent,
lazyLoadChildren: true)
{
_isHome = isHome;
Recording = recording;
}
public LibraryViewModel(BaseData data, LibraryViewModel parent, bool lazyLoadChildren)
{
Data = data;
Parent = parent;
if (lazyLoadChildren)
{
Children.Add(DummyChild);
}
}
private IEnumerable <BaseData> ExtractContextAndIDs(MenuAction option)
{
IEnumerable <LibraryViewModel> selectedItems =
ClassicTreeView.SelectedItems.OfType <LibraryViewModel>();
LibraryContext context = LibraryContext.MAX;
if (selectedItems.Count() > 0)
{
LibraryViewModel firstSelectedItem = selectedItems.First();
if (firstSelectedItem is ArtistViewModel)
{
context = LibraryContext.Artist;
}
else if (firstSelectedItem is AlbumViewModel)
{
context = LibraryContext.Album;
}
else if (firstSelectedItem is SongViewModel)
{
switch (option)
{
case MenuAction.Play:
case MenuAction.Add:
context = LibraryContext.Song;
break;
case MenuAction.Lyrics:
case MenuAction.Tags:
case MenuAction.Edit:
context = LibraryContext.Track;
break;
default:
throw new ArgumentException($"Unexpected MenuAction: {option}");
}
}
else if (firstSelectedItem is RecordingViewModel)
{
context = LibraryContext.Recording;
}
if (context == LibraryContext.Track)
{
return(selectedItems.Cast <SongViewModel>().Select(x => x.Recording));
}
else
{
return(selectedItems.Select(x => x.Data));
}
}
return(null);
}
private IEnumerable <BaseData> ExtractContextAndData(
MenuAction option,
ViewMode overrideMode = ViewMode.MAX)
{
IEnumerable <LibraryViewModel> selectedItems =
GetSelectedItems(overrideMode).OfType <LibraryViewModel>();
LibraryContext context = LibraryContext.MAX;
if (selectedItems.Count() > 0)
{
LibraryViewModel firstSelectedItem = selectedItems.First();
if (firstSelectedItem is ArtistViewModel artist)
{
context = LibraryContext.Artist;
}
else if (firstSelectedItem is AlbumViewModel album)
{
context = LibraryContext.Album;
}
else if (firstSelectedItem is SongViewModel song)
{
switch (option)
{
case MenuAction.Play:
case MenuAction.Add:
context = LibraryContext.Song;
break;
case MenuAction.Lyrics:
case MenuAction.Tags:
case MenuAction.Edit:
if (song.Recording != null)
{
context = LibraryContext.Track;
}
else
{
context = LibraryContext.Song;
}
break;
default:
throw new ArgumentException($"Unexpected MenuAction: {option}");
}
}
else if (firstSelectedItem is RecordingViewModel recording)
{
context = LibraryContext.Recording;
}
if (context == LibraryContext.Track)
{
return(selectedItems.Cast <SongViewModel>().Select(x => x.Recording));
}
else
{
return(selectedItems.Select(x => x.Data));
}
}
return(new List <BaseData>());
}