// 批量删除选中的歌曲
public void DeleteSelectedSongs()
{
ObservableCollection <Song> songsInList = SongsInList[ClickedListName];
foreach (Song song in SelectedSongs)
{
SongsInClickedList.Remove(song);
songsInList.Remove(song);
DBManager.DeleteSong(ClickedListName, song);
}
UpdateNumberInList(ClickedListName);
SelectedSongs.Clear();
}
// 用户点击一个歌单后，设置展示数据源
public void SetClickedList(string name)
{
SongsInClickedList.Clear();
foreach (Song song in SongsInList[name])
{
SongsInClickedList.Add(song);
}
if (ClickedListName != name)
{
ClickedListName = name;
isClickedListChanged = true;
}
}
