private void UpdateSongListBase(PlatformData data)
{
SongListItem item;
foreach (FormatData song in data.GetChanges(false))
{
SongData songdata = song.Song;
item = null;
foreach (ListViewItem songitem in SongList.Items)
{
SongListItem songtag = songitem.Tag as SongListItem;
if (songtag.SongID == songdata.ID)
{
item = songtag;
break;
}
}
if (item == null)
{
ListViewItem listitem = new ListViewItem("");
listitem.Tag = new SongListItem(listitem, song, songdata);
SongList.Items.Add(listitem);
}
else
{
item.AddData(song, songdata);
}
}
foreach (FormatData song in data.GetChanges(true))
{
foreach (ListViewItem songitem in SongList.Items)
{
item = songitem.Tag as SongListItem;
if (item != null && item.HasData(song))
{
item.RemoveData(song);
if (!item.HasData())
{
SongList.Items.Remove(songitem);
}
break;
}
}
}
}