[banshee] [ThickClient] Prevent SourceView DnD NREs just introduced

[Gabriel Burt <gburt src gnome org>]

commit 0017e6cb41ca7973bb9c15ea31dc9a655230e5ee
Author: Gabriel Burt <gabriel burt gmail com>
Date:   Thu Oct 14 13:26:54 2010 -0500

    [ThickClient] Prevent SourceView DnD NREs just introduced

 .../Banshee.Sources.Gui/SourceRowRenderer.cs       |    2 +-
 .../Banshee.Sources.Gui/SourceView_DragAndDrop.cs  |    1 +
 2 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/Core/Banshee.ThickClient/Banshee.Sources.Gui/SourceRowRenderer.cs b/src/Core/Banshee.ThickClient/Banshee.Sources.Gui/SourceRowRenderer.cs
index 3faeb3b..6e96ee0 100644
--- a/src/Core/Banshee.ThickClient/Banshee.Sources.Gui/SourceRowRenderer.cs
+++ b/src/Core/Banshee.ThickClient/Banshee.Sources.Gui/SourceRowRenderer.cs
@@ -178,7 +178,7 @@ namespace Banshee.Sources.Gui
             // Draw the expander if the source has children
             double exp_h = (cell_area.Height - 2.0*Ypad) / 3.2;
             double exp_w = exp_h * 1.6;
-            if (view != null && view.Cr != null && source.Children.Count > 0) {
+            if (view != null && view.Cr != null && source.Children != null && source.Children.Count > 0) {
                 var r = new Gdk.Rectangle (x, cell_area.Y + (int)((cell_area.Height - exp_h) / 2.0), (int)exp_w, (int)exp_h);
                 view.Theme.DrawArrow (view.Cr, r, source.Expanded ? Math.PI/2.0 : 0.0);
             }
diff --git a/src/Core/Banshee.ThickClient/Banshee.Sources.Gui/SourceView_DragAndDrop.cs b/src/Core/Banshee.ThickClient/Banshee.Sources.Gui/SourceView_DragAndDrop.cs
index e36149d..a5a9a31 100644
--- a/src/Core/Banshee.ThickClient/Banshee.Sources.Gui/SourceView_DragAndDrop.cs
+++ b/src/Core/Banshee.ThickClient/Banshee.Sources.Gui/SourceView_DragAndDrop.cs
@@ -137,6 +137,7 @@ namespace Banshee.Sources.Gui
 
             store.SetValue (new_playlist_iter, 0, NewPlaylistSource);
             store.SetValue (new_playlist_iter, 1, 999);
+            store.SetValue (new_playlist_iter, 2, SourceModel.EntryType.Source);
             new_playlist_visible = true;
 
             UpdateView ();