[longomatch] Don't expand/collapse playlists row after drags

[Andoni Morales Alastruey <amorales src gnome org>]

commit 8d6bcfc82e9c825ce4fa07df4e8a1f49a54b951c
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Wed Feb 11 15:39:41 2015 +0100

    Don't expand/collapse playlists row after drags

 LongoMatch.GUI/Gui/TreeView/PlayListTreeView.cs |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)
---
diff --git a/LongoMatch.GUI/Gui/TreeView/PlayListTreeView.cs b/LongoMatch.GUI/Gui/TreeView/PlayListTreeView.cs
index 90161e1..022b752 100644
--- a/LongoMatch.GUI/Gui/TreeView/PlayListTreeView.cs
+++ b/LongoMatch.GUI/Gui/TreeView/PlayListTreeView.cs
@@ -38,6 +38,7 @@ namespace LongoMatch.Gui.Component
                TreePath pathClicked;
                Playlist dragSourcePlaylist;
                IPlaylistElement dragSourceElement;
+               bool dragStarted;
 
                public PlayListTreeView ()
                {
@@ -320,12 +321,13 @@ namespace LongoMatch.Gui.Component
                        Selection.GetSelected (out selectedIter);
                        FillElementAndPlaylist (selectedIter, out dragSourcePlaylist,
                                                out dragSourceElement);
+                       dragStarted = true;
                        base.OnDragBegin (context);
                }
 
                protected override bool OnButtonReleaseEvent (Gdk.EventButton evnt)
                {
-                       if (pathClicked != null) {
+                       if (pathClicked != null && !dragStarted) {
                                if (GetRowExpanded (pathClicked)) {
                                        CollapseRow (pathClicked);
                                } else {
@@ -335,6 +337,12 @@ namespace LongoMatch.Gui.Component
                        }
                        return base.OnButtonReleaseEvent (evnt);
                }
+               
+               protected override void OnDragEnd (DragContext context)
+               {
+                       base.OnDragEnd (context);
+                       dragStarted = false;
+               }
 
                protected override bool OnKeyPressEvent (Gdk.EventKey evnt)
                {