[gnome-music] Make select button insensitive while creating New Playlist

[Vadim Rutkovsky <vrutkovsky src gnome org>]

commit acd735ec061e11d188961a35d9c242920a82877e
Author: Shivani Poddar <shivani poddar92 gmail com>
Date:   Wed Feb 19 04:57:45 2014 +0530

    Make select button insensitive while creating New Playlist
    
    https://bugzilla.gnome.org/show_bug.cgi?id=724627

 gnomemusic/widgets.py |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gnomemusic/widgets.py b/gnomemusic/widgets.py
index dd5fd67..3f5b3e5 100644
--- a/gnomemusic/widgets.py
+++ b/gnomemusic/widgets.py
@@ -679,6 +679,9 @@ class PlaylistDialog():
         _iter = self.model.get_iter(path)
         if self.model.get_value(_iter, 1):
             self.view.set_cursor(path, column, True)
+            self._select_button.set_sensitive(False)
+        else:
+            self._select_button.set_sensitive(True)
 
     def _on_editing_started(self, renderer, editable, path, data=None):
         editable.set_text('')