[pitivi] Partially fix the undo/redo functionality of medialibrary

[Jean-FranÃois Fortin Tam <jfft src gnome org>]

commit cc5dfe63a2cde6ab55c0739c04de14360460a97e
Author: Jean-FranÃois Fortin Tam <nekohayo gmail com>
Date:   Mon Nov 5 16:17:39 2012 -0500

    Partially fix the undo/redo functionality of medialibrary
    
    This makes the basics work again by connecting to the propre method,
    but many issues remain (ex: adding/removing multiple clips simultaneously).

 pitivi/undo/medialibrary.py |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/pitivi/undo/medialibrary.py b/pitivi/undo/medialibrary.py
index 1033c2f..ce3d1c7 100644
--- a/pitivi/undo/medialibrary.py
+++ b/pitivi/undo/medialibrary.py
@@ -32,7 +32,7 @@ class MediaLibrarySourceAddedAction(UndoableAction):
         self._undone()
 
     def do(self):
-        self.medialibrary.addDiscovererInfo(self.source)
+        self.medialibrary.addUris(self.source.get_uri())
         self._done()
 
 
@@ -43,11 +43,11 @@ class MediaLibrarySourceRemovedAction(UndoableAction):
         self.source = source
 
     def undo(self):
-        self.medialibrary.addDiscovererInfo(self.source)
+        self.medialibrary.addUris(self.source.get_uri())
         self._undone()
 
     def do(self):
-        self.medialibrary.removeUri(self.source.uri)
+        self.medialibrary.removeUri(self.source.get_uri())
         self._done()