[pitivi] ui.sourcelist: Don't load a new project which isn't "ready"

[Edward Hervey <edwardrv src gnome org>]

commit ac8c91c2a7aa37bd17ff4cabeb93dfd2704caa1c
Author: Edward Hervey <bilboed bilboed com>
Date:   Tue Apr 21 15:51:41 2009 +0200

    ui.sourcelist: Don't load a new project which isn't "ready"
    
    This happens with formatters that require discoverer to be run on its
    sources.
---
 pitivi/ui/sourcelist.py |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/pitivi/ui/sourcelist.py b/pitivi/ui/sourcelist.py
index 2ebd576..e6eca4c 100644
--- a/pitivi/ui/sourcelist.py
+++ b/pitivi/ui/sourcelist.py
@@ -657,9 +657,14 @@ class SourceList(gtk.VBox, Loggable):
         self.storemodel.clear()
         self._connectToProject(project)
         # synchronize the storemodel with the new project's sourcelist
-        for uri, factory in project.sources:
-            self.log("loading uri %s", uri)
-            self._addFactory(factory)
+        if project.loaded:
+            for uri, factory in project.sources:
+                self.log("loading uri %s", uri)
+                self._addFactory(factory)
+        else:
+            if not self.infostub.showing:
+                self.pack_start(self.infostub, expand=False)
+                self.infostub.startingImport()
 
     def _newProjectFailedCb(self, unused_pitivi, unused_reason,
         unused_uri):