[kupfer] higherorder: Use commandexec functions

[Ulrik Sverdrup <usverdrup src gnome org>]

commit c60066a3067cbdfa48de5c25952d5c5ce97d2a8f
Author: Ulrik Sverdrup <ulrik sverdrup gmail com>
Date:   Tue Jan 12 16:09:00 2010 +0100

    higherorder: Use commandexec functions

 kupfer/plugin/higherorder.py |   12 ++++--------
 1 files changed, 4 insertions(+), 8 deletions(-)
---
diff --git a/kupfer/plugin/higherorder.py b/kupfer/plugin/higherorder.py
index 4e37299..8ceac92 100644
--- a/kupfer/plugin/higherorder.py
+++ b/kupfer/plugin/higherorder.py
@@ -28,15 +28,11 @@ class Select (Action):
 def _exec_no_show_result(composedleaf):
 	pretty.print_debug(__name__, "Evaluating command", composedleaf)
 	obj, action, iobj = composedleaf.object
-	if iobj is None:
-		ret = action.activate(obj)
-	else:
-		ret = action.activate(obj, iobj)
-	if not ret:
-		return None
-	if action.has_result():
+	ret = commandexec.activate_action(*composedleaf.object)
+	result_type = commandexec.parse_action_result(action, ret)
+	if result_type == commandexec.RESULT_OBJECT:
 		return ret
-	elif action.is_factory():
+	if result_type == commandexec.RESULT_SOURCE:
 		try:
 			return iter(ret.get_leaves()).next()
 		except StopIteration: