1 files changed, 21 insertions, 0 deletions
diff --git a/src/sugar/tutorius/actions.py b/src/sugar/tutorius/actions.py
index 7681dea..2c76bd7 100644
--- a/src/sugar/tutorius/actions.py
+++ b/src/sugar/tutorius/actions.py
@@ -229,3 +229,24 @@ class ChainAction(Action):
         for act in reversed(self._actions):
             act.undo()
 
+class DisableWidgetAction(Action):
+    def __init__(self, target):
+        """Constructor
+        @param target target treeish
+        """
+        Action.__init__(self)
+        self._target = target
+        self._widget = None
+
+    def do(self):
+        """Action do"""
+        os = ObjectStore()
+        if os.activity:
+            self._widget = gtkutils.find_widget(os.activity, self._target)
+            if self._widget:
+                self._widget.set_sensitive(False)
+
+    def undo(self):
+        """Action undo"""
+        if self._widget:
+            self._widget.set_sensitive(True)