1 files changed, 14 insertions, 2 deletions
diff --git a/tutorius/properties.py b/tutorius/properties.py
index cbb2ae3..a675ba9 100644
--- a/tutorius/properties.py
+++ b/tutorius/properties.py
@@ -19,12 +19,12 @@ TutoriusProperties have the same behaviour as python properties (assuming you
 also use the TPropContainer), with the added benefit of having builtin dialog
 prompts and constraint validation.
 """
+from copy import copy
 
-from sugar.tutorius.constraints import Constraint, \
+from .constraints import Constraint, \
         UpperLimitConstraint, LowerLimitConstraint, \
         MaxSizeConstraint, MinSizeConstraint, \
         ColorConstraint, FileConstraint, BooleanConstraint, EnumConstraint
-from copy import copy
 
 class TPropContainer(object):
     """
@@ -310,6 +310,8 @@ class TUAMProperty(TutoriusProperty):
 
         self.type = "uam"
 
+        self.default = self.validate(value)
+
 class TAddonProperty(TutoriusProperty):
     """
     Reprensents an embedded tutorius Addon Component (action, trigger, etc.)
@@ -331,6 +333,16 @@ class TAddonProperty(TutoriusProperty):
             return super(TAddonProperty, self).validate(value)
         raise ValueError("Expected TPropContainer instance as TaddonProperty value")
 
+class TEventType(TutoriusProperty):
+    """
+    Represents an GUI signal for a widget.
+    """
+    def __init__(self, value):
+        super(TEventType, self).__init__()
+        self.type = "gtk-signal"
+
+        self.default = self.validate(value)
+
 class TAddonListProperty(TutoriusProperty):
     """
     Reprensents an embedded tutorius Addon List Component.