refs #7364
Change-Id: I3850429ed8a75b375f4f7f63b23bf95d9bf8e81f
Decorates the given label with the name of the UI column which the label is for and the index of this label within its parenting INodeContext.
Returns the decorated Label
"""
- decorateLabel :: LabelDecorator -> String -> String -> Integer -> <Proc> String
+ decorateLabel :: LabelDecorator -> String -> String -> Integer -> <Proc> Maybe String
decorateForeground :: LabelDecorator -> a -> String -> Integer -> <Proc> a
decorateBackground :: LabelDecorator -> a -> String -> Integer -> <Proc> a
decorateFont :: LabelDecorator -> Maybe a -> String -> Integer -> <Proc> Maybe a