def get_editor ( self, trait ):
        from traitsui.api import EnumEditor

        return EnumEditor( values   = self,
                           cols     = trait.cols and 3,
                           evaluate = trait.evaluate,
                           mode     = trait.mode or 'radio' )

#-------------------------------------------------------------------------------
#  'TraitPrefixList' class:
#-------------------------------------------------------------------------------
dataset/ETHPy150Open enthought/traits/traits/trait_handlers.py/TraitEnum.get_editor/operator `or` -> `and`