Conditionally disabled/enables form fields based on the current
        section in the radio group

def applyStyleRules(self):
        """
        Conditionally disabled/enables form fields based on the current
        section in the radio group
        """
        for button, widget in zip(self.radioButtons, self.widgets):
            if isinstance(widget, CheckBox):
                widget.hideInput()
            if not button.GetValue(): # not checked
                widget.widget.Disable()
            else:
                widget.widget.Enable()