Return whether or not this layer is enabled and can be set as the \
        current layer.
        
        :sa     linkEnabledToCurrent
        
        :return     <bool>

def isEnabled(self):
        """
        Return whether or not this layer is enabled and can be set as the \
        current layer.
        
        :sa     linkEnabledToCurrent
        
        :return     <bool>
        """
        
        if self._linkEnabledToCurrent:
            addtl = self.isCurrent()
        else:
            addtl = True
        
        return self._enabled and addtl