Sets the operator type value to the inputed type.
        
        :param      opeartorType | <Q.Op>

def setOperatorType( self, operatorType ):
        """
        Sets the operator type value to the inputed type.
        
        :param      opeartorType | <Q.Op>
        """
        op_name = Q.Op[operatorType]
        op_name = projex.text.joinWords(op_name, ' ').lower()
        self.setText(1, op_name)