Sets the column type for this widget to the inputed type value.
        This will reset the widget to use one of the plugins for editing the
        value of the column.
        
        :param      columnType | <orb.ColumnType>

def setColumnType( self, columnType ):
        """
        Sets the column type for this widget to the inputed type value.
        This will reset the widget to use one of the plugins for editing the
        value of the column.
        
        :param      columnType | <orb.ColumnType>
        """
        if ( columnType == self._columnType ):
            return False
        
        self._columnType = columnType
        self.rebuild()
        return True