code: def getInitialArguments(self):
          
          ic = IColumn(self.currentSortColumn)
          return [ic.attributeID.decode('ascii'),
                  self._getColumnList(),
                  self.isAscending]
docs: Return the constructor arguments required for the JavaScript client class,
          Mantissa.ScrollTable.ScrollTable.
  
          @return: a 3-tuple of::
  
            - The unicode attribute ID of my current sort column
            - A list of dictionaries with 'name' and 'type' keys which are
              strings describing the name and type of all the columns in this
              table.
            - A bool indicating whether the sort direction is initially
              ascending.