code: def reset(self):
          
          ttype = self.tableType()
          if ( not ttype ):
              return False
          
          values = self.saveValues()
          self.setRecord(ttype())
          restore_values = {}
          for column in self.savedColumnsOnReset():
              if column in restore_values:
                  restore_values[column] = values[column]
          if restore_values:
              self.loadValues(restore_values)
          
          return True
docs: Resets this widget's data to a new class an reinitializes.  This method
          needs to have a table type defined for this widget to work.
          
          :sa     setTableType, tableType
          
          :return     <bool> | success