jimm.datavision.gui.cmd
Class NewAggregateCommand

java.lang.Object
  jimm.datavision.gui.cmd.CommandAdapter
      jimm.datavision.gui.cmd.AbstractAggregateCommand
          jimm.datavision.gui.cmd.NewAggregateCommand

All Implemented Interfaces:

Command, Nameable

public class NewAggregateCommand
extends AbstractAggregateCommand

A command for adding a aggregate to a field for a particular section.

Author:

Jim Menard, jimm@io.com

Field Summary

Fields inherited from class jimm.datavision.gui.cmd.AbstractAggregateCommand

aggregateWidget, fieldWidget, functionName, group, report

Fields inherited from class jimm.datavision.gui.cmd.CommandAdapter

name

Constructor Summary

NewAggregateCommand(Report report, FieldWidget fw, Group group, java.lang.String functionName)
Constructor.

Method Summary

void	perform() Performs the command.
void	undo() Undoes the command.

Methods inherited from class jimm.datavision.gui.cmd.AbstractAggregateCommand

createAggregate, deleteAggregate, getAggregateWidget

Methods inherited from class jimm.datavision.gui.cmd.CommandAdapter

getName, redo, setName

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NewAggregateCommand

public NewAggregateCommand(Report report,
                           FieldWidget fw,
                           Group group,
                           java.lang.String functionName)

Constructor.

Parameters:

report - the report containing the field and the aggregate

fw - the field widget to which we are adding a aggregate

group - if null, the aggregate is added to the report footer; else the aggregate is added to the first section in the group's footer.

functionName - the aggregate function name

Method Detail

perform

public void perform()

Description copied from class: CommandAdapter

Performs the command. The default implementation does nothing.

Specified by:

perform in interface Command

Overrides:

perform in class CommandAdapter

undo

public void undo()

Description copied from class: CommandAdapter

Undoes the command. The default implementation does nothing.

Specified by:

undo in interface Command

Overrides:

undo in class CommandAdapter