jimm.datavision.gui.cmd
Class DeleteAggregateCommand

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

All Implemented Interfaces:

Command, Nameable

public class DeleteAggregateCommand
extends AbstractAggregateCommand

A command for deleting a aggregate to a field from 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

DeleteAggregateCommand(Report report, FieldWidget fw, FieldWidget aggregateWidget, java.lang.String funcName, Group group)
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

DeleteAggregateCommand

public DeleteAggregateCommand(Report report,
                              FieldWidget fw,
                              FieldWidget aggregateWidget,
                              java.lang.String funcName,
                              Group group)

Constructor.

Parameters:

report - the report containing the field and the aggregate

fw - the field widget from which we are deleting the aggregate

aggregateWidget - the aggregate's field widget

funcName - current function of aggregate, in case we undo

group - if null, the aggregate is deleted from the report footer; else the aggregate is deleted from the group's footer.

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