gov.nih.nlm.mms
Class EnableFilterUndoHandler

java.lang.Object
  gov.nih.nlm.mms.EnableFilterUndoHandler

All Implemented Interfaces:

UndoHandler

public class EnableFilterUndoHandler
extends Object
implements UndoHandler

Handles the undo operation for an enable or disable filter action.

Author:

Deborah Shapiro

Constructor Summary

EnableFilterUndoHandler(MetamorphoSysGUI gui)
Instantiates an EnableFilterUndoHandler for the specified gui.

Method Summary

String	getTitle() Returns the title for the undo menu item.
void	undo(Object o1, Object o2) Performs the undo operation and prepares the redo stack.

Methods inherited from class java.lang.Object

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

Constructor Detail

EnableFilterUndoHandler

public EnableFilterUndoHandler(MetamorphoSysGUI gui)

Instantiates an EnableFilterUndoHandler for the specified gui.

Parameters:

gui - the MetamorphoSysGUI

Method Detail

getTitle

public String getTitle()

Returns the title for the undo menu item.

Specified by:

getTitle in interface UndoHandler

Returns:

the title for the undo menu item

undo

public void undo(Object o1,
                 Object o2)

Performs the undo operation and prepares the redo stack.

Specified by:

undo in interface UndoHandler

Parameters:

o1 - the previous set of active filters

o2 - the current set of active filters