cdox.gui.undo
Class RemoveBackgroundAction

java.lang.Object
  cdox.gui.undo.RemoveBackgroundAction

All Implemented Interfaces:

DoAction

public class RemoveBackgroundAction

extends java.lang.Object

implements DoAction

This class represents a remove action. Redo will remove the backgroundImage again, undo will insert it.

Version:

May 22nd 2002

Author:

Rutger Bezema, Andreas Schmitz

Constructor Summary

RemoveBackgroundAction(CDoxFrame cF, Cover c, java.lang.String oKey)
Creates a new one.

Method Summary

void	invalidate() This method invalidates the action, which typically means that the undo/redo methods do nothing.
void	redo() Removes the backgroundimage
void	undo() Inserts the backgroundimage

Methods inherited from class java.lang.Object

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

Constructor Detail

RemoveBackgroundAction

public RemoveBackgroundAction(CDoxFrame cF,
                              Cover c,
                              java.lang.String oKey)

Creates a new one.

Parameters:

cF - the CDoxFrame

c - the cover from which the backgroundImage is removed

oKey - The unique String representation to the TempFile on disk.

Method Detail

undo

public void undo()

Inserts the backgroundimage

Specified by:

undo in interface DoAction

redo

public void redo()

Removes the backgroundimage

Specified by:

redo in interface DoAction

invalidate

public void invalidate()

Description copied from interface: DoAction

This method invalidates the action, which typically means that the undo/redo methods do nothing.

Specified by:

invalidate in interface DoAction