cdox.gui.undo
Class RemoveAction

java.lang.Object
  cdox.gui.undo.RemoveAction

All Implemented Interfaces:

DoAction

public class RemoveAction

extends java.lang.Object

implements DoAction

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

Version:

May 16th 2002

Author:

Rutger Bezema, Andreas Schmitz

Constructor Summary

RemoveAction(Element e, Cover c)
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 element.
void	undo() Inserts the element.

Methods inherited from class java.lang.Object

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

Constructor Detail

RemoveAction

public RemoveAction(Element e,
                    Cover c)

Creates a new one.

Parameters:

e - the element that is removed.

c - the cover from which the element is removed.

Method Detail

undo

public void undo()

Inserts the element.

Specified by:

undo in interface DoAction

redo

public void redo()

Removes the element.

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