com.exigen.ie.constrainer.Undoable Maven / Gradle / Ivy
package com.exigen.ie.constrainer;
///////////////////////////////////////////////////////////////////////////////
/*
* Copyright Exigen Group 1998, 1999, 2000
* 320 Amboy Ave., Metuchen, NJ, 08840, USA, www.exigengroup.com
*
* The copyright to the computer program(s) herein
* is the property of Exigen Group, USA. All rights reserved.
* The program(s) may be used and/or copied only with
* the written permission of Exigen Group
* or in accordance with the terms and conditions
* stipulated in the agreement/contract under which
* the program(s) have been supplied.
*/
///////////////////////////////////////////////////////////////////////////////
/**
* An interface for the undoable object.
*/
public interface Undoable extends ConstrainerObject
{
/**
* Returns true if undo operation was performed.
*/
public boolean undone();
/**
* Sets 'undone' state for this undoable object.
*/
public void undone(boolean b);
// /**
// *
// */
// public void restored();
/**
* Creates Undo-object for this undoable object.
*/
public Undo createUndo();
/**
* Creates Undo-object for this undoable object
* and adds it to the constrainer's undo-stack.
*/
public void addUndo();
} // ~Undoable