/*******************************************************************************
* Copyright (c) 2006, 2008 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.text.undo;
/**
* This interface is used to listen to notifications from a DocumentUndoManager.
* The supplied DocumentUndoEvent describes the particular notification.
* <p>
* Document undo listeners must be prepared to receive notifications from a
* background thread. Any UI access occurring inside the implementation must be
* properly synchronized using the techniques specified by the client's widget
* library.</p>
* <p>
* Clients may implement this interface.
* </p>
*
* @since 3.2
*/
public interface IDocumentUndoListener {
/**
* The document is involved in an undo-related change. Notify listeners
* with an event describing the change.
*
* @param event the document undo event that describes the particular notification
*/
void documentUndoNotification(DocumentUndoEvent event);
}