http://www.eclipse.org/platform: Text (Eclipse Foundation) 
Copyright (c) 2006, 2008 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation

/*******************************************************************************
 * Copyright (c) 2006, 2008 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * 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.


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.



Clients may implement this interface.



Since:3.2
/**
 * 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.

Params:
  • event – the document undo event that describes the particular notification
/**
	 * 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);

}