/*******************************************************************************
* Copyright (c) 2006, 2015 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:
* Chris Gross (schtoo@schtoo.com) - initial API and implementation for bug 16179
* IBM Corporation - revisions to initial contribution
*******************************************************************************/
package org.eclipse.jface.dialogs;
/**
* A listener which is notified when the current page of a multi-page dialog is
* changing. Use this listener to perform long-running work that should only be
* executed once, when the page is in the process of changing, rather then
* during validation of page controls.
*
* @see PageChangingEvent
* @since 3.3
*/
public interface IPageChangingListener {
/**
* Handle the an <code>IDialogPage</code> changing.
*
* The <code>doit</code> field of the <code>PageChangingEvent</code>
* must be set to false to prevent the page from changing.
*
* @param event
* event object describing the change
*/
public void handlePageChanging(PageChangingEvent event);
}