| /******************************************************************************* |
| * Copyright (c) 2006, 2007 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; |
| |
| import java.util.EventObject; |
| |
| import org.eclipse.core.runtime.Assert; |
| |
| /** |
| * Event object describing an <code>IDialogPage</code> in the midst of changing. |
| * |
| * @see IPageChangingListener |
| * @since 3.3 |
| */ |
| public class PageChangingEvent extends EventObject { |
| |
| |
| private static final long serialVersionUID = 1L; |
| |
| private Object currentPage; |
| |
| private Object targetPage; |
| |
| /** |
| * Public field that dictates if the page change will successfully change. |
| * |
| * Set this field to <code>false</code> to prevent the page from changing. |
| * |
| * Default value is <code>true</code>. |
| */ |
| public boolean doit = true; |
| |
| /** |
| * Creates a new event for the given source, selected (current) page and |
| * direction. |
| * |
| * @param source |
| * the page changing provider (the source of this event) |
| * @param currentPage |
| * the current page. In the JFace provided dialogs this will be |
| * an <code>IDialogPage</code>. |
| * @param targetPage |
| * the target page. In the JFace provided dialogs this will be an |
| * <code>IDialogPage</code>. |
| */ |
| public PageChangingEvent(Object source, Object currentPage, Object targetPage) { |
| super(source); |
| Assert.isNotNull(currentPage); |
| Assert.isNotNull(targetPage); |
| this.currentPage = currentPage; |
| this.targetPage = targetPage; |
| } |
| |
| /** |
| * Returns the current page from which the page change originates. |
| * |
| * @return the current page. In dialogs implemented by JFace, |
| * this will be an <code>IDialogPage</code>. |
| */ |
| public Object getCurrentPage() { |
| return currentPage; |
| } |
| |
| /** |
| * Returns the target page to change to. |
| * |
| * @return the target page. In dialogs implemented by JFace, |
| * this will be an <code>IDialogPage</code>. |
| */ |
| public Object getTargetPage() { |
| return targetPage; |
| } |
| |
| } |