/******************************************************************************* * Copyright (c) 2000, 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: * IBM Corporation - initial API and implementation *******************************************************************************/ package org.eclipse.jface.dialogs; import java.util.EventObject; import org.eclipse.core.runtime.Assert; /** * Event object describing a page selection change. The source of these events * is a page change provider. * * @see IPageChangeProvider * @see IPageChangedListener * * @since 3.1 */ public class PageChangedEvent extends EventObject { /** * Generated serial version UID for this class. * * @since 3.1 */ private static final long serialVersionUID = 3835149545519723574L; /** * The selected page. */ protected Object selectedPage; /** * Creates a new event for the given source and selected page. * * @param source * the page change provider * @param selectedPage * the selected page. In the JFace provided dialogs this * will be an <code>IDialogPage</code>. */ public PageChangedEvent(IPageChangeProvider source, Object selectedPage) { super(source); Assert.isNotNull(selectedPage); this.selectedPage = selectedPage; } /** * Returns the selected page. * * @return the selected page. In dialogs implemented by JFace, * this will be an <code>IDialogPage</code>. */ public Object getSelectedPage() { return selectedPage; } /** * Returns the page change provider that is the source of this event. * * @return the originating page change provider */ public IPageChangeProvider getPageChangeProvider() { return (IPageChangeProvider) getSource(); } }