Java tutorial
/******************************************************************************* * 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.viewers; import java.util.EventObject; import org.eclipse.core.runtime.Assert; /** * Event object describing a selection change. The source of these * events is a selection provider. * * @see ISelection * @see ISelectionProvider * @see ISelectionChangedListener */ public class SelectionChangedEvent extends EventObject { /** * Generated serial version UID for this class. * @since 3.1 */ private static final long serialVersionUID = 3835149545519723574L; /** * The selection. */ protected ISelection selection; /** * Creates a new event for the given source and selection. * * @param source the selection provider * @param selection the selection */ public SelectionChangedEvent(ISelectionProvider source, ISelection selection) { super(source); Assert.isNotNull(selection); this.selection = selection; } /** * Returns the selection. * * @return the selection */ public ISelection getSelection() { return selection; } /** * Returns the selection provider that is the source of this event. * * @return the originating selection provider */ public ISelectionProvider getSelectionProvider() { return (ISelectionProvider) getSource(); } }