/*******************************************************************************
* Copyright (c) 2000, 2004 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.erlide.ui.internal.util;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
public class SelectionUtil {
// public static List toList(ISelection selection) {
// if (selection instanceof IStructuredSelection) {
// return ((IStructuredSelection) selection).toList();
// }
// return null;
// }
/**
* Returns the selected element if the selection consists of a single
* element only.
*
* @param selection
* the selection
* @return the selected first element or null
*
*/
public static Object getSingleElement(final ISelection s) {
if (!(s instanceof IStructuredSelection)) {
return null;
}
final IStructuredSelection selection = (IStructuredSelection) s;
if (selection.size() != 1) {
return null;
}
return selection.getFirstElement();
}
}