| /******************************************************************************* |
| * Copyright (c) 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: |
| * IBM Corporation - initial API and implementation |
| ******************************************************************************/ |
| |
| package org.eclipse.ui.examples.contributions.view; |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.core.commands.AbstractHandler; |
| import org.eclipse.core.commands.ExecutionEvent; |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.ui.examples.contributions.model.Person; |
| import org.eclipse.ui.handlers.HandlerUtil; |
| |
| /** |
| * Swap 2 elements around in the the view. |
| * |
| * @since 3.3 |
| */ |
| public class SwapInfoHandler extends AbstractHandler { |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent) |
| */ |
| public Object execute(ExecutionEvent event) throws ExecutionException { |
| InfoView view = (InfoView) HandlerUtil.getActivePartChecked(event); |
| ISelection sel = HandlerUtil.getCurrentSelection(event); |
| if (sel instanceof IStructuredSelection) { |
| IStructuredSelection selection = (IStructuredSelection) sel; |
| if (selection.size() != 2) { |
| return null; |
| } |
| Iterator i = selection.iterator(); |
| Person p1 = (Person) i.next(); |
| Person p2 = (Person) i.next(); |
| view.swap(p1, p2); |
| } |
| return null; |
| } |
| |
| } |