| /******************************************************************************* |
| * Copyright (c) 2000, 2006 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.jdt.internal.ui.commands; |
| |
| import org.eclipse.core.commands.AbstractHandler; |
| import org.eclipse.core.commands.ExecutionEvent; |
| import org.eclipse.core.commands.ExecutionException; |
| |
| import org.eclipse.ui.IWorkbenchWindow; |
| |
| import org.eclipse.jdt.core.IJavaElement; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.util.OpenTypeHierarchyUtil; |
| |
| /** |
| * A command handler to show a java element in the type hierarchy view. |
| * |
| * @since 3.2 |
| */ |
| public class ShowElementInTypeHierarchyViewHandler extends AbstractHandler { |
| |
| private static final String PARAM_ID_ELEMENT_REF= "elementRef"; //$NON-NLS-1$ |
| |
| public Object execute(ExecutionEvent event) throws ExecutionException { |
| |
| IWorkbenchWindow window= JavaPlugin.getActiveWorkbenchWindow(); |
| if (window == null) |
| return null; |
| |
| IJavaElement javaElement= (IJavaElement) event.getObjectParameterForExecution(PARAM_ID_ELEMENT_REF); |
| |
| OpenTypeHierarchyUtil.open(javaElement, window); |
| |
| return null; |
| } |
| } |