| /****************************************************************************** |
| * Copyright (c) 2002, 2005 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.gmf.runtime.common.ui.services.action.internal.contributionitem; |
| |
| import org.eclipse.gmf.runtime.common.core.service.IOperation; |
| import org.eclipse.gmf.runtime.common.core.service.IProvider; |
| import org.eclipse.gmf.runtime.common.ui.util.IWorkbenchPartDescriptor; |
| |
| /** |
| * An operation to dispose of and clear the cache of contributions |
| * made to a part with a certain type. |
| * |
| * @author melaasar |
| */ |
| public final class DisposeContributionsOperation implements IOperation { |
| |
| /** the part's descriptor */ |
| private final IWorkbenchPartDescriptor workbenchPartDescriptor; |
| |
| /** |
| * Constructs an instance of <code>DisposeContributionsOperation</code>. |
| * |
| * @param workbenchPartDescriptor the part's descriptor |
| */ |
| public DisposeContributionsOperation(IWorkbenchPartDescriptor workbenchPartDescriptor) { |
| |
| assert null != workbenchPartDescriptor : "workbenchPartDescriptos cannot be null"; //$NON-NLS-1$ |
| |
| this.workbenchPartDescriptor = workbenchPartDescriptor; |
| } |
| |
| /** |
| * Returns the part's descriptor. |
| * |
| * @return The part's descriptor |
| */ |
| public IWorkbenchPartDescriptor getWorkbenchPartDescriptor() { |
| return workbenchPartDescriptor; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.gmf.runtime.common.core.service.IOperation#execute(org.eclipse.gmf.runtime.common.core.service.IProvider) |
| */ |
| public Object execute(IProvider provider) { |
| ((IContributionItemProvider) provider).disposeContributions( |
| getWorkbenchPartDescriptor()); |
| return null; |
| } |
| |
| } |