| /******************************************************************************* |
| * 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.internal.services; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.jface.util.IPropertyChangeListener; |
| import org.eclipse.jface.util.PropertyChangeEvent; |
| import org.eclipse.ui.services.IEvaluationReference; |
| |
| /** |
| * @since 3.4 |
| * |
| */ |
| public class RestrictionListener implements IPropertyChangeListener { |
| public static final String PROP = "restrict"; //$NON-NLS-1$ |
| |
| private EvaluationReference reference; |
| |
| public RestrictionListener(IEvaluationReference ref) { |
| Assert.isLegal(ref instanceof EvaluationReference, "Invalid type: " //$NON-NLS-1$ |
| + ref.getClass().getName()); |
| reference = (EvaluationReference) ref; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent) |
| */ |
| public void propertyChange(PropertyChangeEvent event) { |
| if (event.getNewValue() instanceof Boolean) { |
| reference.setPostingChanges(((Boolean) event.getNewValue()) |
| .booleanValue()); |
| } else { |
| reference.setPostingChanges(false); |
| } |
| } |
| } |