| /******************************************************************************* |
| * Copyright (c) 2007, 2008 Brad Reynolds 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: |
| * Brad Reynolds - initial API and implementation |
| * Matthew Hall - bug 246625 |
| ******************************************************************************/ |
| |
| package org.eclipse.core.internal.databinding.beans; |
| |
| import java.beans.PropertyDescriptor; |
| |
| import org.eclipse.core.databinding.beans.IBeanObservable; |
| import org.eclipse.core.databinding.observable.IObservable; |
| import org.eclipse.core.databinding.observable.IObserving; |
| import org.eclipse.core.databinding.observable.set.DecoratingObservableSet; |
| import org.eclipse.core.databinding.observable.set.IObservableSet; |
| |
| /** |
| * {@link IBeanObservable} decorator for an {@link IObservableSet}. |
| * |
| * @param <E> |
| * |
| * @since 3.3 |
| */ |
| public class BeanObservableSetDecorator<E> extends DecoratingObservableSet<E> |
| implements IBeanObservable { |
| private PropertyDescriptor propertyDescriptor; |
| |
| /** |
| * @param decorated |
| * @param propertyDescriptor |
| */ |
| public BeanObservableSetDecorator(IObservableSet<E> decorated, |
| PropertyDescriptor propertyDescriptor) { |
| super(decorated, true); |
| this.propertyDescriptor = propertyDescriptor; |
| } |
| |
| public synchronized void dispose() { |
| this.propertyDescriptor = null; |
| super.dispose(); |
| } |
| |
| public Object getObserved() { |
| IObservable decorated = getDecorated(); |
| if (decorated instanceof IObserving) |
| return ((IObserving) decorated).getObserved(); |
| return null; |
| } |
| |
| public PropertyDescriptor getPropertyDescriptor() { |
| return propertyDescriptor; |
| } |
| } |