| /******************************************************************************* |
| * Copyright (c) 2008, 2009 Matthew Hall 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: |
| * Matthew Hall - initial API and implementation (bug 194734) |
| * Matthew Hall - bugs 263413, 264286 |
| ******************************************************************************/ |
| |
| package org.eclipse.jface.databinding.viewers; |
| |
| import org.eclipse.core.databinding.observable.Realm; |
| import org.eclipse.core.databinding.observable.set.IObservableSet; |
| import org.eclipse.core.databinding.property.set.SimpleSetProperty; |
| import org.eclipse.jface.databinding.swt.SWTObservables; |
| import org.eclipse.jface.internal.databinding.viewers.ViewerObservableSetDecorator; |
| import org.eclipse.jface.viewers.Viewer; |
| |
| /** |
| * Abstract set property implementation for {@link Viewer} properties. This |
| * class implements some basic behavior that viewer properties are generally |
| * expected to have, namely: |
| * <ul> |
| * <li>Calling {@link #observe(Viewer)} should create the observable on the |
| * display realm of the viewer's control, rather than the current default realm |
| * <li>All <code>observe()</code> methods should return an |
| * {@link IViewerObservableSet} |
| * </ul> |
| * |
| * @param <S> |
| * @param <E> |
| * |
| * @since 1.3 |
| */ |
| public abstract class ViewerSetProperty<S extends Viewer, E> extends |
| SimpleSetProperty<S, E> implements IViewerSetProperty<S, E> { |
| |
| /** |
| * @since 1.7 |
| */ |
| public IViewerObservableSet<S, E> observe(Realm realm, S viewer) { |
| IObservableSet<E> observable = super.observe(realm, viewer); |
| return new ViewerObservableSetDecorator<S, E>(observable, viewer); |
| } |
| |
| public IViewerObservableSet<S, E> observe(S viewer) { |
| return observe(SWTObservables.getRealm(((Viewer) viewer).getControl() |
| .getDisplay()), viewer); |
| } |
| } |