| /******************************************************************************* |
| * 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 |
| * Matthew Hall - bugs 263413, 264286 |
| ******************************************************************************/ |
| |
| package org.eclipse.jface.databinding.viewers; |
| |
| import org.eclipse.core.databinding.observable.Realm; |
| import org.eclipse.core.databinding.observable.list.IObservableList; |
| import org.eclipse.core.databinding.property.list.SimpleListProperty; |
| import org.eclipse.jface.databinding.swt.SWTObservables; |
| import org.eclipse.jface.internal.databinding.viewers.ViewerObservableListDecorator; |
| import org.eclipse.jface.viewers.Viewer; |
| |
| /** |
| * Abstract list 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 IViewerObservableList} |
| * </ul> |
| * |
| * @param <S> |
| * |
| * @since 1.3 |
| */ |
| public abstract class ViewerListProperty<S extends Viewer> extends |
| SimpleListProperty<S, Object> implements IViewerListProperty<S> { |
| /** |
| * @since 1.7 |
| */ |
| public IViewerObservableList<S> observe(Realm realm, S source) { |
| IObservableList<Object> observable = super.observe(realm, source); |
| return new ViewerObservableListDecorator<S>(observable, source); |
| } |
| |
| public IViewerObservableList<S> observe(S viewer) { |
| return observe( |
| SWTObservables.getRealm(viewer.getControl().getDisplay()), |
| viewer); |
| } |
| } |