| /******************************************************************************* |
| * Copyright (c) 2008 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.swt; |
| |
| 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.internal.databinding.swt.SWTObservableListDecorator; |
| import org.eclipse.swt.widgets.Widget; |
| |
| /** |
| * Abstract list property implementation for {@link Widget} properties. This |
| * class implements some basic behavior that widget properties are generally |
| * expected to have, namely: |
| * <ul> |
| * <li>Calling {@link #observe(Object)} should create the observable on the |
| * display realm of the widget, rather than the current default realm |
| * <li>All <code>observe()</code> methods should return an |
| * {@link ISWTObservable} |
| * </ul> |
| * |
| * @since 1.3 |
| */ |
| public abstract class WidgetListProperty extends SimpleListProperty implements |
| IWidgetListProperty { |
| public IObservableList observe(Object source) { |
| if (source instanceof Widget) { |
| return observe((Widget) source); |
| } |
| return super.observe(source); |
| } |
| |
| public IObservableList observe(Realm realm, Object source) { |
| return new SWTObservableListDecorator(super.observe(realm, source), |
| (Widget) source); |
| } |
| |
| public ISWTObservableList observe(Widget widget) { |
| return (ISWTObservableList) observe(SWTObservables.getRealm(widget |
| .getDisplay()), widget); |
| } |
| } |