| /******************************************************************************* |
| * Copyright (c) 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 264286) |
| *******************************************************************************/ |
| |
| package org.eclipse.jface.internal.databinding.swt; |
| |
| import org.eclipse.core.databinding.property.value.DelegatingValueProperty; |
| import org.eclipse.jface.databinding.swt.ISWTObservableValue; |
| import org.eclipse.jface.databinding.swt.IWidgetValueProperty; |
| import org.eclipse.jface.databinding.swt.SWTObservables; |
| import org.eclipse.swt.widgets.Widget; |
| |
| public abstract class WidgetDelegatingValueProperty<S extends Widget, T> |
| extends DelegatingValueProperty<S, T> implements |
| IWidgetValueProperty<S, T> { |
| RuntimeException notSupported(Object source) { |
| return new IllegalArgumentException( |
| "Widget [" + source.getClass().getName() + "] is not supported."); //$NON-NLS-1$//$NON-NLS-2$ |
| } |
| |
| public WidgetDelegatingValueProperty() { |
| } |
| |
| public WidgetDelegatingValueProperty(Object valueType) { |
| super(valueType); |
| } |
| |
| public ISWTObservableValue<T> observe(S widget) { |
| return (ISWTObservableValue<T>) observe( |
| SWTObservables.getRealm(widget.getDisplay()), widget); |
| } |
| |
| public ISWTObservableValue<T> observeDelayed(int delay, S widget) { |
| return SWTObservables.observeDelayedValue(delay, observe(widget)); |
| } |
| } |