| /******************************************************************************* |
| * Copyright (c) 2008, 2010 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 195222, 278550 |
| ******************************************************************************/ |
| |
| package org.eclipse.core.internal.databinding.property; |
| |
| import java.util.Set; |
| |
| import org.eclipse.core.databinding.observable.ObservableTracker; |
| import org.eclipse.core.databinding.observable.Realm; |
| import org.eclipse.core.databinding.observable.set.IObservableSet; |
| import org.eclipse.core.databinding.observable.set.SetDiff; |
| import org.eclipse.core.databinding.observable.value.IObservableValue; |
| import org.eclipse.core.databinding.property.set.ISetProperty; |
| import org.eclipse.core.databinding.property.set.SetProperty; |
| import org.eclipse.core.databinding.property.value.IValueProperty; |
| |
| /** |
| * @since 3.3 |
| * |
| */ |
| public class ValuePropertyDetailSet extends SetProperty { |
| private IValueProperty masterProperty; |
| private ISetProperty detailProperty; |
| |
| /** |
| * @param masterProperty |
| * @param detailProperty |
| */ |
| public ValuePropertyDetailSet(IValueProperty masterProperty, |
| ISetProperty detailProperty) { |
| this.masterProperty = masterProperty; |
| this.detailProperty = detailProperty; |
| } |
| |
| public Object getElementType() { |
| return detailProperty.getElementType(); |
| } |
| |
| protected Set doGetSet(Object source) { |
| Object masterValue = masterProperty.getValue(source); |
| return detailProperty.getSet(masterValue); |
| } |
| |
| protected void doSetSet(Object source, Set set) { |
| Object masterValue = masterProperty.getValue(source); |
| detailProperty.setSet(masterValue, set); |
| } |
| |
| protected void doUpdateSet(Object source, SetDiff diff) { |
| Object masterValue = masterProperty.getValue(source); |
| detailProperty.updateSet(masterValue, diff); |
| } |
| |
| public IObservableSet observe(Realm realm, Object source) { |
| IObservableValue masterValue; |
| |
| ObservableTracker.setIgnore(true); |
| try { |
| masterValue = masterProperty.observe(realm, source); |
| } finally { |
| ObservableTracker.setIgnore(false); |
| } |
| |
| IObservableSet detailSet = detailProperty.observeDetail(masterValue); |
| PropertyObservableUtil.cascadeDispose(detailSet, masterValue); |
| return detailSet; |
| } |
| |
| public IObservableSet observeDetail(IObservableValue master) { |
| IObservableValue masterValue; |
| |
| ObservableTracker.setIgnore(true); |
| try { |
| masterValue = masterProperty.observeDetail(master); |
| } finally { |
| ObservableTracker.setIgnore(false); |
| } |
| |
| IObservableSet detailSet = detailProperty.observeDetail(masterValue); |
| PropertyObservableUtil.cascadeDispose(detailSet, masterValue); |
| return detailSet; |
| } |
| |
| public String toString() { |
| return masterProperty + " => " + detailProperty; //$NON-NLS-1$ |
| } |
| } |