/*******************************************************************************
* 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; //$NON-NLS-1$
}
}