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/*******************************************************************************
* Copyright (c) 2008 Oracle. 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:
* Oracle - initial API and implementation
*******************************************************************************/
package org.eclipse.jpt.eclipselink.ui.internal.caching;
import java.util.Collection;
import org.eclipse.jpt.eclipselink.core.internal.context.caching.CacheType;
import org.eclipse.jpt.eclipselink.core.internal.context.caching.Caching;
import org.eclipse.jpt.eclipselink.ui.internal.EclipseLinkUiMessages;
import org.eclipse.jpt.ui.internal.listeners.SWTPropertyChangeListenerWrapper;
import org.eclipse.jpt.ui.internal.widgets.AbstractPane;
import org.eclipse.jpt.ui.internal.widgets.EnumFormComboViewer;
import org.eclipse.jpt.utility.internal.model.value.PropertyAspectAdapter;
import org.eclipse.jpt.utility.internal.model.value.TransformationPropertyValueModel;
import org.eclipse.jpt.utility.model.event.PropertyChangeEvent;
import org.eclipse.jpt.utility.model.listener.PropertyChangeListener;
import org.eclipse.jpt.utility.model.value.PropertyValueModel;
import org.eclipse.swt.widgets.Composite;
/**
* CacheTypeComposite
*/
public class CacheTypeComposite extends AbstractPane<EntityCacheProperties>
{
/**
* Creates a new <code>CacheTypeComposite</code>.
*
* @param parentController
* The parent container of this one
* @param parent
* The parent container
*/
public CacheTypeComposite(AbstractPane<EntityCacheProperties> parentComposite,
Composite parent) {
super(parentComposite, parent);
}
@Override
protected void initializeLayout(Composite container) {
this.buildLabeledComposite(
container,
EclipseLinkUiMessages.PersistenceXmlCachingTab_cacheTypeLabel,
new CacheTypeCombo(container),
null // TODO IJpaHelpContextIds.
);
}
private class CacheTypeCombo extends EnumFormComboViewer<EntityCacheProperties, CacheType> {
private CacheTypeCombo(Composite parent) {
super(CacheTypeComposite.this, parent);
}
@Override
protected void addPropertyNames(Collection<String> propertyNames) {
super.addPropertyNames(propertyNames);
propertyNames.add(EntityCacheProperties.CACHE_TYPE_PROPERTY);
}
private PropertyValueModel<Caching> buildCachingHolder() {
return new TransformationPropertyValueModel<EntityCacheProperties, Caching>(getSubjectHolder()) {
@Override
protected Caching transform_(EntityCacheProperties value) {
return value.getCaching();
}
};
}
private PropertyValueModel<CacheType> buildDefaultCacheTypeHolder() {
return new PropertyAspectAdapter<Caching, CacheType>(buildCachingHolder(), Caching.CACHE_TYPE_DEFAULT_PROPERTY) {
@Override
protected CacheType buildValue_() {
CacheType cacheType = subject.getCacheTypeDefault();
if (cacheType == null) {
cacheType = subject.getDefaultCacheTypeDefault();
}
return cacheType;
}
};
}
private PropertyChangeListener buildDefaultCachingTypePropertyChangeListener() {
return new SWTPropertyChangeListenerWrapper(
buildDefaultCachingTypePropertyChangeListener_()
);
}
private PropertyChangeListener buildDefaultCachingTypePropertyChangeListener_() {
return new PropertyChangeListener() {
public void propertyChanged(PropertyChangeEvent e) {
if ((e.getNewValue() != null) && !getCombo().isDisposed()) {
CacheTypeCombo.this.doPopulate();
}
}
};
}
@Override
protected CacheType[] choices() {
return CacheType.values();
}
@Override
protected CacheType defaultValue() {
return this.subject().getDefaultCacheType();
}
@Override
protected String displayString(CacheType value) {
return buildDisplayString(
EclipseLinkUiMessages.class,
CacheTypeComposite.this,
value
);
}
@Override
protected void doPopulate() {
// This is required to allow the class loader to let the listener
// written above to access this method
super.doPopulate();
}
@Override
protected CacheType getValue() {
return this.subject().getCacheType();
}
@Override
protected void initialize() {
super.initialize();
PropertyValueModel<CacheType> defaultCacheTypeHolder =
buildDefaultCacheTypeHolder();
defaultCacheTypeHolder.addPropertyChangeListener(
PropertyValueModel.VALUE,
buildDefaultCachingTypePropertyChangeListener()
);
}
@Override
protected void setValue(CacheType value) {
this.subject().setCacheType(value);
}
@Override
protected boolean sortChoices() {
return false;
}
}
}
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