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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 org.eclipse.jpt.eclipselink.core.internal.context.caching.Caching;
import org.eclipse.jpt.eclipselink.ui.internal.EclipseLinkUiMessages;
import org.eclipse.jpt.ui.internal.widgets.AbstractPane;
import org.eclipse.jpt.ui.internal.widgets.TriStateCheckBox;
import org.eclipse.jpt.utility.internal.model.value.PropertyAspectAdapter;
import org.eclipse.jpt.utility.internal.model.value.TransformationPropertyValueModel;
import org.eclipse.jpt.utility.model.value.PropertyValueModel;
import org.eclipse.jpt.utility.model.value.WritablePropertyValueModel;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.widgets.Composite;
/**
* SharedCacheComposite
*/
public class SharedCacheComposite extends AbstractPane<EntityCacheProperties>
{
private TriStateCheckBox sharedCacheCheckBox;
/**
* Creates a new <code>ShareCacheComposite</code>.
*
* @param parentController The parent container of this one
* @param parent The parent container
*/
public SharedCacheComposite(AbstractPane<EntityCacheProperties> parentComposite,
Composite parent) {
super(parentComposite, parent);
}
private WritablePropertyValueModel<Boolean> buildSharedCacheHolder() {
return new PropertyAspectAdapter<EntityCacheProperties, Boolean>(
getSubjectHolder(), Caching.SHARED_CACHE_PROPERTY) {
@Override
protected Boolean buildValue_() {
return this.subject.getSharedCache();
}
@Override
protected void setValue_(Boolean value) {
this.subject.setSharedCache(value);
}
@Override
protected void subjectChanged() {
Object oldValue = this.getValue();
super.subjectChanged();
Object newValue = this.getValue();
// Make sure the default value is appended to the text
if (oldValue == newValue && newValue == null) {
this.fireAspectChange(Boolean.TRUE, newValue);
}
}
};
}
private PropertyValueModel<String> buildSharedCacheStringHolder() {
return new TransformationPropertyValueModel<Boolean, String>(buildSharedCacheHolder()) {
@Override
protected String transform(Boolean value) {
if ((subject() != null) && (value == null)) {
Boolean defaultValue = subject().getDefaultSharedCache();
if (defaultValue != null) {
String defaultStringValue = defaultValue ? EclipseLinkUiMessages.Boolean_True : EclipseLinkUiMessages.Boolean_False;
return NLS.bind(EclipseLinkUiMessages.PersistenceXmlCachingTab_defaultSharedCacheLabel, defaultStringValue);
}
}
return EclipseLinkUiMessages.PersistenceXmlCachingTab_sharedCacheLabel;
}
};
}
@Override
protected void initializeLayout(Composite container) {
this.sharedCacheCheckBox = this.buildTriStateCheckBoxWithDefault(
container,
EclipseLinkUiMessages.PersistenceXmlCachingTab_sharedCacheLabel,
this.buildSharedCacheHolder(),
this.buildSharedCacheStringHolder(),
null
// EclipseLinkHelpContextIds.CACHING_SHARED_CACHE
);
}
@Override
public void enableWidgets(boolean enabled) {
super.enableWidgets(enabled);
this.sharedCacheCheckBox.setEnabled(enabled);
}
}
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