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/*******************************************************************************
* Copyright (c) 2006, 2010 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.jpa.ui.internal.details.java;
import org.eclipse.jpt.common.ui.WidgetFactory;
import org.eclipse.jpt.common.ui.internal.widgets.Pane;
import org.eclipse.jpt.common.utility.model.value.PropertyValueModel;
import org.eclipse.jpt.jpa.core.MappingKeys;
import org.eclipse.jpt.jpa.core.context.ReadOnlyPersistentAttribute;
import org.eclipse.jpt.jpa.core.context.java.JavaAttributeMapping;
import org.eclipse.jpt.jpa.ui.details.JpaComposite;
import org.eclipse.jpt.jpa.ui.details.java.DefaultJavaAttributeMappingUiDefinition;
import org.eclipse.jpt.jpa.ui.details.java.JavaUiFactory;
import org.eclipse.jpt.jpa.ui.internal.JpaMappingImageHelper;
import org.eclipse.jpt.jpa.ui.internal.details.AbstractMappingUiDefinition;
import org.eclipse.jpt.jpa.ui.internal.details.JptUiDetailsMessages;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Composite;
public class NullJavaAttributeMappingUiDefinition
extends AbstractMappingUiDefinition<ReadOnlyPersistentAttribute, JavaAttributeMapping>
implements DefaultJavaAttributeMappingUiDefinition<JavaAttributeMapping>
{
// singleton
private static final NullJavaAttributeMappingUiDefinition INSTANCE =
new NullJavaAttributeMappingUiDefinition();
/**
* Return the singleton.
*/
public static DefaultJavaAttributeMappingUiDefinition<JavaAttributeMapping> instance() {
return INSTANCE;
}
/**
* Ensure single instance.
*/
private NullJavaAttributeMappingUiDefinition() {
super();
}
public Image getImage() {
return JpaMappingImageHelper.imageForAttributeMapping(getKey());
}
public String getLabel() {
return JptUiDetailsMessages.NullAttributeMappingUiProvider_label;
}
public String getLinkLabel() {
return null;
}
public String getKey() {
return null;
}
public String getDefaultKey() {
return MappingKeys.NULL_ATTRIBUTE_MAPPING_KEY;
}
public JpaComposite buildAttributeMappingComposite(
JavaUiFactory factory,
PropertyValueModel<JavaAttributeMapping> subjectHolder,
Composite parent,
WidgetFactory widgetFactory) {
return new NullComposite(subjectHolder, parent, widgetFactory);
}
public static class NullComposite extends Pane<JavaAttributeMapping>
implements JpaComposite
{
NullComposite(
PropertyValueModel<JavaAttributeMapping> subjectHolder,
Composite parent,
WidgetFactory widgetFactory) {
super(subjectHolder, parent, widgetFactory);
}
@Override
protected void initializeLayout(Composite container) {}
}
}
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