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/*******************************************************************************
* Copyright (c) 2006, 2007 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.ui.internal.java.mappings.properties;
import org.eclipse.emf.common.command.CommandStack;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.jpt.ui.internal.details.IJpaComposite;
import org.eclipse.jpt.ui.internal.java.details.IAttributeMappingUiProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory;
public class NullAttributeMappingUiProvider
implements IAttributeMappingUiProvider
{
// singleton
private static final NullAttributeMappingUiProvider INSTANCE = new NullAttributeMappingUiProvider();
/**
* Return the singleton.
*/
public static IAttributeMappingUiProvider instance() {
return INSTANCE;
}
/**
* Ensure non-instantiability.
*/
private NullAttributeMappingUiProvider() {
super();
}
public String key() {
return null;
}
public String label() {
return "";
}
public IJpaComposite buildAttributeMappingComposite(Composite parent, CommandStack commandStack, TabbedPropertySheetWidgetFactory widgetFactory) {
return new NullComposite(parent);
}
public static class NullComposite extends Composite
implements IJpaComposite
{
NullComposite(Composite parent) {
super(parent, SWT.NONE);
}
public void populate(EObject model) {
// no op
}
@Override
public void dispose() {
super.dispose();
}
public Control getControl() {
return this;
}
}
}
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