| /******************************************************************************* |
| * 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.IJpaUiFactory; |
| 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 attributeMappingKey() { |
| return null; |
| } |
| |
| public String label() { |
| return ""; |
| } |
| |
| public IJpaComposite buildAttributeMappingComposite(IJpaUiFactory factory, 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; |
| } |
| } |
| } |