| /******************************************************************************* |
| * Copyright (c) 2006, 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.ui.internal.java.details; |
| |
| import org.eclipse.jpt.core.MappingKeys; |
| import org.eclipse.jpt.core.context.AttributeMapping; |
| import org.eclipse.jpt.ui.JpaUiFactory; |
| import org.eclipse.jpt.ui.WidgetFactory; |
| import org.eclipse.jpt.ui.details.DefaultAttributeMappingUiProvider; |
| import org.eclipse.jpt.ui.details.JpaComposite; |
| import org.eclipse.jpt.ui.internal.JpaMappingImageHelper; |
| import org.eclipse.jpt.ui.internal.mappings.JptUiMappingsMessages; |
| import org.eclipse.jpt.ui.internal.widgets.FormPane; |
| import org.eclipse.jpt.utility.model.value.PropertyValueModel; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.widgets.Composite; |
| |
| public class NullAttributeMappingUiProvider |
| implements DefaultAttributeMappingUiProvider<AttributeMapping> |
| { |
| // singleton |
| private static final NullAttributeMappingUiProvider INSTANCE = |
| new NullAttributeMappingUiProvider(); |
| |
| /** |
| * Return the singleton. |
| */ |
| public static DefaultAttributeMappingUiProvider<AttributeMapping> instance() { |
| return INSTANCE; |
| } |
| |
| |
| /** |
| * Ensure single instance. |
| */ |
| private NullAttributeMappingUiProvider() { |
| super(); |
| } |
| |
| |
| public Image getImage() { |
| return JpaMappingImageHelper.imageForAttributeMapping(getMappingKey()); |
| } |
| |
| public String getLabel() { |
| return JptUiMappingsMessages.NullAttributeMappingUiProvider_label; |
| } |
| |
| public String getLinkLabel() { |
| return null; |
| } |
| |
| public String getMappingKey() { |
| return null; |
| } |
| |
| public String getDefaultMappingKey() { |
| return MappingKeys.NULL_ATTRIBUTE_MAPPING_KEY; |
| } |
| |
| public JpaComposite buildAttributeMappingComposite( |
| JpaUiFactory factory, |
| PropertyValueModel<AttributeMapping> subjectHolder, |
| Composite parent, |
| WidgetFactory widgetFactory) { |
| return new NullComposite(subjectHolder, parent, widgetFactory); |
| } |
| |
| |
| public static class NullComposite extends FormPane<AttributeMapping> |
| implements JpaComposite |
| { |
| NullComposite( |
| PropertyValueModel<AttributeMapping> subjectHolder, |
| Composite parent, |
| WidgetFactory widgetFactory) { |
| super(subjectHolder, parent, widgetFactory); |
| } |
| |
| @Override |
| protected void initializeLayout(Composite container) {} |
| } |
| } |