| /******************************************************************************* |
| * 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) {} |
| } |
| } |