| /******************************************************************************* |
| * Copyright (c) 2007, 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.ui.internal.details; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.ListIterator; |
| import org.eclipse.jpt.core.context.GeneratedValue; |
| import org.eclipse.jpt.core.context.GenerationType; |
| import org.eclipse.jpt.core.context.IdMapping; |
| import org.eclipse.jpt.core.context.persistence.PersistenceUnit; |
| import org.eclipse.jpt.ui.internal.JpaHelpContextIds; |
| import org.eclipse.jpt.ui.internal.widgets.EnumFormComboViewer; |
| import org.eclipse.jpt.ui.internal.widgets.Pane; |
| import org.eclipse.jpt.utility.internal.ArrayTools; |
| import org.eclipse.jpt.utility.internal.CollectionTools; |
| import org.eclipse.jpt.utility.internal.model.value.CompositeListValueModel; |
| import org.eclipse.jpt.utility.internal.model.value.ListAspectAdapter; |
| import org.eclipse.jpt.utility.internal.model.value.PropertyAspectAdapter; |
| import org.eclipse.jpt.utility.model.value.ListValueModel; |
| import org.eclipse.jpt.utility.model.value.PropertyValueModel; |
| import org.eclipse.jpt.utility.model.value.WritablePropertyValueModel; |
| import org.eclipse.swt.widgets.Composite; |
| |
| /** |
| * Here the layout of this pane: |
| * <pre> |
| * ----------------------------------------------------------------------------- |
| * | --------------------------------------------------------- | |
| * | Strategy: | I |v| | |
| * | --------------------------------------------------------- | |
| * | --------------------------------------------------------- | |
| * | Generator Name: | I |v| | |
| * | --------------------------------------------------------- | |
| * -----------------------------------------------------------------------------</pre> |
| * |
| * @see IdMapping |
| * @see GeneratedValue |
| * @see IdMappingGenerationComposite - The parent container |
| * |
| * @version 2.3 |
| * @since 1.0 |
| */ |
| public class GeneratedValueComposite extends Pane<IdMapping> |
| { |
| |
| /** |
| * Creates a new <code>GeneratedValueComposite</code>. |
| * |
| * @param parentPane The parent container of this one |
| * @param parent The parent container |
| */ |
| public GeneratedValueComposite(Pane<? extends IdMapping> parentPane, |
| Composite parent) { |
| |
| super(parentPane, parent); |
| } |
| |
| @Override |
| protected void initializeLayout(Composite container) { |
| |
| // Strategy widgets |
| addLabeledComposite( |
| container, |
| JptUiDetailsMessages.GeneratedValueComposite_strategy, |
| addStrategyComboViewer(container), |
| JpaHelpContextIds.MAPPING_GENERATED_VALUE_STRATEGY |
| ); |
| |
| addLabeledEditableCombo( |
| container, |
| JptUiDetailsMessages.GeneratedValueComposite_generatorName, |
| buildGeneratorNameListHolder(), |
| buildGeneratorNameHolder(), |
| JpaHelpContextIds.MAPPING_GENERATED_VALUE_STRATEGY |
| ); |
| } |
| |
| private EnumFormComboViewer<GeneratedValue, GenerationType> addStrategyComboViewer(Composite parent) { |
| |
| return new EnumFormComboViewer<GeneratedValue, GenerationType>(this, buildGeneratedValueHolder(), parent) { |
| |
| @Override |
| protected void addPropertyNames(Collection<String> propertyNames) { |
| super.addPropertyNames(propertyNames); |
| propertyNames.add(GeneratedValue.DEFAULT_STRATEGY_PROPERTY); |
| propertyNames.add(GeneratedValue.SPECIFIED_STRATEGY_PROPERTY); |
| } |
| |
| @Override |
| protected GenerationType[] getChoices() { |
| return GenerationType.values(); |
| } |
| |
| @Override |
| protected GenerationType getDefaultValue() { |
| return getSubject().getDefaultStrategy(); |
| } |
| |
| @Override |
| protected String displayString(GenerationType value) { |
| return buildDisplayString( |
| JptUiDetailsMessages.class, |
| GeneratedValueComposite.this, |
| value |
| ); |
| } |
| |
| @Override |
| protected GenerationType getValue() { |
| return getSubject().getSpecifiedStrategy(); |
| } |
| |
| @Override |
| protected void setValue(GenerationType value) { |
| retrieveGeneratedValue().setSpecifiedStrategy(value); |
| } |
| }; |
| } |
| |
| private PropertyValueModel<GeneratedValue> buildGeneratedValueHolder() { |
| return new PropertyAspectAdapter<IdMapping, GeneratedValue>(getSubjectHolder(), IdMapping.GENERATED_VALUE_PROPERTY) { |
| @Override |
| protected GeneratedValue buildValue_() { |
| return getSubject().getGeneratedValue(); |
| } |
| }; |
| } |
| |
| protected final WritablePropertyValueModel<String> buildGeneratorNameHolder() { |
| return new PropertyAspectAdapter<GeneratedValue, String>(buildGeneratedValueHolder(), GeneratedValue.SPECIFIED_GENERATOR_PROPERTY) { |
| @Override |
| protected String buildValue_() { |
| return this.subject.getSpecifiedGenerator(); |
| } |
| |
| @Override |
| public void setValue(String value) { |
| if (this.subject != null) { |
| setValue_(value); |
| return; |
| } |
| if (value.length() == 0) { |
| return; |
| } |
| retrieveGeneratedValue().setSpecifiedGenerator(value); |
| } |
| |
| @Override |
| protected void setValue_(String value) { |
| if (value.length() == 0) { |
| value = null; |
| } |
| this.subject.setSpecifiedGenerator(value); |
| } |
| }; |
| } |
| |
| /** |
| * Use the CompositeListValueModel even though it only contains 1 list value model |
| * This prevents the combo items from being reset when the list of generators |
| * hasn't really changed. This keeps the cursor from going back to the beginning |
| * of the list every time the generator name is edited in the combo. |
| * AbstractComboModelAdapter.listChanged() does not handle this case well, |
| * the CompositeListValueModel does handle listChanged events well. |
| */ |
| protected ListValueModel<String> buildGeneratorNameListHolder() { |
| java.util.List<ListValueModel<String>> list = new ArrayList<ListValueModel<String>>(); |
| list.add(new ListAspectAdapter<PersistenceUnit, String>( |
| buildPersistenceUnitHolder(), |
| PersistenceUnit.GENERATORS_LIST) |
| { |
| @Override |
| protected ListIterator<String> listIterator_() { |
| return CollectionTools.listIterator(ArrayTools.sort(this.subject.uniqueGeneratorNames())); |
| } |
| }); |
| return new CompositeListValueModel<ListValueModel<String>, String>(list); |
| } |
| |
| protected PropertyValueModel<PersistenceUnit> buildPersistenceUnitHolder() { |
| return new PropertyAspectAdapter<IdMapping, PersistenceUnit>(getSubjectHolder()) { |
| @Override |
| protected PersistenceUnit buildValue_() { |
| return getSubject().getPersistenceUnit(); |
| } |
| }; |
| } |
| |
| private GeneratedValue retrieveGeneratedValue() { |
| GeneratedValue generatedValue = getSubject().getGeneratedValue(); |
| |
| if (generatedValue == null) { |
| generatedValue = getSubject().addGeneratedValue(); |
| } |
| return generatedValue; |
| } |
| } |