| /******************************************************************************* |
| * Copyright (c) 2007, 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.mappings.details; |
| |
| import java.util.Collection; |
| |
| 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.listeners.SWTListChangeListenerWrapper; |
| import org.eclipse.jpt.ui.internal.listeners.SWTPropertyChangeListenerWrapper; |
| import org.eclipse.jpt.ui.internal.mappings.JptUiMappingsMessages; |
| import org.eclipse.jpt.ui.internal.widgets.EnumFormComboViewer; |
| import org.eclipse.jpt.ui.internal.widgets.FormPane; |
| import org.eclipse.jpt.utility.internal.CollectionTools; |
| import org.eclipse.jpt.utility.internal.StringTools; |
| import org.eclipse.jpt.utility.internal.model.value.PropertyAspectAdapter; |
| import org.eclipse.jpt.utility.model.event.ListChangeEvent; |
| import org.eclipse.jpt.utility.model.event.PropertyChangeEvent; |
| import org.eclipse.jpt.utility.model.listener.ListChangeAdapter; |
| import org.eclipse.jpt.utility.model.listener.ListChangeListener; |
| import org.eclipse.jpt.utility.model.listener.PropertyChangeListener; |
| import org.eclipse.jpt.utility.model.value.PropertyValueModel; |
| import org.eclipse.swt.custom.CCombo; |
| import org.eclipse.swt.events.ModifyEvent; |
| import org.eclipse.swt.events.ModifyListener; |
| 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 GenerationComposite - The parent container |
| * |
| * @version 2.0 |
| * @since 1.0 |
| */ |
| @SuppressWarnings("nls") |
| public class GeneratedValueComposite extends FormPane<IdMapping> |
| { |
| private PropertyChangeListener generatedValuePropertyChangeListener; |
| private CCombo generatorNameCombo; |
| private PropertyChangeListener generatorNamePropertyChangeListener; |
| private ListChangeListener generatorsListChangeListener; |
| |
| /** |
| * Creates a new <code>GeneratedValueComposite</code>. |
| * |
| * @param parentPane The parent container of this one |
| * @param parent The parent container |
| */ |
| public GeneratedValueComposite(FormPane<? extends IdMapping> parentPane, |
| Composite parent) { |
| |
| super(parentPane, parent); |
| } |
| |
| private PropertyChangeListener buildGeneratedValuePropertyChangeListener() { |
| return new SWTPropertyChangeListenerWrapper( |
| buildGeneratedValuePropertyChangeListener_() |
| ); |
| } |
| |
| private PropertyChangeListener buildGeneratedValuePropertyChangeListener_() { |
| return new PropertyChangeListener() { |
| public void propertyChanged(PropertyChangeEvent e) { |
| disengageListeners((GeneratedValue) e.getOldValue()); |
| engageListeners((GeneratedValue) e.getNewValue()); |
| |
| if (!isPopulating()) { |
| setPopulating(true); |
| |
| try { |
| populateGeneratorNameCombo(); |
| } |
| finally { |
| setPopulating(false); |
| } |
| } |
| } |
| }; |
| } |
| |
| private ModifyListener buildGeneratorNameModifyListener() { |
| return new ModifyListener() { |
| public void modifyText(ModifyEvent e) { |
| if (isPopulating()) { |
| return; |
| } |
| |
| String generatorName = ((CCombo) e.getSource()).getText(); |
| GeneratedValue generatedValue = getSubject().getGeneratedValue(); |
| |
| if (StringTools.stringIsEmpty(generatorName)) { |
| |
| if ((generatedValue == null) || |
| StringTools.stringIsEmpty(generatedValue.getGenerator())) |
| { |
| return; |
| } |
| |
| generatorName = null; |
| } |
| |
| retrieveGeneratedValue().setSpecifiedGenerator(generatorName); |
| } |
| }; |
| } |
| |
| private PropertyChangeListener buildGeneratorNamePropertyChangeListener() { |
| return new SWTPropertyChangeListenerWrapper( |
| buildGeneratorNamePropertyChangeListener_() |
| ); |
| } |
| |
| private PropertyChangeListener buildGeneratorNamePropertyChangeListener_() { |
| return new PropertyChangeListener() { |
| public void propertyChanged(PropertyChangeEvent e) { |
| if (!isPopulating()) { |
| setPopulating(true); |
| |
| try { |
| populateGeneratorName(); |
| } |
| finally { |
| setPopulating(false); |
| } |
| } |
| } |
| }; |
| } |
| |
| private ListChangeListener buildGeneratorsListChangeListener() { |
| return new SWTListChangeListenerWrapper( |
| buildGeneratorsListChangeListener_()); |
| } |
| |
| private ListChangeListener buildGeneratorsListChangeListener_() { |
| return new ListChangeAdapter() { |
| @Override |
| // should only have to listen to this event - others aren't created |
| public void listChanged(ListChangeEvent event) { |
| if (! isPopulating()) { |
| setPopulating(true); |
| |
| try { |
| populateGeneratorChoices(); |
| } |
| finally { |
| setPopulating(false); |
| } |
| } |
| |
| } |
| }; |
| } |
| |
| private PropertyValueModel<GeneratedValue> buildGeneratorValueHolder() { |
| return new PropertyAspectAdapter<IdMapping, GeneratedValue>(getSubjectHolder(), IdMapping.GENERATED_VALUE_PROPERTY) { |
| @Override |
| protected GeneratedValue buildValue_() { |
| return getSubject().getGeneratedValue(); |
| } |
| }; |
| } |
| |
| private EnumFormComboViewer<GeneratedValue, GenerationType> addStrategyComboViewer(Composite parent) { |
| |
| return new EnumFormComboViewer<GeneratedValue, GenerationType>(this, buildGeneratorValueHolder(), 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( |
| JptUiMappingsMessages.class, |
| GeneratedValueComposite.this, |
| value |
| ); |
| } |
| |
| @Override |
| protected GenerationType getValue() { |
| return getSubject().getSpecifiedStrategy(); |
| } |
| |
| @Override |
| protected void setValue(GenerationType value) { |
| retrieveGeneratedValue().setSpecifiedStrategy(value); |
| } |
| }; |
| } |
| |
| @Override |
| protected void doPopulate() { |
| super.doPopulate(); |
| populateGeneratorNameCombo(); |
| } |
| |
| @Override |
| protected void engageListeners_(IdMapping subject) { |
| super.engageListeners_(subject); |
| subject.addPropertyChangeListener(IdMapping.GENERATED_VALUE_PROPERTY, this.generatedValuePropertyChangeListener); |
| this.engageListeners(subject.getGeneratedValue()); |
| } |
| |
| private void engageListeners(GeneratedValue generatedValue) { |
| if (generatedValue != null) { |
| this.engageListeners_(generatedValue); |
| } |
| } |
| |
| private void engageListeners_(GeneratedValue generatedValue) { |
| generatedValue.getPersistenceUnit().addListChangeListener(PersistenceUnit.GENERATORS_LIST, this.generatorsListChangeListener); |
| generatedValue.addPropertyChangeListener(GeneratedValue.DEFAULT_GENERATOR_PROPERTY, this.generatorNamePropertyChangeListener); |
| generatedValue.addPropertyChangeListener(GeneratedValue.SPECIFIED_GENERATOR_PROPERTY, this.generatorNamePropertyChangeListener); |
| } |
| |
| @Override |
| protected void disengageListeners_(IdMapping subject) { |
| this.disengageListeners(subject.getGeneratedValue()); |
| subject.removePropertyChangeListener(IdMapping.GENERATED_VALUE_PROPERTY, this.generatedValuePropertyChangeListener); |
| super.disengageListeners_(subject); |
| } |
| |
| private void disengageListeners(GeneratedValue generatedValue) { |
| if (generatedValue != null) { |
| this.disengageListeners_(generatedValue); |
| } |
| } |
| |
| private void disengageListeners_(GeneratedValue generatedValue) { |
| generatedValue.removePropertyChangeListener(GeneratedValue.SPECIFIED_GENERATOR_PROPERTY, this.generatorNamePropertyChangeListener); |
| generatedValue.removePropertyChangeListener(GeneratedValue.DEFAULT_GENERATOR_PROPERTY, this.generatorNamePropertyChangeListener); |
| generatedValue.getPersistenceUnit().removeListChangeListener(PersistenceUnit.GENERATORS_LIST, this.generatorsListChangeListener); |
| } |
| |
| @Override |
| protected void initialize() { |
| super.initialize(); |
| |
| generatedValuePropertyChangeListener = buildGeneratedValuePropertyChangeListener(); |
| generatorNamePropertyChangeListener = buildGeneratorNamePropertyChangeListener(); |
| generatorsListChangeListener = buildGeneratorsListChangeListener(); |
| } |
| |
| @Override |
| protected void initializeLayout(Composite container) { |
| |
| // Strategy widgets |
| addLabeledComposite( |
| container, |
| JptUiMappingsMessages.GeneratedValueComposite_strategy, |
| addStrategyComboViewer(container), |
| JpaHelpContextIds.MAPPING_GENERATED_VALUE_STRATEGY |
| ); |
| |
| // Generator Name widgets |
| generatorNameCombo = addLabeledEditableCCombo( |
| container, |
| JptUiMappingsMessages.GeneratedValueComposite_generatorName, |
| buildGeneratorNameModifyListener(), |
| JpaHelpContextIds.MAPPING_GENERATED_VALUE_STRATEGY |
| ); |
| |
| generatorNameCombo.add(JptUiMappingsMessages.DefaultEmpty); |
| } |
| |
| private void populateGeneratorChoices() { |
| if (this.generatorNameCombo.isDisposed()) { |
| return; |
| } |
| if (getSubject() == null) { |
| this.generatorNameCombo.setItems(new String[0]); |
| } |
| else { |
| this.generatorNameCombo.setItems(this.sortedUniqueGeneratorNames()); |
| } |
| } |
| |
| private void populateGeneratorName() { |
| if (this.generatorNameCombo.isDisposed()) { |
| return; |
| } |
| if (getSubject() == null) { |
| this.generatorNameCombo.setText(""); |
| } |
| else { |
| GeneratedValue generatedValue = getSubject().getGeneratedValue(); |
| |
| if (generatedValue == null) { |
| this.generatorNameCombo.setText(""); |
| } |
| else { |
| String generatorName = generatedValue.getGenerator(); |
| |
| if (StringTools.stringIsEmpty(generatorName)) { |
| this.generatorNameCombo.setText(""); |
| } |
| else if (!this.generatorNameCombo.getText().equals(generatorName)) { |
| this.generatorNameCombo.setText(generatorName); |
| } |
| } |
| } |
| } |
| |
| private void populateGeneratorNameCombo() { |
| populateGeneratorName(); |
| populateGeneratorChoices(); |
| } |
| |
| private GeneratedValue retrieveGeneratedValue() { |
| GeneratedValue generatedValue = getSubject().getGeneratedValue(); |
| |
| if (generatedValue == null) { |
| setPopulating(true); |
| |
| try { |
| generatedValue = getSubject().addGeneratedValue(); |
| } |
| finally { |
| setPopulating(false); |
| } |
| } |
| |
| return generatedValue; |
| } |
| |
| private String[] sortedUniqueGeneratorNames() { |
| return CollectionTools.sort(this.getSubject().getPersistenceUnit().uniqueGeneratorNames()); |
| } |
| |
| } |