| /******************************************************************************* |
| * 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.mappings.details; |
| |
| import java.util.Collection; |
| import org.eclipse.jpt.core.internal.context.base.DiscriminatorType; |
| import org.eclipse.jpt.core.internal.context.base.IDiscriminatorColumn; |
| import org.eclipse.jpt.core.internal.context.base.IEntity; |
| import org.eclipse.jpt.core.internal.context.base.InheritanceType; |
| import org.eclipse.jpt.db.internal.ConnectionListener; |
| import org.eclipse.jpt.db.internal.ConnectionProfile; |
| import org.eclipse.jpt.db.internal.Database; |
| import org.eclipse.jpt.db.internal.Schema; |
| import org.eclipse.jpt.db.internal.Table; |
| import org.eclipse.jpt.ui.internal.IJpaHelpContextIds; |
| import org.eclipse.jpt.ui.internal.mappings.JptUiMappingsMessages; |
| import org.eclipse.jpt.ui.internal.widgets.AbstractFormPane; |
| import org.eclipse.jpt.ui.internal.widgets.EnumComboViewer; |
| import org.eclipse.jpt.utility.internal.model.value.PropertyValueModel; |
| import org.eclipse.jpt.utility.internal.model.value.TransformationPropertyValueModel; |
| import org.eclipse.osgi.util.NLS; |
| 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: | EnumComboViewer | | |
| * | ---------------------------------------------------- | |
| * | ---------------------------------------------------- | |
| * | Column: | I |v| | |
| * | ---------------------------------------------------- | |
| * | ---------------------------------------------------- | |
| * | Discriminator Type: | EnumComboViewer |v| | |
| * | ---------------------------------------------------- | |
| * | ---------------------------------------------------- | |
| * | Discriminator Value: | I |v| | |
| * | ---------------------------------------------------- | |
| * | ------------------------------------------------------------------------- | |
| * | | | | |
| * | | PrimaryKeyJoinColumnsComposite | | |
| * | | | | |
| * | ------------------------------------------------------------------------- | |
| * -----------------------------------------------------------------------------</pre> |
| * |
| * @see IEntity |
| * @see EntityComposite - The parent container |
| * @see EnumComboViewer |
| * @see PrimaryKeyJoinColumnsComposite |
| * |
| * @version 2.0 |
| * @since 2.0 |
| */ |
| @SuppressWarnings("nls") |
| public class InheritanceComposite extends AbstractFormPane<IEntity> { |
| |
| private CCombo columnCombo; |
| private CCombo discriminatorValueCombo; |
| |
| /** |
| * Creates a new <code>InheritanceComposite</code>. |
| * |
| * @param parentPane The parent container of this one |
| * @param parent The parent container |
| */ |
| public InheritanceComposite(AbstractFormPane<? extends IEntity> parentPane, |
| Composite parent) { |
| |
| super(parentPane, parent); |
| } |
| |
| /** |
| * Creates a new <code>InheritanceComposite</code>. |
| * |
| * @param subjectHolder The holder of the subject <code>IEntity</code> |
| * @param parent The parent container |
| * @param widgetFactory The factory used to create various common widgets |
| */ |
| public InheritanceComposite(PropertyValueModel<? extends IEntity> subjectHolder, |
| Composite parent, |
| IWidgetFactory widgetFactory) { |
| |
| super(subjectHolder, parent,widgetFactory); |
| } |
| |
| private void addConnectionListener() { |
| // this.getConnectionProfile().addConnectionListener(this.connectionListener); |
| } |
| |
| /* |
| * (non-Javadoc) |
| */ |
| @Override |
| protected void addPropertyNames(Collection<String> propertyNames) { |
| super.addPropertyNames(propertyNames); |
| |
| propertyNames.add(IEntity.DEFAULT_DISCRIMINATOR_VALUE_PROPERTY); |
| propertyNames.add(IEntity.SPECIFIED_DISCRIMINATOR_VALUE_PROPERTY); |
| } |
| |
| private ModifyListener buildColumnComboSelectionListener() { |
| return new ModifyListener() { |
| public void modifyText(ModifyEvent e) { |
| CCombo combo = (CCombo) e.widget; |
| IDiscriminatorColumn discriminatorColumn = subject().getDiscriminatorColumn(); |
| String tableText = combo.getText(); |
| |
| if (tableText.equals("")) { |
| tableText = null; |
| if (discriminatorColumn.getSpecifiedName() == null || discriminatorColumn.getSpecifiedName().equals("")) { |
| return; |
| } |
| } |
| |
| if (tableText != null && combo.getItemCount() > 0 && tableText.equals(combo.getItem(0))) { |
| tableText = null; |
| } |
| |
| if (discriminatorColumn.getSpecifiedName() == null && tableText != null) { |
| discriminatorColumn.setSpecifiedName(tableText); |
| } |
| if (discriminatorColumn.getSpecifiedName() != null && !discriminatorColumn.getSpecifiedName().equals(tableText)) { |
| discriminatorColumn.setSpecifiedName(tableText); |
| } |
| } |
| }; |
| } |
| |
| private ConnectionListener buildConnectionListener() { |
| return new ConnectionListener() { |
| |
| public void aboutToClose(ConnectionProfile profile) { |
| // not interested to this event. |
| } |
| |
| public void closed(ConnectionProfile profile) { |
| getControl().getDisplay().asyncExec( new Runnable() { |
| public void run() { |
| if (getControl().isDisposed()) { |
| return; |
| } |
| InheritanceComposite.this.populateColumnCombo(); |
| } |
| }); |
| } |
| |
| public void databaseChanged(ConnectionProfile profile, final Database database) { |
| return; |
| } |
| |
| public void modified(ConnectionProfile profile) { |
| getControl().getDisplay().asyncExec( new Runnable() { |
| public void run() { |
| if (getControl().isDisposed()) { |
| return; |
| } |
| InheritanceComposite.this.populateColumnCombo(); |
| } |
| }); |
| } |
| |
| public boolean okToClose(ConnectionProfile profile) { |
| // not interested to this event. |
| return true; |
| } |
| |
| public void opened(ConnectionProfile profile) { |
| getControl().getDisplay().asyncExec( new Runnable() { |
| public void run() { |
| if (getControl().isDisposed()) { |
| return; |
| } |
| InheritanceComposite.this.populateColumnCombo(); |
| } |
| }); |
| } |
| |
| public void schemaChanged(ConnectionProfile profile, final Schema schema) { |
| return; |
| } |
| |
| public void tableChanged(ConnectionProfile profile, final Table table) { |
| getControl().getDisplay().asyncExec( new Runnable() { |
| public void run() { |
| if(table == getDbTable()) { |
| if (!getControl().isDisposed()) { |
| InheritanceComposite.this.populateColumnCombo(); |
| } |
| } |
| } |
| }); |
| } |
| }; |
| } |
| |
| private PropertyValueModel<IDiscriminatorColumn> buildDiscriminatorColumnHolder() { |
| return new TransformationPropertyValueModel<IEntity, IDiscriminatorColumn>(getSubjectHolder()) { |
| @Override |
| protected IDiscriminatorColumn transform_(IEntity value) { |
| return value.getDiscriminatorColumn(); |
| } |
| }; |
| } |
| |
| private EnumComboViewer<IDiscriminatorColumn, DiscriminatorType> buildDiscriminatorTypeCombo(Composite container) { |
| |
| return new EnumComboViewer<IDiscriminatorColumn, DiscriminatorType>( |
| this, |
| buildDiscriminatorColumnHolder(), |
| container) |
| { |
| @Override |
| protected DiscriminatorType[] choices() { |
| return DiscriminatorType.values(); |
| } |
| |
| @Override |
| protected DiscriminatorType defaultValue() { |
| return subject().getDefaultDiscriminatorType(); |
| } |
| |
| @Override |
| protected String displayString(DiscriminatorType value) { |
| return buildDisplayString( |
| JptUiMappingsMessages.class, |
| InheritanceComposite.this, |
| value |
| ); |
| } |
| |
| @Override |
| protected DiscriminatorType getValue() { |
| return subject().getSpecifiedDiscriminatorType(); |
| } |
| |
| @Override |
| protected String propertyName() { |
| return IDiscriminatorColumn.SPECIFIED_DISCRIMINATOR_TYPE_PROPERTY; |
| } |
| |
| @Override |
| protected void setValue(DiscriminatorType value) { |
| subject().setSpecifiedDiscriminatorType(value); |
| } |
| }; |
| } |
| |
| private ModifyListener buildDiscriminatorValueComboSelectionListener() { |
| return new ModifyListener() { |
| public void modifyText(ModifyEvent e) { |
| CCombo combo = (CCombo) e.widget; |
| String value = combo.getText(); |
| String discriminatorValue = subject().getSpecifiedDiscriminatorValue(); |
| |
| if (value.equals("")) { |
| value = null; |
| if (discriminatorValue == null || discriminatorValue.equals("")) { |
| return; |
| } |
| } |
| |
| if (value != null && combo.getItemCount() > 0 && value.equals(combo.getItem(0))) { |
| value = null; |
| } |
| |
| if (discriminatorValue == null || !discriminatorValue.equals(value)) { |
| subject().setSpecifiedDiscriminatorValue(value); |
| } |
| } |
| }; |
| } |
| |
| private EnumComboViewer<IEntity, InheritanceType> buildStrategyCombo(Composite container) { |
| |
| return new EnumComboViewer<IEntity, InheritanceType>(this, container) { |
| @Override |
| protected InheritanceType[] choices() { |
| return InheritanceType.values(); |
| } |
| |
| @Override |
| protected InheritanceType defaultValue() { |
| return subject().getDefaultInheritanceStrategy(); |
| } |
| |
| @Override |
| protected String displayString(InheritanceType value) { |
| return buildDisplayString( |
| JptUiMappingsMessages.class, |
| InheritanceComposite.this, |
| value |
| ); |
| } |
| |
| @Override |
| protected InheritanceType getValue() { |
| return subject().getSpecifiedInheritanceStrategy(); |
| } |
| |
| @Override |
| protected String propertyName() { |
| return IEntity.SPECIFIED_INHERITANCE_STRATEGY_PROPERTY; |
| } |
| |
| @Override |
| protected void setValue(InheritanceType value) { |
| subject().setSpecifiedInheritanceStrategy(value); |
| } |
| }; |
| } |
| |
| /* |
| * (non-Javadoc) |
| */ |
| @Override |
| protected void doPopulate() { |
| super.doPopulate(); |
| populateColumnCombo(); |
| populateDiscriminatorValueCombo(); |
| } |
| |
| private Table getDbTable() { |
| return this.subject().primaryDbTable(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| */ |
| @Override |
| protected void initializeLayout(Composite container) { |
| |
| // Strategy widgets |
| EnumComboViewer<IEntity, InheritanceType> strategyViewer = |
| buildStrategyCombo(container); |
| |
| buildLabeledComposite( |
| container, |
| JptUiMappingsMessages.InheritanceComposite_strategy, |
| strategyViewer.getControl(), |
| IJpaHelpContextIds.ENTITY_INHERITANCE_STRATEGY |
| ); |
| |
| // Column widgets |
| columnCombo = buildCombo(container); |
| columnCombo.add(JptUiMappingsMessages.ColumnComposite_defaultEmpty); |
| columnCombo.addModifyListener(buildColumnComboSelectionListener()); |
| |
| buildLabeledComposite( |
| container, |
| JptUiMappingsMessages.DiscriminatorColumnComposite_column, |
| columnCombo, |
| IJpaHelpContextIds.ENTITY_INHERITANCE_DISCRIMINATOR_COLUMN |
| ); |
| |
| // Discriminator Type widgets |
| EnumComboViewer<IDiscriminatorColumn, DiscriminatorType> discriminatorTypeViewer = |
| buildDiscriminatorTypeCombo(container); |
| |
| buildLabeledComposite( |
| container, |
| JptUiMappingsMessages.DiscriminatorColumnComposite_discriminatorType, |
| discriminatorTypeViewer.getControl(), |
| IJpaHelpContextIds.ENTITY_INHERITANCE_DISCRIMINATOR_TYPE |
| ); |
| |
| // Discrinator Value widgets |
| discriminatorValueCombo = buildCombo(container); |
| discriminatorValueCombo.addModifyListener(buildDiscriminatorValueComboSelectionListener()); |
| |
| buildLabeledComposite( |
| container, |
| JptUiMappingsMessages.InheritanceComposite_discriminatorValue, |
| discriminatorValueCombo, |
| IJpaHelpContextIds.ENTITY_INHERITANCE_DISCRIMINATOR_VALUE |
| ); |
| |
| // Primary Key Join Columns widgets |
| new PrimaryKeyJoinColumnsComposite( |
| this, |
| container |
| ); |
| } |
| |
| private void populateColumnCombo() { |
| //TODO don't do instanceof check here - check on Table, or isRoot check on Entity |
| //this.tableCombo.setEnabled(!(this.table instanceof SingleTableInheritanceChildTableImpl)); |
| populateDefaultColumnName(); |
| |
| // if (this.getConnectionProfile().isConnected()) { |
| // this.columnCombo.remove(1, this.columnCombo.getItemCount()-1); |
| // Table table = getDbTable(); |
| // if (table != null) { |
| // for (Iterator i = CollectionTools.sort(CollectionTools.list(table.columnNames())).iterator(); i.hasNext();) { |
| // this.columnCombo.add((String) i.next()); |
| // } |
| // } |
| // } |
| // else { |
| // this.columnCombo.remove(1, this.columnCombo.getItemCount()-1); |
| // } |
| |
| populateColumnName(); |
| } |
| |
| private void populateColumnName() { |
| IDiscriminatorColumn discriminatorColumn = subject().getDiscriminatorColumn(); |
| String tableName = discriminatorColumn.getSpecifiedName(); |
| String defaultName = discriminatorColumn.getDefaultName(); |
| |
| if (tableName != null) { |
| if (!this.columnCombo.getText().equals(tableName)) { |
| this.columnCombo.setText(tableName); |
| } |
| } |
| else { |
| if (!this.columnCombo.getText().equals(NLS.bind(JptUiMappingsMessages.ColumnComposite_defaultWithOneParam, defaultName))) { |
| this.columnCombo.select(0); |
| } |
| } |
| } |
| |
| private void populateDefaultColumnName() { |
| IDiscriminatorColumn discriminatorColumn = subject().getDiscriminatorColumn(); |
| String defaultTableName = discriminatorColumn.getDefaultName(); |
| int selectionIndex = columnCombo.getSelectionIndex(); |
| columnCombo.setItem(0, NLS.bind(JptUiMappingsMessages.ColumnComposite_defaultWithOneParam, defaultTableName)); |
| if (selectionIndex == 0) { |
| //combo text does not update when switching between 2 mappings of the same type |
| //that both have a default column name. clear the selection and then set it again |
| columnCombo.clearSelection(); |
| columnCombo.select(0); |
| } |
| } |
| |
| private void populateDiscriminatorValueCombo() { |
| String specifiedValue = this.subject().getSpecifiedDiscriminatorValue(); |
| String defaultValue = this.subject().getDefaultDiscriminatorValue(); |
| |
| if (true) { // TODO this.subject().discriminatorValueIsAllowed()) { |
| this.discriminatorValueCombo.setEnabled(true); |
| if (this.discriminatorValueCombo.getItemCount() == 0) { |
| this.discriminatorValueCombo.add(JptUiMappingsMessages.DiscriminatorColumnComposite_defaultEmpty); |
| } |
| if (defaultValue != null) { |
| this.discriminatorValueCombo.setItem(0, NLS.bind(JptUiMappingsMessages.ColumnComposite_defaultWithOneParam, defaultValue)); |
| } |
| else { |
| this.discriminatorValueCombo.setItem(0, JptUiMappingsMessages.DiscriminatorColumnComposite_defaultEmpty); |
| } |
| } |
| else { |
| this.discriminatorValueCombo.setEnabled(false); |
| if (this.discriminatorValueCombo.getItemCount() == 1) { |
| this.discriminatorValueCombo.setText(""); |
| this.discriminatorValueCombo.removeAll(); |
| } |
| } |
| |
| if (specifiedValue != null) { |
| if (!this.discriminatorValueCombo.getText().equals(specifiedValue)) { |
| this.discriminatorValueCombo.setText(specifiedValue); |
| } |
| } |
| else { |
| //combo text does not update when switching between 2 entities that both have a default discriminator value. |
| //clear the selection and then set it again |
| this.discriminatorValueCombo.clearSelection(); |
| this.discriminatorValueCombo.select(0); |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| */ |
| @Override |
| protected void propertyChanged(String propertyName) { |
| super.propertyChanged(propertyName); |
| |
| if (propertyName == IEntity.DEFAULT_DISCRIMINATOR_VALUE_PROPERTY || |
| propertyName == IEntity.SPECIFIED_DISCRIMINATOR_VALUE_PROPERTY) |
| { |
| populateDiscriminatorValueCombo(); |
| } |
| } |
| |
| private void removeConnectionListener() { |
| // this.getConnectionProfile().removeConnectionListener(this.connectionListener); |
| } |
| } |
