jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/mappings/details/JoinTableComposite.java - dali/webtools.dali - Git at Google

 /*******************************************************************************
  * Copyright (c) 2005, 2007 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 java.util.Iterator;
 import java.util.ListIterator;
 import org.eclipse.jpt.core.internal.context.base.IJoinColumn;
 import org.eclipse.jpt.core.internal.context.base.IJoinTable;
 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.mappings.db.TableCombo;
 import org.eclipse.jpt.ui.internal.mappings.details.JoinColumnsComposite.IJoinColumnsEditor;
 import org.eclipse.jpt.ui.internal.widgets.AbstractFormPane;
 import org.eclipse.jpt.ui.internal.widgets.PostExecution;
 import org.eclipse.jpt.utility.internal.iterators.EmptyIterator;
 import org.eclipse.jpt.utility.internal.model.value.PropertyValueModel;
 import org.eclipse.jpt.utility.internal.model.value.SimplePropertyValueModel;
 import org.eclipse.jpt.utility.internal.model.value.WritablePropertyValueModel;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Group;

 /**
  * Here the layout of this pane:
  * <pre>
  * -----------------------------------------------------------------------------
  * |         ---------------------------------------------------------------   |
  * |   Name: |                                                           |v|   |
  * |         ---------------------------------------------------------------   |
  * |                                                                           |
  * |   x Override Default Join Columns                                         |
  * |                                                                           |
  * | ------------------------------------------------------------------------- |
  * | |                                                                       | |
  * | | JoinColumnsComposite                                                  | |
  * | |                                                                       | |
  * | ------------------------------------------------------------------------- |
  * |                                                                           |
  * |   x Override Default Inverse Join Columns                                 |
  * |                                                                           |
  * | ------------------------------------------------------------------------- |
  * | |                                                                       | |
  * | | JoinColumnsComposite                                                  | |
  * | |                                                                       | |
  * | ------------------------------------------------------------------------- |
  * -----------------------------------------------------------------------------</pre>
  *
  * @see IJoinTable
  * @see OneToManyMappingComposite - A container of this pane
  * @see ManyToManyMappingComposite - A container of this pane
  * @see JoinColumnsComposite
  *
  * @version 2.0
  * @since 1.0
  */
 public class JoinTableComposite extends AbstractFormPane<IJoinTable>
 {
 	private Button overrideDefaultInverseJoinColumnsCheckBox;
 	private Button overrideDefaultJoinColumnsCheckBox;

 	/**
 	 * Creates a new <code>JoinTableComposite</code>.
 	 *
 	 * @param parentPane The parent container of this one
 	 * @param subjectHolder The holder of this pane's subject
 	 * @param parent The parent container
 	 */
 	public JoinTableComposite(AbstractFormPane<?> parentPane,
 	                          PropertyValueModel<? extends IJoinTable> subjectHolder,
 	                          Composite parent) {

 		super(parentPane, subjectHolder, parent);
 	}

 	/**
 	 * Creates a new <code>JoinTableComposite</code>.
 	 *
 	 * @param subjectHolder The holder of the subject <code>IJoinTable</code>
 	 * @param parent The parent container
 	 * @param widgetFactory The factory used to create various common widgets
 	 */
 	public JoinTableComposite(PropertyValueModel<? extends IJoinTable> subjectHolder,
 	                          Composite parent,
 	                          IWidgetFactory widgetFactory) {

 		super(subjectHolder, parent, widgetFactory);
 	}

 	private void addInverseJoinColumn(IJoinTable joinTable) {

 		InverseJoinColumnDialog dialog = new InverseJoinColumnDialog(shell(), joinTable);
 		dialog.openDialog(buildAddInverseJoinColumnPostExecution());
 	}

 	private void addInverseJoinColumnFromDialog(JoinColumnInJoinTableStateObject stateObject) {

 		int index = subject().specifiedInverseJoinColumnsSize();
 		IJoinColumn joinColumn = subject().addSpecifiedInverseJoinColumn(index);
 		joinColumn.setSpecifiedName(stateObject.getSelectedName());
 		joinColumn.setSpecifiedReferencedColumnName(stateObject.getSpecifiedReferencedColumnName());
 	}

 	private void addJoinColumn(IJoinTable joinTable) {

 		JoinColumnInJoinTableDialog dialog = new JoinColumnInJoinTableDialog(shell(), joinTable);
 		dialog.openDialog(buildAddJoinColumnPostExecution());
 	}

 	private void addJoinColumnFromDialog(JoinColumnInJoinTableStateObject stateObject) {

 		int index = subject().specifiedJoinColumnsSize();
 		IJoinColumn joinColumn = subject().addSpecifiedJoinColumn(index);
 		joinColumn.setSpecifiedName(stateObject.getSelectedName());
 		joinColumn.setSpecifiedReferencedColumnName(stateObject.getSpecifiedReferencedColumnName());
 	}

 	private PostExecution<InverseJoinColumnDialog> buildAddInverseJoinColumnPostExecution() {
 		return new PostExecution<InverseJoinColumnDialog>() {
 			public void execute(InverseJoinColumnDialog dialog) {
 				if (dialog.wasConfirmed()) {
 					addInverseJoinColumnFromDialog(dialog.subject());
 				}
 			}
 		};
 	}

 	private PostExecution<JoinColumnInJoinTableDialog> buildAddJoinColumnPostExecution() {
 		return new PostExecution<JoinColumnInJoinTableDialog>() {
 			public void execute(JoinColumnInJoinTableDialog dialog) {
 				if (dialog.wasConfirmed()) {
 					addJoinColumnFromDialog(dialog.subject());
 				}
 			}
 		};
 	}

 	private PostExecution<JoinColumnInJoinTableDialog> buildEditInverseJoinColumnPostExecution() {
 		return new PostExecution<JoinColumnInJoinTableDialog>() {
 			public void execute(JoinColumnInJoinTableDialog dialog) {
 				if (dialog.wasConfirmed()) {
 					editJoinColumn(dialog.subject());
 				}
 			}
 		};
 	}

 	private PostExecution<JoinColumnInJoinTableDialog> buildEditJoinColumnPostExecution() {
 		return new PostExecution<JoinColumnInJoinTableDialog>() {
 			public void execute(JoinColumnInJoinTableDialog dialog) {
 				if (dialog.wasConfirmed()) {
 					editJoinColumn(dialog.subject());
 				}
 			}
 		};
 	}

 	private InverseJoinColumnsProvider buildInverseJoinColumnsEditor() {
 		return new InverseJoinColumnsProvider();
 	}

 	private JoinColumnsProvider buildJoinColumnsEditor() {
 		return new JoinColumnsProvider();
 	}

 	private WritablePropertyValueModel<Boolean> buildOverrideDefaultHolder() {
 		// TODO
 		return new SimplePropertyValueModel<Boolean>();
 	}

 	private SelectionListener buildOverrideDefaultInverseSelectionListener() {
 		return new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				Button button = (Button) e.widget;
 				IJoinTable joinTable = subject();

 				if (button.getSelection()) {
 					IJoinColumn defaultJoinColumn = joinTable.defaultInverseJoinColumns().next();
 					String columnName = defaultJoinColumn.getDefaultName();
 					String referencedColumnName = defaultJoinColumn.getDefaultReferencedColumnName();

 					IJoinColumn joinColumn = joinTable.addSpecifiedInverseJoinColumn(0);
 					joinColumn.setSpecifiedName(columnName);
 					joinColumn.setSpecifiedReferencedColumnName(referencedColumnName);
 				}
 				else {
 					for (int index = joinTable.specifiedInverseJoinColumnsSize(); --index >= 0; ) {
 						joinTable.removeSpecifiedJoinColumn(index);
 					}
 				}
 			}
 		};
 	}

 	private SelectionListener buildOverrideDefaultSelectionListener() {
 		return new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				Button button = (Button) e.widget;
 				IJoinTable joinTable = subject();

 				if (button.getSelection()) {
 					IJoinColumn defaultJoinColumn = joinTable.defaultJoinColumns().next();
 					String columnName = defaultJoinColumn.getDefaultName();
 					String referencedColumnName = defaultJoinColumn.getDefaultReferencedColumnName();

 					IJoinColumn joinColumn = joinTable.addSpecifiedJoinColumn(0);
 					joinColumn.setSpecifiedName(columnName);
 					joinColumn.setSpecifiedReferencedColumnName(referencedColumnName);
 				}
 				else {
 					for (int index = joinTable.specifiedJoinColumnsSize(); --index >= 0; ) {
 						joinTable.removeSpecifiedJoinColumn(index);
 					}
 				}
 			}
 		};
 	}

 	private Composite buildPane(Composite container, int groupBoxMargin) {
 		return buildSubPane(container, groupBoxMargin, 0, groupBoxMargin, 0, groupBoxMargin);
 	}


 	private TableCombo<IJoinTable> buildTableCombo(Composite container) {

 		return new TableCombo<IJoinTable>(this, container) {

 			@Override
 			protected void addPropertyNames(Collection<String> propertyNames) {
 				super.addPropertyNames(propertyNames);
 				propertyNames.add(IJoinTable.DEFAULT_NAME_PROPERTY);
 				propertyNames.add(IJoinTable.SPECIFIED_NAME_PROPERTY);
 			}

 			@Override
 			protected String defaultValue() {
 				return subject().getDefaultName();
 			}

 			@Override
 			protected void setValue(String value) {
 				subject().setSpecifiedName(value);
 			}

 			@Override
 			protected Table table() {
 				return subject().dbTable();
 			}

 			private Schema tableSchema() {
 				return database().schemaNamed(subject().getSchema());
 			}

 			@Override
 			protected String value() {
 				return subject().getSpecifiedName();
 			}

 			@Override
 			protected Iterator<String> values() {
 				Schema schema = tableSchema();

 				if (schema != null) {
 					return schema.tableNames();
 				}

 				return EmptyIterator.instance();
 			}
 		};
 	}

 	private void editInverseJoinColumn(IJoinColumn joinColumn) {

 		InverseJoinColumnDialog dialog =
 			new InverseJoinColumnDialog(shell(), joinColumn);

 		dialog.openDialog(buildEditInverseJoinColumnPostExecution());
 	}

 	private void editJoinColumn(IJoinColumn joinColumn) {

 		JoinColumnInJoinTableDialog dialog =
 			new JoinColumnInJoinTableDialog(shell(), joinColumn);

 		dialog.openDialog(buildEditJoinColumnPostExecution());
 	}

 	private void editJoinColumn(JoinColumnInJoinTableStateObject stateObject) {

 		IJoinColumn joinColumn = stateObject.getJoinColumn();
 		String name = stateObject.getSelectedName();
 		String referencedColumnName = stateObject.getSpecifiedReferencedColumnName();

 		if (stateObject.isDefaultNameSelected()) {
 			if (joinColumn.getSpecifiedName() != null) {
 				joinColumn.setSpecifiedName(null);
 			}
 		}
 		else if (joinColumn.getSpecifiedName() == null ||
 		        !joinColumn.getSpecifiedName().equals(name)){

 			joinColumn.setSpecifiedName(name);
 		}

 		if (stateObject.isDefaultReferencedColumnNameSelected()) {
 			if (joinColumn.getSpecifiedReferencedColumnName() != null) {
 				joinColumn.setSpecifiedReferencedColumnName(null);
 			}
 		}
 		else if (joinColumn.getSpecifiedReferencedColumnName() == null ||
 		        !joinColumn.getSpecifiedReferencedColumnName().equals(referencedColumnName)){

 			joinColumn.setSpecifiedReferencedColumnName(referencedColumnName);
 		}
 	}

 	/*
 	 * (non-Javadoc)
 	 */
 	@Override
 	protected void initializeLayout(Composite container) {

 		int groupBoxMargin = groupBoxMargin();

 		// Name widgets
 		TableCombo<IJoinTable> tableCombo = buildTableCombo(container);

 		buildLabeledComposite(
 			buildPane(container, groupBoxMargin),
 			JptUiMappingsMessages.JoinTableComposite_name,
 			tableCombo.getControl(),
 			IJpaHelpContextIds.MAPPING_JOIN_TABLE_NAME
 		);

 		// Override Default Join Columns check box
 		overrideDefaultJoinColumnsCheckBox = buildCheckBox(
 			buildPane(container, groupBoxMargin),
 			JptUiMappingsMessages.JoinTableComposite_overrideDefaultJoinColumns,
 			buildOverrideDefaultHolder()
 		);

 		overrideDefaultJoinColumnsCheckBox.addSelectionListener(
 			buildOverrideDefaultSelectionListener()
 		);

 		// Join Columns widgets
 		Group joinColumnGroupPane = buildTitledPane(
 			container,
 			JptUiMappingsMessages.JoinTableComposite_joinColumn
 		);

 		new JoinColumnsComposite<IJoinTable>(
 			this,
 			joinColumnGroupPane,
 			buildJoinColumnsEditor()
 		);

 		// Override Default Inverse Join Columns check box
 		overrideDefaultInverseJoinColumnsCheckBox = buildCheckBox(
 			buildPane(container, groupBoxMargin),
 			JptUiMappingsMessages.JoinTableComposite_overrideDefaultInverseJoinColumns,
 			buildOverrideDefaultHolder()
 		);

 		overrideDefaultInverseJoinColumnsCheckBox.addSelectionListener(
 			buildOverrideDefaultInverseSelectionListener()
 		);

 		// Inverse Join Columns widgets
 		Group inverseJoinColumnGroupPane = buildTitledPane(
 			container,
 			JptUiMappingsMessages.JoinTableComposite_inverseJoinColumn
 		);

 		new JoinColumnsComposite<IJoinTable>(
 			this,
 			inverseJoinColumnGroupPane,
 			buildInverseJoinColumnsEditor()
 		);
 	}

 	private class InverseJoinColumnsProvider implements IJoinColumnsEditor<IJoinTable> {

 		public void addJoinColumn(IJoinTable subject) {
 			JoinTableComposite.this.addInverseJoinColumn(subject);
 		}

 		public void editJoinColumn(IJoinTable subject, IJoinColumn joinColumn) {
 			JoinTableComposite.this.editInverseJoinColumn(joinColumn);
 		}

 		public boolean hasSpecifiedJoinColumns(IJoinTable subject) {
 			return subject.containsSpecifiedInverseJoinColumns();
 		}

 		public ListIterator<IJoinColumn> joinColumns(IJoinTable subject) {
 			return subject.inverseJoinColumns();
 		}

 		public String[] propertyNames() {
 			return new String[] {
 				IJoinTable.DEFAULT_INVERSE_JOIN_COLUMNS_LIST,
 				IJoinTable.SPECIFIED_INVERSE_JOIN_COLUMNS_LIST
 			};
 		}

 		public void removeJoinColumns(IJoinTable subject, int[] selectedIndices) {
 			for (int index = selectedIndices.length; --index >= 0; ) {
 				subject.removeSpecifiedInverseJoinColumn(selectedIndices[index]);
 			}
 		}
 	}

 	private class JoinColumnsProvider implements IJoinColumnsEditor<IJoinTable> {

 		public void addJoinColumn(IJoinTable subject) {
 			JoinTableComposite.this.addJoinColumn(subject);
 		}

 		public void editJoinColumn(IJoinTable subject, IJoinColumn joinColumn) {
 			JoinTableComposite.this.editJoinColumn(joinColumn);
 		}

 		public boolean hasSpecifiedJoinColumns(IJoinTable subject) {
 			return subject.containsSpecifiedJoinColumns();
 		}

 		public ListIterator<IJoinColumn> joinColumns(IJoinTable subject) {
 			return subject.joinColumns();
 		}

 		public String[] propertyNames() {
 			return new String[] {
 				IJoinTable.DEFAULT_JOIN_COLUMNS_LIST,
 				IJoinTable.SPECIFIED_JOIN_COLUMNS_LIST
 			};
 		}

 		public void removeJoinColumns(IJoinTable subject, int[] selectedIndices) {
 			for (int index = selectedIndices.length; --index >= 0; ) {
 				subject.removeSpecifiedJoinColumn(selectedIndices[index]);
 			}
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2005, 2007 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 java.util.Iterator;
	import java.util.ListIterator;
	import org.eclipse.jpt.core.internal.context.base.IJoinColumn;
	import org.eclipse.jpt.core.internal.context.base.IJoinTable;
	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.mappings.db.TableCombo;
	import org.eclipse.jpt.ui.internal.mappings.details.JoinColumnsComposite.IJoinColumnsEditor;
	import org.eclipse.jpt.ui.internal.widgets.AbstractFormPane;
	import org.eclipse.jpt.ui.internal.widgets.PostExecution;
	import org.eclipse.jpt.utility.internal.iterators.EmptyIterator;
	import org.eclipse.jpt.utility.internal.model.value.PropertyValueModel;
	import org.eclipse.jpt.utility.internal.model.value.SimplePropertyValueModel;
	import org.eclipse.jpt.utility.internal.model.value.WritablePropertyValueModel;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.events.SelectionListener;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Group;

	/**
	* Here the layout of this pane:
	* <pre>
	* -----------------------------------------------------------------------------
	* \| --------------------------------------------------------------- \|
	* \| Name: \| \|v\| \|
	* \| --------------------------------------------------------------- \|
	* \| \|
	* \| x Override Default Join Columns \|
	* \| \|
	* \| ------------------------------------------------------------------------- \|
	* \| \| \| \|
	* \| \| JoinColumnsComposite \| \|
	* \| \| \| \|
	* \| ------------------------------------------------------------------------- \|
	* \| \|
	* \| x Override Default Inverse Join Columns \|
	* \| \|
	* \| ------------------------------------------------------------------------- \|
	* \| \| \| \|
	* \| \| JoinColumnsComposite \| \|
	* \| \| \| \|
	* \| ------------------------------------------------------------------------- \|
	* -----------------------------------------------------------------------------</pre>
	*
	* @see IJoinTable
	* @see OneToManyMappingComposite - A container of this pane
	* @see ManyToManyMappingComposite - A container of this pane
	* @see JoinColumnsComposite
	*
	* @version 2.0
	* @since 1.0
	*/
	public class JoinTableComposite extends AbstractFormPane<IJoinTable>
	{
	private Button overrideDefaultInverseJoinColumnsCheckBox;
	private Button overrideDefaultJoinColumnsCheckBox;

	/**
	* Creates a new <code>JoinTableComposite</code>.
	*
	* @param parentPane The parent container of this one
	* @param subjectHolder The holder of this pane's subject
	* @param parent The parent container
	*/
	public JoinTableComposite(AbstractFormPane<?> parentPane,
	PropertyValueModel<? extends IJoinTable> subjectHolder,
	Composite parent) {

	super(parentPane, subjectHolder, parent);
	}

	/**
	* Creates a new <code>JoinTableComposite</code>.
	*
	* @param subjectHolder The holder of the subject <code>IJoinTable</code>
	* @param parent The parent container
	* @param widgetFactory The factory used to create various common widgets
	*/
	public JoinTableComposite(PropertyValueModel<? extends IJoinTable> subjectHolder,
	Composite parent,
	IWidgetFactory widgetFactory) {

	super(subjectHolder, parent, widgetFactory);
	}

	private void addInverseJoinColumn(IJoinTable joinTable) {

	InverseJoinColumnDialog dialog = new InverseJoinColumnDialog(shell(), joinTable);
	dialog.openDialog(buildAddInverseJoinColumnPostExecution());
	}

	private void addInverseJoinColumnFromDialog(JoinColumnInJoinTableStateObject stateObject) {

	int index = subject().specifiedInverseJoinColumnsSize();
	IJoinColumn joinColumn = subject().addSpecifiedInverseJoinColumn(index);
	joinColumn.setSpecifiedName(stateObject.getSelectedName());
	joinColumn.setSpecifiedReferencedColumnName(stateObject.getSpecifiedReferencedColumnName());
	}

	private void addJoinColumn(IJoinTable joinTable) {

	JoinColumnInJoinTableDialog dialog = new JoinColumnInJoinTableDialog(shell(), joinTable);
	dialog.openDialog(buildAddJoinColumnPostExecution());
	}

	private void addJoinColumnFromDialog(JoinColumnInJoinTableStateObject stateObject) {

	int index = subject().specifiedJoinColumnsSize();
	IJoinColumn joinColumn = subject().addSpecifiedJoinColumn(index);
	joinColumn.setSpecifiedName(stateObject.getSelectedName());
	joinColumn.setSpecifiedReferencedColumnName(stateObject.getSpecifiedReferencedColumnName());
	}

	private PostExecution<InverseJoinColumnDialog> buildAddInverseJoinColumnPostExecution() {
	return new PostExecution<InverseJoinColumnDialog>() {
	public void execute(InverseJoinColumnDialog dialog) {
	if (dialog.wasConfirmed()) {
	addInverseJoinColumnFromDialog(dialog.subject());
	}
	}
	};
	}

	private PostExecution<JoinColumnInJoinTableDialog> buildAddJoinColumnPostExecution() {
	return new PostExecution<JoinColumnInJoinTableDialog>() {
	public void execute(JoinColumnInJoinTableDialog dialog) {
	if (dialog.wasConfirmed()) {
	addJoinColumnFromDialog(dialog.subject());
	}
	}
	};
	}

	private PostExecution<JoinColumnInJoinTableDialog> buildEditInverseJoinColumnPostExecution() {
	return new PostExecution<JoinColumnInJoinTableDialog>() {
	public void execute(JoinColumnInJoinTableDialog dialog) {
	if (dialog.wasConfirmed()) {
	editJoinColumn(dialog.subject());
	}
	}
	};
	}

	private PostExecution<JoinColumnInJoinTableDialog> buildEditJoinColumnPostExecution() {
	return new PostExecution<JoinColumnInJoinTableDialog>() {
	public void execute(JoinColumnInJoinTableDialog dialog) {
	if (dialog.wasConfirmed()) {
	editJoinColumn(dialog.subject());
	}
	}
	};
	}

	private InverseJoinColumnsProvider buildInverseJoinColumnsEditor() {
	return new InverseJoinColumnsProvider();
	}

	private JoinColumnsProvider buildJoinColumnsEditor() {
	return new JoinColumnsProvider();
	}

	private WritablePropertyValueModel<Boolean> buildOverrideDefaultHolder() {
	// TODO
	return new SimplePropertyValueModel<Boolean>();
	}

	private SelectionListener buildOverrideDefaultInverseSelectionListener() {
	return new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	Button button = (Button) e.widget;
	IJoinTable joinTable = subject();

	if (button.getSelection()) {
	IJoinColumn defaultJoinColumn = joinTable.defaultInverseJoinColumns().next();
	String columnName = defaultJoinColumn.getDefaultName();
	String referencedColumnName = defaultJoinColumn.getDefaultReferencedColumnName();

	IJoinColumn joinColumn = joinTable.addSpecifiedInverseJoinColumn(0);
	joinColumn.setSpecifiedName(columnName);
	joinColumn.setSpecifiedReferencedColumnName(referencedColumnName);
	}
	else {
	for (int index = joinTable.specifiedInverseJoinColumnsSize(); --index >= 0; ) {
	joinTable.removeSpecifiedJoinColumn(index);
	}
	}
	}
	};
	}

	private SelectionListener buildOverrideDefaultSelectionListener() {
	return new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	Button button = (Button) e.widget;
	IJoinTable joinTable = subject();

	if (button.getSelection()) {
	IJoinColumn defaultJoinColumn = joinTable.defaultJoinColumns().next();
	String columnName = defaultJoinColumn.getDefaultName();
	String referencedColumnName = defaultJoinColumn.getDefaultReferencedColumnName();

	IJoinColumn joinColumn = joinTable.addSpecifiedJoinColumn(0);
	joinColumn.setSpecifiedName(columnName);
	joinColumn.setSpecifiedReferencedColumnName(referencedColumnName);
	}
	else {
	for (int index = joinTable.specifiedJoinColumnsSize(); --index >= 0; ) {
	joinTable.removeSpecifiedJoinColumn(index);
	}
	}
	}
	};
	}

	private Composite buildPane(Composite container, int groupBoxMargin) {
	return buildSubPane(container, groupBoxMargin, 0, groupBoxMargin, 0, groupBoxMargin);
	}


	private TableCombo<IJoinTable> buildTableCombo(Composite container) {

	return new TableCombo<IJoinTable>(this, container) {

	@Override
	protected void addPropertyNames(Collection<String> propertyNames) {
	super.addPropertyNames(propertyNames);
	propertyNames.add(IJoinTable.DEFAULT_NAME_PROPERTY);
	propertyNames.add(IJoinTable.SPECIFIED_NAME_PROPERTY);
	}

	@Override
	protected String defaultValue() {
	return subject().getDefaultName();
	}

	@Override
	protected void setValue(String value) {
	subject().setSpecifiedName(value);
	}

	@Override
	protected Table table() {
	return subject().dbTable();
	}

	private Schema tableSchema() {
	return database().schemaNamed(subject().getSchema());
	}

	@Override
	protected String value() {
	return subject().getSpecifiedName();
	}

	@Override
	protected Iterator<String> values() {
	Schema schema = tableSchema();

	if (schema != null) {
	return schema.tableNames();
	}

	return EmptyIterator.instance();
	}
	};
	}

	private void editInverseJoinColumn(IJoinColumn joinColumn) {

	InverseJoinColumnDialog dialog =
	new InverseJoinColumnDialog(shell(), joinColumn);

	dialog.openDialog(buildEditInverseJoinColumnPostExecution());
	}

	private void editJoinColumn(IJoinColumn joinColumn) {

	JoinColumnInJoinTableDialog dialog =
	new JoinColumnInJoinTableDialog(shell(), joinColumn);

	dialog.openDialog(buildEditJoinColumnPostExecution());
	}

	private void editJoinColumn(JoinColumnInJoinTableStateObject stateObject) {

	IJoinColumn joinColumn = stateObject.getJoinColumn();
	String name = stateObject.getSelectedName();
	String referencedColumnName = stateObject.getSpecifiedReferencedColumnName();

	if (stateObject.isDefaultNameSelected()) {
	if (joinColumn.getSpecifiedName() != null) {
	joinColumn.setSpecifiedName(null);
	}
	}
	else if (joinColumn.getSpecifiedName() == null \|\|
	!joinColumn.getSpecifiedName().equals(name)){

	joinColumn.setSpecifiedName(name);
	}

	if (stateObject.isDefaultReferencedColumnNameSelected()) {
	if (joinColumn.getSpecifiedReferencedColumnName() != null) {
	joinColumn.setSpecifiedReferencedColumnName(null);
	}
	}
	else if (joinColumn.getSpecifiedReferencedColumnName() == null \|\|
	!joinColumn.getSpecifiedReferencedColumnName().equals(referencedColumnName)){

	joinColumn.setSpecifiedReferencedColumnName(referencedColumnName);
	}
	}

	/*
	* (non-Javadoc)
	*/
	@Override
	protected void initializeLayout(Composite container) {

	int groupBoxMargin = groupBoxMargin();

	// Name widgets
	TableCombo<IJoinTable> tableCombo = buildTableCombo(container);

	buildLabeledComposite(
	buildPane(container, groupBoxMargin),
	JptUiMappingsMessages.JoinTableComposite_name,
	tableCombo.getControl(),
	IJpaHelpContextIds.MAPPING_JOIN_TABLE_NAME
	);

	// Override Default Join Columns check box
	overrideDefaultJoinColumnsCheckBox = buildCheckBox(
	buildPane(container, groupBoxMargin),
	JptUiMappingsMessages.JoinTableComposite_overrideDefaultJoinColumns,
	buildOverrideDefaultHolder()
	);

	overrideDefaultJoinColumnsCheckBox.addSelectionListener(
	buildOverrideDefaultSelectionListener()
	);

	// Join Columns widgets
	Group joinColumnGroupPane = buildTitledPane(
	container,
	JptUiMappingsMessages.JoinTableComposite_joinColumn
	);

	new JoinColumnsComposite<IJoinTable>(
	this,
	joinColumnGroupPane,
	buildJoinColumnsEditor()
	);

	// Override Default Inverse Join Columns check box
	overrideDefaultInverseJoinColumnsCheckBox = buildCheckBox(
	buildPane(container, groupBoxMargin),
	JptUiMappingsMessages.JoinTableComposite_overrideDefaultInverseJoinColumns,
	buildOverrideDefaultHolder()
	);

	overrideDefaultInverseJoinColumnsCheckBox.addSelectionListener(
	buildOverrideDefaultInverseSelectionListener()
	);

	// Inverse Join Columns widgets
	Group inverseJoinColumnGroupPane = buildTitledPane(
	container,
	JptUiMappingsMessages.JoinTableComposite_inverseJoinColumn
	);

	new JoinColumnsComposite<IJoinTable>(
	this,
	inverseJoinColumnGroupPane,
	buildInverseJoinColumnsEditor()
	);
	}

	private class InverseJoinColumnsProvider implements IJoinColumnsEditor<IJoinTable> {

	public void addJoinColumn(IJoinTable subject) {
	JoinTableComposite.this.addInverseJoinColumn(subject);
	}

	public void editJoinColumn(IJoinTable subject, IJoinColumn joinColumn) {
	JoinTableComposite.this.editInverseJoinColumn(joinColumn);
	}

	public boolean hasSpecifiedJoinColumns(IJoinTable subject) {
	return subject.containsSpecifiedInverseJoinColumns();
	}

	public ListIterator<IJoinColumn> joinColumns(IJoinTable subject) {
	return subject.inverseJoinColumns();
	}

	public String[] propertyNames() {
	return new String[] {
	IJoinTable.DEFAULT_INVERSE_JOIN_COLUMNS_LIST,
	IJoinTable.SPECIFIED_INVERSE_JOIN_COLUMNS_LIST
	};
	}

	public void removeJoinColumns(IJoinTable subject, int[] selectedIndices) {
	for (int index = selectedIndices.length; --index >= 0; ) {
	subject.removeSpecifiedInverseJoinColumn(selectedIndices[index]);
	}
	}
	}

	private class JoinColumnsProvider implements IJoinColumnsEditor<IJoinTable> {

	public void addJoinColumn(IJoinTable subject) {
	JoinTableComposite.this.addJoinColumn(subject);
	}

	public void editJoinColumn(IJoinTable subject, IJoinColumn joinColumn) {
	JoinTableComposite.this.editJoinColumn(joinColumn);
	}

	public boolean hasSpecifiedJoinColumns(IJoinTable subject) {
	return subject.containsSpecifiedJoinColumns();
	}

	public ListIterator<IJoinColumn> joinColumns(IJoinTable subject) {
	return subject.joinColumns();
	}

	public String[] propertyNames() {
	return new String[] {
	IJoinTable.DEFAULT_JOIN_COLUMNS_LIST,
	IJoinTable.SPECIFIED_JOIN_COLUMNS_LIST
	};
	}

	public void removeJoinColumns(IJoinTable subject, int[] selectedIndices) {
	for (int index = selectedIndices.length; --index >= 0; ) {
	subject.removeSpecifiedJoinColumn(selectedIndices[index]);
	}
	}
	}
	}