jpa/plugins/org.eclipse.jpt.jpa.ui/src/org/eclipse/jpt/jpa/ui/internal/wizards/gen/TablesAndColumnsCustomizationWizardPage.java - dali/webtools.dali - Git at Google

 /*******************************************************************************
  * 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.jpa.ui.internal.wizards.gen;

 import java.util.ArrayList;
 import java.util.List;

 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.jdt.core.IJavaElement;
 import org.eclipse.jdt.internal.ui.wizards.dialogfields.LayoutUtil;
 import org.eclipse.jdt.ui.wizards.NewTypeWizardPage;
 import org.eclipse.jface.dialogs.IMessageProvider;
 import org.eclipse.jface.resource.ResourceManager;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.ITreeContentProvider;
 import org.eclipse.jface.viewers.LabelProvider;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.viewers.TreeSelection;
 import org.eclipse.jface.viewers.TreeViewer;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.jpt.common.utility.internal.StringTools;
 import org.eclipse.jpt.jpa.core.JpaProject;
 import org.eclipse.jpt.jpa.gen.internal.ORMGenColumn;
 import org.eclipse.jpt.jpa.gen.internal.ORMGenCustomizer;
 import org.eclipse.jpt.jpa.gen.internal.ORMGenTable;
 import org.eclipse.jpt.jpa.ui.internal.ImageRepository;
 import org.eclipse.jpt.jpa.ui.internal.JpaHelpContextIds;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.StackLayout;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Group;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.help.IWorkbenchHelpSystem;

 public class TablesAndColumnsCustomizationWizardPage extends NewTypeWizardPage {

 	private JpaProject jpaProject;

 	private TreeViewer tableColumnTreeViewer;

 	private Composite detailPanel ;
 	private StackLayout detailPanelStatckLayout;
 	private Composite tableGenDetatilGroup;
 	private ColumnGenPanel columnGenPanel;
 	private Composite columnGenDetatilGroup;
 	private TableGenPanel tableGenPanel;
 	private ORMGenTable selectedTable;

 	private ORMGenCustomizer customizer;

 	protected final ResourceManager resourceManager;

 	protected TablesAndColumnsCustomizationWizardPage(JpaProject jpaProject, ResourceManager resourceManager) {
 		super(true, "TablesAndColumnsCustomizationWizardPage"); //$NON-NLS-1$
 		this.jpaProject = jpaProject;
 		this.resourceManager = resourceManager;
 		setTitle( JptUiEntityGenMessages.GenerateEntitiesWizard_tablesAndColumnsPage_title );
 		setMessage( JptUiEntityGenMessages.GenerateEntitiesWizard_tablesAndColumnsPage_desc);
 	}

 	// -------- Initialization ---------
 	/**
 	 * The wizard owning this page is responsible for calling this method with the
 	 * current selection. The selection is used to initialize the fields of the wizard
 	 * page.
 	 *
 	 * @param selection used to initialize the fields
 	 */
 	void init(IStructuredSelection selection) {
 		if ( jpaProject != null ) {
 			IJavaElement jelem = this.jpaProject.getJavaProject();
 			initContainerPage(jelem);
 			initTypePage(jelem);
 		}
 	}

 	public void createControl(Composite parent) {
 		initializeDialogUnits(parent);
 		Composite composite = new Composite(parent, SWT.NULL);
 		int nColumns= 1	;
 		GridLayout layout = new GridLayout();
 		layout.numColumns = nColumns;
 		composite.setLayout(layout);
 		this.getHelpSystem().setHelp(composite, JpaHelpContextIds.GENERATE_ENTITIES_WIZARD_CUSTOMIZE_INDIVIDUAL_ENTITIES);

 		createTableAndColumnsListPanel(composite, 1);

 		SWTUtil.createLabel( composite, 1, ""); //$NON-NLS-1$

 		SWTUtil.createSeparator(composite, 1);

 		createGenerateDetailGroup(composite, 1);

 		setControl(composite);
 		this.setPageComplete( true );
 	}

 	/**
 	 * A panel with JFace TreeViewer showing tables and columns to be generated into JPA entities
 	 *
 	 * @param parent
 	 * @param columns
 	 */
 	private void createTableAndColumnsListPanel(Composite parent, int columns) {
 		Label label = new Label(parent, columns );
 		label.setText( JptUiEntityGenMessages.GenerateEntitiesWizard_tablesAndColumnsPage_labelTableAndColumns );
 		SWTUtil.fillColumns( label , columns);

 		GridData data = new GridData();
 		data.horizontalSpan = columns;
 		data.verticalAlignment = SWT.FILL;
 		data.horizontalAlignment = SWT.FILL;
 		data.grabExcessHorizontalSpace = true;
 		data.heightHint = 200;
 		data.grabExcessVerticalSpace = true;

 		tableColumnTreeViewer = new TreeViewer(parent);
 		tableColumnTreeViewer.getTree().setLayoutData( data);
 		tableColumnTreeViewer.setContentProvider(new TableColumnTreeContentProvider());
 		tableColumnTreeViewer.setLabelProvider(new TableColumnTreeLabelProvider());

 		tableColumnTreeViewer.addSelectionChangedListener( new ISelectionChangedListener(){
 			public void selectionChanged(SelectionChangedEvent event) {
 				updateDetailPanel(event.getSelection());
 			}

 		});
 	}

 	@Override
 	public void setVisible(boolean visible) {
 		super.setVisible(visible);
 		if(visible){
 			ORMGenCustomizer customizer = getCustomizer();
 			//If user changed the connection or schema
 			if( this.customizer != customizer ){
 				this.customizer = customizer;
 				tableColumnTreeViewer.setInput( customizer );
 			}else{
 				tableColumnTreeViewer.refresh();
 			}
 			List<String> tableNames = this.customizer.getTableNames();

 			//Select the first table
 			ORMGenTable ormGenTable = this.customizer.getTable(tableNames.get(0));
 			updateTabelGenDetail( ormGenTable );
 		}
 	}


 	private void updateDetailPanel(ISelection selection) {
 		TreeSelection ts = (TreeSelection)selection;
 		Object selectedObject = ts.getFirstElement();
 		if( selectedObject instanceof ORMGenTable ){
 			updateTabelGenDetail( (ORMGenTable)selectedObject );
 		}else if( selectedObject instanceof ORMGenColumn ){
 			updateColumnGenDetail( (ORMGenColumn)selectedObject );
 		}
 	}

 	private void updateColumnGenDetail(ORMGenColumn column) {
 		if(columnGenDetatilGroup==null){
 			columnGenDetatilGroup = new Composite(detailPanel, SWT.NONE);
 			GridLayout gridLayout = new GridLayout();
 			gridLayout.numColumns = 4;
 			columnGenDetatilGroup.setLayout(gridLayout);
 			this.columnGenPanel = new ColumnGenPanel(columnGenDetatilGroup, 4, getCustomizer() , this );
 		}
 		columnGenPanel.setColumn(column);
 		this.detailPanelStatckLayout.topControl = columnGenDetatilGroup;
 		this.detailPanel.layout();
 		detailPanel.getParent().layout();
 	}

 	private void updateTabelGenDetail(ORMGenTable table) {
 		this.selectedTable = table;
 		if(tableGenDetatilGroup==null){
 			tableGenDetatilGroup = new Composite(detailPanel, SWT.NONE);
 			GridLayout gridLayout = new GridLayout();
 			gridLayout.numColumns = 4;
 			tableGenDetatilGroup.setLayout(gridLayout);

 			this.tableGenPanel = new TableGenPanel(tableGenDetatilGroup, 4 , false, this );
 			createDomainJavaClassesPropertiesGroup(tableGenDetatilGroup, 4 );
 		}
 		tableGenPanel.setORMGenTable(table);

 		this.detailPanelStatckLayout.topControl = tableGenDetatilGroup;
 		this.detailPanel.layout();

 		String baseClass = StringTools.stringIsEmpty(table.getExtends()) ? "" : table.getExtends();
 		setSuperClass(baseClass, true);


 		setSuperInterfaces(table.getImplements(), true);

 		detailPanel.getParent().layout();
 	}

 	protected void createDomainJavaClassesPropertiesGroup(Composite composite, int columns) {
 		Group parent = new Group( composite, SWT.NONE);
 		parent.setText( JptUiEntityGenMessages.GenerateEntitiesWizard_defaultTablePage_domainJavaClass );
 		parent.setLayout(new GridLayout(columns, false));
 		SWTUtil.fillColumns( parent, columns);

 		createSuperClassControls(parent, columns);
 		createSuperInterfacesControls(parent, columns);

 		//Resize supper class text width to fill the parent group.
 		//Have to do it indirectly since fSuperClassDialogField is private in super class.
 		Control[] controls = parent.getChildren();
 		if( controls.length>1 && controls[1] instanceof Text ){
 			Text text = (Text)(parent.getChildren()[1]);
 			LayoutUtil.setWidthHint(text, getMaxFieldWidth());
 			LayoutUtil.setHorizontalGrabbing(text);
 		}
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.jdt.ui.wizards.NewTypeWizardPage#superClassChanged()
 	 */
 	@Override
 	protected IStatus superClassChanged() {
 		IStatus status = super.superClassChanged();
 		String baseClass = getSuperClass();
 		if(baseClass!=null && this.selectedTable!=null ){
 			String oldBaseClass = this.selectedTable.getExtends();
 			if( !baseClass.equals(oldBaseClass))
 				this.selectedTable.setExtends(baseClass);
 		}
 		return status;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.jdt.ui.wizards.NewTypeWizardPage#superInterfacesChanged()
 	 */
 	@Override
 	protected IStatus superInterfacesChanged() {
 		IStatus status = super.superInterfacesChanged();
 		List<String> superInterfaces = getSuperInterfaces();
 		if (this.selectedTable != null) {
 			this.selectedTable.setImplements(superInterfaces);
 		}
 		return status;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.jdt.ui.wizards.NewTypeWizardPage#addSuperInterface(java.lang.String)
 	 */
 	@Override
 	@SuppressWarnings("unchecked")
 	public boolean addSuperInterface(String superInterface) {
 		super.addSuperInterface(superInterface);
 		List interfaces = getSuperInterfaces();
 		if(this.selectedTable!=null)
 			this.selectedTable.setImplements(interfaces);
 		return true;
 	}

 	@Override
 	protected void handleFieldChanged(String fieldName) {
 		super.handleFieldChanged(fieldName);
 		if( this.fSuperClassStatus.matches(IStatus.ERROR)){
 			updateStatus(fSuperClassStatus);
 		}else{
 			setMessage("", IMessageProvider.NONE);
 			setErrorMessage(null);
 		}

 	}

 	private ORMGenCustomizer getCustomizer(){
 		GenerateEntitiesFromSchemaWizard wizard = (GenerateEntitiesFromSchemaWizard) this.getWizard();
 		return wizard.getCustomizer();
 	}
 	/**
 	 * Content provider, and label provider for the DB Table/Column TreeViewer
 	 *
 	 */
 	class TableColumnTreeContentProvider implements ITreeContentProvider {
 		public Object[] getElements(Object inputElement) {
 			if( inputElement instanceof ORMGenCustomizer ){
 				ORMGenCustomizer input = (ORMGenCustomizer )inputElement;
 				List<String> tableNameList = input.getGenTableNames();
 				List<ORMGenTable> ret = new ArrayList<ORMGenTable>();
 				for(String t : tableNameList){
 					ORMGenTable ormGenTable = getCustomizer().getTable( t );
 					ret.add( ormGenTable );
 				}
 				return ret.toArray();
 			}
 			return new Object[]{};
 		}
 		public Object[] getChildren(Object parentElement) {
 			if( parentElement instanceof ORMGenTable ){
 				ORMGenTable table = (ORMGenTable) parentElement;
 				List<ORMGenColumn> columns = table.getColumns();
 				List<ORMGenColumn> ret = new ArrayList<ORMGenColumn>();
 				for( ORMGenColumn col : columns){
 					if( col.isForeignKey() )
 						continue;
 					if( col.isPrimaryKey() ){
 						ret.add(0,col );
 					}else{
 						ret.add(col);
 					}
 				}
 				return ret.toArray();
 			}
 			return new Object[]{};
 		}
 		public Object getParent(Object element) {
 			if( element instanceof ORMGenColumn){
 				return null;
 			}
 			return null;
 		}
 		public boolean hasChildren(Object element) {
 			return( element instanceof ORMGenTable );
 		}
 		public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {}
 		public void dispose() {}
 	}

 	class TableColumnTreeLabelProvider extends LabelProvider{

 		@Override
 		public Image getImage(Object element) {
 			if( element instanceof ORMGenTable ){
 				return ImageRepository.getTableImage(resourceManager);
 			}else 	if( element instanceof ORMGenColumn ){
 				ORMGenColumn col = ( ORMGenColumn)element;
 				return col.isPrimaryKey() ?
 						ImageRepository.getKeyColumnImage(resourceManager) :
 						ImageRepository.getColumnImage(resourceManager);
 			}
 			return null;
 		}


 		@Override
 		public String getText(Object element) {
 			if( element instanceof ORMGenTable ){
 				return ((ORMGenTable)element).getName();
 			}else 			if( element instanceof ORMGenColumn ){
 				return ((ORMGenColumn)element).getName();
 			}
 			return super.getText(element);
 		}
 	}

 	private void createGenerateDetailGroup(Composite parent, int columns) {
 		detailPanel = new Composite(parent, SWT.NONE);
 		SWTUtil.fillColumns( detailPanel, columns);

 		detailPanelStatckLayout = new StackLayout();
 		detailPanel.setLayout(detailPanelStatckLayout);

 		Composite emptyPanel = new Composite(detailPanel, SWT.NONE);
 		emptyPanel.setLayoutData(new GridData());

 		detailPanelStatckLayout.topControl = emptyPanel;
 		detailPanel.layout();
 	}

     @Override
     public final void performHelp()
     {
         this.getHelpSystem().displayHelp( GenerateEntitiesFromSchemaWizard.HELP_CONTEXT_ID );
     }

 	protected final IWorkbenchHelpSystem getHelpSystem() {
 		return PlatformUI.getWorkbench().getHelpSystem();
 	}
 }
	/*******************************************************************************
	* 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.jpa.ui.internal.wizards.gen;

	import java.util.ArrayList;
	import java.util.List;

	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.jdt.core.IJavaElement;
	import org.eclipse.jdt.internal.ui.wizards.dialogfields.LayoutUtil;
	import org.eclipse.jdt.ui.wizards.NewTypeWizardPage;
	import org.eclipse.jface.dialogs.IMessageProvider;
	import org.eclipse.jface.resource.ResourceManager;
	import org.eclipse.jface.viewers.ISelection;
	import org.eclipse.jface.viewers.ISelectionChangedListener;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.viewers.ITreeContentProvider;
	import org.eclipse.jface.viewers.LabelProvider;
	import org.eclipse.jface.viewers.SelectionChangedEvent;
	import org.eclipse.jface.viewers.TreeSelection;
	import org.eclipse.jface.viewers.TreeViewer;
	import org.eclipse.jface.viewers.Viewer;
	import org.eclipse.jpt.common.utility.internal.StringTools;
	import org.eclipse.jpt.jpa.core.JpaProject;
	import org.eclipse.jpt.jpa.gen.internal.ORMGenColumn;
	import org.eclipse.jpt.jpa.gen.internal.ORMGenCustomizer;
	import org.eclipse.jpt.jpa.gen.internal.ORMGenTable;
	import org.eclipse.jpt.jpa.ui.internal.ImageRepository;
	import org.eclipse.jpt.jpa.ui.internal.JpaHelpContextIds;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.custom.StackLayout;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Group;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.help.IWorkbenchHelpSystem;

	public class TablesAndColumnsCustomizationWizardPage extends NewTypeWizardPage {

	private JpaProject jpaProject;

	private TreeViewer tableColumnTreeViewer;

	private Composite detailPanel ;
	private StackLayout detailPanelStatckLayout;
	private Composite tableGenDetatilGroup;
	private ColumnGenPanel columnGenPanel;
	private Composite columnGenDetatilGroup;
	private TableGenPanel tableGenPanel;
	private ORMGenTable selectedTable;

	private ORMGenCustomizer customizer;

	protected final ResourceManager resourceManager;

	protected TablesAndColumnsCustomizationWizardPage(JpaProject jpaProject, ResourceManager resourceManager) {
	super(true, "TablesAndColumnsCustomizationWizardPage"); //$NON-NLS-1$
	this.jpaProject = jpaProject;
	this.resourceManager = resourceManager;
	setTitle( JptUiEntityGenMessages.GenerateEntitiesWizard_tablesAndColumnsPage_title );
	setMessage( JptUiEntityGenMessages.GenerateEntitiesWizard_tablesAndColumnsPage_desc);
	}

	// -------- Initialization ---------
	/**
	* The wizard owning this page is responsible for calling this method with the
	* current selection. The selection is used to initialize the fields of the wizard
	* page.
	*
	* @param selection used to initialize the fields
	*/
	void init(IStructuredSelection selection) {
	if ( jpaProject != null ) {
	IJavaElement jelem = this.jpaProject.getJavaProject();
	initContainerPage(jelem);
	initTypePage(jelem);
	}
	}

	public void createControl(Composite parent) {
	initializeDialogUnits(parent);
	Composite composite = new Composite(parent, SWT.NULL);
	int nColumns= 1 ;
	GridLayout layout = new GridLayout();
	layout.numColumns = nColumns;
	composite.setLayout(layout);
	this.getHelpSystem().setHelp(composite, JpaHelpContextIds.GENERATE_ENTITIES_WIZARD_CUSTOMIZE_INDIVIDUAL_ENTITIES);

	createTableAndColumnsListPanel(composite, 1);

	SWTUtil.createLabel( composite, 1, ""); //$NON-NLS-1$

	SWTUtil.createSeparator(composite, 1);

	createGenerateDetailGroup(composite, 1);

	setControl(composite);
	this.setPageComplete( true );
	}

	/**
	* A panel with JFace TreeViewer showing tables and columns to be generated into JPA entities
	*
	* @param parent
	* @param columns
	*/
	private void createTableAndColumnsListPanel(Composite parent, int columns) {
	Label label = new Label(parent, columns );
	label.setText( JptUiEntityGenMessages.GenerateEntitiesWizard_tablesAndColumnsPage_labelTableAndColumns );
	SWTUtil.fillColumns( label , columns);

	GridData data = new GridData();
	data.horizontalSpan = columns;
	data.verticalAlignment = SWT.FILL;
	data.horizontalAlignment = SWT.FILL;
	data.grabExcessHorizontalSpace = true;
	data.heightHint = 200;
	data.grabExcessVerticalSpace = true;

	tableColumnTreeViewer = new TreeViewer(parent);
	tableColumnTreeViewer.getTree().setLayoutData( data);
	tableColumnTreeViewer.setContentProvider(new TableColumnTreeContentProvider());
	tableColumnTreeViewer.setLabelProvider(new TableColumnTreeLabelProvider());

	tableColumnTreeViewer.addSelectionChangedListener( new ISelectionChangedListener(){
	public void selectionChanged(SelectionChangedEvent event) {
	updateDetailPanel(event.getSelection());
	}

	});
	}

	@Override
	public void setVisible(boolean visible) {
	super.setVisible(visible);
	if(visible){
	ORMGenCustomizer customizer = getCustomizer();
	//If user changed the connection or schema
	if( this.customizer != customizer ){
	this.customizer = customizer;
	tableColumnTreeViewer.setInput( customizer );
	}else{
	tableColumnTreeViewer.refresh();
	}
	List<String> tableNames = this.customizer.getTableNames();

	//Select the first table
	ORMGenTable ormGenTable = this.customizer.getTable(tableNames.get(0));
	updateTabelGenDetail( ormGenTable );
	}
	}


	private void updateDetailPanel(ISelection selection) {
	TreeSelection ts = (TreeSelection)selection;
	Object selectedObject = ts.getFirstElement();
	if( selectedObject instanceof ORMGenTable ){
	updateTabelGenDetail( (ORMGenTable)selectedObject );
	}else if( selectedObject instanceof ORMGenColumn ){
	updateColumnGenDetail( (ORMGenColumn)selectedObject );
	}
	}

	private void updateColumnGenDetail(ORMGenColumn column) {
	if(columnGenDetatilGroup==null){
	columnGenDetatilGroup = new Composite(detailPanel, SWT.NONE);
	GridLayout gridLayout = new GridLayout();
	gridLayout.numColumns = 4;
	columnGenDetatilGroup.setLayout(gridLayout);
	this.columnGenPanel = new ColumnGenPanel(columnGenDetatilGroup, 4, getCustomizer() , this );
	}
	columnGenPanel.setColumn(column);
	this.detailPanelStatckLayout.topControl = columnGenDetatilGroup;
	this.detailPanel.layout();
	detailPanel.getParent().layout();
	}

	private void updateTabelGenDetail(ORMGenTable table) {
	this.selectedTable = table;
	if(tableGenDetatilGroup==null){
	tableGenDetatilGroup = new Composite(detailPanel, SWT.NONE);
	GridLayout gridLayout = new GridLayout();
	gridLayout.numColumns = 4;
	tableGenDetatilGroup.setLayout(gridLayout);

	this.tableGenPanel = new TableGenPanel(tableGenDetatilGroup, 4 , false, this );
	createDomainJavaClassesPropertiesGroup(tableGenDetatilGroup, 4 );
	}
	tableGenPanel.setORMGenTable(table);

	this.detailPanelStatckLayout.topControl = tableGenDetatilGroup;
	this.detailPanel.layout();

	String baseClass = StringTools.stringIsEmpty(table.getExtends()) ? "" : table.getExtends();
	setSuperClass(baseClass, true);


	setSuperInterfaces(table.getImplements(), true);

	detailPanel.getParent().layout();
	}

	protected void createDomainJavaClassesPropertiesGroup(Composite composite, int columns) {
	Group parent = new Group( composite, SWT.NONE);
	parent.setText( JptUiEntityGenMessages.GenerateEntitiesWizard_defaultTablePage_domainJavaClass );
	parent.setLayout(new GridLayout(columns, false));
	SWTUtil.fillColumns( parent, columns);

	createSuperClassControls(parent, columns);
	createSuperInterfacesControls(parent, columns);

	//Resize supper class text width to fill the parent group.
	//Have to do it indirectly since fSuperClassDialogField is private in super class.
	Control[] controls = parent.getChildren();
	if( controls.length>1 && controls[1] instanceof Text ){
	Text text = (Text)(parent.getChildren()[1]);
	LayoutUtil.setWidthHint(text, getMaxFieldWidth());
	LayoutUtil.setHorizontalGrabbing(text);
	}
	}

	/* (non-Javadoc)
	* @see org.eclipse.jdt.ui.wizards.NewTypeWizardPage#superClassChanged()
	*/
	@Override
	protected IStatus superClassChanged() {
	IStatus status = super.superClassChanged();
	String baseClass = getSuperClass();
	if(baseClass!=null && this.selectedTable!=null ){
	String oldBaseClass = this.selectedTable.getExtends();
	if( !baseClass.equals(oldBaseClass))
	this.selectedTable.setExtends(baseClass);
	}
	return status;
	}

	/* (non-Javadoc)
	* @see org.eclipse.jdt.ui.wizards.NewTypeWizardPage#superInterfacesChanged()
	*/
	@Override
	protected IStatus superInterfacesChanged() {
	IStatus status = super.superInterfacesChanged();
	List<String> superInterfaces = getSuperInterfaces();
	if (this.selectedTable != null) {
	this.selectedTable.setImplements(superInterfaces);
	}
	return status;
	}

	/* (non-Javadoc)
	* @see org.eclipse.jdt.ui.wizards.NewTypeWizardPage#addSuperInterface(java.lang.String)
	*/
	@Override
	@SuppressWarnings("unchecked")
	public boolean addSuperInterface(String superInterface) {
	super.addSuperInterface(superInterface);
	List interfaces = getSuperInterfaces();
	if(this.selectedTable!=null)
	this.selectedTable.setImplements(interfaces);
	return true;
	}

	@Override
	protected void handleFieldChanged(String fieldName) {
	super.handleFieldChanged(fieldName);
	if( this.fSuperClassStatus.matches(IStatus.ERROR)){
	updateStatus(fSuperClassStatus);
	}else{
	setMessage("", IMessageProvider.NONE);
	setErrorMessage(null);
	}

	}

	private ORMGenCustomizer getCustomizer(){
	GenerateEntitiesFromSchemaWizard wizard = (GenerateEntitiesFromSchemaWizard) this.getWizard();
	return wizard.getCustomizer();
	}
	/**
	* Content provider, and label provider for the DB Table/Column TreeViewer
	*
	*/
	class TableColumnTreeContentProvider implements ITreeContentProvider {
	public Object[] getElements(Object inputElement) {
	if( inputElement instanceof ORMGenCustomizer ){
	ORMGenCustomizer input = (ORMGenCustomizer )inputElement;
	List<String> tableNameList = input.getGenTableNames();
	List<ORMGenTable> ret = new ArrayList<ORMGenTable>();
	for(String t : tableNameList){
	ORMGenTable ormGenTable = getCustomizer().getTable( t );
	ret.add( ormGenTable );
	}
	return ret.toArray();
	}
	return new Object[]{};
	}
	public Object[] getChildren(Object parentElement) {
	if( parentElement instanceof ORMGenTable ){
	ORMGenTable table = (ORMGenTable) parentElement;
	List<ORMGenColumn> columns = table.getColumns();
	List<ORMGenColumn> ret = new ArrayList<ORMGenColumn>();
	for( ORMGenColumn col : columns){
	if( col.isForeignKey() )
	continue;
	if( col.isPrimaryKey() ){
	ret.add(0,col );
	}else{
	ret.add(col);
	}
	}
	return ret.toArray();
	}
	return new Object[]{};
	}
	public Object getParent(Object element) {
	if( element instanceof ORMGenColumn){
	return null;
	}
	return null;
	}
	public boolean hasChildren(Object element) {
	return( element instanceof ORMGenTable );
	}
	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {}
	public void dispose() {}
	}

	class TableColumnTreeLabelProvider extends LabelProvider{

	@Override
	public Image getImage(Object element) {
	if( element instanceof ORMGenTable ){
	return ImageRepository.getTableImage(resourceManager);
	}else if( element instanceof ORMGenColumn ){
	ORMGenColumn col = ( ORMGenColumn)element;
	return col.isPrimaryKey() ?
	ImageRepository.getKeyColumnImage(resourceManager) :
	ImageRepository.getColumnImage(resourceManager);
	}
	return null;
	}


	@Override
	public String getText(Object element) {
	if( element instanceof ORMGenTable ){
	return ((ORMGenTable)element).getName();
	}else if( element instanceof ORMGenColumn ){
	return ((ORMGenColumn)element).getName();
	}
	return super.getText(element);
	}
	}

	private void createGenerateDetailGroup(Composite parent, int columns) {
	detailPanel = new Composite(parent, SWT.NONE);
	SWTUtil.fillColumns( detailPanel, columns);

	detailPanelStatckLayout = new StackLayout();
	detailPanel.setLayout(detailPanelStatckLayout);

	Composite emptyPanel = new Composite(detailPanel, SWT.NONE);
	emptyPanel.setLayoutData(new GridData());

	detailPanelStatckLayout.topControl = emptyPanel;
	detailPanel.layout();
	}

	@Override
	public final void performHelp()
	{
	this.getHelpSystem().displayHelp( GenerateEntitiesFromSchemaWizard.HELP_CONTEXT_ID );
	}

	protected final IWorkbenchHelpSystem getHelpSystem() {
	return PlatformUI.getWorkbench().getHelpSystem();
	}
	}