plugins/org.eclipse.bpel.ui.noEmbeddedEditors/src/org/eclipse/bpel/ui/wizards/NewBpelFileFirstPage.java - bpel/org.eclipse.bpel - Git at Google

 /*******************************************************************************
  * Copyright (c) 2006, 2012 Oracle Corporation and others.
  *
  * 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 Corporation
  *******************************************************************************/

 package org.eclipse.bpel.ui.wizards;

 import java.util.Date;
 import java.util.HashMap;
 import java.util.Map;

 import org.eclipse.bpel.common.ui.details.viewers.ComboViewer;
 import org.eclipse.bpel.model.util.BPELConstants;
 import org.eclipse.bpel.ui.BPELUIPlugin;
 import org.eclipse.bpel.ui.IBPELUIConstants;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.jface.dialogs.IDialogSettings;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.jface.viewers.ArrayContentProvider;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.LabelProvider;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.jface.wizard.IWizardPage;
 import org.eclipse.jface.wizard.WizardPage;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.ModifyEvent;
 import org.eclipse.swt.events.ModifyListener;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Combo;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Event;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.plugin.AbstractUIPlugin;

 /**
  * The first page of the wizard to create a new BPEL process.
  * <p>
  * This page deals with the creation mode and the general properties of the BPEL to create.
  * </p>
  *
  * @author Michal Chmielewski - Oracle
  * @author Vincent Zurczak - EBM WebSourcing
  */
 public class NewBpelFileFirstPage extends WizardPage {

 	/**
 	 * The page's name, so that it can be referenced from other pages.
 	 */
 	public static final String PAGE_NAME = "bpel-first-page";

 	/**
 	 * The creation mode.
 	 */
 	private BpelCreationMode creationMode;

 	/**
 	 * The process name and name space.
 	 */
 	private String processName, processNamespace;

 	/**
 	 * True to create an abstract process, false otherwise.
 	 */
 	private boolean abstractProcess;

 	/**
 	 * The properties to pass to the template.
 	 */
 	private final Map<String,Object> processTemplateProperties;

 	/**
 	 * Images used in the wizard.
 	 */
 	private Image wsdlImg, arrowImg, bpelImg, tplImg;


 	/**
 	 * Constructor.
 	 */
 	public NewBpelFileFirstPage() {
 		super( PAGE_NAME );

 		setTitle( Messages.NewFileWizardPage1_2 );
 		setDescription( Messages.NewFileWizardPage1_3 );
 		setImageDescriptor( BPELUIPlugin.INSTANCE.getImageDescriptor( IBPELUIConstants.ICON_WIZARD_BANNER ));

 		this.processTemplateProperties = new HashMap<String,Object> ();
 		try {
 			ImageDescriptor desc = AbstractUIPlugin.imageDescriptorFromPlugin( BPELUIPlugin.PLUGIN_ID, "icons/misc/wsdl.png" );
 			this.wsdlImg = desc.createImage();

 		} catch( Exception e ) {
 			BPELUIPlugin.log( e, IStatus.WARNING );
 		}

 		try {
 			ImageDescriptor desc = AbstractUIPlugin.imageDescriptorFromPlugin( BPELUIPlugin.PLUGIN_ID, "icons/misc/bpel-skeleton-2.png" );
 			this.bpelImg = desc.createImage();

 		} catch( Exception e ) {
 			BPELUIPlugin.log( e, IStatus.WARNING );
 		}

 		try {
 			ImageDescriptor desc = AbstractUIPlugin.imageDescriptorFromPlugin( BPELUIPlugin.PLUGIN_ID, "icons/misc/arrow.png" );
 			this.arrowImg = desc.createImage();

 		} catch( Exception e ) {
 			BPELUIPlugin.log( e, IStatus.WARNING );
 		}

 		try {
 			ImageDescriptor desc = AbstractUIPlugin.imageDescriptorFromPlugin( BPELUIPlugin.PLUGIN_ID, "icons/misc/templates.png" );
 			this.tplImg = desc.createImage();

 		} catch( Exception e ) {
 			BPELUIPlugin.log( e, IStatus.WARNING );
 		}
 	}


 	/*
 	 * (non-Javadoc)
 	 * @see org.eclipse.jface.dialogs.DialogPage
 	 * #dispose()
 	 */
 	@Override
 	public void dispose() {

 		if( this.wsdlImg != null && ! this.wsdlImg.isDisposed())
 			this.wsdlImg.dispose();

 		if( this.arrowImg != null && ! this.arrowImg.isDisposed())
 			this.arrowImg.dispose();

 		if( this.bpelImg != null && ! this.bpelImg.isDisposed())
 			this.bpelImg.dispose();

 		if( this.tplImg != null && ! this.tplImg.isDisposed())
 			this.tplImg.dispose();

 		super.dispose();
 	}


 	/*
 	 * (non-Javadoc)
 	 * @see org.eclipse.jface.wizard.WizardPage
 	 * #getNextPage()
 	 */
 	@Override
 	public IWizardPage getNextPage() {

 		IWizardPage nextPage;
 		if( this.creationMode == BpelCreationMode.CREATE_NEW_BPEL )
 			nextPage = getWizard().getPage( NewBpelFileTemplatePage.PAGE_NAME );
 		else
 			nextPage = getWizard().getPage( NewBpelFilePortTypePage.PAGE_NAME );

 		nextPage.setPreviousPage( this );
 		return nextPage;
 	}


 	/**
 	 * @return the abstractProcess
 	 */
 	public boolean isAbstractProcess() {
 		return this.abstractProcess;
 	}


 	/**
 	 * @return the properties for the templates
 	 */
 	public Map<String,Object> getProcessTemplateProperties() {
 		return this.processTemplateProperties;
 	}


 	/**
 	 * @return the creationMode
 	 */
 	public BpelCreationMode getCreationMode() {
 		return this.creationMode;
 	}


 	/*
 	 * (non-Javadoc)
 	 * @see org.eclipse.jface.dialogs.IDialogPage
 	 * #createControl(org.eclipse.swt.widgets.Composite)
 	 */
 	@Override
 	public void createControl( Composite parent ) {

 		// Create the container
 		final Composite container = new Composite( parent, SWT.NONE );
 		container.setFont( parent.getFont());
 		initializeDialogUnits( parent );
 		container.setLayout( new GridLayout( 2, false ));
 		container.setLayoutData( new GridData( GridData.FILL_BOTH ));
 		setControl( container );


 		// Add a combo to select the creation mode
 		Label label = new Label( container, SWT.NONE );
 		label.setText( "Creation Mode:" );
 		label.setToolTipText( "Select the way to create a new BPEL process" );

 		final ComboViewer creationViewer = new ComboViewer( container, SWT.BORDER | SWT.DROP_DOWN | SWT.READ_ONLY );
 		creationViewer.setContentProvider( new ArrayContentProvider());
 		creationViewer.setLabelProvider( new LabelProvider());
 		creationViewer.setInput( BpelCreationMode.values());


 		// Add the other common widgets
 		Label l = new Label( container, SWT.NONE );
 		l.setText( Messages.NewFileWizardPage1_5 );
 		l.setToolTipText( "The name of the BPEL process" );

 		Text processNameText = new Text( container, SWT.BORDER | SWT.SINGLE );
 		processNameText.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ));
 		if( this.processName != null )
 			processNameText.setText( this.processName );

 		processNameText.addModifyListener( new ModifyListener() {
 			@Override
 			public void modifyText( ModifyEvent e ) {
 				NewBpelFileFirstPage.this.processName = ((Text) e.widget).getText();
 				updateStatus();
 			}
 		});


 		l = new Label( container, SWT.NONE );
 		l.setText( Messages.NewFileWizardPage1_6 );
 		l.setToolTipText( "The target namespace of the BPEL process" );

 		Combo processNamespaceCombo = new Combo( container, SWT.DROP_DOWN | SWT.SIMPLE );
 		processNamespaceCombo.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ));
 		processNamespaceCombo.setItems( BPELUIPlugin.INSTANCE.getTemplates().getNamespaceNames());
 		if( this.processNamespace != null )
 			processNamespaceCombo.setText( this.processNamespace );

 		processNamespaceCombo.addModifyListener( new ModifyListener() {
 			@Override
 			public void modifyText( ModifyEvent e ) {
 				NewBpelFileFirstPage.this.processNamespace = ((Combo) e.widget).getText();
 				updateStatus();
 			}
 		});


 		new Label( container, SWT.NONE );
 		final Button abstractProcessButton = new Button( container, SWT.CHECK );
 		abstractProcessButton.setText( "Abstract Process" );
 		abstractProcessButton.setToolTipText( "Make the created process abstract" );
 		abstractProcessButton.addSelectionListener( new SelectionListener() {
 			@Override
 			public void widgetSelected( SelectionEvent e ) {
 				widgetDefaultSelected( e );
 			}

 			@Override
 			public void widgetDefaultSelected( SelectionEvent e ) {
 				NewBpelFileFirstPage.this.abstractProcess = ((Button) e.widget).getSelection();
 				updateStatus();
 			}
 		});


 		// Add an image to illustrate the creation mode
 		Composite imageContainer = new Composite( container, SWT.BORDER );
 		imageContainer.setBackground( getShell().getDisplay().getSystemColor( SWT.COLOR_WHITE ));
 		GridLayout layout = new GridLayout( 3, false );
 		layout.horizontalSpacing = 0;
 		layout.marginTop = 12;
 		imageContainer.setLayout( layout );

 		GridData layoutData = new GridData( GridData.FILL_HORIZONTAL );
 		layoutData.horizontalSpan = 2;
 		layoutData.verticalIndent = 21;
 		imageContainer.setLayoutData( layoutData );

 		final Label imgLeftLabel = new Label( imageContainer, SWT.NONE );
 		imgLeftLabel.setBackground( getShell().getDisplay().getSystemColor( SWT.COLOR_WHITE ));

 		Label imgCenterLabel = new Label( imageContainer, SWT.NONE );
 		imgCenterLabel.setBackground( getShell().getDisplay().getSystemColor( SWT.COLOR_WHITE ));
 		imgCenterLabel.setLayoutData( new GridData( SWT.CENTER, SWT.CENTER, true, true ));
 		imgCenterLabel.setImage( this.arrowImg );

 		Label imgRightLabel = new Label( imageContainer, SWT.NONE );
 		imgRightLabel.setBackground( getShell().getDisplay().getSystemColor( SWT.COLOR_WHITE ));
 		imgRightLabel.setImage( this.bpelImg );

 		final Text explainationText = new Text( imageContainer, SWT.MULTI | SWT.READ_ONLY | SWT.WRAP );
 		explainationText.setBackground( getShell().getDisplay().getSystemColor( SWT.COLOR_WHITE ));
 		layoutData = new GridData( GridData.FILL_HORIZONTAL  );
 		layoutData.horizontalSpan = 3;
 		layoutData.verticalIndent = 21;
 		explainationText.setLayoutData( layoutData );


 		// Detect when the creation mode changes
 		creationViewer.addSelectionChangedListener( new ISelectionChangedListener() {
 			@Override
 			public void selectionChanged( SelectionChangedEvent event ) {
 				NewBpelFileFirstPage.this.creationMode = (BpelCreationMode) ((IStructuredSelection) creationViewer.getSelection()).getFirstElement();
 				explainationText.setText( NewBpelFileFirstPage.this.creationMode.getDescription());
 				if( NewBpelFileFirstPage.this.creationMode == BpelCreationMode.GENERATE_BPEL_FROM_WSDL )
 					imgLeftLabel.setImage( NewBpelFileFirstPage.this.wsdlImg );
 				else
 					imgLeftLabel.setImage( NewBpelFileFirstPage.this.tplImg );

 				imgLeftLabel.getParent().layout();
 				imgLeftLabel.getParent().getParent().layout();
 				updateStatus();
 			}
 		});


 		// Initialize all the stuff
 		creationViewer.setSelection( new StructuredSelection( BpelCreationMode.CREATE_NEW_BPEL ));
 		creationViewer.getCombo().notifyListeners( SWT.Selection, new Event());
 		if( getErrorMessage() != null ) {
 			setPageComplete( false );
 			setErrorMessage( null );
 		}
 	}


 	/**
 	 * Validates the page data and updates the page state in consequence.
 	 */
 	private void updateStatus() {
 		String errorMsg = validatePage();
 		setPageComplete( errorMsg == null );
 		setErrorMessage( errorMsg );
 	}


 	/**
 	 * Validates the page data and stores valid values for further use.
 	 * @return an error message or null if everything is right
 	 */
 	private String validatePage() {

 		String errorMsg = null;

 		// Validate the page fields
 		IStatus nameStatus;
 		if( this.processName == null || this.processName.trim().length() == 0 )
 			errorMsg = "You have to specify the process name.";

 		else if( this.processName.matches( "\\s" ))
 			errorMsg = "The process name cannot contain spaces or white characters.";

 		else if( ! ( nameStatus = ResourcesPlugin.getWorkspace().validateName( this.processName, IResource.FILE )).isOK())
 			errorMsg = nameStatus.getMessage();

 		else if( this.processNamespace == null || this.processNamespace.trim().length() == 0 )
 			errorMsg = "You have to specify the process namespace.";


 		//  No error => store properties for the templates
 		if( errorMsg == null
 				&& this.creationMode == BpelCreationMode.CREATE_NEW_BPEL ) {

 			String bpelNamespace = this.abstractProcess ? BPELConstants.NAMESPACE_ABSTRACT_2007 : BPELConstants.NAMESPACE;
 			this.processTemplateProperties.put( "processName", this.processName ); //$NON-NLS-1$
 			this.processTemplateProperties.put( "namespace", this.processNamespace ); //$NON-NLS-1$
 			this.processTemplateProperties.put( "bpelNamespace", bpelNamespace ); //$NON-NLS-1$
 			this.processTemplateProperties.put( "date", new Date()); //$NON-NLS-1$
 		}


 		// Save some fields for further use
 		IDialogSettings settings = getWizard().getDialogSettings();
 		if( settings != null )
 			settings.put( NewBpelFileWizard.DIALOG_SETTINGS_PROCESS_NAME, this.processName );

 		return errorMsg;
 	}


 	/**
 	 * The different modes to create a new BPEL to edit.
 	 */
 	public static enum BpelCreationMode {
 		CREATE_NEW_BPEL, GENERATE_BPEL_FROM_WSDL;

 		/*
 		 * (non-Javadoc)
 		 * @see java.lang.Enum#toString()
 		 */
 		@Override
 		public String toString() {

 			String result;
 			switch( this ) {
 			case CREATE_NEW_BPEL:
 				result = "Create a BPEL process from a template";
 				break;
 			case GENERATE_BPEL_FROM_WSDL:
 				result = "Create a BPEL process from a service description";
 				break;
 			default:
 				result = "";
 			}

 			return result;
 		};


 		/**
 		 * @return a more detailed description
 		 */
 		public String getDescription() {

 			String result;
 			switch( this ) {
 			case CREATE_NEW_BPEL:
 				result = "This will generate a skeleton of BPEL process.\nThis skeleton is based on pre-defined templates.";
 				break;

 			case GENERATE_BPEL_FROM_WSDL:
 				result = "This will generate a skeleton of BPEL process to implement a given WSDL contract.\n"
 				+ "\t \u2666 \tThe resulting process starts with a pick activity.\n"
 				+ "\t \u2666 \tMessage dispatching depends on the invoked operation.";
 				break;
 			default:
 				result = "";
 			}

 			return result;
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2006, 2012 Oracle Corporation and others.
	*
	* 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 Corporation
	*******************************************************************************/

	package org.eclipse.bpel.ui.wizards;

	import java.util.Date;
	import java.util.HashMap;
	import java.util.Map;

	import org.eclipse.bpel.common.ui.details.viewers.ComboViewer;
	import org.eclipse.bpel.model.util.BPELConstants;
	import org.eclipse.bpel.ui.BPELUIPlugin;
	import org.eclipse.bpel.ui.IBPELUIConstants;
	import org.eclipse.core.resources.IResource;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.jface.dialogs.IDialogSettings;
	import org.eclipse.jface.resource.ImageDescriptor;
	import org.eclipse.jface.viewers.ArrayContentProvider;
	import org.eclipse.jface.viewers.ISelectionChangedListener;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.viewers.LabelProvider;
	import org.eclipse.jface.viewers.SelectionChangedEvent;
	import org.eclipse.jface.viewers.StructuredSelection;
	import org.eclipse.jface.wizard.IWizardPage;
	import org.eclipse.jface.wizard.WizardPage;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.ModifyEvent;
	import org.eclipse.swt.events.ModifyListener;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.events.SelectionListener;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Combo;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Event;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.plugin.AbstractUIPlugin;

	/**
	* The first page of the wizard to create a new BPEL process.
	* <p>
	* This page deals with the creation mode and the general properties of the BPEL to create.
	* </p>
	*
	* @author Michal Chmielewski - Oracle
	* @author Vincent Zurczak - EBM WebSourcing
	*/
	public class NewBpelFileFirstPage extends WizardPage {

	/**
	* The page's name, so that it can be referenced from other pages.
	*/
	public static final String PAGE_NAME = "bpel-first-page";

	/**
	* The creation mode.
	*/
	private BpelCreationMode creationMode;

	/**
	* The process name and name space.
	*/
	private String processName, processNamespace;

	/**
	* True to create an abstract process, false otherwise.
	*/
	private boolean abstractProcess;

	/**
	* The properties to pass to the template.
	*/
	private final Map<String,Object> processTemplateProperties;

	/**
	* Images used in the wizard.
	*/
	private Image wsdlImg, arrowImg, bpelImg, tplImg;


	/**
	* Constructor.
	*/
	public NewBpelFileFirstPage() {
	super( PAGE_NAME );

	setTitle( Messages.NewFileWizardPage1_2 );
	setDescription( Messages.NewFileWizardPage1_3 );
	setImageDescriptor( BPELUIPlugin.INSTANCE.getImageDescriptor( IBPELUIConstants.ICON_WIZARD_BANNER ));

	this.processTemplateProperties = new HashMap<String,Object> ();
	try {
	ImageDescriptor desc = AbstractUIPlugin.imageDescriptorFromPlugin( BPELUIPlugin.PLUGIN_ID, "icons/misc/wsdl.png" );
	this.wsdlImg = desc.createImage();

	} catch( Exception e ) {
	BPELUIPlugin.log( e, IStatus.WARNING );
	}

	try {
	ImageDescriptor desc = AbstractUIPlugin.imageDescriptorFromPlugin( BPELUIPlugin.PLUGIN_ID, "icons/misc/bpel-skeleton-2.png" );
	this.bpelImg = desc.createImage();

	} catch( Exception e ) {
	BPELUIPlugin.log( e, IStatus.WARNING );
	}

	try {
	ImageDescriptor desc = AbstractUIPlugin.imageDescriptorFromPlugin( BPELUIPlugin.PLUGIN_ID, "icons/misc/arrow.png" );
	this.arrowImg = desc.createImage();

	} catch( Exception e ) {
	BPELUIPlugin.log( e, IStatus.WARNING );
	}

	try {
	ImageDescriptor desc = AbstractUIPlugin.imageDescriptorFromPlugin( BPELUIPlugin.PLUGIN_ID, "icons/misc/templates.png" );
	this.tplImg = desc.createImage();

	} catch( Exception e ) {
	BPELUIPlugin.log( e, IStatus.WARNING );
	}
	}


	/*
	* (non-Javadoc)
	* @see org.eclipse.jface.dialogs.DialogPage
	* #dispose()
	*/
	@Override
	public void dispose() {

	if( this.wsdlImg != null && ! this.wsdlImg.isDisposed())
	this.wsdlImg.dispose();

	if( this.arrowImg != null && ! this.arrowImg.isDisposed())
	this.arrowImg.dispose();

	if( this.bpelImg != null && ! this.bpelImg.isDisposed())
	this.bpelImg.dispose();

	if( this.tplImg != null && ! this.tplImg.isDisposed())
	this.tplImg.dispose();

	super.dispose();
	}


	/*
	* (non-Javadoc)
	* @see org.eclipse.jface.wizard.WizardPage
	* #getNextPage()
	*/
	@Override
	public IWizardPage getNextPage() {

	IWizardPage nextPage;
	if( this.creationMode == BpelCreationMode.CREATE_NEW_BPEL )
	nextPage = getWizard().getPage( NewBpelFileTemplatePage.PAGE_NAME );
	else
	nextPage = getWizard().getPage( NewBpelFilePortTypePage.PAGE_NAME );

	nextPage.setPreviousPage( this );
	return nextPage;
	}


	/**
	* @return the abstractProcess
	*/
	public boolean isAbstractProcess() {
	return this.abstractProcess;
	}


	/**
	* @return the properties for the templates
	*/
	public Map<String,Object> getProcessTemplateProperties() {
	return this.processTemplateProperties;
	}


	/**
	* @return the creationMode
	*/
	public BpelCreationMode getCreationMode() {
	return this.creationMode;
	}


	/*
	* (non-Javadoc)
	* @see org.eclipse.jface.dialogs.IDialogPage
	* #createControl(org.eclipse.swt.widgets.Composite)
	*/
	@Override
	public void createControl( Composite parent ) {

	// Create the container
	final Composite container = new Composite( parent, SWT.NONE );
	container.setFont( parent.getFont());
	initializeDialogUnits( parent );
	container.setLayout( new GridLayout( 2, false ));
	container.setLayoutData( new GridData( GridData.FILL_BOTH ));
	setControl( container );


	// Add a combo to select the creation mode
	Label label = new Label( container, SWT.NONE );
	label.setText( "Creation Mode:" );
	label.setToolTipText( "Select the way to create a new BPEL process" );

	final ComboViewer creationViewer = new ComboViewer( container, SWT.BORDER \| SWT.DROP_DOWN \| SWT.READ_ONLY );
	creationViewer.setContentProvider( new ArrayContentProvider());
	creationViewer.setLabelProvider( new LabelProvider());
	creationViewer.setInput( BpelCreationMode.values());


	// Add the other common widgets
	Label l = new Label( container, SWT.NONE );
	l.setText( Messages.NewFileWizardPage1_5 );
	l.setToolTipText( "The name of the BPEL process" );

	Text processNameText = new Text( container, SWT.BORDER \| SWT.SINGLE );
	processNameText.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ));
	if( this.processName != null )
	processNameText.setText( this.processName );

	processNameText.addModifyListener( new ModifyListener() {
	@Override
	public void modifyText( ModifyEvent e ) {
	NewBpelFileFirstPage.this.processName = ((Text) e.widget).getText();
	updateStatus();
	}
	});


	l = new Label( container, SWT.NONE );
	l.setText( Messages.NewFileWizardPage1_6 );
	l.setToolTipText( "The target namespace of the BPEL process" );

	Combo processNamespaceCombo = new Combo( container, SWT.DROP_DOWN \| SWT.SIMPLE );
	processNamespaceCombo.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ));
	processNamespaceCombo.setItems( BPELUIPlugin.INSTANCE.getTemplates().getNamespaceNames());
	if( this.processNamespace != null )
	processNamespaceCombo.setText( this.processNamespace );

	processNamespaceCombo.addModifyListener( new ModifyListener() {
	@Override
	public void modifyText( ModifyEvent e ) {
	NewBpelFileFirstPage.this.processNamespace = ((Combo) e.widget).getText();
	updateStatus();
	}
	});


	new Label( container, SWT.NONE );
	final Button abstractProcessButton = new Button( container, SWT.CHECK );
	abstractProcessButton.setText( "Abstract Process" );
	abstractProcessButton.setToolTipText( "Make the created process abstract" );
	abstractProcessButton.addSelectionListener( new SelectionListener() {
	@Override
	public void widgetSelected( SelectionEvent e ) {
	widgetDefaultSelected( e );
	}

	@Override
	public void widgetDefaultSelected( SelectionEvent e ) {
	NewBpelFileFirstPage.this.abstractProcess = ((Button) e.widget).getSelection();
	updateStatus();
	}
	});


	// Add an image to illustrate the creation mode
	Composite imageContainer = new Composite( container, SWT.BORDER );
	imageContainer.setBackground( getShell().getDisplay().getSystemColor( SWT.COLOR_WHITE ));
	GridLayout layout = new GridLayout( 3, false );
	layout.horizontalSpacing = 0;
	layout.marginTop = 12;
	imageContainer.setLayout( layout );

	GridData layoutData = new GridData( GridData.FILL_HORIZONTAL );
	layoutData.horizontalSpan = 2;
	layoutData.verticalIndent = 21;
	imageContainer.setLayoutData( layoutData );

	final Label imgLeftLabel = new Label( imageContainer, SWT.NONE );
	imgLeftLabel.setBackground( getShell().getDisplay().getSystemColor( SWT.COLOR_WHITE ));

	Label imgCenterLabel = new Label( imageContainer, SWT.NONE );
	imgCenterLabel.setBackground( getShell().getDisplay().getSystemColor( SWT.COLOR_WHITE ));
	imgCenterLabel.setLayoutData( new GridData( SWT.CENTER, SWT.CENTER, true, true ));
	imgCenterLabel.setImage( this.arrowImg );

	Label imgRightLabel = new Label( imageContainer, SWT.NONE );
	imgRightLabel.setBackground( getShell().getDisplay().getSystemColor( SWT.COLOR_WHITE ));
	imgRightLabel.setImage( this.bpelImg );

	final Text explainationText = new Text( imageContainer, SWT.MULTI \| SWT.READ_ONLY \| SWT.WRAP );
	explainationText.setBackground( getShell().getDisplay().getSystemColor( SWT.COLOR_WHITE ));
	layoutData = new GridData( GridData.FILL_HORIZONTAL );
	layoutData.horizontalSpan = 3;
	layoutData.verticalIndent = 21;
	explainationText.setLayoutData( layoutData );


	// Detect when the creation mode changes
	creationViewer.addSelectionChangedListener( new ISelectionChangedListener() {
	@Override
	public void selectionChanged( SelectionChangedEvent event ) {
	NewBpelFileFirstPage.this.creationMode = (BpelCreationMode) ((IStructuredSelection) creationViewer.getSelection()).getFirstElement();
	explainationText.setText( NewBpelFileFirstPage.this.creationMode.getDescription());
	if( NewBpelFileFirstPage.this.creationMode == BpelCreationMode.GENERATE_BPEL_FROM_WSDL )
	imgLeftLabel.setImage( NewBpelFileFirstPage.this.wsdlImg );
	else
	imgLeftLabel.setImage( NewBpelFileFirstPage.this.tplImg );

	imgLeftLabel.getParent().layout();
	imgLeftLabel.getParent().getParent().layout();
	updateStatus();
	}
	});


	// Initialize all the stuff
	creationViewer.setSelection( new StructuredSelection( BpelCreationMode.CREATE_NEW_BPEL ));
	creationViewer.getCombo().notifyListeners( SWT.Selection, new Event());
	if( getErrorMessage() != null ) {
	setPageComplete( false );
	setErrorMessage( null );
	}
	}


	/**
	* Validates the page data and updates the page state in consequence.
	*/
	private void updateStatus() {
	String errorMsg = validatePage();
	setPageComplete( errorMsg == null );
	setErrorMessage( errorMsg );
	}


	/**
	* Validates the page data and stores valid values for further use.
	* @return an error message or null if everything is right
	*/
	private String validatePage() {

	String errorMsg = null;

	// Validate the page fields
	IStatus nameStatus;
	if( this.processName == null \|\| this.processName.trim().length() == 0 )
	errorMsg = "You have to specify the process name.";

	else if( this.processName.matches( "\\s" ))
	errorMsg = "The process name cannot contain spaces or white characters.";

	else if( ! ( nameStatus = ResourcesPlugin.getWorkspace().validateName( this.processName, IResource.FILE )).isOK())
	errorMsg = nameStatus.getMessage();

	else if( this.processNamespace == null \|\| this.processNamespace.trim().length() == 0 )
	errorMsg = "You have to specify the process namespace.";


	// No error => store properties for the templates
	if( errorMsg == null
	&& this.creationMode == BpelCreationMode.CREATE_NEW_BPEL ) {

	String bpelNamespace = this.abstractProcess ? BPELConstants.NAMESPACE_ABSTRACT_2007 : BPELConstants.NAMESPACE;
	this.processTemplateProperties.put( "processName", this.processName ); //$NON-NLS-1$
	this.processTemplateProperties.put( "namespace", this.processNamespace ); //$NON-NLS-1$
	this.processTemplateProperties.put( "bpelNamespace", bpelNamespace ); //$NON-NLS-1$
	this.processTemplateProperties.put( "date", new Date()); //$NON-NLS-1$
	}


	// Save some fields for further use
	IDialogSettings settings = getWizard().getDialogSettings();
	if( settings != null )
	settings.put( NewBpelFileWizard.DIALOG_SETTINGS_PROCESS_NAME, this.processName );

	return errorMsg;
	}


	/**
	* The different modes to create a new BPEL to edit.
	*/
	public static enum BpelCreationMode {
	CREATE_NEW_BPEL, GENERATE_BPEL_FROM_WSDL;

	/*
	* (non-Javadoc)
	* @see java.lang.Enum#toString()
	*/
	@Override
	public String toString() {

	String result;
	switch( this ) {
	case CREATE_NEW_BPEL:
	result = "Create a BPEL process from a template";
	break;
	case GENERATE_BPEL_FROM_WSDL:
	result = "Create a BPEL process from a service description";
	break;
	default:
	result = "";
	}

	return result;
	};


	/**
	* @return a more detailed description
	*/
	public String getDescription() {

	String result;
	switch( this ) {
	case CREATE_NEW_BPEL:
	result = "This will generate a skeleton of BPEL process.\nThis skeleton is based on pre-defined templates.";
	break;

	case GENERATE_BPEL_FROM_WSDL:
	result = "This will generate a skeleton of BPEL process to implement a given WSDL contract.\n"
	+ "\t \u2666 \tThe resulting process starts with a pick activity.\n"
	+ "\t \u2666 \tMessage dispatching depends on the invoked operation.";
	break;
	default:
	result = "";
	}

	return result;
	}
	}
	}