plugins/org.eclipse.wst.common.frameworks.ui/wtp_ui/org/eclipse/wst/common/frameworks/internal/datamodel/ui/DataModelWizardPage.java - webtools-common/webtools.common - Git at Google

 /*******************************************************************************
  * Copyright (c) 2001, 2008 IBM 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:
  *     IBM Corporation - initial API and implementation
  *     Kaloyan Raev, kaloyan.raev@sap.com - bug 213927
  *******************************************************************************/
 package org.eclipse.wst.common.frameworks.internal.datamodel.ui;

 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;

 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.jface.dialogs.IMessageProvider;
 import org.eclipse.jface.wizard.IWizard;
 import org.eclipse.jface.wizard.IWizardPage;
 import org.eclipse.jface.wizard.WizardPage;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Listener;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.wst.common.frameworks.datamodel.DataModelEvent;
 import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
 import org.eclipse.wst.common.frameworks.datamodel.IDataModelListener;
 import org.eclipse.wst.common.frameworks.internal.ui.ValidationStatus;

 /**
  * This class is EXPERIMENTAL and is subject to substantial changes.
  */
 public abstract class DataModelWizardPage extends WizardPage implements Listener, IDataModelListener {

 	protected static final int NEXT = 1;
 	protected static final int PREVIOUS = 2;
 	protected static final int COMPOSITE_BORDER = SWT.NULL;
 	private ValidationStatus status = new ValidationStatus();
 	private boolean isValidating = false;
 	protected boolean isFirstTimeToPage = true;
 	protected IDataModel model;
 	private Map validationMap;
 	private String[] validationPropertyNames;
 	protected DataModelSynchHelper synchHelper;
 	private String infopopID;
 	private DataModelWizard wizard;
 	private IWizardPage previousPage;

 	/**
 	 * J2EEWizardPage constructor comment.
 	 *
 	 * @param pageName
 	 *            java.lang.String
 	 */
 	protected DataModelWizardPage(IDataModel model, String pageName) {
 		super(pageName);
 		this.model = model;
 		model.addListener(this);
 		synchHelper = initializeSynchHelper(model);
 	}

 	/**
 	 * @return
 	 */
 	public DataModelSynchHelper initializeSynchHelper(IDataModel dm) {
 		return new DataModelSynchHelper(dm);
 	}

 	/**
 	 * J2EEWizardPage constructor comment.
 	 *
 	 * @param pageName
 	 *            java.lang.String
 	 * @param title
 	 *            java.lang.String
 	 * @param titleImage
 	 *            org.eclipse.jface.resource.ImageDescriptor
 	 */
 	protected DataModelWizardPage(IDataModel model, String pageName, String title, org.eclipse.jface.resource.ImageDescriptor titleImage) {
 		super(pageName, title, titleImage);
 		this.model = model;
 		model.addListener(this);
 		synchHelper = initializeSynchHelper(model);
 	}

 	/**
 	 * Creates the top level control for this dialog page under the given parent composite. This
 	 * method has been abstract and it uses the template pattern to get the correct items setup in
 	 * the correct order. See the set of methods below that are called in this method.
 	 * <p>
 	 * Implementors are responsible for ensuring that the created control can be accessed via
 	 * <code>getControl</code>
 	 * </p>
 	 *
 	 * @param parent
 	 *            the parent composite
 	 */
 	public final void createControl(Composite parent) {
 		Composite top = createTopLevelComposite(parent);
 		addExtendedControls(top);
 		setControl(top);
 		setupInfopop(top);
 		setDefaults();
 		addListeners();
 		initializeValidationProperties();
 	}

 	private void addExtendedControls(Composite top) {
 		IWizard _wizard = getWizard();
 		if (_wizard instanceof DataModelWizard) {
 			PageExtensionManager pageExtensionManager = ((DataModelWizard) _wizard).getPageExtensionManager();
 			pageExtensionManager.createAdditionalControls(top, model, getName());
 		}
 	}

 	private void initializeValidationProperties() {
 		validationPropertyNames = getValidationPropertyNames();
 		if (validationPropertyNames == null || validationPropertyNames.length == 0)
 			validationMap = Collections.EMPTY_MAP;
 		else {
 			validationMap = new HashMap(validationPropertyNames.length);
 			for (int i = 0; i < validationPropertyNames.length; i++)
 				validationMap.put(validationPropertyNames[i], new Integer(i));
 		}
 	}

 	public boolean canFlipToNextPage() {
 		// TODO why is that last getNextPage() call here???
 		return isPageComplete() && ((null != wizard && wizard.getPageGroupManager().hasNextPage() || null != getNextPage()));
 	}

 	/*
 	 * (non-Javadoc) Method declared on IWizardPage.
 	 */
 	public void setWizard(IWizard newWizard) {
 		super.setWizard(newWizard);
 		if (newWizard instanceof DataModelWizard) {
 			wizard = (DataModelWizard) newWizard;
 		}
 	}

 	public IWizardPage getPreviousPage() {
 		return previousPage;
 	}

 	public void setPreviousPage(IWizardPage page) {
 		super.setPreviousPage(page);
 		previousPage = page;
 	}

 	/**
 	 * Subclass should return the model property names that need to be validated on this page in the
 	 * order that they should present their messages.
 	 *
 	 * @return
 	 */
 	protected abstract String[] getValidationPropertyNames();

 	/**
 	 * Return the top level Composite for this page.
 	 */
 	protected abstract Composite createTopLevelComposite(Composite parent);

 	/**
 	 * Set up info pop hooks if set.
 	 */
 	protected void setupInfopop(Control parent) {
 		if (getInfopopID() != null)
 			PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, getInfopopID());
 	}

 	/**
 	 * Setup the default values for this page. Subclasses should override to provide appropriate
 	 * defaults.
 	 */
 	protected void setDefaults() {
 		restoreDefaultSettings();
 	}

 	/**
 	 * Subclasses should implement this method if they have default settings that have been stored
 	 * and need to be restored.
 	 *
 	 * @see storeDefaultSettings()
 	 */
 	protected void restoreDefaultSettings() {
 	}

 	/**
 	 * Add Listeners to controls at this point to avoid unnecessary events. Subclasses should
 	 * override to add listeners to its controls.
 	 */
 	protected void addListeners() {
 	}

 	/**
 	 * The page is being made current and visible. Subclasses may extend.
 	 */
 	protected void enter() {
 		try {
 			// Check to see if we are moving back one page.
 			if (null != wizard && wizard.getPreviousPage(wizard.getPageGroupManager().getCurrentPage()) == this) {
 				wizard.getPageGroupManager().moveBackOnePage();
 			}

 			validatePage(showValidationErrorsOnEnter());
 		} finally {
 			isFirstTimeToPage = false;
 		}
 	}

 	/**
 	 * The default behavior is to return true unless it is the first time entering this page in
 	 * which case we check to see if there is a previous page and return true if there is not.
 	 * Subclasses should override if they do not want this default behavior.
 	 */
 	protected boolean showValidationErrorsOnEnter() {
 		return !isFirstTimeToPage();
 	}

 	/**
 	 * The default behavior is to return true unless it is the first time entering this page in
 	 * which case we check to see if there is a previous page and return true if there is not.
 	 * Subclasses should override if they do not want this default behavior.
 	 *
 	 * @deprecated - use showValidatoinErrorsOnEnter instead
 	 */
 	protected boolean shouldValidateOnEnter() {
 		return showValidationErrorsOnEnter();
 	}

 	/**
 	 * Exiting the page. Subclasses may extend.
 	 */
 	protected void exit() {
 	}

 	protected boolean getStatus(Integer key) {
 		return status.hasError(key);
 	}

 	/**
 	 * Sent when an event that the receiver has registered for occurs. If a subclass overrides this
 	 * method, it must call super.
 	 *
 	 * @param event
 	 *            the event which occurred
 	 */
 	public void handleEvent(org.eclipse.swt.widgets.Event event) {
 	}

 	/**
 	 * Set the error message for this page based on the last error in the ValidationStatus.
 	 */
 	protected void setErrorMessage() {
 		String error = status.getLastErrMsg();
 		if (error == null) {
 			if (getErrorMessage() != null)
 				setErrorMessage((String) null);
 			String warning = status.getLastWarningMsg();
 			if (warning == null) {
 				if (getMessage() != null && getMessageType() == IMessageProvider.WARNING)
 					setMessage(null, IMessageProvider.WARNING);
 				else {
 					String info = status.getLastInfoMsg();
 					if (info == null) {
 						if (getMessage() != null && getMessageType() == IMessageProvider.INFORMATION)
 							setMessage(null, IMessageProvider.INFORMATION);
 					} else if (!info.equals(getMessage())) {
 						setMessage(info, IMessageProvider.INFORMATION);
 					}
 				}
 			} else if (!warning.equals(getMessage()))
 				setMessage(warning, IMessageProvider.WARNING);
 		} else if (!error.equals(getErrorMessage()))
 							setErrorMessage(error);
 						}

 	protected void setErrorStatus(Integer key, String errorMessage) {
 		status.setErrorStatus(key, errorMessage);
 	}

 	protected void setWarningStatus(Integer key, String warningMessage) {
 		status.setWarningStatus(key, warningMessage);
 	}

 	protected void setInfoStatus(Integer key, String infoMessage) {
 		status.setInfoStatus(key, infoMessage);
 	}

 	protected void setOKStatus(Integer key) {
 		status.setOKStatus(key);
 	}

 	/**
 	 * The <code>DialogPage</code> implementation of this <code>IDialogPage</code> method sets
 	 * the control to the given visibility state. Subclasses may extend.
 	 */

 	public void setVisible(boolean visible) {
 		super.setVisible(visible);
 		if (visible) {
 			enter();
 		} else
 			exit();
 	}

 	/**
 	 * This should be called by the Wizard just prior to running the performFinish operation.
 	 * Subclasses should override to store their default settings.
 	 */
 	public void storeDefaultSettings() {
 	}

 	/**
 	 * The page is now being validated. At this time, each control is validated and then the
 	 * controls are updated based on the results in the ValidationStatus which was updated during
 	 * <code>validateControls()</code>. Finally, it will display the last error message and it
 	 * will set the page complete. Subclasses will not typically override this method.
 	 */
 	protected void validatePage() {
 		validatePage(true);
 	}

 	protected void validatePage(boolean showMessage) {
 		if (!isValidating) {
 			isValidating = true;
 			try {
 				validateControlsBase();
 				updateControls();
 				if (showMessage)
 					setErrorMessage();
 				setPageComplete(status.getLastErrMsg() == null);
 			} finally {
 				isValidating = false;
 			}
 		}
 	}

 	/**
 	 * Validate individual controls. Use validation keys to keep track of errors.
 	 *
 	 * @see setOKStatus(Integer) and setErrorMessage(Integer, String)
 	 */
 	protected final String validateControlsBase() {
 		if (!validationMap.isEmpty()) {
 			String propName;
 			for (int i = 0; i < validationPropertyNames.length; i++) {
 				propName = validationPropertyNames[i];
 				Integer valKey = (Integer) validationMap.get(propName);
 				if (valKey != null)
 					validateProperty(propName, valKey);
 				if (!getStatus(valKey))
 					return propName;
 			}
 		}
 		return null;
 	}

 	/**
 	 * @param propertyName
 	 * @param validationkey
 	 */
 	private void validateProperty(String propertyName, Integer validationKey) {
 		setOKStatus(validationKey);
 		IStatus status1 = model.validateProperty(propertyName);
 		if (!status1.isOK()) {
 			String message = status1.isMultiStatus() ? status1.getChildren()[0].getMessage() : status1.getMessage();
 			switch (status1.getSeverity()) {
 				case IStatus.ERROR :
 					setErrorStatus(validationKey, message);
 					break;
 				case IStatus.WARNING :
 					setWarningStatus(validationKey, message);
 					break;
 				case IStatus.INFO :
 					setInfoStatus(validationKey, message);
 					break;
 			}
 		}
 	}

 	/**
 	 * Update the enablement of controls after validation. Sublcasses should check the status of
 	 * validation keys to determine enablement.
 	 */
 	protected void updateControls() {
 	}

 	/**
 	 * Gets the isFirstTimeToPage.
 	 *
 	 * @return Returns a boolean
 	 */
 	protected boolean isFirstTimeToPage() {
 		return isFirstTimeToPage;
 	}

 	// protected void setJavaStatusMessage(IStatus javaStatus, Integer statusKey, String message) {
 	// if (javaStatus.getSeverity() == IStatus.WARNING)
 	// setWarningStatus(statusKey, message);
 	// else
 	// setErrorStatus(statusKey, message);
 	// }

 	/**
 	 * @param b
 	 */
 	public void setFirstTimeToPage(boolean b) {
 		isFirstTimeToPage = b;
 	}

 	private boolean gotDataModelWizard = false;
 	private DataModelWizard dataModelWizard = null;
 	protected DataModelWizard getDataModelWizard(){
 		if(!gotDataModelWizard){
 			gotDataModelWizard = true;
 			IWizard wizard = getWizard();
 			if(wizard instanceof DataModelWizard){
 				dataModelWizard = (DataModelWizard)wizard;
 			}
 		}
 		return dataModelWizard;
 	}


 	/*
 	 * If a property changes that we want to validate, force validation on this page.
 	 *
 	 * @see org.eclipse.wst.common.frameworks.internal.operation.WTPOperationDataModelListener#propertyChanged(java.lang.String,
 	 *      java.lang.Object, java.lang.Object)
 	 */
 	public void propertyChanged(final DataModelEvent event) {
 		DataModelWizard w = getDataModelWizard();
 		if(w == null || !w.isExecuting())
 		{
 		    final Runnable uiChanges = new Runnable()
 		    {
 		        public void run()
 		        {
         			String propertyName = event.getPropertyName();
         			if (validationPropertyNames != null && (event.getFlag() == DataModelEvent.VALUE_CHG || (!isPageComplete() && event.getFlag() == DataModelEvent.VALID_VALUES_CHG))) {
         				for (int i = 0; i < validationPropertyNames.length; i++) {
         					if (validationPropertyNames[i].equals(propertyName)) {
         						validatePage(showValidationErrorsOnEnter());
         						break;
         					}
         				}
         			}
 		        }
 		    };
 		    if(Thread.currentThread() == Display.getDefault().getThread()){
 		    	uiChanges.run();
 		    } else {
 		    	Display.getDefault().asyncExec(uiChanges);
 		    }
 		}
 	}

 	/**
 	 * @return Returns the model.
 	 */
 	protected IDataModel getDataModel() {
 		return model;
 	}

 	public void dispose() {
 		super.dispose();
 		if (synchHelper != null) {
 			synchHelper.dispose();
 			synchHelper = null;
 		}
 	}

 	protected String getInfopopID() {
 		return infopopID;
 	}

 	public void setInfopopID(String infopopID) {
 		this.infopopID = infopopID;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2001, 2008 IBM 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:
	* IBM Corporation - initial API and implementation
	* Kaloyan Raev, kaloyan.raev@sap.com - bug 213927
	*******************************************************************************/
	package org.eclipse.wst.common.frameworks.internal.datamodel.ui;

	import java.util.Collections;
	import java.util.HashMap;
	import java.util.Map;

	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.jface.dialogs.IMessageProvider;
	import org.eclipse.jface.wizard.IWizard;
	import org.eclipse.jface.wizard.IWizardPage;
	import org.eclipse.jface.wizard.WizardPage;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Display;
	import org.eclipse.swt.widgets.Listener;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.wst.common.frameworks.datamodel.DataModelEvent;
	import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
	import org.eclipse.wst.common.frameworks.datamodel.IDataModelListener;
	import org.eclipse.wst.common.frameworks.internal.ui.ValidationStatus;

	/**
	* This class is EXPERIMENTAL and is subject to substantial changes.
	*/
	public abstract class DataModelWizardPage extends WizardPage implements Listener, IDataModelListener {

	protected static final int NEXT = 1;
	protected static final int PREVIOUS = 2;
	protected static final int COMPOSITE_BORDER = SWT.NULL;
	private ValidationStatus status = new ValidationStatus();
	private boolean isValidating = false;
	protected boolean isFirstTimeToPage = true;
	protected IDataModel model;
	private Map validationMap;
	private String[] validationPropertyNames;
	protected DataModelSynchHelper synchHelper;
	private String infopopID;
	private DataModelWizard wizard;
	private IWizardPage previousPage;

	/**
	* J2EEWizardPage constructor comment.
	*
	* @param pageName
	* java.lang.String
	*/
	protected DataModelWizardPage(IDataModel model, String pageName) {
	super(pageName);
	this.model = model;
	model.addListener(this);
	synchHelper = initializeSynchHelper(model);
	}

	/**
	* @return
	*/
	public DataModelSynchHelper initializeSynchHelper(IDataModel dm) {
	return new DataModelSynchHelper(dm);
	}

	/**
	* J2EEWizardPage constructor comment.
	*
	* @param pageName
	* java.lang.String
	* @param title
	* java.lang.String
	* @param titleImage
	* org.eclipse.jface.resource.ImageDescriptor
	*/
	protected DataModelWizardPage(IDataModel model, String pageName, String title, org.eclipse.jface.resource.ImageDescriptor titleImage) {
	super(pageName, title, titleImage);
	this.model = model;
	model.addListener(this);
	synchHelper = initializeSynchHelper(model);
	}

	/**
	* Creates the top level control for this dialog page under the given parent composite. This
	* method has been abstract and it uses the template pattern to get the correct items setup in
	* the correct order. See the set of methods below that are called in this method.
	* <p>
	* Implementors are responsible for ensuring that the created control can be accessed via
	* <code>getControl</code>
	* </p>
	*
	* @param parent
	* the parent composite
	*/
	public final void createControl(Composite parent) {
	Composite top = createTopLevelComposite(parent);
	addExtendedControls(top);
	setControl(top);
	setupInfopop(top);
	setDefaults();
	addListeners();
	initializeValidationProperties();
	}

	private void addExtendedControls(Composite top) {
	IWizard _wizard = getWizard();
	if (_wizard instanceof DataModelWizard) {
	PageExtensionManager pageExtensionManager = ((DataModelWizard) _wizard).getPageExtensionManager();
	pageExtensionManager.createAdditionalControls(top, model, getName());
	}
	}

	private void initializeValidationProperties() {
	validationPropertyNames = getValidationPropertyNames();
	if (validationPropertyNames == null \|\| validationPropertyNames.length == 0)
	validationMap = Collections.EMPTY_MAP;
	else {
	validationMap = new HashMap(validationPropertyNames.length);
	for (int i = 0; i < validationPropertyNames.length; i++)
	validationMap.put(validationPropertyNames[i], new Integer(i));
	}
	}

	public boolean canFlipToNextPage() {
	// TODO why is that last getNextPage() call here???
	return isPageComplete() && ((null != wizard && wizard.getPageGroupManager().hasNextPage() \|\| null != getNextPage()));
	}

	/*
	* (non-Javadoc) Method declared on IWizardPage.
	*/
	public void setWizard(IWizard newWizard) {
	super.setWizard(newWizard);
	if (newWizard instanceof DataModelWizard) {
	wizard = (DataModelWizard) newWizard;
	}
	}

	public IWizardPage getPreviousPage() {
	return previousPage;
	}

	public void setPreviousPage(IWizardPage page) {
	super.setPreviousPage(page);
	previousPage = page;
	}

	/**
	* Subclass should return the model property names that need to be validated on this page in the
	* order that they should present their messages.
	*
	* @return
	*/
	protected abstract String[] getValidationPropertyNames();

	/**
	* Return the top level Composite for this page.
	*/
	protected abstract Composite createTopLevelComposite(Composite parent);

	/**
	* Set up info pop hooks if set.
	*/
	protected void setupInfopop(Control parent) {
	if (getInfopopID() != null)
	PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, getInfopopID());
	}

	/**
	* Setup the default values for this page. Subclasses should override to provide appropriate
	* defaults.
	*/
	protected void setDefaults() {
	restoreDefaultSettings();
	}

	/**
	* Subclasses should implement this method if they have default settings that have been stored
	* and need to be restored.
	*
	* @see storeDefaultSettings()
	*/
	protected void restoreDefaultSettings() {
	}

	/**
	* Add Listeners to controls at this point to avoid unnecessary events. Subclasses should
	* override to add listeners to its controls.
	*/
	protected void addListeners() {
	}

	/**
	* The page is being made current and visible. Subclasses may extend.
	*/
	protected void enter() {
	try {
	// Check to see if we are moving back one page.
	if (null != wizard && wizard.getPreviousPage(wizard.getPageGroupManager().getCurrentPage()) == this) {
	wizard.getPageGroupManager().moveBackOnePage();
	}

	validatePage(showValidationErrorsOnEnter());
	} finally {
	isFirstTimeToPage = false;
	}
	}

	/**
	* The default behavior is to return true unless it is the first time entering this page in
	* which case we check to see if there is a previous page and return true if there is not.
	* Subclasses should override if they do not want this default behavior.
	*/
	protected boolean showValidationErrorsOnEnter() {
	return !isFirstTimeToPage();
	}

	/**
	* The default behavior is to return true unless it is the first time entering this page in
	* which case we check to see if there is a previous page and return true if there is not.
	* Subclasses should override if they do not want this default behavior.
	*
	* @deprecated - use showValidatoinErrorsOnEnter instead
	*/
	protected boolean shouldValidateOnEnter() {
	return showValidationErrorsOnEnter();
	}

	/**
	* Exiting the page. Subclasses may extend.
	*/
	protected void exit() {
	}

	protected boolean getStatus(Integer key) {
	return status.hasError(key);
	}

	/**
	* Sent when an event that the receiver has registered for occurs. If a subclass overrides this
	* method, it must call super.
	*
	* @param event
	* the event which occurred
	*/
	public void handleEvent(org.eclipse.swt.widgets.Event event) {
	}

	/**
	* Set the error message for this page based on the last error in the ValidationStatus.
	*/
	protected void setErrorMessage() {
	String error = status.getLastErrMsg();
	if (error == null) {
	if (getErrorMessage() != null)
	setErrorMessage((String) null);
	String warning = status.getLastWarningMsg();
	if (warning == null) {
	if (getMessage() != null && getMessageType() == IMessageProvider.WARNING)
	setMessage(null, IMessageProvider.WARNING);
	else {
	String info = status.getLastInfoMsg();
	if (info == null) {
	if (getMessage() != null && getMessageType() == IMessageProvider.INFORMATION)
	setMessage(null, IMessageProvider.INFORMATION);
	} else if (!info.equals(getMessage())) {
	setMessage(info, IMessageProvider.INFORMATION);
	}
	}
	} else if (!warning.equals(getMessage()))
	setMessage(warning, IMessageProvider.WARNING);
	} else if (!error.equals(getErrorMessage()))
	setErrorMessage(error);
	}

	protected void setErrorStatus(Integer key, String errorMessage) {
	status.setErrorStatus(key, errorMessage);
	}

	protected void setWarningStatus(Integer key, String warningMessage) {
	status.setWarningStatus(key, warningMessage);
	}

	protected void setInfoStatus(Integer key, String infoMessage) {
	status.setInfoStatus(key, infoMessage);
	}

	protected void setOKStatus(Integer key) {
	status.setOKStatus(key);
	}

	/**
	* The <code>DialogPage</code> implementation of this <code>IDialogPage</code> method sets
	* the control to the given visibility state. Subclasses may extend.
	*/

	public void setVisible(boolean visible) {
	super.setVisible(visible);
	if (visible) {
	enter();
	} else
	exit();
	}

	/**
	* This should be called by the Wizard just prior to running the performFinish operation.
	* Subclasses should override to store their default settings.
	*/
	public void storeDefaultSettings() {
	}

	/**
	* The page is now being validated. At this time, each control is validated and then the
	* controls are updated based on the results in the ValidationStatus which was updated during
	* <code>validateControls()</code>. Finally, it will display the last error message and it
	* will set the page complete. Subclasses will not typically override this method.
	*/
	protected void validatePage() {
	validatePage(true);
	}

	protected void validatePage(boolean showMessage) {
	if (!isValidating) {
	isValidating = true;
	try {
	validateControlsBase();
	updateControls();
	if (showMessage)
	setErrorMessage();
	setPageComplete(status.getLastErrMsg() == null);
	} finally {
	isValidating = false;
	}
	}
	}

	/**
	* Validate individual controls. Use validation keys to keep track of errors.
	*
	* @see setOKStatus(Integer) and setErrorMessage(Integer, String)
	*/
	protected final String validateControlsBase() {
	if (!validationMap.isEmpty()) {
	String propName;
	for (int i = 0; i < validationPropertyNames.length; i++) {
	propName = validationPropertyNames[i];
	Integer valKey = (Integer) validationMap.get(propName);
	if (valKey != null)
	validateProperty(propName, valKey);
	if (!getStatus(valKey))
	return propName;
	}
	}
	return null;
	}

	/**
	* @param propertyName
	* @param validationkey
	*/
	private void validateProperty(String propertyName, Integer validationKey) {
	setOKStatus(validationKey);
	IStatus status1 = model.validateProperty(propertyName);
	if (!status1.isOK()) {
	String message = status1.isMultiStatus() ? status1.getChildren()[0].getMessage() : status1.getMessage();
	switch (status1.getSeverity()) {
	case IStatus.ERROR :
	setErrorStatus(validationKey, message);
	break;
	case IStatus.WARNING :
	setWarningStatus(validationKey, message);
	break;
	case IStatus.INFO :
	setInfoStatus(validationKey, message);
	break;
	}
	}
	}

	/**
	* Update the enablement of controls after validation. Sublcasses should check the status of
	* validation keys to determine enablement.
	*/
	protected void updateControls() {
	}

	/**
	* Gets the isFirstTimeToPage.
	*
	* @return Returns a boolean
	*/
	protected boolean isFirstTimeToPage() {
	return isFirstTimeToPage;
	}

	// protected void setJavaStatusMessage(IStatus javaStatus, Integer statusKey, String message) {
	// if (javaStatus.getSeverity() == IStatus.WARNING)
	// setWarningStatus(statusKey, message);
	// else
	// setErrorStatus(statusKey, message);
	// }

	/**
	* @param b
	*/
	public void setFirstTimeToPage(boolean b) {
	isFirstTimeToPage = b;
	}

	private boolean gotDataModelWizard = false;
	private DataModelWizard dataModelWizard = null;
	protected DataModelWizard getDataModelWizard(){
	if(!gotDataModelWizard){
	gotDataModelWizard = true;
	IWizard wizard = getWizard();
	if(wizard instanceof DataModelWizard){
	dataModelWizard = (DataModelWizard)wizard;
	}
	}
	return dataModelWizard;
	}


	/*
	* If a property changes that we want to validate, force validation on this page.
	*
	* @see org.eclipse.wst.common.frameworks.internal.operation.WTPOperationDataModelListener#propertyChanged(java.lang.String,
	* java.lang.Object, java.lang.Object)
	*/
	public void propertyChanged(final DataModelEvent event) {
	DataModelWizard w = getDataModelWizard();
	if(w == null \|\| !w.isExecuting())
	{
	final Runnable uiChanges = new Runnable()
	{
	public void run()
	{
	String propertyName = event.getPropertyName();
	if (validationPropertyNames != null && (event.getFlag() == DataModelEvent.VALUE_CHG \|\| (!isPageComplete() && event.getFlag() == DataModelEvent.VALID_VALUES_CHG))) {
	for (int i = 0; i < validationPropertyNames.length; i++) {
	if (validationPropertyNames[i].equals(propertyName)) {
	validatePage(showValidationErrorsOnEnter());
	break;
	}
	}
	}
	}
	};
	if(Thread.currentThread() == Display.getDefault().getThread()){
	uiChanges.run();
	} else {
	Display.getDefault().asyncExec(uiChanges);
	}
	}
	}

	/**
	* @return Returns the model.
	*/
	protected IDataModel getDataModel() {
	return model;
	}

	public void dispose() {
	super.dispose();
	if (synchHelper != null) {
	synchHelper.dispose();
	synchHelper = null;
	}
	}

	protected String getInfopopID() {
	return infopopID;
	}

	public void setInfopopID(String infopopID) {
	this.infopopID = infopopID;
	}
	}