bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/dialogs/WizardNewProjectCreationPage.java - platform/eclipse.platform.ui - Git at Google

 package org.eclipse.ui.dialogs;

 /*
  * (c) Copyright IBM Corp. 2000, 2001.
  * All Rights Reserved.
  */
 import java.io.File;

 import org.eclipse.core.resources.*;
 import org.eclipse.core.runtime.*;
 import org.eclipse.jface.wizard.WizardPage;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.*;
 import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.ui.help.WorkbenchHelp;
 import org.eclipse.ui.internal.*;

 /**
  * Standard main page for a wizard that is creates a project resource.
  * <p>
  * This page may be used by clients as-is; it may be also be subclassed to suit.
  * </p>
  * <p>
  * Example useage:
  * <pre>
  * mainPage = new WizardNewProjectCreationPage("basicNewProjectPage");
  * mainPage.setTitle("Project");
  * mainPage.setDescription("Create a new project resource.");
  * </pre>
  * </p>
  */
 public class WizardNewProjectCreationPage extends WizardPage {

 	private boolean useDefaults = true;

 	// initial value stores
 	private String initialProjectFieldValue;
 	private IPath initialLocationFieldValue;

 	// the value the user has entered
 	private String customLocationFieldValue;

 	// widgets
 	private Text projectNameField;
 	private Text locationPathField;
 	private Label locationLabel;
 	private Button browseButton;

 	private Listener nameModifyListener = new Listener() {
 		public void handleEvent(Event e) {
 			setLocationForSelection();
 			setPageComplete(validatePage());
 		}
 	};

 	private Listener locationModifyListener = new Listener() {
 		public void handleEvent(Event e) {
 			setPageComplete(validatePage());
 		}
 	};

 	// constants
 	private static final int SIZING_TEXT_FIELD_WIDTH = 250;
 	private static final int SIZING_INDENTATION_WIDTH = 10;
 /**
  * Creates a new project creation wizard page.
  *
  * @param pageName the name of this page
  */
 public WizardNewProjectCreationPage(String pageName) {
 	super(pageName);
 	setPageComplete(false);
 	initialLocationFieldValue = Platform.getLocation();
 	customLocationFieldValue = ""; //$NON-NLS-1$
 }
 /** (non-Javadoc)
  * Method declared on IDialogPage.
  */
 public void createControl(Composite parent) {
 	Composite composite = new Composite(parent, SWT.NULL);
 	composite.setFont(parent.getFont());

 	initializeDialogUnits(parent);

 	WorkbenchHelp.setHelp(composite, IHelpContextIds.NEW_PROJECT_WIZARD_PAGE);

 	composite.setLayout(new GridLayout());
 	composite.setLayoutData(new GridData(GridData.FILL_BOTH));

 	createProjectNameGroup(composite);
 	createProjectLocationGroup(composite);
 	setPageComplete(validatePage());
 	// Show description on opening
 	setErrorMessage(null);
 	setMessage(null);
 	setControl(composite);
 }
 /**
  * Creates the project location specification controls.
  *
  * @param parent the parent composite
  */
 private final void createProjectLocationGroup(Composite parent) {


 	Font font = parent.getFont();
 	// project specification group
 	Group projectGroup = new Group(parent, SWT.NONE);
 	GridLayout layout = new GridLayout();
 	layout.numColumns = 3;
 	projectGroup.setLayout(layout);
 	projectGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 	projectGroup.setFont(font);
 	projectGroup.setText(WorkbenchMessages.getString("WizardNewProjectCreationPage.projectContentsGroupLabel")); //$NON-NLS-1$

 	final Button useDefaultsButton = new Button(projectGroup, SWT.CHECK | SWT.RIGHT);
 	useDefaultsButton.setText(WorkbenchMessages.getString("WizardNewProjectCreationPage.useDefaultLabel")); //$NON-NLS-1$
 	useDefaultsButton.setSelection(useDefaults);
 	useDefaultsButton.setFont(font);

 	GridData buttonData = new GridData();
 	buttonData.horizontalSpan = 3;
 	useDefaultsButton.setLayoutData(buttonData);

 	createUserSpecifiedProjectLocationGroup(projectGroup, !useDefaults);

 	SelectionListener listener = new SelectionAdapter() {
 		public void widgetSelected(SelectionEvent e) {
 			useDefaults = useDefaultsButton.getSelection();
 			browseButton.setEnabled(!useDefaults);
 			locationPathField.setEnabled(!useDefaults);
 			locationLabel.setEnabled(!useDefaults);
 			if (useDefaults) {
 				customLocationFieldValue = locationPathField.getText();
 				setLocationForSelection();
 			} else {
 				locationPathField.setText(customLocationFieldValue);
 			}
 		}
 	};
 	useDefaultsButton.addSelectionListener(listener);
 }
 /**
  * Creates the project name specification controls.
  *
  * @param parent the parent composite
  */
 private final void createProjectNameGroup(Composite parent) {
 	// project specification group
 	Composite projectGroup = new Composite(parent, SWT.NONE);
 	GridLayout layout = new GridLayout();
 	layout.numColumns = 2;
 	projectGroup.setLayout(layout);
 	projectGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 	// new project label
 	Label projectLabel = new Label(projectGroup, SWT.NONE);
 	projectLabel.setText(WorkbenchMessages.getString("WizardNewProjectCreationPage.nameLabel")); //$NON-NLS-1$
 	projectLabel.setFont(parent.getFont());

 	// new project name entry field
 	projectNameField = new Text(projectGroup, SWT.BORDER);
 	GridData data = new GridData(GridData.FILL_HORIZONTAL);
 	data.widthHint = SIZING_TEXT_FIELD_WIDTH;
 	projectNameField.setLayoutData(data);
 	projectNameField.setFont(parent.getFont());

 	// Set the initial value first before listener
 	// to avoid handling an event during the creation.
 	if (initialProjectFieldValue != null)
 		projectNameField.setText(initialProjectFieldValue);
 	projectNameField.addListener(SWT.Modify, nameModifyListener);
 }
 /**
  * Creates the project location specification controls.
  *
  * @param projectGroup the parent composite
  * @param boolean - the initial enabled state of the widgets created
  */
 private void createUserSpecifiedProjectLocationGroup(Composite projectGroup, boolean enabled) {

 	Font font = projectGroup.getFont();

 	// location label
 	locationLabel = new Label(projectGroup,SWT.NONE);
 	locationLabel.setText(WorkbenchMessages.getString("WizardNewProjectCreationPage.locationLabel")); //$NON-NLS-1$
 	locationLabel.setEnabled(enabled);
 	locationLabel.setFont(font);

 	// project location entry field
 	locationPathField = new Text(projectGroup, SWT.BORDER);
 	GridData data = new GridData(GridData.FILL_HORIZONTAL);
 	data.widthHint = SIZING_TEXT_FIELD_WIDTH;
 	locationPathField.setLayoutData(data);
 	locationPathField.setEnabled(enabled);
 	locationPathField.setFont(font);

 	// browse button
 	browseButton = new Button(projectGroup, SWT.PUSH);
 	browseButton.setText(WorkbenchMessages.getString("WizardNewProjectCreationPage.browseLabel")); //$NON-NLS-1$
 	browseButton.addSelectionListener(new SelectionAdapter() {
 		public void widgetSelected(SelectionEvent event) {
 			handleLocationBrowseButtonPressed();
 		}
 	});

 	browseButton.setEnabled(enabled);
 	browseButton.setFont(font);
 	setButtonLayoutData(browseButton);

 	// Set the initial value first before listener
 	// to avoid handling an event during the creation.
 	locationPathField.setText(initialLocationFieldValue.toOSString());
 	locationPathField.addListener(SWT.Modify, locationModifyListener);
 }
 /**
  * Returns the current project location path as entered by
  * the user, or its anticipated initial value.
  * Note that if the default has been returned the path
  * in a project description used to create a project
  * should not be set.
  *
  * @return the project location path or its anticipated initial value.
  */
 public IPath getLocationPath() {
 	if (useDefaults)
 		return initialLocationFieldValue;

 	return new Path(getProjectLocationFieldValue());
 }
 /**
  * Creates a project resource handle for the current project name field value.
  * <p>
  * This method does not create the project resource; this is the responsibility
  * of <code>IProject::create</code> invoked by the new project resource wizard.
  * </p>
  *
  * @return the new project resource handle
  */
 public IProject getProjectHandle() {
 	return ResourcesPlugin.getWorkspace().getRoot().getProject(getProjectName());
 }
 /**
  * Returns the current project name as entered by the user, or its anticipated
  * initial value.
  *
  * @return the project name, its anticipated initial value, or <code>null</code>
  *   if no project name is known
  */
 public String getProjectName() {
 	if (projectNameField == null)
 		return initialProjectFieldValue;

 	return getProjectNameFieldValue();
 }
 /**
  * Returns the value of the project name field
  * with leading and trailing spaces removed.
  *
  * @return the project name in the field
  */
 private String getProjectNameFieldValue() {
 	if (projectNameField == null)
 		return ""; //$NON-NLS-1$
 	else
 		return projectNameField.getText().trim();
 }
 /**
  * Returns the value of the project location field
  * with leading and trailing spaces removed.
  *
  * @return the project location directory in the field
  */
 private String getProjectLocationFieldValue() {
 	if (locationPathField == null)
 		return ""; //$NON-NLS-1$
 	else
 		return locationPathField.getText().trim();
 }
 /**
  *	Open an appropriate directory browser
  */
 private void handleLocationBrowseButtonPressed() {
 	DirectoryDialog dialog = new DirectoryDialog(locationPathField.getShell());
 	dialog.setMessage(WorkbenchMessages.getString("WizardNewProjectCreationPage.directoryLabel")); //$NON-NLS-1$

 	String dirName = getProjectLocationFieldValue();
 	if (!dirName.equals("")) { //$NON-NLS-1$
 		File path = new File(dirName);
 		if (path.exists())
 			dialog.setFilterPath(new Path(dirName).toOSString());
 	}

 	String selectedDirectory = dialog.open();
 	if (selectedDirectory != null) {
 		customLocationFieldValue = selectedDirectory;
 		locationPathField.setText(customLocationFieldValue);
 	}
 }
 /**
  * Sets the initial project name that this page will use when
  * created. The name is ignored if the createControl(Composite)
  * method has already been called. Leading and trailing spaces
  * in the name are ignored.
  *
  * @param name initial project name for this page
  */
 public void setInitialProjectName(String name) {
 	if (name == null)
 		initialProjectFieldValue = null;
 	else{
 		initialProjectFieldValue = name.trim();
 		initialLocationFieldValue = new Path(getDefaultLocationForName(initialProjectFieldValue));
 	}
 }
 /**
  * Set the location to the default location if we are set to useDefaults.
  */
 private void setLocationForSelection() {
 	if (useDefaults)
 		locationPathField.setText(getDefaultLocationForName(getProjectNameFieldValue()));
 }

 /**
  * Get the defualt location for the provided name.
  * @return String
  * @param String
  */

 private String getDefaultLocationForName(String nameValue) {
 	IPath defaultPath = Platform.getLocation().append(nameValue);
 	return defaultPath.toOSString();
 }
 /**
  * Returns whether this page's controls currently all contain valid
  * values.
  *
  * @return <code>true</code> if all controls are valid, and
  *   <code>false</code> if at least one is invalid
  */
 protected boolean validatePage() {
 	IWorkspace workspace = WorkbenchPlugin.getPluginWorkspace();

 	String projectFieldContents = getProjectNameFieldValue();
 	if (projectFieldContents.equals("")) { //$NON-NLS-1$
 		setErrorMessage(null);
 		setMessage(WorkbenchMessages.getString("WizardNewProjectCreationPage.projectNameEmpty")); //$NON-NLS-1$
 		return false;
 	}

 	IStatus nameStatus =
 		workspace.validateName(projectFieldContents, IResource.PROJECT);
 	if (!nameStatus.isOK()) {
 		setErrorMessage(nameStatus.getMessage());
 		return false;
 	}

 	String locationFieldContents = getProjectLocationFieldValue();

 	if (locationFieldContents.equals("")) { //$NON-NLS-1$
 		setErrorMessage(null);
 		setMessage(WorkbenchMessages.getString("WizardNewProjectCreationPage.projectLocationEmpty")); //$NON-NLS-1$
 		return false;
 	}

 	IPath path = new Path("");//$NON-NLS-1$
 	if (!path.isValidPath(locationFieldContents)) {
 		setErrorMessage(WorkbenchMessages.getString("WizardNewProjectCreationPage.locationError")); //$NON-NLS-1$
 		return false;
 	}
 	if (!useDefaults && Platform.getLocation().isPrefixOf(new Path(locationFieldContents))) {
 		setErrorMessage(WorkbenchMessages.getString("WizardNewProjectCreationPage.defaultLocationError")); //$NON-NLS-1$
 		return false;
 	}


 	if (getProjectHandle().exists()) {
 		setErrorMessage(WorkbenchMessages.getString("WizardNewProjectCreationPage.projectExistsMessage")); //$NON-NLS-1$
 		return false;
 	}

 	setErrorMessage(null);
 	setMessage(null);
 	return true;
 }

 /*
  * see @DialogPage.setVisible(boolean)
  */
 public void setVisible(boolean visible) {
 	super.setVisible(visible);
 	if(visible)
 		projectNameField.setFocus();
 }

 /**
  * Returns the useDefaults.
  * @return boolean
  */
 public boolean useDefaults() {
 	return useDefaults;
 }

 }
	package org.eclipse.ui.dialogs;

	/*
	* (c) Copyright IBM Corp. 2000, 2001.
	* All Rights Reserved.
	*/
	import java.io.File;

	import org.eclipse.core.resources.*;
	import org.eclipse.core.runtime.*;
	import org.eclipse.jface.wizard.WizardPage;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.*;
	import org.eclipse.swt.graphics.Font;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.ui.help.WorkbenchHelp;
	import org.eclipse.ui.internal.*;

	/**
	* Standard main page for a wizard that is creates a project resource.
	* <p>
	* This page may be used by clients as-is; it may be also be subclassed to suit.
	* </p>
	* <p>
	* Example useage:
	* <pre>
	* mainPage = new WizardNewProjectCreationPage("basicNewProjectPage");
	* mainPage.setTitle("Project");
	* mainPage.setDescription("Create a new project resource.");
	* </pre>
	* </p>
	*/
	public class WizardNewProjectCreationPage extends WizardPage {

	private boolean useDefaults = true;

	// initial value stores
	private String initialProjectFieldValue;
	private IPath initialLocationFieldValue;

	// the value the user has entered
	private String customLocationFieldValue;

	// widgets
	private Text projectNameField;
	private Text locationPathField;
	private Label locationLabel;
	private Button browseButton;

	private Listener nameModifyListener = new Listener() {
	public void handleEvent(Event e) {
	setLocationForSelection();
	setPageComplete(validatePage());
	}
	};

	private Listener locationModifyListener = new Listener() {
	public void handleEvent(Event e) {
	setPageComplete(validatePage());
	}
	};

	// constants
	private static final int SIZING_TEXT_FIELD_WIDTH = 250;
	private static final int SIZING_INDENTATION_WIDTH = 10;
	/**
	* Creates a new project creation wizard page.
	*
	* @param pageName the name of this page
	*/
	public WizardNewProjectCreationPage(String pageName) {
	super(pageName);
	setPageComplete(false);
	initialLocationFieldValue = Platform.getLocation();
	customLocationFieldValue = ""; //$NON-NLS-1$
	}
	/** (non-Javadoc)
	* Method declared on IDialogPage.
	*/
	public void createControl(Composite parent) {
	Composite composite = new Composite(parent, SWT.NULL);
	composite.setFont(parent.getFont());

	initializeDialogUnits(parent);

	WorkbenchHelp.setHelp(composite, IHelpContextIds.NEW_PROJECT_WIZARD_PAGE);

	composite.setLayout(new GridLayout());
	composite.setLayoutData(new GridData(GridData.FILL_BOTH));

	createProjectNameGroup(composite);
	createProjectLocationGroup(composite);
	setPageComplete(validatePage());
	// Show description on opening
	setErrorMessage(null);
	setMessage(null);
	setControl(composite);
	}
	/**
	* Creates the project location specification controls.
	*
	* @param parent the parent composite
	*/
	private final void createProjectLocationGroup(Composite parent) {


	Font font = parent.getFont();
	// project specification group
	Group projectGroup = new Group(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.numColumns = 3;
	projectGroup.setLayout(layout);
	projectGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	projectGroup.setFont(font);
	projectGroup.setText(WorkbenchMessages.getString("WizardNewProjectCreationPage.projectContentsGroupLabel")); //$NON-NLS-1$

	final Button useDefaultsButton = new Button(projectGroup, SWT.CHECK \| SWT.RIGHT);
	useDefaultsButton.setText(WorkbenchMessages.getString("WizardNewProjectCreationPage.useDefaultLabel")); //$NON-NLS-1$
	useDefaultsButton.setSelection(useDefaults);
	useDefaultsButton.setFont(font);

	GridData buttonData = new GridData();
	buttonData.horizontalSpan = 3;
	useDefaultsButton.setLayoutData(buttonData);

	createUserSpecifiedProjectLocationGroup(projectGroup, !useDefaults);

	SelectionListener listener = new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	useDefaults = useDefaultsButton.getSelection();
	browseButton.setEnabled(!useDefaults);
	locationPathField.setEnabled(!useDefaults);
	locationLabel.setEnabled(!useDefaults);
	if (useDefaults) {
	customLocationFieldValue = locationPathField.getText();
	setLocationForSelection();
	} else {
	locationPathField.setText(customLocationFieldValue);
	}
	}
	};
	useDefaultsButton.addSelectionListener(listener);
	}
	/**
	* Creates the project name specification controls.
	*
	* @param parent the parent composite
	*/
	private final void createProjectNameGroup(Composite parent) {
	// project specification group
	Composite projectGroup = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	projectGroup.setLayout(layout);
	projectGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	// new project label
	Label projectLabel = new Label(projectGroup, SWT.NONE);
	projectLabel.setText(WorkbenchMessages.getString("WizardNewProjectCreationPage.nameLabel")); //$NON-NLS-1$
	projectLabel.setFont(parent.getFont());

	// new project name entry field
	projectNameField = new Text(projectGroup, SWT.BORDER);
	GridData data = new GridData(GridData.FILL_HORIZONTAL);
	data.widthHint = SIZING_TEXT_FIELD_WIDTH;
	projectNameField.setLayoutData(data);
	projectNameField.setFont(parent.getFont());

	// Set the initial value first before listener
	// to avoid handling an event during the creation.
	if (initialProjectFieldValue != null)
	projectNameField.setText(initialProjectFieldValue);
	projectNameField.addListener(SWT.Modify, nameModifyListener);
	}
	/**
	* Creates the project location specification controls.
	*
	* @param projectGroup the parent composite
	* @param boolean - the initial enabled state of the widgets created
	*/
	private void createUserSpecifiedProjectLocationGroup(Composite projectGroup, boolean enabled) {

	Font font = projectGroup.getFont();

	// location label
	locationLabel = new Label(projectGroup,SWT.NONE);
	locationLabel.setText(WorkbenchMessages.getString("WizardNewProjectCreationPage.locationLabel")); //$NON-NLS-1$
	locationLabel.setEnabled(enabled);
	locationLabel.setFont(font);

	// project location entry field
	locationPathField = new Text(projectGroup, SWT.BORDER);
	GridData data = new GridData(GridData.FILL_HORIZONTAL);
	data.widthHint = SIZING_TEXT_FIELD_WIDTH;
	locationPathField.setLayoutData(data);
	locationPathField.setEnabled(enabled);
	locationPathField.setFont(font);

	// browse button
	browseButton = new Button(projectGroup, SWT.PUSH);
	browseButton.setText(WorkbenchMessages.getString("WizardNewProjectCreationPage.browseLabel")); //$NON-NLS-1$
	browseButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent event) {
	handleLocationBrowseButtonPressed();
	}
	});

	browseButton.setEnabled(enabled);
	browseButton.setFont(font);
	setButtonLayoutData(browseButton);

	// Set the initial value first before listener
	// to avoid handling an event during the creation.
	locationPathField.setText(initialLocationFieldValue.toOSString());
	locationPathField.addListener(SWT.Modify, locationModifyListener);
	}
	/**
	* Returns the current project location path as entered by
	* the user, or its anticipated initial value.
	* Note that if the default has been returned the path
	* in a project description used to create a project
	* should not be set.
	*
	* @return the project location path or its anticipated initial value.
	*/
	public IPath getLocationPath() {
	if (useDefaults)
	return initialLocationFieldValue;

	return new Path(getProjectLocationFieldValue());
	}
	/**
	* Creates a project resource handle for the current project name field value.
	* <p>
	* This method does not create the project resource; this is the responsibility
	* of <code>IProject::create</code> invoked by the new project resource wizard.
	* </p>
	*
	* @return the new project resource handle
	*/
	public IProject getProjectHandle() {
	return ResourcesPlugin.getWorkspace().getRoot().getProject(getProjectName());
	}
	/**
	* Returns the current project name as entered by the user, or its anticipated
	* initial value.
	*
	* @return the project name, its anticipated initial value, or <code>null</code>
	* if no project name is known
	*/
	public String getProjectName() {
	if (projectNameField == null)
	return initialProjectFieldValue;

	return getProjectNameFieldValue();
	}
	/**
	* Returns the value of the project name field
	* with leading and trailing spaces removed.
	*
	* @return the project name in the field
	*/
	private String getProjectNameFieldValue() {
	if (projectNameField == null)
	return ""; //$NON-NLS-1$
	else
	return projectNameField.getText().trim();
	}
	/**
	* Returns the value of the project location field
	* with leading and trailing spaces removed.
	*
	* @return the project location directory in the field
	*/
	private String getProjectLocationFieldValue() {
	if (locationPathField == null)
	return ""; //$NON-NLS-1$
	else
	return locationPathField.getText().trim();
	}
	/**
	* Open an appropriate directory browser
	*/
	private void handleLocationBrowseButtonPressed() {
	DirectoryDialog dialog = new DirectoryDialog(locationPathField.getShell());
	dialog.setMessage(WorkbenchMessages.getString("WizardNewProjectCreationPage.directoryLabel")); //$NON-NLS-1$

	String dirName = getProjectLocationFieldValue();
	if (!dirName.equals("")) { //$NON-NLS-1$
	File path = new File(dirName);
	if (path.exists())
	dialog.setFilterPath(new Path(dirName).toOSString());
	}

	String selectedDirectory = dialog.open();
	if (selectedDirectory != null) {
	customLocationFieldValue = selectedDirectory;
	locationPathField.setText(customLocationFieldValue);
	}
	}
	/**
	* Sets the initial project name that this page will use when
	* created. The name is ignored if the createControl(Composite)
	* method has already been called. Leading and trailing spaces
	* in the name are ignored.
	*
	* @param name initial project name for this page
	*/
	public void setInitialProjectName(String name) {
	if (name == null)
	initialProjectFieldValue = null;
	else{
	initialProjectFieldValue = name.trim();
	initialLocationFieldValue = new Path(getDefaultLocationForName(initialProjectFieldValue));
	}
	}
	/**
	* Set the location to the default location if we are set to useDefaults.
	*/
	private void setLocationForSelection() {
	if (useDefaults)
	locationPathField.setText(getDefaultLocationForName(getProjectNameFieldValue()));
	}

	/**
	* Get the defualt location for the provided name.
	* @return String
	* @param String
	*/

	private String getDefaultLocationForName(String nameValue) {
	IPath defaultPath = Platform.getLocation().append(nameValue);
	return defaultPath.toOSString();
	}
	/**
	* Returns whether this page's controls currently all contain valid
	* values.
	*
	* @return <code>true</code> if all controls are valid, and
	* <code>false</code> if at least one is invalid
	*/
	protected boolean validatePage() {
	IWorkspace workspace = WorkbenchPlugin.getPluginWorkspace();

	String projectFieldContents = getProjectNameFieldValue();
	if (projectFieldContents.equals("")) { //$NON-NLS-1$
	setErrorMessage(null);
	setMessage(WorkbenchMessages.getString("WizardNewProjectCreationPage.projectNameEmpty")); //$NON-NLS-1$
	return false;
	}

	IStatus nameStatus =
	workspace.validateName(projectFieldContents, IResource.PROJECT);
	if (!nameStatus.isOK()) {
	setErrorMessage(nameStatus.getMessage());
	return false;
	}

	String locationFieldContents = getProjectLocationFieldValue();

	if (locationFieldContents.equals("")) { //$NON-NLS-1$
	setErrorMessage(null);
	setMessage(WorkbenchMessages.getString("WizardNewProjectCreationPage.projectLocationEmpty")); //$NON-NLS-1$
	return false;
	}

	IPath path = new Path("");//$NON-NLS-1$
	if (!path.isValidPath(locationFieldContents)) {
	setErrorMessage(WorkbenchMessages.getString("WizardNewProjectCreationPage.locationError")); //$NON-NLS-1$
	return false;
	}
	if (!useDefaults && Platform.getLocation().isPrefixOf(new Path(locationFieldContents))) {
	setErrorMessage(WorkbenchMessages.getString("WizardNewProjectCreationPage.defaultLocationError")); //$NON-NLS-1$
	return false;
	}


	if (getProjectHandle().exists()) {
	setErrorMessage(WorkbenchMessages.getString("WizardNewProjectCreationPage.projectExistsMessage")); //$NON-NLS-1$
	return false;
	}

	setErrorMessage(null);
	setMessage(null);
	return true;
	}

	/*
	* see @DialogPage.setVisible(boolean)
	*/
	public void setVisible(boolean visible) {
	super.setVisible(visible);
	if(visible)
	projectNameField.setFocus();
	}

	/**
	* Returns the useDefaults.
	* @return boolean
	*/
	public boolean useDefaults() {
	return useDefaults;
	}

	}