bundles/org.eclipse.team.cvs.ui/src/org/eclipse/team/internal/ccvs/ui/TagetLocationSelectionDialog.java - platform/eclipse.platform.team - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2003 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Common Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/cpl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.team.internal.ccvs.ui;

 import java.io.File;

 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.resources.IWorkspace;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.resource.JFaceColors;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.DirectoryDialog;
 import org.eclipse.swt.widgets.Event;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Listener;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.dialogs.SelectionDialog;

 /**
  * Select the target location that will be the parent of the selected projects.
  * The behavior of the dialog differs between 1 project and multiple projects.
  * For one project, the location specified is the location of the project and
  * the project name can be modified. For multiple projects, it is the parent
  * location which is specified.
  */
 public class TagetLocationSelectionDialog extends SelectionDialog {

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

 	// state
 	private boolean useDefaults = true;
 	private IProject[] targetProjects;
 	private String newProjectName;
 	private String targetLocation;

 	// constants
 	private static final int SIZING_TEXT_FIELD_WIDTH = 250;

 	/**
 	 * Constructor.
 	 * @param parentShell
 	 */
 	public TagetLocationSelectionDialog(Shell parentShell, String title, IProject targetProject) {
 		this(parentShell, title, new IProject[] { targetProject });
 	}

 	/**
 	 * Constructor.
 	 * @param parentShell
 	 */
 	public TagetLocationSelectionDialog(Shell parentShell, String title, IProject[] targetProjects) {
 		super(parentShell);
 		setTitle(title);
 		this.targetProjects = targetProjects;
 		if (targetProjects.length == 1) newProjectName = targetProjects[0].getName();
 	}

 	/* (non-Javadoc)
 	 * Method declared on Dialog.
 	 */
 	protected Control createDialogArea(Composite parent) {
 		// page group
 		Composite composite = (Composite) super.createDialogArea(parent);
 		composite.setLayout(new GridLayout());
 		composite.setLayoutData(new GridData(GridData.FILL_BOTH));

 		if (isSingleCheckout())
 			createProjectNameGroup(composite);
 		createProjectLocationGroup(composite);

 		//Add in a label for status messages if required
 		statusMessageLabel = new Label(composite, SWT.NONE);
 		statusMessageLabel.setLayoutData(new GridData(GridData.FILL_BOTH));

 		Dialog.applyDialogFont(parent);
 		return composite;
 	}

 	/**
 	 * Creates the project name specification controls.
 	 *
 	 * @param parent the parent composite
 	 */
 	private 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(Policy.bind("TargetLocationSelectionDialog.projectNameLabel")); //$NON-NLS-1$

 		// 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);

 		// Set the initial value first before listener
 		// to avoid handling an event during the creation.
 		projectNameField.setText(getNewProjectName());
 		projectNameField.selectAll();

 		createNameListener();

 	}

 	/**
 	 * Create the listener that is used to validate the entries for the receiver
 	 */
 	private void createNameListener() {

 		Listener listener = new Listener() {
 			public void handleEvent(Event event) {
 				newProjectName = projectNameField.getText();
 				setLocationForSelection(false);
 				applyValidationResult(checkValid());
 			}
 		};

 		this.projectNameField.addListener(SWT.Modify, listener);
 	}

 	/**
 	 * Set the location to the default location if we are set to useDefaults.
 	 */
 	private void setLocationForSelection(boolean changed) {
 		if (useDefaults) {
 			IPath defaultPath = null;
 			if (isSingleCheckout()) {
 				try {
 					defaultPath = getSingleProject().getDescription().getLocation();
 				} catch (CoreException e) {
 					// ignore
 				}
 				if (defaultPath == null) {
 					defaultPath = Platform.getLocation().append(getSingleProject().getName());
 				}
 			} else {
 				defaultPath = Platform.getLocation();
 			}
 			locationPathField.setText(defaultPath.toOSString());
 			targetLocation = null;
 		} else if (changed) {
 			IPath location = null;
 			try {
 				location = this.targetProjects[0].getDescription().getLocation();
 			} catch (CoreException e) {
 				// ignore the exception
 			}
 			if (location == null) {
 				targetLocation = null;
 				locationPathField.setText(""); //$NON-NLS-1$
 			} else {
 				if (isSingleCheckout()) {
 					targetLocation = location.toOSString();
 				} else {
 					targetLocation = location.removeLastSegments(1).toOSString();
 				}
 				locationPathField.setText(targetLocation);
 			}
 		}
 	}

 	/**
 	 * Creates the project location specification controls.
 	 *
 	 * @param parent the parent composite
 	 */
 	private final void createProjectLocationGroup(Composite parent) {

 		// project specification group
 		Composite projectGroup = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 3;
 		projectGroup.setLayout(layout);
 		projectGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		final Button useDefaultsButton =
 			new Button(projectGroup, SWT.CHECK | SWT.RIGHT);
 		useDefaultsButton.setText(Policy.bind("TargetLocationSelectionDialog.useDefaultLabel")); //$NON-NLS-1$
 		useDefaultsButton.setSelection(this.useDefaults);
 		GridData buttonData = new GridData();
 		buttonData.horizontalSpan = 3;
 		useDefaultsButton.setLayoutData(buttonData);

 		createUserSpecifiedProjectLocationGroup(projectGroup, !this.useDefaults);

 		SelectionListener listener = new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				useDefaults = useDefaultsButton.getSelection();
 				browseButton.setEnabled(!useDefaults);
 				locationPathField.setEnabled(!useDefaults);
 				locationLabel.setEnabled(!useDefaults);
 				setLocationForSelection(true);
 			}
 		};
 		useDefaultsButton.addSelectionListener(listener);
 	}

 	/**
 	 * Creates the project location specification controls.
 	 *
 	 * @return the parent of the widgets created
 	 * @param projectGroup the parent composite
 	 * @param enabled - sets the initial enabled state of the widgets
 	 */
 	private Composite createUserSpecifiedProjectLocationGroup(Composite projectGroup, boolean enabled) {

 		// location label
 		locationLabel = new Label(projectGroup, SWT.NONE);
 		if (isSingleCheckout()) {
 			locationLabel.setText(Policy.bind("TargetLocationSelectionDialog.locationLabel")); //$NON-NLS-1$
 		} else {
 			locationLabel.setText(Policy.bind("TargetLocationSelectionDialog.parentDirectoryLabel")); //$NON-NLS-1$
 		}
 		locationLabel.setEnabled(enabled);

 		// 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);

 		// browse button
 		this.browseButton = new Button(projectGroup, SWT.PUSH);
 		this.browseButton.setText(Policy.bind("TargetLocationSelectionDialog.browseLabel")); //$NON-NLS-1$
 		this.browseButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent event) {
 				handleLocationBrowseButtonPressed();
 			}
 		});
 		this.browseButton.setEnabled(enabled);
 		setButtonLayoutData(this.browseButton);

 		// Set the initial value first before listener
 		// to avoid handling an event during the creation.
 		setLocationForSelection(true);
 		createLocationListener();
 		return projectGroup;

 	}

 	/**
 	 *	Open an appropriate directory browser
 	 */
 	private void handleLocationBrowseButtonPressed() {
 		DirectoryDialog dialog = new DirectoryDialog(locationPathField.getShell());
 		if (isSingleCheckout()) {
 			dialog.setMessage(Policy.bind("TargetLocationSelectionDialog.messageForSingle", newProjectName)); //$NON-NLS-1$
 		} else {
 			dialog.setMessage(Policy.bind("TargetLocationSelectionDialog.messageForMulti", new Integer(targetProjects.length).toString())); //$NON-NLS-1$
 		}

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

 		String selectedDirectory = dialog.open();
 		if (selectedDirectory != null) {
 			if (targetProjects.length == 1) {
 				locationPathField.setText(new Path(selectedDirectory).append(newProjectName).toOSString());
 			} else {
 				locationPathField.setText(new Path(selectedDirectory).toOSString());
 			}
 		}
 		targetLocation = locationPathField.getText();
 	}

 	/**
 	 * Method isSingleCheckout.
 	 * @return boolean
 	 */
 	private boolean isSingleCheckout() {
 		return targetProjects.length == 1;
 	}

 	private IProject getSingleProject() {
 		if (newProjectName == null || newProjectName.length() == 0 || targetProjects[0].getName().equals(newProjectName))
 			return targetProjects[0];
 		else
 			return ResourcesPlugin.getWorkspace().getRoot().getProject(newProjectName);
 	}

 	/**
 	 * Create the listener that is used to validate the location entered by the iser
 	 */
 	private void createLocationListener() {

 		Listener listener = new Listener() {
 			public void handleEvent(Event event) {
 				applyValidationResult(checkValid());
 			}
 		};

 		this.locationPathField.addListener(SWT.Modify, listener);
 	}

 	/**
 	 * Check the message. If it is null then continue otherwise inform the user via the
 	 * status value and disable the OK.
 	 * @param message - the error message to show if it is not null.
 	 */
 	private void applyValidationResult(String errorMsg) {

 		if (errorMsg == null) {
 			statusMessageLabel.setText("");//$NON-NLS-1$
 			getOkButton().setEnabled(true);
 		} else {
 			statusMessageLabel.setForeground(
 				JFaceColors.getErrorText(
 					statusMessageLabel.getDisplay()));
 			statusMessageLabel.setText(errorMsg);
 			getOkButton().setEnabled(false);
 		}
 	}
 	/**
 	 * Check whether the entries are valid. If so return null. Otherwise
 	 * return a string that indicates the problem.
 	 */
 	private String checkValid() {
 		if (isSingleCheckout()) {
 			String valid = checkValidName();
 			if (valid != null)
 				return valid;
 		}
 		return checkValidLocation();
 	}
 	/**
 	 * Check if the entry in the widget location is valid. If it is valid return null. Otherwise
 	 * return a string that indicates the problem.
 	 */
 	private String checkValidLocation() {

 		if (useDefaults) {
 			targetLocation = null;
 			return null;
 		} else {
 			targetLocation = locationPathField.getText();
 			if (targetLocation.equals("")) {//$NON-NLS-1$
 				return(Policy.bind("TagetLocationSelectionDialog.locationEmpty")); //$NON-NLS-1$
 			}
 			else{
 				IPath path = new Path("");//$NON-NLS-1$
 				if (!path.isValidPath(targetLocation)) {
 					return Policy.bind("TagetLocationSelectionDialog.invalidLocation"); //$NON-NLS-1$
 				}
 			}

 			if (isSingleCheckout()) {
 				IStatus locationStatus =
 					ResourcesPlugin.getWorkspace().validateProjectLocation(
 						getSingleProject(),
 						new Path(targetLocation));

 				if (!locationStatus.isOK())
 					return locationStatus.getMessage();
 			} else {
 				for (int i = 0; i < targetProjects.length; i++) {
 					ResourcesPlugin.getWorkspace().validateProjectLocation(
 						targetProjects[i],
 						new Path(targetLocation).append(targetProjects[i].getName()));
 				}
 			}

 			return null;
 		}
 	}
 	/**
 	 * Check if the entries in the widget are valid. If they are return null otherwise
 	 * return a string that indicates the problem.
 	 */
 	private String checkValidName() {

 		newProjectName = this.projectNameField.getText();
 		IWorkspace workspace = ResourcesPlugin.getWorkspace();
 		IStatus nameStatus = workspace.validateName(newProjectName, IResource.PROJECT);
 		if (!nameStatus.isOK())
 			return nameStatus.getMessage();
 //		IProject newProject = workspace.getRoot().getProject(newProjectName);
 //		if (newProject.exists()) {
 //			return Policy.bind("TagetLocationSelectionDialog.alreadyExists", newProjectName); //$NON-NLS-1$
 //		}

 		return null;
 	}

 	/**
 	 * @return String
 	 */
 	public String getNewProjectName() {
 		return newProjectName;
 	}

 	/**
 	 * @return String
 	 */
 	public String getTargetLocation() {
 		return targetLocation;
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2000, 2003 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Common Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/cpl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.team.internal.ccvs.ui;

	import java.io.File;

	import org.eclipse.core.resources.IProject;
	import org.eclipse.core.resources.IResource;
	import org.eclipse.core.resources.IWorkspace;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.core.runtime.Platform;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.resource.JFaceColors;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.events.SelectionListener;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.DirectoryDialog;
	import org.eclipse.swt.widgets.Event;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Listener;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.dialogs.SelectionDialog;

	/**
	* Select the target location that will be the parent of the selected projects.
	* The behavior of the dialog differs between 1 project and multiple projects.
	* For one project, the location specified is the location of the project and
	* the project name can be modified. For multiple projects, it is the parent
	* location which is specified.
	*/
	public class TagetLocationSelectionDialog extends SelectionDialog {

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

	// state
	private boolean useDefaults = true;
	private IProject[] targetProjects;
	private String newProjectName;
	private String targetLocation;

	// constants
	private static final int SIZING_TEXT_FIELD_WIDTH = 250;

	/**
	* Constructor.
	* @param parentShell
	*/
	public TagetLocationSelectionDialog(Shell parentShell, String title, IProject targetProject) {
	this(parentShell, title, new IProject[] { targetProject });
	}

	/**
	* Constructor.
	* @param parentShell
	*/
	public TagetLocationSelectionDialog(Shell parentShell, String title, IProject[] targetProjects) {
	super(parentShell);
	setTitle(title);
	this.targetProjects = targetProjects;
	if (targetProjects.length == 1) newProjectName = targetProjects[0].getName();
	}

	/* (non-Javadoc)
	* Method declared on Dialog.
	*/
	protected Control createDialogArea(Composite parent) {
	// page group
	Composite composite = (Composite) super.createDialogArea(parent);
	composite.setLayout(new GridLayout());
	composite.setLayoutData(new GridData(GridData.FILL_BOTH));

	if (isSingleCheckout())
	createProjectNameGroup(composite);
	createProjectLocationGroup(composite);

	//Add in a label for status messages if required
	statusMessageLabel = new Label(composite, SWT.NONE);
	statusMessageLabel.setLayoutData(new GridData(GridData.FILL_BOTH));

	Dialog.applyDialogFont(parent);
	return composite;
	}

	/**
	* Creates the project name specification controls.
	*
	* @param parent the parent composite
	*/
	private 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(Policy.bind("TargetLocationSelectionDialog.projectNameLabel")); //$NON-NLS-1$

	// 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);

	// Set the initial value first before listener
	// to avoid handling an event during the creation.
	projectNameField.setText(getNewProjectName());
	projectNameField.selectAll();

	createNameListener();

	}

	/**
	* Create the listener that is used to validate the entries for the receiver
	*/
	private void createNameListener() {

	Listener listener = new Listener() {
	public void handleEvent(Event event) {
	newProjectName = projectNameField.getText();
	setLocationForSelection(false);
	applyValidationResult(checkValid());
	}
	};

	this.projectNameField.addListener(SWT.Modify, listener);
	}

	/**
	* Set the location to the default location if we are set to useDefaults.
	*/
	private void setLocationForSelection(boolean changed) {
	if (useDefaults) {
	IPath defaultPath = null;
	if (isSingleCheckout()) {
	try {
	defaultPath = getSingleProject().getDescription().getLocation();
	} catch (CoreException e) {
	// ignore
	}
	if (defaultPath == null) {
	defaultPath = Platform.getLocation().append(getSingleProject().getName());
	}
	} else {
	defaultPath = Platform.getLocation();
	}
	locationPathField.setText(defaultPath.toOSString());
	targetLocation = null;
	} else if (changed) {
	IPath location = null;
	try {
	location = this.targetProjects[0].getDescription().getLocation();
	} catch (CoreException e) {
	// ignore the exception
	}
	if (location == null) {
	targetLocation = null;
	locationPathField.setText(""); //$NON-NLS-1$
	} else {
	if (isSingleCheckout()) {
	targetLocation = location.toOSString();
	} else {
	targetLocation = location.removeLastSegments(1).toOSString();
	}
	locationPathField.setText(targetLocation);
	}
	}
	}

	/**
	* Creates the project location specification controls.
	*
	* @param parent the parent composite
	*/
	private final void createProjectLocationGroup(Composite parent) {

	// project specification group
	Composite projectGroup = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.numColumns = 3;
	projectGroup.setLayout(layout);
	projectGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	final Button useDefaultsButton =
	new Button(projectGroup, SWT.CHECK \| SWT.RIGHT);
	useDefaultsButton.setText(Policy.bind("TargetLocationSelectionDialog.useDefaultLabel")); //$NON-NLS-1$
	useDefaultsButton.setSelection(this.useDefaults);
	GridData buttonData = new GridData();
	buttonData.horizontalSpan = 3;
	useDefaultsButton.setLayoutData(buttonData);

	createUserSpecifiedProjectLocationGroup(projectGroup, !this.useDefaults);

	SelectionListener listener = new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	useDefaults = useDefaultsButton.getSelection();
	browseButton.setEnabled(!useDefaults);
	locationPathField.setEnabled(!useDefaults);
	locationLabel.setEnabled(!useDefaults);
	setLocationForSelection(true);
	}
	};
	useDefaultsButton.addSelectionListener(listener);
	}

	/**
	* Creates the project location specification controls.
	*
	* @return the parent of the widgets created
	* @param projectGroup the parent composite
	* @param enabled - sets the initial enabled state of the widgets
	*/
	private Composite createUserSpecifiedProjectLocationGroup(Composite projectGroup, boolean enabled) {

	// location label
	locationLabel = new Label(projectGroup, SWT.NONE);
	if (isSingleCheckout()) {
	locationLabel.setText(Policy.bind("TargetLocationSelectionDialog.locationLabel")); //$NON-NLS-1$
	} else {
	locationLabel.setText(Policy.bind("TargetLocationSelectionDialog.parentDirectoryLabel")); //$NON-NLS-1$
	}
	locationLabel.setEnabled(enabled);

	// 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);

	// browse button
	this.browseButton = new Button(projectGroup, SWT.PUSH);
	this.browseButton.setText(Policy.bind("TargetLocationSelectionDialog.browseLabel")); //$NON-NLS-1$
	this.browseButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent event) {
	handleLocationBrowseButtonPressed();
	}
	});
	this.browseButton.setEnabled(enabled);
	setButtonLayoutData(this.browseButton);

	// Set the initial value first before listener
	// to avoid handling an event during the creation.
	setLocationForSelection(true);
	createLocationListener();
	return projectGroup;

	}

	/**
	* Open an appropriate directory browser
	*/
	private void handleLocationBrowseButtonPressed() {
	DirectoryDialog dialog = new DirectoryDialog(locationPathField.getShell());
	if (isSingleCheckout()) {
	dialog.setMessage(Policy.bind("TargetLocationSelectionDialog.messageForSingle", newProjectName)); //$NON-NLS-1$
	} else {
	dialog.setMessage(Policy.bind("TargetLocationSelectionDialog.messageForMulti", new Integer(targetProjects.length).toString())); //$NON-NLS-1$
	}

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

	String selectedDirectory = dialog.open();
	if (selectedDirectory != null) {
	if (targetProjects.length == 1) {
	locationPathField.setText(new Path(selectedDirectory).append(newProjectName).toOSString());
	} else {
	locationPathField.setText(new Path(selectedDirectory).toOSString());
	}
	}
	targetLocation = locationPathField.getText();
	}

	/**
	* Method isSingleCheckout.
	* @return boolean
	*/
	private boolean isSingleCheckout() {
	return targetProjects.length == 1;
	}

	private IProject getSingleProject() {
	if (newProjectName == null \|\| newProjectName.length() == 0 \|\| targetProjects[0].getName().equals(newProjectName))
	return targetProjects[0];
	else
	return ResourcesPlugin.getWorkspace().getRoot().getProject(newProjectName);
	}

	/**
	* Create the listener that is used to validate the location entered by the iser
	*/
	private void createLocationListener() {

	Listener listener = new Listener() {
	public void handleEvent(Event event) {
	applyValidationResult(checkValid());
	}
	};

	this.locationPathField.addListener(SWT.Modify, listener);
	}

	/**
	* Check the message. If it is null then continue otherwise inform the user via the
	* status value and disable the OK.
	* @param message - the error message to show if it is not null.
	*/
	private void applyValidationResult(String errorMsg) {

	if (errorMsg == null) {
	statusMessageLabel.setText("");//$NON-NLS-1$
	getOkButton().setEnabled(true);
	} else {
	statusMessageLabel.setForeground(
	JFaceColors.getErrorText(
	statusMessageLabel.getDisplay()));
	statusMessageLabel.setText(errorMsg);
	getOkButton().setEnabled(false);
	}
	}
	/**
	* Check whether the entries are valid. If so return null. Otherwise
	* return a string that indicates the problem.
	*/
	private String checkValid() {
	if (isSingleCheckout()) {
	String valid = checkValidName();
	if (valid != null)
	return valid;
	}
	return checkValidLocation();
	}
	/**
	* Check if the entry in the widget location is valid. If it is valid return null. Otherwise
	* return a string that indicates the problem.
	*/
	private String checkValidLocation() {

	if (useDefaults) {
	targetLocation = null;
	return null;
	} else {
	targetLocation = locationPathField.getText();
	if (targetLocation.equals("")) {//$NON-NLS-1$
	return(Policy.bind("TagetLocationSelectionDialog.locationEmpty")); //$NON-NLS-1$
	}
	else{
	IPath path = new Path("");//$NON-NLS-1$
	if (!path.isValidPath(targetLocation)) {
	return Policy.bind("TagetLocationSelectionDialog.invalidLocation"); //$NON-NLS-1$
	}
	}

	if (isSingleCheckout()) {
	IStatus locationStatus =
	ResourcesPlugin.getWorkspace().validateProjectLocation(
	getSingleProject(),
	new Path(targetLocation));

	if (!locationStatus.isOK())
	return locationStatus.getMessage();
	} else {
	for (int i = 0; i < targetProjects.length; i++) {
	ResourcesPlugin.getWorkspace().validateProjectLocation(
	targetProjects[i],
	new Path(targetLocation).append(targetProjects[i].getName()));
	}
	}

	return null;
	}
	}
	/**
	* Check if the entries in the widget are valid. If they are return null otherwise
	* return a string that indicates the problem.
	*/
	private String checkValidName() {

	newProjectName = this.projectNameField.getText();
	IWorkspace workspace = ResourcesPlugin.getWorkspace();
	IStatus nameStatus = workspace.validateName(newProjectName, IResource.PROJECT);
	if (!nameStatus.isOK())
	return nameStatus.getMessage();
	// IProject newProject = workspace.getRoot().getProject(newProjectName);
	// if (newProject.exists()) {
	// return Policy.bind("TagetLocationSelectionDialog.alreadyExists", newProjectName); //$NON-NLS-1$
	// }

	return null;
	}

	/**
	* @return String
	*/
	public String getNewProjectName() {
	return newProjectName;
	}

	/**
	* @return String
	*/
	public String getTargetLocation() {
	return targetLocation;
	}

	}