bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/WizardProjectsImportPage.java - platform/eclipse.platform.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2004 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.ui.internal.wizards.datatransfer;

 import java.io.File;
 import java.lang.reflect.InvocationTargetException;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Iterator;

 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.IProjectDescription;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.resources.IResourceStatus;
 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.IProgressMonitor;
 import org.eclipse.core.runtime.OperationCanceledException;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.core.runtime.SubProgressMonitor;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.ErrorDialog;
 import org.eclipse.jface.dialogs.MessageDialog;
 import org.eclipse.jface.operation.IRunnableWithProgress;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.jface.viewers.CheckboxTreeViewer;
 import org.eclipse.jface.viewers.ITreeContentProvider;
 import org.eclipse.jface.viewers.LabelProvider;
 import org.eclipse.jface.viewers.Viewer;
 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.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 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.DirectoryDialog;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.actions.WorkspaceModifyOperation;
 import org.eclipse.ui.internal.ide.IDEWorkbenchPlugin;

 /**
  * The WizardProjectsImportPage is the page that allows the user to import
  * projects from a particular location.
  *
  */
 public class WizardProjectsImportPage extends WizardPage {

 	private class ProjectRecord {
 		File projectFile;

 		String projectName;

 		IProjectDescription description;

 		/**
 		 * Create a record for a project based on the info in the file.
 		 *
 		 * @param file
 		 */
 		ProjectRecord(File file) {
 			projectFile = file;
 			setProjectName();
 		}

 		/**
 		 * Set the name of the project based on the projectFile.
 		 */
 		private void setProjectName() {

 			IPath path = new Path(projectFile.getPath());

 			IProjectDescription newDescription = null;

 			try {
 				newDescription = IDEWorkbenchPlugin.getPluginWorkspace()
 						.loadProjectDescription(path);
 			} catch (CoreException exception) {
 				// no good couldn't get the name
 			}

 			if (newDescription == null) {
 				this.description = null;
 				projectName = ""; //$NON-NLS-1$
 			} else {
 				this.description = newDescription;
 				projectName = this.description.getName();
 			}
 		}

 		/**
 		 * Get the name of the project
 		 *
 		 * @return String
 		 */
 		public String getProjectName() {
 			return projectName;
 		}
 	}

 	private Text locationPathField;

 	private CheckboxTreeViewer projectsList;

 	private ProjectRecord[] selectedProjects = new ProjectRecord[0];

 	// Keep track of the directory that we browsed to last time
 	// the wizard was invoked.
 	private static String previouslyBrowsedDirectory = ""; //$NON-NLS-1$

 	/**
 	 * Creates a new project creation wizard page.
 	 *
 	 */
 	public WizardProjectsImportPage() {
 		this("wizardExternalProjectsPage"); //$NON-NLS-1$
 	}

 	/**
 	 * Create a new instance of the receiver.
 	 *
 	 * @param pageName
 	 */
 	public WizardProjectsImportPage(String pageName) {
 		super(pageName);
 		setPageComplete(false);
 		setTitle(DataTransferMessages
 				.getString("WizardProjectsImportPage.ImportProjectsTitle")); //$NON-NLS-1$
 		setDescription(DataTransferMessages
 				.getString("WizardProjectsImportPage.ImportProjectsDescription")); //$NON-NLS-1$
 	}

 	/**
 	 * Create a new instance of the receiver.
 	 *
 	 * @param pageName
 	 * @param title
 	 * @param titleImage
 	 */
 	public WizardProjectsImportPage(String pageName, String title,
 			ImageDescriptor titleImage) {
 		super(pageName, title, titleImage);
 	}

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

 		initializeDialogUnits(parent);

 		Composite workArea = new Composite(parent, SWT.NONE);
 		setControl(workArea);

 		workArea.setLayout(new GridLayout());
 		workArea.setLayoutData(new GridData(GridData.FILL_BOTH
 				| GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL));

 		createProjectsRoot(workArea);
 		createProjectsList(workArea);
 		Dialog.applyDialogFont(workArea);

 	}

 	/**
 	 * Create the checkbox list for the found projects.
 	 *
 	 * @param workArea
 	 */
 	private void createProjectsList(Composite workArea) {

 		Label title = new Label(workArea, SWT.NONE);
 		title.setText(DataTransferMessages
 				.getString("WizardProjectsImportPage.ProjectsListTitle")); //$NON-NLS-1$

 		Composite listComposite = new Composite(workArea, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 2;
 		layout.marginWidth = 0;
 		layout.makeColumnsEqualWidth = false;
 		listComposite.setLayout(layout);

 		listComposite.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL
 				| GridData.GRAB_VERTICAL | GridData.FILL_BOTH));

 		projectsList = new CheckboxTreeViewer(listComposite, SWT.BORDER);
 		GridData listData = new GridData(GridData.GRAB_HORIZONTAL
 				| GridData.GRAB_VERTICAL | GridData.FILL_BOTH);
 		projectsList.getControl().setLayoutData(listData);

 		projectsList.setContentProvider(new ITreeContentProvider() {

 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
 			 */
 			public Object[] getChildren(Object parentElement) {
 				return null;
 			}

 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
 			 */
 			public Object[] getElements(Object inputElement) {
 				return selectedProjects;
 			}

 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object)
 			 */
 			public boolean hasChildren(Object element) {
 				return false;
 			}

 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object)
 			 */
 			public Object getParent(Object element) {
 				return null;
 			}

 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.jface.viewers.IContentProvider#dispose()
 			 */
 			public void dispose() {

 			}

 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer,
 			 *      java.lang.Object, java.lang.Object)
 			 */
 			public void inputChanged(Viewer viewer, Object oldInput,
 					Object newInput) {
 			}

 		});

 		projectsList.setLabelProvider(new LabelProvider() {
 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.jface.viewers.LabelProvider#getText(java.lang.Object)
 			 */
 			public String getText(Object element) {
 				return ((ProjectRecord) element).getProjectName();
 			}
 		});

 		projectsList.setInput(this);
 		createSelectionButtons(listComposite);

 	}

 	/**
 	 * Create the selection buttons in the listComposite.
 	 *
 	 * @param listComposite
 	 */
 	private void createSelectionButtons(Composite listComposite) {
 		Composite buttonsComposite = new Composite(listComposite, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.marginWidth = 0;
 		layout.marginHeight = 0;
 		buttonsComposite.setLayout(layout);

 		buttonsComposite.setLayoutData(new GridData(
 				GridData.VERTICAL_ALIGN_BEGINNING));

 		Button selectAll = new Button(buttonsComposite, SWT.PUSH);
 		selectAll.setText(DataTransferMessages
 				.getString("DataTransfer.selectAll")); //$NON-NLS-1$
 		selectAll.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				projectsList.setCheckedElements(selectedProjects);
 			}
 		});

 		setButtonLayoutData(selectAll);

 		Button deselectAll = new Button(buttonsComposite, SWT.PUSH);
 		deselectAll.setText(DataTransferMessages
 				.getString("DataTransfer.deselectAll")); //$NON-NLS-1$
 		deselectAll.addSelectionListener(new SelectionAdapter() {
 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
 			 */
 			public void widgetSelected(SelectionEvent e) {

 				projectsList.setCheckedElements(new Object[0]);

 			}
 		});

 		setButtonLayoutData(deselectAll);

 	}

 	/**
 	 * Create the area where you select the root directory for the projects.
 	 *
 	 * @param workArea
 	 *            Composite
 	 */
 	private void createProjectsRoot(Composite workArea) {

 		// project specification group
 		Composite projectGroup = new Composite(workArea, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 3;
 		layout.makeColumnsEqualWidth = false;
 		layout.marginWidth = 0;
 		projectGroup.setLayout(layout);
 		projectGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		// new project label
 		Label projectContentsLabel = new Label(projectGroup, SWT.NONE);
 		projectContentsLabel.setText(DataTransferMessages
 				.getString("WizardProjectsImportPage.RootSelectTitle")); //$NON-NLS-1$

 		// project location entry field
 		this.locationPathField = new Text(projectGroup, SWT.BORDER);

 		this.locationPathField.setLayoutData(new GridData(
 				GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL));
 		// browse button
 		Button browseButton = new Button(projectGroup, SWT.PUSH);
 		browseButton.setText(DataTransferMessages
 				.getString("DataTransfer.browse")); //$NON-NLS-1$
 		setButtonLayoutData(browseButton);

 		browseButton.addSelectionListener(new SelectionAdapter() {
 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
 			 */
 			public void widgetSelected(SelectionEvent e) {
 				handleLocationBrowseButtonPressed();
 			}

 		});

 		locationPathField.addModifyListener(new ModifyListener() {
 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.swt.events.ModifyListener#modifyText(org.eclipse.swt.events.ModifyEvent)
 			 */
 			public void modifyText(ModifyEvent e) {
 				updateProjectsList(locationPathField.getText().trim());
 			}
 		});

 	}

 	/**
 	 * Update the list of projects based on path
 	 *
 	 * @param path
 	 */
 	protected void updateProjectsList(final String path) {

 		try {
 			getContainer().run(true, true, new IRunnableWithProgress() {

 				/* (non-Javadoc)
 				 * @see org.eclipse.jface.operation.IRunnableWithProgress#run(org.eclipse.core.runtime.IProgressMonitor)
 				 */
 				public void run(IProgressMonitor monitor) {

 					monitor
 							.beginTask(
 									DataTransferMessages
 											.getString("WizardProjectsImportPage.SearchingMessage"), 100); //$NON-NLS-1$
 					File directory = new File(path);
 					selectedProjects = new ProjectRecord[0];
 					monitor.worked(10);
 					if (directory.isDirectory()) {

 						Collection files = new ArrayList();
 						if (!collectProjectFiles(files, directory, monitor))
 							return;
 						Iterator filesIterator = files.iterator();
 						selectedProjects = new ProjectRecord[files.size()];
 						int index = 0;
 						monitor.worked(50);
 						monitor
 								.subTask(DataTransferMessages
 										.getString("WizardProjectsImportPage.ProcessingMessage")); //$NON-NLS-1$
 						while (filesIterator.hasNext()) {
 							File file = (File) filesIterator.next();
 							selectedProjects[index] = new ProjectRecord(file);
 							index++;
 						}
 					} else
 						monitor.worked(60);
 					monitor.done();
 				}

 			});
 		} catch (InvocationTargetException e) {
 			IDEWorkbenchPlugin.log(e.getMessage(), e);
 		} catch (InterruptedException e) {
 			// Nothing to do if the user interrupts.
 		}

 		projectsList.refresh(true);
 		projectsList.setCheckedElements(selectedProjects);
 		setPageComplete(selectedProjects.length > 0);
 	}

 	/**
 	 * Collect the list of .project files that are under directory into files.
 	 *
 	 * @param files
 	 * @param directory
 	 * @param monitor
 	 *            The monitor to report to
 	 * @return boolean <code>true</code> if the operation was completed.
 	 */
 	private boolean collectProjectFiles(Collection files, File directory,
 			IProgressMonitor monitor) {

 		if (monitor.isCanceled())
 			return false;
 		monitor
 				.subTask(DataTransferMessages
 						.format(
 								"WizardProjectsImportPage.CheckingMessage", new Object[] { directory //$NON-NLS-1$
 										.getPath() }));
 		File[] contents = directory.listFiles();
 		for (int i = 0; i < contents.length; i++) {
 			File file = contents[i];
 			if (file.isDirectory())
 				collectProjectFiles(files, file, monitor);
 			else {
 				if (file.getName().equals(
 						IProjectDescription.DESCRIPTION_FILE_NAME))
 					files.add(file);
 			}
 		}
 		return true;
 	}

 	/**
 	 * The browse button has been selected. Select the location.
 	 */
 	protected void handleLocationBrowseButtonPressed() {

 		DirectoryDialog dialog = new DirectoryDialog(locationPathField
 				.getShell());
 		dialog.setMessage(DataTransferMessages
 				.getString("WizardProjectsImportPage.SelectDialogTitle")); //$NON-NLS-1$

 		String dirName = locationPathField.getText().trim();
 		if (dirName.length() == 0)
 			dirName = previouslyBrowsedDirectory;

 		if (dirName.length() == 0)
 			dialog.setFilterPath(IDEWorkbenchPlugin.getPluginWorkspace()
 					.getRoot().getLocation().toOSString());
 		else {
 			File path = new File(dirName);
 			if (path.exists())
 				dialog.setFilterPath(new Path(dirName).toOSString());
 		}

 		String selectedDirectory = dialog.open();
 		if (selectedDirectory != null) {
 			previouslyBrowsedDirectory = selectedDirectory;
 			locationPathField.setText(previouslyBrowsedDirectory);
 		}

 	}

 	/**
 	 * Create the selected projects
 	 *
 	 * @return boolean <code>true</code> if all project creations were
 	 *         successful.
 	 */
 	public boolean createProjects() {
 		Object[] selected = projectsList.getCheckedElements();
 		for (int i = 0; i < selected.length; i++) {
 			ProjectRecord record = (ProjectRecord) selected[i];
 			if (!createExistingProject(record))
 				return false;
 		}
 		return true;
 	}

 	/**
 	 * Create the project described in record. If it is successful return true.
 	 *
 	 * @param record
 	 * @return boolean <code>true</code> of successult
 	 */
 	private boolean createExistingProject(final ProjectRecord record) {

 		String projectName = record.getProjectName();
 		final IWorkspace workspace = ResourcesPlugin.getWorkspace();
 		final IProject project = workspace.getRoot().getProject(projectName);
 		if (record.description == null) {
 			record.description = workspace.newProjectDescription(projectName);
 			IPath locationPath = new Path(record.projectFile.getAbsolutePath());
 			// If it is under the root use the default location
 			if (Platform.getLocation().isPrefixOf(locationPath))
 				record.description.setLocation(null);
 			else
 				record.description.setLocation(locationPath);
 		} else
 			record.description.setName(projectName);

 		// create the new project operation
 		WorkspaceModifyOperation op = new WorkspaceModifyOperation() {
 			protected void execute(IProgressMonitor monitor)
 					throws CoreException {
 				monitor.beginTask("", 2000); //$NON-NLS-1$
 				project.create(record.description, new SubProgressMonitor(
 						monitor, 1000));
 				if (monitor.isCanceled())
 					throw new OperationCanceledException();
 				project.open(IResource.BACKGROUND_REFRESH,
 						new SubProgressMonitor(monitor, 1000));

 			}
 		};

 		// run the new project creation operation
 		try {
 			getContainer().run(true, true, op);
 		} catch (InterruptedException e) {
 			return false;
 		} catch (InvocationTargetException e) {
 			// ie.- one of the steps resulted in a core exception
 			Throwable t = e.getTargetException();
 			if (t instanceof CoreException) {
 				if (((CoreException) t).getStatus().getCode() == IResourceStatus.CASE_VARIANT_EXISTS) {
 					MessageDialog.openError(getShell(), "", //$NON-NLS-1$
 							"" //$NON-NLS-1$
 					);
 				} else {
 					ErrorDialog.openError(getShell(), "", //$NON-NLS-1$
 							null, ((CoreException) t).getStatus());
 				}
 			}
 			return false;
 		}

 		return true;

 	}

 }
	/*******************************************************************************
	* Copyright (c) 2004 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.ui.internal.wizards.datatransfer;

	import java.io.File;
	import java.lang.reflect.InvocationTargetException;
	import java.util.ArrayList;
	import java.util.Collection;
	import java.util.Iterator;

	import org.eclipse.core.resources.IProject;
	import org.eclipse.core.resources.IProjectDescription;
	import org.eclipse.core.resources.IResource;
	import org.eclipse.core.resources.IResourceStatus;
	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.IProgressMonitor;
	import org.eclipse.core.runtime.OperationCanceledException;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.core.runtime.Platform;
	import org.eclipse.core.runtime.SubProgressMonitor;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.ErrorDialog;
	import org.eclipse.jface.dialogs.MessageDialog;
	import org.eclipse.jface.operation.IRunnableWithProgress;
	import org.eclipse.jface.resource.ImageDescriptor;
	import org.eclipse.jface.viewers.CheckboxTreeViewer;
	import org.eclipse.jface.viewers.ITreeContentProvider;
	import org.eclipse.jface.viewers.LabelProvider;
	import org.eclipse.jface.viewers.Viewer;
	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.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	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.DirectoryDialog;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.actions.WorkspaceModifyOperation;
	import org.eclipse.ui.internal.ide.IDEWorkbenchPlugin;

	/**
	* The WizardProjectsImportPage is the page that allows the user to import
	* projects from a particular location.
	*
	*/
	public class WizardProjectsImportPage extends WizardPage {

	private class ProjectRecord {
	File projectFile;

	String projectName;

	IProjectDescription description;

	/**
	* Create a record for a project based on the info in the file.
	*
	* @param file
	*/
	ProjectRecord(File file) {
	projectFile = file;
	setProjectName();
	}

	/**
	* Set the name of the project based on the projectFile.
	*/
	private void setProjectName() {

	IPath path = new Path(projectFile.getPath());

	IProjectDescription newDescription = null;

	try {
	newDescription = IDEWorkbenchPlugin.getPluginWorkspace()
	.loadProjectDescription(path);
	} catch (CoreException exception) {
	// no good couldn't get the name
	}

	if (newDescription == null) {
	this.description = null;
	projectName = ""; //$NON-NLS-1$
	} else {
	this.description = newDescription;
	projectName = this.description.getName();
	}
	}

	/**
	* Get the name of the project
	*
	* @return String
	*/
	public String getProjectName() {
	return projectName;
	}
	}

	private Text locationPathField;

	private CheckboxTreeViewer projectsList;

	private ProjectRecord[] selectedProjects = new ProjectRecord[0];

	// Keep track of the directory that we browsed to last time
	// the wizard was invoked.
	private static String previouslyBrowsedDirectory = ""; //$NON-NLS-1$

	/**
	* Creates a new project creation wizard page.
	*
	*/
	public WizardProjectsImportPage() {
	this("wizardExternalProjectsPage"); //$NON-NLS-1$
	}

	/**
	* Create a new instance of the receiver.
	*
	* @param pageName
	*/
	public WizardProjectsImportPage(String pageName) {
	super(pageName);
	setPageComplete(false);
	setTitle(DataTransferMessages
	.getString("WizardProjectsImportPage.ImportProjectsTitle")); //$NON-NLS-1$
	setDescription(DataTransferMessages
	.getString("WizardProjectsImportPage.ImportProjectsDescription")); //$NON-NLS-1$
	}

	/**
	* Create a new instance of the receiver.
	*
	* @param pageName
	* @param title
	* @param titleImage
	*/
	public WizardProjectsImportPage(String pageName, String title,
	ImageDescriptor titleImage) {
	super(pageName, title, titleImage);
	}

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

	initializeDialogUnits(parent);

	Composite workArea = new Composite(parent, SWT.NONE);
	setControl(workArea);

	workArea.setLayout(new GridLayout());
	workArea.setLayoutData(new GridData(GridData.FILL_BOTH
	\| GridData.GRAB_HORIZONTAL \| GridData.GRAB_VERTICAL));

	createProjectsRoot(workArea);
	createProjectsList(workArea);
	Dialog.applyDialogFont(workArea);

	}

	/**
	* Create the checkbox list for the found projects.
	*
	* @param workArea
	*/
	private void createProjectsList(Composite workArea) {

	Label title = new Label(workArea, SWT.NONE);
	title.setText(DataTransferMessages
	.getString("WizardProjectsImportPage.ProjectsListTitle")); //$NON-NLS-1$

	Composite listComposite = new Composite(workArea, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	layout.marginWidth = 0;
	layout.makeColumnsEqualWidth = false;
	listComposite.setLayout(layout);

	listComposite.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL
	\| GridData.GRAB_VERTICAL \| GridData.FILL_BOTH));

	projectsList = new CheckboxTreeViewer(listComposite, SWT.BORDER);
	GridData listData = new GridData(GridData.GRAB_HORIZONTAL
	\| GridData.GRAB_VERTICAL \| GridData.FILL_BOTH);
	projectsList.getControl().setLayoutData(listData);

	projectsList.setContentProvider(new ITreeContentProvider() {

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
	*/
	public Object[] getChildren(Object parentElement) {
	return null;
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
	*/
	public Object[] getElements(Object inputElement) {
	return selectedProjects;
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object)
	*/
	public boolean hasChildren(Object element) {
	return false;
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object)
	*/
	public Object getParent(Object element) {
	return null;
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.viewers.IContentProvider#dispose()
	*/
	public void dispose() {

	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer,
	* java.lang.Object, java.lang.Object)
	*/
	public void inputChanged(Viewer viewer, Object oldInput,
	Object newInput) {
	}

	});

	projectsList.setLabelProvider(new LabelProvider() {
	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.viewers.LabelProvider#getText(java.lang.Object)
	*/
	public String getText(Object element) {
	return ((ProjectRecord) element).getProjectName();
	}
	});

	projectsList.setInput(this);
	createSelectionButtons(listComposite);

	}

	/**
	* Create the selection buttons in the listComposite.
	*
	* @param listComposite
	*/
	private void createSelectionButtons(Composite listComposite) {
	Composite buttonsComposite = new Composite(listComposite, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.marginWidth = 0;
	layout.marginHeight = 0;
	buttonsComposite.setLayout(layout);

	buttonsComposite.setLayoutData(new GridData(
	GridData.VERTICAL_ALIGN_BEGINNING));

	Button selectAll = new Button(buttonsComposite, SWT.PUSH);
	selectAll.setText(DataTransferMessages
	.getString("DataTransfer.selectAll")); //$NON-NLS-1$
	selectAll.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	projectsList.setCheckedElements(selectedProjects);
	}
	});

	setButtonLayoutData(selectAll);

	Button deselectAll = new Button(buttonsComposite, SWT.PUSH);
	deselectAll.setText(DataTransferMessages
	.getString("DataTransfer.deselectAll")); //$NON-NLS-1$
	deselectAll.addSelectionListener(new SelectionAdapter() {
	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
	*/
	public void widgetSelected(SelectionEvent e) {

	projectsList.setCheckedElements(new Object[0]);

	}
	});

	setButtonLayoutData(deselectAll);

	}

	/**
	* Create the area where you select the root directory for the projects.
	*
	* @param workArea
	* Composite
	*/
	private void createProjectsRoot(Composite workArea) {

	// project specification group
	Composite projectGroup = new Composite(workArea, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.numColumns = 3;
	layout.makeColumnsEqualWidth = false;
	layout.marginWidth = 0;
	projectGroup.setLayout(layout);
	projectGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	// new project label
	Label projectContentsLabel = new Label(projectGroup, SWT.NONE);
	projectContentsLabel.setText(DataTransferMessages
	.getString("WizardProjectsImportPage.RootSelectTitle")); //$NON-NLS-1$

	// project location entry field
	this.locationPathField = new Text(projectGroup, SWT.BORDER);

	this.locationPathField.setLayoutData(new GridData(
	GridData.FILL_HORIZONTAL \| GridData.GRAB_HORIZONTAL));
	// browse button
	Button browseButton = new Button(projectGroup, SWT.PUSH);
	browseButton.setText(DataTransferMessages
	.getString("DataTransfer.browse")); //$NON-NLS-1$
	setButtonLayoutData(browseButton);

	browseButton.addSelectionListener(new SelectionAdapter() {
	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
	*/
	public void widgetSelected(SelectionEvent e) {
	handleLocationBrowseButtonPressed();
	}

	});

	locationPathField.addModifyListener(new ModifyListener() {
	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.swt.events.ModifyListener#modifyText(org.eclipse.swt.events.ModifyEvent)
	*/
	public void modifyText(ModifyEvent e) {
	updateProjectsList(locationPathField.getText().trim());
	}
	});

	}

	/**
	* Update the list of projects based on path
	*
	* @param path
	*/
	protected void updateProjectsList(final String path) {

	try {
	getContainer().run(true, true, new IRunnableWithProgress() {

	/* (non-Javadoc)
	* @see org.eclipse.jface.operation.IRunnableWithProgress#run(org.eclipse.core.runtime.IProgressMonitor)
	*/
	public void run(IProgressMonitor monitor) {

	monitor
	.beginTask(
	DataTransferMessages
	.getString("WizardProjectsImportPage.SearchingMessage"), 100); //$NON-NLS-1$
	File directory = new File(path);
	selectedProjects = new ProjectRecord[0];
	monitor.worked(10);
	if (directory.isDirectory()) {

	Collection files = new ArrayList();
	if (!collectProjectFiles(files, directory, monitor))
	return;
	Iterator filesIterator = files.iterator();
	selectedProjects = new ProjectRecord[files.size()];
	int index = 0;
	monitor.worked(50);
	monitor
	.subTask(DataTransferMessages
	.getString("WizardProjectsImportPage.ProcessingMessage")); //$NON-NLS-1$
	while (filesIterator.hasNext()) {
	File file = (File) filesIterator.next();
	selectedProjects[index] = new ProjectRecord(file);
	index++;
	}
	} else
	monitor.worked(60);
	monitor.done();
	}

	});
	} catch (InvocationTargetException e) {
	IDEWorkbenchPlugin.log(e.getMessage(), e);
	} catch (InterruptedException e) {
	// Nothing to do if the user interrupts.
	}

	projectsList.refresh(true);
	projectsList.setCheckedElements(selectedProjects);
	setPageComplete(selectedProjects.length > 0);
	}

	/**
	* Collect the list of .project files that are under directory into files.
	*
	* @param files
	* @param directory
	* @param monitor
	* The monitor to report to
	* @return boolean <code>true</code> if the operation was completed.
	*/
	private boolean collectProjectFiles(Collection files, File directory,
	IProgressMonitor monitor) {

	if (monitor.isCanceled())
	return false;
	monitor
	.subTask(DataTransferMessages
	.format(
	"WizardProjectsImportPage.CheckingMessage", new Object[] { directory //$NON-NLS-1$
	.getPath() }));
	File[] contents = directory.listFiles();
	for (int i = 0; i < contents.length; i++) {
	File file = contents[i];
	if (file.isDirectory())
	collectProjectFiles(files, file, monitor);
	else {
	if (file.getName().equals(
	IProjectDescription.DESCRIPTION_FILE_NAME))
	files.add(file);
	}
	}
	return true;
	}

	/**
	* The browse button has been selected. Select the location.
	*/
	protected void handleLocationBrowseButtonPressed() {

	DirectoryDialog dialog = new DirectoryDialog(locationPathField
	.getShell());
	dialog.setMessage(DataTransferMessages
	.getString("WizardProjectsImportPage.SelectDialogTitle")); //$NON-NLS-1$

	String dirName = locationPathField.getText().trim();
	if (dirName.length() == 0)
	dirName = previouslyBrowsedDirectory;

	if (dirName.length() == 0)
	dialog.setFilterPath(IDEWorkbenchPlugin.getPluginWorkspace()
	.getRoot().getLocation().toOSString());
	else {
	File path = new File(dirName);
	if (path.exists())
	dialog.setFilterPath(new Path(dirName).toOSString());
	}

	String selectedDirectory = dialog.open();
	if (selectedDirectory != null) {
	previouslyBrowsedDirectory = selectedDirectory;
	locationPathField.setText(previouslyBrowsedDirectory);
	}

	}

	/**
	* Create the selected projects
	*
	* @return boolean <code>true</code> if all project creations were
	* successful.
	*/
	public boolean createProjects() {
	Object[] selected = projectsList.getCheckedElements();
	for (int i = 0; i < selected.length; i++) {
	ProjectRecord record = (ProjectRecord) selected[i];
	if (!createExistingProject(record))
	return false;
	}
	return true;
	}

	/**
	* Create the project described in record. If it is successful return true.
	*
	* @param record
	* @return boolean <code>true</code> of successult
	*/
	private boolean createExistingProject(final ProjectRecord record) {

	String projectName = record.getProjectName();
	final IWorkspace workspace = ResourcesPlugin.getWorkspace();
	final IProject project = workspace.getRoot().getProject(projectName);
	if (record.description == null) {
	record.description = workspace.newProjectDescription(projectName);
	IPath locationPath = new Path(record.projectFile.getAbsolutePath());
	// If it is under the root use the default location
	if (Platform.getLocation().isPrefixOf(locationPath))
	record.description.setLocation(null);
	else
	record.description.setLocation(locationPath);
	} else
	record.description.setName(projectName);

	// create the new project operation
	WorkspaceModifyOperation op = new WorkspaceModifyOperation() {
	protected void execute(IProgressMonitor monitor)
	throws CoreException {
	monitor.beginTask("", 2000); //$NON-NLS-1$
	project.create(record.description, new SubProgressMonitor(
	monitor, 1000));
	if (monitor.isCanceled())
	throw new OperationCanceledException();
	project.open(IResource.BACKGROUND_REFRESH,
	new SubProgressMonitor(monitor, 1000));

	}
	};

	// run the new project creation operation
	try {
	getContainer().run(true, true, op);
	} catch (InterruptedException e) {
	return false;
	} catch (InvocationTargetException e) {
	// ie.- one of the steps resulted in a core exception
	Throwable t = e.getTargetException();
	if (t instanceof CoreException) {
	if (((CoreException) t).getStatus().getCode() == IResourceStatus.CASE_VARIANT_EXISTS) {
	MessageDialog.openError(getShell(), "", //$NON-NLS-1$
	"" //$NON-NLS-1$
	);
	} else {
	ErrorDialog.openError(getShell(), "", //$NON-NLS-1$
	null, ((CoreException) t).getStatus());
	}
	}
	return false;
	}

	return true;

	}

	}