bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/ChooseWorkspaceWithSettingsDialog.java - platform/eclipse.platform.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2006, 2007 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
  *******************************************************************************/

 package org.eclipse.ui.internal.ide;

 import java.util.Collection;
 import java.util.HashSet;
 import java.util.Iterator;

 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IConfigurationElement;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.ISafeRunnable;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.MultiStatus;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.core.runtime.SafeRunner;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.jface.dialogs.ErrorDialog;
 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.jface.dialogs.IDialogSettings;
 import org.eclipse.osgi.util.NLS;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.DisposeEvent;
 import org.eclipse.swt.events.DisposeListener;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.Rectangle;
 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.Shell;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.forms.events.ExpansionEvent;
 import org.eclipse.ui.forms.events.IExpansionListener;
 import org.eclipse.ui.forms.widgets.ExpandableComposite;
 import org.eclipse.ui.forms.widgets.FormToolkit;
 import org.eclipse.ui.forms.widgets.ScrolledForm;
 import org.eclipse.ui.internal.WorkbenchPlugin;
 import org.eclipse.ui.preferences.SettingsTransfer;

 /**
  * The ChooseWorkspaceWithSettingsDialog is the dialog used to switch workspaces
  * with an optional settings export.
  *
  * @since 3.3
  *
  */
 public class ChooseWorkspaceWithSettingsDialog extends ChooseWorkspaceDialog {

 	private static final String WORKBENCH_SETTINGS = "WORKBENCH_SETTINGS"; //$NON-NLS-1$
 	private static final String ENABLED_TRANSFERS = "ENABLED_TRANSFERS"; //$NON-NLS-1$

 	/**
 	 * The class attribute for a settings transfer.
 	 */
 	private static final String ATT_CLASS = "class"; //$NON-NLS-1$
 	/**
 	 * The name attribute for the settings transfer.
 	 */
 	private static final String ATT_NAME = "name"; //$NON-NLS-1$
 	/**
 	 * The id attribute for the settings transfer.
 	 */
 	private static final String ATT_ID = "id"; //$NON-NLS-1$
 	private static final String ATT_HELP_CONTEXT = "helpContext"; //$NON-NLS-1$

 	private Collection selectedSettings = new HashSet();

 	/**
 	 * Open a new instance of the receiver.
 	 *
 	 * @param parentShell
 	 * @param launchData
 	 * @param suppressAskAgain
 	 * @param centerOnMonitor
 	 */
 	public ChooseWorkspaceWithSettingsDialog(Shell parentShell,
 			ChooseWorkspaceData launchData, boolean suppressAskAgain,
 			boolean centerOnMonitor) {
 		super(parentShell, launchData, suppressAskAgain, centerOnMonitor);
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.ui.internal.ide.ChooseWorkspaceDialog#createDialogArea(org.eclipse.swt.widgets.Composite)
 	 */
 	protected Control createDialogArea(Composite parent) {
 		Control top = super.createDialogArea(parent);
 		PlatformUI.getWorkbench().getHelpSystem().setHelp(parent,
 				IIDEHelpContextIds.SWITCH_WORKSPACE_ACTION);
 		createSettingsControls((Composite) top);
 		applyDialogFont(parent);
 		return top;

 	}

 	/**
 	 * Create the controls for selecting the controls we are going to export.
 	 *
 	 * @param workArea
 	 */
 	private void createSettingsControls(Composite workArea) {
 		final FormToolkit toolkit = new FormToolkit(workArea.getDisplay());
 		workArea.addDisposeListener(new DisposeListener() {

 			public void widgetDisposed(DisposeEvent e) {
 				toolkit.dispose();

 			}});
 		final ScrolledForm form = toolkit.createScrolledForm(workArea);
 		form.setBackground(workArea.getBackground());
 		form.getBody().setLayout(new GridLayout());

 		GridData layoutData = new GridData(SWT.FILL, SWT.FILL, true, true);
 		form.setLayoutData(layoutData);
 		final ExpandableComposite expandable = toolkit
 				.createExpandableComposite(form.getBody(),
 						ExpandableComposite.TWISTIE);
 		expandable
 				.setText(IDEWorkbenchMessages.ChooseWorkspaceWithSettingsDialog_SettingsGroupName);
 		expandable.setBackground(workArea.getBackground());
 		expandable.setLayout(new GridLayout());
 		expandable.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 		expandable.addExpansionListener(new IExpansionListener() {

 			boolean notExpanded = true;

 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.ui.forms.events.IExpansionListener#expansionStateChanged(org.eclipse.ui.forms.events.ExpansionEvent)
 			 */
 			public void expansionStateChanged(ExpansionEvent e) {
 				form.reflow(true);
 				if (e.getState() && notExpanded) {
 					getShell().setRedraw(false);
 					Rectangle shellBounds = getShell().getBounds();
 					int entriesToShow = Math.min(4, SettingsTransfer
 							.getSettingsTransfers().length);

 					shellBounds.height += convertHeightInCharsToPixels(entriesToShow)
 							+ IDialogConstants.VERTICAL_SPACING;
 					getShell().setBounds(shellBounds);
 					getShell().setRedraw(true);
 					notExpanded = false;
 				}

 			}

 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.ui.forms.events.IExpansionListener#expansionStateChanging(org.eclipse.ui.forms.events.ExpansionEvent)
 			 */
 			public void expansionStateChanging(ExpansionEvent e) {
 				// Nothing to do here

 			}
 		});

 		Composite sectionClient = toolkit.createComposite(expandable);
 		sectionClient.setLayout(new GridLayout());
 		sectionClient.setBackground(workArea.getBackground());

 		if (createButtons(toolkit, sectionClient))
 			expandable.setExpanded(true);

 		expandable.setClient(sectionClient);

 	}

 	/**
 	 * Create the buttons for the settings transfer.
 	 *
 	 * @param toolkit
 	 * @param sectionClient
 	 * @return boolean <code>true</code> if any were selected
 	 */
 	private boolean createButtons(FormToolkit toolkit, Composite sectionClient) {

 		IConfigurationElement[] settings = SettingsTransfer
 				.getSettingsTransfers();

 		String[] enabledSettings = getEnabledSettings(IDEWorkbenchPlugin
 				.getDefault().getDialogSettings()
 				.getSection(WORKBENCH_SETTINGS));

 		for (int i = 0; i < settings.length; i++) {
 			final IConfigurationElement settingsTransfer = settings[i];
 			final Button button = toolkit.createButton(sectionClient,
 					settings[i].getAttribute(ATT_NAME), SWT.CHECK);

 			String helpId = settings[i].getAttribute(ATT_HELP_CONTEXT);

 			if (helpId != null)
 				PlatformUI.getWorkbench().getHelpSystem().setHelp(button,
 						helpId);

 			if (enabledSettings != null && enabledSettings.length > 0) {

 				String id = settings[i].getAttribute(ATT_ID);
 				for (int j = 0; j < enabledSettings.length; j++) {
 					if (enabledSettings[j].equals(id)) {
 						button.setSelection(true);
 						selectedSettings.add(settingsTransfer);
 						break;
 					}
 				}
 			}

 			button.setBackground(sectionClient.getBackground());
 			button.addSelectionListener(new SelectionAdapter() {

 				/*
 				 * (non-Javadoc)
 				 *
 				 * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
 				 */
 				public void widgetSelected(SelectionEvent e) {
 					if (button.getSelection())
 						selectedSettings.add(settingsTransfer);
 					else
 						selectedSettings.remove(settingsTransfer);
 				}
 			});

 		}
 		return enabledSettings != null && enabledSettings.length > 0;
 	}

 	/**
 	 * Get the settings for the receiver based on the entries in section.
 	 *
 	 * @param section
 	 * @return String[] or <code>null</code>
 	 */
 	private String[] getEnabledSettings(IDialogSettings section) {

 		if (section == null)
 			return null;

 		return section.getArray(ENABLED_TRANSFERS);

 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.ui.internal.ide.ChooseWorkspaceDialog#okPressed()
 	 */
 	protected void okPressed() {
 		Iterator settingsIterator = selectedSettings.iterator();
 		MultiStatus result = new MultiStatus(
 				PlatformUI.PLUGIN_ID,
 				IStatus.OK,
 				IDEWorkbenchMessages.ChooseWorkspaceWithSettingsDialog_ProblemsTransferTitle,
 				null);

 		IPath path = new Path(getWorkspaceLocation());
 		String[] selectionIDs = new String[selectedSettings.size()];
 		int index = 0;

 		while (settingsIterator.hasNext()) {
 			IConfigurationElement elem = (IConfigurationElement) settingsIterator
 					.next();
 			result.add(transferSettings(elem, path));
 			selectionIDs[index] = elem.getAttribute(ATT_ID);
 		}
 		if (result.getSeverity() != IStatus.OK) {
 			ErrorDialog
 					.openError(
 							getShell(),
 							IDEWorkbenchMessages.ChooseWorkspaceWithSettingsDialog_TransferFailedMessage,
 							IDEWorkbenchMessages.ChooseWorkspaceWithSettingsDialog_SaveSettingsFailed,
 							result);
 			return;
 		}

 		saveSettings(selectionIDs);
 		super.okPressed();
 	}

 	/**
 	 * Save the ids of the selected elements.
 	 *
 	 * @param selectionIDs
 	 */
 	private void saveSettings(String[] selectionIDs) {
 		IDialogSettings settings = IDEWorkbenchPlugin.getDefault()
 				.getDialogSettings().getSection(WORKBENCH_SETTINGS);

 		if (settings == null)
 			settings = IDEWorkbenchPlugin.getDefault().getDialogSettings()
 					.addNewSection(WORKBENCH_SETTINGS);

 		settings.put(ENABLED_TRANSFERS, selectionIDs);

 	}

 	/**
 	 * Take the values from element and execute the class for path.
 	 *
 	 * @param elem
 	 * @param path
 	 * @return IStatus the result of the settings transfer.
 	 */
 	private IStatus transferSettings(final IConfigurationElement element,
 			final IPath path) {

 		final IStatus[] exceptions = new IStatus[1];

 		SafeRunner.run(new ISafeRunnable() {
 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.core.runtime.ISafeRunnable#run()
 			 */
 			public void run() throws Exception {

 				try {
 					SettingsTransfer transfer = (SettingsTransfer) WorkbenchPlugin
 							.createExtension(element, ATT_CLASS);
 					transfer.transferSettings(path);
 				} catch (CoreException exception) {
 					exceptions[0] = exception.getStatus();
 				}

 			}

 			/*
 			 * (non-Javadoc)
 			 *
 			 * @see org.eclipse.core.runtime.ISafeRunnable#handleException(java.lang.Throwable)
 			 */
 			public void handleException(Throwable exception) {
 				exceptions[0] = StatusUtil
 						.newStatus(
 								IStatus.ERROR,
 								NLS
 										.bind(
 												IDEWorkbenchMessages.ChooseWorkspaceWithSettingsDialog_ClassCreationFailed,
 												element.getAttribute(ATT_CLASS)),
 								exception);

 			}
 		});

 		if (exceptions[0] != null)
 			return exceptions[0];

 		return Status.OK_STATUS;

 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.jface.dialogs.Dialog#getDialogBoundsStrategy()
 	 */
 	protected int getDialogBoundsStrategy() {
 		return DIALOG_PERSISTLOCATION;
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2006, 2007 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
	*******************************************************************************/

	package org.eclipse.ui.internal.ide;

	import java.util.Collection;
	import java.util.HashSet;
	import java.util.Iterator;

	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IConfigurationElement;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.ISafeRunnable;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.MultiStatus;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.core.runtime.SafeRunner;
	import org.eclipse.core.runtime.Status;
	import org.eclipse.jface.dialogs.ErrorDialog;
	import org.eclipse.jface.dialogs.IDialogConstants;
	import org.eclipse.jface.dialogs.IDialogSettings;
	import org.eclipse.osgi.util.NLS;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.DisposeEvent;
	import org.eclipse.swt.events.DisposeListener;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.graphics.Rectangle;
	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.Shell;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.forms.events.ExpansionEvent;
	import org.eclipse.ui.forms.events.IExpansionListener;
	import org.eclipse.ui.forms.widgets.ExpandableComposite;
	import org.eclipse.ui.forms.widgets.FormToolkit;
	import org.eclipse.ui.forms.widgets.ScrolledForm;
	import org.eclipse.ui.internal.WorkbenchPlugin;
	import org.eclipse.ui.preferences.SettingsTransfer;

	/**
	* The ChooseWorkspaceWithSettingsDialog is the dialog used to switch workspaces
	* with an optional settings export.
	*
	* @since 3.3
	*
	*/
	public class ChooseWorkspaceWithSettingsDialog extends ChooseWorkspaceDialog {

	private static final String WORKBENCH_SETTINGS = "WORKBENCH_SETTINGS"; //$NON-NLS-1$
	private static final String ENABLED_TRANSFERS = "ENABLED_TRANSFERS"; //$NON-NLS-1$

	/**
	* The class attribute for a settings transfer.
	*/
	private static final String ATT_CLASS = "class"; //$NON-NLS-1$
	/**
	* The name attribute for the settings transfer.
	*/
	private static final String ATT_NAME = "name"; //$NON-NLS-1$
	/**
	* The id attribute for the settings transfer.
	*/
	private static final String ATT_ID = "id"; //$NON-NLS-1$
	private static final String ATT_HELP_CONTEXT = "helpContext"; //$NON-NLS-1$

	private Collection selectedSettings = new HashSet();

	/**
	* Open a new instance of the receiver.
	*
	* @param parentShell
	* @param launchData
	* @param suppressAskAgain
	* @param centerOnMonitor
	*/
	public ChooseWorkspaceWithSettingsDialog(Shell parentShell,
	ChooseWorkspaceData launchData, boolean suppressAskAgain,
	boolean centerOnMonitor) {
	super(parentShell, launchData, suppressAskAgain, centerOnMonitor);
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.ui.internal.ide.ChooseWorkspaceDialog#createDialogArea(org.eclipse.swt.widgets.Composite)
	*/
	protected Control createDialogArea(Composite parent) {
	Control top = super.createDialogArea(parent);
	PlatformUI.getWorkbench().getHelpSystem().setHelp(parent,
	IIDEHelpContextIds.SWITCH_WORKSPACE_ACTION);
	createSettingsControls((Composite) top);
	applyDialogFont(parent);
	return top;

	}

	/**
	* Create the controls for selecting the controls we are going to export.
	*
	* @param workArea
	*/
	private void createSettingsControls(Composite workArea) {
	final FormToolkit toolkit = new FormToolkit(workArea.getDisplay());
	workArea.addDisposeListener(new DisposeListener() {

	public void widgetDisposed(DisposeEvent e) {
	toolkit.dispose();

	}});
	final ScrolledForm form = toolkit.createScrolledForm(workArea);
	form.setBackground(workArea.getBackground());
	form.getBody().setLayout(new GridLayout());

	GridData layoutData = new GridData(SWT.FILL, SWT.FILL, true, true);
	form.setLayoutData(layoutData);
	final ExpandableComposite expandable = toolkit
	.createExpandableComposite(form.getBody(),
	ExpandableComposite.TWISTIE);
	expandable
	.setText(IDEWorkbenchMessages.ChooseWorkspaceWithSettingsDialog_SettingsGroupName);
	expandable.setBackground(workArea.getBackground());
	expandable.setLayout(new GridLayout());
	expandable.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
	expandable.addExpansionListener(new IExpansionListener() {

	boolean notExpanded = true;

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.ui.forms.events.IExpansionListener#expansionStateChanged(org.eclipse.ui.forms.events.ExpansionEvent)
	*/
	public void expansionStateChanged(ExpansionEvent e) {
	form.reflow(true);
	if (e.getState() && notExpanded) {
	getShell().setRedraw(false);
	Rectangle shellBounds = getShell().getBounds();
	int entriesToShow = Math.min(4, SettingsTransfer
	.getSettingsTransfers().length);

	shellBounds.height += convertHeightInCharsToPixels(entriesToShow)
	+ IDialogConstants.VERTICAL_SPACING;
	getShell().setBounds(shellBounds);
	getShell().setRedraw(true);
	notExpanded = false;
	}

	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.ui.forms.events.IExpansionListener#expansionStateChanging(org.eclipse.ui.forms.events.ExpansionEvent)
	*/
	public void expansionStateChanging(ExpansionEvent e) {
	// Nothing to do here

	}
	});

	Composite sectionClient = toolkit.createComposite(expandable);
	sectionClient.setLayout(new GridLayout());
	sectionClient.setBackground(workArea.getBackground());

	if (createButtons(toolkit, sectionClient))
	expandable.setExpanded(true);

	expandable.setClient(sectionClient);

	}

	/**
	* Create the buttons for the settings transfer.
	*
	* @param toolkit
	* @param sectionClient
	* @return boolean <code>true</code> if any were selected
	*/
	private boolean createButtons(FormToolkit toolkit, Composite sectionClient) {

	IConfigurationElement[] settings = SettingsTransfer
	.getSettingsTransfers();

	String[] enabledSettings = getEnabledSettings(IDEWorkbenchPlugin
	.getDefault().getDialogSettings()
	.getSection(WORKBENCH_SETTINGS));

	for (int i = 0; i < settings.length; i++) {
	final IConfigurationElement settingsTransfer = settings[i];
	final Button button = toolkit.createButton(sectionClient,
	settings[i].getAttribute(ATT_NAME), SWT.CHECK);

	String helpId = settings[i].getAttribute(ATT_HELP_CONTEXT);

	if (helpId != null)
	PlatformUI.getWorkbench().getHelpSystem().setHelp(button,
	helpId);

	if (enabledSettings != null && enabledSettings.length > 0) {

	String id = settings[i].getAttribute(ATT_ID);
	for (int j = 0; j < enabledSettings.length; j++) {
	if (enabledSettings[j].equals(id)) {
	button.setSelection(true);
	selectedSettings.add(settingsTransfer);
	break;
	}
	}
	}

	button.setBackground(sectionClient.getBackground());
	button.addSelectionListener(new SelectionAdapter() {

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
	*/
	public void widgetSelected(SelectionEvent e) {
	if (button.getSelection())
	selectedSettings.add(settingsTransfer);
	else
	selectedSettings.remove(settingsTransfer);
	}
	});

	}
	return enabledSettings != null && enabledSettings.length > 0;
	}

	/**
	* Get the settings for the receiver based on the entries in section.
	*
	* @param section
	* @return String[] or <code>null</code>
	*/
	private String[] getEnabledSettings(IDialogSettings section) {

	if (section == null)
	return null;

	return section.getArray(ENABLED_TRANSFERS);

	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.ui.internal.ide.ChooseWorkspaceDialog#okPressed()
	*/
	protected void okPressed() {
	Iterator settingsIterator = selectedSettings.iterator();
	MultiStatus result = new MultiStatus(
	PlatformUI.PLUGIN_ID,
	IStatus.OK,
	IDEWorkbenchMessages.ChooseWorkspaceWithSettingsDialog_ProblemsTransferTitle,
	null);

	IPath path = new Path(getWorkspaceLocation());
	String[] selectionIDs = new String[selectedSettings.size()];
	int index = 0;

	while (settingsIterator.hasNext()) {
	IConfigurationElement elem = (IConfigurationElement) settingsIterator
	.next();
	result.add(transferSettings(elem, path));
	selectionIDs[index] = elem.getAttribute(ATT_ID);
	}
	if (result.getSeverity() != IStatus.OK) {
	ErrorDialog
	.openError(
	getShell(),
	IDEWorkbenchMessages.ChooseWorkspaceWithSettingsDialog_TransferFailedMessage,
	IDEWorkbenchMessages.ChooseWorkspaceWithSettingsDialog_SaveSettingsFailed,
	result);
	return;
	}

	saveSettings(selectionIDs);
	super.okPressed();
	}

	/**
	* Save the ids of the selected elements.
	*
	* @param selectionIDs
	*/
	private void saveSettings(String[] selectionIDs) {
	IDialogSettings settings = IDEWorkbenchPlugin.getDefault()
	.getDialogSettings().getSection(WORKBENCH_SETTINGS);

	if (settings == null)
	settings = IDEWorkbenchPlugin.getDefault().getDialogSettings()
	.addNewSection(WORKBENCH_SETTINGS);

	settings.put(ENABLED_TRANSFERS, selectionIDs);

	}

	/**
	* Take the values from element and execute the class for path.
	*
	* @param elem
	* @param path
	* @return IStatus the result of the settings transfer.
	*/
	private IStatus transferSettings(final IConfigurationElement element,
	final IPath path) {

	final IStatus[] exceptions = new IStatus[1];

	SafeRunner.run(new ISafeRunnable() {
	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.core.runtime.ISafeRunnable#run()
	*/
	public void run() throws Exception {

	try {
	SettingsTransfer transfer = (SettingsTransfer) WorkbenchPlugin
	.createExtension(element, ATT_CLASS);
	transfer.transferSettings(path);
	} catch (CoreException exception) {
	exceptions[0] = exception.getStatus();
	}

	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.core.runtime.ISafeRunnable#handleException(java.lang.Throwable)
	*/
	public void handleException(Throwable exception) {
	exceptions[0] = StatusUtil
	.newStatus(
	IStatus.ERROR,
	NLS
	.bind(
	IDEWorkbenchMessages.ChooseWorkspaceWithSettingsDialog_ClassCreationFailed,
	element.getAttribute(ATT_CLASS)),
	exception);

	}
	});

	if (exceptions[0] != null)
	return exceptions[0];

	return Status.OK_STATUS;

	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.dialogs.Dialog#getDialogBoundsStrategy()
	*/
	protected int getDialogBoundsStrategy() {
	return DIALOG_PERSISTLOCATION;
	}

	}