plugins/org.eclipse.sphinx.emf.workspace.ui/src/org/eclipse/sphinx/emf/workspace/ui/wizards/pages/LinkedFolderCreationMainPage.java - sphinx/org.eclipse.sphinx - Git at Google

 /**
  * <copyright>
  *
  * Copyright (c) 2008-2010 See4sys and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html
  *
  * Contributors:
  *     See4sys - Initial API and implementation
  *
  * </copyright>
  */
 package org.eclipse.sphinx.emf.workspace.ui.wizards.pages;

 import java.lang.reflect.InvocationTargetException;
 import java.net.URI;
 import java.util.Iterator;

 import org.eclipse.core.commands.ExecutionException;
 import org.eclipse.core.resources.IFolder;
 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IAdaptable;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.jface.dialogs.ErrorDialog;
 import org.eclipse.jface.dialogs.MessageDialog;
 import org.eclipse.jface.operation.IRunnableWithProgress;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.wizard.WizardPage;
 import org.eclipse.osgi.util.NLS;
 import org.eclipse.sphinx.emf.workspace.ui.internal.Activator;
 import org.eclipse.sphinx.emf.workspace.ui.internal.messages.Messages;
 import org.eclipse.sphinx.platform.util.PlatformLogUtil;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Event;
 import org.eclipse.swt.widgets.Listener;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.ide.undo.CreateFolderOperation;
 import org.eclipse.ui.ide.undo.WorkspaceUndoUtil;

 /**
  * Standard main page for a wizard that creates a folder resource.
  * <p>
  * This page may be used by clients as-is; it may be also be subclassed to suit.
  * </p>
  * <p>
  * Subclasses may extend
  * <ul>
  * <li><code>handleEvent</code></li>
  * </ul>
  * </p>
  */
 public class LinkedFolderCreationMainPage extends WizardPage implements Listener {

 	private IStructuredSelection currentSelection;

 	private IFolder newFolder;

 	// TODO : Like file name refactor this to createLinkedResourceGroup
 	private String folderName;

 	// link target location
 	private URI linkTargetPath;

 	private IPath initialContainerFullPath;

 	// widgets
 	// private ResourceAndContainerGroup resourceGroup;

 	// private Button advancedButton;

 	private CreateLinkedResourceGroup linkedResourceGroup;

 	private Composite linkedResourceParent;

 	private Composite linkedResourceComposite;

 	/**
 	 * Height of the "advanced" linked resource group. Set when the advanced group is first made visible.
 	 */
 	private int linkedResourceGroupHeight = -1;

 	/**
 	 * First time the advanced group is validated.
 	 */
 	private boolean firstLinkCheck = true;

 	/**
 	 * Creates a new folder creation wizard page. If the initial resource selection contains exactly one container
 	 * resource then it will be used as the default container resource.
 	 *
 	 * @param pageName
 	 *            the name of the page
 	 * @param selection
 	 *            the current resource selection
 	 */
 	public LinkedFolderCreationMainPage(IStructuredSelection selection) {
 		super(Messages.wizardNewLinkedFolderCreationPage_title.replaceAll("[^A-Z]", ""));//$NON-NLS-1$ //$NON-NLS-2$
 		setTitle(Messages.wizardNewLinkedFolderCreationPage_title);
 		setDescription(Messages.wizardNewLinkedFolderCreationPage_description);
 		setPageComplete(false);
 		currentSelection = selection;
 		initializeContainerPath();
 	}

 	/**
 	 * (non-Javadoc) Method declared on IDialogPage.
 	 */
 	@Override
 	public void createControl(Composite parent) {
 		initializeDialogUnits(parent);
 		// Top level group
 		Composite composite = new Composite(parent, SWT.NONE);
 		composite.setFont(parent.getFont());
 		composite.setLayout(new GridLayout());
 		composite.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL | GridData.HORIZONTAL_ALIGN_FILL));

 		doCreateControls(composite);
 		validatePage();
 		setControl(composite);
 	}

 	/**
 	 * Creates the widget for advanced options.
 	 *
 	 * @param parent
 	 *            the parent composite
 	 */
 	protected void doCreateControls(Composite parent) {
 		boolean disableLinking = Platform.getPreferencesService().getBoolean(ResourcesPlugin.getPlugin().getBundle().getSymbolicName(),
 				ResourcesPlugin.PREF_DISABLE_LINKING, false, null);
 		if (!disableLinking) {
 			linkedResourceParent = new Composite(parent, SWT.NONE);
 			linkedResourceParent.setFont(parent.getFont());
 			linkedResourceParent.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 			GridLayout layout = new GridLayout();
 			layout.marginHeight = 0;
 			layout.marginWidth = 0;
 			linkedResourceParent.setLayout(layout);

 		}
 		linkedResourceGroup = new CreateLinkedResourceGroup(IResource.FOLDER, new Listener() {
 			@Override
 			public void handleEvent(Event e) {
 				firstLinkCheck = false;
 				setPageComplete(validatePage());
 			}
 		}, new CreateLinkedResourceGroup.IStringValue() {
 			@Override
 			public String getValue() {
 				return getFolderName();
 			}

 			@Override
 			public void setValue(String string) {
 				setFolderName(string);
 			}
 		});
 		doShellResizing(parent);
 	}

 	private void setFolderName(String string) {
 		folderName = string;

 	}

 	protected String getFolderName() {
 		return folderName;
 	}

 	/**
 	 * Creates a folder resource handle for the folder with the given workspace path. This method does not create the
 	 * folder resource; this is the responsibility of <code>createFolder</code>.
 	 *
 	 * @param folderPath
 	 *            the path of the folder resource to create a handle for
 	 * @return the new folder resource handle
 	 */
 	protected IFolder createFolderHandle(IPath folderPath) {
 		return ResourcesPlugin.getWorkspace().getRoot().getFolder(folderPath);
 	}

 	/**
 	 * Creates the link target path if a link target has been specified.
 	 */
 	protected void createLinkTarget() {
 		linkTargetPath = linkedResourceGroup.getLinkTargetURI();
 	}

 	/**
 	 * Creates a new folder resource in the selected container and with the selected name. Creates any missing resource
 	 * containers along the path; does nothing if the container resources already exist.
 	 * <p>
 	 * In normal usage, this method is invoked after the user has pressed Finish on the wizard; the enablement of the
 	 * Finish button implies that all controls on this page currently contain valid values.
 	 * </p>
 	 * <p>
 	 * Note that this page caches the new folder once it has been successfully created; subsequent invocations of this
 	 * method will answer the same folder resource without attempting to create it again.
 	 * </p>
 	 * <p>
 	 * This method should be called within a workspace modify operation since it creates resources.
 	 * </p>
 	 *
 	 * @return the created folder resource, or <code>null</code> if the folder was not created
 	 */
 	public IFolder createNewLinkedFolder() {
 		if (newFolder != null) {
 			return newFolder;
 		}

 		// create the new folder and cache it if successful
 		final IPath containerPath = getContainerFullPath();
 		IPath newFolderPath = containerPath.append(getFolderName());
 		final IFolder newFolderHandle = createFolderHandle(newFolderPath);

 		createLinkTarget();
 		IRunnableWithProgress runnable = new IRunnableWithProgress() {
 			@Override
 			public void run(IProgressMonitor monitor) {
 				CreateFolderOperation createFolderOperation = new CreateFolderOperation(newFolderHandle, linkTargetPath,
 						Messages.wizardNewLinkedFolderCreationPage_title);
 				try {
 					PlatformUI.getWorkbench().getOperationSupport().getOperationHistory()
 							.execute(createFolderOperation, monitor, WorkspaceUndoUtil.getUIInfoAdapter(getShell()));
 				} catch (final ExecutionException e) {
 					getContainer().getShell().getDisplay().syncExec(new Runnable() {
 						@Override
 						public void run() {
 							if (e.getCause() instanceof CoreException) {
 								ErrorDialog.openError(getContainer().getShell(), // Was Utilities.getFocusShell()
 										Messages.wizardNewLinkedFolderCreationPage_errorTitle, null, // no
 										// special
 										// message
 										((CoreException) e.getCause()).getStatus());
 							} else {
 								PlatformLogUtil.logAsError(Activator.getPlugin(), "createNewLinkedFolder()" + e.getCause()); //$NON-NLS-1$
 								MessageDialog.openError(getContainer().getShell(), Messages.wizardNewLinkedFolderCreationPage_internalErrorTitle,
 										NLS.bind(Messages.wizardNewLinkedFolderCreationPage_internalErrorMessage, e.getCause().getMessage()));
 							}
 						}
 					});
 				}
 			}
 		};

 		try {
 			getContainer().run(true, true, runnable);
 		} catch (InterruptedException e) {
 			return null;
 		} catch (InvocationTargetException e) {
 			// ExecutionExceptions are handled above, but unexpected runtime
 			// exceptions and errors may still occur.
 			PlatformLogUtil.logAsError(Activator.getPlugin(), "createNewFolder()" + e.getTargetException()); //$NON-NLS-1$
 			MessageDialog.openError(getContainer().getShell(), Messages.wizardNewLinkedFolderCreationPage_internalErrorTitle,
 					NLS.bind(Messages.wizardNewLinkedFolderCreationPage_internalErrorMessage, e.getTargetException().getMessage()));
 			return null;
 		}

 		newFolder = newFolderHandle;

 		return newFolder;
 	}

 	/**
 	 * Shows/hides the advanced option widgets.
 	 */
 	protected void doShellResizing(Composite parent) {
 		Shell shell = getShell();
 		Point shellSize = shell.getSize();
 		Composite composite = parent;

 		if (linkedResourceComposite != null) {
 			linkedResourceComposite.dispose();
 			linkedResourceComposite = null;
 			composite.layout();
 			shell.setSize(shellSize.x, shellSize.y - linkedResourceGroupHeight);
 		} else {
 			linkedResourceComposite = linkedResourceGroup.createContents(linkedResourceParent);
 			if (linkedResourceGroupHeight == -1) {
 				Point groupSize = linkedResourceComposite.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
 				linkedResourceGroupHeight = groupSize.y;
 			}
 			shell.setSize(600, 300 + linkedResourceGroupHeight);
 			composite.layout();
 		}
 	}

 	/**
 	 * The <code>WizardNewFolderCreationPage</code> implementation of this <code>Listener</code> method handles all
 	 * events and enablements for controls on this page. Subclasses may extend.
 	 */
 	@Override
 	public void handleEvent(Event ev) {
 		setPageComplete(validatePage());
 	}

 	/**
 	 * Initializes this page's container path.
 	 */
 	protected void initializeContainerPath() {
 		Iterator<?> it = currentSelection.iterator();
 		if (it.hasNext()) {
 			Object next = it.next();
 			IResource selectedResource = null;
 			if (next instanceof IResource) {
 				selectedResource = (IResource) next;
 			} else if (next instanceof IAdaptable) {
 				selectedResource = (IResource) ((IAdaptable) next).getAdapter(IResource.class);
 			}
 			if (selectedResource != null) {
 				if (selectedResource.getType() == IResource.FILE) {
 					selectedResource = selectedResource.getParent();
 				}
 				setContainerFullPath(selectedResource.getFullPath());
 			}
 		}

 		setPageComplete(false);
 	}

 	/**
 	 * Checks whether the linked resource target is valid. Sets the error message accordingly and returns the status.
 	 *
 	 * @return IStatus validation result from the CreateLinkedResourceGroup
 	 */
 	protected IStatus validateLinkedResource() {
 		IPath containerPath = getContainerFullPath();
 		IPath newFolderPath = containerPath.append(getFolderName());
 		IFolder newFolderHandle = createFolderHandle(newFolderPath);
 		IStatus status = linkedResourceGroup.validateLinkLocation(newFolderHandle);

 		if (status.getSeverity() == IStatus.ERROR) {
 			if (firstLinkCheck) {
 				setMessage(status.getMessage());
 			} else {
 				setErrorMessage(status.getMessage());
 			}
 		} else if (status.getSeverity() == IStatus.WARNING) {
 			setMessage(status.getMessage(), WARNING);
 			setErrorMessage(null);
 		}
 		return status;
 	}

 	/**
 	 * 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() {
 		boolean valid = true;

 		IPath containerFullPath = getContainerFullPath();
 		if (containerFullPath == null || containerFullPath.segmentCount() == 0) {
 			valid = false;
 			setErrorMessage(Messages.wizardNewLinkedFolderCreationPage_noParentSelected);
 		} else {
 			String containerProjectName = containerFullPath.segment(0);
 			IProject containerProject = ResourcesPlugin.getWorkspace().getRoot().getProject(containerProjectName);
 			if (!containerProject.isOpen()) {
 				valid = false;
 				setErrorMessage(Messages.wizardNewLinkedFolderCreationPage_selectedParentProjectNotOpen);
 			}
 		}

 		if (valid) {
 			String folderName = getFolderName();
 			IStatus result = ResourcesPlugin.getWorkspace().validateName(folderName, IResource.FOLDER);
 			if (!result.isOK()) {
 				valid = false;
 				if (!firstLinkCheck) {
 					setErrorMessage(result.getMessage());
 				}
 			}
 		}

 		IStatus linkedResourceStatus = null;
 		if (valid) {
 			linkedResourceStatus = validateLinkedResource();
 			if (linkedResourceStatus.getSeverity() == IStatus.ERROR) {
 				valid = false;
 			}
 		}

 		if (valid && (linkedResourceStatus == null || linkedResourceStatus.isOK())) {
 			setMessage(null);
 			setErrorMessage(null);
 		}
 		return valid;
 	}

 	// TODO : refactor this remove to createlinkedResourceGroup
 	protected IPath getContainerFullPath() {
 		return initialContainerFullPath;
 	}

 	// TODO refactor this remove to createlinkedResourceGroup
 	private void setContainerFullPath(IPath path) {
 		initialContainerFullPath = path;
 	}

 }
	/**
	* <copyright>
	*
	* Copyright (c) 2008-2010 See4sys and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html
	*
	* Contributors:
	* See4sys - Initial API and implementation
	*
	* </copyright>
	*/
	package org.eclipse.sphinx.emf.workspace.ui.wizards.pages;

	import java.lang.reflect.InvocationTargetException;
	import java.net.URI;
	import java.util.Iterator;

	import org.eclipse.core.commands.ExecutionException;
	import org.eclipse.core.resources.IFolder;
	import org.eclipse.core.resources.IProject;
	import org.eclipse.core.resources.IResource;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IAdaptable;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.IProgressMonitor;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.Platform;
	import org.eclipse.jface.dialogs.ErrorDialog;
	import org.eclipse.jface.dialogs.MessageDialog;
	import org.eclipse.jface.operation.IRunnableWithProgress;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.wizard.WizardPage;
	import org.eclipse.osgi.util.NLS;
	import org.eclipse.sphinx.emf.workspace.ui.internal.Activator;
	import org.eclipse.sphinx.emf.workspace.ui.internal.messages.Messages;
	import org.eclipse.sphinx.platform.util.PlatformLogUtil;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.graphics.Point;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Event;
	import org.eclipse.swt.widgets.Listener;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.ide.undo.CreateFolderOperation;
	import org.eclipse.ui.ide.undo.WorkspaceUndoUtil;

	/**
	* Standard main page for a wizard that creates a folder resource.
	* <p>
	* This page may be used by clients as-is; it may be also be subclassed to suit.
	* </p>
	* <p>
	* Subclasses may extend
	* <ul>
	* <li><code>handleEvent</code></li>
	* </ul>
	* </p>
	*/
	public class LinkedFolderCreationMainPage extends WizardPage implements Listener {

	private IStructuredSelection currentSelection;

	private IFolder newFolder;

	// TODO : Like file name refactor this to createLinkedResourceGroup
	private String folderName;

	// link target location
	private URI linkTargetPath;

	private IPath initialContainerFullPath;

	// widgets
	// private ResourceAndContainerGroup resourceGroup;

	// private Button advancedButton;

	private CreateLinkedResourceGroup linkedResourceGroup;

	private Composite linkedResourceParent;

	private Composite linkedResourceComposite;

	/**
	* Height of the "advanced" linked resource group. Set when the advanced group is first made visible.
	*/
	private int linkedResourceGroupHeight = -1;

	/**
	* First time the advanced group is validated.
	*/
	private boolean firstLinkCheck = true;

	/**
	* Creates a new folder creation wizard page. If the initial resource selection contains exactly one container
	* resource then it will be used as the default container resource.
	*
	* @param pageName
	* the name of the page
	* @param selection
	* the current resource selection
	*/
	public LinkedFolderCreationMainPage(IStructuredSelection selection) {
	super(Messages.wizardNewLinkedFolderCreationPage_title.replaceAll("[^A-Z]", ""));//$NON-NLS-1$ //$NON-NLS-2$
	setTitle(Messages.wizardNewLinkedFolderCreationPage_title);
	setDescription(Messages.wizardNewLinkedFolderCreationPage_description);
	setPageComplete(false);
	currentSelection = selection;
	initializeContainerPath();
	}

	/**
	* (non-Javadoc) Method declared on IDialogPage.
	*/
	@Override
	public void createControl(Composite parent) {
	initializeDialogUnits(parent);
	// Top level group
	Composite composite = new Composite(parent, SWT.NONE);
	composite.setFont(parent.getFont());
	composite.setLayout(new GridLayout());
	composite.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL \| GridData.HORIZONTAL_ALIGN_FILL));

	doCreateControls(composite);
	validatePage();
	setControl(composite);
	}

	/**
	* Creates the widget for advanced options.
	*
	* @param parent
	* the parent composite
	*/
	protected void doCreateControls(Composite parent) {
	boolean disableLinking = Platform.getPreferencesService().getBoolean(ResourcesPlugin.getPlugin().getBundle().getSymbolicName(),
	ResourcesPlugin.PREF_DISABLE_LINKING, false, null);
	if (!disableLinking) {
	linkedResourceParent = new Composite(parent, SWT.NONE);
	linkedResourceParent.setFont(parent.getFont());
	linkedResourceParent.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	GridLayout layout = new GridLayout();
	layout.marginHeight = 0;
	layout.marginWidth = 0;
	linkedResourceParent.setLayout(layout);

	}
	linkedResourceGroup = new CreateLinkedResourceGroup(IResource.FOLDER, new Listener() {
	@Override
	public void handleEvent(Event e) {
	firstLinkCheck = false;
	setPageComplete(validatePage());
	}
	}, new CreateLinkedResourceGroup.IStringValue() {
	@Override
	public String getValue() {
	return getFolderName();
	}

	@Override
	public void setValue(String string) {
	setFolderName(string);
	}
	});
	doShellResizing(parent);
	}

	private void setFolderName(String string) {
	folderName = string;

	}

	protected String getFolderName() {
	return folderName;
	}

	/**
	* Creates a folder resource handle for the folder with the given workspace path. This method does not create the
	* folder resource; this is the responsibility of <code>createFolder</code>.
	*
	* @param folderPath
	* the path of the folder resource to create a handle for
	* @return the new folder resource handle
	*/
	protected IFolder createFolderHandle(IPath folderPath) {
	return ResourcesPlugin.getWorkspace().getRoot().getFolder(folderPath);
	}

	/**
	* Creates the link target path if a link target has been specified.
	*/
	protected void createLinkTarget() {
	linkTargetPath = linkedResourceGroup.getLinkTargetURI();
	}

	/**
	* Creates a new folder resource in the selected container and with the selected name. Creates any missing resource
	* containers along the path; does nothing if the container resources already exist.
	* <p>
	* In normal usage, this method is invoked after the user has pressed Finish on the wizard; the enablement of the
	* Finish button implies that all controls on this page currently contain valid values.
	* </p>
	* <p>
	* Note that this page caches the new folder once it has been successfully created; subsequent invocations of this
	* method will answer the same folder resource without attempting to create it again.
	* </p>
	* <p>
	* This method should be called within a workspace modify operation since it creates resources.
	* </p>
	*
	* @return the created folder resource, or <code>null</code> if the folder was not created
	*/
	public IFolder createNewLinkedFolder() {
	if (newFolder != null) {
	return newFolder;
	}

	// create the new folder and cache it if successful
	final IPath containerPath = getContainerFullPath();
	IPath newFolderPath = containerPath.append(getFolderName());
	final IFolder newFolderHandle = createFolderHandle(newFolderPath);

	createLinkTarget();
	IRunnableWithProgress runnable = new IRunnableWithProgress() {
	@Override
	public void run(IProgressMonitor monitor) {
	CreateFolderOperation createFolderOperation = new CreateFolderOperation(newFolderHandle, linkTargetPath,
	Messages.wizardNewLinkedFolderCreationPage_title);
	try {
	PlatformUI.getWorkbench().getOperationSupport().getOperationHistory()
	.execute(createFolderOperation, monitor, WorkspaceUndoUtil.getUIInfoAdapter(getShell()));
	} catch (final ExecutionException e) {
	getContainer().getShell().getDisplay().syncExec(new Runnable() {
	@Override
	public void run() {
	if (e.getCause() instanceof CoreException) {
	ErrorDialog.openError(getContainer().getShell(), // Was Utilities.getFocusShell()
	Messages.wizardNewLinkedFolderCreationPage_errorTitle, null, // no
	// special
	// message
	((CoreException) e.getCause()).getStatus());
	} else {
	PlatformLogUtil.logAsError(Activator.getPlugin(), "createNewLinkedFolder()" + e.getCause()); //$NON-NLS-1$
	MessageDialog.openError(getContainer().getShell(), Messages.wizardNewLinkedFolderCreationPage_internalErrorTitle,
	NLS.bind(Messages.wizardNewLinkedFolderCreationPage_internalErrorMessage, e.getCause().getMessage()));
	}
	}
	});
	}
	}
	};

	try {
	getContainer().run(true, true, runnable);
	} catch (InterruptedException e) {
	return null;
	} catch (InvocationTargetException e) {
	// ExecutionExceptions are handled above, but unexpected runtime
	// exceptions and errors may still occur.
	PlatformLogUtil.logAsError(Activator.getPlugin(), "createNewFolder()" + e.getTargetException()); //$NON-NLS-1$
	MessageDialog.openError(getContainer().getShell(), Messages.wizardNewLinkedFolderCreationPage_internalErrorTitle,
	NLS.bind(Messages.wizardNewLinkedFolderCreationPage_internalErrorMessage, e.getTargetException().getMessage()));
	return null;
	}

	newFolder = newFolderHandle;

	return newFolder;
	}

	/**
	* Shows/hides the advanced option widgets.
	*/
	protected void doShellResizing(Composite parent) {
	Shell shell = getShell();
	Point shellSize = shell.getSize();
	Composite composite = parent;

	if (linkedResourceComposite != null) {
	linkedResourceComposite.dispose();
	linkedResourceComposite = null;
	composite.layout();
	shell.setSize(shellSize.x, shellSize.y - linkedResourceGroupHeight);
	} else {
	linkedResourceComposite = linkedResourceGroup.createContents(linkedResourceParent);
	if (linkedResourceGroupHeight == -1) {
	Point groupSize = linkedResourceComposite.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
	linkedResourceGroupHeight = groupSize.y;
	}
	shell.setSize(600, 300 + linkedResourceGroupHeight);
	composite.layout();
	}
	}

	/**
	* The <code>WizardNewFolderCreationPage</code> implementation of this <code>Listener</code> method handles all
	* events and enablements for controls on this page. Subclasses may extend.
	*/
	@Override
	public void handleEvent(Event ev) {
	setPageComplete(validatePage());
	}

	/**
	* Initializes this page's container path.
	*/
	protected void initializeContainerPath() {
	Iterator<?> it = currentSelection.iterator();
	if (it.hasNext()) {
	Object next = it.next();
	IResource selectedResource = null;
	if (next instanceof IResource) {
	selectedResource = (IResource) next;
	} else if (next instanceof IAdaptable) {
	selectedResource = (IResource) ((IAdaptable) next).getAdapter(IResource.class);
	}
	if (selectedResource != null) {
	if (selectedResource.getType() == IResource.FILE) {
	selectedResource = selectedResource.getParent();
	}
	setContainerFullPath(selectedResource.getFullPath());
	}
	}

	setPageComplete(false);
	}

	/**
	* Checks whether the linked resource target is valid. Sets the error message accordingly and returns the status.
	*
	* @return IStatus validation result from the CreateLinkedResourceGroup
	*/
	protected IStatus validateLinkedResource() {
	IPath containerPath = getContainerFullPath();
	IPath newFolderPath = containerPath.append(getFolderName());
	IFolder newFolderHandle = createFolderHandle(newFolderPath);
	IStatus status = linkedResourceGroup.validateLinkLocation(newFolderHandle);

	if (status.getSeverity() == IStatus.ERROR) {
	if (firstLinkCheck) {
	setMessage(status.getMessage());
	} else {
	setErrorMessage(status.getMessage());
	}
	} else if (status.getSeverity() == IStatus.WARNING) {
	setMessage(status.getMessage(), WARNING);
	setErrorMessage(null);
	}
	return status;
	}

	/**
	* 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() {
	boolean valid = true;

	IPath containerFullPath = getContainerFullPath();
	if (containerFullPath == null \|\| containerFullPath.segmentCount() == 0) {
	valid = false;
	setErrorMessage(Messages.wizardNewLinkedFolderCreationPage_noParentSelected);
	} else {
	String containerProjectName = containerFullPath.segment(0);
	IProject containerProject = ResourcesPlugin.getWorkspace().getRoot().getProject(containerProjectName);
	if (!containerProject.isOpen()) {
	valid = false;
	setErrorMessage(Messages.wizardNewLinkedFolderCreationPage_selectedParentProjectNotOpen);
	}
	}

	if (valid) {
	String folderName = getFolderName();
	IStatus result = ResourcesPlugin.getWorkspace().validateName(folderName, IResource.FOLDER);
	if (!result.isOK()) {
	valid = false;
	if (!firstLinkCheck) {
	setErrorMessage(result.getMessage());
	}
	}
	}

	IStatus linkedResourceStatus = null;
	if (valid) {
	linkedResourceStatus = validateLinkedResource();
	if (linkedResourceStatus.getSeverity() == IStatus.ERROR) {
	valid = false;
	}
	}

	if (valid && (linkedResourceStatus == null \|\| linkedResourceStatus.isOK())) {
	setMessage(null);
	setErrorMessage(null);
	}
	return valid;
	}

	// TODO : refactor this remove to createlinkedResourceGroup
	protected IPath getContainerFullPath() {
	return initialContainerFullPath;
	}

	// TODO refactor this remove to createlinkedResourceGroup
	private void setContainerFullPath(IPath path) {
	initialContainerFullPath = path;
	}

	}