ui/org.eclipse.pde.ui/src/org/eclipse/pde/internal/ui/shared/target/EditDirectoryContainerPage.java - pde/eclipse.pde.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2009, 2015 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.pde.internal.ui.shared.target;

 import static org.eclipse.swt.events.SelectionListener.widgetSelectedAdapter;

 import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
 import org.eclipse.core.runtime.*;
 import org.eclipse.core.runtime.jobs.Job;
 import org.eclipse.core.variables.VariablesPlugin;
 import org.eclipse.debug.ui.StringVariableSelectionDialog;
 import org.eclipse.jface.dialogs.IDialogSettings;
 import org.eclipse.jface.dialogs.IMessageProvider;
 import org.eclipse.jface.wizard.WizardPage;
 import org.eclipse.pde.core.target.ITargetLocation;
 import org.eclipse.pde.core.target.ITargetPlatformService;
 import org.eclipse.pde.internal.core.PDECore;
 import org.eclipse.pde.internal.core.target.AbstractBundleContainer;
 import org.eclipse.pde.internal.ui.*;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.progress.UIJob;

 /**
  * Wizard page for creating a new directory bundle container.
  *
  * @see AddBundleContainerWizard
  * @see AddBundleContainerSelectionPage
  * @see ITargetLocation
  */
 public class EditDirectoryContainerPage extends WizardPage implements IEditBundleContainerPage {

 	/**
 	 * How long to wait before validating the directory
 	 */
 	protected static final int TYPING_DELAY = 200;

 	private static ITargetPlatformService fTargetService;
 	protected Combo fInstallLocation;
 	protected ITargetLocation fContainer;
 	private Job fTextChangedJob;

 	/**
 	 * Dialog settings key for the most recent location
 	 */
 	private static final String SETTINGS_LOCATION_1 = "location1"; //$NON-NLS-1$

 	/**
 	 * Dialog settings key for the second most recent location
 	 */
 	private static final String SETTINGS_LOCATION_2 = "location2"; //$NON-NLS-1$

 	/**
 	 * Dialog settings key for the third most recent location
 	 */
 	private static final String SETTINGS_LOCATION_3 = "location3"; //$NON-NLS-1$

 	protected EditDirectoryContainerPage(ITargetLocation container) {
 		this();
 		fContainer = container;
 	}

 	protected EditDirectoryContainerPage() {
 		super("EditDirectoryContainer"); //$NON-NLS-1$
 	}

 	public EditDirectoryContainerPage(ITargetLocation container, String name) {
 		super(name);
 		fContainer = container;
 	}

 	@Override
 	public void createControl(Composite parent) {
 		setMessage(getDefaultMessage());
 		setTitle(getDefaultTitle());
 		setPageComplete(false);
 		Composite comp = SWTFactory.createComposite(parent, 1, 1, GridData.FILL_BOTH, 0, 0);
 		createLocationArea(comp);
 		setControl(comp);
 		initializeInputFields(fContainer);
 		if ("EditDirectoryContainer".equalsIgnoreCase(getName())) { //$NON-NLS-1$
 			if (fContainer == null) {
 				PlatformUI.getWorkbench().getHelpSystem().setHelp(comp, IHelpContextIds.LOCATION_ADD_DIRECTORY_WIZARD);
 			} else {
 				PlatformUI.getWorkbench().getHelpSystem().setHelp(comp, IHelpContextIds.LOCATION_EDIT_DIRECTORY_WIZARD);
 			}
 		}
 	}

 	/**
 	 * @return the default title for this wizard page
 	 */
 	protected String getDefaultTitle() {
 		if (fContainer == null) {
 			return Messages.AddDirectoryContainerPage_0;
 		}
 		return Messages.EditDirectoryContainerPage_0;
 	}

 	/**
 	 * @return the default message for this wizard page
 	 */
 	protected String getDefaultMessage() {
 		return Messages.AddDirectoryContainerPage_1;
 	}

 	/**
 	 * Creates the area at the top of the page.  Contains an entry form for a location path.
 	 * This method may be overridden by subclasses to provide custom widgets
 	 * @param parent parent composite
 	 */
 	protected void createLocationArea(Composite parent) {
 		Composite locationComp = SWTFactory.createComposite(parent, 2, 1, GridData.FILL_HORIZONTAL, 0, 0);

 		SWTFactory.createLabel(locationComp, Messages.AddDirectoryContainerPage_2, 1);

 		fInstallLocation = SWTFactory.createCombo(locationComp, SWT.BORDER, 1, getLocationComboItems());
 		fInstallLocation.addModifyListener(e -> {
 			// If the text is a combo item, immediately try to resolve, otherwise wait in case they type more
 			boolean isItem = false;
 			String[] items = fInstallLocation.getItems();
 			for (String item : items) {
 				if (fInstallLocation.getText().equals(item)) {
 					isItem = true;
 					break;
 				}
 			}
 			containerChanged(isItem ? 0 : TYPING_DELAY);
 		});
 		if (fContainer instanceof AbstractBundleContainer) {
 			try {
 				String location = ((AbstractBundleContainer) fContainer).getLocation(false);
 				fInstallLocation.setText(location);
 			} catch (CoreException e) {
 				setErrorMessage(e.getMessage());
 			}

 		}

 		Composite buttonComp = SWTFactory.createComposite(locationComp, 2, 2, GridData.CENTER, 0, 0);
 		GridData gd = (GridData) buttonComp.getLayoutData();
 		gd.horizontalAlignment = SWT.RIGHT;

 		Button browseButton = SWTFactory.createPushButton(buttonComp, Messages.AddDirectoryContainerPage_3, null);
 		browseButton.addSelectionListener(widgetSelectedAdapter(e -> {
 			DirectoryDialog dialog = new DirectoryDialog(getShell());
 			dialog.setFilterPath(fInstallLocation.getText());
 			dialog.setText(Messages.AddDirectoryContainerPage_4);
 			dialog.setMessage(Messages.AddDirectoryContainerPage_5);
 			String result = dialog.open();
 			if (result != null)
 				fInstallLocation.setText(result);
 		}));

 		Button variablesButton = SWTFactory.createPushButton(buttonComp, Messages.EditDirectoryContainerPage_1, null);
 		variablesButton.addSelectionListener(widgetSelectedAdapter(e -> {
 			StringVariableSelectionDialog dialog = new StringVariableSelectionDialog(getShell());
 			dialog.open();
 			String variable = dialog.getVariableExpression();
 			if (variable != null) {
 				fInstallLocation.setText(fInstallLocation.getText() + variable);
 			}
 		}));
 	}

 	/**
 	 * Initializes the fields use to describe the container.  They should be filled in using
 	 * the given container or set to default values if the container is <code>null</code>.
 	 * @param container bundle container being edited, possibly <code>null</code>
 	 */
 	protected void initializeInputFields(ITargetLocation container) {
 		if (container instanceof AbstractBundleContainer) {
 			try {
 				String currentLocation = ((AbstractBundleContainer) container).getLocation(false);
 				boolean found = false;
 				String[] items = fInstallLocation.getItems();
 				for (String item : items) {
 					if (item.equals(currentLocation)) {
 						found = true;
 						break;
 					}
 				}
 				if (!found) {
 					fInstallLocation.add(currentLocation);
 				}
 				fInstallLocation.setText(currentLocation);

 				containerChanged(0);
 			} catch (CoreException e) {
 				PDEPlugin.log(e);
 			}
 		} else {
 			fInstallLocation.setText(""); //$NON-NLS-1$
 		}
 	}

 	/**
 	 * @return a list of previous locations from settings plus the default location
 	 */
 	private String[] getLocationComboItems() {
 		List<String> previousLocations = new ArrayList<>(4);
 		IDialogSettings settings = getDialogSettings();
 		if (settings != null) {
 			String location = settings.get(SETTINGS_LOCATION_1);
 			if (location != null) {
 				previousLocations.add(location);
 			}
 			location = settings.get(SETTINGS_LOCATION_2);
 			if (location != null) {
 				previousLocations.add(location);
 			}
 			location = settings.get(SETTINGS_LOCATION_3);
 			if (location != null) {
 				previousLocations.add(location);
 			}
 		}
 		previousLocations.add(getDefaultLocation());
 		return previousLocations.toArray(new String[previousLocations.size()]);
 	}

 	/**
 	 * @return the default text to add as a combo item to the location combo
 	 */
 	protected String getDefaultLocation() {
 		return "${eclipse_home}"; //$NON-NLS-1$
 	}

 	@Override
 	public void storeSettings() {
 		String newLocation = fInstallLocation.getText().trim();

 		int length = newLocation.length();
 		if (length > 0 && newLocation.charAt(length - 1) == File.separatorChar) {
 			newLocation = newLocation.substring(0, length - 1);
 		}
 		String[] items = fInstallLocation.getItems();
 		for (String item : items) {
 			if (item.equals(newLocation)) {
 				// Already have this location stored
 				return;
 			}
 		}
 		IDialogSettings settings = getDialogSettings();
 		if (settings != null) {
 			String location = settings.get(SETTINGS_LOCATION_2);
 			if (location != null) {
 				settings.put(SETTINGS_LOCATION_3, location);
 			}
 			location = settings.get(SETTINGS_LOCATION_1);
 			if (location != null) {
 				settings.put(SETTINGS_LOCATION_2, location);
 			}
 			settings.put(SETTINGS_LOCATION_1, newLocation);
 		}
 	}

 	@Override
 	public ITargetLocation getBundleContainer() {
 		return fContainer;
 	}

 	/**
 	 * Called whenever the location or another aspect of the container has changed
 	 * in the UI.  Will schedule a UIJob to verify and resolve the container
 	 * reporting any problems to the user.  If a previous job is running or sleeping
 	 * it will be cancelled.
 	 *
 	 * @param delay a delay to add to the job scheduling
 	 */
 	protected void containerChanged(long delay) {
 		if (fTextChangedJob == null) {
 			fTextChangedJob = new CreateContainerJob(getShell().getDisplay(), Messages.EditDirectoryContainerPage_3);
 		} else {
 			fTextChangedJob.cancel();
 		}
 		fTextChangedJob.schedule(delay);
 	}

 	/**
 	 * Validate the input fields before a container is created/edited.
 	 * The page's enablement, message and completion should be updated.
 	 *
 	 * @return whether the finish button should be enabled and container creation should continue
 	 */
 	protected boolean validateInput() {
 		if (fInstallLocation.isDisposed())
 			return false;

 		// Check if the text field is blank
 		if (fInstallLocation.getText().trim().length() == 0) {
 			setMessage(getDefaultMessage());
 			return false;
 		}

 		// Resolve any variables
 		String locationString = null;
 		try {
 			locationString = VariablesPlugin.getDefault().getStringVariableManager().performStringSubstitution(fInstallLocation.getText().trim());
 		} catch (CoreException e) {
 			setMessage(e.getMessage(), IMessageProvider.WARNING);
 			return true;
 		}
 		File location = new File(locationString);

 		// Check if directory exists
 		if (!location.isDirectory()) {
 			setMessage(Messages.AddDirectoryContainerPage_6, IMessageProvider.WARNING);
 		} else {
 			setMessage(getDefaultMessage());
 		}
 		return true;
 	}

 	/**
 	 * Returns a bundle container based on the current inputs to the wizard.
 	 * If a previous container is supplied, any relevant information it stores
 	 * should be copied to the new container.
 	 *
 	 * @param previous previous container to grab information from or <code>null</code> if a new container should be created
 	 * @return a new or modified bundle container
 	 * @throws CoreException
 	 */
 	protected ITargetLocation createContainer(ITargetLocation previous) throws CoreException {
 		return getTargetPlatformService().newDirectoryLocation(fInstallLocation.getText());
 	}

 	/**
 	 * Gets the target platform service provided by PDE Core
 	 * @return the target platform service
 	 * @throws CoreException if unable to acquire the service
 	 */
 	protected static ITargetPlatformService getTargetPlatformService() throws CoreException {
 		if (fTargetService == null) {
 			fTargetService = (ITargetPlatformService) PDECore.getDefault().acquireService(ITargetPlatformService.class.getName());
 			if (fTargetService == null) {
 				throw new CoreException(new Status(IStatus.ERROR, PDECore.PLUGIN_ID, Messages.AddDirectoryContainerPage_9));
 			}
 		}
 		return fTargetService;
 	}

 	private class CreateContainerJob extends UIJob {
 		public CreateContainerJob(Display jobDisplay, String name) {
 			super(jobDisplay, name);
 		}

 		@Override
 		public IStatus runInUIThread(IProgressMonitor monitor) {
 			if (monitor.isCanceled()) {
 				return Status.CANCEL_STATUS;
 			}

 			try {
 				// Validate the location and any other text fields
 				if (validateInput()) {
 					// Create a container from the input
 					fContainer = createContainer(fContainer);
 					setPageComplete(true);
 				} else {
 					fContainer = null;
 					setPageComplete(false);
 				}
 				return Status.OK_STATUS;
 			} catch (CoreException e) {
 				fContainer = null;
 				setErrorMessage(e.getMessage());
 				setPageComplete(false);
 				return e.getStatus();
 			}
 		}
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2009, 2015 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.pde.internal.ui.shared.target;

	import static org.eclipse.swt.events.SelectionListener.widgetSelectedAdapter;

	import java.io.File;
	import java.util.ArrayList;
	import java.util.List;
	import org.eclipse.core.runtime.*;
	import org.eclipse.core.runtime.jobs.Job;
	import org.eclipse.core.variables.VariablesPlugin;
	import org.eclipse.debug.ui.StringVariableSelectionDialog;
	import org.eclipse.jface.dialogs.IDialogSettings;
	import org.eclipse.jface.dialogs.IMessageProvider;
	import org.eclipse.jface.wizard.WizardPage;
	import org.eclipse.pde.core.target.ITargetLocation;
	import org.eclipse.pde.core.target.ITargetPlatformService;
	import org.eclipse.pde.internal.core.PDECore;
	import org.eclipse.pde.internal.core.target.AbstractBundleContainer;
	import org.eclipse.pde.internal.ui.*;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.progress.UIJob;

	/**
	* Wizard page for creating a new directory bundle container.
	*
	* @see AddBundleContainerWizard
	* @see AddBundleContainerSelectionPage
	* @see ITargetLocation
	*/
	public class EditDirectoryContainerPage extends WizardPage implements IEditBundleContainerPage {

	/**
	* How long to wait before validating the directory
	*/
	protected static final int TYPING_DELAY = 200;

	private static ITargetPlatformService fTargetService;
	protected Combo fInstallLocation;
	protected ITargetLocation fContainer;
	private Job fTextChangedJob;

	/**
	* Dialog settings key for the most recent location
	*/
	private static final String SETTINGS_LOCATION_1 = "location1"; //$NON-NLS-1$

	/**
	* Dialog settings key for the second most recent location
	*/
	private static final String SETTINGS_LOCATION_2 = "location2"; //$NON-NLS-1$

	/**
	* Dialog settings key for the third most recent location
	*/
	private static final String SETTINGS_LOCATION_3 = "location3"; //$NON-NLS-1$

	protected EditDirectoryContainerPage(ITargetLocation container) {
	this();
	fContainer = container;
	}

	protected EditDirectoryContainerPage() {
	super("EditDirectoryContainer"); //$NON-NLS-1$
	}

	public EditDirectoryContainerPage(ITargetLocation container, String name) {
	super(name);
	fContainer = container;
	}

	@Override
	public void createControl(Composite parent) {
	setMessage(getDefaultMessage());
	setTitle(getDefaultTitle());
	setPageComplete(false);
	Composite comp = SWTFactory.createComposite(parent, 1, 1, GridData.FILL_BOTH, 0, 0);
	createLocationArea(comp);
	setControl(comp);
	initializeInputFields(fContainer);
	if ("EditDirectoryContainer".equalsIgnoreCase(getName())) { //$NON-NLS-1$
	if (fContainer == null) {
	PlatformUI.getWorkbench().getHelpSystem().setHelp(comp, IHelpContextIds.LOCATION_ADD_DIRECTORY_WIZARD);
	} else {
	PlatformUI.getWorkbench().getHelpSystem().setHelp(comp, IHelpContextIds.LOCATION_EDIT_DIRECTORY_WIZARD);
	}
	}
	}

	/**
	* @return the default title for this wizard page
	*/
	protected String getDefaultTitle() {
	if (fContainer == null) {
	return Messages.AddDirectoryContainerPage_0;
	}
	return Messages.EditDirectoryContainerPage_0;
	}

	/**
	* @return the default message for this wizard page
	*/
	protected String getDefaultMessage() {
	return Messages.AddDirectoryContainerPage_1;
	}

	/**
	* Creates the area at the top of the page. Contains an entry form for a location path.
	* This method may be overridden by subclasses to provide custom widgets
	* @param parent parent composite
	*/
	protected void createLocationArea(Composite parent) {
	Composite locationComp = SWTFactory.createComposite(parent, 2, 1, GridData.FILL_HORIZONTAL, 0, 0);

	SWTFactory.createLabel(locationComp, Messages.AddDirectoryContainerPage_2, 1);

	fInstallLocation = SWTFactory.createCombo(locationComp, SWT.BORDER, 1, getLocationComboItems());
	fInstallLocation.addModifyListener(e -> {
	// If the text is a combo item, immediately try to resolve, otherwise wait in case they type more
	boolean isItem = false;
	String[] items = fInstallLocation.getItems();
	for (String item : items) {
	if (fInstallLocation.getText().equals(item)) {
	isItem = true;
	break;
	}
	}
	containerChanged(isItem ? 0 : TYPING_DELAY);
	});
	if (fContainer instanceof AbstractBundleContainer) {
	try {
	String location = ((AbstractBundleContainer) fContainer).getLocation(false);
	fInstallLocation.setText(location);
	} catch (CoreException e) {
	setErrorMessage(e.getMessage());
	}

	}

	Composite buttonComp = SWTFactory.createComposite(locationComp, 2, 2, GridData.CENTER, 0, 0);
	GridData gd = (GridData) buttonComp.getLayoutData();
	gd.horizontalAlignment = SWT.RIGHT;

	Button browseButton = SWTFactory.createPushButton(buttonComp, Messages.AddDirectoryContainerPage_3, null);
	browseButton.addSelectionListener(widgetSelectedAdapter(e -> {
	DirectoryDialog dialog = new DirectoryDialog(getShell());
	dialog.setFilterPath(fInstallLocation.getText());
	dialog.setText(Messages.AddDirectoryContainerPage_4);
	dialog.setMessage(Messages.AddDirectoryContainerPage_5);
	String result = dialog.open();
	if (result != null)
	fInstallLocation.setText(result);
	}));

	Button variablesButton = SWTFactory.createPushButton(buttonComp, Messages.EditDirectoryContainerPage_1, null);
	variablesButton.addSelectionListener(widgetSelectedAdapter(e -> {
	StringVariableSelectionDialog dialog = new StringVariableSelectionDialog(getShell());
	dialog.open();
	String variable = dialog.getVariableExpression();
	if (variable != null) {
	fInstallLocation.setText(fInstallLocation.getText() + variable);
	}
	}));
	}

	/**
	* Initializes the fields use to describe the container. They should be filled in using
	* the given container or set to default values if the container is <code>null</code>.
	* @param container bundle container being edited, possibly <code>null</code>
	*/
	protected void initializeInputFields(ITargetLocation container) {
	if (container instanceof AbstractBundleContainer) {
	try {
	String currentLocation = ((AbstractBundleContainer) container).getLocation(false);
	boolean found = false;
	String[] items = fInstallLocation.getItems();
	for (String item : items) {
	if (item.equals(currentLocation)) {
	found = true;
	break;
	}
	}
	if (!found) {
	fInstallLocation.add(currentLocation);
	}
	fInstallLocation.setText(currentLocation);

	containerChanged(0);
	} catch (CoreException e) {
	PDEPlugin.log(e);
	}
	} else {
	fInstallLocation.setText(""); //$NON-NLS-1$
	}
	}

	/**
	* @return a list of previous locations from settings plus the default location
	*/
	private String[] getLocationComboItems() {
	List<String> previousLocations = new ArrayList<>(4);
	IDialogSettings settings = getDialogSettings();
	if (settings != null) {
	String location = settings.get(SETTINGS_LOCATION_1);
	if (location != null) {
	previousLocations.add(location);
	}
	location = settings.get(SETTINGS_LOCATION_2);
	if (location != null) {
	previousLocations.add(location);
	}
	location = settings.get(SETTINGS_LOCATION_3);
	if (location != null) {
	previousLocations.add(location);
	}
	}
	previousLocations.add(getDefaultLocation());
	return previousLocations.toArray(new String[previousLocations.size()]);
	}

	/**
	* @return the default text to add as a combo item to the location combo
	*/
	protected String getDefaultLocation() {
	return "${eclipse_home}"; //$NON-NLS-1$
	}

	@Override
	public void storeSettings() {
	String newLocation = fInstallLocation.getText().trim();

	int length = newLocation.length();
	if (length > 0 && newLocation.charAt(length - 1) == File.separatorChar) {
	newLocation = newLocation.substring(0, length - 1);
	}
	String[] items = fInstallLocation.getItems();
	for (String item : items) {
	if (item.equals(newLocation)) {
	// Already have this location stored
	return;
	}
	}
	IDialogSettings settings = getDialogSettings();
	if (settings != null) {
	String location = settings.get(SETTINGS_LOCATION_2);
	if (location != null) {
	settings.put(SETTINGS_LOCATION_3, location);
	}
	location = settings.get(SETTINGS_LOCATION_1);
	if (location != null) {
	settings.put(SETTINGS_LOCATION_2, location);
	}
	settings.put(SETTINGS_LOCATION_1, newLocation);
	}
	}

	@Override
	public ITargetLocation getBundleContainer() {
	return fContainer;
	}

	/**
	* Called whenever the location or another aspect of the container has changed
	* in the UI. Will schedule a UIJob to verify and resolve the container
	* reporting any problems to the user. If a previous job is running or sleeping
	* it will be cancelled.
	*
	* @param delay a delay to add to the job scheduling
	*/
	protected void containerChanged(long delay) {
	if (fTextChangedJob == null) {
	fTextChangedJob = new CreateContainerJob(getShell().getDisplay(), Messages.EditDirectoryContainerPage_3);
	} else {
	fTextChangedJob.cancel();
	}
	fTextChangedJob.schedule(delay);
	}

	/**
	* Validate the input fields before a container is created/edited.
	* The page's enablement, message and completion should be updated.
	*
	* @return whether the finish button should be enabled and container creation should continue
	*/
	protected boolean validateInput() {
	if (fInstallLocation.isDisposed())
	return false;

	// Check if the text field is blank
	if (fInstallLocation.getText().trim().length() == 0) {
	setMessage(getDefaultMessage());
	return false;
	}

	// Resolve any variables
	String locationString = null;
	try {
	locationString = VariablesPlugin.getDefault().getStringVariableManager().performStringSubstitution(fInstallLocation.getText().trim());
	} catch (CoreException e) {
	setMessage(e.getMessage(), IMessageProvider.WARNING);
	return true;
	}
	File location = new File(locationString);

	// Check if directory exists
	if (!location.isDirectory()) {
	setMessage(Messages.AddDirectoryContainerPage_6, IMessageProvider.WARNING);
	} else {
	setMessage(getDefaultMessage());
	}
	return true;
	}

	/**
	* Returns a bundle container based on the current inputs to the wizard.
	* If a previous container is supplied, any relevant information it stores
	* should be copied to the new container.
	*
	* @param previous previous container to grab information from or <code>null</code> if a new container should be created
	* @return a new or modified bundle container
	* @throws CoreException
	*/
	protected ITargetLocation createContainer(ITargetLocation previous) throws CoreException {
	return getTargetPlatformService().newDirectoryLocation(fInstallLocation.getText());
	}

	/**
	* Gets the target platform service provided by PDE Core
	* @return the target platform service
	* @throws CoreException if unable to acquire the service
	*/
	protected static ITargetPlatformService getTargetPlatformService() throws CoreException {
	if (fTargetService == null) {
	fTargetService = (ITargetPlatformService) PDECore.getDefault().acquireService(ITargetPlatformService.class.getName());
	if (fTargetService == null) {
	throw new CoreException(new Status(IStatus.ERROR, PDECore.PLUGIN_ID, Messages.AddDirectoryContainerPage_9));
	}
	}
	return fTargetService;
	}

	private class CreateContainerJob extends UIJob {
	public CreateContainerJob(Display jobDisplay, String name) {
	super(jobDisplay, name);
	}

	@Override
	public IStatus runInUIThread(IProgressMonitor monitor) {
	if (monitor.isCanceled()) {
	return Status.CANCEL_STATUS;
	}

	try {
	// Validate the location and any other text fields
	if (validateInput()) {
	// Create a container from the input
	fContainer = createContainer(fContainer);
	setPageComplete(true);
	} else {
	fContainer = null;
	setPageComplete(false);
	}
	return Status.OK_STATUS;
	} catch (CoreException e) {
	fContainer = null;
	setErrorMessage(e.getMessage());
	setPageComplete(false);
	return e.getStatus();
	}
	}
	}

	}