plugins/org.eclipse.jst.j2ee.ui/j2ee_ui/org/eclipse/jst/j2ee/internal/wizard/EARComponentImportOptionsPage.java - gerrit/jeetools/webtools.javaee - Git at Google

 /*******************************************************************************
  * Copyright (c) 2003, 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
  *******************************************************************************/
 /*
  * Created on Dec 8, 2003
  *
  * To change the template for this generated file go to Window>Preferences>Java>Code Generation>Code and Comments
  */
 package org.eclipse.jst.j2ee.internal.wizard;

 import java.io.File;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;

 import org.eclipse.jface.viewers.CheckStateChangedEvent;
 import org.eclipse.jface.viewers.CheckboxTableViewer;
 import org.eclipse.jface.viewers.ICheckStateListener;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.viewers.TableLayout;
 import org.eclipse.jst.j2ee.datamodel.properties.IEARComponentImportDataModelProperties;
 import org.eclipse.jst.j2ee.datamodel.properties.IJ2EEComponentImportDataModelProperties;
 import org.eclipse.jst.j2ee.internal.actions.IJ2EEUIContextIds;
 import org.eclipse.jst.j2ee.internal.archive.ArchiveWrapper;
 import org.eclipse.jst.j2ee.internal.plugin.J2EEUIMessages;
 import org.eclipse.jst.j2ee.internal.plugin.J2EEUIPlugin;
 import org.eclipse.jst.j2ee.internal.plugin.J2EEUIPluginIcons;
 import org.eclipse.swt.SWT;
 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.Group;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.wst.common.frameworks.datamodel.DataModelEvent;
 import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
 import org.eclipse.wst.common.frameworks.datamodel.IDataModelListener;
 import org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelWizardPage;

 /**
  * @author cbridgha
  *
  * To change the template for this generated type comment go to Window>Preferences>Java>Code
  * Generation>Code and Comments
  */
 public class EARComponentImportOptionsPage extends DataModelWizardPage {
 	private Button deselectAllButton;
 	private Button selectAllButton;
 	private Label moduleProjectLocationLabel;
 	protected Button browseButton;
 	protected Button useAlternateRootBtn;
 	protected Text systemDefaultText;
 	protected ArchiveWrapper aWrapper;
 	public CheckboxTableViewer availableJARsViewer;
 	public boolean utilJarSelectionChanged = false;

 	/**
 	 * @param model
 	 * @param pageName
 	 */
 	public EARComponentImportOptionsPage(IDataModel model, String pageName) {
 		super(model, pageName);
 		setTitle(J2EEUIMessages.getResourceString(J2EEUIMessages.EAR_IMPORT_MAIN_PG_TITLE));
 		setDescription(J2EEUIMessages.getResourceString(J2EEUIMessages.EAR_IMPORT_MAIN_PG_DESC));
 		setImageDescriptor(J2EEUIPlugin.getDefault().getImageDescriptor(J2EEUIPluginIcons.EAR_IMPORT_WIZARD_BANNER));
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.wst.common.frameworks.internal.ui.wizard.WTPWizardPage#createTopLevelComposite(org.eclipse.swt.widgets.Composite)
 	 */
 	protected Composite createTopLevelComposite(Composite parent) {
 		Composite composite = new Composite(parent, SWT.NONE);
 		setInfopopID(IJ2EEUIContextIds.IMPORT_EAR_WIZARD_P2);
 		GridLayout layout = new GridLayout();
 		composite.setLayout(layout);
 		composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		createJARsComposite(composite);
 		createProjectRootComposite(composite);

 		return composite;
 	}

 	/*
 	 * Updates the enable state of the all buttons
 	 */
 	protected void updateButtonEnablements() {
 		utilJarSelectionChanged = true;
 	}

 	protected void createAvailableJarsList(Composite listGroup) {
 		availableJARsViewer = CheckboxTableViewer.newCheckList(listGroup, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
 		GridData gData = new GridData(GridData.FILL_BOTH | GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL);
 		gData.widthHint = 200;
 		gData.heightHint = 80;
 		availableJARsViewer.getControl().setLayoutData(gData);
 		AvailableUtilJarsAndWebLibProvider availableUtilJARsProvider = new AvailableUtilJarsAndWebLibProvider();
 		availableJARsViewer.setContentProvider(availableUtilJARsProvider);
 		availableJARsViewer.setLabelProvider(availableUtilJARsProvider);
 		availableJARsViewer.addCheckStateListener(new ICheckStateListener() {
 			public void checkStateChanged(CheckStateChangedEvent event) {
 				availableJARCheckStateChanged(event);
 			}
 		});
 		availableJARsViewer.addSelectionChangedListener(new ISelectionChangedListener() {
 			public void selectionChanged(SelectionChangedEvent event) {
 				updateButtonEnablements();
 			}
 		});
 		TableLayout tableLayout = new TableLayout();
 		availableJARsViewer.getTable().setLayout(tableLayout);
 		availableJARsViewer.getTable().setHeaderVisible(false);
 		availableJARsViewer.getTable().setLinesVisible(false);

 		model.addListener(new IDataModelListener() {
 			public void propertyChanged(DataModelEvent event) {
 				if (event.getPropertyName().equals(IEARComponentImportDataModelProperties.UTILITY_LIST)) {
 					availableJARsViewer.setCheckedElements(((List) model.getProperty(IEARComponentImportDataModelProperties.UTILITY_LIST)).toArray());
 				}
 			}
 		});
 	}

 	private void handleDeselectAllButtonPressed() {
 		ArrayList emptySelection = new ArrayList(2);
 		model.setProperty(IEARComponentImportDataModelProperties.UTILITY_LIST, emptySelection);
 		validatePage();
 	}

 	private void handleSelectAllButtonPressed() {
 		ArrayList allSelection = new ArrayList(2);
 		Object selection = null;
 		for (int i = 0; (null != (selection = availableJARsViewer.getElementAt(i))); i++) {
 			allSelection.add(selection);
 		}
 		model.setProperty(IEARComponentImportDataModelProperties.UTILITY_LIST, allSelection);
 		validatePage();
 	}

 	/**
 	 * Open an appropriate directory browser
 	 */
 	protected void handleBrowseButtonPressed() {
 		DirectoryDialog dialog = new DirectoryDialog(browseButton.getShell());
 		dialog.setMessage(J2EEUIMessages.getResourceString(J2EEUIMessages.SELECT_DIRECTORY_DLG));

 		String dirName = getBrowseStartLocation();

 		if (!isNullOrEmpty(dirName)) {
 			File path = new File(dirName);
 			if (path.exists())
 				dialog.setFilterPath(dirName);
 		}

 		String selectedDirectory = dialog.open();
 		if (selectedDirectory != null)
 			systemDefaultText.setText(selectedDirectory);

 	}

 	protected String getBrowseStartLocation() {
 		String text = systemDefaultText.getText();
 		return text;
 	}

 	protected void createButtonsGroup(Composite parent) {
 		Composite buttonGroup = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 2;
 		buttonGroup.setLayout(layout);
 		buttonGroup.setLayoutData(new GridData(GridData.FILL_BOTH));

 		selectAllButton = new Button(buttonGroup, SWT.PUSH);
 		selectAllButton.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.EAR_IMPORT_SELECT_ALL_UTIL_BUTTON));
 		GridData gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL);
 		gd.widthHint = 140;
 		selectAllButton.setLayoutData(gd);
 		selectAllButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				handleSelectAllButtonPressed();
 			}
 		});

 		deselectAllButton = new Button(buttonGroup, SWT.PUSH);
 		deselectAllButton.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.EAR_IMPORT_DESELECT_ALL_UTIL_BUTTON));
 		gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL);
 		gd.widthHint = 140;
 		deselectAllButton.setLayoutData(gd);
 		deselectAllButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				handleDeselectAllButtonPressed();
 			}
 		});
 	}

 	protected void createJARsComposite(Composite parent) {
 		Group group = new Group(parent, SWT.NULL);
 		group.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.EAR_IMPORT_JARS_GROUP));
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 1;
 		group.setLayout(layout);
 		group.setLayoutData(new GridData(GridData.FILL_BOTH));

 		Label description = new Label(group, SWT.NULL);
 		description.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.EAR_IMPORT_SELECT_UTIL_JARS_TO_BE_PROJECTS));
 		GridData gd2 = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
 		gd2.horizontalSpan = 3;
 		description.setLayoutData(gd2);

 		// create jars check box viewer
 		createAvailableJarsList(group);
 		createButtonsGroup(group);
 	}

 	protected void createProjectRootComposite(Composite parent) {
 		Group group = new Group(parent, SWT.NULL);
 		group.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.PROJECT_LOCATIONS_GROUP));
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 3;
 		group.setLayout(layout);
 		group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		Label description = new Label(group, SWT.NULL);
 		description.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.NEW_PROJECT_GROUP_DESCRIPTION));
 		GridData gd2 = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
 		gd2.horizontalSpan = 3;
 		description.setLayoutData(gd2);

 		moduleProjectLocationLabel = new Label(group, SWT.NULL);
 		moduleProjectLocationLabel.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.USE_DEFAULT_ROOT_RADIO));
 		moduleProjectLocationLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

 		systemDefaultText = new Text(group, SWT.READ_ONLY | SWT.WRAP | SWT.BORDER);
 		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
 		systemDefaultText.setLayoutData(gd);
 		synchHelper.synchText(systemDefaultText, IEARComponentImportDataModelProperties.NESTED_MODULE_ROOT, null);

 		browseButton = new Button(group, SWT.PUSH);
 		browseButton.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.BROWSE_LABEL));
 		gd = new GridData(GridData.HORIZONTAL_ALIGN_END);
 		browseButton.setLayoutData(gd);
 		browseButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				handleBrowseButtonPressed();
 			}
 		});
 	}

 	private void refreshEARFileIfNecessary() {
 		if (isEARFileChanged()) {
 			aWrapper = (ArchiveWrapper) model.getProperty(IJ2EEComponentImportDataModelProperties.ARCHIVE_WRAPPER);
 			refresh();
 		}
 	}

 	protected void setJARsCompositeEnabled(boolean enabled) {
 		availableJARsViewer.getTable().setEnabled(enabled);
 		availableJARsViewer.setAllChecked(false);
 		availableJARsViewer.setAllGrayed(!enabled);
 		selectAllButton.setEnabled(enabled);
 		deselectAllButton.setEnabled(enabled);
 	}

 	private void refresh() {
 		availableJARsViewer.setInput(aWrapper);
 	}

 	public boolean isEARFileChanged() {
 		return aWrapper != model.getProperty(IJ2EEComponentImportDataModelProperties.ARCHIVE_WRAPPER);
 	}

 	protected void enter() {
 		super.enter();
 		refreshEARFileIfNecessary();
 	}

 	public void availableJARCheckStateChanged(CheckStateChangedEvent event) {
 		model.setProperty(IEARComponentImportDataModelProperties.UTILITY_LIST, getJARsForProjects());
 		validatePage();
 	}

 	public List getJARsForProjects() {
 		refreshEARFileIfNecessary();
 		List result = new ArrayList();
 		result.addAll(Arrays.asList(availableJARsViewer.getCheckedElements()));
 		return result;
 	}

 	protected boolean isNullOrEmpty(String aString) {
 		return aString == null || aString.length() == 0;
 	}

 	protected String[] getValidationPropertyNames() {
 		return new String[]{};
 	}

 	protected void restoreWidgetValues() {
 		// This page doesn't implement...
 	}

 	public void storeDefaultSettings() {
 		// This page doesn't implement...
 	}


 }
	/*******************************************************************************
	* Copyright (c) 2003, 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
	*******************************************************************************/
	/*
	* Created on Dec 8, 2003
	*
	* To change the template for this generated file go to Window>Preferences>Java>Code Generation>Code and Comments
	*/
	package org.eclipse.jst.j2ee.internal.wizard;

	import java.io.File;
	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.List;

	import org.eclipse.jface.viewers.CheckStateChangedEvent;
	import org.eclipse.jface.viewers.CheckboxTableViewer;
	import org.eclipse.jface.viewers.ICheckStateListener;
	import org.eclipse.jface.viewers.ISelectionChangedListener;
	import org.eclipse.jface.viewers.SelectionChangedEvent;
	import org.eclipse.jface.viewers.TableLayout;
	import org.eclipse.jst.j2ee.datamodel.properties.IEARComponentImportDataModelProperties;
	import org.eclipse.jst.j2ee.datamodel.properties.IJ2EEComponentImportDataModelProperties;
	import org.eclipse.jst.j2ee.internal.actions.IJ2EEUIContextIds;
	import org.eclipse.jst.j2ee.internal.archive.ArchiveWrapper;
	import org.eclipse.jst.j2ee.internal.plugin.J2EEUIMessages;
	import org.eclipse.jst.j2ee.internal.plugin.J2EEUIPlugin;
	import org.eclipse.jst.j2ee.internal.plugin.J2EEUIPluginIcons;
	import org.eclipse.swt.SWT;
	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.Group;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.wst.common.frameworks.datamodel.DataModelEvent;
	import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
	import org.eclipse.wst.common.frameworks.datamodel.IDataModelListener;
	import org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelWizardPage;

	/**
	* @author cbridgha
	*
	* To change the template for this generated type comment go to Window>Preferences>Java>Code
	* Generation>Code and Comments
	*/
	public class EARComponentImportOptionsPage extends DataModelWizardPage {
	private Button deselectAllButton;
	private Button selectAllButton;
	private Label moduleProjectLocationLabel;
	protected Button browseButton;
	protected Button useAlternateRootBtn;
	protected Text systemDefaultText;
	protected ArchiveWrapper aWrapper;
	public CheckboxTableViewer availableJARsViewer;
	public boolean utilJarSelectionChanged = false;

	/**
	* @param model
	* @param pageName
	*/
	public EARComponentImportOptionsPage(IDataModel model, String pageName) {
	super(model, pageName);
	setTitle(J2EEUIMessages.getResourceString(J2EEUIMessages.EAR_IMPORT_MAIN_PG_TITLE));
	setDescription(J2EEUIMessages.getResourceString(J2EEUIMessages.EAR_IMPORT_MAIN_PG_DESC));
	setImageDescriptor(J2EEUIPlugin.getDefault().getImageDescriptor(J2EEUIPluginIcons.EAR_IMPORT_WIZARD_BANNER));
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.wst.common.frameworks.internal.ui.wizard.WTPWizardPage#createTopLevelComposite(org.eclipse.swt.widgets.Composite)
	*/
	protected Composite createTopLevelComposite(Composite parent) {
	Composite composite = new Composite(parent, SWT.NONE);
	setInfopopID(IJ2EEUIContextIds.IMPORT_EAR_WIZARD_P2);
	GridLayout layout = new GridLayout();
	composite.setLayout(layout);
	composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	createJARsComposite(composite);
	createProjectRootComposite(composite);

	return composite;
	}

	/*
	* Updates the enable state of the all buttons
	*/
	protected void updateButtonEnablements() {
	utilJarSelectionChanged = true;
	}

	protected void createAvailableJarsList(Composite listGroup) {
	availableJARsViewer = CheckboxTableViewer.newCheckList(listGroup, SWT.BORDER \| SWT.H_SCROLL \| SWT.V_SCROLL);
	GridData gData = new GridData(GridData.FILL_BOTH \| GridData.GRAB_HORIZONTAL \| GridData.GRAB_VERTICAL);
	gData.widthHint = 200;
	gData.heightHint = 80;
	availableJARsViewer.getControl().setLayoutData(gData);
	AvailableUtilJarsAndWebLibProvider availableUtilJARsProvider = new AvailableUtilJarsAndWebLibProvider();
	availableJARsViewer.setContentProvider(availableUtilJARsProvider);
	availableJARsViewer.setLabelProvider(availableUtilJARsProvider);
	availableJARsViewer.addCheckStateListener(new ICheckStateListener() {
	public void checkStateChanged(CheckStateChangedEvent event) {
	availableJARCheckStateChanged(event);
	}
	});
	availableJARsViewer.addSelectionChangedListener(new ISelectionChangedListener() {
	public void selectionChanged(SelectionChangedEvent event) {
	updateButtonEnablements();
	}
	});
	TableLayout tableLayout = new TableLayout();
	availableJARsViewer.getTable().setLayout(tableLayout);
	availableJARsViewer.getTable().setHeaderVisible(false);
	availableJARsViewer.getTable().setLinesVisible(false);

	model.addListener(new IDataModelListener() {
	public void propertyChanged(DataModelEvent event) {
	if (event.getPropertyName().equals(IEARComponentImportDataModelProperties.UTILITY_LIST)) {
	availableJARsViewer.setCheckedElements(((List) model.getProperty(IEARComponentImportDataModelProperties.UTILITY_LIST)).toArray());
	}
	}
	});
	}

	private void handleDeselectAllButtonPressed() {
	ArrayList emptySelection = new ArrayList(2);
	model.setProperty(IEARComponentImportDataModelProperties.UTILITY_LIST, emptySelection);
	validatePage();
	}

	private void handleSelectAllButtonPressed() {
	ArrayList allSelection = new ArrayList(2);
	Object selection = null;
	for (int i = 0; (null != (selection = availableJARsViewer.getElementAt(i))); i++) {
	allSelection.add(selection);
	}
	model.setProperty(IEARComponentImportDataModelProperties.UTILITY_LIST, allSelection);
	validatePage();
	}

	/**
	* Open an appropriate directory browser
	*/
	protected void handleBrowseButtonPressed() {
	DirectoryDialog dialog = new DirectoryDialog(browseButton.getShell());
	dialog.setMessage(J2EEUIMessages.getResourceString(J2EEUIMessages.SELECT_DIRECTORY_DLG));

	String dirName = getBrowseStartLocation();

	if (!isNullOrEmpty(dirName)) {
	File path = new File(dirName);
	if (path.exists())
	dialog.setFilterPath(dirName);
	}

	String selectedDirectory = dialog.open();
	if (selectedDirectory != null)
	systemDefaultText.setText(selectedDirectory);

	}

	protected String getBrowseStartLocation() {
	String text = systemDefaultText.getText();
	return text;
	}

	protected void createButtonsGroup(Composite parent) {
	Composite buttonGroup = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	buttonGroup.setLayout(layout);
	buttonGroup.setLayoutData(new GridData(GridData.FILL_BOTH));

	selectAllButton = new Button(buttonGroup, SWT.PUSH);
	selectAllButton.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.EAR_IMPORT_SELECT_ALL_UTIL_BUTTON));
	GridData gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL \| GridData.VERTICAL_ALIGN_FILL);
	gd.widthHint = 140;
	selectAllButton.setLayoutData(gd);
	selectAllButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	handleSelectAllButtonPressed();
	}
	});

	deselectAllButton = new Button(buttonGroup, SWT.PUSH);
	deselectAllButton.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.EAR_IMPORT_DESELECT_ALL_UTIL_BUTTON));
	gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL \| GridData.VERTICAL_ALIGN_FILL);
	gd.widthHint = 140;
	deselectAllButton.setLayoutData(gd);
	deselectAllButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	handleDeselectAllButtonPressed();
	}
	});
	}

	protected void createJARsComposite(Composite parent) {
	Group group = new Group(parent, SWT.NULL);
	group.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.EAR_IMPORT_JARS_GROUP));
	GridLayout layout = new GridLayout();
	layout.numColumns = 1;
	group.setLayout(layout);
	group.setLayoutData(new GridData(GridData.FILL_BOTH));

	Label description = new Label(group, SWT.NULL);
	description.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.EAR_IMPORT_SELECT_UTIL_JARS_TO_BE_PROJECTS));
	GridData gd2 = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
	gd2.horizontalSpan = 3;
	description.setLayoutData(gd2);

	// create jars check box viewer
	createAvailableJarsList(group);
	createButtonsGroup(group);
	}

	protected void createProjectRootComposite(Composite parent) {
	Group group = new Group(parent, SWT.NULL);
	group.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.PROJECT_LOCATIONS_GROUP));
	GridLayout layout = new GridLayout();
	layout.numColumns = 3;
	group.setLayout(layout);
	group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	Label description = new Label(group, SWT.NULL);
	description.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.NEW_PROJECT_GROUP_DESCRIPTION));
	GridData gd2 = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
	gd2.horizontalSpan = 3;
	description.setLayoutData(gd2);

	moduleProjectLocationLabel = new Label(group, SWT.NULL);
	moduleProjectLocationLabel.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.USE_DEFAULT_ROOT_RADIO));
	moduleProjectLocationLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

	systemDefaultText = new Text(group, SWT.READ_ONLY \| SWT.WRAP \| SWT.BORDER);
	GridData gd = new GridData(GridData.FILL_HORIZONTAL);
	systemDefaultText.setLayoutData(gd);
	synchHelper.synchText(systemDefaultText, IEARComponentImportDataModelProperties.NESTED_MODULE_ROOT, null);

	browseButton = new Button(group, SWT.PUSH);
	browseButton.setText(J2EEUIMessages.getResourceString(J2EEUIMessages.BROWSE_LABEL));
	gd = new GridData(GridData.HORIZONTAL_ALIGN_END);
	browseButton.setLayoutData(gd);
	browseButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	handleBrowseButtonPressed();
	}
	});
	}

	private void refreshEARFileIfNecessary() {
	if (isEARFileChanged()) {
	aWrapper = (ArchiveWrapper) model.getProperty(IJ2EEComponentImportDataModelProperties.ARCHIVE_WRAPPER);
	refresh();
	}
	}

	protected void setJARsCompositeEnabled(boolean enabled) {
	availableJARsViewer.getTable().setEnabled(enabled);
	availableJARsViewer.setAllChecked(false);
	availableJARsViewer.setAllGrayed(!enabled);
	selectAllButton.setEnabled(enabled);
	deselectAllButton.setEnabled(enabled);
	}

	private void refresh() {
	availableJARsViewer.setInput(aWrapper);
	}

	public boolean isEARFileChanged() {
	return aWrapper != model.getProperty(IJ2EEComponentImportDataModelProperties.ARCHIVE_WRAPPER);
	}

	protected void enter() {
	super.enter();
	refreshEARFileIfNecessary();
	}

	public void availableJARCheckStateChanged(CheckStateChangedEvent event) {
	model.setProperty(IEARComponentImportDataModelProperties.UTILITY_LIST, getJARsForProjects());
	validatePage();
	}

	public List getJARsForProjects() {
	refreshEARFileIfNecessary();
	List result = new ArrayList();
	result.addAll(Arrays.asList(availableJARsViewer.getCheckedElements()));
	return result;
	}

	protected boolean isNullOrEmpty(String aString) {
	return aString == null \|\| aString.length() == 0;
	}

	protected String[] getValidationPropertyNames() {
	return new String[]{};
	}

	protected void restoreWidgetValues() {
	// This page doesn't implement...
	}

	public void storeDefaultSettings() {
	// This page doesn't implement...
	}



	}