org.eclipse.jdt.debug.ui/ui/org/eclipse/jdt/debug/ui/launchConfigurations/AppletMainTab.java - jdt/eclipse.jdt.debug - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 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.jdt.debug.ui.launchConfigurations;

 import java.lang.reflect.InvocationTargetException;

 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.debug.core.ILaunchConfiguration;
 import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
 import org.eclipse.jdt.core.IJavaElement;
 import org.eclipse.jdt.core.IJavaProject;
 import org.eclipse.jdt.core.IType;
 import org.eclipse.jdt.core.JavaCore;
 import org.eclipse.jdt.core.JavaModelException;
 import org.eclipse.jdt.internal.debug.ui.IJavaDebugHelpContextIds;
 import org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin;
 import org.eclipse.jdt.internal.debug.ui.SWTFactory;
 import org.eclipse.jdt.internal.debug.ui.launcher.AppletLaunchConfigurationUtils;
 import org.eclipse.jdt.internal.debug.ui.launcher.DebugTypeSelectionDialog;
 import org.eclipse.jdt.internal.debug.ui.launcher.LauncherMessages;
 import org.eclipse.jdt.internal.debug.ui.launcher.SharedJavaMainTab;
 import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
 import org.eclipse.jdt.launching.IVMInstall;
 import org.eclipse.jdt.launching.JavaRuntime;
 import org.eclipse.jdt.ui.ISharedImages;
 import org.eclipse.jdt.ui.JavaUI;
 import org.eclipse.jface.window.Window;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.graphics.Image;
 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.Group;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.PlatformUI;

 /**
  * This tab appears for Java applet launch configurations and allows the user to edit
  * attributes such as the applet class to launch and its owning project, if any.
  * <p>
  * This class may be instantiated. This class is not intended to be sub-classed.
  * </p>
  * @since 2.1
  */
 public class AppletMainTab extends SharedJavaMainTab {

 	// Applet viewer UI widgets
 	private Text fAppletViewerClassText;
 	private Button fAppletViewerClassDefaultButton;

 	/**
 	 * Creates the applet viewer control area
 	 * @param parent the composite to add this control to
 	 */
 	private void createAppletViewerControl(Composite parent) {
 		Font font = parent.getFont();
 		Group group = SWTFactory.createGroup(parent, LauncherMessages.AppletMainTab_1, 2, 1, GridData.FILL_HORIZONTAL);
 		Composite comp = SWTFactory.createComposite(group, font, 2, 2, GridData.FILL_BOTH, 0, 0);
 		fAppletViewerClassText= SWTFactory.createSingleText(comp, 2);
 		fAppletViewerClassText.addModifyListener(getDefaultListener());
 		createVerticalSpacer(comp, 1);
 		fAppletViewerClassDefaultButton= createCheckButton(comp, LauncherMessages.AppletMainTab_2);
 		fAppletViewerClassDefaultButton.addSelectionListener(new SelectionListener() {
 			public void widgetDefaultSelected(SelectionEvent e) {}
 			public void widgetSelected(SelectionEvent e) {
 				handleAppletViewerClassDefaultSelected();
 			}
 		});
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#createControl(org.eclipse.swt.widgets.Composite)
 	 */
 	public void createControl(Composite parent) {
 		Composite projComp = SWTFactory.createComposite(parent, parent.getFont(), 1, 1, GridData.FILL_BOTH);
 		((GridLayout)projComp.getLayout()).verticalSpacing = 0;
 		createProjectEditor(projComp);
 		createVerticalSpacer(projComp, 1);
 		createMainTypeEditor(projComp, LauncherMessages.appletlauncher_maintab_mainclasslabel_name);
 		createVerticalSpacer(projComp, 1);
 		createAppletViewerControl(projComp);
 		setControl(projComp);
 		PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IJavaDebugHelpContextIds.LAUNCH_CONFIGURATION_DIALOG_APPLET_MAIN_TAB);
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.debug.ui.AbstractLaunchConfigurationTab#getImage()
 	 */
 	public Image getImage() {
 		return JavaUI.getSharedImages().getImage(ISharedImages.IMG_OBJS_CLASS);
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getName()
 	 */
 	public String getName() {
 		return LauncherMessages.appletlauncher_maintab_name;
 	}

 	/**
 	 * When the "use default" button is selected, update the "applet viewer class" text.
 	 */
 	private void handleAppletViewerClassDefaultSelected() {
 		setAppletViewerTextEnabledState();
 		if (isDefaultAppletViewerClassName()) {
 			fAppletViewerClassText.setText(IJavaLaunchConfigurationConstants.DEFAULT_APPLETVIEWER_CLASS);
 		}
 		else {
 			fAppletViewerClassText.setText(EMPTY_STRING);
 		}
 	}

 	/**
 	 * Show a dialog that lists all main types
 	 */
 	protected void handleSearchButtonSelected() {
 		IJavaElement[] scope= null;
 		IJavaProject project = getJavaProject();
 		if (project == null) {
 			try {
 				scope = JavaCore.create(ResourcesPlugin.getWorkspace().getRoot()).getJavaProjects();
 			}
 			catch (JavaModelException e) {
 				setErrorMessage(e.getMessage());
 				return;
 			}
 		}
 		else {
 			scope = new IJavaElement[]{project};
 		}
 		IType[] types = null;
 		try {
 			types = AppletLaunchConfigurationUtils.findApplets(getLaunchConfigurationDialog(), scope);
 		}
 		catch (InterruptedException e) {return;}
 		catch (InvocationTargetException e) {
 			setErrorMessage(e.getTargetException().getMessage());
 			return;
 		}
 		DebugTypeSelectionDialog dialog = new DebugTypeSelectionDialog(getShell(), types, LauncherMessages.appletlauncher_maintab_selection_applet_dialog_title);
 		if (dialog.open() == Window.CANCEL) {
 			return;
 		}
 		Object[] results = dialog.getResult();
 		IType type = (IType)results[0];
 		if (type != null) {
 			fMainText.setText(type.getFullyQualifiedName());
 			fProjText.setText(type.getJavaProject().getElementName());
 		}
 	}

 	/**
 	 * Initialize the applet viewer class name attribute.
 	 */
 	private void initializeAppletViewerClass(ILaunchConfigurationWorkingCopy config) {
 		config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_APPLET_APPLETVIEWER_CLASS, (String)null);
 	}

 	/**
 	 * Initialize default attribute values based on the
 	 * given Java element.
 	 */
 	private void initializeDefaults(IJavaElement javaElement, ILaunchConfigurationWorkingCopy config) {
 		initializeJavaProject(javaElement, config);
 		initializeMainTypeAndName(javaElement, config);
 		initializeHardCodedDefaults(config);
 		initializeAppletViewerClass(config);
 	}

 	/**
 	 * Set the VM attributes on the working copy based on the workbench default VM.
 	 */
 	private void initializeDefaultVM(ILaunchConfigurationWorkingCopy config) {
 		IVMInstall vmInstall= JavaRuntime.getDefaultVMInstall();
 		if (vmInstall == null) {
 			config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_VM_INSTALL_NAME, (String)null);
 			config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_VM_INSTALL_TYPE, (String)null);
 		}
 		else {
 			config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_VM_INSTALL_NAME, vmInstall.getName());
 			config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_VM_INSTALL_TYPE, vmInstall.getVMInstallType().getId());
 		}
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.jdt.internal.debug.ui.launcher.AbstractJavaMainTab#initializeFrom(org.eclipse.debug.core.ILaunchConfiguration)
 	 */
 	public void initializeFrom(ILaunchConfiguration config) {
 		super.initializeFrom(config);
 		updateMainTypeFromConfig(config);
 		updateAppletViewerClassNameFromConfig(config);
 	}

 	/**
 	 * Initialize those attributes whose default values are independent of any context.
 	 */
 	private void initializeHardCodedDefaults(ILaunchConfigurationWorkingCopy config) {
 		initializeDefaultVM(config);
 	}

 	/**
 	 * Returns whether the default applet viewer is to be used
 	 */
 	private boolean isDefaultAppletViewerClassName() {
 		return fAppletViewerClassDefaultButton.getSelection();
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.debug.ui.AbstractLaunchConfigurationTab#isValid(org.eclipse.debug.core.ILaunchConfiguration)
 	 */
 	public boolean isValid(ILaunchConfiguration launchConfig) {
 		setErrorMessage(null);
 		setMessage(null);
 		String name= fProjText.getText().trim();
 		if (name.length() > 0) {
 			if (!ResourcesPlugin.getWorkspace().getRoot().getProject(name).exists()) {
 				setErrorMessage(LauncherMessages.appletlauncher_maintab_project_error_doesnotexist);
 				return false;
 			}
 		}
 		name = fMainText.getText().trim();
 		if (name.length() == 0) {
 			setErrorMessage(LauncherMessages.appletlauncher_maintab_type_error_doesnotexist);
 			return false;
 		}
 		name = fAppletViewerClassText.getText().trim();
 		if (name.length() == 0) {
 			setErrorMessage(LauncherMessages.AppletMainTab_3);
 			return false;
 		}
 		return true;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#performApply(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
 	 */
 	public void performApply(ILaunchConfigurationWorkingCopy config) {
 		config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_PROJECT_NAME, fProjText.getText());
 		config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_MAIN_TYPE_NAME, fMainText.getText());
 		mapResources(config);
 		String appletViewerClassName= null;
 		if (!isDefaultAppletViewerClassName()) {
 			appletViewerClassName= fAppletViewerClassText.getText().trim();
 			if (appletViewerClassName.length() <= 0) {
 				appletViewerClassName= null;
 			}
 		}
 		config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_APPLET_APPLETVIEWER_CLASS, appletViewerClassName);
 	}

 	/**
 	 * Set the appropriate enabled state for the applet viewer text widget.
 	 */
 	private void setAppletViewerTextEnabledState() {
 		if (isDefaultAppletViewerClassName()) {
 			fAppletViewerClassText.setEnabled(false);
 		}
 		else {
 			fAppletViewerClassText.setEnabled(true);
 		}
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#setDefaults(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
 	 */
 	public void setDefaults(ILaunchConfigurationWorkingCopy config) {
 		IJavaElement je= getContext();
 		if (je == null) {
 			initializeHardCodedDefaults(config);
 		}
 		else {
 			initializeDefaults(je, config);
 		}
 	}

 	/**
 	 * updates the applet class name from the specified launch configuration
 	 * @param config the config to load the class name attribute from
 	 */
 	private void updateAppletViewerClassNameFromConfig(ILaunchConfiguration config) {
 		String appletViewerClassName = EMPTY_STRING;
 		try {
 			appletViewerClassName= config.getAttribute(IJavaLaunchConfigurationConstants.ATTR_APPLET_APPLETVIEWER_CLASS, EMPTY_STRING);
 			if (appletViewerClassName.equals(EMPTY_STRING)) {
 				fAppletViewerClassText.setText(IJavaLaunchConfigurationConstants.DEFAULT_APPLETVIEWER_CLASS);
 				fAppletViewerClassDefaultButton.setSelection(true);
 			}
 			else {
 				fAppletViewerClassText.setText(appletViewerClassName);
 				fAppletViewerClassDefaultButton.setSelection(false);
 			}
 			setAppletViewerTextEnabledState();
 		}
 		catch (CoreException ce) {JDIDebugUIPlugin.log(ce);}
 	}

 	/**
 	 * @see org.eclipse.debug.ui.AbstractLaunchConfigurationTab#getId()
 	 *
 	 * @since 3.3
 	 */
 	public String getId() {
 		return "org.eclipse.jdt.debug.ui.appletMainTab"; //$NON-NLS-1$
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 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.jdt.debug.ui.launchConfigurations;

	import java.lang.reflect.InvocationTargetException;

	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.debug.core.ILaunchConfiguration;
	import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
	import org.eclipse.jdt.core.IJavaElement;
	import org.eclipse.jdt.core.IJavaProject;
	import org.eclipse.jdt.core.IType;
	import org.eclipse.jdt.core.JavaCore;
	import org.eclipse.jdt.core.JavaModelException;
	import org.eclipse.jdt.internal.debug.ui.IJavaDebugHelpContextIds;
	import org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin;
	import org.eclipse.jdt.internal.debug.ui.SWTFactory;
	import org.eclipse.jdt.internal.debug.ui.launcher.AppletLaunchConfigurationUtils;
	import org.eclipse.jdt.internal.debug.ui.launcher.DebugTypeSelectionDialog;
	import org.eclipse.jdt.internal.debug.ui.launcher.LauncherMessages;
	import org.eclipse.jdt.internal.debug.ui.launcher.SharedJavaMainTab;
	import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
	import org.eclipse.jdt.launching.IVMInstall;
	import org.eclipse.jdt.launching.JavaRuntime;
	import org.eclipse.jdt.ui.ISharedImages;
	import org.eclipse.jdt.ui.JavaUI;
	import org.eclipse.jface.window.Window;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.events.SelectionListener;
	import org.eclipse.swt.graphics.Font;
	import org.eclipse.swt.graphics.Image;
	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.Group;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.PlatformUI;

	/**
	* This tab appears for Java applet launch configurations and allows the user to edit
	* attributes such as the applet class to launch and its owning project, if any.
	* <p>
	* This class may be instantiated. This class is not intended to be sub-classed.
	* </p>
	* @since 2.1
	*/
	public class AppletMainTab extends SharedJavaMainTab {

	// Applet viewer UI widgets
	private Text fAppletViewerClassText;
	private Button fAppletViewerClassDefaultButton;

	/**
	* Creates the applet viewer control area
	* @param parent the composite to add this control to
	*/
	private void createAppletViewerControl(Composite parent) {
	Font font = parent.getFont();
	Group group = SWTFactory.createGroup(parent, LauncherMessages.AppletMainTab_1, 2, 1, GridData.FILL_HORIZONTAL);
	Composite comp = SWTFactory.createComposite(group, font, 2, 2, GridData.FILL_BOTH, 0, 0);
	fAppletViewerClassText= SWTFactory.createSingleText(comp, 2);
	fAppletViewerClassText.addModifyListener(getDefaultListener());
	createVerticalSpacer(comp, 1);
	fAppletViewerClassDefaultButton= createCheckButton(comp, LauncherMessages.AppletMainTab_2);
	fAppletViewerClassDefaultButton.addSelectionListener(new SelectionListener() {
	public void widgetDefaultSelected(SelectionEvent e) {}
	public void widgetSelected(SelectionEvent e) {
	handleAppletViewerClassDefaultSelected();
	}
	});
	}

	/* (non-Javadoc)
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#createControl(org.eclipse.swt.widgets.Composite)
	*/
	public void createControl(Composite parent) {
	Composite projComp = SWTFactory.createComposite(parent, parent.getFont(), 1, 1, GridData.FILL_BOTH);
	((GridLayout)projComp.getLayout()).verticalSpacing = 0;
	createProjectEditor(projComp);
	createVerticalSpacer(projComp, 1);
	createMainTypeEditor(projComp, LauncherMessages.appletlauncher_maintab_mainclasslabel_name);
	createVerticalSpacer(projComp, 1);
	createAppletViewerControl(projComp);
	setControl(projComp);
	PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IJavaDebugHelpContextIds.LAUNCH_CONFIGURATION_DIALOG_APPLET_MAIN_TAB);
	}

	/* (non-Javadoc)
	* @see org.eclipse.debug.ui.AbstractLaunchConfigurationTab#getImage()
	*/
	public Image getImage() {
	return JavaUI.getSharedImages().getImage(ISharedImages.IMG_OBJS_CLASS);
	}

	/* (non-Javadoc)
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#getName()
	*/
	public String getName() {
	return LauncherMessages.appletlauncher_maintab_name;
	}

	/**
	* When the "use default" button is selected, update the "applet viewer class" text.
	*/
	private void handleAppletViewerClassDefaultSelected() {
	setAppletViewerTextEnabledState();
	if (isDefaultAppletViewerClassName()) {
	fAppletViewerClassText.setText(IJavaLaunchConfigurationConstants.DEFAULT_APPLETVIEWER_CLASS);
	}
	else {
	fAppletViewerClassText.setText(EMPTY_STRING);
	}
	}

	/**
	* Show a dialog that lists all main types
	*/
	protected void handleSearchButtonSelected() {
	IJavaElement[] scope= null;
	IJavaProject project = getJavaProject();
	if (project == null) {
	try {
	scope = JavaCore.create(ResourcesPlugin.getWorkspace().getRoot()).getJavaProjects();
	}
	catch (JavaModelException e) {
	setErrorMessage(e.getMessage());
	return;
	}
	}
	else {
	scope = new IJavaElement[]{project};
	}
	IType[] types = null;
	try {
	types = AppletLaunchConfigurationUtils.findApplets(getLaunchConfigurationDialog(), scope);
	}
	catch (InterruptedException e) {return;}
	catch (InvocationTargetException e) {
	setErrorMessage(e.getTargetException().getMessage());
	return;
	}
	DebugTypeSelectionDialog dialog = new DebugTypeSelectionDialog(getShell(), types, LauncherMessages.appletlauncher_maintab_selection_applet_dialog_title);
	if (dialog.open() == Window.CANCEL) {
	return;
	}
	Object[] results = dialog.getResult();
	IType type = (IType)results[0];
	if (type != null) {
	fMainText.setText(type.getFullyQualifiedName());
	fProjText.setText(type.getJavaProject().getElementName());
	}
	}

	/**
	* Initialize the applet viewer class name attribute.
	*/
	private void initializeAppletViewerClass(ILaunchConfigurationWorkingCopy config) {
	config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_APPLET_APPLETVIEWER_CLASS, (String)null);
	}

	/**
	* Initialize default attribute values based on the
	* given Java element.
	*/
	private void initializeDefaults(IJavaElement javaElement, ILaunchConfigurationWorkingCopy config) {
	initializeJavaProject(javaElement, config);
	initializeMainTypeAndName(javaElement, config);
	initializeHardCodedDefaults(config);
	initializeAppletViewerClass(config);
	}

	/**
	* Set the VM attributes on the working copy based on the workbench default VM.
	*/
	private void initializeDefaultVM(ILaunchConfigurationWorkingCopy config) {
	IVMInstall vmInstall= JavaRuntime.getDefaultVMInstall();
	if (vmInstall == null) {
	config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_VM_INSTALL_NAME, (String)null);
	config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_VM_INSTALL_TYPE, (String)null);
	}
	else {
	config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_VM_INSTALL_NAME, vmInstall.getName());
	config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_VM_INSTALL_TYPE, vmInstall.getVMInstallType().getId());
	}
	}

	/* (non-Javadoc)
	* @see org.eclipse.jdt.internal.debug.ui.launcher.AbstractJavaMainTab#initializeFrom(org.eclipse.debug.core.ILaunchConfiguration)
	*/
	public void initializeFrom(ILaunchConfiguration config) {
	super.initializeFrom(config);
	updateMainTypeFromConfig(config);
	updateAppletViewerClassNameFromConfig(config);
	}

	/**
	* Initialize those attributes whose default values are independent of any context.
	*/
	private void initializeHardCodedDefaults(ILaunchConfigurationWorkingCopy config) {
	initializeDefaultVM(config);
	}

	/**
	* Returns whether the default applet viewer is to be used
	*/
	private boolean isDefaultAppletViewerClassName() {
	return fAppletViewerClassDefaultButton.getSelection();
	}

	/* (non-Javadoc)
	* @see org.eclipse.debug.ui.AbstractLaunchConfigurationTab#isValid(org.eclipse.debug.core.ILaunchConfiguration)
	*/
	public boolean isValid(ILaunchConfiguration launchConfig) {
	setErrorMessage(null);
	setMessage(null);
	String name= fProjText.getText().trim();
	if (name.length() > 0) {
	if (!ResourcesPlugin.getWorkspace().getRoot().getProject(name).exists()) {
	setErrorMessage(LauncherMessages.appletlauncher_maintab_project_error_doesnotexist);
	return false;
	}
	}
	name = fMainText.getText().trim();
	if (name.length() == 0) {
	setErrorMessage(LauncherMessages.appletlauncher_maintab_type_error_doesnotexist);
	return false;
	}
	name = fAppletViewerClassText.getText().trim();
	if (name.length() == 0) {
	setErrorMessage(LauncherMessages.AppletMainTab_3);
	return false;
	}
	return true;
	}

	/* (non-Javadoc)
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#performApply(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
	*/
	public void performApply(ILaunchConfigurationWorkingCopy config) {
	config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_PROJECT_NAME, fProjText.getText());
	config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_MAIN_TYPE_NAME, fMainText.getText());
	mapResources(config);
	String appletViewerClassName= null;
	if (!isDefaultAppletViewerClassName()) {
	appletViewerClassName= fAppletViewerClassText.getText().trim();
	if (appletViewerClassName.length() <= 0) {
	appletViewerClassName= null;
	}
	}
	config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_APPLET_APPLETVIEWER_CLASS, appletViewerClassName);
	}

	/**
	* Set the appropriate enabled state for the applet viewer text widget.
	*/
	private void setAppletViewerTextEnabledState() {
	if (isDefaultAppletViewerClassName()) {
	fAppletViewerClassText.setEnabled(false);
	}
	else {
	fAppletViewerClassText.setEnabled(true);
	}
	}

	/* (non-Javadoc)
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#setDefaults(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
	*/
	public void setDefaults(ILaunchConfigurationWorkingCopy config) {
	IJavaElement je= getContext();
	if (je == null) {
	initializeHardCodedDefaults(config);
	}
	else {
	initializeDefaults(je, config);
	}
	}

	/**
	* updates the applet class name from the specified launch configuration
	* @param config the config to load the class name attribute from
	*/
	private void updateAppletViewerClassNameFromConfig(ILaunchConfiguration config) {
	String appletViewerClassName = EMPTY_STRING;
	try {
	appletViewerClassName= config.getAttribute(IJavaLaunchConfigurationConstants.ATTR_APPLET_APPLETVIEWER_CLASS, EMPTY_STRING);
	if (appletViewerClassName.equals(EMPTY_STRING)) {
	fAppletViewerClassText.setText(IJavaLaunchConfigurationConstants.DEFAULT_APPLETVIEWER_CLASS);
	fAppletViewerClassDefaultButton.setSelection(true);
	}
	else {
	fAppletViewerClassText.setText(appletViewerClassName);
	fAppletViewerClassDefaultButton.setSelection(false);
	}
	setAppletViewerTextEnabledState();
	}
	catch (CoreException ce) {JDIDebugUIPlugin.log(ce);}
	}

	/**
	* @see org.eclipse.debug.ui.AbstractLaunchConfigurationTab#getId()
	*
	* @since 3.3
	*/
	public String getId() {
	return "org.eclipse.jdt.debug.ui.appletMainTab"; //$NON-NLS-1$
	}
	}