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

 /*******************************************************************************
  *  Copyright (c) 2000, 2017 IBM Corporation and others.
  *
  *  This program and the accompanying materials
  *  are made available under the terms of the Eclipse Public License 2.0
  *  which accompanies this distribution, and is available at
  *  https://www.eclipse.org/legal/epl-2.0/
  *
  *  SPDX-License-Identifier: EPL-2.0
  *
  *  Contributors:
  *     IBM Corporation - initial API and implementation
  *     Remy Chi Jian Suen <remy.suen@gmail.com>
  *      - Bug 214696 Expose WorkingDirectoryBlock as API
  *      - Bug 221973 Make WorkingDirectoryBlock from JDT a Debug API class
  *      Axel Richard (Obeo) - Bug 41353 - Launch configurations prototypes
  *******************************************************************************/
 package org.eclipse.jdt.debug.ui.launchConfigurations;


 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.debug.core.ILaunchConfiguration;
 import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
 import org.eclipse.debug.ui.ILaunchConfigurationDialog;
 import org.eclipse.debug.ui.StringVariableSelectionDialog;
 import org.eclipse.debug.ui.WorkingDirectoryBlock;
 import org.eclipse.jdt.internal.debug.ui.IJavaDebugHelpContextIds;
 import org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin;
 import org.eclipse.jdt.internal.debug.ui.JavaDebugImages;
 import org.eclipse.jdt.internal.debug.ui.actions.ControlAccessibleListener;
 import org.eclipse.jdt.internal.debug.ui.launcher.JavaWorkingDirectoryBlock;
 import org.eclipse.jdt.internal.debug.ui.launcher.LauncherMessages;
 import org.eclipse.jdt.internal.debug.ui.launcher.VMArgumentsBlock;
 import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 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.Label;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.PlatformUI;

 /**
  * A launch configuration tab that displays and edits program arguments,
  * VM arguments, and working directory launch configuration attributes.
  * <p>
  * This class may be instantiated.
  * </p>
  * @since 2.0
  * @noextend This class is not intended to be sub-classed by clients.
  */
 public class JavaArgumentsTab extends JavaLaunchTab {

 	// Program arguments widgets
 	protected Label fPrgmArgumentsLabel;
 	protected Text fPrgmArgumentsText;

 	// VM arguments widgets
 	protected VMArgumentsBlock fVMArgumentsBlock;

 	// Working directory
 	protected WorkingDirectoryBlock fWorkingDirectoryBlock;

 	protected static final String EMPTY_STRING = ""; //$NON-NLS-1$

 	public JavaArgumentsTab() {
 		super();
 		fVMArgumentsBlock = createVMArgsBlock();
 		fWorkingDirectoryBlock = createWorkingDirBlock();
 	}

 	protected VMArgumentsBlock createVMArgsBlock() {
 		return new VMArgumentsBlock();
 	}

 	/**
 	 * Creates a control to specify a working directory.
 	 *
 	 * @return the new {@link WorkingDirectoryBlock}
 	 * @since 3.4
 	 */
 	protected WorkingDirectoryBlock createWorkingDirBlock() {
 		return new JavaWorkingDirectoryBlock();
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#createControl(Composite)
 	 */
 	@Override
 	public void createControl(Composite parent) {
 		Font font = parent.getFont();
 		Composite comp = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout(1, true);
 		comp.setLayout(layout);
 		comp.setFont(font);

 		GridData gd = new GridData(GridData.FILL_BOTH);
 		comp.setLayoutData(gd);
 		setControl(comp);
 		setHelpContextId();

 		Group group = new Group(comp, SWT.NONE);
 		group.setFont(font);
 		layout = new GridLayout();
 		group.setLayout(layout);
 		group.setLayoutData(new GridData(GridData.FILL_BOTH));

 		String controlName = (LauncherMessages.JavaArgumentsTab__Program_arguments__5);
 		group.setText(controlName);

 		fPrgmArgumentsText = new Text(group, SWT.MULTI | SWT.WRAP | SWT.BORDER | SWT.V_SCROLL);
 		fPrgmArgumentsText.addTraverseListener(e -> {
 			switch (e.detail) {
 				case SWT.TRAVERSE_ESCAPE:
 				case SWT.TRAVERSE_PAGE_NEXT:
 				case SWT.TRAVERSE_PAGE_PREVIOUS:
 					e.doit = true;
 					break;
 				case SWT.TRAVERSE_RETURN:
 				case SWT.TRAVERSE_TAB_NEXT:
 				case SWT.TRAVERSE_TAB_PREVIOUS:
 					if (((fPrgmArgumentsText.getStyle() & SWT.SINGLE) != 0) || (!fPrgmArgumentsText.isEnabled() || (e.stateMask & SWT.MODIFIER_MASK) != 0)) {
 						e.doit = true;
 					}
 					break;
 			}
 		});
 		gd = new GridData(GridData.FILL_BOTH);
 		gd.heightHint = 40;
 		gd.widthHint = 100;
 		fPrgmArgumentsText.setLayoutData(gd);
 		fPrgmArgumentsText.setFont(font);
 		fPrgmArgumentsText.addModifyListener(evt -> scheduleUpdateJob());
 		ControlAccessibleListener.addListener(fPrgmArgumentsText, group.getText());

 		String buttonLabel = LauncherMessages.JavaArgumentsTab_5;
 		Button pgrmArgVariableButton = createPushButton(group, buttonLabel, null);
 		pgrmArgVariableButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
 		pgrmArgVariableButton.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				StringVariableSelectionDialog dialog = new StringVariableSelectionDialog(getShell());
 				dialog.open();
 				String variable = dialog.getVariableExpression();
 				if (variable != null) {
                     fPrgmArgumentsText.insert(variable);
 				}
 			}
 		});

 		fVMArgumentsBlock.createControl(comp);

 		fWorkingDirectoryBlock.createControl(comp);
 	}

 	/**
 	 * Set the help context id for this launch config tab.  Subclasses may
 	 * override this method.
 	 */
 	protected void setHelpContextId() {
 		PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IJavaDebugHelpContextIds.LAUNCH_CONFIGURATION_DIALOG_ARGUMENTS_TAB);
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#dispose()
 	 */
 	@Override
 	public void dispose() {
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#isValid(ILaunchConfiguration)
 	 */
 	@Override
 	public boolean isValid(ILaunchConfiguration config) {
 		return fWorkingDirectoryBlock.isValid(config);
 	}

 	/**
 	 * Defaults are empty.
 	 *
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#setDefaults(ILaunchConfigurationWorkingCopy)
 	 */
 	@Override
 	public void setDefaults(ILaunchConfigurationWorkingCopy config) {
 		config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_PROGRAM_ARGUMENTS, (String)null);
 		fVMArgumentsBlock.setDefaults(config);
 		fWorkingDirectoryBlock.setDefaults(config);
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#initializeFrom(ILaunchConfiguration)
 	 */
 	@Override
 	public void initializeFrom(ILaunchConfiguration configuration) {
 		try {
 			fPrgmArgumentsText.setText(configuration.getAttribute(IJavaLaunchConfigurationConstants.ATTR_PROGRAM_ARGUMENTS, "")); //$NON-NLS-1$
 			fVMArgumentsBlock.initializeFrom(configuration);
 			fWorkingDirectoryBlock.initializeFrom(configuration);
 		} catch (CoreException e) {
 			setErrorMessage(LauncherMessages.JavaArgumentsTab_Exception_occurred_reading_configuration___15 + e.getStatus().getMessage());
 			JDIDebugUIPlugin.log(e);
 		}
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#performApply(ILaunchConfigurationWorkingCopy)
 	 */
 	@Override
 	public void performApply(ILaunchConfigurationWorkingCopy configuration) {
 		configuration.setAttribute(IJavaLaunchConfigurationConstants.ATTR_PROGRAM_ARGUMENTS, getAttributeValueFrom(fPrgmArgumentsText));
 		fVMArgumentsBlock.performApply(configuration);
 		fWorkingDirectoryBlock.performApply(configuration);
 	}

 	/**
 	 * Returns the string in the text widget, or <code>null</code> if empty.
 	 *
 	 * @param text the widget to get the value from
 	 * @return text or <code>null</code>
 	 */
 	protected String getAttributeValueFrom(Text text) {
 		String content = text.getText().trim();
 		if (content.length() > 0) {
 			return content;
 		}
 		return null;
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getName()
 	 */
 	@Override
 	public String getName() {
 		return LauncherMessages.JavaArgumentsTab__Arguments_16;
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#setLaunchConfigurationDialog(ILaunchConfigurationDialog)
 	 */
 	@Override
 	public void setLaunchConfigurationDialog(ILaunchConfigurationDialog dialog) {
 		super.setLaunchConfigurationDialog(dialog);
 		fWorkingDirectoryBlock.setLaunchConfigurationDialog(dialog);
 		fVMArgumentsBlock.setLaunchConfigurationDialog(dialog);
 	}
 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getErrorMessage()
 	 */
 	@Override
 	public String getErrorMessage() {
 		String m = super.getErrorMessage();
 		if (m == null) {
 			return fWorkingDirectoryBlock.getErrorMessage();
 		}
 		return m;
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getMessage()
 	 */
 	@Override
 	public String getMessage() {
 		String m = super.getMessage();
 		if (m == null) {
 			return fWorkingDirectoryBlock.getMessage();
 		}
 		return m;
 	}

 	/**
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getImage()
 	 */
 	@Override
 	public Image getImage() {
 		return JavaDebugImages.get(JavaDebugImages.IMG_VIEW_ARGUMENTS_TAB);
 	}

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

 	/* (non-Javadoc)
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#activated(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
 	 */
 	@Override
 	public void activated(ILaunchConfigurationWorkingCopy workingCopy) {
 		fWorkingDirectoryBlock.initializeFrom(workingCopy);
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#deactivated(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
 	 */
 	@Override
 	public void deactivated(ILaunchConfigurationWorkingCopy workingCopy) {
 		// do nothing when deactivated
 	}

 	/*
 	 * (non-Javadoc)
 	 * @see org.eclipse.jdt.debug.ui.launchConfigurations.JavaLaunchTab#initializeAttributes()
 	 * @since 3.9
 	 */
 	@Override
 	protected void initializeAttributes() {
 		super.initializeAttributes();
 		getAttributesLabelsForPrototype().put(IJavaLaunchConfigurationConstants.ATTR_PROGRAM_ARGUMENTS, LauncherMessages.JavaArgumentsTab_AttributeLabel_ProgramArguments);
 		getAttributesLabelsForPrototype().put(IJavaLaunchConfigurationConstants.ATTR_VM_ARGUMENTS, LauncherMessages.JavaArgumentsTab_AttributeLabel_VMArguments);
 		getAttributesLabelsForPrototype().put(IJavaLaunchConfigurationConstants.ATTR_USE_START_ON_FIRST_THREAD, LauncherMessages.JavaArgumentsTab_AttributeLabel_UseAtStart);
 		getAttributesLabelsForPrototype().put(IJavaLaunchConfigurationConstants.ATTR_SHOW_CODEDETAILS_IN_EXCEPTION_MESSAGES, LauncherMessages.JavaArgumentsTab_AttributeLabel_ActivateHelpfulNullPointerExceptions);
 		getAttributesLabelsForPrototype().put(IJavaLaunchConfigurationConstants.ATTR_USE_ARGFILE, LauncherMessages.JavaArgumentsTab_AttributeLabel_UseArgfile);
 		getAttributesLabelsForPrototype().put(IJavaLaunchConfigurationConstants.ATTR_WORKING_DIRECTORY, LauncherMessages.JavaArgumentsTab_AttributeLabel_WorkingDirectory);
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2017 IBM Corporation and others.
	*
	* This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	* Remy Chi Jian Suen <remy.suen@gmail.com>
	* - Bug 214696 Expose WorkingDirectoryBlock as API
	* - Bug 221973 Make WorkingDirectoryBlock from JDT a Debug API class
	* Axel Richard (Obeo) - Bug 41353 - Launch configurations prototypes
	*******************************************************************************/
	package org.eclipse.jdt.debug.ui.launchConfigurations;


	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.debug.core.ILaunchConfiguration;
	import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
	import org.eclipse.debug.ui.ILaunchConfigurationDialog;
	import org.eclipse.debug.ui.StringVariableSelectionDialog;
	import org.eclipse.debug.ui.WorkingDirectoryBlock;
	import org.eclipse.jdt.internal.debug.ui.IJavaDebugHelpContextIds;
	import org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin;
	import org.eclipse.jdt.internal.debug.ui.JavaDebugImages;
	import org.eclipse.jdt.internal.debug.ui.actions.ControlAccessibleListener;
	import org.eclipse.jdt.internal.debug.ui.launcher.JavaWorkingDirectoryBlock;
	import org.eclipse.jdt.internal.debug.ui.launcher.LauncherMessages;
	import org.eclipse.jdt.internal.debug.ui.launcher.VMArgumentsBlock;
	import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	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.Label;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.PlatformUI;

	/**
	* A launch configuration tab that displays and edits program arguments,
	* VM arguments, and working directory launch configuration attributes.
	* <p>
	* This class may be instantiated.
	* </p>
	* @since 2.0
	* @noextend This class is not intended to be sub-classed by clients.
	*/
	public class JavaArgumentsTab extends JavaLaunchTab {

	// Program arguments widgets
	protected Label fPrgmArgumentsLabel;
	protected Text fPrgmArgumentsText;

	// VM arguments widgets
	protected VMArgumentsBlock fVMArgumentsBlock;

	// Working directory
	protected WorkingDirectoryBlock fWorkingDirectoryBlock;

	protected static final String EMPTY_STRING = ""; //$NON-NLS-1$

	public JavaArgumentsTab() {
	super();
	fVMArgumentsBlock = createVMArgsBlock();
	fWorkingDirectoryBlock = createWorkingDirBlock();
	}

	protected VMArgumentsBlock createVMArgsBlock() {
	return new VMArgumentsBlock();
	}

	/**
	* Creates a control to specify a working directory.
	*
	* @return the new {@link WorkingDirectoryBlock}
	* @since 3.4
	*/
	protected WorkingDirectoryBlock createWorkingDirBlock() {
	return new JavaWorkingDirectoryBlock();
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#createControl(Composite)
	*/
	@Override
	public void createControl(Composite parent) {
	Font font = parent.getFont();
	Composite comp = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout(1, true);
	comp.setLayout(layout);
	comp.setFont(font);

	GridData gd = new GridData(GridData.FILL_BOTH);
	comp.setLayoutData(gd);
	setControl(comp);
	setHelpContextId();

	Group group = new Group(comp, SWT.NONE);
	group.setFont(font);
	layout = new GridLayout();
	group.setLayout(layout);
	group.setLayoutData(new GridData(GridData.FILL_BOTH));

	String controlName = (LauncherMessages.JavaArgumentsTab__Program_arguments__5);
	group.setText(controlName);

	fPrgmArgumentsText = new Text(group, SWT.MULTI \| SWT.WRAP \| SWT.BORDER \| SWT.V_SCROLL);
	fPrgmArgumentsText.addTraverseListener(e -> {
	switch (e.detail) {
	case SWT.TRAVERSE_ESCAPE:
	case SWT.TRAVERSE_PAGE_NEXT:
	case SWT.TRAVERSE_PAGE_PREVIOUS:
	e.doit = true;
	break;
	case SWT.TRAVERSE_RETURN:
	case SWT.TRAVERSE_TAB_NEXT:
	case SWT.TRAVERSE_TAB_PREVIOUS:
	if (((fPrgmArgumentsText.getStyle() & SWT.SINGLE) != 0) \|\| (!fPrgmArgumentsText.isEnabled() \|\| (e.stateMask & SWT.MODIFIER_MASK) != 0)) {
	e.doit = true;
	}
	break;
	}
	});
	gd = new GridData(GridData.FILL_BOTH);
	gd.heightHint = 40;
	gd.widthHint = 100;
	fPrgmArgumentsText.setLayoutData(gd);
	fPrgmArgumentsText.setFont(font);
	fPrgmArgumentsText.addModifyListener(evt -> scheduleUpdateJob());
	ControlAccessibleListener.addListener(fPrgmArgumentsText, group.getText());

	String buttonLabel = LauncherMessages.JavaArgumentsTab_5;
	Button pgrmArgVariableButton = createPushButton(group, buttonLabel, null);
	pgrmArgVariableButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
	pgrmArgVariableButton.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	StringVariableSelectionDialog dialog = new StringVariableSelectionDialog(getShell());
	dialog.open();
	String variable = dialog.getVariableExpression();
	if (variable != null) {
	fPrgmArgumentsText.insert(variable);
	}
	}
	});

	fVMArgumentsBlock.createControl(comp);

	fWorkingDirectoryBlock.createControl(comp);
	}

	/**
	* Set the help context id for this launch config tab. Subclasses may
	* override this method.
	*/
	protected void setHelpContextId() {
	PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IJavaDebugHelpContextIds.LAUNCH_CONFIGURATION_DIALOG_ARGUMENTS_TAB);
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#dispose()
	*/
	@Override
	public void dispose() {
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#isValid(ILaunchConfiguration)
	*/
	@Override
	public boolean isValid(ILaunchConfiguration config) {
	return fWorkingDirectoryBlock.isValid(config);
	}

	/**
	* Defaults are empty.
	*
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#setDefaults(ILaunchConfigurationWorkingCopy)
	*/
	@Override
	public void setDefaults(ILaunchConfigurationWorkingCopy config) {
	config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_PROGRAM_ARGUMENTS, (String)null);
	fVMArgumentsBlock.setDefaults(config);
	fWorkingDirectoryBlock.setDefaults(config);
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#initializeFrom(ILaunchConfiguration)
	*/
	@Override
	public void initializeFrom(ILaunchConfiguration configuration) {
	try {
	fPrgmArgumentsText.setText(configuration.getAttribute(IJavaLaunchConfigurationConstants.ATTR_PROGRAM_ARGUMENTS, "")); //$NON-NLS-1$
	fVMArgumentsBlock.initializeFrom(configuration);
	fWorkingDirectoryBlock.initializeFrom(configuration);
	} catch (CoreException e) {
	setErrorMessage(LauncherMessages.JavaArgumentsTab_Exception_occurred_reading_configuration___15 + e.getStatus().getMessage());
	JDIDebugUIPlugin.log(e);
	}
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#performApply(ILaunchConfigurationWorkingCopy)
	*/
	@Override
	public void performApply(ILaunchConfigurationWorkingCopy configuration) {
	configuration.setAttribute(IJavaLaunchConfigurationConstants.ATTR_PROGRAM_ARGUMENTS, getAttributeValueFrom(fPrgmArgumentsText));
	fVMArgumentsBlock.performApply(configuration);
	fWorkingDirectoryBlock.performApply(configuration);
	}

	/**
	* Returns the string in the text widget, or <code>null</code> if empty.
	*
	* @param text the widget to get the value from
	* @return text or <code>null</code>
	*/
	protected String getAttributeValueFrom(Text text) {
	String content = text.getText().trim();
	if (content.length() > 0) {
	return content;
	}
	return null;
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#getName()
	*/
	@Override
	public String getName() {
	return LauncherMessages.JavaArgumentsTab__Arguments_16;
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#setLaunchConfigurationDialog(ILaunchConfigurationDialog)
	*/
	@Override
	public void setLaunchConfigurationDialog(ILaunchConfigurationDialog dialog) {
	super.setLaunchConfigurationDialog(dialog);
	fWorkingDirectoryBlock.setLaunchConfigurationDialog(dialog);
	fVMArgumentsBlock.setLaunchConfigurationDialog(dialog);
	}
	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#getErrorMessage()
	*/
	@Override
	public String getErrorMessage() {
	String m = super.getErrorMessage();
	if (m == null) {
	return fWorkingDirectoryBlock.getErrorMessage();
	}
	return m;
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#getMessage()
	*/
	@Override
	public String getMessage() {
	String m = super.getMessage();
	if (m == null) {
	return fWorkingDirectoryBlock.getMessage();
	}
	return m;
	}

	/**
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#getImage()
	*/
	@Override
	public Image getImage() {
	return JavaDebugImages.get(JavaDebugImages.IMG_VIEW_ARGUMENTS_TAB);
	}

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

	/* (non-Javadoc)
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#activated(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
	*/
	@Override
	public void activated(ILaunchConfigurationWorkingCopy workingCopy) {
	fWorkingDirectoryBlock.initializeFrom(workingCopy);
	}

	/* (non-Javadoc)
	* @see org.eclipse.debug.ui.ILaunchConfigurationTab#deactivated(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
	*/
	@Override
	public void deactivated(ILaunchConfigurationWorkingCopy workingCopy) {
	// do nothing when deactivated
	}

	/*
	* (non-Javadoc)
	* @see org.eclipse.jdt.debug.ui.launchConfigurations.JavaLaunchTab#initializeAttributes()
	* @since 3.9
	*/
	@Override
	protected void initializeAttributes() {
	super.initializeAttributes();
	getAttributesLabelsForPrototype().put(IJavaLaunchConfigurationConstants.ATTR_PROGRAM_ARGUMENTS, LauncherMessages.JavaArgumentsTab_AttributeLabel_ProgramArguments);
	getAttributesLabelsForPrototype().put(IJavaLaunchConfigurationConstants.ATTR_VM_ARGUMENTS, LauncherMessages.JavaArgumentsTab_AttributeLabel_VMArguments);
	getAttributesLabelsForPrototype().put(IJavaLaunchConfigurationConstants.ATTR_USE_START_ON_FIRST_THREAD, LauncherMessages.JavaArgumentsTab_AttributeLabel_UseAtStart);
	getAttributesLabelsForPrototype().put(IJavaLaunchConfigurationConstants.ATTR_SHOW_CODEDETAILS_IN_EXCEPTION_MESSAGES, LauncherMessages.JavaArgumentsTab_AttributeLabel_ActivateHelpfulNullPointerExceptions);
	getAttributesLabelsForPrototype().put(IJavaLaunchConfigurationConstants.ATTR_USE_ARGFILE, LauncherMessages.JavaArgumentsTab_AttributeLabel_UseArgfile);
	getAttributesLabelsForPrototype().put(IJavaLaunchConfigurationConstants.ATTR_WORKING_DIRECTORY, LauncherMessages.JavaArgumentsTab_AttributeLabel_WorkingDirectory);
	}
	}