org.eclipse.jdt.debug.ui/ui/org/eclipse/jdt/internal/debug/ui/launcher/WorkingDirectoryBlock.java - jdt/eclipse.jdt.debug - Git at Google

 package org.eclipse.jdt.internal.debug.ui.launcher;

 /*
  * (c) Copyright IBM Corp. 2000, 2001.
  * All Rights Reserved.
  */

 import java.io.File;

 import org.eclipse.core.resources.IContainer;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.resources.IWorkspaceRoot;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.debug.core.ILaunchConfiguration;
 import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
 import org.eclipse.jdt.core.IJavaProject;
 import org.eclipse.jdt.internal.debug.ui.IJavaDebugHelpContextIds;
 import org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin;
 import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
 import org.eclipse.jdt.launching.JavaRuntime;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.ModifyEvent;
 import org.eclipse.swt.events.ModifyListener;
 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.Label;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.dialogs.ContainerSelectionDialog;
 import org.eclipse.ui.help.WorkbenchHelp;

 /**
  * A control for setting the working directory associated with a launch
  * configuration.
  */
 public class WorkingDirectoryBlock extends JavaLaunchConfigurationTab {

 	// Working directory UI widgets
 	protected Label fWorkingDirLabel;

 	// Local directory
 	protected Button fLocalDirButton;
 	protected Text fWorkingDirText;
 	protected Button fWorkingDirBrowseButton;


 	// Workspace directory
 	protected Button fWorkspaceDirButton;
 	protected Text fWorkspaceDirText;
 	protected Button fWorkspaceDirBrowseButton;

 	// use default button
 	protected Button fUseDefaultWorkingDirButton;

 	/**
 	 * The last launch config this tab was initialized from
 	 */
 	protected ILaunchConfiguration fLaunchConfiguration;

 	/**
 	 * @see ILaunchConfigurationTab#createControl(Composite)
 	 */
 	public void createControl(Composite parent) {

 		Composite workingDirComp = new Composite(parent, SWT.NONE);
 		WorkbenchHelp.setHelp(workingDirComp, IJavaDebugHelpContextIds.WORKING_DIRECTORY_BLOCK);;
 		GridLayout workingDirLayout = new GridLayout();
 		workingDirLayout.numColumns = 3;
 		workingDirLayout.marginHeight = 0;
 		workingDirLayout.marginWidth = 0;
 		workingDirComp.setLayout(workingDirLayout);
 		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
 		workingDirComp.setLayoutData(gd);
 		setControl(workingDirComp);

 		fWorkingDirLabel = new Label(workingDirComp, SWT.NONE);
 		fWorkingDirLabel.setText(LauncherMessages.getString("JavaArgumentsTab.Wor&king_directory__2")); //$NON-NLS-1$
 		gd = new GridData();
 		gd.horizontalSpan = 3;
 		fWorkingDirLabel.setLayoutData(gd);

 		fLocalDirButton = createRadioButton(workingDirComp, LauncherMessages.getString("WorkingDirectoryBlock.&Local_directory__1")); //$NON-NLS-1$
 		fLocalDirButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent evt) {
 				handleLocationButtonSelected();
 			}
 		});

 		fWorkingDirText = new Text(workingDirComp, SWT.SINGLE | SWT.BORDER);
 		gd = new GridData(GridData.FILL_HORIZONTAL);
 		fWorkingDirText.setLayoutData(gd);
 		fWorkingDirText.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent evt) {
 				updateLaunchConfigurationDialog();
 			}
 		});

 		fWorkingDirBrowseButton = createPushButton(workingDirComp, LauncherMessages.getString("JavaArgumentsTab.&Browse_3"), null); //$NON-NLS-1$
 		fWorkingDirBrowseButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent evt) {
 				handleWorkingDirBrowseButtonSelected();
 			}
 		});

 		fWorkspaceDirButton = createRadioButton(workingDirComp, LauncherMessages.getString("WorkingDirectoryBlock.Works&pace__2")); //$NON-NLS-1$
 		fWorkspaceDirButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent evt) {
 				handleLocationButtonSelected();
 			}
 		});

 		fWorkspaceDirText = new Text(workingDirComp, SWT.SINGLE | SWT.BORDER);
 		gd = new GridData(GridData.FILL_HORIZONTAL);
 		fWorkspaceDirText.setLayoutData(gd);
 		fWorkspaceDirText.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent evt) {
 				updateLaunchConfigurationDialog();
 			}
 		});

 		fWorkspaceDirBrowseButton = createPushButton(workingDirComp, LauncherMessages.getString("WorkingDirectoryBlock.B&rowse..._3"), null); //$NON-NLS-1$
 		fWorkspaceDirBrowseButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent evt) {
 				handleWorkspaceDirBrowseButtonSelected();
 			}
 		});

 		fUseDefaultWorkingDirButton = new Button(workingDirComp,SWT.CHECK);
 		fUseDefaultWorkingDirButton.setText(LauncherMessages.getString("JavaArgumentsTab.Use_de&fault_working_directory_4")); //$NON-NLS-1$
 		gd = new GridData();
 		gd.horizontalSpan = 3;
 		fUseDefaultWorkingDirButton.setLayoutData(gd);
 		fUseDefaultWorkingDirButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent evt) {
 				handleUseDefaultWorkingDirButtonSelected();
 			}
 		});

 	}

 	/**
 	 * @see ILaunchConfigurationTab#dispose()
 	 */
 	public void dispose() {
 	}

 	/**
 	 * Show a dialog that lets the user select a working directory
 	 */
 	protected void handleWorkingDirBrowseButtonSelected() {
 		DirectoryDialog dialog = new DirectoryDialog(getShell());
 		dialog.setMessage(LauncherMessages.getString("JavaArgumentsTab.Select_a_&working_directory_for_the_launch_configuration__7")); //$NON-NLS-1$
 		String currentWorkingDir = fWorkingDirText.getText();
 		if (!currentWorkingDir.trim().equals("")) { //$NON-NLS-1$
 			File path = new File(currentWorkingDir);
 			if (path.exists()) {
 				dialog.setFilterPath(currentWorkingDir);
 			}
 		}

 		String selectedDirectory = dialog.open();
 		if (selectedDirectory != null) {
 			fWorkingDirText.setText(selectedDirectory);
 		}
 	}

 	/**
 	 * Show a dialog that lets the user select a working directory from
 	 * the workspace
 	 */
 	protected void handleWorkspaceDirBrowseButtonSelected() {
 		ContainerSelectionDialog dialog = new ContainerSelectionDialog(getShell(),
 																	   ResourcesPlugin.getWorkspace().getRoot(),
 																	   false,
 																	   LauncherMessages.getString("WorkingDirectoryBlock.Select_a_&workspace_relative_working_directory__4")); //$NON-NLS-1$

 		IContainer currentContainer = getContainer();
 		if (currentContainer != null) {
 			IPath path = currentContainer.getFullPath();
 			dialog.setInitialSelections(new Object[] {path});
 		}

 		dialog.showClosedProjects(false);
 		dialog.open();
 		Object[] results = dialog.getResult();
 		if ((results != null) && (results.length > 0) && (results[0] instanceof IPath)) {
 			IPath path = (IPath)results[0];
 			String containerName = path.makeRelative().toString();
 			fWorkspaceDirText.setText(containerName);
 		}
 	}

 	/**
 	 * Returns the selected workspace container,or <code>null</code>
 	 */
 	protected IContainer getContainer() {
 		IResource res = getResource();
 		if (res instanceof IContainer) {
 			return (IContainer)res;
 		}
 		return null;
 	}

 	/**
 	 * Returns the selected workspace resource, or <code>null</code>
 	 */
 	protected IResource getResource() {
 		IPath path = new Path(fWorkspaceDirText.getText());
 		IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
 		return root.findMember(path);
 	}

 	/**
 	 * The "local directory" or "workspace directory" button has been selected.
 	 */
 	protected void handleLocationButtonSelected() {
 		if (!isDefaultWorkingDirectory()) {
 			boolean local = isLocalWorkingDirectory();
 			fWorkingDirText.setEnabled(local);
 			fWorkingDirBrowseButton.setEnabled(local);
 			fWorkspaceDirText.setEnabled(!local);
 			fWorkspaceDirBrowseButton.setEnabled(!local);
 		}
 		updateLaunchConfigurationDialog();
 	}

 	/**
 	 * The default working dir check box has been toggled.
 	 */
 	protected void handleUseDefaultWorkingDirButtonSelected() {
 		if (isDefaultWorkingDirectory()) {
 			setDefaultWorkingDir();
 			fLocalDirButton.setEnabled(false);
 			fWorkingDirText.setEnabled(false);
 			fWorkingDirBrowseButton.setEnabled(false);
 			fWorkspaceDirButton.setEnabled(false);
 			fWorkspaceDirText.setEnabled(false);
 			fWorkspaceDirBrowseButton.setEnabled(false);
 		} else {
 			fLocalDirButton.setEnabled(true);
 			fWorkspaceDirButton.setEnabled(true);
 			handleLocationButtonSelected();
 		}
 	}

 	/**
 	 * Sets the default working directory
 	 */
 	protected void setDefaultWorkingDir() {
 		try {
 			ILaunchConfiguration config = getLaunchConfiguration();
 			if (config != null) {
 				IJavaProject javaProject = JavaRuntime.getJavaProject(config);
 				if (javaProject != null) {
 					fWorkspaceDirText.setText(javaProject.getPath().makeRelative().toOSString());
 					fLocalDirButton.setSelection(false);
 					fWorkspaceDirButton.setSelection(true);
 					return;
 				}
 			}
 		} catch (CoreException ce) {
 		}

 		fWorkingDirText.setText(System.getProperty("user.dir")); //$NON-NLS-1$
 		fLocalDirButton.setSelection(true);
 		fWorkspaceDirButton.setSelection(false);
 	}

 	/**
 	 * @see ILaunchConfigurationTab#isValid(ILaunchConfiguration)
 	 */
 	public boolean isValid(ILaunchConfiguration config) {

 		setErrorMessage(null);
 		setMessage(null);

 		if (isLocalWorkingDirectory()) {
 			String workingDirPath = fWorkingDirText.getText().trim();
 			if (workingDirPath.length() > 0) {
 				File dir = new File(workingDirPath);
 				if (!dir.exists()) {
 					setErrorMessage(LauncherMessages.getString("JavaArgumentsTab.Working_directory_does_not_exist_10")); //$NON-NLS-1$
 					return false;
 				}
 				if (!dir.isDirectory()) {
 					setErrorMessage(LauncherMessages.getString("JavaArgumentsTab.Working_directory_is_not_a_directory_11")); //$NON-NLS-1$
 					return false;
 				}
 			}
 		} else {
 			if (getContainer() == null) {
 				setErrorMessage(LauncherMessages.getString("WorkingDirectoryBlock.Specified_project_or_folder_does_not_exist._5")); //$NON-NLS-1$
 				return false;
 			}
 		}

 		return true;
 	}

 	/**
 	 * Defaults are empty.
 	 *
 	 * @see ILaunchConfigurationTab#setDefaults(ILaunchConfigurationWorkingCopy)
 	 */
 	public void setDefaults(ILaunchConfigurationWorkingCopy config) {
 		config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_PROGRAM_ARGUMENTS, (String)null);
 		config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_VM_ARGUMENTS, (String)null);
 		config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_WORKING_DIRECTORY, (String)null);
 	}

 	/**
 	 * @see ILaunchConfigurationTab#initializeFrom(ILaunchConfiguration)
 	 */
 	public void initializeFrom(ILaunchConfiguration configuration) {
 		setLaunchConfiguration(configuration);
 		try {
 			String wd = configuration.getAttribute(IJavaLaunchConfigurationConstants.ATTR_WORKING_DIRECTORY, (String)null); //$NON-NLS-1$
 			fWorkspaceDirText.setText(""); //$NON-NLS-1$
 			fWorkingDirText.setText(""); //$NON-NLS-1$
 			if (wd == null) {
 				fUseDefaultWorkingDirButton.setSelection(true);
 			} else {
 				IPath path = new Path(wd);
 				if (path.isAbsolute()) {
 					fWorkingDirText.setText(wd);
 					fLocalDirButton.setSelection(true);
 					fWorkspaceDirButton.setSelection(false);
 				} else {
 					fWorkspaceDirText.setText(wd);
 					fWorkspaceDirButton.setSelection(true);
 					fLocalDirButton.setSelection(false);
 				}
 				fUseDefaultWorkingDirButton.setSelection(false);
 			}
 			handleUseDefaultWorkingDirButtonSelected();
 		} catch (CoreException e) {
 			setErrorMessage(LauncherMessages.getString("JavaArgumentsTab.Exception_occurred_reading_configuration___15") + e.getStatus().getMessage()); //$NON-NLS-1$
 			JDIDebugUIPlugin.log(e);
 		}
 	}

 	/**
 	 * @see ILaunchConfigurationTab#performApply(ILaunchConfigurationWorkingCopy)
 	 */
 	public void performApply(ILaunchConfigurationWorkingCopy configuration) {
 		String wd = null;
 		if (!isDefaultWorkingDirectory()) {
 			if (isLocalWorkingDirectory()) {
 				wd = getAttributeValueFrom(fWorkingDirText);
 			} else {
 				IPath path = new Path(fWorkspaceDirText.getText());
 				path = path.makeRelative();
 				wd = path.toString();
 			}
 		}
 		configuration.setAttribute(IJavaLaunchConfigurationConstants.ATTR_WORKING_DIRECTORY, wd);
 	}

 	/**
 	 * Retuns the string in the text widget, or <code>null</code> if empty.
 	 *
 	 * @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 ILaunchConfigurationTab#getName()
 	 */
 	public String getName() {
 		return LauncherMessages.getString("WorkingDirectoryBlock.Working_Directory_8"); //$NON-NLS-1$
 	}

 	/**
 	 * Returns whether the default working directory is to be used
 	 */
 	protected boolean isDefaultWorkingDirectory() {
 		return fUseDefaultWorkingDirButton.getSelection();
 	}

 	/**
 	 * Returns whether the working directory is local
 	 */
 	protected boolean isLocalWorkingDirectory() {
 		return fLocalDirButton.getSelection();
 	}

 	/**
 	 * Sets the java project currently specified by the
 	 * given launch config, if any.
 	 */
 	protected void setLaunchConfiguration(ILaunchConfiguration config) {
 		fLaunchConfiguration = config;
 	}

 	/**
 	 * Returns the current java project context
 	 */
 	protected ILaunchConfiguration getLaunchConfiguration() {
 		return fLaunchConfiguration;
 	}

 }
	package org.eclipse.jdt.internal.debug.ui.launcher;

	/*
	* (c) Copyright IBM Corp. 2000, 2001.
	* All Rights Reserved.
	*/

	import java.io.File;

	import org.eclipse.core.resources.IContainer;
	import org.eclipse.core.resources.IResource;
	import org.eclipse.core.resources.IWorkspaceRoot;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.debug.core.ILaunchConfiguration;
	import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
	import org.eclipse.jdt.core.IJavaProject;
	import org.eclipse.jdt.internal.debug.ui.IJavaDebugHelpContextIds;
	import org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin;
	import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
	import org.eclipse.jdt.launching.JavaRuntime;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.ModifyEvent;
	import org.eclipse.swt.events.ModifyListener;
	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.Label;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.dialogs.ContainerSelectionDialog;
	import org.eclipse.ui.help.WorkbenchHelp;

	/**
	* A control for setting the working directory associated with a launch
	* configuration.
	*/
	public class WorkingDirectoryBlock extends JavaLaunchConfigurationTab {

	// Working directory UI widgets
	protected Label fWorkingDirLabel;

	// Local directory
	protected Button fLocalDirButton;
	protected Text fWorkingDirText;
	protected Button fWorkingDirBrowseButton;


	// Workspace directory
	protected Button fWorkspaceDirButton;
	protected Text fWorkspaceDirText;
	protected Button fWorkspaceDirBrowseButton;

	// use default button
	protected Button fUseDefaultWorkingDirButton;

	/**
	* The last launch config this tab was initialized from
	*/
	protected ILaunchConfiguration fLaunchConfiguration;

	/**
	* @see ILaunchConfigurationTab#createControl(Composite)
	*/
	public void createControl(Composite parent) {

	Composite workingDirComp = new Composite(parent, SWT.NONE);
	WorkbenchHelp.setHelp(workingDirComp, IJavaDebugHelpContextIds.WORKING_DIRECTORY_BLOCK);;
	GridLayout workingDirLayout = new GridLayout();
	workingDirLayout.numColumns = 3;
	workingDirLayout.marginHeight = 0;
	workingDirLayout.marginWidth = 0;
	workingDirComp.setLayout(workingDirLayout);
	GridData gd = new GridData(GridData.FILL_HORIZONTAL);
	workingDirComp.setLayoutData(gd);
	setControl(workingDirComp);

	fWorkingDirLabel = new Label(workingDirComp, SWT.NONE);
	fWorkingDirLabel.setText(LauncherMessages.getString("JavaArgumentsTab.Wor&king_directory__2")); //$NON-NLS-1$
	gd = new GridData();
	gd.horizontalSpan = 3;
	fWorkingDirLabel.setLayoutData(gd);

	fLocalDirButton = createRadioButton(workingDirComp, LauncherMessages.getString("WorkingDirectoryBlock.&Local_directory__1")); //$NON-NLS-1$
	fLocalDirButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent evt) {
	handleLocationButtonSelected();
	}
	});

	fWorkingDirText = new Text(workingDirComp, SWT.SINGLE \| SWT.BORDER);
	gd = new GridData(GridData.FILL_HORIZONTAL);
	fWorkingDirText.setLayoutData(gd);
	fWorkingDirText.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent evt) {
	updateLaunchConfigurationDialog();
	}
	});

	fWorkingDirBrowseButton = createPushButton(workingDirComp, LauncherMessages.getString("JavaArgumentsTab.&Browse_3"), null); //$NON-NLS-1$
	fWorkingDirBrowseButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent evt) {
	handleWorkingDirBrowseButtonSelected();
	}
	});

	fWorkspaceDirButton = createRadioButton(workingDirComp, LauncherMessages.getString("WorkingDirectoryBlock.Works&pace__2")); //$NON-NLS-1$
	fWorkspaceDirButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent evt) {
	handleLocationButtonSelected();
	}
	});

	fWorkspaceDirText = new Text(workingDirComp, SWT.SINGLE \| SWT.BORDER);
	gd = new GridData(GridData.FILL_HORIZONTAL);
	fWorkspaceDirText.setLayoutData(gd);
	fWorkspaceDirText.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent evt) {
	updateLaunchConfigurationDialog();
	}
	});

	fWorkspaceDirBrowseButton = createPushButton(workingDirComp, LauncherMessages.getString("WorkingDirectoryBlock.B&rowse..._3"), null); //$NON-NLS-1$
	fWorkspaceDirBrowseButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent evt) {
	handleWorkspaceDirBrowseButtonSelected();
	}
	});

	fUseDefaultWorkingDirButton = new Button(workingDirComp,SWT.CHECK);
	fUseDefaultWorkingDirButton.setText(LauncherMessages.getString("JavaArgumentsTab.Use_de&fault_working_directory_4")); //$NON-NLS-1$
	gd = new GridData();
	gd.horizontalSpan = 3;
	fUseDefaultWorkingDirButton.setLayoutData(gd);
	fUseDefaultWorkingDirButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent evt) {
	handleUseDefaultWorkingDirButtonSelected();
	}
	});

	}

	/**
	* @see ILaunchConfigurationTab#dispose()
	*/
	public void dispose() {
	}

	/**
	* Show a dialog that lets the user select a working directory
	*/
	protected void handleWorkingDirBrowseButtonSelected() {
	DirectoryDialog dialog = new DirectoryDialog(getShell());
	dialog.setMessage(LauncherMessages.getString("JavaArgumentsTab.Select_a_&working_directory_for_the_launch_configuration__7")); //$NON-NLS-1$
	String currentWorkingDir = fWorkingDirText.getText();
	if (!currentWorkingDir.trim().equals("")) { //$NON-NLS-1$
	File path = new File(currentWorkingDir);
	if (path.exists()) {
	dialog.setFilterPath(currentWorkingDir);
	}
	}

	String selectedDirectory = dialog.open();
	if (selectedDirectory != null) {
	fWorkingDirText.setText(selectedDirectory);
	}
	}

	/**
	* Show a dialog that lets the user select a working directory from
	* the workspace
	*/
	protected void handleWorkspaceDirBrowseButtonSelected() {
	ContainerSelectionDialog dialog = new ContainerSelectionDialog(getShell(),
	ResourcesPlugin.getWorkspace().getRoot(),
	false,
	LauncherMessages.getString("WorkingDirectoryBlock.Select_a_&workspace_relative_working_directory__4")); //$NON-NLS-1$

	IContainer currentContainer = getContainer();
	if (currentContainer != null) {
	IPath path = currentContainer.getFullPath();
	dialog.setInitialSelections(new Object[] {path});
	}

	dialog.showClosedProjects(false);
	dialog.open();
	Object[] results = dialog.getResult();
	if ((results != null) && (results.length > 0) && (results[0] instanceof IPath)) {
	IPath path = (IPath)results[0];
	String containerName = path.makeRelative().toString();
	fWorkspaceDirText.setText(containerName);
	}
	}

	/**
	* Returns the selected workspace container,or <code>null</code>
	*/
	protected IContainer getContainer() {
	IResource res = getResource();
	if (res instanceof IContainer) {
	return (IContainer)res;
	}
	return null;
	}

	/**
	* Returns the selected workspace resource, or <code>null</code>
	*/
	protected IResource getResource() {
	IPath path = new Path(fWorkspaceDirText.getText());
	IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
	return root.findMember(path);
	}

	/**
	* The "local directory" or "workspace directory" button has been selected.
	*/
	protected void handleLocationButtonSelected() {
	if (!isDefaultWorkingDirectory()) {
	boolean local = isLocalWorkingDirectory();
	fWorkingDirText.setEnabled(local);
	fWorkingDirBrowseButton.setEnabled(local);
	fWorkspaceDirText.setEnabled(!local);
	fWorkspaceDirBrowseButton.setEnabled(!local);
	}
	updateLaunchConfigurationDialog();
	}

	/**
	* The default working dir check box has been toggled.
	*/
	protected void handleUseDefaultWorkingDirButtonSelected() {
	if (isDefaultWorkingDirectory()) {
	setDefaultWorkingDir();
	fLocalDirButton.setEnabled(false);
	fWorkingDirText.setEnabled(false);
	fWorkingDirBrowseButton.setEnabled(false);
	fWorkspaceDirButton.setEnabled(false);
	fWorkspaceDirText.setEnabled(false);
	fWorkspaceDirBrowseButton.setEnabled(false);
	} else {
	fLocalDirButton.setEnabled(true);
	fWorkspaceDirButton.setEnabled(true);
	handleLocationButtonSelected();
	}
	}

	/**
	* Sets the default working directory
	*/
	protected void setDefaultWorkingDir() {
	try {
	ILaunchConfiguration config = getLaunchConfiguration();
	if (config != null) {
	IJavaProject javaProject = JavaRuntime.getJavaProject(config);
	if (javaProject != null) {
	fWorkspaceDirText.setText(javaProject.getPath().makeRelative().toOSString());
	fLocalDirButton.setSelection(false);
	fWorkspaceDirButton.setSelection(true);
	return;
	}
	}
	} catch (CoreException ce) {
	}

	fWorkingDirText.setText(System.getProperty("user.dir")); //$NON-NLS-1$
	fLocalDirButton.setSelection(true);
	fWorkspaceDirButton.setSelection(false);
	}

	/**
	* @see ILaunchConfigurationTab#isValid(ILaunchConfiguration)
	*/
	public boolean isValid(ILaunchConfiguration config) {

	setErrorMessage(null);
	setMessage(null);

	if (isLocalWorkingDirectory()) {
	String workingDirPath = fWorkingDirText.getText().trim();
	if (workingDirPath.length() > 0) {
	File dir = new File(workingDirPath);
	if (!dir.exists()) {
	setErrorMessage(LauncherMessages.getString("JavaArgumentsTab.Working_directory_does_not_exist_10")); //$NON-NLS-1$
	return false;
	}
	if (!dir.isDirectory()) {
	setErrorMessage(LauncherMessages.getString("JavaArgumentsTab.Working_directory_is_not_a_directory_11")); //$NON-NLS-1$
	return false;
	}
	}
	} else {
	if (getContainer() == null) {
	setErrorMessage(LauncherMessages.getString("WorkingDirectoryBlock.Specified_project_or_folder_does_not_exist._5")); //$NON-NLS-1$
	return false;
	}
	}

	return true;
	}

	/**
	* Defaults are empty.
	*
	* @see ILaunchConfigurationTab#setDefaults(ILaunchConfigurationWorkingCopy)
	*/
	public void setDefaults(ILaunchConfigurationWorkingCopy config) {
	config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_PROGRAM_ARGUMENTS, (String)null);
	config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_VM_ARGUMENTS, (String)null);
	config.setAttribute(IJavaLaunchConfigurationConstants.ATTR_WORKING_DIRECTORY, (String)null);
	}

	/**
	* @see ILaunchConfigurationTab#initializeFrom(ILaunchConfiguration)
	*/
	public void initializeFrom(ILaunchConfiguration configuration) {
	setLaunchConfiguration(configuration);
	try {
	String wd = configuration.getAttribute(IJavaLaunchConfigurationConstants.ATTR_WORKING_DIRECTORY, (String)null); //$NON-NLS-1$
	fWorkspaceDirText.setText(""); //$NON-NLS-1$
	fWorkingDirText.setText(""); //$NON-NLS-1$
	if (wd == null) {
	fUseDefaultWorkingDirButton.setSelection(true);
	} else {
	IPath path = new Path(wd);
	if (path.isAbsolute()) {
	fWorkingDirText.setText(wd);
	fLocalDirButton.setSelection(true);
	fWorkspaceDirButton.setSelection(false);
	} else {
	fWorkspaceDirText.setText(wd);
	fWorkspaceDirButton.setSelection(true);
	fLocalDirButton.setSelection(false);
	}
	fUseDefaultWorkingDirButton.setSelection(false);
	}
	handleUseDefaultWorkingDirButtonSelected();
	} catch (CoreException e) {
	setErrorMessage(LauncherMessages.getString("JavaArgumentsTab.Exception_occurred_reading_configuration___15") + e.getStatus().getMessage()); //$NON-NLS-1$
	JDIDebugUIPlugin.log(e);
	}
	}

	/**
	* @see ILaunchConfigurationTab#performApply(ILaunchConfigurationWorkingCopy)
	*/
	public void performApply(ILaunchConfigurationWorkingCopy configuration) {
	String wd = null;
	if (!isDefaultWorkingDirectory()) {
	if (isLocalWorkingDirectory()) {
	wd = getAttributeValueFrom(fWorkingDirText);
	} else {
	IPath path = new Path(fWorkspaceDirText.getText());
	path = path.makeRelative();
	wd = path.toString();
	}
	}
	configuration.setAttribute(IJavaLaunchConfigurationConstants.ATTR_WORKING_DIRECTORY, wd);
	}

	/**
	* Retuns the string in the text widget, or <code>null</code> if empty.
	*
	* @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 ILaunchConfigurationTab#getName()
	*/
	public String getName() {
	return LauncherMessages.getString("WorkingDirectoryBlock.Working_Directory_8"); //$NON-NLS-1$
	}

	/**
	* Returns whether the default working directory is to be used
	*/
	protected boolean isDefaultWorkingDirectory() {
	return fUseDefaultWorkingDirButton.getSelection();
	}

	/**
	* Returns whether the working directory is local
	*/
	protected boolean isLocalWorkingDirectory() {
	return fLocalDirButton.getSelection();
	}

	/**
	* Sets the java project currently specified by the
	* given launch config, if any.
	*/
	protected void setLaunchConfiguration(ILaunchConfiguration config) {
	fLaunchConfiguration = config;
	}

	/**
	* Returns the current java project context
	*/
	protected ILaunchConfiguration getLaunchConfiguration() {
	return fLaunchConfiguration;
	}

	}