debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/ui/sourcelookup/SourceLookupBlock.java - cdt/org.eclipse.cdt - Git at Google

 /*
  *(c) Copyright QNX Software Systems Ltd. 2002.
  * All Rights Reserved.
  *
  */
 package org.eclipse.cdt.debug.ui.sourcelookup;

 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Observable;
 import java.util.Observer;

 import org.eclipse.cdt.debug.core.CDebugCorePlugin;
 import org.eclipse.cdt.debug.core.CDebugUtils;
 import org.eclipse.cdt.debug.core.ICDTLaunchConfigurationConstants;
 import org.eclipse.cdt.debug.core.ICDebugConstants;
 import org.eclipse.cdt.debug.core.sourcelookup.ICSourceLocation;
 import org.eclipse.cdt.debug.core.sourcelookup.ICSourceLocator;
 import org.eclipse.cdt.debug.core.sourcelookup.IProjectSourceLocation;
 import org.eclipse.cdt.debug.core.sourcelookup.SourceLookupFactory;
 import org.eclipse.cdt.debug.internal.core.sourcelookup.CSourceLocator;
 import org.eclipse.cdt.debug.internal.ui.PixelConverter;
 import org.eclipse.cdt.debug.internal.ui.dialogfields.CheckedListDialogField;
 import org.eclipse.cdt.debug.internal.ui.dialogfields.DialogField;
 import org.eclipse.cdt.debug.internal.ui.dialogfields.IDialogFieldListener;
 import org.eclipse.cdt.debug.internal.ui.dialogfields.IListAdapter;
 import org.eclipse.cdt.debug.internal.ui.dialogfields.LayoutUtil;
 import org.eclipse.cdt.debug.internal.ui.dialogfields.SelectionButtonDialogField;
 import org.eclipse.cdt.debug.internal.ui.dialogfields.Separator;
 import org.eclipse.cdt.debug.internal.ui.wizards.AddSourceLocationWizard;
 import org.eclipse.cdt.debug.ui.CDebugUIPlugin;
 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IAdaptable;
 import org.eclipse.debug.core.ILaunchConfiguration;
 import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
 import org.eclipse.debug.core.model.IPersistableSourceLocator;
 import org.eclipse.debug.ui.ILaunchConfigurationDialog;
 import org.eclipse.jface.resource.JFaceResources;
 import org.eclipse.jface.viewers.CheckStateChangedEvent;
 import org.eclipse.jface.viewers.CheckboxTableViewer;
 import org.eclipse.jface.viewers.ICheckStateListener;
 import org.eclipse.jface.window.Window;
 import org.eclipse.jface.wizard.WizardDialog;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;

 /**
  *
  * Enter type comment.
  *
  * @since Dec 18, 2002
  */
 public class SourceLookupBlock implements Observer
 {
 	private Composite fControl = null;
 	private CheckedListDialogField fGeneratedSourceListField;
 	private SourceListDialogField fAddedSourceListField;
 	private SelectionButtonDialogField fSearchForDuplicateFiles;
 	private ILaunchConfigurationDialog fLaunchConfigurationDialog = null;
 	private boolean fIsDirty = false;
 	private IProject fProject = null;

 	/**
 	 * Constructor for SourceLookupBlock.
 	 */
 	public SourceLookupBlock()
 	{
 		fGeneratedSourceListField = createGeneratedSourceListField();
 		fAddedSourceListField = createAddedSourceListField();
 		fSearchForDuplicateFiles = createSearchForDuplicateFilesButton();
 	}

 	public void createControl( Composite parent )
 	{
 		fControl = new Composite( parent, SWT.NONE );
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 2;
 		layout.marginWidth = 0;
 		layout.marginHeight = 0;
 		fControl.setLayout( layout );
 		fControl.setLayoutData( new GridData( GridData.FILL_BOTH ) );
 		fControl.setFont( JFaceResources.getDialogFont() );

 		PixelConverter converter = new PixelConverter( fControl );

 		fGeneratedSourceListField.doFillIntoGrid( fControl, 3 );
 		LayoutUtil.setHorizontalSpan( fGeneratedSourceListField.getLabelControl( null ), 2 );
 		LayoutUtil.setWidthHint( fGeneratedSourceListField.getLabelControl( null ), converter.convertWidthInCharsToPixels( 40 ) );
 		LayoutUtil.setHorizontalGrabbing( fGeneratedSourceListField.getListControl( null ) );
 		((CheckboxTableViewer)fGeneratedSourceListField.getTableViewer()).
 								addCheckStateListener( new ICheckStateListener()
 															{
 																public void checkStateChanged( CheckStateChangedEvent event )
 																{
 																	if ( event.getElement() instanceof IProjectSourceLocation )
 																		doCheckStateChanged();
 																}

 															} );

 		new Separator().doFillIntoGrid( fControl, 3, converter.convertHeightInCharsToPixels( 1 ) );

 		fAddedSourceListField.doFillIntoGrid( fControl, 3 );
 		LayoutUtil.setHorizontalSpan( fAddedSourceListField.getLabelControl( null ), 2 );
 		LayoutUtil.setWidthHint( fAddedSourceListField.getLabelControl( null ), converter.convertWidthInCharsToPixels( 40 ) );
 		LayoutUtil.setHorizontalGrabbing( fAddedSourceListField.getListControl( null ) );

 //		new Separator().doFillIntoGrid( fControl, 3, converter.convertHeightInCharsToPixels( 1 ) );

 		fSearchForDuplicateFiles.doFillIntoGrid( fControl, 3 );
 	}

 	public Control getControl()
 	{
 		return fControl;
 	}

 	public void initialize( ILaunchConfiguration configuration )
 	{
 		IProject project = getProjectFromLaunchConfiguration( configuration );
 		if ( project != null )
 		{
 			setProject( project );
 			try
 			{
 				String id = configuration.getAttribute( ILaunchConfiguration.ATTR_SOURCE_LOCATOR_ID, "" );
 				if ( isEmpty( id ) ||
 					 CDebugUIPlugin.getDefaultSourceLocatorID().equals( id ) ||
 					 CDebugUIPlugin.getDefaultSourceLocatorOldID().equals( id ) )
 				{
 					String memento = configuration.getAttribute( ILaunchConfiguration.ATTR_SOURCE_LOCATOR_MEMENTO, "" );
 					if ( !isEmpty( memento ) )
 						initializeFromMemento( memento );
 					else
 						initializeDefaults();
 				}
 			}
 			catch( CoreException e )
 			{
 				initializeDefaults();
 			}
 		}
 		else
 		{
 			initializeGeneratedLocations( null, new ICSourceLocation[0] );
 			resetAdditionalLocations( CDebugCorePlugin.getDefault().getCommonSourceLocations() );
 			fSearchForDuplicateFiles.setSelection( CDebugCorePlugin.getDefault().getPluginPreferences().getBoolean( ICDebugConstants.PREF_SEARCH_DUPLICATE_FILES ) );
 		}
 	}

 	private void initializeFromMemento( String memento ) throws CoreException
 	{
 		IPersistableSourceLocator locator = CDebugUIPlugin.createDefaultSourceLocator();
 		locator.initializeFromMemento( memento );
 		if ( locator instanceof IAdaptable )
 		{
 			ICSourceLocator clocator = (ICSourceLocator)((IAdaptable)locator).getAdapter( ICSourceLocator.class );
 			if ( clocator != null )
 				initializeFromLocator( clocator );
 		}
 	}

 	private void initializeDefaults()
 	{
 		fGeneratedSourceListField.removeAllElements();
 		IProject project = getProject();
 		if ( project != null && project.exists() && project.isOpen() )
 		{
 			ICSourceLocation location = SourceLookupFactory.createProjectSourceLocation( project, true );
 			fGeneratedSourceListField.addElement( location );
 			fGeneratedSourceListField.setChecked( location, true );
 			List list = CDebugUtils.getReferencedProjects( project );
 			Iterator it = list.iterator();
 			while( it.hasNext() )
 			{
 				location = SourceLookupFactory.createProjectSourceLocation( (IProject)it.next(), true );
 				fGeneratedSourceListField.addElement( location );
 				fGeneratedSourceListField.setChecked( location, true );
 			}
 		}
 		resetAdditionalLocations( CDebugCorePlugin.getDefault().getCommonSourceLocations() );
 		fSearchForDuplicateFiles.setSelection( CDebugCorePlugin.getDefault().getPluginPreferences().getBoolean( ICDebugConstants.PREF_SEARCH_DUPLICATE_FILES ) );
 	}

 	private void initializeFromLocator( ICSourceLocator locator )
 	{
 		ICSourceLocation[] locations = locator.getSourceLocations();
 		initializeGeneratedLocations( locator.getProject(), locations );
 		resetAdditionalLocations( locations );
 		fSearchForDuplicateFiles.setSelection( locator.searchForDuplicateFiles() );
 	}

 	private void initializeGeneratedLocations( IProject project, ICSourceLocation[] locations )
 	{
 		fGeneratedSourceListField.removeAllElements();
 		if ( project == null || !project.exists() || !project.isOpen() )
 			return;
 		List list = CDebugUtils.getReferencedProjects( project );
 		IProject[] refs = (IProject[])list.toArray( new IProject[list.size()] );
 		ICSourceLocation loc = getLocationForProject( project, locations );
 		boolean checked = ( loc != null && ((IProjectSourceLocation)loc).isGeneric() );
 		if ( loc == null )
 			loc = SourceLookupFactory.createProjectSourceLocation( project, true );
 		fGeneratedSourceListField.addElement( loc );
 		fGeneratedSourceListField.setChecked( loc, checked );

 		for ( int i = 0; i < refs.length; ++i )
 		{
 			loc = getLocationForProject( refs[i], locations );
 			checked = ( loc != null );
 			if ( loc == null )
 				loc = SourceLookupFactory.createProjectSourceLocation( refs[i], true );
 			fGeneratedSourceListField.addElement( loc );
 			fGeneratedSourceListField.setChecked( loc, checked );
 		}
 	}

 	private void resetGeneratedLocations( ICSourceLocation[] locations )
 	{
 		fGeneratedSourceListField.checkAll( false );
 		for ( int i = 0; i < locations.length; ++i )
 		{
 			if ( locations[i] instanceof IProjectSourceLocation &&
 				 ((IProjectSourceLocation)locations[i]).isGeneric() )
 				fGeneratedSourceListField.setChecked( locations[i], true );
 		}
 	}

 	private void resetAdditionalLocations( ICSourceLocation[] locations )
 	{
 		fAddedSourceListField.removeAllElements();
 		for ( int i = 0; i < locations.length; ++i )
 		{
 			if ( !( locations[i] instanceof IProjectSourceLocation ) || !((IProjectSourceLocation)locations[i]).isGeneric() )
 				fAddedSourceListField.addElement( locations[i] );
 		}
 	}

 	public void performApply( ILaunchConfigurationWorkingCopy configuration )
 	{
 		IPersistableSourceLocator locator = CDebugUIPlugin.createDefaultSourceLocator();
 		try
 		{
 			locator.initializeDefaults( configuration );
 			if ( locator instanceof IAdaptable )
 			{
 				ICSourceLocator clocator = (ICSourceLocator)((IAdaptable)locator).getAdapter( ICSourceLocator.class );
 				if ( clocator != null && getProject() != null && getProject().equals( getProjectFromLaunchConfiguration( configuration ) ) )
 				{
 					clocator.setSourceLocations( getSourceLocations() );
 					clocator.setSearchForDuplicateFiles( searchForDuplicateFiles() );
 				}
 			}
 			configuration.setAttribute( ILaunchConfiguration.ATTR_SOURCE_LOCATOR_MEMENTO, locator.getMemento() );
 		}
 		catch( CoreException e )
 		{
 		}
 	}

 	protected void doCheckStateChanged()
 	{
 		fIsDirty = true;
 		updateLaunchConfigurationDialog();
 	}

 	protected void doGeneratedSourceButtonPressed( int index )
 	{
 		switch( index )
 		{
 			case 0:		// Select All
 			case 1:		// Deselect All
 				fIsDirty = true;
 				break;
 		}
 		if ( isDirty() )
 			updateLaunchConfigurationDialog();
 	}

 	protected void doGeneratedSourceSelectionChanged()
 	{
 	}

 	protected void doAddedSourceButtonPressed( int index )
 	{
 		switch( index )
 		{
 			case 0:		// Add...
 				if ( addSourceLocation() )
 					fIsDirty = true;
 				break;
 			case 2:		// Up
 			case 3:		// Down
 			case 5:		// Remove
 				fIsDirty = true;
 				break;
 		}
 		if ( isDirty() )
 			updateLaunchConfigurationDialog();
 	}

 	public ICSourceLocation[] getSourceLocations()
 	{
 		ArrayList list = new ArrayList( getGeneratedSourceListField().getElements().size() + getAddedSourceListField().getElements().size() );
 		Iterator it = getGeneratedSourceListField().getElements().iterator();
 		while( it.hasNext() )
 		{
 			IProjectSourceLocation location = (IProjectSourceLocation)it.next();
 			if ( getGeneratedSourceListField().isChecked( location ) )
 				list.add( location );
 		}
 		list.addAll( getAddedSourceListField().getElements() );
 		return (ICSourceLocation[])list.toArray( new ICSourceLocation[list.size()] );
 	}

 	private boolean addSourceLocation()
 	{
 		AddSourceLocationWizard wizard = new AddSourceLocationWizard( getSourceLocations() );
 		WizardDialog dialog = new WizardDialog( fControl.getShell(), wizard );
 		if ( dialog.open() == Window.OK )
 		{
 			fAddedSourceListField.addElement( wizard.getSourceLocation() );
 			return true;
 		}
 		return false;
 	}

 	protected void updateLaunchConfigurationDialog()
 	{
 		if ( getLaunchConfigurationDialog() != null )
 		{
 			getLaunchConfigurationDialog().updateMessage();
 			getLaunchConfigurationDialog().updateButtons();
 			fIsDirty = false;
 		}
 	}

 	public ILaunchConfigurationDialog getLaunchConfigurationDialog()
 	{
 		return fLaunchConfigurationDialog;
 	}

 	public void setLaunchConfigurationDialog( ILaunchConfigurationDialog launchConfigurationDialog )
 	{
 		fLaunchConfigurationDialog = launchConfigurationDialog;
 	}

 	public boolean isDirty()
 	{
 		return fIsDirty;
 	}

 	protected Object getSelection()
 	{
 		List list = fAddedSourceListField.getSelectedElements();
 		return ( list.size() > 0 ) ? list.get( 0 ) : null;
 	}

 	protected void restoreDefaults()
 	{
 		ICSourceLocation[] locations = new ICSourceLocation[0];
 		if ( getProject() != null )
 			locations = CSourceLocator.getDefaultSourceLocations( getProject() );
 		resetGeneratedLocations( locations );
 		resetAdditionalLocations( locations );
 		fSearchForDuplicateFiles.setSelection( CDebugCorePlugin.getDefault().getPluginPreferences().getBoolean( ICDebugConstants.PREF_SEARCH_DUPLICATE_FILES ) );
 	}

 	public IProject getProject()
 	{
 		return fProject;
 	}

 	private void setProject( IProject project )
 	{
 		fProject = project;
 	}

 	public SourceListDialogField getAddedSourceListField()
 	{
 		return fAddedSourceListField;
 	}

 	public CheckedListDialogField getGeneratedSourceListField()
 	{
 		return fGeneratedSourceListField;
 	}

 	private ICSourceLocation getLocationForProject( IProject project, ICSourceLocation[] locations )
 	{
 		for ( int i = 0; i < locations.length; ++i )
 			if ( locations[i] instanceof IProjectSourceLocation &&
 				 project.equals( ((IProjectSourceLocation)locations[i]).getProject() ) )
 				return locations[i];
 		return null;
 	}

 	public boolean searchForDuplicateFiles()
 	{
 		return ( fSearchForDuplicateFiles != null ) ? fSearchForDuplicateFiles.isSelected() : false;
 	}

 	private CheckedListDialogField createGeneratedSourceListField()
 	{
 		String[] generatedSourceButtonLabels = new String[]
 		{
 			/* 0 */ "Select All",
 			/* 1 */ "Deselect All",
 		};

 		IListAdapter generatedSourceAdapter = new IListAdapter()
 													{
 														public void customButtonPressed( DialogField field, int index )
 														{
 															doGeneratedSourceButtonPressed( index );
 														}

 														public void selectionChanged( DialogField field )
 														{
 															doGeneratedSourceSelectionChanged();
 														}
 													};

 		CheckedListDialogField field = new CheckedListDialogField( generatedSourceAdapter, generatedSourceButtonLabels, new SourceLookupLabelProvider() );
 		field.setLabelText( "Generic Source Locations" );
 		field.setCheckAllButtonIndex( 0 );
 		field.setUncheckAllButtonIndex( 1 );
 		field.setDialogFieldListener(
 						new IDialogFieldListener()
 							{
 								public void dialogFieldChanged( DialogField field )
 								{
 									doCheckStateChanged();
 								}
 							} );
 		return field;
 	}

 	private SourceListDialogField createAddedSourceListField()
 	{
 		SourceListDialogField field =
 					new SourceListDialogField( "Additional Source Locations",
 												new IListAdapter()
 													{
 														public void customButtonPressed( DialogField field, int index )
 														{
 															doAddedSourceButtonPressed( index );
 														}

 														public void selectionChanged(DialogField field)
 														{
 														}
 													} );
 		field.addObserver( this );
 		return field;
 	}

 	private SelectionButtonDialogField createSearchForDuplicateFilesButton()
 	{
 		SelectionButtonDialogField button = new SelectionButtonDialogField( SWT.CHECK );
 		button.setLabelText( "Search for duplicate source files" );
 		button.setDialogFieldListener(
 					new IDialogFieldListener()
 						{
 							public void dialogFieldChanged( DialogField field )
 							{
 								doCheckStateChanged();
 							}
 						} );
 		return button;
 	}

 	/* (non-Javadoc)
 	 * @see java.util.Observer#update(java.util.Observable, java.lang.Object)
 	 */
 	public void update( Observable o, Object arg )
 	{
 		if ( arg instanceof Integer && ((Integer)arg).intValue() == 0 )
 		{
 			if ( addSourceLocation() )
 				fIsDirty = true;
 		}
 		else
 			fIsDirty = true;
 		if ( fIsDirty )
 			updateLaunchConfigurationDialog();
 	}

 	private boolean isEmpty( String string )
 	{
 		return string == null || string.length() == 0;
 	}

 	public void dispose()
 	{
 		if ( getAddedSourceListField() != null )
 		{
 			getAddedSourceListField().deleteObserver( this );
 			getAddedSourceListField().dispose();
 		}
 	}

 	private IProject getProjectFromLaunchConfiguration( ILaunchConfiguration configuration )
 	{
 		try
 		{
 			String projectName = configuration.getAttribute( ICDTLaunchConfigurationConstants.ATTR_PROJECT_NAME, "" );
 			if ( !isEmpty( projectName ) )
 			{
 				IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject( projectName );
 				if ( project != null && project.exists() && project.isOpen() )
 					return project;
 			}
 		}
 		catch( CoreException e )
 		{
 		}
 		return null;
 	}
 }
	/*
	*(c) Copyright QNX Software Systems Ltd. 2002.
	* All Rights Reserved.
	*
	*/
	package org.eclipse.cdt.debug.ui.sourcelookup;

	import java.util.ArrayList;
	import java.util.Iterator;
	import java.util.List;
	import java.util.Observable;
	import java.util.Observer;

	import org.eclipse.cdt.debug.core.CDebugCorePlugin;
	import org.eclipse.cdt.debug.core.CDebugUtils;
	import org.eclipse.cdt.debug.core.ICDTLaunchConfigurationConstants;
	import org.eclipse.cdt.debug.core.ICDebugConstants;
	import org.eclipse.cdt.debug.core.sourcelookup.ICSourceLocation;
	import org.eclipse.cdt.debug.core.sourcelookup.ICSourceLocator;
	import org.eclipse.cdt.debug.core.sourcelookup.IProjectSourceLocation;
	import org.eclipse.cdt.debug.core.sourcelookup.SourceLookupFactory;
	import org.eclipse.cdt.debug.internal.core.sourcelookup.CSourceLocator;
	import org.eclipse.cdt.debug.internal.ui.PixelConverter;
	import org.eclipse.cdt.debug.internal.ui.dialogfields.CheckedListDialogField;
	import org.eclipse.cdt.debug.internal.ui.dialogfields.DialogField;
	import org.eclipse.cdt.debug.internal.ui.dialogfields.IDialogFieldListener;
	import org.eclipse.cdt.debug.internal.ui.dialogfields.IListAdapter;
	import org.eclipse.cdt.debug.internal.ui.dialogfields.LayoutUtil;
	import org.eclipse.cdt.debug.internal.ui.dialogfields.SelectionButtonDialogField;
	import org.eclipse.cdt.debug.internal.ui.dialogfields.Separator;
	import org.eclipse.cdt.debug.internal.ui.wizards.AddSourceLocationWizard;
	import org.eclipse.cdt.debug.ui.CDebugUIPlugin;
	import org.eclipse.core.resources.IProject;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IAdaptable;
	import org.eclipse.debug.core.ILaunchConfiguration;
	import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
	import org.eclipse.debug.core.model.IPersistableSourceLocator;
	import org.eclipse.debug.ui.ILaunchConfigurationDialog;
	import org.eclipse.jface.resource.JFaceResources;
	import org.eclipse.jface.viewers.CheckStateChangedEvent;
	import org.eclipse.jface.viewers.CheckboxTableViewer;
	import org.eclipse.jface.viewers.ICheckStateListener;
	import org.eclipse.jface.window.Window;
	import org.eclipse.jface.wizard.WizardDialog;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;

	/**
	*
	* Enter type comment.
	*
	* @since Dec 18, 2002
	*/
	public class SourceLookupBlock implements Observer
	{
	private Composite fControl = null;
	private CheckedListDialogField fGeneratedSourceListField;
	private SourceListDialogField fAddedSourceListField;
	private SelectionButtonDialogField fSearchForDuplicateFiles;
	private ILaunchConfigurationDialog fLaunchConfigurationDialog = null;
	private boolean fIsDirty = false;
	private IProject fProject = null;

	/**
	* Constructor for SourceLookupBlock.
	*/
	public SourceLookupBlock()
	{
	fGeneratedSourceListField = createGeneratedSourceListField();
	fAddedSourceListField = createAddedSourceListField();
	fSearchForDuplicateFiles = createSearchForDuplicateFilesButton();
	}

	public void createControl( Composite parent )
	{
	fControl = new Composite( parent, SWT.NONE );
	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	layout.marginWidth = 0;
	layout.marginHeight = 0;
	fControl.setLayout( layout );
	fControl.setLayoutData( new GridData( GridData.FILL_BOTH ) );
	fControl.setFont( JFaceResources.getDialogFont() );

	PixelConverter converter = new PixelConverter( fControl );

	fGeneratedSourceListField.doFillIntoGrid( fControl, 3 );
	LayoutUtil.setHorizontalSpan( fGeneratedSourceListField.getLabelControl( null ), 2 );
	LayoutUtil.setWidthHint( fGeneratedSourceListField.getLabelControl( null ), converter.convertWidthInCharsToPixels( 40 ) );
	LayoutUtil.setHorizontalGrabbing( fGeneratedSourceListField.getListControl( null ) );
	((CheckboxTableViewer)fGeneratedSourceListField.getTableViewer()).
	addCheckStateListener( new ICheckStateListener()
	{
	public void checkStateChanged( CheckStateChangedEvent event )
	{
	if ( event.getElement() instanceof IProjectSourceLocation )
	doCheckStateChanged();
	}

	} );

	new Separator().doFillIntoGrid( fControl, 3, converter.convertHeightInCharsToPixels( 1 ) );

	fAddedSourceListField.doFillIntoGrid( fControl, 3 );
	LayoutUtil.setHorizontalSpan( fAddedSourceListField.getLabelControl( null ), 2 );
	LayoutUtil.setWidthHint( fAddedSourceListField.getLabelControl( null ), converter.convertWidthInCharsToPixels( 40 ) );
	LayoutUtil.setHorizontalGrabbing( fAddedSourceListField.getListControl( null ) );

	// new Separator().doFillIntoGrid( fControl, 3, converter.convertHeightInCharsToPixels( 1 ) );

	fSearchForDuplicateFiles.doFillIntoGrid( fControl, 3 );
	}

	public Control getControl()
	{
	return fControl;
	}

	public void initialize( ILaunchConfiguration configuration )
	{
	IProject project = getProjectFromLaunchConfiguration( configuration );
	if ( project != null )
	{
	setProject( project );
	try
	{
	String id = configuration.getAttribute( ILaunchConfiguration.ATTR_SOURCE_LOCATOR_ID, "" );
	if ( isEmpty( id ) \|\|
	CDebugUIPlugin.getDefaultSourceLocatorID().equals( id ) \|\|
	CDebugUIPlugin.getDefaultSourceLocatorOldID().equals( id ) )
	{
	String memento = configuration.getAttribute( ILaunchConfiguration.ATTR_SOURCE_LOCATOR_MEMENTO, "" );
	if ( !isEmpty( memento ) )
	initializeFromMemento( memento );
	else
	initializeDefaults();
	}
	}
	catch( CoreException e )
	{
	initializeDefaults();
	}
	}
	else
	{
	initializeGeneratedLocations( null, new ICSourceLocation[0] );
	resetAdditionalLocations( CDebugCorePlugin.getDefault().getCommonSourceLocations() );
	fSearchForDuplicateFiles.setSelection( CDebugCorePlugin.getDefault().getPluginPreferences().getBoolean( ICDebugConstants.PREF_SEARCH_DUPLICATE_FILES ) );
	}
	}

	private void initializeFromMemento( String memento ) throws CoreException
	{
	IPersistableSourceLocator locator = CDebugUIPlugin.createDefaultSourceLocator();
	locator.initializeFromMemento( memento );
	if ( locator instanceof IAdaptable )
	{
	ICSourceLocator clocator = (ICSourceLocator)((IAdaptable)locator).getAdapter( ICSourceLocator.class );
	if ( clocator != null )
	initializeFromLocator( clocator );
	}
	}

	private void initializeDefaults()
	{
	fGeneratedSourceListField.removeAllElements();
	IProject project = getProject();
	if ( project != null && project.exists() && project.isOpen() )
	{
	ICSourceLocation location = SourceLookupFactory.createProjectSourceLocation( project, true );
	fGeneratedSourceListField.addElement( location );
	fGeneratedSourceListField.setChecked( location, true );
	List list = CDebugUtils.getReferencedProjects( project );
	Iterator it = list.iterator();
	while( it.hasNext() )
	{
	location = SourceLookupFactory.createProjectSourceLocation( (IProject)it.next(), true );
	fGeneratedSourceListField.addElement( location );
	fGeneratedSourceListField.setChecked( location, true );
	}
	}
	resetAdditionalLocations( CDebugCorePlugin.getDefault().getCommonSourceLocations() );
	fSearchForDuplicateFiles.setSelection( CDebugCorePlugin.getDefault().getPluginPreferences().getBoolean( ICDebugConstants.PREF_SEARCH_DUPLICATE_FILES ) );
	}

	private void initializeFromLocator( ICSourceLocator locator )
	{
	ICSourceLocation[] locations = locator.getSourceLocations();
	initializeGeneratedLocations( locator.getProject(), locations );
	resetAdditionalLocations( locations );
	fSearchForDuplicateFiles.setSelection( locator.searchForDuplicateFiles() );
	}

	private void initializeGeneratedLocations( IProject project, ICSourceLocation[] locations )
	{
	fGeneratedSourceListField.removeAllElements();
	if ( project == null \|\| !project.exists() \|\| !project.isOpen() )
	return;
	List list = CDebugUtils.getReferencedProjects( project );
	IProject[] refs = (IProject[])list.toArray( new IProject[list.size()] );
	ICSourceLocation loc = getLocationForProject( project, locations );
	boolean checked = ( loc != null && ((IProjectSourceLocation)loc).isGeneric() );
	if ( loc == null )
	loc = SourceLookupFactory.createProjectSourceLocation( project, true );
	fGeneratedSourceListField.addElement( loc );
	fGeneratedSourceListField.setChecked( loc, checked );

	for ( int i = 0; i < refs.length; ++i )
	{
	loc = getLocationForProject( refs[i], locations );
	checked = ( loc != null );
	if ( loc == null )
	loc = SourceLookupFactory.createProjectSourceLocation( refs[i], true );
	fGeneratedSourceListField.addElement( loc );
	fGeneratedSourceListField.setChecked( loc, checked );
	}
	}

	private void resetGeneratedLocations( ICSourceLocation[] locations )
	{
	fGeneratedSourceListField.checkAll( false );
	for ( int i = 0; i < locations.length; ++i )
	{
	if ( locations[i] instanceof IProjectSourceLocation &&
	((IProjectSourceLocation)locations[i]).isGeneric() )
	fGeneratedSourceListField.setChecked( locations[i], true );
	}
	}

	private void resetAdditionalLocations( ICSourceLocation[] locations )
	{
	fAddedSourceListField.removeAllElements();
	for ( int i = 0; i < locations.length; ++i )
	{
	if ( !( locations[i] instanceof IProjectSourceLocation ) \|\| !((IProjectSourceLocation)locations[i]).isGeneric() )
	fAddedSourceListField.addElement( locations[i] );
	}
	}

	public void performApply( ILaunchConfigurationWorkingCopy configuration )
	{
	IPersistableSourceLocator locator = CDebugUIPlugin.createDefaultSourceLocator();
	try
	{
	locator.initializeDefaults( configuration );
	if ( locator instanceof IAdaptable )
	{
	ICSourceLocator clocator = (ICSourceLocator)((IAdaptable)locator).getAdapter( ICSourceLocator.class );
	if ( clocator != null && getProject() != null && getProject().equals( getProjectFromLaunchConfiguration( configuration ) ) )
	{
	clocator.setSourceLocations( getSourceLocations() );
	clocator.setSearchForDuplicateFiles( searchForDuplicateFiles() );
	}
	}
	configuration.setAttribute( ILaunchConfiguration.ATTR_SOURCE_LOCATOR_MEMENTO, locator.getMemento() );
	}
	catch( CoreException e )
	{
	}
	}

	protected void doCheckStateChanged()
	{
	fIsDirty = true;
	updateLaunchConfigurationDialog();
	}

	protected void doGeneratedSourceButtonPressed( int index )
	{
	switch( index )
	{
	case 0: // Select All
	case 1: // Deselect All
	fIsDirty = true;
	break;
	}
	if ( isDirty() )
	updateLaunchConfigurationDialog();
	}

	protected void doGeneratedSourceSelectionChanged()
	{
	}

	protected void doAddedSourceButtonPressed( int index )
	{
	switch( index )
	{
	case 0: // Add...
	if ( addSourceLocation() )
	fIsDirty = true;
	break;
	case 2: // Up
	case 3: // Down
	case 5: // Remove
	fIsDirty = true;
	break;
	}
	if ( isDirty() )
	updateLaunchConfigurationDialog();
	}

	public ICSourceLocation[] getSourceLocations()
	{
	ArrayList list = new ArrayList( getGeneratedSourceListField().getElements().size() + getAddedSourceListField().getElements().size() );
	Iterator it = getGeneratedSourceListField().getElements().iterator();
	while( it.hasNext() )
	{
	IProjectSourceLocation location = (IProjectSourceLocation)it.next();
	if ( getGeneratedSourceListField().isChecked( location ) )
	list.add( location );
	}
	list.addAll( getAddedSourceListField().getElements() );
	return (ICSourceLocation[])list.toArray( new ICSourceLocation[list.size()] );
	}

	private boolean addSourceLocation()
	{
	AddSourceLocationWizard wizard = new AddSourceLocationWizard( getSourceLocations() );
	WizardDialog dialog = new WizardDialog( fControl.getShell(), wizard );
	if ( dialog.open() == Window.OK )
	{
	fAddedSourceListField.addElement( wizard.getSourceLocation() );
	return true;
	}
	return false;
	}

	protected void updateLaunchConfigurationDialog()
	{
	if ( getLaunchConfigurationDialog() != null )
	{
	getLaunchConfigurationDialog().updateMessage();
	getLaunchConfigurationDialog().updateButtons();
	fIsDirty = false;
	}
	}

	public ILaunchConfigurationDialog getLaunchConfigurationDialog()
	{
	return fLaunchConfigurationDialog;
	}

	public void setLaunchConfigurationDialog( ILaunchConfigurationDialog launchConfigurationDialog )
	{
	fLaunchConfigurationDialog = launchConfigurationDialog;
	}

	public boolean isDirty()
	{
	return fIsDirty;
	}

	protected Object getSelection()
	{
	List list = fAddedSourceListField.getSelectedElements();
	return ( list.size() > 0 ) ? list.get( 0 ) : null;
	}

	protected void restoreDefaults()
	{
	ICSourceLocation[] locations = new ICSourceLocation[0];
	if ( getProject() != null )
	locations = CSourceLocator.getDefaultSourceLocations( getProject() );
	resetGeneratedLocations( locations );
	resetAdditionalLocations( locations );
	fSearchForDuplicateFiles.setSelection( CDebugCorePlugin.getDefault().getPluginPreferences().getBoolean( ICDebugConstants.PREF_SEARCH_DUPLICATE_FILES ) );
	}

	public IProject getProject()
	{
	return fProject;
	}

	private void setProject( IProject project )
	{
	fProject = project;
	}

	public SourceListDialogField getAddedSourceListField()
	{
	return fAddedSourceListField;
	}

	public CheckedListDialogField getGeneratedSourceListField()
	{
	return fGeneratedSourceListField;
	}

	private ICSourceLocation getLocationForProject( IProject project, ICSourceLocation[] locations )
	{
	for ( int i = 0; i < locations.length; ++i )
	if ( locations[i] instanceof IProjectSourceLocation &&
	project.equals( ((IProjectSourceLocation)locations[i]).getProject() ) )
	return locations[i];
	return null;
	}

	public boolean searchForDuplicateFiles()
	{
	return ( fSearchForDuplicateFiles != null ) ? fSearchForDuplicateFiles.isSelected() : false;
	}

	private CheckedListDialogField createGeneratedSourceListField()
	{
	String[] generatedSourceButtonLabels = new String[]
	{
	/* 0 */ "Select All",
	/* 1 */ "Deselect All",
	};

	IListAdapter generatedSourceAdapter = new IListAdapter()
	{
	public void customButtonPressed( DialogField field, int index )
	{
	doGeneratedSourceButtonPressed( index );
	}

	public void selectionChanged( DialogField field )
	{
	doGeneratedSourceSelectionChanged();
	}
	};

	CheckedListDialogField field = new CheckedListDialogField( generatedSourceAdapter, generatedSourceButtonLabels, new SourceLookupLabelProvider() );
	field.setLabelText( "Generic Source Locations" );
	field.setCheckAllButtonIndex( 0 );
	field.setUncheckAllButtonIndex( 1 );
	field.setDialogFieldListener(
	new IDialogFieldListener()
	{
	public void dialogFieldChanged( DialogField field )
	{
	doCheckStateChanged();
	}
	} );
	return field;
	}

	private SourceListDialogField createAddedSourceListField()
	{
	SourceListDialogField field =
	new SourceListDialogField( "Additional Source Locations",
	new IListAdapter()
	{
	public void customButtonPressed( DialogField field, int index )
	{
	doAddedSourceButtonPressed( index );
	}

	public void selectionChanged(DialogField field)
	{
	}
	} );
	field.addObserver( this );
	return field;
	}

	private SelectionButtonDialogField createSearchForDuplicateFilesButton()
	{
	SelectionButtonDialogField button = new SelectionButtonDialogField( SWT.CHECK );
	button.setLabelText( "Search for duplicate source files" );
	button.setDialogFieldListener(
	new IDialogFieldListener()
	{
	public void dialogFieldChanged( DialogField field )
	{
	doCheckStateChanged();
	}
	} );
	return button;
	}

	/* (non-Javadoc)
	* @see java.util.Observer#update(java.util.Observable, java.lang.Object)
	*/
	public void update( Observable o, Object arg )
	{
	if ( arg instanceof Integer && ((Integer)arg).intValue() == 0 )
	{
	if ( addSourceLocation() )
	fIsDirty = true;
	}
	else
	fIsDirty = true;
	if ( fIsDirty )
	updateLaunchConfigurationDialog();
	}

	private boolean isEmpty( String string )
	{
	return string == null \|\| string.length() == 0;
	}

	public void dispose()
	{
	if ( getAddedSourceListField() != null )
	{
	getAddedSourceListField().deleteObserver( this );
	getAddedSourceListField().dispose();
	}
	}

	private IProject getProjectFromLaunchConfiguration( ILaunchConfiguration configuration )
	{
	try
	{
	String projectName = configuration.getAttribute( ICDTLaunchConfigurationConstants.ATTR_PROJECT_NAME, "" );
	if ( !isEmpty( projectName ) )
	{
	IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject( projectName );
	if ( project != null && project.exists() && project.isOpen() )
	return project;
	}
	}
	catch( CoreException e )
	{
	}
	return null;
	}
	}