debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/actions/CBreakpointPropertiesDialog.java - cdt/org.eclipse.cdt - Git at Google

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

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

 import org.eclipse.cdt.debug.core.model.ICBreakpoint;
 import org.eclipse.cdt.debug.ui.CDebugUIPlugin;
 import org.eclipse.core.resources.IWorkspaceRunnable;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.jface.preference.IPreferencePageContainer;
 import org.eclipse.jface.preference.IPreferenceStore;
 import org.eclipse.jface.preference.PreferenceDialog;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.jface.resource.ImageRegistry;
 import org.eclipse.jface.resource.JFaceColors;
 import org.eclipse.jface.resource.JFaceResources;
 import org.eclipse.jface.util.IPropertyChangeListener;
 import org.eclipse.jface.util.PropertyChangeEvent;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.CLabel;
 import org.eclipse.swt.events.DisposeEvent;
 import org.eclipse.swt.events.DisposeListener;
 import org.eclipse.swt.graphics.Color;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.graphics.Rectangle;
 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.Control;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Layout;
 import org.eclipse.swt.widgets.Shell;

 /**
  *
  *
  * @since Aug 29, 2002
  */
 public class CBreakpointPropertiesDialog extends Dialog
 										 implements IPreferencePageContainer
 {
 	/**
 	 * Layout for the page container.
 	 *
 	 * @see CBreakpointPropertiesDialog#createPageContainer(Composite, int)
 	 */
 	private class PageLayout extends Layout
 	{
 		public void layout( Composite composite, boolean force )
 		{
 			Rectangle rect = composite.getClientArea();
 			Control[] children = composite.getChildren();
 			for ( int i = 0; i < children.length; i++ )
 			{
 				children[i].setSize( rect.width, rect.height );
 			}
 		}

 		public Point computeSize( Composite composite, int wHint, int hHint, boolean force )
 		{
 			if ( wHint != SWT.DEFAULT && hHint != SWT.DEFAULT )
 				return new Point( wHint, hHint );
 			int x = getMinimumPageSize().x;
 			int y = getMinimumPageSize().y;

 			Control[] children = composite.getChildren();
 			for ( int i = 0; i < children.length; i++ )
 			{
 				Point size = children[i].computeSize( SWT.DEFAULT, SWT.DEFAULT, force );
 				x = Math.max( x, size.x );
 				y = Math.max( y, size.y );
 			}
 			if ( wHint != SWT.DEFAULT )
 				x = wHint;
 			if ( hHint != SWT.DEFAULT )
 				y = hHint;
 			return new Point( x, y );
 		}
 	}

 	private Composite fTitleArea;
 	private Label fTitleImage;
 	private CLabel fMessageLabel;

 	private String fMessage;
 	private Color fNormalMsgAreaBackground;
 	private Image fErrorMsgImage;


 	private CBreakpointPreferencePage fPage;

 	private Button fOkButton;

 	/**
 	 * Must declare our own images as the JFaceResource images will not be created unless
 	 * a property/preference dialog has been shown
 	 */
 	protected static final String PREF_DLG_TITLE_IMG = "breakpoint_preference_dialog_title_image"; //$NON-NLS-1$
 	protected static final String PREF_DLG_IMG_TITLE_ERROR = "breakpoint_preference_dialog_title_error_image"; //$NON-NLS-1$
 	static
 	{
 		ImageRegistry reg = CDebugUIPlugin.getDefault().getImageRegistry();
 		reg.put( PREF_DLG_TITLE_IMG, ImageDescriptor.createFromFile( PreferenceDialog.class, "images/pref_dialog_title.gif" ) ); //$NON-NLS-1$
 		reg.put( PREF_DLG_IMG_TITLE_ERROR, ImageDescriptor.createFromFile( Dialog.class, "images/message_error.gif" ) ); //$NON-NLS-1$
 	}

 	/**
 	 * The Composite in which a page is shown.
 	 */
 	private Composite fPageContainer;

 	/**
 	 * The minimum page size; 200 by 200 by default.
 	 *
 	 * @see #setMinimumPageSize(Point)
 	 */
 	private Point fMinimumPageSize = new Point(200,200);

 	/**
 	 * The breakpoint that this dialog is operating on
 	 */
 	private ICBreakpoint fBreakpoint;

 	/**
 	 * The "fake" preference store used to interface between
 	 * the breakpoint and the breakpoint preference page.
 	 */
 	private CBreakpointPreferenceStore fCBreakpointPreferenceStore;

 	/**
 	 * Constructor for CBreakpointPropertiesDialog.
 	 * @param parentShell
 	 */
 	public CBreakpointPropertiesDialog( Shell parentShell, ICBreakpoint breakpoint )
 	{
 		super( parentShell );
 		setBreakpoint( breakpoint );
 		fCBreakpointPreferenceStore= new CBreakpointPreferenceStore();
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.jface.preference.IPreferencePageContainer#getPreferenceStore()
 	 */
 	public IPreferenceStore getPreferenceStore()
 	{
 		return fCBreakpointPreferenceStore;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.jface.preference.IPreferencePageContainer#updateButtons()
 	 */
 	public void updateButtons()
 	{
 		if ( fOkButton != null )
 		{
 			fOkButton.setEnabled( fPage.isValid() );
 		}
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.jface.preference.IPreferencePageContainer#updateMessage()
 	 */
 	public void updateMessage()
 	{
 		String pageMessage = fPage.getMessage();
 		String pageErrorMessage = fPage.getErrorMessage();

 		// Adjust the font
 		if ( pageMessage == null && pageErrorMessage == null )
 			fMessageLabel.setFont( JFaceResources.getBannerFont() );
 		else
 			fMessageLabel.setFont( JFaceResources.getDialogFont() );

 		// Set the message and error message
 		if ( pageMessage == null )
 		{
 			setMessage( fPage.getTitle() );
 		}
 		else
 		{
 			setMessage( pageMessage );
 		}
 		setErrorMessage( pageErrorMessage );
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.jface.preference.IPreferencePageContainer#updateTitle()
 	 */
 	public void updateTitle()
 	{
 		setTitle( fPage.getTitle() );
 	}

 	/**
 	 * Display the given error message. The currently displayed message
 	 * is saved and will be redisplayed when the error message is set
 	 * to <code>null</code>.
 	 *
 	 * @param errorMessage the errorMessage to display or <code>null</code>
 	 */
 	public void setErrorMessage( String errorMessage )
 	{
 		if ( errorMessage == null )
 		{
 			if ( fMessageLabel.getImage() != null )
 			{
 				// we were previously showing an error
 				fMessageLabel.setBackground( fNormalMsgAreaBackground );
 				fMessageLabel.setImage( null );
 				fTitleImage.setImage( CDebugUIPlugin.getDefault().getImageRegistry().get( PREF_DLG_TITLE_IMG ) );
 				fTitleArea.layout( true );
 			}
 			// show the message
 			setMessage( fMessage );
 		}
 		else
 		{
 			fMessageLabel.setText( errorMessage );
 			if ( fMessageLabel.getImage() == null )
 			{
 				// we were not previously showing an error

 				// lazy initialize the error background color and image
 				if ( fErrorMsgImage == null )
 				{
 					fErrorMsgImage = CDebugUIPlugin.getDefault().getImageRegistry().get( PREF_DLG_IMG_TITLE_ERROR );
 				}

 				// show the error
 				fNormalMsgAreaBackground = fMessageLabel.getBackground();
 				fMessageLabel.setBackground( JFaceColors.getErrorBackground( fMessageLabel.getDisplay() ) );
 				fMessageLabel.setImage( fErrorMsgImage );
 				fTitleImage.setImage( null );
 				fTitleArea.layout( true );
 			}
 		}
 	}

 	/**
 	 * Set the message text. If the message line currently displays an error,
 	 * the message is stored and will be shown after a call to clearErrorMessage
 	 */
 	public void setMessage( String newMessage )
 	{
 		fMessage = newMessage;
 		if ( fMessage == null )
 		{
 			fMessage = ""; //$NON-NLS-1$
 		}
 		if ( fMessageLabel.getImage() == null )
 		{
 			// we are not showing an error
 			fMessageLabel.setText( fMessage );
 		}
 	}

 	/**
 	 * Sets the title for this dialog.
 	 *
 	 * @param title the title.
 	 */
 	public void setTitle( String title )
 	{
 		Shell shell = getShell();
 		if ( ( shell != null ) && !shell.isDisposed() )
 		{
 			shell.setText( title );
 		}
 	}

 	/**
 	 * @see Dialog#okPressed()
 	 */
 	protected void okPressed()
 	{
 		final List changedProperties = new ArrayList( 5 );
 		getPreferenceStore().addPropertyChangeListener(
 							new IPropertyChangeListener()
 								{
 									/**
 									 * @see IPropertyChangeListener#propertyChange(PropertyChangeEvent)
 									 */
 									public void propertyChange( PropertyChangeEvent event )
 									{
 										changedProperties.add( event.getProperty() );
 									}
 								} );
 		fPage.performOk();
 		setBreakpointProperties( changedProperties );
 		super.okPressed();
 	}

 	/**
 	 * All of the properties that the user has changed via the dialog
 	 * are written through to the breakpoint.
 	 */
 	protected void setBreakpointProperties( final List changedProperties )
 	{
 		IWorkspaceRunnable wr = new IWorkspaceRunnable()
 		{
 			public void run( IProgressMonitor monitor ) throws CoreException
 			{
 				ICBreakpoint breakpoint = getBreakpoint();
 				Iterator changed = changedProperties.iterator();
 				while ( changed.hasNext() )
 				{
 					String property = (String)changed.next();
 					if ( property.equals( CBreakpointPreferenceStore.IGNORE_COUNT ) )
 					{
 						breakpoint.setIgnoreCount( getPreferenceStore().getInt( CBreakpointPreferenceStore.IGNORE_COUNT ) );
 					}
 					else if ( property.equals( CBreakpointPreferenceStore.CONDITION ) )
 					{
 						breakpoint.setCondition( getPreferenceStore().getString( CBreakpointPreferenceStore.CONDITION ) );
 					}
 				}
 			}
 		};

 		try
 		{
 			ResourcesPlugin.getWorkspace().run( wr, null );
 		}
 		catch( CoreException ce )
 		{
 			CDebugUIPlugin.log( ce );
 		}
 	}

 	protected ICBreakpoint getBreakpoint()
 	{
 		return fBreakpoint;
 	}

 	protected void setBreakpoint( ICBreakpoint breakpoint )
 	{
 		fBreakpoint = breakpoint;
 	}

 	/**
 	 * @see Dialog#createDialogArea(Composite)
 	 */
 	protected Control createDialogArea( Composite parent )
 	{
 		GridData gd;
 		Composite composite = (Composite) super.createDialogArea( parent );
 		((GridLayout)composite.getLayout()).numColumns = 1;

 		// Build the title area and separator line
 		Composite titleComposite = new Composite( composite, SWT.NONE );
 		GridLayout layout = new GridLayout();
 		layout.marginHeight = 0;
 		layout.marginWidth = 0;
 		layout.verticalSpacing = 0;
 		layout.horizontalSpacing = 0;
 		titleComposite.setLayout( layout );
 		titleComposite.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );

 		createTitleArea( titleComposite );

 		Label titleBarSeparator = new Label( titleComposite, SWT.HORIZONTAL | SWT.SEPARATOR );
 		gd = new GridData( GridData.FILL_HORIZONTAL );
 		titleBarSeparator.setLayoutData( gd );

 		// Build the Page container
 		fPageContainer = createPageContainer( composite, 2 );
 		fPageContainer.setLayoutData( new GridData( GridData.FILL_BOTH ) );
 		fPageContainer.setFont( parent.getFont() );

 		fPage = new CBreakpointPreferencePage( getBreakpoint() );
 		fPage.setContainer( this );
 		fPage.createControl( fPageContainer );

 		// Build the separator line
 		Label separator = new Label( composite, SWT.HORIZONTAL | SWT.SEPARATOR );
 		gd = new GridData( GridData.FILL_HORIZONTAL );
 		gd.horizontalSpan = 2;
 		separator.setLayoutData( gd );

 		return composite;
 	}

 	/**
 	 * Creates the dialog's title area.
 	 *
 	 * @param parent the SWT parent for the title area composite
 	 * @return the created title area composite
 	 */
 	private Composite createTitleArea( Composite parent )
 	{
 		// Create the title area which will contain
 		// a title, message, and image.
 		fTitleArea = new Composite( parent, SWT.NONE );
 		GridLayout layout = new GridLayout();
 		layout.marginHeight = 0;
 		layout.marginWidth = 0;
 		layout.verticalSpacing = 0;
 		layout.horizontalSpacing = 0;
 		layout.numColumns = 2;

 		// Get the colors for the title area
 		Display display = parent.getDisplay();
 		Color bg = JFaceColors.getBannerBackground( display );
 		Color fg = JFaceColors.getBannerForeground( display );

 		GridData layoutData = new GridData( GridData.FILL_BOTH );
 		fTitleArea.setLayout( layout );
 		fTitleArea.setLayoutData( layoutData );
 		fTitleArea.setBackground( bg );

 		// Message label
 		fMessageLabel = new CLabel( fTitleArea, SWT.LEFT );
 		fMessageLabel.setBackground( bg );
 		fMessageLabel.setForeground( fg );
 		fMessageLabel.setText( " " ); //$NON-NLS-1$
 		fMessageLabel.setFont( JFaceResources.getBannerFont() );

 		final IPropertyChangeListener fontListener =
 						new IPropertyChangeListener()
 							{
 								public void propertyChange( PropertyChangeEvent event )
 								{
 									if ( JFaceResources.BANNER_FONT.equals( event.getProperty() ) ||
 										 JFaceResources.DIALOG_FONT.equals( event.getProperty() ) )
 									{
 										updateMessage();
 									}
 								}
 							};

 		fMessageLabel.addDisposeListener(
 						new DisposeListener()
 							{
 								public void widgetDisposed( DisposeEvent event )
 								{
 									JFaceResources.getFontRegistry().removeListener( fontListener );
 								}
 							} );

 		JFaceResources.getFontRegistry().addListener( fontListener );

 		GridData gd = new GridData( GridData.FILL_BOTH );
 		fMessageLabel.setLayoutData( gd );

 		// Title image
 		fTitleImage = new Label( fTitleArea, SWT.LEFT );
 		fTitleImage.setBackground( bg );
 		fTitleImage.setImage( CDebugUIPlugin.getDefault().getImageRegistry().get( PREF_DLG_TITLE_IMG ) );
 		gd = new GridData();
 		gd.horizontalAlignment = GridData.END;
 		fTitleImage.setLayoutData( gd );

 		return fTitleArea;
 	}

 	/**
 	 * Creates the inner page container.
 	 */
 	private Composite createPageContainer( Composite parent, int numColumns )
 	{
 		Composite result = new Composite( parent, SWT.NULL );
 		result.setLayout( new PageLayout() );
 		return result;
 	}

 	/**
 	 * Sets the minimum page size.
 	 *
 	 * @param size the page size encoded as
 	 *   <code>new Point(width,height)</code>
 	 * @see #setMinimumPageSize(int,int)
 	 */
 	public void setMinimumPageSize( Point size )
 	{
 		fMinimumPageSize.x = size.x;
 		fMinimumPageSize.y = size.y;
 	}

 	/**
 	 * @see Dialog#createButtonsForButtonBar(Composite)
 	 */
 	protected void createButtonsForButtonBar( Composite parent )
 	{
 		fOkButton = createButton( parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true );
 		createButton( parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false );
 	}

 	protected Point getMinimumPageSize()
 	{
 		return fMinimumPageSize;
 	}
 }
	/*
	*(c) Copyright QNX Software Systems Ltd. 2002.
	* All Rights Reserved.
	*
	*/
	package org.eclipse.cdt.debug.internal.ui.actions;

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

	import org.eclipse.cdt.debug.core.model.ICBreakpoint;
	import org.eclipse.cdt.debug.ui.CDebugUIPlugin;
	import org.eclipse.core.resources.IWorkspaceRunnable;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IProgressMonitor;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.IDialogConstants;
	import org.eclipse.jface.preference.IPreferencePageContainer;
	import org.eclipse.jface.preference.IPreferenceStore;
	import org.eclipse.jface.preference.PreferenceDialog;
	import org.eclipse.jface.resource.ImageDescriptor;
	import org.eclipse.jface.resource.ImageRegistry;
	import org.eclipse.jface.resource.JFaceColors;
	import org.eclipse.jface.resource.JFaceResources;
	import org.eclipse.jface.util.IPropertyChangeListener;
	import org.eclipse.jface.util.PropertyChangeEvent;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.custom.CLabel;
	import org.eclipse.swt.events.DisposeEvent;
	import org.eclipse.swt.events.DisposeListener;
	import org.eclipse.swt.graphics.Color;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.graphics.Point;
	import org.eclipse.swt.graphics.Rectangle;
	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.Control;
	import org.eclipse.swt.widgets.Display;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Layout;
	import org.eclipse.swt.widgets.Shell;

	/**
	*
	*
	* @since Aug 29, 2002
	*/
	public class CBreakpointPropertiesDialog extends Dialog
	implements IPreferencePageContainer
	{
	/**
	* Layout for the page container.
	*
	* @see CBreakpointPropertiesDialog#createPageContainer(Composite, int)
	*/
	private class PageLayout extends Layout
	{
	public void layout( Composite composite, boolean force )
	{
	Rectangle rect = composite.getClientArea();
	Control[] children = composite.getChildren();
	for ( int i = 0; i < children.length; i++ )
	{
	children[i].setSize( rect.width, rect.height );
	}
	}

	public Point computeSize( Composite composite, int wHint, int hHint, boolean force )
	{
	if ( wHint != SWT.DEFAULT && hHint != SWT.DEFAULT )
	return new Point( wHint, hHint );
	int x = getMinimumPageSize().x;
	int y = getMinimumPageSize().y;

	Control[] children = composite.getChildren();
	for ( int i = 0; i < children.length; i++ )
	{
	Point size = children[i].computeSize( SWT.DEFAULT, SWT.DEFAULT, force );
	x = Math.max( x, size.x );
	y = Math.max( y, size.y );
	}
	if ( wHint != SWT.DEFAULT )
	x = wHint;
	if ( hHint != SWT.DEFAULT )
	y = hHint;
	return new Point( x, y );
	}
	}

	private Composite fTitleArea;
	private Label fTitleImage;
	private CLabel fMessageLabel;

	private String fMessage;
	private Color fNormalMsgAreaBackground;
	private Image fErrorMsgImage;


	private CBreakpointPreferencePage fPage;

	private Button fOkButton;

	/**
	* Must declare our own images as the JFaceResource images will not be created unless
	* a property/preference dialog has been shown
	*/
	protected static final String PREF_DLG_TITLE_IMG = "breakpoint_preference_dialog_title_image"; //$NON-NLS-1$
	protected static final String PREF_DLG_IMG_TITLE_ERROR = "breakpoint_preference_dialog_title_error_image"; //$NON-NLS-1$
	static
	{
	ImageRegistry reg = CDebugUIPlugin.getDefault().getImageRegistry();
	reg.put( PREF_DLG_TITLE_IMG, ImageDescriptor.createFromFile( PreferenceDialog.class, "images/pref_dialog_title.gif" ) ); //$NON-NLS-1$
	reg.put( PREF_DLG_IMG_TITLE_ERROR, ImageDescriptor.createFromFile( Dialog.class, "images/message_error.gif" ) ); //$NON-NLS-1$
	}

	/**
	* The Composite in which a page is shown.
	*/
	private Composite fPageContainer;

	/**
	* The minimum page size; 200 by 200 by default.
	*
	* @see #setMinimumPageSize(Point)
	*/
	private Point fMinimumPageSize = new Point(200,200);

	/**
	* The breakpoint that this dialog is operating on
	*/
	private ICBreakpoint fBreakpoint;

	/**
	* The "fake" preference store used to interface between
	* the breakpoint and the breakpoint preference page.
	*/
	private CBreakpointPreferenceStore fCBreakpointPreferenceStore;

	/**
	* Constructor for CBreakpointPropertiesDialog.
	* @param parentShell
	*/
	public CBreakpointPropertiesDialog( Shell parentShell, ICBreakpoint breakpoint )
	{
	super( parentShell );
	setBreakpoint( breakpoint );
	fCBreakpointPreferenceStore= new CBreakpointPreferenceStore();
	}

	/* (non-Javadoc)
	* @see org.eclipse.jface.preference.IPreferencePageContainer#getPreferenceStore()
	*/
	public IPreferenceStore getPreferenceStore()
	{
	return fCBreakpointPreferenceStore;
	}

	/* (non-Javadoc)
	* @see org.eclipse.jface.preference.IPreferencePageContainer#updateButtons()
	*/
	public void updateButtons()
	{
	if ( fOkButton != null )
	{
	fOkButton.setEnabled( fPage.isValid() );
	}
	}

	/* (non-Javadoc)
	* @see org.eclipse.jface.preference.IPreferencePageContainer#updateMessage()
	*/
	public void updateMessage()
	{
	String pageMessage = fPage.getMessage();
	String pageErrorMessage = fPage.getErrorMessage();

	// Adjust the font
	if ( pageMessage == null && pageErrorMessage == null )
	fMessageLabel.setFont( JFaceResources.getBannerFont() );
	else
	fMessageLabel.setFont( JFaceResources.getDialogFont() );

	// Set the message and error message
	if ( pageMessage == null )
	{
	setMessage( fPage.getTitle() );
	}
	else
	{
	setMessage( pageMessage );
	}
	setErrorMessage( pageErrorMessage );
	}

	/* (non-Javadoc)
	* @see org.eclipse.jface.preference.IPreferencePageContainer#updateTitle()
	*/
	public void updateTitle()
	{
	setTitle( fPage.getTitle() );
	}

	/**
	* Display the given error message. The currently displayed message
	* is saved and will be redisplayed when the error message is set
	* to <code>null</code>.
	*
	* @param errorMessage the errorMessage to display or <code>null</code>
	*/
	public void setErrorMessage( String errorMessage )
	{
	if ( errorMessage == null )
	{
	if ( fMessageLabel.getImage() != null )
	{
	// we were previously showing an error
	fMessageLabel.setBackground( fNormalMsgAreaBackground );
	fMessageLabel.setImage( null );
	fTitleImage.setImage( CDebugUIPlugin.getDefault().getImageRegistry().get( PREF_DLG_TITLE_IMG ) );
	fTitleArea.layout( true );
	}
	// show the message
	setMessage( fMessage );
	}
	else
	{
	fMessageLabel.setText( errorMessage );
	if ( fMessageLabel.getImage() == null )
	{
	// we were not previously showing an error

	// lazy initialize the error background color and image
	if ( fErrorMsgImage == null )
	{
	fErrorMsgImage = CDebugUIPlugin.getDefault().getImageRegistry().get( PREF_DLG_IMG_TITLE_ERROR );
	}

	// show the error
	fNormalMsgAreaBackground = fMessageLabel.getBackground();
	fMessageLabel.setBackground( JFaceColors.getErrorBackground( fMessageLabel.getDisplay() ) );
	fMessageLabel.setImage( fErrorMsgImage );
	fTitleImage.setImage( null );
	fTitleArea.layout( true );
	}
	}
	}

	/**
	* Set the message text. If the message line currently displays an error,
	* the message is stored and will be shown after a call to clearErrorMessage
	*/
	public void setMessage( String newMessage )
	{
	fMessage = newMessage;
	if ( fMessage == null )
	{
	fMessage = ""; //$NON-NLS-1$
	}
	if ( fMessageLabel.getImage() == null )
	{
	// we are not showing an error
	fMessageLabel.setText( fMessage );
	}
	}

	/**
	* Sets the title for this dialog.
	*
	* @param title the title.
	*/
	public void setTitle( String title )
	{
	Shell shell = getShell();
	if ( ( shell != null ) && !shell.isDisposed() )
	{
	shell.setText( title );
	}
	}

	/**
	* @see Dialog#okPressed()
	*/
	protected void okPressed()
	{
	final List changedProperties = new ArrayList( 5 );
	getPreferenceStore().addPropertyChangeListener(
	new IPropertyChangeListener()
	{
	/**
	* @see IPropertyChangeListener#propertyChange(PropertyChangeEvent)
	*/
	public void propertyChange( PropertyChangeEvent event )
	{
	changedProperties.add( event.getProperty() );
	}
	} );
	fPage.performOk();
	setBreakpointProperties( changedProperties );
	super.okPressed();
	}

	/**
	* All of the properties that the user has changed via the dialog
	* are written through to the breakpoint.
	*/
	protected void setBreakpointProperties( final List changedProperties )
	{
	IWorkspaceRunnable wr = new IWorkspaceRunnable()
	{
	public void run( IProgressMonitor monitor ) throws CoreException
	{
	ICBreakpoint breakpoint = getBreakpoint();
	Iterator changed = changedProperties.iterator();
	while ( changed.hasNext() )
	{
	String property = (String)changed.next();
	if ( property.equals( CBreakpointPreferenceStore.IGNORE_COUNT ) )
	{
	breakpoint.setIgnoreCount( getPreferenceStore().getInt( CBreakpointPreferenceStore.IGNORE_COUNT ) );
	}
	else if ( property.equals( CBreakpointPreferenceStore.CONDITION ) )
	{
	breakpoint.setCondition( getPreferenceStore().getString( CBreakpointPreferenceStore.CONDITION ) );
	}
	}
	}
	};

	try
	{
	ResourcesPlugin.getWorkspace().run( wr, null );
	}
	catch( CoreException ce )
	{
	CDebugUIPlugin.log( ce );
	}
	}

	protected ICBreakpoint getBreakpoint()
	{
	return fBreakpoint;
	}

	protected void setBreakpoint( ICBreakpoint breakpoint )
	{
	fBreakpoint = breakpoint;
	}

	/**
	* @see Dialog#createDialogArea(Composite)
	*/
	protected Control createDialogArea( Composite parent )
	{
	GridData gd;
	Composite composite = (Composite) super.createDialogArea( parent );
	((GridLayout)composite.getLayout()).numColumns = 1;

	// Build the title area and separator line
	Composite titleComposite = new Composite( composite, SWT.NONE );
	GridLayout layout = new GridLayout();
	layout.marginHeight = 0;
	layout.marginWidth = 0;
	layout.verticalSpacing = 0;
	layout.horizontalSpacing = 0;
	titleComposite.setLayout( layout );
	titleComposite.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );

	createTitleArea( titleComposite );

	Label titleBarSeparator = new Label( titleComposite, SWT.HORIZONTAL \| SWT.SEPARATOR );
	gd = new GridData( GridData.FILL_HORIZONTAL );
	titleBarSeparator.setLayoutData( gd );

	// Build the Page container
	fPageContainer = createPageContainer( composite, 2 );
	fPageContainer.setLayoutData( new GridData( GridData.FILL_BOTH ) );
	fPageContainer.setFont( parent.getFont() );

	fPage = new CBreakpointPreferencePage( getBreakpoint() );
	fPage.setContainer( this );
	fPage.createControl( fPageContainer );

	// Build the separator line
	Label separator = new Label( composite, SWT.HORIZONTAL \| SWT.SEPARATOR );
	gd = new GridData( GridData.FILL_HORIZONTAL );
	gd.horizontalSpan = 2;
	separator.setLayoutData( gd );

	return composite;
	}

	/**
	* Creates the dialog's title area.
	*
	* @param parent the SWT parent for the title area composite
	* @return the created title area composite
	*/
	private Composite createTitleArea( Composite parent )
	{
	// Create the title area which will contain
	// a title, message, and image.
	fTitleArea = new Composite( parent, SWT.NONE );
	GridLayout layout = new GridLayout();
	layout.marginHeight = 0;
	layout.marginWidth = 0;
	layout.verticalSpacing = 0;
	layout.horizontalSpacing = 0;
	layout.numColumns = 2;

	// Get the colors for the title area
	Display display = parent.getDisplay();
	Color bg = JFaceColors.getBannerBackground( display );
	Color fg = JFaceColors.getBannerForeground( display );

	GridData layoutData = new GridData( GridData.FILL_BOTH );
	fTitleArea.setLayout( layout );
	fTitleArea.setLayoutData( layoutData );
	fTitleArea.setBackground( bg );

	// Message label
	fMessageLabel = new CLabel( fTitleArea, SWT.LEFT );
	fMessageLabel.setBackground( bg );
	fMessageLabel.setForeground( fg );
	fMessageLabel.setText( " " ); //$NON-NLS-1$
	fMessageLabel.setFont( JFaceResources.getBannerFont() );

	final IPropertyChangeListener fontListener =
	new IPropertyChangeListener()
	{
	public void propertyChange( PropertyChangeEvent event )
	{
	if ( JFaceResources.BANNER_FONT.equals( event.getProperty() ) \|\|
	JFaceResources.DIALOG_FONT.equals( event.getProperty() ) )
	{
	updateMessage();
	}
	}
	};

	fMessageLabel.addDisposeListener(
	new DisposeListener()
	{
	public void widgetDisposed( DisposeEvent event )
	{
	JFaceResources.getFontRegistry().removeListener( fontListener );
	}
	} );

	JFaceResources.getFontRegistry().addListener( fontListener );

	GridData gd = new GridData( GridData.FILL_BOTH );
	fMessageLabel.setLayoutData( gd );

	// Title image
	fTitleImage = new Label( fTitleArea, SWT.LEFT );
	fTitleImage.setBackground( bg );
	fTitleImage.setImage( CDebugUIPlugin.getDefault().getImageRegistry().get( PREF_DLG_TITLE_IMG ) );
	gd = new GridData();
	gd.horizontalAlignment = GridData.END;
	fTitleImage.setLayoutData( gd );

	return fTitleArea;
	}

	/**
	* Creates the inner page container.
	*/
	private Composite createPageContainer( Composite parent, int numColumns )
	{
	Composite result = new Composite( parent, SWT.NULL );
	result.setLayout( new PageLayout() );
	return result;
	}

	/**
	* Sets the minimum page size.
	*
	* @param size the page size encoded as
	* <code>new Point(width,height)</code>
	* @see #setMinimumPageSize(int,int)
	*/
	public void setMinimumPageSize( Point size )
	{
	fMinimumPageSize.x = size.x;
	fMinimumPageSize.y = size.y;
	}

	/**
	* @see Dialog#createButtonsForButtonBar(Composite)
	*/
	protected void createButtonsForButtonBar( Composite parent )
	{
	fOkButton = createButton( parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true );
	createButton( parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false );
	}

	protected Point getMinimumPageSize()
	{
	return fMinimumPageSize;
	}
	}