bundles/org.eclipse.ui/Eclipse JFace/org/eclipse/jface/dialogs/TitleAreaDialog.java - platform/eclipse.platform.ui - Git at Google

 package org.eclipse.jface.dialogs;

 /*
  * (c) Copyright IBM Corp. 2000, 2001.
  * All Rights Reserved.
  */
 import org.eclipse.swt.layout.*;
 import org.eclipse.swt.events.*;
 import org.eclipse.jface.resource.*;
 import org.eclipse.swt.*;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.swt.graphics.*;
 /**
  * A dialog that has a title area for displaying a title and an image as well as
  * a common area for displaying a description, a message, or an error message.
  * <p>
  * This dialog class may be subclassed.
  */
 public class TitleAreaDialog extends Dialog {
 	/**
 	 * Image registry key for error message image (value <code>"dialog_title_error_image"</code>).
 	 */
 	public static final String DLG_IMG_TITLE_ERROR = "dialog_title_error_image";//$NON-NLS-1$

 	/**
 	 * Image registry key for banner image (value <code>"dialog_title_banner_image"</code>).
 	 */
 	public static final String DLG_IMG_TITLE_BANNER = "dialog_title_banner_image";//$NON-NLS-1$

 	// Space between the top of the title area and the title
 	private static final int H_INDENT_TITLE = 7;
 	// Space between the left of the title area and the title
 	private static final int V_INDENT_TITLE = 8;
 	// Space between an image and a label
 	private static final int H_GAP_IMAGE = 5;
 	// Space between the title bottom and message area top
 	private static final int V_INDENT_MSG_AREA = 3;
 	// Space between the left of the title area and the message
 	private static final int H_INDENT_MSG = 11;
 	// Space between the message area top and the top of the message label
 	private static final int V_INDENT_MSG = 3;
 	//Minimum height of the title image
 	private static final int MIN_TITLE_IMAGE_HEIGHT = 64;
 	//Minimum width of the title image
 	private static final int MIN_TITLE_IMAGE_WIDTH = 64;

 	static {
 		ImageRegistry reg = JFaceResources.getImageRegistry();
 		reg.put(DLG_IMG_TITLE_ERROR, ImageDescriptor.createFromFile(TitleAreaDialog.class, "images/title_error.gif"));//$NON-NLS-1$
 		reg.put(DLG_IMG_TITLE_BANNER, ImageDescriptor.createFromFile(TitleAreaDialog.class, "images/title_banner.gif"));//$NON-NLS-1$
 	}

 	// Title area fields
 	private static final RGB ERROR_BACKGROUND_RGB = new RGB(230, 226, 221);
 	private static final RGB ERROR_BORDER_RGB = new RGB(192, 192, 192);

 	private Composite titleArea;
 	private Label titleLabel;
 	private Label titleImage;
 	private Color titleAreaColor;
 	private RGB titleAreaRGB;

 	private String message;
 	private Composite messageArea;
 	private Label messageLabel;
 	private Label messageImage;
 	private Color normalMsgAreaBackground;
 	private Color errorMsgAreaBackground;
 	private Color errorMsgAreaBorderColor;
 	private Image errorMsgImage;

 	/**
 	 * Layout the contents of the title area.
 	 */
 	class TitleAreaLayout extends Layout {

 		protected Point computeSize(Composite composite, int wHint, int hHint, boolean flushCache) {
 			// get the title size
 			Point titleSize = titleLabel.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);

 			// get the message image size
 			Point messageImageSize = new Point(0,0);
 			if (messageImage.getVisible())
 				messageImageSize = messageImage.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);

 			// get the message size
 			String temp = messageLabel.getText();
 			messageLabel.setText(" \n ");//$NON-NLS-1$
 			Point messageSize = messageLabel.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
 			messageLabel.setText(temp);

 			// get the title image size
 			Point titleImageSize = new Point(0,0);
 			if (titleImage.getVisible())
 				titleImageSize = titleImage.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);

 			int width = Math.max(
 				H_INDENT_TITLE + titleSize.x,
 				H_INDENT_MSG + messageImageSize.x + (messageImageSize.x > 0 ? H_GAP_IMAGE : 0) + messageSize.x)
 					+ (titleImageSize.x > 0 ? H_GAP_IMAGE : 0) + titleImageSize.x;
 			int height = Math.max(
 				V_INDENT_TITLE + titleSize.y + V_INDENT_MSG_AREA + V_INDENT_MSG +
 					Math.max(messageImageSize.y, messageSize.y) + V_INDENT_MSG,
 				titleImageSize.y);
 			return new Point(width, height);
 		}

 		protected void layout(Composite composite, boolean flushCache) {
 			Rectangle bounds = composite.getClientArea();
 			int currentXEnd = bounds.width;

 			// layout the title image
 			if (titleImage.getVisible()) {
 				Point imageSize = titleImage.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
 				int imageWidth = Math.max(imageSize.x, MIN_TITLE_IMAGE_WIDTH);
 				currentXEnd -= imageWidth;
 				titleImage.setBounds(
 					currentXEnd,
 					0,
 					imageWidth,
 					Math.max(imageSize.y, MIN_TITLE_IMAGE_HEIGHT));
 			}

 			// layout the title
 			Point titleSize = titleLabel.computeSize(currentXEnd - H_INDENT_TITLE, SWT.DEFAULT, true);
 			titleLabel.setBounds(H_INDENT_TITLE, V_INDENT_TITLE, titleSize.x, titleSize.y);

 			// layout the message area composite
 			int currentY = V_INDENT_TITLE + titleSize.y + V_INDENT_MSG_AREA;
 			int messageAreaHeight = bounds.height - currentY;
 			messageArea.setBounds(0, currentY, currentXEnd, messageAreaHeight);

 			if (titleImage.getVisible())
 				currentXEnd -= H_GAP_IMAGE;

 			// layout the message image
 			int currentXBegin = H_INDENT_MSG;
 			if (messageImage.getVisible()) {
 				Point imageSize = messageImage.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
 				messageImage.setBounds(currentXBegin, V_INDENT_MSG, imageSize.x, imageSize.y);
 				currentXBegin += imageSize.x + H_GAP_IMAGE;
 			}

 			// layout the message
 			String temp = messageLabel.getText();
 			messageLabel.setText(" \n ");  // 2 line limit//$NON-NLS-1$
 			int labelHeight = messageLabel.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).y;
 			messageLabel.setText(temp);
 			messageLabel.setBounds(currentXBegin, V_INDENT_MSG, currentXEnd - currentXBegin,
 				labelHeight);
 		}
 	}
 /**
  * Instantiate a new title area dialog.
  *
  * @param parentShell the parent SWT shell
  */
 public TitleAreaDialog(Shell parentShell) {
 	super(parentShell);
 }
 /**
  * Creates and returns the contents of the upper part
  * of this dialog (above the button bar).
  * <p>
  * The <code>Dialog</code> implementation of this framework method
  * creates and returns a new <code>Composite</code> with
  * standard margins and spacing. Subclasses should override.
  * </p>
  *
  * @param the parent composite to contain the dialog area
  * @return the dialog area control
  */
 protected Control createDialogArea(Composite parent) {
 	// create the top level composite for the dialog area
 	Composite composite = new Composite(parent, SWT.NONE);
 	GridLayout layout = new GridLayout();
 	layout.marginHeight = 0;
 	layout.marginWidth = 0;
 	layout.verticalSpacing = 0;
 	layout.horizontalSpacing = 0;
 	composite.setLayout(layout);
 	composite.setLayoutData(new GridData(GridData.FILL_BOTH));
 	composite.setFont(parent.getFont());

 	// create the title area
 	createTitleArea(composite);

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

 	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.
 	titleArea = new Composite(parent, SWT.NONE);
 	titleArea.setLayout(new TitleAreaLayout());
 	titleArea.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 	// add a dispose listener
 	titleArea.addDisposeListener(new DisposeListener() {
 		public void widgetDisposed(DisposeEvent e) {
 			if (titleAreaColor != null)
 				titleAreaColor.dispose();
 			if (errorMsgAreaBackground != null)
 				errorMsgAreaBackground.dispose();
 			if (errorMsgAreaBorderColor != null)
 				errorMsgAreaBorderColor.dispose();
 		}
 	});


 	// Determine the background color of the title bar
 	Display display = parent.getDisplay();
 	Color bg;
 	if (titleAreaRGB != null) {
 		titleAreaColor = new Color(display, titleAreaRGB);
 		bg = titleAreaColor;
 	} else {
 		bg = display.getSystemColor(SWT.COLOR_WHITE);
 	}
 	titleArea.setBackground(bg);

 	// Title label @ top, left
 	titleLabel = new Label(titleArea, SWT.LEFT);
 	titleLabel.setBackground(bg);
 	titleLabel.setFont(JFaceResources.getBannerFont());
 	titleLabel.setText(" ");//$NON-NLS-1$

 	// Composite to hold message label & icon
 	// Need it to draw background color box when error msg
 	messageArea = new Composite(titleArea, SWT.NONE);
 	messageArea.setBackground(bg);

 	// Draw a border for the top and right side of the msg area
 	messageArea.addPaintListener(new PaintListener() {
 		public void paintControl(PaintEvent event) {
 			if (messageImage.getVisible()) {
 				Rectangle area = messageArea.getClientArea();
 				GC gc = event.gc;
 				if (errorMsgAreaBorderColor == null)
 					errorMsgAreaBorderColor = new Color(messageArea.getDisplay(), ERROR_BORDER_RGB);
 				gc.setForeground(errorMsgAreaBorderColor);
 				gc.setLineWidth(1);
 				gc.drawLine(area.x, area.y, area.x + area.width - 1, area.y);
 				gc.drawLine(area.x + area.width  - 1, area.y, area.x + area.width - 1, area.y + area.height - 1);
 			}
 		}
 	});

 	// Message image @ bottom, left
 	messageImage = new Label(messageArea, SWT.LEFT);
 	messageImage.setBackground(bg);
 	messageImage.setVisible(false);

 	// Message label @ bottom, center
 	messageLabel = new Label(messageArea, SWT.WRAP);
 	messageLabel.setBackground(bg);
 	messageLabel.setText(" \n "); // two lines//$NON-NLS-1$
 	messageLabel.setFont(parent.getFont());

 	// Dialog image @ right
 	titleImage = new Label(titleArea, SWT.CENTER);
 	titleImage.setBackground(bg);
 	titleImage.setImage(JFaceResources.getImage(DLG_IMG_TITLE_BANNER));
 	GridData gd = new GridData();
 	gd.horizontalAlignment = gd.END;
 	titleImage.setLayoutData(gd);

 	return titleArea;
 }
 /**
  * Returns the title area composite.
  *
  * @return the title area composite
  */
 protected Composite getTitleArea() {
 	return titleArea;
 }
 /**
  * Returns the title image label.
  *
  * @return the title image label
  */
 protected Label getTitleImageLabel() {
 	return titleImage;
 }
 /**
  * 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 (messageImage.getVisible()) {
 			// we were previously showing an error
 			messageLabel.setBackground(normalMsgAreaBackground);
 			messageImage.setBackground(normalMsgAreaBackground);
 			messageArea.setBackground(normalMsgAreaBackground);
 			messageImage.setVisible(false);
 			messageImage.setImage(null);
 			titleArea.layout(true);
 		}

 		// show the message
 		setMessage(message);

 	} else {
 		messageLabel.setText(errorMessage);
 		if (!messageImage.getVisible()) {
 			// we were not previously showing an error

 			// lazy initialize the error background color and image
 			if (errorMsgAreaBackground == null) {
 				errorMsgAreaBackground = new Color(messageLabel.getDisplay(), ERROR_BACKGROUND_RGB);
 				errorMsgImage = JFaceResources.getImage(DLG_IMG_TITLE_ERROR);
 			}

 			// show the error
 			normalMsgAreaBackground = messageLabel.getBackground();
 			messageLabel.setBackground(errorMsgAreaBackground);
 			messageImage.setBackground(errorMsgAreaBackground);
 			messageArea.setBackground(errorMsgAreaBackground);
 			messageImage.setImage(errorMsgImage);
 			messageImage.setVisible(true);
 			titleArea.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) {
 	message = newMessage;
 	if (message == null)
 		message = "";//$NON-NLS-1$
 	if (!messageImage.getVisible())
 		// we are not showing an error
 		messageLabel.setText(message);
 }
 /**
  * Sets the title to be shown in the title area of this dialog.
  *
  * @param newTitle the title show
  */
 public void setTitle(String newTitle) {
 	if (titleLabel == null)
 		return;
 	String title = newTitle;
 	if (title == null)
 		title = "";//$NON-NLS-1$
 	titleLabel.setText(title);
 }
 /**
  * Sets the title bar color for this dialog.
  *
  * @param color the title bar color
  */
 public void setTitleAreaColor(RGB color) {
 	titleAreaRGB = color;
 }
 /**
  * Sets the title image to be shown in the title area of this dialog.
  *
  * @param newTitle the title image show
  */
 public void setTitleImage(Image newTitleImage) {
 	titleImage.setImage(newTitleImage);
 	titleImage.setVisible(newTitleImage != null);
 }
 }
	package org.eclipse.jface.dialogs;

	/*
	* (c) Copyright IBM Corp. 2000, 2001.
	* All Rights Reserved.
	*/
	import org.eclipse.swt.layout.*;
	import org.eclipse.swt.events.*;
	import org.eclipse.jface.resource.*;
	import org.eclipse.swt.*;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.swt.graphics.*;
	/**
	* A dialog that has a title area for displaying a title and an image as well as
	* a common area for displaying a description, a message, or an error message.
	* <p>
	* This dialog class may be subclassed.
	*/
	public class TitleAreaDialog extends Dialog {
	/**
	* Image registry key for error message image (value <code>"dialog_title_error_image"</code>).
	*/
	public static final String DLG_IMG_TITLE_ERROR = "dialog_title_error_image";//$NON-NLS-1$

	/**
	* Image registry key for banner image (value <code>"dialog_title_banner_image"</code>).
	*/
	public static final String DLG_IMG_TITLE_BANNER = "dialog_title_banner_image";//$NON-NLS-1$

	// Space between the top of the title area and the title
	private static final int H_INDENT_TITLE = 7;
	// Space between the left of the title area and the title
	private static final int V_INDENT_TITLE = 8;
	// Space between an image and a label
	private static final int H_GAP_IMAGE = 5;
	// Space between the title bottom and message area top
	private static final int V_INDENT_MSG_AREA = 3;
	// Space between the left of the title area and the message
	private static final int H_INDENT_MSG = 11;
	// Space between the message area top and the top of the message label
	private static final int V_INDENT_MSG = 3;
	//Minimum height of the title image
	private static final int MIN_TITLE_IMAGE_HEIGHT = 64;
	//Minimum width of the title image
	private static final int MIN_TITLE_IMAGE_WIDTH = 64;

	static {
	ImageRegistry reg = JFaceResources.getImageRegistry();
	reg.put(DLG_IMG_TITLE_ERROR, ImageDescriptor.createFromFile(TitleAreaDialog.class, "images/title_error.gif"));//$NON-NLS-1$
	reg.put(DLG_IMG_TITLE_BANNER, ImageDescriptor.createFromFile(TitleAreaDialog.class, "images/title_banner.gif"));//$NON-NLS-1$
	}

	// Title area fields
	private static final RGB ERROR_BACKGROUND_RGB = new RGB(230, 226, 221);
	private static final RGB ERROR_BORDER_RGB = new RGB(192, 192, 192);

	private Composite titleArea;
	private Label titleLabel;
	private Label titleImage;
	private Color titleAreaColor;
	private RGB titleAreaRGB;

	private String message;
	private Composite messageArea;
	private Label messageLabel;
	private Label messageImage;
	private Color normalMsgAreaBackground;
	private Color errorMsgAreaBackground;
	private Color errorMsgAreaBorderColor;
	private Image errorMsgImage;

	/**
	* Layout the contents of the title area.
	*/
	class TitleAreaLayout extends Layout {

	protected Point computeSize(Composite composite, int wHint, int hHint, boolean flushCache) {
	// get the title size
	Point titleSize = titleLabel.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);

	// get the message image size
	Point messageImageSize = new Point(0,0);
	if (messageImage.getVisible())
	messageImageSize = messageImage.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);

	// get the message size
	String temp = messageLabel.getText();
	messageLabel.setText(" \n ");//$NON-NLS-1$
	Point messageSize = messageLabel.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
	messageLabel.setText(temp);

	// get the title image size
	Point titleImageSize = new Point(0,0);
	if (titleImage.getVisible())
	titleImageSize = titleImage.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);

	int width = Math.max(
	H_INDENT_TITLE + titleSize.x,
	H_INDENT_MSG + messageImageSize.x + (messageImageSize.x > 0 ? H_GAP_IMAGE : 0) + messageSize.x)
	+ (titleImageSize.x > 0 ? H_GAP_IMAGE : 0) + titleImageSize.x;
	int height = Math.max(
	V_INDENT_TITLE + titleSize.y + V_INDENT_MSG_AREA + V_INDENT_MSG +
	Math.max(messageImageSize.y, messageSize.y) + V_INDENT_MSG,
	titleImageSize.y);
	return new Point(width, height);
	}

	protected void layout(Composite composite, boolean flushCache) {
	Rectangle bounds = composite.getClientArea();
	int currentXEnd = bounds.width;

	// layout the title image
	if (titleImage.getVisible()) {
	Point imageSize = titleImage.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
	int imageWidth = Math.max(imageSize.x, MIN_TITLE_IMAGE_WIDTH);
	currentXEnd -= imageWidth;
	titleImage.setBounds(
	currentXEnd,
	0,
	imageWidth,
	Math.max(imageSize.y, MIN_TITLE_IMAGE_HEIGHT));
	}

	// layout the title
	Point titleSize = titleLabel.computeSize(currentXEnd - H_INDENT_TITLE, SWT.DEFAULT, true);
	titleLabel.setBounds(H_INDENT_TITLE, V_INDENT_TITLE, titleSize.x, titleSize.y);

	// layout the message area composite
	int currentY = V_INDENT_TITLE + titleSize.y + V_INDENT_MSG_AREA;
	int messageAreaHeight = bounds.height - currentY;
	messageArea.setBounds(0, currentY, currentXEnd, messageAreaHeight);

	if (titleImage.getVisible())
	currentXEnd -= H_GAP_IMAGE;

	// layout the message image
	int currentXBegin = H_INDENT_MSG;
	if (messageImage.getVisible()) {
	Point imageSize = messageImage.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
	messageImage.setBounds(currentXBegin, V_INDENT_MSG, imageSize.x, imageSize.y);
	currentXBegin += imageSize.x + H_GAP_IMAGE;
	}

	// layout the message
	String temp = messageLabel.getText();
	messageLabel.setText(" \n "); // 2 line limit//$NON-NLS-1$
	int labelHeight = messageLabel.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).y;
	messageLabel.setText(temp);
	messageLabel.setBounds(currentXBegin, V_INDENT_MSG, currentXEnd - currentXBegin,
	labelHeight);
	}
	}
	/**
	* Instantiate a new title area dialog.
	*
	* @param parentShell the parent SWT shell
	*/
	public TitleAreaDialog(Shell parentShell) {
	super(parentShell);
	}
	/**
	* Creates and returns the contents of the upper part
	* of this dialog (above the button bar).
	* <p>
	* The <code>Dialog</code> implementation of this framework method
	* creates and returns a new <code>Composite</code> with
	* standard margins and spacing. Subclasses should override.
	* </p>
	*
	* @param the parent composite to contain the dialog area
	* @return the dialog area control
	*/
	protected Control createDialogArea(Composite parent) {
	// create the top level composite for the dialog area
	Composite composite = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.marginHeight = 0;
	layout.marginWidth = 0;
	layout.verticalSpacing = 0;
	layout.horizontalSpacing = 0;
	composite.setLayout(layout);
	composite.setLayoutData(new GridData(GridData.FILL_BOTH));
	composite.setFont(parent.getFont());

	// create the title area
	createTitleArea(composite);

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

	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.
	titleArea = new Composite(parent, SWT.NONE);
	titleArea.setLayout(new TitleAreaLayout());
	titleArea.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	// add a dispose listener
	titleArea.addDisposeListener(new DisposeListener() {
	public void widgetDisposed(DisposeEvent e) {
	if (titleAreaColor != null)
	titleAreaColor.dispose();
	if (errorMsgAreaBackground != null)
	errorMsgAreaBackground.dispose();
	if (errorMsgAreaBorderColor != null)
	errorMsgAreaBorderColor.dispose();
	}
	});


	// Determine the background color of the title bar
	Display display = parent.getDisplay();
	Color bg;
	if (titleAreaRGB != null) {
	titleAreaColor = new Color(display, titleAreaRGB);
	bg = titleAreaColor;
	} else {
	bg = display.getSystemColor(SWT.COLOR_WHITE);
	}
	titleArea.setBackground(bg);

	// Title label @ top, left
	titleLabel = new Label(titleArea, SWT.LEFT);
	titleLabel.setBackground(bg);
	titleLabel.setFont(JFaceResources.getBannerFont());
	titleLabel.setText(" ");//$NON-NLS-1$

	// Composite to hold message label & icon
	// Need it to draw background color box when error msg
	messageArea = new Composite(titleArea, SWT.NONE);
	messageArea.setBackground(bg);

	// Draw a border for the top and right side of the msg area
	messageArea.addPaintListener(new PaintListener() {
	public void paintControl(PaintEvent event) {
	if (messageImage.getVisible()) {
	Rectangle area = messageArea.getClientArea();
	GC gc = event.gc;
	if (errorMsgAreaBorderColor == null)
	errorMsgAreaBorderColor = new Color(messageArea.getDisplay(), ERROR_BORDER_RGB);
	gc.setForeground(errorMsgAreaBorderColor);
	gc.setLineWidth(1);
	gc.drawLine(area.x, area.y, area.x + area.width - 1, area.y);
	gc.drawLine(area.x + area.width - 1, area.y, area.x + area.width - 1, area.y + area.height - 1);
	}
	}
	});

	// Message image @ bottom, left
	messageImage = new Label(messageArea, SWT.LEFT);
	messageImage.setBackground(bg);
	messageImage.setVisible(false);

	// Message label @ bottom, center
	messageLabel = new Label(messageArea, SWT.WRAP);
	messageLabel.setBackground(bg);
	messageLabel.setText(" \n "); // two lines//$NON-NLS-1$
	messageLabel.setFont(parent.getFont());

	// Dialog image @ right
	titleImage = new Label(titleArea, SWT.CENTER);
	titleImage.setBackground(bg);
	titleImage.setImage(JFaceResources.getImage(DLG_IMG_TITLE_BANNER));
	GridData gd = new GridData();
	gd.horizontalAlignment = gd.END;
	titleImage.setLayoutData(gd);

	return titleArea;
	}
	/**
	* Returns the title area composite.
	*
	* @return the title area composite
	*/
	protected Composite getTitleArea() {
	return titleArea;
	}
	/**
	* Returns the title image label.
	*
	* @return the title image label
	*/
	protected Label getTitleImageLabel() {
	return titleImage;
	}
	/**
	* 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 (messageImage.getVisible()) {
	// we were previously showing an error
	messageLabel.setBackground(normalMsgAreaBackground);
	messageImage.setBackground(normalMsgAreaBackground);
	messageArea.setBackground(normalMsgAreaBackground);
	messageImage.setVisible(false);
	messageImage.setImage(null);
	titleArea.layout(true);
	}

	// show the message
	setMessage(message);

	} else {
	messageLabel.setText(errorMessage);
	if (!messageImage.getVisible()) {
	// we were not previously showing an error

	// lazy initialize the error background color and image
	if (errorMsgAreaBackground == null) {
	errorMsgAreaBackground = new Color(messageLabel.getDisplay(), ERROR_BACKGROUND_RGB);
	errorMsgImage = JFaceResources.getImage(DLG_IMG_TITLE_ERROR);
	}

	// show the error
	normalMsgAreaBackground = messageLabel.getBackground();
	messageLabel.setBackground(errorMsgAreaBackground);
	messageImage.setBackground(errorMsgAreaBackground);
	messageArea.setBackground(errorMsgAreaBackground);
	messageImage.setImage(errorMsgImage);
	messageImage.setVisible(true);
	titleArea.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) {
	message = newMessage;
	if (message == null)
	message = "";//$NON-NLS-1$
	if (!messageImage.getVisible())
	// we are not showing an error
	messageLabel.setText(message);
	}
	/**
	* Sets the title to be shown in the title area of this dialog.
	*
	* @param newTitle the title show
	*/
	public void setTitle(String newTitle) {
	if (titleLabel == null)
	return;
	String title = newTitle;
	if (title == null)
	title = "";//$NON-NLS-1$
	titleLabel.setText(title);
	}
	/**
	* Sets the title bar color for this dialog.
	*
	* @param color the title bar color
	*/
	public void setTitleAreaColor(RGB color) {
	titleAreaRGB = color;
	}
	/**
	* Sets the title image to be shown in the title area of this dialog.
	*
	* @param newTitle the title image show
	*/
	public void setTitleImage(Image newTitleImage) {
	titleImage.setImage(newTitleImage);
	titleImage.setVisible(newTitleImage != null);
	}
	}