Bug 136256 Enhance the message builder
Please see the spec attached in 133995 for detail.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ImageBuilder.java
public static final String DLG_TITLE_EDIT = Messages.getString( "ImageBuilder.DialogTitle.Edit" ); 
	
	
	
	private static final String DLG_TITLE_IMPORT_FAIL = Messages.getString( "ImageBuilder.DialogTitle.ImportFailed" ); 
	private static final String DLG_TITLE_LOADING_FAIL = Messages.getString( "ImageBuilder.DialogTitle.LoadingFailed" ); 
	private static final String DLG_ERROR_MSG_LOADING_FAIL = Messages.getString( "ImageBuilder.ErrorMessage.LoadingFailed" ); 
	private static final String DLG_ERROR_MSG_FILE_EXISTS = Messages.getString( "ImageBuilder.ErrorMessage.FileLoaded" ); 
	private ImageHandle inputImage;
	private Button embedded, uri, previewButton, dynamic, bindingButton;
	private Composite inputArea;
	private ImageCanvas previewCanvas;
	private Text uriEditor;
	private List embeddedImageList;
	final private static int URI_TYPE = 0;
	final private static int EMBEDDED_TYPE = 1;
	final private static int BLOB_TYPE = 2;
	private int selectedType = -1;
	private java.util.List dataSetList = new ArrayList();
	private java.util.List inputDataSetList =  new ArrayList();
	/**
	 * The constructor.
	 * 
	 * @param parentShell
	 */
	public ImageBuilder( Shell parentShell, String title )
	{
		super( parentShell, title, false );
	}
	/**