Bug 183900 Image in preview pane will not show until you reopen the "Edit Image Item" dialogue [0001]
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ImageBuilder.java
descriptionMap.put( new Integer( URI_TYPE ),
				Messages.getString( "ImageBuilder.Description.URI" ) );
		descriptionMap.put( new Integer( FILE_TYPE ),
				Messages.getString( "ImageBuilder.Description.ResourceFile" ) );
		descriptionMap.put( new Integer( EMBEDDED_TYPE ),
				Messages.getString( "ImageBuilder.Description.Embedded" ) );
		descriptionMap.put( new Integer( BLOB_TYPE ),
				Messages.getString( "ImageBuilder.Description.Dynamic" ) );
	}
	private static final Map uriEditorLabelMap = new HashMap( );
	static
	{
		uriEditorLabelMap.put( new Integer( URI_TYPE ),
				Messages.getString( "ImageBuilder.Label.EnterURI" ) );
		uriEditorLabelMap.put( new Integer( FILE_TYPE ),
				Messages.getString( "ImageBuilder.Label.EnterResourceFile" ) );
		uriEditorLabelMap.put( new Integer( BLOB_TYPE ),
				Messages.getString( "ImageBuilder.Label.EnterExpr" ) );
	}
	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 );