Bug 146159 [Regression]Changing font operation doesn't work other than the first time
Description: The first time changing operation can work well. However, Change it again, it won't work. Steps: 1.Insert lable/text to layout or master page 2.Change the font from serif to cursive, it works well 3.Change the font again Result: The action doesn't work Additional infor: build number:200606080632
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/util/UIUtil.java
{
				part.selectColumn( selectContents, notofyToMedia );
			}
		}
		else
		{
			if ( viewer.getControl( ).isVisible( ) )
			{
				if ( viewer instanceof DeferredGraphicalViewer )
					( (DeferredGraphicalViewer) viewer ).setSelection( new StructuredSelection( list ),
							notofyToMedia );
			}
		}
	}
	/**
	 * Creates a folder resource given the folder handle.
	 * 
	 * @param folderHandle
	 *            the folder handle to create a folder resource for
	 * @param monitor
	 *            the progress monitor to show visual progress with
	 * @exception CoreException
	 *                if the operation fails
	 * @exception OperationCanceledException
	 *                if the operation is canceled
	 */
	public static void createFolder( IFolder folderHandle,
			IProgressMonitor monitor ) throws CoreException
	{
		try