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.core/src/org/eclipse/birt/report/designer/util/DEUtil.java
{
		return getClasses( new AlphabeticallyComparator( ) );
	}
	public static List getClasses( Comparator comp )
	{
		List classes = DesignEngine.getMetaDataDictionary( ).getClasses( );
		Collections.sort( classes, comp );
		return classes;
	}
	public static List getMethods( IClassInfo classInfo )
	{
		return getMethods( classInfo, new AlphabeticallyComparator( ) );
	}
	public static List getMethods( IClassInfo classInfo, Comparator comp )
	{
		List methods = classInfo.getMethods( );
		Collections.sort( methods, comp );
		return methods;
	}
	public static List getMembers( IClassInfo classInfo )
	{
		return getMembers( classInfo, new AlphabeticallyComparator( ) );
	}
	public static List getMembers( IClassInfo classInfo, Comparator comp )
	{
		List members = classInfo.getMembers( );
		Collections.sort( members, comp );
		return members;
	}
	/**