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
}
	}
	private static String getSmallerFontSize( DesignElementHandle handle )
	{
		if ( !( handle instanceof ReportItemHandle ) )
		{
			if ( handle instanceof ModuleHandle )
			{
				for ( int i = DesignerConstants.fontSizes.length - 1; i > 0; i-- )
				{
					if ( DesignChoiceConstants.FONT_SIZE_MEDIUM
							.equals( DesignerConstants.fontSizes[i][0] ) )
					{
						return DesignerConstants.fontSizes[i - 1][0];
					}
				}
			}
			if ( handle instanceof GroupHandle )
			{
				handle = handle.getContainer( );
			}
		}
		Object fontSizeValue = getModelFontSize( handle );
		if ( fontSizeValue instanceof DimensionValue )
		{
			int parentSize = getFontSizeIntValue( handle.getContainer( ) );
			int size = (int) CSSUtil.convertToPoint( fontSizeValue, parentSize ) - 1;
			size = ( size < 1 ) ? 1 : size;
			DimensionValue dm = new DimensionValue( size, "pt" ); 
			return dm.toString( );