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
e.printStackTrace( );
			}
			return handle;
		}
		ThemeHandle applyThemeHandle = themeInModuleHandle( handle,
				moduleHandle );
		if ( applyThemeHandle != null )
		{
			try
			{
				moduleHandle.setTheme( applyThemeHandle );
			}
			catch ( SemanticException e )
			{
				GUIException exception = GUIException.createGUIException( ReportPlugin.REPORT_UI,
						e,
						"Library.DND.messages.cannotApplyTheme" );
				ExceptionHandler.handle( exception );
				e.printStackTrace( );
			}
		}
		return applyThemeHandle;
	}
	/**
	 * Get
	 * @param lineText
	 * @return
	 */
	public static int[] getExpressionBidiSegments( String lineText )
	{