Bug 130094 [regression] cannot edit group in Cheat Sheets
steps to reproduce: - create a report using Grouped Listing template - switch to Cheat Sheets, start/restart the tutorial - follow the steps to 1) create data source; 2) create data set; 3) bind the data to the table; and 4) edit the group expected behavior: - group dialog should be displayed actual behavior: - error message displayed. please refer to the attached image for detail
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/views/DefaultNodeProvider.java
{
			ExceptionHandler.handle( e );
			return false;
		}
		return true;
	}
	private boolean performTransferPlaceHolder( TemplateElementHandle handle )
	{
		DesignElementHandle copiedHandle = handle.getDefaultElement( )
				.copy( )
				.getHandle( SessionHandleAdapter.getInstance( )
						.getReportDesignHandle( )
						.getModule( ) );
		try
		{
			( (TemplateReportItemHandle) handle ).transformToReportItem( (ReportItemHandle) copiedHandle );
		}
		catch ( SemanticException e )
		{
			ExceptionHandler.handle( e );
			return false;
		}
		return true;
	}
	private boolean performRevertToReportItem( DesignElementHandle handle )
	{
		try
		{
			handle.revertToReportItem( );
		}