Bug 182050 CrossTab - Aggregations are too busy in Layout view
Please follow the mockup (attached) to display aggregations in layout view for the sake of simplicity. It supposes to be sigma sign and measure name only. User can view the aggregation expression by tooltip if he/she wants to. Currently, aggregation area look over crowded!!!
xtab/org.eclipse.birt.report.item.crosstab.ui/src/org/eclipse/birt/report/item/crosstab/internal/ui/editors/editparts/CrosstabGraphicsFactory.java
{
		if ( context instanceof CrosstabCellEditPart )
		{
			if ( model instanceof DataItemHandle )
			{
				CrosstabCellAdapter adapter = ( (CrosstabCellEditPart) context ).getCrosstabCellAdapter( );
				String position = adapter.getPositionType( );
				
				if ( (ICrosstabCellAdapterFactory.CELL_FIRST_LEVEL_HANDLE.equals( position ) 
						|| ICrosstabCellAdapterFactory.CELL_MEASURE.equals( position )) && adapter.getFirstDataItem( ) == model)
				{
					return new LevelHandleDataItemEditPart( model );
				}
				else if (ICrosstabCellAdapterFactory.CELL_LEVEL_HANDLE.equals( position )
						)
				{
					
					return new LevelHandleDataItemEditPart( model );
				}
				else if (
						 
						ICrosstabCellAdapterFactory.CELL_MEASURE_HEADER.equals( position ))
				{
					return new MeasureHandleDataItemEditPart(model);
				}
			}
		}
		if ( model instanceof VirtualCrosstabCellAdapter )
		{
			return new VirtualCellEditPart( model );