Bug 211703 Support muti-view on report item.
As title described.
xtab/org.eclipse.birt.report.item.crosstab.core/src/org/eclipse/birt/report/item/crosstab/core/de/internal/CrosstabReportItemTask.java
}
				else
				{
					
					List measureList = (List) measureListMap.get( levelName );
					List functionList = (List) functionListMap.get( levelName );
					new LevelViewTask( levelView ).addSubTotal( measureList,
							functionList, false );
				}
			}
			
			if ( grandMeasureList.size( ) > 0 )
			{
				addMeasureAggregations( targetAxisType, grandMeasureList,
						grandFunctionList, false );
			}
			validateCrosstab( );
		}
		catch ( SemanticException e )
		{
			stack.rollback( );
			throw e;
		}
		stack.commit( );
	}
	/**
	 * Moves the dimension view in the source position of source row/column to
	 * the target index in the target row/column. The axis type can be either
	 * <code>ICrosstabConstants.ROW_AXIS_TYPE</code> or
	 * <code>ICrosstabConstants.COLUMN_AXIS_TYPE</code>. And index is 0-based