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
this.crosstab = focus;
	}
	/**
	 * 
	 * @param axisType
	 * @param measureList
	 * @param functionList
	 * @return
	 * @throws SemanticException
	 */
	public CrosstabCellHandle addGrandTotal( int axisType, List measureList,
			List functionList ) throws SemanticException
	{
		if ( crosstab == null || !CrosstabModelUtil.isValidAxisType( axisType ) )
			return null;
		CommandStack stack = crosstab.getCommandStack( );
		stack.startTrans( Messages
				.getString( "CrosstabReportItemTask.msg.add.grandtotal" ) ); 
		CrosstabCellHandle grandTotal = null;
		try
		{
			CrosstabViewHandle crosstabView = crosstab
					.getCrosstabView( axisType );
			if ( crosstabView == null )
			{
				crosstabView = crosstab.addCrosstabView( axisType );
			}
			grandTotal = new CrosstabViewTask( crosstabView ).addGrandTotal(
					measureList, functionList, false );
		}