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/CrosstabReportItemHandle.java
*/
	public MeasureViewHandle getMeasure( String name )
	{
		for ( int i = 0; i < getMeasureCount( ); i++ )
		{
			MeasureViewHandle measureView = getMeasure( i );
			if ( measureView != null )
			{
				String cubeMeasureName = measureView.getCubeMeasureName( );
				if ( ( cubeMeasureName != null && cubeMeasureName.equals( name ) )
						|| ( cubeMeasureName == null && name == null ) )
					return measureView;
			}
		}
		return null;
	}
	/**
	 * Gets the measure view with the given index. Position index is 0-based
	 * integer.
	 * 
	 * @param index
	 *            a 0-based integer of the measure position
	 * @return the measure view handle if found, otherwise null
	 */
	public MeasureViewHandle getMeasure( int index )
	{
		DesignElementHandle element = getMeasuresProperty( ).getContent( index );
		return (MeasureViewHandle) CrosstabUtil.getReportItem( element,
				MEASURE_VIEW_EXTENSION_NAME );
	}