Bug 193828 message should not be popped when adding group level to cross tab
In a cross tab click on an aggregation type data cell and select 'show/hide Group Levels'. If I want to add a level, A message dialog pops up. Expected: No message dialog should pop up when adding a level. The dialog should appear only when a level in unchecked.
xtab/org.eclipse.birt.report.item.crosstab.ui/src/org/eclipse/birt/report/item/crosstab/internal/ui/editors/model/CrosstabAdaptUtil.java
{
			retValue = retValue + reportItem.getDimension( type, index ).getLevelCount( );
		}
		return retValue;
	}
	
	/**
	 * @param owner
	 * @param levelHandle
	 * @return
	 */
	public static ComputedColumn createComputedColumn(ReportItemHandle owner, LevelHandle levelHandle)
	{
		ComputedColumn bindingColumn = StructureFactory.newComputedColumn( owner,
				levelHandle.getName( ));
		
		
		bindingColumn.setDataType( levelHandle.getDataType( ));
		bindingColumn.setExpression( DEUtil.getExpression( levelHandle ) );
		
		return bindingColumn;
	}
	
	/**
	 * @param owner
	 * @param measureHandle
	 * @return
	 */
	public static ComputedColumn createComputedColumn(ReportItemHandle owner, MeasureHandle measureHandle)
	{