Bug 198504 The same name aggregation should be hint in dialog[0001]
Description: The same name aggregation should be hint in dialog[0001] Step: 1.New a datasource, dataset, table and binding the dataset. 2.New a aggregation column binding on table named aggr1. 3.Drop a aggregation item into table and set the named as aggr1. 4.Click OK Actual result: Pop up an error message said that the name is exist. Expected result: It can hint in dialog when input the same name, but pop up an error dialog
xtab/org.eclipse.birt.report.item.crosstab.ui/src/org/eclipse/birt/report/item/crosstab/internal/ui/dialogs/CrosstabBindingDialogHelper.java
}
				}
				if ( cellHandle.getAggregationOnColumn( ) != null )
				{
					aggstr += cellHandle.getAggregationOnColumn( ).getFullName( );
				}
			}
			for ( int j = 0; j < aggOns.length; j++ )
			{
				if ( aggOns[j].equals( aggstr ) )
				{
					cmbAggOn.select( j );
					return;
				}
			}
			cmbAggOn.select( 0 );
		}
		catch ( ExtendedElementException e )
		{
			ExceptionHandler.handle( e );
		}
	}
	private String[] getAggOns( CrosstabReportItemHandle xtabHandle )
	{
		List rowLevelList = getCrosstabViewHandleLevels( xtabHandle,
				ICrosstabConstants.ROW_AXIS_TYPE );
		List columnLevelList = getCrosstabViewHandleLevels( xtabHandle,
				ICrosstabConstants.COLUMN_AXIS_TYPE );
		List aggOnList = new ArrayList( );
		aggOnList.add( ALL );