Bug 196748 Report Designer implementation of BPS80 - result set sharing
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/BindingDialogHelper.java
private void initFilter( )
	{
		if ( binding != null && binding.getFilterExpression( ) != null )
		{
			txtFilter.setText( binding.getFilterExpression( ) );
		}
	}
	private void initFunction( )
	{
		cmbFunction.setItems( getFunctionDisplayNames( ) );
		
		if ( binding == null )
		{
			cmbFunction.select( 0 );
			handleFunctionSelectEvent( );
			return;
		}
		String functionString = getFunctionDisplayName( binding.getAggregateFunction( ) );
		int itemIndex = getItemIndex( getFunctionDisplayNames( ),
				functionString );
		cmbFunction.select( itemIndex );
		handleFunctionSelectEvent( );
		
		
		for ( Iterator iterator = binding.argumentsIterator( ); iterator.hasNext( ); )
		{
			AggregationArgumentHandle arg = (AggregationArgumentHandle) iterator.next( );
			String argDisplayName = getArgumentDisplayNameByName( binding.getAggregateFunction( ),
					arg.getName( ) );
			if ( argsMap.containsKey( argDisplayName ) )