Bug 131089 Allow for Multi-select combo and list boxes
Please develop the capability allow for mutli-select (i.e. control-click) combo-box and listboxes.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/data/ui/util/SelectValueFetcher.java
DataSetParameterHandle paramDefn = (DataSetParameterHandle) paramIter.next( );
					if ( paramDefn.isInput( ) )
					{
						String defaultValue = null;
						if ( paramDefn instanceof OdaDataSetParameterHandle &&
								( (OdaDataSetParameterHandle) paramDefn ).getParamName( ) != null )
							defaultValue = ExpressionUtil.createJSParameterExpression( ( (OdaDataSetParameterHandle) paramDefn ).getParamName( ) );
						else
							defaultValue = paramDefn.getDefaultValue( );
						if ( defaultValue != null )
						{
							InputParameterBinding binding = new InputParameterBinding( paramDefn.getName( ),
									new ScriptExpression( defaultValue ) );
							query.addInputParamBinding( binding );
						}
					}
				}
			}		
						
			IBaseExpression bindingExprGroup = new ScriptExpression( ExpressionUtility.getReplacedColRefExpr( expression ) );
			GroupDefinition groupDefn = new GroupDefinition( BINDING_GROUP_NAME );
			groupDefn.setKeyExpression( BINDING_GROUP_EXPRESSION );
			query.addBinding( new Binding( BINDING_ROW_NAME, bindingExprGroup ) );
			query.addGroup( groupDefn );
			query.setUsesDetails( false );
			DataRequestSession session = DataRequestSession.newSession( new DataSessionContext( DataSessionContext.MODE_DIRECT_PRESENTATION,
					dataSetHandle == null ? null : dataSetHandle.getModuleHandle( ) ) );
			if ( dataSetHandle != null )
			{
				if ( dataSetHandle.getDataSource( ) != null )