diff -r 000000000000 -r ba25891c3a9e ncdengine/inc/ncdqueryitem.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/inc/ncdqueryitem.h	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,178 @@
+/*
+* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  
+*
+*/
+	
+
+#ifndef M_NCD_QUERY_ITEM_H
+#define M_NCD_QUERY_ITEM_H
+
+#include <e32cmn.h>
+
+#include "catalogsbase.h"
+#include "ncdinterfaceids.h"
+    
+/**
+ *  Describes a query item.
+ *
+ *  A common interface for all query items. A query item defines
+ *  one element of a whole query e.g. credit card number in a purchase 
+ *  information query.
+ *
+ *  All query items that are not optional must be answered/filled before 
+ *  completing a query.
+ *
+ *  @see MNcdQuery
+ */
+class MNcdQueryItem : public virtual MCatalogsBase
+    {
+public:
+
+    /**
+     * Unique identifier for the interface, required for all MCatalogsBase interfaces.
+     *
+     * 
+     */
+    enum { KInterfaceUid = ENcdQueryItemUid };
+
+    /**
+     * Query item semantics
+     */
+    enum TSemantics
+        {
+        /** No specific semantics specified */
+        ESemanticsNone,
+
+        /** Unknown/unsupported semantics specified */
+        ESemanticsUnknown,
+
+        /** MSISDN (phone number) */
+        ESemanticsMsisdn,
+
+        /** Email address */
+        ESemanticsEmailAddress,
+
+        /** Credit card number */
+        ESemanticsCreditCardNumber,
+
+        /** Credit card expiration year */
+        ESemanticsCreditCardExpirationYear,
+
+        /** Credit card expiration month */
+        ESemanticsCreditCardExpirationMonth,
+        
+        /** Credit card owner */
+        ESemanticsCreditCardOwner,
+
+        /** Credit card verification code */
+        ESemanticsCreditCardVerificationCode,
+
+        /** Credit card type */
+        ESemanticsCreditCardType,
+
+        /** Street address */
+        ESemanticsAddressStreet,
+
+        /** ZIP code */
+        ESemanticsAddressZipCode,
+
+        /** City */
+        ESemanticsAddressCity,
+
+        /** Country */
+        ESemanticsAddressCountry,
+
+        /** User name */
+        ESemanticsUserName,
+
+        /** Password */
+        ESemanticsPassword,
+
+        /** PIN code */
+        ESemanticsPinCode,
+        
+        /** IMEI */
+        ESemanticsImei
+        };
+
+    /**
+     * Type of the query.
+     *
+     * 
+     * @return Interface id of the operation.
+     */
+    virtual TNcdInterfaceId Type() const = 0;
+    
+    /**
+     * Semantics of the query item.
+     *
+     * This can be used to act differently for semantically
+     * different query items that have the same basic type
+     * (as indicated by Type()).
+     *
+     * 
+     * @return Semantics for the item.
+     */
+    virtual TSemantics Semantics() const = 0;
+
+    /**
+     * Getter for query item label. Labels are used to identify the
+     * what the query item is e.g. "username" or "credit card owner".
+     * Typically displayed next to the actual item.
+     *
+     * 
+     * @return Label text. KNullDesC() if no label available.
+     */
+    virtual const TDesC& Label() const = 0;
+    
+    /**
+     * Getter for query item message. Optionally displayed in a question
+     * dialog body close to the query item. Can offer information/advice on what
+     * the user should input e.g. "Please enter the cardholder's name".
+     *
+     * 
+     * @return Message text. KNullDesC() if no message available.
+     */
+    virtual const TDesC& Message() const = 0;
+    
+    /**
+     * Getter for query item description. Additional longer description text
+     * about the query element, intended for context help
+     *
+     * 
+     * @return Message text. KNullDesC() if no description available.
+     */
+    virtual const TDesC& Description() const = 0;
+    
+    /**
+     * Checks whether this query item is optional i.e. does not need
+     * to be answered/filled before the query is accepted.
+     *
+     * @return ETrue if the item is optional, EFalse if it is mandatory.
+     */
+    virtual TBool IsOptional() const = 0;
+
+protected:
+
+    /**
+    * Destructor.
+    *
+    * @see MCatalogsBase::~MCatalogsBase
+    */
+    virtual ~MNcdQueryItem() {}
+
+    };
+	
+#endif //  M_NCD_QUERY_ITEM_H