/*

* Copyright (c) 2002-2007 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:  Virtual Phonebook interface for text data of the contact field.

*

*/

#ifndef MVPBKCONTACTFIELDTEXTDATA_H

#define MVPBKCONTACTFIELDTEXTDATA_H

// INCLUDES

// CLASS DECLARATIONS

/**

 * Virtual Phonebook Contact field text data.

 * This interface is used to manipulate text contact field data.

 */

class MVPbkContactFieldTextData : public MVPbkContactFieldData

    {

    public:  // Destructor

        /**

         * Destructor.

         */

        virtual ~MVPbkContactFieldTextData() { }

    public:  // from MVPbkContactFieldData

        TVPbkFieldStorageType DataType() const

            {

            return EVPbkFieldStorageTypeText;

            }

    public:  // Interface

        /**

         * Casts MVPbkContactFieldData to this interface.

         *

         * @precond aFieldData.DataType() == EVPbkFieldStorageTypeText

         *          VPbkError::Panic(VPbkError::EFieldDataTypeMismatch)

         *          is raised if the precondition does not hold.

         * @param aFieldData    Data of the field.

         * @return Casted inteface for the text field data.

         */

        IMPORT_C static MVPbkContactFieldTextData& Cast(

                MVPbkContactFieldData& aFieldData);

        /**

         * Casts const MVPbkContactFieldData to this interface.

         *

         * @precond aFieldData.DataType() == EVPbkFieldStorageTypeText

         *          VPbkError::Panic(VPbkError::EFieldDataTypeMismatch)

         *          is raised if the precondition does not hold.

         * @param aFieldData    Data of the field.

         * @return Casted inteface for the text field data.

         */

        IMPORT_C static const MVPbkContactFieldTextData& Cast(

                const MVPbkContactFieldData& aFieldData);

        /**

         * Returns the string data.

         * @return Pointer to the text data.

         */

        virtual TPtrC Text() const = 0;

        /**

         * Sets the string data.

         * @exception KErrOverflow if (aText.Length() > MaxLength())

         */

        virtual void SetTextL( const TDesC& aText ) = 0;

        /**

         * Returns maximum length of the field.

         * @return Maximum length of the field or KVPbkUnlimitedFieldLength 

         *         if length is only limited by available memory.

         */

        virtual TInt MaxLength() const = 0;

        /**

         * Returns an extension point for this interface or NULL.

         * @param aExtensionUid Uid of extension.

         * @return Extension point or NULL.

         */

        virtual TAny* ContactFieldTextDataExtension(TUid /*aExtensionUid*/) { return NULL; }

    };

#endif  // MVPBKCONTACTFIELDTEXTDATA_H

// End of File