/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* which accompanies this distribution, and is available

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*     Phonebook field selection dialog.

*

*/

#ifndef __CPbkSelectFieldDlg_H__

#define __CPbkSelectFieldDlg_H__

//  INCLUDES

#include <e32base.h>    // CBase

// FORWARD DECLARATIONS

class TPbkContactItemField;

class CPbkFieldArray;

class MPbkControlKeyObserver;

// CLASS DECLARATION

/**

 * Phonebook field selection dialog. This class is used to show a Phonebook 

 * contact item field selection dialog to the user. The user is able to 

 * select a particular field from the dialog and this selection is returned

 * to the client.

 */

class CPbkSelectFieldDlg : public CBase

    {

    public:  // Interface

        /**

         * Constructor.

         */

        IMPORT_C CPbkSelectFieldDlg();

        /**

         * Runs the dialog and returns selected field.

         * NOTE: this object is deleted when this function 

         * returns or leaves.

         *

         * @param aArray  Array of TPbkContactItemFields

         * @param aCbaResourceId Softkey buttons for the control.

         * @param aHeading Possible heading for the control.

         * @param aFocusIndex Field index to focus initially.

         *

         * @return The selected contact item field or NULL.

         */

        IMPORT_C TPbkContactItemField* ExecuteLD

            (CPbkFieldArray& aArray, 

            TInt aCbaResourceId, 

            const TDesC& aHeading = KNullDesC, 

            TInt aFocusIndex=-1);

        /**

         * Destructor.

         */

        IMPORT_C ~CPbkSelectFieldDlg();

        /**

         * Registers aKeyObserver as a key event observer of this control.

         * Only one observer is supported and setting a new one removes the

         * previous setting. 

         *

         * @param aKeyObserver  A Phonebook control key observer.

         */

        IMPORT_C void SetObserver(MPbkControlKeyObserver* aKeyObserver);

        /**

         * Attempts to exit this dialog as if a soft button was pressed.

         * @see CAknPopupList::AttemptExitL(TBool).

         */

        IMPORT_C void AttemptExitL(TBool aAccept);

        /**

         * Sets aSelfPtr to NULL when this dialog is destroyed.

         * @precond !aSelfPtr || *aSelfPtr==this

         */

        IMPORT_C void ResetWhenDestroyed(CPbkSelectFieldDlg** aSelfPtr);

    private: // Data

        /// Specialized listbox class

        class CListBox;

        /// Own: ListBox inside the popuplist

        CListBox* iListBox;

        /// Specialized popup list class

        class CPopupList;

        /// Own: popup list query

        CPopupList* iPopupList;

        /// Ref: key event observer

        MPbkControlKeyObserver* iKeyObserver;

        /// Ref: Set to ETrue in destructor

        TBool* iDestroyedPtr;

        /// Ref: Set to NULL when this dialog is destroyed.

        CPbkSelectFieldDlg** iSelfPtr;

        /// Own: Spare data

        TInt32 iSpare1;

    }; 

#endif // __CPbkSelectFieldDlg_H__

// End of File