/*

* 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: 

*     This class extends Symbian Contacts model CContactItemField class capabilities

*	  to better suit Phonebook's needs.

*

*/

#ifndef __TPbkContactItemField_H__

#define __TPbkContactItemField_H__

//  INCLUDES

#include    <e32std.h>

#include    "MPbkFieldData.h"

#include    <cntdef.h>  // TStorageType

#include    "PbkIconId.hrh"

// These two includes are not needed here anymore

// and might be removed in the future

#include    <cntitem.h> // CContactItem

#include    <cntfldst.h> // CContactItemField storage types

// FORWARD DECLARATIONS

class CPbkFieldInfo;

class CContactItemField;

class CContactTextField;

class CPbkContactItem;

class CContactDateField;

// CLASS DECLARATION

/**

 * Phonebook Contact item field class.

 * This class extends Symbian Contacts model CContactItemField class 

 * capabilities to better suit Phonebook's needs.

 */

class TPbkContactItemField : public MPbkFieldData

    {

    public:  // Constructors and destructor

        /**

         * C++ default constructor.

         */

        IMPORT_C TPbkContactItemField();

        /**

         * C++ constructor.

         *

         * @param aField        Contacts Model field this object is wrapping.

         * @param aFieldInfo    Phonebook field type of aField.

         */

        IMPORT_C TPbkContactItemField(CContactItemField* aField,

			CPbkFieldInfo* aFieldInfo);

        /**

         * Sets the contents of this object after construction.

         * @param aField        Contacts Model field this object is wrapping

         * @param aFieldInfo    Phonebook field type of aField

         */

        IMPORT_C void Set(CContactItemField* aField,

			CPbkFieldInfo* aFieldInfo);

    public: // New functions

        /**

         * Returns an Phonebook icon id for this field.

         * @return The Phonebook icon id for this field.

         */

        IMPORT_C TPbkIconId IconId() const;

        /**

         * Returns the Phonebook field info object of this field.

         * @return  Field info for this field.

         */

        IMPORT_C CPbkFieldInfo& FieldInfo() const;

        /**

         * Returns this field's textual content.

         * @return This field's textual content.

         * @precond StorageType()==KStorageTypeText.

         */ 

        IMPORT_C TPtrC Text() const;

        /**

         * Returns this field's date/time content.

         * @return This field's date/time content.

         * @precond StorageType()==KStorageTypeDateTime.

         */ 

        IMPORT_C TTime Time() const;

        /**

         * Fills aText with field's text content. If field is of date

		 * type formats the date as text.

         * @param aText Fills parameter with field's content.

         *

         * @exception KErrOverflow  if aText is not big enough for

		 * the text. aText contents will be clipped to aText.MaxLength().

         * @exception KErrNotSupported  if the field content cannot be

		 * represented as text.

         */

        IMPORT_C void GetTextL(TDes& aText) const;

        /**

         * Returns the storage type of this field.

         * @return The storage type of this field.

         */

        IMPORT_C TStorageType StorageType() const;

        /**

         * Returns the embedded contact item field.

         * @return The embedded contact item field.

         */

        IMPORT_C CContactItemField& ItemField() const;

        /**

         * Returns the text storage object of this field. If the storage type is

         * not KStorageTypeText the function raises a panic.

         * @return The text storage object of this field.

         */

        IMPORT_C CContactTextField* TextStorage() const;

        /**

         * Returns the label text of this field.

         * @return The label text of this field.

         */

        IMPORT_C TPtrC Label() const;

        /**

         * Sets the label text of this field to aLabel.

         * @param aLabel Text to set as the label of this field.

         */

        IMPORT_C void SetLabelL(const TDesC& aLabel);

        /**

         * Marks this field as hidden or unhidden.

         * @param aHidden   ETrue marks as hidden EFalse removes the mark.

         */

        IMPORT_C void SetHidden(TBool aHidden);

        /**

         * Check if field is marked hidden.

         * @return ETrue if this field is hidden, EFalse if not.

         */

        IMPORT_C TBool IsHidden() const;

        /**

         * Returns time storage of this field. If the storage type is

         * not KStorageTypeDateTime the function raises a panic.

         * @return The time storage object of this field.

         */

        IMPORT_C CContactDateField* DateTimeStorage() const;

        /**

         * Returns ETrue if this is the same field as aField.

         * @return ETrue if this is the same field as aField.

         */

        IMPORT_C TBool IsSame(const TPbkContactItemField& aField) const;

        /**

         * Converts this field to a CContactItemField.

         * @return The embedded CContactItemField object.

         */

        IMPORT_C CContactItemField& ContactItemField();

        /**

         * Converts this field to a const CContactItemField.

         * @return The embedded CContactItemField object.

         */

        IMPORT_C const CContactItemField& ContactItemField() const;

        /**

         * Compares two items against the group ordering.

         * @param aRhs  Contact item field to compare to this field.

         */

        IMPORT_C TInt Compare(const TPbkContactItemField& aRhs) const;

        /**

         * Returns an unique id for this field.

         * NOTE: Returned id is valid only as long as this object is in memory

         * in other words the id is not persistent!

         * @return The unique id for this field.

         */

        IMPORT_C TInt UniqueFieldIdentity() const;

        /**

         * Returns ETrue if this field's contents is empty.

         * @return ETrue if this field's contents is empty.

         */

        IMPORT_C TBool IsEmpty() const;

        /**

         * Returns ETrue if this field's contents is empty or all spaces.

         * @return ETrue if this field's contents is empty or all spaces.

         */

        IMPORT_C TBool IsEmptyOrAllSpaces() const;

        /**

         * Returns ETrue is this field is a default phone number field.

         * @see CPbkContactItem::DefaultPhoneNumberField

         * @see CPbkContactItem::SetDefaultPhoneNumberField

         * @return ETrue is this field is a default phone number field.

         */

        IMPORT_C TBool DefaultPhoneNumberField() const;

        /**

         * Returns ETrue if this field is a default video number field.

         * @see CPbkContactItem::DefaultVideoNumberField

         * @see CPbkContactItem::SetDefaultVideoNumberField

         * @return ETrue if this field is a default video number field.

         */

        IMPORT_C TBool DefaultVideoNumberField() const;

        /**

         * Returns ETrue is this field is a default SMS field.

         * @see CPbkContactItem::DefaultSmsField

         * @see CPbkContactItem::SetDefaultSmsField

         * @return ETrue is this field is a default SMS field.

         */

        IMPORT_C TBool DefaultSmsField() const;

        /**

         * Returns ETrue is this field is a default SMS With Email field.

         * @see CPbkContactItem::DefaultEmailOverSmsField

         * @see CPbkContactItem::SetDefaultEmailOverSmsField

         * @return ETrue is this field is a default SMS With Email field.

         */

        IMPORT_C TBool DefaultEmailOverSmsField() const;

        /**

         * Returns ETrue is this field is a default email field.

         * @see CPbkContactItem::DefaultEmailField

         * @see CPbkContactItem::SetDefaultEmailField

         * @return ETrue is this field is a default email field.

         */

        IMPORT_C TBool DefaultEmailField() const;

        /**

         * Returns ETrue is this field is a default MMS field.

         * @see CPbkContactItem::DefaultMmsField

         * @see CPbkContactItem::SetDefaultMmsField

         * @return ETrue is this field is a default MMS field.

         */

        IMPORT_C TBool DefaultMmsField() const;

        /**

         * Returns ETrue is this field is a default POC field.

         * @see CPbkContactItem::DefaultPocField

         * @see CPbkContactItem::SetDefaultPocField

         * @return ETrue is this field is a default POC field.

         */

        IMPORT_C TBool DefaultPocField() const;

        /**

         * Returns ETrue is this field is a default VOIP field.

         * @see CPbkContactItem::DefaultVoipField

         * @see CPbkContactItem::SetDefaultVoipField

         * @return ETrue is this field is a default VOIP field.

         */

        IMPORT_C TBool DefaultVoipField() const;

        /**

         * Returns an array of speed dial indexes assigned to this field, 

         * NULL if none.

         * @return An array of speed dial indexes assigned to this field, 

         *         NULL if none.

         */

        IMPORT_C CArrayFix<TInt>* SpeedDialIndexesL() const;

    public:  // from MPbkFieldData

        IMPORT_C TStorageType PbkFieldType() const;

        IMPORT_C TPbkFieldId PbkFieldId() const;

        IMPORT_C TPtrC PbkFieldText() const;

        IMPORT_C TTime PbkFieldTime() const;

    private: // CPbkContactItem support functions

        /// CPbkContactItem calls private functions of this class

        friend class CPbkContactItem;

        void PrepareForSaveL();

        void PrepareAfterLoadL();

        TBool HasInvalidDate();

    private:    // Data

        /// Ref: Contact item field to be expanded into greater heights

        CContactItemField* iField;

        /// Ref: field info object matching iField's type

        CPbkFieldInfo* iFieldInfo;

    private:  // Friend declarations

        friend IMPORT_C TBool operator==

            (const TPbkContactItemField& aLeft, 

            const TPbkContactItemField& aRight);

    };

// FUNCTION DECLARATIONS

/**

 * Returns ETrue if aLeft has same contents as aRight.

 * Doesn't compare everything (all field flags etc.) but all the attributes

 * that could affect how this field looks like in the Phonebook UI. This 

 * function can be used to determine wheter to update this field in the UI.

 */

IMPORT_C TBool operator==

    (const TPbkContactItemField& aLeft, 

    const TPbkContactItemField& aRight);

/**

 * Returns !(aLeft==aRight).

 */

inline TBool operator!=

    (const TPbkContactItemField& aLeft, 

    const TPbkContactItemField& aRight)

    {

    return !(aLeft==aRight);

    }

#endif // __TPbkContactItemField_H__

// End of File