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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: This file defines class MESMRFieldStorage.
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*
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*/
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#ifndef MESMRFIELDSTORAGE_H
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#define MESMRFIELDSTORAGE_H
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#include <e32std.h>
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#include "esmrdef.h" // TESMREntryFieldId
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class MESMRCalEntry;
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class CESMRField;
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class CESMRPolicy;
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/**
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* Pure virtual class to be inherited by field storage classes.
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*/
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class MESMRFieldStorage
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{
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public:
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virtual ~MESMRFieldStorage(){}
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public:
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/**
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* Returns the count for all the fields in the storage
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*
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* @return TInt - field count
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*/
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virtual TInt Count() const = 0;
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/**
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* Returns field for given index.
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*
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* @param aInd - index of the wanted field.
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* @return CESMRField pointer
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*/
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virtual CESMRField* Field( TInt aInd ) const = 0;
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/**
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* Returns field for given field id.
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*
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* @param aId field id
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* @return CESMRField poiter or NULL.
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*/
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virtual CESMRField* FieldById( TESMREntryFieldId aId ) const = 0;
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/**
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* Called in the construction phase to set needed
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* entry informations to fields.
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*
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* @param aEntry - contains needed information.
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*/
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virtual void InternalizeL( MESMRCalEntry& aEntry ) = 0;
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/**
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* Called when editing the entry is done. Information from edited fields
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* is collected to aEntry.
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*
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* @param aEntry - entry where all the edited information is stored
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*/
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virtual void ExternalizeL( MESMRCalEntry& aEntry ) = 0;
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/**
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* Validates the content of fields
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*
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* @param aId Field id where focus is set if validation fails
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* @param aForceValidate ETrue if force validation is used
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* @return TInt
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*/
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virtual TInt Validate(
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TESMREntryFieldId& aId,
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TBool aForceValidate = EFalse ) = 0;
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/**
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* Updates storage on policy change.
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*
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* @param aNewPolicy the new policy to adjust the storage.
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* @param aEntry the entry to handle.
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*/
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virtual void ChangePolicyL( const CESMRPolicy& aNewPolicy,
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MESMRCalEntry& aEntry ) = 0;
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};
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#endif
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