/*

* Copyright (c) 2002 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:    LandmarksUi Content File -    Landmark editor field abstract class.

*

*/

#ifndef __MLMKEDITORFIELD_H__

#define __MLMKEDITORFIELD_H__

//  INCLUDES

#include <e32def.h>

#include <e32base.h>

// FORWARD DECLARATIONS

class MLmkFieldData;

// CLASS DECLARATION

/**

 * Landmark editor field abstract class.

 */

class MLmkEditorField

    {

    public:  // destructor

        /**

         * Destructor.

         */

        virtual ~MLmkEditorField(){}

    public:  // Interface

        /**

         * Return the dialog control id associated to this field.

         */

        virtual TInt ControlId() const = 0;

        /**

         * Returns the id of this field.

         */

        virtual TInt FieldId() const = 0;

        /**

         * Save editor control data to contact item field.

		 * @return ETrue if success, EFalse otherwise

         */

        virtual TBool SaveFieldL() = 0;

        /**

         * Returns the landmark item fields label.

         */

        virtual TPtrC FieldLabel() const = 0;

        /**

         * Sets aLabel as the landmark item fields label

         * Takes ownership of the aLabel.

         */

        virtual void SetFieldLabelL(HBufC* aLabel) = 0;

        /**

         * Returns the landmark item field.

         */

        virtual MLmkFieldData& LandmarkItemField() const = 0;

		/**

		 * Returns the text in the fields control.

		 */

		virtual HBufC* ControlTextL() const = 0;

		// code added -start-

		virtual TReal FieldValue() const = 0;

		//-end-

        /**

         * Activates the control.

         */

        virtual void ActivateL() = 0;

        /**

         * Update field data. Default implementation is empty

         */

        virtual void UpdateL(){}

        /**

         * Resets the field

         */

        virtual void ResetL()=0;

        /**

        * if the control is added when form is created, its state is set

        * by the form, but, when the control is added dynamically

        * its state must be set at the time of creation,hence this

        * function is used to set the state.

        */

        virtual void SetEditableL( TBool /*aEditable*/ ){}

    };

#endif // __MLMKEDITORFIELD_H__

// End of File