/*

* Copyright (c) 2005 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 -    Floating point field for CEikMFne

*

*/

#ifndef CLmkMfneFloat_H

#define CLmkMfneFloat_H

//  INCLUDES

#include <eikmfne.h>

// CLASS DECLARATION

/**

* CLmkMfneFloat class

* Contain two number editor and one separator.

*/

class CLmkMfneFloat : public CEikMfneField

    {

    public:

        virtual ~CLmkMfneFloat();

        static CLmkMfneFloat* NewL(

            TInt aMaxDigits,

            TInt aMaxDecimalDigits);

        TBool SetLimits(

            TReal aMinimumValue,

            TReal aMaximumValue);

        void GetLimits(

            TReal& aMinimumValue,

            TReal& aMaximumValue) const;

        void SetValue(TReal aValue);

        TReal Value() const;

        void HandleHighlight();

    private:

        CLmkMfneFloat(

            TInt aMaxDigits,

            TInt aMaxDecimalDigits);

        void ConstructL();

    // From CEikMfneField

    public:

        virtual TInt MaximumWidthInPixels(

            const CFont& aFont,

            TBool aShrinkToMinimumSize);

        virtual TCoeInputCapabilities InputCapabilities() const;

        virtual TBool IsEditable() const;

        // these functions may only be called if

        // IsEditable returns ETrue - all TBool&/TInt& parameters

        // in these functions must be first set to EFalse/0 by the caller

        virtual THighlightType HighlightType() const;

        virtual void HandleKey(

            const CFont& aFont,

            const TKeyEvent& aKeyEvent,

            TBool aInterpretLeftAndRightAsEarEvents,

            TBool& aDataAltered,

            TInt& aHighlightIncrement);

        virtual void HandleDeHighlight(

            const CFont& aFont,

            CEikonEnv& aEikonEnv,

            TBool& aDataAltered,

            TBool& aError);

    private:

        virtual const TDesC& Text() const;

    // New internal methods

    private:

        TBool   EnsureValueInLimits(TReal aValue);

        TInt    MaxNumOfChars() const;

        TBool   IsDecimalSeparatorAllowed(const TDesC& aText) const;

        TBool   IsMoreDigitsAllowed(const TDesC& aText) const;

        TReal   ValueFromText(const TDesC& aText) const;

        void    TextFromValue(TReal aValue, TDes& aText) const;

    private:

        TReal   iMinimumValue;

        TReal   iMaximumValue;

        TInt    iMaxDigits;

        TInt    iMaxDecimalDigits;

        HBufC*  iText;

        TBool   iIsBeingEditedWithCursor;

        TBool   iFocus;

    };

#endif

// end of File