/*

* 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:    Methods for Landmark editor number field.

*

*/

// INCLUDE FILES

#include "CLmkEditorCoordinateField.h"

#include "MLmkEditorUiBuilder.h"

#include "LmkConsts.h"

#include "landmarks.hrh"

#include <eikcapc.h>

#include <e32math.h>

#include <lbsposition.h>

#include <aknlocationed.h>

#include <barsread.h>

#include <lmkui.rsg>

// CONSTANTS

/// Unnamed namespace for local definitions

namespace {

const TReal KDefaultHorizontalAccuracy = 0.1;

}  // namespace

// ================= MEMBER FUNCTIONS =======================

// ----------------------------------------------------

// CLmkEditorCoordinateField::CLmkEditorCoordinateField

// ----------------------------------------------------

//

CLmkEditorCoordinateField::CLmkEditorCoordinateField

        ( MLmkFieldData& aField,

		  MLmkEditorUiBuilder& aUiBuilder ) :

    CLmkEditorFieldBase( aField, aUiBuilder )

    {

    }

// ----------------------------------------------------

// CLmkEditorCoordinateField::ConstructL

// ----------------------------------------------------

//

void CLmkEditorCoordinateField::ConstructL()

    {

    // Create and insert a line in the dialog

	//using AVKON's coordinate editor

	CreateAvkonCoordinateEditorL();

    iCaptionedCtrl = iUiBuilder.LineControl( ControlId() );

    iCaptionedCtrl->SetTakesEnterKey( ETrue );

    TPosition position;

	iControl->Get(position);

	if (iIsLatitude)

		{

		iCurrentValue = position.Latitude();

		}

	else

		{

		iCurrentValue = position.Longitude();

		}

    }

// ----------------------------------------------------

// CLmkEditorCoordinateField::NewL

// ----------------------------------------------------

//

CLmkEditorCoordinateField* CLmkEditorCoordinateField::NewL

        ( MLmkFieldData& aField,

		 MLmkEditorUiBuilder& aUiBuilder )

    {

    CLmkEditorCoordinateField* self =

        new(ELeave) CLmkEditorCoordinateField( aField, aUiBuilder );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

// ----------------------------------------------------

// CLmkEditorCoordinateField::~CLmkEditorCoordinateField

// ----------------------------------------------------

//

CLmkEditorCoordinateField::~CLmkEditorCoordinateField()

    {

    }

// ----------------------------------------------------

// CLmkEditorCoordinateField::SaveFieldL

// ----------------------------------------------------

//

TBool CLmkEditorCoordinateField::SaveFieldL()

    {

    TPosition position;

	iControl->Get(position);

	TReal field = LandmarkItemField().DoubleData();

	TReal controlData;

	if (iIsLatitude)

		{

		controlData = position.Latitude();

		}

	else

		{

		controlData = position.Longitude();

		}

	if( iCurrentValue != controlData)

		{

		LandmarkItemField().SetTReal(controlData);

		}

   	return ETrue;

    }

// ----------------------------------------------------

// CLmkEditorCoordinateField::ActivateL

// ----------------------------------------------------

//

void CLmkEditorCoordinateField::ActivateL()

    {

    iCaptionedCtrl->ActivateL();

    }

// ----------------------------------------------------

// CLmkEditorCoordinateField::UpdateL

// ----------------------------------------------------

//

void CLmkEditorCoordinateField::UpdateL()

    {

    TReal fieldData = LandmarkItemField().DoubleData();

	TPosition position = ConstructPosition(fieldData);

	iControl->Set(position);

	iControl->DrawDeferred();

    }

// ----------------------------------------------------

// CLmkEditorCoordinateField::CreateAvkonCoordinateEditorL

// ----------------------------------------------------

//

void CLmkEditorCoordinateField::CreateAvkonCoordinateEditorL()

	{

		//using AVKON's coordinate editor

	iControl = static_cast<CAknLocationEditor*>( iUiBuilder.CreateLineL(

            FieldLabel(), LandmarkItemField().UniqueFieldIdentity(),

            EAknCtLocationEditor));

    ConstructEditorFromResourceL();

	}

// ----------------------------------------------------

// CLmkEditorCoordinateField::ConstructEditorFromResourceL

// ----------------------------------------------------

//

void CLmkEditorCoordinateField::ConstructEditorFromResourceL()

	{

	TRealX fieldData;

	fieldData.SetNaN();

	TInt resId = R_LMK_LONG_EDITOR;

	fieldData = LandmarkItemField().DoubleData();

	if	(LandmarkItemField().FieldType() == ELatitude )

		{

		resId = R_LMK_LAT_EDITOR;

		iIsLatitude = ETrue;

		}

	TPosition position = ConstructPosition(fieldData);

	TResourceReader reader;

	iEnv->CreateResourceReaderLC(reader, resId);

	iControl->ConstructFromResourceL(reader);

	iControl->Set(position);

	CleanupStack::PopAndDestroy(); // reader

	}

// ----------------------------------------------------

// CLmkEditorCoordinateField::ConstructPosition

// ----------------------------------------------------

//

TPosition CLmkEditorCoordinateField::ConstructPosition(const TReal& aValue)

	{

	TRealX latData;

	latData.SetNaN();

	TRealX longData;

	longData.SetNaN();

	TTime time;

	time.HomeTime();

	if (iIsLatitude)

		{

		latData = aValue;

		}

	else

		{

		longData = aValue;

		}

	TCoordinate coord(latData, longData);

	TLocality loc(coord, KDefaultHorizontalAccuracy);

	TPosition position(loc, time);

	return position;

	}

// -----------------------------------------------------------------------------

//CLmkEditorFieldBase::FieldValue()

// -----------------------------------------------------------------------------

//

TReal CLmkEditorCoordinateField::FieldValue() const

	{

	TReal64 number = 0;

	if (iControl)

		{

		TPosition pos;

        iControl->Get(pos);

        if (iIsLatitude)

        	{

        	number = pos.Latitude();

        	}

        else

        	{

        	number = pos.Longitude();

        	}

		}

	return number;

	}

// -----------------------------------------------------------------------------

//CLmkEditorFieldBase::ResetL()

// -----------------------------------------------------------------------------

//

void CLmkEditorCoordinateField::ResetL()

	{

	TRealX latData;

	latData.SetNaN();

	TPosition position = ConstructPosition(latData);

	iControl->Set(position);

	}

// End of File