/*

* Copyright (c) 2008-2009 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:    collect binding handling here

*

*/

#include "glxcommandbindingutility.h"        // collect binding handling here

#include <glxlog.h>                          // Logging

#include <memory>

#include <mul/mulvisualitem.h>                   // Client need to use this class to add data in data model

#include <glxtracer.h>

#include <mul/mulvisualitem.h>              // Client need to use this class to add data in data model 

const int KCommandTagName = 200;

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

// CommandVariantType Default Constructor

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

//

CommandVariantType::CommandVariantType( MGlxBoundCommand& aCommand )

    : iCommand( aCommand )

	{

	}

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

// CommandVariantType destructor

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

//

CommandVariantType::~CommandVariantType()

    {

    //no implementation

    }	

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

// CommandVariantType::Command

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

//

MGlxBoundCommand& CommandVariantType::Command() const

	{

	TRACER("CommandVariantType::Command");

	return iCommand;

	}

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

// CommandVariantType::integer

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

//

int CommandVariantType::integer() const

	{

	TRACER("CommandVariantType::integer");

	return 0; 

	}

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

// CommandVariantType::Type

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

//

Alf::MulVariantType::TMulType CommandVariantType::Type() const 

     {

     TRACER("CommandVariantType::Type");

     return MulVariantType::ECustomData;

     }

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

// CommandVariantType::Clone

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

// 

 std::auto_ptr< Alf::MulVariantType::IMulVariantType > CommandVariantType::Clone()

     {

     TRACER("CommandVariantType::Clone");

     std::auto_ptr<Alf::MulVariantType::IMulVariantType> clone( new (EMM) CommandVariantType(iCommand));

     return clone;

     }

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

// GlxCommandBindingUtility::SetT

// ------------------------------------------------------------`----------------

//

void GlxCommandBindingUtility::SetT( Alf::MulVisualItem& aItem, MGlxBoundCommand& aCommand )

    {

    TRACER("GlxCommandBindingUtility::SetT");

    std::auto_ptr< Alf::IMulVariantType > value( new ( EMM ) CommandVariantType( aCommand ) );

    aItem.SetAttribute( (Alf::mulvisualitem::TVisualAttribute)( KCommandTagName ), value.get() );

    value.release();

    }

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

// GlxCommandBindingUtility::Get

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

//

MGlxBoundCommand* GlxCommandBindingUtility::Get( const Alf::MulVisualItem& aItem )

    {

    TRACER("GlxCommandBindingUtility::Get");

    Alf::IMulVariantType* attr = 

        const_cast< Alf::MulVisualItem& >( aItem ).Attribute(

             (Alf::mulvisualitem::TVisualAttribute)( KCommandTagName ) );

    if ( attr )

        {

        // If this crashes, it means that the model has tried to copy CommandVariantType object (and hence converted it to AlfVariantType)

        // this is a bug in the mul model

        __ASSERT_DEBUG( dynamic_cast< CommandVariantType* >(attr), User::Invariant() ); /// @todo panic instead

        return &static_cast< CommandVariantType* >( attr )->Command();

        }

    return NULL;

    }