/*

* 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

*

*/

#ifndef _GLXCOMMANDVARIANTTYPE_H_

#define _GLXCOMMANDVARIANTTYPE_H_

#include <e32base.h>                   // Container Base Class

#include <mul/mulvarianttype.h>        // create data for data model

//Forward declaration

class MGlxBoundCommand;                // Handles user commands

namespace Alf

    {

    class MulVisualItem;               // Client need to use this class to add data in data model

    }

/**

 * CommandVariantType

 */

NONSHARABLE_CLASS( CommandVariantType ) :  public Alf::MulVariantType

    {

public:

	/**

	 * Constructor

	 */

    CommandVariantType( MGlxBoundCommand& aCommand );

   	/**

	 * Command

	 * @return MGlxBoundCommand the command binded

	 */

	MGlxBoundCommand& Command() const;

    /**

     * Destructor

     */	

	~CommandVariantType();

private: 

	// From MulVariantType

    /** Should not be called, but in case of misbehaving model code */

    int integer() const;

    TMulType Type() const; 

    std::auto_ptr< IMulVariantType > Clone();

private:

    MGlxBoundCommand& iCommand;

    };

/**

 * GlxCommandBindingUtility

 * collect binding handling here, so that nasty command attribute (tag) name usage remains in one class

 */

NONSHARABLE_CLASS( GlxCommandBindingUtility )

    {

public:

	/**

	 * SetT

	 * set the binding for the visual item

	 * @param MulVisualItem the visual item

	 * @param aCommand MGlxBoundCommand to set for visual item

	 */

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

   	/**

	 * Get

	 * Get BoundCommand for a visual item

	 * @param MulVisualItem the visual item

	 * @return MGlxBoundCommand

	 * returns NULL if command value was not added 

	 */

    static MGlxBoundCommand* Get( const Alf::MulVisualItem& aItem );

    };

#endif // _GLXCOMMANDVARIANTTYPE_H_