/*

* Copyright (c) 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:

*

*/

package javax.microedition.lcdui;

import org.eclipse.swt.SWT;

/**

 * Key table.

 */

final class KeyTable

{

    static final int[][] KEY_TO_GAME_TABLE =

    {

        {-1,  Canvas.UP},

        {Canvas.KEY_NUM2,  Canvas.UP},

        {SWT.ARROW_UP,  Canvas.UP},

        {-2,  Canvas.DOWN},

        {Canvas.KEY_NUM8,  Canvas.DOWN},

        {SWT.ARROW_DOWN,  Canvas.DOWN},

        {-3,  Canvas.LEFT},

        {Canvas.KEY_NUM4,  Canvas.LEFT},

        {SWT.ARROW_LEFT,  Canvas.LEFT},

        {-4,  Canvas.RIGHT},

        {Canvas.KEY_NUM6,  Canvas.RIGHT},

        {SWT.ARROW_RIGHT,  Canvas.RIGHT},

        {-5,  Canvas.FIRE},

        {Canvas.KEY_NUM5,  Canvas.FIRE},

        {-10, Canvas.FIRE},

        {Canvas.KEY_NUM7,  Canvas.GAME_A},

        {Canvas.KEY_NUM9,  Canvas.GAME_B},

        {Canvas.KEY_STAR,  Canvas.GAME_C},

        {Canvas.KEY_POUND,  Canvas.GAME_D}

    };

    /**

     * Private constructor.

     */

    private KeyTable()

    {

    }

    static int getGameAction(int aKeyCode)

    {

        for(int i = 0; i < KEY_TO_GAME_TABLE.length; i++)

        {

            if(KEY_TO_GAME_TABLE[i][0] == aKeyCode)

            {

                return KEY_TO_GAME_TABLE[i][1];

            }

        }

        //No game action corresponding to this key

        return 0;

    }

    static int getKeyCode(int aGameAction)

    {

        for(int i = 0; i < KEY_TO_GAME_TABLE.length; i++)

        {

            if(KEY_TO_GAME_TABLE[i][1] == aGameAction)

            {

                return KEY_TO_GAME_TABLE[i][0];

            }

        }

        //No key code corresponding to this game action

        return 0;

    }

    static String getKeyName(int aKeyCode)

    {

        switch(aKeyCode)

        {

        case Canvas.KEY_NUM0:

            return "0";

        case Canvas.KEY_NUM1:

            return "1";

        case Canvas.KEY_NUM2:

            return "2";

        case Canvas.KEY_NUM3:

            return "3";

        case Canvas.KEY_NUM4:

            return "4";

        case Canvas.KEY_NUM5:

            return "5";

        case Canvas.KEY_NUM6:

            return "6";

        case Canvas.KEY_NUM7:

            return "7";

        case Canvas.KEY_NUM8:

            return "8";

        case Canvas.KEY_NUM9:

            return "9";

        case Canvas.KEY_STAR:

        case Canvas.KEY_POUND:

        case -1:

        case -2:

        case -3:

        case -4:

        case -5:

        default:

            throw new IllegalArgumentException(

            MsgRepository.CANVAS_EXCEPTION_INVALID_KEY_CODE);

        }

    }

}