/*

* Copyright (c) 2003-2006 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:  CMIDChoiceGroupElement encapsulates a ChoiceGroup

*                listbox entry (text, image, selection state and all)

*

*/

//  INCLUDES

#include <fbs.h>

#include <bitdev.h>

#include <gdi.h>

#include "CMIDChoiceGroupElement.h"

#include "CMIDUtils.h"

const TInt KSpaceForNumber    = 6;

const TInt KSpaceForTabulator = 1;

CMIDChoiceGroupElement* CMIDChoiceGroupElement::NewL()

{

    return new(ELeave)CMIDChoiceGroupElement();

}

CMIDChoiceGroupElement::CMIDChoiceGroupElement()

{

}

// Destructor

CMIDChoiceGroupElement::~CMIDChoiceGroupElement()

{

    delete iText;

    if (Flags() & CGEF_OWNSICON)

    {

        delete iIcon;

    }

}

// Set element text

void CMIDChoiceGroupElement::SetTextL(const TDesC& aText)

{

    // Get rid of old text, set to NULL in case allocation fails

    if (iText)

    {

        delete iText;

        iText = NULL;

    }

    // Make a copy of the string

    iText = aText.AllocL();

}

// Retrieve text for the listbox. This means that the image indeces

// are also added into the string and separated by tabs

const TPtrC CMIDChoiceGroupElement::LboxText(TInt aImageIndex)

{

    // Construct a new line with the correct image index

    _LIT(KLboxLineFormat, "%d\t%d\t%S");

    delete iLboxText;

    // Reserve space for number + tab + number + tab + element text

    TInt len = 2 * KSpaceForNumber + 2 * KSpaceForTabulator + (iText ? iText->Length() : 0);

    iLboxText = HBufC::New(len);

    if (!iLboxText)

    {

        return TPtrC(KNullDesC);

    }

    // Write the string into the buffer

    TPtr ptr = iLboxText->Des();

    ptr.Format(

        KLboxLineFormat,

        IsSelected() ? 0 : 1,

        aImageIndex,

        iText);

    return ptr;

}

// Set icon. If owned, an icon is deleted by the element

void CMIDChoiceGroupElement::SetIcon(

    CGulIcon* aIcon,

    TBool aElementOwnsIcon /*= ETrue */)

{

    // Get rid of old icon, if any and if owned

    if ((iIcon) && (Flags() & CGEF_OWNSICON))

    {

        delete iIcon;

    }

    iIcon = aIcon;

    if (aElementOwnsIcon)

    {

        iFlags |= CGEF_OWNSICON;

    }

    else

    {

        iFlags &= ~CGEF_OWNSICON;

    }

}

// Set icon from bitmaps. If owned, an icon is deleted by the element

// We expect that the bitmaps have been created for us and are in the correct format

void CMIDChoiceGroupElement::SetIconL(

    CFbsBitmap& aBitmap,

    CFbsBitmap* aMask /* = NULL */,

    TBool aElementOwnsIcon /* = ETrue */)

{

    CGulIcon* icon = CGulIcon::NewL(&aBitmap, aMask);

    icon->SetBitmapsOwnedExternally(!aElementOwnsIcon);

    SetIcon(icon, aElementOwnsIcon);

}

// End of File