1 /*

     2 * Copyright (c) 2003-2006 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  CMIDChoiceGroupElement encapsulates a ChoiceGroup

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

    16 *

    17 */

    18 

    19 

    20 

    21 //  INCLUDES

    22 #include <fbs.h>

    23 #include <bitdev.h>

    24 #include <gdi.h>

    25 

    26 #include "CMIDChoiceGroupElement.h"

    27 #include "CMIDUtils.h"

    28 

    29 const TInt KSpaceForNumber    = 6;

    30 const TInt KSpaceForTabulator = 1;

    31 

    32 CMIDChoiceGroupElement* CMIDChoiceGroupElement::NewL()

    33 {

    34     return new(ELeave)CMIDChoiceGroupElement();

    35 }

    36 

    37 CMIDChoiceGroupElement::CMIDChoiceGroupElement()

    38 {

    39 }

    40 

    41 

    42 // Destructor

    43 CMIDChoiceGroupElement::~CMIDChoiceGroupElement()

    44 {

    45     delete iText;

    46 

    47     if (Flags() & CGEF_OWNSICON)

    48     {

    49         delete iIcon;

    50     }

    51 }

    52 

    53 

    54 // Set element text

    55 void CMIDChoiceGroupElement::SetTextL(const TDesC& aText)

    56 {

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

    58     if (iText)

    59     {

    60         delete iText;

    61         iText = NULL;

    62     }

    63 

    64     // Make a copy of the string

    65     iText = aText.AllocL();

    66 }

    67 

    68 

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

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

    71 const TPtrC CMIDChoiceGroupElement::LboxText(TInt aImageIndex)

    72 {

    73     // Construct a new line with the correct image index

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

    75     delete iLboxText;

    76 

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

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

    79     iLboxText = HBufC::New(len);

    80 

    81     if (!iLboxText)

    82     {

    83         return TPtrC(KNullDesC);

    84     }

    85 

    86     // Write the string into the buffer

    87     TPtr ptr = iLboxText->Des();

    88     ptr.Format(

    89         KLboxLineFormat,

    90         IsSelected() ? 0 : 1,

    91         aImageIndex,

    92         iText);

    93 

    94     return ptr;

    95 }

    96 

    97 

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

    99 void CMIDChoiceGroupElement::SetIcon(

   100     CGulIcon* aIcon,

   101     TBool aElementOwnsIcon /*= ETrue */)

   102 {

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

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

   105     {

   106         delete iIcon;

   107     }

   108 

   109     iIcon = aIcon;

   110 

   111     if (aElementOwnsIcon)

   112     {

   113         iFlags |= CGEF_OWNSICON;

   114     }

   115     else

   116     {

   117         iFlags &= ~CGEF_OWNSICON;

   118     }

   119 }

   120 

   121 

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

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

   124 void CMIDChoiceGroupElement::SetIconL(

   125     CFbsBitmap& aBitmap,

   126     CFbsBitmap* aMask /* = NULL */,

   127     TBool aElementOwnsIcon /* = ETrue */)

   128 {

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

   130     icon->SetBitmapsOwnedExternally(!aElementOwnsIcon);

   131 

   132     SetIcon(icon, aElementOwnsIcon);

   133 }

   134 

   135 // End of File