1 /*

     2 * Copyright (c) 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:  Implementation of CCmListbox

    15 *

    16 */

    17 

    18 #include <eikclbd.h>

    19 #include <avkon.mbg>

    20 #include <aknkeys.h>

    21 #include <data_caging_path_literals.hrh>

    22 

    23 #include "cmlistbox.h"

    24 #include "cmlistboxmodel.h"

    25 #include "cmlistitem.h"

    26 

    27 

    28 // ---------------------------------------------------------------------------

    29 // CCmListbox::NewL

    30 // ---------------------------------------------------------------------------

    31 //

    32 CCmListbox* CCmListbox::NewL( const CCoeControl* aParent )

    33     {

    34     CCmListbox* listbox = new ( ELeave ) CCmListbox();

    35     CleanupStack::PushL( listbox );

    36     listbox->ConstructL( aParent, EAknListBoxSelectionList );

    37     CleanupStack::Pop( listbox );    

    38     return listbox;

    39     }

    40 

    41 // ---------------------------------------------------------------------------

    42 // CCmListbox::CCmListbox

    43 // ---------------------------------------------------------------------------

    44 //

    45 CCmListbox::CCmListbox()

    46     {

    47     }

    48 

    49 // ---------------------------------------------------------------------------

    50 // CCmListbox::~CCmListbox

    51 // ---------------------------------------------------------------------------

    52 //

    53 CCmListbox::~CCmListbox()

    54     {

    55     }

    56 

    57 // ---------------------------------------------------------------------------

    58 // CCmListbox::OfferKeyEventL

    59 // ---------------------------------------------------------------------------

    60 //

    61 TKeyResponse CCmListbox::OfferKeyEventL

    62 ( const TKeyEvent& aKeyEvent, TEventCode aType )

    63     {

    64     if ( aKeyEvent.iCode == EKeyOK &&

    65          !( aKeyEvent.iModifiers & EModifierShift ) )

    66         {

    67         // Enter pressed (not Shift-Enter). This will report an

    68         // EEnterKeyPressed event sent to the observer (the view), which may

    69         // delete this listbox. The code which processes keypresses by

    70         // default, will continue (on the already deleted listbox), and

    71         // will crash. So we grab this keypress here, and generate the

    72         // same event, but after that, quit immediately!

    73         ReportListBoxEventL( MEikListBoxObserver::EEventEnterKeyPressed );

    74         // By now the listbox may have been deleted!

    75         // Do not access it after this point!

    76         return EKeyWasConsumed;

    77         }

    78     else

    79         {

    80         return CAknDoubleGraphicStyleListBox::OfferKeyEventL

    81             ( aKeyEvent, aType );

    82         }

    83     }

    84 

    85 // ---------------------------------------------------------------------------

    86 // CCmListbox::FocusChanged

    87 // ---------------------------------------------------------------------------

    88 //

    89 void CCmListbox::FocusChanged( TDrawNow aDrawNow )

    90     {

    91     // Do nothing until the listbox is fully constructed

    92     // The dialogpage sets the focus before calling ConstructL

    93     if ( iView )

    94         {

    95         CAknDoubleGraphicStyleListBox::FocusChanged( aDrawNow );

    96         }

    97     }

    98 

    99 // ---------------------------------------------------------------------------

   100 // CCmListbox::Uid4Item

   101 // ---------------------------------------------------------------------------

   102 //

   103 TUint32 CCmListbox::Uid4Item( TInt aItem ) const

   104     {

   105     CCmListboxModel* lbmodel =

   106         STATIC_CAST( CCmListboxModel*, Model()->ItemTextArray() );

   107     return lbmodel->At( aItem )->Uid();

   108     }

   109 

   110 // ---------------------------------------------------------------------------

   111 // CCmListbox::CurrentItemUid

   112 // ---------------------------------------------------------------------------

   113 //

   114 TUint32 CCmListbox::CurrentItemUid() const

   115     {

   116     CCmListboxModel* lbmodel =

   117         STATIC_CAST( CCmListboxModel*, Model()->ItemTextArray() );

   118     TInt idx = CurrentItemIndex();

   119     TUint32 retval( 0 );

   120     if ( idx >= 0 )

   121         {

   122         retval = lbmodel->At( idx )->Uid();

   123         }

   124     return retval;

   125     }

   126 

   127 // ---------------------------------------------------------------------------

   128 // CCmListbox::CurrentItemNameL

   129 // ---------------------------------------------------------------------------

   130 //

   131 const TDesC& CCmListbox::CurrentItemNameL()

   132     {

   133     CCmListboxModel* lbmodel = new( ELeave )CCmListboxModel;

   134     lbmodel = STATIC_CAST( CCmListboxModel*, Model()->ItemTextArray() );

   135     return lbmodel->At( CurrentItemIndex() )->Name();

   136     }

   137 

   138 // ---------------------------------------------------------------------------

   139 // CCmListbox::HandleResourceChange

   140 // ---------------------------------------------------------------------------

   141 //

   142 void CCmListbox::HandleResourceChange(TInt aType)

   143     {

   144     if ( aType == KAknsMessageSkinChange )

   145         {

   146         SizeChanged();

   147         }

   148         

   149     CAknDoubleGraphicStyleListBox::HandleResourceChange( aType );     

   150     }