1 /*

     2 * Copyright (c) 2002 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:  Declaration of class CApNetSelectorListboxModel.

    15 *

    16 */

    17 

    18 

    19 #ifndef APNETSELECTOR_LISTBOX_MODEL_H

    20 #define APNETSELECTOR_LISTBOX_MODEL_H

    21 

    22 // INCLUDE FILES

    23 #include <eikdialg.h>

    24 #include <ApNetworkItemList.h>

    25 

    26 

    27 // CONSTANTS

    28 // Granularity of the model array.

    29 const TInt KGranularity = 8;

    30 

    31 

    32 _LIT( KListItemFormatGraphicOnOff, "%d\t%*S" );

    33 

    34 const TInt KMaxFormatSize = sizeof( KListItemFormatGraphicOnOff );

    35 const TInt KMaxListItemNameLength = 50; // = KCommsDbSvrMaxFieldLength

    36 

    37 

    38 /**

    39 * Buffer size for formatting listbox text. Maximum item length

    40 * plus listbox internals (tabulators for icons etc.) must fit into it.

    41 *

    42 * Important note:

    43 * The model of the listbox is a CAknFilteredTextListBoxModel.

    44 * The *itemarray* of that model is this class. That is, whatever is in

    45 * the model (this class), it may not be visible, if it is filtered out.

    46 * We always must use the listbox's Model() to get visible ones.

    47 */

    48 const TInt KMaxApSelectorListboxName = KMaxListItemNameLength+KMaxFormatSize;

    49 

    50 

    51 // CLASS DECLARATION

    52 

    53 /**

    54 * Model for the network group selection listbox. 

    55 * It is an array of CApNetworkItem pointers; 

    56 * items are owned.

    57 */

    58 NONSHARABLE_CLASS( CApNetSelectorListboxModel ) :

    59         public CApNetworkItemList,

    60         public MDesCArray

    61     {

    62     public:     // Construct / destruct

    63 

    64         /**

    65         * Constructor.

    66         */

    67         CApNetSelectorListboxModel( );

    68 

    69         /**

    70         * Destructor.

    71         */

    72         virtual ~CApNetSelectorListboxModel();

    73 

    74     public:     // from MDesCArray

    75 

    76         /**

    77         * Get number of items in the model.

    78         * @return Number of items.

    79         */

    80         TInt MdcaCount() const;

    81 

    82         /**

    83         * Text to be displayed for this item.

    84         * @param aIndex Index of item.

    85         * @return TPtrC for this item text (text owned by the model).

    86         */

    87         TPtrC MdcaPoint( TInt aIndex ) const;

    88 

    89 

    90     public:

    91         /**

    92         * index <--> Uid conversion

    93         * @param aUid UID

    94         * @param aErr Error code 

    95         * @return The index for the passed UID 

    96         */

    97         TInt Item4Uid( TUint32 aUid, TInt& aErr ) const;

    98 

    99     private:    // data

   100         /**

   101         * Formats the text of the listbox.

   102         * @param aIndex Index of item.

   103         * @param aBuf Buffer to store formatted text.

   104         */

   105         void FormatListboxText( TInt aIndex, TDes& aBuf ) const;

   106 

   107         /**

   108         * MdcaPoint() cannot leave, so this buffer is allocated

   109         * to allow formatting. Fortunately, doesn't have to be very

   110         * large.

   111         * We have to use MUTABLE CAST, as MdcaPoint is const (odd enough),

   112         * so wouldn't allow formatting the text in a member...

   113         */

   114         __MUTABLE TBuf<KMaxApSelectorListboxName> iBuf;

   115 

   116     };

   117 

   118 

   119 #endif

   120 

   121 // End of file