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 customized popup-list control.

    15 *

    16 */

    17 

    18 

    19 #ifndef NPDPOPUPLIST_H

    20 #define NPDPOPUPLIST_H

    21 

    22 // INCLUDES

    23 #include <e32base.h>

    24 #include <aknPopup.h>

    25 #include "NpdModelObserver.h"

    26 

    27 // FORWARD DECLARATIONS

    28 class CAknPopupList;

    29 class CNotepadModel;

    30 class CEikListBox;

    31 

    32 // CLASS DECLARATION

    33 /**

    34 *  Customized popup list control for fetching a memo or template.

    35 *  CNotepadPopupList is a customized popup list control for fetching a 

    36 *  memo or template. It extends CAknPopupList to be able to manage 

    37 *  dynamically changes of list items.

    38 *  

    39 */

    40 class CNotepadPopupList : public CAknPopupList,

    41     public MNotepadModelObserver,

    42     public MCoeViewObserver

    43     {

    44     public: // Constructor and destructor

    45 

    46         /**

    47         * Constructor.

    48         *

    49         * @param aListBox Pre-existing listbox-derived class.

    50         * @param aCbaResource Softkey pane to display while pop-up is active.

    51         * @param aType Type of layout.

    52         * @param aModel CNotepadModel object.

    53         * @return a new CNotepadPopupList object.

    54         */

    55         static CNotepadPopupList* NewL(

    56             CEikListBox* aListBox, 

    57             TInt aCbaResource, 

    58             AknPopupLayouts::TAknPopupLayouts aType,

    59             CNotepadModel& aModel );

    60 

    61         /**

    62         * Destructor.

    63         */

    64         ~CNotepadPopupList();

    65 

    66     public: // New function

    67 

    68         /**

    69         * Execute a popup list. 

    70         * If the database is changed during the execusion, this class receives

    71         * a notification via the MNotepadModelObserver interface and

    72         * the popup list is refreshed automatically.

    73         *

    74         * @return ETrue if the popup list was accepted. EFalse if the 

    75         * popup list was cancelled.

    76         */

    77         TBool EnhancedExecuteLD( TBool& aFinished );

    78 

    79     private: // Constructor 

    80 

    81         /**

    82         * C++ constructor.

    83         */

    84         CNotepadPopupList(

    85             CNotepadModel& aModel );

    86 

    87     private:  // Functions from base classes

    88 

    89         /**

    90         * From CAknPopupList.

    91         *

    92         * @param aAccept ETrue if the user accepted. 

    93         * EFalse if the user cancelled.

    94         */

    95         void AttemptExitL(TBool aAccept);

    96 

    97         /**

    98         * From MNotepadModelObserver.

    99         * Handles a event of CNotepadModel.

   100         *

   101         * @param aEvent Type of an event.

   102         * @param aParam Optional parameter of an event.

   103         */ 

   104         void HandleNotepadModelEventL(

   105             TEvent aEvent, 

   106             TInt aParam );

   107 

   108         /**

   109         * From MCoeViewObserver

   110         * 

   111         * @param aEvent view event type.

   112         */

   113         void HandleViewEventL(const TVwsViewEvent& aEvent);

   114 

   115     private: // Data

   116 

   117         enum TNotepadPopupListFlag

   118             {

   119             ENotepadObserveView = 0x01,

   120             ENotepadIsViewDeactivated = 0x02

   121             //ENotepadEverViewDeactivated = 0x04

   122             };

   123         CNotepadModel& iModel;  // not own

   124         TInt iSavedCount;

   125         TInt iSavedIndex;

   126         TBool* iFinished;

   127         TUint iFlags;

   128     };

   129 

   130 #endif // NPDPOPUPLIST_H

   131 

   132 // End of File