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 the License "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:  Listbox for select element.

    15 *

    16 *

    17 */

    18 

    19 

    20 #ifndef CBROWSERSELECTELEMENTLISTBOX_H

    21 #define CBROWSERSELECTELEMENTLISTBOX_H

    22 

    23 //  INCLUDES

    24 #include <aknlists.h>

    25 #include <BrCtlDialogsProvider.h>

    26 

    27 // CLASSES

    28 

    29 class TBrCtlSelectElementFilterTextArray: public MDesCArray

    30     {

    31     /**

    32     *   Construction

    33     */

    34     public: 

    35         TBrCtlSelectElementFilterTextArray(

    36                         const CArrayFix<TBrCtlSelectOptionData>& aOptions );

    37 

    38     public:     // from MDesCArray

    39 

    40         /**

    41         * Get number of items in the array.

    42         * @return Number of items.

    43         */

    44         TInt MdcaCount() const;

    45 

    46         /**

    47         * Text to be displayed for this item.

    48         * @param aIndex Index of item.

    49         * @return TPtrC for this item text.

    50         */

    51         TPtrC MdcaPoint( TInt aIndex ) const;

    52 

    53         /**

    54         * The model uses this class.

    55         */

    56         friend class CBrowserSelectElementModel;

    57 

    58     private:    // data

    59 

    60         /**

    61         * Pointer to real data. Not owned.

    62         */

    63         const CArrayFix<TBrCtlSelectOptionData>& iOptions;

    64     };

    65 

    66 class TBrCtlSelectElementItemTextArray: public MDesCArray

    67     {

    68     public:

    69         /**

    70         * Contructor.

    71         */

    72         TBrCtlSelectElementItemTextArray( 

    73                         const CArrayFix<TBrCtlSelectOptionData>& aOptions );

    74         

    75         /**

    76         * Destructor.

    77         */

    78         ~TBrCtlSelectElementItemTextArray();

    79 

    80     public:     // from MDesCArray

    81 

    82         /**

    83         * Get number of items in the array.

    84         * @return Number of items.

    85         */

    86         TInt MdcaCount() const;

    87 

    88         /**

    89         * Text to be displayed for this item.

    90         * @param aIndex Index of item.

    91         * @return TPtrC for this item text.

    92         */

    93         TPtrC MdcaPoint( TInt aIndex ) const;

    94 

    95         void FormatTextL(  const TBrCtlSelectOptionData& optionData );

    96 

    97         HBufC* AddPrefixLC( const TDesC& aText, TBool aIsOptionGroup ) const;

    98 

    99         /**

   100         * The model uses this class.

   101         */

   102         friend class CBrowserSelectElementModel;

   103 

   104     private:    // data

   105 

   106         const CArrayFix<TBrCtlSelectOptionData>& iOptions; //Pointer to real data. Not owned.

   107         HBufC* iText;

   108     };

   109 

   110 

   111 /**

   112 *  Implements the WML selection list.

   113 */

   114 class CBrowserSelectElementListBox : 

   115                                 public CAknSingleGraphicPopupMenuStyleListBox

   116     {

   117     public: // Constructors and destructor

   118 

   119         CBrowserSelectElementListBox( 

   120                         const TBrCtlSelectOptionType aBrCtlSelectOptionType,

   121                         const CArrayFix<TBrCtlSelectOptionData>& aOptions );

   122         

   123         /**

   124         * C++ default constructor.

   125         * @param aParent The parent control.

   126         * @param aElement The select element.

   127         */

   128         void ConstructL( const CCoeControl& aParent );

   129   

   130     public: // Functions from CAknSingleGraphicStyleListBox

   131 

   132         /**

   133         * Creates its own itemdrawer.

   134         */

   135         void CreateItemDrawerL();

   136 

   137         /**

   138         * Handles key events.

   139         * @param aKeyEvent The key event.

   140         * @param aType The type.

   141         * @return Response.

   142         */

   143         TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent,

   144                                      TEventCode aType );

   145 

   146         /**

   147         * Calls the base class's method if its possible.

   148         * @param aDrawNow Enable redraw.

   149         */

   150         void FocusChanged( TDrawNow aDrawNow );

   151 

   152         /**

   153         * Calls AdjustHighlight.

   154         */

   155         void SizeChanged();

   156 

   157         void HighlightSelectableItem();

   158 

   159         /**

   160         * Sets the selection, and moves the highlight to the right position.

   161         */

   162         void SetSelectionIndexesL();

   163 

   164         void HandleResourceChangeL( TInt aType );

   165         /**

   166         * HandlePointerEventL

   167         * From CCoeControl

   168         *

   169         */

   170         void HandlePointerEventL(const TPointerEvent& aPointerEvent);

   171 

   172 

   173     private:    // New functions

   174 

   175         /**

   176         * Moves the highlight to the first visible selected item

   177         * or the first item.

   178         */

   179         void AdjustHighlight();

   180 

   181     private:

   182 

   183         const CArrayFix<TBrCtlSelectOptionData>& iOptions;

   184 

   185         const TBrCtlSelectOptionType iBrCtlSelectOptionType;

   186     

   187         TBool iHasNotMoved;//show whether the user has pressed any key

   188     };

   189 

   190 #endif

   191             

   192 // End of File