mysettinglist.cpp

基于Symbian OS的手机开发与应用实践第11章代码。主要讲编辑框的使用。

/*
* ============================================================================
*  Name     : CMySettingList from CMySettingList.h
*  Part of  : SettingList
*  Created  : 16.03.2006 by ToBeReplacedByAuthor
*  Implementation notes:
*     Initial content was generated by Series 60 Application Wizard.
*  Version  :
*  Copyright: ToBeReplacedByCopyright
* ============================================================================
*/

// INCLUDE FILES
#include "SettingList.hrh"
#include "MySettingList.h"


// ================= MEMBER FUNCTIONS =======================

// ---------------------------------------------------------
// CSettingListContainer::ConstructL(const TRect& aRect)
// EPOC two phased constructor
// ---------------------------------------------------------
//

CMySettingList::CMySettingList(CMySettings& aSettings, MObserver& aObserver)
 : iSettings(aSettings), iObserver(aObserver)
    {
    }

// Destructor
CMySettingList::~CMySettingList()
    {
    }

// New functions
void CMySettingList::EditL()
    {
    EditItemL(ListBox()->CurrentItemIndex(), ETrue);
    }

//from CAknSettingItemList
CAknSettingItem* CMySettingList::CreateSettingItemL(TInt aSettingId)
    {
    /*
    NOTE: the viable pass its reference into CAknSettingItem as its external data
    the CAknSettingItem will maintain internal data, whose init value is external data
    after calling StoreL(), the external data will be replaced by internal data
    */
    CAknSettingItem* item = NULL;
    switch (aSettingId)
        {
        case ESettingListItemBinary:
            {
            item = new(ELeave) CAknBinaryPopupSettingItem(aSettingId, iSettings.iBinary);
            break;
            }
        case ESettingListItemEnum:
            {
            item = new(ELeave) CAknEnumeratedTextPopupSettingItem(aSettingId, iSettings.iEnum);
            break;
            }
        case ESettingListItemInteger:
            {
            item = new(ELeave) CAknIntegerEdwinSettingItem(aSettingId, iSettings.iInteger);
            break;
            }
        case ESettingListItemText:
            {
            item = new(ELeave) CAknTextSettingItem(aSettingId, iSettings.iText);
            break;
            }
        case ESettingListItemAlphaPsw:
            {
            item = new(ELeave) CAknPasswordSettingItem(aSettingId, CAknPasswordSettingItem::EAlpha, iSettings.iAlphaPsw);
            break;
            }
        case ESettingListItemNumPsw:
            {
            item = new(ELeave) CAknPasswordSettingItem(aSettingId, CAknPasswordSettingItem::ENumeric, iSettings.iNumPsw);
            break;
            }
        case ESettingListItemDate:
            {
            item = new(ELeave) CAknTimeOrDateSettingItem(aSettingId, CAknTimeOrDateSettingItem::EDate, iSettings.iDate);
            break;
            }
        case ESettingListItemTime:
            {
            item = new(ELeave) CAknTimeOrDateSettingItem(aSettingId, CAknTimeOrDateSettingItem::ETime, iSettings.iTime);
            break;
            }
        case ESettingListItemSlider:
            {
            item = new(ELeave) CAknSliderSettingItem(aSettingId, iSettings.iSlider);
            break;
            }
        case ESettingListItemVolume:
            {
            item = new(ELeave) CAknVolumeSettingItem(aSettingId, iSettings.iVolume);
            break;
            }
        case ESettingListItemAddr:
            {
            item = new(ELeave) CAknIpFieldSettingItem(aSettingId, iSettings.iAddr);
            break;
            }
        default:
            {
            User::Leave(KErrNotFound);
            break;
            }
        }
    return item;
    }

void CMySettingList::EditItemL(TInt aIndex, TBool aCalledFromMenu)
    {
    // Popup the setting page
    CAknSettingItemList::EditItemL(aIndex, aCalledFromMenu);

    // Get data from the setting page and store it
    CAknSettingItemArray* itemArray = SettingItemArray();
    CAknSettingItem& item= *(itemArray->operator[](aIndex));
    item.StoreL();

    // Notify observer a setting is changed
    iObserver.OnChangedL();
    }

//End Of File