C++ CDesCArray::Delete方法代码示例

void CMainMenuGridContainer::DeleteItemL(TInt aIndex) 
{
   CArrayPtr<CGulIcon>* icons = 
      iGrid->ItemDrawer()->FormattedCellData()->IconArray();
   if (icons && aIndex >= 0 && aIndex < icons->Count()) {
      //Delete item if index is valid.
      _LIT(KItem, "%d\t\t0");
      TBuf<8> buf;
      MDesCArray* array = iGrid->Model()->ItemTextArray();
      CDesCArray* cArray = (CDesCArray*)array;

      //Remove icon and items.
      icons->Delete(aIndex);
      cArray->Delete(aIndex, (cArray->Count() - aIndex));
      iGrid->HandleItemRemovalL();

      //Re-add the items behind, needed since we changed the indexes.
      for (TInt i = aIndex; i < icons->Count(); i++) {
         buf.Format(KItem, i);
         cArray->AppendL(buf);
      }
      //Inform list box that data was added.
      iGrid->HandleItemAdditionL();

      SetGridGraphicStyleL();
   }
}

// ---------------------------------------------------------
// CPosLmLocalDatabaseManager::ListDatabasesL
//
// (other items were commented in a header).
// ---------------------------------------------------------
//
void CPosLmLocalDatabaseManager::ListDatabasesL(
    RPointerArray<HPosLmDatabaseInfo>& aDatabaseInfoArray)
    {
    // list URIs
    CDesCArray* dbUriArray = ListDatabasesLC();
    // list registered databases
    Session().ListDatabasesL(aDatabaseInfoArray, KFileProtocol);
    // delete from URI list those databases that are registered
    for (TInt i = aDatabaseInfoArray.Count() - 1; i >= 0; i--)
        {
        TInt index;
        if (dbUriArray->Find(aDatabaseInfoArray[i]->DatabaseUri(), index) == 0)
            {
            dbUriArray->Delete(index);
            }
        }

    // for each remaining URI in the list, fill in database info
    // and add to list
    TInt count = dbUriArray->Count();
    for (TInt i = 0; i < count; i++)
        {
        HPosLmDatabaseInfo* info = HPosLmDatabaseInfo::NewLC((*dbUriArray)[i]);
        aDatabaseInfoArray.AppendL(info);
        CleanupStack::Pop(info); // transfer of ownership to array
        }

    CleanupStack::PopAndDestroy(dbUriArray);
    // database drive, database media and default flag
    // will be filled in by database management provider.
    }

/**
 * Delete the selected item or items from the list box.
 */
void CSettingList::DeleteSelectedListBoxItemsL( CEikTextListBox* aListBox )
	{
	CAknFilteredTextListBoxModel* model = 
		static_cast< CAknFilteredTextListBoxModel *> ( aListBox->Model() );
	if ( model->NumberOfItems() == 0 )
		return;
	
	RArray< TInt >* orderedSelectedIndices = GetSelectedListBoxItemsLC( aListBox );		
	if ( !orderedSelectedIndices )
		return;
		
	// Delete selected items from bottom up so indices don't change on us
	CDesCArray* itemArray = static_cast< CDesCArray* > ( model->ItemTextArray() );
	TInt currentItem = 0;
	
	for ( TInt idx = orderedSelectedIndices->Count(); idx-- > 0; ) 
		{
		currentItem = ( *orderedSelectedIndices )[ idx ];
		itemArray->Delete ( currentItem );
		}
	
	// dispose the array resources
	CleanupStack::PopAndDestroy();
	
	// dispose the array pointer
	CleanupStack::PopAndDestroy( orderedSelectedIndices );
	
	// refresh listbox's cursor now that items are deleted
	AknListBoxUtils::HandleItemRemovalAndPositionHighlightL(
		aListBox, currentItem, ETrue );
	}

// ---------------------------------------------------------------------------
// CLAPILandmarkStoreManager::LandmarkStoresL
// ---------------------------------------------------------------------------
//
CDesCArray* CLAPILandmarkStoreManager::LandmarkStoresL()
{
    JELOG2(EJavaLocation);
    // List landmark databases but remove the default store from the array
    CDesCArray* stores = iLmDbManager->ListDatabasesLC();
    HBufC* defaultDbName = iLmDbManager->DefaultDatabaseUriLC();

    // Remove the default database from the store names array. External stores
    // are also removed because this API does not support other than stores
    // which are located in the file system of the device
    TInt count = stores->Count();
    for (TInt i = 0; i < count; i++)
    {
        TPtrC storeUri = stores->MdcaPoint(i);
        if (defaultDbName->CompareF(storeUri) == 0 || storeUri.FindF(
                    KLAPIDefaultProtocol) == KErrNotFound)
        {
            stores->Delete(i);
            break;
        }
    }

    CleanupStack::PopAndDestroy(defaultDbName);
    CleanupStack::Pop(stores);
    return stores;
}

void CMainMenuGridContainer::AddItemL(TInt aBitmapId, TInt aMaskId, 
                                      TInt aIndex) 
{
   CArrayPtr<CGulIcon>* icons = 
      iGrid->ItemDrawer()->FormattedCellData()->IconArray();
   if (!icons) {
      icons = new ( ELeave ) CAknIconArray(9);
      iGrid->ItemDrawer()->FormattedCellData()->SetIconArrayL(icons);
   }
   CleanupStack::PushL(icons);

   CFbsBitmap* bitmap;
   CFbsBitmap* mask;

#ifdef NAV2_CLIENT_SERIES60_V3
   AknIconUtils::CreateIconL(bitmap, mask, iView->GetMbmName(), 
                             aBitmapId, aMaskId);
   AknIconUtils::SetSize(bitmap, iIconRect.Size(),
                         EAspectRatioPreservedAndUnusedSpaceRemoved);
#else
   bitmap = iEikonEnv->CreateBitmapL(iView->GetMbmName(), aBitmapId);
   mask = iEikonEnv->CreateBitmapL(iView->GetMbmName(), aMaskId);
#endif

   CleanupStack::PushL(bitmap);
   CleanupStack::PushL(mask);

   if (aIndex >= 0 && aIndex < icons->Count()) {
      icons->InsertL(aIndex, CGulIcon::NewL(bitmap, mask));
   } else {
      icons->AppendL(CGulIcon::NewL(bitmap, mask));
   }
   CleanupStack::Pop(mask);
   CleanupStack::Pop(bitmap);
   CleanupStack::Pop(icons);

   _LIT(KItem, "%d\t\t0");
   TBuf<8> buf;
   MDesCArray* array = iGrid->Model()->ItemTextArray();
   CDesCArray* cArray = (CDesCArray*)array;
   if (aIndex >= 0 && aIndex < icons->Count()) {
      buf.Format(KItem, aIndex);
      cArray->InsertL(aIndex, buf);
      aIndex++;
      //We need to delete and re-index the array since we inserted
      //a new icon in the icon array.
      cArray->Delete(aIndex, icons->Count() - aIndex);
      for (TInt i = aIndex; i < icons->Count(); i++) {
         buf.Format(KItem, i);
         cArray->AppendL(buf);
      }
   } else {
      buf.Format(KItem, (icons->Count() - 1));
      cArray->AppendL(buf);
   }
   //Inform list box that data was added.
   iGrid->HandleItemAdditionL();
}

void TestFindingL(CContactDatabase& aDb)
	{
	test.Next(_L("Test FindLC"));

	syncChecker->SetValidateResponseL(MContactSynchroniser::ERead,KErrLocked);
	syncChecker->SetValidateResponseL(MContactSynchroniser::ESearch,KErrLocked);
	
	CContactItemFieldDef* fieldDef=new(ELeave) CContactItemFieldDef;
	CleanupStack::PushL(fieldDef);
	fieldDef->AppendL(KUidContactFieldFamilyName); 
	
	
	TRAPD(err,TestFindL(aDb, KGivenEditName, fieldDef, test) );
	test(err==KErrLocked);
	CleanupStack::PopAndDestroy(fieldDef);

	CContactItemFieldDef* fieldDef2=new(ELeave) CContactItemFieldDef;
	CleanupStack::PushL(fieldDef2);
	fieldDef2->AppendL(KUidContactFieldPhoneNumber); 
	TRAP(err, TestFindL(aDb, KTelephoneNum, fieldDef2, test) );
	test(err==KErrLocked);
	CleanupStack::PopAndDestroy(fieldDef2);

	test.Next(_L("Test FindInTextDefL"));

	TCallBack callBack(findWordSplitterL);
	CContactTextDef* textDef=CContactTextDef::NewLC();
	textDef->AppendL(TContactTextDefItem(KUidContactFieldFamilyName));
	CDesCArray* desArray = new(ELeave) CDesCArrayFlat(5);
	desArray->AppendL(_L("e"));
	
	CContactIdArray* arr = NULL;
	TRAP(err,arr = TestFindInTextDefL(aDb,*desArray,textDef, callBack, test) );
	
//	test(err==KErrLocked);
	desArray->Delete(0);
	delete desArray;
//FIX
	delete arr;	
	CleanupStack::PopAndDestroy(textDef); 

	test.Next(_L("Test FindInTextDefL2"));

	TCallBack callBack2(findWordSplitterL);
	CContactTextDef* textDef2=CContactTextDef::NewLC();
	textDef2->AppendL(TContactTextDefItem(KUidContactFieldFamilyName));
	textDef2->AppendL(TContactTextDefItem(KUidContactFieldUrl));
	CDesCArray* desArray2 = new(ELeave) CDesCArrayFlat(5);
	desArray2->AppendL(_L("e"));
	
	TRAP(err,arr = TestFindInTextDefL(aDb,*desArray2,textDef2, callBack2, test) );
//	test(err==KErrLocked);
	desArray2->Delete(0);
	delete desArray2;
//FIX
	delete arr;	
	CleanupStack::PopAndDestroy(textDef2);
	}

void TestFindInTextDefLC(CContactDatabase& aDb, TContactItemId aIccId, TContactItemId aNonIccId)
	{
	test.Next(_L("Test FindInTextDefLC"));
	// Successful find of icc entry
	syncChecker->SetValidateResponseL(MContactSynchroniser::ESearch,KErrNone);
	syncChecker->SetValidateResponseL(MContactSynchroniser::ERead,KErrNone);

	TCallBack callBack(findWordSplitterL);
	CContactTextDef* textDef=CContactTextDef::NewLC();
	textDef->AppendL(TContactTextDefItem(KUidContactFieldFamilyName));
	CDesCArray* desArray = new(ELeave) CDesCArrayFlat(5);
	desArray->AppendL(_L("icc"));
	syncChecker->ResetMethodCallCountsL();
	CContactIdArray* array = aDb.FindInTextDefLC(*desArray,textDef,callBack);
	//test(syncChecker->ValidateMethodCallCountL() == 3);
	test(array!=NULL);
	test(array->Count() == 1);
	test((*array)[0]==aIccId);
	CleanupStack::PopAndDestroy(array);
	array=NULL;

	test.Next(_L("Test searching when ICC locked"));
	// Unsuccessful find of icc entry because icc locked
	syncChecker->SetValidateResponseL(MContactSynchroniser::ESearch,KErrLocked);
	syncChecker->ResetMethodCallCountsL();
	TRAPD(err,array = aDb.FindInTextDefLC(*desArray,textDef,callBack));
	test(syncChecker->ValidateMethodCallCountL() == 1);
	test(err==KErrLocked);
	test(array==NULL);
	desArray->Delete(0);
	delete desArray;

	// successful find of non-icc entry, even though icc locked
	CDesCArray* desArray2 = new(ELeave) CDesCArrayFlat(5);
	desArray2->AppendL(_L("non-icc"));
	syncChecker->ResetMethodCallCountsL();
	array = aDb.FindInTextDefLC(*desArray2,textDef,callBack);
	test(syncChecker->ValidateMethodCallCountL() == 0);
	test(array!=NULL);
	test(array->Count() == 1);
	test((*array)[0]==aNonIccId);

	// both the icc and non-icc entry should match the search criteria, but only the
	// non-icc entry should be returned since icc is locked
	SetNameField(aDb,aIccId,KNonIccName);
	syncChecker->ResetMethodCallCountsL();
	TRAP(err,array = aDb.FindInTextDefLC(*desArray2,textDef,callBack));
	test(syncChecker->ValidateMethodCallCountL() == 1);
	test(err==KErrLocked);
	test(array!=NULL);
	test(array->Count() == 1);
	test((*array)[0]==aNonIccId);
	desArray2->Delete(0);
	delete desArray2;
	SetNameField(aDb,aIccId,KIccName);
	CleanupStack::PopAndDestroy(2,textDef); // array, textDef
	}

void CPluginsList::Update()
	{
	CDesCArray* itemArray = static_cast< CDesCArray* > ( iListBox->Model()->ItemTextArray() );
	if (itemArray->Count()>0){itemArray->Delete(0,itemArray->Count());}
	iListBox->HandleItemAdditionL();
	TInt i=0;
	for (i=0; i<((CPluginsListView*)iCommandObserver)->iPlugins->Count(); i++)
		{
		TBuf<255> Buf;
		CreateListBoxItemL(Buf,((CPluginsListView*)iCommandObserver)->iPlugins->At(i).iName,((CPluginsListView*)iCommandObserver)->iPlugins->At(i).iDescription);
		AddListBoxItemL(iListBox,Buf);
		}
	}

// -----------------------------------------------------------------------------
// CSecModUIModel::CheckCodeViewStringsL(MDesCArray& aItemArray)
// -----------------------------------------------------------------------------
//
void CSecModUIModel::CheckCodeViewStringsL(MDesCArray& aItemArray)
    {
    LOG_ENTERFN("CSecModUIModel::CheckCodeViewStringsL()");       
    InitAuthObjectsL();
    ListAuthObjectsL();
        
    if (0 >= iAOArray.Count())
        {
        // Handle error
        }
    else if (1 == iAOArray.Count())
        {
        // Only PIN-G exists, let's remove "signing codes" from the list
        CDesCArray* itemArray = STATIC_CAST(CDesCArray*, &aItemArray);
        itemArray->Delete(1); // signing code is in the second position
        }

void CMainView::ChangeItemSubtitle(TInt aIndex,TDes16& aText)
	{
	TInt b=iMain->ListBox()->Model()->NumberOfItems();
	TBuf<255> prev = iMain->ListBox()->Model()->ItemText(aIndex);
	TChar a = '\t'; 
	TInt pos = prev.LocateReverse(a); 
	if (pos != KErrNotFound) 
		{	 
    TInt replace_length = prev.Length() - pos;
    prev.Delete(pos+1, replace_length); 
    prev.Insert(pos+1, aText); 
		}
	CDesCArray* itemArray = static_cast<CDesCArray*> (iMain->ListBox()->Model()->ItemTextArray());
	itemArray->Delete(aIndex);
	itemArray->InsertL(aIndex,prev);
	iMain->ListBox()->DrawNow();
	}

void CTcSettingsDialog::PreLayoutDynInitL()
	{
	CEikChoiceList* iapList =
		reinterpret_cast< CEikChoiceList* >( Control( ECtrlIAPName ) );

	CDesCArray* names = iapList->DesCArray();
	names->Delete( 0 );	// delete dummy item from array

	TInt count = iIAPManager->MdcaCount();
	for( TInt i = 0; i < count; i++ )
		{
		TBuf< KCommsDbSvrMaxFieldLength > name16;
		name16.Copy( iIAPManager->MdcaPoint( i ) );
		names->AppendL( name16 );
		if( (TInt)iIAPManager->Id( i ) == iSettings.iIAPId )
			{
			iapList->SetCurrentItem( i );
			}
		}

	SetChoiceListCurrentItem( ECtrlConnection, iSettings.iBearerType );
	
	TBuf<40> remoteAddrText;
	iSettings.iTCPRemoteAddr.Output( remoteAddrText );
	SetEdwinTextL(ECtrlRemoteAddr, &remoteAddrText);
	
	SetNumberEditorValue( ECtrlTcpPort, iSettings.iTCPPort );

    SetChoiceListCurrentItem( ECtrlCSYName, iSettings.iCSYName );
    SetChoiceListCurrentItem( ECtrlCommPort, iSettings.iCommPort );
    SetNumberEditorValue( ECtrlBaudrate, iSettings.iBaudrate );
    
	TInt autoconnect( 1 );
	if( !iSettings.iAutoConnect )
		{
		autoconnect = 0;	// no autoconnect
		}
	SetChoiceListCurrentItem( ECtrlAutoConnect, autoconnect );
	}

// ---------------------------------------------------------
// CBTUiDeviceContainer::RefreshDeviceListL
// This function will refresh only the changed parts of the
// screen, if any.
// ---------------------------------------------------------   
void CBTUiDeviceContainer::RefreshDeviceListL(const RDeviceArray* aDeviceArray,TInt selectedItem)
    {
	TRACE_FUNC_ENTRY
	
    MDesCArray* itemTextArray = iDeviceList->Model()->ItemTextArray();
    CDesCArray* itemArray = (CDesCArray*) itemTextArray;
    TBool removal=EFalse;
    TBool addition=EFalse;
	TInt previouslySelected=CurrentItemIndex();
    TBTDeviceName listItem;
    TInt deviceCount = aDeviceArray->Count();
    TInt i = 0;
    for( ; i < deviceCount; i++)
        {
        TBTDevice device = *(*aDeviceArray)[i];
        CreateListItemL(device, listItem);
        if(itemArray->Count()<=i)
        	{
        	itemArray->AppendL(listItem);
        	addition=ETrue;
        	}
        else
        	if(listItem != (*itemArray)[i] )
				{
				itemArray->Delete(i);
				itemArray->InsertL(i,listItem);
				
				removal=ETrue;
				addition=ETrue;
				}
        
        }
	if(itemArray->Count()-i>=0)
		{
		itemArray->Delete(i,itemArray->Count()-i);        
		removal=ETrue;
		}
		
        
	if(removal)        
		iDeviceList->HandleItemRemovalL();
	if(addition)
    	iDeviceList->HandleItemAdditionL();

	if(deviceCount >0 )
		iDeviceList->SetCurrentItemIndex( Max(selectedItem,0 )) ;
	else
		{
		HBufC* devEmptyText = NULL;
		if(iGroup ==EGroupPaired)
			{
			devEmptyText=iCoeEnv->AllocReadResourceLC( R_BT_NO_PAIRED_DEVICES);
			}    	
		else
			{    
			devEmptyText=iCoeEnv->AllocReadResourceLC( R_BT_NO_BLOCKED_DEVICES);
			}
		iDeviceList->View()->SetListEmptyTextL(*devEmptyText );
		CleanupStack::PopAndDestroy(devEmptyText);
		}
		
	if(addition | removal | previouslySelected!=selectedItem)
    	iDeviceList->DrawDeferred();
	TRACE_FUNC_EXIT
    }