diff -r 1fc85118c3ae -r 870918037e16 locationlandmarksrefappfors60/Src/LandmarksModel.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/locationlandmarksrefappfors60/Src/LandmarksModel.cpp Wed Sep 01 12:31:27 2010 +0100 @@ -0,0 +1,251 @@ +/* +* Copyright (c) 2004-2005 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of "Eclipse Public License v1.0" +* which accompanies this distribution, and is available +* at the URL "http://www.eclipse.org/legal/epl-v10.html". +* +* Initial Contributors: +* Nokia Corporation - initial contribution. +* +* Contributors: +* +* Description: Implements the CLandmarksModel class +* +*/ + + + +#include +#include +#include +#include + +#include + +#include +#include "LandmarksCommonData.h" +#include "LandmarksModel.h" + + +const TInt KDefaultIconIndex = 0; + +// ============================ MEMBER FUNCTIONS =============================== + +// ----------------------------------------------------------------------------- +// ----------------------------------------------------------------------------- +// +CLandmarksModel::CLandmarksModel() + { + } + +// ----------------------------------------------------------------------------- +// ----------------------------------------------------------------------------- +// +void CLandmarksModel::ConstructL() + { + // The list box model uses MDesCArray interface class to take in text items. + iListItems = new (ELeave) CDesCArraySeg(KGranularity); + } + +// ----------------------------------------------------------------------------- +// ----------------------------------------------------------------------------- +// +CLandmarksModel* CLandmarksModel::NewL() + { + CLandmarksModel* self = new (ELeave) CLandmarksModel(); + CleanupStack::PushL(self); + self->ConstructL(); + CleanupStack::Pop(self); + return self; + } + +// ----------------------------------------------------------------------------- +// ----------------------------------------------------------------------------- +// +CLandmarksModel::~CLandmarksModel() + { + delete iListItems; + } + +// ----------------------------------------------------------------------------- +// ----------------------------------------------------------------------------- +// +void CLandmarksModel::SetItemIds(RArray* aItemIds) + { + iItemIds = aItemIds; + + // Empty descriptor model + iListItems->Reset(); + } + +// ----------------------------------------------------------------------------- +// ----------------------------------------------------------------------------- +// +CDesCArraySeg* CLandmarksModel::ItemList() + { + return iListItems; + } + +// ----------------------------------------------------------------------------- +// ----------------------------------------------------------------------------- +// +void CLandmarksModel::SetCurrentItem(TInt aIndex) + { + iCurrentItem = aIndex; + } + +// ----------------------------------------------------------------------------- +// ----------------------------------------------------------------------------- +// +TPosLmItemId CLandmarksModel::CurrentItemId() + { + if (!iItemIds || iCurrentItem < 0 || + iCurrentItem > iItemIds->Count() - 1) + { + return KPosLmNullItemId; + } + + return (*iItemIds)[iCurrentItem]; + } + +// ----------------------------------------------------------------------------- +// ----------------------------------------------------------------------------- +// +void CLandmarksModel::GetItemIdsL( + const CArrayFix& aSelectionIndexes, + RArray& aItemIds ) + { + CleanupClosePushL(aItemIds); + + aItemIds.Reset(); + if ( iItemIds ) + { + for ( TInt i = 0; i < aSelectionIndexes.Count(); i++ ) + { + if ( i < iItemIds->Count() ) + { + aItemIds.AppendL( (*iItemIds)[aSelectionIndexes[i]] ); + } + else + { + break; + } + } + } + + CleanupStack::Pop(&aItemIds); + } + +// ----------------------------------------------------------------------------- +// ----------------------------------------------------------------------------- +// +CIconList* CLandmarksModel::CreateIconListL() + { + CIconList* iconList = + (CIconList*) new (ELeave) CArrayPtrFlat(KGranularity); + CleanupStack::PushL(iconList); + + // Create the default landmark icon consisting of its image and mask + TAknsItemID aknsItemId = {0,0}; + CGulIcon* icon = AknsUtils::CreateGulIconL(NULL, aknsItemId, + KLandmarksMbmFileName, + EMbmLmrefappDefault_lm, + EMbmLmrefappDefault_lm_mask); + CleanupStack::PushL(icon); + icon->SetBitmapsOwnedExternally(EFalse); + iconList->AppendL(icon); + CleanupStack::Pop(2, iconList); + + // initialze iIconList. We don't need to delete any possible previous + // iIconList since ownership is transferred to calling object. + iIconList = iconList; + + return iIconList; + } + +// ----------------------------------------------------------------------------- +// ----------------------------------------------------------------------------- +// +void CLandmarksModel::RepopulateModelL( + CArrayPtr* aLandmarks) + { + TInt nrOfReadItems = aLandmarks->Count(); + + // Format and insert the read landmarks + for (TInt i = 0; i < nrOfReadItems; i++) + { + CPosLandmark* landmark = (*aLandmarks)[i]; + HBufC* formattedListItem = FormatListItemLC(*landmark); + iListItems->AppendL(*formattedListItem); + CleanupStack::PopAndDestroy(formattedListItem); + } + } + +// ----------------------------------------------------------------------------- +// Formats a list item to the following format "X\tlandmarkName\t" +// where X = icon index +// (other items were commented in a header). +// ----------------------------------------------------------------------------- +// +HBufC* CLandmarksModel::FormatListItemLC(CPosLandmark& aLandmark) + { + // Extract name + TPtrC name; + aLandmark.GetLandmarkName(name); + // 10 extra chars for icon index and column separator + const TInt KExtraChars = 10; + HBufC* formattedNameBuf = HBufC::NewLC(name.Length() + KExtraChars); + TPtr formattedNamePtr = formattedNameBuf->Des(); + + // Extract icon info + TPtrC mbmIconFile; + TInt iconIndex, maskIndex; + TInt res = aLandmark.GetIcon(mbmIconFile, iconIndex, maskIndex); + + // Format list item + if (res == KErrNone) + { + // Create icon and append it to icon array. + TRAPD(err, AppendIconL(mbmIconFile, iconIndex, maskIndex)); + if (err == KErrNone) + { + // Append the array index where the icon is appended + formattedNamePtr.AppendNum(iIconList->Count() - 1); + } + else + { + formattedNamePtr.AppendNum(KDefaultIconIndex); + } + } + else // res == KErrNotFound + { + formattedNamePtr.AppendNum(KDefaultIconIndex); + } + formattedNamePtr.Append(KTab); + formattedNamePtr.Append(name); + + return formattedNameBuf; + } + +// ----------------------------------------------------------------------------- +// ----------------------------------------------------------------------------- +// +void CLandmarksModel::AppendIconL( + const TDesC& aMbmFile, + TInt aIconOffset, + TInt aMaskOffset) + { + TAknsItemID aknsItemId = {0,0}; + CGulIcon* icon = AknsUtils::CreateGulIconL(NULL, aknsItemId, + aMbmFile, + aIconOffset, + aMaskOffset); + CleanupStack::PushL(icon); + icon->SetBitmapsOwnedExternally(EFalse); + iIconList->AppendL(icon); + CleanupStack::Pop(icon); + } + +