author | Simon Howkins <simonh@symbian.org> |
Mon, 15 Nov 2010 15:22:23 +0000 | |
branch | RCL_3 |
changeset 46 | 4bd0ef495c42 |
parent 0 | 522cd55cc3d7 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2004-2005 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* Implements the CLandmarksCategoriesModel class and some help functions |
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* |
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*/ |
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|
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|
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|
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#include <eikenv.h> |
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#include <gulicon.h> |
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#include <AknsUtils.h> |
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#include <AknsItemID.h> |
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#include <EPos_CPosLandmarkCategory.h> |
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|
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#include <lmrefapp.mbg> |
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#include "LandmarksCommonData.h" |
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#include "LandmarksCategoriesModel.h" |
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// ============================= LOCAL FUNCTIONS =============================== |
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|
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// ----------------------------------------------------------------------------- |
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// DefaultIconIndex returns the icon index of the appropriate default icon. |
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// User defined categories have different default icons than global ones. |
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// |
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// Returns: an icon index |
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// Param: aCategory the category to investigate |
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// ----------------------------------------------------------------------------- |
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// |
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TInt DefaultIconIndex(CPosLandmarkCategory& aCategory) |
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{ |
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// Global categories have different default icon than user-defined. |
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TBool isGlobal = aCategory.GlobalCategory() != KPosLmNullGlobalCategory; |
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if (isGlobal) |
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{ |
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return KDefaultGlobalIconIndex; |
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} |
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else |
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{ |
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return KDefaultUserIconIndex; |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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// ResetAndDestroyIcons |
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// Resets and destroys an array of icons. This function is used as a |
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// TCleanupOperation. |
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// Params: aAny: The icons array to reset ands destroy |
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// ----------------------------------------------------------------------------- |
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// |
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void ResetAndDestroyIcons(TAny* aAny) |
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{ |
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CIconList* icons = reinterpret_cast <CIconList*> (aAny); |
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for (TInt i = 0; i < icons->Count(); i++) |
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{ |
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delete &icons[i]; |
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} |
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icons->Reset(); |
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} |
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|
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// ============================ MEMBER FUNCTIONS =============================== |
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// ----------------------------------------------------------------------------- |
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// ----------------------------------------------------------------------------- |
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// |
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CLandmarksCategoriesModel::CLandmarksCategoriesModel() |
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{ |
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} |
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// ----------------------------------------------------------------------------- |
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// ----------------------------------------------------------------------------- |
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// |
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void CLandmarksCategoriesModel::ConstructL() |
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{ |
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// The list box model uses MDesCArray interface class to take in text items. |
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iListItems = new(ELeave) CDesCArraySeg(KGranularity); |
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} |
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// ----------------------------------------------------------------------------- |
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// ----------------------------------------------------------------------------- |
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// |
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CLandmarksCategoriesModel* CLandmarksCategoriesModel::NewL() |
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{ |
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CLandmarksCategoriesModel* self = |
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new (ELeave) CLandmarksCategoriesModel(); |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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CleanupStack::Pop(self); |
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return self; |
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} |
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// ----------------------------------------------------------------------------- |
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// ----------------------------------------------------------------------------- |
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// |
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CLandmarksCategoriesModel::~CLandmarksCategoriesModel() |
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109 |
{ |
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delete iListItems; |
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} |
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112 |
|
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// ----------------------------------------------------------------------------- |
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// ----------------------------------------------------------------------------- |
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115 |
// |
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void CLandmarksCategoriesModel::SetItemIds(RArray<TPosLmItemId>* aItemIds) |
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{ |
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iItemIds = aItemIds; |
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119 |
|
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// Empty descriptor model |
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iListItems->Reset(); |
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} |
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123 |
|
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// ----------------------------------------------------------------------------- |
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125 |
// ----------------------------------------------------------------------------- |
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126 |
// |
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CDesCArraySeg* CLandmarksCategoriesModel::ItemList() |
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128 |
{ |
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return iListItems; |
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} |
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131 |
|
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// ----------------------------------------------------------------------------- |
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133 |
// ----------------------------------------------------------------------------- |
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134 |
// |
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void CLandmarksCategoriesModel::SetCurrentItem(TInt aIndex) |
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136 |
{ |
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iCurrentItem = aIndex; |
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} |
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139 |
|
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// ----------------------------------------------------------------------------- |
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141 |
// ----------------------------------------------------------------------------- |
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142 |
// |
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TPosLmItemId CLandmarksCategoriesModel::CurrentItemId() |
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144 |
{ |
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if (iCurrentItem < 0 || iCurrentItem > iItemIds->Count() - 1) |
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146 |
{ |
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return KPosLmNullItemId; |
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} |
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149 |
|
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return (*iItemIds)[iCurrentItem]; |
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} |
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152 |
|
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// ----------------------------------------------------------------------------- |
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154 |
// ----------------------------------------------------------------------------- |
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155 |
// |
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CIconList* CLandmarksCategoriesModel::CreateIconListL() |
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157 |
{ |
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CIconList* iconList = new (ELeave) CArrayPtrFlat<CGulIcon>(KGranularity); |
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CleanupStack::PushL(TCleanupItem(ResetAndDestroyIcons, iconList)); |
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160 |
|
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// Create the global category icon consisting of its image and mask. |
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TAknsItemID aknsItemId ={0,0}; |
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CGulIcon* icon = AknsUtils::CreateGulIconL(NULL, aknsItemId, |
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KLandmarksMbmFileName, |
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EMbmLmrefappCategory_global, |
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EMbmLmrefappCategory_global_mask); |
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CleanupStack::PushL(icon); |
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icon->SetBitmapsOwnedExternally(EFalse); |
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iconList->AppendL(icon); |
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CleanupStack::Pop(icon); |
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171 |
|
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// Create the user defined category icon consisting of its image and mask. |
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icon = AknsUtils::CreateGulIconL(NULL, aknsItemId, |
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KLandmarksMbmFileName, |
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EMbmLmrefappCategory_user, |
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EMbmLmrefappCategory_user_mask); |
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CleanupStack::PushL(icon); |
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icon->SetBitmapsOwnedExternally(EFalse); |
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iconList->AppendL(icon); |
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CleanupStack::Pop(icon); |
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181 |
|
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CleanupStack::Pop(); // iconList |
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183 |
|
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// initialze iIconList. We don't need to delete any possible previous |
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// iIconList since ownership is transferred to calling object. |
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iIconList = iconList; |
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187 |
|
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return iconList; |
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} |
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190 |
|
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// ----------------------------------------------------------------------------- |
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// Refreshes a part of the model. Those categories that have been read from the |
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// database overwrites old categories. The model is refreshed incrementally |
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// from top to bottom. |
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// (other items were commented in a header). |
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// ----------------------------------------------------------------------------- |
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// |
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void CLandmarksCategoriesModel::RepopulateModelL( |
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CArrayPtr<CPosLandmarkCategory>* aCategories) |
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200 |
{ |
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TInt nrOfReadItems = aCategories->Count(); |
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202 |
|
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// Format and insert the read categories |
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for (TInt i = 0; i < nrOfReadItems; i++) |
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205 |
{ |
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// Format name and icon |
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CPosLandmarkCategory* category = (*aCategories)[i]; |
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HBufC* formattedName = FormatListItemLC(*category); |
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209 |
|
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// Insert formatted descriptor into model |
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iListItems->AppendL(*formattedName); |
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212 |
|
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CleanupStack::PopAndDestroy(formattedName); |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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// Formats a list item to the following format "X\tcategoryName" |
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// where X = icon index |
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// (other items were commented in a header). |
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// ----------------------------------------------------------------------------- |
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// |
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HBufC* CLandmarksCategoriesModel::FormatListItemLC(CPosLandmarkCategory& aCategory) |
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{ |
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// Extract name |
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TPtrC name; |
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aCategory.GetCategoryName(name); |
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// 10 extra chars for icon index and column separator |
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const TInt KExtraChars = 10; |
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HBufC* formattedNameBuf = HBufC::NewLC(name.Length() + KExtraChars); |
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TPtr formattedNamePtr = formattedNameBuf->Des(); |
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|
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// Extract icon info |
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TPtrC mbmIconFile; |
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TInt iconIndex, maskIndex; |
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TInt res = aCategory.GetIcon(mbmIconFile, iconIndex, maskIndex); |
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|
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// Format list item |
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if (res == KErrNone) |
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{ |
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// Create icon and append it to icon array. |
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TRAPD(err, AppendIconL(mbmIconFile, iconIndex, maskIndex)); |
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if (err == KErrNone) |
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{ |
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// Append the array index where the icon is appended |
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formattedNamePtr.AppendNum(iIconList->Count() - 1); |
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} |
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else // Unable to create icon, use appropriate default icon. |
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{ |
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formattedNamePtr.AppendNum(DefaultIconIndex(aCategory)); |
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} |
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} |
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else // res == KErrNotFound |
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{ |
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formattedNamePtr.AppendNum(DefaultIconIndex(aCategory)); |
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} |
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formattedNamePtr.Append(KTab); |
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formattedNamePtr.Append(name); |
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|
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return formattedNameBuf; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// ----------------------------------------------------------------------------- |
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// |
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void CLandmarksCategoriesModel::AppendIconL( |
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const TDesC& aMbmFile, |
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TInt aIconOffset, |
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TInt aMaskOffset) |
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{ |
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TAknsItemID aknsItemId = {0,0}; |
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CGulIcon* icon = AknsUtils::CreateGulIconL(NULL, aknsItemId, |
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aMbmFile, |
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aIconOffset, |
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aMaskOffset); |
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CleanupStack::PushL(icon); |
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icon->SetBitmapsOwnedExternally(EFalse); |
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iIconList->AppendL(icon); |
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CleanupStack::Pop(icon); |
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} |
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|
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282 |