landmarksui/uicontrols/src/TLmkDeletionHelper.cpp
branchRCL_3
changeset 18 870918037e16
parent 0 522cd55cc3d7
equal deleted inserted replaced
17:1fc85118c3ae 18:870918037e16
       
     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 "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:    LandmarksUi Content File -
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 
       
    22 
       
    23 
       
    24 
       
    25 
       
    26 // INCLUDE FILES
       
    27 #include "TLmkDeletionHelper.h"
       
    28 #include <eiklbx.h>
       
    29 #include <aknlists.h>
       
    30 #include <lmkerrors.h>
       
    31 
       
    32 
       
    33 #if defined(_DEBUG)
       
    34 
       
    35 // CONSTANTS
       
    36 /// Unnamed namespace for local definitions
       
    37 namespace {
       
    38 _LIT( KPanicMsg, "TLmkDeletionHelper" );
       
    39 
       
    40 void Panic( TPanicCode aReason )
       
    41     {
       
    42     User::Panic( KPanicMsg, aReason );
       
    43     }
       
    44 }  // namespace
       
    45 #endif
       
    46 
       
    47 
       
    48 // ============================ MEMBER FUNCTIONS ===============================
       
    49 
       
    50 // -----------------------------------------------------------------------------
       
    51 // TLmkDeletionHelper::TLmkDeletionHelper
       
    52 // C++ default constructor can NOT contain any code, that
       
    53 // might leave.
       
    54 // -----------------------------------------------------------------------------
       
    55 //
       
    56 TLmkDeletionHelper::TLmkDeletionHelper()
       
    57     : iUserRequestedDelete( EFalse ),
       
    58       iCurrentItemIndexBeforeRemoval( -1 ),
       
    59       iCurrentItemWasRemoved( EFalse ),
       
    60       iIndexesToRemovedItems( NULL ),
       
    61       iListBox( NULL )
       
    62     {
       
    63     }
       
    64 
       
    65 // ----------------------------------------------------
       
    66 // TLmkDeletionHelper::~TLmkDeletionHelper
       
    67 // ----------------------------------------------------
       
    68 //
       
    69 TLmkDeletionHelper::~TLmkDeletionHelper()
       
    70     {
       
    71     }
       
    72 
       
    73 // -----------------------------------------------------------------------------
       
    74 // TLmkDeletionHelper::StoreListInformation
       
    75 // -----------------------------------------------------------------------------
       
    76 //
       
    77 void TLmkDeletionHelper::StoreListInformation(
       
    78     CEikListBox& aListBox,
       
    79     TBool aMultipleItems )
       
    80     {
       
    81     iListBox = &aListBox;
       
    82     iUserRequestedDelete = ETrue;
       
    83     /*
       
    84     * After deletion, the focus must go to the first item,
       
    85     * commenting re-assigning the iCurrentItemIndexBeforeRemoval
       
    86     * with zero.
       
    87     */
       
    88 	iCurrentItemIndexBeforeRemoval = iListBox->CurrentItemIndex();
       
    89 	//iCurrentItemIndexBeforeRemoval = KTopListIndex;
       
    90     if ( aMultipleItems )
       
    91         {
       
    92         iIndexesToRemovedItems = iListBox->SelectionIndexes();
       
    93         // This parameter is not important in this case:
       
    94         iCurrentItemWasRemoved = EFalse;
       
    95         }
       
    96     else
       
    97         {
       
    98         iCurrentItemWasRemoved = ETrue;
       
    99         // This parameter is not important in this case:
       
   100         iIndexesToRemovedItems = NULL;
       
   101         }
       
   102     }
       
   103 
       
   104 // -----------------------------------------------------------------------------
       
   105 // TLmkDeletionHelper::UpdateListIfDeleteHappenedL
       
   106 // -----------------------------------------------------------------------------
       
   107 //
       
   108 TBool TLmkDeletionHelper::UpdateListIfDeleteHappenedL()
       
   109     {
       
   110     // Avkon's utility seems to work nicely even if operation was cancelled
       
   111     // and some items were not deleted.
       
   112 
       
   113     if ( iUserRequestedDelete )
       
   114         {
       
   115         if( iIndexesToRemovedItems )
       
   116             {
       
   117             // We need to make a copy of the index array since AknListBoxUtils
       
   118             // requires a non-const parameter:
       
   119             TInt count = iIndexesToRemovedItems->Count();
       
   120             // If index array exists it always contains some items:
       
   121             __ASSERT_DEBUG( count > 0, Panic( KLmkPanicDeletionInfo ) );
       
   122             CArrayFix<TInt>* removedItems =
       
   123                 new( ELeave ) CArrayFixFlat<TInt>( count );
       
   124             CleanupStack::PushL( removedItems );
       
   125             for ( TInt i( 0 ); i < count; ++i )
       
   126                 {
       
   127                 removedItems->AppendL( iIndexesToRemovedItems->At( i ) );
       
   128                 }
       
   129 
       
   130             AknListBoxUtils::HandleItemRemovalAndPositionHighlightL(
       
   131                                                 iListBox,
       
   132                                                 iCurrentItemIndexBeforeRemoval,
       
   133                                                 *removedItems );
       
   134             CleanupStack::PopAndDestroy( removedItems );
       
   135             }
       
   136         else
       
   137             {
       
   138             AknListBoxUtils::HandleItemRemovalAndPositionHighlightL(
       
   139                                                 iListBox,
       
   140                                                 iCurrentItemIndexBeforeRemoval,
       
   141                                                 iCurrentItemWasRemoved );
       
   142             }
       
   143         // List update now done, set indicator to EFalse:
       
   144         iUserRequestedDelete = EFalse;
       
   145         return ETrue;
       
   146         }
       
   147     else
       
   148         { // Delete hasn't been performed by the user,
       
   149           // i.e. StoreListInformation() hasn't been called
       
   150         return EFalse;
       
   151         }
       
   152     }
       
   153 
       
   154 //  End of File