textinput/peninputcommonctrls/src/peninputdropdownlist/peninputpages.cpp
changeset 40 2cb9bae34d17
parent 31 f1bdd6b078d1
child 49 37f5d84451bd
equal deleted inserted replaced
31:f1bdd6b078d1 40:2cb9bae34d17
     1 /*
       
     2 * Copyright (c) 2002-2005 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:  page manager,which is used by drop down list
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include "peninputpages.h"
       
    20 
       
    21 // ======== MEMBER FUNCTIONS ========
       
    22 
       
    23 // Implementation of Class CPages 
       
    24 
       
    25 // -----------------------------------------------------------------------------
       
    26 // CPages::NewL
       
    27 // factory function
       
    28 // (other items were commented in a header).
       
    29 // -----------------------------------------------------------------------------
       
    30 //
       
    31 CPages* CPages::NewL()
       
    32     {
       
    33     CPages* self = new (ELeave) CPages();
       
    34     CleanupStack::PushL( self );
       
    35     self->ConstructL();
       
    36     CleanupStack::Pop();
       
    37     return self;
       
    38     }
       
    39 
       
    40 // -----------------------------------------------------------------------------
       
    41 // CPages::~CPages
       
    42 // factory function
       
    43 // (other items were commented in a header).
       
    44 // -----------------------------------------------------------------------------
       
    45 //
       
    46 CPages::~CPages()    
       
    47     {
       
    48     iFirstIndexList.Close();
       
    49     iLastIndexList.Close();
       
    50     }
       
    51         
       
    52 // -----------------------------------------------------------------------------
       
    53 // CPages::NewL
       
    54 // 2nd construct function
       
    55 // (other items were commented in a header).
       
    56 // -----------------------------------------------------------------------------
       
    57 //
       
    58 void CPages::ConstructL()
       
    59     {
       
    60     Reset();
       
    61     }
       
    62 
       
    63 // -----------------------------------------------------------------------------
       
    64 // CPages::Reset
       
    65 // reset page in the page list
       
    66 // (other items were commented in a header).
       
    67 // -----------------------------------------------------------------------------
       
    68 //
       
    69 void CPages::Reset()
       
    70     {
       
    71     iFirstIndexList.Reset();
       
    72     iLastIndexList.Reset();
       
    73     }
       
    74 
       
    75 // -----------------------------------------------------------------------------
       
    76 // CPages::PageCount
       
    77 // get page count
       
    78 // (other items were commented in a header).
       
    79 // -----------------------------------------------------------------------------
       
    80 //
       
    81 TInt CPages::PageCount() const
       
    82     {
       
    83     return iLastIndexList.Count(); 
       
    84     }
       
    85        
       
    86 // -----------------------------------------------------------------------------
       
    87 // CPages::AddPage
       
    88 // add one page into the page list
       
    89 // (other items were commented in a header).
       
    90 // -----------------------------------------------------------------------------
       
    91 //
       
    92 void CPages::AddPage(const TInt aFirstIndex, const TInt aLastIndex)
       
    93     {
       
    94     if ( aFirstIndex == aLastIndex )  
       
    95         {
       
    96         return;
       
    97         }        
       
    98     
       
    99     const TInt index = iLastIndexList.Find(aLastIndex);
       
   100     
       
   101     if ( index == KErrNotFound)
       
   102         {
       
   103         iLastIndexList.Append(aLastIndex);  
       
   104         iFirstIndexList.Append(aFirstIndex);  
       
   105         }     
       
   106     }
       
   107     
       
   108 // -----------------------------------------------------------------------------
       
   109 // CPages::GetPreviousIndex
       
   110 // get the previous page
       
   111 // (other items were commented in a header).
       
   112 // -----------------------------------------------------------------------------
       
   113 //
       
   114 TBool CPages::GetPreviousIndex(const TInt aLastIndex, 
       
   115                                TInt& aFirstIndexOfPrevious, 
       
   116                                TInt& aLastIndexOfPrevious) const
       
   117     {
       
   118     const TInt index = iLastIndexList.Find( aLastIndex );
       
   119     
       
   120     if ( index != KErrNotFound ) // If found it
       
   121         {         
       
   122         if ( index > 0 ) // If not the first page
       
   123             {
       
   124             aFirstIndexOfPrevious = iFirstIndexList[index-1];
       
   125             aLastIndexOfPrevious = iLastIndexList[index-1];
       
   126             }
       
   127         else // If is the first page
       
   128             {
       
   129             aFirstIndexOfPrevious = iFirstIndexList[0];
       
   130             aLastIndexOfPrevious = iLastIndexList[0];                        
       
   131             }
       
   132         return ETrue;         
       
   133         }
       
   134     else
       
   135         {
       
   136         return EFalse;
       
   137         }        
       
   138     }
       
   139         
       
   140 // -----------------------------------------------------------------------------
       
   141 // CPages::GetPageIndexByPos
       
   142 // get the page of assigned position
       
   143 // (other items were commented in a header).
       
   144 // -----------------------------------------------------------------------------
       
   145 //
       
   146 TBool CPages::GetPageIndexByPos(const TInt aPos, 
       
   147                                 TInt& aFirstIndex, 
       
   148                                 TInt& aLastIndex) const
       
   149     {
       
   150     if ( ( aPos < 0 ) || ( aPos >= iLastIndexList.Count() ) )
       
   151         {
       
   152         return EFalse;        
       
   153         }
       
   154 
       
   155     aLastIndex = iLastIndexList[aPos];    
       
   156     aFirstIndex = iFirstIndexList[aPos];
       
   157     
       
   158     return ETrue;
       
   159     }
       
   160 
       
   161 // End Of File