locationsystemui/locationsysui/locsysuiview/src/locsysuilbmodel.cpp
branchRCL_3
changeset 44 2b4ea9893b66
parent 42 02ba3f1733c6
child 45 6b6920c56e2f
equal deleted inserted replaced
42:02ba3f1733c6 44:2b4ea9893b66
     1 /*
       
     2 * Copyright (c) 2005-2006 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:  List box model
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // System Includes
       
    20 #include <e32keys.h>
       
    21 
       
    22 // User Include
       
    23 #include "locsysuilbmodel.h"
       
    24 #include "locationsettings.h"
       
    25 		  					   	  
       
    26 // Constants
       
    27 const TInt KMaxDescriptionText = 0x100;		  					   	  
       
    28 
       
    29 // ========================= MEMBER FUNCTIONS ================================
       
    30 
       
    31 // ---------------------------------------------------------------------------
       
    32 // CLocSysUiLBModel::CLocSysUiLBModel
       
    33 // Default Constructor
       
    34 //
       
    35 // ---------------------------------------------------------------------------
       
    36 //
       
    37 CLocSysUiLBModel::CLocSysUiLBModel( RPointerArray<CLocationSettings>& 
       
    38 														aSettingsArray )
       
    39     :iSettingsArray( aSettingsArray )														
       
    40 	{		
       
    41 	}
       
    42 
       
    43 // ---------------------------------------------------------------------------
       
    44 // CLocSysUiLBModel::~CLocSysUiLBModel
       
    45 // Destructor
       
    46 //
       
    47 // ---------------------------------------------------------------------------
       
    48 //
       
    49 CLocSysUiLBModel::~CLocSysUiLBModel()
       
    50 	{
       
    51 	delete iBuffer;
       
    52 	}
       
    53 	
       
    54 // ---------------------------------------------------------------------------
       
    55 // CLocSysUiLBModel* CLocSysUiLBModel::NewL
       
    56 // Two-phased constructor
       
    57 // 
       
    58 // @param aSettingsArray	Reference to the Settings UI array
       
    59 //@return CLocSysUiLBModel*	Reference to the object created
       
    60 //
       
    61 // ---------------------------------------------------------------------------
       
    62 //
       
    63 CLocSysUiLBModel* CLocSysUiLBModel::NewL(
       
    64 		 					RPointerArray<CLocationSettings>& aSettingsArray )
       
    65 	{
       
    66 	CLocSysUiLBModel* self = new(ELeave)CLocSysUiLBModel( aSettingsArray );
       
    67 	CleanupStack::PushL( self );
       
    68 	self->ConstructL();
       
    69 	CleanupStack::Pop( self );
       
    70 	return self;
       
    71 	}
       
    72 	
       
    73 // ---------------------------------------------------------------------------
       
    74 // void CLocSysUiLBModel::ConstructL
       
    75 // Second Phase of the two phase constructor.
       
    76 // 
       
    77 // ---------------------------------------------------------------------------
       
    78 //
       
    79 void CLocSysUiLBModel::ConstructL()
       
    80 	{
       
    81 	// Allocate the conversion buffer. The maximum length of the conversion buffer
       
    82 	// is limited to 256 characters												  
       
    83 	iBuffer = HBufC::NewL( KMaxDescriptionText ); 
       
    84 	
       
    85 	}
       
    86 
       
    87 // ---------------------------------------------------------------------------
       
    88 // CLocationSettings* CLocSysUiLBModel::SettingsUi
       
    89 // Returns the Settings UI corresponding to a particular Index value.
       
    90 // The index value starts from 0
       
    91 //
       
    92 // @param	aIndex			   Index of the Settings Ui which is requested
       
    93 // @return	CLocationSettings& Referrence to the Settings UI corresponding
       
    94 //							   to the index.
       
    95 // ---------------------------------------------------------------------------
       
    96 //	
       
    97 CLocationSettings& CLocSysUiLBModel::SettingsUiL( TInt	aIndex )
       
    98 	{
       
    99 	if( aIndex < 0 || aIndex >= iSettingsArray.Count())
       
   100 		{
       
   101 		User::Leave( KErrNotFound );
       
   102 		}
       
   103 	return *iSettingsArray[ aIndex ];
       
   104 	}
       
   105 	
       
   106 // ---------------------------------------------------------------------------
       
   107 // void CLocationSettings::UpdateListBoxContentsL
       
   108 // Updates the List box contents
       
   109 //
       
   110 // @param aSettingsArray	Reference to the Settings UI array
       
   111 // ---------------------------------------------------------------------------
       
   112 //
       
   113 void CLocSysUiLBModel::UpdateListBoxContentsL( 
       
   114                 RPointerArray<CLocationSettings>& aSettingsArray )
       
   115 	{
       
   116     iSettingsArray= aSettingsArray;
       
   117 	}
       
   118 
       
   119 // ---------------------------------------------------------------------------
       
   120 // TInt CLocSysUiLBModel::MdcaCount() const
       
   121 // Inherited from MDesCArray. Returns the total number of items in the 
       
   122 // Settings description array
       
   123 //
       
   124 // @return TInt The total number of elements in the Settings Description array
       
   125 // ---------------------------------------------------------------------------
       
   126 //
       
   127 TInt CLocSysUiLBModel::MdcaCount() const
       
   128 	{
       
   129 	return iSettingsArray.Count();
       
   130 	}
       
   131 
       
   132 // ---------------------------------------------------------------------------
       
   133 // TPtrC16 CLocSysUiLBModel::MdcaPoint() const
       
   134 // Inherited from MDesCArray. Returns the list box entry corresponding to the 
       
   135 // index value
       
   136 //
       
   137 // @param  aIndex The index whose list box entry needs to be retrieved
       
   138 // @return TPtr16 The list box description 
       
   139 // ---------------------------------------------------------------------------
       
   140 //
       
   141 TPtrC16 CLocSysUiLBModel::MdcaPoint( TInt aIndex ) const
       
   142 	{
       
   143 	// Zero the internal buffer
       
   144 	TPtr ptr( iBuffer->Des());
       
   145     ptr.Zero();
       
   146     
       
   147     // Format "\t%S\t%d\t\t\t%S"
       
   148     
       
   149     // Append the first tab
       
   150     ptr.Append( EKeyTab );
       
   151     
       
   152     // If the index is within the range append the caption string
       
   153     if ( aIndex >= 0 && aIndex < iSettingsArray.Count())
       
   154     	{
       
   155     	CLocationSettings* settingsItem = iSettingsArray[ aIndex ];
       
   156    		TPtrC caption = settingsItem->Caption();
       
   157    		ptr.Append( caption );
       
   158     	}
       
   159     
       
   160     // Append the second tab
       
   161     ptr.Append( EKeyTab );
       
   162     
       
   163     // Append the third tab
       
   164     ptr.Append( EKeyTab );
       
   165     
       
   166     // Append the fourth tab
       
   167     ptr.Append( EKeyTab );
       
   168     
       
   169     // Append the fifth tab
       
   170     ptr.Append( EKeyTab );
       
   171     
       
   172     return ptr;	
       
   173 	}
       
   174