textinput/peninputcommonctrls/src/peninputdropdownlist/peninputpages.cpp
branchRCL_3
changeset 21 ecbabf52600f
parent 0 eb1f2e154e89
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/textinput/peninputcommonctrls/src/peninputdropdownlist/peninputpages.cpp	Wed Sep 01 12:23:33 2010 +0100
@@ -0,0 +1,161 @@
+/*
+* Copyright (c) 2002-2005 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:  page manager,which is used by drop down list
+*
+*/
+
+
+#include "peninputpages.h"
+
+// ======== MEMBER FUNCTIONS ========
+
+// Implementation of Class CPages 
+
+// -----------------------------------------------------------------------------
+// CPages::NewL
+// factory function
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+CPages* CPages::NewL()
+    {
+    CPages* self = new (ELeave) CPages();
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop();
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CPages::~CPages
+// factory function
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+CPages::~CPages()    
+    {
+    iFirstIndexList.Close();
+    iLastIndexList.Close();
+    }
+        
+// -----------------------------------------------------------------------------
+// CPages::NewL
+// 2nd construct function
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CPages::ConstructL()
+    {
+    Reset();
+    }
+
+// -----------------------------------------------------------------------------
+// CPages::Reset
+// reset page in the page list
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CPages::Reset()
+    {
+    iFirstIndexList.Reset();
+    iLastIndexList.Reset();
+    }
+
+// -----------------------------------------------------------------------------
+// CPages::PageCount
+// get page count
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt CPages::PageCount() const
+    {
+    return iLastIndexList.Count(); 
+    }
+       
+// -----------------------------------------------------------------------------
+// CPages::AddPage
+// add one page into the page list
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CPages::AddPage(const TInt aFirstIndex, const TInt aLastIndex)
+    {
+    if ( aFirstIndex == aLastIndex )  
+        {
+        return;
+        }        
+    
+    const TInt index = iLastIndexList.Find(aLastIndex);
+    
+    if ( index == KErrNotFound)
+        {
+        iLastIndexList.Append(aLastIndex);  
+        iFirstIndexList.Append(aFirstIndex);  
+        }     
+    }
+    
+// -----------------------------------------------------------------------------
+// CPages::GetPreviousIndex
+// get the previous page
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TBool CPages::GetPreviousIndex(const TInt aLastIndex, 
+                               TInt& aFirstIndexOfPrevious, 
+                               TInt& aLastIndexOfPrevious) const
+    {
+    const TInt index = iLastIndexList.Find( aLastIndex );
+    
+    if ( index != KErrNotFound ) // If found it
+        {         
+        if ( index > 0 ) // If not the first page
+            {
+            aFirstIndexOfPrevious = iFirstIndexList[index-1];
+            aLastIndexOfPrevious = iLastIndexList[index-1];
+            }
+        else // If is the first page
+            {
+            aFirstIndexOfPrevious = iFirstIndexList[0];
+            aLastIndexOfPrevious = iLastIndexList[0];                        
+            }
+        return ETrue;         
+        }
+    else
+        {
+        return EFalse;
+        }        
+    }
+        
+// -----------------------------------------------------------------------------
+// CPages::GetPageIndexByPos
+// get the page of assigned position
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TBool CPages::GetPageIndexByPos(const TInt aPos, 
+                                TInt& aFirstIndex, 
+                                TInt& aLastIndex) const
+    {
+    if ( ( aPos < 0 ) || ( aPos >= iLastIndexList.Count() ) )
+        {
+        return EFalse;        
+        }
+
+    aLastIndex = iLastIndexList[aPos];    
+    aFirstIndex = iFirstIndexList[aPos];
+    
+    return ETrue;
+    }
+
+// End Of File