ext/ResizableLib/ResizableSheetState.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 //
   3 // This file is part of ResizableLib
   4 // http://sourceforge.net/projects/resizablelib
   5 //
   6 // Copyright (C) 2000-2004 by Paolo Messina
   7 // http://www.geocities.com/ppescher - mailto:ppescher@hotmail.com
   8 //
   9 // The contents of this file are subject to the Artistic License (the "License").
  10 // You may not use this file except in compliance with the License.
  11 // You may obtain a copy of the License at:
  12 // http://www.opensource.org/licenses/artistic-license.html
  13 //
  14 // If you find this code useful, credits would be nice!
  15 //
  16 /////////////////////////////////////////////////////////////////////////////
  17
  18 /*!
  19  *  @file
  20  *  @brief Implementation of the CResizableSheetState class.
  21  */
  22
  23 #include "stdafx.h"
  24 #include "ResizableSheetState.h"
  25
  26 //////////////////////////////////////////////////////////////////////
  27 // Construction/Destruction
  28 //////////////////////////////////////////////////////////////////////
  29
  30 CResizableSheetState::CResizableSheetState()
  31 {
  32
  33 }
  34
  35 CResizableSheetState::~CResizableSheetState()
  36 {
  37
  38 }
  39
  40 // used to save/restore active page
  41 // either in the registry or a private .INI file
  42 // depending on your application settings
  43
  44 #define ACTIVEPAGE_ENT  _T("ActivePage")
  45
  46 /*!
  47  *  This function saves the current property sheet active page using the base
  48  *  class persist method.
  49  *  @sa CResizableState::WriteState
  50  *
  51  *  @param pszName String that identifies stored settings
  52  *
  53  *  @return Returns @a TRUE if successful, @a FALSE otherwise
  54  */
  55 BOOL CResizableSheetState::SavePage(LPCTSTR pszName)
  56 {
  57         // saves active page index, or the initial page if problems
  58         // cannot use GetActivePage, because it always fails
  59
  60         CPropertySheet* pSheet = DYNAMIC_DOWNCAST(CPropertySheet, GetResizableWnd());
  61         if (pSheet == NULL)
  62                 return FALSE;
  63
  64         int page = pSheet->m_psh.nStartPage;
  65         CTabCtrl *pTab = pSheet->GetTabControl();
  66         if (pTab != NULL)
  67                 page = pTab->GetCurSel();
  68         if (page < 0)
  69                 page = pSheet->m_psh.nStartPage;
  70
  71         CString data, id;
  72         _itot(page, data.GetBuffer(10), 10);
  73         id = CString(pszName) + ACTIVEPAGE_ENT;
  74         return WriteState(id, data);
  75 }
  76
  77 /*!
  78  *  This function loads the active page using the base class persist method.
  79  *  @sa CResizableState::ReadState
  80  *
  81  *  @param pszName String that identifies stored settings
  82  *
  83  *  @return Returns @a TRUE if successful, @a FALSE otherwise
  84  */
  85 BOOL CResizableSheetState::LoadPage(LPCTSTR pszName)
  86 {
  87         // restore active page, zero (the first) if not found
  88
  89         CString data, id;
  90         id = CString(pszName) + ACTIVEPAGE_ENT;
  91         if (!ReadState(id, data))
  92                 return FALSE;
  93
  94         int page = _ttoi(data);
  95         CPropertySheet* pSheet = DYNAMIC_DOWNCAST(CPropertySheet, GetResizableWnd());
  96         if (pSheet != NULL)
  97                 return pSheet->SetActivePage(page);
  98         return FALSE;
  99 }