// Options.cpp : implementation file
//

#include "stdafx.h"
#include "TwnConfig.h"
#include "Options.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// COptions dialog

COptions::COptions(HTWAINSESSION hSession,
                   CString       csFileName,
                   L_INT         nBPP,
                   L_INT         nBuffIter,
                   L_BOOL        bUseThreadMode,
                   L_BOOL        bCheckAllBPP,
                   CWnd        * pParent /*= NULL*/)
   : CDialog(COptions::IDD, pParent)
{
   //{{AFX_DATA_INIT(COptions)
   m_csFileName = csFileName;
   m_nBuffIter = nBuffIter;
   m_bUseAllBPP = bCheckAllBPP;
   m_bUseThreadMode = bUseThreadMode;
   //}}AFX_DATA_INIT

   m_hSession = hSession;
   m_csDatFileNum = _T("");
   m_csDatFile = _T("");
   m_nBPP = nBPP;
}

void COptions::DoDataExchange(CDataExchange* pDX)
{
   CDialog::DoDataExchange(pDX);
   //{{AFX_DATA_MAP(COptions)
   DDX_Control(pDX, IDC_CMB_BPP, m_cmbBPP);
   DDX_Control(pDX, IDC_EDIT_BUFFER_ITER, m_edtBufferIter);
   DDX_Control(pDX, IDC_CHK_USE_ALL_DEFAULT_BPP, m_chkUseAllBPP);
   DDX_Control(pDX, IDOK, m_btnOK);
   DDX_Control(pDX, IDC_EDIT_FILE_NAME, m_edtFileName);
   DDX_Text(pDX, IDC_EDIT_FILE_NAME, m_csFileName);
   DDX_Text(pDX, IDC_EDIT_BUFFER_ITER, m_nBuffIter);
   DDX_Check(pDX, IDC_CHK_USE_ALL_DEFAULT_BPP, m_bUseAllBPP);
   DDX_Check(pDX, IDC_CHK_USE_THREAD_MODE, m_bUseThreadMode);
   //}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(COptions, CDialog)
   //{{AFX_MSG_MAP(COptions)
   ON_BN_CLICKED(IDC_BTN_BROWSE, OnBtnBrowse)
   ON_EN_CHANGE(IDC_EDIT_FILE_NAME, OnChangeEditFileName)
   ON_BN_CLICKED(IDC_BTN_SELECT_SOURCE, OnBtnSelectSource)
   ON_BN_CLICKED(IDC_CHK_USE_ALL_DEFAULT_BPP, OnChkUseAllDefaultBPP)
   ON_EN_CHANGE(IDC_EDIT_BUFFER_ITER, OnChangeEditBufferIter)
   //}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// COptions message handlers

void COptions::OnBtnBrowse() 
{
   CFileDialog FileDlg(FALSE, _T("LOG"), NULL,
                       OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,
                       _T("Log Files (*.log)|*.log|"));

   if (FileDlg.DoModal() == IDOK)
   {
      m_edtFileName.SetWindowText(FileDlg.GetPathName());
      SetFileNames(FileDlg.GetPathName());
   }
}

L_BOOL COptions::SetFileNames(CString csLogFile)
{
   TCHAR szDrive[_MAX_DRIVE];
   TCHAR szDir[_MAX_DIR];
   TCHAR szTitle[_MAX_FNAME];

   memset(szDrive, 0, sizeof(szDrive));
   memset(szDir, 0, sizeof(szDir));
   memset(szTitle, 0, sizeof(szTitle));

   _tsplitpath(csLogFile, szDrive, szDir, szTitle, NULL);

   // Set Working Path...
   LPTSTR szBuffer = m_csFilePath.GetBuffer(MAX_PATH);
   _tmakepath(szBuffer, szDrive, szDir, NULL, NULL);
   m_csFilePath.ReleaseBuffer();

   if (DEMOACCESS (m_csFilePath, 0) == -1)
      return FALSE;

   // Set DAT File Name...
   m_csDatFile.Empty();
   szBuffer = m_csDatFile.GetBuffer(MAX_PATH);
   _tmakepath(szBuffer, szDrive, szDir, szTitle, _T("DAT"));
   m_csDatFile.ReleaseBuffer();

   // Set Dat Count File Name...
   m_csDatFileNum.Empty();
   szBuffer = m_csDatFileNum.GetBuffer(MAX_PATH);
   _tmakepath(szBuffer, szDrive, szDir, szTitle, _T("DATC"));
   m_csDatFileNum.ReleaseBuffer();
   return TRUE;
}

void COptions::CheckOkButton()
{
   CString csFName, csBufferIter;

   m_edtFileName.GetWindowText(csFName);
   m_edtBufferIter.GetWindowText(csBufferIter);

   m_btnOK.EnableWindow(!csFName.IsEmpty() && !csBufferIter.IsEmpty());
}

void COptions::OnChangeEditFileName() 
{
   CheckOkButton();
}

void COptions::OnOK() 
{
   CString csFName; 
   m_edtFileName.GetWindowText(csFName);
   if (!SetFileNames(csFName))
   {
      AfxMessageBox(_T("Invalid File Path, please re-enter a valid path"));
      return;
   }

   UpdateData(TRUE);
   if (m_nBuffIter <= 0  || m_nBuffIter > 10)
   {
      AfxMessageBox(_T("Please, enter valid value in the Buffer Iteration box!!!\nThis value is in range 1..10\n"));
      return;
   }

   m_nBPP = m_cmbBPP.GetItemData(m_cmbBPP.GetCurSel());
   CDialog::OnOK();
}

BOOL COptions::OnInitDialog() 
{
   CDialog::OnInitDialog();
   OnChangeEditFileName();
   OnChkUseAllDefaultBPP();

   CTwainConfigApp * pTheApp = (CTwainConfigApp *)AfxGetApp();
   if (pTheApp->GetScannerBPP())
      FillBPP();

   return TRUE;  // return TRUE unless you set the focus to a control
                 // EXCEPTION: OCX Property Pages should return FALSE
}

void COptions::OnBtnSelectSource() 
{
   L_INT nRet = L_TwainSelectSource(m_hSession, NULL);
   if (nRet != SUCCESS && nRet != ERROR_TWAIN_CANCELED)
   {
      AfxMessageBox(_T("Error during select Twain source..."));
      return;
   }

   CTwainConfigApp * pTheApp = (CTwainConfigApp *)AfxGetApp();
   if (pTheApp->GetScannerBPP())
      FillBPP();
}

void COptions::OnChkUseAllDefaultBPP() 
{
   m_cmbBPP.EnableWindow(m_chkUseAllBPP.GetCheck() != TRUE);
}

void COptions::OnChangeEditBufferIter() 
{
   CheckOkButton();
}

void COptions::FillBPP()
{
   CString csText;
   CTwainConfigApp * pTheApp = (CTwainConfigApp *)AfxGetApp();

   m_cmbBPP.ResetContent();
   for(int i=0; i<pTheApp->m_nAllBPPCount; i++)
   {
      csText.Format(_T("%d"), pTheApp->m_pnBPP[i]);
      m_cmbBPP.AddString(csText);
      csText.Empty();

      m_cmbBPP.SetItemData(i, pTheApp->m_pnBPP[i]);
   }

   int nCurSel = 0;

   for(i=0; i<pTheApp->m_nAllBPPCount; i++)
   {
      if (pTheApp->m_pnBPP[i] == m_nBPP)
         nCurSel = i;
   }

   m_cmbBPP.SetCurSel(nCurSel);
}