A Realtime Logfile Viewer

/*
 *	$Header :$
 *
 *	$History: LoadLogFilesDlg.cpp $
 * 
 * *****************  Version 2  *****************
 * User: Administrator Date: 12/02/03   Time: 9:20p
 * Updated in $/logger/logviewer
 * Added pretty icons, version resource, tooltip support, fixed various
 * bugs in continuation record support.
 * 
 * *****************  Version 1  *****************
 * User: Administrator Date: 11/25/03   Time: 5:20p
 * Created in $/logger/logviewer
 */
#include "stdafx.h"
#include "logviewer.h"
#include "LoadLogFilesDlg.h"
#include "..\common\constants.h"

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

/////////////////////////////////////////////////////////////////////////////
// CLoadLogFilesDlg
IMPLEMENT_DYNAMIC(CLoadLogFilesDlg, CFileDialog)

CLoadLogFilesDlg::CLoadLogFilesDlg(BOOL bOpenFileDialog, LPCTSTR lpszDefExt, LPCTSTR lpszFileName, DWORD dwFlags, LPCTSTR lpszFilter, CWnd* pParentWnd) : CFileDialog(bOpenFileDialog, lpszDefExt, lpszFileName, dwFlags, lpszFilter, pParentWnd)
{
	m_ofn.lStructSize = sizeof(OPENFILENAME);
	m_ofn.Flags |= OFN_ENABLETEMPLATE | OFN_ALLOWMULTISELECT;
	m_ofn.hInstance = AfxGetInstanceHandle();
	m_ofn.lpTemplateName = MAKEINTRESOURCE(IDD_LOADLOGS);

	m_ofn.lpstrFile = new TCHAR[10000];
	m_ofn.nMaxFile = 10000;
	memset(m_ofn.lpstrFile, 0, 10000);
    m_retCode = IDCANCEL;
}

CLoadLogFilesDlg::~CLoadLogFilesDlg()
{
	delete m_ofn.lpstrFile;
}

void CLoadLogFilesDlg::DoDataExchange(CDataExchange* pDX)
{
	CFileDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

int CLoadLogFilesDlg::DoModal()
{
    int		retCode = CFileDialog::DoModal();
	CString csTemp;
    
    if (retCode == IDOK)
    {
        POSITION pos = GetStartPosition();

        while (pos != POSITION(NULL))
            m_saFileList.Add(GetNextPathName(pos));
    }

    return m_saFileList.GetSize() ? IDOK : IDCANCEL;
}

void CLoadLogFilesDlg::CreateFileList(BOOL bFiltered)
{
	CString csPattern;

	csPattern.Format(_T("%s\\*.log"), m_ofn.lpstrInitialDir);

	CFileFind ff;
	BOOL	  bWorking = ff.FindFile(csPattern);

	while (bWorking)
	{
		bWorking = ff.FindNextFile();

        if (bFiltered)
        {
            //  If we're filtering it means we want only todays files.
            //  So we get the second field in the filename delimited by
            //  a dot and check if it's log.  If so it's todays file
			if (!IsAged(ff.GetFilePath()))
		        m_saFileList.Add(ff.GetFilePath());
        }
        else
            m_saFileList.Add(ff.GetFilePath());
	}

    m_retCode = IDOK;
    GetParent()->PostMessage(WM_COMMAND, IDCANCEL);
}

BOOL CLoadLogFilesDlg::IsAged(LPCTSTR szFilePath)
{
	ASSERT(szFilePath);
	ASSERT(AfxIsValidString(szFilePath));

	CString csTemp = szFilePath;
	TCHAR	*tszTemp;

	_tcstok(LPTSTR(LPCTSTR(csTemp)), _T("."));
	tszTemp = _tcstok(NULL, _T("."));

    if (tszTemp != (TCHAR *) NULL && _tcsicmp(tszTemp, _T("log")) == 0)
		return FALSE;

	return TRUE;
}

BEGIN_MESSAGE_MAP(CLoadLogFilesDlg, CFileDialog)
	//{{AFX_MSG_MAP(CLoadLogFilesDlg)
	ON_COMMAND(IDC_LOADALL, OnLoadAll)
	ON_COMMAND(IDC_LOADTODAY, OnLoadToday)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

void CLoadLogFilesDlg::OnLoadAll()
{
    CreateFileList(FALSE);
}

void CLoadLogFilesDlg::OnLoadToday()
{
    CreateFileList(TRUE);
}