filecipherdlg.cpp

一个用3DES加密文件的小测试程序！

// FileCipherDlg.cpp : implementation file
//

#include "stdafx.h"
#include "FileCipher.h"
#include "FileCipherDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

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

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFileCipherDlg dialog

CFileCipherDlg::CFileCipherDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CFileCipherDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CFileCipherDlg)
		// NOTE: the ClassWizard will add member initialization here
	pAgent=NULL;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CFileCipherDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CFileCipherDlg)
	DDX_Control(pDX, IDC_PROGRESS1, m_ProCtrl);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CFileCipherDlg, CDialog)
	//{{AFX_MSG_MAP(CFileCipherDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_COMM_EN, OnCommEn)
	ON_BN_CLICKED(IDC_COMM_DE, OnCommDe)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFileCipherDlg message handlers

BOOL CFileCipherDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	pAgent=new CFileCipherAgent();
	
	InitPara();
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CFileCipherDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CFileCipherDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CFileCipherDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CFileCipherDlg::OnCommEn() 
{   g_zOptions.bIsEncrpty=true;
	g_bIsEncrpty=true;
     CSelectFileDlg dlg;
	  
	 if(dlg.DoModal()==IDCANCEL)
		 return;

	 pAgent->SetFormat();
	
	 pAgent->PrepareFile(g_strInputFile,g_strOutFile);
	 pAgent->EnFile();
}

void CFileCipherDlg::OnCommDe() 
{	g_zOptions.bIsEncrpty=false; 
	g_bIsEncrpty=false;
	  CSelectFileDlg dlg;
	 if(dlg.DoModal()==IDCANCEL)
		 return;
	 pAgent->SetFormat();
	
	 pAgent->PrepareFile(g_strInputFile,g_strOutFile);
	 pAgent->DenFile();
}

void CFileCipherDlg::OnCancel() 
{
	pAgent->Close();
	delete pAgent;
	pAgent=NULL;
		
	CDialog::OnCancel();
}

void CFileCipherDlg::InitPara()
{
 g_hProcWnd=this->GetSafeHwnd();
 
 
 g_zOptions.bIsProcEachBlock=TRUE;
 g_zOptions.fProcPercent=10;
 g_zOptions.zFunType=CIPHER_TYPE_SIMPLE;
 sprintf((char *)g_zOptions.key,"%s",KEY_STRING_DEFAULT);

 m_ProCtrl.SetRange(0,100);
 m_ProCtrl.SetPos(0);
}

void CFileCipherDlg::Reset()
{
 m_ProCtrl.SetRange(0,100);
 m_ProCtrl.SetPos(10);
}

LRESULT CFileCipherDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam) 
{
    switch(message){
	case  MSG_SEND_PROGRESS:
		UpdateInfo(int(lParam));
		break;
	default:
		break;
		
    }
	
	return CDialog::WindowProc(message, wParam, lParam);
}

void CFileCipherDlg::UpdateInfo(int npos)
{   sprintf(g_strTaskString,"FileCipher  %d %%",npos);
	SetWindowText(g_strTaskString);
 	
	SetDlgItemText(IDC_MESSAGESTR,g_strProcMess);
	if(npos<=100&&npos>0)
		m_ProCtrl.SetPos(npos);
}