chapter2_2dlg.cpp

WinCE开发技巧与实例的配套源码（chapter2）

// chapter2_2Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "chapter2_2.h"
#include "chapter2_2Dlg.h"
#include "STPasswordManager.h"

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

/////////////////////////////////////////////////////////////////////////////
// CChapter2_2Dlg dialog

CChapter2_2Dlg::CChapter2_2Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CChapter2_2Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CChapter2_2Dlg)
	m_strOldPassword = _T("");
	m_bIsOldPasswordFound = FALSE;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CChapter2_2Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CChapter2_2Dlg)
	DDX_Text(pDX, IDC_PASSWORD, m_strOldPassword);
	DDX_Check(pDX, IDC_PASSWORD_ACTIVE, m_bIsOldPasswordFound);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CChapter2_2Dlg, CDialog)
	//{{AFX_MSG_MAP(CChapter2_2Dlg)
	ON_BN_CLICKED(IDC_SET_PASSWORD, OnSetPassword)
	ON_BN_CLICKED(IDC_READ_PASSWORD, OnReadPassword)
	ON_BN_CLICKED(IDC_SET_ACTIVE, OnSetActive)
	ON_BN_CLICKED(IDC_READ_ACTIVE, OnReadActive)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CChapter2_2Dlg message handlers

BOOL CChapter2_2Dlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// 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
	
	CenterWindow(GetDesktopWindow());	// center to the hpc screen

	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}



void CChapter2_2Dlg::OnSetPassword() 
{
	UpdateData(TRUE);

	CSTPasswordManager pm;
	if (!m_bIsOldPasswordFound) {
		::AfxMessageBox(_T("Current password was not found. Cannot change password without current password."));
	} else {
		BOOL bResult = pm.SetPassword(m_strOldPassword, m_strPassword);
		if (!bResult) {
			::AfxMessageBox(_T("Cannot change password"));
		} else {
			m_strOldPassword = m_strPassword;
		}
	}
	
}

void CChapter2_2Dlg::OnReadPassword() 
{
	CWaitCursor wc;
	CSTPasswordManager pm;
	for (int i1=0; i1<9; i1++) {
	for (int i2=0; i2<9; i2++) {
	for (int i3=0; i3<9; i3++) {
	for (int i4=0; i4<9; i4++) {
		CString strTestPassword;
		strTestPassword.Format(_T("%d%d%d%d"), i1, i2, i3, i4);
		if (pm.CheckPassword(strTestPassword)) {
			m_strPassword = strTestPassword;
			m_strOldPassword = strTestPassword;
			m_bIsOldPasswordFound = TRUE;
			UpdateData(FALSE);
			return;
		}
	} } } }

	CString strTestPassword = _T("");
	
	if (pm.CheckPassword(strTestPassword)) {
		m_strPassword = strTestPassword;
		m_strOldPassword = strTestPassword;
		UpdateData(FALSE);
		m_bIsOldPasswordFound = TRUE;
		return;
	}

	m_strPassword = _T("- Unknown password - ");
	m_strOldPassword = _T("");
	UpdateData(FALSE);	
	
}

void CChapter2_2Dlg::OnSetActive() 
{
	UpdateData(TRUE);

	CSTPasswordManager pm;
	if (!m_bIsOldPasswordFound) {
		::AfxMessageBox(_T("Current password was not found. Cannot change active flag without current password."));
	} else {
		BOOL bResult = pm.SetPasswordActive(m_strOldPassword, m_bPasswordActive);
		if (!bResult) {
			::AfxMessageBox(_T("Cannot change active flag"));
		}
	}
	
}

void CChapter2_2Dlg::OnReadActive() 
{
	CSTPasswordManager pm;
	m_bPasswordActive = pm.GetPasswordActive();
	UpdateData(FALSE);	
	
}