sample05dlg.cpp

vc百例之三

// Sample05Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "Sample05.h"
#include "Sample05Dlg.h"
#include "DlgProxy.h"

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

/////////////////////////////////////////////////////////////////////////////
// CSample05Dlg dialog

IMPLEMENT_DYNAMIC(CSample05Dlg, CDialog);

CSample05Dlg::CSample05Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CSample05Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSample05Dlg)
	m_sDept = _T("");
	m_sEmail = _T("");
	m_nID = 0;
	m_sName = _T("");
	m_sPhone = _T("");
	m_sRemark = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	m_pAutoProxy = NULL;
}

CSample05Dlg::~CSample05Dlg()
{
	// If there is an automation proxy for this dialog, set
	//  its back pointer to this dialog to NULL, so it knows
	//  the dialog has been deleted.
	if (m_pAutoProxy != NULL)
		m_pAutoProxy->m_pDialog = NULL;
}

void CSample05Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSample05Dlg)
	DDX_Text(pDX, IDC_DEPT, m_sDept);
	DDX_Text(pDX, IDC_EMAIL, m_sEmail);
	DDX_Text(pDX, IDC_ID, m_nID);
	DDX_Text(pDX, IDC_NAME, m_sName);
	DDX_Text(pDX, IDC_PHONE, m_sPhone);
	DDX_Text(pDX, IDC_REMARK, m_sRemark);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CSample05Dlg, CDialog)
	//{{AFX_MSG_MAP(CSample05Dlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_CLOSE()
	ON_BN_CLICKED(IDC_PREV, OnPrev)
	ON_BN_CLICKED(IDC_NEXT, OnNext)
	ON_BN_CLICKED(IDC_FIRST, OnFirst)
	ON_BN_CLICKED(IDC_LAST, OnLast)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSample05Dlg message handlers

BOOL CSample05Dlg::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
	
	// TODO: Add extra initialization here
	m_recordInfo.Open();
	m_recordInfo.MoveFirst();
	ShowRecord();
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

// 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 CSample05Dlg::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 CSample05Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

// Automation servers should not exit when a user closes the UI
//  if a controller still holds on to one of its objects.  These
//  message handlers make sure that if the proxy is still in use,
//  then the UI is hidden but the dialog remains around if it
//  is dismissed.

void CSample05Dlg::OnClose() 
{
	if (CanExit())
		CDialog::OnClose();
}

void CSample05Dlg::OnOK() 
{
	if (CanExit())
		CDialog::OnOK();
}

void CSample05Dlg::OnCancel() 
{
	if (CanExit())
		CDialog::OnCancel();
}

BOOL CSample05Dlg::CanExit()
{
	// If the proxy object is still around, then the automation
	//  controller is still holding on to this application.  Leave
	//  the dialog around, but hide its UI.
	if (m_pAutoProxy != NULL)
	{
		ShowWindow(SW_HIDE);
		return FALSE;
	}

	return TRUE;
}

void CSample05Dlg::OnPrev() 
{
	m_recordInfo.MovePrev();
	ShowRecord();
}

void CSample05Dlg::OnNext() 
{
	m_recordInfo.MoveNext();
	ShowRecord();
}

void CSample05Dlg::OnFirst() 
{
	m_recordInfo.MoveFirst();
	ShowRecord();	
}

void CSample05Dlg::OnLast() 
{
	m_recordInfo.MoveLast();
	ShowRecord();
}

void CSample05Dlg::ShowRecord()
{
	m_nID = m_recordInfo.m_ID;
	m_sName = m_recordInfo.m_column0;
	m_sDept = m_recordInfo.m_column1;
	m_sPhone = m_recordInfo.m_column2;
	m_sEmail = m_recordInfo.m_Email;
	m_sRemark = m_recordInfo.m_column3;
	UpdateData(FALSE);
}