compactmdbdlg.cpp

对数据库进行压缩

// CompactMDBDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CompactMDB.h"
#include "CompactMDBDlg.h"

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

#import "C:\PROGRAM FILES\COMMON FILES\System\ado\Msado26.tlb" no_namespace rename ("EOF","adoEOF")
#import "C:\PROGRAM FILES\COMMON FILES\System\ado\MSJRO.DLL" 

/////////////////////////////////////////////////////////////////////////////
// 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)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCompactMDBDlg dialog

CCompactMDBDlg::CCompactMDBDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCompactMDBDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCompactMDBDlg)
	m_csUserName = _T("");
	m_csSourcePath = _T("");
	m_csPassWd = _T("");
	m_csDestination = _T("");
	m_bIsUseSource = TRUE;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CCompactMDBDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCompactMDBDlg)
	DDX_Text(pDX, IDC_ED_USERNAME, m_csUserName);
	DDX_Text(pDX, IDC_ED_SOURCE_PATH, m_csSourcePath);
	DDX_Text(pDX, IDC_ED_PASSWD, m_csPassWd);
	DDX_Text(pDX, IDC_ED_DESTINATION, m_csDestination);
	DDX_Check(pDX, IDC_CHK_USE_SOURCE, m_bIsUseSource);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCompactMDBDlg, CDialog)
	//{{AFX_MSG_MAP(CCompactMDBDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_CHK_USE_SOURCE, OnChkUseSource)
	ON_BN_CLICKED(IDC_BUT_COMPACT, OnButCompact)
	ON_BN_CLICKED(IDC_BROWSE_SOURCE, OnBrowseSource)
	ON_BN_CLICKED(IDC_BROWSE_DEST, OnBrowseDest)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCompactMDBDlg message handlers

BOOL CCompactMDBDlg::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
	
	OnChkUseSource();
	UpdateData(TRUE);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CCompactMDBDlg::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 CCompactMDBDlg::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 CCompactMDBDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CCompactMDBDlg::OnChkUseSource() 
{

	UpdateData(1);
	if(m_bIsUseSource)
	{
		GetDlgItem(IDC_ED_DESTINATION)->EnableWindow(false);
		GetDlgItem(IDC_BROWSE_DEST)->EnableWindow(false);

	}
	else
	{
		GetDlgItem(IDC_ED_DESTINATION)->EnableWindow(true);
		GetDlgItem(IDC_BROWSE_DEST)->EnableWindow(true);
	}
	
}
void CCompactMDBDlg::OnBrowseSource() 
{
	
	CFileDialog oFlDlg(1);

	UpdateData(TRUE);
	oFlDlg.m_ofn.lpstrFilter = " Access Database(*.mdb) \0*.mdb\0\0";

	int iRet = oFlDlg.DoModal();
	if(iRet==IDOK)
	{
		m_csSourcePath  = oFlDlg.GetPathName();
	}	
	UpdateData(FALSE);
	
}

void CCompactMDBDlg::OnBrowseDest() 
{
	CFileDialog oFlDlg(1);
	UpdateData(TRUE);
	oFlDlg.m_ofn.lpstrFilter = " Access Database(*.mdb) \0*.mdb\0\0";

	int iRet = oFlDlg.DoModal();
	if(iRet==IDOK)
	{
		m_csDestination = oFlDlg.GetPathName();
	}	
	UpdateData(FALSE);
	
}


void CCompactMDBDlg::OnButCompact() 
{
	try
	{
		
		CString csSourceConnection;
		CString csDestConnection;

		CoInitialize(0);
		
		UpdateData(TRUE);
		
		csSourceConnection.Format("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=%s;Jet OLEDB:Database password=%s",m_csSourcePath,m_csPassWd);
		
		if(m_csSourcePath.IsEmpty())
		{
			MessageBox("Please provide valid access data source path","Compact Access Database",MB_ICONINFORMATION);
			GetDlgItem(IDC_ED_SOURCE_PATH)->SetFocus();
			return;
		}
		if(m_bIsUseSource)
		{
			csDestConnection.Format("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=%s;Jet OLEDB:Database password=%s",m_csSourcePath,m_csPassWd);
		}
		else
		{
			if(m_csDestination.IsEmpty())
			{
				MessageBox("Please provide valid access data destination path","Compact Access Database",MB_ICONINFORMATION);
				GetDlgItem(IDC_ED_DESTINATION)->SetFocus();
				return;
			}	
			csDestConnection.Format("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=%s;Jet OLEDB:Database password=%s",m_csDestination,m_csPassWd);
		}

		
		JRO::IJetEnginePtr jet(__uuidof(JRO::JetEngine));
		
		BeginWaitCursor();
		jet->CompactDatabase(csSourceConnection.AllocSysString(),csDestConnection.AllocSysString());
		EndWaitCursor();
		CoUninitialize();
	}
	catch(_com_error &e)
	{
		CString csError;
		csError =(LPCTSTR) e.Description();
		MessageBox(csError,"Error Info",MB_ICONEXCLAMATION);		
		
	}
	
}