badcopydlg.cpp

一个快速的文件拷本程序！常用于文件的修复！

// BadCopyDlg.cpp : implementation file
//

#include "stdafx.h"
#include "BadCopy.h"
#include "BadCopyDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
CBadCopyDlg *CBadCopyDlg::lpThis=NULL;
bool CBadCopyDlg::bThread=false;
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()

/////////////////////////////////////////////////////////////////////////////
// CBadCopyDlg dialog

CBadCopyDlg::CBadCopyDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CBadCopyDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CBadCopyDlg)
	m_From = _T("");
	m_To = _T("");
	m_Text = _T("");
	m_AllBit = _T("");
	m_PosBit = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CBadCopyDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CBadCopyDlg)
	DDX_Control(pDX, IDC_BUTTON_COPY, m_CopyFile);
	DDX_Control(pDX, IDC_PROGRESS, m_Progress);
	DDX_Text(pDX, IDC_EDIT_FORM, m_From);
	DDX_Text(pDX, IDC_EDIT_TO, m_To);
	DDX_Text(pDX, IDC_STATIC_COPY, m_Text);
	DDX_Text(pDX, IDC_STATIC_ALL, m_AllBit);
	DDX_Text(pDX, IDC_STATIC_POS, m_PosBit);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CBadCopyDlg, CDialog)
	//{{AFX_MSG_MAP(CBadCopyDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(ID_BROWSE_FROM, OnBrowseFrom)
	ON_BN_CLICKED(ID_BROWSE_TO, OnBrowseTo)
	ON_BN_CLICKED(IDC_BUTTON_COPY, OnButtonCopy)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBadCopyDlg message handlers

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

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

void CBadCopyDlg::OnBrowseFrom() 
{
	//Get while copy file path	
	UpdateData(TRUE);
	CFileDialog OpenDlg(TRUE,NULL,NULL,0,"*.*|*.*|\0",NULL);
	if(OpenDlg.DoModal())
		m_From=OpenDlg.GetPathName();
	FileExt=OpenDlg.GetFileExt();
	UpdateData(FALSE);
}

void CBadCopyDlg::OnBrowseTo() 
{
	//Set new file path
	UpdateData(TRUE);
	CString sExt;
	if(FileExt.GetLength()>=1)
	{
		sExt="*.";
		sExt+=FileExt;
		sExt+="|";
		sExt+=sExt;
	}
	sExt+="*.*|*.*|\0";
	CFileDialog OpenDlg(FALSE,FileExt,NULL,0,sExt,NULL);
	if(OpenDlg.DoModal())
		m_To=OpenDlg.GetPathName();
	UpdateData(FALSE);	
}

DWORD CBadCopyDlg::CopyThread(LPVOID lpPram)
{
	CFile fp,fpp;
	CString sErr;
	if(!fp.Open(lpThis->m_From,CFile::modeRead,NULL))
	{
		sErr="Open File ";
		sErr+=lpThis->m_From;
		sErr+=" Error!";
		AfxMessageBox(sErr,16);
		return 0;
	}
	if(!fpp.Open(lpThis->m_To,CFile::modeWrite|CFile::modeRead,NULL))
	if(!fpp.Open(lpThis->m_To,CFile::modeCreate|CFile::modeWrite|CFile::modeRead,NULL))
	{
		sErr="Open File ";
		sErr+=lpThis->m_To;
		sErr+=" Error!";
		AfxMessageBox(sErr,16);
		return 0;
	}
	int size=0;
	double how;
	UINT oldsize=fpp.GetLength();
	UINT copysize=fp.GetLength();
	if(oldsize && AfxMessageBox("发现复制的断点\n是否续传！",36)==IDYES)
	{
		copysize-=oldsize;
		if(copysize%512==0) how=copysize/512;
		else how=copysize/512+1;
		fp.Seek(oldsize,0);
		fpp.Seek(oldsize,0);
	}
	else
	{
		if(copysize%512==0) how=copysize/512;
		else how=copysize/512+1;
	}
	long lAll=copysize/1024;
	lpThis->m_AllBit.Format("共： %u KB",lAll);
	float pos=0;
	long lPos=0;
	char *buf=new char[513];
	for(double i=1;i<=how;i++)
	{
		if(bThread==false)
		{
			fp.Close();
			fpp.Close();
			delete buf;
			return -1;
		}
		pos=i/how*100;
		lPos=i/2;
		lpThis->m_PosBit.Format("已拷贝： %u KB  剩余： %u KB",lPos,lAll-lPos);
		memset(buf,NULL,513);
		size=fp.Read(buf,512);
		fpp.Write(buf,size);
		lpThis->m_Progress.SetPos((int)pos);
		lpThis->Update();
	}
	if(fpp.GetLength()==fp.GetLength())
		AfxMessageBox("文件拷贝完成!",64);
	else AfxMessageBox("拷贝文件时出错!",16);
	fp.Close();
	fpp.Close();
	lpThis->m_Progress.SetPos(0);
	lpThis->m_CopyFile.SetWindowText("复制");
	lpThis->m_Text="";
	lpThis->m_AllBit="共：KB";
	lpThis->m_PosBit="已拷贝：KB  剩余：KB";
	lpThis->Update();
	delete buf;
	return 0;
}

void CBadCopyDlg::OnButtonCopy() 
{
	//Copy file
	UpdateData(TRUE);
	CString sText;
	m_CopyFile.GetWindowText(sText);
	if(sText=="复制")
	{
		UpdateData(TRUE);
		m_Progress.SetPos(0);
		m_CopyFile.SetWindowText("取消");
		m_Text="开始复制……";
		Update();
		DWORD tid=0;
		lpThis=this;
		bThread=true;
		HANDLE hd=CreateThread(NULL,0,CopyThread,(LPVOID)this,0,&tid);
		CloseHandle(hd);
	}
	else
	{
		bThread=false;
		m_Progress.SetPos(0);
		m_CopyFile.SetWindowText("复制");
		//AfxMessageBox("已经取消复制",16);
		m_Text="";
		lpThis->m_Text="";
		lpThis->m_AllBit="";
		lpThis->m_PosBit="";
		Update();
	}
}


void CBadCopyDlg::Update()
{
	UpdateData(FALSE);
}