// FleFd.cpp : implementation file
//

#include "stdafx.h"
#include "Chapter14.h"
#include "FleFd.h"

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

/////////////////////////////////////////////////////////////////////////////
// CFleFd dialog


CFleFd::CFleFd(CWnd* pParent /*=NULL*/)
	: CDialog(CFleFd::IDD, pParent)
{
	//{{AFX_DATA_INIT(CFleFd)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CFleFd::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CFleFd)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CFleFd, CDialog)
	//{{AFX_MSG_MAP(CFleFd)
	ON_BN_CLICKED(IDC_dir_sel, Ondirsel)
	ON_BN_CLICKED(IDC_start, Onstart)
	ON_BN_CLICKED(IDC_SAVE_FILE, OnSaveFile)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFleFd message handlers

void CFleFd::Ondirsel() 
{
	// TODO: Add your control notification handler code here
	LPBROWSEINFO lpbi=new BROWSEINFO;	
	lpbi->hwndOwner=GetSafeHwnd();//NULL;
	lpbi->pidlRoot=NULL;
	lpbi->pszDisplayName=NULL;
	lpbi->lpszTitle="請選擇要遍歷的目錄位置:";
	lpbi->ulFlags=BIF_RETURNONLYFSDIRS|BIF_STATUSTEXT;
	lpbi->lpfn=NULL;
	//顯示外殼文件夾以便用戶選擇
    LPITEMIDLIST lpitemidlist=SHBrowseForFolder(lpbi); 
	
	if(lpitemidlist==NULL)
	{
		delete lpbi;
		lpbi = NULL;
		return;
	}
	char path[MAX_PATH];
	//轉換項目標志府列表為一個系統文件路徑
	SHGetPathFromIDList(lpitemidlist,path);
	delete lpbi;
    //獲取控件指針
	CWnd* pWnd=(CWnd*)GetDlgItem(IDC_dir);
    //設置其標題為當前路徑信息
	pWnd->SetWindowText(path);
    //更新對話框
	UpdateData(FALSE);	
}

void CFleFd::BrowseDir(CString& strDir)
{	
	//定義查找文件對象
	CFileFind cff;
	CString szDir = strDir;
	CString str;	
	//當為根目錄時，最右側為'\'
	if(szDir.Right(1) != "\\")
		szDir += "\\";
	//所有文件
	szDir += "*.*";
	BOOL bResult = cff.FindFile(szDir);
	while(bResult)
	{
		bResult = cff.FindNextFile();
		if(cff.IsDirectory() && !cff.IsDots())
		{
			//如果是一個子目錄，用遞歸繼續往深一層找
			CString strPath=cff.GetFilePath();
			BrowseDir(strPath);
			//目錄數目自加
			ldirCount++;
		}
		else if(!cff.IsDirectory() && !cff.IsDots())
		{
			//顯示當前訪問的文件
			CWnd* pWnd = (CWnd*)GetDlgItem(IDC_dir);
			str.Format("%s",cff.GetFilePath());
			pWnd->SetWindowText(str);
			//寫到文件
			ExportFile.WriteString(str+"\n");			
			//文件數目自加
			lfileCount++;
			//為了能看的清楚，可以停留幾毫秒
//			Sleep(10);
		}
		//置空
		str="";
	}
	cff.Close();//關閉
}

void CFleFd::Onstart() 
{
	// TODO: Add your control notification handler code here
	CWnd* pWnd=(CWnd*)GetDlgItem(IDC_dir);
	CString path,strHint;
    pWnd->GetWindowText(path);
	//路徑信息不能為空
	if(path.IsEmpty())
	{
		AfxMessageBox("目錄不能為空");
		return;
	}
	//將文件路徑保存為文件
	ExportFile.Open(strDirFile,CFile::modeCreate|CFile::modeWrite,NULL);
	//計數器復位
	lfileCount=0;
	ldirCount=0;
	BrowseDir(path);
	//查找完畢提示
	strHint.Format("共有文件夾%d 文件%d個",ldirCount,lfileCount);
	AfxMessageBox(strHint);
	//關閉文件
	ExportFile.Close();
}

void CFleFd::OnSaveFile() 
{
	// TODO: Add your control notification handler code here
	CString strFilter;
	strFilter="Txt Files(*.txt)|*.txt||";
	CFileDialog dlg( TRUE, NULL, NULL, OFN_EXPLORER|OFN_HIDEREADONLY|
		OFN_ENABLESIZING|OFN_FILEMUSTEXIST,strFilter);
	dlg.m_ofn.lStructSize = sizeof(OPENFILENAME);
	if(dlg.DoModal() == IDOK )
	{
		strDirFile=dlg.GetPathName();
	}
    UpdateData(FALSE);
}

BOOL CFleFd::OnInitDialog()
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	//初始化計數器
	lfileCount=0;
	ldirCount=0;
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}