// WordLineDlg.cpp : implementation file
//

#include "stdafx.h"
#include "WordLine.h"
#include "WordLineDlg.h"
#include <direct.h>
#include <io.h>

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

int CountWords(HANDLE hFile);
int CountLines(HANDLE hFile);
BOOL ShellGetPathCount(HANDLE hDlg, char lpszPath[]);
bool Stop=false;
/////////////////////////////////////////////////////////////////////////////
// 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)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CWordLineDlg dialog

CWordLineDlg::CWordLineDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CWordLineDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CWordLineDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CWordLineDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CWordLineDlg)
	DDX_Control(pDX, IDC_FILES, m_TFiles);
	DDX_Control(pDX, IDC_MARKEDFILES, m_Files);
	DDX_Control(pDX, IDC_STOPCOUNT, m_Stop);
	DDX_Control(pDX, IDC_COUNT, m_Start);
	DDX_Control(pDX, IDC_WORDS, m_Words);
	DDX_Control(pDX, IDC_MARKEDWORDS, m_MarkedWords);
	DDX_Control(pDX, IDC_MARKEDLINES, m_MarkedLines);
	DDX_Control(pDX, IDC_LINES, m_Lines);
	DDX_Control(pDX, IDC_FILESPECS, m_Specs);
	DDX_Control(pDX, IDC_FILELIST, m_List);
	DDX_Control(pDX, IDC_DIRECTORY, m_Dir);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CWordLineDlg, CDialog)
	//{{AFX_MSG_MAP(CWordLineDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BROWSE, OnBrowse)
	ON_BN_CLICKED(IDC_COUNT, OnCount)
	ON_BN_CLICKED(IDC_STOPCOUNT, OnStopcount)
	ON_NOTIFY(LVN_ITEMCHANGED, IDC_FILELIST, OnItemchangedFilelist)
	ON_BN_CLICKED(IDC_EXIT, OnExit)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CWordLineDlg message handlers

BOOL CWordLineDlg::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
	m_List.InsertColumn(0, "File Name", LVCFMT_LEFT, 125);
	m_List.InsertColumn(1, "Words", LVCFMT_LEFT, 125);
	m_List.InsertColumn(2, "Lines", LVCFMT_LEFT, 125);
	m_List.SetExtendedStyle(LVS_EX_FULLROWSELECT);
	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

BOOL ShellGetPathCount(HANDLE hDlg, char lpszPath[])
{
	BOOL bRet;
	char szPath[MAX_PATH];
	LPITEMIDLIST lpil;
	HGLOBAL hgMem;
	BROWSEINFO bi;
    
	bi.hwndOwner=(HWND) hDlg;
	bi.pidlRoot = NULL;
	bi.pszDisplayName = szPath;
	bi.lpszTitle = "Select Destination Folder";
	bi.ulFlags = BIF_RETURNONLYFSDIRS;
	bi.lpfn = NULL;
	bi.lParam = 0L;
	bi.iImage = 0;
	lpil = SHBrowseForFolder(&bi);
	if(lpil == NULL)
		return FALSE;
	bRet = SHGetPathFromIDList(lpil, lpszPath);
	hgMem = GlobalHandle(lpil);
	GlobalFree(hgMem);
	return bRet;
}

void CWordLineDlg::OnBrowse() 
{
	// TODO: Add your control notification handler code here
	char Directory[MAX_PATH];
	if(ShellGetPathCount(m_hWnd, Directory))
		m_Dir.SetWindowText(Directory);
}

void CWordLineDlg::OnCount() 
{
	// TODO: Add your control notification handler code here
	char Directory[MAX_PATH], FileSpecs[300], TmpStr[MAX_PATH], *TmpVal=FileSpecs;
	int NumFileSpecs=0, NumWords=0, NumLines=0;
	Stop = false;

	m_Specs.GetWindowText(FileSpecs, 290);
	m_Dir.GetWindowText(Directory, MAX_PATH);
	if(!strlen(Directory)){
		AfxMessageBox("Directory not found");
		return;
	}
	if(Directory[3])
		strcat(Directory, "\\");
	while(strlen(TmpVal)){
		if(*(TmpVal++) == ';'){
			NumFileSpecs++;
		}
	}
	NumFileSpecs++;
	TmpVal=FileSpecs;
	if(_chdir(Directory)){
		AfxMessageBox("Directory not found");
		return;
	}
	if(!strlen(FileSpecs)){
		AfxMessageBox("Filespec not found");
		return;
	}
	m_List.DeleteAllItems();
	m_Words.SetWindowText("");
	m_Files.SetWindowText("");
	m_Lines.SetWindowText("");
	m_TFiles.SetWindowText("");
	m_MarkedWords.SetWindowText("");
	m_MarkedLines.SetWindowText("");
	m_Start.EnableWindow(FALSE);
	m_Stop.EnableWindow(TRUE);
	for(int i=0; i<NumFileSpecs; i++){
		strcpy(TmpStr, Directory);
		char TmpStr1[5]={0, 0};
		while(strlen(TmpVal)){
			if(*(TmpVal++) != ';'){
				TmpStr1[0]=*(TmpVal-1);
				strcat(TmpStr, TmpStr1);
			}
			else
				break;
		}
		struct _finddata_t ff;
		long hFind = _findfirst(TmpStr, &ff);
		while(strcmp(ff.name, ".")==0 || strcmp(ff.name, "..")==0)
			_findnext(hFind, &ff);
		do{
			HANDLE hFile = CreateFile(ff.name, GENERIC_READ, NULL, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
			if(hFile==INVALID_HANDLE_VALUE){
				continue;
			}
			NumWords = CountWords(hFile);
			SetFilePointer(hFile, 0, 0, FILE_BEGIN);
			NumLines = CountLines(hFile);
			CloseHandle(hFile);
			m_List.InsertItem(0, ff.name);
			char TmpStr2[20];
			wsprintf(TmpStr2, "%u", NumWords);
			m_List.SetItemText(0, 1, TmpStr2);
			wsprintf(TmpStr2, "%u", NumLines);
			m_List.SetItemText(0, 2, TmpStr2);
			MSG Msg;
			if(::PeekMessage(&Msg, m_hWnd, WM_NULL, WM_USER-1, PM_NOREMOVE)){
				::PeekMessage(&Msg, m_hWnd, WM_NULL, WM_USER-1, PM_REMOVE);
				TranslateMessage(&Msg);
				DispatchMessage(&Msg);
			}
			if(Stop)
				break;
		}while(!_findnext(hFind, &ff));
		_findclose(hFind);
	}
	m_Stop.EnableWindow(FALSE);
	m_Start.EnableWindow(TRUE);
	long Tmp;
	OnItemchangedFilelist(NULL, &Tmp);
}

int CountWords(HANDLE hFile)
{
	char TmpStr[5];
	DWORD Tmp=1, TmpCount=0;
	while(Tmp){
		ReadFile(hFile, TmpStr, 1, &Tmp, NULL);
		if((TmpStr[0]<'A' || TmpStr[0]>'Z') && (TmpStr[0]<'0' || TmpStr[0]>'9') && ((TmpStr[0] != 0x0A) && (TmpStr[0] != 0x0D)) && (TmpStr[0]<'a' || TmpStr[0]>'z'))
			TmpCount++;
	}
	return TmpCount;
}

int CountLines(HANDLE hFile)
{
	char TmpStr[5];
	DWORD Tmp=1, TmpCount=0;
	while(Tmp){
		ReadFile(hFile, TmpStr, 1, &Tmp, NULL);
		if(TmpStr[0] == 0x0A)
			TmpCount++;
	}
	return TmpCount;
}

void CWordLineDlg::OnStopcount() 
{
	// TODO: Add your control notification handler code here
	Stop = true;	
}

void CWordLineDlg::OnItemchangedFilelist(NMHDR* pNMHDR, LRESULT* pResult) 
{
	NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;
	// TODO: Add your control notification handler code here
	int NumWords=0, NumLines=0, MarkedLines=0, MarkedWords=0, NumMarkedFiles=0;
	char TmpStr[100];
	for(int i=0; i<m_List.GetItemCount(); i++){
		m_List.GetItemText(i, 1, TmpStr, 20);
		NumWords += atoi(TmpStr);
		m_List.GetItemText(i, 2, TmpStr, 20);
		NumLines += atoi(TmpStr);
		if(m_List.GetItemState(i, LVIS_SELECTED)==LVIS_SELECTED){
			m_List.GetItemText(i, 1, TmpStr, 20);
			MarkedWords += atoi(TmpStr);
			m_List.GetItemText(i, 2, TmpStr, 20);
			MarkedLines += atoi(TmpStr);
			wsprintf(TmpStr, "%u", MarkedWords);
			m_MarkedWords.SetWindowText(TmpStr);
			wsprintf(TmpStr, "%u", MarkedLines);
			m_MarkedLines.SetWindowText(TmpStr);
			NumMarkedFiles++;
			wsprintf(TmpStr, "%u", NumMarkedFiles);
			m_Files.SetWindowText(TmpStr);
		}
	}
	wsprintf(TmpStr, "%u", NumWords);
	m_Words.SetWindowText(TmpStr);
	wsprintf(TmpStr, "%u", NumLines);
	m_Lines.SetWindowText(TmpStr);
	wsprintf(TmpStr, "%u", m_List.GetItemCount());
	m_TFiles.SetWindowText(TmpStr);
	
	*pResult = 0;
}

void CWordLineDlg::OnExit() 
{
	// TODO: Add your control notification handler code here
	Stop = true;
	PostQuitMessage(0);
}