vdiffdlg.cpp

A File Comparer with visual output

// VDiffDlg.cpp : implementation file
//
#include "stdafx.h"
#include "VDiff.h"
#include "VDiffDlg.h"
#include "..\CmpMngr.h"

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

#define MULTI_THREAD

/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CVDiffDlg dialog

CVDiffDlg::CVDiffDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CVDiffDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CVDiffDlg)
	m_File1 = _T("");
	m_File2 = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CVDiffDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CVDiffDlg)
	DDX_Control(pDX, IDC_PROGRESS, m_Progrs);
	DDX_Control(pDX, IDC_COMPARE, m_Compare);
	DDX_Text(pDX, IDC_FILE1, m_File1);
	DDX_Text(pDX, IDC_FILE2, m_File2);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CVDiffDlg, CDialog)
	//{{AFX_MSG_MAP(CVDiffDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_SELECT1, OnSelect1)
	ON_BN_CLICKED(IDC_SELECT2, OnSelect2)
	ON_BN_CLICKED(IDC_COMPARE, OnCompare)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CVDiffDlg message handlers

BOOL CVDiffDlg::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
	
	m_Compare.EnableWindow(FALSE);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CVDiffDlg::OnSelect1() 
{
	// TODO: Add your control notification handler code here
	CFileDialog fs(TRUE, NULL, "file1.txt", NULL , NULL, NULL );	
	if (IDOK == fs.DoModal()) 
	{
		m_File1 = fs.GetPathName();
	}
	if (m_File1 != "" && m_File2 != "") m_Compare.EnableWindow(TRUE);
	UpdateData(FALSE);
}

void CVDiffDlg::OnSelect2() 
{
	// TODO: Add your control notification handler code here
	CFileDialog fs(TRUE, NULL, "file1.txt", NULL , NULL, NULL );	
	if (IDOK == fs.DoModal()) 
	{
		m_File2 = fs.GetPathName();
	}	
	if (m_File1 != "" && m_File2 != "") m_Compare.EnableWindow(TRUE);
	UpdateData(FALSE);
}

UINT MyThreadProc( LPVOID pParam )
{
    CCmpMngr* pCmpMngr = (CCmpMngr*)pParam;

    if (pCmpMngr == NULL)
    return 1;   // if pObject is not valid

	int i = pCmpMngr->nRange;
    pCmpMngr->compare();

    return 0;   // if pObject is not valid   // thread completed successfully
}


void CVDiffDlg::OnCompare() 
{
	// TODO: Add your control notification handler code here

	CCmpMngr *pCmpMgr;
	std::string file1,file2,oDir;
	char path[256];
		
	pCmpMgr = new CCmpMngr;
	pCmpMgr->baseFile = std::string(LPCTSTR(m_File1));
	pCmpMgr->compFile = std::string(LPCTSTR(m_File2));

#ifdef MULTI_THREAD
	DWORD exitCode;
	BOOL  st;

	CWinThread* pThread = AfxBeginThread(MyThreadProc, pCmpMgr, THREAD_PRIORITY_ABOVE_NORMAL, 0, 0, NULL );
	pThread->m_bAutoDelete = TRUE;
	pThread->ResumeThread();
	pCmpMgr->nRange = 0;
	pCmpMgr->nProgress = 0;
	do
	{
		st = GetExitCodeThread(pThread->m_hThread,&exitCode);
		m_Progrs.SetRange32(0,pCmpMgr->nRange);
		m_Progrs.SetPos(pCmpMgr->nProgress);
	}while ((st) && (pThread != NULL) && (exitCode == STILL_ACTIVE));
#else		
	pCmpMgr->compare();
#endif
	
	GetCurrentDirectory(255,path);
	oDir = std::string(path);
	if (oDir[oDir.length()-1] != '\\') oDir.append(std::string("\\")); // append '\'
	pCmpMgr->print_diff_in_HTML(oDir);


	oDir.append("\\diff.html");
	ShellExecute(NULL, "open", oDir.c_str(), NULL, NULL, SW_SHOW);
}