pathdlg.cpp

算法作业,迪杰斯特拉算法模拟公车选路,任选图上两点算出经过的最少站点数和最短路径及最短路径长度

// pathDlg.cpp : implementation file
//

#include "stdafx.h"
#include "path.h"
#include "pathDlg.h"
#include "pathhead.h"

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

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

/////////////////////////////////////////////////////////////////////////////
// CPathDlg dialog

CPathDlg::CPathDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CPathDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CPathDlg)
	m_b = 0;
	m_e = 0;
	m_s = 0;
	m_ldp = _T("");
	m_lp = _T("");
	m_ldd = 0;
	m_ltp = _T("");
	m_ltt = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CPathDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CPathDlg)
	DDX_Text(pDX, IDC_EDIT_B, m_b);
	DDV_MinMaxInt(pDX, m_b, 0, 6);
	DDX_Text(pDX, IDC_EDIT_E, m_e);
	DDV_MinMaxInt(pDX, m_e, 0, 6);
	DDX_Text(pDX, IDC_EDIT_S, m_s);
	DDX_Text(pDX, IDC_EDIT4, m_ldp);
	DDX_Text(pDX, IDC_EDIT6, m_lp);
	DDX_Text(pDX, IDC_EDIT5, m_ldd);
	DDX_Text(pDX, IDC_EDIT7, m_ltp);
	DDX_Text(pDX, IDC_EDIT8, m_ltt);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CPathDlg, CDialog)
	//{{AFX_MSG_MAP(CPathDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPathDlg message handlers

BOOL CPathDlg::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 CPathDlg::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 CPathDlg::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 CPathDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CPathDlg::OnButton1() 
{
	float g[N][N]={{0,6,3,INI,INI,INI,INI},{6,0,2,5,INI,INI,3},{3,2,0,1,4,INI,INI},{INI,5,1,0,2,8,INI},{INI,INI,4,2,0,11,INI},{INI,INI,INI,8,11,0,2},{INI,3,INI,INI,INI,2,0}};
	UpdateData();
	m_ldp=_T("");
	m_ltp=_T("");
	m_ltt=_T("");
	m_lp=_T("");
	CPath p;
	p.path(g,m_b,m_e,0);
	m_ldd=p.getdistance();
	m_ldp=p.outputpath();
	p.lesspoint(g,m_b,m_e);
	m_lp=p.outputpath();
	p.lesstime(g,m_b,m_e,m_s);
	m_ltp=p.outputpath();
	m_ltt.Format("%f",p.getdistance()/m_s);
	UpdateData(false);	
}