tabusearchdlg.cpp

用禁忌算法求解tsp（旅行商问题）具有速度快

// TabuSearchDlg.cpp : implementation file
//

#include "stdafx.h"
#include "TabuSearch.h"
#include "TabuSearchDlg.h"
#include "iostream"
#include "fstream"
using namespace std;

#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()

/////////////////////////////////////////////////////////////////////////////
// CTabuSearchDlg dialog

CTabuSearchDlg::CTabuSearchDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTabuSearchDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTabuSearchDlg)
	m_nTabuLength = 100;
	m_nCandSize = 1000;
	m_nSameCount = 30;
	m_nIterCount = 2000;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CTabuSearchDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTabuSearchDlg)
	DDX_Text(pDX, IDC_TABU_LENGTH, m_nTabuLength);
	DDV_MinMaxInt(pDX, m_nTabuLength, 1, 10000);
	DDX_Text(pDX, IDC_CAND_SIZE, m_nCandSize);
	DDV_MinMaxInt(pDX, m_nCandSize, 100, 100000);
	DDX_Text(pDX, IDC_SAME_CONUT, m_nSameCount);
	DDV_MinMaxInt(pDX, m_nSameCount, 10, 100);
	DDX_Text(pDX, IDC_ITER_COUNT, m_nIterCount);
	DDV_MinMaxInt(pDX, m_nIterCount, 500, 10000);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CTabuSearchDlg, CDialog)
	//{{AFX_MSG_MAP(CTabuSearchDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_READFILE, OnButtonReadfile)
	ON_BN_CLICKED(IDC_BUTTON_COMPUTE, OnButtonCompute)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTabuSearchDlg message handlers

BOOL CTabuSearchDlg::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_bIsFileSelected = FALSE;
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CTabuSearchDlg::OnButtonReadfile() 
{
	// TODO: Add your control notification handler code here
		CFileDialog fdlg(TRUE, NULL, NULL,
		             OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,
					 "(*.txt) | *.txt||", AfxGetMainWnd());
	if (fdlg.DoModal() == IDOK)
	{
		string filename = fdlg.GetPathName();
		fstream inStream;
		inStream.open(filename.c_str(), ios::in);
		if (inStream.fail()|| inStream.eof())
		{
			cout << "打开文件错误：" << filename.c_str() << endl;
			return;
		}
		if (vecCity.size() != 0)
		{
			vecCity.clear();
		}

		inStream >> m_nCitynum;
		ASSERT(m_nCitynum != 0);

		CWnd *pWnd = GetDlgItem(IDC_DISPLAY);
		CDC *pDC = pWnd->GetDC();
	    pWnd->Invalidate(true);
	    pWnd->UpdateWindow();
		//HDC dc = pWnd->GetDC()->m_hDC;

		pWnd->GetClientRect(&m_ctrlRect);
		
		CPen rpen(PS_SOLID, 3, RGB(255,0,0));
		CPen *pOld = pDC->SelectObject(&rpen);

		City tempCity;
		int count;

		float ctrlX = m_ctrlRect.right - m_ctrlRect.left;
		float ctrlY = m_ctrlRect.bottom - m_ctrlRect.top;
		
		float maxX=0.0, maxY=0.0;
		for (count=0; count < m_nCitynum; count++)
		{
			inStream >> tempCity.m_nIndex;
			inStream >> tempCity.m_corCity.m_fX;
			inStream >> tempCity.m_corCity.m_fY;
			vecCity.push_back(tempCity);
			if (tempCity.m_corCity.m_fX>maxX)
			{
				maxX = tempCity.m_corCity.m_fX;
			}
			if (tempCity.m_corCity.m_fY>maxY)
			{
				maxY = tempCity.m_corCity.m_fY;
			}
		}

		float rateX = maxX/ctrlX+0.5;
		float rateY = maxY/ctrlY+0.5;

		std::vector<City>::iterator cityIter;
		for (cityIter=vecCity.begin(); cityIter!=vecCity.end(); cityIter++)
		{
			(cityIter->m_corCity.m_fX) /= rateX;
			(cityIter->m_corCity.m_fY) /= rateY;			

		}

		for (cityIter=vecCity.begin(); cityIter!=vecCity.end(); cityIter++)
		{
			pDC->MoveTo((int)(cityIter->m_corCity.m_fX), 
				        (int)(cityIter->m_corCity.m_fY));
			pDC->LineTo((int)(cityIter->m_corCity.m_fX), 
				        (int)(cityIter->m_corCity.m_fY));
		}

		pDC->SelectObject(pOld);
		inStream.close();

		m_bIsFileSelected = TRUE;
	}
}

void CTabuSearchDlg::OnButtonCompute() 
{
	// TODO: Add your control notification handler code here
	if (!m_bIsFileSelected)
	{
		MessageBox("还没有选择坐标文件！", "错误");
		return;
	}

	TabuSearch *tsp = new TabuSearch();

	UpdateData(TRUE);    //更新输入参数

	CListBox *pListBox = (CListBox *)GetDlgItem(IDC_LIST_STATE);

	tsp->ObtainParams(m_nTabuLength, m_nCandSize, m_nSameCount, m_nIterCount, vecCity, m_nCitynum);
	tsp->Init();
	tsp->TSPTabuSearch(pListBox);
}