树dlg.cpp

办公室局域网模拟 数据结构 办公室局域网模拟 数据结构

// 树Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "树.h"
#include "树Dlg.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()

/////////////////////////////////////////////////////////////////////////////
// CMyDlg dialog

CMyDlg::CMyDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMyDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMyDlg)
	m_ncost = 0;
	m_bnewgraph=TRUE;
	m_stroutput="";
	m_str1 = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMyDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMyDlg)
	DDX_Control(pDX, IDC_COMBO_POINT2, m_cmb2);
	DDX_Control(pDX, IDC_COMBO_POINT1, m_cmb1);
	DDX_Text(pDX, IDC_COST, m_ncost);
	DDV_MinMaxInt(pDX, m_ncost, 0, 10000);
	DDX_Text(pDX, IDC_OUTPUT, m_str1);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMyDlg, CDialog)
	//{{AFX_MSG_MAP(CMyDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_INSERT, OnButtonInsert)
	ON_BN_CLICKED(IDC_ENTER, OnEnter)
	ON_BN_CLICKED(IDC_CLEAN, OnClean)

	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyDlg message handlers

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

void CreateMGraph(MGraph &G)
{	
	int i,j;
	G.vexnum=10;
	G.vexs[0]='A';
	G.vexs[1]='B';
	G.vexs[2]='C';
	G.vexs[3]='D';
	G.vexs[4]='E';
	G.vexs[5]='F';
	G.vexs[6]='G';
	G.vexs[7]='H';
	G.vexs[8]='I';
	G.vexs[9]='J';
    for (i=0;i<G.vexnum;i++)
		for (j=0;j<G.vexnum;j++)
			G.arcs[i][j]=0;
	G.arcnum=0;
	return;
}

int LocateVex(MGraph G,char u)
{	
	int i;
	for (i=0;i<G.vexnum;i++)
    {	
		if (u == G.vexs[i]) 
			return i;
	}
	if (i== G.vexnum) 
	{  
		printf("Error u!\n");
		exit(1);
	}
	return 0;
}

typedef int VRType;

struct CLOSEDGE{
	char adjvex;
	VRType lowcost;
}closedge[MAX_VERTEX_NUM];

void CMyDlg::OnButtonInsert() 
{
	// TODO: Add your control notification handler code here
	UpdateData(1);
	if(m_bnewgraph==TRUE)
	{
		CreateMGraph(G);
		m_bnewgraph=FALSE;
	}
	m_nv1=m_cmb1.GetCurSel();
	m_nv2=m_cmb2.GetCurSel();
	cost=m_ncost;
	if(m_nv1!=m_nv2)
	{
		InsertEdge(m_nv1,m_nv2,cost);
		ShowMGraph(G);
	}
	else MessageBox("输入错误，请重新输入");
	UpdateData(0);
}

void CMyDlg::InsertEdge(int v1, int v2, int cost)
{
	G.arcs[v1][v2]=cost;
	G.arcs[v2][v1]=cost;
	G.arcnum++;
}

void CMyDlg::OnEnter() 
{
	// TODO: Add your control notification handler code here
	if(m_bnewgraph==false)
	{
		MiniSpanTree_PRIM(G,'A');
		MessageBox(m_stroutput,NULL,MB_OK);
	}
	else MessageBox(_T("未生成布线"),NULL,MB_OK);
}

void CMyDlg::MiniSpanTree_PRIM(MGraph G, char u)
{
	m_stroutput="";
	CString str;
	int a,allcost=0;
	int k,j,i,minCost;
	k=LocateVex(G,u);
	for (j=0;j<G.vexnum;++j)
	{
		if (j!=k) 
		{
			closedge[j].adjvex=u;
			closedge[j].lowcost=G.arcs[k][j]; 
		}
	}
	closedge[k].lowcost=-1;
	for (i=1;i<G.vexnum;++i)
    {  
		if(a==k)a=-1;
		minCost=1000;
        for (j=0;j<G.vexnum;++j)
        { 
			if (closedge[j].lowcost<minCost&&closedge[j].lowcost>0)
            { 
				minCost=closedge[j].lowcost;
				k=j;
				a=k;
			}
		}
		if(a!=-1)
		{
			str.Format("%c%c ",closedge[k].adjvex,G.vexs[k]);
			m_stroutput=m_stroutput+str;
			allcost=allcost+closedge[k].lowcost;
			closedge[k].lowcost=-1;
			for (j=0;j<G.vexnum;++j)
			{
				if ((G.arcs[k][j]<closedge[j].lowcost&&G.arcs[k][j]!=0&&closedge[j].lowcost!=-1)
					||closedge[j].lowcost==0)
				{ 
					closedge[j].adjvex=G.vexs[k];
					closedge[j].lowcost=G.arcs[k][j];
				}
			}
		}
		else
		{
			m_stroutput=_T("这十个办公点不联通，不能建立局域网");
			return;
		}
	}
	if(allcost>0)
	{
		str.Format("\n总成本为%d",allcost);
		m_stroutput=m_stroutput+str;
	}
	else
		m_stroutput=_T("这十个办公点不联通，不能建立局域网");
}

void CMyDlg::ShowMGraph(MGraph G)
{
		CString str,all;
		for(int i=0;i<G.vexnum ;i++)
		{
			str.Format("\t%c",G.vexs[i]);
			all=all+str;
		}
		for(i=0;i<G.vexnum;i++)
		{
			str.Format("\n%c\t",G.vexs[i]);
			all=all+str;
			for(int j=0;j<G.vexnum;j++)
			{
				str.Format("%d\t",G.arcs[i][j]);
				all=all+str;
			}
		}
		m_str1=all;
}

void CMyDlg::OnClean() 
{
	// TODO: Add your control notification handler code here
	UpdateData(1);
	m_str1="";
	m_bnewgraph=TRUE;
	UpdateData(0);
}