demo4dlg.cpp

一个VC写的直接读取MIF文件的GIS系统

// Demo4Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "Demo4.h"
#include "Demo4Dlg.h"
#include "UdpData.h"
#include "HangJi.h"
#include "ModifyBp.h"
#include "proj.h"
#include <time.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()

/////////////////////////////////////////////////////////////////////////////
// CDemo4Dlg dialog

CDemo4Dlg::CDemo4Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CDemo4Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDemo4Dlg)
		// 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);
	m_aList.RemoveAll();
}

void CDemo4Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDemo4Dlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CDemo4Dlg, CDialog)
	//{{AFX_MSG_MAP(CDemo4Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_DESTROY()
	ON_WM_TIMER()
	ON_BN_CLICKED(IDC_ADD, OnAdd)
	ON_BN_CLICKED(IDC_START, OnStart)
	ON_BN_CLICKED(IDC_STOP, OnStop)
	ON_LBN_SELCHANGE(IDC_LIST, OnSelchangeList)
	ON_BN_CLICKED(IDC_MODIFY, OnModify)
	ON_BN_CLICKED(IDC_DELETE, OnDelete)
	ON_BN_CLICKED(IDC_MODIFY_BP, OnModifyBp)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDemo4Dlg message handlers

BOOL CDemo4Dlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	m_pUdp = new CUdpData(this);
	if(!m_pUdp->Create(InterNetUdpPort[4], SOCK_DGRAM))
	{
		return false;
	}

	// 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 CDemo4Dlg::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 CDemo4Dlg::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 CDemo4Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

TRACK0_10H_A* CDemo4Dlg::GetListData(CString& bp)
{
	int i;
	for(i = m_aList.GetSize()-1; i >= 0; i--)
	{
		TRACK0_10H_A* t = (TRACK0_10H_A*)m_aList.GetAt(i);
		if(bp == t->t.bp)
		{
			return t;
		}
	}
	return NULL;
}

int CDemo4Dlg::GetListPos(CString& bp)
{
	int i;
	for(i = m_aList.GetSize()-1; i >= 0; i--)
	{
		TRACK0_10H_A* t = (TRACK0_10H_A*)m_aList.GetAt(i);
		if(bp == t->t.bp)
		{
			return i;
		}
	}
	return -1;
}

void CDemo4Dlg::FreshTime()
{//更新航迹时间
	int i;
	time_t tim;
	time( &tim );
	for(i = m_aList.GetSize()-1; i >= 0; i--)
	{
		((TRACK0_10H_A*)m_aList.GetAt(i))->t.t = tim;
	}
}

void CDemo4Dlg::FreshList()
{
	int i, j = m_aList.GetSize();
	CListBox* list = (CListBox*)GetDlgItem(IDC_LIST);
	list->ResetContent();
	for(i = 0; i < j; i++)
	{
		TRACK0_10H_A* t = (TRACK0_10H_A*)m_aList.GetAt(i);
		list->AddString(t->t.bp);
	}
}

void CDemo4Dlg::OnDestroy() 
{
	// TODO: Add your message handler code here
	if(m_pUdp)
	{
		BYTE Buffer[50];
		m_pUdp->ShutDown();
		while (m_pUdp->Receive(Buffer,50) > 0);
		delete m_pUdp;
		m_pUdp = NULL;
	}
	KillTimer(0);
	
	int i;
	for(i=m_aList.GetSize()-1; i >=0; i--)
		delete (TRACK0_10H_A*)m_aList.GetAt(i);

	m_aList.RemoveAll();

	CDialog::OnDestroy();
}

void CDemo4Dlg::OnTimer(UINT nIDEvent) 
{//定时处理程序
	// TODO: Add your message handler code here and/or call default
	int i;
	CMapProj proj;
	time_t nowtime;
	time( &nowtime);
	for(i=m_aList.GetSize()-1; i >= 0; i--)
	{//遍历报文列表
		TRACK0_10H_A* t = (TRACK0_10H_A*)m_aList.GetAt(i);
		if( t->select >= 0 && t->select <4 && (nowtime - t->t.t) >= t->dt )
		{//发送时间间隔大于该报文设定间隔的报文
			proj.inverse_rhumb1(t->t.w, t->t.j, t->t.hx, t->t.hs * 1852 / 3600 * (nowtime - t->t.t), &(t->t.w), &(t->t.j));
			t->t.t = nowtime;
			m_pUdp->SendTo((void*)&(t->t), sizeof(TRACK0_10H),
				InterNetUdpPort[t->select], InternetAddress[t->select]);
		}
	}

	CDialog::OnTimer(nIDEvent);
}

void CDemo4Dlg::OnAdd() 
{//增加航迹
	// TODO: Add your control notification handler code here
	int i;
	CHangJi dlg;
	dlg.DoModal();
	if(dlg.m_strBp.IsEmpty())
	{
		AfxMessageBox("必须输入标牌内容!");
		return;
	}

	TRACK0_10H_A* t = new TRACK0_10H_A;
	dlg.WriteData(t);
	time( &(t->t.t) );

	CListBox* list = (CListBox*)GetDlgItem(IDC_LIST);
	CString item;
	for(i=list->GetCount()-1; i >= 0; i--)
	{
		list->GetText(i, item);
		if(item == t->t.bp)
		{
			AfxMessageBox("标牌重复!");
			delete t;
			return;
		}
	}
	m_aList.Add(t);
	list->AddString(t->t.bp);
}

void CDemo4Dlg::OnStart() 
{//开始模拟，启动定时器
	// TODO: Add your control notification handler code here
	SetTimer(0, 1000, NULL);
	//OnTimer(0);
}

void CDemo4Dlg::OnStop() 
{//停止模拟，停止定时器
	// TODO: Add your control notification handler code here
	KillTimer(0);
}

void CDemo4Dlg::OnSelchangeList() 
{//记录当前的选择项
	// TODO: Add your control notification handler code here
	CListBox* list = (CListBox*)GetDlgItem(IDC_LIST);
	int n = list->GetCurSel();
	list->GetText(n, m_strSelItem);
}

void CDemo4Dlg::OnModify() 
{//修改航迹数据，但不能修改标牌
	// TODO: Add your control notification handler code here
	TRACK0_10H_A* t;
	if( !(t = GetListData(m_strSelItem)) )
	{
		AfxMessageBox("请首先选择列表项!");
		return;
	}
	CHangJi dlg;
	dlg.ReadData(t);
	dlg.DoModal();
	//更新数据
	t->t.corp = 1<<dlg.m_nSelect;
	t->select = dlg.m_nSelect;
	t->dt = dlg.m_nDt;
	t->t.hs = dlg.m_fHs;
	t->t.hx = dlg.m_fHx;
	t->t.j = dlg.m_fJing;
	t->t.w = dlg.m_fWei;
	t->t.lx = dlg.m_nLx;
}

void CDemo4Dlg::OnDelete() 
{
	// TODO: Add your control notification handler code here
	int i;
	if( (i = GetListPos(m_strSelItem)) == -1 )
	{
		AfxMessageBox("请首先选择列表项!");
		return;
	}
	TRACK0_10H_A* t = GetListData(m_strSelItem);
	m_aList.RemoveAt(i);
	TRACK1_11H t1;
	t1.bh = 0x11;
	strncpy(t1.bp, m_strSelItem, MAX_BP_LEN-1);
	t1.Act = 0;
	if(t->select >= 0 && t->select <4)
	{//目标消失
		m_pUdp->SendTo((void*)&(t1), sizeof(TRACK1_11H),
			InterNetUdpPort[t->select], InternetAddress[t->select]);
	}
	CListBox* list = (CListBox*)GetDlgItem(IDC_LIST);
	i = list->FindString(0, m_strSelItem);
	list->DeleteString(i);
	delete t;
}

void CDemo4Dlg::OnModifyBp() 
{
	// TODO: Add your control notification handler code here
	TRACK0_10H_A* t;
	if( !(t = GetListData(m_strSelItem)) )
	{
		AfxMessageBox("请首先选择列表项!");
		return;
	}
	CModifyBp dlg;
	dlg.m_strBp = m_strSelItem;
	if(dlg.DoModal() == IDOK)
	{//更新数据
		strncpy(t->t.bp, dlg.m_strBp, MAX_BP_LEN);
		FreshList();
		TRACK1_11H t1;
		t1.bh = 0x11;
		t1.Act = 1;
		strncpy(t1.bp, m_strSelItem, MAX_BP_LEN);//原标牌
		strncpy(t1.bp1, dlg.m_strBp, MAX_BP_LEN);//新标牌
		if(t->select >= 0 && t->select <4)
		{//更改标牌
			m_pUdp->SendTo((void*)&(t1), sizeof(TRACK1_11H),
				InterNetUdpPort[t->select], InternetAddress[t->select]);
		}
		m_strSelItem.Empty();
	}
}