clipsdlg.cpp

clips的ocx控件,很有用

// CLIPSDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CLIPS.h"
#include "CLIPSDlg.h"
#include "QuestionDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CCLIPSDlg dialog

CCLIPSDlg::CCLIPSDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCLIPSDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCLIPSDlg)
		// 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);
}

void CCLIPSDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCLIPSDlg)
	DDX_Control(pDX, IDC_OUTPUT, m_ListBox);
	DDX_Control(pDX, IDC_CLIPSACTIVEXCONTROLCTRL1, m_CLIPS);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCLIPSDlg, CDialog)
	//{{AFX_MSG_MAP(CCLIPSDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCLIPSDlg message handlers

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

void CCLIPSDlg::OnOK() 
{
	CString	      theQuestion;
	CString       theSelections;
	CString       theAnswer;
	CString       theAttribute;
	CString       theFact;
	CQuestionDlg *pDlg;
	CString       theData;

	pDlg = new CQuestionDlg(this);
	
	//clear clips
	m_CLIPS.Clear();
	//load the constructs
	if(!m_CLIPS.Load("wine_tst.clp"))	{
		AfxMessageBox("failed to load construct file : WINE_TST.CLP");
		delete pDlg;
		return;
	}
	//attach a router buffer
	m_CLIPS.SetRouteBuffer("wdialog");
	//reset clips
	m_CLIPS.Reset();
	//call run to start the interative process
	m_CLIPS.Run(-1);
	//keep checking the flag to see if we need more data
	while(m_CLIPS.GetDefglobalInt("MAIN::needInput") > 0)	{
		//reset the flag to zero
		m_CLIPS.SetDefglobalInt("needInput", 0);
		//get the question, valid choices and attribute
		theQuestion = m_CLIPS.GetDefglobalString("MAIN::theQuestion");
		theSelections = m_CLIPS.GetDefglobalString("MAIN::allowedValues");
		theAttribute = m_CLIPS.GetDefglobalString("MAIN::theAttribute");
		//pass these down to our interface dialog
		pDlg->SetAnswer((LPCSTR)theSelections);
		pDlg->SetQuestion((LPCSTR)theQuestion);
		//call the interface dialog to query the user
		pDlg->DoModal();
		//retrieve the answer they chose
		theAnswer = pDlg->GetAnswer();
		//build the attribute fact
		theFact = "(attribute (name ";
		theFact += theAttribute;
		theFact += ")(value ";
		theFact += theAnswer;
		theFact += ")(certainty 100.0)))";
		//assert it back
		m_CLIPS.AssertString((LPCSTR)theFact);
		//run again to see if we are done...
		m_CLIPS.Run(-1);
	}
	//start getting the output data from the route
	theData = m_CLIPS.GetRouteBuffer("wdialog");
	//loop until done
	while(theData.GetLength() > 0)	{
		//throw away any CR/LF entries
		theData.Replace("\r", " ");
		theData.Replace("\n"," ");
		//add it to the output list
		m_ListBox.AddString((LPCSTR)theData);
		theData = m_CLIPS.GetRouteBuffer("wdialog");
	}
	//done
	delete pDlg;
}