serverpropertysheet.cpp

KepWare的OPC Client 示例.面向C

			strLoader.FormatMessage (IDS_VENDORNAME, szBuffer);
			strStatus += strLoader;

			// Free memory allocated for vender info:
			CoTaskMemFree (pServerStatus->szVendorInfo);
			}

		// Add start time to status string:
		if (FileTimeToLocalFileTime (&pServerStatus->ftStartTime, &ftLocal))
			{
			SYSTEMTIME systime;
			if (FileTimeToSystemTime (&ftLocal, &systime))
				{
				strTemp.Format (_T("%02d:%02d:%02d:%03d"), systime.wHour, systime.wMinute, systime.wSecond, systime.wMilliseconds);			
				strLoader.FormatMessage (IDS_STARTTIME, strTemp);
				strStatus += strLoader;
				}
			}

		// Add current time to status string:
		if (FileTimeToLocalFileTime (&pServerStatus->ftCurrentTime, &ftLocal))
			{
			SYSTEMTIME systime;
			if (FileTimeToSystemTime (&ftLocal, &systime))
				{
				strTemp.Format (_T("%02d:%02d:%02d:%03d"), systime.wHour, systime.wMinute, systime.wSecond, systime.wMilliseconds);			
				strLoader.FormatMessage (IDS_CURRENTTIME, strTemp);
				strStatus += strLoader;
				}
			}

		// Add last update time to status string:
		if (FileTimeToLocalFileTime (&pServerStatus->ftLastUpdateTime, &ftLocal))
			{
			SYSTEMTIME systime;
			if (FileTimeToSystemTime (&ftLocal, &systime))
				{
				strTemp.Format (_T("%02d:%02d:%02d:%03d"), systime.wHour, systime.wMinute, systime.wSecond, systime.wMilliseconds);			
				strLoader.FormatMessage (IDS_LASTUPDATETIME, strTemp);
				strStatus += strLoader;
				}
			}

		// Create a string describing server state:
		switch (pServerStatus->dwServerState)
			{
			case OPC_STATUS_RUNNING:
				strTemp.LoadString (IDS_RUNNING);
				strLoader.FormatMessage (IDS_SERVERSTATE, strTemp); 
				break;

			case OPC_STATUS_FAILED: 
				strTemp.LoadString (IDS_FAILED);
				strLoader.FormatMessage (IDS_SERVERSTATE, strTemp); 
				break;

			case OPC_STATUS_NOCONFIG: 
				strTemp.LoadString (IDS_NOCONFIG);
				strLoader.FormatMessage (IDS_SERVERSTATE, strTemp); 
				break;

			case OPC_STATUS_SUSPENDED:
				strTemp.LoadString (IDS_SUSPENDED);
				strLoader.FormatMessage (IDS_SERVERSTATE, strTemp); 
				break;

			case OPC_STATUS_TEST: 
				strTemp.LoadString (IDS_TEST);
				strLoader.FormatMessage (IDS_SERVERSTATE, strTemp); 
				break;

			default: 
				strLoader.FormatMessage (IDS_SERVERSTATE, _T("???")); 
				break;			
			}

		// Add server state to status string:
		strStatus += strLoader;

		// Add group count to status string:
		strTemp.Format (_T("%d"), pServerStatus->dwGroupCount);
		strLoader.FormatMessage (IDS_GROUPCOUNT, strTemp);
		strStatus += strLoader;

		// Add major version number to status string:
		strTemp.Format (_T("%d"), pServerStatus->wMajorVersion);
		strLoader.FormatMessage (IDS_MAJORVERSION, strTemp);
		strStatus += strLoader;

		// Add minor version to status string:
		strTemp.Format (_T("%d"), pServerStatus->wMinorVersion);
		strLoader.FormatMessage (IDS_MINORVERSION, strTemp);
		strStatus += strLoader;

		// Add build number to status string:
		strTemp.Format (_T("%d"), pServerStatus->wBuildNumber);
		strLoader.FormatMessage (IDS_BUILDNUMBER, strTemp);
		strStatus += strLoader;

		// Free memeory allocated for server status:
		CoTaskMemFree (pServerStatus);
		}

	// Else if failed, add string stating unable to determin server status
	// to status string:
	else
		{
		strLoader.LoadString (IDS_UNABLE_TO_DETERMINE_STATUS);
		strStatus += strLoader;
		}

	// Display the status string:
	((CStatic *) GetDlgItem (IDC_STATUS))->SetWindowText (strStatus);

	// return TRUE unless you set the focus to a control
	// EXCEPTION: OCX Property Pages should return FALSE
	return (TRUE);  
	}


/////////////////////////////////////////////////////////////////////////////
// CKServerInterfacesPage property page
/////////////////////////////////////////////////////////////////////////////

IMPLEMENT_DYNCREATE (CKServerInterfacesPage, CPropertyPage)

// **************************************************************************
BEGIN_MESSAGE_MAP (CKServerInterfacesPage, CPropertyPage)
	//{{AFX_MSG_MAP(CKServerInterfacesPage)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP ()


// **************************************************************************
// CKServerInterfacesPage ()
//
// Description:
//	Constructor.
//
// Parameters:
//  none
//
// Returns:
//  none
// **************************************************************************
CKServerInterfacesPage::CKServerInterfacesPage () : CPropertyPage (CKServerInterfacesPage::IDD)
	{
	// Initialize member variables:

	//{{AFX_DATA_INIT(CKServerInterfacesPage)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	
	m_pServer = NULL;
	}

// **************************************************************************
// ~CKServerInterfacesPage ()
//
// Description:
//	Destructor.
//
// Parameters:
//  none
//
// Returns:
//  none
// **************************************************************************
CKServerInterfacesPage::~CKServerInterfacesPage ()
	{
	}

// **************************************************************************
// DoDataExchange ()
//
// Description:
//	This method is called by the framework to exchange and validate dialog data.
//
// Parameters:
//  CDataExchange	*pDX	A pointer to a CDataExchange object.
//
// Returns:
//  void
// **************************************************************************
void CKServerInterfacesPage::DoDataExchange (CDataExchange *pDX)
	{
	// Perform default processing:
	CPropertyPage::DoDataExchange (pDX);

	// Exchange data between controls and associated member variables:
	//{{AFX_DATA_MAP(CKServerInterfacesPage)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
	}


/////////////////////////////////////////////////////////////////////////////
// CKServerInterfacesPage message handlers
/////////////////////////////////////////////////////////////////////////////

#define NUMGROUPINTERFACES	7	// currently 7 possible interfaces at the server level

// **************************************************************************
// OnInitDialog ()
//
// Description:
//	Called immediately before the dialog box is displayed.  Use opportunity
//	to initialize controls.
//
// Parameters:
//  none
//
// Returns:
//	BOOL - TRUE.
// **************************************************************************
BOOL CKServerInterfacesPage::OnInitDialog () 
	{
	CListCtrl *pList = NULL;
	CString strLoader;
	CString strYes;
	CString strNo;
	int nIndex;

	// Perform default processing:
	CPropertyPage::OnInitDialog ();

	// Get a pointer to our list control:
	pList = (CListCtrl *) GetDlgItem (IDC_LIST);
	ASSERT (pList != NULL);

	// Initialize the image list for the interfaces. The bitmap must use a 
	// purple background color, RGB (255, 0, 255), so that the CImageList
	// object can construct a mask.  The images are 16x16 pixels.  Set the
	// image list background color to CLR_NONE so masked pixels will be
	// transparent. 
	// Image number		Use
	//	0				not used
	//	1				not used
	//	2				Interface
	m_cImageList.Create (IDB_COMPONENTS, 16, 4, RGB (255, 0, 255));
	m_cImageList.SetBkColor (CLR_NONE);
	pList->SetImageList (&m_cImageList, LVSIL_SMALL);

	// Create interface column:
	strLoader.LoadString (IDS_INTERFACE);
	pList->InsertColumn (0, strLoader, LVCFMT_LEFT, 200);

	// Create required column:
	strLoader.LoadString (IDS_REQUIRED);
	pList->InsertColumn (1, strLoader, LVCFMT_LEFT, 75);

	// Creaete supported column:
	strLoader.LoadString (IDS_SUPPORTED);
	pList->InsertColumn (2, strLoader, LVCFMT_LEFT, 75);

	// The server had better have been set by now (check for debug):
	ASSERT (m_pServer != NULL);

	// Load "Yes" and "No" strings from string resources:
	strNo.LoadString (IDS_NO);
	strYes.LoadString (IDS_YES);

	// Loop over interfaces and set list control items (one per interface):
	nIndex = 0;
	while (nIndex < NUMGROUPINTERFACES)
		{
		switch (nIndex)
			{
			case 0:
				// IOPCServer:
				pList->InsertItem (nIndex, _T ("IOPCServer"), ILI_INTERFACE);		// interface
				pList->SetItemText (nIndex, 1, strYes);				// required
				
				pList->SetItemText (nIndex, 2, 
					m_pServer->IsIServerSupported () ? strYes : strNo);	// supported
				break;

			case 1:
				// IOPCBrowseServerAddressSpace:
				pList->InsertItem (nIndex, _T ("IOPCBrowseServerAddressSpace"), ILI_INTERFACE);	
				pList->SetItemText (nIndex, 1, strNo);						

				pList->SetItemText (nIndex, 2, 
					m_pServer->IsIBrowsingSupported () ? strYes : strNo);
				break;

			case 2:
				// IOPCServerPublicGroups:
				pList->InsertItem (nIndex, _T ("IOPCServerPublicGroups"), ILI_INTERFACE);			
				pList->SetItemText (nIndex, 1, strNo);					

				pList->SetItemText (nIndex, 2, 
					m_pServer->IsIServerPublicGroupsSupported () ? strYes : strNo);
				break;

			case 3:
				// IPersistFile:
				pList->InsertItem (nIndex, _T ("IPersistFile"), ILI_INTERFACE);			
				pList->SetItemText (nIndex, 1, strNo);					

				pList->SetItemText (nIndex, 2, 
					m_pServer->IsIPersistFileSupported () ? strYes : strNo);				
				break;

			case 4:
				// IOPCCommon:
				pList->InsertItem (nIndex, _T ("IOPCCommon (2.0 only)"), ILI_INTERFACE);			
				pList->SetItemText (nIndex, 1, strYes);					

				pList->SetItemText (nIndex, 2, 
					m_pServer->IsICommonSupported () ? strYes : strNo);				
				break;

			case 5:
				// IOPCItemProperties:
				pList->InsertItem (nIndex, _T ("IOPCItemProperties (2.0 only)"), ILI_INTERFACE);			
				pList->SetItemText (nIndex, 1, strYes);					

				pList->SetItemText (nIndex, 2, 
					m_pServer->IsIItemPropertiesSupported () ? strYes : strNo);				
				break;

			case 6:
				// IConnectionPointContainer:
				pList->InsertItem (nIndex, _T ("IConnectionPointContainer (2.0 only)"), ILI_INTERFACE);	
				pList->SetItemText (nIndex, 1, strYes);						

				pList->SetItemText (nIndex, 2, 
					m_pServer->IsIConnectionPointContainerSupported () ? strYes : strNo);				
				break;

			default:
				// Unexpected interface index - programmer error:
				ASSERT (FALSE);
				break;
			}

		// Increment interface index:
		nIndex++;
		}

	// return TRUE unless you set the focus to a control
	// EXCEPTION: OCX Property Pages should return FALSE
	return (TRUE);  
	}


/////////////////////////////////////////////////////////////////////////////
// CKServerPropertySheet
/////////////////////////////////////////////////////////////////////////////

IMPLEMENT_DYNAMIC (CKServerPropertySheet, CPropertySheet)

// **************************************************************************
BEGIN_MESSAGE_MAP (CKServerPropertySheet, CPropertySheet)
	//{{AFX_MSG_MAP(CKServerPropertySheet)
		// NOTE - the ClassWizard will add and remove mapping macros here.
	//}}AFX_MSG_MAP
END_MESSAGE_MAP ()


// **************************************************************************
// CKServerPropertySheet
//
// Description:
//	Constructor.
//
// Parameters:
//  CKServer	*pServer	Pointer to server object.
//
// Returns:
//  none
// **************************************************************************
CKServerPropertySheet::CKServerPropertySheet (CKServer *pServer)
	: CPropertySheet (IDS_SERVER_PROPERTIES)
	{
	// Initialize member variables:
	m_pServer = pServer;

	// Add general page if they are selecting a new server (indicated by
	// NULL server pointer):
	if (m_pServer == NULL)
		{
		AddPage (&m_cGeneralPage);
		}

	// Else add status and interface pages if they are selected an existing
	// server:
	else
		{
		// Add status page:
		m_cStatusPage.m_pServer = m_pServer;
		AddPage (&m_cStatusPage);

		// Add interface page:
		m_cInterfacePage.m_pServer = m_pServer;
		AddPage (&m_cInterfacePage);
		}

	// Remove apply button since there will be nothing to change:
	m_psh.dwFlags |= PSH_NOAPPLYNOW;
	}

// **************************************************************************
// ~CKServerPropertySheet ()
//
// Description:
//	Destructor.
//
// Parameters:
//  none
//
// Returns:
//  none
// **************************************************************************
CKServerPropertySheet::~CKServerPropertySheet ()
	{
	}


/////////////////////////////////////////////////////////////////////////////
// CKServerPropertySheet message handlers
/////////////////////////////////////////////////////////////////////////////

// **************************************************************************
// DoModal ()
//
// Description:
//	Override of CPropertySheet::DoModal function to give us a change to 
//	create a new CKServer object if needed and attempt to connect to 
//	associated OPC server.
//
// Parameters:
//  none
//
// Returns:
//  void
// **************************************************************************
int CKServerPropertySheet::DoModal () 
	{
	// Allow for default processing.  Save return value:
	int nRC = CPropertySheet::DoModal ();

	// If we are already connected to a server, reset return code to 
	// IDCANCEL so no changes will be applied.
	if (m_pServer)
		nRC = IDCANCEL;

	// If the user selects OK, and the server is a new connection, add server
	// and attempt a connection:
	if (nRC == IDOK)
		{
		// Create a new server is server pointer is currently NULL:
		if (m_pServer == NULL)
			{
			try
				{
				m_pServer = new CKServer;
				}
			
			catch (...)
				{
				// Memory allocation error.  Reset return code to IDCANCEL
				// so no changes will be applied:
				ASSERT (FALSE);

				m_pServer = NULL;
				nRC = IDCANCEL;
				}
			}

		// Attempt to connect to a server:
		if (m_pServer)
			{
			m_pServer->Connect (
				m_cGeneralPage.m_strProgID,
				m_cGeneralPage.m_strRemoteMachine);
			}
		}

	// Return the return code:
	return (nRC);
	}