예제 #1
0
STDMETHODIMP COleUILinkInfo::GetLinkSource(
	DWORD dwLink, LPTSTR* lplpszDisplayName, ULONG* lplenFileName,
	LPTSTR* lplpszFullLinkType, LPTSTR* lplpszShortLinkType,
	BOOL* lpfSourceAvailable, BOOL* lpfIsSelected)
{
	COleClientItem* pItem = (COleClientItem*)dwLink;
	ASSERT_VALID(pItem);
	ASSERT_KINDOF(COleClientItem, pItem);
	ASSERT(pItem->GetType() == OT_LINK);

	// set OUT params to NULL
	ASSERT(lplpszDisplayName != NULL);
	*lplpszDisplayName  = NULL;
	if (lplpszFullLinkType != NULL)
		*lplpszFullLinkType = NULL;
	if (lplpszShortLinkType != NULL)
		*lplpszShortLinkType = NULL;
	if (lplenFileName != NULL)
		*lplenFileName = 0;
	if (lpfSourceAvailable != NULL)
		*lpfSourceAvailable = !pItem->m_bLinkUnavail;

	// get IOleLink interface
	LPOLELINK lpOleLink = QUERYINTERFACE(pItem->m_lpObject, IOleLink);
	ASSERT(lpOleLink != NULL);

	// get moniker & object information
	LPMONIKER lpmk;
	if (lpOleLink->GetSourceMoniker(&lpmk) == S_OK)
	{
		if (lplenFileName != NULL)
			*lplenFileName = _AfxOleGetLenFilePrefixOfMoniker(lpmk);
		lpmk->Release();
	}


	// attempt to get the type names of the link
	if (lplpszFullLinkType != NULL)
	{
		LPOLESTR lpOleStr = NULL;
		pItem->m_lpObject->GetUserType(USERCLASSTYPE_FULL, &lpOleStr);
		*lplpszFullLinkType = TASKSTRINGOLE2T(lpOleStr);
		if (*lplpszFullLinkType == NULL)
		{
			TCHAR szUnknown[256];
			VERIFY(AfxLoadString(AFX_IDS_UNKNOWNTYPE, szUnknown) != 0);
			*lplpszFullLinkType = AfxAllocTaskString(szUnknown);
		}
	}
	if (lplpszShortLinkType != NULL)
	{
		LPOLESTR lpOleStr = NULL;
		pItem->m_lpObject->GetUserType(USERCLASSTYPE_SHORT, &lpOleStr);
		*lplpszShortLinkType = TASKSTRINGOLE2T(lpOleStr);
		if (*lplpszShortLinkType == NULL)
		{
			TCHAR szUnknown[256];
			VERIFY(AfxLoadString(AFX_IDS_UNKNOWNTYPE, szUnknown) != 0);
			*lplpszShortLinkType = AfxAllocTaskString(szUnknown);
		}
	}

	// get source display name for moniker
	LPOLESTR lpOleStr = NULL;
	SCODE sc = lpOleLink->GetSourceDisplayName(&lpOleStr);
	*lplpszDisplayName = TASKSTRINGOLE2T(lpOleStr);
	lpOleLink->Release();
	if (sc != S_OK)
		return sc;

	// see if item is selected if specified
	if (lpfIsSelected)
	{
		*lpfIsSelected = (m_pSelectedItem == pItem);
	}

	return S_OK;
}
예제 #2
0
STDMETHODIMP COlePropertiesDialog::XOleUIObjInfo::GetObjectInfo(
	DWORD dwObject, DWORD* lpdwObjSize, LPTSTR* lplpszLabel,
	LPTSTR* lplpszType, LPTSTR* lplpszShortType, LPTSTR* lplpszLocation)
{
	COleClientItem* pItem = (COleClientItem*)dwObject;
	ASSERT_VALID(pItem);
	BOOL bIsLink = (pItem->GetType() == OT_LINK);

	if (lpdwObjSize != NULL)
	{
		ASSERT(pItem->m_lpStorage != NULL);

		// try ILockBytes first, then IStorage
		STATSTG statStg;
		if ((pItem->m_lpLockBytes == NULL ||
			pItem->m_lpLockBytes->Stat(&statStg, STATFLAG_NONAME) != S_OK) &&
			pItem->m_lpStorage->Stat(&statStg, STATFLAG_NONAME) != S_OK)
		{
			*lpdwObjSize = 0xFFFFFFFF;
		}
		else
		{
			ASSERT(statStg.pwcsName == NULL);
			if (statStg.cbSize.HighPart > 0)
				*lpdwObjSize = 0xFFFFFFFE;
			else if (statStg.cbSize.LowPart == 0)
				*lpdwObjSize = 0xFFFFFFFF;
			else
				*lpdwObjSize = statStg.cbSize.LowPart;
		}
	}

	if (lplpszLabel != NULL)
	{
		TCHAR szFormatLink[128];
		AfxLoadString(AFX_IDS_PASTELINKEDTYPE, szFormatLink, _countof(szFormatLink));
		TCHAR szFormatObj[] = _T("%s");
		LPTSTR lpszFormat = bIsLink ? szFormatLink : szFormatObj;
		CString strType;
		pItem->GetUserType(USERCLASSTYPE_FULL, strType);
		CString strResult;
		strResult.Format(lpszFormat, (LPCTSTR)strType);
		*lplpszLabel = AfxAllocTaskString(strResult);
	}

	if (lplpszType != NULL)
	{
		LPOLESTR lpOleStr;
		pItem->m_lpObject->GetUserType(USERCLASSTYPE_FULL, &lpOleStr);
		*lplpszType = TASKSTRINGOLE2T(lpOleStr);
	}

	if (lplpszShortType != NULL)
	{
		LPOLESTR lpOleStr;
		pItem->m_lpObject->GetUserType(USERCLASSTYPE_SHORT, &lpOleStr);
		*lplpszShortType = TASKSTRINGOLE2T(lpOleStr);
	}

	if (lplpszLocation != NULL)
	{
		if (bIsLink)
		{
			LPOLELINK lpOleLink = NULL;
			pItem->m_lpObject->QueryInterface(IID_IOleLink, (LPVOID*)&lpOleLink);
			ASSERT(lpOleLink != NULL);
			LPOLESTR lpOleStr;
			lpOleLink->GetSourceDisplayName(&lpOleStr);
			*lplpszLocation = TASKSTRINGOLE2T(lpOleStr);
			lpOleLink->Release();
		}
		else
		{
			CDocument* pDoc = (CDocument*)pItem->GetDocument();
			CString strLocation = pDoc->GetPathName();
			if (strLocation.IsEmpty())
				strLocation = pDoc->GetTitle();
			*lplpszLocation = AfxAllocTaskString(strLocation);
		}
	}

	return S_OK;
}