C++ (Cpp) CustViewDaPtr::get_VecItem示例

示例#1

/*----------------------------------------------------------------------------------------------
	Check the requirments of the FldSpec, and verify that data in the field meets the
	requirement. It returns:
		kFTReqNotReq if the all requirements are met.
		kFTReqWs if data is missing, but it is encouraged.
		kFTReqReq if data is missing, but it is required.
----------------------------------------------------------------------------------------------*/
FldReq AfDeFeSt::HasRequiredData()
{
	if (m_qfsp->m_fRequired == kFTReqNotReq)
		return kFTReqNotReq;
	CustViewDaPtr qcvd;
	GetDataAccess(&qcvd);
	AssertPtr(qcvd);
	bool fEmpty = true;
	ITsStringPtr qtss;
	int cch = 0;
	HVO hvoPara;
	int iPara;

	if (!m_hvoText)
		goto LExit;

	int cPara;
	CheckHr(qcvd->get_VecSize(m_hvoText, kflidStText_Paragraphs, &cPara));
	if (!cPara)
		goto LExit;

	// Make sure at least some paragraph has data.
	for (iPara = 0; iPara < cPara; ++iPara)
	{
		CheckHr(qcvd->get_VecItem(m_hvoText, kflidStText_Paragraphs, iPara, &hvoPara));
		// At some point we may need to handle something other than StTxtPara.
		CheckHr(qcvd->get_StringProp(hvoPara, kflidStTxtPara_Contents, &qtss));
		if (qtss)
			CheckHr(qtss->get_Length(&cch));
		if (cch)
			break; // Have a valid string
	}

	fEmpty = iPara == cPara;

LExit:
	if (fEmpty)
		return m_qfsp->m_fRequired;
	else
		return kFTReqNotReq;
}