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PostgreSQL/libpqxx Class Generator

, 18 Aug 2006
Automated generation of PostgreSQL data transfer classes.
#pragma once

class PGWizardPageBase : public CPropertyPageImpl<T, TBase>
{
	typedef CPropertyPageImpl<T, TBase> baseClass;

protected:
	virtual bool usesMessageList() { return false; }

public:
	PGWizardPageBase(void)
	{
	}

	BEGIN_MSG_MAP(PGWizardPageBase)
		MESSAGE_HANDLER(WM_INITDIALOG, OnInitDialog)
		MESSAGE_HANDLER(WMU_SETSTATUSMSG, OnSetStatusMsg)
		CHAIN_MSG_MAP(baseClass)
	END_MSG_MAP()

	// Message Handlers
	LRESULT OnInitDialog(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
	{
		_bkgnd.SubclassWindow(GetDlgItem(IDC_BANNER));
		_bkgnd.SetImageRsrc(IDJ_EMAILBANNER, ENUM_cimage_format_jpeg);
		CImage* img = _bkgnd.getImage();
		_bkgnd.SetWindowPos(0, 0, 0, img->GetWidth(), img->GetHeight(), SWP_NOMOVE | SWP_NOZORDER);
		return TRUE;
	}

	LRESULT OnSetStatusMsg(UINT /*uMsg*/, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
	{
		const char* szMsg = (const char*)lParam;
		bool bShouldClear = (wParam == 0);
		CEdit eStatus = GetDlgItem(IDC_STATUSTEXT);

		if (bShouldClear)
		{
			eStatus.SetWindowText(szMsg);
		}
		else
		{
			int textLen = eStatus.GetWindowTextLength();
			eStatus.SetSel(textLen, textLen);
			eStatus.ReplaceSel(szMsg);
		}
		return 0;
	}

	LRESULT OnWizardNext()
	{
		if (usesMessageList())
		{
			GlobalData& gd = GlobalDataS::instance();
			CListViewCtrl lvc = GetDlgItem(IDC_MESSAGES);
			EmailWizardManager& ewm = EmailWizardManagerS::instance();
			pqxx::work TRX(gd.dbConn(), "EmailNext");
			Database::CEmailLogRS elrs;
			char buf[24];
			int ctr = 0;

			ewm.clear();
			for (ctr = 0; ctr < lvc.GetItemCount(); ctr++)
			{
				if (lvc.GetCheckState(ctr))
				{
					sprintf(buf, "id=%d", (int)lvc.GetItemData(ctr));
					elrs.where(buf);
					pqxx::result dbr = TRX.exec(elrs.query());
					pqxx::result::const_iterator rsit = dbr.begin();
					if (rsit != dbr.end())
					{
						elrs = rsit;
						ewm.push_back(elrs.uidl);
						++rsit;
					}
				}
			}
			TRX.commit();

			// Save the column header sizes.
			CHeaderCtrl hdr = lvc.GetHeader();
			COLDEFVECTOR cdv = gd.emailCols();
			ctr = 0;
			while (ctr < hdr.GetItemCount())
			{
				HDITEM hdi;
				memset(&hdi, 0, sizeof(hdi));
				hdi.mask = HDI_FORMAT | HDI_ORDER | HDI_WIDTH;
				hdr.GetItem(ctr, &hdi);
				cdv[ctr].align = hdi.fmt & 0x0003;
				cdv[ctr].position = hdi.iOrder;
				cdv[ctr].width = hdi.cxy;
				++ctr;
			}
			gd.emailCols(cdv);
		}
		return 0;
	}
};

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_oti
Australia Australia
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