#ifndef __GRIDVIEW_H
#define __GRIDVIEW_H

// MatDlg.h : header file
//

/////////////////////////////////////////////////////////////////////////////
// CMatDlg dialog
//{{AFX_INCLUDES()
//#include "TrueDbGrid50.h"
//}}AFX_INCLUDES
class CFieldHead 
{
public:
    XString m_sName;
    XString m_sDesc;
    short m_nWidth;
    BOOL m_bWritable;
    int m_nDataType; //Use VARIANT data type flag
    XString m_sDataFormat;
public:
    CFieldHead() {m_bWritable=TRUE; m_nDataType=VT_BSTR;}
    CFieldHead(const TCHAR *name, const TCHAR *desc, short w, BOOL bW=TRUE, int nT=VT_BSTR, const TCHAR *szFormat=NULL):
        m_sName(name), m_sDesc(desc), m_nWidth(w), m_bWritable(bW), m_nDataType(nT)
        {
            if(szFormat) m_sDataFormat=szFormat;
        }
    CFieldHead(const CFieldHead &src) {
        *this = src;
    }
    CFieldHead & operator = (const CFieldHead &src) {
        m_sName=src.m_sName;
        m_sDesc=src.m_sDesc;
        m_nWidth=src.m_nWidth;
        m_bWritable = src.m_bWritable;
        m_nDataType = src.m_nDataType;
        m_sDataFormat = src.m_sDataFormat;
        return *this;
    }
    int operator !() {
        return !m_sName;
    }
    BOOL IsNumeric() {
        return (m_nDataType==VT_I2 || m_nDataType==VT_I4 || m_nDataType==VT_R4 || m_nDataType==VT_R8);
    }
    BOOL IsInteger() {
        return (m_nDataType==VT_I2 || m_nDataType==VT_I4);
    }
};


// modify by xlc on 090902  消除tg5lib影响
// 下面的类，辅助CTrueDBGrid50_TDBGrid类，已经不再使用
//#if ADS<18
#if 0
class CGridView : public CFormView
{
// Construction
protected:
    CGridView():CFormView(0U) {ASSERT(0);}
	CGridView(UINT id);   // standard constructor
	DECLARE_DYNCREATE(CGridView)
public:

// Dialog Data
	//{{AFX_DATA(CMatDlg)
	CTrueDBGrid50_TDBGrid	m_grid;
	//}}AFX_DATA

    CodeBase m_db;
	XDbfTable *m_pTable;
	DList<long> m_lstBookmarks; // All the valid record number
	int m_nCurIndex;
    BOOL m_bAscend;
	CString m_sSortFieldName;

    DList<CFieldHead> m_lstHeadInfo;

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CGridView)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
    BOOL m_bReadEnable;

	BOOL IsBOF() { return m_nCurIndex<=-1; }
	BOOL IsEOF() { return m_nCurIndex>=m_lstBookmarks.Length(); }
	void MoveNext()	{
		m_nCurIndex ++;
	}
	BOOL MoveTo(long bookmark);
	void Move(long offset);
	void GetBookmarks(BOOL bRetriveFromDbf);
	void ConfigGrid();
    void OnDocFileChanged();
    void ReadData(CTrueDBGrid50_RowBuffer &RowBuffer, VARIANT FAR* StartLocation, long offset, long FAR* ApproximatePosition);
    virtual XDbfTable *OpenDbfTable() { return NULL; }

	// Generated message map functions
	//{{AFX_MSG(CGridView)
	virtual void OnInitialUpdate();
	afx_msg void OnUnboundReadDataExMatgrid(LPDISPATCH RowBuf, VARIANT FAR* StartLocation, long offset, long FAR* ApproximatePosition);
	afx_msg void OnUnboundWriteDataMatgrid(LPDISPATCH RowBuf, VARIANT FAR* WriteLocation);
	afx_msg void OnUnboundAddDataMatgrid(LPDISPATCH RowBuf, VARIANT FAR* NewRowBookmark);
	afx_msg void OnUnboundDeleteRowMatgrid(VARIANT FAR* Bookmark);
	afx_msg void OnHeadClickMatgrid(short ColIndex);
	DECLARE_EVENTSINK_MAP()
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};
#endif


#endif