wxWidgets/include/wx/dbgrid.h

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///////////////////////////////////////////////////////////////////////////////
// Name: dbgrid.h
// Purpose: Displays a wxDbTable in a wxGrid.
// Author: Roger Gammans, Paul Gammans
// Modified by:
// Created:
// RCS-ID: $Id$
// Copyright: (c) 1999 The Computer Surgery (roger@computer-surgery.co.uk)
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// Branched From : dbgrid.h,v 1.19 2001/03/28 11:16:01
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_GENERIC_DBGRID_H_
#define _WX_GENERIC_DBGRID_H_
#ifdef __GNUG__
#pragma interface "dbgrid.h"
#endif
#if wxUSE_ODBC
#if wxUSE_NEW_GRID
#include "wx/log.h"
#include "wx/dbtable.h"
#include "wx/dynarray.h"
#include "wx/grid.h"
#include "wx/dbkeyg.h"
#define wxGRID_VALUE_DBAUTO _T("dbauto")
WX_DECLARE_OBJARRAY(GenericKey,keyarray);
static const int wxUSE_QUERY = -1;
class wxDbGridColInfoBase
{
public:
//Default ctor
wxDbGridColInfoBase() { }
wxDbGridColInfoBase(int colNo,
wxString type, wxString title) :
DbCol(colNo),
wxtypename(type),
Title(title)
{ }
//Copy Ctor
wxDbGridColInfoBase(const wxDbGridColInfoBase& ref)
{
DbCol = ref.DbCol;
wxtypename = ref.wxtypename;
Title = ref.Title;
}
//Empty destructor for member obj's
~wxDbGridColInfoBase() {}
int DbCol;
wxString wxtypename;
wxString Title;
};
class wxDbGridColInfo
{
public:
wxDbGridColInfo(int colNo,
wxString type,
wxString title,
wxDbGridColInfo *next) :
m_data(colNo,type,title)
{
m_next=next;
}
//Empty List
~wxDbGridColInfo() { delete m_next; }
//Recurse to find length.
int Length() { return (m_next ? m_next->Length() +1 : 1); }
protected:
wxDbGridColInfoBase m_data;
wxDbGridColInfo *m_next;
friend class wxDbGridTableBase;
};
class wxDbGridCellAttrProvider : public wxGridCellAttrProvider
{
public:
wxDbGridCellAttrProvider();
wxDbGridCellAttrProvider(wxDbTable *tab, wxDbGridColInfoBase* ColInfo);
virtual ~wxDbGridCellAttrProvider();
virtual wxGridCellAttr *GetAttr(int row, int col,
wxGridCellAttr::wxAttrKind kind) const;
virtual void AssignDbTable(wxDbTable *tab);
private:
wxDbTable *m_data;
wxDbGridColInfoBase *m_ColInfo;
};
class wxDbGridTableBase : public wxGridTableBase
{
public:
wxDbGridTableBase(wxDbTable *tab, wxDbGridColInfo *ColInfo,
int count = wxUSE_QUERY, bool takeOwnership = TRUE);
~wxDbGridTableBase();
virtual int GetNumberRows()
{
wxLogDebug(" GetNumberRows() = %i",m_rowtotal);
return m_rowtotal;
}
virtual int GetNumberCols()
{
wxLogDebug(" GetNumberCols() = %i",m_nocols);
return m_nocols;
}
virtual bool IsEmptyCell(int row, int col) ;
virtual wxString GetValue(int row, int col) ;
virtual void SetValue(int row, int col, const wxString& value);
virtual bool CanHaveAttributes();
virtual wxString GetTypeName(int row, int col);
virtual bool CanGetValueAs(int row, int col, const wxString& typeName);
virtual bool CanSetValueAs(int row, int col, const wxString& typeName);
virtual long GetValueAsLong(int row, int col);
virtual double GetValueAsDouble(int row, int col);
virtual bool GetValueAsBool(int row, int col);
virtual void SetValueAsLong(int row, int col, long value);
virtual void SetValueAsDouble(int row, int col, double value);
virtual void SetValueAsBool(int row, int col, bool value);
virtual void *GetValueAsCustom(int row, int col, const wxString& typeName);
virtual void SetValueAsCustom(int row, int col, const wxString& typeName, void* value);
virtual wxString wxDbGridTableBase::GetColLabelValue(int col);
virtual bool AssignDbTable(wxDbTable *tab, int count = wxUSE_QUERY, bool takeOwnership=TRUE);
virtual void ValidateRow(int row);
virtual bool UpdateRow(int row) const
{
if (m_row != row)
return TRUE;
else
return Writeback();
}
private:
//Operates on the current row
bool Writeback() const;
typedef wxGridTableBase inherited;
keyarray m_keys;
wxDbTable *m_data;
bool m_dbowner;
int m_rowtotal;
int m_nocols;
int m_row;
wxDbGridColInfoBase *m_ColInfo;
bool m_rowmodified;
};
#endif // #if wxUSE_NEW_GRID
#endif // #if wxUSE_ODBC
#endif // _WX_GENERIC_DBGRID_H_