| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: dbgrid.h |
| 3 | // Purpose: Displays a wxDbTable in a wxGrid. |
| 4 | // Author: Roger Gammans, Paul Gammans |
| 5 | // Modified by: |
| 6 | // Created: |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 1999 The Computer Surgery (roger@computer-surgery.co.uk) |
| 9 | // Licence: wxWindows licence |
| 10 | /////////////////////////////////////////////////////////////////////////////// |
| 11 | // Branched From : dbgrid.h,v 1.19 2001/03/28 11:16:01 |
| 12 | /////////////////////////////////////////////////////////////////////////////// |
| 13 | |
| 14 | #ifndef _WX_GENERIC_DBGRID_H_ |
| 15 | #define _WX_GENERIC_DBGRID_H_ |
| 16 | |
| 17 | #if wxUSE_ODBC |
| 18 | #if wxUSE_GRID |
| 19 | |
| 20 | #include "wx/log.h" |
| 21 | #include "wx/dbtable.h" |
| 22 | #include "wx/dynarray.h" |
| 23 | #include "wx/grid.h" |
| 24 | #include "wx/dbkeyg.h" |
| 25 | |
| 26 | #define wxGRID_VALUE_DBAUTO _T("dbauto") |
| 27 | |
| 28 | WX_DECLARE_USER_EXPORTED_OBJARRAY(GenericKey,keyarray,WXDLLIMPEXP_DBGRID); |
| 29 | |
| 30 | static const int wxUSE_QUERY = -1; |
| 31 | |
| 32 | class WXDLLIMPEXP_DBGRID wxDbGridColInfoBase |
| 33 | { |
| 34 | public: |
| 35 | //Default ctor |
| 36 | wxDbGridColInfoBase() { } |
| 37 | wxDbGridColInfoBase(int colNo, |
| 38 | wxString type, wxString title) : |
| 39 | DbCol(colNo), |
| 40 | wxtypename(type), |
| 41 | Title(title) |
| 42 | { } |
| 43 | //Copy Ctor |
| 44 | wxDbGridColInfoBase(const wxDbGridColInfoBase& ref) |
| 45 | { |
| 46 | DbCol = ref.DbCol; |
| 47 | wxtypename = ref.wxtypename; |
| 48 | Title = ref.Title; |
| 49 | } |
| 50 | //Empty destructor for member obj's |
| 51 | ~wxDbGridColInfoBase() {} |
| 52 | |
| 53 | int DbCol; |
| 54 | wxString wxtypename; |
| 55 | wxString Title; |
| 56 | }; |
| 57 | |
| 58 | |
| 59 | class WXDLLIMPEXP_DBGRID wxDbGridColInfo |
| 60 | { |
| 61 | public: |
| 62 | wxDbGridColInfo(int colNo, |
| 63 | wxString type, |
| 64 | wxString title, |
| 65 | wxDbGridColInfo *next) : |
| 66 | m_data(colNo,type,title) |
| 67 | { |
| 68 | m_next=next; |
| 69 | } |
| 70 | |
| 71 | //Empty List |
| 72 | ~wxDbGridColInfo() { delete m_next; } |
| 73 | |
| 74 | //Recurse to find length. |
| 75 | int Length() { return (m_next ? m_next->Length() +1 : 1); } |
| 76 | |
| 77 | // Adds a new column info (2 step creation) |
| 78 | void AddColInfo (int colNo, |
| 79 | wxString type, |
| 80 | wxString title) |
| 81 | { |
| 82 | GetLast()->m_next = new wxDbGridColInfo (colNo, type, title, NULL); |
| 83 | } |
| 84 | |
| 85 | // Searches last |
| 86 | wxDbGridColInfo *GetLast() { return (m_next ? m_next->GetLast() : this); } |
| 87 | |
| 88 | |
| 89 | protected: |
| 90 | wxDbGridColInfoBase m_data; |
| 91 | wxDbGridColInfo *m_next; |
| 92 | |
| 93 | friend class wxDbGridTableBase; |
| 94 | }; |
| 95 | |
| 96 | |
| 97 | class WXDLLIMPEXP_DBGRID wxDbGridCellAttrProvider : public wxGridCellAttrProvider |
| 98 | { |
| 99 | public: |
| 100 | wxDbGridCellAttrProvider(); |
| 101 | wxDbGridCellAttrProvider(wxDbTable *tab, wxDbGridColInfoBase* ColInfo); |
| 102 | virtual ~wxDbGridCellAttrProvider(); |
| 103 | |
| 104 | virtual wxGridCellAttr *GetAttr(int row, int col, |
| 105 | wxGridCellAttr::wxAttrKind kind) const; |
| 106 | virtual void AssignDbTable(wxDbTable *tab); |
| 107 | private: |
| 108 | wxDbTable *m_data; |
| 109 | wxDbGridColInfoBase *m_ColInfo; |
| 110 | }; |
| 111 | |
| 112 | |
| 113 | class WXDLLIMPEXP_DBGRID wxDbGridTableBase : public wxGridTableBase |
| 114 | { |
| 115 | public: |
| 116 | wxDbGridTableBase(wxDbTable *tab, wxDbGridColInfo *ColInfo, |
| 117 | int count = wxUSE_QUERY, bool takeOwnership = true); |
| 118 | virtual ~wxDbGridTableBase(); |
| 119 | |
| 120 | virtual int GetNumberRows() |
| 121 | { |
| 122 | wxLogDebug(_T(" GetNumberRows() = %i"),m_rowtotal); |
| 123 | return m_rowtotal; |
| 124 | } |
| 125 | virtual int GetNumberCols() |
| 126 | { |
| 127 | wxLogDebug(_T(" GetNumberCols() = %i"),m_nocols); |
| 128 | return m_nocols; |
| 129 | } |
| 130 | virtual bool IsEmptyCell(int row, int col) ; |
| 131 | virtual wxString GetValue(int row, int col) ; |
| 132 | virtual void SetValue(int row, int col, const wxString& value); |
| 133 | virtual bool CanHaveAttributes(); |
| 134 | virtual wxString GetTypeName(int row, int col); |
| 135 | virtual bool CanGetValueAs(int row, int col, const wxString& typeName); |
| 136 | virtual bool CanSetValueAs(int row, int col, const wxString& typeName); |
| 137 | virtual long GetValueAsLong(int row, int col); |
| 138 | virtual double GetValueAsDouble(int row, int col); |
| 139 | virtual bool GetValueAsBool(int row, int col); |
| 140 | virtual void SetValueAsLong(int row, int col, long value); |
| 141 | virtual void SetValueAsDouble(int row, int col, double value); |
| 142 | virtual void SetValueAsBool(int row, int col, bool value); |
| 143 | virtual void *GetValueAsCustom(int row, int col, const wxString& typeName); |
| 144 | virtual void SetValueAsCustom(int row, int col, const wxString& typeName, void* value); |
| 145 | |
| 146 | |
| 147 | virtual wxString GetColLabelValue(int col); |
| 148 | |
| 149 | virtual bool AssignDbTable(wxDbTable *tab, int count = wxUSE_QUERY, bool takeOwnership=true); |
| 150 | virtual void ValidateRow(int row); |
| 151 | virtual bool UpdateRow(int row) const |
| 152 | { |
| 153 | if (m_row != row) |
| 154 | return true; |
| 155 | else |
| 156 | return Writeback(); |
| 157 | } |
| 158 | |
| 159 | private: |
| 160 | //Operates on the current row |
| 161 | bool Writeback() const; |
| 162 | |
| 163 | typedef wxGridTableBase inherited; |
| 164 | keyarray m_keys; |
| 165 | wxDbTable *m_data; |
| 166 | bool m_dbowner; |
| 167 | int m_rowtotal; |
| 168 | int m_nocols; |
| 169 | int m_row; |
| 170 | wxDbGridColInfoBase *m_ColInfo; |
| 171 | bool m_rowmodified; |
| 172 | }; |
| 173 | |
| 174 | #endif // #if wxUSE_GRID |
| 175 | #endif // #if wxUSE_ODBC |
| 176 | |
| 177 | #endif // _WX_GENERIC_DBGRID_H_ |