| 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 defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 18 | #pragma interface "dbgrid.h" |
| 19 | #endif |
| 20 | |
| 21 | #if wxUSE_ODBC |
| 22 | #if wxUSE_GRID |
| 23 | |
| 24 | #include "wx/log.h" |
| 25 | #include "wx/dbtable.h" |
| 26 | #include "wx/dynarray.h" |
| 27 | #include "wx/grid.h" |
| 28 | #include "wx/dbkeyg.h" |
| 29 | |
| 30 | #define wxGRID_VALUE_DBAUTO _T("dbauto") |
| 31 | |
| 32 | WX_DECLARE_USER_EXPORTED_OBJARRAY(GenericKey,keyarray,WXDLLIMPEXP_DBGRID); |
| 33 | |
| 34 | static const int wxUSE_QUERY = -1; |
| 35 | |
| 36 | class WXDLLIMPEXP_DBGRID wxDbGridColInfoBase |
| 37 | { |
| 38 | public: |
| 39 | //Default ctor |
| 40 | wxDbGridColInfoBase() { } |
| 41 | wxDbGridColInfoBase(int colNo, |
| 42 | wxString type, wxString title) : |
| 43 | DbCol(colNo), |
| 44 | wxtypename(type), |
| 45 | Title(title) |
| 46 | { } |
| 47 | //Copy Ctor |
| 48 | wxDbGridColInfoBase(const wxDbGridColInfoBase& ref) |
| 49 | { |
| 50 | DbCol = ref.DbCol; |
| 51 | wxtypename = ref.wxtypename; |
| 52 | Title = ref.Title; |
| 53 | } |
| 54 | //Empty destructor for member obj's |
| 55 | ~wxDbGridColInfoBase() {} |
| 56 | |
| 57 | int DbCol; |
| 58 | wxString wxtypename; |
| 59 | wxString Title; |
| 60 | }; |
| 61 | |
| 62 | |
| 63 | class WXDLLIMPEXP_DBGRID wxDbGridColInfo |
| 64 | { |
| 65 | public: |
| 66 | wxDbGridColInfo(int colNo, |
| 67 | wxString type, |
| 68 | wxString title, |
| 69 | wxDbGridColInfo *next) : |
| 70 | m_data(colNo,type,title) |
| 71 | { |
| 72 | m_next=next; |
| 73 | } |
| 74 | |
| 75 | //Empty List |
| 76 | ~wxDbGridColInfo() { delete m_next; } |
| 77 | |
| 78 | //Recurse to find length. |
| 79 | int Length() { return (m_next ? m_next->Length() +1 : 1); } |
| 80 | |
| 81 | // Adds a new column info (2 step creation) |
| 82 | void AddColInfo (int colNo, |
| 83 | wxString type, |
| 84 | wxString title) |
| 85 | { |
| 86 | GetLast()->m_next = new wxDbGridColInfo (colNo, type, title, NULL); |
| 87 | } |
| 88 | |
| 89 | // Searches last |
| 90 | wxDbGridColInfo *GetLast() { return (m_next ? m_next->GetLast() : this); } |
| 91 | |
| 92 | |
| 93 | protected: |
| 94 | wxDbGridColInfoBase m_data; |
| 95 | wxDbGridColInfo *m_next; |
| 96 | |
| 97 | friend class wxDbGridTableBase; |
| 98 | }; |
| 99 | |
| 100 | |
| 101 | class WXDLLIMPEXP_DBGRID wxDbGridCellAttrProvider : public wxGridCellAttrProvider |
| 102 | { |
| 103 | public: |
| 104 | wxDbGridCellAttrProvider(); |
| 105 | wxDbGridCellAttrProvider(wxDbTable *tab, wxDbGridColInfoBase* ColInfo); |
| 106 | virtual ~wxDbGridCellAttrProvider(); |
| 107 | |
| 108 | virtual wxGridCellAttr *GetAttr(int row, int col, |
| 109 | wxGridCellAttr::wxAttrKind kind) const; |
| 110 | virtual void AssignDbTable(wxDbTable *tab); |
| 111 | private: |
| 112 | wxDbTable *m_data; |
| 113 | wxDbGridColInfoBase *m_ColInfo; |
| 114 | }; |
| 115 | |
| 116 | |
| 117 | class WXDLLIMPEXP_DBGRID wxDbGridTableBase : public wxGridTableBase |
| 118 | { |
| 119 | public: |
| 120 | wxDbGridTableBase(wxDbTable *tab, wxDbGridColInfo *ColInfo, |
| 121 | int count = wxUSE_QUERY, bool takeOwnership = TRUE); |
| 122 | ~wxDbGridTableBase(); |
| 123 | |
| 124 | virtual int GetNumberRows() |
| 125 | { |
| 126 | wxLogDebug(_T(" GetNumberRows() = %i"),m_rowtotal); |
| 127 | return m_rowtotal; |
| 128 | } |
| 129 | virtual int GetNumberCols() |
| 130 | { |
| 131 | wxLogDebug(_T(" GetNumberCols() = %i"),m_nocols); |
| 132 | return m_nocols; |
| 133 | } |
| 134 | virtual bool IsEmptyCell(int row, int col) ; |
| 135 | virtual wxString GetValue(int row, int col) ; |
| 136 | virtual void SetValue(int row, int col, const wxString& value); |
| 137 | virtual bool CanHaveAttributes(); |
| 138 | virtual wxString GetTypeName(int row, int col); |
| 139 | virtual bool CanGetValueAs(int row, int col, const wxString& typeName); |
| 140 | virtual bool CanSetValueAs(int row, int col, const wxString& typeName); |
| 141 | virtual long GetValueAsLong(int row, int col); |
| 142 | virtual double GetValueAsDouble(int row, int col); |
| 143 | virtual bool GetValueAsBool(int row, int col); |
| 144 | virtual void SetValueAsLong(int row, int col, long value); |
| 145 | virtual void SetValueAsDouble(int row, int col, double value); |
| 146 | virtual void SetValueAsBool(int row, int col, bool value); |
| 147 | virtual void *GetValueAsCustom(int row, int col, const wxString& typeName); |
| 148 | virtual void SetValueAsCustom(int row, int col, const wxString& typeName, void* value); |
| 149 | |
| 150 | |
| 151 | virtual wxString GetColLabelValue(int col); |
| 152 | |
| 153 | virtual bool AssignDbTable(wxDbTable *tab, int count = wxUSE_QUERY, bool takeOwnership=TRUE); |
| 154 | virtual void ValidateRow(int row); |
| 155 | virtual bool UpdateRow(int row) const |
| 156 | { |
| 157 | if (m_row != row) |
| 158 | return TRUE; |
| 159 | else |
| 160 | return Writeback(); |
| 161 | } |
| 162 | |
| 163 | private: |
| 164 | //Operates on the current row |
| 165 | bool Writeback() const; |
| 166 | |
| 167 | typedef wxGridTableBase inherited; |
| 168 | keyarray m_keys; |
| 169 | wxDbTable *m_data; |
| 170 | bool m_dbowner; |
| 171 | int m_rowtotal; |
| 172 | int m_nocols; |
| 173 | int m_row; |
| 174 | wxDbGridColInfoBase *m_ColInfo; |
| 175 | bool m_rowmodified; |
| 176 | }; |
| 177 | |
| 178 | #endif // #if wxUSE_GRID |
| 179 | #endif // #if wxUSE_ODBC |
| 180 | |
| 181 | #endif // _WX_GENERIC_DBGRID_H_ |