src/common/dbgrid.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        dbgrid.cpp
   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.cpp,v 1.18 2000/12/19 13:00:58
  12 ///////////////////////////////////////////////////////////////////////////////
  13
  14 #ifdef __GNUG__
  15     #pragma implementation "dbgrid.h"
  16 #endif
  17
  18 #include "wx/wxprec.h"
  19
  20 #ifdef __BORLANDC__
  21     #pragma hdrstop
  22 #endif
  23
  24
  25 #if wxUSE_ODBC
  26 #if wxUSE_NEW_GRID
  27
  28 #ifndef WX_PRECOMP
  29     #include "wx/textctrl.h"
  30     #include "wx/dc.h"
  31 #endif // WX_PRECOMP
  32
  33 #include "wx/generic/gridctrl.h"
  34 #include "wx/dbgrid.h"
  35
  36
  37 wxDbGridCellAttrProvider::wxDbGridCellAttrProvider()
  38 {
  39     m_data=NULL;
  40     m_ColInfo=NULL;
  41 }
  42
  43 wxDbGridCellAttrProvider::wxDbGridCellAttrProvider(wxDbTable *tab, wxDbGridColInfoBase* ColInfo)
  44 {
  45     m_data=tab;
  46     m_ColInfo=ColInfo;
  47 }
  48
  49 wxDbGridCellAttrProvider::~wxDbGridCellAttrProvider()
  50 {
  51 }
  52
  53 wxGridCellAttr *wxDbGridCellAttrProvider::GetAttr(int row, int col,
  54                                       wxGridCellAttr::wxAttrKind  kind) const
  55 {
  56     wxGridCellAttr *attr = wxGridCellAttrProvider::GetAttr(row,col,kind);
  57
  58     if (m_data && m_ColInfo && (m_data->GetNumberOfColumns() > m_ColInfo[col].DbCol))
  59     {
  60         //FIXME: this test could.
  61         //  ??::InsertPending == m_data->get_ModifiedStatus()
  62         //  and if InsertPending use colDef[].InsertAllowed
  63         if (!(m_data->GetColDefs()[(m_ColInfo[col].DbCol)].Updateable))
  64         {
  65             switch(kind)
  66             {
  67                 case (wxGridCellAttr::Any):
  68                     if (!attr)
  69                     {
  70                         attr = new wxGridCellAttr;
  71                         // Store so we don't keep creating / deleting this...
  72                         wxDbGridCellAttrProvider * self = wxConstCast(this, wxDbGridCellAttrProvider) ;
  73                         attr->IncRef();
  74                         self->SetColAttr(attr, col);
  75                         attr->SetReadOnly();
  76                     }
  77                     else
  78                     {
  79                         //We now must check what we were returned. and do the right thing (tm)
  80                         wxGridCellAttr::wxAttrKind attrkind = attr->GetKind();
  81                         if ((attrkind == (wxGridCellAttr::Default)) || (attrkind == (wxGridCellAttr::Cell)) ||
  82                             (attrkind == (wxGridCellAttr::Col)))
  83                         {
  84                                 wxGridCellAttr *attrtomerge = attr;
  85                                 attr = new wxGridCellAttr;
  86                                 attr->SetKind(wxGridCellAttr::Merged);
  87                                 attr->MergeWith(attrtomerge);
  88                                 attr->SetReadOnly();
  89                                 attrtomerge->DecRef();
  90                         }
  91                         attr->SetReadOnly();
  92                     }
  93                 break;
  94                 case (wxGridCellAttr::Col):
  95                     //As we must have a Coll, and were setting Coll attributes
  96                     // we can based on wxdbTable's so just set RO if attr valid
  97                     if (!attr)
  98                     {
  99                         attr = new wxGridCellAttr;
 100                         wxDbGridCellAttrProvider * self = wxConstCast(this, wxDbGridCellAttrProvider) ;
 101                         attr->IncRef();
 102                         self->SetColAttr(attr, col);
 103                     }
 104                     attr->SetReadOnly();
 105                 break;
 106                 default:
 107                     //Dont add RO for...
 108                     //  wxGridCellAttr::Cell - Not required, will inherit on merge from row.
 109                     //  wxGridCellAttr::Row - If wxDbtable ever supports row locking could add
 110                     //                        support to make RO on a row basis also.
 111                     //  wxGridCellAttr::Default - Don't edit this ! or all cell with a attr will become readonly
 112                     //  wxGridCellAttr::Merged - This should never be asked for.
 113                 break;
 114             }
 115         }
 116
 117     }
 118     return attr;
 119 }
 120
 121 void wxDbGridCellAttrProvider::AssignDbTable(wxDbTable *tab)
 122 {
 123     m_data = tab;
 124 }
 125
 126 wxDbGridTableBase::wxDbGridTableBase(wxDbTable *tab, wxDbGridColInfo*  ColInfo,
 127                      int count, bool takeOwnership)  :
 128     m_keys(),
 129     m_data(tab),
 130     m_dbowner(takeOwnership),
 131     m_rowmodified(FALSE)
 132 {
 133
 134     if (count == wxUSE_QUERY)
 135     {
 136         m_rowtotal = m_data ? m_data->Count() : 0;
 137     }
 138     else
 139     {
 140         m_rowtotal = count;
 141     }
 142 //    m_keys.Size(m_rowtotal);
 143     m_row = -1;
 144     if (ColInfo)
 145     {
 146         m_nocols = ColInfo->Length();
 147         m_ColInfo = new wxDbGridColInfoBase[m_nocols];
 148         //Do Copy.
 149         wxDbGridColInfo *ptr = ColInfo;
 150         int i =0;
 151         while (ptr && i < m_nocols)
 152         {
 153             m_ColInfo[i] = ptr->m_data;
 154             ptr = ptr->m_next;
 155             i++;
 156         }
 157 #ifdef __WXDEBUG__
 158         if (ptr)
 159         {
 160             wxLogDebug(wxT("NoCols over length after traversing %i items"),i);
 161         }
 162         if (i < m_nocols)
 163         {
 164             wxLogDebug(wxT("NoCols under length after traversing %i items"),i);
 165         }
 166 #endif
 167     }
 168 }
 169
 170 wxDbGridTableBase::~wxDbGridTableBase()
 171 {
 172     wxDbGridCellAttrProvider *provider;
 173
 174     //Can't check for update here as
 175
 176     //FIXME: should i remove m_ColInfo and m_data from m_attrProvider if a wxDbGridAttrProvider
 177 //    if ((provider = dynamic_cast<wxDbGridCellAttrProvider *>(GetAttrProvider())))
 178      // Using C casting for now until we can support dynamic_cast with wxWindows
 179     provider = (wxDbGridCellAttrProvider *)(GetAttrProvider());
 180     if (provider)
 181     {
 182         provider->AssignDbTable(NULL);
 183     }
 184     delete [] m_ColInfo;
 185
 186     Writeback();
 187     if (m_dbowner)
 188     {
 189         delete m_data;
 190     }
 191 }
 192
 193 bool wxDbGridTableBase::CanHaveAttributes()
 194 {
 195     if (!GetAttrProvider())
 196     {
 197         // use the default attr provider by default
 198         SetAttrProvider(new wxDbGridCellAttrProvider(m_data, m_ColInfo));
 199     }
 200     return TRUE;
 201 }
 202
 203
 204 bool wxDbGridTableBase::AssignDbTable(wxDbTable *tab, int count, bool takeOwnership)
 205 {
 206     wxDbGridCellAttrProvider *provider;
 207
 208     //Remove Information from grid about old data
 209     if (GetView())
 210     {
 211         wxGrid *grid = GetView();
 212         grid->BeginBatch();
 213         grid->ClearSelection();
 214         if (grid->IsCellEditControlEnabled())
 215         {
 216             grid->DisableCellEditControl();
 217         }
 218         wxGridTableMessage msg(this, wxGRIDTABLE_NOTIFY_ROWS_DELETED,0,m_rowtotal);
 219         grid->ProcessTableMessage(msg);
 220     }
 221
 222     //reset our internals...
 223     Writeback();
 224     if (m_dbowner)
 225     {
 226         delete m_data;
 227     }
 228     m_keys.Empty();
 229     m_data = tab;
 230     //FIXME: Remove dynamic_cast before sumision to wxwin
 231 //    if ((provider = dynamic_cast<wxDbGridCellAttrProvider *> (GetAttrProvider())))
 232      // Using C casting for now until we can support dynamic_cast with wxWindows
 233     provider = (wxDbGridCellAttrProvider *)(GetAttrProvider());
 234     if (provider)
 235     {
 236         provider->AssignDbTable(m_data);
 237     }
 238
 239     if (count == wxUSE_QUERY)
 240     {
 241         m_rowtotal = m_data ? m_data->Count() : 0;
 242     }
 243     else
 244     {
 245          m_rowtotal = count;
 246     }
 247     m_row = -1;
 248
 249     //Add Information to grid about new data
 250     if (GetView())
 251     {
 252         wxGrid * grid = GetView();
 253         wxGridTableMessage msg(this, wxGRIDTABLE_NOTIFY_ROWS_APPENDED, m_rowtotal);
 254         grid->ProcessTableMessage(msg);
 255         grid->EndBatch();
 256     }
 257     m_dbowner = takeOwnership;
 258     m_rowmodified = FALSE;
 259     return TRUE;
 260 }
 261
 262 wxString wxDbGridTableBase::GetTypeName(int row, int col)
 263 {
 264     if (GetNumberCols() > col)
 265     {
 266         if (m_ColInfo[col].wxtypename == wxGRID_VALUE_DBAUTO)
 267         {
 268             if (m_data->GetNumberOfColumns() <= m_ColInfo[col].DbCol)
 269             {
 270                 wxFAIL_MSG (_T("You can not use wxGRID_VALUE_DBAUTO for virtual columns"));
 271             }
 272             switch(m_data->GetColDefs()[(m_ColInfo[col].DbCol)].SqlCtype)
 273             {
 274                 case SQL_C_CHAR:
 275                     return wxGRID_VALUE_STRING;
 276                 case SQL_C_SSHORT:
 277                     return wxGRID_VALUE_NUMBER;
 278                 case SQL_C_USHORT:
 279                     return wxGRID_VALUE_NUMBER;
 280                 case SQL_C_SLONG:
 281                     return wxGRID_VALUE_NUMBER;
 282                 case SQL_C_ULONG:
 283                     return wxGRID_VALUE_NUMBER;
 284                 case SQL_C_FLOAT:
 285                     return wxGRID_VALUE_FLOAT;
 286                 case SQL_C_DOUBLE:
 287                     return wxGRID_VALUE_FLOAT;
 288                 case SQL_C_DATE:
 289                     return wxGRID_VALUE_DATETIME;
 290                 case SQL_C_TIME:
 291                     return wxGRID_VALUE_DATETIME;
 292                 case SQL_C_TIMESTAMP:
 293                     return wxGRID_VALUE_DATETIME;
 294                 default:
 295                     return wxGRID_VALUE_STRING;
 296             }
 297         }
 298         else
 299         {
 300             return m_ColInfo[col].wxtypename;
 301         }
 302     }
 303     wxFAIL_MSG (_T("unknown column"));
 304     return wxString();
 305 }
 306
 307 bool wxDbGridTableBase::CanGetValueAs(int row, int col, const wxString& typeName)
 308 {
 309     wxLogDebug(wxT("CanGetValueAs() on %i,%i"),row,col);
 310     //Is this needed? As it will be validated on GetValueAsXXXX
 311     ValidateRow(row);
 312
 313     if (typeName == wxGRID_VALUE_STRING)
 314     {
 315         //FIXME ummm What about blob field etc.
 316         return TRUE;
 317     }
 318
 319     if (m_data->IsColNull(m_ColInfo[col].DbCol))
 320     {
 321         return FALSE;
 322     }
 323
 324     if (m_data->GetNumberOfColumns() <= m_ColInfo[col].DbCol)
 325     {
 326         //If a virtual column then we can't find it's type. we have to
 327         // return FALSE to get using wxVariant.
 328         return FALSE;
 329     }
 330     int sqltype = m_data->GetColDefs()[(m_ColInfo[col].DbCol)].SqlCtype;
 331
 332     if (typeName == wxGRID_VALUE_DATETIME)
 333     {
 334         if ((sqltype == SQL_C_DATE) ||
 335             (sqltype == SQL_C_TIME) ||
 336             (sqltype == SQL_C_TIMESTAMP))
 337         {
 338             return TRUE;
 339         }
 340         return FALSE;
 341     }
 342     if (typeName == wxGRID_VALUE_NUMBER)
 343     {
 344         if ((sqltype == SQL_C_SSHORT) ||
 345             (sqltype == SQL_C_USHORT) ||
 346             (sqltype == SQL_C_SLONG)  ||
 347             (sqltype == SQL_C_ULONG))
 348         {
 349             return TRUE;
 350         }
 351         return FALSE;
 352     }
 353     if (typeName == wxGRID_VALUE_FLOAT)
 354     {
 355         if ((sqltype == SQL_C_SSHORT) ||
 356             (sqltype == SQL_C_USHORT) ||
 357             (sqltype == SQL_C_SLONG)  ||
 358             (sqltype == SQL_C_ULONG)  ||
 359             (sqltype == SQL_C_FLOAT)  ||
 360             (sqltype == SQL_C_DOUBLE))
 361         {
 362             return TRUE;
 363         }
 364         return FALSE;
 365     }
 366     return FALSE;
 367 }
 368
 369 bool wxDbGridTableBase::CanSetValueAs(int row, int col, const wxString& typeName)
 370 {
 371     if (typeName == wxGRID_VALUE_STRING)
 372     {
 373         //FIXME ummm What about blob field etc.
 374         return TRUE;
 375     }
 376
 377     if (!(m_data->GetColDefs()[(m_ColInfo[col].DbCol)].Updateable))
 378     {
 379         return FALSE;
 380     }
 381
 382     if (m_data->GetNumberOfColumns() <= m_ColInfo[col].DbCol)
 383     {
 384         //If a virtual column then we can't find it's type. we have to faulse to
 385         //get using wxVairent.
 386         return FALSE;
 387     }
 388
 389     int sqltype = m_data->GetColDefs()[(m_ColInfo[col].DbCol)].SqlCtype;
 390     if (typeName == wxGRID_VALUE_DATETIME)
 391     {
 392         if ((sqltype == SQL_C_DATE) ||
 393             (sqltype == SQL_C_TIME) ||
 394             (sqltype == SQL_C_TIMESTAMP))
 395         {
 396             return TRUE;
 397         }
 398         return FALSE;
 399     }
 400     if (typeName == wxGRID_VALUE_NUMBER)
 401     {
 402         if ((sqltype == SQL_C_SSHORT) ||
 403             (sqltype == SQL_C_USHORT) ||
 404             (sqltype == SQL_C_SLONG)  ||
 405             (sqltype == SQL_C_ULONG))
 406         {
 407             return TRUE;
 408         }
 409         return FALSE;
 410     }
 411     if (typeName == wxGRID_VALUE_FLOAT)
 412     {
 413         if ((sqltype == SQL_C_SSHORT) ||
 414             (sqltype == SQL_C_USHORT) ||
 415             (sqltype == SQL_C_SLONG)  ||
 416             (sqltype == SQL_C_ULONG)  ||
 417             (sqltype == SQL_C_FLOAT)  ||
 418             (sqltype == SQL_C_DOUBLE))
 419         {
 420             return TRUE;
 421         }
 422         return FALSE;
 423     }
 424     return FALSE;
 425 }
 426
 427 long wxDbGridTableBase::GetValueAsLong(int row, int col)
 428 {
 429     ValidateRow(row);
 430
 431     if (m_data->GetNumberOfColumns() <= m_ColInfo[col].DbCol)
 432     {
 433         wxFAIL_MSG (_T("You can not use GetValueAsLong for virtual columns"));
 434         return 0;
 435     }
 436     int sqltype = m_data->GetColDefs()[(m_ColInfo[col].DbCol)].SqlCtype;
 437     if ((sqltype == SQL_C_SSHORT) ||
 438         (sqltype == SQL_C_USHORT) ||
 439         (sqltype == SQL_C_SLONG) ||
 440         (sqltype == SQL_C_ULONG))
 441     {
 442         wxVariant val = m_data->GetCol(m_ColInfo[col].DbCol);
 443         return val.GetLong();
 444     }
 445     wxFAIL_MSG (_T("unknown column, "));
 446     return 0;
 447 }
 448
 449 double wxDbGridTableBase::GetValueAsDouble(int row, int col)
 450 {
 451     wxLogDebug(wxT("GetValueAsDouble() on %i,%i"),row,col);
 452     ValidateRow(row);
 453
 454     if (m_data->GetNumberOfColumns() <= m_ColInfo[col].DbCol)
 455     {
 456         wxFAIL_MSG (_T("You can not use GetValueAsDouble for virtual columns"));
 457         return 0.0;
 458     }
 459     int sqltype = m_data->GetColDefs()[(m_ColInfo[col].DbCol)].SqlCtype;
 460     if ((sqltype == SQL_C_SSHORT) ||
 461         (sqltype == SQL_C_USHORT) ||
 462         (sqltype == SQL_C_SLONG) ||
 463         (sqltype == SQL_C_ULONG) ||
 464         (sqltype == SQL_C_FLOAT) ||
 465         (sqltype == SQL_C_DOUBLE))
 466     {
 467         wxVariant val = m_data->GetCol(m_ColInfo[col].DbCol);
 468         return val.GetDouble();
 469     }
 470     wxFAIL_MSG (_T("unknown column"));
 471     return 0.0;
 472 }
 473
 474 bool wxDbGridTableBase::GetValueAsBool(int row, int col)
 475 {
 476     wxLogDebug(wxT("GetValueAsBool() on %i,%i"),row,col);
 477     ValidateRow(row);
 478
 479     if (m_data->GetNumberOfColumns() <= m_ColInfo[col].DbCol)
 480     {
 481         wxFAIL_MSG (_T("You can not use GetValueAsBool for virtual columns"));
 482         return 0;
 483     }
 484     int sqltype = m_data->GetColDefs()[(m_ColInfo[col].DbCol)].SqlCtype;
 485     if ((sqltype == SQL_C_SSHORT) ||
 486         (sqltype == SQL_C_USHORT) ||
 487         (sqltype == SQL_C_SLONG) ||
 488         (sqltype == SQL_C_ULONG))
 489     {
 490         wxVariant val = m_data->GetCol(m_ColInfo[col].DbCol);
 491         return val.GetBool();
 492     }
 493     wxFAIL_MSG (_T("unknown column, "));
 494     return 0;
 495 }
 496
 497 void* wxDbGridTableBase::GetValueAsCustom(int row, int col, const wxString& typeName)
 498 {
 499     wxLogDebug(wxT("GetValueAsCustom() on %i,%i"),row,col);
 500     ValidateRow(row);
 501
 502     if (m_data->GetNumberOfColumns() <= m_ColInfo[col].DbCol)
 503     {
 504         wxFAIL_MSG (_T("You can not use GetValueAsCustom for virtual columns"));
 505         return NULL;
 506     }
 507     if (m_data->IsColNull(m_ColInfo[col].DbCol))
 508         return NULL;
 509
 510     if (typeName == wxGRID_VALUE_DATETIME)
 511     {
 512         wxDbColDef *pColDefs = m_data->GetColDefs();
 513         int sqltype = pColDefs[(m_ColInfo[col].DbCol)].SqlCtype;
 514
 515         if ((sqltype == SQL_C_DATE) ||
 516             (sqltype == SQL_C_TIME) ||
 517             (sqltype == SQL_C_TIMESTAMP))
 518         {
 519             wxVariant val = m_data->GetCol(m_ColInfo[col].DbCol);
 520             return new wxDateTime(val.GetDateTime());
 521         }
 522     }
 523     wxFAIL_MSG (_T("unknown column data type "));
 524     return NULL;
 525 }
 526
 527
 528 void wxDbGridTableBase::SetValueAsCustom(int row, int col, const wxString& typeName, void* value)
 529 {
 530     wxLogDebug(wxT("SetValueAsCustom() on %i,%i"),row,col);
 531     ValidateRow(row);
 532
 533     if (m_data->GetNumberOfColumns() <= m_ColInfo[col].DbCol)
 534     {
 535         wxFAIL_MSG (_T("You can not use SetValueAsCustom for virtual columns"));
 536         return;
 537     }
 538
 539     if (typeName == wxGRID_VALUE_DATETIME)
 540     {
 541         int sqltype = m_data->GetColDefs()[(m_ColInfo[col].DbCol)].SqlCtype;
 542         if ((sqltype == SQL_C_DATE) ||
 543             (sqltype == SQL_C_TIME) ||
 544             (sqltype == SQL_C_TIMESTAMP))
 545         {
 546             //FIXME: you can't dynamic_cast from (void *)
 547             //wxDateTime *date = wxDynamicCast(value, wxDateTime);
 548             wxDateTime *date = (wxDateTime *)value;
 549             if (!date)
 550             {
 551                 wxFAIL_MSG (_T("Failed to convert data"));
 552                 return;
 553             }
 554             wxVariant val(date);
 555             m_rowmodified = TRUE;
 556             m_data->SetCol(m_ColInfo[col].DbCol,val);
 557         }
 558     }
 559     wxFAIL_MSG (_T("unknown column data type"));
 560     return ;
 561 }
 562
 563
 564 wxString wxDbGridTableBase::GetColLabelValue(int col)
 565 {
 566     if (GetNumberCols() > col)
 567     {
 568         return m_ColInfo[col].Title;
 569     }
 570     wxFAIL_MSG (_T("unknown column"));
 571     return wxString();
 572 }
 573
 574 bool wxDbGridTableBase::IsEmptyCell(int row, int col)
 575 {
 576     wxLogDebug(wxT("IsEmtpyCell on %i,%i"),row,col);
 577
 578     ValidateRow(row);
 579     return m_data->IsColNull(m_ColInfo[col].DbCol);
 580 }
 581
 582
 583 wxString wxDbGridTableBase::GetValue(int row, int col)
 584 {
 585     wxLogDebug(wxT("GetValue() on %i,%i"),row,col);
 586
 587     ValidateRow(row);
 588     wxVariant val = m_data->GetCol(m_ColInfo[col].DbCol);
 589     wxLogDebug(wxT("\tReturning \"%s\"\n"),val.GetString().c_str());
 590
 591     return val.GetString();
 592 }
 593
 594
 595 void wxDbGridTableBase::SetValue(int row, int col,const wxString& value)
 596 {
 597     wxLogDebug(wxT("SetValue() on %i,%i"),row,col);
 598
 599     ValidateRow(row);
 600     wxVariant val(value);
 601
 602     m_rowmodified = TRUE;
 603     m_data->SetCol(m_ColInfo[col].DbCol,val);
 604 }
 605
 606
 607 void wxDbGridTableBase::SetValueAsLong(int row, int col, long value)
 608 {
 609     wxLogDebug(wxT("SetValueAsLong() on %i,%i"),row,col);
 610
 611     ValidateRow(row);
 612     wxVariant val(value);
 613
 614     m_rowmodified = TRUE;
 615     m_data->SetCol(m_ColInfo[col].DbCol,val);
 616 }
 617
 618
 619 void wxDbGridTableBase::SetValueAsDouble(int row, int col, double value)
 620 {
 621     wxLogDebug(wxT("SetValueAsDouble() on %i,%i"),row,col);
 622
 623     ValidateRow(row);
 624     wxVariant val(value);
 625
 626     m_rowmodified = TRUE;
 627     m_data->SetCol(m_ColInfo[col].DbCol,val);
 628
 629 }
 630
 631
 632 void wxDbGridTableBase::SetValueAsBool(int row, int col, bool value)
 633 {
 634     wxLogDebug(wxT("SetValueAsBool() on %i,%i"),row,col);
 635
 636     ValidateRow(row);
 637     wxVariant val(value);
 638
 639     m_rowmodified = TRUE;
 640     m_data->SetCol(m_ColInfo[col].DbCol,val);
 641 }
 642
 643
 644 void wxDbGridTableBase::ValidateRow(int row)
 645 {
 646     wxLogDebug(wxT("ValidateRow(%i) currently on row (%i). Array count = %i"),row,m_row,m_keys.GetCount());
 647
 648     if (row == m_row)
 649          return;
 650     Writeback();
 651
 652     //We add to row as Count is unsigned!
 653     if ((unsigned)(row+1) > m_keys.GetCount())
 654     {
 655         wxLogDebug(wxT("\trow key unknown"));
 656         // Extend Array, iterate through data filling with keys
 657         m_data->SetRowMode(wxDbTable::WX_ROW_MODE_QUERY);
 658         int trow;
 659         for (trow = m_keys.GetCount(); trow <= row; trow++)
 660         {
 661             wxLogDebug(wxT("Fetching row %i.."), trow);
 662             bool ret = m_data->GetNext();
 663
 664             wxLogDebug(wxT(" ...success=(%i)"),ret);
 665             GenericKey k = m_data->GetKey();
 666             m_keys.Add(k);
 667         }
 668         m_row = row;
 669     }
 670     else
 671     {
 672         wxLogDebug(wxT("\trow key known centering data"));
 673         GenericKey k = m_keys.Item(row);
 674         m_data->SetRowMode(wxDbTable::WX_ROW_MODE_INDIVIDUAL);
 675         m_data->ClearMemberVars();
 676         m_data->SetKey(k);
 677         if (!m_data->QueryOnKeyFields())
 678         {
 679             wxDbLogExtendedErrorMsg("ODBC error during Query()\n\n", m_data->GetDb(),__FILE__,__LINE__);
 680         }
 681
 682         m_data->GetNext();
 683
 684         m_row = row;
 685     }
 686     m_rowmodified = FALSE;
 687 }
 688
 689 bool wxDbGridTableBase::Writeback() const
 690 {
 691     if (!m_rowmodified)
 692     {
 693         return TRUE;
 694     }
 695
 696     bool result=TRUE;
 697     wxLogDebug(wxT("\trow key unknown"));
 698
 699 // FIXME: this code requires dbtable support for record status
 700 #if 0
 701     switch (m_data->get_ModifiedStatus())
 702     {
 703         case wxDbTable::UpdatePending:
 704             result = m_data->Update();
 705            break;
 706         case wxDbTable::InsertPending:
 707             result = (m_data->Insert() == SQL_SUCCESS);
 708         break;
 709         default:
 710             //Nothing
 711         break;
 712     }
 713 #else
 714     wxLogDebug(wxT("WARNING : Row writeback not implemented "));
 715 #endif
 716     return result;
 717 }
 718
 719 #include "wx/arrimpl.cpp"
 720
 721 WX_DEFINE_EXPORTED_OBJARRAY(keyarray);
 722
 723 #endif  // #if wxUSE_NEW_GRID
 724 #endif  // #if wxUSE_ODBC
 725