| 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 | #include "wx/wxprec.h" |
| 15 | |
| 16 | #ifdef __BORLANDC__ |
| 17 | #pragma hdrstop |
| 18 | #endif |
| 19 | |
| 20 | |
| 21 | #if wxUSE_ODBC |
| 22 | #if wxUSE_GRID |
| 23 | |
| 24 | #ifndef WX_PRECOMP |
| 25 | #include "wx/textctrl.h" |
| 26 | #include "wx/dc.h" |
| 27 | #endif // WX_PRECOMP |
| 28 | |
| 29 | #include "wx/generic/gridctrl.h" |
| 30 | #include "wx/dbgrid.h" |
| 31 | |
| 32 | // DLL options compatibility check: |
| 33 | #include "wx/app.h" |
| 34 | WX_CHECK_BUILD_OPTIONS("wxDbGrid") |
| 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 wxWidgets |
| 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 wxWidgets |
| 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 WXUNUSED(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 | #ifdef SQL_C_WCHAR |
| 276 | case SQL_C_WCHAR: |
| 277 | #endif |
| 278 | return wxGRID_VALUE_STRING; |
| 279 | case SQL_C_SHORT: |
| 280 | case SQL_C_SSHORT: |
| 281 | return wxGRID_VALUE_NUMBER; |
| 282 | case SQL_C_USHORT: |
| 283 | return wxGRID_VALUE_NUMBER; |
| 284 | case SQL_C_LONG: |
| 285 | case SQL_C_SLONG: |
| 286 | return wxGRID_VALUE_NUMBER; |
| 287 | case SQL_C_ULONG: |
| 288 | return wxGRID_VALUE_NUMBER; |
| 289 | case SQL_C_FLOAT: |
| 290 | return wxGRID_VALUE_FLOAT; |
| 291 | case SQL_C_DOUBLE: |
| 292 | return wxGRID_VALUE_FLOAT; |
| 293 | case SQL_C_DATE: |
| 294 | return wxGRID_VALUE_DATETIME; |
| 295 | case SQL_C_TIME: |
| 296 | return wxGRID_VALUE_DATETIME; |
| 297 | case SQL_C_TIMESTAMP: |
| 298 | return wxGRID_VALUE_DATETIME; |
| 299 | default: |
| 300 | return wxGRID_VALUE_STRING; |
| 301 | } |
| 302 | } |
| 303 | else |
| 304 | { |
| 305 | return m_ColInfo[col].wxtypename; |
| 306 | } |
| 307 | } |
| 308 | wxFAIL_MSG (_T("unknown column")); |
| 309 | return wxString(); |
| 310 | } |
| 311 | |
| 312 | bool wxDbGridTableBase::CanGetValueAs(int row, int col, const wxString& typeName) |
| 313 | { |
| 314 | wxLogDebug(wxT("CanGetValueAs() on %i,%i"),row,col); |
| 315 | //Is this needed? As it will be validated on GetValueAsXXXX |
| 316 | ValidateRow(row); |
| 317 | |
| 318 | if (typeName == wxGRID_VALUE_STRING) |
| 319 | { |
| 320 | //FIXME ummm What about blob field etc. |
| 321 | return true; |
| 322 | } |
| 323 | |
| 324 | if (m_data->IsColNull((UWORD)m_ColInfo[col].DbCol)) |
| 325 | { |
| 326 | return false; |
| 327 | } |
| 328 | |
| 329 | if (m_data->GetNumberOfColumns() <= m_ColInfo[col].DbCol) |
| 330 | { |
| 331 | //If a virtual column then we can't find it's type. we have to |
| 332 | // return false to get using wxVariant. |
| 333 | return false; |
| 334 | } |
| 335 | int sqltype = m_data->GetColDefs()[(m_ColInfo[col].DbCol)].SqlCtype; |
| 336 | |
| 337 | if (typeName == wxGRID_VALUE_DATETIME) |
| 338 | { |
| 339 | if ((sqltype == SQL_C_DATE) || |
| 340 | (sqltype == SQL_C_TIME) || |
| 341 | (sqltype == SQL_C_TIMESTAMP)) |
| 342 | { |
| 343 | return true; |
| 344 | } |
| 345 | return false; |
| 346 | } |
| 347 | if (typeName == wxGRID_VALUE_NUMBER) |
| 348 | { |
| 349 | if ((sqltype == SQL_C_SSHORT) || |
| 350 | (sqltype == SQL_C_USHORT) || |
| 351 | (sqltype == SQL_C_SLONG) || |
| 352 | (sqltype == SQL_C_ULONG)) |
| 353 | { |
| 354 | return true; |
| 355 | } |
| 356 | return false; |
| 357 | } |
| 358 | if (typeName == wxGRID_VALUE_FLOAT) |
| 359 | { |
| 360 | if ((sqltype == SQL_C_SSHORT) || |
| 361 | (sqltype == SQL_C_USHORT) || |
| 362 | (sqltype == SQL_C_SLONG) || |
| 363 | (sqltype == SQL_C_ULONG) || |
| 364 | (sqltype == SQL_C_FLOAT) || |
| 365 | (sqltype == SQL_C_DOUBLE)) |
| 366 | { |
| 367 | return true; |
| 368 | } |
| 369 | return false; |
| 370 | } |
| 371 | return false; |
| 372 | } |
| 373 | |
| 374 | bool wxDbGridTableBase::CanSetValueAs(int WXUNUSED(row), int col, const wxString& typeName) |
| 375 | { |
| 376 | if (typeName == wxGRID_VALUE_STRING) |
| 377 | { |
| 378 | //FIXME ummm What about blob field etc. |
| 379 | return true; |
| 380 | } |
| 381 | |
| 382 | if (!(m_data->GetColDefs()[(m_ColInfo[col].DbCol)].Updateable)) |
| 383 | { |
| 384 | return false; |
| 385 | } |
| 386 | |
| 387 | if (m_data->GetNumberOfColumns() <= m_ColInfo[col].DbCol) |
| 388 | { |
| 389 | //If a virtual column then we can't find it's type. we have to faulse to |
| 390 | //get using wxVairent. |
| 391 | return false; |
| 392 | } |
| 393 | |
| 394 | int sqltype = m_data->GetColDefs()[(m_ColInfo[col].DbCol)].SqlCtype; |
| 395 | if (typeName == wxGRID_VALUE_DATETIME) |
| 396 | { |
| 397 | if ((sqltype == SQL_C_DATE) || |
| 398 | (sqltype == SQL_C_TIME) || |
| 399 | (sqltype == SQL_C_TIMESTAMP)) |
| 400 | { |
| 401 | return true; |
| 402 | } |
| 403 | return false; |
| 404 | } |
| 405 | if (typeName == wxGRID_VALUE_NUMBER) |
| 406 | { |
| 407 | if ((sqltype == SQL_C_SSHORT) || |
| 408 | (sqltype == SQL_C_USHORT) || |
| 409 | (sqltype == SQL_C_SLONG) || |
| 410 | (sqltype == SQL_C_ULONG)) |
| 411 | { |
| 412 | return true; |
| 413 | } |
| 414 | return false; |
| 415 | } |
| 416 | if (typeName == wxGRID_VALUE_FLOAT) |
| 417 | { |
| 418 | if ((sqltype == SQL_C_SSHORT) || |
| 419 | (sqltype == SQL_C_USHORT) || |
| 420 | (sqltype == SQL_C_SLONG) || |
| 421 | (sqltype == SQL_C_ULONG) || |
| 422 | (sqltype == SQL_C_FLOAT) || |
| 423 | (sqltype == SQL_C_DOUBLE)) |
| 424 | { |
| 425 | return true; |
| 426 | } |
| 427 | return false; |
| 428 | } |
| 429 | return false; |
| 430 | } |
| 431 | |
| 432 | long wxDbGridTableBase::GetValueAsLong(int row, int col) |
| 433 | { |
| 434 | ValidateRow(row); |
| 435 | |
| 436 | if (m_data->GetNumberOfColumns() <= m_ColInfo[col].DbCol) |
| 437 | { |
| 438 | wxFAIL_MSG (_T("You can not use GetValueAsLong for virtual columns")); |
| 439 | return 0; |
| 440 | } |
| 441 | int sqltype = m_data->GetColDefs()[(m_ColInfo[col].DbCol)].SqlCtype; |
| 442 | if ((sqltype == SQL_C_SSHORT) || |
| 443 | (sqltype == SQL_C_USHORT) || |
| 444 | (sqltype == SQL_C_SLONG) || |
| 445 | (sqltype == SQL_C_ULONG)) |
| 446 | { |
| 447 | wxVariant val = m_data->GetColumn(m_ColInfo[col].DbCol); |
| 448 | return val.GetLong(); |
| 449 | } |
| 450 | wxFAIL_MSG (_T("unknown column, ")); |
| 451 | return 0; |
| 452 | } |
| 453 | |
| 454 | double wxDbGridTableBase::GetValueAsDouble(int row, int col) |
| 455 | { |
| 456 | wxLogDebug(wxT("GetValueAsDouble() on %i,%i"),row,col); |
| 457 | ValidateRow(row); |
| 458 | |
| 459 | if (m_data->GetNumberOfColumns() <= m_ColInfo[col].DbCol) |
| 460 | { |
| 461 | wxFAIL_MSG (_T("You can not use GetValueAsDouble for virtual columns")); |
| 462 | return 0.0; |
| 463 | } |
| 464 | int sqltype = m_data->GetColDefs()[(m_ColInfo[col].DbCol)].SqlCtype; |
| 465 | if ((sqltype == SQL_C_SSHORT) || |
| 466 | (sqltype == SQL_C_USHORT) || |
| 467 | (sqltype == SQL_C_SLONG) || |
| 468 | (sqltype == SQL_C_ULONG) || |
| 469 | (sqltype == SQL_C_FLOAT) || |
| 470 | (sqltype == SQL_C_DOUBLE)) |
| 471 | { |
| 472 | wxVariant val = m_data->GetColumn(m_ColInfo[col].DbCol); |
| 473 | return val.GetDouble(); |
| 474 | } |
| 475 | wxFAIL_MSG (_T("unknown column")); |
| 476 | return 0.0; |
| 477 | } |
| 478 | |
| 479 | bool wxDbGridTableBase::GetValueAsBool(int row, int col) |
| 480 | { |
| 481 | wxLogDebug(wxT("GetValueAsBool() on %i,%i"),row,col); |
| 482 | ValidateRow(row); |
| 483 | |
| 484 | if (m_data->GetNumberOfColumns() <= m_ColInfo[col].DbCol) |
| 485 | { |
| 486 | wxFAIL_MSG (_T("You can not use GetValueAsBool for virtual columns")); |
| 487 | return 0; |
| 488 | } |
| 489 | int sqltype = m_data->GetColDefs()[(m_ColInfo[col].DbCol)].SqlCtype; |
| 490 | if ((sqltype == SQL_C_SSHORT) || |
| 491 | (sqltype == SQL_C_USHORT) || |
| 492 | (sqltype == SQL_C_SLONG) || |
| 493 | (sqltype == SQL_C_ULONG)) |
| 494 | { |
| 495 | wxVariant val = m_data->GetColumn(m_ColInfo[col].DbCol); |
| 496 | return val.GetBool(); |
| 497 | } |
| 498 | wxFAIL_MSG (_T("unknown column, ")); |
| 499 | return 0; |
| 500 | } |
| 501 | |
| 502 | void* wxDbGridTableBase::GetValueAsCustom(int row, int col, const wxString& typeName) |
| 503 | { |
| 504 | wxLogDebug(wxT("GetValueAsCustom() on %i,%i"),row,col); |
| 505 | ValidateRow(row); |
| 506 | |
| 507 | if (m_data->GetNumberOfColumns() <= m_ColInfo[col].DbCol) |
| 508 | { |
| 509 | wxFAIL_MSG (_T("You can not use GetValueAsCustom for virtual columns")); |
| 510 | return NULL; |
| 511 | } |
| 512 | if (m_data->IsColNull((UWORD)m_ColInfo[col].DbCol)) |
| 513 | return NULL; |
| 514 | |
| 515 | if (typeName == wxGRID_VALUE_DATETIME) |
| 516 | { |
| 517 | wxDbColDef *pColDefs = m_data->GetColDefs(); |
| 518 | int sqltype = pColDefs[(m_ColInfo[col].DbCol)].SqlCtype; |
| 519 | |
| 520 | if ((sqltype == SQL_C_DATE) || |
| 521 | (sqltype == SQL_C_TIME) || |
| 522 | (sqltype == SQL_C_TIMESTAMP)) |
| 523 | { |
| 524 | wxVariant val = m_data->GetColumn(m_ColInfo[col].DbCol); |
| 525 | return new wxDateTime(val.GetDateTime()); |
| 526 | } |
| 527 | } |
| 528 | wxFAIL_MSG (_T("unknown column data type ")); |
| 529 | return NULL; |
| 530 | } |
| 531 | |
| 532 | |
| 533 | void wxDbGridTableBase::SetValueAsCustom(int row, int col, const wxString& typeName, void* value) |
| 534 | { |
| 535 | wxLogDebug(wxT("SetValueAsCustom() on %i,%i"),row,col); |
| 536 | ValidateRow(row); |
| 537 | |
| 538 | if (m_data->GetNumberOfColumns() <= m_ColInfo[col].DbCol) |
| 539 | { |
| 540 | wxFAIL_MSG (_T("You can not use SetValueAsCustom for virtual columns")); |
| 541 | return; |
| 542 | } |
| 543 | |
| 544 | if (typeName == wxGRID_VALUE_DATETIME) |
| 545 | { |
| 546 | int sqltype = m_data->GetColDefs()[(m_ColInfo[col].DbCol)].SqlCtype; |
| 547 | if ((sqltype == SQL_C_DATE) || |
| 548 | (sqltype == SQL_C_TIME) || |
| 549 | (sqltype == SQL_C_TIMESTAMP)) |
| 550 | { |
| 551 | //FIXME: you can't dynamic_cast from (void *) |
| 552 | //wxDateTime *date = wxDynamicCast(value, wxDateTime); |
| 553 | wxDateTime *date = (wxDateTime *)value; |
| 554 | if (!date) |
| 555 | { |
| 556 | wxFAIL_MSG (_T("Failed to convert data")); |
| 557 | return; |
| 558 | } |
| 559 | wxVariant val(date); |
| 560 | m_rowmodified = true; |
| 561 | m_data->SetColumn(m_ColInfo[col].DbCol,val); |
| 562 | } |
| 563 | } |
| 564 | wxFAIL_MSG (_T("unknown column data type")); |
| 565 | return ; |
| 566 | } |
| 567 | |
| 568 | |
| 569 | wxString wxDbGridTableBase::GetColLabelValue(int col) |
| 570 | { |
| 571 | if (GetNumberCols() > col) |
| 572 | { |
| 573 | return m_ColInfo[col].Title; |
| 574 | } |
| 575 | wxFAIL_MSG (_T("unknown column")); |
| 576 | return wxString(); |
| 577 | } |
| 578 | |
| 579 | bool wxDbGridTableBase::IsEmptyCell(int row, int col) |
| 580 | { |
| 581 | wxLogDebug(wxT("IsEmtpyCell on %i,%i"),row,col); |
| 582 | |
| 583 | ValidateRow(row); |
| 584 | return m_data->IsColNull((UWORD)m_ColInfo[col].DbCol); |
| 585 | } |
| 586 | |
| 587 | |
| 588 | wxString wxDbGridTableBase::GetValue(int row, int col) |
| 589 | { |
| 590 | wxLogDebug(wxT("GetValue() on %i,%i"),row,col); |
| 591 | |
| 592 | ValidateRow(row); |
| 593 | wxVariant val = m_data->GetColumn(m_ColInfo[col].DbCol); |
| 594 | wxLogDebug(wxT("\tReturning \"%s\"\n"),val.GetString().c_str()); |
| 595 | |
| 596 | return val.GetString(); |
| 597 | } |
| 598 | |
| 599 | |
| 600 | void wxDbGridTableBase::SetValue(int row, int col,const wxString& value) |
| 601 | { |
| 602 | wxLogDebug(wxT("SetValue() on %i,%i"),row,col); |
| 603 | |
| 604 | ValidateRow(row); |
| 605 | wxVariant val(value); |
| 606 | |
| 607 | m_rowmodified = true; |
| 608 | m_data->SetColumn(m_ColInfo[col].DbCol,val); |
| 609 | } |
| 610 | |
| 611 | |
| 612 | void wxDbGridTableBase::SetValueAsLong(int row, int col, long value) |
| 613 | { |
| 614 | wxLogDebug(wxT("SetValueAsLong() on %i,%i"),row,col); |
| 615 | |
| 616 | ValidateRow(row); |
| 617 | wxVariant val(value); |
| 618 | |
| 619 | m_rowmodified = true; |
| 620 | m_data->SetColumn(m_ColInfo[col].DbCol,val); |
| 621 | } |
| 622 | |
| 623 | |
| 624 | void wxDbGridTableBase::SetValueAsDouble(int row, int col, double value) |
| 625 | { |
| 626 | wxLogDebug(wxT("SetValueAsDouble() on %i,%i"),row,col); |
| 627 | |
| 628 | ValidateRow(row); |
| 629 | wxVariant val(value); |
| 630 | |
| 631 | m_rowmodified = true; |
| 632 | m_data->SetColumn(m_ColInfo[col].DbCol,val); |
| 633 | |
| 634 | } |
| 635 | |
| 636 | |
| 637 | void wxDbGridTableBase::SetValueAsBool(int row, int col, bool value) |
| 638 | { |
| 639 | wxLogDebug(wxT("SetValueAsBool() on %i,%i"),row,col); |
| 640 | |
| 641 | ValidateRow(row); |
| 642 | wxVariant val(value); |
| 643 | |
| 644 | m_rowmodified = true; |
| 645 | m_data->SetColumn(m_ColInfo[col].DbCol,val); |
| 646 | } |
| 647 | |
| 648 | |
| 649 | void wxDbGridTableBase::ValidateRow(int row) |
| 650 | { |
| 651 | wxLogDebug(wxT("ValidateRow(%i) currently on row (%i). Array count = %i"),row,m_row,m_keys.GetCount()); |
| 652 | |
| 653 | if (row == m_row) |
| 654 | return; |
| 655 | Writeback(); |
| 656 | |
| 657 | //We add to row as Count is unsigned! |
| 658 | if ((unsigned)(row+1) > m_keys.GetCount()) |
| 659 | { |
| 660 | wxLogDebug(wxT("\trow key unknown")); |
| 661 | // Extend Array, iterate through data filling with keys |
| 662 | m_data->SetRowMode(wxDbTable::WX_ROW_MODE_QUERY); |
| 663 | int trow; |
| 664 | for (trow = m_keys.GetCount(); trow <= row; trow++) |
| 665 | { |
| 666 | wxLogDebug(wxT("Fetching row %i.."), trow); |
| 667 | bool ret = m_data->GetNext(); |
| 668 | |
| 669 | wxLogDebug(wxT(" ...success=(%i)"),ret); |
| 670 | GenericKey k = m_data->GetKey(); |
| 671 | m_keys.Add(k); |
| 672 | } |
| 673 | m_row = row; |
| 674 | } |
| 675 | else |
| 676 | { |
| 677 | wxLogDebug(wxT("\trow key known centering data")); |
| 678 | GenericKey k = m_keys.Item(row); |
| 679 | m_data->SetRowMode(wxDbTable::WX_ROW_MODE_INDIVIDUAL); |
| 680 | m_data->ClearMemberVars(); |
| 681 | m_data->SetKey(k); |
| 682 | if (!m_data->QueryOnKeyFields()) |
| 683 | { |
| 684 | wxDbLogExtendedErrorMsg(_T("ODBC error during Query()\n\n"), m_data->GetDb(),__TFILE__,__LINE__); |
| 685 | } |
| 686 | |
| 687 | m_data->GetNext(); |
| 688 | |
| 689 | m_row = row; |
| 690 | } |
| 691 | m_rowmodified = false; |
| 692 | } |
| 693 | |
| 694 | bool wxDbGridTableBase::Writeback() const |
| 695 | { |
| 696 | if (!m_rowmodified) |
| 697 | { |
| 698 | return true; |
| 699 | } |
| 700 | |
| 701 | bool result=true; |
| 702 | wxLogDebug(wxT("\trow key unknown")); |
| 703 | |
| 704 | // FIXME: this code requires dbtable support for record status |
| 705 | #if 0 |
| 706 | switch (m_data->get_ModifiedStatus()) |
| 707 | { |
| 708 | case wxDbTable::UpdatePending: |
| 709 | result = m_data->Update(); |
| 710 | break; |
| 711 | case wxDbTable::InsertPending: |
| 712 | result = (m_data->Insert() == SQL_SUCCESS); |
| 713 | break; |
| 714 | default: |
| 715 | //Nothing |
| 716 | break; |
| 717 | } |
| 718 | #else |
| 719 | wxLogDebug(wxT("WARNING : Row writeback not implemented ")); |
| 720 | #endif |
| 721 | return result; |
| 722 | } |
| 723 | |
| 724 | #include "wx/arrimpl.cpp" |
| 725 | |
| 726 | WX_DEFINE_EXPORTED_OBJARRAY(keyarray) |
| 727 | |
| 728 | #endif // #if wxUSE_GRID |
| 729 | #endif // #if wxUSE_ODBC |
| 730 | |