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