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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/common/xti.cpp | |
3 | // Purpose: runtime metadata information (extended class info | |
4 | // Author: Stefan Csomor | |
5 | // Modified by: | |
6 | // Created: 27/07/03 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) 1997 Julian Smart | |
9 | // (c) 2003 Stefan Csomor | |
10 | // Licence: wxWindows licence | |
11 | ///////////////////////////////////////////////////////////////////////////// | |
12 | ||
13 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
14 | #pragma implementation "xti.h" | |
15 | #endif | |
16 | ||
17 | // For compilers that support precompilation, includes "wx.h". | |
18 | #include "wx/wxprec.h" | |
19 | ||
20 | #ifdef __BORLANDC__ | |
21 | #pragma hdrstop | |
22 | #endif | |
23 | ||
24 | #ifndef WX_PRECOMP | |
25 | #include "wx/hash.h" | |
26 | #include "wx/object.h" | |
27 | #endif | |
28 | ||
29 | #if wxUSE_EXTENDED_RTTI | |
30 | ||
31 | #include "wx/xti.h" | |
32 | #include "wx/xml/xml.h" | |
33 | #include "wx/tokenzr.h" | |
34 | #include "wx/list.h" | |
35 | #include <string.h> | |
36 | ||
37 | #include "wx/beforestd.h" | |
38 | #include <map> | |
39 | #include <string> | |
40 | #include <list> | |
41 | #include "wx/afterstd.h" | |
42 | ||
43 | using namespace std ; | |
44 | ||
45 | // ---------------------------------------------------------------------------- | |
46 | // Enum Support | |
47 | // ---------------------------------------------------------------------------- | |
48 | ||
49 | wxEnumData::wxEnumData( wxEnumMemberData* data ) | |
50 | { | |
51 | m_members = data ; | |
52 | for ( m_count = 0; m_members[m_count].m_name ; m_count++) | |
53 | {} ; | |
54 | } | |
55 | ||
56 | bool wxEnumData::HasEnumMemberValue(const wxChar *name, int *value) const | |
57 | { | |
58 | int i; | |
59 | for (i = 0; m_members[i].m_name ; i++ ) | |
60 | { | |
61 | if (!wxStrcmp(name, m_members[i].m_name)) | |
62 | { | |
63 | if ( value ) | |
64 | *value = m_members[i].m_value; | |
65 | return true ; | |
66 | } | |
67 | } | |
68 | return false ; | |
69 | } | |
70 | ||
71 | int wxEnumData::GetEnumMemberValue(const wxChar *name) const | |
72 | { | |
73 | int i; | |
74 | for (i = 0; m_members[i].m_name ; i++ ) | |
75 | { | |
76 | if (!wxStrcmp(name, m_members[i].m_name)) | |
77 | { | |
78 | return m_members[i].m_value; | |
79 | } | |
80 | } | |
81 | return 0 ; | |
82 | } | |
83 | ||
84 | const wxChar *wxEnumData::GetEnumMemberName(int value) const | |
85 | { | |
86 | int i; | |
87 | for (i = 0; m_members[i].m_name ; i++) | |
88 | if (value == m_members[i].m_value) | |
89 | return m_members[i].m_name; | |
90 | ||
91 | return wxEmptyString ; | |
92 | } | |
93 | ||
94 | int wxEnumData::GetEnumMemberValueByIndex( int idx ) const | |
95 | { | |
96 | // we should cache the count in order to avoid out-of-bounds errors | |
97 | return m_members[idx].m_value ; | |
98 | } | |
99 | ||
100 | const wxChar * wxEnumData::GetEnumMemberNameByIndex( int idx ) const | |
101 | { | |
102 | // we should cache the count in order to avoid out-of-bounds errors | |
103 | return m_members[idx].m_name ; | |
104 | } | |
105 | ||
106 | // ---------------------------------------------------------------------------- | |
107 | // Type Information | |
108 | // ---------------------------------------------------------------------------- | |
109 | // ---------------------------------------------------------------------------- | |
110 | // value streaming | |
111 | // ---------------------------------------------------------------------------- | |
112 | ||
113 | // streamer specializations | |
114 | // for all built-in types | |
115 | ||
116 | // bool | |
117 | ||
118 | template<> void wxStringReadValue(const wxString &s , bool &data ) | |
119 | { | |
120 | int intdata ; | |
121 | wxSscanf(s, _T("%d"), &intdata ) ; | |
122 | data = (bool)intdata ; | |
123 | } | |
124 | ||
125 | template<> void wxStringWriteValue(wxString &s , const bool &data ) | |
126 | { | |
127 | s = wxString::Format(_T("%d"), data ) ; | |
128 | } | |
129 | ||
130 | // char | |
131 | ||
132 | template<> void wxStringReadValue(const wxString &s , char &data ) | |
133 | { | |
134 | int intdata ; | |
135 | wxSscanf(s, _T("%d"), &intdata ) ; | |
136 | data = char(intdata) ; | |
137 | } | |
138 | ||
139 | template<> void wxStringWriteValue(wxString &s , const char &data ) | |
140 | { | |
141 | s = wxString::Format(_T("%d"), data ) ; | |
142 | } | |
143 | ||
144 | // unsigned char | |
145 | ||
146 | template<> void wxStringReadValue(const wxString &s , unsigned char &data ) | |
147 | { | |
148 | int intdata ; | |
149 | wxSscanf(s, _T("%d"), &intdata ) ; | |
150 | data = (unsigned char)(intdata) ; | |
151 | } | |
152 | ||
153 | template<> void wxStringWriteValue(wxString &s , const unsigned char &data ) | |
154 | { | |
155 | s = wxString::Format(_T("%d"), data ) ; | |
156 | } | |
157 | ||
158 | // int | |
159 | ||
160 | template<> void wxStringReadValue(const wxString &s , int &data ) | |
161 | { | |
162 | wxSscanf(s, _T("%d"), &data ) ; | |
163 | } | |
164 | ||
165 | template<> void wxStringWriteValue(wxString &s , const int &data ) | |
166 | { | |
167 | s = wxString::Format(_T("%d"), data ) ; | |
168 | } | |
169 | ||
170 | // unsigned int | |
171 | ||
172 | template<> void wxStringReadValue(const wxString &s , unsigned int &data ) | |
173 | { | |
174 | wxSscanf(s, _T("%d"), &data ) ; | |
175 | } | |
176 | ||
177 | template<> void wxStringWriteValue(wxString &s , const unsigned int &data ) | |
178 | { | |
179 | s = wxString::Format(_T("%d"), data ) ; | |
180 | } | |
181 | ||
182 | // long | |
183 | ||
184 | template<> void wxStringReadValue(const wxString &s , long &data ) | |
185 | { | |
186 | wxSscanf(s, _T("%ld"), &data ) ; | |
187 | } | |
188 | ||
189 | template<> void wxStringWriteValue(wxString &s , const long &data ) | |
190 | { | |
191 | s = wxString::Format(_T("%ld"), data ) ; | |
192 | } | |
193 | ||
194 | // unsigned long | |
195 | ||
196 | template<> void wxStringReadValue(const wxString &s , unsigned long &data ) | |
197 | { | |
198 | wxSscanf(s, _T("%ld"), &data ) ; | |
199 | } | |
200 | ||
201 | template<> void wxStringWriteValue(wxString &s , const unsigned long &data ) | |
202 | { | |
203 | s = wxString::Format(_T("%ld"), data ) ; | |
204 | } | |
205 | ||
206 | // float | |
207 | ||
208 | template<> void wxStringReadValue(const wxString &s , float &data ) | |
209 | { | |
210 | wxSscanf(s, _T("%f"), &data ) ; | |
211 | } | |
212 | ||
213 | template<> void wxStringWriteValue(wxString &s , const float &data ) | |
214 | { | |
215 | s = wxString::Format(_T("%f"), data ) ; | |
216 | } | |
217 | ||
218 | // double | |
219 | ||
220 | template<> void wxStringReadValue(const wxString &s , double &data ) | |
221 | { | |
222 | wxSscanf(s, _T("%lf"), &data ) ; | |
223 | } | |
224 | ||
225 | template<> void wxStringWriteValue(wxString &s , const double &data ) | |
226 | { | |
227 | s = wxString::Format(_T("%lf"), data ) ; | |
228 | } | |
229 | ||
230 | // wxString | |
231 | ||
232 | template<> void wxStringReadValue(const wxString &s , wxString &data ) | |
233 | { | |
234 | data = s ; | |
235 | } | |
236 | ||
237 | template<> void wxStringWriteValue(wxString &s , const wxString &data ) | |
238 | { | |
239 | s = data ; | |
240 | } | |
241 | ||
242 | // built-ins | |
243 | // | |
244 | ||
245 | #if wxUSE_FUNC_TEMPLATE_POINTER | |
246 | #define wxBUILTIN_TYPE_INFO( element , type ) \ | |
247 | wxBuiltInTypeInfo s_typeInfo##type(element , &wxToStringConverter<type> , &wxFromStringConverter<type> , typeid(type).name()) ; | |
248 | #else | |
249 | #define wxBUILTIN_TYPE_INFO( element , type ) \ | |
250 | void _toString##element( const wxxVariant& data , wxString &result ) { wxToStringConverter<type>(data, result); } \ | |
251 | void _fromString##element( const wxString& data , wxxVariant &result ) { wxFromStringConverter<type>(data, result); } \ | |
252 | wxBuiltInTypeInfo s_typeInfo##type(element , &_toString##element , &_fromString##element , typeid(type).name()) ; | |
253 | #endif | |
254 | ||
255 | typedef unsigned char unsigned_char; | |
256 | typedef unsigned int unsigned_int; | |
257 | typedef unsigned long unsigned_long; | |
258 | ||
259 | wxBuiltInTypeInfo s_typeInfovoid( wxT_VOID , NULL , NULL , typeid(void).name()); | |
260 | wxBUILTIN_TYPE_INFO( wxT_BOOL , bool); | |
261 | wxBUILTIN_TYPE_INFO( wxT_CHAR , char); | |
262 | wxBUILTIN_TYPE_INFO( wxT_UCHAR , unsigned_char); | |
263 | wxBUILTIN_TYPE_INFO( wxT_INT , int); | |
264 | wxBUILTIN_TYPE_INFO( wxT_UINT , unsigned_int); | |
265 | wxBUILTIN_TYPE_INFO( wxT_LONG , long); | |
266 | wxBUILTIN_TYPE_INFO( wxT_ULONG , unsigned_long); | |
267 | wxBUILTIN_TYPE_INFO( wxT_FLOAT , float); | |
268 | wxBUILTIN_TYPE_INFO( wxT_DOUBLE , double); | |
269 | wxBUILTIN_TYPE_INFO( wxT_STRING , wxString); | |
270 | ||
271 | ||
272 | // this are compiler induced specialization which are never used anywhere | |
273 | ||
274 | wxILLEGAL_TYPE_SPECIALIZATION( char const * ) | |
275 | wxILLEGAL_TYPE_SPECIALIZATION( char * ) | |
276 | wxILLEGAL_TYPE_SPECIALIZATION( unsigned char * ) | |
277 | wxILLEGAL_TYPE_SPECIALIZATION( int * ) | |
278 | wxILLEGAL_TYPE_SPECIALIZATION( bool * ) | |
279 | wxILLEGAL_TYPE_SPECIALIZATION( long * ) | |
280 | wxILLEGAL_TYPE_SPECIALIZATION( wxString * ) | |
281 | ||
282 | wxCOLLECTION_TYPE_INFO( wxString , wxArrayString ) ; | |
283 | ||
284 | template<> void wxCollectionToVariantArray( wxArrayString const &theArray, wxxVariantArray &value) | |
285 | { | |
286 | wxArrayCollectionToVariantArray( theArray , value ) ; | |
287 | } | |
288 | ||
289 | wxTypeInfoMap *wxTypeInfo::ms_typeTable = NULL ; | |
290 | ||
291 | wxTypeInfo *wxTypeInfo::FindType(const wxChar *typeName) | |
292 | { | |
293 | wxTypeInfoMap::iterator iter = ms_typeTable->find(typeName) ; | |
294 | wxASSERT_MSG( iter != ms_typeTable->end() , wxT("lookup for a non-existent type-info") ) ; | |
295 | return (wxTypeInfo *)iter->second; | |
296 | } | |
297 | ||
298 | #if wxUSE_UNICODE | |
299 | wxClassTypeInfo::wxClassTypeInfo( wxTypeKind kind , wxClassInfo* classInfo , converterToString_t to , converterFromString_t from , const char *name) : | |
300 | wxTypeInfo( kind , to , from , name) | |
301 | { wxASSERT_MSG( kind == wxT_OBJECT_PTR || kind == wxT_OBJECT , wxT("Illegal Kind for Enum Type")) ; m_classInfo = classInfo ;} | |
302 | #endif | |
303 | ||
304 | wxClassTypeInfo::wxClassTypeInfo( wxTypeKind kind , wxClassInfo* classInfo , converterToString_t to , converterFromString_t from , const wxString &name) : | |
305 | wxTypeInfo( kind , to , from , name) | |
306 | { wxASSERT_MSG( kind == wxT_OBJECT_PTR || kind == wxT_OBJECT , wxT("Illegal Kind for Enum Type")) ; m_classInfo = classInfo ;} | |
307 | ||
308 | wxDelegateTypeInfo::wxDelegateTypeInfo( int eventType , wxClassInfo* eventClass , converterToString_t to , converterFromString_t from ) : | |
309 | wxTypeInfo ( wxT_DELEGATE , to , from , wxEmptyString ) | |
310 | { m_eventClass = eventClass ; m_eventType = eventType ; m_lastEventType = -1 ;} | |
311 | ||
312 | wxDelegateTypeInfo::wxDelegateTypeInfo( int eventType , int lastEventType , wxClassInfo* eventClass , converterToString_t to , converterFromString_t from ) : | |
313 | wxTypeInfo ( wxT_DELEGATE , to , from , wxEmptyString ) | |
314 | { m_eventClass = eventClass ; m_eventType = eventType ; m_lastEventType = lastEventType; } | |
315 | ||
316 | void wxTypeInfo::Register() | |
317 | { | |
318 | if ( ms_typeTable == NULL ) | |
319 | ms_typeTable = new wxTypeInfoMap() ; | |
320 | ||
321 | if( !m_name.empty() ) | |
322 | (*ms_typeTable)[m_name] = this ; | |
323 | } | |
324 | ||
325 | void wxTypeInfo::Unregister() | |
326 | { | |
327 | if( !m_name.empty() ) | |
328 | ms_typeTable->erase(m_name); | |
329 | } | |
330 | ||
331 | // removing header dependancy on string tokenizer | |
332 | ||
333 | void wxSetStringToArray( const wxString &s , wxArrayString &array ) | |
334 | { | |
335 | wxStringTokenizer tokenizer(s, wxT("| \t\n"), wxTOKEN_STRTOK); | |
336 | wxString flag; | |
337 | array.Clear() ; | |
338 | while (tokenizer.HasMoreTokens()) | |
339 | { | |
340 | array.Add(tokenizer.GetNextToken()) ; | |
341 | } | |
342 | } | |
343 | ||
344 | // ---------------------------------------------------------------------------- | |
345 | // wxClassInfo | |
346 | // ---------------------------------------------------------------------------- | |
347 | ||
348 | wxPropertyInfo::~wxPropertyInfo() | |
349 | { | |
350 | if ( this == m_itsClass->m_firstProperty ) | |
351 | { | |
352 | m_itsClass->m_firstProperty = m_next; | |
353 | } | |
354 | else | |
355 | { | |
356 | wxPropertyInfo *info = m_itsClass->m_firstProperty; | |
357 | while (info) | |
358 | { | |
359 | if ( info->m_next == this ) | |
360 | { | |
361 | info->m_next = m_next; | |
362 | break; | |
363 | } | |
364 | ||
365 | info = info->m_next; | |
366 | } | |
367 | } | |
368 | } | |
369 | ||
370 | wxHandlerInfo::~wxHandlerInfo() | |
371 | { | |
372 | if ( this == m_itsClass->m_firstHandler ) | |
373 | { | |
374 | m_itsClass->m_firstHandler = m_next; | |
375 | } | |
376 | else | |
377 | { | |
378 | wxHandlerInfo *info = m_itsClass->m_firstHandler; | |
379 | while (info) | |
380 | { | |
381 | if ( info->m_next == this ) | |
382 | { | |
383 | info->m_next = m_next; | |
384 | break; | |
385 | } | |
386 | ||
387 | info = info->m_next; | |
388 | } | |
389 | } | |
390 | } | |
391 | ||
392 | const wxPropertyAccessor *wxClassInfo::FindAccessor(const wxChar *PropertyName) const | |
393 | { | |
394 | const wxPropertyInfo* info = FindPropertyInfo( PropertyName ) ; | |
395 | ||
396 | if ( info ) | |
397 | return info->GetAccessor() ; | |
398 | ||
399 | return NULL ; | |
400 | } | |
401 | ||
402 | wxPropertyInfo *wxClassInfo::FindPropertyInfoInThisClass (const wxChar *PropertyName) const | |
403 | { | |
404 | wxPropertyInfo* info = m_firstProperty ; | |
405 | ||
406 | while( info ) | |
407 | { | |
408 | if ( wxStrcmp( info->GetName() , PropertyName ) == 0 ) | |
409 | return info ; | |
410 | info = info->GetNext() ; | |
411 | } | |
412 | ||
413 | return 0; | |
414 | } | |
415 | ||
416 | const wxPropertyInfo *wxClassInfo::FindPropertyInfo (const wxChar *PropertyName) const | |
417 | { | |
418 | const wxPropertyInfo* info = FindPropertyInfoInThisClass( PropertyName ) ; | |
419 | if ( info ) | |
420 | return info ; | |
421 | ||
422 | const wxClassInfo** parents = GetParents() ; | |
423 | for ( int i = 0 ; parents[i] ; ++ i ) | |
424 | { | |
425 | if ( ( info = parents[i]->FindPropertyInfo( PropertyName ) ) != NULL ) | |
426 | return info ; | |
427 | } | |
428 | ||
429 | return 0; | |
430 | } | |
431 | ||
432 | wxHandlerInfo *wxClassInfo::FindHandlerInfoInThisClass (const wxChar *PropertyName) const | |
433 | { | |
434 | wxHandlerInfo* info = m_firstHandler ; | |
435 | ||
436 | while( info ) | |
437 | { | |
438 | if ( wxStrcmp( info->GetName() , PropertyName ) == 0 ) | |
439 | return info ; | |
440 | info = info->GetNext() ; | |
441 | } | |
442 | ||
443 | return 0; | |
444 | } | |
445 | ||
446 | const wxHandlerInfo *wxClassInfo::FindHandlerInfo (const wxChar *PropertyName) const | |
447 | { | |
448 | const wxHandlerInfo* info = FindHandlerInfoInThisClass( PropertyName ) ; | |
449 | ||
450 | if ( info ) | |
451 | return info ; | |
452 | ||
453 | const wxClassInfo** parents = GetParents() ; | |
454 | for ( int i = 0 ; parents[i] ; ++ i ) | |
455 | { | |
456 | if ( ( info = parents[i]->FindHandlerInfo( PropertyName ) ) != NULL ) | |
457 | return info ; | |
458 | } | |
459 | ||
460 | return 0; | |
461 | } | |
462 | ||
463 | wxObjectStreamingCallback wxClassInfo::GetStreamingCallback() const | |
464 | { | |
465 | if ( m_streamingCallback ) | |
466 | return m_streamingCallback ; | |
467 | ||
468 | wxObjectStreamingCallback retval = NULL ; | |
469 | const wxClassInfo** parents = GetParents() ; | |
470 | for ( int i = 0 ; parents[i] && retval == NULL ; ++ i ) | |
471 | { | |
472 | retval = parents[i]->GetStreamingCallback() ; | |
473 | } | |
474 | return retval ; | |
475 | } | |
476 | ||
477 | bool wxClassInfo::BeforeWriteObject( const wxObject *obj, wxWriter *streamer , wxPersister *persister , wxxVariantArray &metadata) const | |
478 | { | |
479 | wxObjectStreamingCallback sb = GetStreamingCallback() ; | |
480 | if ( sb ) | |
481 | return (*sb)(obj , streamer , persister , metadata ) ; | |
482 | ||
483 | return true ; | |
484 | } | |
485 | ||
486 | void wxClassInfo::SetProperty(wxObject *object, const wxChar *propertyName, const wxxVariant &value) const | |
487 | { | |
488 | const wxPropertyAccessor *accessor; | |
489 | ||
490 | accessor = FindAccessor(propertyName); | |
491 | wxASSERT(accessor->HasSetter()); | |
492 | accessor->SetProperty( object , value ) ; | |
493 | } | |
494 | ||
495 | wxxVariant wxClassInfo::GetProperty(wxObject *object, const wxChar *propertyName) const | |
496 | { | |
497 | const wxPropertyAccessor *accessor; | |
498 | ||
499 | accessor = FindAccessor(propertyName); | |
500 | wxASSERT(accessor->HasGetter()); | |
501 | wxxVariant result ; | |
502 | accessor->GetProperty(object,result); | |
503 | return result ; | |
504 | } | |
505 | ||
506 | wxxVariantArray wxClassInfo::GetPropertyCollection(wxObject *object, const wxChar *propertyName) const | |
507 | { | |
508 | const wxPropertyAccessor *accessor; | |
509 | ||
510 | accessor = FindAccessor(propertyName); | |
511 | wxASSERT(accessor->HasGetter()); | |
512 | wxxVariantArray result ; | |
513 | accessor->GetPropertyCollection(object,result); | |
514 | return result ; | |
515 | } | |
516 | ||
517 | void wxClassInfo::AddToPropertyCollection(wxObject *object, const wxChar *propertyName , const wxxVariant& value) const | |
518 | { | |
519 | const wxPropertyAccessor *accessor; | |
520 | ||
521 | accessor = FindAccessor(propertyName); | |
522 | wxASSERT(accessor->HasAdder()); | |
523 | accessor->AddToPropertyCollection( object , value ) ; | |
524 | } | |
525 | ||
526 | // void wxClassInfo::GetProperties( wxPropertyInfoMap &map ) const | |
527 | // The map parameter (the name map that is) seems something special | |
528 | // to MSVC and so we use a other name. | |
529 | void wxClassInfo::GetProperties( wxPropertyInfoMap &infomap ) const | |
530 | { | |
531 | const wxPropertyInfo *pi = GetFirstProperty() ; | |
532 | while( pi ) | |
533 | { | |
534 | if ( infomap.find( pi->GetName() ) == infomap.end() ) | |
535 | infomap[pi->GetName()] = (wxPropertyInfo*) pi ; | |
536 | ||
537 | pi = pi->GetNext() ; | |
538 | } | |
539 | ||
540 | const wxClassInfo** parents = GetParents() ; | |
541 | for ( int i = 0 ; parents[i] ; ++ i ) | |
542 | { | |
543 | parents[i]->GetProperties( infomap ) ; | |
544 | } | |
545 | } | |
546 | ||
547 | /* | |
548 | VARIANT TO OBJECT | |
549 | */ | |
550 | ||
551 | wxObject* wxxVariant::GetAsObject() | |
552 | { | |
553 | const wxClassTypeInfo *ti = dynamic_cast<const wxClassTypeInfo*>( m_data->GetTypeInfo() ) ; | |
554 | if ( ti ) | |
555 | return ti->GetClassInfo()->VariantToInstance(*this) ; | |
556 | else | |
557 | return NULL ; | |
558 | } | |
559 | ||
560 | // ---------------------------------------------------------------------------- | |
561 | // wxDynamicObject support | |
562 | // ---------------------------------------------------------------------------- | |
563 | // | |
564 | // Dynamic Objects are objects that have a real superclass instance and carry their | |
565 | // own attributes in a hash map. Like this it is possible to create the objects and | |
566 | // stream them, as if their class information was already available from compiled data | |
567 | ||
568 | struct wxDynamicObject::wxDynamicObjectInternal | |
569 | { | |
570 | wxDynamicObjectInternal() {} | |
571 | ||
572 | #if wxUSE_UNICODE | |
573 | map<wstring,wxxVariant> m_properties ; | |
574 | #else | |
575 | map<string,wxxVariant> m_properties ; | |
576 | #endif | |
577 | } ; | |
578 | ||
579 | typedef list< wxDynamicObject* > wxDynamicObjectList ; | |
580 | ||
581 | struct wxDynamicClassInfo::wxDynamicClassInfoInternal | |
582 | { | |
583 | wxDynamicObjectList m_dynamicObjects ; | |
584 | } ; | |
585 | ||
586 | // instantiates this object with an instance of its superclass | |
587 | wxDynamicObject::wxDynamicObject(wxObject* superClassInstance, const wxDynamicClassInfo *info) | |
588 | { | |
589 | m_superClassInstance = superClassInstance ; | |
590 | m_classInfo = info ; | |
591 | m_data = new wxDynamicObjectInternal ; | |
592 | } | |
593 | ||
594 | wxDynamicObject::~wxDynamicObject() | |
595 | { | |
596 | dynamic_cast<const wxDynamicClassInfo*>(m_classInfo)->m_data->m_dynamicObjects.remove( this ) ; | |
597 | delete m_data ; | |
598 | delete m_superClassInstance ; | |
599 | } | |
600 | ||
601 | void wxDynamicObject::SetProperty (const wxChar *propertyName, const wxxVariant &value) | |
602 | { | |
603 | wxASSERT_MSG(m_classInfo->FindPropertyInfoInThisClass(propertyName),wxT("Accessing Unknown Property in a Dynamic Object") ) ; | |
604 | m_data->m_properties[propertyName] = value ; | |
605 | } | |
606 | ||
607 | wxxVariant wxDynamicObject::GetProperty (const wxChar *propertyName) const | |
608 | { | |
609 | wxASSERT_MSG(m_classInfo->FindPropertyInfoInThisClass(propertyName),wxT("Accessing Unknown Property in a Dynamic Object") ) ; | |
610 | return m_data->m_properties[propertyName] ; | |
611 | } | |
612 | ||
613 | void wxDynamicObject::RemoveProperty( const wxChar *propertyName ) | |
614 | { | |
615 | wxASSERT_MSG(m_classInfo->FindPropertyInfoInThisClass(propertyName),wxT("Removing Unknown Property in a Dynamic Object") ) ; | |
616 | m_data->m_properties.erase( propertyName ) ; | |
617 | } | |
618 | ||
619 | void wxDynamicObject::RenameProperty( const wxChar *oldPropertyName , const wxChar *newPropertyName ) | |
620 | { | |
621 | wxASSERT_MSG(m_classInfo->FindPropertyInfoInThisClass(oldPropertyName),wxT("Renaming Unknown Property in a Dynamic Object") ) ; | |
622 | wxxVariant value = m_data->m_properties[oldPropertyName] ; | |
623 | m_data->m_properties.erase( oldPropertyName ) ; | |
624 | m_data->m_properties[newPropertyName] = value ; | |
625 | } | |
626 | ||
627 | ||
628 | // ---------------------------------------------------------------------------- | |
629 | // wxDynamiClassInfo | |
630 | // ---------------------------------------------------------------------------- | |
631 | ||
632 | wxDynamicClassInfo::wxDynamicClassInfo( const wxChar *unitName, const wxChar *className , const wxClassInfo* superClass ) : | |
633 | wxClassInfo( unitName, className , new const wxClassInfo*[2]) | |
634 | { | |
635 | GetParents()[0] = superClass ; | |
636 | GetParents()[1] = NULL ; | |
637 | m_data = new wxDynamicClassInfoInternal ; | |
638 | } | |
639 | ||
640 | wxDynamicClassInfo::~wxDynamicClassInfo() | |
641 | { | |
642 | delete[] GetParents() ; | |
643 | delete m_data ; | |
644 | } | |
645 | ||
646 | wxObject *wxDynamicClassInfo::AllocateObject() const | |
647 | { | |
648 | wxObject* parent = GetParents()[0]->AllocateObject() ; | |
649 | wxDynamicObject *obj = new wxDynamicObject( parent , this ) ; | |
650 | m_data->m_dynamicObjects.push_back( obj ) ; | |
651 | return obj ; | |
652 | } | |
653 | ||
654 | void wxDynamicClassInfo::Create (wxObject *object, int paramCount, wxxVariant *params) const | |
655 | { | |
656 | wxDynamicObject *dynobj = dynamic_cast< wxDynamicObject *>( object ) ; | |
657 | wxASSERT_MSG( dynobj , wxT("cannot call wxDynamicClassInfo::Create on an object other than wxDynamicObject") ) ; | |
658 | GetParents()[0]->Create( dynobj->GetSuperClassInstance() , paramCount , params ) ; | |
659 | } | |
660 | ||
661 | // get number of parameters for constructor | |
662 | int wxDynamicClassInfo::GetCreateParamCount() const | |
663 | { | |
664 | return GetParents()[0]->GetCreateParamCount() ; | |
665 | } | |
666 | ||
667 | // get i-th constructor parameter | |
668 | const wxChar* wxDynamicClassInfo::GetCreateParamName(int i) const | |
669 | { | |
670 | return GetParents()[0]->GetCreateParamName( i ) ; | |
671 | } | |
672 | ||
673 | void wxDynamicClassInfo::SetProperty(wxObject *object, const wxChar *propertyName, const wxxVariant &value) const | |
674 | { | |
675 | wxDynamicObject* dynobj = dynamic_cast< wxDynamicObject * >( object ) ; | |
676 | wxASSERT_MSG( dynobj , wxT("cannot call wxDynamicClassInfo::SetProperty on an object other than wxDynamicObject") ) ; | |
677 | if ( FindPropertyInfoInThisClass(propertyName) ) | |
678 | dynobj->SetProperty( propertyName , value ) ; | |
679 | else | |
680 | GetParents()[0]->SetProperty( dynobj->GetSuperClassInstance() , propertyName , value ) ; | |
681 | } | |
682 | ||
683 | wxxVariant wxDynamicClassInfo::GetProperty(wxObject *object, const wxChar *propertyName) const | |
684 | { | |
685 | wxDynamicObject* dynobj = dynamic_cast< wxDynamicObject * >( object ) ; | |
686 | wxASSERT_MSG( dynobj , wxT("cannot call wxDynamicClassInfo::SetProperty on an object other than wxDynamicObject") ) ; | |
687 | if ( FindPropertyInfoInThisClass(propertyName) ) | |
688 | return dynobj->GetProperty( propertyName ) ; | |
689 | else | |
690 | return GetParents()[0]->GetProperty( dynobj->GetSuperClassInstance() , propertyName ) ; | |
691 | } | |
692 | ||
693 | void wxDynamicClassInfo::AddProperty( const wxChar *propertyName , const wxTypeInfo* typeInfo ) | |
694 | { | |
695 | new wxPropertyInfo( m_firstProperty , this , propertyName , typeInfo->GetTypeName() , new wxGenericPropertyAccessor( propertyName ) , wxxVariant() ) ; | |
696 | } | |
697 | ||
698 | void wxDynamicClassInfo::AddHandler( const wxChar *handlerName , wxObjectEventFunction address , const wxClassInfo* eventClassInfo ) | |
699 | { | |
700 | new wxHandlerInfo( m_firstHandler , this , handlerName , address , eventClassInfo ) ; | |
701 | } | |
702 | ||
703 | // removes an existing runtime-property | |
704 | void wxDynamicClassInfo::RemoveProperty( const wxChar *propertyName ) | |
705 | { | |
706 | for ( wxDynamicObjectList::iterator iter = m_data->m_dynamicObjects.begin() ; iter != m_data->m_dynamicObjects.end() ; ++iter ) | |
707 | (*iter)->RemoveProperty( propertyName ) ; | |
708 | delete FindPropertyInfoInThisClass(propertyName) ; | |
709 | } | |
710 | ||
711 | // removes an existing runtime-handler | |
712 | void wxDynamicClassInfo::RemoveHandler( const wxChar *handlerName ) | |
713 | { | |
714 | delete FindHandlerInfoInThisClass(handlerName) ; | |
715 | } | |
716 | ||
717 | // renames an existing runtime-property | |
718 | void wxDynamicClassInfo::RenameProperty( const wxChar *oldPropertyName , const wxChar *newPropertyName ) | |
719 | { | |
720 | wxPropertyInfo* pi = FindPropertyInfoInThisClass(oldPropertyName) ; | |
721 | wxASSERT_MSG( pi ,wxT("not existing property") ) ; | |
722 | pi->m_name = newPropertyName ; | |
723 | dynamic_cast<wxGenericPropertyAccessor*>(pi->GetAccessor())->RenameProperty( oldPropertyName , newPropertyName ) ; | |
724 | for ( wxDynamicObjectList::iterator iter = m_data->m_dynamicObjects.begin() ; iter != m_data->m_dynamicObjects.end() ; ++iter ) | |
725 | (*iter)->RenameProperty( oldPropertyName , newPropertyName ) ; | |
726 | } | |
727 | ||
728 | // renames an existing runtime-handler | |
729 | void wxDynamicClassInfo::RenameHandler( const wxChar *oldHandlerName , const wxChar *newHandlerName ) | |
730 | { | |
731 | wxASSERT_MSG(FindHandlerInfoInThisClass(oldHandlerName),wxT("not existing handler") ) ; | |
732 | FindHandlerInfoInThisClass(oldHandlerName)->m_name = newHandlerName ; | |
733 | } | |
734 | ||
735 | // ---------------------------------------------------------------------------- | |
736 | // wxGenericPropertyAccessor | |
737 | // ---------------------------------------------------------------------------- | |
738 | ||
739 | struct wxGenericPropertyAccessor::wxGenericPropertyAccessorInternal | |
740 | { | |
741 | char filler ; | |
742 | } ; | |
743 | ||
744 | wxGenericPropertyAccessor::wxGenericPropertyAccessor( const wxString& propertyName ) | |
745 | : wxPropertyAccessor( NULL , NULL , NULL , NULL ) | |
746 | { | |
747 | m_data = new wxGenericPropertyAccessorInternal ; | |
748 | m_propertyName = propertyName ; | |
749 | m_getterName = wxT("Get")+propertyName ; | |
750 | m_setterName = wxT("Set")+propertyName ; | |
751 | } | |
752 | ||
753 | wxGenericPropertyAccessor::~wxGenericPropertyAccessor() | |
754 | { | |
755 | delete m_data ; | |
756 | } | |
757 | void wxGenericPropertyAccessor::SetProperty(wxObject *object, const wxxVariant &value) const | |
758 | { | |
759 | wxDynamicObject* dynobj = dynamic_cast< wxDynamicObject * >( object ) ; | |
760 | wxASSERT_MSG( dynobj , wxT("cannot call wxDynamicClassInfo::SetProperty on an object other than wxDynamicObject") ) ; | |
761 | dynobj->SetProperty(m_propertyName , value ) ; | |
762 | } | |
763 | ||
764 | void wxGenericPropertyAccessor::GetProperty(const wxObject *object, wxxVariant& value) const | |
765 | { | |
766 | const wxDynamicObject* dynobj = dynamic_cast< const wxDynamicObject * >( object ) ; | |
767 | wxASSERT_MSG( dynobj , wxT("cannot call wxDynamicClassInfo::SetProperty on an object other than wxDynamicObject") ) ; | |
768 | value = dynobj->GetProperty( m_propertyName ) ; | |
769 | } | |
770 | #endif |