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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: module.cpp
3 // Purpose: Modules initialization/destruction
4 // Author: Wolfram Gloger/adapted by Guilhem Lavaux
5 // Modified by:
6 // Created: 04/11/98
7 // RCS-ID: $Id$
8 // Copyright: (c) Wolfram Gloger and Guilhem Lavaux
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
13 #pragma implementation "module.h"
14 #endif
15
16 // For compilers that support precompilation, includes "wx.h".
17 #include "wx/wxprec.h"
18
19 #ifdef __BORLANDC__
20 #pragma hdrstop
21 #endif
22
23 #include "wx/module.h"
24 #include "wx/hash.h"
25 #include "wx/intl.h"
26 #include "wx/log.h"
27 #include "wx/listimpl.cpp"
28
29 WX_DEFINE_LIST(wxModuleList);
30
31 IMPLEMENT_CLASS(wxModule, wxObject)
32
33 wxModuleList wxModule::m_modules;
34
35 void wxModule::RegisterModule(wxModule* module)
36 {
37 m_modules.Append(module);
38 }
39
40 void wxModule::UnregisterModule(wxModule* module)
41 {
42 m_modules.DeleteObject(module);
43 delete module;
44 }
45
46 // Collect up all module-derived classes, create an instance of each,
47 // and register them.
48 void wxModule::RegisterModules()
49 {
50 wxHashTable::compatibility_iterator node;
51 wxClassInfo* classInfo;
52
53 wxClassInfo::sm_classTable->BeginFind();
54 node = wxClassInfo::sm_classTable->Next();
55 while (node)
56 {
57 classInfo = (wxClassInfo *)node->GetData();
58 if ( classInfo->IsKindOf(CLASSINFO(wxModule)) &&
59 (classInfo != (& (wxModule::ms_classInfo))) )
60 {
61 wxModule* module = (wxModule *)classInfo->CreateObject();
62 RegisterModule(module);
63 }
64 node = wxClassInfo::sm_classTable->Next();
65 }
66 }
67
68 bool wxModule::InitializeModules()
69 {
70 // Initialize user-defined modules
71 wxModuleList::compatibility_iterator node;
72 for ( node = m_modules.GetFirst(); node; node = node->GetNext() )
73 {
74 wxModule *module = node->GetData();
75 if ( !module->Init() )
76 {
77 wxLogError(_("Module \"%s\" initialization failed"),
78 module->GetClassInfo()->GetClassName());
79
80 // clean up already initialized modules - process in reverse order
81 wxModuleList::compatibility_iterator n;
82 for ( n = node->GetPrevious(); n; n = n->GetPrevious() )
83 {
84 n->GetData()->OnExit();
85 }
86
87 return false;
88 }
89 }
90
91 return true;
92 }
93
94 void wxModule::CleanUpModules()
95 {
96 // Cleanup user-defined modules
97 wxModuleList::compatibility_iterator node;
98 for ( node = m_modules.GetFirst(); node; node = node->GetNext() )
99 {
100 node->GetData()->Exit();
101 }
102
103 WX_CLEAR_LIST(wxModuleList, m_modules);
104 }
105