src/common/module.cpp

   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 #ifdef __GNUG__
  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/listimpl.cpp"
  26
  27 WX_DEFINE_LIST(wxModuleList);
  28
  29 IMPLEMENT_CLASS(wxModule, wxObject)
  30
  31 wxModuleList wxModule::m_modules;
  32
  33 void wxModule::RegisterModule(wxModule* module)
  34 {
  35     m_modules.Append(module);
  36 }
  37
  38 // Collect up all module-derived classes, create an instance of each,
  39 // and register them.
  40 void wxModule::RegisterModules()
  41 {
  42     wxNode *node;
  43     wxClassInfo* classInfo;
  44
  45     wxClassInfo::sm_classTable->BeginFind();
  46     node = wxClassInfo::sm_classTable->Next();
  47     while (node)
  48     {
  49         classInfo = (wxClassInfo *)node->Data();
  50         if ( classInfo->IsKindOf(CLASSINFO(wxModule)) &&
  51             (classInfo != (& (wxModule::sm_classwxModule))) )
  52         {
  53             wxModule* module = (wxModule *)classInfo->CreateObject();
  54             RegisterModule(module);
  55         }
  56         node = wxClassInfo::sm_classTable->Next();
  57     }
  58 }
  59
  60 bool wxModule::InitializeModules()
  61 {
  62     // Initialize user-defined modules
  63     wxModuleList::Node *node;
  64     for ( node = m_modules.GetFirst(); node; node = node->GetNext() )
  65     {
  66         if ( !node->GetData()->Init() )
  67         {
  68             // clean up already initialized modules - process in reverse order
  69             wxModuleList::Node *n;
  70             for ( n = node->GetPrevious(); n; n = n->GetPrevious() )
  71             {
  72                 n->GetData()->OnExit();
  73             }
  74
  75             return FALSE;
  76         }
  77     }
  78
  79     return TRUE;
  80 }
  81
  82 void wxModule::CleanUpModules()
  83 {
  84     // Cleanup user-defined modules
  85     wxModuleList::Node *node;
  86     for ( node = m_modules.GetFirst(); node; node = node->GetNext() )
  87     {
  88         node->GetData()->Exit();
  89     }
  90
  91     m_modules.DeleteContents(TRUE);
  92     m_modules.Clear();
  93 }
  94