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 #ifdef __SALFORDC__
  28 void wxwxModuleListNode::DeleteData()
  29 {
  30     delete (_WX_LIST_ITEM_TYPE_wxModuleList *)GetData();
  31 }
  32 #else
  33 WX_DEFINE_LIST(wxModuleList);
  34 #endif
  35
  36 IMPLEMENT_CLASS(wxModule, wxObject)
  37
  38 wxModuleList wxModule::m_modules;
  39
  40 void wxModule::RegisterModule(wxModule* module)
  41 {
  42     m_modules.Append(module);
  43 }
  44
  45 // Collect up all module-derived classes, create an instance of each,
  46 // and register them.
  47 void wxModule::RegisterModules()
  48 {
  49     wxNode *node;
  50     wxClassInfo* classInfo;
  51
  52     wxClassInfo::sm_classTable->BeginFind();
  53     node = wxClassInfo::sm_classTable->Next();
  54     while (node)
  55     {
  56         classInfo = (wxClassInfo *)node->Data();
  57         if ( classInfo->IsKindOf(CLASSINFO(wxModule)) &&
  58             (classInfo != (& (wxModule::sm_classwxModule))) )
  59         {
  60             wxModule* module = (wxModule *)classInfo->CreateObject();
  61             RegisterModule(module);
  62         }
  63         node = wxClassInfo::sm_classTable->Next();
  64     }
  65 }
  66
  67 bool wxModule::InitializeModules()
  68 {
  69     // Initialize user-defined modules
  70     wxModuleList::Node *node;
  71     for ( node = m_modules.GetFirst(); node; node = node->GetNext() )
  72     {
  73         if ( !node->GetData()->Init() )
  74         {
  75             // clean up already initialized modules - process in reverse order
  76             wxModuleList::Node *n;
  77             for ( n = node->GetPrevious(); n; n = n->GetPrevious() )
  78             {
  79                 n->GetData()->OnExit();
  80             }
  81
  82             return FALSE;
  83         }
  84     }
  85
  86     return TRUE;
  87 }
  88
  89 void wxModule::CleanUpModules()
  90 {
  91     // Cleanup user-defined modules
  92     wxModuleList::Node *node;
  93     for ( node = m_modules.GetFirst(); node; node = node->GetNext() )
  94     {
  95         node->GetData()->Exit();
  96     }
  97
  98     m_modules.DeleteContents(TRUE);
  99     m_modules.Clear();
 100 }
 101