Application: gvSIG desktop

/////////////////////////////////////////////////////////////////////////////

// Name:        module.h

// Purpose:     Modules handling

// Author:      Wolfram Gloger/adapted by Guilhem Lavaux

// Modified by:

// Created:     04/11/98

// RCS-ID:      $Id: module.h 6834 2006-08-24 08:23:24Z jmvivo $

// Copyright:   (c) Wolfram Gloger and Guilhem Lavaux

// Licence:     wxWindows licence

/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_MODULEH__

#define _WX_MODULEH__

#include "wx/object.h"

#include "wx/list.h"

// declare a linked list of modules

class wxModule;

WX_DECLARE_EXPORTED_LIST(wxModule, wxModuleList);

// declaring a class derived from wxModule will automatically create an

// instance of this class on program startup, call its OnInit() method and call

// OnExit() on program termination (but only if OnInit() succeeded)

class WXDLLEXPORT wxModule : public wxObject

{

public:

    wxModule() {}

    virtual ~wxModule() {}

            // if module init routine returns FALSE application

        // will fail to startup

    bool Init() { return OnInit(); }

    void Exit() { OnExit(); }

        // Override both of these

        // called on program startup

    virtual bool OnInit() = 0;

            // called just before program termination, but only if OnInit()

        // succeeded

    virtual void OnExit() = 0;

    static void RegisterModule(wxModule* module);

    static void RegisterModules();

    static bool InitializeModules();

    static void CleanUpModules();

            // used by wxObjectLoader when unloading shared libs's

    static void UnregisterModule(wxModule* module);

protected:

    static wxModuleList m_modules;

    DECLARE_CLASS(wxModule)

};

#endif // _WX_MODULEH__