bakery 2.6

AssociationBase.h

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00001 /*
00002  * Copyright 2002 The Bakery team
00003  *
00004  * This library is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU Library General Public
00006  * License as published by the Free Software Foundation; either
00007  * version 2 of the License, or (at your option) any later version.
00008  *
00009  * This library is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * Library General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU Library General Public
00015  * License along with this library; if not, write to the Free
00016  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017  */
00018 
00019 #ifndef BAKERY_CONFIGURATION_ASSOCIATIONBASE_H
00020 #define BAKERY_CONFIGURATION_ASSOCIATIONBASE_H
00021 
00022 #include <gconfmm.h>
00023 #include <gtkmm/widget.h>
00024 #include <bakery/Utilities/sharedptr.h>
00025 
00026 namespace Bakery
00027 {
00028 
00029 namespace Conf
00030 {
00031 
00034 class AssociationBase : public sigc::trackable
00035 {
00036 public:
00037   typedef sharedptr<AssociationBase> AssociationPtr;
00038   typedef sharedptr<const AssociationBase> AssociationConstPtr;
00039     
00040   void add(const Glib::RefPtr<Gnome::Conf::Client>& conf_client);
00041 
00042 #ifdef GLIBMM_EXCEPTIONS_ENABLED
00043   void load();
00044   void save();
00045 #else
00046   // TODO: Ignore errors in these functions?
00047   void load(std::auto_ptr<Glib::Error>& error);
00048   void save(std::auto_ptr<Glib::Error>& error);
00049 #endif
00050 
00051   virtual ~AssociationBase();
00052     
00053 protected:
00054   AssociationBase(const Glib::ustring& full_key, bool instant);
00055   AssociationBase(const AssociationBase& other); // Not implemented
00056 
00057 
00058   bool is_instant() const;
00059   Glib::ustring get_key() const;
00060   Glib::RefPtr<const Gnome::Conf::Client> get_conf_client() const;
00061   Glib::RefPtr<Gnome::Conf::Client> get_conf_client();
00062     
00063   typedef sigc::slot<void> Callback;
00064   virtual void connect_widget(Callback on_widget_changed) = 0;
00065 
00066 #ifdef GLIBMM_EXCEPTIONS_ENABLED
00067   virtual void load_widget() = 0;
00068   virtual void save_widget() = 0;
00069 #else
00070   virtual void load_widget(std::auto_ptr<Glib::Error>& error) = 0;
00071   virtual void save_widget(std::auto_ptr<Glib::Error>& error) = 0;
00072 #endif
00073 
00074   void on_widget_changed();
00075   void on_conf_changed(guint cnxn_id, Gnome::Conf::Entry entry);
00076 
00077   Glib::ustring m_key;
00078   bool m_instant;
00079   Glib::RefPtr<Gnome::Conf::Client> m_conf_client;
00080 };
00081 
00082 } //namespace Conf
00083 
00084 } //namespace Bakery
00085 
00086 #endif //BAKERY_CONFIGURATION_ASSOCIATIONBASE_H