00001 /* 00002 * Copyright 2000 Murray Cumming 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_APP_WITHDOC_H 00020 #define BAKERY_APP_WITHDOC_H 00021 00022 #include <bakery/App/App.h> 00023 #include <bakery/Document/Document.h> 00024 00025 namespace Bakery 00026 { 00027 00056 class App_WithDoc : virtual public App //virtual because App_WithDoc_Gtk will inherit it via App_With_Doc and via App_Gtk. 00057 { 00058 public: 00060 App_WithDoc(const Glib::ustring& appname = ""); //TODO: appname when using get_derived_widget() 00061 00062 virtual ~App_WithDoc(); 00063 00064 virtual void init(); //overridden to create document. 00065 00066 enum enumSaveChanges 00067 { 00068 SAVECHANGES_Save, 00069 SAVECHANGES_Cancel, 00070 SAVECHANGES_Discard 00071 }; 00072 00073 static bool file_exists(const Glib::ustring& uri); 00074 00075 protected: 00076 virtual void init_create_document(); //override this to new() the specific document type. 00077 00082 static void add_mime_type(const Glib::ustring& mime_type); 00083 00085 virtual Document* get_document(); 00086 00088 virtual const Document* get_document() const ; 00089 00090 virtual void set_document_modified(bool bModified = true); 00091 00093 virtual bool open_document(const Glib::ustring& file_uri); 00094 00095 virtual void document_history_add(const Glib::ustring& file_uri); 00096 virtual void document_history_remove(const Glib::ustring& file_uri); 00097 00098 public: // We can not take function pointers of these methods in a 00099 // derived class, if they are protected - for instance, with sigc::mem_fun() 00100 //Signal handlers: 00101 00102 //Menu items: 00103 virtual void on_menu_file_open(); 00104 virtual void on_menu_file_saveas(); //signal handler. 00105 virtual void offer_saveas(); //For direct use. 00106 virtual void on_menu_file_save(); //signal handler. 00107 virtual void on_menu_file_close(); 00108 00109 virtual void on_menu_edit_copy(); 00110 virtual void on_menu_edit_paste(); 00111 virtual void on_menu_edit_clear(); 00112 00113 protected: 00114 //Document: 00116 virtual void on_document_modified(bool modified); 00117 00119 virtual bool on_document_load(); 00120 00121 00122 virtual void offer_to_save_changes(); 00123 00125 virtual void cancel_close_or_exit(); 00126 00128 virtual void close_mark_or_destroy(); 00129 00130 virtual void update_window_title(); 00131 00132 virtual void after_successful_save(); //e.g. disable File|Save. 00133 00134 virtual void ui_warning(const Glib::ustring& text, const Glib::ustring& secondary_text) = 0; 00135 virtual Glib::ustring ui_file_select_open(const Glib::ustring& ui_file_select_open = Glib::ustring()) = 0; 00136 00141 virtual Glib::ustring ui_file_select_save(const Glib::ustring& old_file_uri) = 0; 00142 00143 virtual void ui_show_modification_status() = 0; 00144 00145 virtual enumSaveChanges ui_offer_to_save_changes() = 0; 00146 00147 static Glib::ustring get_conf_fullkey(const Glib::ustring& key); 00148 00149 //Document: 00150 Document* m_pDocument; //An instance of a derived type. 00151 bool m_bCloseAfterSave; 00152 00153 //Mime types which this application can load and save: 00154 typedef std::list<Glib::ustring> type_list_strings; 00155 static type_list_strings m_mime_types; 00156 }; 00157 00158 } //namespace 00159 00160 #endif //BAKERY_APP_WITHDOC_H