//bonobo_property_bag_notify_listeners(prop_bag,);
}
+
+/*
+GtkMathViewPresistFile *
+gtk_math_view_bonobo_data_construct(gchar *data_file)
+{
+ BonoboObject *retval;
+ BonoboPersistFile *file;
+
+ file = bonobo_persist_file_new(gtk_math_view_load_from_file,
+ gtk_math_view_save_to_file,
+ "OAFIID:GNOME_MATH_VIEW_FILE_Control",
+ data_file);
+
+ if(file == NULL)
+ {
+ bonobo_object_unref(BONOBO_OBJECT (data_file));
+ g_warning("gtk_math_view_bonobo_data_construct:unable to create a new file");
+ return NULL;
+ }
+
+ bonobo_object_add_interface(BONOBO_OBJECT(data_file),
+ BONOBO_OBJECT(file));
+ return data_file;
+}
+
+static gint
+gtk_math_view_bonobo_load_from_file(BonoboPresistFile *pf,
+ const CORBA_char *filename,
+ CORBA_Environment *ev,
+ void *closure)
+{
+ Bonobo_PersistStream ps = closure;
+ BonoboStream *stream;
+
+ g_return_val_if_fail (data != NULL, -1);
+ //FIXME: controllo del tipo di dato in input
+
+ stram = bonobo_stream_open(
+ BONOBO_IO_DRIVER_FS,
+ filename,Bonobo_STORAGE_READ,
+ 0);
+ if(!stream)
+ return 0;
+
+ //FIXME:I have to extract content type from file
+
+
+ Bonobo_PersistStream_load(ps, type, ev);
+
+ return 1; //return 1 on success
+}
+
+static gint
+gtk_math_view_bonobo_save_to_file(BonoboPresistFile *pf,
+ const CORBA_char *filename,
+ CORBA_Environment *ev,
+ void *closure)
+{
+ return 1; //return 1 on success
+}*/
+
+