+ return window_model_type;
+}
+
+
+void
+psppire_window_save (PsppireWindow *w)
+{
+ PsppireWindowIface *i = PSPPIRE_WINDOW_MODEL_GET_IFACE (w);
+
+ g_assert (i);
+ g_return_if_fail (i->save);
+
+ if (w->filename == NULL)
+ psppire_window_save_as (w);
+ else
+ {
+ i->save (w);
+ w->dirty = FALSE;
+ psppire_window_set_title (w);
+ }
+}
+
+void
+psppire_window_save_as (PsppireWindow *w)
+{
+ PsppireWindowIface *i = PSPPIRE_WINDOW_MODEL_GET_IFACE (w);
+ gchar *old_filename;
+
+ g_assert (i);
+ g_return_if_fail (i->pick_filename);
+
+ old_filename = w->filename;
+ w->filename = NULL;
+
+ i->pick_filename (w);
+ if (w->filename == NULL)
+ w->filename = old_filename;
+ else
+ {
+ g_free (old_filename);
+ psppire_window_save (w);
+ }
+}
+
+extern GtkRecentManager *the_recent_mgr;
+
+static void add_most_recent (const char *file_name, GtkRecentManager *rm);
+static void delete_recent (const char *file_name, GtkRecentManager *rm);
+
+gboolean
+psppire_window_load (PsppireWindow *w, const gchar *file)
+{
+ gboolean ok;
+ PsppireWindowIface *i = PSPPIRE_WINDOW_MODEL_GET_IFACE (w);
+
+ g_assert (PSPPIRE_IS_WINDOW_MODEL (w));
+
+ g_assert (i);
+
+ g_return_val_if_fail (i->load, FALSE);
+
+ ok = i->load (w, file);
+
+ if ( ok )
+ {
+ psppire_window_set_filename (w, file);
+ add_most_recent (file, the_recent_mgr);
+ w->dirty = FALSE;
+ }
+ else
+ delete_recent (file, the_recent_mgr);
+
+ psppire_window_set_title (w);
+
+ return ok;
+}
+
+GtkWidget *
+psppire_window_file_chooser_dialog (PsppireWindow *toplevel)
+{
+ GtkWidget *dialog =
+ gtk_file_chooser_dialog_new (_("Open"),
+ GTK_WINDOW (toplevel),
+ GTK_FILE_CHOOSER_ACTION_OPEN,
+ GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+ GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
+ NULL);
+
+ GtkFileFilter *filter;
+
+ filter = gtk_file_filter_new ();
+ gtk_file_filter_set_name (filter, _("Data and Syntax Files"));
+ gtk_file_filter_add_pattern (filter, "*.sav");
+ gtk_file_filter_add_pattern (filter, "*.SAV");
+ gtk_file_filter_add_pattern (filter, "*.por");
+ gtk_file_filter_add_pattern (filter, "*.POR");
+ gtk_file_filter_add_pattern (filter, "*.sps");
+ gtk_file_filter_add_pattern (filter, "*.SPS");
+ gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
+
+ filter = gtk_file_filter_new ();
+ gtk_file_filter_set_name (filter, _("System Files (*.sav)"));
+ gtk_file_filter_add_pattern (filter, "*.sav");
+ gtk_file_filter_add_pattern (filter, "*.SAV");
+ gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
+
+ filter = gtk_file_filter_new ();
+ gtk_file_filter_set_name (filter, _("Portable Files (*.por) "));
+ gtk_file_filter_add_pattern (filter, "*.por");
+ gtk_file_filter_add_pattern (filter, "*.POR");
+ gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
+
+ filter = gtk_file_filter_new ();
+ gtk_file_filter_set_name (filter, _("Syntax Files (*.sps) "));
+ gtk_file_filter_add_pattern (filter, "*.sps");
+ gtk_file_filter_add_pattern (filter, "*.SPS");
+ gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
+
+ filter = gtk_file_filter_new ();
+ gtk_file_filter_set_name (filter, _("All Files"));
+ gtk_file_filter_add_pattern (filter, "*");
+ gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
+
+ if (toplevel->filename)
+ {
+ const gchar *filename = toplevel->filename;
+ gchar *dir_name;
+
+ if ( ! g_path_is_absolute (filename))
+ {
+ gchar *path =
+ g_build_filename (g_get_current_dir (), filename, NULL);
+ dir_name = g_path_get_dirname (path);
+ g_free (path);
+ }
+ else
+ {
+ dir_name = g_path_get_dirname (filename);
+ }
+ gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (dialog),
+ dir_name);
+ free (dir_name);
+ }
+
+ return dialog;
+}