Make the missing value code do more work, so that its callers can do
[pspp-builds.git] / src / ui / gui / menu-actions.c
index 3180045236cfed4f67752fc2dbe6626aa8caedaa..265cd6c9a2e07219cf1d79d3fb29ae0c37b48b9a 100644 (file)
@@ -1,7 +1,6 @@
-/* 
+/*
     PSPPIRE --- A Graphical User Interface for PSPP
-    Copyright (C) 2004, 2005  Free Software Foundation
-    Written by John Darrington
+    Copyright (C) 2004, 2005, 2006  Free Software Foundation
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
 
 #include <config.h>
 #include <stdlib.h>
+#include <gettext.h>
+#define _(msgid) gettext (msgid)
+#define N_(msgid) msgid
 
+#include <math/sort.h>
+
+#include <data/casefile.h>
 #include <data/file-handle-def.h>
 #include <data/sys-file-reader.h>
 #include <data/case.h>
+#include <data/variable.h>
 
 #include <glade/glade.h>
 #include <gtk/gtk.h>
 
+#include <libpspp/str.h>
+
 #include <gtksheet/gtksheet.h>
 #include "helper.h"
 #include "menu-actions.h"
-#include "psppire-variable.h"
+
 #include "psppire-dict.h"
 
 #include "var-sheet.h"
 #include "psppire-var-store.h"
 #include "psppire-data-store.h"
 
-#define _(A) A
-#define N_(A) A
+#include "sort-cases-dialog.h"
 
 
 extern GladeXML *xml;
 
 
 extern PsppireDict *the_dictionary ;
-extern PsppireCaseArray *the_cases ;
-
 
 static struct file_handle *psppire_handle = 0;
 
 static const gchar handle_name[] = "psppire_handle";
 
-static const gchar untitled[] = _("Untitled");
+static const gchar untitled[] = N_("Untitled");
 
-static const gchar window_title[]=_("PSPP Data Editor");
+static const gchar window_title[] = N_("PSPP Data Editor");
 
 
+/* Sets the title bar to TEXT */
 static void
 psppire_set_window_title(const gchar *text)
 {
   GtkWidget *data_editor = get_widget_assert(xml, "data_editor");
-  
-  gchar *title = g_strdup_printf("%s --- %s", text, window_title);
+
+  gchar *title = g_strdup_printf("%s --- %s", text, gettext(window_title));
 
   gtk_window_set_title(GTK_WINDOW(data_editor), title);
 
   g_free(title);
 }
 
-void
-on_new1_activate                       (GtkMenuItem     *menuitem,
-                                        gpointer         user_data)
+/* Clear the active file and set the data and var sheets to
+   reflect this.
+ */
+gboolean
+clear_file(void)
 {
-  psppire_dict_clear(the_dictionary);
-  psppire_case_array_clear(the_cases);
+  PsppireDataStore *data_store ;
+  GtkSheet *data_sheet = GTK_SHEET(get_widget_assert(xml, "data_sheet"));
+  GtkSheet *var_sheet = GTK_SHEET(get_widget_assert(xml, "variable_sheet"));
+
+  gtk_sheet_set_active_cell(data_sheet, -1, -1);
+  gtk_sheet_set_active_cell(var_sheet, 0, 0);
 
-  psppire_set_window_title(untitled);
+  if ( GTK_WIDGET_REALIZED(GTK_WIDGET(data_sheet)))
+    gtk_sheet_unselect_range(data_sheet);
+
+  if ( GTK_WIDGET_REALIZED(GTK_WIDGET(var_sheet)))
+    gtk_sheet_unselect_range(var_sheet);
+
+  gtk_sheet_moveto(data_sheet, 0, 0, 0.0, 0.0);
+  gtk_sheet_moveto(var_sheet,  0, 0, 0.0, 0.0);
+
+  data_store = PSPPIRE_DATA_STORE(gtk_sheet_get_model(data_sheet));
+
+  psppire_data_store_clear(data_store);
+
+  psppire_set_window_title(gettext(untitled));
 
   if (psppire_handle)
     fh_free(psppire_handle);
   psppire_handle = 0 ;
+
+  return TRUE;
 }
 
-static gboolean
-populate_case_from_reader(struct ccase *c, gpointer aux)
+void
+on_new1_activate                       (GtkMenuItem     *menuitem,
+                                        gpointer         user_data)
 {
-  struct sfm_reader *reader = aux;
-
-  return sfm_read_case(reader, c);
+  clear_file();
 }
 
 
+
+/* Load a system file.
+   Return TRUE if successfull
+*/
+gboolean
+load_system_file(const gchar *file_name)
+{
+  int var_cnt ;
+
+  PsppireVarStore *var_store ;
+  PsppireDataStore *data_store ;
+  struct dictionary *new_dict;
+  struct sfm_read_info ri;
+  struct sfm_reader *reader ;
+
+  GtkWidget *data_sheet = get_widget_assert(xml, "data_sheet");
+  GtkWidget *var_sheet = get_widget_assert(xml, "variable_sheet");
+
+  g_assert(data_sheet);
+  g_assert(var_sheet);
+
+  clear_file();
+
+  psppire_handle =
+    fh_create_file (handle_name, file_name, fh_default_properties());
+
+  if ( !psppire_handle )
+    {
+      g_warning("Cannot read handle for reading system file \"%s\"\n",
+               file_name);
+      return FALSE;
+    }
+
+  reader = sfm_open_reader (psppire_handle, &new_dict, &ri);
+
+  if ( ! reader )
+    return FALSE;
+
+  /* FIXME: We need a better way of updating a dictionary than this */
+  the_dictionary = psppire_dict_new_from_dict(new_dict);
+
+  var_store =
+    PSPPIRE_VAR_STORE(gtk_sheet_get_model(GTK_SHEET(var_sheet)));
+
+  psppire_var_store_set_dictionary(var_store, the_dictionary);
+
+
+  data_store =
+    PSPPIRE_DATA_STORE(gtk_sheet_get_model(GTK_SHEET(data_sheet)));
+
+  psppire_data_store_set_dictionary(data_store,
+                                   the_dictionary);
+
+  psppire_set_window_title(basename(file_name));
+
+  var_cnt = dict_get_next_value_idx(the_dictionary->dict);
+  if ( var_cnt == 0 )
+    return FALSE;
+
+
+  for(;;)
+    {
+      struct ccase c;
+      case_create(&c, var_cnt);
+      if ( 0 == sfm_read_case (reader, &c) )
+       {
+         case_destroy(&c);
+         break;
+       }
+
+      if ( !psppire_case_file_append_case(data_store->case_file, &c) )
+       {
+         g_warning("Cannot write case to casefile\n");
+         break;
+       }
+      case_destroy(&c);
+    }
+
+  sfm_close_reader(reader);
+
+  psppire_case_file_get_case_count(data_store->case_file);
+
+  return TRUE;
+}
+
 void
-on_open1_activate                      (GtkMenuItem     *menuitem,
-                                        gpointer         user_data)
+open_data                      (GtkMenuItem     *menuitem,
+                               gpointer         user_data)
 {
   bool finished = FALSE;
 
   GtkWidget *dialog;
   GtkWidget *data_editor  = get_widget_assert(xml, "data_editor");
   GtkFileFilter *filter ;
+
   dialog = gtk_file_chooser_dialog_new (_("Open"),
                                        GTK_WINDOW(data_editor),
                                        GTK_FILE_CHOOSER_ACTION_OPEN,
@@ -129,102 +240,46 @@ on_open1_activate                      (GtkMenuItem     *menuitem,
   gtk_file_filter_add_pattern(filter, "*");
   gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(dialog), filter);
 
-
   do {
 
     if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
       {
-       PsppireVarStore *var_store ;
-       PsppireDataStore *data_store ;
-       struct dictionary *new_dict;
-       struct sfm_read_info ri;
-       struct sfm_reader *reader ; 
-
-       GtkWidget *data_sheet = get_widget_assert(xml, "data_sheet");
-       GtkWidget *var_sheet = get_widget_assert(xml, "variable_sheet");
-       gchar *file_name;
-
-       g_assert(data_sheet);
-       g_assert(var_sheet);
-
-       file_name = gtk_file_chooser_get_filename
-         (GTK_FILE_CHOOSER (dialog));
-
-       if ( psppire_handle ) 
-         fh_free(psppire_handle);
-
-       psppire_handle = 
-         fh_create_file (handle_name, file_name, fh_default_properties());
-
-       if ( !psppire_handle ) 
-         {
-           g_warning("Cannot read handle for reading system file \"%s\"\n", 
-                     file_name);
-           continue;
-         }
-
-
-       reader = sfm_open_reader (psppire_handle, &new_dict, &ri);
-      
-       if ( ! reader ) 
-         continue;
-
-       the_dictionary = psppire_dict_new_from_dict(new_dict);
-
-       var_store = 
-         PSPPIRE_VAR_STORE(gtk_sheet_get_model(GTK_SHEET(var_sheet)));
-       
-       psppire_var_store_set_dictionary(var_store, the_dictionary);
-
-
-       data_store = 
-         PSPPIRE_DATA_STORE(gtk_sheet_get_model(GTK_SHEET(data_sheet)));
-       
+       gchar *file_name =
+         gtk_file_chooser_get_filename(GTK_FILE_CHOOSER (dialog));
 
-       psppire_data_store_set_dictionary(data_store,
-                                         the_dictionary);
+       finished =  load_system_file(file_name) ;
 
-       psppire_case_array_clear(data_store->cases);
-
-
-       psppire_set_window_title(basename(file_name));
-
-       g_free (file_name);
-
-       {
-         const int ni = dict_get_next_value_idx(the_dictionary->dict);
-         gint case_num;
-         if ( ni == 0 ) 
-           goto done;
-      
-
-         for(case_num=0;;case_num++)
-           {
-             if (!psppire_case_array_add_case(the_cases, 
-                                              populate_case_from_reader, 
-                                              reader))
-               break;
-           }
-       }
-
-       sfm_close_reader(reader);
-       finished = TRUE;
+       g_free(file_name);
       }
     else
-      {
-       finished = TRUE;
-      }
+      finished = TRUE;
+
   } while ( ! finished ) ;
 
- done:
   gtk_widget_destroy (dialog);
 }
 
 
+void
+on_data3_activate                      (GtkMenuItem     *menuitem,
+                                       gpointer         user_data)
+{
+  open_data(menuitem, user_data);
+}
+
+void
+on_data5_activate                      (GtkMenuItem     *menuitem,
+                                       gpointer         user_data)
+{
+  open_data(menuitem, user_data);
+}
+
+
 /* Re initialise HANDLE, by interrogating the user for a new file name */
-static void
+static gboolean
 recreate_save_handle(struct file_handle **handle)
 {
+  gint response;
   GtkWidget *dialog;
 
   GtkWidget *data_editor  = get_widget_assert(xml, "data_editor");
@@ -236,16 +291,19 @@ recreate_save_handle(struct file_handle **handle)
                                        GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
                                        NULL);
 
-  if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
+  response = gtk_dialog_run (GTK_DIALOG (dialog));
+
+  if (response == GTK_RESPONSE_ACCEPT)
     {
       char *file_name = gtk_file_chooser_get_filename
        (GTK_FILE_CHOOSER (dialog));
 
-#if 0
-      if ( *handle ) 
-       destroy_file_handle(*handle, 0);
-#endif
-      *handle = fh_create_file (handle_name, file_name, fh_default_properties());
+
+      if ( *handle )
+       fh_free(*handle);
+
+      *handle = fh_create_file (handle_name, file_name,
+                       fh_default_properties());
 
       psppire_set_window_title(basename(file_name));
 
@@ -253,6 +311,8 @@ recreate_save_handle(struct file_handle **handle)
     }
 
   gtk_widget_destroy (dialog);
+
+  return ( response == GTK_RESPONSE_ACCEPT ) ;
 }
 
 void
@@ -262,13 +322,16 @@ on_save1_activate                      (GtkMenuItem     *menuitem,
   GtkSheet *data_sheet ;
   PsppireDataStore *data_store ;
 
-  if ( ! psppire_handle ) 
-    recreate_save_handle(&psppire_handle);
-  
+  if ( ! psppire_handle )
+    {
+      if ( ! recreate_save_handle(&psppire_handle) )
+       return;
+    }
+
   data_sheet = GTK_SHEET(get_widget_assert(xml, "data_sheet"));
   data_store = PSPPIRE_DATA_STORE(gtk_sheet_get_model(data_sheet));
-  
-  if ( psppire_handle ) 
+
+  if ( psppire_handle )
     psppire_data_store_create_system_file(data_store,
                                       psppire_handle);
 }
@@ -281,14 +344,16 @@ on_save_as1_activate                   (GtkMenuItem     *menuitem,
   GtkSheet *data_sheet ;
   PsppireDataStore *data_store ;
 
-  recreate_save_handle(&psppire_handle);
-  if ( ! psppire_handle ) 
+  if ( ! recreate_save_handle(&psppire_handle) )
+    return ;
+
+  if ( ! psppire_handle )
     return ;
 
   data_sheet = GTK_SHEET(get_widget_assert(xml, "data_sheet"));
   data_store = PSPPIRE_DATA_STORE(gtk_sheet_get_model(data_sheet));
 
-  if ( psppire_handle ) 
+  if ( psppire_handle )
     psppire_data_store_create_system_file(data_store,
                                       psppire_handle);
 }
@@ -303,140 +368,115 @@ on_quit1_activate                      (GtkMenuItem     *menuitem,
 
 
 void
-on_cut1_activate                       (GtkMenuItem     *menuitem,
-                                        gpointer         user_data)
-{
-
-}
-
-
-void
-on_copy1_activate                      (GtkMenuItem     *menuitem,
-                                        gpointer         user_data)
-{
-
-}
-
-
-void
-on_paste1_activate                     (GtkMenuItem     *menuitem,
-                                        gpointer         user_data)
-{
-
-}
-
-
-void
-on_insert1_activate                    (GtkMenuItem     *menuitem,
-                                        gpointer         user_data)
+on_clear_activate                    (GtkMenuItem     *menuitem,
+                                     gpointer         user_data)
 {
   GtkNotebook *notebook = GTK_NOTEBOOK(get_widget_assert(xml, "notebook1"));
   gint page = -1;
 
   page = gtk_notebook_get_current_page(notebook);
 
-  switch (page) 
+  switch (page)
     {
+    case PAGE_VAR_SHEET:
+           break;
     case PAGE_DATA_SHEET:
       {
        GtkSheet *data_sheet = GTK_SHEET(get_widget_assert(xml, "data_sheet"));
-       PsppireDataStore *data_store = 
+       PsppireDataStore *data_store =
          PSPPIRE_DATA_STORE(gtk_sheet_get_model(data_sheet));
 
-       psppire_case_array_insert_case(data_store->cases, data_sheet->range.row0);
-      }
-      break;
-    case PAGE_VAR_SHEET:
-      {
-       GtkSheet *var_sheet = 
-         GTK_SHEET(get_widget_assert(xml, "variable_sheet"));
 
-       PsppireVarStore *var_store = 
-         PSPPIRE_VAR_STORE(gtk_sheet_get_model(var_sheet));
+       switch ( data_sheet->state )
+         {
+         case GTK_SHEET_ROW_SELECTED:
+           psppire_case_file_delete_cases(data_store->case_file,
+                                          data_sheet->range.rowi
+                                          - data_sheet->range.row0 + 1,
+                                          data_sheet->range.row0);
+           break;
+         case GTK_SHEET_COLUMN_SELECTED:
+           {
+             gint fv;
+             struct variable *pv =
+               psppire_dict_get_variable (the_dictionary,
+                                          data_sheet->range.col0);
 
-       psppire_dict_insert_variable(var_store->dict, var_sheet->range.row0, 0);
-      }
-      break;
-    }
-}
+             fv = var_get_case_index (pv);
 
-void
-on_delete1_activate                    (GtkMenuItem     *menuitem,
-                                        gpointer         user_data)
-{
-  gint page = -1;
-  GtkWidget *notebook = get_widget_assert(xml, "notebook1");
+             psppire_dict_delete_variables (the_dictionary,
+                                            data_sheet->range.col0,
+                                            1);
 
-  page = gtk_notebook_get_current_page(GTK_NOTEBOOK(notebook));
-  switch ( page) 
-    {
-    case PAGE_DATA_SHEET:
-      {
-       GtkSheet *data_sheet = GTK_SHEET(get_widget_assert(xml, "data_sheet"));
-       PsppireDataStore *data_store = 
-         PSPPIRE_DATA_STORE(gtk_sheet_get_model(data_sheet));
-
-       psppire_case_array_delete_cases(data_store->cases, 
-                                   data_sheet->range.row0, 
-                                   1 + data_sheet->range.rowi 
-                                   - data_sheet->range.row0  );
-      }
-      break;
-    case PAGE_VAR_SHEET:
-      {
-       GtkSheet *var_sheet = 
-         GTK_SHEET(get_widget_assert(xml, "variable_sheet"));
-
-       PsppireVarStore *var_store = 
-         PSPPIRE_VAR_STORE(gtk_sheet_get_model(var_sheet));
+             psppire_case_file_insert_values (data_store->case_file,
+                                              -1, fv);
+           }
+           break;
+         default:
+           gtk_sheet_cell_clear (data_sheet,
+                                 data_sheet->active_cell.row,
+                                 data_sheet->active_cell.col);
+           break;
+         }
 
-       psppire_dict_delete_variables(var_store->dict, 
-                                  var_sheet->range.row0,
-                                  1 + var_sheet->range.rowi 
-                                  - var_sheet->range.row0  );
       }
       break;
     }
-}
 
+}
 
 void
 on_about1_activate(GtkMenuItem     *menuitem,
                   gpointer         user_data)
 {
   GtkWidget *about =  get_widget_assert(xml, "aboutdialog1");
-  
-  
+
+
   GdkPixbuf *pb  = gdk_pixbuf_new_from_file_at_size( "pspplogo.png", 64, 64, 0);
 
   gtk_about_dialog_set_logo(GTK_ABOUT_DIALOG(about), pb);
 
   gtk_widget_show(about);
 
-  gtk_window_set_transient_for(GTK_WINDOW(about), 
+  gtk_window_set_transient_for(GTK_WINDOW(about),
                                GTK_WINDOW(get_widget_assert(xml, "data_editor")));
 }
 
 
-
+/* Set the value labels state from the toolbar's toggle button */
 void
-on_toolbars1_activate
-                     (GtkMenuItem     *menuitem,
-                                        gpointer         user_data)
+on_togglebutton_value_labels_toggled(GtkToggleToolButton *toggle_tool_button,
+                                    gpointer             user_data)
 {
+  GtkSheet *data_sheet = GTK_SHEET(get_widget_assert(xml, "data_sheet"));
+  GtkCheckMenuItem *item =
+    GTK_CHECK_MENU_ITEM(get_widget_assert(xml, "menuitem-value-labels"));
 
+  PsppireDataStore *ds = PSPPIRE_DATA_STORE(gtk_sheet_get_model(data_sheet));
+
+  gboolean show_value_labels = gtk_toggle_tool_button_get_active(toggle_tool_button);
 
+  gtk_check_menu_item_set_active(item, show_value_labels);
+
+  psppire_data_store_show_labels(ds, show_value_labels);
 }
 
+/* Set the value labels state from the view menu */
 void
-on_value_labels1_activate(GtkCheckMenuItem     *menuitem,
+on_value_labels_activate(GtkCheckMenuItem     *menuitem,
                          gpointer         user_data)
 {
   GtkSheet *data_sheet = GTK_SHEET(get_widget_assert(xml, "data_sheet"));
+  GtkToggleToolButton *tb =
+   GTK_TOGGLE_TOOL_BUTTON(get_widget_assert(xml, "togglebutton-value-labels"));
+
   PsppireDataStore *ds = PSPPIRE_DATA_STORE(gtk_sheet_get_model(data_sheet));
-               
-  psppire_data_store_show_labels(ds, 
-                             gtk_check_menu_item_get_active(menuitem));
+
+  gboolean show_value_labels = gtk_check_menu_item_get_active(menuitem);
+
+  gtk_toggle_tool_button_set_active(tb, show_value_labels);
+
+  psppire_data_store_show_labels(ds, show_value_labels);
 }
 
 void
@@ -444,7 +484,7 @@ on_status_bar1_activate(GtkCheckMenuItem     *menuitem,
  gpointer         user_data)
 {
 
-  if ( gtk_check_menu_item_get_active(menuitem) ) 
+  if ( gtk_check_menu_item_get_active(menuitem) )
     gtk_widget_show(get_widget_assert(xml, "statusbar1"));
   else
     gtk_widget_hide(get_widget_assert(xml, "statusbar1"));
@@ -455,7 +495,7 @@ on_grid_lines1_activate(GtkCheckMenuItem     *menuitem,
  gpointer         user_data)
 {
 
-  const bool grid_visible = gtk_check_menu_item_get_active(menuitem); 
+  const bool grid_visible = gtk_check_menu_item_get_active(menuitem);
 
   gtk_sheet_show_grid(GTK_SHEET(get_widget_assert(xml, "variable_sheet")),
                      grid_visible);
@@ -469,35 +509,35 @@ void
 on_fonts1_activate(GtkMenuItem     *menuitem,
  gpointer         user_data)
 {
-  static GtkWidget *dialog = 0 ; 
-  if ( !dialog ) 
+  static GtkWidget *dialog = 0 ;
+  if ( !dialog )
     dialog   = gtk_font_selection_dialog_new(_("Font Selection"));
 
-  gtk_window_set_transient_for(GTK_WINDOW(dialog), 
+  gtk_window_set_transient_for(GTK_WINDOW(dialog),
                                GTK_WINDOW(get_widget_assert(xml, "data_editor")));
 
 
-  if ( GTK_RESPONSE_OK == gtk_dialog_run(GTK_DIALOG(dialog)) ) 
+  if ( GTK_RESPONSE_OK == gtk_dialog_run(GTK_DIALOG(dialog)) )
     {
-      GtkSheet *data_sheet = 
+      GtkSheet *data_sheet =
        GTK_SHEET(get_widget_assert(xml, "data_sheet"));
 
-      GtkSheet *var_sheet = 
+      GtkSheet *var_sheet =
        GTK_SHEET(get_widget_assert(xml, "variable_sheet"));
 
       PsppireDataStore *ds = PSPPIRE_DATA_STORE(gtk_sheet_get_model(data_sheet));
       PsppireVarStore *vs = PSPPIRE_VAR_STORE(gtk_sheet_get_model(var_sheet));
 
-      const gchar *font = gtk_font_selection_dialog_get_font_name 
+      const gchar *font = gtk_font_selection_dialog_get_font_name
        (GTK_FONT_SELECTION_DIALOG(dialog));
 
-      PangoFontDescription* font_desc = 
+      PangoFontDescription* font_desc =
        pango_font_description_from_string(font);
 
       psppire_var_store_set_font(vs, font_desc);
       psppire_data_store_set_font(ds, font_desc);
     }
-  
+
   gtk_widget_hide(dialog);
 
 }
@@ -509,15 +549,22 @@ static GtkNotebook *notebook = 0;
 static void
 switch_menus(gint page)
 {
-  switch (page) 
+  GtkWidget *insert_variable = get_widget_assert(xml, "insert-variable");
+  GtkWidget *insert_cases = get_widget_assert(xml, "insert-cases");
+
+  switch (page)
     {
     case PAGE_VAR_SHEET:
       gtk_widget_hide(menuitems[PAGE_VAR_SHEET]);
       gtk_widget_show(menuitems[PAGE_DATA_SHEET]);
+      gtk_widget_set_sensitive(insert_variable, TRUE);
+      gtk_widget_set_sensitive(insert_cases, FALSE);
       break;
     case PAGE_DATA_SHEET:
       gtk_widget_show(menuitems[PAGE_VAR_SHEET]);
       gtk_widget_hide(menuitems[PAGE_DATA_SHEET]);
+      gtk_widget_set_sensitive(insert_variable, FALSE);
+      gtk_widget_set_sensitive(insert_cases, TRUE);
       break;
     default:
       g_assert_not_reached();
@@ -544,8 +591,10 @@ data_var_select(GtkNotebook *notebook,
   switch_menus(page_num);
 }
 
-static void
-var_data_selection_init()
+
+/* Initialised things on the variable sheet */
+void
+var_data_selection_init(void)
 {
   notebook = GTK_NOTEBOOK(get_widget_assert(xml, "notebook1"));
   menuitems[PAGE_DATA_SHEET] = get_widget_assert(xml, "data1");
@@ -578,13 +627,108 @@ on_variables1_activate(GtkMenuItem     *menuitem,
 }
 
 
-/* Callback which occurs when gtk_main is entered */
-gboolean
-callbacks_on_init(gpointer data)
+
+void
+on_go_to_case_activate(GtkMenuItem     *menuitem,
+                      gpointer         user_data)
 {
-  psppire_set_window_title(untitled);
+  GtkWidget *dialog = get_widget_assert(xml, "go_to_case_dialog");
+  GtkEntry *entry = GTK_ENTRY(get_widget_assert(xml, "entry_go_to_case"));
+  GtkSheet *data_sheet = GTK_SHEET(get_widget_assert(xml, "data_sheet"));
+
+  gint result = gtk_dialog_run(GTK_DIALOG(dialog));
+
+
+
+  switch (result)
+    {
+    case GTK_RESPONSE_OK:
+      {
+       gint row, column;
+       const gchar *text = gtk_entry_get_text(entry);
+       gint casenum = g_strtod(text, NULL);
+
+       gtk_sheet_get_active_cell(data_sheet, &row, &column);
+       if ( column < 0 ) column = 0;
+       if ( row < 0 ) row = 0;
+
+       gtk_sheet_set_active_cell(data_sheet, casenum, column);
+      }
+      break;
+    default:
+      break;
+    }
+
+  gtk_widget_hide(dialog);
+  gtk_entry_set_text(entry, "");
+}
+
+
+
+void
+on_sort_cases_activate (GtkMenuItem     *menuitem,
+                       gpointer         user_data)
+{
+  gint response;
+  PsppireDataStore *data_store ;
+
+  struct sort_criteria criteria;
+  static struct sort_cases_dialog *dialog ;
+
+  GtkSheet *data_sheet = GTK_SHEET(get_widget_assert(xml, "data_sheet"));
+
+  data_store = PSPPIRE_DATA_STORE(gtk_sheet_get_model(data_sheet));
+
+  if ( NULL == dialog)
+    dialog = sort_cases_dialog_create(xml);
+
+  response = sort_cases_dialog_run(dialog, the_dictionary, &criteria);
 
-  var_data_selection_init();
+  switch ( response)
+    {
+    case GTK_RESPONSE_OK:
+      psppire_case_file_sort(data_store->case_file, &criteria);
+      break;
+    }
+}
+
+
+static void
+insert_case(void)
+{
+  gint row, col;
+  PsppireDataStore *data_store ;
+  GtkSheet *data_sheet = GTK_SHEET(get_widget_assert(xml, "data_sheet"));
+
+  data_store = PSPPIRE_DATA_STORE(gtk_sheet_get_model(data_sheet));
+
+  gtk_sheet_get_active_cell(data_sheet, &row, &col);
+
+  psppire_data_store_insert_new_case(data_store, row);
+}
 
-  return FALSE;
+void
+on_insert_case_clicked (GtkButton *button, gpointer user_data)
+{
+  insert_case();
+}
+
+void
+on_insert_cases (GtkMenuItem *menuitem, gpointer user_data)
+{
+  insert_case();
 }
+
+
+void
+on_insert_variable (GtkMenuItem *menuitem, gpointer user_data)
+{
+  gint row, col;
+  GtkSheet *var_sheet = GTK_SHEET(get_widget_assert(xml, "variable_sheet"));
+
+  gtk_sheet_get_active_cell(var_sheet, &row, &col);
+
+  psppire_dict_insert_variable(the_dictionary, row, NULL);
+}
+
+