-/*
- PSPPIRE --- A Graphical User Interface for PSPP
- Copyright (C) 2004, 2006 Free Software Foundation
- Written by John Darrington
-
- 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
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA. */
-
-
+/*
+ PSPPIRE --- A Graphical User Interface for PSPP
+ Copyright (C) 2004, 2006, 2007 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
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA. */
+
+#include <config.h>
#include <string.h>
#include <stdlib.h>
-#include <gtksheet/gtkextra-marshal.c>
+#include <gtk/gtk.h>
+#include <gtksheet/gtkextra-marshal.h>
-#include "psppire-object.h"
#include "psppire-dict.h"
#include <data/format.h>
#include <data/dictionary.h>
#include <data/missing-values.h>
#include <data/value-labels.h>
+#include <data/variable.h>
-
+#include "helper.h"
#include "message-dialog.h"
-#include "psppire-variable.h"
/* --- prototypes --- */
static void psppire_dict_class_init (PsppireDictClass *class);
static void psppire_dict_init (PsppireDict *dict);
static void psppire_dict_finalize (GObject *object);
+static void dictionary_tree_model_init (GtkTreeModelIface *iface);
+
/* --- variables --- */
static GObjectClass *parent_class = NULL;
-enum {VARIABLE_CHANGED,
+enum {VARIABLE_CHANGED,
+ VARIABLE_RESIZED,
VARIABLE_INSERTED,
- VARIABLES_DELETED,
+ VARIABLES_DELETED,
+ WEIGHT_CHANGED,
+ FILTER_CHANGED,
+ SPLIT_CHANGED,
n_SIGNALS};
-static guint signal[n_SIGNALS];
-
-#define CACHE_CHUNK 5
+static guint signals [n_SIGNALS];
/* --- functions --- */
/**
(GInstanceInitFunc) psppire_dict_init,
};
- object_type = g_type_register_static (G_TYPE_PSPPIRE_OBJECT, "PsppireDict",
+ static const GInterfaceInfo tree_model_info = {
+ (GInterfaceInitFunc) dictionary_tree_model_init,
+ NULL,
+ NULL
+ };
+
+ object_type = g_type_register_static (G_TYPE_OBJECT,
+ "PsppireDict",
&object_info, 0);
+
+ g_type_add_interface_static (object_type, GTK_TYPE_TREE_MODEL,
+ &tree_model_info);
+
+
}
return object_type;
object_class->finalize = psppire_dict_finalize;
- signal[VARIABLE_CHANGED] =
+ signals [VARIABLE_CHANGED] =
g_signal_new ("variable_changed",
- G_TYPE_FROM_CLASS(class),
+ G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_FIRST,
0,
NULL, NULL,
g_cclosure_marshal_VOID__INT,
- G_TYPE_NONE,
+ G_TYPE_NONE,
1,
G_TYPE_INT);
- signal[VARIABLE_INSERTED] =
+ signals [VARIABLE_INSERTED] =
g_signal_new ("variable_inserted",
- G_TYPE_FROM_CLASS(class),
+ G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_FIRST,
0,
NULL, NULL,
g_cclosure_marshal_VOID__INT,
- G_TYPE_NONE,
+ G_TYPE_NONE,
1,
G_TYPE_INT);
- signal[VARIABLES_DELETED] =
+ signals [VARIABLES_DELETED] =
g_signal_new ("variables_deleted",
- G_TYPE_FROM_CLASS(class),
+ G_TYPE_FROM_CLASS (class),
+ G_SIGNAL_RUN_FIRST,
+ 0,
+ NULL, NULL,
+ gtkextra_VOID__INT_INT,
+ G_TYPE_NONE,
+ 2,
+ G_TYPE_INT,
+ G_TYPE_INT);
+
+
+ signals [VARIABLE_RESIZED] =
+ g_signal_new ("dict-size-changed",
+ G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_FIRST,
0,
NULL, NULL,
gtkextra_VOID__INT_INT,
- G_TYPE_NONE,
+ G_TYPE_NONE,
2,
G_TYPE_INT,
G_TYPE_INT);
+
+ signals [WEIGHT_CHANGED] =
+ g_signal_new ("weight-changed",
+ G_TYPE_FROM_CLASS (class),
+ G_SIGNAL_RUN_FIRST,
+ 0,
+ NULL, NULL,
+ g_cclosure_marshal_VOID__INT,
+ G_TYPE_NONE,
+ 1,
+ G_TYPE_INT);
+
+
+ signals [FILTER_CHANGED] =
+ g_signal_new ("filter-changed",
+ G_TYPE_FROM_CLASS (class),
+ G_SIGNAL_RUN_FIRST,
+ 0,
+ NULL, NULL,
+ g_cclosure_marshal_VOID__INT,
+ G_TYPE_NONE,
+ 1,
+ G_TYPE_INT);
+
+
+ signals [SPLIT_CHANGED] =
+ g_signal_new ("split-changed",
+ G_TYPE_FROM_CLASS (class),
+ G_SIGNAL_RUN_FIRST,
+ 0,
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE,
+ 0);
}
static void
psppire_dict_finalize (GObject *object)
{
- gint v;
PsppireDict *d = PSPPIRE_DICT (object);
-
- for (v = 0 ; v < psppire_dict_get_var_cnt(d) ; ++v )
- g_free(d->variables[v]);
- g_free(d->variables);
- d->cache_size = 0;
-
- dict_destroy(d->dict);
+ dict_destroy (d->dict);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
+/* Pass on callbacks from src/data/dictionary, as
+ signals in the Gtk library */
static void
-psppire_dict_init (PsppireDict *psppire_dict)
+addcb (struct dictionary *d, int idx, void *pd)
{
- psppire_dict->dict = dict_create();
+ g_signal_emit (pd, signals [VARIABLE_INSERTED], 0, idx);
+}
- psppire_dict->variables = 0;
- psppire_dict->cache_size = 0;
+static void
+delcb (struct dictionary *d, int idx, void *pd)
+{
+ g_signal_emit (pd, signals [VARIABLES_DELETED], 0, idx, 1);
}
-/**
- * psppire_dict_new:
- * @returns: a new #PsppireDict object
- *
- * Creates a new #PsppireDict.
- */
-PsppireDict*
-psppire_dict_new (void)
+static void
+mutcb (struct dictionary *d, int idx, void *pd)
+{
+ g_signal_emit (pd, signals [VARIABLE_CHANGED], 0, idx);
+}
+
+static void
+weight_changed_callback (struct dictionary *d, int idx, void *pd)
+{
+ g_signal_emit (pd, signals [WEIGHT_CHANGED], 0, idx);
+}
+
+static void
+filter_changed_callback (struct dictionary *d, int idx, void *pd)
+{
+ g_signal_emit (pd, signals [FILTER_CHANGED], 0, idx);
+}
+
+static void
+split_changed_callback (struct dictionary *d, void *pd)
{
- return g_object_new (G_TYPE_PSPPIRE_DICT, NULL);
+ g_signal_emit (pd, signals [SPLIT_CHANGED], 0);
}
+static const struct dict_callbacks gui_callbacks =
+ {
+ addcb,
+ delcb,
+ mutcb,
+ weight_changed_callback,
+ filter_changed_callback,
+ split_changed_callback
+ };
+
+static void
+psppire_dict_init (PsppireDict *psppire_dict)
+{
+ psppire_dict->stamp = g_random_int ();
+}
+
/**
* psppire_dict_new_from_dict:
* @returns: a new #PsppireDict object
- *
- * Creates a new #PsppireDict.
+ *
+ * Creates a new #PsppireDict.
*/
PsppireDict*
psppire_dict_new_from_dict (struct dictionary *d)
{
PsppireDict *new_dict = g_object_new (G_TYPE_PSPPIRE_DICT, NULL);
new_dict->dict = d;
- new_dict->cache_size = dict_get_var_cnt(d);
- new_dict->variables = g_malloc0(sizeof(struct PsppireVariable *) *
- new_dict->cache_size);
+ dict_set_callbacks (new_dict->dict, &gui_callbacks, new_dict);
return new_dict;
}
+void
+psppire_dict_replace_dictionary (PsppireDict *dict, struct dictionary *d)
+{
+ struct variable *var = dict_get_weight (d);
+ dict->dict = d;
+
+ weight_changed_callback (d, var ? var_get_dict_index (var) : -1, dict);
+
+ var = dict_get_filter (d);
+ filter_changed_callback (d, var ? var_get_dict_index (var) : -1, dict);
+
+ split_changed_callback (d, dict);
+}
+
+
/* Returns a valid name for a new variable in DICT.
The return value is statically allocated */
-static gchar *
-auto_generate_var_name(PsppireDict *dict)
+static gchar *
+auto_generate_var_name (PsppireDict *dict)
{
gint d = 0;
static gchar name[10];
-
- while (g_snprintf(name, 10, "VAR%05d",d++),
- psppire_dict_lookup_var(dict, name))
+ while (g_snprintf (name, 10, "VAR%05d",d++),
+ psppire_dict_lookup_var (dict, name))
;
return name;
/* Insert a new variable at posn IDX, with the name NAME.
If NAME is null, then a name will be automatically assigned.
- */
+*/
void
-psppire_dict_insert_variable(PsppireDict *d, gint idx, const gchar *name)
+psppire_dict_insert_variable (PsppireDict *d, gint idx, const gchar *name)
{
struct variable *var ;
- gint i;
- g_return_if_fail(d);
- g_return_if_fail(G_IS_PSPPIRE_DICT(d));
-
-
- /* Invalidate the cache from IDX onwards */
- for ( i = idx ; i < d->cache_size ; ++i )
- {
- g_free(d->variables[i]);
- d->variables[i] = 0;
- }
-
- /* Ensure that the cache is large enough */
- if ( dict_get_var_cnt(d->dict) >= d->cache_size )
- {
- d->variables = g_realloc(d->variables, sizeof(struct PsppireVariable*) *
- (d->cache_size + CACHE_CHUNK));
- d->cache_size += CACHE_CHUNK;
- }
-
- /* Zero the new pointers */
- for ( ; i < d->cache_size ; ++i )
- {
- d->variables[i] = 0;
- }
+ g_return_if_fail (idx >= 0);
+ g_return_if_fail (d);
+ g_return_if_fail (PSPPIRE_IS_DICT (d));
- if ( ! name )
- name = auto_generate_var_name(d);
-
- var = dict_create_var(d->dict, name, 0);
+ if ( ! name )
+ name = auto_generate_var_name (d);
- dict_reorder_var(d->dict, var, idx);
+ var = dict_create_var (d->dict, name, 0);
- d->variables[idx] = g_malloc(sizeof (struct PsppireVariable));
- d->variables[idx]->v = var;
- d->variables[idx]->dict = d;
-
- g_signal_emit(d, signal[VARIABLE_INSERTED], 0, idx );
+ dict_reorder_var (d->dict, var, idx);
}
/* Delete N variables beginning at FIRST */
void
-psppire_dict_delete_variables(PsppireDict *d, gint first, gint n)
+psppire_dict_delete_variables (PsppireDict *d, gint first, gint n)
{
gint idx;
- g_return_if_fail(d);
- g_return_if_fail(d->dict);
- g_return_if_fail(G_IS_PSPPIRE_DICT(d));
-
- /* Invalidate all pvs from FIRST onwards */
- for ( idx = first ; idx < d->cache_size ; ++idx )
- {
- g_free(d->variables[idx]);
- d->variables[idx] = 0;
- }
+ g_return_if_fail (d);
+ g_return_if_fail (d->dict);
+ g_return_if_fail (PSPPIRE_IS_DICT (d));
- for (idx = 0 ; idx < n ; ++idx )
+ for (idx = 0 ; idx < n ; ++idx )
{
struct variable *var;
/* Do nothing if it's out of bounds */
if ( first >= dict_get_var_cnt (d->dict))
- break;
+ break;
- var = dict_get_var(d->dict, first);
+ var = dict_get_var (d->dict, first);
dict_delete_var (d->dict, var);
}
-
- g_signal_emit(d, signal[VARIABLES_DELETED], 0, first, idx );
+ dict_compact_values (d->dict);
}
-void
-psppire_dict_set_name(PsppireDict* d, gint idx, const gchar *name)
+gboolean
+psppire_dict_set_name (PsppireDict* d, gint idx, const gchar *name)
{
struct variable *var;
- g_assert(d);
- g_assert(G_IS_PSPPIRE_DICT(d));
+ g_assert (d);
+ g_assert (PSPPIRE_IS_DICT (d));
+ if ( ! var_is_valid_name (name, false))
+ return FALSE;
- if ( idx < dict_get_var_cnt(d->dict))
+ if ( idx < dict_get_var_cnt (d->dict))
{
/* This is an existing variable? */
- var = dict_get_var(d->dict, idx);
- dict_rename_var(d->dict, var, name);
- g_signal_emit(d, signal[VARIABLE_CHANGED], 0, idx);
+ var = dict_get_var (d->dict, idx);
+ dict_rename_var (d->dict, var, name);
}
else
{
/* new variable */
- dict_create_var(d->dict, name, 0);
- g_print("Emitting variable-inserted signal\n");
- g_signal_emit(d, signal[VARIABLE_INSERTED], 0, idx);
+ dict_create_var (d->dict, name, 0);
}
+
+ return TRUE;
}
/* Return the IDXth variable */
-struct PsppireVariable *
-psppire_dict_get_variable(PsppireDict *d, gint idx)
+struct variable *
+psppire_dict_get_variable (const PsppireDict *d, gint idx)
{
- struct PsppireVariable *var ;
- g_return_val_if_fail(d, NULL);
- g_return_val_if_fail(d->dict, NULL);
+ g_return_val_if_fail (d, NULL);
+ g_return_val_if_fail (d->dict, NULL);
- if ( ! d->variables)
+ if ( dict_get_var_cnt (d->dict) <= idx )
return NULL;
-
- if (idx < 0 || idx >= psppire_dict_get_var_cnt(d))
- return NULL;
-
- var = d->variables[idx] ;
- if (! var )
- {
- var = g_malloc(sizeof (*var));
- var->dict = d;
- var->v = dict_get_var(d->dict, idx);
- d->variables[idx] = var;
- }
-
- return var;
+ return dict_get_var (d->dict, idx);
}
/* Return the number of variables in the dictionary */
-gint
-psppire_dict_get_var_cnt(const PsppireDict *d)
+gint
+psppire_dict_get_var_cnt (const PsppireDict *d)
{
- g_return_val_if_fail(d, -1);
- g_return_val_if_fail(d->dict, -1);
-
+ g_return_val_if_fail (d, -1);
+ g_return_val_if_fail (d->dict, -1);
- return dict_get_var_cnt(d->dict);
+ return dict_get_var_cnt (d->dict);
}
struct variable *
psppire_dict_lookup_var (const PsppireDict *d, const gchar *name)
{
- g_return_val_if_fail(d, NULL);
- g_return_val_if_fail(d->dict, NULL);
+ g_return_val_if_fail (d, NULL);
+ g_return_val_if_fail (d->dict, NULL);
+
+ return dict_lookup_var (d->dict, name);
+}
+
+/* Clears the contents of D */
+void
+psppire_dict_clear (PsppireDict *d)
+{
+ g_return_if_fail (d);
+ g_return_if_fail (d->dict);
- return dict_lookup_var(d->dict, name);
+ {
+ dict_clear (d->dict);
+ }
+}
+
+
+/* Return true is NAME would be a valid name of a variable to add to the
+ dictionary. False otherwise.
+ If REPORT is true, then invalid names will be reported as such as errors
+*/
+gboolean
+psppire_dict_check_name (const PsppireDict *dict,
+ const gchar *name, gboolean report)
+{
+ if ( ! var_is_valid_name (name, report ) )
+ return FALSE;
+
+ if (psppire_dict_lookup_var (dict, name))
+ {
+ if ( report )
+ msg (ME,"Duplicate variable name.");
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+
+inline gint
+psppire_dict_get_next_value_idx (const PsppireDict *dict)
+{
+ return dict_get_next_value_idx (dict->dict);
}
void
-psppire_dict_var_changed(PsppireDict *d, gint idx)
+psppire_dict_resize_variable (PsppireDict *d, const struct variable *pv,
+ gint old_size, gint new_size)
{
- g_return_if_fail(d);
+ gint fv;
+ g_return_if_fail (d);
+ g_return_if_fail (d->dict);
- g_signal_emit(d, signal[VARIABLE_CHANGED], 0, idx);
+ if ( old_size == new_size )
+ return ;
+
+ dict_compact_values (d->dict);
+
+ fv = var_get_case_index (pv);
+
+ g_signal_emit (d, signals [VARIABLE_RESIZED], 0,
+ fv + old_size,
+ new_size - old_size );
}
-/* Clears the contents of D */
-void
-psppire_dict_clear(PsppireDict *d)
+/* Tree Model Stuff */
+
+static GtkTreeModelFlags tree_model_get_flags (GtkTreeModel *model);
+
+static gint tree_model_n_columns (GtkTreeModel *model);
+
+static GType tree_model_column_type (GtkTreeModel *model, gint index);
+
+static gboolean tree_model_get_iter (GtkTreeModel *model, GtkTreeIter *iter,
+ GtkTreePath *path);
+
+static gboolean tree_model_iter_next (GtkTreeModel *model, GtkTreeIter *iter);
+
+static GtkTreePath * tree_model_get_path (GtkTreeModel *model,
+ GtkTreeIter *iter);
+
+static void tree_model_get_value (GtkTreeModel *model, GtkTreeIter *iter,
+ gint column, GValue *value);
+
+static gboolean tree_model_nth_child (GtkTreeModel *model, GtkTreeIter *iter,
+ GtkTreeIter *parent, gint n);
+
+static gint tree_model_n_children (GtkTreeModel *tree_model,
+ GtkTreeIter *iter);
+
+static gboolean tree_model_iter_children (GtkTreeModel *,
+ GtkTreeIter *,
+ GtkTreeIter *);
+
+static gboolean tree_model_iter_parent (GtkTreeModel *tree_model,
+ GtkTreeIter *iter,
+ GtkTreeIter *child);
+
+static gboolean tree_model_iter_has_child (GtkTreeModel *tree_model,
+ GtkTreeIter *iter);
+
+static void
+dictionary_tree_model_init (GtkTreeModelIface *iface)
{
- g_return_if_fail(d);
- g_return_if_fail(d->dict);
+ iface->get_flags = tree_model_get_flags;
+ iface->get_n_columns = tree_model_n_columns;
+ iface->get_column_type = tree_model_column_type;
+ iface->get_iter = tree_model_get_iter;
+ iface->iter_next = tree_model_iter_next;
+ iface->get_path = tree_model_get_path;
+ iface->get_value = tree_model_get_value;
+
+ iface->iter_children = tree_model_iter_children ;
+ iface->iter_has_child = tree_model_iter_has_child ;
+ iface->iter_n_children = tree_model_n_children ;
+ iface->iter_nth_child = tree_model_nth_child ;
+ iface->iter_parent = tree_model_iter_parent ;
+}
- {
- const gint n_vars = dict_get_var_cnt(d->dict);
- gint i;
-
- dict_clear(d->dict);
+static gboolean
+tree_model_iter_has_child (GtkTreeModel *tree_model,
+ GtkTreeIter *iter)
+{
+ return FALSE;
+}
- /* Invalidate the entire cache */
- for ( i = 0 ; i < d->cache_size ; ++i )
- {
- g_free(d->variables[i]);
- d->variables[i] = 0;
- }
+static gboolean
+tree_model_iter_parent (GtkTreeModel *tree_model,
+ GtkTreeIter *iter,
+ GtkTreeIter *child)
+{
+ return TRUE;
+}
- g_signal_emit(d, signal[VARIABLES_DELETED], 0, 0, n_vars );
- }
+static GtkTreeModelFlags
+tree_model_get_flags (GtkTreeModel *model)
+{
+ g_return_val_if_fail (PSPPIRE_IS_DICT (model), (GtkTreeModelFlags) 0);
+
+ return GTK_TREE_MODEL_LIST_ONLY;
}
+static gint
+tree_model_n_columns (GtkTreeModel *model)
+{
+ return n_DICT_COLS;
+}
-/* Return true is NAME would be a valid name of a variable to add to the
- dictionary. False otherwise.
- If REPORT is true, then invalid names will be reported as such as errors
-*/
-gboolean
-psppire_dict_check_name(const PsppireDict *dict,
- const gchar *name, gboolean report)
+static GType
+tree_model_column_type (GtkTreeModel *model, gint index)
+{
+ g_return_val_if_fail (PSPPIRE_IS_DICT (model), (GType) 0);
+
+ switch (index)
+ {
+ case DICT_TVM_COL_NAME:
+ return G_TYPE_STRING;
+ break;
+ case DICT_TVM_COL_VAR:
+ return G_TYPE_POINTER;
+ break;
+ default:
+ g_return_val_if_reached ((GType)0);
+ break;
+ }
+
+ g_assert_not_reached ();
+ return ((GType)0);
+}
+
+static gboolean
+tree_model_get_iter (GtkTreeModel *model, GtkTreeIter *iter, GtkTreePath *path)
{
- if ( ! var_is_valid_name(name, report ) )
+ gint *indices, depth;
+ gint n;
+ struct variable *var;
+
+ PsppireDict *dict = PSPPIRE_DICT (model);
+
+ g_return_val_if_fail (path, FALSE);
+
+ indices = gtk_tree_path_get_indices (path);
+ depth = gtk_tree_path_get_depth (path);
+
+ g_return_val_if_fail (depth == 1, FALSE);
+
+ n = indices [0];
+
+ if ( n < 0 || n >= psppire_dict_get_var_cnt (dict))
+ {
+ iter->stamp = 0;
+ iter->user_data = NULL;
return FALSE;
+ }
+
+ var = psppire_dict_get_variable (dict, n);
+
+ g_assert (var_get_dict_index (var) == n);
+
+ iter->stamp = dict->stamp;
+ iter->user_data = var;
+
+ return TRUE;
+}
+
+
+static gboolean
+tree_model_iter_next (GtkTreeModel *model, GtkTreeIter *iter)
+{
+ PsppireDict *dict = PSPPIRE_DICT (model);
+ struct variable *var;
+ gint idx;
+
+ g_return_val_if_fail (iter->stamp == dict->stamp, FALSE);
- if (psppire_dict_lookup_var(dict, name))
+ if ( iter == NULL || iter->user_data == NULL)
+ return FALSE;
+
+ var = iter->user_data;
+
+ idx = var_get_dict_index (var);
+
+ if ( idx + 1 >= psppire_dict_get_var_cnt (dict))
{
- if ( report )
- msg(ME,"Duplicate variable name.");
+ iter->user_data = NULL;
+ iter->stamp = 0;
return FALSE;
}
+ var = psppire_dict_get_variable (dict, idx + 1);
+
+ g_assert (var_get_dict_index (var) == idx + 1);
+
+ iter->user_data = var;
+
return TRUE;
}
+
+static GtkTreePath *
+tree_model_get_path (GtkTreeModel *model, GtkTreeIter *iter)
+{
+ GtkTreePath *path;
+ struct variable *var;
+ PsppireDict *dict = PSPPIRE_DICT (model);
+
+ g_return_val_if_fail (iter->stamp == dict->stamp, FALSE);
+
+ var = iter->user_data;
+
+ path = gtk_tree_path_new ();
+ gtk_tree_path_append_index (path, var_get_dict_index (var));
+
+ return path;
+}
+
+
+static void
+tree_model_get_value (GtkTreeModel *model, GtkTreeIter *iter,
+ gint column, GValue *value)
+{
+ struct variable *var;
+ PsppireDict *dict = PSPPIRE_DICT (model);
+
+ g_return_if_fail (iter->stamp == dict->stamp);
+
+ var = iter->user_data;
+
+ switch (column)
+ {
+ case DICT_TVM_COL_NAME:
+ {
+ gchar *name = pspp_locale_to_utf8(var_get_name (var), -1, NULL);
+ g_value_init (value, G_TYPE_STRING);
+ g_value_set_string (value, name);
+ g_free (name);
+ }
+ break;
+ case DICT_TVM_COL_VAR:
+ g_value_init (value, G_TYPE_POINTER);
+ g_value_set_pointer (value, var);
+ break;
+ default:
+ g_return_if_reached ();
+ break;
+ }
+}
+
+static gboolean
+tree_model_iter_children (GtkTreeModel *tree_model,
+ GtkTreeIter *iter,
+ GtkTreeIter *parent)
+{
+ return FALSE;
+}
+
+static gint
+tree_model_n_children (GtkTreeModel *model,
+ GtkTreeIter *iter)
+{
+ PsppireDict *dict = PSPPIRE_DICT (model);
+
+ if ( iter == NULL )
+ return psppire_dict_get_var_cnt (dict);
+
+ return 0;
+}
+
+static gboolean
+tree_model_nth_child (GtkTreeModel *model, GtkTreeIter *iter,
+ GtkTreeIter *parent, gint n)
+{
+ PsppireDict *dict;
+
+ g_return_val_if_fail (PSPPIRE_IS_DICT (model), FALSE);
+
+ dict = PSPPIRE_DICT (model);
+
+ if ( parent )
+ return FALSE;
+
+ if ( n >= psppire_dict_get_var_cnt (dict) )
+ return FALSE;
+
+ iter->stamp = dict->stamp;
+ iter->user_data = psppire_dict_get_variable (dict, n);
+
+ if ( !iter->user_data)
+ return FALSE;
+
+ return TRUE;
+}
+
+
+gboolean
+psppire_dict_rename_var (PsppireDict *dict, struct variable *v,
+ const gchar *name)
+{
+ if ( ! var_is_valid_name (name, false))
+ return FALSE;
+
+ dict_rename_var (dict->dict, v, name);
+
+ return TRUE;
+}
+
+
+struct variable *
+psppire_dict_get_weight_variable (const PsppireDict *dict)
+{
+ return dict_get_weight (dict->dict);
+}