1 /* PSPPIRE - a graphical user interface for PSPP.
2 Copyright (C) 2004, 2006, 2007, 2009, 2010, 2011, 2012 Free Software Foundation
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19 #include "ui/gui/psppire-dict.h"
25 #include "data/dictionary.h"
26 #include "data/identifier.h"
27 #include "data/missing-values.h"
28 #include "data/value-labels.h"
29 #include "data/variable.h"
30 #include "libpspp/i18n.h"
31 #include "libpspp/message.h"
32 #include "ui/gui/helper.h"
33 #include "ui/gui/psppire-marshal.h"
34 #include "ui/gui/psppire-var-ptr.h"
37 #define _(msgid) gettext (msgid)
38 #define N_(msgid) msgid
47 VARIABLE_DISPLAY_WIDTH_CHANGED,
56 /* --- prototypes --- */
57 static void psppire_dict_class_init (PsppireDictClass *class);
58 static void psppire_dict_init (PsppireDict *dict);
59 static void psppire_dict_finalize (GObject *object);
61 static void dictionary_tree_model_init (GtkTreeModelIface *iface);
64 /* --- variables --- */
65 static GObjectClass *parent_class = NULL;
67 static guint signals [n_SIGNALS];
69 /* --- functions --- */
71 * psppire_dict_get_type:
72 * @returns: the type ID for accelerator groups.
75 psppire_dict_get_type (void)
77 static GType object_type = 0;
81 static const GTypeInfo object_info = {
82 sizeof (PsppireDictClass),
84 (GBaseFinalizeFunc) NULL,
85 (GClassInitFunc) psppire_dict_class_init,
86 NULL, /* class_finalize */
87 NULL, /* class_data */
90 (GInstanceInitFunc) psppire_dict_init,
93 static const GInterfaceInfo tree_model_info = {
94 (GInterfaceInitFunc) dictionary_tree_model_init,
99 object_type = g_type_register_static (G_TYPE_OBJECT,
103 g_type_add_interface_static (object_type, GTK_TYPE_TREE_MODEL,
112 psppire_dict_class_init (PsppireDictClass *class)
114 GObjectClass *object_class = G_OBJECT_CLASS (class);
116 parent_class = g_type_class_peek_parent (class);
118 object_class->finalize = psppire_dict_finalize;
120 signals [BACKEND_CHANGED] =
121 g_signal_new ("backend-changed",
122 G_TYPE_FROM_CLASS (class),
126 g_cclosure_marshal_VOID__VOID,
131 signals [VARIABLE_CHANGED] =
132 g_signal_new ("variable-changed",
133 G_TYPE_FROM_CLASS (class),
137 g_cclosure_marshal_VOID__INT,
144 signals [VARIABLE_INSERTED] =
145 g_signal_new ("variable-inserted",
146 G_TYPE_FROM_CLASS (class),
150 g_cclosure_marshal_VOID__INT,
156 signals [VARIABLE_DELETED] =
157 g_signal_new ("variable-deleted",
158 G_TYPE_FROM_CLASS (class),
162 psppire_marshal_VOID__POINTER_INT_INT,
170 signals [VARIABLE_RESIZED] =
171 g_signal_new ("dict-size-changed",
172 G_TYPE_FROM_CLASS (class),
176 psppire_marshal_VOID__INT_INT,
182 signals [VARIABLE_DISPLAY_WIDTH_CHANGED] =
183 g_signal_new ("variable-display-width-changed",
184 G_TYPE_FROM_CLASS (class),
188 g_cclosure_marshal_VOID__INT,
194 signals [WEIGHT_CHANGED] =
195 g_signal_new ("weight-changed",
196 G_TYPE_FROM_CLASS (class),
200 g_cclosure_marshal_VOID__INT,
206 signals [FILTER_CHANGED] =
207 g_signal_new ("filter-changed",
208 G_TYPE_FROM_CLASS (class),
212 g_cclosure_marshal_VOID__INT,
218 signals [SPLIT_CHANGED] =
219 g_signal_new ("split-changed",
220 G_TYPE_FROM_CLASS (class),
224 g_cclosure_marshal_VOID__VOID,
230 psppire_dict_finalize (GObject *object)
232 PsppireDict *d = PSPPIRE_DICT (object);
234 dict_destroy (d->dict);
236 G_OBJECT_CLASS (parent_class)->finalize (object);
239 /* Pass on callbacks from src/data/dictionary, as
240 signals in the Gtk library */
242 addcb (struct dictionary *d, int idx, void *pd)
244 PsppireDict *dict = PSPPIRE_DICT (pd);
246 if ( ! dict->disable_insert_signal)
247 g_signal_emit (dict, signals [VARIABLE_INSERTED], 0, idx);
251 delcb (struct dictionary *d, const struct variable *var,
252 int dict_idx, int case_idx, void *pd)
254 g_signal_emit (pd, signals [VARIABLE_DELETED], 0,
255 var, dict_idx, case_idx);
259 mutcb (struct dictionary *d, int idx, void *pd)
261 g_signal_emit (pd, signals [VARIABLE_CHANGED], 0, idx);
265 resize_cb (struct dictionary *d, int idx, int old_width, void *pd)
267 g_signal_emit (pd, signals [VARIABLE_RESIZED], 0, idx, old_width);
271 weight_changed_callback (struct dictionary *d, int idx, void *pd)
273 g_signal_emit (pd, signals [WEIGHT_CHANGED], 0, idx);
277 filter_changed_callback (struct dictionary *d, int idx, void *pd)
279 g_signal_emit (pd, signals [FILTER_CHANGED], 0, idx);
283 split_changed_callback (struct dictionary *d, void *pd)
285 g_signal_emit (pd, signals [SPLIT_CHANGED], 0);
289 variable_display_width_callback (struct dictionary *d, int idx, void *pd)
291 g_signal_emit (pd, signals [VARIABLE_DISPLAY_WIDTH_CHANGED], 0, idx);
296 static const struct dict_callbacks gui_callbacks =
302 weight_changed_callback,
303 filter_changed_callback,
304 split_changed_callback,
305 variable_display_width_callback
309 psppire_dict_init (PsppireDict *psppire_dict)
311 psppire_dict->stamp = g_random_int ();
312 psppire_dict->disable_insert_signal = FALSE;
316 * psppire_dict_new_from_dict:
317 * @returns: a new #PsppireDict object
319 * Creates a new #PsppireDict.
322 psppire_dict_new_from_dict (struct dictionary *d)
324 PsppireDict *new_dict = g_object_new (PSPPIRE_TYPE_DICT, NULL);
327 dict_set_callbacks (new_dict->dict, &gui_callbacks, new_dict);
334 psppire_dict_replace_dictionary (PsppireDict *dict, struct dictionary *d)
336 struct variable *var = dict_get_weight (d);
340 weight_changed_callback (d, var ? var_get_dict_index (var) : -1, dict);
342 var = dict_get_filter (d);
343 filter_changed_callback (d, var ? var_get_dict_index (var) : -1, dict);
345 split_changed_callback (d, dict);
347 dict_set_callbacks (dict->dict, &gui_callbacks, dict);
349 g_signal_emit (dict, signals [BACKEND_CHANGED], 0);
353 /* Stores a valid name for a new variable in DICT into the SIZE bytes in NAME.
354 Returns true if successful, false if SIZE is insufficient. */
356 psppire_dict_generate_name (const PsppireDict *dict, char *name, size_t size)
364 /* TRANSLATORS: This string must be a valid variable name. That means:
365 - The string must be at most 64 bytes (not characters) long.
366 - The string may not contain whitespace.
367 - The first character may not be '$'
368 - The first character may not be a digit
369 - The final charactor may not be '.' or '_'
371 len = snprintf (name, size, _("Var%04d"), d);
375 if (psppire_dict_lookup_var (dict, name) == NULL)
382 /* Insert a new variable at posn IDX, with the name NAME, and return the
384 If NAME is null, then a name will be automatically assigned.
387 psppire_dict_insert_variable (PsppireDict *d, gint idx, const gchar *name)
389 struct variable *var;
392 g_return_val_if_fail (idx >= 0, NULL);
393 g_return_val_if_fail (d, NULL);
394 g_return_val_if_fail (PSPPIRE_IS_DICT (d), NULL);
398 if (!psppire_dict_generate_name (d, tmpname, sizeof tmpname))
399 g_return_val_if_reached (NULL);
404 d->disable_insert_signal = TRUE;
406 var = dict_create_var (d->dict, name, 0);
408 dict_reorder_var (d->dict, var, idx);
410 d->disable_insert_signal = FALSE;
412 g_signal_emit (d, signals[VARIABLE_INSERTED], 0, idx);
417 /* Delete N variables beginning at FIRST */
419 psppire_dict_delete_variables (PsppireDict *d, gint first, gint n)
422 g_return_if_fail (d);
423 g_return_if_fail (d->dict);
424 g_return_if_fail (PSPPIRE_IS_DICT (d));
426 for (idx = 0 ; idx < n ; ++idx )
428 struct variable *var;
430 /* Do nothing if it's out of bounds */
431 if ( first >= dict_get_var_cnt (d->dict))
434 var = dict_get_var (d->dict, first);
435 dict_delete_var (d->dict, var);
441 psppire_dict_set_name (PsppireDict* d, gint idx, const gchar *name)
443 struct variable *var;
445 g_assert (PSPPIRE_IS_DICT (d));
447 if ( ! dict_id_is_valid (d->dict, name, false))
450 if ( idx < dict_get_var_cnt (d->dict))
452 /* This is an existing variable? */
453 var = dict_get_var (d->dict, idx);
454 dict_rename_var (d->dict, var, name);
459 dict_create_var (d->dict, name, 0);
467 /* Return the IDXth variable.
468 Will return NULL if IDX exceeds the number of variables in the dictionary.
471 psppire_dict_get_variable (const PsppireDict *d, gint idx)
473 g_return_val_if_fail (d, NULL);
474 g_return_val_if_fail (d->dict, NULL);
476 if ( dict_get_var_cnt (d->dict) <= idx )
479 return dict_get_var (d->dict, idx);
483 /* Return the number of variables in the dictionary */
485 psppire_dict_get_var_cnt (const PsppireDict *d)
487 g_return_val_if_fail (d, -1);
488 g_return_val_if_fail (d->dict, -1);
490 return dict_get_var_cnt (d->dict);
494 /* Return the number of `union value's in the dictionary */
496 psppire_dict_get_value_cnt (const PsppireDict *d)
498 g_return_val_if_fail (d, -1);
499 g_return_val_if_fail (d->dict, -1);
501 return dict_get_next_value_idx (d->dict);
505 /* Returns the prototype for the cases that match the dictionary */
506 const struct caseproto *
507 psppire_dict_get_proto (const PsppireDict *d)
509 g_return_val_if_fail (d, NULL);
510 g_return_val_if_fail (d->dict, NULL);
512 return dict_get_proto (d->dict);
516 /* Return a variable by name.
517 Return NULL if it doesn't exist
520 psppire_dict_lookup_var (const PsppireDict *d, const gchar *name)
522 g_return_val_if_fail (d, NULL);
523 g_return_val_if_fail (d->dict, NULL);
525 return dict_lookup_var (d->dict, name);
528 /* Clears the contents of D */
530 psppire_dict_clear (PsppireDict *d)
532 g_return_if_fail (d);
533 g_return_if_fail (d->dict);
536 dict_clear (d->dict);
541 /* Return true is NAME would be a valid name of a variable to add to the
542 dictionary. False otherwise.
543 If REPORT is true, then invalid names will be reported as such as errors
546 psppire_dict_check_name (const PsppireDict *dict,
547 const gchar *name, gboolean report)
549 if ( ! dict_id_is_valid (dict->dict, name, report ) )
552 if (psppire_dict_lookup_var (dict, name))
555 msg (ME, _("Duplicate variable name."));
564 psppire_dict_get_next_value_idx (const PsppireDict *dict)
566 return dict_get_next_value_idx (dict->dict);
571 psppire_dict_resize_variable (PsppireDict *d, const struct variable *pv,
572 gint old_size, gint new_size)
574 g_return_if_fail (d);
575 g_return_if_fail (d->dict);
577 if ( old_size == new_size )
580 g_signal_emit (d, signals [VARIABLE_RESIZED], 0,
581 var_get_dict_index (pv),
582 new_size - old_size );
586 /* Tree Model Stuff */
588 static GtkTreeModelFlags tree_model_get_flags (GtkTreeModel *model);
590 static gint tree_model_n_columns (GtkTreeModel *model);
592 static GType tree_model_column_type (GtkTreeModel *model, gint index);
594 static gboolean tree_model_get_iter (GtkTreeModel *model, GtkTreeIter *iter,
597 static gboolean tree_model_iter_next (GtkTreeModel *model, GtkTreeIter *iter);
599 static GtkTreePath * tree_model_get_path (GtkTreeModel *model,
602 static void tree_model_get_value (GtkTreeModel *model, GtkTreeIter *iter,
603 gint column, GValue *value);
605 static gboolean tree_model_nth_child (GtkTreeModel *model, GtkTreeIter *iter,
606 GtkTreeIter *parent, gint n);
608 static gint tree_model_n_children (GtkTreeModel *tree_model,
611 static gboolean tree_model_iter_children (GtkTreeModel *,
615 static gboolean tree_model_iter_parent (GtkTreeModel *tree_model,
619 static gboolean tree_model_iter_has_child (GtkTreeModel *tree_model,
623 dictionary_tree_model_init (GtkTreeModelIface *iface)
625 iface->get_flags = tree_model_get_flags;
626 iface->get_n_columns = tree_model_n_columns;
627 iface->get_column_type = tree_model_column_type;
628 iface->get_iter = tree_model_get_iter;
629 iface->iter_next = tree_model_iter_next;
630 iface->get_path = tree_model_get_path;
631 iface->get_value = tree_model_get_value;
633 iface->iter_children = tree_model_iter_children ;
634 iface->iter_has_child = tree_model_iter_has_child ;
635 iface->iter_n_children = tree_model_n_children ;
636 iface->iter_nth_child = tree_model_nth_child ;
637 iface->iter_parent = tree_model_iter_parent ;
641 tree_model_iter_has_child (GtkTreeModel *tree_model,
648 tree_model_iter_parent (GtkTreeModel *tree_model,
655 static GtkTreeModelFlags
656 tree_model_get_flags (GtkTreeModel *model)
658 g_return_val_if_fail (PSPPIRE_IS_DICT (model), (GtkTreeModelFlags) 0);
660 return GTK_TREE_MODEL_LIST_ONLY;
665 tree_model_n_columns (GtkTreeModel *model)
671 tree_model_column_type (GtkTreeModel *model, gint index)
673 g_return_val_if_fail (PSPPIRE_IS_DICT (model), (GType) 0);
677 case DICT_TVM_COL_NAME:
678 return G_TYPE_STRING;
680 case DICT_TVM_COL_VAR:
681 return PSPPIRE_VAR_PTR_TYPE;
684 g_return_val_if_reached ((GType)0);
688 g_assert_not_reached ();
693 tree_model_get_iter (GtkTreeModel *model, GtkTreeIter *iter, GtkTreePath *path)
695 gint *indices, depth;
697 struct variable *var;
699 PsppireDict *dict = PSPPIRE_DICT (model);
701 g_return_val_if_fail (path, FALSE);
703 indices = gtk_tree_path_get_indices (path);
704 depth = gtk_tree_path_get_depth (path);
706 g_return_val_if_fail (depth == 1, FALSE);
710 if ( n < 0 || n >= psppire_dict_get_var_cnt (dict))
713 iter->user_data = NULL;
717 var = psppire_dict_get_variable (dict, n);
719 g_assert (var_get_dict_index (var) == n);
721 iter->stamp = dict->stamp;
722 iter->user_data = var;
729 tree_model_iter_next (GtkTreeModel *model, GtkTreeIter *iter)
731 PsppireDict *dict = PSPPIRE_DICT (model);
732 struct variable *var;
735 g_return_val_if_fail (iter->stamp == dict->stamp, FALSE);
737 if ( iter == NULL || iter->user_data == NULL)
740 var = iter->user_data;
742 idx = var_get_dict_index (var);
744 if ( idx + 1 >= psppire_dict_get_var_cnt (dict))
746 iter->user_data = NULL;
751 var = psppire_dict_get_variable (dict, idx + 1);
753 g_assert (var_get_dict_index (var) == idx + 1);
755 iter->user_data = var;
761 tree_model_get_path (GtkTreeModel *model, GtkTreeIter *iter)
764 struct variable *var;
765 PsppireDict *dict = PSPPIRE_DICT (model);
767 g_return_val_if_fail (iter->stamp == dict->stamp, FALSE);
769 var = iter->user_data;
771 path = gtk_tree_path_new ();
772 gtk_tree_path_append_index (path, var_get_dict_index (var));
779 tree_model_get_value (GtkTreeModel *model, GtkTreeIter *iter,
780 gint column, GValue *value)
782 struct variable *var;
783 PsppireDict *dict = PSPPIRE_DICT (model);
785 g_return_if_fail (iter->stamp == dict->stamp);
787 var = iter->user_data;
791 case DICT_TVM_COL_NAME:
793 g_value_init (value, G_TYPE_STRING);
794 g_value_set_string (value, var_get_name (var));
797 case DICT_TVM_COL_VAR:
798 g_value_init (value, PSPPIRE_VAR_PTR_TYPE);
799 g_value_set_boxed (value, var);
802 g_return_if_reached ();
808 tree_model_iter_children (GtkTreeModel *tree_model,
816 tree_model_n_children (GtkTreeModel *model,
819 PsppireDict *dict = PSPPIRE_DICT (model);
822 return psppire_dict_get_var_cnt (dict);
828 tree_model_nth_child (GtkTreeModel *model, GtkTreeIter *iter,
829 GtkTreeIter *parent, gint n)
833 g_return_val_if_fail (PSPPIRE_IS_DICT (model), FALSE);
835 dict = PSPPIRE_DICT (model);
840 if ( n >= psppire_dict_get_var_cnt (dict) )
843 iter->stamp = dict->stamp;
844 iter->user_data = psppire_dict_get_variable (dict, n);
846 if ( !iter->user_data)
854 psppire_dict_rename_var (PsppireDict *dict, struct variable *v,
857 if ( ! dict_id_is_valid (dict->dict, name, false))
860 /* Make sure no other variable has this name */
861 if ( NULL != psppire_dict_lookup_var (dict, name))
864 dict_rename_var (dict->dict, v, name);
871 psppire_dict_get_weight_variable (const PsppireDict *dict)
873 return dict_get_weight (dict->dict);
880 psppire_dict_dump (const PsppireDict *dict)
883 const struct dictionary *d = dict->dict;
885 for (i = 0; i < dict_get_var_cnt (d); ++i)
887 const struct variable *v = psppire_dict_get_variable (dict, i);
888 int di = var_get_dict_index (v);
889 g_print ("`%s' idx=%d, fv=%d\n",
892 var_get_case_index(v));
902 psppire_dict_encoding (const PsppireDict *dict)
904 return dict_get_encoding (dict->dict);