1 /* PSPPIRE - a graphical user interface for PSPP.
2 Copyright (C) 2006, 2008 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/>. */
21 #define _(msgid) gettext (msgid)
22 #define N_(msgid) msgid
24 #include <data/datasheet.h>
25 #include <data/data-out.h>
26 #include <data/variable.h>
28 #include <gtksheet/gsheetmodel.h>
30 #include <pango/pango-context.h>
32 #include "psppire-data-store.h"
33 #include "psppire-case-file.h"
36 #include <data/dictionary.h>
37 #include <data/missing-values.h>
38 #include <data/value-labels.h>
39 #include <data/data-in.h>
40 #include <data/format.h>
43 static void psppire_data_store_init (PsppireDataStore *data_store);
44 static void psppire_data_store_class_init (PsppireDataStoreClass *class);
45 static void psppire_data_store_sheet_model_init (GSheetModelIface *iface);
47 static void psppire_data_store_finalize (GObject *object);
48 static void psppire_data_store_dispose (GObject *object);
50 static gboolean psppire_data_store_clear_datum (GSheetModel *model,
51 glong row, glong column);
54 static GObjectClass *parent_class = NULL;
61 static guint signals [n_SIGNALS];
65 psppire_data_store_get_type (void)
67 static GType data_store_type = 0;
71 static const GTypeInfo data_store_info =
73 sizeof (PsppireDataStoreClass),
75 NULL, /* base_finalize */
76 (GClassInitFunc) psppire_data_store_class_init,
77 NULL, /* class_finalize */
78 NULL, /* class_data */
79 sizeof (PsppireDataStore),
81 (GInstanceInitFunc) psppire_data_store_init,
84 static const GInterfaceInfo sheet_model_info =
86 (GInterfaceInitFunc) psppire_data_store_sheet_model_init,
92 data_store_type = g_type_register_static (G_TYPE_OBJECT, "PsppireDataStore",
95 g_type_add_interface_static (data_store_type,
101 return data_store_type;
106 psppire_data_store_class_init (PsppireDataStoreClass *class)
108 GObjectClass *object_class;
110 parent_class = g_type_class_peek_parent (class);
111 object_class = (GObjectClass*) class;
113 object_class->finalize = psppire_data_store_finalize;
114 object_class->dispose = psppire_data_store_dispose;
116 signals [BACKEND_CHANGED] =
117 g_signal_new ("backend-changed",
118 G_TYPE_FROM_CLASS (class),
122 g_cclosure_marshal_VOID__VOID,
130 psppire_data_store_get_var_count (const GSheetModel *model)
132 const PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
134 return psppire_dict_get_var_cnt (store->dict);
138 psppire_data_store_get_case_count (const PsppireDataStore *store)
140 return psppire_case_file_get_case_count (store->case_file);
144 psppire_data_store_get_value_count (const PsppireDataStore *store)
146 return psppire_dict_get_value_cnt (store->dict);
150 psppire_data_store_get_case_count_wrapper (const GSheetModel *model)
152 const PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
153 return psppire_data_store_get_case_count (store);
157 psppire_data_store_init (PsppireDataStore *data_store)
159 data_store->dict = 0;
160 data_store->case_file = NULL;
161 data_store->width_of_m = 10;
162 data_store->dispose_has_run = FALSE;
165 static inline gchar *
166 psppire_data_store_get_string_wrapper (const GSheetModel *model, glong row,
169 return psppire_data_store_get_string (PSPPIRE_DATA_STORE (model), row, column);
173 static inline gboolean
174 psppire_data_store_set_string_wrapper (GSheetModel *model,
176 glong row, glong column)
178 return psppire_data_store_set_string (PSPPIRE_DATA_STORE (model), text,
184 static gchar * get_column_subtitle (const GSheetModel *model, gint col);
185 static gchar * get_column_button_label (const GSheetModel *model, gint col);
186 static gboolean get_column_sensitivity (const GSheetModel *model, gint col);
187 static GtkJustification get_column_justification (const GSheetModel *model, gint col);
189 static gchar * get_row_button_label (const GSheetModel *model, gint row);
190 static gboolean get_row_sensitivity (const GSheetModel *model, gint row);
194 psppire_data_store_sheet_model_init (GSheetModelIface *iface)
196 iface->free_strings = TRUE;
197 iface->get_string = psppire_data_store_get_string_wrapper;
198 iface->set_string = psppire_data_store_set_string_wrapper;
199 iface->clear_datum = psppire_data_store_clear_datum;
200 iface->is_editable = NULL;
201 iface->get_foreground = NULL;
202 iface->get_background = NULL;
203 iface->get_cell_border = NULL;
204 iface->get_column_count = psppire_data_store_get_var_count;
205 iface->get_row_count = psppire_data_store_get_case_count_wrapper;
207 iface->get_column_subtitle = get_column_subtitle;
208 iface->get_column_title = get_column_button_label;
209 iface->get_column_sensitivity = get_column_sensitivity;
210 iface->get_column_justification = get_column_justification;
212 iface->get_row_title = get_row_button_label;
213 iface->get_row_sensitivity = get_row_sensitivity;
217 delete_cases_callback (GtkWidget *w,
218 casenumber first, casenumber n_cases, gpointer data)
220 PsppireDataStore *store ;
222 g_return_if_fail (data);
224 store = PSPPIRE_DATA_STORE (data);
226 g_assert (first >= 0);
228 g_sheet_model_rows_deleted (G_SHEET_MODEL (store), first, n_cases);
233 insert_case_callback (GtkWidget *w, casenumber casenum, gpointer data)
235 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
237 g_return_if_fail (data);
239 g_print ("%s\n", __FUNCTION__);
241 g_sheet_model_range_changed (G_SHEET_MODEL (store),
243 psppire_case_file_get_case_count (store->case_file),
246 g_sheet_model_rows_inserted (G_SHEET_MODEL (store), casenum, 1);
251 changed_case_callback (GtkWidget *w, gint casenum, gpointer data)
253 PsppireDataStore *store ;
254 g_return_if_fail (data);
256 store = PSPPIRE_DATA_STORE (data);
258 g_sheet_model_range_changed (G_SHEET_MODEL (store),
265 A callback which occurs after a variable has been deleted.
268 delete_variable_callback (GObject *obj, gint dict_index,
269 gint case_index, gint val_cnt,
272 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
275 g_sheet_model_columns_deleted (G_SHEET_MODEL (store), dict_index, 1);
277 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
284 variable_changed_callback (GObject *obj, gint var_num, gpointer data)
286 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
289 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
293 g_sheet_model_range_changed (G_SHEET_MODEL (store),
300 insert_variable_callback (GObject *obj, gint var_num, gpointer data)
302 PsppireDataStore *store;
305 g_return_if_fail (data);
307 store = PSPPIRE_DATA_STORE (data);
311 struct variable *variable =
312 psppire_dict_get_variable (store->dict, var_num);
314 g_assert (variable != NULL);
316 posn = var_get_case_index (variable);
323 psppire_case_file_insert_values (store->case_file, 1, posn);
326 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
330 g_sheet_model_columns_inserted (G_SHEET_MODEL (store), var_num, 1);
335 dict_size_change_callback (GObject *obj,
336 gint posn, gint adjustment, gpointer data)
338 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
340 const struct variable *v = psppire_dict_get_variable (store->dict, posn);
342 const gint new_val_width = value_cnt_from_width (var_get_width (v));
344 if ( adjustment > 0 )
345 psppire_case_file_insert_values (store->case_file, adjustment,
346 new_val_width - adjustment +
347 var_get_case_index(v));
353 * psppire_data_store_new:
354 * @dict: The dictionary for this data_store.
357 * Return value: a new #PsppireDataStore
360 psppire_data_store_new (PsppireDict *dict)
362 PsppireDataStore *retval;
364 retval = g_object_new (GTK_TYPE_DATA_STORE, NULL);
366 psppire_data_store_set_dictionary (retval, dict);
373 psppire_data_store_set_case_file (PsppireDataStore *ds,
377 if ( ds->case_file) g_object_unref (ds->case_file);
380 g_sheet_model_range_changed (G_SHEET_MODEL (ds),
383 for (i = 0 ; i < n_cf_signals ; ++i )
385 if ( ds->cf_handler_id [i] > 0 )
386 g_signal_handler_disconnect (ds->case_file,
387 ds->cf_handler_id[i]);
392 for (i = 0 ; i < n_dict_signals; ++i )
394 if ( ds->dict_handler_id [i] > 0)
396 g_signal_handler_unblock (ds->dict,
397 ds->dict_handler_id[i]);
401 ds->cf_handler_id [CASES_DELETED] =
402 g_signal_connect (ds->case_file, "cases-deleted",
403 G_CALLBACK (delete_cases_callback),
406 ds->cf_handler_id [CASE_INSERTED] =
407 g_signal_connect (ds->case_file, "case-inserted",
408 G_CALLBACK (insert_case_callback),
411 ds->cf_handler_id [CASE_CHANGED] =
412 g_signal_connect (ds->case_file, "case-changed",
413 G_CALLBACK (changed_case_callback),
416 g_signal_emit (ds, signals[BACKEND_CHANGED], 0);
421 * psppire_data_store_replace_set_dictionary:
422 * @data_store: The variable store
423 * @dict: The dictionary to set
425 * If a dictionary is already associated with the data-store, then it will be
429 psppire_data_store_set_dictionary (PsppireDataStore *data_store, PsppireDict *dict)
433 /* Disconnect any existing handlers */
434 if ( data_store->dict )
435 for (i = 0 ; i < n_dict_signals; ++i )
437 g_signal_handler_disconnect (data_store->dict,
438 data_store->dict_handler_id[i]);
441 data_store->dict = dict;
446 data_store->dict_handler_id [VARIABLE_INSERTED] =
447 g_signal_connect (dict, "variable-inserted",
448 G_CALLBACK (insert_variable_callback),
451 data_store->dict_handler_id [VARIABLE_DELETED] =
452 g_signal_connect (dict, "variable-deleted",
453 G_CALLBACK (delete_variable_callback),
456 data_store->dict_handler_id [VARIABLE_CHANGED] =
457 g_signal_connect (dict, "variable-changed",
458 G_CALLBACK (variable_changed_callback),
461 data_store->dict_handler_id [SIZE_CHANGED] =
462 g_signal_connect (dict, "dict-size-changed",
463 G_CALLBACK (dict_size_change_callback),
469 /* The entire model has changed */
470 g_sheet_model_range_changed (G_SHEET_MODEL (data_store), -1, -1, -1, -1);
473 g_sheet_column_columns_changed (G_SHEET_COLUMN (data_store), 0, -1);
476 if ( data_store->dict )
477 for (i = 0 ; i < n_dict_signals; ++i )
479 if ( data_store->dict_handler_id [i] > 0)
481 g_signal_handler_block (data_store->dict,
482 data_store->dict_handler_id[i]);
488 psppire_data_store_finalize (GObject *object)
492 (* parent_class->finalize) (object);
497 psppire_data_store_dispose (GObject *object)
499 PsppireDataStore *ds = PSPPIRE_DATA_STORE (object);
501 if (ds->dispose_has_run)
504 if (ds->case_file) g_object_unref (ds->case_file);
507 (* parent_class->dispose) (object);
509 ds->dispose_has_run = TRUE;
514 psppire_data_store_delete_cases (PsppireDataStore *ds,
515 casenumber first, casenumber count)
517 g_return_val_if_fail (ds, FALSE);
519 return psppire_case_file_delete_cases (ds->case_file, count, first);
524 /* Insert a blank case before POSN */
526 psppire_data_store_insert_new_case (PsppireDataStore *ds, casenumber posn)
531 g_return_val_if_fail (ds, FALSE);
533 val_cnt = datasheet_get_column_cnt (ds->case_file->datasheet) ;
535 g_return_val_if_fail (val_cnt > 0, FALSE);
537 g_return_val_if_fail (posn <= psppire_data_store_get_case_count (ds), FALSE);
539 case_create (&cc, val_cnt);
541 memset ( case_data_rw_idx (&cc, 0), 0, val_cnt * MAX_SHORT_STRING);
543 for (v = 0 ; v < psppire_dict_get_var_cnt (ds->dict) ; ++v)
545 const struct variable *pv = psppire_dict_get_variable (ds->dict, v);
546 if ( var_is_alpha (pv))
549 case_data_rw (&cc, pv)->f = SYSMIS;
552 result = psppire_case_file_insert_case (ds->case_file, &cc, posn);
561 psppire_data_store_get_string (PsppireDataStore *store, glong row, glong column)
565 const struct fmt_spec *fp ;
566 const struct variable *pv ;
570 g_return_val_if_fail (store->dict, NULL);
571 g_return_val_if_fail (store->case_file, NULL);
573 if (column >= psppire_dict_get_var_cnt (store->dict))
576 if ( row >= psppire_case_file_get_case_count (store->case_file))
579 pv = psppire_dict_get_variable (store->dict, column);
583 idx = var_get_case_index (pv);
587 v = psppire_case_file_get_value (store->case_file, row, idx, NULL,
590 g_return_val_if_fail (v, NULL);
592 if ( store->show_labels)
594 const gchar *label = var_lookup_value_label (pv, v);
598 return pspp_locale_to_utf8 (label, -1, 0);
602 fp = var_get_write_format (pv);
604 s = g_string_sized_new (fp->w + 1);
605 g_string_set_size (s, fp->w);
607 memset (s->str, 0, fp->w);
609 g_assert (fp->w == s->len);
611 /* Converts binary value V into printable form in the exactly
612 FP->W character in buffer S according to format specification
613 FP. No null terminator is appended to the buffer. */
614 data_out (v, fp, s->str);
616 text = pspp_locale_to_utf8 (s->str, fp->w, 0);
617 g_string_free (s, TRUE);
627 psppire_data_store_clear_datum (GSheetModel *model,
628 glong row, glong col)
630 PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
633 const struct variable *pv = psppire_dict_get_variable (store->dict, col);
635 const gint index = var_get_case_index (pv) ;
637 if ( var_is_numeric (pv))
640 memcpy (v.s, "", MAX_SHORT_STRING);
642 psppire_case_file_set_value (store->case_file, row, index, &v,
649 /* Attempts to update that part of the variable store which corresponds
650 to ROW, COL with the value TEXT.
651 Returns true if anything was updated, false otherwise.
654 psppire_data_store_set_string (PsppireDataStore *store,
655 const gchar *text, glong row, glong col)
658 const struct variable *pv = psppire_dict_get_variable (store->dict, col);
659 g_return_val_if_fail (pv, FALSE);
661 n_cases = psppire_data_store_get_case_count (store);
667 psppire_data_store_insert_new_case (store, row);
669 psppire_case_file_data_in (store->case_file, row,
670 var_get_case_index (pv), ss_cstr (text),
671 var_get_write_format (pv));
679 psppire_data_store_show_labels (PsppireDataStore *store, gboolean show_labels)
681 g_return_if_fail (store);
682 g_return_if_fail (PSPPIRE_IS_DATA_STORE (store));
684 store->show_labels = show_labels;
686 g_sheet_model_range_changed (G_SHEET_MODEL (store),
692 psppire_data_store_clear (PsppireDataStore *data_store)
694 psppire_case_file_clear (data_store->case_file);
696 psppire_dict_clear (data_store->dict);
701 /* Return a casereader made from this datastore */
703 psppire_data_store_get_reader (PsppireDataStore *ds)
706 struct casereader *reader ;
708 for (i = 0 ; i < n_cf_signals ; ++i )
710 g_signal_handler_disconnect (ds->case_file, ds->cf_handler_id[i]);
711 ds->cf_handler_id[i] = 0 ;
715 for (i = 0 ; i < n_dict_signals; ++i )
717 g_signal_handler_block (ds->dict,
718 ds->dict_handler_id[i]);
721 reader = psppire_case_file_make_reader (ds->case_file);
728 /* Column related funcs */
731 static const gchar null_var_name[]=N_("var");
735 /* Row related funcs */
738 get_row_button_label (const GSheetModel *model, gint unit)
742 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
744 s = g_strdup_printf (_("%d"), unit + 1);
746 text = pspp_locale_to_utf8 (s, -1, 0);
755 get_row_sensitivity (const GSheetModel *model, gint unit)
757 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
759 return (unit < psppire_case_file_get_case_count (ds->case_file));
765 /* Column related stuff */
768 get_column_subtitle (const GSheetModel *model, gint col)
771 const struct variable *v ;
772 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
774 if ( col >= psppire_dict_get_var_cnt (ds->dict) )
777 v = psppire_dict_get_variable (ds->dict, col);
779 if ( ! var_has_label (v))
782 text = pspp_locale_to_utf8 (var_get_label (v), -1, 0);
788 get_column_button_label (const GSheetModel *model, gint col)
791 struct variable *pv ;
792 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
794 if ( col >= psppire_dict_get_var_cnt (ds->dict) )
795 return g_locale_to_utf8 (null_var_name, -1, 0, 0, 0);
797 pv = psppire_dict_get_variable (ds->dict, col);
799 text = pspp_locale_to_utf8 (var_get_name (pv), -1, 0);
805 get_column_sensitivity (const GSheetModel *model, gint col)
807 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
809 return (col < psppire_dict_get_var_cnt (ds->dict));
814 static GtkJustification
815 get_column_justification (const GSheetModel *model, gint col)
817 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
818 const struct variable *pv ;
820 if ( col >= psppire_dict_get_var_cnt (ds->dict) )
821 return GTK_JUSTIFY_LEFT;
823 pv = psppire_dict_get_variable (ds->dict, col);
825 return (var_get_alignment (pv) == ALIGN_LEFT ? GTK_JUSTIFY_LEFT
826 : var_get_alignment (pv) == ALIGN_RIGHT ? GTK_JUSTIFY_RIGHT
827 : GTK_JUSTIFY_CENTER);