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->dispose_has_run = FALSE;
164 static inline gchar *
165 psppire_data_store_get_string_wrapper (const GSheetModel *model, glong row,
168 return psppire_data_store_get_string (PSPPIRE_DATA_STORE (model), row, column);
172 static inline gboolean
173 psppire_data_store_set_string_wrapper (GSheetModel *model,
175 glong row, glong column)
177 return psppire_data_store_set_string (PSPPIRE_DATA_STORE (model), text,
183 static gchar * get_column_subtitle (const GSheetModel *model, gint col);
184 static gchar * get_column_button_label (const GSheetModel *model, gint col);
185 static gboolean get_column_sensitivity (const GSheetModel *model, gint col);
186 static GtkJustification get_column_justification (const GSheetModel *model, gint col);
188 static gchar * get_row_button_label (const GSheetModel *model, gint row);
189 static gboolean get_row_sensitivity (const GSheetModel *model, gint row);
193 psppire_data_store_sheet_model_init (GSheetModelIface *iface)
195 iface->free_strings = TRUE;
196 iface->get_string = psppire_data_store_get_string_wrapper;
197 iface->set_string = psppire_data_store_set_string_wrapper;
198 iface->clear_datum = psppire_data_store_clear_datum;
199 iface->is_editable = NULL;
200 iface->get_foreground = NULL;
201 iface->get_background = NULL;
202 iface->get_cell_border = NULL;
203 iface->get_column_count = psppire_data_store_get_var_count;
204 iface->get_row_count = psppire_data_store_get_case_count_wrapper;
206 iface->get_column_subtitle = get_column_subtitle;
207 iface->get_column_title = get_column_button_label;
208 iface->get_column_sensitivity = get_column_sensitivity;
209 iface->get_column_justification = get_column_justification;
211 iface->get_row_title = get_row_button_label;
212 iface->get_row_sensitivity = get_row_sensitivity;
216 delete_cases_callback (GtkWidget *w,
217 casenumber first, casenumber n_cases, gpointer data)
219 PsppireDataStore *store ;
221 g_return_if_fail (data);
223 store = PSPPIRE_DATA_STORE (data);
225 g_assert (first >= 0);
227 g_sheet_model_rows_deleted (G_SHEET_MODEL (store), first, n_cases);
232 insert_case_callback (GtkWidget *w, casenumber casenum, gpointer data)
234 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
236 g_return_if_fail (data);
238 g_print ("%s\n", __FUNCTION__);
240 g_sheet_model_range_changed (G_SHEET_MODEL (store),
242 psppire_case_file_get_case_count (store->case_file),
245 g_sheet_model_rows_inserted (G_SHEET_MODEL (store), casenum, 1);
250 changed_case_callback (GtkWidget *w, gint casenum, gpointer data)
252 PsppireDataStore *store ;
253 g_return_if_fail (data);
255 store = PSPPIRE_DATA_STORE (data);
257 g_sheet_model_range_changed (G_SHEET_MODEL (store),
264 A callback which occurs after a variable has been deleted.
267 delete_variable_callback (GObject *obj, gint dict_index,
268 gint case_index, gint val_cnt,
271 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
274 g_sheet_model_columns_deleted (G_SHEET_MODEL (store), dict_index, 1);
276 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
283 variable_changed_callback (GObject *obj, gint var_num, gpointer data)
285 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
288 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
292 g_sheet_model_range_changed (G_SHEET_MODEL (store),
299 insert_variable_callback (GObject *obj, gint var_num, gpointer data)
301 PsppireDataStore *store;
304 g_return_if_fail (data);
306 store = PSPPIRE_DATA_STORE (data);
310 struct variable *variable =
311 psppire_dict_get_variable (store->dict, var_num);
313 g_assert (variable != NULL);
315 posn = var_get_case_index (variable);
322 psppire_case_file_insert_values (store->case_file, 1, posn);
325 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
329 g_sheet_model_columns_inserted (G_SHEET_MODEL (store), var_num, 1);
334 dict_size_change_callback (GObject *obj,
335 gint posn, gint adjustment, gpointer data)
337 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
339 const struct variable *v = psppire_dict_get_variable (store->dict, posn);
341 const gint new_val_width = value_cnt_from_width (var_get_width (v));
343 if ( adjustment > 0 )
344 psppire_case_file_insert_values (store->case_file, adjustment,
345 new_val_width - adjustment +
346 var_get_case_index(v));
352 * psppire_data_store_new:
353 * @dict: The dictionary for this data_store.
356 * Return value: a new #PsppireDataStore
359 psppire_data_store_new (PsppireDict *dict)
361 PsppireDataStore *retval;
363 retval = g_object_new (GTK_TYPE_DATA_STORE, NULL);
365 psppire_data_store_set_dictionary (retval, dict);
372 psppire_data_store_set_case_file (PsppireDataStore *ds,
376 if ( ds->case_file) g_object_unref (ds->case_file);
379 g_sheet_model_range_changed (G_SHEET_MODEL (ds),
382 for (i = 0 ; i < n_cf_signals ; ++i )
384 if ( ds->cf_handler_id [i] > 0 )
385 g_signal_handler_disconnect (ds->case_file,
386 ds->cf_handler_id[i]);
391 for (i = 0 ; i < n_dict_signals; ++i )
393 if ( ds->dict_handler_id [i] > 0)
395 g_signal_handler_unblock (ds->dict,
396 ds->dict_handler_id[i]);
400 ds->cf_handler_id [CASES_DELETED] =
401 g_signal_connect (ds->case_file, "cases-deleted",
402 G_CALLBACK (delete_cases_callback),
405 ds->cf_handler_id [CASE_INSERTED] =
406 g_signal_connect (ds->case_file, "case-inserted",
407 G_CALLBACK (insert_case_callback),
410 ds->cf_handler_id [CASE_CHANGED] =
411 g_signal_connect (ds->case_file, "case-changed",
412 G_CALLBACK (changed_case_callback),
415 g_signal_emit (ds, signals[BACKEND_CHANGED], 0);
420 * psppire_data_store_replace_set_dictionary:
421 * @data_store: The variable store
422 * @dict: The dictionary to set
424 * If a dictionary is already associated with the data-store, then it will be
428 psppire_data_store_set_dictionary (PsppireDataStore *data_store, PsppireDict *dict)
432 /* Disconnect any existing handlers */
433 if ( data_store->dict )
434 for (i = 0 ; i < n_dict_signals; ++i )
436 g_signal_handler_disconnect (data_store->dict,
437 data_store->dict_handler_id[i]);
440 data_store->dict = dict;
445 data_store->dict_handler_id [VARIABLE_INSERTED] =
446 g_signal_connect (dict, "variable-inserted",
447 G_CALLBACK (insert_variable_callback),
450 data_store->dict_handler_id [VARIABLE_DELETED] =
451 g_signal_connect (dict, "variable-deleted",
452 G_CALLBACK (delete_variable_callback),
455 data_store->dict_handler_id [VARIABLE_CHANGED] =
456 g_signal_connect (dict, "variable-changed",
457 G_CALLBACK (variable_changed_callback),
460 data_store->dict_handler_id [SIZE_CHANGED] =
461 g_signal_connect (dict, "dict-size-changed",
462 G_CALLBACK (dict_size_change_callback),
468 /* The entire model has changed */
469 g_sheet_model_range_changed (G_SHEET_MODEL (data_store), -1, -1, -1, -1);
472 g_sheet_column_columns_changed (G_SHEET_COLUMN (data_store), 0, -1);
475 if ( data_store->dict )
476 for (i = 0 ; i < n_dict_signals; ++i )
478 if ( data_store->dict_handler_id [i] > 0)
480 g_signal_handler_block (data_store->dict,
481 data_store->dict_handler_id[i]);
487 psppire_data_store_finalize (GObject *object)
491 (* parent_class->finalize) (object);
496 psppire_data_store_dispose (GObject *object)
498 PsppireDataStore *ds = PSPPIRE_DATA_STORE (object);
500 if (ds->dispose_has_run)
503 if (ds->case_file) g_object_unref (ds->case_file);
506 (* parent_class->dispose) (object);
508 ds->dispose_has_run = TRUE;
513 psppire_data_store_delete_cases (PsppireDataStore *ds,
514 casenumber first, casenumber count)
516 g_return_val_if_fail (ds, FALSE);
518 return psppire_case_file_delete_cases (ds->case_file, count, first);
523 /* Insert a blank case before POSN */
525 psppire_data_store_insert_new_case (PsppireDataStore *ds, casenumber posn)
530 g_return_val_if_fail (ds, FALSE);
532 val_cnt = datasheet_get_column_cnt (ds->case_file->datasheet) ;
534 g_return_val_if_fail (val_cnt > 0, FALSE);
536 g_return_val_if_fail (posn <= psppire_data_store_get_case_count (ds), FALSE);
538 case_create (&cc, val_cnt);
540 memset ( case_data_rw_idx (&cc, 0), 0, val_cnt * MAX_SHORT_STRING);
542 for (v = 0 ; v < psppire_dict_get_var_cnt (ds->dict) ; ++v)
544 const struct variable *pv = psppire_dict_get_variable (ds->dict, v);
545 if ( var_is_alpha (pv))
548 case_data_rw (&cc, pv)->f = SYSMIS;
551 result = psppire_case_file_insert_case (ds->case_file, &cc, posn);
560 psppire_data_store_get_string (PsppireDataStore *store, glong row, glong column)
564 const struct fmt_spec *fp ;
565 const struct variable *pv ;
569 g_return_val_if_fail (store->dict, NULL);
570 g_return_val_if_fail (store->case_file, NULL);
572 if (column >= psppire_dict_get_var_cnt (store->dict))
575 if ( row >= psppire_case_file_get_case_count (store->case_file))
578 pv = psppire_dict_get_variable (store->dict, column);
582 idx = var_get_case_index (pv);
586 v = psppire_case_file_get_value (store->case_file, row, idx, NULL,
589 g_return_val_if_fail (v, NULL);
591 if ( store->show_labels)
593 const gchar *label = var_lookup_value_label (pv, v);
597 return pspp_locale_to_utf8 (label, -1, 0);
601 fp = var_get_write_format (pv);
603 s = g_string_sized_new (fp->w + 1);
604 g_string_set_size (s, fp->w);
606 memset (s->str, 0, fp->w);
608 g_assert (fp->w == s->len);
610 /* Converts binary value V into printable form in the exactly
611 FP->W character in buffer S according to format specification
612 FP. No null terminator is appended to the buffer. */
613 data_out (v, fp, s->str);
615 text = pspp_locale_to_utf8 (s->str, fp->w, 0);
616 g_string_free (s, TRUE);
626 psppire_data_store_clear_datum (GSheetModel *model,
627 glong row, glong col)
629 PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
632 const struct variable *pv = psppire_dict_get_variable (store->dict, col);
634 const gint index = var_get_case_index (pv) ;
636 if ( var_is_numeric (pv))
639 memcpy (v.s, "", MAX_SHORT_STRING);
641 psppire_case_file_set_value (store->case_file, row, index, &v,
648 /* Attempts to update that part of the variable store which corresponds
649 to ROW, COL with the value TEXT.
650 Returns true if anything was updated, false otherwise.
653 psppire_data_store_set_string (PsppireDataStore *store,
654 const gchar *text, glong row, glong col)
657 const struct variable *pv = psppire_dict_get_variable (store->dict, col);
658 g_return_val_if_fail (pv, FALSE);
660 n_cases = psppire_data_store_get_case_count (store);
666 psppire_data_store_insert_new_case (store, row);
668 psppire_case_file_data_in (store->case_file, row,
669 var_get_case_index (pv), ss_cstr (text),
670 var_get_write_format (pv));
678 psppire_data_store_show_labels (PsppireDataStore *store, gboolean show_labels)
680 g_return_if_fail (store);
681 g_return_if_fail (PSPPIRE_IS_DATA_STORE (store));
683 store->show_labels = show_labels;
685 g_sheet_model_range_changed (G_SHEET_MODEL (store),
691 psppire_data_store_clear (PsppireDataStore *data_store)
693 psppire_case_file_clear (data_store->case_file);
695 psppire_dict_clear (data_store->dict);
700 /* Return a casereader made from this datastore */
702 psppire_data_store_get_reader (PsppireDataStore *ds)
705 struct casereader *reader ;
707 for (i = 0 ; i < n_cf_signals ; ++i )
709 g_signal_handler_disconnect (ds->case_file, ds->cf_handler_id[i]);
710 ds->cf_handler_id[i] = 0 ;
714 for (i = 0 ; i < n_dict_signals; ++i )
716 g_signal_handler_block (ds->dict,
717 ds->dict_handler_id[i]);
720 reader = psppire_case_file_make_reader (ds->case_file);
727 /* Column related funcs */
730 static const gchar null_var_name[]=N_("var");
734 /* Row related funcs */
737 get_row_button_label (const GSheetModel *model, gint unit)
741 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
743 s = g_strdup_printf (_("%d"), unit + 1);
745 text = pspp_locale_to_utf8 (s, -1, 0);
754 get_row_sensitivity (const GSheetModel *model, gint unit)
756 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
758 return (unit < psppire_case_file_get_case_count (ds->case_file));
764 /* Column related stuff */
767 get_column_subtitle (const GSheetModel *model, gint col)
770 const struct variable *v ;
771 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
773 if ( col >= psppire_dict_get_var_cnt (ds->dict) )
776 v = psppire_dict_get_variable (ds->dict, col);
778 if ( ! var_has_label (v))
781 text = pspp_locale_to_utf8 (var_get_label (v), -1, 0);
787 get_column_button_label (const GSheetModel *model, gint col)
790 struct variable *pv ;
791 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
793 if ( col >= psppire_dict_get_var_cnt (ds->dict) )
794 return g_locale_to_utf8 (null_var_name, -1, 0, 0, 0);
796 pv = psppire_dict_get_variable (ds->dict, col);
798 text = pspp_locale_to_utf8 (var_get_name (pv), -1, 0);
804 get_column_sensitivity (const GSheetModel *model, gint col)
806 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
808 return (col < psppire_dict_get_var_cnt (ds->dict));
813 static GtkJustification
814 get_column_justification (const GSheetModel *model, gint col)
816 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
817 const struct variable *pv ;
819 if ( col >= psppire_dict_get_var_cnt (ds->dict) )
820 return GTK_JUSTIFY_LEFT;
822 pv = psppire_dict_get_variable (ds->dict, col);
824 return (var_get_alignment (pv) == ALIGN_LEFT ? GTK_JUSTIFY_LEFT
825 : var_get_alignment (pv) == ALIGN_RIGHT ? GTK_JUSTIFY_RIGHT
826 : GTK_JUSTIFY_CENTER);