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 [FONT_CHANGED] =
117 g_signal_new ("font_changed",
118 G_TYPE_FROM_CLASS (class),
122 g_cclosure_marshal_VOID__VOID,
127 signals [BACKEND_CHANGED] =
128 g_signal_new ("backend-changed",
129 G_TYPE_FROM_CLASS (class),
133 g_cclosure_marshal_VOID__VOID,
141 psppire_data_store_get_var_count (const GSheetModel *model)
143 const PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
145 return psppire_dict_get_var_cnt (store->dict);
149 psppire_data_store_get_case_count (const PsppireDataStore *store)
151 return psppire_case_file_get_case_count (store->case_file);
155 psppire_data_store_get_value_count (const PsppireDataStore *store)
157 return psppire_dict_get_value_cnt (store->dict);
161 psppire_data_store_get_case_count_wrapper (const GSheetModel *model)
163 const PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
164 return psppire_data_store_get_case_count (store);
168 psppire_data_store_init (PsppireDataStore *data_store)
170 data_store->dict = 0;
171 data_store->case_file = NULL;
172 data_store->width_of_m = 10;
173 data_store->dispose_has_run = FALSE;
176 const PangoFontDescription *
177 psppire_data_store_get_font_desc (const GSheetModel *model,
178 glong row, glong column)
180 PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
182 return store->font_desc;
185 static inline gchar *
186 psppire_data_store_get_string_wrapper (const GSheetModel *model, glong row,
189 return psppire_data_store_get_string (PSPPIRE_DATA_STORE (model), row, column);
193 static inline gboolean
194 psppire_data_store_set_string_wrapper (GSheetModel *model,
196 glong row, glong column)
198 return psppire_data_store_set_string (PSPPIRE_DATA_STORE (model), text,
204 static gchar * get_column_subtitle (const GSheetModel *model, gint col);
205 static gchar * get_column_button_label (const GSheetModel *model, gint col);
206 static gboolean get_column_sensitivity (const GSheetModel *model, gint col);
207 static GtkJustification get_column_justification (const GSheetModel *model, gint col);
209 static gchar * get_row_button_label (const GSheetModel *model, gint row);
210 static gboolean get_row_sensitivity (const GSheetModel *model, gint row);
214 psppire_data_store_sheet_model_init (GSheetModelIface *iface)
216 iface->free_strings = TRUE;
217 iface->get_string = psppire_data_store_get_string_wrapper;
218 iface->set_string = psppire_data_store_set_string_wrapper;
219 iface->clear_datum = psppire_data_store_clear_datum;
220 iface->is_editable = NULL;
221 iface->get_foreground = NULL;
222 iface->get_background = NULL;
223 iface->get_font_desc = psppire_data_store_get_font_desc;
224 iface->get_cell_border = NULL;
225 iface->get_column_count = psppire_data_store_get_var_count;
226 iface->get_row_count = psppire_data_store_get_case_count_wrapper;
228 iface->get_column_subtitle = get_column_subtitle;
229 iface->get_column_title = get_column_button_label;
230 iface->get_column_sensitivity = get_column_sensitivity;
231 iface->get_column_justification = get_column_justification;
233 iface->get_row_title = get_row_button_label;
234 iface->get_row_sensitivity = get_row_sensitivity;
238 delete_cases_callback (GtkWidget *w,
239 casenumber first, casenumber n_cases, gpointer data)
241 PsppireDataStore *store ;
243 g_return_if_fail (data);
245 store = PSPPIRE_DATA_STORE (data);
247 g_assert (first >= 0);
249 g_sheet_model_rows_deleted (G_SHEET_MODEL (store), first, n_cases);
254 insert_case_callback (GtkWidget *w, casenumber casenum, gpointer data)
256 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
258 g_return_if_fail (data);
260 g_print ("%s\n", __FUNCTION__);
262 g_sheet_model_range_changed (G_SHEET_MODEL (store),
264 psppire_case_file_get_case_count (store->case_file),
267 g_sheet_model_rows_inserted (G_SHEET_MODEL (store), casenum, 1);
272 changed_case_callback (GtkWidget *w, gint casenum, gpointer data)
274 PsppireDataStore *store ;
275 g_return_if_fail (data);
277 store = PSPPIRE_DATA_STORE (data);
279 g_sheet_model_range_changed (G_SHEET_MODEL (store),
286 A callback which occurs after a variable has been deleted.
289 delete_variable_callback (GObject *obj, gint dict_index,
290 gint case_index, gint val_cnt,
293 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
296 g_sheet_model_columns_deleted (G_SHEET_MODEL (store), dict_index, 1);
298 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
305 variable_changed_callback (GObject *obj, gint var_num, gpointer data)
307 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
310 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
314 g_sheet_model_range_changed (G_SHEET_MODEL (store),
321 insert_variable_callback (GObject *obj, gint var_num, gpointer data)
323 PsppireDataStore *store;
326 g_return_if_fail (data);
328 store = PSPPIRE_DATA_STORE (data);
332 struct variable *variable =
333 psppire_dict_get_variable (store->dict, var_num);
335 g_assert (variable != NULL);
337 posn = var_get_case_index (variable);
344 psppire_case_file_insert_values (store->case_file, 1, posn);
347 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
351 g_sheet_model_columns_inserted (G_SHEET_MODEL (store), var_num, 1);
356 dict_size_change_callback (GObject *obj,
357 gint posn, gint adjustment, gpointer data)
359 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
361 const struct variable *v = psppire_dict_get_variable (store->dict, posn);
363 const gint new_val_width = value_cnt_from_width (var_get_width (v));
365 if ( adjustment > 0 )
366 psppire_case_file_insert_values (store->case_file, adjustment,
367 new_val_width - adjustment +
368 var_get_case_index(v));
374 * psppire_data_store_new:
375 * @dict: The dictionary for this data_store.
378 * Return value: a new #PsppireDataStore
381 psppire_data_store_new (PsppireDict *dict)
383 PsppireDataStore *retval;
385 retval = g_object_new (GTK_TYPE_DATA_STORE, NULL);
387 psppire_data_store_set_dictionary (retval, dict);
394 psppire_data_store_set_case_file (PsppireDataStore *ds,
398 if ( ds->case_file) g_object_unref (ds->case_file);
401 g_sheet_model_range_changed (G_SHEET_MODEL (ds),
404 for (i = 0 ; i < n_cf_signals ; ++i )
406 if ( ds->cf_handler_id [i] > 0 )
407 g_signal_handler_disconnect (ds->case_file,
408 ds->cf_handler_id[i]);
413 for (i = 0 ; i < n_dict_signals; ++i )
415 if ( ds->dict_handler_id [i] > 0)
417 g_signal_handler_unblock (ds->dict,
418 ds->dict_handler_id[i]);
422 ds->cf_handler_id [CASES_DELETED] =
423 g_signal_connect (ds->case_file, "cases-deleted",
424 G_CALLBACK (delete_cases_callback),
427 ds->cf_handler_id [CASE_INSERTED] =
428 g_signal_connect (ds->case_file, "case-inserted",
429 G_CALLBACK (insert_case_callback),
432 ds->cf_handler_id [CASE_CHANGED] =
433 g_signal_connect (ds->case_file, "case-changed",
434 G_CALLBACK (changed_case_callback),
437 g_signal_emit (ds, signals[BACKEND_CHANGED], 0);
442 * psppire_data_store_replace_set_dictionary:
443 * @data_store: The variable store
444 * @dict: The dictionary to set
446 * If a dictionary is already associated with the data-store, then it will be
450 psppire_data_store_set_dictionary (PsppireDataStore *data_store, PsppireDict *dict)
454 /* Disconnect any existing handlers */
455 if ( data_store->dict )
456 for (i = 0 ; i < n_dict_signals; ++i )
458 g_signal_handler_disconnect (data_store->dict,
459 data_store->dict_handler_id[i]);
462 data_store->dict = dict;
467 data_store->dict_handler_id [VARIABLE_INSERTED] =
468 g_signal_connect (dict, "variable-inserted",
469 G_CALLBACK (insert_variable_callback),
472 data_store->dict_handler_id [VARIABLE_DELETED] =
473 g_signal_connect (dict, "variable-deleted",
474 G_CALLBACK (delete_variable_callback),
477 data_store->dict_handler_id [VARIABLE_CHANGED] =
478 g_signal_connect (dict, "variable-changed",
479 G_CALLBACK (variable_changed_callback),
482 data_store->dict_handler_id [SIZE_CHANGED] =
483 g_signal_connect (dict, "dict-size-changed",
484 G_CALLBACK (dict_size_change_callback),
490 /* The entire model has changed */
491 g_sheet_model_range_changed (G_SHEET_MODEL (data_store), -1, -1, -1, -1);
494 g_sheet_column_columns_changed (G_SHEET_COLUMN (data_store), 0, -1);
497 if ( data_store->dict )
498 for (i = 0 ; i < n_dict_signals; ++i )
500 if ( data_store->dict_handler_id [i] > 0)
502 g_signal_handler_block (data_store->dict,
503 data_store->dict_handler_id[i]);
509 psppire_data_store_finalize (GObject *object)
513 (* parent_class->finalize) (object);
518 psppire_data_store_dispose (GObject *object)
520 PsppireDataStore *ds = PSPPIRE_DATA_STORE (object);
522 if (ds->dispose_has_run)
525 if (ds->case_file) g_object_unref (ds->case_file);
528 (* parent_class->dispose) (object);
530 ds->dispose_has_run = TRUE;
535 psppire_data_store_delete_cases (PsppireDataStore *ds,
536 casenumber first, casenumber count)
538 g_return_val_if_fail (ds, FALSE);
540 return psppire_case_file_delete_cases (ds->case_file, count, first);
545 /* Insert a blank case before POSN */
547 psppire_data_store_insert_new_case (PsppireDataStore *ds, casenumber posn)
552 g_return_val_if_fail (ds, FALSE);
554 val_cnt = datasheet_get_column_cnt (ds->case_file->datasheet) ;
556 g_return_val_if_fail (val_cnt > 0, FALSE);
558 g_return_val_if_fail (posn <= psppire_data_store_get_case_count (ds), FALSE);
560 case_create (&cc, val_cnt);
562 memset ( case_data_rw_idx (&cc, 0), 0, val_cnt * MAX_SHORT_STRING);
564 for (v = 0 ; v < psppire_dict_get_var_cnt (ds->dict) ; ++v)
566 const struct variable *pv = psppire_dict_get_variable (ds->dict, v);
567 if ( var_is_alpha (pv))
570 case_data_rw (&cc, pv)->f = SYSMIS;
573 result = psppire_case_file_insert_case (ds->case_file, &cc, posn);
582 psppire_data_store_get_string (PsppireDataStore *store, glong row, glong column)
586 const struct fmt_spec *fp ;
587 const struct variable *pv ;
591 g_return_val_if_fail (store->dict, NULL);
592 g_return_val_if_fail (store->case_file, NULL);
594 if (column >= psppire_dict_get_var_cnt (store->dict))
597 if ( row >= psppire_case_file_get_case_count (store->case_file))
600 pv = psppire_dict_get_variable (store->dict, column);
604 idx = var_get_case_index (pv);
608 v = psppire_case_file_get_value (store->case_file, row, idx, NULL,
611 g_return_val_if_fail (v, NULL);
613 if ( store->show_labels)
615 const gchar *label = var_lookup_value_label (pv, v);
619 return pspp_locale_to_utf8 (label, -1, 0);
623 fp = var_get_write_format (pv);
625 s = g_string_sized_new (fp->w + 1);
626 g_string_set_size (s, fp->w);
628 memset (s->str, 0, fp->w);
630 g_assert (fp->w == s->len);
632 /* Converts binary value V into printable form in the exactly
633 FP->W character in buffer S according to format specification
634 FP. No null terminator is appended to the buffer. */
635 data_out (v, fp, s->str);
637 text = pspp_locale_to_utf8 (s->str, fp->w, 0);
638 g_string_free (s, TRUE);
648 psppire_data_store_clear_datum (GSheetModel *model,
649 glong row, glong col)
651 PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
654 const struct variable *pv = psppire_dict_get_variable (store->dict, col);
656 const gint index = var_get_case_index (pv) ;
658 if ( var_is_numeric (pv))
661 memcpy (v.s, "", MAX_SHORT_STRING);
663 psppire_case_file_set_value (store->case_file, row, index, &v,
670 /* Attempts to update that part of the variable store which corresponds
671 to ROW, COL with the value TEXT.
672 Returns true if anything was updated, false otherwise.
675 psppire_data_store_set_string (PsppireDataStore *store,
676 const gchar *text, glong row, glong col)
679 const struct variable *pv = psppire_dict_get_variable (store->dict, col);
680 g_return_val_if_fail (pv, FALSE);
682 n_cases = psppire_data_store_get_case_count (store);
688 psppire_data_store_insert_new_case (store, row);
690 psppire_case_file_data_in (store->case_file, row,
691 var_get_case_index (pv), ss_cstr (text),
692 var_get_write_format (pv));
699 psppire_data_store_set_font (PsppireDataStore *store,
700 const PangoFontDescription *fd)
702 g_return_if_fail (store);
703 g_return_if_fail (PSPPIRE_IS_DATA_STORE (store));
705 store->font_desc = fd;
707 store->width_of_m = calc_m_width (fd);
709 g_signal_emit (store, signals [FONT_CHANGED], 0);
712 g_sheet_model_range_changed (G_SHEET_MODEL (store),
718 psppire_data_store_show_labels (PsppireDataStore *store, gboolean show_labels)
720 g_return_if_fail (store);
721 g_return_if_fail (PSPPIRE_IS_DATA_STORE (store));
723 store->show_labels = show_labels;
725 g_sheet_model_range_changed (G_SHEET_MODEL (store),
731 psppire_data_store_clear (PsppireDataStore *data_store)
733 psppire_case_file_clear (data_store->case_file);
735 psppire_dict_clear (data_store->dict);
740 /* Return a casereader made from this datastore */
742 psppire_data_store_get_reader (PsppireDataStore *ds)
745 struct casereader *reader ;
747 for (i = 0 ; i < n_cf_signals ; ++i )
749 g_signal_handler_disconnect (ds->case_file, ds->cf_handler_id[i]);
750 ds->cf_handler_id[i] = 0 ;
754 for (i = 0 ; i < n_dict_signals; ++i )
756 g_signal_handler_block (ds->dict,
757 ds->dict_handler_id[i]);
760 reader = psppire_case_file_make_reader (ds->case_file);
767 /* Column related funcs */
770 static const gchar null_var_name[]=N_("var");
774 /* Row related funcs */
777 get_row_button_label (const GSheetModel *model, gint unit)
781 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
783 s = g_strdup_printf (_("%d"), unit + 1);
785 text = pspp_locale_to_utf8 (s, -1, 0);
794 get_row_sensitivity (const GSheetModel *model, gint unit)
796 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
798 return (unit < psppire_case_file_get_case_count (ds->case_file));
804 /* Column related stuff */
807 get_column_subtitle (const GSheetModel *model, gint col)
810 const struct variable *v ;
811 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
813 if ( col >= psppire_dict_get_var_cnt (ds->dict) )
816 v = psppire_dict_get_variable (ds->dict, col);
818 if ( ! var_has_label (v))
821 text = pspp_locale_to_utf8 (var_get_label (v), -1, 0);
827 get_column_button_label (const GSheetModel *model, gint col)
830 struct variable *pv ;
831 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
833 if ( col >= psppire_dict_get_var_cnt (ds->dict) )
834 return g_locale_to_utf8 (null_var_name, -1, 0, 0, 0);
836 pv = psppire_dict_get_variable (ds->dict, col);
838 text = pspp_locale_to_utf8 (var_get_name (pv), -1, 0);
844 get_column_sensitivity (const GSheetModel *model, gint col)
846 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
848 return (col < psppire_dict_get_var_cnt (ds->dict));
853 static GtkJustification
854 get_column_justification (const GSheetModel *model, gint col)
856 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
857 const struct variable *pv ;
859 if ( col >= psppire_dict_get_var_cnt (ds->dict) )
860 return GTK_JUSTIFY_LEFT;
862 pv = psppire_dict_get_variable (ds->dict, col);
864 return (var_get_alignment (pv) == ALIGN_LEFT ? GTK_JUSTIFY_LEFT
865 : var_get_alignment (pv) == ALIGN_RIGHT ? GTK_JUSTIFY_RIGHT
866 : GTK_JUSTIFY_CENTER);