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->is_visible = NULL;
222 iface->get_foreground = NULL;
223 iface->get_background = NULL;
224 iface->get_font_desc = psppire_data_store_get_font_desc;
225 iface->get_cell_border = NULL;
226 iface->get_column_count = psppire_data_store_get_var_count;
227 iface->get_row_count = psppire_data_store_get_case_count_wrapper;
229 iface->get_column_subtitle = get_column_subtitle;
230 iface->get_column_title = get_column_button_label;
231 iface->get_column_sensitivity = get_column_sensitivity;
232 iface->get_column_justification = get_column_justification;
234 iface->get_row_title = get_row_button_label;
235 iface->get_row_sensitivity = get_row_sensitivity;
239 delete_cases_callback (GtkWidget *w,
240 casenumber first, casenumber n_cases, gpointer data)
242 PsppireDataStore *store ;
244 g_return_if_fail (data);
246 store = PSPPIRE_DATA_STORE (data);
248 g_assert (first >= 0);
250 g_sheet_model_rows_deleted (G_SHEET_MODEL (store), first, n_cases);
255 insert_case_callback (GtkWidget *w, casenumber casenum, gpointer data)
257 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
259 g_return_if_fail (data);
261 g_print ("%s\n", __FUNCTION__);
263 g_sheet_model_range_changed (G_SHEET_MODEL (store),
265 psppire_case_file_get_case_count (store->case_file),
268 g_sheet_model_rows_inserted (G_SHEET_MODEL (store), casenum, 1);
273 changed_case_callback (GtkWidget *w, gint casenum, gpointer data)
275 PsppireDataStore *store ;
276 g_return_if_fail (data);
278 store = PSPPIRE_DATA_STORE (data);
280 g_sheet_model_range_changed (G_SHEET_MODEL (store),
287 A callback which occurs after a variable has been deleted.
290 delete_variable_callback (GObject *obj, gint dict_index,
291 gint case_index, gint val_cnt,
294 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
297 g_sheet_model_columns_deleted (G_SHEET_MODEL (store), dict_index, 1);
299 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
306 variable_changed_callback (GObject *obj, gint var_num, gpointer data)
308 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
311 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
315 g_sheet_model_range_changed (G_SHEET_MODEL (store),
322 insert_variable_callback (GObject *obj, gint var_num, gpointer data)
324 PsppireDataStore *store;
327 g_return_if_fail (data);
329 store = PSPPIRE_DATA_STORE (data);
333 struct variable *variable =
334 psppire_dict_get_variable (store->dict, var_num);
336 g_assert (variable != NULL);
338 posn = var_get_case_index (variable);
345 psppire_case_file_insert_values (store->case_file, 1, posn);
348 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
352 g_sheet_model_columns_inserted (G_SHEET_MODEL (store), var_num, 1);
357 dict_size_change_callback (GObject *obj,
358 gint posn, gint adjustment, gpointer data)
360 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
362 const struct variable *v = psppire_dict_get_variable (store->dict, posn);
364 const gint new_val_width = value_cnt_from_width (var_get_width (v));
366 if ( adjustment > 0 )
367 psppire_case_file_insert_values (store->case_file, adjustment,
368 new_val_width - adjustment +
369 var_get_case_index(v));
375 * psppire_data_store_new:
376 * @dict: The dictionary for this data_store.
379 * Return value: a new #PsppireDataStore
382 psppire_data_store_new (PsppireDict *dict)
384 PsppireDataStore *retval;
386 retval = g_object_new (GTK_TYPE_DATA_STORE, NULL);
388 psppire_data_store_set_dictionary (retval, dict);
395 psppire_data_store_set_case_file (PsppireDataStore *ds,
399 if ( ds->case_file) g_object_unref (ds->case_file);
402 g_sheet_model_range_changed (G_SHEET_MODEL (ds),
405 for (i = 0 ; i < n_cf_signals ; ++i )
407 if ( ds->cf_handler_id [i] > 0 )
408 g_signal_handler_disconnect (ds->case_file,
409 ds->cf_handler_id[i]);
414 for (i = 0 ; i < n_dict_signals; ++i )
416 if ( ds->dict_handler_id [i] > 0)
418 g_signal_handler_unblock (ds->dict,
419 ds->dict_handler_id[i]);
423 ds->cf_handler_id [CASES_DELETED] =
424 g_signal_connect (ds->case_file, "cases-deleted",
425 G_CALLBACK (delete_cases_callback),
428 ds->cf_handler_id [CASE_INSERTED] =
429 g_signal_connect (ds->case_file, "case-inserted",
430 G_CALLBACK (insert_case_callback),
433 ds->cf_handler_id [CASE_CHANGED] =
434 g_signal_connect (ds->case_file, "case-changed",
435 G_CALLBACK (changed_case_callback),
438 g_signal_emit (ds, signals[BACKEND_CHANGED], 0);
443 * psppire_data_store_replace_set_dictionary:
444 * @data_store: The variable store
445 * @dict: The dictionary to set
447 * If a dictionary is already associated with the data-store, then it will be
451 psppire_data_store_set_dictionary (PsppireDataStore *data_store, PsppireDict *dict)
455 /* Disconnect any existing handlers */
456 if ( data_store->dict )
457 for (i = 0 ; i < n_dict_signals; ++i )
459 g_signal_handler_disconnect (data_store->dict,
460 data_store->dict_handler_id[i]);
463 data_store->dict = dict;
468 data_store->dict_handler_id [VARIABLE_INSERTED] =
469 g_signal_connect (dict, "variable-inserted",
470 G_CALLBACK (insert_variable_callback),
473 data_store->dict_handler_id [VARIABLE_DELETED] =
474 g_signal_connect (dict, "variable-deleted",
475 G_CALLBACK (delete_variable_callback),
478 data_store->dict_handler_id [VARIABLE_CHANGED] =
479 g_signal_connect (dict, "variable-changed",
480 G_CALLBACK (variable_changed_callback),
483 data_store->dict_handler_id [SIZE_CHANGED] =
484 g_signal_connect (dict, "dict-size-changed",
485 G_CALLBACK (dict_size_change_callback),
491 /* The entire model has changed */
492 g_sheet_model_range_changed (G_SHEET_MODEL (data_store), -1, -1, -1, -1);
495 g_sheet_column_columns_changed (G_SHEET_COLUMN (data_store), 0, -1);
498 if ( data_store->dict )
499 for (i = 0 ; i < n_dict_signals; ++i )
501 if ( data_store->dict_handler_id [i] > 0)
503 g_signal_handler_block (data_store->dict,
504 data_store->dict_handler_id[i]);
510 psppire_data_store_finalize (GObject *object)
514 (* parent_class->finalize) (object);
519 psppire_data_store_dispose (GObject *object)
521 PsppireDataStore *ds = PSPPIRE_DATA_STORE (object);
523 if (ds->dispose_has_run)
526 if (ds->case_file) g_object_unref (ds->case_file);
529 (* parent_class->dispose) (object);
531 ds->dispose_has_run = TRUE;
536 psppire_data_store_delete_cases (PsppireDataStore *ds,
537 casenumber first, casenumber count)
539 g_return_val_if_fail (ds, FALSE);
541 return psppire_case_file_delete_cases (ds->case_file, count, first);
546 /* Insert a blank case before POSN */
548 psppire_data_store_insert_new_case (PsppireDataStore *ds, casenumber posn)
553 g_return_val_if_fail (ds, FALSE);
555 val_cnt = datasheet_get_column_cnt (ds->case_file->datasheet) ;
557 g_return_val_if_fail (val_cnt > 0, FALSE);
559 g_return_val_if_fail (posn <= psppire_data_store_get_case_count (ds), FALSE);
561 case_create (&cc, val_cnt);
563 memset ( case_data_rw_idx (&cc, 0), 0, val_cnt * MAX_SHORT_STRING);
565 for (v = 0 ; v < psppire_dict_get_var_cnt (ds->dict) ; ++v)
567 const struct variable *pv = psppire_dict_get_variable (ds->dict, v);
568 if ( var_is_alpha (pv))
571 case_data_rw (&cc, pv)->f = SYSMIS;
574 result = psppire_case_file_insert_case (ds->case_file, &cc, posn);
583 psppire_data_store_get_string (PsppireDataStore *store, glong row, glong column)
587 const struct fmt_spec *fp ;
588 const struct variable *pv ;
592 g_return_val_if_fail (store->dict, NULL);
593 g_return_val_if_fail (store->case_file, NULL);
595 if (column >= psppire_dict_get_var_cnt (store->dict))
598 if ( row >= psppire_case_file_get_case_count (store->case_file))
601 pv = psppire_dict_get_variable (store->dict, column);
605 idx = var_get_case_index (pv);
609 v = psppire_case_file_get_value (store->case_file, row, idx, NULL,
612 g_return_val_if_fail (v, NULL);
614 if ( store->show_labels)
616 const gchar *label = var_lookup_value_label (pv, v);
620 return pspp_locale_to_utf8 (label, -1, 0);
624 fp = var_get_write_format (pv);
626 s = g_string_sized_new (fp->w + 1);
627 g_string_set_size (s, fp->w);
629 memset (s->str, 0, fp->w);
631 g_assert (fp->w == s->len);
633 /* Converts binary value V into printable form in the exactly
634 FP->W character in buffer S according to format specification
635 FP. No null terminator is appended to the buffer. */
636 data_out (v, fp, s->str);
638 text = pspp_locale_to_utf8 (s->str, fp->w, 0);
639 g_string_free (s, TRUE);
649 psppire_data_store_clear_datum (GSheetModel *model,
650 glong row, glong col)
652 PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
655 const struct variable *pv = psppire_dict_get_variable (store->dict, col);
657 const gint index = var_get_case_index (pv) ;
659 if ( var_is_numeric (pv))
662 memcpy (v.s, "", MAX_SHORT_STRING);
664 psppire_case_file_set_value (store->case_file, row, index, &v,
671 /* Attempts to update that part of the variable store which corresponds
672 to ROW, COL with the value TEXT.
673 Returns true if anything was updated, false otherwise.
676 psppire_data_store_set_string (PsppireDataStore *store,
677 const gchar *text, glong row, glong col)
680 const struct variable *pv = psppire_dict_get_variable (store->dict, col);
681 g_return_val_if_fail (pv, FALSE);
683 n_cases = psppire_data_store_get_case_count (store);
689 psppire_data_store_insert_new_case (store, row);
691 psppire_case_file_data_in (store->case_file, row,
692 var_get_case_index (pv), ss_cstr (text),
693 var_get_write_format (pv));
700 psppire_data_store_set_font (PsppireDataStore *store,
701 const PangoFontDescription *fd)
703 g_return_if_fail (store);
704 g_return_if_fail (PSPPIRE_IS_DATA_STORE (store));
706 store->font_desc = fd;
708 store->width_of_m = calc_m_width (fd);
710 g_signal_emit (store, signals [FONT_CHANGED], 0);
713 g_sheet_model_range_changed (G_SHEET_MODEL (store),
719 psppire_data_store_show_labels (PsppireDataStore *store, gboolean show_labels)
721 g_return_if_fail (store);
722 g_return_if_fail (PSPPIRE_IS_DATA_STORE (store));
724 store->show_labels = show_labels;
726 g_sheet_model_range_changed (G_SHEET_MODEL (store),
732 psppire_data_store_clear (PsppireDataStore *data_store)
734 psppire_case_file_clear (data_store->case_file);
736 psppire_dict_clear (data_store->dict);
741 /* Return a casereader made from this datastore */
743 psppire_data_store_get_reader (PsppireDataStore *ds)
746 struct casereader *reader ;
748 for (i = 0 ; i < n_cf_signals ; ++i )
750 g_signal_handler_disconnect (ds->case_file, ds->cf_handler_id[i]);
751 ds->cf_handler_id[i] = 0 ;
755 for (i = 0 ; i < n_dict_signals; ++i )
757 g_signal_handler_block (ds->dict,
758 ds->dict_handler_id[i]);
761 reader = psppire_case_file_make_reader (ds->case_file);
768 /* Column related funcs */
771 static const gchar null_var_name[]=N_("var");
775 /* Row related funcs */
778 get_row_button_label (const GSheetModel *model, gint unit)
782 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
784 s = g_strdup_printf (_("%d"), unit + 1);
786 text = pspp_locale_to_utf8 (s, -1, 0);
795 get_row_sensitivity (const GSheetModel *model, gint unit)
797 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
799 return (unit < psppire_case_file_get_case_count (ds->case_file));
805 /* Column related stuff */
808 get_column_subtitle (const GSheetModel *model, gint col)
811 const struct variable *v ;
812 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
814 if ( col >= psppire_dict_get_var_cnt (ds->dict) )
817 v = psppire_dict_get_variable (ds->dict, col);
819 if ( ! var_has_label (v))
822 text = pspp_locale_to_utf8 (var_get_label (v), -1, 0);
828 get_column_button_label (const GSheetModel *model, gint col)
831 struct variable *pv ;
832 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
834 if ( col >= psppire_dict_get_var_cnt (ds->dict) )
835 return g_locale_to_utf8 (null_var_name, -1, 0, 0, 0);
837 pv = psppire_dict_get_variable (ds->dict, col);
839 text = pspp_locale_to_utf8 (var_get_name (pv), -1, 0);
845 get_column_sensitivity (const GSheetModel *model, gint col)
847 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
849 return (col < psppire_dict_get_var_cnt (ds->dict));
854 static GtkJustification
855 get_column_justification (const GSheetModel *model, gint col)
857 PsppireDataStore *ds = PSPPIRE_DATA_STORE (model);
858 const struct variable *pv ;
860 if ( col >= psppire_dict_get_var_cnt (ds->dict) )
861 return GTK_JUSTIFY_LEFT;
863 pv = psppire_dict_get_variable (ds->dict, col);
865 return (var_get_alignment (pv) == ALIGN_LEFT ? GTK_JUSTIFY_LEFT
866 : var_get_alignment (pv) == ALIGN_RIGHT ? GTK_JUSTIFY_RIGHT
867 : GTK_JUSTIFY_CENTER);