1 /* PSPPIRE - a graphical user interface for PSPP.
2 Copyright (C) 2006 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>
29 #include <gtksheet/gsheet-column-iface.h>
30 #include <gtksheet/gsheet-row-iface.h>
32 #include <pango/pango-context.h>
34 #include "psppire-data-store.h"
35 #include "psppire-case-file.h"
38 #include <data/dictionary.h>
39 #include <data/missing-values.h>
40 #include <data/value-labels.h>
41 #include <data/data-in.h>
42 #include <data/format.h>
45 static void psppire_data_store_init (PsppireDataStore *data_store);
46 static void psppire_data_store_class_init (PsppireDataStoreClass *class);
47 static void psppire_data_store_sheet_model_init (GSheetModelIface *iface);
48 static void psppire_data_store_sheet_column_init (GSheetColumnIface *iface);
49 static void psppire_data_store_sheet_row_init (GSheetRowIface *iface);
51 static void psppire_data_store_finalize (GObject *object);
52 static void psppire_data_store_dispose (GObject *object);
54 static gboolean psppire_data_store_clear_datum (GSheetModel *model,
55 glong row, glong column);
58 #define MIN_COLUMNS 10
59 #define TRAILING_ROWS 10
61 static GObjectClass *parent_class = NULL;
67 static guint signals [n_SIGNALS];
71 psppire_data_store_get_type (void)
73 static GType data_store_type = 0;
77 static const GTypeInfo data_store_info =
79 sizeof (PsppireDataStoreClass),
81 NULL, /* base_finalize */
82 (GClassInitFunc) psppire_data_store_class_init,
83 NULL, /* class_finalize */
84 NULL, /* class_data */
85 sizeof (PsppireDataStore),
87 (GInstanceInitFunc) psppire_data_store_init,
90 static const GInterfaceInfo sheet_model_info =
92 (GInterfaceInitFunc) psppire_data_store_sheet_model_init,
97 static const GInterfaceInfo sheet_column_info =
99 (GInterfaceInitFunc) psppire_data_store_sheet_column_init,
104 static const GInterfaceInfo sheet_row_info =
106 (GInterfaceInitFunc) psppire_data_store_sheet_row_init,
112 data_store_type = g_type_register_static (G_TYPE_OBJECT, "PsppireDataStore",
113 &data_store_info, 0);
115 g_type_add_interface_static (data_store_type,
119 g_type_add_interface_static (data_store_type,
123 g_type_add_interface_static (data_store_type,
128 return data_store_type;
133 psppire_data_store_class_init (PsppireDataStoreClass *class)
135 GObjectClass *object_class;
137 parent_class = g_type_class_peek_parent (class);
138 object_class = (GObjectClass*) class;
140 object_class->finalize = psppire_data_store_finalize;
141 object_class->dispose = psppire_data_store_dispose;
143 signals [FONT_CHANGED] =
144 g_signal_new ("font_changed",
145 G_TYPE_FROM_CLASS (class),
149 g_cclosure_marshal_VOID__VOID,
157 psppire_data_store_get_var_count (const GSheetModel *model)
159 const PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
161 return psppire_dict_get_var_cnt (store->dict);
165 psppire_data_store_get_case_count (const PsppireDataStore *store)
167 return psppire_case_file_get_case_count (store->case_file);
171 psppire_data_store_get_value_count (const PsppireDataStore *store)
173 return psppire_dict_get_value_cnt (store->dict);
177 psppire_data_store_get_case_count_wrapper (const GSheetModel *model)
179 const PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
180 return psppire_data_store_get_case_count (store);
184 psppire_data_store_init (PsppireDataStore *data_store)
186 data_store->dict = 0;
187 data_store->case_file = NULL;
188 data_store->width_of_m = 10;
189 data_store->dispose_has_run = FALSE;
192 const PangoFontDescription *
193 psppire_data_store_get_font_desc (const GSheetModel *model,
194 glong row, glong column)
196 PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
198 return store->font_desc;
201 static inline gchar *
202 psppire_data_store_get_string_wrapper (const GSheetModel *model, glong row,
205 return psppire_data_store_get_string (PSPPIRE_DATA_STORE (model), row, column);
209 static inline gboolean
210 psppire_data_store_set_string_wrapper (GSheetModel *model,
212 glong row, glong column)
214 return psppire_data_store_set_string (PSPPIRE_DATA_STORE (model), text,
222 psppire_data_store_sheet_model_init (GSheetModelIface *iface)
224 iface->free_strings = TRUE;
225 iface->get_string = psppire_data_store_get_string_wrapper;
226 iface->set_string = psppire_data_store_set_string_wrapper;
227 iface->clear_datum = psppire_data_store_clear_datum;
228 iface->is_editable = NULL;
229 iface->is_visible = NULL;
230 iface->get_foreground = NULL;
231 iface->get_background = NULL;
232 iface->get_font_desc = psppire_data_store_get_font_desc;
233 iface->get_cell_border = NULL;
234 iface->get_column_count = psppire_data_store_get_var_count;
235 iface->get_row_count = psppire_data_store_get_case_count_wrapper;
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 ;
259 g_return_if_fail (data);
261 store = PSPPIRE_DATA_STORE (data);
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);
296 g_sheet_model_columns_deleted (G_SHEET_MODEL (store), dict_index, 1);
298 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
304 variable_changed_callback (GObject *obj, gint var_num, gpointer data)
306 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
308 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
312 g_sheet_model_range_changed (G_SHEET_MODEL (store),
318 insert_variable_callback (GObject *obj, gint var_num, gpointer data)
320 PsppireDataStore *store;
323 g_return_if_fail (data);
325 store = PSPPIRE_DATA_STORE (data);
329 struct variable *variable =
330 psppire_dict_get_variable (store->dict, var_num);
332 g_assert (variable != NULL);
334 posn = var_get_case_index (variable);
341 psppire_case_file_insert_values (store->case_file, 1, posn);
343 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
346 g_sheet_model_columns_inserted (G_SHEET_MODEL (store), var_num, 1);
351 dict_size_change_callback (GObject *obj,
352 gint posn, gint adjustment, gpointer data)
354 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
356 const struct variable *v = psppire_dict_get_variable (store->dict, posn);
358 const gint new_val_width = value_cnt_from_width (var_get_width (v));
360 if ( adjustment > 0 )
361 psppire_case_file_insert_values (store->case_file, adjustment,
362 new_val_width - adjustment +
363 var_get_case_index(v));
369 * psppire_data_store_new:
370 * @dict: The dictionary for this data_store.
373 * Return value: a new #PsppireDataStore
376 psppire_data_store_new (PsppireDict *dict)
378 PsppireDataStore *retval;
380 retval = g_object_new (GTK_TYPE_DATA_STORE, NULL);
382 psppire_data_store_set_dictionary (retval, dict);
389 psppire_data_store_set_case_file (PsppireDataStore *ds,
393 if ( ds->case_file) g_object_unref (ds->case_file);
398 g_sheet_model_range_changed (G_SHEET_MODEL (ds),
401 for (i = 0 ; i < n_cf_signals ; ++i )
403 if ( ds->cf_handler_id [i] > 0 )
404 g_signal_handler_disconnect (ds->case_file,
405 ds->cf_handler_id[i]);
410 for (i = 0 ; i < n_dict_signals; ++i )
412 if ( ds->dict_handler_id [i] > 0)
414 g_signal_handler_unblock (ds->dict,
415 ds->dict_handler_id[i]);
419 ds->cf_handler_id [CASES_DELETED] =
420 g_signal_connect (ds->case_file, "cases-deleted",
421 G_CALLBACK (delete_cases_callback),
424 ds->cf_handler_id [CASE_INSERTED] =
425 g_signal_connect (ds->case_file, "case-inserted",
426 G_CALLBACK (insert_case_callback),
429 ds->cf_handler_id [CASE_CHANGED] =
430 g_signal_connect (ds->case_file, "case-changed",
431 G_CALLBACK (changed_case_callback),
437 * psppire_data_store_replace_set_dictionary:
438 * @data_store: The variable store
439 * @dict: The dictionary to set
441 * If a dictionary is already associated with the data-store, then it will be
445 psppire_data_store_set_dictionary (PsppireDataStore *data_store, PsppireDict *dict)
449 /* Disconnect any existing handlers */
450 if ( data_store->dict )
451 for (i = 0 ; i < n_dict_signals; ++i )
453 g_signal_handler_disconnect (data_store->dict,
454 data_store->dict_handler_id[i]);
457 data_store->dict = dict;
462 data_store->dict_handler_id [VARIABLE_INSERTED] =
463 g_signal_connect (dict, "variable-inserted",
464 G_CALLBACK (insert_variable_callback),
467 data_store->dict_handler_id [VARIABLE_DELETED] =
468 g_signal_connect (dict, "variable-deleted",
469 G_CALLBACK (delete_variable_callback),
472 data_store->dict_handler_id [VARIABLE_CHANGED] =
473 g_signal_connect (dict, "variable-changed",
474 G_CALLBACK (variable_changed_callback),
477 data_store->dict_handler_id [SIZE_CHANGED] =
478 g_signal_connect (dict, "dict-size-changed",
479 G_CALLBACK (dict_size_change_callback),
485 /* The entire model has changed */
486 g_sheet_model_range_changed (G_SHEET_MODEL (data_store), -1, -1, -1, -1);
488 g_sheet_column_columns_changed (G_SHEET_COLUMN (data_store), 0, -1);
491 if ( data_store->dict )
492 for (i = 0 ; i < n_dict_signals; ++i )
494 if ( data_store->dict_handler_id [i] > 0)
496 g_signal_handler_block (data_store->dict,
497 data_store->dict_handler_id[i]);
503 psppire_data_store_finalize (GObject *object)
507 (* parent_class->finalize) (object);
512 psppire_data_store_dispose (GObject *object)
514 PsppireDataStore *ds = PSPPIRE_DATA_STORE (object);
516 if (ds->dispose_has_run)
519 if (ds->case_file) g_object_unref (ds->case_file);
522 (* parent_class->dispose) (object);
524 ds->dispose_has_run = TRUE;
529 psppire_data_store_delete_cases (PsppireDataStore *ds,
530 casenumber first, casenumber count)
532 g_return_val_if_fail (ds, FALSE);
534 return psppire_case_file_delete_cases (ds->case_file, count, first);
539 /* Insert a blank case before POSN */
541 psppire_data_store_insert_new_case (PsppireDataStore *ds, casenumber posn)
546 g_return_val_if_fail (ds, FALSE);
548 val_cnt = datasheet_get_column_cnt (ds->case_file->datasheet) ;
550 g_return_val_if_fail (val_cnt > 0, FALSE);
552 g_return_val_if_fail (posn <= psppire_data_store_get_case_count (ds), FALSE);
554 case_create (&cc, val_cnt);
556 memset ( case_data_rw_idx (&cc, 0), 0, val_cnt * MAX_SHORT_STRING);
558 for (v = 0 ; v < psppire_dict_get_var_cnt (ds->dict) ; ++v)
560 const struct variable *pv = psppire_dict_get_variable (ds->dict, v);
561 if ( var_is_alpha (pv))
564 case_data_rw (&cc, pv)->f = SYSMIS;
567 result = psppire_case_file_insert_case (ds->case_file, &cc, posn);
576 psppire_data_store_get_string (PsppireDataStore *store, glong row, glong column)
580 const struct fmt_spec *fp ;
581 const struct variable *pv ;
585 g_return_val_if_fail (store->dict, NULL);
586 g_return_val_if_fail (store->case_file, NULL);
588 if (column >= psppire_dict_get_var_cnt (store->dict))
591 if ( row >= psppire_case_file_get_case_count (store->case_file))
594 pv = psppire_dict_get_variable (store->dict, column);
598 idx = var_get_case_index (pv);
602 v = psppire_case_file_get_value (store->case_file, row, idx, NULL,
605 g_return_val_if_fail (v, NULL);
607 if ( store->show_labels)
609 const gchar *label = var_lookup_value_label (pv, v);
613 return pspp_locale_to_utf8 (label, -1, 0);
617 fp = var_get_write_format (pv);
619 s = g_string_sized_new (fp->w + 1);
620 g_string_set_size (s, fp->w);
622 memset (s->str, 0, fp->w);
624 g_assert (fp->w == s->len);
626 /* Converts binary value V into printable form in the exactly
627 FP->W character in buffer S according to format specification
628 FP. No null terminator is appended to the buffer. */
629 data_out (v, fp, s->str);
631 text = pspp_locale_to_utf8 (s->str, fp->w, 0);
632 g_string_free (s, TRUE);
642 psppire_data_store_clear_datum (GSheetModel *model,
643 glong row, glong col)
645 PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
648 const struct variable *pv = psppire_dict_get_variable (store->dict, col);
650 const gint index = var_get_case_index (pv) ;
652 if ( var_is_numeric (pv))
655 memcpy (v.s, "", MAX_SHORT_STRING);
657 psppire_case_file_set_value (store->case_file, row, index, &v,
664 /* Attempts to update that part of the variable store which corresponds
665 to ROW, COL with the value TEXT.
666 Returns true if anything was updated, false otherwise.
669 psppire_data_store_set_string (PsppireDataStore *store,
670 const gchar *text, glong row, glong col)
673 const struct variable *pv = psppire_dict_get_variable (store->dict, col);
674 g_return_val_if_fail (pv, FALSE);
676 n_cases = psppire_data_store_get_case_count (store);
682 psppire_data_store_insert_new_case (store, row);
684 psppire_case_file_data_in (store->case_file, row,
685 var_get_case_index (pv), ss_cstr (text),
686 var_get_write_format (pv));
693 psppire_data_store_set_font (PsppireDataStore *store,
694 const PangoFontDescription *fd)
696 g_return_if_fail (store);
697 g_return_if_fail (PSPPIRE_IS_DATA_STORE (store));
699 store->font_desc = fd;
701 store->width_of_m = calc_m_width (fd);
703 g_signal_emit (store, signals [FONT_CHANGED], 0);
706 g_sheet_model_range_changed (G_SHEET_MODEL (store),
712 psppire_data_store_show_labels (PsppireDataStore *store, gboolean show_labels)
714 g_return_if_fail (store);
715 g_return_if_fail (PSPPIRE_IS_DATA_STORE (store));
717 store->show_labels = show_labels;
719 g_sheet_model_range_changed (G_SHEET_MODEL (store),
725 psppire_data_store_clear (PsppireDataStore *data_store)
727 psppire_case_file_clear (data_store->case_file);
729 psppire_dict_clear (data_store->dict);
734 /* Return a casereader made from this datastore */
736 psppire_data_store_get_reader (PsppireDataStore *ds)
739 struct casereader *reader ;
741 for (i = 0 ; i < n_cf_signals ; ++i )
743 g_signal_handler_disconnect (ds->case_file, ds->cf_handler_id[i]);
744 ds->cf_handler_id[i] = 0 ;
748 for (i = 0 ; i < n_dict_signals; ++i )
750 g_signal_handler_block (ds->dict,
751 ds->dict_handler_id[i]);
754 reader = psppire_case_file_make_reader (ds->case_file);
761 /* Column related funcs */
764 geometry_get_column_count (const GSheetColumn *geom)
766 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
768 return MAX (MIN_COLUMNS, psppire_dict_get_var_cnt (ds->dict));
774 geometry_get_width (const GSheetColumn *geom, glong unit)
776 const struct variable *pv ;
777 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
779 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
780 return ds->width_of_m * 8 ;
782 pv = psppire_dict_get_variable (ds->dict, unit);
785 return ds->width_of_m * 8 ;
787 return ds->width_of_m * var_get_display_width (pv);
791 geometry_set_width (GSheetColumn *geom, glong unit, gint width)
793 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
795 struct variable *v = psppire_dict_get_variable (ds->dict, unit);
797 g_return_if_fail (v);
799 var_set_display_width (v, width / ds->width_of_m );
804 static GtkJustification
805 geometry_get_justification (const GSheetColumn *geom, glong unit)
807 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
808 const struct variable *pv ;
811 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
812 return GTK_JUSTIFY_LEFT;
814 pv = psppire_dict_get_variable (ds->dict, unit);
816 return (var_get_alignment (pv) == ALIGN_LEFT ? GTK_JUSTIFY_LEFT
817 : var_get_alignment (pv) == ALIGN_RIGHT ? GTK_JUSTIFY_RIGHT
818 : GTK_JUSTIFY_CENTER);
822 static const gchar null_var_name[]=N_("var");
825 geometry_get_column_button_label (const GSheetColumn *geom, glong unit)
828 struct variable *pv ;
829 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
831 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
832 return g_locale_to_utf8 (null_var_name, -1, 0, 0, 0);
834 pv = psppire_dict_get_variable (ds->dict, unit);
836 text = pspp_locale_to_utf8 (var_get_name (pv), -1, 0);
843 geometry_get_column_subtitle (const GSheetColumn *geom, glong unit)
846 const struct variable *v ;
847 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
849 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
852 v = psppire_dict_get_variable (ds->dict, unit);
854 if ( ! var_has_label (v))
857 text = pspp_locale_to_utf8 (var_get_label (v), -1, 0);
864 geometry_get_sensitivity (const GSheetColumn *geom, glong unit)
866 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
868 return (unit < psppire_dict_get_var_cnt (ds->dict));
873 psppire_data_store_sheet_column_init (GSheetColumnIface *iface)
875 iface->get_column_count = geometry_get_column_count;
876 iface->get_width = geometry_get_width;
877 iface->set_width = geometry_set_width;
878 iface->get_sensitivity = geometry_get_sensitivity;
879 iface->get_justification = geometry_get_justification;
880 iface->get_button_label = geometry_get_column_button_label;
881 iface->get_subtitle = geometry_get_column_subtitle;
885 /* Row related funcs */
888 geometry_get_row_count (const GSheetRow *geom)
890 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
892 return TRAILING_ROWS + psppire_case_file_get_case_count (ds->case_file);
895 #define ROW_HEIGHT 25
898 geometry_get_height (const GSheetRow *geom, glong unit)
904 geometry_get_top_ypixel (const GSheetRow *geo, glong row)
906 return row * ROW_HEIGHT;
910 geometry_pixel_to_row (const GSheetRow *geo, guint pixel)
912 glong row = pixel / ROW_HEIGHT;
914 if (row >= geometry_get_row_count (geo))
915 row = geometry_get_row_count (geo) - 1;
922 geometry_get_row_sensitivity (const GSheetRow *geom, glong unit)
924 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
927 return (unit < psppire_case_file_get_case_count (ds->case_file));
931 geometry_get_row_button_label (const GSheetRow *geom, glong unit)
935 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
938 TRAILING_ROWS + psppire_case_file_get_case_count (ds->case_file))
941 s = g_strdup_printf (_("%ld"), unit + FIRST_CASE_NUMBER);
943 text = pspp_locale_to_utf8 (s, -1, 0);
951 psppire_data_store_sheet_row_init (GSheetRowIface *iface)
953 iface->get_row_count = geometry_get_row_count;
955 iface->get_height = geometry_get_height;
956 iface->set_height = 0;
957 iface->get_sensitivity = geometry_get_row_sensitivity;
958 iface->top_ypixel = geometry_get_top_ypixel;
959 iface->pixel_to_row = geometry_pixel_to_row;
960 iface->get_button_label = geometry_get_row_button_label;