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/gtksheet.h>
29 #include <gtksheet/gsheetmodel.h>
30 #include <gtksheet/gsheet-column-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>
44 static void psppire_data_store_init (PsppireDataStore *data_store);
45 static void psppire_data_store_class_init (PsppireDataStoreClass *class);
46 static void psppire_data_store_sheet_model_init (GSheetModelIface *iface);
47 static void psppire_data_store_sheet_column_init (GSheetColumnIface *iface);
48 static void psppire_data_store_sheet_row_init (GSheetRowIface *iface);
50 static void psppire_data_store_finalize (GObject *object);
52 static gboolean psppire_data_store_clear_datum (GSheetModel *model,
53 glong row, glong column);
56 #define MIN_COLUMNS 10
58 #define TRAILING_ROWS 10
60 static GObjectClass *parent_class = NULL;
66 static guint signals [n_SIGNALS];
70 psppire_data_store_get_type (void)
72 static GType data_store_type = 0;
76 static const GTypeInfo data_store_info =
78 sizeof (PsppireDataStoreClass),
80 NULL, /* base_finalize */
81 (GClassInitFunc) psppire_data_store_class_init,
82 NULL, /* class_finalize */
83 NULL, /* class_data */
84 sizeof (PsppireDataStore),
86 (GInstanceInitFunc) psppire_data_store_init,
89 static const GInterfaceInfo sheet_model_info =
91 (GInterfaceInitFunc) psppire_data_store_sheet_model_init,
96 static const GInterfaceInfo sheet_column_info =
98 (GInterfaceInitFunc) psppire_data_store_sheet_column_init,
103 static const GInterfaceInfo sheet_row_info =
105 (GInterfaceInitFunc) psppire_data_store_sheet_row_init,
111 data_store_type = g_type_register_static (G_TYPE_OBJECT, "PsppireDataStore",
112 &data_store_info, 0);
114 g_type_add_interface_static (data_store_type,
118 g_type_add_interface_static (data_store_type,
122 g_type_add_interface_static (data_store_type,
127 return data_store_type;
132 psppire_data_store_class_init (PsppireDataStoreClass *class)
134 GObjectClass *object_class;
136 parent_class = g_type_class_peek_parent (class);
137 object_class = (GObjectClass*) class;
139 object_class->finalize = psppire_data_store_finalize;
141 signals [FONT_CHANGED] =
142 g_signal_new ("font_changed",
143 G_TYPE_FROM_CLASS (class),
147 g_cclosure_marshal_VOID__VOID,
155 psppire_data_store_get_var_count (const GSheetModel *model)
157 const PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
159 return psppire_dict_get_var_cnt (store->dict);
163 psppire_data_store_get_case_count (const PsppireDataStore *store)
165 return psppire_case_file_get_case_count (store->case_file);
169 psppire_data_store_get_value_count (const PsppireDataStore *store)
171 return psppire_dict_get_value_cnt (store->dict);
175 psppire_data_store_get_case_count_wrapper (const GSheetModel *model)
177 const PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
178 return psppire_data_store_get_case_count (store);
182 psppire_data_store_init (PsppireDataStore *data_store)
184 data_store->dict = 0;
185 data_store->case_file = 0;
186 data_store->width_of_m = 10;
191 const PangoFontDescription *
192 psppire_data_store_get_font_desc (const GSheetModel *model,
193 glong row, glong column)
195 PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
197 return store->font_desc;
200 static inline gchar *
201 psppire_data_store_get_string_wrapper (const GSheetModel *model, glong row,
204 return psppire_data_store_get_string (PSPPIRE_DATA_STORE (model), row, column);
208 static inline gboolean
209 psppire_data_store_set_string_wrapper (GSheetModel *model,
211 glong row, glong column)
213 return psppire_data_store_set_string (PSPPIRE_DATA_STORE (model), text,
221 psppire_data_store_sheet_model_init (GSheetModelIface *iface)
223 iface->free_strings = TRUE;
224 iface->get_string = psppire_data_store_get_string_wrapper;
225 iface->set_string = psppire_data_store_set_string_wrapper;
226 iface->clear_datum = psppire_data_store_clear_datum;
227 iface->is_editable = NULL;
228 iface->is_visible = NULL;
229 iface->get_foreground = NULL;
230 iface->get_background = NULL;
231 iface->get_font_desc = psppire_data_store_get_font_desc;
232 iface->get_cell_border = NULL;
233 iface->get_column_count = psppire_data_store_get_var_count;
234 iface->get_row_count = psppire_data_store_get_case_count_wrapper;
238 gboolean always_true ()
245 delete_cases_callback (GtkWidget *w,
246 casenumber first, casenumber n_cases, gpointer data)
248 PsppireDataStore *store ;
250 g_return_if_fail (data);
252 store = PSPPIRE_DATA_STORE (data);
254 g_assert (first >= 0);
256 g_sheet_model_rows_deleted (G_SHEET_MODEL (store), first, n_cases);
261 insert_case_callback (GtkWidget *w, casenumber casenum, gpointer data)
263 PsppireDataStore *store ;
265 g_return_if_fail (data);
267 store = PSPPIRE_DATA_STORE (data);
269 g_sheet_model_range_changed (G_SHEET_MODEL (store),
271 psppire_case_file_get_case_count (store->case_file),
274 g_sheet_model_rows_inserted (G_SHEET_MODEL (store), casenum, 1);
279 changed_case_callback (GtkWidget *w, gint casenum, gpointer data)
281 PsppireDataStore *store ;
282 g_return_if_fail (data);
284 store = PSPPIRE_DATA_STORE (data);
286 g_sheet_model_range_changed (G_SHEET_MODEL (store),
293 A callback which occurs after a variable has been deleted.
296 delete_variable_callback (GObject *obj, gint dict_index,
297 gint case_index, gint val_cnt,
300 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
302 g_sheet_model_columns_deleted (G_SHEET_MODEL (store), dict_index, 1);
304 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
310 variable_changed_callback (GObject *obj, gint var_num, gpointer data)
312 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
314 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
318 g_sheet_model_range_changed (G_SHEET_MODEL (store),
324 insert_variable_callback (GObject *obj, gint var_num, gpointer data)
326 PsppireDataStore *store;
329 g_return_if_fail (data);
331 store = PSPPIRE_DATA_STORE (data);
335 struct variable *variable =
336 psppire_dict_get_variable (store->dict, var_num);
338 g_assert (variable != NULL);
340 posn = var_get_case_index (variable);
347 psppire_case_file_insert_values (store->case_file, 1, posn);
349 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,
401 g_object_unref (ds->case_file);
406 g_sheet_model_range_changed (G_SHEET_MODEL (ds),
409 for (i = 0 ; i < n_cf_signals ; ++i )
411 if ( ds->cf_handler_id [i] > 0 )
412 g_signal_handler_disconnect (ds->case_file,
413 ds->cf_handler_id[i]);
418 for (i = 0 ; i < n_dict_signals; ++i )
420 if ( ds->dict_handler_id [i] > 0)
422 g_signal_handler_unblock (ds->dict,
423 ds->dict_handler_id[i]);
427 ds->cf_handler_id [CASES_DELETED] =
428 g_signal_connect (ds->case_file, "cases-deleted",
429 G_CALLBACK (delete_cases_callback),
432 ds->cf_handler_id [CASE_INSERTED] =
433 g_signal_connect (ds->case_file, "case-inserted",
434 G_CALLBACK (insert_case_callback),
437 ds->cf_handler_id [CASE_CHANGED] =
438 g_signal_connect (ds->case_file, "case-changed",
439 G_CALLBACK (changed_case_callback),
445 * psppire_data_store_replace_set_dictionary:
446 * @data_store: The variable store
447 * @dict: The dictionary to set
449 * If a dictionary is already associated with the data-store, then it will be
453 psppire_data_store_set_dictionary (PsppireDataStore *data_store, PsppireDict *dict)
457 /* Disconnect any existing handlers */
458 if ( data_store->dict )
459 for (i = 0 ; i < n_dict_signals; ++i )
461 g_signal_handler_disconnect (data_store->dict,
462 data_store->dict_handler_id[i]);
465 data_store->dict = dict;
470 data_store->dict_handler_id [VARIABLE_INSERTED] =
471 g_signal_connect (dict, "variable-inserted",
472 G_CALLBACK (insert_variable_callback),
475 data_store->dict_handler_id [VARIABLE_DELETED] =
476 g_signal_connect (dict, "variable-deleted",
477 G_CALLBACK (delete_variable_callback),
480 data_store->dict_handler_id [VARIABLE_CHANGED] =
481 g_signal_connect (dict, "variable-changed",
482 G_CALLBACK (variable_changed_callback),
485 data_store->dict_handler_id [SIZE_CHANGED] =
486 g_signal_connect (dict, "dict-size-changed",
487 G_CALLBACK (dict_size_change_callback),
493 /* The entire model has changed */
494 g_sheet_model_range_changed (G_SHEET_MODEL (data_store), -1, -1, -1, -1);
496 g_sheet_column_columns_changed (G_SHEET_COLUMN (data_store), 0, -1);
499 if ( data_store->dict )
500 for (i = 0 ; i < n_dict_signals; ++i )
502 if ( data_store->dict_handler_id [i] > 0)
504 g_signal_handler_block (data_store->dict,
505 data_store->dict_handler_id[i]);
511 psppire_data_store_finalize (GObject *object)
515 (* parent_class->finalize) (object);
519 psppire_data_store_delete_cases (PsppireDataStore *ds,
520 casenumber first, casenumber count)
522 g_return_val_if_fail (ds, FALSE);
524 return psppire_case_file_delete_cases (ds->case_file, count, first);
529 /* Insert a blank case before POSN */
531 psppire_data_store_insert_new_case (PsppireDataStore *ds, casenumber posn)
536 g_return_val_if_fail (ds, FALSE);
538 val_cnt = datasheet_get_column_cnt (ds->case_file->datasheet) ;
540 g_return_val_if_fail (val_cnt > 0, FALSE);
542 g_return_val_if_fail (posn <= psppire_data_store_get_case_count (ds), FALSE);
544 case_create (&cc, val_cnt);
546 memset ( case_data_rw_idx (&cc, 0), 0, val_cnt * MAX_SHORT_STRING);
548 for (v = 0 ; v < psppire_dict_get_var_cnt (ds->dict) ; ++v)
550 const struct variable *pv = psppire_dict_get_variable (ds->dict, v);
551 if ( var_is_alpha (pv))
554 case_data_rw (&cc, pv)->f = SYSMIS;
557 result = psppire_case_file_insert_case (ds->case_file, &cc, posn);
566 psppire_data_store_get_string (PsppireDataStore *store, glong row, glong column)
570 const struct fmt_spec *fp ;
571 const struct variable *pv ;
575 g_return_val_if_fail (store->dict, NULL);
576 g_return_val_if_fail (store->case_file, NULL);
578 if (column >= psppire_dict_get_var_cnt (store->dict))
581 if ( row >= psppire_case_file_get_case_count (store->case_file))
584 pv = psppire_dict_get_variable (store->dict, column);
588 idx = var_get_case_index (pv);
592 v = psppire_case_file_get_value (store->case_file, row, idx, NULL,
595 g_return_val_if_fail (v, NULL);
597 if ( store->show_labels)
599 const gchar *label = var_lookup_value_label (pv, v);
603 return pspp_locale_to_utf8 (label, -1, 0);
607 fp = var_get_write_format (pv);
609 s = g_string_sized_new (fp->w + 1);
610 g_string_set_size (s, fp->w);
612 memset (s->str, 0, fp->w);
614 g_assert (fp->w == s->len);
616 /* Converts binary value V into printable form in the exactly
617 FP->W character in buffer S according to format specification
618 FP. No null terminator is appended to the buffer. */
619 data_out (v, fp, s->str);
621 text = pspp_locale_to_utf8 (s->str, fp->w, 0);
622 g_string_free (s, TRUE);
632 psppire_data_store_clear_datum (GSheetModel *model,
633 glong row, glong col)
635 PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
638 const struct variable *pv = psppire_dict_get_variable (store->dict, col);
640 const gint index = var_get_case_index (pv) ;
642 if ( var_is_numeric (pv))
645 memcpy (v.s, "", MAX_SHORT_STRING);
647 psppire_case_file_set_value (store->case_file, row, index, &v,
654 /* Attempts to update that part of the variable store which corresponds
655 to ROW, COL with the value TEXT.
656 Returns true if anything was updated, false otherwise.
659 psppire_data_store_set_string (PsppireDataStore *store,
660 const gchar *text, glong row, glong col)
662 const struct variable *pv = psppire_dict_get_variable (store->dict, col);
663 g_return_val_if_fail (pv, FALSE);
666 /* Allow the user to insert a lot of blank cases, simply by skipping rows */
667 for (r = psppire_case_file_get_case_count (store->case_file); r <= row ; ++r)
672 psppire_case_array_insert_case (store->cases, r, 0, 0);
675 for (c = 0 ; c < psppire_dict_get_var_cnt (store->dict); ++c )
676 psppire_data_store_clear_datum (model, r, c);
680 psppire_case_file_data_in (store->case_file, row,
681 var_get_case_index (pv), ss_cstr (text),
682 var_get_write_format (pv));
689 psppire_data_store_set_font (PsppireDataStore *store,
690 const PangoFontDescription *fd)
692 g_return_if_fail (store);
693 g_return_if_fail (PSPPIRE_IS_DATA_STORE (store));
695 store->font_desc = fd;
697 store->width_of_m = calc_m_width (fd);
699 g_signal_emit (store, signals [FONT_CHANGED], 0);
702 g_sheet_model_range_changed (G_SHEET_MODEL (store),
708 psppire_data_store_show_labels (PsppireDataStore *store, gboolean show_labels)
710 g_return_if_fail (store);
711 g_return_if_fail (PSPPIRE_IS_DATA_STORE (store));
713 store->show_labels = show_labels;
715 g_sheet_model_range_changed (G_SHEET_MODEL (store),
721 psppire_data_store_clear (PsppireDataStore *data_store)
723 psppire_case_file_clear (data_store->case_file);
725 psppire_dict_clear (data_store->dict);
730 /* Return a casereader made from this datastore */
732 psppire_data_store_get_reader (PsppireDataStore *ds)
735 struct casereader *reader ;
737 for (i = 0 ; i < n_cf_signals ; ++i )
739 g_signal_handler_disconnect (ds->case_file, ds->cf_handler_id[i]);
740 ds->cf_handler_id[i] = 0 ;
744 for (i = 0 ; i < n_dict_signals; ++i )
746 g_signal_handler_block (ds->dict,
747 ds->dict_handler_id[i]);
750 reader = psppire_case_file_make_reader (ds->case_file);
757 /* Column related funcs */
760 geometry_get_column_count (const GSheetColumn *geom)
762 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
764 return MAX (MIN_COLUMNS, psppire_dict_get_var_cnt (ds->dict));
770 geometry_get_width (const GSheetColumn *geom, glong unit)
772 const struct variable *pv ;
773 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
775 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
776 return ds->width_of_m * 8 ;
778 pv = psppire_dict_get_variable (ds->dict, unit);
781 return ds->width_of_m * 8 ;
783 return ds->width_of_m * var_get_display_width (pv);
787 geometry_set_width (GSheetColumn *geom, glong unit, gint width)
789 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
791 struct variable *pv = psppire_dict_get_variable (ds->dict, unit);
793 var_set_display_width (pv, width / ds->width_of_m );
798 static GtkJustification
799 geometry_get_justification (const GSheetColumn *geom, glong unit)
801 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
802 const struct variable *pv ;
805 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
806 return GTK_JUSTIFY_LEFT;
808 pv = psppire_dict_get_variable (ds->dict, unit);
810 return (var_get_alignment (pv) == ALIGN_LEFT ? GTK_JUSTIFY_LEFT
811 : var_get_alignment (pv) == ALIGN_RIGHT ? GTK_JUSTIFY_RIGHT
812 : GTK_JUSTIFY_CENTER);
816 static const gchar null_var_name[]=N_("var");
819 geometry_get_column_button_label (const GSheetColumn *geom, glong unit)
822 struct variable *pv ;
823 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
825 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
826 return g_locale_to_utf8 (null_var_name, -1, 0, 0, 0);
828 pv = psppire_dict_get_variable (ds->dict, unit);
830 text = pspp_locale_to_utf8 (var_get_name (pv), -1, 0);
837 geometry_get_column_subtitle (const GSheetColumn *geom, glong unit)
840 const struct variable *v ;
841 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
843 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
846 v = psppire_dict_get_variable (ds->dict, unit);
848 if ( ! var_has_label (v))
851 text = pspp_locale_to_utf8 (var_get_label (v), -1, 0);
858 geometry_get_sensitivity (const GSheetColumn *geom, glong unit)
860 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
862 return (unit < psppire_dict_get_var_cnt (ds->dict));
867 psppire_data_store_sheet_column_init (GSheetColumnIface *iface)
869 iface->get_column_count = geometry_get_column_count;
870 iface->get_width = geometry_get_width;
871 iface->set_width = geometry_set_width;
872 iface->get_visibility = always_true;
873 iface->get_sensitivity = geometry_get_sensitivity;
874 iface->get_justification = geometry_get_justification;
875 iface->get_button_label = geometry_get_column_button_label;
876 iface->get_subtitle = geometry_get_column_subtitle;
880 /* Row related funcs */
883 geometry_get_row_count (const GSheetRow *geom, gpointer data)
885 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
887 return TRAILING_ROWS + psppire_case_file_get_case_count (ds->case_file);
890 #define ROW_HEIGHT 25
893 geometry_get_height (const GSheetRow *geom, glong unit, gpointer data)
899 geometry_get_top_ypixel (const GSheetRow *geo, glong row, gpointer data)
901 return row * ROW_HEIGHT;
905 geometry_pixel_to_row (const GSheetRow *geo, guint pixel, gpointer data)
907 glong row = pixel / ROW_HEIGHT;
909 if (row >= geometry_get_row_count (geo, data))
910 row = geometry_get_row_count (geo, data) - 1;
917 geometry_get_row_sensitivity (const GSheetRow *geom, glong unit, gpointer data)
919 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
922 return (unit < psppire_case_file_get_case_count (ds->case_file));
927 geometry_get_row_button_label (const GSheetRow *geom, glong unit, gpointer data)
931 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
934 TRAILING_ROWS + psppire_case_file_get_case_count (ds->case_file))
937 s = g_strdup_printf (_("%ld"), unit + FIRST_CASE_NUMBER);
939 text = pspp_locale_to_utf8 (s, -1, 0);
947 psppire_data_store_sheet_row_init (GSheetRowIface *iface)
949 iface->get_row_count = geometry_get_row_count;
951 iface->get_height = geometry_get_height;
952 iface->set_height = 0;
953 iface->get_visibility = always_true;
954 iface->get_sensitivity = geometry_get_row_sensitivity;
955 iface->top_ypixel = geometry_get_top_ypixel;
956 iface->pixel_to_row = geometry_pixel_to_row;
957 iface->get_button_label = geometry_get_row_button_label;