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 (PsppireDataStore *store)
165 return psppire_case_file_get_case_count (store->case_file);
169 psppire_data_store_get_case_count_from_model (const GSheetModel *model)
171 const PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
173 return psppire_case_file_get_case_count (store->case_file);
177 psppire_data_store_init (PsppireDataStore *data_store)
179 data_store->dict = 0;
180 data_store->case_file = 0;
181 data_store->width_of_m = 10;
184 const PangoFontDescription *
185 psppire_data_store_get_font_desc (const GSheetModel *model,
186 glong row, glong column)
188 PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
190 return store->font_desc;
193 static inline gchar *
194 psppire_data_store_get_string_wrapper (const GSheetModel *model, glong row,
197 return psppire_data_store_get_string (PSPPIRE_DATA_STORE (model), row, column);
201 static inline gboolean
202 psppire_data_store_set_string_wrapper (GSheetModel *model,
204 glong row, glong column)
206 return psppire_data_store_set_string (PSPPIRE_DATA_STORE (model), text,
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_from_model;
231 gboolean always_true ()
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 ;
258 g_return_if_fail (data);
260 store = PSPPIRE_DATA_STORE (data);
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);
295 g_sheet_model_columns_deleted (G_SHEET_MODEL (store), dict_index, 1);
297 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
303 variable_changed_callback (GObject *obj, gint var_num, gpointer data)
305 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
307 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
311 g_sheet_model_range_changed (G_SHEET_MODEL (store),
317 insert_variable_callback (GObject *obj, gint var_num, gpointer data)
319 PsppireDataStore *store;
322 g_return_if_fail (data);
324 store = PSPPIRE_DATA_STORE (data);
328 struct variable *variable =
329 psppire_dict_get_variable (store->dict, var_num);
331 g_assert (variable != NULL);
333 posn = var_get_case_index (variable);
340 psppire_case_file_insert_values (store->case_file, 1, posn);
342 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
345 g_sheet_model_columns_inserted (G_SHEET_MODEL (store), var_num, 1);
350 dict_size_change_callback (GObject *obj,
351 gint posn, gint adjustment, gpointer data)
353 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
355 const struct variable *v = psppire_dict_get_variable (store->dict, posn);
357 const gint new_val_width = value_cnt_from_width (var_get_width (v));
359 if ( adjustment > 0 )
360 psppire_case_file_insert_values (store->case_file, adjustment,
361 new_val_width - adjustment +
362 var_get_case_index(v));
368 * psppire_data_store_new:
369 * @dict: The dictionary for this data_store.
372 * Return value: a new #PsppireDataStore
375 psppire_data_store_new (PsppireDict *dict)
377 PsppireDataStore *retval;
379 retval = g_object_new (GTK_TYPE_DATA_STORE, NULL);
381 psppire_data_store_set_dictionary (retval, dict);
388 psppire_data_store_set_case_file (PsppireDataStore *data_store,
391 if ( data_store->case_file)
393 g_object_unref (data_store->case_file);
396 data_store->case_file = cf;
398 g_sheet_model_range_changed (G_SHEET_MODEL (data_store),
402 g_signal_connect (data_store->case_file, "cases-deleted",
403 G_CALLBACK (delete_cases_callback),
406 g_signal_connect (data_store->case_file, "case-inserted",
407 G_CALLBACK (insert_case_callback),
411 g_signal_connect (data_store->case_file, "case-changed",
412 G_CALLBACK (changed_case_callback),
419 * psppire_data_store_replace_set_dictionary:
420 * @data_store: The variable store
421 * @dict: The dictionary to set
423 * If a dictionary is already associated with the data-store, then it will be
427 psppire_data_store_set_dictionary (PsppireDataStore *data_store, PsppireDict *dict)
429 data_store->dict = dict;
431 g_signal_connect (dict, "variable-inserted",
432 G_CALLBACK (insert_variable_callback),
435 g_signal_connect (dict, "variable-deleted",
436 G_CALLBACK (delete_variable_callback),
439 g_signal_connect (dict, "variable-changed",
440 G_CALLBACK (variable_changed_callback),
443 g_signal_connect (dict, "dict-size-changed",
444 G_CALLBACK (dict_size_change_callback),
447 /* The entire model has changed */
448 g_sheet_model_range_changed (G_SHEET_MODEL (data_store), -1, -1, -1, -1);
450 g_sheet_column_columns_changed (G_SHEET_COLUMN (data_store), 0, -1);
454 psppire_data_store_finalize (GObject *object)
458 (* parent_class->finalize) (object);
462 psppire_data_store_delete_cases (PsppireDataStore *ds,
463 casenumber first, casenumber count)
465 g_return_val_if_fail (ds, FALSE);
467 return psppire_case_file_delete_cases (ds->case_file, count, first);
472 /* Insert a blank case before POSN */
474 psppire_data_store_insert_new_case (PsppireDataStore *ds, casenumber posn)
479 g_return_val_if_fail (ds, FALSE);
481 val_cnt = datasheet_get_column_cnt (ds->case_file->datasheet) ;
483 g_return_val_if_fail (val_cnt > 0, FALSE);
485 case_create (&cc, val_cnt);
487 memset ( case_data_rw_idx (&cc, 0), 0, val_cnt * MAX_SHORT_STRING);
489 for (v = 0 ; v < psppire_dict_get_var_cnt (ds->dict) ; ++v)
491 const struct variable *pv = psppire_dict_get_variable (ds->dict, v);
492 if ( var_is_alpha (pv))
495 case_data_rw (&cc, pv)->f = SYSMIS;
498 result = psppire_case_file_insert_case (ds->case_file, &cc, posn);
507 psppire_data_store_get_string (PsppireDataStore *store, glong row, glong column)
511 const struct fmt_spec *fp ;
512 const struct variable *pv ;
516 g_return_val_if_fail (store->dict, NULL);
517 g_return_val_if_fail (store->case_file, NULL);
519 if (column >= psppire_dict_get_var_cnt (store->dict))
522 if ( row >= psppire_case_file_get_case_count (store->case_file))
525 pv = psppire_dict_get_variable (store->dict, column);
529 idx = var_get_case_index (pv);
533 v = psppire_case_file_get_value (store->case_file, row, idx, NULL,
536 g_return_val_if_fail (v, NULL);
538 if ( store->show_labels)
540 const gchar *label = var_lookup_value_label (pv, v);
544 return pspp_locale_to_utf8 (label, -1, 0);
548 fp = var_get_write_format (pv);
550 s = g_string_sized_new (fp->w + 1);
551 g_string_set_size (s, fp->w);
553 memset (s->str, 0, fp->w);
555 g_assert (fp->w == s->len);
557 /* Converts binary value V into printable form in the exactly
558 FP->W character in buffer S according to format specification
559 FP. No null terminator is appended to the buffer. */
560 data_out (v, fp, s->str);
562 text = pspp_locale_to_utf8 (s->str, fp->w, 0);
563 g_string_free (s, TRUE);
573 psppire_data_store_clear_datum (GSheetModel *model,
574 glong row, glong col)
576 PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
579 const struct variable *pv = psppire_dict_get_variable (store->dict, col);
581 const gint index = var_get_case_index (pv) ;
583 if ( var_is_numeric (pv))
586 memcpy (v.s, "", MAX_SHORT_STRING);
588 psppire_case_file_set_value (store->case_file, row, index, &v,
595 /* Attempts to update that part of the variable store which corresponds
596 to ROW, COL with the value TEXT.
597 Returns true if anything was updated, false otherwise.
600 psppire_data_store_set_string (PsppireDataStore *store,
601 const gchar *text, glong row, glong col)
603 const struct variable *pv = psppire_dict_get_variable (store->dict, col);
604 g_return_val_if_fail (pv, FALSE);
607 /* Allow the user to insert a lot of blank cases, simply by skipping rows */
608 for (r = psppire_case_file_get_case_count (store->case_file); r <= row ; ++r)
613 psppire_case_array_insert_case (store->cases, r, 0, 0);
616 for (c = 0 ; c < psppire_dict_get_var_cnt (store->dict); ++c )
617 psppire_data_store_clear_datum (model, r, c);
621 psppire_case_file_data_in (store->case_file, row,
622 var_get_case_index (pv), ss_cstr (text),
623 var_get_write_format (pv));
630 psppire_data_store_set_font (PsppireDataStore *store,
631 const PangoFontDescription *fd)
633 g_return_if_fail (store);
634 g_return_if_fail (PSPPIRE_IS_DATA_STORE (store));
636 store->font_desc = fd;
638 store->width_of_m = calc_m_width (fd);
640 g_signal_emit (store, signals [FONT_CHANGED], 0);
643 g_sheet_model_range_changed (G_SHEET_MODEL (store),
649 psppire_data_store_show_labels (PsppireDataStore *store, gboolean show_labels)
651 g_return_if_fail (store);
652 g_return_if_fail (PSPPIRE_IS_DATA_STORE (store));
654 store->show_labels = show_labels;
656 g_sheet_model_range_changed (G_SHEET_MODEL (store),
662 psppire_data_store_clear (PsppireDataStore *data_store)
664 psppire_case_file_clear (data_store->case_file);
666 psppire_dict_clear (data_store->dict);
671 /* Return a casereader made from this datastore */
673 psppire_data_store_get_reader (PsppireDataStore *ds)
675 struct casereader *reader ;
677 reader = psppire_case_file_make_reader (ds->case_file);
684 /* Column related funcs */
687 geometry_get_column_count (const GSheetColumn *geom)
689 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
691 return MAX (MIN_COLUMNS, psppire_dict_get_var_cnt (ds->dict));
697 geometry_get_width (const GSheetColumn *geom, glong unit)
699 const struct variable *pv ;
700 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
702 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
703 return ds->width_of_m * 8 ;
705 pv = psppire_dict_get_variable (ds->dict, unit);
708 return ds->width_of_m * 8 ;
710 return ds->width_of_m * var_get_display_width (pv);
714 geometry_set_width (GSheetColumn *geom, glong unit, gint width)
716 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
718 struct variable *pv = psppire_dict_get_variable (ds->dict, unit);
720 var_set_display_width (pv, width / ds->width_of_m );
725 static GtkJustification
726 geometry_get_justification (const GSheetColumn *geom, glong unit)
728 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
729 const struct variable *pv ;
732 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
733 return GTK_JUSTIFY_LEFT;
735 pv = psppire_dict_get_variable (ds->dict, unit);
737 return (var_get_alignment (pv) == ALIGN_LEFT ? GTK_JUSTIFY_LEFT
738 : var_get_alignment (pv) == ALIGN_RIGHT ? GTK_JUSTIFY_RIGHT
739 : GTK_JUSTIFY_CENTER);
743 static const gchar null_var_name[]=N_("var");
746 geometry_get_column_button_label (const GSheetColumn *geom, glong unit)
749 struct variable *pv ;
750 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
752 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
753 return g_locale_to_utf8 (null_var_name, -1, 0, 0, 0);
755 pv = psppire_dict_get_variable (ds->dict, unit);
757 text = pspp_locale_to_utf8 (var_get_name (pv), -1, 0);
764 geometry_get_column_subtitle (const GSheetColumn *geom, glong unit)
767 const struct variable *v ;
768 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
770 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
773 v = psppire_dict_get_variable (ds->dict, unit);
775 if ( ! var_has_label (v))
778 text = pspp_locale_to_utf8 (var_get_label (v), -1, 0);
785 geometry_get_sensitivity (const GSheetColumn *geom, glong unit)
787 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
789 return (unit < psppire_dict_get_var_cnt (ds->dict));
794 psppire_data_store_sheet_column_init (GSheetColumnIface *iface)
796 iface->get_column_count = geometry_get_column_count;
797 iface->get_width = geometry_get_width;
798 iface->set_width = geometry_set_width;
799 iface->get_visibility = always_true;
800 iface->get_sensitivity = geometry_get_sensitivity;
801 iface->get_justification = geometry_get_justification;
802 iface->get_button_label = geometry_get_column_button_label;
803 iface->get_subtitle = geometry_get_column_subtitle;
807 /* Row related funcs */
810 geometry_get_row_count (const GSheetRow *geom, gpointer data)
812 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
814 return TRAILING_ROWS + psppire_case_file_get_case_count (ds->case_file);
817 #define ROW_HEIGHT 25
820 geometry_get_height (const GSheetRow *geom, glong unit, gpointer data)
826 geometry_get_top_ypixel (const GSheetRow *geo, glong row, gpointer data)
828 return row * ROW_HEIGHT;
832 geometry_pixel_to_row (const GSheetRow *geo, guint pixel, gpointer data)
834 glong row = pixel / ROW_HEIGHT;
836 if (row >= geometry_get_row_count (geo, data))
837 row = geometry_get_row_count (geo, data) -1;
844 geometry_get_row_sensitivity (const GSheetRow *geom, glong unit, gpointer data)
846 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
849 return (unit < psppire_case_file_get_case_count (ds->case_file));
854 geometry_get_row_button_label (const GSheetRow *geom, glong unit, gpointer data)
858 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
861 TRAILING_ROWS + psppire_case_file_get_case_count (ds->case_file))
864 s = g_strdup_printf (_("%ld"), unit + FIRST_CASE_NUMBER);
866 text = pspp_locale_to_utf8 (s, -1, 0);
874 psppire_data_store_sheet_row_init (GSheetRowIface *iface)
876 iface->get_row_count = geometry_get_row_count;
878 iface->get_height = geometry_get_height;
879 iface->set_height = 0;
880 iface->get_visibility = always_true;
881 iface->get_sensitivity = geometry_get_row_sensitivity;
882 iface->top_ypixel = geometry_get_top_ypixel;
883 iface->pixel_to_row = geometry_pixel_to_row;
884 iface->get_button_label = geometry_get_row_button_label;