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 g_return_val_if_fail (posn <= psppire_data_store_get_case_count (ds), FALSE);
487 case_create (&cc, val_cnt);
489 memset ( case_data_rw_idx (&cc, 0), 0, val_cnt * MAX_SHORT_STRING);
491 for (v = 0 ; v < psppire_dict_get_var_cnt (ds->dict) ; ++v)
493 const struct variable *pv = psppire_dict_get_variable (ds->dict, v);
494 if ( var_is_alpha (pv))
497 case_data_rw (&cc, pv)->f = SYSMIS;
500 result = psppire_case_file_insert_case (ds->case_file, &cc, posn);
509 psppire_data_store_get_string (PsppireDataStore *store, glong row, glong column)
513 const struct fmt_spec *fp ;
514 const struct variable *pv ;
518 g_return_val_if_fail (store->dict, NULL);
519 g_return_val_if_fail (store->case_file, NULL);
521 if (column >= psppire_dict_get_var_cnt (store->dict))
524 if ( row >= psppire_case_file_get_case_count (store->case_file))
527 pv = psppire_dict_get_variable (store->dict, column);
531 idx = var_get_case_index (pv);
535 v = psppire_case_file_get_value (store->case_file, row, idx, NULL,
538 g_return_val_if_fail (v, NULL);
540 if ( store->show_labels)
542 const gchar *label = var_lookup_value_label (pv, v);
546 return pspp_locale_to_utf8 (label, -1, 0);
550 fp = var_get_write_format (pv);
552 s = g_string_sized_new (fp->w + 1);
553 g_string_set_size (s, fp->w);
555 memset (s->str, 0, fp->w);
557 g_assert (fp->w == s->len);
559 /* Converts binary value V into printable form in the exactly
560 FP->W character in buffer S according to format specification
561 FP. No null terminator is appended to the buffer. */
562 data_out (v, fp, s->str);
564 text = pspp_locale_to_utf8 (s->str, fp->w, 0);
565 g_string_free (s, TRUE);
575 psppire_data_store_clear_datum (GSheetModel *model,
576 glong row, glong col)
578 PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
581 const struct variable *pv = psppire_dict_get_variable (store->dict, col);
583 const gint index = var_get_case_index (pv) ;
585 if ( var_is_numeric (pv))
588 memcpy (v.s, "", MAX_SHORT_STRING);
590 psppire_case_file_set_value (store->case_file, row, index, &v,
597 /* Attempts to update that part of the variable store which corresponds
598 to ROW, COL with the value TEXT.
599 Returns true if anything was updated, false otherwise.
602 psppire_data_store_set_string (PsppireDataStore *store,
603 const gchar *text, glong row, glong col)
605 const struct variable *pv = psppire_dict_get_variable (store->dict, col);
606 g_return_val_if_fail (pv, FALSE);
609 /* Allow the user to insert a lot of blank cases, simply by skipping rows */
610 for (r = psppire_case_file_get_case_count (store->case_file); r <= row ; ++r)
615 psppire_case_array_insert_case (store->cases, r, 0, 0);
618 for (c = 0 ; c < psppire_dict_get_var_cnt (store->dict); ++c )
619 psppire_data_store_clear_datum (model, r, c);
623 psppire_case_file_data_in (store->case_file, row,
624 var_get_case_index (pv), ss_cstr (text),
625 var_get_write_format (pv));
632 psppire_data_store_set_font (PsppireDataStore *store,
633 const PangoFontDescription *fd)
635 g_return_if_fail (store);
636 g_return_if_fail (PSPPIRE_IS_DATA_STORE (store));
638 store->font_desc = fd;
640 store->width_of_m = calc_m_width (fd);
642 g_signal_emit (store, signals [FONT_CHANGED], 0);
645 g_sheet_model_range_changed (G_SHEET_MODEL (store),
651 psppire_data_store_show_labels (PsppireDataStore *store, gboolean show_labels)
653 g_return_if_fail (store);
654 g_return_if_fail (PSPPIRE_IS_DATA_STORE (store));
656 store->show_labels = show_labels;
658 g_sheet_model_range_changed (G_SHEET_MODEL (store),
664 psppire_data_store_clear (PsppireDataStore *data_store)
666 psppire_case_file_clear (data_store->case_file);
668 psppire_dict_clear (data_store->dict);
673 /* Return a casereader made from this datastore */
675 psppire_data_store_get_reader (PsppireDataStore *ds)
677 struct casereader *reader ;
679 reader = psppire_case_file_make_reader (ds->case_file);
686 /* Column related funcs */
689 geometry_get_column_count (const GSheetColumn *geom)
691 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
693 return MAX (MIN_COLUMNS, psppire_dict_get_var_cnt (ds->dict));
699 geometry_get_width (const GSheetColumn *geom, glong unit)
701 const struct variable *pv ;
702 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
704 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
705 return ds->width_of_m * 8 ;
707 pv = psppire_dict_get_variable (ds->dict, unit);
710 return ds->width_of_m * 8 ;
712 return ds->width_of_m * var_get_display_width (pv);
716 geometry_set_width (GSheetColumn *geom, glong unit, gint width)
718 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
720 struct variable *pv = psppire_dict_get_variable (ds->dict, unit);
722 var_set_display_width (pv, width / ds->width_of_m );
727 static GtkJustification
728 geometry_get_justification (const GSheetColumn *geom, glong unit)
730 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
731 const struct variable *pv ;
734 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
735 return GTK_JUSTIFY_LEFT;
737 pv = psppire_dict_get_variable (ds->dict, unit);
739 return (var_get_alignment (pv) == ALIGN_LEFT ? GTK_JUSTIFY_LEFT
740 : var_get_alignment (pv) == ALIGN_RIGHT ? GTK_JUSTIFY_RIGHT
741 : GTK_JUSTIFY_CENTER);
745 static const gchar null_var_name[]=N_("var");
748 geometry_get_column_button_label (const GSheetColumn *geom, glong unit)
751 struct variable *pv ;
752 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
754 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
755 return g_locale_to_utf8 (null_var_name, -1, 0, 0, 0);
757 pv = psppire_dict_get_variable (ds->dict, unit);
759 text = pspp_locale_to_utf8 (var_get_name (pv), -1, 0);
766 geometry_get_column_subtitle (const GSheetColumn *geom, glong unit)
769 const struct variable *v ;
770 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
772 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
775 v = psppire_dict_get_variable (ds->dict, unit);
777 if ( ! var_has_label (v))
780 text = pspp_locale_to_utf8 (var_get_label (v), -1, 0);
787 geometry_get_sensitivity (const GSheetColumn *geom, glong unit)
789 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
791 return (unit < psppire_dict_get_var_cnt (ds->dict));
796 psppire_data_store_sheet_column_init (GSheetColumnIface *iface)
798 iface->get_column_count = geometry_get_column_count;
799 iface->get_width = geometry_get_width;
800 iface->set_width = geometry_set_width;
801 iface->get_visibility = always_true;
802 iface->get_sensitivity = geometry_get_sensitivity;
803 iface->get_justification = geometry_get_justification;
804 iface->get_button_label = geometry_get_column_button_label;
805 iface->get_subtitle = geometry_get_column_subtitle;
809 /* Row related funcs */
812 geometry_get_row_count (const GSheetRow *geom, gpointer data)
814 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
816 return TRAILING_ROWS + psppire_case_file_get_case_count (ds->case_file);
819 #define ROW_HEIGHT 25
822 geometry_get_height (const GSheetRow *geom, glong unit, gpointer data)
828 geometry_get_top_ypixel (const GSheetRow *geo, glong row, gpointer data)
830 return row * ROW_HEIGHT;
834 geometry_pixel_to_row (const GSheetRow *geo, guint pixel, gpointer data)
836 glong row = pixel / ROW_HEIGHT;
838 if (row >= geometry_get_row_count (geo, data))
839 row = geometry_get_row_count (geo, data) -1;
846 geometry_get_row_sensitivity (const GSheetRow *geom, glong unit, gpointer data)
848 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
851 return (unit < psppire_case_file_get_case_count (ds->case_file));
856 geometry_get_row_button_label (const GSheetRow *geom, glong unit, gpointer data)
860 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
863 TRAILING_ROWS + psppire_case_file_get_case_count (ds->case_file))
866 s = g_strdup_printf (_("%ld"), unit + FIRST_CASE_NUMBER);
868 text = pspp_locale_to_utf8 (s, -1, 0);
876 psppire_data_store_sheet_row_init (GSheetRowIface *iface)
878 iface->get_row_count = geometry_get_row_count;
880 iface->get_height = geometry_get_height;
881 iface->set_height = 0;
882 iface->get_visibility = always_true;
883 iface->get_sensitivity = geometry_get_row_sensitivity;
884 iface->top_ypixel = geometry_get_top_ypixel;
885 iface->pixel_to_row = geometry_pixel_to_row;
886 iface->get_button_label = geometry_get_row_button_label;