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 delete_variables_callback (GObject *obj, gint var_num, gint n_vars, gpointer data)
288 PsppireDataStore *store ;
290 g_return_if_fail (data);
292 store = PSPPIRE_DATA_STORE (data);
294 g_sheet_model_columns_deleted (G_SHEET_MODEL (store), var_num, n_vars);
296 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
302 variable_changed_callback (GObject *obj, gint var_num, gpointer data)
304 PsppireDataStore *store;
306 g_return_if_fail (data);
308 store = PSPPIRE_DATA_STORE (data);
310 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
314 g_sheet_model_range_changed (G_SHEET_MODEL (store),
320 insert_variable_callback (GObject *obj, gint var_num, gpointer data)
322 PsppireDataStore *store;
325 g_return_if_fail (data);
327 store = PSPPIRE_DATA_STORE (data);
331 struct variable *variable =
332 psppire_dict_get_variable (store->dict, var_num);
334 g_assert (variable != NULL);
336 posn = var_get_case_index (variable);
343 psppire_case_file_insert_values (store->case_file, 1, posn);
345 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
348 g_sheet_model_columns_inserted (G_SHEET_MODEL (store), var_num, 1);
353 dict_size_change_callback (GObject *obj,
354 gint posn, gint adjustment, gpointer data)
356 PsppireDataStore *store ;
358 g_return_if_fail (data);
360 store = PSPPIRE_DATA_STORE (data);
362 psppire_case_file_insert_values (store->case_file, adjustment, posn);
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, "variables-deleted",
436 G_CALLBACK (delete_variables_callback),
439 g_signal_connect (dict, "variable-changed",
440 G_CALLBACK (variable_changed_callback),
444 g_signal_connect (dict, "dict-size-changed",
445 G_CALLBACK (dict_size_change_callback),
448 /* The entire model has changed */
449 g_sheet_model_range_changed (G_SHEET_MODEL (data_store), -1, -1, -1, -1);
451 g_sheet_column_columns_changed (G_SHEET_COLUMN (data_store), 0, -1);
455 psppire_data_store_finalize (GObject *object)
459 (* parent_class->finalize) (object);
463 psppire_data_store_delete_cases (PsppireDataStore *ds,
464 casenumber first, casenumber count)
466 g_return_val_if_fail (ds, FALSE);
468 return psppire_case_file_delete_cases (ds->case_file, count, first);
473 /* Insert a blank case before POSN */
475 psppire_data_store_insert_new_case (PsppireDataStore *ds, casenumber posn)
480 g_return_val_if_fail (ds, FALSE);
482 val_cnt = datasheet_get_column_cnt (ds->case_file->datasheet) ;
484 g_return_val_if_fail (val_cnt > 0, FALSE);
486 case_create (&cc, val_cnt);
488 memset ( case_data_rw_idx (&cc, 0), 0, val_cnt * MAX_SHORT_STRING);
490 for (v = 0 ; v < psppire_dict_get_var_cnt (ds->dict) ; ++v)
492 const struct variable *pv = psppire_dict_get_variable (ds->dict, v);
493 if ( var_is_alpha (pv))
496 case_data_rw (&cc, pv)->f = SYSMIS;
499 result = psppire_case_file_insert_case (ds->case_file, &cc, posn);
508 psppire_data_store_get_string (PsppireDataStore *store, glong row, glong column)
512 const struct fmt_spec *fp ;
513 const struct variable *pv ;
517 g_return_val_if_fail (store->dict, NULL);
518 g_return_val_if_fail (store->case_file, NULL);
520 if (column >= psppire_dict_get_var_cnt (store->dict))
523 if ( row >= psppire_case_file_get_case_count (store->case_file))
526 pv = psppire_dict_get_variable (store->dict, column);
530 idx = var_get_case_index (pv);
534 v = psppire_case_file_get_value (store->case_file, row, idx, NULL,
537 g_return_val_if_fail (v, NULL);
539 if ( store->show_labels)
541 const gchar *label = var_lookup_value_label (pv, v);
545 return pspp_locale_to_utf8 (label, -1, 0);
549 fp = var_get_write_format (pv);
551 s = g_string_sized_new (fp->w + 1);
552 g_string_set_size (s, fp->w);
554 memset (s->str, 0, fp->w);
556 g_assert (fp->w == s->len);
558 /* Converts binary value V into printable form in the exactly
559 FP->W character in buffer S according to format specification
560 FP. No null terminator is appended to the buffer. */
561 data_out (v, fp, s->str);
563 text = pspp_locale_to_utf8 (s->str, fp->w, 0);
564 g_string_free (s, TRUE);
574 psppire_data_store_clear_datum (GSheetModel *model,
575 glong row, glong col)
577 PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
580 const struct variable *pv = psppire_dict_get_variable (store->dict, col);
582 const gint index = var_get_case_index (pv) ;
584 if ( var_is_numeric (pv))
587 memcpy (v.s, "", MAX_SHORT_STRING);
589 psppire_case_file_set_value (store->case_file, row, index, &v,
596 /* Attempts to update that part of the variable store which corresponds
597 to ROW, COL with the value TEXT.
598 Returns true if anything was updated, false otherwise.
601 psppire_data_store_set_string (PsppireDataStore *store,
602 const gchar *text, glong row, glong col)
604 const struct variable *pv = psppire_dict_get_variable (store->dict, col);
605 g_return_val_if_fail (pv, FALSE);
608 /* Allow the user to insert a lot of blank cases, simply by skipping rows */
609 for (r = psppire_case_file_get_case_count (store->case_file); r <= row ; ++r)
614 psppire_case_array_insert_case (store->cases, r, 0, 0);
617 for (c = 0 ; c < psppire_dict_get_var_cnt (store->dict); ++c )
618 psppire_data_store_clear_datum (model, r, c);
622 psppire_case_file_data_in (store->case_file, row,
623 var_get_case_index (pv), ss_cstr (text),
624 var_get_write_format (pv));
631 psppire_data_store_set_font (PsppireDataStore *store,
632 const PangoFontDescription *fd)
634 g_return_if_fail (store);
635 g_return_if_fail (PSPPIRE_IS_DATA_STORE (store));
637 store->font_desc = fd;
639 store->width_of_m = calc_m_width (fd);
641 g_signal_emit (store, signals [FONT_CHANGED], 0);
644 g_sheet_model_range_changed (G_SHEET_MODEL (store),
650 psppire_data_store_show_labels (PsppireDataStore *store, gboolean show_labels)
652 g_return_if_fail (store);
653 g_return_if_fail (PSPPIRE_IS_DATA_STORE (store));
655 store->show_labels = show_labels;
657 g_sheet_model_range_changed (G_SHEET_MODEL (store),
663 psppire_data_store_clear (PsppireDataStore *data_store)
665 psppire_case_file_clear (data_store->case_file);
667 psppire_dict_clear (data_store->dict);
672 /* Return a casereader made from this datastore */
674 psppire_data_store_get_reader (PsppireDataStore *ds)
676 struct casereader *reader ;
678 reader = psppire_case_file_make_reader (ds->case_file);
685 /* Column related funcs */
688 geometry_get_column_count (const GSheetColumn *geom)
690 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
692 return MAX (MIN_COLUMNS, psppire_dict_get_var_cnt (ds->dict));
698 geometry_get_width (const GSheetColumn *geom, glong unit)
700 const struct variable *pv ;
701 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
703 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
704 return ds->width_of_m * 8 ;
706 pv = psppire_dict_get_variable (ds->dict, unit);
709 return ds->width_of_m * 8 ;
711 return ds->width_of_m * var_get_display_width (pv);
715 geometry_set_width (GSheetColumn *geom, glong unit, gint width)
717 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
719 struct variable *pv = psppire_dict_get_variable (ds->dict, unit);
721 var_set_display_width (pv, width / ds->width_of_m );
726 static GtkJustification
727 geometry_get_justification (const GSheetColumn *geom, glong unit)
729 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
730 const struct variable *pv ;
733 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
734 return GTK_JUSTIFY_LEFT;
736 pv = psppire_dict_get_variable (ds->dict, unit);
738 return (var_get_alignment (pv) == ALIGN_LEFT ? GTK_JUSTIFY_LEFT
739 : var_get_alignment (pv) == ALIGN_RIGHT ? GTK_JUSTIFY_RIGHT
740 : GTK_JUSTIFY_CENTER);
744 static const gchar null_var_name[]=N_("var");
747 geometry_get_column_button_label (const GSheetColumn *geom, glong unit)
750 struct variable *pv ;
751 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
753 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
754 return g_locale_to_utf8 (null_var_name, -1, 0, 0, 0);
756 pv = psppire_dict_get_variable (ds->dict, unit);
758 text = pspp_locale_to_utf8 (var_get_name (pv), -1, 0);
765 geometry_get_column_subtitle (const GSheetColumn *geom, glong unit)
768 const struct variable *v ;
769 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
771 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
774 v = psppire_dict_get_variable (ds->dict, unit);
776 if ( ! var_has_label (v))
779 text = pspp_locale_to_utf8 (var_get_label (v), -1, 0);
786 geometry_get_sensitivity (const GSheetColumn *geom, glong unit)
788 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
790 return (unit < psppire_dict_get_var_cnt (ds->dict));
795 psppire_data_store_sheet_column_init (GSheetColumnIface *iface)
797 iface->get_column_count = geometry_get_column_count;
798 iface->get_width = geometry_get_width;
799 iface->set_width = geometry_set_width;
800 iface->get_visibility = always_true;
801 iface->get_sensitivity = geometry_get_sensitivity;
802 iface->get_justification = geometry_get_justification;
803 iface->get_button_label = geometry_get_column_button_label;
804 iface->get_subtitle = geometry_get_column_subtitle;
808 /* Row related funcs */
811 geometry_get_row_count (const GSheetRow *geom, gpointer data)
813 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
815 return TRAILING_ROWS + psppire_case_file_get_case_count (ds->case_file);
818 #define ROW_HEIGHT 25
821 geometry_get_height (const GSheetRow *geom, glong unit, gpointer data)
827 geometry_get_top_ypixel (const GSheetRow *geo, glong row, gpointer data)
829 return row * ROW_HEIGHT;
833 geometry_pixel_to_row (const GSheetRow *geo, guint pixel, gpointer data)
835 glong row = pixel / ROW_HEIGHT;
837 if (row >= geometry_get_row_count (geo, data))
838 row = geometry_get_row_count (geo, data) -1;
845 geometry_get_row_sensitivity (const GSheetRow *geom, glong unit, gpointer data)
847 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
850 return (unit < psppire_case_file_get_case_count (ds->case_file));
855 geometry_get_row_button_label (const GSheetRow *geom, glong unit, gpointer data)
859 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
862 TRAILING_ROWS + psppire_case_file_get_case_count (ds->case_file))
865 s = g_strdup_printf (_("%ld"), unit + FIRST_CASE_NUMBER);
867 text = pspp_locale_to_utf8 (s, -1, 0);
875 psppire_data_store_sheet_row_init (GSheetRowIface *iface)
877 iface->get_row_count = geometry_get_row_count;
879 iface->get_height = geometry_get_height;
880 iface->set_height = 0;
881 iface->get_visibility = always_true;
882 iface->get_sensitivity = geometry_get_row_sensitivity;
883 iface->top_ypixel = geometry_get_top_ypixel;
884 iface->pixel_to_row = geometry_pixel_to_row;
885 iface->get_button_label = geometry_get_row_button_label;