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);
51 static void psppire_data_store_dispose (GObject *object);
53 static gboolean psppire_data_store_clear_datum (GSheetModel *model,
54 glong row, glong column);
57 #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 gboolean always_true ()
246 delete_cases_callback (GtkWidget *w,
247 casenumber first, casenumber n_cases, gpointer data)
249 PsppireDataStore *store ;
251 g_return_if_fail (data);
253 store = PSPPIRE_DATA_STORE (data);
255 g_assert (first >= 0);
257 g_sheet_model_rows_deleted (G_SHEET_MODEL (store), first, n_cases);
262 insert_case_callback (GtkWidget *w, casenumber casenum, gpointer data)
264 PsppireDataStore *store ;
266 g_return_if_fail (data);
268 store = PSPPIRE_DATA_STORE (data);
270 g_sheet_model_range_changed (G_SHEET_MODEL (store),
272 psppire_case_file_get_case_count (store->case_file),
275 g_sheet_model_rows_inserted (G_SHEET_MODEL (store), casenum, 1);
280 changed_case_callback (GtkWidget *w, gint casenum, gpointer data)
282 PsppireDataStore *store ;
283 g_return_if_fail (data);
285 store = PSPPIRE_DATA_STORE (data);
287 g_sheet_model_range_changed (G_SHEET_MODEL (store),
294 A callback which occurs after a variable has been deleted.
297 delete_variable_callback (GObject *obj, gint dict_index,
298 gint case_index, gint val_cnt,
301 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
303 g_sheet_model_columns_deleted (G_SHEET_MODEL (store), dict_index, 1);
305 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
311 variable_changed_callback (GObject *obj, gint var_num, gpointer data)
313 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
315 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
319 g_sheet_model_range_changed (G_SHEET_MODEL (store),
325 insert_variable_callback (GObject *obj, gint var_num, gpointer data)
327 PsppireDataStore *store;
330 g_return_if_fail (data);
332 store = PSPPIRE_DATA_STORE (data);
336 struct variable *variable =
337 psppire_dict_get_variable (store->dict, var_num);
339 g_assert (variable != NULL);
341 posn = var_get_case_index (variable);
348 psppire_case_file_insert_values (store->case_file, 1, posn);
350 g_sheet_column_columns_changed (G_SHEET_COLUMN (store),
353 g_sheet_model_columns_inserted (G_SHEET_MODEL (store), var_num, 1);
358 dict_size_change_callback (GObject *obj,
359 gint posn, gint adjustment, gpointer data)
361 PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
363 const struct variable *v = psppire_dict_get_variable (store->dict, posn);
365 const gint new_val_width = value_cnt_from_width (var_get_width (v));
367 if ( adjustment > 0 )
368 psppire_case_file_insert_values (store->case_file, adjustment,
369 new_val_width - adjustment +
370 var_get_case_index(v));
376 * psppire_data_store_new:
377 * @dict: The dictionary for this data_store.
380 * Return value: a new #PsppireDataStore
383 psppire_data_store_new (PsppireDict *dict)
385 PsppireDataStore *retval;
387 retval = g_object_new (GTK_TYPE_DATA_STORE, NULL);
389 psppire_data_store_set_dictionary (retval, dict);
396 psppire_data_store_set_case_file (PsppireDataStore *ds,
400 if ( ds->case_file) g_object_unref (ds->case_file);
405 g_sheet_model_range_changed (G_SHEET_MODEL (ds),
408 for (i = 0 ; i < n_cf_signals ; ++i )
410 if ( ds->cf_handler_id [i] > 0 )
411 g_signal_handler_disconnect (ds->case_file,
412 ds->cf_handler_id[i]);
417 for (i = 0 ; i < n_dict_signals; ++i )
419 if ( ds->dict_handler_id [i] > 0)
421 g_signal_handler_unblock (ds->dict,
422 ds->dict_handler_id[i]);
426 ds->cf_handler_id [CASES_DELETED] =
427 g_signal_connect (ds->case_file, "cases-deleted",
428 G_CALLBACK (delete_cases_callback),
431 ds->cf_handler_id [CASE_INSERTED] =
432 g_signal_connect (ds->case_file, "case-inserted",
433 G_CALLBACK (insert_case_callback),
436 ds->cf_handler_id [CASE_CHANGED] =
437 g_signal_connect (ds->case_file, "case-changed",
438 G_CALLBACK (changed_case_callback),
444 * psppire_data_store_replace_set_dictionary:
445 * @data_store: The variable store
446 * @dict: The dictionary to set
448 * If a dictionary is already associated with the data-store, then it will be
452 psppire_data_store_set_dictionary (PsppireDataStore *data_store, PsppireDict *dict)
456 /* Disconnect any existing handlers */
457 if ( data_store->dict )
458 for (i = 0 ; i < n_dict_signals; ++i )
460 g_signal_handler_disconnect (data_store->dict,
461 data_store->dict_handler_id[i]);
464 data_store->dict = dict;
469 data_store->dict_handler_id [VARIABLE_INSERTED] =
470 g_signal_connect (dict, "variable-inserted",
471 G_CALLBACK (insert_variable_callback),
474 data_store->dict_handler_id [VARIABLE_DELETED] =
475 g_signal_connect (dict, "variable-deleted",
476 G_CALLBACK (delete_variable_callback),
479 data_store->dict_handler_id [VARIABLE_CHANGED] =
480 g_signal_connect (dict, "variable-changed",
481 G_CALLBACK (variable_changed_callback),
484 data_store->dict_handler_id [SIZE_CHANGED] =
485 g_signal_connect (dict, "dict-size-changed",
486 G_CALLBACK (dict_size_change_callback),
492 /* The entire model has changed */
493 g_sheet_model_range_changed (G_SHEET_MODEL (data_store), -1, -1, -1, -1);
495 g_sheet_column_columns_changed (G_SHEET_COLUMN (data_store), 0, -1);
498 if ( data_store->dict )
499 for (i = 0 ; i < n_dict_signals; ++i )
501 if ( data_store->dict_handler_id [i] > 0)
503 g_signal_handler_block (data_store->dict,
504 data_store->dict_handler_id[i]);
510 psppire_data_store_finalize (GObject *object)
514 (* parent_class->finalize) (object);
519 psppire_data_store_dispose (GObject *object)
521 PsppireDataStore *ds = PSPPIRE_DATA_STORE (object);
523 if (ds->dispose_has_run)
526 if (ds->case_file) g_object_unref (ds->case_file);
529 (* parent_class->dispose) (object);
531 ds->dispose_has_run = TRUE;
536 psppire_data_store_delete_cases (PsppireDataStore *ds,
537 casenumber first, casenumber count)
539 g_return_val_if_fail (ds, FALSE);
541 return psppire_case_file_delete_cases (ds->case_file, count, first);
546 /* Insert a blank case before POSN */
548 psppire_data_store_insert_new_case (PsppireDataStore *ds, casenumber posn)
553 g_return_val_if_fail (ds, FALSE);
555 val_cnt = datasheet_get_column_cnt (ds->case_file->datasheet) ;
557 g_return_val_if_fail (val_cnt > 0, FALSE);
559 g_return_val_if_fail (posn <= psppire_data_store_get_case_count (ds), FALSE);
561 case_create (&cc, val_cnt);
563 memset ( case_data_rw_idx (&cc, 0), 0, val_cnt * MAX_SHORT_STRING);
565 for (v = 0 ; v < psppire_dict_get_var_cnt (ds->dict) ; ++v)
567 const struct variable *pv = psppire_dict_get_variable (ds->dict, v);
568 if ( var_is_alpha (pv))
571 case_data_rw (&cc, pv)->f = SYSMIS;
574 result = psppire_case_file_insert_case (ds->case_file, &cc, posn);
583 psppire_data_store_get_string (PsppireDataStore *store, glong row, glong column)
587 const struct fmt_spec *fp ;
588 const struct variable *pv ;
592 g_return_val_if_fail (store->dict, NULL);
593 g_return_val_if_fail (store->case_file, NULL);
595 if (column >= psppire_dict_get_var_cnt (store->dict))
598 if ( row >= psppire_case_file_get_case_count (store->case_file))
601 pv = psppire_dict_get_variable (store->dict, column);
605 idx = var_get_case_index (pv);
609 v = psppire_case_file_get_value (store->case_file, row, idx, NULL,
612 g_return_val_if_fail (v, NULL);
614 if ( store->show_labels)
616 const gchar *label = var_lookup_value_label (pv, v);
620 return pspp_locale_to_utf8 (label, -1, 0);
624 fp = var_get_write_format (pv);
626 s = g_string_sized_new (fp->w + 1);
627 g_string_set_size (s, fp->w);
629 memset (s->str, 0, fp->w);
631 g_assert (fp->w == s->len);
633 /* Converts binary value V into printable form in the exactly
634 FP->W character in buffer S according to format specification
635 FP. No null terminator is appended to the buffer. */
636 data_out (v, fp, s->str);
638 text = pspp_locale_to_utf8 (s->str, fp->w, 0);
639 g_string_free (s, TRUE);
649 psppire_data_store_clear_datum (GSheetModel *model,
650 glong row, glong col)
652 PsppireDataStore *store = PSPPIRE_DATA_STORE (model);
655 const struct variable *pv = psppire_dict_get_variable (store->dict, col);
657 const gint index = var_get_case_index (pv) ;
659 if ( var_is_numeric (pv))
662 memcpy (v.s, "", MAX_SHORT_STRING);
664 psppire_case_file_set_value (store->case_file, row, index, &v,
671 /* Attempts to update that part of the variable store which corresponds
672 to ROW, COL with the value TEXT.
673 Returns true if anything was updated, false otherwise.
676 psppire_data_store_set_string (PsppireDataStore *store,
677 const gchar *text, glong row, glong col)
680 const struct variable *pv = psppire_dict_get_variable (store->dict, col);
681 g_return_val_if_fail (pv, FALSE);
683 n_cases = psppire_data_store_get_case_count (store);
689 psppire_data_store_insert_new_case (store, row);
691 psppire_case_file_data_in (store->case_file, row,
692 var_get_case_index (pv), ss_cstr (text),
693 var_get_write_format (pv));
700 psppire_data_store_set_font (PsppireDataStore *store,
701 const PangoFontDescription *fd)
703 g_return_if_fail (store);
704 g_return_if_fail (PSPPIRE_IS_DATA_STORE (store));
706 store->font_desc = fd;
708 store->width_of_m = calc_m_width (fd);
710 g_signal_emit (store, signals [FONT_CHANGED], 0);
713 g_sheet_model_range_changed (G_SHEET_MODEL (store),
719 psppire_data_store_show_labels (PsppireDataStore *store, gboolean show_labels)
721 g_return_if_fail (store);
722 g_return_if_fail (PSPPIRE_IS_DATA_STORE (store));
724 store->show_labels = show_labels;
726 g_sheet_model_range_changed (G_SHEET_MODEL (store),
732 psppire_data_store_clear (PsppireDataStore *data_store)
734 psppire_case_file_clear (data_store->case_file);
736 psppire_dict_clear (data_store->dict);
741 /* Return a casereader made from this datastore */
743 psppire_data_store_get_reader (PsppireDataStore *ds)
746 struct casereader *reader ;
748 for (i = 0 ; i < n_cf_signals ; ++i )
750 g_signal_handler_disconnect (ds->case_file, ds->cf_handler_id[i]);
751 ds->cf_handler_id[i] = 0 ;
755 for (i = 0 ; i < n_dict_signals; ++i )
757 g_signal_handler_block (ds->dict,
758 ds->dict_handler_id[i]);
761 reader = psppire_case_file_make_reader (ds->case_file);
768 /* Column related funcs */
771 geometry_get_column_count (const GSheetColumn *geom)
773 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
775 return MAX (MIN_COLUMNS, psppire_dict_get_var_cnt (ds->dict));
781 geometry_get_width (const GSheetColumn *geom, glong unit)
783 const struct variable *pv ;
784 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
786 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
787 return ds->width_of_m * 8 ;
789 pv = psppire_dict_get_variable (ds->dict, unit);
792 return ds->width_of_m * 8 ;
794 return ds->width_of_m * var_get_display_width (pv);
798 geometry_set_width (GSheetColumn *geom, glong unit, gint width)
800 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
802 struct variable *pv = psppire_dict_get_variable (ds->dict, unit);
804 var_set_display_width (pv, width / ds->width_of_m );
809 static GtkJustification
810 geometry_get_justification (const GSheetColumn *geom, glong unit)
812 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
813 const struct variable *pv ;
816 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
817 return GTK_JUSTIFY_LEFT;
819 pv = psppire_dict_get_variable (ds->dict, unit);
821 return (var_get_alignment (pv) == ALIGN_LEFT ? GTK_JUSTIFY_LEFT
822 : var_get_alignment (pv) == ALIGN_RIGHT ? GTK_JUSTIFY_RIGHT
823 : GTK_JUSTIFY_CENTER);
827 static const gchar null_var_name[]=N_("var");
830 geometry_get_column_button_label (const GSheetColumn *geom, glong unit)
833 struct variable *pv ;
834 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
836 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
837 return g_locale_to_utf8 (null_var_name, -1, 0, 0, 0);
839 pv = psppire_dict_get_variable (ds->dict, unit);
841 text = pspp_locale_to_utf8 (var_get_name (pv), -1, 0);
848 geometry_get_column_subtitle (const GSheetColumn *geom, glong unit)
851 const struct variable *v ;
852 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
854 if ( unit >= psppire_dict_get_var_cnt (ds->dict) )
857 v = psppire_dict_get_variable (ds->dict, unit);
859 if ( ! var_has_label (v))
862 text = pspp_locale_to_utf8 (var_get_label (v), -1, 0);
869 geometry_get_sensitivity (const GSheetColumn *geom, glong unit)
871 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
873 return (unit < psppire_dict_get_var_cnt (ds->dict));
878 psppire_data_store_sheet_column_init (GSheetColumnIface *iface)
880 iface->get_column_count = geometry_get_column_count;
881 iface->get_width = geometry_get_width;
882 iface->set_width = geometry_set_width;
883 iface->get_visibility = always_true;
884 iface->get_sensitivity = geometry_get_sensitivity;
885 iface->get_justification = geometry_get_justification;
886 iface->get_button_label = geometry_get_column_button_label;
887 iface->get_subtitle = geometry_get_column_subtitle;
891 /* Row related funcs */
894 geometry_get_row_count (const GSheetRow *geom, gpointer data)
896 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
898 return TRAILING_ROWS + psppire_case_file_get_case_count (ds->case_file);
901 #define ROW_HEIGHT 25
904 geometry_get_height (const GSheetRow *geom, glong unit, gpointer data)
910 geometry_get_top_ypixel (const GSheetRow *geo, glong row, gpointer data)
912 return row * ROW_HEIGHT;
916 geometry_pixel_to_row (const GSheetRow *geo, guint pixel, gpointer data)
918 glong row = pixel / ROW_HEIGHT;
920 if (row >= geometry_get_row_count (geo, data))
921 row = geometry_get_row_count (geo, data) - 1;
928 geometry_get_row_sensitivity (const GSheetRow *geom, glong unit, gpointer data)
930 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
933 return (unit < psppire_case_file_get_case_count (ds->case_file));
938 geometry_get_row_button_label (const GSheetRow *geom, glong unit, gpointer data)
942 PsppireDataStore *ds = PSPPIRE_DATA_STORE (geom);
945 TRAILING_ROWS + psppire_case_file_get_case_count (ds->case_file))
948 s = g_strdup_printf (_("%ld"), unit + FIRST_CASE_NUMBER);
950 text = pspp_locale_to_utf8 (s, -1, 0);
958 psppire_data_store_sheet_row_init (GSheetRowIface *iface)
960 iface->get_row_count = geometry_get_row_count;
962 iface->get_height = geometry_get_height;
963 iface->set_height = 0;
964 iface->get_visibility = always_true;
965 iface->get_sensitivity = geometry_get_row_sensitivity;
966 iface->top_ypixel = geometry_get_top_ypixel;
967 iface->pixel_to_row = geometry_pixel_to_row;
968 iface->get_button_label = geometry_get_row_button_label;