2 PSPPIRE --- A Graphical User Interface for PSPP
3 Copyright (C) 2006 Free Software Foundation
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
24 #include "psppire-case-file.h"
26 #include <gtksheet/gtkextra-marshal.h>
28 #include <data/case.h>
29 #include <ui/flexifile.h>
30 #include "flexifile-factory.h"
31 #include <data/casefile.h>
32 #include <data/data-in.h>
33 #include <math/sort.h>
34 #include <libpspp/misc.h>
36 /* --- prototypes --- */
37 static void psppire_case_file_class_init (PsppireCaseFileClass *class);
38 static void psppire_case_file_init (PsppireCaseFile *case_file);
39 static void psppire_case_file_finalize (GObject *object);
42 /* --- variables --- */
43 static GObjectClass *parent_class = NULL;
50 static guint signals [n_SIGNALS];
53 /* --- functions --- */
55 * psppire_case_file_get_type:
56 * @returns: the type ID for accelerator groups.
59 psppire_case_file_get_type (void)
61 static GType object_type = 0;
65 static const GTypeInfo object_info = {
66 sizeof (PsppireCaseFileClass),
68 (GBaseFinalizeFunc) NULL,
69 (GClassInitFunc) psppire_case_file_class_init,
70 NULL, /* class_finalize */
71 NULL, /* class_data */
72 sizeof (PsppireCaseFile),
74 (GInstanceInitFunc) psppire_case_file_init,
77 object_type = g_type_register_static (G_TYPE_OBJECT, "PsppireCaseFile",
86 psppire_case_file_class_init (PsppireCaseFileClass *class)
88 GObjectClass *object_class = G_OBJECT_CLASS (class);
90 parent_class = g_type_class_peek_parent (class);
92 object_class->finalize = psppire_case_file_finalize;
94 signals [CASE_CHANGED] =
95 g_signal_new ("case_changed",
96 G_TYPE_FROM_CLASS (class),
100 g_cclosure_marshal_VOID__INT,
106 signals [CASE_INSERTED] =
107 g_signal_new ("case_inserted",
108 G_TYPE_FROM_CLASS (class),
112 g_cclosure_marshal_VOID__INT,
118 signals [CASES_DELETED] =
119 g_signal_new ("cases_deleted",
120 G_TYPE_FROM_CLASS (class),
124 gtkextra_VOID__INT_INT,
127 G_TYPE_INT, G_TYPE_INT);
131 psppire_case_file_finalize (GObject *object)
133 PsppireCaseFile *cf = PSPPIRE_CASE_FILE (object);
136 casefile_destroy (cf->flexifile);
138 G_OBJECT_CLASS (parent_class)->finalize (object);
142 psppire_case_file_init (PsppireCaseFile *cf)
149 * psppire_case_file_new:
150 * @returns: a new #PsppireCaseFile object
152 * Creates a new #PsppireCaseFile.
155 psppire_case_file_new (void)
157 PsppireCaseFile *cf = g_object_new (G_TYPE_PSPPIRE_CASE_FILE, NULL);
159 cf->flexifile = flexifile_create (0);
166 psppire_case_file_replace_flexifile (PsppireCaseFile *cf, struct flexifile *ff)
168 cf->flexifile = (struct casefile *) ff;
174 psppire_case_file_delete_cases (PsppireCaseFile *cf, gint n_cases, gint first)
178 g_return_val_if_fail (cf, FALSE);
179 g_return_val_if_fail (cf->flexifile, FALSE);
181 result = flexifile_delete_cases (FLEXIFILE (cf->flexifile), n_cases, first);
183 g_signal_emit (cf, signals [CASES_DELETED], 0, n_cases, first);
188 /* Insert case CC into the case file before POSN */
190 psppire_case_file_insert_case (PsppireCaseFile *cf,
196 g_return_val_if_fail (cf, FALSE);
197 g_return_val_if_fail (cf->flexifile, FALSE);
199 result = flexifile_insert_case (FLEXIFILE (cf->flexifile), cc, posn);
202 g_signal_emit (cf, signals [CASE_INSERTED], 0, posn);
204 g_warning ("Cannot insert case at position %d\n", posn);
210 /* Append a case to the case file */
212 psppire_case_file_append_case (PsppireCaseFile *cf,
218 g_return_val_if_fail (cf, FALSE);
219 g_return_val_if_fail (cf->flexifile, FALSE);
221 posn = casefile_get_case_cnt (cf->flexifile);
223 result = casefile_append (cf->flexifile, c);
225 g_signal_emit (cf, signals [CASE_INSERTED], 0, posn);
232 psppire_case_file_get_case_count (const PsppireCaseFile *cf)
234 g_return_val_if_fail (cf, FALSE);
236 if ( ! cf->flexifile)
239 return casefile_get_case_cnt (cf->flexifile);
242 /* Return the IDXth value from case CASENUM.
243 The return value must not be freed or written to
246 psppire_case_file_get_value (const PsppireCaseFile *cf, gint casenum, gint idx)
248 const union value *v;
251 g_return_val_if_fail (cf, NULL);
252 g_return_val_if_fail (cf->flexifile, NULL);
254 g_return_val_if_fail (idx < casefile_get_value_cnt (cf->flexifile), NULL);
256 flexifile_get_case (FLEXIFILE (cf->flexifile), casenum, &c);
258 v = case_data_idx (&c, idx);
265 psppire_case_file_clear (PsppireCaseFile *cf)
267 casefile_destroy (cf->flexifile);
269 g_signal_emit (cf, signals [CASES_DELETED], 0, 0, -1);
272 /* Set the IDXth value of case C to SYSMIS/EMPTY */
274 psppire_case_file_set_value (PsppireCaseFile *cf, gint casenum, gint idx,
275 union value *v, gint width)
280 g_return_val_if_fail (cf, FALSE);
281 g_return_val_if_fail (cf->flexifile, FALSE);
283 g_return_val_if_fail (idx < casefile_get_value_cnt (cf->flexifile), FALSE);
285 if ( ! flexifile_get_case (FLEXIFILE (cf->flexifile), casenum, &cc) )
289 bytes = MAX_SHORT_STRING;
291 bytes = DIV_RND_UP (width, MAX_SHORT_STRING) * MAX_SHORT_STRING ;
293 /* Cast away const in flagrant abuse of the casefile */
294 memcpy ((union value *)case_data_idx (&cc, idx), v, bytes);
296 g_signal_emit (cf, signals [CASE_CHANGED], 0, casenum);
303 /* Set the IDXth value of case C using D_IN */
305 psppire_case_file_data_in (PsppireCaseFile *cf, gint casenum, gint idx,
306 struct substring input, const struct fmt_spec *fmt)
310 g_return_val_if_fail (cf, FALSE);
311 g_return_val_if_fail (cf->flexifile, FALSE);
313 g_return_val_if_fail (idx < casefile_get_value_cnt (cf->flexifile), FALSE);
315 if ( ! flexifile_get_case (FLEXIFILE (cf->flexifile), casenum, &cc) )
318 /* Cast away const in flagrant abuse of the casefile */
319 if (!data_in (input, fmt->type, 0, 0,
320 (union value *) case_data_idx (&cc, idx), fmt_var_width (fmt)))
321 g_warning ("Cant set value\n");
323 g_signal_emit (cf, signals [CASE_CHANGED], 0, casenum);
330 psppire_case_file_sort (PsppireCaseFile *cf, const struct sort_criteria *sc)
334 struct casereader *reader = casefile_get_reader (cf->flexifile, NULL);
335 struct casefile *cfile;
337 struct casefile_factory *factory = flexifile_factory_create ();
339 cfile = sort_execute (reader, sc, factory);
341 casefile_destroy (cf->flexifile);
343 cf->flexifile = cfile;
345 /* FIXME: Need to have a signal to change a range of cases, instead of
346 calling a signal many times */
347 for ( c = 0 ; c < casefile_get_case_cnt (cf->flexifile) ; ++c )
348 g_signal_emit (cf, signals [CASE_CHANGED], 0, c);
350 flexifile_factory_destroy (factory);
354 /* Resize the cases in the casefile, by inserting N_VALUES into every
357 psppire_case_file_insert_values (PsppireCaseFile *cf,
358 gint n_values, gint before)
360 g_return_val_if_fail (cf, FALSE);
362 if ( ! cf->flexifile )
364 cf->flexifile = flexifile_create (n_values);
369 return flexifile_resize (FLEXIFILE (cf->flexifile), n_values, before);
372 /* Fills C with the CASENUMth case.
373 Returns true on success, false otherwise.
376 psppire_case_file_get_case (const PsppireCaseFile *cf, gint casenum,
379 g_return_val_if_fail (cf, FALSE);
380 g_return_val_if_fail (cf->flexifile, FALSE);
382 return flexifile_get_case (FLEXIFILE (cf->flexifile), casenum, c);