1 /* PSPPIRE - a graphical user interface for PSPP.
2 Copyright (C) 2008, 2009, 2010, 2011, 2012, 2013 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/>. */
19 #include "ui/gui/text-data-import-dialog.h"
28 #include "data/data-in.h"
29 #include "data/data-out.h"
30 #include "data/format-guesser.h"
31 #include "data/value-labels.h"
32 #include "language/data-io/data-parser.h"
33 #include "language/lexer/lexer.h"
34 #include "libpspp/assertion.h"
35 #include "libpspp/i18n.h"
36 #include "libpspp/line-reader.h"
37 #include "libpspp/message.h"
38 #include "ui/gui/checkbox-treeview.h"
39 #include "ui/gui/dialog-common.h"
40 #include "ui/gui/executor.h"
41 #include "ui/gui/helper.h"
42 #include "ui/gui/builder-wrapper.h"
43 #include "ui/gui/psppire-data-window.h"
44 #include "ui/gui/psppire-dialog.h"
45 #include "ui/gui/psppire-encoding-selector.h"
46 #include "ui/gui/psppire-empty-list-store.h"
47 #include "ui/gui/psppire-var-sheet.h"
48 #include "ui/gui/psppire-scanf.h"
50 #include "gl/intprops.h"
51 #include "gl/xalloc.h"
54 #define _(msgid) gettext (msgid)
55 #define N_(msgid) msgid
57 /* Page where the user verifies and adjusts input formats. */
61 PsppSheetView *data_tree_view;
62 PsppireDict *psppire_dict;
63 struct variable **modified_vars;
64 size_t modified_var_cnt;
67 /* The "formats" page of the assistant. */
69 static void on_variable_change (PsppireDict *dict, int idx,
71 const struct variable *oldvar,
72 struct import_assistant *);
74 static void clear_modified_vars (struct import_assistant *);
76 /* Initializes IA's formats substructure. */
79 formats_page_create (struct import_assistant *ia)
81 GtkBuilder *builder = ia->asst.builder;
82 struct formats_page *p = xzalloc (sizeof *p);
84 p->page = add_page_to_assistant (ia, get_widget_assert (builder, "Formats"),
85 GTK_ASSISTANT_PAGE_CONFIRM);
87 p->data_tree_view = PSPP_SHEET_VIEW (get_widget_assert (builder, "data"));
88 p->modified_vars = NULL;
89 p->modified_var_cnt = 0;
94 /* Frees IA's formats substructure. */
96 destroy_formats_page (struct import_assistant *ia)
98 struct formats_page *p = ia->formats;
100 if (p->psppire_dict != NULL)
102 dict_destroy (p->psppire_dict->dict);
103 g_object_unref (p->psppire_dict);
105 clear_modified_vars (ia);
108 /* Called just before the formats page of the assistant is
111 prepare_formats_page (struct import_assistant *ia)
113 struct dictionary *dict;
114 PsppireDict *psppire_dict;
115 GtkBin *vars_scroller;
116 GtkWidget *old_var_sheet;
117 PsppireVarSheet *var_sheet;
118 struct formats_page *p = ia->formats;
119 struct fmt_guesser *fg;
120 unsigned long int number = 0;
123 push_watch_cursor (ia);
125 dict = dict_create (get_default_encoding ());
126 fg = fmt_guesser_create ();
127 for (column_idx = 0; column_idx < ia->column_cnt; column_idx++)
129 struct variable *modified_var =
130 (column_idx < p->modified_var_cnt ? p->modified_vars[column_idx] : NULL);
131 if (modified_var == NULL)
133 struct column *column = &ia->columns[column_idx];
134 struct variable *var;
135 struct fmt_spec format;
139 /* Choose variable name. */
140 name = dict_make_unique_var_name (dict, column->name, &number);
142 /* Choose variable format. */
143 fmt_guesser_clear (fg);
144 for (row = ia->skip_lines; row < ia->file.line_cnt; row++)
145 fmt_guesser_add (fg, column->contents[row]);
146 fmt_guesser_guess (fg, &format);
147 fmt_fix_input (&format);
149 /* Create variable. */
150 var = dict_create_var_assert (dict, name, fmt_var_width (&format));
151 var_set_both_formats (var, &format);
159 name = dict_make_unique_var_name (dict, var_get_name (modified_var),
161 dict_clone_var_as_assert (dict, modified_var, name);
165 fmt_guesser_destroy (fg);
167 psppire_dict = psppire_dict_new_from_dict (dict);
168 g_signal_connect (psppire_dict, "variable-changed",
169 G_CALLBACK (on_variable_change), ia);
171 ia->formats->psppire_dict = psppire_dict;
173 /* XXX: PsppireVarStore doesn't hold a reference to
174 psppire_dict for now, but it should. After it does, we
175 should g_object_ref the psppire_dict here, since we also
176 hold a reference via ia->formats->dict. */
177 var_sheet = PSPPIRE_VAR_SHEET (psppire_var_sheet_new ());
178 g_object_set (var_sheet,
179 "dictionary", psppire_dict,
180 "may-create-vars", FALSE,
181 "may-delete-vars", FALSE,
182 "format-use", FMT_FOR_INPUT,
183 "enable-grid-lines", PSPP_SHEET_VIEW_GRID_LINES_BOTH,
186 vars_scroller = GTK_BIN (get_widget_assert (ia->asst.builder, "vars-scroller"));
187 old_var_sheet = gtk_bin_get_child (vars_scroller);
188 if (old_var_sheet != NULL)
189 gtk_widget_destroy (old_var_sheet);
190 gtk_container_add (GTK_CONTAINER (vars_scroller), GTK_WIDGET (var_sheet));
191 gtk_widget_show (GTK_WIDGET (var_sheet));
193 gtk_widget_destroy (GTK_WIDGET (ia->formats->data_tree_view));
194 ia->formats->data_tree_view = create_data_tree_view (
196 GTK_CONTAINER (get_widget_assert (ia->asst.builder, "data-scroller")),
199 gtk_widget_show (ia->asst.paste_button);
201 pop_watch_cursor (ia);
204 /* Clears the set of user-modified variables from IA's formats
205 substructure. This discards user modifications to variable
206 formats, thereby causing formats to revert to their
209 clear_modified_vars (struct import_assistant *ia)
211 struct formats_page *p = ia->formats;
214 for (i = 0; i < p->modified_var_cnt; i++)
215 var_destroy (p->modified_vars[i]);
216 free (p->modified_vars);
217 p->modified_vars = NULL;
218 p->modified_var_cnt = 0;
221 /* Resets the formats page to its defaults, discarding user
224 reset_formats_page (struct import_assistant *ia)
226 clear_modified_vars (ia);
227 prepare_formats_page (ia);
232 /* Called when the user changes one of the variables in the
235 on_variable_change (PsppireDict *dict, int dict_idx,
236 unsigned int what, const struct variable *oldvar,
237 struct import_assistant *ia)
239 struct formats_page *p = ia->formats;
240 PsppSheetView *tv = ia->formats->data_tree_view;
241 gint column_idx = dict_idx + 1;
243 push_watch_cursor (ia);
245 /* Remove previous column and replace with new column. */
246 pspp_sheet_view_remove_column (tv, pspp_sheet_view_get_column (tv, column_idx));
247 pspp_sheet_view_insert_column (tv, make_data_column (ia, tv, false, dict_idx),
250 /* Save a copy of the modified variable in modified_vars, so
251 that its attributes will be preserved if we back up to the
252 previous page with the Prev button and then come back
254 if (dict_idx >= p->modified_var_cnt)
257 p->modified_vars = xnrealloc (p->modified_vars, dict_idx + 1,
258 sizeof *p->modified_vars);
259 for (i = 0; i <= dict_idx; i++)
260 p->modified_vars[i] = NULL;
261 p->modified_var_cnt = dict_idx + 1;
263 if (p->modified_vars[dict_idx])
264 var_destroy (p->modified_vars[dict_idx]);
265 p->modified_vars[dict_idx]
266 = var_clone (psppire_dict_get_variable (dict, dict_idx));
268 pop_watch_cursor (ia);
275 formats_append_syntax (const struct import_assistant *ia, struct string *s)
279 ds_put_cstr (s, " /VARIABLES=\n");
281 var_cnt = dict_get_var_cnt (ia->dict);
282 for (i = 0; i < var_cnt; i++)
284 struct variable *var = dict_get_var (ia->dict, i);
285 char format_string[FMT_STRING_LEN_MAX + 1];
286 fmt_to_string (var_get_print_format (var), format_string);
287 ds_put_format (s, " %s %s%s\n",
288 var_get_name (var), format_string,
289 i == var_cnt - 1 ? "." : "");