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"
23 #include <gtk-contrib/psppire-sheet.h>
29 #include "data/data-in.h"
30 #include "data/data-out.h"
31 #include "data/format-guesser.h"
32 #include "data/value-labels.h"
33 #include "language/data-io/data-parser.h"
34 #include "language/lexer/lexer.h"
35 #include "libpspp/assertion.h"
36 #include "libpspp/i18n.h"
37 #include "libpspp/line-reader.h"
38 #include "libpspp/message.h"
39 #include "ui/gui/checkbox-treeview.h"
40 #include "ui/gui/dialog-common.h"
41 #include "ui/gui/executor.h"
42 #include "ui/gui/helper.h"
43 #include "ui/gui/builder-wrapper.h"
44 #include "ui/gui/psppire-data-window.h"
45 #include "ui/gui/psppire-dialog.h"
46 #include "ui/gui/psppire-encoding-selector.h"
47 #include "ui/gui/psppire-empty-list-store.h"
48 #include "ui/gui/psppire-var-sheet.h"
49 #include "ui/gui/psppire-var-store.h"
50 #include "ui/gui/psppire-scanf.h"
51 #include "ui/syntax-gen.h"
54 #include "gl/intprops.h"
55 #include "gl/xalloc.h"
58 #define _(msgid) gettext (msgid)
59 #define N_(msgid) msgid
61 /* The "formats" page of the assistant. */
63 static void on_variable_change (PsppireDict *dict, int idx,
64 struct import_assistant *);
65 static void clear_modified_vars (struct import_assistant *);
67 /* Initializes IA's formats substructure. */
69 init_formats_page (struct import_assistant *ia)
71 GtkBuilder *builder = ia->asst.builder;
72 struct formats_page *p = &ia->formats;
74 p->page = add_page_to_assistant (ia, get_widget_assert (builder, "Formats"),
75 GTK_ASSISTANT_PAGE_CONFIRM);
76 p->data_tree_view = GTK_TREE_VIEW (get_widget_assert (builder, "data"));
77 p->modified_vars = NULL;
78 p->modified_var_cnt = 0;
82 /* Frees IA's formats substructure. */
84 destroy_formats_page (struct import_assistant *ia)
86 struct formats_page *p = &ia->formats;
88 if (p->psppire_dict != NULL)
90 dict_destroy (p->psppire_dict->dict);
91 g_object_unref (p->psppire_dict);
93 clear_modified_vars (ia);
96 /* Called just before the formats page of the assistant is
99 prepare_formats_page (struct import_assistant *ia)
101 struct dictionary *dict;
102 PsppireDict *psppire_dict;
103 PsppireVarStore *var_store;
104 GtkBin *vars_scroller;
105 GtkWidget *old_var_sheet;
106 PsppireVarSheet *var_sheet;
107 struct separators_page *s = &ia->separators;
108 struct formats_page *p = &ia->formats;
109 struct fmt_guesser *fg;
110 unsigned long int number = 0;
113 push_watch_cursor (ia);
115 dict = dict_create (get_default_encoding ());
116 fg = fmt_guesser_create ();
117 for (column_idx = 0; column_idx < s->column_cnt; column_idx++)
119 struct variable *modified_var;
121 modified_var = (column_idx < p->modified_var_cnt
122 ? p->modified_vars[column_idx] : NULL);
123 if (modified_var == NULL)
125 struct column *column = &s->columns[column_idx];
126 struct variable *var;
127 struct fmt_spec format;
131 /* Choose variable name. */
132 name = dict_make_unique_var_name (dict, column->name, &number);
134 /* Choose variable format. */
135 fmt_guesser_clear (fg);
136 for (row = ia->first_line.skip_lines; row < ia->file.line_cnt; row++)
137 fmt_guesser_add (fg, column->contents[row]);
138 fmt_guesser_guess (fg, &format);
139 fmt_fix_input (&format);
141 /* Create variable. */
142 var = dict_create_var_assert (dict, name, fmt_var_width (&format));
143 var_set_both_formats (var, &format);
151 name = dict_make_unique_var_name (dict, var_get_name (modified_var),
153 dict_clone_var_as_assert (dict, modified_var, name);
157 fmt_guesser_destroy (fg);
159 psppire_dict = psppire_dict_new_from_dict (dict);
160 g_signal_connect (psppire_dict, "variable_changed",
161 G_CALLBACK (on_variable_change), ia);
162 ia->formats.dict = dict;
163 ia->formats.psppire_dict = psppire_dict;
165 /* XXX: PsppireVarStore doesn't hold a reference to
166 psppire_dict for now, but it should. After it does, we
167 should g_object_ref the psppire_dict here, since we also
168 hold a reference via ia->formats.dict. */
169 var_store = psppire_var_store_new (psppire_dict);
170 g_object_set (var_store,
171 "format-type", PSPPIRE_VAR_STORE_INPUT_FORMATS,
173 var_sheet = PSPPIRE_VAR_SHEET (psppire_var_sheet_new ());
174 g_object_set (var_sheet,
176 "may-create-vars", FALSE,
179 vars_scroller = GTK_BIN (get_widget_assert (ia->asst.builder, "vars-scroller"));
180 old_var_sheet = gtk_bin_get_child (vars_scroller);
181 if (old_var_sheet != NULL)
182 gtk_widget_destroy (old_var_sheet);
183 gtk_container_add (GTK_CONTAINER (vars_scroller), GTK_WIDGET (var_sheet));
184 gtk_widget_show (GTK_WIDGET (var_sheet));
186 gtk_widget_destroy (GTK_WIDGET (ia->formats.data_tree_view));
187 ia->formats.data_tree_view = create_data_tree_view (
189 GTK_CONTAINER (get_widget_assert (ia->asst.builder, "data-scroller")),
192 pop_watch_cursor (ia);
195 /* Clears the set of user-modified variables from IA's formats
196 substructure. This discards user modifications to variable
197 formats, thereby causing formats to revert to their
200 clear_modified_vars (struct import_assistant *ia)
202 struct formats_page *p = &ia->formats;
205 for (i = 0; i < p->modified_var_cnt; i++)
206 var_destroy (p->modified_vars[i]);
207 free (p->modified_vars);
208 p->modified_vars = NULL;
209 p->modified_var_cnt = 0;
212 /* Resets the formats page to its defaults, discarding user
215 reset_formats_page (struct import_assistant *ia)
217 clear_modified_vars (ia);
218 prepare_formats_page (ia);
223 /* Called when the user changes one of the variables in the
226 on_variable_change (PsppireDict *dict, int dict_idx,
227 struct import_assistant *ia)
229 struct formats_page *p = &ia->formats;
230 GtkTreeView *tv = ia->formats.data_tree_view;
231 gint column_idx = dict_idx + 1;
233 push_watch_cursor (ia);
235 /* Remove previous column and replace with new column. */
236 gtk_tree_view_remove_column (tv, gtk_tree_view_get_column (tv, column_idx));
237 gtk_tree_view_insert_column (tv, make_data_column (ia, tv, false, dict_idx),
240 /* Save a copy of the modified variable in modified_vars, so
241 that its attributes will be preserved if we back up to the
242 previous page with the Prev button and then come back
244 if (dict_idx >= p->modified_var_cnt)
247 p->modified_vars = xnrealloc (p->modified_vars, dict_idx + 1,
248 sizeof *p->modified_vars);
249 for (i = 0; i <= dict_idx; i++)
250 p->modified_vars[i] = NULL;
251 p->modified_var_cnt = dict_idx + 1;
253 if (p->modified_vars[dict_idx])
254 var_destroy (p->modified_vars[dict_idx]);
255 p->modified_vars[dict_idx]
256 = var_clone (psppire_dict_get_variable (dict, dict_idx));
258 pop_watch_cursor (ia);