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/dialog-common.h"
39 #include "ui/gui/executor.h"
40 #include "ui/gui/helper.h"
41 #include "ui/gui/builder-wrapper.h"
42 #include "ui/gui/psppire-data-window.h"
43 #include "ui/gui/psppire-dialog.h"
44 #include "ui/gui/psppire-encoding-selector.h"
45 #include "ui/gui/psppire-empty-list-store.h"
46 #include "ui/gui/psppire-var-sheet.h"
47 #include "ui/gui/psppire-scanf.h"
49 #include "gl/intprops.h"
50 #include "gl/xalloc.h"
53 #define _(msgid) gettext (msgid)
54 #define N_(msgid) msgid
56 /* Page where the user verifies and adjusts input formats. */
60 PsppSheetView *data_tree_view;
61 PsppireDict *psppire_dict;
62 struct variable **modified_vars;
63 size_t modified_var_cnt;
66 /* The "formats" page of the assistant. */
68 static void on_variable_change (PsppireDict *dict, int idx,
70 const struct variable *oldvar,
71 struct import_assistant *);
73 static void clear_modified_vars (struct import_assistant *);
75 /* Initializes IA's formats substructure. */
78 formats_page_create (struct import_assistant *ia)
80 GtkBuilder *builder = ia->asst.builder;
81 struct formats_page *p = xzalloc (sizeof *p);
83 p->page = add_page_to_assistant (ia, get_widget_assert (builder, "Formats"),
84 GTK_ASSISTANT_PAGE_CONFIRM);
86 p->data_tree_view = PSPP_SHEET_VIEW (get_widget_assert (builder, "data"));
87 p->modified_vars = NULL;
88 p->modified_var_cnt = 0;
93 /* Frees IA's formats substructure. */
95 destroy_formats_page (struct import_assistant *ia)
97 struct formats_page *p = ia->formats;
99 if (p->psppire_dict != NULL)
101 dict_destroy (p->psppire_dict->dict);
102 g_object_unref (p->psppire_dict);
104 clear_modified_vars (ia);
107 /* Called just before the formats page of the assistant is
110 prepare_formats_page (struct import_assistant *ia)
112 struct dictionary *dict;
113 PsppireDict *psppire_dict;
114 GtkBin *vars_scroller;
115 GtkWidget *old_var_sheet;
116 PsppireVarSheet *var_sheet;
117 struct formats_page *p = ia->formats;
118 struct fmt_guesser *fg;
119 unsigned long int number = 0;
122 push_watch_cursor (ia);
124 dict = dict_create (get_default_encoding ());
125 fg = fmt_guesser_create ();
126 for (column_idx = 0; column_idx < ia->column_cnt; column_idx++)
128 struct variable *modified_var =
129 (column_idx < p->modified_var_cnt ? p->modified_vars[column_idx] : NULL);
130 if (modified_var == NULL)
132 struct column *column = &ia->columns[column_idx];
133 struct variable *var;
134 struct fmt_spec format;
138 /* Choose variable name. */
139 name = dict_make_unique_var_name (dict, column->name, &number);
141 /* Choose variable format. */
142 fmt_guesser_clear (fg);
143 for (row = ia->skip_lines; row < ia->file.line_cnt; row++)
144 fmt_guesser_add (fg, column->contents[row]);
145 fmt_guesser_guess (fg, &format);
146 fmt_fix_input (&format);
148 /* Create variable. */
149 var = dict_create_var_assert (dict, name, fmt_var_width (&format));
150 var_set_both_formats (var, &format);
158 name = dict_make_unique_var_name (dict, var_get_name (modified_var),
160 dict_clone_var_as_assert (dict, modified_var, name);
164 fmt_guesser_destroy (fg);
166 psppire_dict = psppire_dict_new_from_dict (dict);
167 g_signal_connect (psppire_dict, "variable-changed",
168 G_CALLBACK (on_variable_change), ia);
170 ia->formats->psppire_dict = psppire_dict;
172 /* XXX: PsppireVarStore doesn't hold a reference to
173 psppire_dict for now, but it should. After it does, we
174 should g_object_ref the psppire_dict here, since we also
175 hold a reference via ia->formats->dict. */
176 var_sheet = PSPPIRE_VAR_SHEET (psppire_var_sheet_new ());
177 g_object_set (var_sheet,
178 "dictionary", psppire_dict,
179 "may-create-vars", FALSE,
180 "may-delete-vars", FALSE,
181 "format-use", FMT_FOR_INPUT,
182 "enable-grid-lines", PSPP_SHEET_VIEW_GRID_LINES_BOTH,
185 vars_scroller = GTK_BIN (get_widget_assert (ia->asst.builder, "vars-scroller"));
186 old_var_sheet = gtk_bin_get_child (vars_scroller);
187 if (old_var_sheet != NULL)
188 gtk_widget_destroy (old_var_sheet);
189 gtk_container_add (GTK_CONTAINER (vars_scroller), GTK_WIDGET (var_sheet));
190 gtk_widget_show (GTK_WIDGET (var_sheet));
192 gtk_widget_destroy (GTK_WIDGET (ia->formats->data_tree_view));
193 ia->formats->data_tree_view = create_data_tree_view (
195 GTK_CONTAINER (get_widget_assert (ia->asst.builder, "data-scroller")),
198 gtk_widget_show (ia->asst.paste_button);
200 pop_watch_cursor (ia);
203 /* Clears the set of user-modified variables from IA's formats
204 substructure. This discards user modifications to variable
205 formats, thereby causing formats to revert to their
208 clear_modified_vars (struct import_assistant *ia)
210 struct formats_page *p = ia->formats;
213 for (i = 0; i < p->modified_var_cnt; i++)
214 var_destroy (p->modified_vars[i]);
215 free (p->modified_vars);
216 p->modified_vars = NULL;
217 p->modified_var_cnt = 0;
220 /* Resets the formats page to its defaults, discarding user
223 reset_formats_page (struct import_assistant *ia)
225 clear_modified_vars (ia);
226 prepare_formats_page (ia);
231 /* Called when the user changes one of the variables in the
234 on_variable_change (PsppireDict *dict, int dict_idx,
235 unsigned int what, const struct variable *oldvar,
236 struct import_assistant *ia)
238 struct formats_page *p = ia->formats;
239 PsppSheetView *tv = ia->formats->data_tree_view;
240 gint column_idx = dict_idx + 1;
242 push_watch_cursor (ia);
244 /* Remove previous column and replace with new column. */
245 pspp_sheet_view_remove_column (tv, pspp_sheet_view_get_column (tv, column_idx));
246 pspp_sheet_view_insert_column (tv, make_data_column (ia, tv, false, dict_idx),
249 /* Save a copy of the modified variable in modified_vars, so
250 that its attributes will be preserved if we back up to the
251 previous page with the Prev button and then come back
253 if (dict_idx >= p->modified_var_cnt)
256 p->modified_vars = xnrealloc (p->modified_vars, dict_idx + 1,
257 sizeof *p->modified_vars);
258 for (i = 0; i <= dict_idx; i++)
259 p->modified_vars[i] = NULL;
260 p->modified_var_cnt = dict_idx + 1;
262 if (p->modified_vars[dict_idx])
263 var_destroy (p->modified_vars[dict_idx]);
264 p->modified_vars[dict_idx]
265 = var_clone (psppire_dict_get_variable (dict, dict_idx));
267 pop_watch_cursor (ia);
274 formats_append_syntax (const struct import_assistant *ia, struct string *s)
278 ds_put_cstr (s, " /VARIABLES=\n");
280 var_cnt = dict_get_var_cnt (ia->dict);
281 for (i = 0; i < var_cnt; i++)
283 struct variable *var = dict_get_var (ia->dict, i);
284 char format_string[FMT_STRING_LEN_MAX + 1];
285 fmt_to_string (var_get_print_format (var), format_string);
286 ds_put_format (s, " %s %s%s\n",
287 var_get_name (var), format_string,
288 i == var_cnt - 1 ? "." : "");