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 *seps = 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 printf ("%s:%d Column count %d\n", __FILE__, __LINE__, seps->column_cnt);
118 for (column_idx = 0; column_idx < seps->column_cnt; column_idx++)
120 struct variable *modified_var;
122 modified_var = (column_idx < p->modified_var_cnt
123 ? p->modified_vars[column_idx] : NULL);
124 if (modified_var == NULL)
126 struct column *column = &seps->columns[column_idx];
127 struct variable *var;
128 struct fmt_spec format;
132 /* Choose variable name. */
133 name = dict_make_unique_var_name (dict, column->name, &number);
135 /* Choose variable format. */
136 fmt_guesser_clear (fg);
137 for (row = ia->first_line->skip_lines; row < ia->file.line_cnt; row++)
138 fmt_guesser_add (fg, column->contents[row]);
139 fmt_guesser_guess (fg, &format);
140 fmt_fix_input (&format);
142 /* Create variable. */
143 var = dict_create_var_assert (dict, name, fmt_var_width (&format));
144 var_set_both_formats (var, &format);
152 name = dict_make_unique_var_name (dict, var_get_name (modified_var),
154 dict_clone_var_as_assert (dict, modified_var, name);
158 fmt_guesser_destroy (fg);
160 psppire_dict = psppire_dict_new_from_dict (dict);
161 g_signal_connect (psppire_dict, "variable_changed",
162 G_CALLBACK (on_variable_change), ia);
163 ia->formats->dict = dict;
164 ia->formats->psppire_dict = psppire_dict;
166 /* XXX: PsppireVarStore doesn't hold a reference to
167 psppire_dict for now, but it should. After it does, we
168 should g_object_ref the psppire_dict here, since we also
169 hold a reference via ia->formats->dict. */
170 var_store = psppire_var_store_new (psppire_dict);
171 g_object_set (var_store,
172 "format-type", PSPPIRE_VAR_STORE_INPUT_FORMATS,
174 var_sheet = PSPPIRE_VAR_SHEET (psppire_var_sheet_new ());
175 g_object_set (var_sheet,
177 "may-create-vars", FALSE,
180 vars_scroller = GTK_BIN (get_widget_assert (ia->asst.builder, "vars-scroller"));
181 old_var_sheet = gtk_bin_get_child (vars_scroller);
182 if (old_var_sheet != NULL)
183 gtk_widget_destroy (old_var_sheet);
184 gtk_container_add (GTK_CONTAINER (vars_scroller), GTK_WIDGET (var_sheet));
185 gtk_widget_show (GTK_WIDGET (var_sheet));
187 gtk_widget_destroy (GTK_WIDGET (ia->formats->data_tree_view));
188 ia->formats->data_tree_view = create_data_tree_view (
190 GTK_CONTAINER (get_widget_assert (ia->asst.builder, "data-scroller")),
193 pop_watch_cursor (ia);
196 /* Clears the set of user-modified variables from IA's formats
197 substructure. This discards user modifications to variable
198 formats, thereby causing formats to revert to their
201 clear_modified_vars (struct import_assistant *ia)
203 struct formats_page *p = ia->formats;
206 for (i = 0; i < p->modified_var_cnt; i++)
207 var_destroy (p->modified_vars[i]);
208 free (p->modified_vars);
209 p->modified_vars = NULL;
210 p->modified_var_cnt = 0;
213 /* Resets the formats page to its defaults, discarding user
216 reset_formats_page (struct import_assistant *ia)
218 clear_modified_vars (ia);
219 prepare_formats_page (ia);
224 /* Called when the user changes one of the variables in the
227 on_variable_change (PsppireDict *dict, int dict_idx,
228 struct import_assistant *ia)
230 struct formats_page *p = ia->formats;
231 GtkTreeView *tv = ia->formats->data_tree_view;
232 gint column_idx = dict_idx + 1;
234 push_watch_cursor (ia);
236 /* Remove previous column and replace with new column. */
237 gtk_tree_view_remove_column (tv, gtk_tree_view_get_column (tv, column_idx));
238 gtk_tree_view_insert_column (tv, make_data_column (ia, tv, false, dict_idx),
241 /* Save a copy of the modified variable in modified_vars, so
242 that its attributes will be preserved if we back up to the
243 previous page with the Prev button and then come back
245 if (dict_idx >= p->modified_var_cnt)
248 p->modified_vars = xnrealloc (p->modified_vars, dict_idx + 1,
249 sizeof *p->modified_vars);
250 for (i = 0; i <= dict_idx; i++)
251 p->modified_vars[i] = NULL;
252 p->modified_var_cnt = dict_idx + 1;
254 if (p->modified_vars[dict_idx])
255 var_destroy (p->modified_vars[dict_idx]);
256 p->modified_vars[dict_idx]
257 = var_clone (psppire_dict_get_variable (dict, dict_idx));
259 pop_watch_cursor (ia);