1 /* PSPPIRE - a graphical user interface for PSPP.
2 Copyright (C) 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 "page-sheet-spec.h"
21 #include "ui/gui/text-data-import-dialog.h"
30 #include "data/data-in.h"
31 #include "data/data-out.h"
32 #include "data/format-guesser.h"
33 #include "data/value-labels.h"
34 #include "data/gnumeric-reader.h"
35 #include "data/ods-reader.h"
36 #include "data/spreadsheet-reader.h"
37 #include "language/data-io/data-parser.h"
38 #include "language/lexer/lexer.h"
39 #include "libpspp/assertion.h"
40 #include "libpspp/i18n.h"
41 #include "libpspp/line-reader.h"
42 #include "libpspp/message.h"
43 #include "ui/gui/checkbox-treeview.h"
44 #include "ui/gui/dialog-common.h"
45 #include "ui/gui/executor.h"
46 #include "ui/gui/helper.h"
47 #include "ui/gui/builder-wrapper.h"
48 #include "ui/gui/psppire-data-window.h"
49 #include "ui/gui/psppire-dialog.h"
50 #include "ui/gui/psppire-encoding-selector.h"
51 #include "ui/gui/psppire-empty-list-store.h"
52 #include "ui/gui/psppire-var-sheet.h"
53 #include "ui/gui/psppire-scanf.h"
54 #include "ui/syntax-gen.h"
56 #include "ui/gui/psppire-spreadsheet-model.h"
58 #include <data/casereader.h>
61 #include "gl/intprops.h"
62 #include "gl/xalloc.h"
65 #define _(msgid) gettext (msgid)
66 #define N_(msgid) msgid
68 struct import_assistant;
70 /* The "sheet-spec" page of the assistant. */
72 /* The sheet_spec page of the assistant (only relevant for spreadsheet imports). */
73 struct sheet_spec_page
76 struct casereader *reader;
77 struct dictionary *dict;
79 struct spreadsheet_read_options opts;
84 sheet_spec_gen_syntax (const struct import_assistant *ia)
86 const struct sheet_spec_page *ssp = ia->sheet_spec;
87 GtkBuilder *builder = ia->asst.builder;
88 GtkWidget *range_entry = get_widget_assert (builder, "cell-range-entry");
89 const gchar *range = gtk_entry_get_text (GTK_ENTRY (range_entry));
91 struct string s = DS_EMPTY_INITIALIZER;
99 (ia->spreadsheet->type == SPREADSHEET_GNUMERIC) ? "GNM" : "ODS",
101 ssp->opts.sheet_index,
102 ssp->opts.read_names ? "ON" : "OFF");
105 if (range && 0 != strcmp ("", range))
108 "\n /CELLRANGE=RANGE %sq", range);
113 "\n /CELLRANGE=FULL");
117 syntax_gen_pspp (&s, ".");
125 on_sheet_combo_changed (GtkComboBox *cb, struct import_assistant *ia)
129 GtkTreeModel *model = gtk_combo_box_get_model (cb);
130 GtkBuilder *builder = ia->asst.builder;
131 GtkWidget *range_entry = get_widget_assert (builder, "cell-range-entry");
133 gtk_combo_box_get_active_iter (cb, &iter);
134 gtk_tree_model_get (model, &iter, PSPPIRE_SPREADSHEET_MODEL_COL_RANGE, &range, -1);
135 gtk_entry_set_text (GTK_ENTRY (range_entry), range ? range : "");
139 /* Initializes IA's sheet_spec substructure. */
140 struct sheet_spec_page *
141 sheet_spec_page_create (struct import_assistant *ia)
143 GtkBuilder *builder = ia->asst.builder;
144 struct sheet_spec_page *p = xzalloc (sizeof (*p));
146 GtkWidget *combo_box = get_widget_assert (builder, "sheet-entry");
147 GtkCellRenderer *renderer = gtk_cell_renderer_text_new ();
148 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo_box), renderer, TRUE);
149 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo_box), renderer,
153 g_signal_connect (combo_box, "changed", G_CALLBACK (on_sheet_combo_changed), ia);
155 add_page_to_assistant (ia, get_widget_assert (builder, "Sheet"),
156 GTK_ASSISTANT_PAGE_INTRO);
161 /* Prepares IA's sheet_spec page. */
163 prepare_sheet_spec_page (struct import_assistant *ia)
165 GtkBuilder *builder = ia->asst.builder;
166 GtkWidget *sheet_entry = get_widget_assert (builder, "sheet-entry");
167 GtkWidget *readnames_checkbox = get_widget_assert (builder, "readnames-checkbox");
169 gtk_combo_box_set_model (GTK_COMBO_BOX (sheet_entry),
170 psppire_spreadsheet_model_new (ia->spreadsheet));
172 gtk_combo_box_set_active (GTK_COMBO_BOX (sheet_entry), 0);
174 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (readnames_checkbox), FALSE);
178 /* Resets IA's sheet_spec page to its initial state. */
180 reset_sheet_spec_page (struct import_assistant *ia)
182 GtkBuilder *builder = ia->asst.builder;
183 GtkWidget *sheet_entry = get_widget_assert (builder, "sheet-entry");
184 GtkWidget *readnames_checkbox = get_widget_assert (builder, "readnames-checkbox");
186 gtk_combo_box_set_active (GTK_COMBO_BOX (sheet_entry), 0);
188 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (readnames_checkbox), FALSE);
191 /* Called when the Forward button is clicked,
192 but before displaying the new page.
195 post_sheet_spec_page (struct import_assistant *ia)
202 GtkBuilder *builder = ia->asst.builder;
204 struct sheet_spec_page *ssp = ia->sheet_spec;
205 struct casereader *creader = NULL;
206 struct dictionary *dict = NULL;
208 GtkWidget *readnames_checkbox = get_widget_assert (builder, "readnames-checkbox");
209 GtkWidget *range_entry = get_widget_assert (builder, "cell-range-entry");
210 const gchar *range = gtk_entry_get_text (GTK_ENTRY (range_entry));
211 GtkWidget *combo_box = get_widget_assert (builder, "sheet-entry");
213 gint num = gtk_combo_box_get_active (GTK_COMBO_BOX (combo_box));
215 ssp->opts.sheet_name = NULL;
216 ssp->opts.cell_range = NULL;
217 ssp->opts.sheet_index = num + 1;
219 if ( convert_cell_ref (range, &col_start, &row_start, &col_stop, &row_stop))
221 ssp->opts.cell_range = g_strdup (range);
224 ssp->opts.read_names = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (readnames_checkbox));
227 switch (ia->spreadsheet->type)
229 case SPREADSHEET_ODS:
230 case SPREADSHEET_GNUMERIC:
232 creader = spreadsheet_make_reader (ia->spreadsheet, &ssp->opts);
233 dict = ia->spreadsheet->dict;
237 g_assert_not_reached ();
242 ssp->reader = creader;
246 update_assistant (ia);
250 GtkWidget * dialog = gtk_message_dialog_new (NULL,
254 _("An error occurred reading the spreadsheet file."));
256 gtk_dialog_run (GTK_DIALOG (dialog));
257 gtk_widget_destroy (dialog);
263 Update IA according to the contents of DICT and CREADER.
264 CREADER will be destroyed by this function.
267 update_assistant (struct import_assistant *ia)
269 struct sheet_spec_page *ssp = ia->sheet_spec;
277 ia->column_cnt = dict_get_var_cnt (ssp->dict);
278 ia->columns = xcalloc (ia->column_cnt, sizeof (*ia->columns));
279 for (col = 0; col < ia->column_cnt ; ++col)
281 const struct variable *var = dict_get_var (ssp->dict, col);
282 ia->columns[col].name = xstrdup (var_get_name (var));
283 ia->columns[col].contents = NULL;
286 for (; (c = casereader_read (ssp->reader)) != NULL; case_unref (c))
289 for (col = 0; col < ia->column_cnt ; ++col)
292 const struct variable *var = dict_get_var (ssp->dict, col);
294 ia->columns[col].contents = xrealloc (ia->columns[col].contents,
295 sizeof (struct substring) * rows);
297 ss = data_out (case_data (c, var), dict_get_encoding (ssp->dict),
298 var_get_print_format (var));
300 ia->columns[col].contents[rows - 1] = ss_cstr (ss);
303 if (rows > MAX_PREVIEW_LINES)
311 ia->file.line_cnt = rows;