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 "page-first-line.h"
21 #include "ui/gui/text-data-import-dialog.h"
25 #include <gtk-contrib/psppire-sheet.h>
31 #include "data/data-in.h"
32 #include "data/data-out.h"
33 #include "data/format-guesser.h"
34 #include "data/value-labels.h"
35 #include "language/data-io/data-parser.h"
36 #include "language/lexer/lexer.h"
37 #include "libpspp/assertion.h"
38 #include "libpspp/i18n.h"
39 #include "libpspp/line-reader.h"
40 #include "libpspp/message.h"
41 #include "ui/gui/checkbox-treeview.h"
42 #include "ui/gui/dialog-common.h"
43 #include "ui/gui/executor.h"
44 #include "ui/gui/helper.h"
45 #include "ui/gui/builder-wrapper.h"
46 #include "ui/gui/psppire-data-window.h"
47 #include "ui/gui/psppire-dialog.h"
48 #include "ui/gui/psppire-encoding-selector.h"
49 #include "ui/gui/psppire-empty-list-store.h"
50 #include "ui/gui/psppire-var-sheet.h"
51 #include "ui/gui/psppire-var-store.h"
52 #include "ui/gui/psppire-scanf.h"
53 #include "ui/syntax-gen.h"
56 #include "gl/intprops.h"
57 #include "gl/xalloc.h"
60 #define _(msgid) gettext (msgid)
61 #define N_(msgid) msgid
65 /* The "first line" page of the assistant. */
67 /* Page where the user chooses the first line of data. */
68 struct first_line_page
71 GtkTreeView *tree_view;
72 GtkWidget *variable_names_cb;
75 static GtkTreeView *create_lines_tree_view (GtkContainer *parent_window,
76 struct import_assistant *);
77 static void on_first_line_change (GtkTreeSelection *,
78 struct import_assistant *);
79 static void on_variable_names_cb_toggle (GtkToggleButton *,
80 struct import_assistant *);
81 static void set_first_line (struct import_assistant *);
82 static void get_first_line (struct import_assistant *);
84 /* Initializes IA's first_line substructure. */
85 struct first_line_page *
86 first_line_page_create (struct import_assistant *ia)
88 struct first_line_page *p = xzalloc (sizeof *p);
90 GtkBuilder *builder = ia->asst.builder;
92 p->page = add_page_to_assistant (ia, get_widget_assert (builder, "FirstLine"),
93 GTK_ASSISTANT_PAGE_CONTENT);
95 gtk_widget_destroy (get_widget_assert (builder, "first-line"));
96 p->tree_view = create_lines_tree_view (
97 GTK_CONTAINER (get_widget_assert (builder, "first-line-scroller")), ia);
98 p->variable_names_cb = get_widget_assert (builder, "variable-names");
99 gtk_tree_selection_set_mode (
100 gtk_tree_view_get_selection (GTK_TREE_VIEW (p->tree_view)),
101 GTK_SELECTION_BROWSE);
102 g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (p->tree_view)),
103 "changed", G_CALLBACK (on_first_line_change), ia);
104 g_signal_connect (p->variable_names_cb, "toggled",
105 G_CALLBACK (on_variable_names_cb_toggle), ia);
109 /* Resets the first_line page to its initial content. */
111 reset_first_line_page (struct import_assistant *ia)
114 ia->variable_names = false;
119 render_line (GtkTreeViewColumn *tree_column,
120 GtkCellRenderer *cell,
121 GtkTreeModel *tree_model,
125 gint row = empty_list_store_iter_to_row (iter);
126 struct string *lines;
128 lines = g_object_get_data (G_OBJECT (tree_model), "lines");
129 g_return_if_fail (lines != NULL);
131 g_object_set (cell, "text", ds_cstr (&lines[row]), NULL);
135 /* Creates and returns a tree view that contains each of the
136 lines in IA's file as a row. */
138 create_lines_tree_view (GtkContainer *parent, struct import_assistant *ia)
140 GtkTreeView *tree_view = NULL;
141 GtkTreeViewColumn *column;
142 size_t max_line_length;
143 gint content_width, header_width;
145 const gchar *title = _("Text");
147 make_tree_view (ia, 0, &tree_view);
149 column = gtk_tree_view_column_new_with_attributes (
150 title, ia->asst.fixed_renderer, (void *) NULL);
151 gtk_tree_view_column_set_cell_data_func (column, ia->asst.fixed_renderer,
152 render_line, NULL, NULL);
153 gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
156 for (i = 0; i < ia->file.line_cnt; i++)
158 size_t w = ds_length (&ia->file.lines[i]);
159 max_line_length = MAX (max_line_length, w);
162 content_width = get_monospace_width (tree_view, ia->asst.fixed_renderer,
164 header_width = get_string_width (tree_view, ia->asst.prop_renderer, title);
165 gtk_tree_view_column_set_fixed_width (column, MAX (content_width,
167 gtk_tree_view_append_column (tree_view, column);
169 gtk_tree_view_set_fixed_height_mode (tree_view, true);
171 gtk_container_add (parent, GTK_WIDGET (tree_view));
172 gtk_widget_show (GTK_WIDGET (tree_view));
177 /* Called when the line selected in the first_line tree view
180 on_first_line_change (GtkTreeSelection *selection UNUSED,
181 struct import_assistant *ia)
186 /* Called when the checkbox that indicates whether variable
187 names are in the row above the first line is toggled. */
189 on_variable_names_cb_toggle (GtkToggleButton *variable_names_cb UNUSED,
190 struct import_assistant *ia)
195 /* Sets the widgets to match IA's first_line substructure. */
197 set_first_line (struct import_assistant *ia)
201 path = gtk_tree_path_new_from_indices (ia->skip_lines, -1);
202 gtk_tree_view_set_cursor (GTK_TREE_VIEW (ia->first_line->tree_view),
204 gtk_tree_path_free (path);
206 gtk_toggle_button_set_active (
207 GTK_TOGGLE_BUTTON (ia->first_line->variable_names_cb),
209 gtk_widget_set_sensitive (ia->first_line->variable_names_cb,
213 /* Sets IA's first_line substructure to match the widgets. */
215 get_first_line (struct import_assistant *ia)
217 GtkTreeSelection *selection;
221 selection = gtk_tree_view_get_selection (ia->first_line->tree_view);
222 if (gtk_tree_selection_get_selected (selection, &model, &iter))
224 GtkTreePath *path = gtk_tree_model_get_path (model, &iter);
225 int row = gtk_tree_path_get_indices (path)[0];
226 gtk_tree_path_free (path);
228 ia->skip_lines = row;
231 && gtk_toggle_button_get_active (
232 GTK_TOGGLE_BUTTON (ia->first_line->variable_names_cb)));
234 gtk_widget_set_sensitive (ia->first_line->variable_names_cb,