1 /* PSPPIRE - a graphical user interface for PSPP.
2 Copyright (C) 2008, 2010, 2011, 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/>. */
17 #ifndef TEXT_DATA_IMPORT_DIALOG_H
18 #define TEXT_DATA_IMPORT_DIALOG_H
20 #include <glib-object.h>
21 #include "ui/gui/psppire-data-window.h"
22 #include "data/spreadsheet-reader.h"
24 #include "libpspp/str.h"
26 enum { MAX_PREVIEW_LINES = 1000 }; /* Max number of lines to read. */
33 /* The file to be imported. */
36 char *file_name; /* File name. */
38 /* Relevant only for text files */
40 gchar *encoding; /* Encoding. */
41 unsigned long int total_lines; /* Number of lines in file. */
42 bool total_is_exact; /* Is total_lines exact (or an estimate)? */
44 /* The first several lines of the file. */
49 /* The main body of the GTK+ assistant and related data. */
53 GtkAssistant *assistant;
56 GtkWidget *paste_button;
57 GtkWidget *reset_button;
61 GtkCellRenderer *prop_renderer;
62 GtkCellRenderer *fixed_renderer;
65 struct import_assistant
68 struct assistant asst;
70 struct intro_page *intro;
71 struct sheet_spec_page *sheet_spec;
72 struct first_line_page *first_line;
73 struct separators_page *separators;
74 struct formats_page *formats;
76 /* The columns produced. */
77 struct column *columns; /* Information about each column. */
78 size_t column_cnt; /* Number of columns. */
80 int skip_lines; /* Number of initial lines to skip? */
81 bool variable_names; /* Variable names above first line of data? */
82 struct dictionary *dict;
84 struct spreadsheet *spreadsheet;
89 /* Variable name for this column. This is the variable name
90 used on the separators page; it can be overridden by the
91 user on the formats page. */
94 /* Maximum length of any row in this column. */
97 /* Contents of this column: contents[row] is the contents for
100 A null substring indicates a missing column for that row
101 (because the line contains an insufficient number of
104 contents[] elements may be substrings of the lines[]
105 strings that represent the whole lines of the file, to
106 save memory. Other elements are dynamically allocated
107 with ss_alloc_substring. */
108 struct substring *contents;
112 GtkWidget * add_page_to_assistant (struct import_assistant *ia,
113 GtkWidget *page, GtkAssistantPageType type);
115 void text_data_import_assistant (PsppireDataWindow *);
117 /* FIXME: Should this be private to first line page ? */
118 void make_tree_view (const struct import_assistant *ia,
120 PsppSheetView **tree_view);
122 gint get_monospace_width (PsppSheetView *, GtkCellRenderer *,
124 gint get_string_width (PsppSheetView *, GtkCellRenderer *,
129 void push_watch_cursor (struct import_assistant *);
130 void pop_watch_cursor (struct import_assistant *);
133 PsppSheetView *create_data_tree_view (bool input, GtkContainer *parent,
134 struct import_assistant *);
136 PsppSheetViewColumn *make_data_column (struct import_assistant *,
137 PsppSheetView *, bool input,
141 void update_assistant (struct import_assistant *ia);
143 bool init_file (struct import_assistant *ia, GtkWindow *parent_window);
144 void destroy_file (struct import_assistant *ia);
146 void prepare_sheet_spec_page (struct import_assistant *ia);
147 void reset_sheet_spec_page (struct import_assistant *);
148 void post_sheet_spec_page (struct import_assistant *ia);
150 void prepare_first_line_page (struct import_assistant *ia);
151 void reset_first_line_page (struct import_assistant *);
153 void reset_intro_page (struct import_assistant *ia);
155 void prepare_separators_page (struct import_assistant *ia);
156 void reset_separators_page (struct import_assistant *);
157 void destroy_separators_page (struct import_assistant *ia);
159 void prepare_formats_page (struct import_assistant *ia);
160 void reset_formats_page (struct import_assistant *);
161 void destroy_formats_page (struct import_assistant *ia);
163 struct import_assistant * init_assistant (GtkWindow *);
164 void destroy_assistant (struct import_assistant *);