src/ui/gui/select-cases-dialog.h \
src/ui/gui/split-file-dialog.c \
src/ui/gui/split-file-dialog.h \
+ src/ui/gui/page-assistant.c \
+ src/ui/gui/page-intro.c \
+ src/ui/gui/page-file.c \
+ src/ui/gui/page-first-line.c \
+ src/ui/gui/page-formats.c \
+ src/ui/gui/page-separators.c \
src/ui/gui/text-data-import-dialog.c \
src/ui/gui/text-data-import-dialog.h \
src/ui/gui/transpose-dialog.c \
--- /dev/null
+/* PSPPIRE - a graphical user interface for PSPP.
+ Copyright (C) 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+#include "ui/gui/text-data-import-dialog.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <gtk-contrib/psppire-sheet.h>
+#include <gtk/gtk.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+
+#include "data/data-in.h"
+#include "data/data-out.h"
+#include "data/format-guesser.h"
+#include "data/value-labels.h"
+#include "language/data-io/data-parser.h"
+#include "language/lexer/lexer.h"
+#include "libpspp/assertion.h"
+#include "libpspp/i18n.h"
+#include "libpspp/line-reader.h"
+#include "libpspp/message.h"
+#include "ui/gui/checkbox-treeview.h"
+#include "ui/gui/dialog-common.h"
+#include "ui/gui/executor.h"
+#include "ui/gui/helper.h"
+#include "ui/gui/builder-wrapper.h"
+#include "ui/gui/psppire-data-window.h"
+#include "ui/gui/psppire-dialog.h"
+#include "ui/gui/psppire-encoding-selector.h"
+#include "ui/gui/psppire-empty-list-store.h"
+#include "ui/gui/psppire-var-sheet.h"
+#include "ui/gui/psppire-var-store.h"
+#include "ui/gui/psppire-scanf.h"
+#include "ui/syntax-gen.h"
+
+#include "gl/error.h"
+#include "gl/intprops.h"
+#include "gl/xalloc.h"
+
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+#define N_(msgid) msgid
+
+/* Assistant. */
+
+static void close_assistant (struct import_assistant *, int response);
+static void on_prepare (GtkAssistant *assistant, GtkWidget *page,
+ struct import_assistant *);
+static void on_cancel (GtkAssistant *assistant, struct import_assistant *);
+static void on_close (GtkAssistant *assistant, struct import_assistant *);
+static void on_paste (GtkButton *button, struct import_assistant *);
+static void on_reset (GtkButton *button, struct import_assistant *);
+static void close_assistant (struct import_assistant *, int response);
+
+/* Initializes IA's asst substructure. PARENT_WINDOW must be the
+ window to use as the assistant window's parent. */
+void
+init_assistant (struct import_assistant *ia, GtkWindow *parent_window)
+{
+ struct assistant *a = &ia->asst;
+
+ a->builder = builder_new ("text-data-import.ui");
+ a->assistant = GTK_ASSISTANT (gtk_assistant_new ());
+ g_signal_connect (a->assistant, "prepare", G_CALLBACK (on_prepare), ia);
+ g_signal_connect (a->assistant, "cancel", G_CALLBACK (on_cancel), ia);
+ g_signal_connect (a->assistant, "close", G_CALLBACK (on_close), ia);
+ a->paste_button = gtk_button_new_from_stock (GTK_STOCK_PASTE);
+ gtk_assistant_add_action_widget (a->assistant, a->paste_button);
+ g_signal_connect (a->paste_button, "clicked", G_CALLBACK (on_paste), ia);
+ a->reset_button = gtk_button_new_from_stock ("pspp-stock-reset");
+ gtk_assistant_add_action_widget (a->assistant, a->reset_button);
+ g_signal_connect (a->reset_button, "clicked", G_CALLBACK (on_reset), ia);
+ gtk_window_set_title (GTK_WINDOW (a->assistant),
+ _("Importing Delimited Text Data"));
+ gtk_window_set_transient_for (GTK_WINDOW (a->assistant), parent_window);
+ gtk_window_set_icon_name (GTK_WINDOW (a->assistant), "pspp");
+
+ a->prop_renderer = gtk_cell_renderer_text_new ();
+ g_object_ref_sink (a->prop_renderer);
+ a->fixed_renderer = gtk_cell_renderer_text_new ();
+ g_object_ref_sink (a->fixed_renderer);
+ g_object_set (G_OBJECT (a->fixed_renderer),
+ "family", "Monospace",
+ (void *) NULL);
+}
+
+/* Frees IA's asst substructure. */
+void
+destroy_assistant (struct import_assistant *ia)
+{
+ struct assistant *a = &ia->asst;
+
+ g_object_unref (a->prop_renderer);
+ g_object_unref (a->fixed_renderer);
+ g_object_unref (a->builder);
+}
+
+/* Appends a page of the given TYPE, with PAGE as its content, to
+ the GtkAssistant encapsulated by IA. Returns the GtkWidget
+ that represents the page. */
+GtkWidget *
+add_page_to_assistant (struct import_assistant *ia,
+ GtkWidget *page, GtkAssistantPageType type)
+{
+ const char *title;
+ char *title_copy;
+ GtkWidget *content;
+
+ title = gtk_window_get_title (GTK_WINDOW (page));
+ title_copy = xstrdup (title ? title : "");
+
+ content = gtk_bin_get_child (GTK_BIN (page));
+ assert (content);
+ g_object_ref (content);
+ gtk_container_remove (GTK_CONTAINER (page), content);
+
+ gtk_widget_destroy (page);
+
+ gtk_assistant_append_page (ia->asst.assistant, content);
+ gtk_assistant_set_page_type (ia->asst.assistant, content, type);
+ gtk_assistant_set_page_title (ia->asst.assistant, content, title_copy);
+ gtk_assistant_set_page_complete (ia->asst.assistant, content, true);
+
+ free (title_copy);
+
+ return content;
+}
+
+/* Called just before PAGE is displayed as the current page of
+ ASSISTANT, this updates IA content according to the new
+ page. */
+static void
+on_prepare (GtkAssistant *assistant, GtkWidget *page,
+ struct import_assistant *ia)
+{
+
+ if (gtk_assistant_get_page_type (assistant, page)
+ == GTK_ASSISTANT_PAGE_CONFIRM)
+ gtk_widget_grab_focus (assistant->apply);
+ else
+ gtk_widget_grab_focus (assistant->forward);
+
+ if (page == ia->separators.page)
+ prepare_separators_page (ia);
+ else if (page == ia->formats.page)
+ prepare_formats_page (ia);
+
+ gtk_widget_show (ia->asst.reset_button);
+ if (page == ia->formats.page)
+ gtk_widget_show (ia->asst.paste_button);
+ else
+ gtk_widget_hide (ia->asst.paste_button);
+}
+
+/* Called when the Cancel button in the assistant is clicked. */
+static void
+on_cancel (GtkAssistant *assistant, struct import_assistant *ia)
+{
+ close_assistant (ia, GTK_RESPONSE_CANCEL);
+}
+
+/* Called when the Apply button on the last page of the assistant
+ is clicked. */
+static void
+on_close (GtkAssistant *assistant, struct import_assistant *ia)
+{
+ close_assistant (ia, GTK_RESPONSE_APPLY);
+}
+
+/* Called when the Paste button on the last page of the assistant
+ is clicked. */
+static void
+on_paste (GtkButton *button, struct import_assistant *ia)
+{
+ close_assistant (ia, PSPPIRE_RESPONSE_PASTE);
+}
+
+/* Called when the Reset button is clicked. */
+static void
+on_reset (GtkButton *button, struct import_assistant *ia)
+{
+ gint page_num = gtk_assistant_get_current_page (ia->asst.assistant);
+ GtkWidget *page = gtk_assistant_get_nth_page (ia->asst.assistant, page_num);
+
+ if (page == ia->intro.page)
+ reset_intro_page (ia);
+ else if (page == ia->first_line.page)
+ reset_first_line_page (ia);
+ else if (page == ia->separators.page)
+ reset_separators_page (ia);
+ else if (page == ia->formats.page)
+ reset_formats_page (ia);
+}
+
+/* Causes the assistant to close, returning RESPONSE for
+ interpretation by text_data_import_assistant. */
+static void
+close_assistant (struct import_assistant *ia, int response)
+{
+ ia->asst.response = response;
+ g_main_loop_quit (ia->asst.main_loop);
+ gtk_widget_hide (GTK_WIDGET (ia->asst.assistant));
+}
+
--- /dev/null
+/* PSPPIRE - a graphical user interface for PSPP.
+ Copyright (C) 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+#include "ui/gui/text-data-import-dialog.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <gtk-contrib/psppire-sheet.h>
+#include <gtk/gtk.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+
+#include "data/data-in.h"
+#include "data/data-out.h"
+#include "data/format-guesser.h"
+#include "data/value-labels.h"
+#include "language/data-io/data-parser.h"
+#include "language/lexer/lexer.h"
+#include "libpspp/assertion.h"
+#include "libpspp/i18n.h"
+#include "libpspp/line-reader.h"
+#include "libpspp/message.h"
+#include "ui/gui/checkbox-treeview.h"
+#include "ui/gui/dialog-common.h"
+#include "ui/gui/executor.h"
+#include "ui/gui/helper.h"
+#include "ui/gui/builder-wrapper.h"
+#include "ui/gui/psppire-data-window.h"
+#include "ui/gui/psppire-dialog.h"
+#include "ui/gui/psppire-encoding-selector.h"
+#include "ui/gui/psppire-empty-list-store.h"
+#include "ui/gui/psppire-var-sheet.h"
+#include "ui/gui/psppire-var-store.h"
+#include "ui/gui/psppire-scanf.h"
+#include "ui/syntax-gen.h"
+
+#include "gl/error.h"
+#include "gl/intprops.h"
+#include "gl/xalloc.h"
+
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+#define N_(msgid) msgid
+
+struct import_assistant;
+
+/* Choosing a file and reading it. */
+
+static char *choose_file (GtkWindow *parent_window, gchar **encodingp);
+
+/* Obtains the file to import from the user and initializes IA's
+ file substructure. PARENT_WINDOW must be the window to use
+ as the file chooser window's parent.
+
+ Returns true if successful, false if the file name could not
+ be obtained or the file could not be read. */
+bool
+init_file (struct import_assistant *ia, GtkWindow *parent_window)
+{
+ struct file *file = &ia->file;
+ enum { MAX_PREVIEW_LINES = 1000 }; /* Max number of lines to read. */
+ enum { MAX_LINE_LEN = 16384 }; /* Max length of an acceptable line. */
+ struct line_reader *reader;
+ struct string input;
+
+ file->file_name = choose_file (parent_window, &file->encoding);
+ if (file->file_name == NULL)
+ return false;
+
+ reader = line_reader_for_file (file->encoding, file->file_name, O_RDONLY);
+ if (reader == NULL)
+ {
+ msg (ME, _("Could not open `%s': %s"),
+ file->file_name, strerror (errno));
+ return false;
+ }
+
+ ds_init_empty (&input);
+ file->lines = xnmalloc (MAX_PREVIEW_LINES, sizeof *file->lines);
+ for (; file->line_cnt < MAX_PREVIEW_LINES; file->line_cnt++)
+ {
+ ds_clear (&input);
+ if (!line_reader_read (reader, &input, MAX_LINE_LEN + 1)
+ || ds_length (&input) > MAX_LINE_LEN)
+ {
+ if (line_reader_eof (reader))
+ break;
+ else if (line_reader_error (reader))
+ msg (ME, _("Error reading `%s': %s"),
+ file->file_name, strerror (line_reader_error (reader)));
+ else
+ msg (ME, _("Failed to read `%s', because it contains a line "
+ "over %d bytes long and therefore appears not to be "
+ "a text file."),
+ file->file_name, MAX_LINE_LEN);
+ line_reader_close (reader);
+ destroy_file (ia);
+ ds_destroy (&input);
+ return false;
+ }
+
+ ds_init_cstr (&file->lines[file->line_cnt],
+ recode_string ("UTF-8", line_reader_get_encoding (reader),
+ ds_cstr (&input), ds_length (&input)));
+ }
+ ds_destroy (&input);
+
+ if (file->line_cnt == 0)
+ {
+ msg (ME, _("`%s' is empty."), file->file_name);
+ line_reader_close (reader);
+ destroy_file (ia);
+ return false;
+ }
+
+ /* Estimate the number of lines in the file. */
+ if (file->line_cnt < MAX_PREVIEW_LINES)
+ file->total_lines = file->line_cnt;
+ else
+ {
+ struct stat s;
+ off_t position = line_reader_tell (reader);
+ if (fstat (line_reader_fileno (reader), &s) == 0 && position > 0)
+ file->total_lines = (double) file->line_cnt / position * s.st_size;
+ else
+ file->total_lines = 0;
+ }
+
+ line_reader_close (reader);
+
+ return true;
+}
+
+/* Frees IA's file substructure. */
+void
+destroy_file (struct import_assistant *ia)
+{
+ struct file *f = &ia->file;
+ size_t i;
+
+ for (i = 0; i < f->line_cnt; i++)
+ ds_destroy (&f->lines[i]);
+ free (f->lines);
+ g_free (f->file_name);
+ g_free (f->encoding);
+}
+
+/* Obtains the file to read from the user. If successful, returns the name of
+ the file and stores the user's chosen encoding for the file into *ENCODINGP.
+ The caller must free each of these strings with g_free().
+
+ On failure, stores a null pointer and stores NULL in *ENCODINGP.
+
+ PARENT_WINDOW must be the window to use as the file chooser window's
+ parent. */
+static char *
+choose_file (GtkWindow *parent_window, gchar **encodingp)
+{
+ char *file_name;
+ GtkFileFilter *filter = NULL;
+
+ GtkWidget *dialog = gtk_file_chooser_dialog_new (_("Import Delimited Text Data"),
+ parent_window,
+ GTK_FILE_CHOOSER_ACTION_OPEN,
+ GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+ GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
+ NULL);
+
+ g_object_set (dialog, "local-only", FALSE, NULL);
+
+ filter = gtk_file_filter_new ();
+ gtk_file_filter_set_name (filter, _("Text files"));
+ gtk_file_filter_add_mime_type (filter, "text/*");
+ gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
+
+ filter = gtk_file_filter_new ();
+ gtk_file_filter_set_name (filter, _("Text (*.txt) Files"));
+ gtk_file_filter_add_pattern (filter, "*.txt");
+ gtk_file_filter_add_pattern (filter, "*.TXT");
+ gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
+
+ filter = gtk_file_filter_new ();
+ gtk_file_filter_set_name (filter, _("Plain Text (ASCII) Files"));
+ gtk_file_filter_add_mime_type (filter, "text/plain");
+ gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
+
+ filter = gtk_file_filter_new ();
+ gtk_file_filter_set_name (filter, _("Comma Separated Value Files"));
+ gtk_file_filter_add_mime_type (filter, "text/csv");
+ gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
+
+ /* I've never encountered one of these, but it's listed here:
+ http://www.iana.org/assignments/media-types/text/tab-separated-values */
+ filter = gtk_file_filter_new ();
+ gtk_file_filter_set_name (filter, _("Tab Separated Value Files"));
+ gtk_file_filter_add_mime_type (filter, "text/tab-separated-values");
+ gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
+
+ gtk_file_chooser_set_extra_widget (
+ GTK_FILE_CHOOSER (dialog), psppire_encoding_selector_new ("Auto", true));
+
+ filter = gtk_file_filter_new ();
+ gtk_file_filter_set_name (filter, _("All Files"));
+ gtk_file_filter_add_pattern (filter, "*");
+ gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
+
+ switch (gtk_dialog_run (GTK_DIALOG (dialog)))
+ {
+ case GTK_RESPONSE_ACCEPT:
+ file_name = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
+ *encodingp = psppire_encoding_selector_get_encoding (
+ gtk_file_chooser_get_extra_widget (GTK_FILE_CHOOSER (dialog)));
+ break;
+ default:
+ file_name = NULL;
+ *encodingp = NULL;
+ break;
+ }
+ gtk_widget_destroy (dialog);
+
+ return file_name;
+}
--- /dev/null
+/* PSPPIRE - a graphical user interface for PSPP.
+ Copyright (C) 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+#include "ui/gui/text-data-import-dialog.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <gtk-contrib/psppire-sheet.h>
+#include <gtk/gtk.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+
+#include "data/data-in.h"
+#include "data/data-out.h"
+#include "data/format-guesser.h"
+#include "data/value-labels.h"
+#include "language/data-io/data-parser.h"
+#include "language/lexer/lexer.h"
+#include "libpspp/assertion.h"
+#include "libpspp/i18n.h"
+#include "libpspp/line-reader.h"
+#include "libpspp/message.h"
+#include "ui/gui/checkbox-treeview.h"
+#include "ui/gui/dialog-common.h"
+#include "ui/gui/executor.h"
+#include "ui/gui/helper.h"
+#include "ui/gui/builder-wrapper.h"
+#include "ui/gui/psppire-data-window.h"
+#include "ui/gui/psppire-dialog.h"
+#include "ui/gui/psppire-encoding-selector.h"
+#include "ui/gui/psppire-empty-list-store.h"
+#include "ui/gui/psppire-var-sheet.h"
+#include "ui/gui/psppire-var-store.h"
+#include "ui/gui/psppire-scanf.h"
+#include "ui/syntax-gen.h"
+
+#include "gl/error.h"
+#include "gl/intprops.h"
+#include "gl/xalloc.h"
+
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+#define N_(msgid) msgid
+
+
+/* The "first line" page of the assistant. */
+
+static GtkTreeView *create_lines_tree_view (GtkContainer *parent_window,
+ struct import_assistant *);
+static void on_first_line_change (GtkTreeSelection *,
+ struct import_assistant *);
+static void on_variable_names_cb_toggle (GtkToggleButton *,
+ struct import_assistant *);
+static void set_first_line (struct import_assistant *);
+static void get_first_line (struct import_assistant *);
+
+/* Initializes IA's first_line substructure. */
+void
+init_first_line_page (struct import_assistant *ia)
+{
+ struct first_line_page *p = &ia->first_line;
+ GtkBuilder *builder = ia->asst.builder;
+
+ p->page = add_page_to_assistant (ia, get_widget_assert (builder, "FirstLine"),
+ GTK_ASSISTANT_PAGE_CONTENT);
+ gtk_widget_destroy (get_widget_assert (builder, "first-line"));
+ p->tree_view = create_lines_tree_view (
+ GTK_CONTAINER (get_widget_assert (builder, "first-line-scroller")), ia);
+ p->variable_names_cb = get_widget_assert (builder, "variable-names");
+ gtk_tree_selection_set_mode (
+ gtk_tree_view_get_selection (GTK_TREE_VIEW (p->tree_view)),
+ GTK_SELECTION_BROWSE);
+ set_first_line (ia);
+ g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (p->tree_view)),
+ "changed", G_CALLBACK (on_first_line_change), ia);
+ g_signal_connect (p->variable_names_cb, "toggled",
+ G_CALLBACK (on_variable_names_cb_toggle), ia);
+}
+
+/* Resets the first_line page to its initial content. */
+void
+reset_first_line_page (struct import_assistant *ia)
+{
+ ia->first_line.skip_lines = 0;
+ ia->first_line.variable_names = false;
+ set_first_line (ia);
+}
+
+static void
+render_line (GtkTreeViewColumn *tree_column,
+ GtkCellRenderer *cell,
+ GtkTreeModel *tree_model,
+ GtkTreeIter *iter,
+ gpointer data)
+{
+ gint row = empty_list_store_iter_to_row (iter);
+ struct string *lines;
+
+ lines = g_object_get_data (G_OBJECT (tree_model), "lines");
+ g_return_if_fail (lines != NULL);
+
+ g_object_set (cell, "text", ds_cstr (&lines[row]), NULL);
+}
+
+
+/* Creates and returns a tree view that contains each of the
+ lines in IA's file as a row. */
+static GtkTreeView *
+create_lines_tree_view (GtkContainer *parent, struct import_assistant *ia)
+{
+ GtkTreeView *tree_view;
+ GtkTreeViewColumn *column;
+ size_t max_line_length;
+ gint content_width, header_width;
+ size_t i;
+ const gchar *title = _("Text");
+
+ make_tree_view (ia, 0, &tree_view);
+
+ column = gtk_tree_view_column_new_with_attributes (
+ title, ia->asst.fixed_renderer, (void *) NULL);
+ gtk_tree_view_column_set_cell_data_func (column, ia->asst.fixed_renderer,
+ render_line, NULL, NULL);
+ gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
+
+ max_line_length = 0;
+ for (i = 0; i < ia->file.line_cnt; i++)
+ {
+ size_t w = ds_length (&ia->file.lines[i]);
+ max_line_length = MAX (max_line_length, w);
+ }
+
+ content_width = get_monospace_width (tree_view, ia->asst.fixed_renderer,
+ max_line_length);
+ header_width = get_string_width (tree_view, ia->asst.prop_renderer, title);
+ gtk_tree_view_column_set_fixed_width (column, MAX (content_width,
+ header_width));
+ gtk_tree_view_append_column (tree_view, column);
+
+ gtk_tree_view_set_fixed_height_mode (tree_view, true);
+
+ gtk_container_add (parent, GTK_WIDGET (tree_view));
+ gtk_widget_show (GTK_WIDGET (tree_view));
+
+ return tree_view;
+}
+
+/* Called when the line selected in the first_line tree view
+ changes. */
+static void
+on_first_line_change (GtkTreeSelection *selection UNUSED,
+ struct import_assistant *ia)
+{
+ get_first_line (ia);
+}
+
+/* Called when the checkbox that indicates whether variable
+ names are in the row above the first line is toggled. */
+static void
+on_variable_names_cb_toggle (GtkToggleButton *variable_names_cb UNUSED,
+ struct import_assistant *ia)
+{
+ get_first_line (ia);
+}
+
+/* Sets the widgets to match IA's first_line substructure. */
+static void
+set_first_line (struct import_assistant *ia)
+{
+ GtkTreePath *path;
+
+ path = gtk_tree_path_new_from_indices (ia->first_line.skip_lines, -1);
+ gtk_tree_view_set_cursor (GTK_TREE_VIEW (ia->first_line.tree_view),
+ path, NULL, false);
+ gtk_tree_path_free (path);
+
+ gtk_toggle_button_set_active (
+ GTK_TOGGLE_BUTTON (ia->first_line.variable_names_cb),
+ ia->first_line.variable_names);
+ gtk_widget_set_sensitive (ia->first_line.variable_names_cb,
+ ia->first_line.skip_lines > 0);
+}
+
+/* Sets IA's first_line substructure to match the widgets. */
+static void
+get_first_line (struct import_assistant *ia)
+{
+ GtkTreeSelection *selection;
+ GtkTreeIter iter;
+ GtkTreeModel *model;
+
+ selection = gtk_tree_view_get_selection (ia->first_line.tree_view);
+ if (gtk_tree_selection_get_selected (selection, &model, &iter))
+ {
+ GtkTreePath *path = gtk_tree_model_get_path (model, &iter);
+ int row = gtk_tree_path_get_indices (path)[0];
+ gtk_tree_path_free (path);
+
+ ia->first_line.skip_lines = row;
+ ia->first_line.variable_names =
+ (ia->first_line.skip_lines > 0
+ && gtk_toggle_button_get_active (
+ GTK_TOGGLE_BUTTON (ia->first_line.variable_names_cb)));
+ }
+ gtk_widget_set_sensitive (ia->first_line.variable_names_cb,
+ ia->first_line.skip_lines > 0);
+}
--- /dev/null
+/* PSPPIRE - a graphical user interface for PSPP.
+ Copyright (C) 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+#include "ui/gui/text-data-import-dialog.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <gtk-contrib/psppire-sheet.h>
+#include <gtk/gtk.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+
+#include "data/data-in.h"
+#include "data/data-out.h"
+#include "data/format-guesser.h"
+#include "data/value-labels.h"
+#include "language/data-io/data-parser.h"
+#include "language/lexer/lexer.h"
+#include "libpspp/assertion.h"
+#include "libpspp/i18n.h"
+#include "libpspp/line-reader.h"
+#include "libpspp/message.h"
+#include "ui/gui/checkbox-treeview.h"
+#include "ui/gui/dialog-common.h"
+#include "ui/gui/executor.h"
+#include "ui/gui/helper.h"
+#include "ui/gui/builder-wrapper.h"
+#include "ui/gui/psppire-data-window.h"
+#include "ui/gui/psppire-dialog.h"
+#include "ui/gui/psppire-encoding-selector.h"
+#include "ui/gui/psppire-empty-list-store.h"
+#include "ui/gui/psppire-var-sheet.h"
+#include "ui/gui/psppire-var-store.h"
+#include "ui/gui/psppire-scanf.h"
+#include "ui/syntax-gen.h"
+
+#include "gl/error.h"
+#include "gl/intprops.h"
+#include "gl/xalloc.h"
+
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+#define N_(msgid) msgid
+
+/* The "formats" page of the assistant. */
+
+static void on_variable_change (PsppireDict *dict, int idx,
+ struct import_assistant *);
+static void clear_modified_vars (struct import_assistant *);
+
+/* Initializes IA's formats substructure. */
+void
+init_formats_page (struct import_assistant *ia)
+{
+ GtkBuilder *builder = ia->asst.builder;
+ struct formats_page *p = &ia->formats;
+
+ p->page = add_page_to_assistant (ia, get_widget_assert (builder, "Formats"),
+ GTK_ASSISTANT_PAGE_CONFIRM);
+ p->data_tree_view = GTK_TREE_VIEW (get_widget_assert (builder, "data"));
+ p->modified_vars = NULL;
+ p->modified_var_cnt = 0;
+ p->dict = NULL;
+}
+
+/* Frees IA's formats substructure. */
+void
+destroy_formats_page (struct import_assistant *ia)
+{
+ struct formats_page *p = &ia->formats;
+
+ if (p->psppire_dict != NULL)
+ {
+ dict_destroy (p->psppire_dict->dict);
+ g_object_unref (p->psppire_dict);
+ }
+ clear_modified_vars (ia);
+}
+
+/* Called just before the formats page of the assistant is
+ displayed. */
+void
+prepare_formats_page (struct import_assistant *ia)
+{
+ struct dictionary *dict;
+ PsppireDict *psppire_dict;
+ PsppireVarStore *var_store;
+ GtkBin *vars_scroller;
+ GtkWidget *old_var_sheet;
+ PsppireVarSheet *var_sheet;
+ struct separators_page *s = &ia->separators;
+ struct formats_page *p = &ia->formats;
+ struct fmt_guesser *fg;
+ unsigned long int number = 0;
+ size_t column_idx;
+
+ push_watch_cursor (ia);
+
+ dict = dict_create (get_default_encoding ());
+ fg = fmt_guesser_create ();
+ for (column_idx = 0; column_idx < s->column_cnt; column_idx++)
+ {
+ struct variable *modified_var;
+
+ modified_var = (column_idx < p->modified_var_cnt
+ ? p->modified_vars[column_idx] : NULL);
+ if (modified_var == NULL)
+ {
+ struct column *column = &s->columns[column_idx];
+ struct variable *var;
+ struct fmt_spec format;
+ char *name;
+ size_t row;
+
+ /* Choose variable name. */
+ name = dict_make_unique_var_name (dict, column->name, &number);
+
+ /* Choose variable format. */
+ fmt_guesser_clear (fg);
+ for (row = ia->first_line.skip_lines; row < ia->file.line_cnt; row++)
+ fmt_guesser_add (fg, column->contents[row]);
+ fmt_guesser_guess (fg, &format);
+ fmt_fix_input (&format);
+
+ /* Create variable. */
+ var = dict_create_var_assert (dict, name, fmt_var_width (&format));
+ var_set_both_formats (var, &format);
+
+ free (name);
+ }
+ else
+ {
+ char *name;
+
+ name = dict_make_unique_var_name (dict, var_get_name (modified_var),
+ &number);
+ dict_clone_var_as_assert (dict, modified_var, name);
+ free (name);
+ }
+ }
+ fmt_guesser_destroy (fg);
+
+ psppire_dict = psppire_dict_new_from_dict (dict);
+ g_signal_connect (psppire_dict, "variable_changed",
+ G_CALLBACK (on_variable_change), ia);
+ ia->formats.dict = dict;
+ ia->formats.psppire_dict = psppire_dict;
+
+ /* XXX: PsppireVarStore doesn't hold a reference to
+ psppire_dict for now, but it should. After it does, we
+ should g_object_ref the psppire_dict here, since we also
+ hold a reference via ia->formats.dict. */
+ var_store = psppire_var_store_new (psppire_dict);
+ g_object_set (var_store,
+ "format-type", PSPPIRE_VAR_STORE_INPUT_FORMATS,
+ (void *) NULL);
+ var_sheet = PSPPIRE_VAR_SHEET (psppire_var_sheet_new ());
+ g_object_set (var_sheet,
+ "model", var_store,
+ "may-create-vars", FALSE,
+ (void *) NULL);
+
+ vars_scroller = GTK_BIN (get_widget_assert (ia->asst.builder, "vars-scroller"));
+ old_var_sheet = gtk_bin_get_child (vars_scroller);
+ if (old_var_sheet != NULL)
+ gtk_widget_destroy (old_var_sheet);
+ gtk_container_add (GTK_CONTAINER (vars_scroller), GTK_WIDGET (var_sheet));
+ gtk_widget_show (GTK_WIDGET (var_sheet));
+
+ gtk_widget_destroy (GTK_WIDGET (ia->formats.data_tree_view));
+ ia->formats.data_tree_view = create_data_tree_view (
+ false,
+ GTK_CONTAINER (get_widget_assert (ia->asst.builder, "data-scroller")),
+ ia);
+
+ pop_watch_cursor (ia);
+}
+
+/* Clears the set of user-modified variables from IA's formats
+ substructure. This discards user modifications to variable
+ formats, thereby causing formats to revert to their
+ defaults. */
+static void
+clear_modified_vars (struct import_assistant *ia)
+{
+ struct formats_page *p = &ia->formats;
+ size_t i;
+
+ for (i = 0; i < p->modified_var_cnt; i++)
+ var_destroy (p->modified_vars[i]);
+ free (p->modified_vars);
+ p->modified_vars = NULL;
+ p->modified_var_cnt = 0;
+}
+
+/* Resets the formats page to its defaults, discarding user
+ modifications. */
+void
+reset_formats_page (struct import_assistant *ia)
+{
+ clear_modified_vars (ia);
+ prepare_formats_page (ia);
+}
+
+
+
+/* Called when the user changes one of the variables in the
+ dictionary. */
+static void
+on_variable_change (PsppireDict *dict, int dict_idx,
+ struct import_assistant *ia)
+{
+ struct formats_page *p = &ia->formats;
+ GtkTreeView *tv = ia->formats.data_tree_view;
+ gint column_idx = dict_idx + 1;
+
+ push_watch_cursor (ia);
+
+ /* Remove previous column and replace with new column. */
+ gtk_tree_view_remove_column (tv, gtk_tree_view_get_column (tv, column_idx));
+ gtk_tree_view_insert_column (tv, make_data_column (ia, tv, false, dict_idx),
+ column_idx);
+
+ /* Save a copy of the modified variable in modified_vars, so
+ that its attributes will be preserved if we back up to the
+ previous page with the Prev button and then come back
+ here. */
+ if (dict_idx >= p->modified_var_cnt)
+ {
+ size_t i;
+ p->modified_vars = xnrealloc (p->modified_vars, dict_idx + 1,
+ sizeof *p->modified_vars);
+ for (i = 0; i <= dict_idx; i++)
+ p->modified_vars[i] = NULL;
+ p->modified_var_cnt = dict_idx + 1;
+ }
+ if (p->modified_vars[dict_idx])
+ var_destroy (p->modified_vars[dict_idx]);
+ p->modified_vars[dict_idx]
+ = var_clone (psppire_dict_get_variable (dict, dict_idx));
+
+ pop_watch_cursor (ia);
+}
+
+
--- /dev/null
+/* PSPPIRE - a graphical user interface for PSPP.
+ Copyright (C) 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+#include "ui/gui/text-data-import-dialog.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <gtk-contrib/psppire-sheet.h>
+#include <gtk/gtk.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+
+#include "data/data-in.h"
+#include "data/data-out.h"
+#include "data/format-guesser.h"
+#include "data/value-labels.h"
+#include "language/data-io/data-parser.h"
+#include "language/lexer/lexer.h"
+#include "libpspp/assertion.h"
+#include "libpspp/i18n.h"
+#include "libpspp/line-reader.h"
+#include "libpspp/message.h"
+#include "ui/gui/checkbox-treeview.h"
+#include "ui/gui/dialog-common.h"
+#include "ui/gui/executor.h"
+#include "ui/gui/helper.h"
+#include "ui/gui/builder-wrapper.h"
+#include "ui/gui/psppire-data-window.h"
+#include "ui/gui/psppire-dialog.h"
+#include "ui/gui/psppire-encoding-selector.h"
+#include "ui/gui/psppire-empty-list-store.h"
+#include "ui/gui/psppire-var-sheet.h"
+#include "ui/gui/psppire-var-store.h"
+#include "ui/gui/psppire-scanf.h"
+#include "ui/syntax-gen.h"
+
+#include "gl/error.h"
+#include "gl/intprops.h"
+#include "gl/xalloc.h"
+
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+#define N_(msgid) msgid
+
+struct import_assistant;
+
+
+\f
+/* The "intro" page of the assistant. */
+
+static void on_intro_amount_changed (struct import_assistant *);
+
+/* Initializes IA's intro substructure. */
+void
+init_intro_page (struct import_assistant *ia)
+{
+ GtkBuilder *builder = ia->asst.builder;
+ struct intro_page *p = &ia->intro;
+ struct string s;
+ GtkWidget *hbox_n_cases ;
+ GtkWidget *hbox_percent ;
+ GtkWidget *table ;
+
+
+ p->n_cases_spin = gtk_spin_button_new_with_range (0, INT_MAX, 100);
+
+ hbox_n_cases = psppire_scanf_new (_("Only the first %4d cases"), &p->n_cases_spin);
+
+ table = get_widget_assert (builder, "button-table");
+
+ gtk_table_attach_defaults (GTK_TABLE (table), hbox_n_cases,
+ 1, 2,
+ 1, 2);
+
+ p->percent_spin = gtk_spin_button_new_with_range (0, 100, 10);
+
+ hbox_percent = psppire_scanf_new (_("Only the first %3d %% of file (approximately)"), &p->percent_spin);
+
+ gtk_table_attach_defaults (GTK_TABLE (table), hbox_percent,
+ 1, 2,
+ 2, 3);
+
+ p->page = add_page_to_assistant (ia, get_widget_assert (builder, "Intro"),
+ GTK_ASSISTANT_PAGE_INTRO);
+
+ p->all_cases_button = get_widget_assert (builder, "import-all-cases");
+
+ p->n_cases_button = get_widget_assert (builder, "import-n-cases");
+
+ p->percent_button = get_widget_assert (builder, "import-percent");
+
+ g_signal_connect_swapped (p->all_cases_button, "toggled",
+ G_CALLBACK (on_intro_amount_changed), ia);
+ g_signal_connect_swapped (p->n_cases_button, "toggled",
+ G_CALLBACK (on_intro_amount_changed), ia);
+ g_signal_connect_swapped (p->percent_button, "toggled",
+ G_CALLBACK (on_intro_amount_changed), ia);
+
+ on_intro_amount_changed (ia);
+
+ ds_init_empty (&s);
+ ds_put_cstr (&s, _("This assistant will guide you through the process of "
+ "importing data into PSPP from a text file with one line "
+ "per case, in which fields are separated by tabs, "
+ "commas, or other delimiters.\n\n"));
+ if (ia->file.total_is_exact)
+ ds_put_format (
+ &s, ngettext ("The selected file contains %zu line of text. ",
+ "The selected file contains %zu lines of text. ",
+ ia->file.line_cnt),
+ ia->file.line_cnt);
+ else if (ia->file.total_lines > 0)
+ {
+ ds_put_format (
+ &s, ngettext (
+ "The selected file contains approximately %lu line of text. ",
+ "The selected file contains approximately %lu lines of text. ",
+ ia->file.total_lines),
+ ia->file.total_lines);
+ ds_put_format (
+ &s, ngettext (
+ "Only the first %zu line of the file will be shown for "
+ "preview purposes in the following screens. ",
+ "Only the first %zu lines of the file will be shown for "
+ "preview purposes in the following screens. ",
+ ia->file.line_cnt),
+ ia->file.line_cnt);
+ }
+ ds_put_cstr (&s, _("You may choose below how much of the file should "
+ "actually be imported."));
+ gtk_label_set_text (GTK_LABEL (get_widget_assert (builder, "intro-label")),
+ ds_cstr (&s));
+ ds_destroy (&s);
+}
+
+/* Resets IA's intro page to its initial state. */
+void
+reset_intro_page (struct import_assistant *ia)
+{
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (ia->intro.all_cases_button),
+ true);
+}
+
+/* Called when one of the radio buttons is clicked. */
+static void
+on_intro_amount_changed (struct import_assistant *ia)
+{
+ struct intro_page *p = &ia->intro;
+
+ gtk_widget_set_sensitive (p->n_cases_spin,
+ gtk_toggle_button_get_active (
+ GTK_TOGGLE_BUTTON (p->n_cases_button)));
+
+ gtk_widget_set_sensitive (p->percent_spin,
+ gtk_toggle_button_get_active (
+ GTK_TOGGLE_BUTTON (p->percent_button)));
+}
--- /dev/null
+/* PSPPIRE - a graphical user interface for PSPP.
+ Copyright (C) 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+#include "ui/gui/text-data-import-dialog.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <gtk-contrib/psppire-sheet.h>
+#include <gtk/gtk.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+
+#include "data/data-in.h"
+#include "data/data-out.h"
+#include "data/format-guesser.h"
+#include "data/value-labels.h"
+#include "language/data-io/data-parser.h"
+#include "language/lexer/lexer.h"
+#include "libpspp/assertion.h"
+#include "libpspp/i18n.h"
+#include "libpspp/line-reader.h"
+#include "libpspp/message.h"
+#include "ui/gui/checkbox-treeview.h"
+#include "ui/gui/dialog-common.h"
+#include "ui/gui/executor.h"
+#include "ui/gui/helper.h"
+#include "ui/gui/builder-wrapper.h"
+#include "ui/gui/psppire-data-window.h"
+#include "ui/gui/psppire-dialog.h"
+#include "ui/gui/psppire-encoding-selector.h"
+#include "ui/gui/psppire-empty-list-store.h"
+#include "ui/gui/psppire-var-sheet.h"
+#include "ui/gui/psppire-var-store.h"
+#include "ui/gui/psppire-scanf.h"
+#include "ui/syntax-gen.h"
+
+#include "gl/error.h"
+#include "gl/intprops.h"
+#include "gl/xalloc.h"
+
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+#define N_(msgid) msgid
+
+\f
+/* The "separators" page of the assistant. */
+
+static void revise_fields_preview (struct import_assistant *ia);
+static void choose_likely_separators (struct import_assistant *ia);
+static void find_commonest_chars (unsigned long int histogram[UCHAR_MAX + 1],
+ const char *targets, const char *def,
+ struct string *result);
+static void clear_fields (struct import_assistant *ia);
+static void revise_fields_preview (struct import_assistant *);
+static void set_separators (struct import_assistant *);
+static void get_separators (struct import_assistant *);
+static void on_separators_custom_entry_notify (GObject *UNUSED,
+ GParamSpec *UNUSED,
+ struct import_assistant *);
+static void on_separators_custom_cb_toggle (GtkToggleButton *custom_cb,
+ struct import_assistant *);
+static void on_quote_combo_change (GtkComboBox *combo,
+ struct import_assistant *);
+static void on_quote_cb_toggle (GtkToggleButton *quote_cb,
+ struct import_assistant *);
+static void on_separator_toggle (GtkToggleButton *, struct import_assistant *);
+
+/* A common field separator and its identifying name. */
+struct separator
+ {
+ const char *name; /* Name (for use with get_widget_assert). */
+ int c; /* Separator character. */
+ };
+
+/* All the separators in the dialog box. */
+static const struct separator separators[] =
+ {
+ {"space", ' '},
+ {"tab", '\t'},
+ {"bang", '!'},
+ {"colon", ':'},
+ {"comma", ','},
+ {"hyphen", '-'},
+ {"pipe", '|'},
+ {"semicolon", ';'},
+ {"slash", '/'},
+ };
+#define SEPARATOR_CNT (sizeof separators / sizeof *separators)
+
+static void
+set_quote_list (GtkComboBoxEntry *cb)
+{
+ GtkListStore *list = gtk_list_store_new (1, G_TYPE_STRING);
+ GtkTreeIter iter;
+ gint i;
+ const gchar *seperator[3] = {"'\"", "\'", "\""};
+
+ for (i = 0; i < 3; i++)
+ {
+ const gchar *s = seperator[i];
+
+ /* Add a new row to the model */
+ gtk_list_store_append (list, &iter);
+ gtk_list_store_set (list, &iter,
+ 0, s,
+ -1);
+
+ }
+
+ gtk_combo_box_set_model (GTK_COMBO_BOX (cb), GTK_TREE_MODEL (list));
+ g_object_unref (list);
+
+ gtk_combo_box_entry_set_text_column (cb, 0);
+}
+
+/* Initializes IA's separators substructure. */
+void
+init_separators_page (struct import_assistant *ia)
+{
+ GtkBuilder *builder = ia->asst.builder;
+ struct separators_page *p = &ia->separators;
+ size_t i;
+
+ choose_likely_separators (ia);
+
+ p->page = add_page_to_assistant (ia, get_widget_assert (builder, "Separators"),
+ GTK_ASSISTANT_PAGE_CONTENT);
+ p->custom_cb = get_widget_assert (builder, "custom-cb");
+ p->custom_entry = get_widget_assert (builder, "custom-entry");
+ p->quote_combo = get_widget_assert (builder, "quote-combo");
+ p->quote_entry = GTK_ENTRY (gtk_bin_get_child (GTK_BIN (p->quote_combo)));
+ p->quote_cb = get_widget_assert (builder, "quote-cb");
+ p->escape_cb = get_widget_assert (builder, "escape");
+
+ set_separators (ia);
+ set_quote_list (GTK_COMBO_BOX_ENTRY (p->quote_combo));
+ p->fields_tree_view = GTK_TREE_VIEW (get_widget_assert (builder, "fields"));
+ g_signal_connect (p->quote_combo, "changed",
+ G_CALLBACK (on_quote_combo_change), ia);
+ g_signal_connect (p->quote_cb, "toggled",
+ G_CALLBACK (on_quote_cb_toggle), ia);
+ g_signal_connect (p->custom_entry, "notify::text",
+ G_CALLBACK (on_separators_custom_entry_notify), ia);
+ g_signal_connect (p->custom_cb, "toggled",
+ G_CALLBACK (on_separators_custom_cb_toggle), ia);
+ for (i = 0; i < SEPARATOR_CNT; i++)
+ g_signal_connect (get_widget_assert (builder, separators[i].name),
+ "toggled", G_CALLBACK (on_separator_toggle), ia);
+ g_signal_connect (p->escape_cb, "toggled",
+ G_CALLBACK (on_separator_toggle), ia);
+}
+
+/* Frees IA's separators substructure. */
+void
+destroy_separators_page (struct import_assistant *ia)
+{
+ struct separators_page *s = &ia->separators;
+
+ ds_destroy (&s->separators);
+ ds_destroy (&s->quotes);
+ clear_fields (ia);
+}
+
+/* Called just before the separators page becomes visible in the
+ assistant. */
+void
+prepare_separators_page (struct import_assistant *ia)
+{
+ revise_fields_preview (ia);
+}
+
+/* Called when the Reset button is clicked on the separators
+ page, resets the separators to the defaults. */
+void
+reset_separators_page (struct import_assistant *ia)
+{
+ choose_likely_separators (ia);
+ set_separators (ia);
+}
+
+/* Frees and clears the column data in IA's separators
+ substructure. */
+static void
+clear_fields (struct import_assistant *ia)
+{
+ struct separators_page *s = &ia->separators;
+
+ if (s->column_cnt > 0)
+ {
+ struct column *col;
+ size_t row;
+
+ for (row = 0; row < ia->file.line_cnt; row++)
+ {
+ const struct string *line = &ia->file.lines[row];
+ const char *line_start = ds_data (line);
+ const char *line_end = ds_end (line);
+
+ for (col = s->columns; col < &s->columns[s->column_cnt]; col++)
+ {
+ char *s = ss_data (col->contents[row]);
+ if (!(s >= line_start && s <= line_end))
+ ss_dealloc (&col->contents[row]);
+ }
+ }
+
+ for (col = s->columns; col < &s->columns[s->column_cnt]; col++)
+ {
+ free (col->name);
+ free (col->contents);
+ }
+
+ free (s->columns);
+ s->columns = NULL;
+ s->column_cnt = 0;
+ }
+}
+
+/* Breaks the file data in IA into columns based on the
+ separators set in IA's separators substructure. */
+static void
+split_fields (struct import_assistant *ia)
+{
+ struct separators_page *s = &ia->separators;
+ size_t columns_allocated;
+ bool space_sep;
+ size_t row;
+
+ clear_fields (ia);
+
+ /* Is space in the set of separators? */
+ space_sep = ss_find_byte (ds_ss (&s->separators), ' ') != SIZE_MAX;
+
+ /* Split all the lines, not just those from
+ ia->first_line.skip_lines on, so that we split the line that
+ contains variables names if ia->first_line.variable_names is
+ true. */
+ columns_allocated = 0;
+ for (row = 0; row < ia->file.line_cnt; row++)
+ {
+ struct string *line = &ia->file.lines[row];
+ struct substring text = ds_ss (line);
+ size_t column_idx;
+
+ for (column_idx = 0; ; column_idx++)
+ {
+ struct substring field;
+ struct column *column;
+
+ if (space_sep)
+ ss_ltrim (&text, ss_cstr (" "));
+ if (ss_is_empty (text))
+ {
+ if (column_idx != 0)
+ break;
+ field = text;
+ }
+ else if (!ds_is_empty (&s->quotes)
+ && ds_find_byte (&s->quotes, text.string[0]) != SIZE_MAX)
+ {
+ int quote = ss_get_byte (&text);
+ if (!s->escape)
+ ss_get_until (&text, quote, &field);
+ else
+ {
+ struct string s;
+ int c;
+
+ ds_init_empty (&s);
+ while ((c = ss_get_byte (&text)) != EOF)
+ if (c != quote)
+ ds_put_byte (&s, c);
+ else if (ss_match_byte (&text, quote))
+ ds_put_byte (&s, quote);
+ else
+ break;
+ field = ds_ss (&s);
+ }
+ }
+ else
+ ss_get_bytes (&text, ss_cspan (text, ds_ss (&s->separators)),
+ &field);
+
+ if (column_idx >= s->column_cnt)
+ {
+ struct column *column;
+
+ if (s->column_cnt >= columns_allocated)
+ s->columns = x2nrealloc (s->columns, &columns_allocated,
+ sizeof *s->columns);
+ column = &s->columns[s->column_cnt++];
+ column->name = NULL;
+ column->width = 0;
+ column->contents = xcalloc (ia->file.line_cnt,
+ sizeof *column->contents);
+ }
+ column = &s->columns[column_idx];
+ column->contents[row] = field;
+ if (ss_length (field) > column->width)
+ column->width = ss_length (field);
+
+ if (space_sep)
+ ss_ltrim (&text, ss_cstr (" "));
+ if (ss_is_empty (text))
+ break;
+ if (ss_find_byte (ds_ss (&s->separators), ss_first (text))
+ != SIZE_MAX)
+ ss_advance (&text, 1);
+ }
+ }
+}
+
+/* Chooses a name for each column on the separators page */
+static void
+choose_column_names (struct import_assistant *ia)
+{
+ const struct first_line_page *f = &ia->first_line;
+ struct separators_page *s = &ia->separators;
+ struct dictionary *dict;
+ unsigned long int generated_name_count = 0;
+ struct column *col;
+ size_t name_row;
+
+ dict = dict_create (get_default_encoding ());
+ name_row = f->variable_names && f->skip_lines ? f->skip_lines : 0;
+ for (col = s->columns; col < &s->columns[s->column_cnt]; col++)
+ {
+ char *hint, *name;
+
+ hint = name_row ? ss_xstrdup (col->contents[name_row - 1]) : NULL;
+ name = dict_make_unique_var_name (dict, hint, &generated_name_count);
+ free (hint);
+
+ col->name = name;
+ dict_create_var_assert (dict, name, 0);
+ }
+ dict_destroy (dict);
+}
+
+/* Picks the most likely separator and quote characters based on
+ IA's file data. */
+static void
+choose_likely_separators (struct import_assistant *ia)
+{
+ unsigned long int histogram[UCHAR_MAX + 1] = { 0 };
+ size_t row;
+
+ /* Construct a histogram of all the characters used in the
+ file. */
+ for (row = 0; row < ia->file.line_cnt; row++)
+ {
+ struct substring line = ds_ss (&ia->file.lines[row]);
+ size_t length = ss_length (line);
+ size_t i;
+ for (i = 0; i < length; i++)
+ histogram[(unsigned char) line.string[i]]++;
+ }
+
+ find_commonest_chars (histogram, "\"'", "", &ia->separators.quotes);
+ find_commonest_chars (histogram, ",;:/|!\t-", ",",
+ &ia->separators.separators);
+ ia->separators.escape = true;
+}
+
+/* Chooses the most common character among those in TARGETS,
+ based on the frequency data in HISTOGRAM, and stores it in
+ RESULT. If there is a tie for the most common character among
+ those in TARGETS, the earliest character is chosen. If none
+ of the TARGETS appear at all, then DEF is used as a
+ fallback. */
+static void
+find_commonest_chars (unsigned long int histogram[UCHAR_MAX + 1],
+ const char *targets, const char *def,
+ struct string *result)
+{
+ unsigned char max = 0;
+ unsigned long int max_count = 0;
+
+ for (; *targets != '\0'; targets++)
+ {
+ unsigned char c = *targets;
+ unsigned long int count = histogram[c];
+ if (count > max_count)
+ {
+ max = c;
+ max_count = count;
+ }
+ }
+ if (max_count > 0)
+ {
+ ds_clear (result);
+ ds_put_byte (result, max);
+ }
+ else
+ ds_assign_cstr (result, def);
+}
+
+/* Revises the contents of the fields tree view based on the
+ currently chosen set of separators. */
+static void
+revise_fields_preview (struct import_assistant *ia)
+{
+ GtkWidget *w;
+
+ push_watch_cursor (ia);
+
+ w = GTK_WIDGET (ia->separators.fields_tree_view);
+ gtk_widget_destroy (w);
+ get_separators (ia);
+ split_fields (ia);
+ choose_column_names (ia);
+ ia->separators.fields_tree_view = create_data_tree_view (
+ true,
+ GTK_CONTAINER (get_widget_assert (ia->asst.builder, "fields-scroller")),
+ ia);
+
+ pop_watch_cursor (ia);
+}
+
+/* Sets the widgets to match IA's separators substructure. */
+static void
+set_separators (struct import_assistant *ia)
+{
+ struct separators_page *s = &ia->separators;
+ unsigned int seps;
+ struct string custom;
+ bool any_custom;
+ bool any_quotes;
+ size_t i;
+
+ ds_init_empty (&custom);
+ seps = 0;
+ for (i = 0; i < ds_length (&s->separators); i++)
+ {
+ unsigned char c = ds_at (&s->separators, i);
+ int j;
+
+ for (j = 0; j < SEPARATOR_CNT; j++)
+ {
+ const struct separator *s = &separators[j];
+ if (s->c == c)
+ {
+ seps += 1u << j;
+ goto next;
+ }
+ }
+
+ ds_put_byte (&custom, c);
+ next:;
+ }
+
+ for (i = 0; i < SEPARATOR_CNT; i++)
+ {
+ const struct separator *s = &separators[i];
+ GtkWidget *button = get_widget_assert (ia->asst.builder, s->name);
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button),
+ (seps & (1u << i)) != 0);
+ }
+ any_custom = !ds_is_empty (&custom);
+ gtk_entry_set_text (GTK_ENTRY (s->custom_entry), ds_cstr (&custom));
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (s->custom_cb),
+ any_custom);
+ gtk_widget_set_sensitive (s->custom_entry, any_custom);
+ ds_destroy (&custom);
+
+ any_quotes = !ds_is_empty (&s->quotes);
+
+ gtk_entry_set_text (s->quote_entry,
+ any_quotes ? ds_cstr (&s->quotes) : "\"");
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (s->quote_cb),
+ any_quotes);
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (s->escape_cb),
+ s->escape);
+ gtk_widget_set_sensitive (s->quote_combo, any_quotes);
+ gtk_widget_set_sensitive (s->escape_cb, any_quotes);
+}
+
+/* Sets IA's separators substructure to match the widgets. */
+static void
+get_separators (struct import_assistant *ia)
+{
+ struct separators_page *s = &ia->separators;
+ int i;
+
+ ds_clear (&s->separators);
+ for (i = 0; i < SEPARATOR_CNT; i++)
+ {
+ const struct separator *sep = &separators[i];
+ GtkWidget *button = get_widget_assert (ia->asst.builder, sep->name);
+ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)))
+ ds_put_byte (&s->separators, sep->c);
+ }
+
+ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (s->custom_cb)))
+ ds_put_cstr (&s->separators,
+ gtk_entry_get_text (GTK_ENTRY (s->custom_entry)));
+
+ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (s->quote_cb)))
+ {
+ gchar *text = gtk_combo_box_get_active_text (
+ GTK_COMBO_BOX (s->quote_combo));
+ ds_assign_cstr (&s->quotes, text);
+ g_free (text);
+ }
+ else
+ ds_clear (&s->quotes);
+ s->escape = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (s->escape_cb));
+}
+
+/* Called when the user changes the entry field for custom
+ separators. */
+static void
+on_separators_custom_entry_notify (GObject *gobject UNUSED,
+ GParamSpec *arg1 UNUSED,
+ struct import_assistant *ia)
+{
+ revise_fields_preview (ia);
+}
+
+/* Called when the user toggles the checkbox that enables custom
+ separators. */
+static void
+on_separators_custom_cb_toggle (GtkToggleButton *custom_cb,
+ struct import_assistant *ia)
+{
+ bool is_active = gtk_toggle_button_get_active (custom_cb);
+ gtk_widget_set_sensitive (ia->separators.custom_entry, is_active);
+ revise_fields_preview (ia);
+}
+
+/* Called when the user changes the selection in the combo box
+ that selects a quote character. */
+static void
+on_quote_combo_change (GtkComboBox *combo, struct import_assistant *ia)
+{
+ revise_fields_preview (ia);
+}
+
+/* Called when the user toggles the checkbox that enables
+ quoting. */
+static void
+on_quote_cb_toggle (GtkToggleButton *quote_cb, struct import_assistant *ia)
+{
+ bool is_active = gtk_toggle_button_get_active (quote_cb);
+ gtk_widget_set_sensitive (ia->separators.quote_combo, is_active);
+ gtk_widget_set_sensitive (ia->separators.escape_cb, is_active);
+ revise_fields_preview (ia);
+}
+
+/* Called when the user toggles one of the separators
+ checkboxes. */
+static void
+on_separator_toggle (GtkToggleButton *toggle UNUSED,
+ struct import_assistant *ia)
+{
+ revise_fields_preview (ia);
+}
+
/* PSPPIRE - a graphical user interface for PSPP.
- Copyright (C) 2008, 2009, 2010, 2011, 2012 Free Software Foundation
+ Copyright (C) 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
struct import_assistant;
-/* The file to be imported. */
-struct file
- {
- char *file_name; /* File name. */
- gchar *encoding; /* Encoding. */
- unsigned long int total_lines; /* Number of lines in file. */
- bool total_is_exact; /* Is total_lines exact (or an estimate)? */
-
- /* The first several lines of the file. */
- struct string *lines;
- size_t line_cnt;
- };
-static bool init_file (struct import_assistant *, GtkWindow *parent);
-static void destroy_file (struct import_assistant *);
-
-/* The main body of the GTK+ assistant and related data. */
-struct assistant
- {
- GtkBuilder *builder;
- GtkAssistant *assistant;
- GMainLoop *main_loop;
- GtkWidget *paste_button;
- GtkWidget *reset_button;
- int response;
- int watch_cursor;
-
- GtkCellRenderer *prop_renderer;
- GtkCellRenderer *fixed_renderer;
- };
-static void init_assistant (struct import_assistant *, GtkWindow *);
-static void destroy_assistant (struct import_assistant *);
-static GtkWidget *add_page_to_assistant (struct import_assistant *,
- GtkWidget *page,
- GtkAssistantPageType);
-
-/* The introduction page of the assistant. */
-struct intro_page
- {
- GtkWidget *page;
- GtkWidget *all_cases_button;
- GtkWidget *n_cases_button;
- GtkWidget *n_cases_spin;
- GtkWidget *percent_button;
- GtkWidget *percent_spin;
- };
-static void init_intro_page (struct import_assistant *);
-static void reset_intro_page (struct import_assistant *);
-
-/* Page where the user chooses the first line of data. */
-struct first_line_page
- {
- int skip_lines; /* Number of initial lines to skip? */
- bool variable_names; /* Variable names above first line of data? */
-
- GtkWidget *page;
- GtkTreeView *tree_view;
- GtkWidget *variable_names_cb;
- };
-static void init_first_line_page (struct import_assistant *);
-static void reset_first_line_page (struct import_assistant *);
-
-/* Page where the user chooses field separators. */
-struct separators_page
- {
- /* How to break lines into columns. */
- struct string separators; /* Field separators. */
- struct string quotes; /* Quote characters. */
- bool escape; /* Doubled quotes yield a quote mark? */
-
- /* The columns produced thereby. */
- struct column *columns; /* Information about each column. */
- size_t column_cnt; /* Number of columns. */
-
- GtkWidget *page;
- GtkWidget *custom_cb;
- GtkWidget *custom_entry;
- GtkWidget *quote_cb;
- GtkWidget *quote_combo;
- GtkEntry *quote_entry;
- GtkWidget *escape_cb;
- GtkTreeView *fields_tree_view;
- };
-/* The columns that the separators divide the data into. */
-struct column
- {
- /* Variable name for this column. This is the variable name
- used on the separators page; it can be overridden by the
- user on the formats page. */
- char *name;
-
- /* Maximum length of any row in this column. */
- size_t width;
-
- /* Contents of this column: contents[row] is the contents for
- the given row.
-
- A null substring indicates a missing column for that row
- (because the line contains an insufficient number of
- separators).
-
- contents[] elements may be substrings of the lines[]
- strings that represent the whole lines of the file, to
- save memory. Other elements are dynamically allocated
- with ss_alloc_substring. */
- struct substring *contents;
- };
-static void init_separators_page (struct import_assistant *);
-static void destroy_separators_page (struct import_assistant *);
-static void prepare_separators_page (struct import_assistant *);
-static void reset_separators_page (struct import_assistant *);
-
-/* Page where the user verifies and adjusts input formats. */
-struct formats_page
- {
- struct dictionary *dict;
-
- GtkWidget *page;
- GtkTreeView *data_tree_view;
- PsppireDict *psppire_dict;
- struct variable **modified_vars;
- size_t modified_var_cnt;
- };
-static void init_formats_page (struct import_assistant *);
-static void destroy_formats_page (struct import_assistant *);
-static void prepare_formats_page (struct import_assistant *);
-static void reset_formats_page (struct import_assistant *);
-
-struct import_assistant
- {
- struct file file;
- struct assistant asst;
- struct intro_page intro;
- struct first_line_page first_line;
- struct separators_page separators;
- struct formats_page formats;
- };
-
static void apply_dict (const struct dictionary *, struct string *);
static char *generate_syntax (const struct import_assistant *);
-static gboolean get_tooltip_location (GtkWidget *widget, gint wx, gint wy,
- const struct import_assistant *,
- size_t *row, size_t *column);
-static void make_tree_view (const struct import_assistant *ia,
- size_t first_line,
- GtkTreeView **tree_view);
static void add_line_number_column (const struct import_assistant *,
GtkTreeView *);
-static gint get_monospace_width (GtkTreeView *, GtkCellRenderer *,
- size_t char_cnt);
-static gint get_string_width (GtkTreeView *, GtkCellRenderer *,
- const char *string);
-static GtkTreeViewColumn *make_data_column (struct import_assistant *,
- GtkTreeView *, bool input,
- gint column_idx);
-static GtkTreeView *create_data_tree_view (bool input, GtkContainer *parent,
- struct import_assistant *);
-static void push_watch_cursor (struct import_assistant *);
-static void pop_watch_cursor (struct import_assistant *);
-
/* Pops up the Text Data Import assistant. */
void
text_data_import_assistant (PsppireDataWindow *dw)
return ds_cstr (&s);
}
-\f
-/* Choosing a file and reading it. */
-
-static char *choose_file (GtkWindow *parent_window, gchar **encodingp);
-
-/* Obtains the file to import from the user and initializes IA's
- file substructure. PARENT_WINDOW must be the window to use
- as the file chooser window's parent.
-
- Returns true if successful, false if the file name could not
- be obtained or the file could not be read. */
-static bool
-init_file (struct import_assistant *ia, GtkWindow *parent_window)
-{
- struct file *file = &ia->file;
- enum { MAX_PREVIEW_LINES = 1000 }; /* Max number of lines to read. */
- enum { MAX_LINE_LEN = 16384 }; /* Max length of an acceptable line. */
- struct line_reader *reader;
- struct string input;
-
- file->file_name = choose_file (parent_window, &file->encoding);
- if (file->file_name == NULL)
- return false;
-
- reader = line_reader_for_file (file->encoding, file->file_name, O_RDONLY);
- if (reader == NULL)
- {
- msg (ME, _("Could not open `%s': %s"),
- file->file_name, strerror (errno));
- return false;
- }
-
- ds_init_empty (&input);
- file->lines = xnmalloc (MAX_PREVIEW_LINES, sizeof *file->lines);
- for (; file->line_cnt < MAX_PREVIEW_LINES; file->line_cnt++)
- {
- ds_clear (&input);
- if (!line_reader_read (reader, &input, MAX_LINE_LEN + 1)
- || ds_length (&input) > MAX_LINE_LEN)
- {
- if (line_reader_eof (reader))
- break;
- else if (line_reader_error (reader))
- msg (ME, _("Error reading `%s': %s"),
- file->file_name, strerror (line_reader_error (reader)));
- else
- msg (ME, _("Failed to read `%s', because it contains a line "
- "over %d bytes long and therefore appears not to be "
- "a text file."),
- file->file_name, MAX_LINE_LEN);
- line_reader_close (reader);
- destroy_file (ia);
- ds_destroy (&input);
- return false;
- }
-
- ds_init_cstr (&file->lines[file->line_cnt],
- recode_string ("UTF-8", line_reader_get_encoding (reader),
- ds_cstr (&input), ds_length (&input)));
- }
- ds_destroy (&input);
-
- if (file->line_cnt == 0)
- {
- msg (ME, _("`%s' is empty."), file->file_name);
- line_reader_close (reader);
- destroy_file (ia);
- return false;
- }
-
- /* Estimate the number of lines in the file. */
- if (file->line_cnt < MAX_PREVIEW_LINES)
- file->total_lines = file->line_cnt;
- else
- {
- struct stat s;
- off_t position = line_reader_tell (reader);
- if (fstat (line_reader_fileno (reader), &s) == 0 && position > 0)
- file->total_lines = (double) file->line_cnt / position * s.st_size;
- else
- file->total_lines = 0;
- }
-
- line_reader_close (reader);
-
- return true;
-}
-
-/* Frees IA's file substructure. */
-static void
-destroy_file (struct import_assistant *ia)
-{
- struct file *f = &ia->file;
- size_t i;
-
- for (i = 0; i < f->line_cnt; i++)
- ds_destroy (&f->lines[i]);
- free (f->lines);
- g_free (f->file_name);
- g_free (f->encoding);
-}
-
-/* Obtains the file to read from the user. If successful, returns the name of
- the file and stores the user's chosen encoding for the file into *ENCODINGP.
- The caller must free each of these strings with g_free().
-
- On failure, stores a null pointer and stores NULL in *ENCODINGP.
-
- PARENT_WINDOW must be the window to use as the file chooser window's
- parent. */
-static char *
-choose_file (GtkWindow *parent_window, gchar **encodingp)
-{
- char *file_name;
- GtkFileFilter *filter = NULL;
-
- GtkWidget *dialog = gtk_file_chooser_dialog_new (_("Import Delimited Text Data"),
- parent_window,
- GTK_FILE_CHOOSER_ACTION_OPEN,
- GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
- GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
- NULL);
-
- g_object_set (dialog, "local-only", FALSE, NULL);
-
- filter = gtk_file_filter_new ();
- gtk_file_filter_set_name (filter, _("Text files"));
- gtk_file_filter_add_mime_type (filter, "text/*");
- gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
-
- filter = gtk_file_filter_new ();
- gtk_file_filter_set_name (filter, _("Text (*.txt) Files"));
- gtk_file_filter_add_pattern (filter, "*.txt");
- gtk_file_filter_add_pattern (filter, "*.TXT");
- gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
-
- filter = gtk_file_filter_new ();
- gtk_file_filter_set_name (filter, _("Plain Text (ASCII) Files"));
- gtk_file_filter_add_mime_type (filter, "text/plain");
- gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
-
- filter = gtk_file_filter_new ();
- gtk_file_filter_set_name (filter, _("Comma Separated Value Files"));
- gtk_file_filter_add_mime_type (filter, "text/csv");
- gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
-
- /* I've never encountered one of these, but it's listed here:
- http://www.iana.org/assignments/media-types/text/tab-separated-values */
- filter = gtk_file_filter_new ();
- gtk_file_filter_set_name (filter, _("Tab Separated Value Files"));
- gtk_file_filter_add_mime_type (filter, "text/tab-separated-values");
- gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
-
- gtk_file_chooser_set_extra_widget (
- GTK_FILE_CHOOSER (dialog), psppire_encoding_selector_new ("Auto", true));
-
- filter = gtk_file_filter_new ();
- gtk_file_filter_set_name (filter, _("All Files"));
- gtk_file_filter_add_pattern (filter, "*");
- gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
-
- switch (gtk_dialog_run (GTK_DIALOG (dialog)))
- {
- case GTK_RESPONSE_ACCEPT:
- file_name = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
- *encodingp = psppire_encoding_selector_get_encoding (
- gtk_file_chooser_get_extra_widget (GTK_FILE_CHOOSER (dialog)));
- break;
- default:
- file_name = NULL;
- *encodingp = NULL;
- break;
- }
- gtk_widget_destroy (dialog);
-
- return file_name;
-}
-\f
-/* Assistant. */
-
-static void close_assistant (struct import_assistant *, int response);
-static void on_prepare (GtkAssistant *assistant, GtkWidget *page,
- struct import_assistant *);
-static void on_cancel (GtkAssistant *assistant, struct import_assistant *);
-static void on_close (GtkAssistant *assistant, struct import_assistant *);
-static void on_paste (GtkButton *button, struct import_assistant *);
-static void on_reset (GtkButton *button, struct import_assistant *);
-static void close_assistant (struct import_assistant *, int response);
-
-/* Initializes IA's asst substructure. PARENT_WINDOW must be the
- window to use as the assistant window's parent. */
-static void
-init_assistant (struct import_assistant *ia, GtkWindow *parent_window)
-{
- struct assistant *a = &ia->asst;
-
- a->builder = builder_new ("text-data-import.ui");
- a->assistant = GTK_ASSISTANT (gtk_assistant_new ());
- g_signal_connect (a->assistant, "prepare", G_CALLBACK (on_prepare), ia);
- g_signal_connect (a->assistant, "cancel", G_CALLBACK (on_cancel), ia);
- g_signal_connect (a->assistant, "close", G_CALLBACK (on_close), ia);
- a->paste_button = gtk_button_new_from_stock (GTK_STOCK_PASTE);
- gtk_assistant_add_action_widget (a->assistant, a->paste_button);
- g_signal_connect (a->paste_button, "clicked", G_CALLBACK (on_paste), ia);
- a->reset_button = gtk_button_new_from_stock ("pspp-stock-reset");
- gtk_assistant_add_action_widget (a->assistant, a->reset_button);
- g_signal_connect (a->reset_button, "clicked", G_CALLBACK (on_reset), ia);
- gtk_window_set_title (GTK_WINDOW (a->assistant),
- _("Importing Delimited Text Data"));
- gtk_window_set_transient_for (GTK_WINDOW (a->assistant), parent_window);
- gtk_window_set_icon_name (GTK_WINDOW (a->assistant), "pspp");
-
- a->prop_renderer = gtk_cell_renderer_text_new ();
- g_object_ref_sink (a->prop_renderer);
- a->fixed_renderer = gtk_cell_renderer_text_new ();
- g_object_ref_sink (a->fixed_renderer);
- g_object_set (G_OBJECT (a->fixed_renderer),
- "family", "Monospace",
- (void *) NULL);
-}
-
-/* Frees IA's asst substructure. */
-static void
-destroy_assistant (struct import_assistant *ia)
-{
- struct assistant *a = &ia->asst;
-
- g_object_unref (a->prop_renderer);
- g_object_unref (a->fixed_renderer);
- g_object_unref (a->builder);
-}
-
-/* Appends a page of the given TYPE, with PAGE as its content, to
- the GtkAssistant encapsulated by IA. Returns the GtkWidget
- that represents the page. */
-static GtkWidget *
-add_page_to_assistant (struct import_assistant *ia,
- GtkWidget *page, GtkAssistantPageType type)
-{
- const char *title;
- char *title_copy;
- GtkWidget *content;
-
- title = gtk_window_get_title (GTK_WINDOW (page));
- title_copy = xstrdup (title ? title : "");
-
- content = gtk_bin_get_child (GTK_BIN (page));
- assert (content);
- g_object_ref (content);
- gtk_container_remove (GTK_CONTAINER (page), content);
-
- gtk_widget_destroy (page);
-
- gtk_assistant_append_page (ia->asst.assistant, content);
- gtk_assistant_set_page_type (ia->asst.assistant, content, type);
- gtk_assistant_set_page_title (ia->asst.assistant, content, title_copy);
- gtk_assistant_set_page_complete (ia->asst.assistant, content, true);
-
- free (title_copy);
-
- return content;
-}
-
-/* Called just before PAGE is displayed as the current page of
- ASSISTANT, this updates IA content according to the new
- page. */
-static void
-on_prepare (GtkAssistant *assistant, GtkWidget *page,
- struct import_assistant *ia)
-{
-
- if (gtk_assistant_get_page_type (assistant, page)
- == GTK_ASSISTANT_PAGE_CONFIRM)
- gtk_widget_grab_focus (assistant->apply);
- else
- gtk_widget_grab_focus (assistant->forward);
-
- if (page == ia->separators.page)
- prepare_separators_page (ia);
- else if (page == ia->formats.page)
- prepare_formats_page (ia);
-
- gtk_widget_show (ia->asst.reset_button);
- if (page == ia->formats.page)
- gtk_widget_show (ia->asst.paste_button);
- else
- gtk_widget_hide (ia->asst.paste_button);
-}
-
-/* Called when the Cancel button in the assistant is clicked. */
-static void
-on_cancel (GtkAssistant *assistant, struct import_assistant *ia)
-{
- close_assistant (ia, GTK_RESPONSE_CANCEL);
-}
-
-/* Called when the Apply button on the last page of the assistant
- is clicked. */
-static void
-on_close (GtkAssistant *assistant, struct import_assistant *ia)
-{
- close_assistant (ia, GTK_RESPONSE_APPLY);
-}
-
-/* Called when the Paste button on the last page of the assistant
- is clicked. */
-static void
-on_paste (GtkButton *button, struct import_assistant *ia)
-{
- close_assistant (ia, PSPPIRE_RESPONSE_PASTE);
-}
-
-/* Called when the Reset button is clicked. */
-static void
-on_reset (GtkButton *button, struct import_assistant *ia)
-{
- gint page_num = gtk_assistant_get_current_page (ia->asst.assistant);
- GtkWidget *page = gtk_assistant_get_nth_page (ia->asst.assistant, page_num);
-
- if (page == ia->intro.page)
- reset_intro_page (ia);
- else if (page == ia->first_line.page)
- reset_first_line_page (ia);
- else if (page == ia->separators.page)
- reset_separators_page (ia);
- else if (page == ia->formats.page)
- reset_formats_page (ia);
-}
-
-/* Causes the assistant to close, returning RESPONSE for
- interpretation by text_data_import_assistant. */
-static void
-close_assistant (struct import_assistant *ia, int response)
-{
- ia->asst.response = response;
- g_main_loop_quit (ia->asst.main_loop);
- gtk_widget_hide (GTK_WIDGET (ia->asst.assistant));
-}
-\f
-/* The "intro" page of the assistant. */
-
-static void on_intro_amount_changed (struct import_assistant *);
-
-/* Initializes IA's intro substructure. */
-static void
-init_intro_page (struct import_assistant *ia)
-{
- GtkBuilder *builder = ia->asst.builder;
- struct intro_page *p = &ia->intro;
- struct string s;
- GtkWidget *hbox_n_cases ;
- GtkWidget *hbox_percent ;
- GtkWidget *table ;
-
-
- p->n_cases_spin = gtk_spin_button_new_with_range (0, INT_MAX, 100);
-
- hbox_n_cases = psppire_scanf_new (_("Only the first %4d cases"), &p->n_cases_spin);
-
- table = get_widget_assert (builder, "button-table");
-
- gtk_table_attach_defaults (GTK_TABLE (table), hbox_n_cases,
- 1, 2,
- 1, 2);
-
- p->percent_spin = gtk_spin_button_new_with_range (0, 100, 10);
-
- hbox_percent = psppire_scanf_new (_("Only the first %3d %% of file (approximately)"), &p->percent_spin);
-
- gtk_table_attach_defaults (GTK_TABLE (table), hbox_percent,
- 1, 2,
- 2, 3);
-
- p->page = add_page_to_assistant (ia, get_widget_assert (builder, "Intro"),
- GTK_ASSISTANT_PAGE_INTRO);
-
- p->all_cases_button = get_widget_assert (builder, "import-all-cases");
-
- p->n_cases_button = get_widget_assert (builder, "import-n-cases");
-
- p->percent_button = get_widget_assert (builder, "import-percent");
-
- g_signal_connect_swapped (p->all_cases_button, "toggled",
- G_CALLBACK (on_intro_amount_changed), ia);
- g_signal_connect_swapped (p->n_cases_button, "toggled",
- G_CALLBACK (on_intro_amount_changed), ia);
- g_signal_connect_swapped (p->percent_button, "toggled",
- G_CALLBACK (on_intro_amount_changed), ia);
-
- on_intro_amount_changed (ia);
-
- ds_init_empty (&s);
- ds_put_cstr (&s, _("This assistant will guide you through the process of "
- "importing data into PSPP from a text file with one line "
- "per case, in which fields are separated by tabs, "
- "commas, or other delimiters.\n\n"));
- if (ia->file.total_is_exact)
- ds_put_format (
- &s, ngettext ("The selected file contains %zu line of text. ",
- "The selected file contains %zu lines of text. ",
- ia->file.line_cnt),
- ia->file.line_cnt);
- else if (ia->file.total_lines > 0)
- {
- ds_put_format (
- &s, ngettext (
- "The selected file contains approximately %lu line of text. ",
- "The selected file contains approximately %lu lines of text. ",
- ia->file.total_lines),
- ia->file.total_lines);
- ds_put_format (
- &s, ngettext (
- "Only the first %zu line of the file will be shown for "
- "preview purposes in the following screens. ",
- "Only the first %zu lines of the file will be shown for "
- "preview purposes in the following screens. ",
- ia->file.line_cnt),
- ia->file.line_cnt);
- }
- ds_put_cstr (&s, _("You may choose below how much of the file should "
- "actually be imported."));
- gtk_label_set_text (GTK_LABEL (get_widget_assert (builder, "intro-label")),
- ds_cstr (&s));
- ds_destroy (&s);
-}
-
-/* Resets IA's intro page to its initial state. */
-static void
-reset_intro_page (struct import_assistant *ia)
-{
- gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (ia->intro.all_cases_button),
- true);
-}
-
-/* Called when one of the radio buttons is clicked. */
-static void
-on_intro_amount_changed (struct import_assistant *ia)
-{
- struct intro_page *p = &ia->intro;
-
- gtk_widget_set_sensitive (p->n_cases_spin,
- gtk_toggle_button_get_active (
- GTK_TOGGLE_BUTTON (p->n_cases_button)));
-
- gtk_widget_set_sensitive (p->percent_spin,
- gtk_toggle_button_get_active (
- GTK_TOGGLE_BUTTON (p->percent_button)));
-}
-\f
-/* The "first line" page of the assistant. */
-
-static GtkTreeView *create_lines_tree_view (GtkContainer *parent_window,
- struct import_assistant *);
-static void on_first_line_change (GtkTreeSelection *,
- struct import_assistant *);
-static void on_variable_names_cb_toggle (GtkToggleButton *,
- struct import_assistant *);
-static void set_first_line (struct import_assistant *);
-static void get_first_line (struct import_assistant *);
-
-/* Initializes IA's first_line substructure. */
-static void
-init_first_line_page (struct import_assistant *ia)
-{
- struct first_line_page *p = &ia->first_line;
- GtkBuilder *builder = ia->asst.builder;
-
- p->page = add_page_to_assistant (ia, get_widget_assert (builder, "FirstLine"),
- GTK_ASSISTANT_PAGE_CONTENT);
- gtk_widget_destroy (get_widget_assert (builder, "first-line"));
- p->tree_view = create_lines_tree_view (
- GTK_CONTAINER (get_widget_assert (builder, "first-line-scroller")), ia);
- p->variable_names_cb = get_widget_assert (builder, "variable-names");
- gtk_tree_selection_set_mode (
- gtk_tree_view_get_selection (GTK_TREE_VIEW (p->tree_view)),
- GTK_SELECTION_BROWSE);
- set_first_line (ia);
- g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (p->tree_view)),
- "changed", G_CALLBACK (on_first_line_change), ia);
- g_signal_connect (p->variable_names_cb, "toggled",
- G_CALLBACK (on_variable_names_cb_toggle), ia);
-}
-/* Resets the first_line page to its initial content. */
-static void
-reset_first_line_page (struct import_assistant *ia)
-{
- ia->first_line.skip_lines = 0;
- ia->first_line.variable_names = false;
- set_first_line (ia);
-}
-static void
-render_line (GtkTreeViewColumn *tree_column,
- GtkCellRenderer *cell,
- GtkTreeModel *tree_model,
- GtkTreeIter *iter,
- gpointer data)
-{
- gint row = empty_list_store_iter_to_row (iter);
- struct string *lines;
- lines = g_object_get_data (G_OBJECT (tree_model), "lines");
- g_return_if_fail (lines != NULL);
-
- g_object_set (cell, "text", ds_cstr (&lines[row]), NULL);
-}
-
-
-/* Creates and returns a tree view that contains each of the
- lines in IA's file as a row. */
-static GtkTreeView *
-create_lines_tree_view (GtkContainer *parent, struct import_assistant *ia)
-{
- GtkTreeView *tree_view;
- GtkTreeViewColumn *column;
- size_t max_line_length;
- gint content_width, header_width;
- size_t i;
- const gchar *title = _("Text");
-
- make_tree_view (ia, 0, &tree_view);
-
- column = gtk_tree_view_column_new_with_attributes (
- title, ia->asst.fixed_renderer, (void *) NULL);
- gtk_tree_view_column_set_cell_data_func (column, ia->asst.fixed_renderer,
- render_line, NULL, NULL);
- gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
-
- max_line_length = 0;
- for (i = 0; i < ia->file.line_cnt; i++)
- {
- size_t w = ds_length (&ia->file.lines[i]);
- max_line_length = MAX (max_line_length, w);
- }
-
- content_width = get_monospace_width (tree_view, ia->asst.fixed_renderer,
- max_line_length);
- header_width = get_string_width (tree_view, ia->asst.prop_renderer, title);
- gtk_tree_view_column_set_fixed_width (column, MAX (content_width,
- header_width));
- gtk_tree_view_append_column (tree_view, column);
-
- gtk_tree_view_set_fixed_height_mode (tree_view, true);
-
- gtk_container_add (parent, GTK_WIDGET (tree_view));
- gtk_widget_show (GTK_WIDGET (tree_view));
-
- return tree_view;
-}
-
-/* Called when the line selected in the first_line tree view
- changes. */
-static void
-on_first_line_change (GtkTreeSelection *selection UNUSED,
- struct import_assistant *ia)
-{
- get_first_line (ia);
-}
-
-/* Called when the checkbox that indicates whether variable
- names are in the row above the first line is toggled. */
-static void
-on_variable_names_cb_toggle (GtkToggleButton *variable_names_cb UNUSED,
- struct import_assistant *ia)
-{
- get_first_line (ia);
-}
-
-/* Sets the widgets to match IA's first_line substructure. */
-static void
-set_first_line (struct import_assistant *ia)
-{
- GtkTreePath *path;
-
- path = gtk_tree_path_new_from_indices (ia->first_line.skip_lines, -1);
- gtk_tree_view_set_cursor (GTK_TREE_VIEW (ia->first_line.tree_view),
- path, NULL, false);
- gtk_tree_path_free (path);
-
- gtk_toggle_button_set_active (
- GTK_TOGGLE_BUTTON (ia->first_line.variable_names_cb),
- ia->first_line.variable_names);
- gtk_widget_set_sensitive (ia->first_line.variable_names_cb,
- ia->first_line.skip_lines > 0);
-}
-
-/* Sets IA's first_line substructure to match the widgets. */
-static void
-get_first_line (struct import_assistant *ia)
-{
- GtkTreeSelection *selection;
- GtkTreeIter iter;
- GtkTreeModel *model;
-
- selection = gtk_tree_view_get_selection (ia->first_line.tree_view);
- if (gtk_tree_selection_get_selected (selection, &model, &iter))
- {
- GtkTreePath *path = gtk_tree_model_get_path (model, &iter);
- int row = gtk_tree_path_get_indices (path)[0];
- gtk_tree_path_free (path);
-
- ia->first_line.skip_lines = row;
- ia->first_line.variable_names =
- (ia->first_line.skip_lines > 0
- && gtk_toggle_button_get_active (
- GTK_TOGGLE_BUTTON (ia->first_line.variable_names_cb)));
- }
- gtk_widget_set_sensitive (ia->first_line.variable_names_cb,
- ia->first_line.skip_lines > 0);
-}
-\f
-/* The "separators" page of the assistant. */
-
-static void revise_fields_preview (struct import_assistant *ia);
-static void choose_likely_separators (struct import_assistant *ia);
-static void find_commonest_chars (unsigned long int histogram[UCHAR_MAX + 1],
- const char *targets, const char *def,
- struct string *result);
-static void clear_fields (struct import_assistant *ia);
-static void revise_fields_preview (struct import_assistant *);
-static void set_separators (struct import_assistant *);
-static void get_separators (struct import_assistant *);
-static void on_separators_custom_entry_notify (GObject *UNUSED,
- GParamSpec *UNUSED,
- struct import_assistant *);
-static void on_separators_custom_cb_toggle (GtkToggleButton *custom_cb,
- struct import_assistant *);
-static void on_quote_combo_change (GtkComboBox *combo,
- struct import_assistant *);
-static void on_quote_cb_toggle (GtkToggleButton *quote_cb,
- struct import_assistant *);
-static void on_separator_toggle (GtkToggleButton *, struct import_assistant *);
static void render_input_cell (GtkTreeViewColumn *tree_column,
GtkCellRenderer *cell,
GtkTreeModel *model, GtkTreeIter *iter,
gpointer ia);
+
static gboolean on_query_input_tooltip (GtkWidget *widget, gint wx, gint wy,
gboolean keyboard_mode UNUSED,
GtkTooltip *tooltip,
struct import_assistant *);
-/* A common field separator and its identifying name. */
-struct separator
- {
- const char *name; /* Name (for use with get_widget_assert). */
- int c; /* Separator character. */
- };
-
-/* All the separators in the dialog box. */
-static const struct separator separators[] =
- {
- {"space", ' '},
- {"tab", '\t'},
- {"bang", '!'},
- {"colon", ':'},
- {"comma", ','},
- {"hyphen", '-'},
- {"pipe", '|'},
- {"semicolon", ';'},
- {"slash", '/'},
- };
-#define SEPARATOR_CNT (sizeof separators / sizeof *separators)
-
-static void
-set_quote_list (GtkComboBoxEntry *cb)
-{
- GtkListStore *list = gtk_list_store_new (1, G_TYPE_STRING);
- GtkTreeIter iter;
- gint i;
- const gchar *seperator[3] = {"'\"", "\'", "\""};
-
- for (i = 0; i < 3; i++)
- {
- const gchar *s = seperator[i];
-
- /* Add a new row to the model */
- gtk_list_store_append (list, &iter);
- gtk_list_store_set (list, &iter,
- 0, s,
- -1);
- }
-
- gtk_combo_box_set_model (GTK_COMBO_BOX (cb), GTK_TREE_MODEL (list));
- g_object_unref (list);
-
- gtk_combo_box_entry_set_text_column (cb, 0);
-}
-
-/* Initializes IA's separators substructure. */
-static void
-init_separators_page (struct import_assistant *ia)
-{
- GtkBuilder *builder = ia->asst.builder;
- struct separators_page *p = &ia->separators;
- size_t i;
-
- choose_likely_separators (ia);
-
- p->page = add_page_to_assistant (ia, get_widget_assert (builder, "Separators"),
- GTK_ASSISTANT_PAGE_CONTENT);
- p->custom_cb = get_widget_assert (builder, "custom-cb");
- p->custom_entry = get_widget_assert (builder, "custom-entry");
- p->quote_combo = get_widget_assert (builder, "quote-combo");
- p->quote_entry = GTK_ENTRY (gtk_bin_get_child (GTK_BIN (p->quote_combo)));
- p->quote_cb = get_widget_assert (builder, "quote-cb");
- p->escape_cb = get_widget_assert (builder, "escape");
-
- set_separators (ia);
- set_quote_list (GTK_COMBO_BOX_ENTRY (p->quote_combo));
- p->fields_tree_view = GTK_TREE_VIEW (get_widget_assert (builder, "fields"));
- g_signal_connect (p->quote_combo, "changed",
- G_CALLBACK (on_quote_combo_change), ia);
- g_signal_connect (p->quote_cb, "toggled",
- G_CALLBACK (on_quote_cb_toggle), ia);
- g_signal_connect (p->custom_entry, "notify::text",
- G_CALLBACK (on_separators_custom_entry_notify), ia);
- g_signal_connect (p->custom_cb, "toggled",
- G_CALLBACK (on_separators_custom_cb_toggle), ia);
- for (i = 0; i < SEPARATOR_CNT; i++)
- g_signal_connect (get_widget_assert (builder, separators[i].name),
- "toggled", G_CALLBACK (on_separator_toggle), ia);
- g_signal_connect (p->escape_cb, "toggled",
- G_CALLBACK (on_separator_toggle), ia);
-}
-
-/* Frees IA's separators substructure. */
-static void
-destroy_separators_page (struct import_assistant *ia)
-{
- struct separators_page *s = &ia->separators;
-
- ds_destroy (&s->separators);
- ds_destroy (&s->quotes);
- clear_fields (ia);
-}
-
-/* Called just before the separators page becomes visible in the
- assistant. */
-static void
-prepare_separators_page (struct import_assistant *ia)
-{
- revise_fields_preview (ia);
-}
-
-/* Called when the Reset button is clicked on the separators
- page, resets the separators to the defaults. */
-static void
-reset_separators_page (struct import_assistant *ia)
-{
- choose_likely_separators (ia);
- set_separators (ia);
-}
-
-/* Frees and clears the column data in IA's separators
- substructure. */
-static void
-clear_fields (struct import_assistant *ia)
-{
- struct separators_page *s = &ia->separators;
-
- if (s->column_cnt > 0)
- {
- struct column *col;
- size_t row;
-
- for (row = 0; row < ia->file.line_cnt; row++)
- {
- const struct string *line = &ia->file.lines[row];
- const char *line_start = ds_data (line);
- const char *line_end = ds_end (line);
-
- for (col = s->columns; col < &s->columns[s->column_cnt]; col++)
- {
- char *s = ss_data (col->contents[row]);
- if (!(s >= line_start && s <= line_end))
- ss_dealloc (&col->contents[row]);
- }
- }
-
- for (col = s->columns; col < &s->columns[s->column_cnt]; col++)
- {
- free (col->name);
- free (col->contents);
- }
-
- free (s->columns);
- s->columns = NULL;
- s->column_cnt = 0;
- }
-}
-
-/* Breaks the file data in IA into columns based on the
- separators set in IA's separators substructure. */
-static void
-split_fields (struct import_assistant *ia)
-{
- struct separators_page *s = &ia->separators;
- size_t columns_allocated;
- bool space_sep;
- size_t row;
-
- clear_fields (ia);
-
- /* Is space in the set of separators? */
- space_sep = ss_find_byte (ds_ss (&s->separators), ' ') != SIZE_MAX;
-
- /* Split all the lines, not just those from
- ia->first_line.skip_lines on, so that we split the line that
- contains variables names if ia->first_line.variable_names is
- true. */
- columns_allocated = 0;
- for (row = 0; row < ia->file.line_cnt; row++)
- {
- struct string *line = &ia->file.lines[row];
- struct substring text = ds_ss (line);
- size_t column_idx;
-
- for (column_idx = 0; ; column_idx++)
- {
- struct substring field;
- struct column *column;
-
- if (space_sep)
- ss_ltrim (&text, ss_cstr (" "));
- if (ss_is_empty (text))
- {
- if (column_idx != 0)
- break;
- field = text;
- }
- else if (!ds_is_empty (&s->quotes)
- && ds_find_byte (&s->quotes, text.string[0]) != SIZE_MAX)
- {
- int quote = ss_get_byte (&text);
- if (!s->escape)
- ss_get_until (&text, quote, &field);
- else
- {
- struct string s;
- int c;
-
- ds_init_empty (&s);
- while ((c = ss_get_byte (&text)) != EOF)
- if (c != quote)
- ds_put_byte (&s, c);
- else if (ss_match_byte (&text, quote))
- ds_put_byte (&s, quote);
- else
- break;
- field = ds_ss (&s);
- }
- }
- else
- ss_get_bytes (&text, ss_cspan (text, ds_ss (&s->separators)),
- &field);
-
- if (column_idx >= s->column_cnt)
- {
- struct column *column;
-
- if (s->column_cnt >= columns_allocated)
- s->columns = x2nrealloc (s->columns, &columns_allocated,
- sizeof *s->columns);
- column = &s->columns[s->column_cnt++];
- column->name = NULL;
- column->width = 0;
- column->contents = xcalloc (ia->file.line_cnt,
- sizeof *column->contents);
- }
- column = &s->columns[column_idx];
- column->contents[row] = field;
- if (ss_length (field) > column->width)
- column->width = ss_length (field);
-
- if (space_sep)
- ss_ltrim (&text, ss_cstr (" "));
- if (ss_is_empty (text))
- break;
- if (ss_find_byte (ds_ss (&s->separators), ss_first (text))
- != SIZE_MAX)
- ss_advance (&text, 1);
- }
- }
-}
-
-/* Chooses a name for each column on the separators page */
-static void
-choose_column_names (struct import_assistant *ia)
-{
- const struct first_line_page *f = &ia->first_line;
- struct separators_page *s = &ia->separators;
- struct dictionary *dict;
- unsigned long int generated_name_count = 0;
- struct column *col;
- size_t name_row;
-
- dict = dict_create (get_default_encoding ());
- name_row = f->variable_names && f->skip_lines ? f->skip_lines : 0;
- for (col = s->columns; col < &s->columns[s->column_cnt]; col++)
- {
- char *hint, *name;
-
- hint = name_row ? ss_xstrdup (col->contents[name_row - 1]) : NULL;
- name = dict_make_unique_var_name (dict, hint, &generated_name_count);
- free (hint);
-
- col->name = name;
- dict_create_var_assert (dict, name, 0);
- }
- dict_destroy (dict);
-}
-
-/* Picks the most likely separator and quote characters based on
- IA's file data. */
-static void
-choose_likely_separators (struct import_assistant *ia)
-{
- unsigned long int histogram[UCHAR_MAX + 1] = { 0 };
- size_t row;
-
- /* Construct a histogram of all the characters used in the
- file. */
- for (row = 0; row < ia->file.line_cnt; row++)
- {
- struct substring line = ds_ss (&ia->file.lines[row]);
- size_t length = ss_length (line);
- size_t i;
- for (i = 0; i < length; i++)
- histogram[(unsigned char) line.string[i]]++;
- }
-
- find_commonest_chars (histogram, "\"'", "", &ia->separators.quotes);
- find_commonest_chars (histogram, ",;:/|!\t-", ",",
- &ia->separators.separators);
- ia->separators.escape = true;
-}
-
-/* Chooses the most common character among those in TARGETS,
- based on the frequency data in HISTOGRAM, and stores it in
- RESULT. If there is a tie for the most common character among
- those in TARGETS, the earliest character is chosen. If none
- of the TARGETS appear at all, then DEF is used as a
- fallback. */
-static void
-find_commonest_chars (unsigned long int histogram[UCHAR_MAX + 1],
- const char *targets, const char *def,
- struct string *result)
-{
- unsigned char max = 0;
- unsigned long int max_count = 0;
-
- for (; *targets != '\0'; targets++)
- {
- unsigned char c = *targets;
- unsigned long int count = histogram[c];
- if (count > max_count)
- {
- max = c;
- max_count = count;
- }
- }
- if (max_count > 0)
- {
- ds_clear (result);
- ds_put_byte (result, max);
- }
- else
- ds_assign_cstr (result, def);
-}
-
-/* Revises the contents of the fields tree view based on the
- currently chosen set of separators. */
-static void
-revise_fields_preview (struct import_assistant *ia)
-{
- GtkWidget *w;
-
- push_watch_cursor (ia);
-
- w = GTK_WIDGET (ia->separators.fields_tree_view);
- gtk_widget_destroy (w);
- get_separators (ia);
- split_fields (ia);
- choose_column_names (ia);
- ia->separators.fields_tree_view = create_data_tree_view (
- true,
- GTK_CONTAINER (get_widget_assert (ia->asst.builder, "fields-scroller")),
- ia);
-
- pop_watch_cursor (ia);
-}
-
-/* Sets the widgets to match IA's separators substructure. */
-static void
-set_separators (struct import_assistant *ia)
-{
- struct separators_page *s = &ia->separators;
- unsigned int seps;
- struct string custom;
- bool any_custom;
- bool any_quotes;
- size_t i;
-
- ds_init_empty (&custom);
- seps = 0;
- for (i = 0; i < ds_length (&s->separators); i++)
- {
- unsigned char c = ds_at (&s->separators, i);
- int j;
-
- for (j = 0; j < SEPARATOR_CNT; j++)
- {
- const struct separator *s = &separators[j];
- if (s->c == c)
- {
- seps += 1u << j;
- goto next;
- }
- }
-
- ds_put_byte (&custom, c);
- next:;
- }
-
- for (i = 0; i < SEPARATOR_CNT; i++)
- {
- const struct separator *s = &separators[i];
- GtkWidget *button = get_widget_assert (ia->asst.builder, s->name);
- gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button),
- (seps & (1u << i)) != 0);
- }
- any_custom = !ds_is_empty (&custom);
- gtk_entry_set_text (GTK_ENTRY (s->custom_entry), ds_cstr (&custom));
- gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (s->custom_cb),
- any_custom);
- gtk_widget_set_sensitive (s->custom_entry, any_custom);
- ds_destroy (&custom);
-
- any_quotes = !ds_is_empty (&s->quotes);
-
- gtk_entry_set_text (s->quote_entry,
- any_quotes ? ds_cstr (&s->quotes) : "\"");
- gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (s->quote_cb),
- any_quotes);
- gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (s->escape_cb),
- s->escape);
- gtk_widget_set_sensitive (s->quote_combo, any_quotes);
- gtk_widget_set_sensitive (s->escape_cb, any_quotes);
-}
-
-/* Sets IA's separators substructure to match the widgets. */
-static void
-get_separators (struct import_assistant *ia)
-{
- struct separators_page *s = &ia->separators;
- int i;
-
- ds_clear (&s->separators);
- for (i = 0; i < SEPARATOR_CNT; i++)
- {
- const struct separator *sep = &separators[i];
- GtkWidget *button = get_widget_assert (ia->asst.builder, sep->name);
- if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)))
- ds_put_byte (&s->separators, sep->c);
- }
-
- if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (s->custom_cb)))
- ds_put_cstr (&s->separators,
- gtk_entry_get_text (GTK_ENTRY (s->custom_entry)));
-
- if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (s->quote_cb)))
- {
- gchar *text = gtk_combo_box_get_active_text (
- GTK_COMBO_BOX (s->quote_combo));
- ds_assign_cstr (&s->quotes, text);
- g_free (text);
- }
- else
- ds_clear (&s->quotes);
- s->escape = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (s->escape_cb));
-}
-
-/* Called when the user changes the entry field for custom
- separators. */
-static void
-on_separators_custom_entry_notify (GObject *gobject UNUSED,
- GParamSpec *arg1 UNUSED,
- struct import_assistant *ia)
-{
- revise_fields_preview (ia);
-}
-
-/* Called when the user toggles the checkbox that enables custom
- separators. */
-static void
-on_separators_custom_cb_toggle (GtkToggleButton *custom_cb,
- struct import_assistant *ia)
-{
- bool is_active = gtk_toggle_button_get_active (custom_cb);
- gtk_widget_set_sensitive (ia->separators.custom_entry, is_active);
- revise_fields_preview (ia);
-}
-
-/* Called when the user changes the selection in the combo box
- that selects a quote character. */
-static void
-on_quote_combo_change (GtkComboBox *combo, struct import_assistant *ia)
-{
- revise_fields_preview (ia);
-}
-
-/* Called when the user toggles the checkbox that enables
- quoting. */
-static void
-on_quote_cb_toggle (GtkToggleButton *quote_cb, struct import_assistant *ia)
-{
- bool is_active = gtk_toggle_button_get_active (quote_cb);
- gtk_widget_set_sensitive (ia->separators.quote_combo, is_active);
- gtk_widget_set_sensitive (ia->separators.escape_cb, is_active);
- revise_fields_preview (ia);
-}
-
-/* Called when the user toggles one of the separators
- checkboxes. */
-static void
-on_separator_toggle (GtkToggleButton *toggle UNUSED,
- struct import_assistant *ia)
-{
- revise_fields_preview (ia);
-}
/* Called to render one of the cells in the fields preview tree
view. */
(void *) NULL);
}
+static gboolean
+get_tooltip_location (GtkWidget *widget, gint wx, gint wy,
+ const struct import_assistant *ia,
+ size_t *row, size_t *column);
+
+
/* Called to render a tooltip on one of the cells in the fields
preview tree view. */
static gboolean
"to fill in this field."));
return TRUE;
}
-\f
-/* The "formats" page of the assistant. */
-
-static void on_variable_change (PsppireDict *dict, int idx,
- struct import_assistant *);
-static void clear_modified_vars (struct import_assistant *);
-/* Initializes IA's formats substructure. */
-static void
-init_formats_page (struct import_assistant *ia)
-{
- GtkBuilder *builder = ia->asst.builder;
- struct formats_page *p = &ia->formats;
-
- p->page = add_page_to_assistant (ia, get_widget_assert (builder, "Formats"),
- GTK_ASSISTANT_PAGE_CONFIRM);
- p->data_tree_view = GTK_TREE_VIEW (get_widget_assert (builder, "data"));
- p->modified_vars = NULL;
- p->modified_var_cnt = 0;
- p->dict = NULL;
-}
-
-/* Frees IA's formats substructure. */
-static void
-destroy_formats_page (struct import_assistant *ia)
-{
- struct formats_page *p = &ia->formats;
-
- if (p->psppire_dict != NULL)
- {
- dict_destroy (p->psppire_dict->dict);
- g_object_unref (p->psppire_dict);
- }
- clear_modified_vars (ia);
-}
-
-/* Called just before the formats page of the assistant is
- displayed. */
-static void
-prepare_formats_page (struct import_assistant *ia)
-{
- struct dictionary *dict;
- PsppireDict *psppire_dict;
- PsppireVarStore *var_store;
- GtkBin *vars_scroller;
- GtkWidget *old_var_sheet;
- PsppireVarSheet *var_sheet;
- struct separators_page *s = &ia->separators;
- struct formats_page *p = &ia->formats;
- struct fmt_guesser *fg;
- unsigned long int number = 0;
- size_t column_idx;
-
- push_watch_cursor (ia);
-
- dict = dict_create (get_default_encoding ());
- fg = fmt_guesser_create ();
- for (column_idx = 0; column_idx < s->column_cnt; column_idx++)
- {
- struct variable *modified_var;
-
- modified_var = (column_idx < p->modified_var_cnt
- ? p->modified_vars[column_idx] : NULL);
- if (modified_var == NULL)
- {
- struct column *column = &s->columns[column_idx];
- struct variable *var;
- struct fmt_spec format;
- char *name;
- size_t row;
-
- /* Choose variable name. */
- name = dict_make_unique_var_name (dict, column->name, &number);
-
- /* Choose variable format. */
- fmt_guesser_clear (fg);
- for (row = ia->first_line.skip_lines; row < ia->file.line_cnt; row++)
- fmt_guesser_add (fg, column->contents[row]);
- fmt_guesser_guess (fg, &format);
- fmt_fix_input (&format);
-
- /* Create variable. */
- var = dict_create_var_assert (dict, name, fmt_var_width (&format));
- var_set_both_formats (var, &format);
-
- free (name);
- }
- else
- {
- char *name;
-
- name = dict_make_unique_var_name (dict, var_get_name (modified_var),
- &number);
- dict_clone_var_as_assert (dict, modified_var, name);
- free (name);
- }
- }
- fmt_guesser_destroy (fg);
-
- psppire_dict = psppire_dict_new_from_dict (dict);
- g_signal_connect (psppire_dict, "variable_changed",
- G_CALLBACK (on_variable_change), ia);
- ia->formats.dict = dict;
- ia->formats.psppire_dict = psppire_dict;
-
- /* XXX: PsppireVarStore doesn't hold a reference to
- psppire_dict for now, but it should. After it does, we
- should g_object_ref the psppire_dict here, since we also
- hold a reference via ia->formats.dict. */
- var_store = psppire_var_store_new (psppire_dict);
- g_object_set (var_store,
- "format-type", PSPPIRE_VAR_STORE_INPUT_FORMATS,
- (void *) NULL);
- var_sheet = PSPPIRE_VAR_SHEET (psppire_var_sheet_new ());
- g_object_set (var_sheet,
- "model", var_store,
- "may-create-vars", FALSE,
- (void *) NULL);
-
- vars_scroller = GTK_BIN (get_widget_assert (ia->asst.builder, "vars-scroller"));
- old_var_sheet = gtk_bin_get_child (vars_scroller);
- if (old_var_sheet != NULL)
- gtk_widget_destroy (old_var_sheet);
- gtk_container_add (GTK_CONTAINER (vars_scroller), GTK_WIDGET (var_sheet));
- gtk_widget_show (GTK_WIDGET (var_sheet));
-
- gtk_widget_destroy (GTK_WIDGET (ia->formats.data_tree_view));
- ia->formats.data_tree_view = create_data_tree_view (
- false,
- GTK_CONTAINER (get_widget_assert (ia->asst.builder, "data-scroller")),
- ia);
-
- pop_watch_cursor (ia);
-}
-
-/* Clears the set of user-modified variables from IA's formats
- substructure. This discards user modifications to variable
- formats, thereby causing formats to revert to their
- defaults. */
-static void
-clear_modified_vars (struct import_assistant *ia)
-{
- struct formats_page *p = &ia->formats;
- size_t i;
-
- for (i = 0; i < p->modified_var_cnt; i++)
- var_destroy (p->modified_vars[i]);
- free (p->modified_vars);
- p->modified_vars = NULL;
- p->modified_var_cnt = 0;
-}
-
-/* Resets the formats page to its defaults, discarding user
- modifications. */
-static void
-reset_formats_page (struct import_assistant *ia)
-{
- clear_modified_vars (ia);
- prepare_formats_page (ia);
-}
-
-/* Called when the user changes one of the variables in the
- dictionary. */
-static void
-on_variable_change (PsppireDict *dict, int dict_idx,
- struct import_assistant *ia)
-{
- struct formats_page *p = &ia->formats;
- GtkTreeView *tv = ia->formats.data_tree_view;
- gint column_idx = dict_idx + 1;
-
- push_watch_cursor (ia);
-
- /* Remove previous column and replace with new column. */
- gtk_tree_view_remove_column (tv, gtk_tree_view_get_column (tv, column_idx));
- gtk_tree_view_insert_column (tv, make_data_column (ia, tv, false, dict_idx),
- column_idx);
-
- /* Save a copy of the modified variable in modified_vars, so
- that its attributes will be preserved if we back up to the
- previous page with the Prev button and then come back
- here. */
- if (dict_idx >= p->modified_var_cnt)
- {
- size_t i;
- p->modified_vars = xnrealloc (p->modified_vars, dict_idx + 1,
- sizeof *p->modified_vars);
- for (i = 0; i <= dict_idx; i++)
- p->modified_vars[i] = NULL;
- p->modified_var_cnt = dict_idx + 1;
- }
- if (p->modified_vars[dict_idx])
- var_destroy (p->modified_vars[dict_idx]);
- p->modified_vars[dict_idx]
- = var_clone (psppire_dict_get_variable (dict, dict_idx));
-
- pop_watch_cursor (ia);
-}
/* Parses the contents of the field at (ROW,COLUMN) according to
its variable format. If OUTPUTP is non-null, then *OUTPUTP
return TRUE;
}
-static void
+void
make_tree_view (const struct import_assistant *ia,
size_t first_line,
GtkTreeView **tree_view)
gtk_tree_view_append_column (treeview, column);
}
-static gint
+gint
get_monospace_width (GtkTreeView *treeview, GtkCellRenderer *renderer,
size_t char_cnt)
{
return width;
}
-static gint
+gint
get_string_width (GtkTreeView *treeview, GtkCellRenderer *renderer,
const char *string)
{
return width;
}
-static GtkTreeViewColumn *
+GtkTreeViewColumn *
make_data_column (struct import_assistant *ia, GtkTreeView *tree_view,
bool input, gint dict_idx)
{
return tree_column;
}
-static GtkTreeView *
+GtkTreeView *
create_data_tree_view (bool input, GtkContainer *parent,
struct import_assistant *ia)
{
/* Increments the "watch cursor" level, setting the cursor for
the assistant window to a watch face to indicate to the user
that the ongoing operation may take some time. */
-static void
+void
push_watch_cursor (struct import_assistant *ia)
{
if (++ia->asst.watch_cursor == 1)
/* Decrements the "watch cursor" level. If the level reaches
zero, the cursor is reset to its default shape. */
-static void
+void
pop_watch_cursor (struct import_assistant *ia)
{
if (--ia->asst.watch_cursor == 0)
/* PSPPIRE - a graphical user interface for PSPP.
- Copyright (C) 2008, 2010, 2011 Free Software Foundation
+ Copyright (C) 2008, 2010, 2011, 2013 Free Software Foundation
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <glib-object.h>
#include "ui/gui/psppire-data-window.h"
+#include "libpspp/str.h"
+
+/* The file to be imported. */
+struct file
+ {
+ char *file_name; /* File name. */
+ gchar *encoding; /* Encoding. */
+ unsigned long int total_lines; /* Number of lines in file. */
+ bool total_is_exact; /* Is total_lines exact (or an estimate)? */
+
+ /* The first several lines of the file. */
+ struct string *lines;
+ size_t line_cnt;
+ };
+
+/* The main body of the GTK+ assistant and related data. */
+struct assistant
+ {
+ GtkBuilder *builder;
+ GtkAssistant *assistant;
+ GMainLoop *main_loop;
+ GtkWidget *paste_button;
+ GtkWidget *reset_button;
+ int response;
+ int watch_cursor;
+
+ GtkCellRenderer *prop_renderer;
+ GtkCellRenderer *fixed_renderer;
+ };
+
+/* The introduction page of the assistant. */
+struct intro_page
+ {
+ GtkWidget *page;
+ GtkWidget *all_cases_button;
+ GtkWidget *n_cases_button;
+ GtkWidget *n_cases_spin;
+ GtkWidget *percent_button;
+ GtkWidget *percent_spin;
+ };
+
+/* Page where the user chooses the first line of data. */
+struct first_line_page
+ {
+ int skip_lines; /* Number of initial lines to skip? */
+ bool variable_names; /* Variable names above first line of data? */
+
+ GtkWidget *page;
+ GtkTreeView *tree_view;
+ GtkWidget *variable_names_cb;
+ };
+
+
+/* Page where the user chooses field separators. */
+struct separators_page
+ {
+ /* How to break lines into columns. */
+ struct string separators; /* Field separators. */
+ struct string quotes; /* Quote characters. */
+ bool escape; /* Doubled quotes yield a quote mark? */
+
+ /* The columns produced thereby. */
+ struct column *columns; /* Information about each column. */
+ size_t column_cnt; /* Number of columns. */
+
+ GtkWidget *page;
+ GtkWidget *custom_cb;
+ GtkWidget *custom_entry;
+ GtkWidget *quote_cb;
+ GtkWidget *quote_combo;
+ GtkEntry *quote_entry;
+ GtkWidget *escape_cb;
+ GtkTreeView *fields_tree_view;
+ };
+
+/* Page where the user verifies and adjusts input formats. */
+struct formats_page
+ {
+ struct dictionary *dict;
+
+ GtkWidget *page;
+ GtkTreeView *data_tree_view;
+ PsppireDict *psppire_dict;
+ struct variable **modified_vars;
+ size_t modified_var_cnt;
+ };
+
+
+struct import_assistant
+ {
+ struct file file;
+ struct assistant asst;
+ struct intro_page intro;
+ struct first_line_page first_line;
+ struct separators_page separators;
+ struct formats_page formats;
+ };
+
+
+
+
+struct column
+ {
+ /* Variable name for this column. This is the variable name
+ used on the separators page; it can be overridden by the
+ user on the formats page. */
+ char *name;
+
+ /* Maximum length of any row in this column. */
+ size_t width;
+
+ /* Contents of this column: contents[row] is the contents for
+ the given row.
+
+ A null substring indicates a missing column for that row
+ (because the line contains an insufficient number of
+ separators).
+
+ contents[] elements may be substrings of the lines[]
+ strings that represent the whole lines of the file, to
+ save memory. Other elements are dynamically allocated
+ with ss_alloc_substring. */
+ struct substring *contents;
+ };
+
+
+GtkWidget * add_page_to_assistant (struct import_assistant *ia,
+ GtkWidget *page, GtkAssistantPageType type);
+
void text_data_import_assistant (PsppireDataWindow *);
+/* FIXME: Should this be private to first line page ? */
+void make_tree_view (const struct import_assistant *ia,
+ size_t first_line,
+ GtkTreeView **tree_view);
+
+gint get_monospace_width (GtkTreeView *, GtkCellRenderer *,
+ size_t char_cnt);
+gint get_string_width (GtkTreeView *, GtkCellRenderer *,
+ const char *string);
+
+
+
+void push_watch_cursor (struct import_assistant *);
+void pop_watch_cursor (struct import_assistant *);
+
+
+GtkTreeView *create_data_tree_view (bool input, GtkContainer *parent,
+ struct import_assistant *);
+
+GtkTreeViewColumn *make_data_column (struct import_assistant *,
+ GtkTreeView *, bool input,
+ gint column_idx);
+
+
+bool init_file (struct import_assistant *ia, GtkWindow *parent_window);
+void destroy_file (struct import_assistant *ia);
+
+
+void init_intro_page (struct import_assistant *);
+void reset_intro_page (struct import_assistant *);
+
+void init_first_line_page (struct import_assistant *ia);
+void prepare_first_line_page (struct import_assistant *ia);
+void reset_first_line_page (struct import_assistant *);
+void destroy_first_line_page (struct import_assistant *ia);
+
+void init_separators_page (struct import_assistant *ia);
+void prepare_separators_page (struct import_assistant *ia);
+void reset_separators_page (struct import_assistant *);
+void destroy_separators_page (struct import_assistant *ia);
+
+void init_formats_page (struct import_assistant *ia);
+void prepare_formats_page (struct import_assistant *ia);
+void reset_formats_page (struct import_assistant *);
+void destroy_formats_page (struct import_assistant *ia);
+
+
+void init_assistant (struct import_assistant *, GtkWindow *);
+void destroy_assistant (struct import_assistant *);
+
+
#endif
projects / pspp / commitdiff