+/* PSPPIRE - a graphical user interface for PSPP.
+ Copyright (C) 2007, 2010, 2011, 2012, 2013, 2015 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 "psppire-dialog-action-comments.h"
+#include "psppire-selector.h"
+#include "psppire-var-view.h"
+#include "dict-display.h"
+
+#include "psppire-dialog.h"
+#include "builder-wrapper.h"
+#include <ui/syntax-gen.h>
+
+#include <gettext.h>
+#define _(msgid) gettext (msgid)
+#define N_(msgid) msgid
+
+static void psppire_dialog_action_comments_init (PsppireDialogActionComments *act);
+static void psppire_dialog_action_comments_class_init (PsppireDialogActionCommentsClass *class);
+
+G_DEFINE_TYPE (PsppireDialogActionComments, psppire_dialog_action_comments, PSPPIRE_TYPE_DIALOG_ACTION);
+
+static char *
+generate_syntax (PsppireDialogAction *pda)
+{
+ PsppireDialogActionComments *cd = PSPPIRE_DIALOG_ACTION_COMMENTS (pda);
+ gint i;
+
+ GString *str;
+ gchar *text;
+ GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (cd->textview));
+
+ str = g_string_new ("\n* Data File Comments.\n\n");
+
+ if (dict_get_documents (pda->dict->dict) != NULL)
+ g_string_append (str, "DROP DOCUMENTS.\n");
+
+ g_string_append (str, "ADD DOCUMENT\n");
+
+ for (i = 0 ; i < gtk_text_buffer_get_line_count (buffer) ; ++i )
+ {
+ struct string tmp;
+ GtkTextIter start;
+ char *line;
+
+ gtk_text_buffer_get_iter_at_line (buffer, &start, i);
+ if (gtk_text_iter_ends_line (&start))
+ line = g_strdup ("");
+ else
+ {
+ GtkTextIter end = start;
+ gtk_text_iter_forward_to_line_end (&end);
+ line = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
+ }
+
+ ds_init_empty (&tmp);
+ syntax_gen_string (&tmp, ss_cstr (line));
+ g_free (line);
+
+ g_string_append_printf (str, " %s\n", ds_cstr (&tmp));
+
+ ds_destroy (&tmp);
+ }
+ g_string_append (str, " .\n");
+
+
+ if ( gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (cd->check)))
+ g_string_append (str, "DISPLAY DOCUMENTS.\n");
+
+ text = str->str;
+
+ g_string_free (str, FALSE);
+
+ return text;
+}
+
+
+static gboolean
+dialog_state_valid (gpointer data)
+{
+ return TRUE;
+}
+
+static void
+add_line_to_buffer (GtkTextBuffer *buffer, const char *line)
+{
+ gtk_text_buffer_insert_at_cursor (buffer, line, -1);
+
+ gtk_text_buffer_insert_at_cursor (buffer, "\n", 1);
+}
+
+static void
+retrieve_comments (PsppireDialogAction *pda)
+{
+ PsppireDialogActionComments *wcd = PSPPIRE_DIALOG_ACTION_COMMENTS (pda);
+ gint i;
+
+ GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (wcd->textview));
+
+ gtk_text_buffer_set_text (buffer, "", 0);
+
+ for ( i = 0 ; i < dict_get_document_line_cnt (pda->dict->dict); ++i )
+ add_line_to_buffer (buffer, dict_get_document_line (pda->dict->dict, i));
+}
+
+
+static void
+refresh (PsppireDialogAction *pda)
+{
+ PsppireDialogActionComments *act = PSPPIRE_DIALOG_ACTION_COMMENTS (pda);
+
+ retrieve_comments (pda);
+
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (act->check), FALSE);
+}
+
+
+static void
+set_column_number (GtkTextBuffer *textbuffer,
+ GtkTextIter *iter,
+ GtkTextMark *mark,
+ gpointer data)
+{
+ GtkLabel *label = data;
+ gchar *text ;
+
+ text = g_strdup_printf ( _("Column Number: %d"),
+ 1 + gtk_text_iter_get_line_offset (iter));
+
+ gtk_label_set_text (label, text);
+
+ g_free (text);
+}
+
+static void
+wrap_line (GtkTextBuffer *buffer,
+ GtkTextIter *iter,
+ gchar *text,
+ gint count,
+ gpointer data)
+{
+ gint chars = gtk_text_iter_get_chars_in_line (iter);
+
+ if ( chars > DOC_LINE_LENGTH )
+ {
+ GtkTextIter line_fold = *iter;
+
+ gtk_text_iter_set_line_offset (&line_fold, DOC_LINE_LENGTH);
+
+ gtk_text_buffer_insert (buffer, &line_fold, "\r\n", 2);
+ }
+}
+
+
+static void
+psppire_dialog_action_comments_activate (PsppireDialogAction *pda)
+{
+ PsppireDialogActionComments *act = PSPPIRE_DIALOG_ACTION_COMMENTS (pda);
+
+ GHashTable *thing = psppire_dialog_action_get_hash_table (pda);
+ GtkBuilder *xml = g_hash_table_lookup (thing, pda);
+ if (!xml)
+ {
+ GtkTextIter iter;
+
+ xml = builder_new ("comments.ui");
+ g_hash_table_insert (thing, pda, xml);
+
+ pda->dialog = get_widget_assert (xml, "comments-dialog");
+ act->textview = get_widget_assert (xml, "comments-textview1");
+ GtkWidget *label = get_widget_assert (xml, "column-number-label");
+ GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (act->textview));
+ act->check = get_widget_assert (xml, "comments-checkbutton1");
+
+ g_signal_connect_swapped (pda->dialog, "show", G_CALLBACK (retrieve_comments), pda);
+
+ {
+ PangoContext * context ;
+ PangoLayout * layout ;
+ PangoRectangle rect;
+
+ /* Since we're going to truncate lines to 80 chars,
+ we need a monospaced font otherwise it'll look silly */
+ PangoFontDescription *font_desc =
+ pango_font_description_from_string ("monospace");
+
+ gtk_widget_override_font (act->textview, font_desc);
+
+ /* and let's just make sure that a complete line fits into the
+ widget's width */
+ context = gtk_widget_create_pango_context (act->textview);
+ layout = pango_layout_new (context);
+
+ pango_layout_set_text (layout, "M", 1);
+
+ pango_layout_set_font_description (layout, font_desc);
+
+ pango_layout_get_extents (layout, NULL, &rect);
+
+ g_object_set (act->textview, "width-request",
+ PANGO_PIXELS (rect.width) * DOC_LINE_LENGTH + 20, NULL);
+
+ g_object_unref (G_OBJECT (layout));
+ g_object_unref (G_OBJECT (context));
+
+ pango_font_description_free (font_desc);
+ }
+
+ g_signal_connect (buffer, "mark-set",
+ G_CALLBACK (set_column_number), label);
+
+ g_signal_connect_after (buffer, "insert-text",
+ G_CALLBACK (wrap_line), NULL);
+
+ gtk_text_buffer_get_iter_at_offset (buffer, &iter, 0);
+ gtk_text_buffer_place_cursor (buffer, &iter);
+ }
+
+ psppire_dialog_action_set_valid_predicate (pda, dialog_state_valid);
+ psppire_dialog_action_set_refresh (pda, refresh);
+
+
+
+ if (PSPPIRE_DIALOG_ACTION_CLASS (psppire_dialog_action_comments_parent_class)->activate)
+ PSPPIRE_DIALOG_ACTION_CLASS (psppire_dialog_action_comments_parent_class)->activate (pda);
+}
+
+static void
+psppire_dialog_action_comments_class_init (PsppireDialogActionCommentsClass *class)
+{
+ psppire_dialog_action_set_activation (class, psppire_dialog_action_comments_activate);
+ PSPPIRE_DIALOG_ACTION_CLASS (class)->generate_syntax = generate_syntax;
+}
+
+static void
+psppire_dialog_action_comments_init (PsppireDialogActionComments *act)
+{
+}
+