[evolution/wip/webkit-composer: 916/966] EEditorWidget: Handle element with Tab character in process_elements

[Tomas Popela <tpopela src gnome org>]

commit 56ed35e23f6f4a66a464939394e4735b3381afd0
Author: Tomas Popela <tpopela redhat com>
Date:   Wed Mar 19 10:18:06 2014 +0100

    EEditorWidget: Handle element with Tab character in process_elements

 e-util/e-editor-widget.c |   27 +++++++++++++++++++++++++++
 1 files changed, 27 insertions(+), 0 deletions(-)
---
diff --git a/e-util/e-editor-widget.c b/e-util/e-editor-widget.c
index 0ba44f4..259bd8a 100644
--- a/e-util/e-editor-widget.c
+++ b/e-util/e-editor-widget.c
@@ -4175,6 +4175,33 @@ process_elements (EEditorWidget *widget,
                        skip_node = TRUE;
                }
 
+               if (element_has_class (WEBKIT_DOM_ELEMENT (child), "Apple-tab-span")) {
+                       if (!changing_mode && to_plain_text) {
+                               gchar *content, *tmp;
+                               GRegex *regex;
+
+                               content = webkit_dom_node_get_text_content (child);
+                               /* Replace tabs with 4 whitespaces, otherwise they got
+                                * replaced by single whitespace */
+                               if (strstr (content, "\x9")) {
+                                       regex = g_regex_new ("\x9", 0, 0, NULL);
+                                       tmp = g_regex_replace (
+                                               regex, content, -1, 0, "    ", 0, NULL);
+                                       g_string_append (buffer, tmp);
+                                       g_free (tmp);
+                                       content = webkit_dom_node_get_text_content (child);
+                                       g_regex_unref (regex);
+                               }
+                       }
+                       if (to_html) {
+                               element_remove_class (
+                                       WEBKIT_DOM_ELEMENT (child),
+                                       "Applet-tab-span");
+                       }
+
+                       skip_node = TRUE;
+               }
+
                /* Leave blockquotes as they are */
                if (WEBKIT_DOM_IS_HTML_QUOTE_ELEMENT (child)) {
                        if (changing_mode && to_plain_text) {