Improved folder path presentation in page title (use unified delimiter, localize path).

E.g. folder "INBOX.test" will be displayed as "Inbox >> test"

program/include/rcmail.php

@@ -1677,12 +1677,31 @@ class rcmail extends rcube
      * Try to localize the given IMAP folder name.
      * UTF-7 decode it in case no localized text was found
      *
-     * @param string $name  Folder name
+     * @param string $name      Folder name
+     * @param bool   $with_path Enable path localization
      *
      * @return string Localized folder name in UTF-8 encoding
      */
-    public function localize_foldername($name)
+    public function localize_foldername($name, $with_path = true)
     {
+        // try to localize path of the folder
+        if ($with_path) {
+            $storage   = $this->get_storage();
+            $delimiter = $storage->get_hierarchy_delimiter();
+            $path      = explode($delimiter, $name);
+            $count     = count($path);
+
+            if ($count > 1) {
+                for ($i = 1; $i < $count; $i++) {
+                    $folder = implode($delimiter, array_slice($path, 0, -$i));
+                    if ($folder_class = $this->folder_classname($folder)) {
+                        $name = implode($delimiter, array_slice($path, $count - $i));
+                        return $this->gettext($folder_class) . $delimiter . rcube_charset::convert($name, 'UTF7-IMAP');
+                    }
+                }
+            }
+        }
+
         if ($folder_class = $this->folder_classname($name)) {
             return $this->gettext($folder_class);
         }

program/steps/mail/func.inc

@@ -89,11 +89,12 @@ if (empty($RCMAIL->action) || $RCMAIL->action == 'list') {
   }
 
   $threading = (bool) $RCMAIL->storage->get_threading();
+  $delimiter = $RCMAIL->storage->get_hierarchy_delimiter();
 
   // set current mailbox and some other vars in client environment
   $OUTPUT->set_env('mailbox', $mbox_name);
   $OUTPUT->set_env('pagesize', $RCMAIL->storage->get_pagesize());
-  $OUTPUT->set_env('delimiter', $RCMAIL->storage->get_hierarchy_delimiter());
+  $OUTPUT->set_env('delimiter', $delimiter);
   $OUTPUT->set_env('threading', $threading);
   $OUTPUT->set_env('threads', $threading || $RCMAIL->storage->get_capability('THREAD'));
   $OUTPUT->set_env('preview_pane_mark_read', $RCMAIL->config->get('preview_pane_mark_read', 0));
@@ -121,7 +122,10 @@ if (empty($RCMAIL->action) || $RCMAIL->action == 'list') {
       'movingmessage', 'copyingmessage', 'deletingmessage', 'markingmessage',
       'copy', 'move', 'quota');
 
-  $OUTPUT->set_pagetitle(rcmail_localize_foldername($RCMAIL->storage->mod_folder($mbox_name)));
+  $pagetitle = $RCMAIL->localize_foldername($RCMAIL->storage->mod_folder($mbox_name), true);
+  $pagetitle = str_replace($delimiter, " \xC2\xBB ", $pagetitle);
+
+  $OUTPUT->set_pagetitle($pagetitle);
 }
 
 /**

program/steps/mail/list.inc

@@ -97,7 +97,6 @@ $OUTPUT->set_env('threading', $threading);
 $OUTPUT->set_env('current_page', $count ? $RCMAIL->storage->get_page() : 1);
 $OUTPUT->set_env('exists', $RCMAIL->storage->count($mbox_name, 'EXISTS'));
 $OUTPUT->command('set_rowcount', rcmail_get_messagecount_text($count), $mbox_name);
-$OUTPUT->command('set_mailboxname', rcmail_get_mailbox_name_text());
 
 // add message rows
 rcmail_js_message_list($a_headers, FALSE, $cols);