Fix regression where UI object could be not created on some pages (#5484)

program/include/rcmail_output_html.php

@@ -1096,6 +1096,10 @@ EOF;
                 }
                 break;
 
+            case 'add_label':
+                $this->add_label($attrib['name']);
+                break;
+
             // include a file
             case 'include':
                 $old_base_path = $this->base_path;

skins/larry/includes/footer.html

@@ -1,2 +1,5 @@
 <roundcube:object name="message" id="messagestack" condition="env:task != 'login'" />
 
+<script type="text/javascript">
+if (!window.UI) { var UI = new rcube_mail_ui(); }
+</script>

skins/larry/includes/header.html

@@ -1,13 +1,5 @@
 <script type="text/javascript">
-
-// UI startup
 var UI = new rcube_mail_ui();
-$(document).ready(function(){
-  UI.set('errortitle', '<roundcube:label name="errortitle" quoting="javascript" />');
-  UI.set('toggleoptions', '<roundcube:label name="toggleadvancedoptions" quoting="javascript" />');
-  UI.init();
-});
-
 </script>
 
 <div id="header">

skins/larry/includes/links.html

@@ -4,4 +4,6 @@
 <roundcube:if condition="in_array(env:task, array('mail','addressbook','settings'))" />
 <link rel="stylesheet" type="text/css" href="/<roundcube:var name="env:task" />.css" />
 <roundcube:endif />
-<script type="text/javascript" src="/ui.js"></script>
+<script type="text/javascript" src="/ui.js"></script>
+<roundcube:add_label name="errortitle" />
+<roundcube:add_label name="toggleadvancedoptions" />

skins/larry/ui.js

@@ -60,6 +60,8 @@ function rcube_mail_ui()
     if (bw.tablet) {
       $('#viewport').attr('content', "width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0");
     }
+
+    $(document).ready(function() { me.init(); });
   }
 
 
@@ -288,8 +290,8 @@ function rcube_mail_ui()
       else if (rcmail.env.action == 'edit-prefs') {
         var legend = $('#preferences-details fieldset.advanced legend'),
           toggle = $('<a href="#toggle"></a>')
-            .text(env.toggleoptions)
-            .attr('title', env.toggleoptions)
+            .text(rcmail.gettext('toggleadvancedoptions'))
+            .attr('title', rcmail.gettext('toggleadvancedoptions'))
             .addClass('advanced-toggle');
 
         legend.click(function(e) {
@@ -449,7 +451,7 @@ function rcube_mail_ui()
           resizable: false,
           closeOnEscape: true,
           dialogClass: 'popupmessage ' + p.type,
-          title: env.errortitle,
+          title: rcmail.gettext('errortitle'),
           close: dialog_close,
           hide: {effect: 'fadeOut'},
           width: 420,