Add sanity check before attempting to add scripts to a non-html output object

1 files changed, 6 insertions, 0 deletions

diff --git a/plugins/jqueryui/jqueryui.php b/plugins/jqueryui/jqueryui.php
index 1511ac5cf..006164c69 100644
--- a/plugins/jqueryui/jqueryui.php
+++ b/plugins/jqueryui/jqueryui.php
@@ -21,6 +21,12 @@ class jqueryui extends rcube_plugin
     public function init()
     {
         $rcmail = rcmail::get_instance();
+
+        // the plugin might have been force-loaded so do some sanity check first
+        if ($rcmail->output->type != 'html') {
+          return;
+        }
+
         $this->load_config();
 
         // include UI scripts