X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/ddc252016a42c076c4f8dd8d0efd1caf055eb518..7e7ede890e8e948236d3dbc48e24aca00cd01f62:/app/controllers/site_controller.rb

diff --git a/app/controllers/site_controller.rb b/app/controllers/site_controller.rb
index 5d63e79fd..58f0a11c9 100644
--- a/app/controllers/site_controller.rb
+++ b/app/controllers/site_controller.rb
@@ -138,7 +138,12 @@ class SiteController < ApplicationController
   end
 
   def preview
-    render :html => RichText.new(params[:type], params[:text]).to_html
+    if params[:text].blank?
+      flash.now[:warning] = t("layouts.nothing_to_preview")
+      render :partial => "layouts/flash"
+    else
+      render :html => RichText.new(params[:type], params[:text]).to_html
+    end
   end
 
   def id