From 3d64938adcd4dd9372c0a47aa4f03b065d088279 Mon Sep 17 00:00:00 2001
From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: Fri, 7 Feb 2014 09:26:27 +0000
Subject: [PATCH] Adds JS response support to #render_error (#15760).

git-svn-id: http://svn.redmine.org/redmine/trunk@12855 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 app/controllers/application_controller.rb | 4 ++++
 app/views/common/error.js.erb             | 1 +
 2 files changed, 5 insertions(+)
 create mode 100644 app/views/common/error.js.erb

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index b297aa738..8060c9e96 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -431,6 +431,10 @@ class ApplicationController < ActionController::Base
       format.html {
         render :template => 'common/error', :layout => use_layout, :status => @status
       }
+      format.js {
+        # Can't use an error status here, browsers wouldn't execute the JS response
+        render :template => 'common/error', :layout => false, :status => 200
+      }
       format.any { head @status }
     end
   end
diff --git a/app/views/common/error.js.erb b/app/views/common/error.js.erb
new file mode 100644
index 000000000..81d377fe6
--- /dev/null
+++ b/app/views/common/error.js.erb
@@ -0,0 +1 @@
+alert("<%= raw escape_javascript @message %> (<%= raw escape_javascript @status.to_s %>)");