From 8b88745f0fb37d44a69e0c99e5d84dd3b372ff0f Mon Sep 17 00:00:00 2001
From: Tobias Stenzel <t.stenzel@alphanodes.com>
Date: Thu, 14 Sep 2017 12:18:51 +0000
Subject: [PATCH] delay ajax load indicator by 300ms

* avoid flashing for short AJAX calls
---
 .../additionals_delay_ajax_indicator.js            | 14 ++++++++++++++
 lib/additionals/helpers.rb                         |  1 +
 2 files changed, 15 insertions(+)
 create mode 100644 assets/javascripts/additionals_delay_ajax_indicator.js

diff --git a/assets/javascripts/additionals_delay_ajax_indicator.js b/assets/javascripts/additionals_delay_ajax_indicator.js
new file mode 100644
index 00000000..29a63b0d
--- /dev/null
+++ b/assets/javascripts/additionals_delay_ajax_indicator.js
@@ -0,0 +1,14 @@
+  function delayAjaxIndicator() {
+    $(document).off('ajaxSend').bind('ajaxSend', function(event, xhr, settings) {
+    if ($('.ajax-loading').length === 0 && settings.contentType != 'application/octet-stream') {
+      $('#ajax-indicator').stop(true, false).delay(300).show(0);
+    }
+    });
+
+    $(document).off('ajaxStop').bind('ajaxStop', function() {
+      $('#ajax-indicator').hide(0);
+    });
+
+  };
+
+  $(document).ready(delayAjaxIndicator)
diff --git a/lib/additionals/helpers.rb b/lib/additionals/helpers.rb
index f1b653cc..8c599c2d 100644
--- a/lib/additionals/helpers.rb
+++ b/lib/additionals/helpers.rb
@@ -188,6 +188,7 @@ module Additionals
 
     def additionals_load_select2
       additionals_include_js('additionals_to_select2')
+      additionals_include_js('additionals_delay_ajax_indicator')
     end
 
     def additionals_load_font_awesome