From 268db9080a0b80a9cb0a266a6c4ddf0eeb2c0643 Mon Sep 17 00:00:00 2001
From: Saleem Latif <saleem_ee@hotmail.com>
Date: Wed, 16 Dec 2015 10:30:02 +0500
Subject: [PATCH] Disable 'Generate Exception Certificates' button when there
 are no certificate exceptions.

---
 lms/static/js/certificates/views/certificate_whitelist.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lms/static/js/certificates/views/certificate_whitelist.js b/lms/static/js/certificates/views/certificate_whitelist.js
index 783ca77fcb..39f850a7e3 100644
--- a/lms/static/js/certificates/views/certificate_whitelist.js
+++ b/lms/static/js/certificates/views/certificate_whitelist.js
@@ -32,7 +32,12 @@
                 render: function(){
                     var template = this.loadTemplate('certificate-white-list');
                     this.$el.html(template({certificates: this.collection.models}));
-
+                    if (this.collection.isEmpty()) {
+                        this.$("#generate-exception-certificates").addClass("is-disabled");
+                    }
+                    else {
+                        this.$("#generate-exception-certificates").removeClass("is-disabled");
+                    }
                 },
 
                 loadTemplate: function(name) {