From d90ca1b934a9988c7bc6123c98cb3539edccc317 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matej=20Zrim=C5=A1ek?= <mzrimsek@biosistemika.com>
Date: Wed, 2 Aug 2017 16:49:53 +0200
Subject: [PATCH] Fixed slow exporting of repositories - JS listeners which
 triggered function responsible for providing export data was bound more than
 once. [SCI-1481]

---
 .../repositories/repository_datatable.js      | 23 +++++++++++--------
 1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/app/assets/javascripts/repositories/repository_datatable.js b/app/assets/javascripts/repositories/repository_datatable.js
index be818201a..f868deffb 100644
--- a/app/assets/javascripts/repositories/repository_datatable.js
+++ b/app/assets/javascripts/repositories/repository_datatable.js
@@ -728,21 +728,26 @@ var RepositoryDatatable = (function(global) {
         if (rowsSelected.length === 1) {
           $('#editRepositoryRecord').prop('disabled', false);
           $('#editRepositoryRecord').removeClass('disabled');
+
+          // If we switched from 2 selections to 1, then this is not needed
+          var events = $._data($('#exportRepositoriesButton').get(0), 'events');
+          if (!events || !events.click) {
+            $('#exportRepositoriesButton').removeClass('disabled');
+            $('#exportRepositoriesButton').prop('disabled', false);
+            $('#exportRepositoriesButton').on('click', function() {
+              $('#exportRepositoryModal').modal('show');
+            });
+            $('#export-repositories').on('click', function() {
+              animateSpinner(null, true);
+              $('#form-export').submit();
+            });
+          }
         } else {
           $('#editRepositoryRecord').prop('disabled', true);
           $('#editRepositoryRecord').addClass('disabled');
         }
         $('#deleteRepositoryRecordsButton').prop('disabled', false);
         $('#deleteRepositoryRecordsButton').removeClass('disabled');
-        $('#exportRepositoriesButton').removeClass('disabled');
-        $('#exportRepositoriesButton').prop('disabled', false);
-        $('#exportRepositoriesButton').on('click', function() {
-          $('#exportRepositoryModal').modal('show');
-        });
-        $('#export-repositories').on('click', function() {
-          animateSpinner(null, true);
-          $('#form-export').submit();
-        });
         $('#assignRepositoryRecords').removeClass('disabled');
         $('#assignRepositoryRecords').prop('disabled', false);
         $('#unassignRepositoryRecords').removeClass('disabled');