ENH Set aria-expanded attr on toggle

Author: emteknetnz

client/dist/js/bundle.js

@@ -131,6 +131,14 @@ $.entwine('ss.tree', function($){
             e.namespace = '';
             $(document).triggerHandler(e, data);
           })
+          .on('open_node.jstree', function(e, data) {
+            var $li = $(data.args[0]);
+            $li.children('a').attr('aria-expanded', 'true');
+          })
+          .on('close_node.jstree', function(e, data) {
+            var $li = $(data.args[0]);
+            $li.children('a').attr('aria-expanded', 'false');
+          })
           .on('keydown', function(e) {
             var key = e.key;
             var target = e.target;