From 28b068ed33ae8c7107fbfc3daffe027814654997 Mon Sep 17 00:00:00 2001
From: jiimka <demetriofromparis@gmail.com>
Date: Wed, 6 Feb 2019 13:18:07 +0200
Subject: [PATCH] Allow customizing CollapsibleOptGroups caret icon

---
 dist/js/bootstrap-multiselect.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dist/js/bootstrap-multiselect.js b/dist/js/bootstrap-multiselect.js
index 2a028b77..519119fa 100644
--- a/dist/js/bootstrap-multiselect.js
+++ b/dist/js/bootstrap-multiselect.js
@@ -827,11 +827,13 @@
 
             if (this.options.enableCollapsibleOptGroups && this.options.multiple) {
                 $("li.multiselect-group .caret-container", this.$ul).on("click", $.proxy(function(event) {
+                    var $target = $(event.target);
                     var $li = $(event.target).closest('li');
                     var $inputs = $li.nextUntil("li.multiselect-group")
                             .not('.multiselect-filter-hidden');
 
                     var visible = true;
+                    $target.toggleClass('expanded');
                     $inputs.each(function() {
                         visible = visible && !$(this).hasClass('multiselect-collapsible-hidden');
                     });