vendor/assets/javascripts/hoverdown.js in flashgrid-2.0.0 vs vendor/assets/javascripts/hoverdown.js in flashgrid-2.0.1

@@ -38,35 +38,29 @@
                     // stop this event, stop executing any code
                     // in this callback but continue to propagate
                     return true;
                 }
 
-                $allDropdowns.find(':focus').blur();
-
-                if(settings.instantlyCloseOthers === true)
-                    $allDropdowns.removeClass('open');
-
-                window.clearTimeout(timeout);
-                $parent.addClass('open');
-                $this.trigger(showEvent);
+                openDropdown(event);
             }, function () {
                 timeout = window.setTimeout(function () {
                     $parent.removeClass('open');
                     $this.trigger(hideEvent);
                 }, settings.delay);
             });
 
             // this helps with button groups!
-            $this.hover(function () {
-                $allDropdowns.find(':focus').blur();
+            $this.hover(function (event) {
+                // this helps prevent a double event from firing.
+                // see https://github.com/CWSpear/bootstrap-hover-dropdown/issues/55
+                if(!$parent.hasClass('open') && !$parent.is(event.target)) {
+                    // stop this event, stop executing any code
+                    // in this callback but continue to propagate
+                    return true;
+                }
 
-                if(settings.instantlyCloseOthers === true)
-                    $allDropdowns.removeClass('open');
-
-                window.clearTimeout(timeout);
-                $parent.addClass('open');
-                $this.trigger(showEvent);
+                openDropdown(event);
             });
 
             // handle submenus
             $parent.find('.dropdown-submenu').each(function (){
                 var $this = $(this);
@@ -81,9 +75,20 @@
                     subTimeout = window.setTimeout(function () {
                         $submenu.hide();
                     }, settings.delay);
                 });
             });
+
+            function openDropdown(event) {
+                $allDropdowns.find(':focus').blur();
+
+                if(settings.instantlyCloseOthers === true)
+                    $allDropdowns.removeClass('open');
+
+                window.clearTimeout(timeout);
+                $parent.addClass('open');
+                $this.trigger(showEvent);
+            }
         });
     };
 
     $(document).ready(function () {
         // apply dropdownHover to all elements with the data-hover="dropdown" attribute
\ No newline at end of file