From 6bb7861bddabe621ad7c8fc31b76241fb4456899 Mon Sep 17 00:00:00 2001
From: Mathieu Duponchelle <mathieu.duponchelle@opencreed.com>
Date: Fri, 3 Apr 2015 12:49:09 +0200
Subject: [PATCH] clean up event handlers and helper divs.

+ This allows to call the plugin again when the content of the
  page has changed.
---
 src/javascripts/jquery.tocify.js | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/javascripts/jquery.tocify.js b/src/javascripts/jquery.tocify.js
index f464d95..45d199e 100644
--- a/src/javascripts/jquery.tocify.js
+++ b/src/javascripts/jquery.tocify.js
@@ -143,6 +143,9 @@
 
             self.extendPageScroll = true;
 
+	    // Getting rid of possibly existing helper divs
+	    $("[data-unique]").remove();
+
             // Internal array that keeps track of all TOC items (Helps to recognize if there are duplicate TOC item strings)
             self.items = [];
 
@@ -515,9 +518,12 @@
                 $self,
 
                 // Instantiates a new variable that will be used to determine the smoothScroll animation time duration
-                duration;
+                duration,
+
+                li = this.element.find("li");
 
             // Event delegation that looks for any clicks on list item elements inside of the HTML element calling the plugin
+            this.element.off("click.tocify", "li");
             this.element.on("click.tocify", "li", function(event) {
 
                 if(self.options.history) {
@@ -546,7 +552,9 @@
             });
 
             // Mouseenter and Mouseleave event handlers for the list item's within the HTML element calling the plugin
-            this.element.find("li").on({
+            li.off("mouseenter.tocify");
+            li.off("mouseleave.tocify");
+            li.on({
 
                 // Mouseenter event handler
                 "mouseenter.tocify": function() {
@@ -576,6 +584,7 @@
             if (self.options.extendPage || self.options.highlightOnScroll || self.options.scrollHistory || self.options.showAndHideOnScroll)
             {
             // Window scroll event handler
+                $(window).off("scroll.tocify");
                 $(window).on("scroll.tocify", function() {
 
                     // Once all animations on the page are complete, this callback function will be called