From 89aa497f17bd28a69ea1fd408b1648f7b7c27958 Mon Sep 17 00:00:00 2001
From: Mike Grace <geek.mikegrace@gmail.com>
Date: Mon, 6 May 2013 17:38:54 -0400
Subject: [PATCH] Option to add and remove class to element being pinned as the
 pinning state changes. This allows CSS targeting based on if the element is
 being pinned or not.

---
 jquery.pin.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/jquery.pin.js b/jquery.pin.js
index 180452b..d9adef4 100644
--- a/jquery.pin.js
+++ b/jquery.pin.js
@@ -12,6 +12,7 @@
                 if (options.minWidth && $window.width() <= options.minWidth) {
                     if ($this.parent().is(".pin-wrapper")) { $this.unwrap(); }
                     $this.css({width: "", left: "", top: "", position: ""});
+                    if (options.activeClass) { $this.removeClass(options.activeClass); }
                     disabled = true;
                     continue;
                 } else {
@@ -60,13 +61,16 @@
                         left: $this.offset().left,
                         top: 0
                     }).css("position", "fixed");
+                    if (options.activeClass) { $this.addClass(options.activeClass); }
                 } else if (scrollY >= to) {
                     $this.css({
                         left: "auto",
                         top: to - data.parentTop
                     }).css("position", "absolute");
+                    if (options.activeClass) { $this.addClass(options.activeClass); }
                 } else {
                     $this.css({position: "", top: "", left: ""});
+                    if (options.activeClass) { $this.removeClass(options.activeClass); }
                 }
           }
         };