From 0b6d45356ebb9a55f07eb2834e0aab19227f4b2a Mon Sep 17 00:00:00 2001
From: Ingo Schommer <ingo@silverstripe.com>
Date: Wed, 13 Jun 2012 23:15:13 +0200
Subject: [PATCH] MINOR Added destroy() method to jQuery.changetracker plugin

---
 .../jquery-changetracker/lib/jquery.changetracker.js | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/admin/javascript/jquery-changetracker/lib/jquery.changetracker.js b/admin/javascript/jquery-changetracker/lib/jquery.changetracker.js
index 44085f7d3..0aa5d18f4 100644
--- a/admin/javascript/jquery-changetracker/lib/jquery.changetracker.js
+++ b/admin/javascript/jquery-changetracker/lib/jquery.changetracker.js
@@ -67,8 +67,8 @@
 			
 			// setup original values
 			var fields = this.getFields();
-			fields.filter(':radio,:checkbox').bind('click', onchange);
-			fields.not(':radio,:checkbox').bind('change', onchange);
+			fields.filter(':radio,:checkbox').bind('click.changetracker', onchange);
+			fields.not(':radio,:checkbox').bind('change.changetracker', onchange);
 			fields.each(function() {
 				var origVal = $(this).is(':radio,:checkbox') ? self.find(':input[name=' + $(this).attr('name') + ']:checked').val() : $(this).val();
 				$(this).data('changetracker.origVal', origVal);
@@ -76,6 +76,14 @@
 
 			this.data('changetracker', true);
 		};
+
+		this.destroy = function() {
+			this.getFields()
+				.unbind('.changetracker')
+				.removeClass(options.changedCssClass)
+				.removeData('changetracker.origVal');
+			this.removeData('changetracker');
+		};
 			
 		/**
 		 * Reset change state of all form fields and the form itself.