From 27d10235539e0f5baad6ee7e8d3d91cab65e2cfd Mon Sep 17 00:00:00 2001
From: TJ VanToll <tj.vantoll@gmail.com>
Date: Mon, 30 Apr 2012 12:39:06 -0400
Subject: [PATCH] Draggable: Don't run stop methods for elements that have been
 removed.  Fixed #8269 - Removing draggable element on drop :
 a(this).data("draggable") is undefined.

---
 ui/jquery.ui.draggable.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/ui/jquery.ui.draggable.js b/ui/jquery.ui.draggable.js
index 25b256710..84077ed29 100644
--- a/ui/jquery.ui.draggable.js
+++ b/ui/jquery.ui.draggable.js
@@ -207,8 +207,14 @@ $.widget("ui.draggable", $.ui.mouse, {
 			this.dropped = false;
 		}
 		
-		//if the original element is removed, don't bother to continue
-		if((!this.element[0] || !this.element[0].parentNode) && this.options.helper === "original")
+		//if the original element is no longer in the DOM don't bother to continue (see #8269)
+		var element = this.element[0], elementInDom = false;
+		while ( element && (element = element.parentNode) ) {
+			if (element == document ) {
+				elementInDom = true;
+			}
+		}
+		if ( !elementInDom && this.options.helper === "original" )
 			return false;
 
 		if((this.options.revert == "invalid" && !dropped) || (this.options.revert == "valid" && dropped) || this.options.revert === true || ($.isFunction(this.options.revert) && this.options.revert.call(this.element, dropped))) {