Improve output: distinguish between failed assertions (failures) and unexpected exceptions (errors), and print a filtered stack trace for any exception.

webapp/web/src/dnd/Sortable.js

@@ -0,0 +1,28 @@
+/*
+	Copyright (c) 2004-2006, The Dojo Foundation
+	All Rights Reserved.
+
+	Licensed under the Academic Free License version 2.1 or above OR the
+	modified BSD license. For more information on Dojo licensing, see:
+
+		http://dojotoolkit.org/community/licensing.shtml
+*/
+
+dojo.provide("dojo.dnd.Sortable");
+dojo.require("dojo.dnd.*");
+
+dojo.dnd.Sortable = function () {}
+
+dojo.lang.extend(dojo.dnd.Sortable, {
+
+	ondragstart: function (e) {
+		var dragObject = e.target;
+		while (dragObject.parentNode && dragObject.parentNode != this) {
+			dragObject = dragObject.parentNode;
+		}
+		// TODO: should apply HtmlDropTarget interface to self
+		// TODO: should apply HtmlDragObject interface?
+		return dragObject;
+	}
+
+});