From 96f2aa4c72b5f29782b0736ed95468e50d338d6e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Scott=20Gonz=C3=A1lez?= <scott.gonzalez@gmail.com>
Date: Fri, 5 Oct 2012 11:26:49 -0400
Subject: [PATCH] Tooltip: Check if event exists before checking properties in
 open(). Fixes #8626 - Programatically opening a tooltip with out giving an
 event results in a javascript error.

---
 tests/unit/tooltip/tooltip_methods.js | 17 +++++++++++++++++
 ui/jquery.ui.tooltip.js               |  2 +-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/tests/unit/tooltip/tooltip_methods.js b/tests/unit/tooltip/tooltip_methods.js
index 0af1e06e9..896e910c6 100644
--- a/tests/unit/tooltip/tooltip_methods.js
+++ b/tests/unit/tooltip/tooltip_methods.js
@@ -29,6 +29,23 @@ test( "open/close", function() {
 	$.fx.off = false;
 });
 
+// #8626 - Calling open() without an event
+test( "open/close with tracking", function() {
+	expect( 3 );
+	$.fx.off = true;
+	var tooltip,
+		element = $( "#tooltipped1" ).tooltip({ track: true });
+	equal( $( ".ui-tooltip" ).length, 0, "no tooltip on init" );
+
+	element.tooltip( "open" );
+	tooltip = $( "#" + element.data( "ui-tooltip-id" ) );
+	ok( tooltip.is( ":visible" ) );
+
+	element.tooltip( "close" );
+	ok( tooltip.is( ":hidden" ) );
+	$.fx.off = false;
+});
+
 test( "enable/disable", function() {
 	expect( 7 );
 	$.fx.off = true;
diff --git a/ui/jquery.ui.tooltip.js b/ui/jquery.ui.tooltip.js
index a97d698e3..32aad6487 100644
--- a/ui/jquery.ui.tooltip.js
+++ b/ui/jquery.ui.tooltip.js
@@ -216,7 +216,7 @@ $.widget( "ui.tooltip", {
 			positionOption.of = event;
 			tooltip.position( positionOption );
 		}
-		if ( this.options.track && /^mouse/.test( event.originalEvent.type ) ) {
+		if ( this.options.track && event && /^mouse/.test( event.originalEvent.type ) ) {
 			positionOption = $.extend( {}, this.options.position );
 			this._on( this.document, {
 				mousemove: position