From 37de40d71962c67b58e944a24ce84c434dcf5f98 Mon Sep 17 00:00:00 2001
From: Graham Knop <graham@plainblack.com>
Date: Thu, 27 Sep 2007 06:31:06 +0000
Subject: [PATCH] fix enmpy hover help showing

---
 lib/WebGUI/Form/Control.pm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/WebGUI/Form/Control.pm b/lib/WebGUI/Form/Control.pm
index 06c46943b..fb8600313 100644
--- a/lib/WebGUI/Form/Control.pm
+++ b/lib/WebGUI/Form/Control.pm
@@ -661,6 +661,8 @@ sub getHoverCode {
     $hoverHelp =~ s/\n/ /g;
     $hoverHelp =~ s/'/\\'/g;
     $hoverHelp =~ s/^\s+//;
+    return ''
+        unless $hoverHelp;
     my $hover = '<script type="text/javascript">var tooltip = new YAHOO.widget.Tooltip("' . $attachId . '_tooltip", { context: "' . $attachId . '", text: \'' . $hoverHelp . '\', autodismissdelay: 100000, width: "300px"});</script>';
     $style->setLink($url->extras('/hoverhelp.css'),{ type=>'text/css', rel=>"stylesheet" });
     $style->setScript($url->extras('/yui/build/yahoo/yahoo-min.js'),{ type=>'text/javascript' });