From 72da3175839c287465ac02814e25ce51e5b7d7fc Mon Sep 17 00:00:00 2001
From: Joman Chu <code@notatypewriter.com>
Date: Sun, 3 Mar 2013 21:49:48 -0500
Subject: [PATCH] Allow tooltip offset to be set by function call

---
 src/javascripts/jquery.tipsy.js | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/src/javascripts/jquery.tipsy.js b/src/javascripts/jquery.tipsy.js
index f95c063..e89a56c 100644
--- a/src/javascripts/jquery.tipsy.js
+++ b/src/javascripts/jquery.tipsy.js
@@ -42,19 +42,20 @@
                     actualHeight = $tip[0].offsetHeight,
                     gravity = maybeCall(this.options.gravity, this.$element[0]);
                 
+                var offset = this.getOffset();
                 var tp;
                 switch (gravity.charAt(0)) {
                     case 'n':
-                        tp = {top: pos.top + pos.height + this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2};
+                        tp = {top: pos.top + pos.height + offset, left: pos.left + pos.width / 2 - actualWidth / 2};
                         break;
                     case 's':
-                        tp = {top: pos.top - actualHeight - this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2};
+                        tp = {top: pos.top - actualHeight - offset, left: pos.left + pos.width / 2 - actualWidth / 2};
                         break;
                     case 'e':
-                        tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth - this.options.offset};
+                        tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth - offset};
                         break;
                     case 'w':
-                        tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width + this.options.offset};
+                        tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width + offset};
                         break;
                 }
                 
@@ -94,6 +95,17 @@
                 $e.attr('original-title', $e.attr('title') || '').removeAttr('title');
             }
         },
+
+        getOffset: function() {
+          var offset, $e = this.$element, o = this.options;
+          if (typeof o.offset == 'number') {
+            return o.offset;
+          } else if (typeof o.offset == 'string') {
+            return +o.offset;
+          } else if (typeof o.offset == 'function') {
+            return o.offset.call($e[0]);
+          }
+        },
         
         getTitle: function() {
             var title, $e = this.$element, o = this.options;