From f3d4b55856e1d7f043831c5d8fcf92bc74395605 Mon Sep 17 00:00:00 2001
From: Wu Cheng-Han <jacky_cute0808@hotmail.com>
Date: Wed, 12 Oct 2016 17:50:01 +0800
Subject: [PATCH] Fix getCaretPosition in text complete might get undefined
 position error

---
 .../jquery.textcomplete.js                    | 35 +++++++++++++------
 1 file changed, 25 insertions(+), 10 deletions(-)

diff --git a/public/vendor/jquery-textcomplete/jquery.textcomplete.js b/public/vendor/jquery-textcomplete/jquery.textcomplete.js
index e1d90d0a5..cd2f863dc 100755
--- a/public/vendor/jquery-textcomplete/jquery.textcomplete.js
+++ b/public/vendor/jquery-textcomplete/jquery.textcomplete.js
@@ -863,16 +863,31 @@ if (typeof jQuery === 'undefined') {
     //
     // FIXME: Calculate the left top corner of `this.option.appendTo` element.
     getCaretPosition: function () {
-      //var position = this._getCaretRelativePosition();
-      //var offset = this.$el.offset();
-      //var offset = $('.CodeMirror-cursor').offset();
-      var position = $('.CodeMirror-cursor').position();
-      var menu = $('.cursor-menu .dropdown-menu');
-      var offsetLeft = parseFloat(menu.attr('data-offset-left'));
-      var offsetTop = parseFloat(menu.attr('data-offset-top'));
-      position.left += offsetLeft;
-      position.top += offsetTop;
-      return position;
+      if ($('.CodeMirror-cursor').length > 0) {
+        var position = $('.CodeMirror-cursor').position();
+        var menu = $('.cursor-menu .dropdown-menu');
+        var offsetLeft = parseFloat(menu.attr('data-offset-left'));
+        var offsetTop = parseFloat(menu.attr('data-offset-top'));
+        position.left += offsetLeft;
+        position.top += offsetTop;
+        return position;
+      } else {
+        var position = this._getCaretRelativePosition();
+        var offset = this.$el.offset();
+
+        // Calculate the left top corner of `this.option.appendTo` element.
+        var $parent = this.option.appendTo;
+        if ($parent) {
+          if (!($parent instanceof $)) { $parent = $($parent); }
+          var parentOffset = $parent.offsetParent().offset();
+          offset.top -= parentOffset.top;
+          offset.left -= parentOffset.left;
+        }
+
+        position.top += offset.top;
+        position.left += offset.left;
+        return position;
+      }
     },
 
     // Focus on the element.