From 8a954f4435086739589e059326c0243f545be2d1 Mon Sep 17 00:00:00 2001
From: Eston Bond <Eston Bond>
Date: Fri, 3 Dec 2010 22:46:59 -0800
Subject: [PATCH] IE7/8: Simplify textRange

---
 .../javascript/gollum-editor/gollum.editor.js | 38 +++++--------------
 1 file changed, 9 insertions(+), 29 deletions(-)

diff --git a/lib/gollum/frontend/public/javascript/gollum-editor/gollum.editor.js b/lib/gollum/frontend/public/javascript/gollum-editor/gollum.editor.js
index 731f4b59..3491ebdb 100755
--- a/lib/gollum/frontend/public/javascript/gollum-editor/gollum.editor.js
+++ b/lib/gollum/frontend/public/javascript/gollum-editor/gollum.editor.js
@@ -124,8 +124,7 @@
    */
   var debug = function(m) {
     if ( ActiveOptions.Debug 
-         && typeof console != 'undefined'
-         && typeof console.log == 'function' ) {
+         && typeof console != 'undefined' ) {
       console.log( m );
     }
   };
@@ -503,39 +502,20 @@
        */
       getFieldSelectionPosition: function( $field ) {
         if ($field.length) {
-          var start = 0, end = 0, normalizedValue, range,
-              textInputRange, len, endRange;
+          var start = 0, end = 0;
           var el = $field.get(0);
       
           if (typeof el.selectionStart == "number" && 
-            typeof el.selectionEnd == "number") {
+              typeof el.selectionEnd == "number") {
             start = el.selectionStart;
             end = el.selectionEnd;
           } else {
-            range = document.selection.createRange();
-      
-            if (range && range.parentElement() == el) {
-              len = el.value.length;
-              normalizedValue = el.value.replace(/\r\n/g, "\n");
-              textInputRange = el.createTextRange();
-              textInputRange.moveToBookmark(range.getBookmark());
-              endRange = el.createTextRange();
-              endRange.collapse(false);
-      
-              if (textInputRange.compareEndPoints("StartToEnd", endRange) > -1) {
-                start = end = len;
-              } else {
-                start = -textInputRange.moveStart("character", -len);
-                start += normalizedValue.slice(0, start).split("\n").length - 1;
-      
-                if (textInputRange.compareEndPoints("EndToEnd", endRange) > -1) {
-                  end = len;
-                } else {
-                  end = -textInputRange.moveEnd("character", -len);
-                  end += normalizedValue.slice(0, end).split("\n").length - 1;
-                }
-              }
-            }
+          	var range = document.selection.createRange();
+          	var stored_range = range.duplicate();
+          	stored_range.moveToElementText( el );
+          	stored_range.setEndPoint( 'EndToEnd', range );
+          	start = stored_range.text.length - range.text.length;
+          	end = start + range.text.length;
           }
       
           return {