From ab9c55689eaa383edbb6c61ee68d426211009fde Mon Sep 17 00:00:00 2001
From: Sam <sam.saffron@gmail.com>
Date: Wed, 10 Apr 2013 17:49:25 +1000
Subject: [PATCH] don't error out if no range is selected

---
 .../discourse/controllers/quote_button_controller.js       | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/app/assets/javascripts/discourse/controllers/quote_button_controller.js b/app/assets/javascripts/discourse/controllers/quote_button_controller.js
index 79acd24b7..5662063b3 100644
--- a/app/assets/javascripts/discourse/controllers/quote_button_controller.js
+++ b/app/assets/javascripts/discourse/controllers/quote_button_controller.js
@@ -35,8 +35,13 @@ Discourse.QuoteButtonController = Discourse.Controller.extend({
     // don't display the "quote-reply" button if we can't create a post
     if (!this.get('controllers.topic.content.can_create_post')) return;
 
+    var selection = window.getSelection();
+
+    // no selections
+    if (selection.type !== "Range") return;
+
     // retrieve the selected range
-    var range = window.getSelection().getRangeAt(0),
+    var range = selection.getRangeAt(0),
         cloned = range.cloneRange(),
         $ancestor = $(range.commonAncestorContainer);