From 9a538f875aa8de8c2cf602bf86ec6eaa4e40b939 Mon Sep 17 00:00:00 2001
From: Caleb Spare
Date: Wed, 22 Aug 2012 15:19:29 -0700
Subject: Prompt if exiting the options page with unsaved changes.

Fixes #549.
---
 options/options.coffee | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/options/options.coffee b/options/options.coffee
index 9f43defd..248750ca 100644
--- a/options/options.coffee
+++ b/options/options.coffee
@@ -28,6 +28,9 @@ document.addEventListener "DOMContentLoaded", ->
   document.getElementById("restoreSettings").addEventListener "click", restoreToDefaults
   document.getElementById("saveOptions").addEventListener "click", saveOptions
 
+window.onbeforeunload = ->
+  if $("saveOptions").disabled then null else "You have unsaved changes to options."
+
 onOptionKeyup = (event) ->
   if (event.target.getAttribute("type") isnt "checkbox" and
       event.target.getAttribute("savedValue") isnt event.target.value)
-- 
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