From 167ee90a704cc0fc8ccd7f4cc0184323f22d6da7 Mon Sep 17 00:00:00 2001
From: Bia41 <beatriz.vbernardo@gmail.com>
Date: Mon, 31 Mar 2014 05:02:13 +0100
Subject: [PATCH] #673 Replaced .once with @listenToOnce

Replaced .once with @listenToOnce on CocoModel, as requested on Issue #673
---
 app/models/CocoModel.coffee | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/app/models/CocoModel.coffee b/app/models/CocoModel.coffee
index 834dbe061..7337ccb83 100644
--- a/app/models/CocoModel.coffee
+++ b/app/models/CocoModel.coffee
@@ -55,10 +55,12 @@ class CocoModel extends Backbone.Model
   loadSchema: ->
     return if @constructor.schema.loading
     @constructor.schema.fetch()
-    @constructor.schema.once 'sync', =>
-      @constructor.schema.loaded = true
-      @addSchemaDefaults()
-      @trigger 'schema-loaded'
+    @listenToOnce(@constructor.schema, 'sync', @onConstructorSync)
+
+  onConstructorSync: ->
+    @constructor.schema.loaded = true
+    @addSchemaDefaults()
+    @trigger 'schema-loaded' 
 
   @hasSchema: -> return @schema?.loaded
   schema: -> return @constructor.schema