Améliore le modèle et la collection Sound

js/app/collections/sounds.js

@@ -2,14 +2,25 @@ define(
     'collections/sounds',
     [
         'backbone',
+        'underscore',
         'models/sound'
     ],
-    function (Backbone, Sound) {
+    function (Backbone, _, Sound) {
         "use strict";
 
         var Sounds = Backbone.Collection.extend({
             model: Sound,
-            url: 'sounds/sounds.json'
+            url: 'sounds/sounds.json',
+            search : function(search){
+                if( search == "" ) {
+                    return this;
+                }
+
+                var pattern = new RegExp('^'+search, 'gi');
+                return _(this.filter(function(data) {
+                    return pattern.test(data.get('title'));
+                }));
+            }
         });
 
         return Sounds;

js/app/models/sound.js

@@ -16,11 +16,12 @@ define(
             },
             play: function() {
                 if( !this.audio ) {
-                    this.audio = new Audio('sounds/'+this.attributes.file);
+                    this.audio = new Audio('sounds/'+this.get('file'));
                 }
 
                 this.audio.play();
-                this.attributes.playing    = true;
+
+                this.set('playing', true);
             },
             stop: function() {
                 if( this.audio && !this.audio.paused ) {
@@ -28,7 +29,7 @@ define(
                     this.audio.load();
                 }
 
-                this.attributes.playing    = false;
+                this.set('playing', false);
             }
         });