fix attributes()

lib/spine.js

@@ -43,7 +43,8 @@
       if (!(list  = this._callbacks[ev])) return this;
 
       for (i = 0, l = list.length; i < l; i++)
-        list[i].apply(this, args);
+        if (list[i].apply(this, args) === false)
+          return false;
       return this;
     }
   };
@@ -313,7 +314,7 @@
 
     attributes: function(){
       var result = {};
-      for(var i in this.parent.attributes) {
+      for (var i=0; i < this.parent.attributes.length; i++) {
         var attr = this.parent.attributes[i];
         result[attr] = this[attr];
       }
@@ -329,8 +330,8 @@
     save: function(){
       var error = this.validate();
       if (error) {
-        this.trigger("error", error);
-        return false;
+        if ( !this.trigger("error", error) )
+          throw("Validation failed: " + error);
       }
 
       this.trigger("beforeSave");
@@ -450,6 +451,10 @@
       for (var key in this.elements) {
         this[this.elements[key]] = this.$(key);
       }
+    },
+
+    delay: function(func, timeout){
+      setTimeout(this.proxy(func), timeout || 0);
     }
   });