From 492d374b59600275a0a1a44d63d6dd21deac1c54 Mon Sep 17 00:00:00 2001
From: David Durman <org@client.io>
Date: Tue, 23 Apr 2013 20:05:10 +0200
Subject: [PATCH] trigger changes on all parent attributes

---
 README.md               |  4 ++++
 src/deep-model.js       | 19 +++++++++++++++++++
 test/deep-model.test.js |  4 ++++
 3 files changed, 27 insertions(+)

diff --git a/README.md b/README.md
index bdc6a08..3adabc8 100644
--- a/README.md
+++ b/README.md
@@ -46,6 +46,10 @@ Example code:
         console.log(val);
     });
 
+    //... and all parent attributes as well
+    model.bind('change:user.name', function(model, val) { console.log(val); });
+    model.bind('change:user', function(model, val) { console.log(val); });
+
     //Wildcards are supported
     model.bind('change:user.*', function() {});
     
diff --git a/src/deep-model.js b/src/deep-model.js
index 55c19dd..b9a154e 100644
--- a/src/deep-model.js
+++ b/src/deep-model.js
@@ -225,6 +225,25 @@
                 }
                 //</custom code>
               }
+              //<custom code>
+              // Flag triggered events so that they are not triggered more then once.
+              var triggered = {};
+              _.each(changes, function(key) {
+                  
+                var fields = key.split(separator);
+
+                //Trigger change events for parent keys without wildcard (*) notation.
+
+                for(var n = fields.length - 1; n > 0; n--) {
+                  var parentKey = _.first(fields, n).join(separator);
+
+                    if (!triggered[parentKey]) {
+                        this.trigger('change:' + parentKey, this, getNested(current, parentKey), options);
+                    }
+                    triggered[parentKey] = true;
+                }
+              }, this);
+              //</custom code>                
             }
 
             if (changing) return this;
diff --git a/test/deep-model.test.js b/test/deep-model.test.js
index bbd64ba..a39722f 100644
--- a/test/deep-model.test.js
+++ b/test/deep-model.test.js
@@ -262,6 +262,8 @@ test("set: Triggers model change:[attribute] events", function() {
             'change:user.name.first',
             'change:user.name.*',
             'change:user.*',
+            'change:user.name',
+            'change:user',
             'change'
         ]);
     })();
@@ -503,6 +505,8 @@ test("unset: Triggers model change:[attribute] events", function() {
             'change:user.name.first',
             'change:user.name.*',
             'change:user.*',
+            'change:user.name',
+            'change:user',
             'change'
         ]);
     })();