gistfile1.diff

commit 2111cdc41fbd683e43b33a38a7f4b60670b3013b
Author: wbailey <wi11.bai1ey@facebook.com>
Date:   Fri Feb 25 09:50:40 2011 -0800

    model change event is now just "changed"

diff --git a/src/binding.js b/src/binding.js
index 668c9a9..dafbee1 100644
--- a/src/binding.js
+++ b/src/binding.js
@@ -22,7 +22,7 @@ JX.install('Binding', {
       util.bind(this.updateModel, this));
 
     this.modelToken = this.getModel().listen(
-      this.getModelEvent(),
+      'changed',
       util.bind(this.updateView, this));
 
     if (options.sync !== false) {
@@ -70,8 +70,11 @@ JX.install('Binding', {
     },
 
     updateView: function(event) {
-      if (this.getViewValue() != this.getModelValue() &&
-        event.source !== this) {
+      var modelProperty = this.getModelProperty();
+      var modelValue = this.getModelValue();
+      var viewValue = this.getViewValue();
+      var isRelevant = (event.changedProperties || {})[modelProperty];
+      if (isRelevant && viewValue !== modelValue && event.source !== this ) {
         this.setViewValue(this.getModelValue());
       }
     }
diff --git a/src/model.js b/src/model.js
index 7a2300e..51387f1 100644
--- a/src/model.js
+++ b/src/model.js
@@ -14,8 +14,25 @@ JX.install('Model', {
     },
 
     set: function(key, value) {
-      var setter = util.setter(key);
-      return this[setter] && this[setter](value);
+      var prop = {};
+      prop[key] = value;
+      return this.setAll(prop);
+    },
+
+    setAll: function(obj) {
+      var changedProperties = {};
+      util.forEach(obj, function(value, key) {
+        var hidden = '__auto__' + key;
+        var prev = this[hidden];
+        if (!util.isEqual(prev, value)) {
+          this[hidden] = value;
+          changedProperties[key] = prev;
+        }
+      }, this);
+      if (!util.isEmpty(changedProperties)) {
+        this.invoke('changed', {changedProperties: changedProperties});
+      }
+      return this;
     }
   }
 
@@ -28,19 +45,13 @@ exports.install = function(name, junk) {
   junk.members = junk.members || {};
 
   util.forEach(junk.properties, function(value, key) {
-    var hidden = '__auto__' + key;
-    var changed = key + 'Changed';
-
-    junk.events.push(changed);
-
+    junk.events.push('changed');
     junk.members[util.getter(key)] = function() {
-      return this[hidden] || value;
+      return this['__auto__' + key] || value;
     };
 
     junk.members[util.setter(key)] = function(value) {
-      var prev = this[hidden];
-      this[hidden] = value;
-      this.invoke(changed, {value: prev});
+      this.set(key, value);
       return this;
     };
   });