67 files changed, 2311 insertions, 682 deletions

diff --git a/js/components/combobox.reel/combobox.js b/js/components/combobox.reel/combobox.js
index f262bb06..a68a7d6b 100644
--- a/js/components/combobox.reel/combobox.js
+++ b/js/components/combobox.reel/combobox.js
@@ -67,7 +67,7 @@ exports.Combobox = Montage.create(Component, {
                 var e = document.createEvent("CustomEvent");
                 e.initEvent("change", true, true);
                 e.type = "change";
-                e._wasSetByCode = this._wasSetByCode;
+                e.wasSetByCode = this._wasSetByCode;
                 e.value = this._value;
                 this.dispatchEvent(e);
 
diff --git a/js/components/controllers/tree-controller.js b/js/components/controllers/tree-controller.js
new file mode 100644
index 00000000..03ef7b9e
--- /dev/null
+++ b/js/components/controllers/tree-controller.js
@@ -0,0 +1,185 @@
+/* <copyright>
+ This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
+ No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
+ (c) Copyright 2011 Motorola Mobility, Inc.  All Rights Reserved.
+ </copyright> */
+/**
+ @module montage/ui/controller/tree-controller
+ @requires montage/core/core
+ @requires montage/ui/controller/object-controller
+ @requires montage/core/event/mutable-event
+ */
+var Montage = require("montage").Montage,
+    ObjectController = require("montage/ui/controller/object-controller").ObjectController,
+    ArrayController = require("montage/ui/controller/array-controller").ArrayController,
+    MutableEvent = require("montage/core/event/mutable-event").MutableEvent;
+/**
+    TODO: Write description like the array controllers: The ArrayController helps with organizing a hierarchical
+    collection of objects, and managing user selection within that collection.
+    You can assign a TreeController instance as the <code>contentProvider</code> property for a TreeView object.
+    @class module:montage/ui/controller/tree-controller.TreeController
+    @classdesc
+    @extends module:montage/ui/controller/object-controller.ObjectController
+*/
+var TreeController = exports.TreeController = Montage.create(ObjectController, /** @lends module:montage/ui/controller/tree-controller.TreeController# */ {
+
+    rootKey : {
+        value: null
+    },
+
+    branchKey : {
+        value: 'children'
+    },
+
+    _root : {
+        value : null
+    },
+    root : {
+        get: function() {
+            return this._root;
+        },
+        set: function(value) {
+            this._root = value;
+
+            this.initArrayControllers();
+        }
+    },
+
+    rootController: {
+        value: null
+    },
+
+    initArrayControllers : {
+        value: function() {
+            var self = this;
+
+            ///// Recursive function that finds all branch nodes and initializes
+            ///// sets the tree node type to "branch" or "leaf"
+
+            function walk(node, init, depth) {
+                var branch = node[self.branchKey];
+
+                if(branch) {
+                    branch.forEach(function(node) {
+                        walk(node, init, ++depth);
+                    });
+
+                    node['treeNodeType'] = 'branch';
+                } else {
+                    node['treeNodeType'] = 'leaf';
+                }
+            }
+
+            walk(this._root, 0);
+
+        }
+    },
+
+    /**
+        @private
+     */
+    _selectedIndexes: {
+        value: null,
+        enumerable: false
+    },
+
+   /**
+        Description TODO
+        @type {Function}
+        @default null
+    */
+   selectedIndexes: {
+       get: function() {
+           return this._selectedIndexes;
+       },
+       set: function(value) {
+           this._selectedIndexes = value;
+       }
+   },
+
+    branchControllers: {
+        value: []
+    },
+
+    addBranchController : {
+        value: function(controller) {