From 2b4a9d49d08fdef052934a788008a9d9c2c1b6a0 Mon Sep 17 00:00:00 2001
From: Kevin Malakoff <xmann.intl@gmail.com>
Date: Thu, 10 May 2012 19:07:39 +0200
Subject: [PATCH] Close GH-165: Updated Knockback to 0.15.1 and Knockout to
 2.1.0.

---
 architecture-examples/knockback/index.html    |  8 +-
 architecture-examples/knockback/js/app.js     | 11 ++-
 .../knockback/js/lib/knockback.min.js         |  5 +-
 .../knockback/js/lib/knockout-2.0.0.js        | 97 -------------------
 .../knockback/js/lib/knockout-2.1.0.js        | 86 ++++++++++++++++
 .../knockback/js/models/todo.js               | 28 +++---
 .../knockback/js/models/todo_collection.js    | 49 ++++++----
 .../knockback/js/routers/app.js               | 31 +++---
 .../knockback/js/viewmodels/footer.js         | 29 +++---
 .../knockback/js/viewmodels/header.js         | 16 +--
 .../knockback/js/viewmodels/settings.js       |  3 +
 .../knockback/js/viewmodels/todos.js          | 70 +++++++------
 .../knockback/src/app.coffee                  |  2 +-
 .../src/models/todo_collection.coffee         |  2 +-
 .../knockback/src/viewmodels/footer.coffee    |  8 +-
 .../knockback/src/viewmodels/todos.coffee     | 12 +--
 16 files changed, 242 insertions(+), 215 deletions(-)
 delete mode 100644 architecture-examples/knockback/js/lib/knockout-2.0.0.js
 create mode 100644 architecture-examples/knockback/js/lib/knockout-2.1.0.js

diff --git a/architecture-examples/knockback/index.html b/architecture-examples/knockback/index.html
index e5b1963792..f164618694 100755
--- a/architecture-examples/knockback/index.html
+++ b/architecture-examples/knockback/index.html
@@ -30,10 +30,7 @@ <h1>todos</h1>
 			</ul>
 		</section>
 		<footer id="footer" data-bind="block: todos.tasks_exist">
-			<span id="todo-count">
-				<strong data-bind="text: footer.remaining_count"></strong>
-				<span data-bind="text: footer.remaining_text"></span>
-			</span>
+			<span id="todo-count" data-bind="html: footer.remaining_text"></span>
 			<ul id="filters">
 				<li>
 					<a href="#/" data-bind="css: {selected: settings.list_filter_mode()==''}">All</a>
@@ -63,7 +60,7 @@ <h1>todos</h1>
 	<!-- Knockback Dependencies -->
 	<script src="js/lib/underscore-min.js"></script>
 	<script src="js/lib/backbone-min.js"></script>
-	<script src="js/lib/knockout-2.0.0.js"></script>
+	<script src="js/lib/knockout-2.1.0.js"></script>
 	<script src="js/lib/knockback.min.js"></script>
 	<!-- More Demo Dependencies -->
 	<script src="js/lib/backbone.localStorage-min.js"></script>
@@ -76,7 +73,6 @@ <h1>todos</h1>
 	<script src="js/viewmodels/footer.js"></script>
 	<script src="js/routers/app.js"></script>
 	<!-- The Demo -->
-	<script src="../../assets/base.js"></script>
 	<script src="js/app.js"></script>
 </body>
 </html>
\ No newline at end of file
diff --git a/architecture-examples/knockback/js/app.js b/architecture-examples/knockback/js/app.js
index 0b9195dd8d..c413ebbd7c 100644
--- a/architecture-examples/knockback/js/app.js
+++ b/architecture-examples/knockback/js/app.js
@@ -1,5 +1,6 @@
+// Generated by CoffeeScript 1.3.1
 (function() {
-  var __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
+
   $(function() {
     var todos;
     ko.bindingHandlers.dblclick = {
@@ -20,17 +21,18 @@
         });
       },
       update: function(element, value_accessor) {
+        var _this = this;
         ko.utils.unwrapObservable(value_accessor());
-        return _.defer(__bind(function() {
+        return _.defer(function() {
           return ko.bindingHandlers.hasfocus.update(element, value_accessor);
-        }, this));
+        });
       }
     };
     window.app = {
       viewmodels: {}
     };
     app.viewmodels.settings = new SettingsViewModel();
-    todos = new TodosCollection();
+    todos = new TodoCollection();
     app.viewmodels.header = new HeaderViewModel(todos);
     app.viewmodels.todos = new TodosViewModel(todos);
     app.viewmodels.footer = new FooterViewModel(todos);
@@ -39,4 +41,5 @@
     Backbone.history.start();
     return todos.fetch();
   });
+
 }).call(this);
diff --git a/architecture-examples/knockback/js/lib/knockback.min.js b/architecture-examples/knockback/js/lib/knockback.min.js
index 3c649d52f5..c1ff6a157b 100644
--- a/architecture-examples/knockback/js/lib/knockback.min.js
+++ b/architecture-examples/knockback/js/lib/knockback.min.js
@@ -1,5 +1,6 @@
+// Generated by CoffeeScript 1.3.1
 /*
- knockback.js 0.14.2
+ knockback.js 0.15.1
  (c) 2011 Kevin Malakoff.
  Knockback.js is freely distributable under the MIT license.
  See the following for full license details:
@@ -7,4 +8,4 @@
  Dependencies: Knockout.js, Backbone.js, and Underscore.js.
  Optional dependency: Backbone.ModelRef.js.
 */
-if(!this.ko){throw new Error("Knockback: Dependency alert! Knockout.js must be included before this file")}if(!this.Backbone){throw new Error("Knockback: Dependency alert! Backbone.js must be included before this file")}if(!this._||!this._.VERSION){throw new Error("Knockback: Dependency alert! Underscore.js must be included before this file")}this.Knockback||(this.Knockback={});this.kb||(this.kb=this.Knockback);Knockback.VERSION="0.14.2";Knockback.locale_manager;Knockback.wrappedObservable=function(a){if(!a._kb_observable){throw new Error("Knockback: _kb_observable missing from your instance")}return a._kb_observable};Knockback.setToDefault=function(a){if(a&&a.setToDefault){return a.setToDefault()}};Knockback.vmSetToDefault=function(b){var c,d,a;a=[];for(c in b){d=b[c];a.push(kb.setToDefault(d))}return a};Knockback.vmRelease=function(a){if(a instanceof kb.ViewModel_RCBase){a.release();return}return Knockback.vmReleaseObservables(a)};Knockback.vmReleaseObservables=function(b,d){var c,e,a;a=[];for(c in b){e=b[c];if(!e){continue}if(!(ko.isObservable(e)||(e instanceof kb.Observables)||(e instanceof kb.ViewModel_RCBase))){continue}if(d&&!_.contains(d,c)){continue}b[c]=null;a.push(kb.vmReleaseObservable(e))}return a};Knockback.vmReleaseObservable=function(a){if(!(ko.isObservable(a)||(a instanceof kb.Observables)||(a instanceof kb.ViewModel_RCBase))){return}if(a.destroy){return a.destroy()}else{if(a.dispose){return a.dispose()}else{if(a.release){return a.release()}}}};var __bind=function(a,b){return function(){return a.apply(b,arguments)}},__hasProp=Object.prototype.hasOwnProperty,__extends=function(d,b){for(var a in b){if(__hasProp.call(b,a)){d[a]=b[a]}}function c(){this.constructor=d}c.prototype=b.prototype;d.prototype=new c;d.__super__=b.prototype;return d};if(!this.Knockback){throw new Error("Knockback: Dependency alert! knockback_core.js must be included before this file")}Knockback.CollectionObservable=(function(){function a(j,i,l){var b,d,g,f,k,c,h,e;this.vm_observable_array=i;if(l==null){l={}}if(!j){throw new Error("CollectionObservable: collection is missing")}if(l.hasOwnProperty("view_model")){l.view_model_constructor=l.view_model;delete l.view_model}if(this.vm_observable_array||l.view_model_create||l.view_model_constructor){if(!this.vm_observable_array){throw new Error("CollectionObservable: vm_observable_array is missing")}}if(l.hasOwnProperty("defer")){b=l.defer;delete l.defer}this.options=_.clone(l);_.bindAll(this,"destroy","collection","sortedIndex","sortAttribute","viewModelByModel","eachViewModel","bind","unbind","trigger");_.bindAll(this,"_onGetValue","_onCollectionReset","_onCollectionResort","_onModelAdd","_onModelRemove","_onModelChanged");this._kb_collection=j;if(this._kb_collection.retain){this._kb_collection.retain()}this._kb_collection.bind("reset",this._onCollectionReset);if(!this.options.sorted_index){this._kb_collection.bind("resort",this._onCollectionResort)}h=["new","add"];for(g=0,k=h.length;g<k;g++){d=h[g];this._kb_collection.bind(d,this._onModelAdd)}e=["remove","destroy"];for(f=0,c=e.length;f<c;f++){d=e[f];this._kb_collection.bind(d,this._onModelRemove)}this._kb_collection.bind("change",this._onModelChanged);this._kb_value_observable=ko.observableArray([]);this._kb_observable=ko.dependentObservable(this._onGetValue);this._kb_observable.destroy=this.destroy;this._kb_observable.collection=this.collection;this._kb_observable.viewModelByModel=this.viewModelByModel;this._kb_observable.eachViewModel=this.eachViewModel;this._kb_observable.sortedIndex=this.sortedIndex;this._kb_observable.sortAttribute=this.sortAttribute;this._kb_observable.bind=this.bind;this._kb_observable.unbind=this.unbind;this._kb_observable.trigger=this.trigger;this.sortedIndex(this.options.sorted_index,this.options.sort_attribute,{silent:true,defer:b});return kb.wrappedObservable(this)}a.prototype.destroy=function(){var e,g,d,c,b,f,h;this._clearViewModels();this._kb_collection.unbind("reset",this._onCollectionReset);if(!this.options.sorted_index){this._kb_collection.unbind("resort",this._onCollectionResort)}f=["new","add"];for(g=0,c=f.length;g<c;g++){e=f[g];this._kb_collection.unbind(e,this._onModelAdd)}h=["remove","destroy"];for(d=0,b=h.length;d<b;d++){e=h[d];this._kb_collection.unbind(e,this._onModelRemove)}this._kb_collection.unbind("change",this._onModelChanged);if(this._kb_collection.release){this._kb_collection.release()}this._kb_collection=null;this._kb_value_observable=null;this._kb_observable.dispose();this._kb_observable=null;return this.options=null};a.prototype.collection=function(){this._kb_value_observable();return this._kb_collection};a.prototype.sortedIndex=function(e,b,c){var d;if(c==null){c={}}if(e){this.options.sorted_index=e;this.options.sort_attribute=b}else{if(b){this.options.sort_attribute=b;this.options.sorted_index=this._sortAttributeFn(b)}else{this.options.sort_attribute=null;this.options.sorted_index=null}}d=__bind(function(){if((this._kb_collection.models.length===0)&&(this._kb_value_observable().length===0)){return}this._collectionResync(true);if(!c.silent){return this.trigger("resort",this.vm_observable_array())}},this);if(c.defer){_.defer(d)}else{d()}return this};a.prototype.sortAttribute=function(c,d,b){return this.sortedIndex(d,c,b)};a.prototype._sortAttributeFn=function(b){return function(d,c){return _.sortedIndex(d,c,function(e){return e.get(b)})}};a.prototype.viewModelByModel=function(c){var b;if(!this.vm_observable_array){throw new Error("CollectionObservable: cannot get a view model if vm_observable_array was not supplied")}b=c.hasOwnProperty(c.idAttribute)?c.idAttribute:"cid";return _.find(this.vm_observable_array(),function(d){return d.__kb_model[b]===c[b]})};a.prototype.eachViewModel=function(e){var d,g,c,f,b;f=this.vm_observable_array();b=[];for(g=0,c=f.length;g<c;g++){d=f[g];b.push(e(d))}return b};a.prototype._onGetValue=function(){return this._kb_value_observable()};a.prototype._onCollectionReset=function(){return this._collectionResync()};a.prototype._onCollectionResort=function(b){if(this.options.sorted_index){throw new Error("CollectionObservable: collection sorted_index unexpected")}if(_.isArray(b)){this._collectionResync(true);return this.trigger("resort",this.vm_observable_array())}else{return this._onModelResort(b)}};a.prototype._onModelAdd=function(d){var b,e,c;if(this.options.sorted_index){e=_.pluck(this.vm_observable_array(),"__kb_model");b=this.options.sorted_index(e,d)}else{b=this._kb_collection.indexOf(d)}if(this.vm_observable_array){c=this._viewModelCreate(d);this.vm_observable_array.splice(b,0,c)}this._kb_value_observable.splice(b,0,d);if(this.vm_observable_array){return this.trigger("add",c,this.vm_observable_array())}};a.prototype._onModelRemove=function(c){var b;this._kb_value_observable.remove(c);if(this.vm_observable_array){b=this.viewModelByModel(c);if(!b){return}this.vm_observable_array.remove(b);this.trigger("remove",b,this.vm_observable_array());kb.vmRelease(b);return b.__kb_model=null}};a.prototype._onModelChanged=function(b){if(this.options.sorted_index&&(!this.options.sort_attribute||b.hasChanged(this.options.sort_attribute))){this._onModelResort(b)}return this._kb_value_observable.valueHasMutated()};a.prototype._onModelResort=function(d){var b,f,e,c;f=this._kb_value_observable.indexOf(d);if(this.options.sorted_index){e=_.clone(this._kb_value_observable());e.splice(f,1);b=this.options.sorted_index(e,d)}else{b=this._kb_collection.indexOf(d)}if(f===b){return}if(this.vm_observable_array){c=this.viewModelByModel(d);this.vm_observable_array.splice(f,1);this.vm_observable_array.splice(b,0,c)}this._kb_value_observable.splice(f,1);this._kb_value_observable.splice(b,0,d);if(this.vm_observable_array){return this.trigger("resort",c,this.vm_observable_array(),b)}};a.prototype._clearViewModels=function(e){var d,f,g,c,b;if(this.vm_observable_array){if(!e){this.trigger("remove",this.vm_observable_array())}f=this.vm_observable_array.removeAll();b=[];for(g=0,c=f.length;g<c;g++){d=f[g];b.push(kb.vmRelease(d))}return b}};a.prototype._collectionResync=function(j){var b,i,d,e,g,f,k,c,h;this._clearViewModels(j);this._kb_value_observable.removeAll();if(this.options.sorted_index){d=[];h=this._kb_collection.models;for(g=0,k=h.length;g<k;g++){i=h[g];b=this.options.sorted_index(d,i);d.splice(b,0,i)}}else{d=_.clone(this._kb_collection.models)}if(this.vm_observable_array){e=[];for(f=0,c=d.length;f<c;f++){i=d[f];e.push(this._viewModelCreate(i))}this.vm_observable_array(e)}this._kb_value_observable(d);if(this.vm_observable_array){if(!j){return this.trigger("add",this.vm_observable_array())}}};a.prototype._viewModelCreate=function(c){var b;if(this.options.view_model_create){b=this.options.view_model_create(c)}else{if(this.options.view_model_constructor){b=new this.options.view_model_constructor(c)}else{b=kb.viewModel(c)}}b.__kb_model=c;return b};return a})();__extends(Knockback.CollectionObservable.prototype,Backbone.Events);Knockback.collectionObservable=function(b,c,a){return new Knockback.CollectionObservable(b,c,a)};Knockback.viewModelGetModel=Knockback.vmModel=function(a){if(a){return a.__kb_model}else{return null}};Knockback.sortedIndexWrapAttr=Knockback.siwa=function(a,b){return function(d,c){return _.sortedIndex(d,c,function(e){return new b(e.get(a))})}};var __bind=function(a,b){return function(){return a.apply(b,arguments)}};if(!this.Knockback){throw new Error("Knockback: Dependency alert! knockback_core.js must be included before this file")}Knockback.DefaultWrapper=(function(){function a(c,b){this.default_value=b;_.bindAll(this,"destroy","setToDefault");this._kb_observable=ko.dependentObservable({read:__bind(function(){var d;d=ko.utils.unwrapObservable(c());if(!d){return ko.utils.unwrapObservable(this.default_value)}else{return d}},this),write:function(d){return c(d)},owner:{}});this._kb_observable.destroy=this.destroy;this._kb_observable.setToDefault=this.setToDefault;return kb.wrappedObservable(this)}a.prototype.destroy=function(){this._kb_observable=null;return this.default_value=null};a.prototype.setToDefault=function(){return this._kb_observable(this.default_value)};return a})();Knockback.defaultWrapper=function(b,a){return new Knockback.DefaultWrapper(b,a)};if(!this.Knockback){throw new Error("Knockback: Dependency alert! knockback_core.js must be included before this file")}Knockback.toFormattedString=function(g){var b,e,d,c,a,f;a=g.slice();e=Array.prototype.slice.call(arguments,1);for(d in e){b=e[d];f=ko.utils.unwrapObservable(b);if(!f){f=""}c=g.indexOf("{"+d+"}");while(c>=0){a=a.replace("{"+d+"}",f);c=g.indexOf("{"+d+"}",c+1)}}return a};Knockback.parseFormattedString=function(h,m){var i,a,j,k,g,p,o,f,l,b,e,n,d,c;b=m.slice();j=0;p=0;f={};while(b.search("\\{"+j+"\\}")>=0){o=m.indexOf("{"+j+"}");while(o>=0){b=b.replace("{"+j+"}","(.*)");f[o]=j;p++;o=m.indexOf("{"+j+"}",o+1)}j++}i=j;l=new RegExp(b);g=l.exec(h);if(g){g.shift()}if(!g||(g.length!==p)){return _.map((function(){c=[];for(var q=1;1<=i?q<=i:q>=i;1<=i?q++:q--){c.push(q)}return c}).apply(this),function(){return""})}n=_.sortBy(_.keys(f),function(q,r){return parseInt(q,10)});a={};for(k in n){o=n[k];j=f[o];if(a.hasOwnProperty(j)){continue}a[j]=k}e=[];j=0;while(j<i){e.push(g[a[j]]);j++}return e};Knockback.formattedObservable=function(d,c){var b,a;b=Array.prototype.slice.call(arguments,1);a=ko.dependentObservable({read:function(){var e,g,f;c=[ko.utils.unwrapObservable(d)];for(g=0,f=b.length;g<f;g++){e=b[g];c.push(ko.utils.unwrapObservable(e))}return kb.toFormattedString.apply(null,c)},write:function(h){var f,g,i,e;g=kb.parseFormattedString(h,ko.utils.unwrapObservable(d));i=Math.min(b.length,g.length);f=0;e=[];while(f<i){b[f](g[f]);e.push(f++)}return e},owner:{}});return a};if(!this.Knockback){throw new Error("Knockback: Dependency alert! knockback_core.js must be included before this file")}Knockback.LocalizedObservable=(function(){function a(d,c,b){this.value=d;this.options=c!=null?c:{};this.view_model=b;if(!(this.options.read||this.read)){throw new Error("LocalizedObservable: options.read is missing")}if(this.options.read&&this.read){throw new Error("LocalizedObservable: options.read and read class function exist. You need to choose one.")}if(this.options.write&&this.write){throw new Error("LocalizedObservable: options.write and write class function exist. You need to choose one.")}if(!kb.locale_manager){throw new Error("LocalizedObservable: Knockback.locale_manager is not defined")}_.bindAll(this,"destroy","setToDefault","resetToCurrent","observedValue","_onGetValue","_onSetValue","_onLocaleChange");this._kb_read=this.options.read?this.options.read:this.read;this._kb_write=this.options.write?this.options.write:this.write;this._kb_default=this.options["default"]?this.options["default"]:this["default"];if(this.value){d=ko.utils.unwrapObservable(this.value)}this._kb_value_observable=ko.observable(!d?this._getDefaultValue():this._kb_read.call(this,d,null));if(this._kb_write){if(!this.view_model){this.view_model={}}if(!_.isFunction(this._kb_write)){throw new Error("LocalizedObservable: options.write is not a function for read_write model attribute")}this._kb_observable=ko.dependentObservable({read:this._onGetValue,write:this._onSetValue,owner:this.view_model})}else{this._kb_observable=ko.dependentObservable(this._onGetValue)}this._kb_observable.destroy=this.destroy;this._kb_observable.observedValue=this.observedValue;this._kb_observable.setToDefault=this.setToDefault;this._kb_observable.resetToCurrent=this.resetToCurrent;kb.locale_manager.bind("change",this._onLocaleChange);return kb.wrappedObservable(this)}a.prototype.destroy=function(){kb.locale_manager.unbind("change",this._onLocaleChange);this._kb_value_observable=null;this._kb_observable.dispose();this._kb_observable=null;this.options={};return this.view_model=null};a.prototype.setToDefault=function(){var c,b;if(!this._kb_default){return}b=this._getDefaultValue();c=this._kb_value_observable();if(c!==b){return this._onSetValue(b)}else{return this._kb_value_observable.valueHasMutated()}};a.prototype.resetToCurrent=function(){this._kb_value_observable(null);return this._onSetValue(this._getCurrentValue())};a.prototype.observedValue=function(b){if(arguments.length===0){return this.value}this.value=b;this._onLocaleChange();return this};a.prototype._getDefaultValue=function(){if(!this._kb_default){return""}if(_.isFunction(this._kb_default)){return this._kb_default()}else{return this._kb_default}};a.prototype._getCurrentValue=function(){if(!(this.value&&this._kb_observable)){return this._getDefaultValue()}return this._kb_read.call(this,ko.utils.unwrapObservable(this.value),this._kb_observable)};a.prototype._onGetValue=function(){if(this.value){ko.utils.unwrapObservable(this.value)}return this._kb_value_observable()};a.prototype._onSetValue=function(b){this._kb_write.call(this,b,ko.utils.unwrapObservable(this.value),this._kb_observable);b=this._kb_read.call(this,ko.utils.unwrapObservable(this.value),this._kb_observable);this._kb_value_observable(b);if(this.options.onChange){return this.options.onChange(b)}};a.prototype._onLocaleChange=function(){var b;b=this._kb_read.call(this,ko.utils.unwrapObservable(this.value),this._kb_observable);this._kb_value_observable(b);if(this.options.onChange){return this.options.onChange(b)}};return a})();Knockback.localizedObservable=function(c,b,a){return new Knockback.LocalizedObservable(c,b,a)};if(!this.Knockback){throw new Error("Knockback: Dependency alert! knockback_core.js must be included before this file")}Knockback.Observable=(function(){function a(d,c,b){this.model=d;this.options=c;this.view_model=b;if(!this.model){throw new Error("Observable: model is missing")}if(!this.options){throw new Error("Observable: options is missing")}if(_.isString(this.options)||ko.isObservable(this.options)){this.options={key:this.options}}if(!this.options.key){throw new Error("Observable: options.key is missing")}_.bindAll(this,"destroy","setToDefault","_onGetValue","_onSetValue","_onModelChange","_onModelLoaded","_onModelUnloaded");if(Backbone.ModelRef&&(this.model instanceof Backbone.ModelRef)){this.model_ref=this.model;this.model_ref.retain();this.model_ref.bind("loaded",this._onModelLoaded);this.model_ref.bind("unloaded",this._onModelUnloaded);this.model=this.model_ref.getModel()}this._kb_value_observable=ko.observable();if(this.options.localizer){this._kb_localizer=new this.options.localizer(this._getCurrentValue())}if(this.options.write){if(!this.view_model){this.view_model={}}this._kb_observable=ko.dependentObservable({read:this._onGetValue,write:this._onSetValue,owner:this.view_model})}else{this._kb_observable=ko.dependentObservable(this._onGetValue)}this._kb_observable.destroy=this.destroy;this._kb_observable.setToDefault=this.setToDefault;if(!this.model_ref||this.model_ref.isLoaded()){this.model.bind("change",this._onModelChange)}return kb.wrappedObservable(this)}a.prototype.destroy=function(){this._kb_value_observable=null;this._kb_observable.dispose();this._kb_observable=null;if(this.model){this._onModelUnloaded(this.model)}if(this.model_ref){this.model_ref.unbind("loaded",this._onModelLoaded);this.model_ref.unbind("unloaded",this._onModelUnloaded);this.model_ref.release();this.model_ref=null}this.options=null;return this.view_model=null};a.prototype.setToDefault=function(){var b;b=this._getDefaultValue();if(this._kb_localizer){this._kb_localizer.observedValue(b);b=this._kb_localizer()}return this._kb_value_observable(b)};a.prototype._getDefaultValue=function(){if(!this.options.hasOwnProperty("default")){return""}if(_.isFunction(this.options["default"])){return this.options["default"]()}else{return this.options["default"]}};a.prototype._getCurrentValue=function(){var b,d,e,g,c,f;if(!this.model){return this._getDefaultValue()}e=ko.utils.unwrapObservable(this.options.key);d=[e];if(!_.isUndefined(this.options.args)){if(_.isArray(this.options.args)){f=this.options.args;for(g=0,c=f.length;g<c;g++){b=f[g];d.push(ko.utils.unwrapObservable(b))}}else{d.push(ko.utils.unwrapObservable(this.options.args))}}if(this.options.read){return this.options.read.apply(this.view_model,d)}else{return this.model.get.apply(this.model,d)}};a.prototype._onGetValue=function(){var b,f,e,c,d;this._kb_value_observable();ko.utils.unwrapObservable(this.options.key);if(!_.isUndefined(this.options.args)){if(_.isArray(this.options.args)){d=this.options.args;for(e=0,c=d.length;e<c;e++){b=d[e];ko.utils.unwrapObservable(b)}}else{ko.utils.unwrapObservable(this.options.args)}}f=this._getCurrentValue();if(this._kb_localizer){this._kb_localizer.observedValue(f);f=this._kb_localizer()}return f};a.prototype._onSetValue=function(h){var b,e,d,g,c,f;if(this._kb_localizer){this._kb_localizer(h);h=this._kb_localizer.observedValue()}if(this.model){d={};d[ko.utils.unwrapObservable(this.options.key)]=h;e=_.isFunction(this.options.write)?[h]:[d];if(!_.isUndefined(this.options.args)){if(_.isArray(this.options.args)){f=this.options.args;for(g=0,c=f.length;g<c;g++){b=f[g];e.push(ko.utils.unwrapObservable(b))}}else{e.push(ko.utils.unwrapObservable(this.options.args))}}if(_.isFunction(this.options.write)){this.options.write.apply(this.view_model,e)}else{this.model.set.apply(this.model,e)}}if(this._kb_localizer){return this._kb_value_observable(this._kb_localizer())}else{return this._kb_value_observable(h)}};a.prototype._onModelLoaded=function(b){this.model=b;this.model.bind("change",this._onModelChange);return this._updateValue()};a.prototype._onModelUnloaded=function(b){if(this._kb_localizer&&this._kb_localizer.destroy){this._kb_localizer.destroy();this._kb_localizer=null}this.model.unbind("change",this._onModelChange);return this.model=null};a.prototype._onModelChange=function(){if((this.model&&this.model.hasChanged)&&!this.model.hasChanged(ko.utils.unwrapObservable(this.options.key))){return}return this._updateValue()};a.prototype._updateValue=function(){var b;b=this._getCurrentValue();if(this._kb_localizer){this._kb_localizer.observedValue(b);b=this._kb_localizer()}return this._kb_value_observable(b)};return a})();Knockback.observable=function(c,b,a){return new Knockback.Observable(c,b,a)};if(!this.Knockback){throw new Error("Knockback: Dependency alert! knockback_core.js must be included before this file")}Knockback.Observables=(function(){function a(e,f,k,d){var g,h,i,j,c,b;this.model=e;this.mappings_info=f;this.view_model=k;if(!this.model){throw new Error("Observables: model is missing")}if(!this.mappings_info){throw new Error("Observables: mappings_info is missing")}if(!!d&&((_.isBoolean(d)&&d)||!!d.write)){j=_.isBoolean(d)?d:!!d.write;c=this.mappings_info;for(i in c){h=c[i];g=_.isString(h);if(g||!h.hasOwnProperty(j)){h=g?{key:h,write:j}:_.extend({write:j},h)}this.view_model[i]=kb.observable(this.model,h,this.view_model)}}else{b=this.mappings_info;for(i in b){h=b[i];this.view_model[i]=kb.observable(this.model,h,this.view_model)}}}a.prototype.destroy=function(){var b,d,c;c=this.mappings_info;for(d in c){b=c[d];if(this.view_model[d]){this.view_model[d].destroy()}this.view_model[d]=null}this.view_model=null;this.mappings_info=null;return this.model=null};a.prototype.setToDefault=function(){var c,e,d,b;d=this.mappings_info;b=[];for(e in d){c=d[e];b.push(this.view_model[e].setToDefault())}return b};return a})();Knockback.observables=function(c,d,a,b){return new Knockback.Observables(c,d,a,b)};if(!this.Knockback){throw new Error("Knockback: Dependency alert! knockback_core.js must be included before this file")}Knockback.TriggeredObservable=(function(){function a(b,c){this.model=b;this.event_name=c;if(!this.model){throw new Error("Observable: model is missing")}if(!this.event_name){throw new Error("Observable: event_name is missing")}_.bindAll(this,"destroy","_onGetValue","_onValueChange","_onModelLoaded","_onModelUnloaded");if(Backbone.ModelRef&&(this.model instanceof Backbone.ModelRef)){this.model_ref=this.model;this.model_ref.retain();this.model_ref.bind("loaded",this._onModelLoaded);this.model_ref.bind("unloaded",this._onModelUnloaded);this.model=this.model_ref.getModel()}this._kb_value_observable=ko.observable();this._kb_observable=ko.dependentObservable(this._onGetValue);this._kb_observable.destroy=this.destroy;if(!this.model_ref||this.model_ref.isLoaded()){this._onModelLoaded(this.model)}return kb.wrappedObservable(this)}a.prototype.destroy=function(){this._kb_observable.dispose();this._kb_observable=null;this._kb_value_observable=null;if(this.model){this._onModelUnloaded(this.model)}if(this.model_ref){this.model_ref.unbind("loaded",this._onModelLoaded);this.model_ref.unbind("unloaded",this._onModelUnloaded);this.model_ref.release();this.model_ref=null}this.options=null;return this.view_model=null};a.prototype._onGetValue=function(){return this._kb_value_observable()};a.prototype._onModelLoaded=function(b){this.model=b;this.model.bind(this.event_name,this._onValueChange);return this._onValueChange()};a.prototype._onModelUnloaded=function(){if(this._kb_localizer&&this._kb_localizer.destroy){this._kb_localizer.destroy();this._kb_localizer=null}this.model.unbind(this.event_name,this._onValueChange);return this.model=null};a.prototype._onValueChange=function(){var b;b=this._kb_value_observable();if(b!==this.model){return this._kb_value_observable(this.model)}else{return this._kb_value_observable.valueHasMutated()}};return a})();Knockback.triggeredObservable=function(a,b){return new Knockback.TriggeredObservable(a,b)};var AttributeConnector;var __bind=function(a,b){return function(){return a.apply(b,arguments)}},__hasProp=Object.prototype.hasOwnProperty,__extends=function(d,b){for(var a in b){if(__hasProp.call(b,a)){d[a]=b[a]}}function c(){this.constructor=d}c.prototype=b.prototype;d.prototype=new c;d.__super__=b.prototype;return d};if(!this.Knockback){throw new Error("Knockback: Dependency alert! knockback_core.js must be included before this file")}AttributeConnector=(function(){function a(b,c,d){this.key=c;this.read_only=d;_.bindAll(this,"destroy","update");this._kb_observable=ko.observable();this._kb_observable.subscription=this._kb_observable.subscribe(__bind(function(f){var e;if(this.read_only){if(this.model){f=this.model.get(this.key);if(this._kb_observable()===f){return}this._kb_observable(f)}throw"Cannot write a value to a dependentObservable unless you specify a 'write' option. If you wish to read the current value, don't pass any parameters."}else{if(this.model){e={};e[this.key]=f;return this.model.set(e)}}},this));this._kb_observable.destroy=this.destroy;this._kb_observable.update=this.update;this.update(b);return kb.wrappedObservable(this)}a.prototype.destroy=function(){this.model=null;return this._kb_observable=null};a.prototype.update=function(b){var c,d;if(b){d=b.get(this.key);c=(this.model!==b)||!_.isEqual(this._kb_observable(),d);this.model=b;if(c){return this._kb_observable(d)}}else{return this.model=null}};return a})();Knockback.ViewModel_RCBase=(function(){function a(){this._kb_vm={};this._kb_vm.ref_count=1}a.extend=Backbone.Model.extend;a.prototype.__destroy=function(){return kb.vmReleaseObservables(this)};a.prototype.retain=function(){if(this._kb_vm.ref_count<=0){throw new Error("ViewModel: ref_count is corrupt: "+this._kb_vm.ref_count)}this._kb_vm.ref_count++;return this};a.prototype.release=function(){if(this._kb_vm.ref_count<=0){throw new Error("ViewModel: ref_count is corrupt: "+this._kb_vm.ref_count)}this._kb_vm.ref_count--;if(!this._kb_vm.ref_count){this.__destroy()}return this};a.prototype.refCount=function(){return this._kb_vm.ref_count};return a})();Knockback.ViewModel=(function(){__extends(a,kb.ViewModel_RCBase);function a(e,d,c){var g,f,h,b;if(d==null){d={}}a.__super__.constructor.apply(this,arguments);this._kb_vm.model=e;this._kb_vm.options=d;this._kb_vm.view_model=c;if(!this._kb_vm.model){throw new Error("ViewModel: model is missing")}_.bindAll(this,"_kb_vm_onModelChange","_kb_vm_onModelLoaded","_kb_vm_onModelUnloaded");if(!this._kb_vm.view_model){this._kb_vm.view_model=this}else{this._kb_vm.observables=[]}if(Backbone.ModelRef&&(this._kb_vm.model instanceof Backbone.ModelRef)){this._kb_vm.model_ref=this._kb_vm.model;this._kb_vm.model_ref.retain();this._kb_vm.model_ref.bind("loaded",this._kb_vm_onModelLoaded);this._kb_vm.model_ref.bind("unloaded",this._kb_vm_onModelUnloaded);this._kb_vm.model=this._kb_vm.model_ref.getModel()}if(!this._kb_vm.model_ref||this._kb_vm.model_ref.isLoaded()){this._kb_vm_onModelLoaded(this._kb_vm.model)}if(!this._kb_vm.options.internals&&!this._kb_vm.options.requires){return this}f=_.union((this._kb_vm.options.internals?this._kb_vm.options.internals:[]),(this._kb_vm.options.requires?this._kb_vm.options.requires:[]));if(!this._kb_vm.model_ref||this._kb_vm.model_ref.isLoaded()){f=_.difference(f,_.keys(this._kb_vm.model.attributes))}for(h=0,b=f.length;h<b;h++){g=f[h];this._updateAttributeObservor(this._kb_vm.model,g)}}a.prototype.__destroy=function(){var b;if(this._kb_vm.model){this._kb_vm.model.unbind("change",this._kb_vm_onModelChange);this._kb_vm.model=null}b=this._kb_vm.view_model;this._kb_vm.view_model=null;kb.vmReleaseObservables(b,this._kb_vm.observables);if(this._kb_vm.observables){return this._kb_vm.observables=null}};a.prototype._kb_vm_onModelLoaded=function(c){var d,b;this._kb_vm.model=c;this._kb_vm.model.bind("change",this._kb_vm_onModelChange);b=[];for(d in this._kb_vm.model.attributes){b.push(this._updateAttributeObservor(this._kb_vm.model,d))}return b};a.prototype._kb_vm_onModelUnloaded=function(c){var d,b;this._kb_vm.model.unbind("change",this._kb_vm_onModelChange);c=this._kb_vm.model;this._kb_vm.model=null;b=[];for(d in c.attributes){b.push(this._updateAttributeObservor(this._kb_vm.model,d))}return b};a.prototype._kb_vm_onModelChange=function(){var d,b,c;if(this._kb_vm.model._changed){b=[];for(d in this._kb_vm.model.attributes){b.push((this._kb_vm.model.hasChanged(d)?this._updateAttributeObservor(this._kb_vm.model,d):void 0))}return b}else{if(this._kb_vm.model.changed){c=[];for(d in this._kb_vm.model.changed){c.push(this._updateAttributeObservor(this._kb_vm.model,d))}return c}}};a.prototype._updateAttributeObservor=function(b,d){var c;c=this._kb_vm.options.internals&&_.contains(this._kb_vm.options.internals,d)?"_"+d:d;if(this._kb_vm.view_model.hasOwnProperty(c)){if(this._kb_vm.view_model[c]){return this._kb_vm.view_model[c].update(b)}}else{if(this._kb_vm.observables){this._kb_vm.observables.push(c)}return this._kb_vm.view_model[c]=new AttributeConnector(b,d,this._kb_vm.options.read_only)}};return a})();Knockback.viewModel=function(c,b,a){return new Knockback.ViewModel(c,b,a)};
\ No newline at end of file
+var Backbone,Knockback,kb,ko,_;if(typeof exports!=="undefined"){Knockback=kb=exports}else{this.Knockback=this.kb={}}Knockback.VERSION="0.15.1";_=!this._&&(typeof require!=="undefined")?require("underscore"):this._;Backbone=!this.Backbone&&(typeof require!=="undefined")?require("backbone"):this.Backbone;ko=!this.ko&&(typeof require!=="undefined")?require("knockout"):this.ko;Knockback.locale_manager;Knockback.stats={collection_observables:0,view_models:0};Knockback.stats_on=false;Knockback.utils={};Knockback.utils.legacyWarning=function(a,d,c){var b;kb._legacy_warnings||(kb._legacy_warnings={});(b=kb._legacy_warnings)[a]||(b[a]=0);kb._legacy_warnings[a]++;return console.warn("Legacy warning! '"+a+"' has been deprecated (will be removed in Knockback "+d+"). "+c+".")};Knockback.utils.wrappedObservable=function(a,b){if(arguments.length===1){if(!(a&&a.__kb&&a.__kb.observable)){throw new Error("Knockback: instance is not wrapping an observable")}return a.__kb.observable}if(!a){throw new Error("Knockback: no instance for wrapping a observable")}a.__kb||(a.__kb={});if(a.__kb.observable&&a.__kb.observable.__kb){a.__kb.observable.__kb.instance=null}a.__kb.observable=b;if(b){b.__kb||(b.__kb={});b.__kb.instance=a}return b};Knockback.wrappedObservable=function(a){kb.utils.legacyWarning("kb.wrappedObservable","0.16.0","Please use kb.utils.wrappedObservable instead");return kb.utils.wrappedObservable(a)};Knockback.utils.observableInstanceOf=function(b,a){if(!b){return false}if(!(b.__kb&&b.__kb.instance)){return false}return b.__kb.instance instanceof a};Knockback.utils.wrappedModel=function(a,b){if(arguments.length===1){if(a&&a.__kb&&a.__kb.hasOwnProperty("model")){return a.__kb.model}else{return a}}if(!a){throw new Error("Knockback: no view_model for wrapping a model")}a.__kb||(a.__kb={});a.__kb.model=b;return b};Knockback.viewModelGetModel=Knockback.vmModel=function(a){kb.utils.legacyWarning("kb.vmModel","0.16.0","Please use kb.utils.wrappedModel instead");return kb.utils.wrappedModel(a)};Knockback.utils.setToDefault=function(d){var b,c,a;if(!d){return}if(ko.isObservable(d)){return typeof d.setToDefault==="function"?d.setToDefault():void 0}else{if(_.isObject(d)){a=[];for(b in d){c=d[b];a.push(c&&(b!=="__kb")?kb.utils.setToDefault(c):void 0)}return a}}};Knockback.vmSetToDefault=function(a){kb.utils.legacyWarning("kb.vmSetToDefault","0.16.0","Please use kb.utils.release instead");return kb.utils.setToDefault(a)};Knockback.utils.release=function(c){var a,b;if(!c){return false}if(ko.isObservable(c)||(c instanceof kb.Observables)||(typeof c.release==="function")||(typeof c.destroy==="function")){if(c.release){c.release()}else{if(c.destroy){c.destroy()}else{if(c.dispose){c.dispose()}}}return true}else{if(_.isObject(c)&&!(typeof c==="function")){for(a in c){b=c[a];if(!b||(a==="__kb")){continue}if(kb.utils.release(b)){c[a]=null}}return true}}return false};Knockback.vmRelease=function(a){kb.utils.legacyWarning("kb.vmRelease","0.16.0","Please use kb.utils.release instead");return kb.utils.release(a)};Knockback.vmReleaseObservable=function(a){kb.utils.legacyWarning("kb.vmReleaseObservable","0.16.0","Please use kb.utils.release instead");return kb.utils.release(a)};kb.utils.optionsCreateClear=function(a){delete a.create;delete a.children;delete a.view_model;return delete a.view_model_create};kb.utils.optionsCreateOverride=function(a,b){kb.utils.optionsCreateClear(a);return _.extend(a,b)};Knockback.RefCountable=(function(){a.name="RefCountable";a.extend=Backbone.Model.extend;function a(){this.__kb||(this.__kb={});this.__kb.ref_count=1}a.prototype.__destroy=function(){};a.prototype.retain=function(){if(this.__kb.ref_count<=0){throw new Error("RefCountable: ref_count is corrupt: "+this.__kb.ref_count)}this.__kb.ref_count++;return this};a.prototype.release=function(){if(this.__kb.ref_count<=0){throw new Error("RefCountable: ref_count is corrupt: "+this.__kb.ref_count)}this.__kb.ref_count--;if(!this.__kb.ref_count){this.__destroy()}return this};a.prototype.refCount=function(){return this.__kb.ref_count};return a})();Knockback.Store=(function(){a.name="Store";function a(){this.keys=[];this.values=[]}a.prototype.destroy=function(){var c,e,d,b;this.keys=null;d=this.values;for(c in d){e=d[c];if(!kb.utils.observableInstanceOf(e,kb.CollectionObservable)){continue}this.values[c]=null;while(e.refCount()>0){e.release()}}b=this.values;for(c in b){e=b[c];if(!e){continue}this.values[c]=null;if(e instanceof kb.RefCountable){while(e.refCount()>0){e.release()}}else{kb.utils.release(e)}}return this.values=null};a.prototype.registerValue=function(c,d){var b;if(d instanceof kb.RefCountable){d.retain()}b=_.indexOf(this.keys,c);if(b>=0){this.values[b]=d}else{this.keys.push(c);this.values.push(d)}return d};a.prototype.resolveValue=function(d,f,c){var b,e;b=_.indexOf(this.keys,d);if(b>=0){if(this.values[b]){if((this.values[b] instanceof kb.RefCountable)&&(this.values[b].refCount()<=0)){this.values[b]=null}else{if(this.values[b] instanceof kb.RefCountable){return this.values[b].retain()}else{return this.values[b]}}}}else{b=this.keys.length;this.keys.push(d);this.values.push(void 0)}e=f.apply(null,Array.prototype.slice.call(arguments,2));if(this.keys[b]!==d){this.registerValue(d,e)}else{if(!this.values[b]){if(e instanceof kb.RefCountable){e.retain()}this.values[b]=e}}return e};a.prototype.releaseValue=function(c){var b;if(!(c instanceof kb.RefCountable)){return}c.release();if(c.refCount()>0){return}b=_.indexOf(this.values,c);if(!(b>=0)){return}return this.values[b]=0};a.prototype.addResolverToOptions=function(b,c){return _.extend(b,{store:this,store_key:c})};a.resolveFromOptions=function(b,c){if(!(b.store&&b.store_key)){return}return b.store.registerValue(b.store_key,c)};return a})();var __hasProp={}.hasOwnProperty,__extends=function(d,b){for(var a in b){if(__hasProp.call(b,a)){d[a]=b[a]}}function c(){this.constructor=d}c.prototype=b.prototype;d.prototype=new c;d.__super__=b.prototype;return d};Knockback.CollectionObservable=(function(b){__extends(a,b);a.name="CollectionObservable";function a(f,c){var e,d,g=this;if(c==null){c={}}if(!f){throw new Error("CollectionObservable: collection is missing")}a.__super__.constructor.apply(this,arguments);if(Knockback.stats_on){kb.stats.collection_observables++}if(ko.isObservable(c)&&c.hasOwnProperty("indexOf")){kb.utils.legacyWarning("kb.collectionObservable with an external ko.observableArray","0.16.0","Please use the kb.collectionObservable directly instead of passing a ko.observableArray");d=kb.utils.wrappedObservable(this,c);c=arguments[2]||{};e=true}else{d=kb.utils.wrappedObservable(this,ko.observableArray([]))}if(!c.store_skip_resolve){kb.Store.resolveFromOptions(c,kb.utils.wrappedObservable(this))}if(c.store){this.__kb.store=c.store}else{this.__kb.store=new kb.Store();this.__kb.store_is_owned=true}if(c.hasOwnProperty("view_model")){if(!c.view_model){throw new Error("Knockback.CollectionObservable: options.view_model is empty")}this.view_model_create_fn=c.view_model;this.view_model_create_with_new=true}else{if(c.hasOwnProperty("view_model_constructor")){if(!c.view_model_constructor){throw new Error("Knockback.CollectionObservable: options.view_model_constructor is empty")}kb.utils.legacyWarning("kb.collectionObservable option view_model_constructor","0.16.0","Please use view_model option instead");this.view_model_create_fn=c.view_model_constructor;this.view_model_create_with_new=true}else{if(c.hasOwnProperty("view_model_create")){if(!c.view_model_create){throw new Error("Knockback.CollectionObservable: options.view_model_create is empty")}this.view_model_create_fn=c.view_model_create}else{if(c.hasOwnProperty("create")){if(!c.create){throw new Error("Knockback.CollectionObservable: options.create is empty")}this.view_model_create_fn=c.create}}}}this.sort_attribute=c.sort_attribute;this.sorted_index=c.sorted_index;this.__kb._onCollectionReset=_.bind(this._onCollectionReset,this);this.__kb._onCollectionResort=_.bind(this._onCollectionResort,this);this.__kb._onModelAdd=_.bind(this._onModelAdd,this);this.__kb._onModelRemove=_.bind(this._onModelRemove,this);this.__kb._onModelChange=_.bind(this._onModelChange,this);if(e&&f){f.bind("change",function(){return kb.utils.wrappedObservable(g).valueHasMutated()})}d.retain=_.bind(this.retain,this);d.refCount=_.bind(this.refCount,this);d.release=_.bind(this.release,this);d.collection=_.bind(this.collection,this);d.viewModelByModel=_.bind(this.viewModelByModel,this);d.sortedIndex=_.bind(this.sortedIndex,this);d.sortAttribute=_.bind(this.sortAttribute,this);d.hasViewModels=_.bind(this.hasViewModels,this);d.bind=_.bind(this.bind,this);d.unbind=_.bind(this.unbind,this);d.trigger=_.bind(this.trigger,this);this.collection(f,{silent:true,defer:c.defer});return d}a.prototype.__destroy=function(){this.collection(null);if(this.hasViewModels()&&this.__kb.store_is_owned){this.__kb.store.destroy();this.__kb.store=null}this.view_model_create_fn=null;this.__kb.collection=null;kb.utils.wrappedObservable(this,null);a.__super__.__destroy.apply(this,arguments);if(Knockback.stats_on){return kb.stats.collection_observables--}};a.prototype.retain=function(){a.__super__.retain.apply(this,arguments);return kb.utils.wrappedObservable(this)};a.prototype.release=function(){var c;c=kb.utils.wrappedObservable(this);a.__super__.release.apply(this,arguments);return c};a.prototype.collection=function(g,c){var f,d,e;f=kb.utils.wrappedObservable(this);if(arguments.length===0){f();return this.__kb.collection}if(g===this.__kb.collection){return}if(this.__kb.collection){this._clear();this._collectionUnbind(this.__kb.collection);if(typeof(d=this.__kb.collection).release==="function"){d.release()}this.__kb.collection=null}this.__kb.collection=g;if(this.__kb.collection){if(typeof(e=this.__kb.collection).retain==="function"){e.retain()}this._collectionBind(this.__kb.collection);return this.sortedIndex(this.sorted_index,this.sort_attribute,c)}};a.prototype.sortedIndex=function(g,c,d){var e,f=this;if(d==null){d={}}if(g){this.sorted_index=g;this.sort_attribute=c}else{if(c){this.sort_attribute=c;this.sorted_index=this._sortAttributeFn(c)}else{this.sort_attribute=null;this.sorted_index=null}}e=function(){var h;h=kb.utils.wrappedObservable(f);if((f.__kb.collection.models.length===0)&&(h().length===0)){return}f._collectionResync(true);if(!d.silent){return f.trigger("resort",h())}};if(d.defer){_.defer(e)}else{e()}return this};a.prototype.sortAttribute=function(d,e,c){return this.sortedIndex(e,d,c)};a.prototype.viewModelByModel=function(d){var c,e;if(!this.hasViewModels()){return null}e=kb.utils.wrappedObservable(this);c=d.hasOwnProperty(d.idAttribute)?d.idAttribute:"cid";return _.find(e(),function(f){return f.__kb.model[c]===d[c]})};a.prototype.hasViewModels=function(){return !!this.view_model_create_fn};a.prototype._collectionBind=function(j){var g,i,f,e,d,h,c;if(!j){return}j.bind("reset",this.__kb._onCollectionReset);if(!this.sorted_index){j.bind("resort",this.__kb._onCollectionResort)}h=["new","add"];for(i=0,e=h.length;i<e;i++){g=h[i];j.bind(g,this.__kb._onModelAdd)}c=["remove","destroy"];for(f=0,d=c.length;f<d;f++){g=c[f];j.bind(g,this.__kb._onModelRemove)}return j.bind("change",this.__kb._onModelChange)};a.prototype._collectionUnbind=function(j){var g,i,f,e,d,h,c;if(!j){return}j.unbind("reset",this.__kb._onCollectionReset);if(!this.sorted_index){j.unbind("resort",this.__kb._onCollectionResort)}h=["new","add"];for(i=0,e=h.length;i<e;i++){g=h[i];j.unbind(g,this.__kb._onModelAdd)}c=["remove","destroy"];for(f=0,d=c.length;f<d;f++){g=c[f];j.unbind(g,this.__kb._onModelRemove)}return j.unbind("change",this.__kb._onModelChange)};a.prototype._onCollectionReset=function(){return this._collectionResync()};a.prototype._onCollectionResort=function(d){var c;if(this.sorted_index){throw new Error("CollectionObservable: collection sorted_index unexpected")}if(_.isArray(d)){c=kb.utils.wrappedObservable(this);return this.trigger("resort",c())}else{return this._onModelResort(d)}};a.prototype._onModelAdd=function(d){var c,f,e;e=this.hasViewModels()?this._createTarget(d):d;f=kb.utils.wrappedObservable(this);if(this.sorted_index){c=this.sorted_index(f(),e)}else{c=this.__kb.collection.indexOf(d)}f.splice(c,0,e);return this.trigger("add",e,f())};a.prototype._onModelRemove=function(c){var e,d;d=this.hasViewModels()?this.viewModelByModel(c):c;if(!d){return}e=kb.utils.wrappedObservable(this);e.remove(d);this.trigger("remove",d,e);if(this.hasViewModels()){return this.__kb.store.releaseValue(d)}};a.prototype._onModelChange=function(c){if(this.sorted_index&&(!this.sort_attribute||c.hasChanged(this.sort_attribute))){return this._onModelResort(c)}};a.prototype._onModelResort=function(d){var c,g,f,h,e;g=kb.utils.wrappedObservable(this);e=this.hasViewModels()?this.viewModelByModel(d):d;f=g.indexOf(e);if(this.sorted_index){h=_.clone(g());h.splice(f,1);c=this.sorted_index(h,e)}else{c=this.__kb.collection.indexOf(d)}if(f===c){return}g.splice(f,1);g.splice(c,0,e);return this.trigger("resort",e,g(),c)};a.prototype._clear=function(f){var i,h,e,g,d,c;i=kb.utils.wrappedObservable(this);if(!f){this.trigger("remove",i())}e=i.removeAll();if(this.hasViewModels()){c=[];for(g=0,d=e.length;g<d;g++){h=e[g];c.push(this.__kb.store.releaseValue(h))}return c}};a.prototype._collectionResync=function(k){var d,g,c,j,i,e,l,f,h=this;this._clear(k);c=kb.utils.wrappedObservable(this);if(this.sorted_index){i=[];f=this.__kb.collection.models;for(e=0,l=f.length;e<l;e++){g=f[e];j=this._createTarget(g);d=this.sorted_index(i,j);i.splice(d,0,j)}}else{i=this.hasViewModels()?_.map(this.__kb.collection.models,function(m){return h._createTarget(m)}):_.clone(this.__kb.collection.models)}c(i);if(!k){return this.trigger("add",c())}};a.prototype._sortAttributeFn=function(c){if(this.hasViewModels()){return function(e,d){return _.sortedIndex(e,d,function(f){return kb.utils.wrappedModel(f).get(c)})}}else{return function(e,d){return _.sortedIndex(e,d,function(f){return f.get(c)})}}};a.prototype._createTarget=function(c){var e,d=this;e=function(){var h,g,f;g=d.__kb.store.addResolverToOptions({},c);h=kb.utils.wrappedObservable(d);f=d.view_model_create_with_new?new d.view_model_create_fn(c,g,h):d.view_model_create_fn(c,g,h);kb.utils.wrappedModel(f,c);return f};if(this.hasViewModels()){return this.__kb.store.resolveValue(c,e)}else{return c}};return a})(kb.RefCountable);__extends(Knockback.CollectionObservable.prototype,Backbone.Events);Knockback.collectionObservable=function(c,b,a){return new Knockback.CollectionObservable(c,b,a)};Knockback.sortedIndexWrapAttr=Knockback.siwa=function(a,b){return function(d,c){return _.sortedIndex(d,c,function(e){return new b(kb.utils.wrappedModel(e).get(a))})}};if(!this.Knockback){throw new Error("Knockback: Dependency alert! knockback_core.js must be included before this file")}Knockback.DefaultWrapper=(function(){a.name="DefaultWrapper";function a(b,e){var c,d=this;this.default_value_observable=e;this.__kb={};c=kb.utils.wrappedObservable(this,ko.dependentObservable({read:function(){var g,f;f=ko.utils.unwrapObservable(b());g=ko.utils.unwrapObservable(d.default_value_observable);if(!f){return g}else{return f}},write:function(f){return b(f)}}));c.destroy=_.bind(this.destroy,this);c.setToDefault=_.bind(this.setToDefault,this);return c}a.prototype.destroy=function(){kb.utils.wrappedObservable(this,null);return this.default_value=null};a.prototype.setToDefault=function(){var b;b=kb.utils.wrappedObservable(this);return b(this.default_value_observable)};return a})();Knockback.defaultWrapper=function(b,a){return new Knockback.DefaultWrapper(b,a)};Knockback.toFormattedString=function(g){var b,e,d,c,a,f;a=g.slice();e=Array.prototype.slice.call(arguments,1);for(d in e){b=e[d];f=ko.utils.unwrapObservable(b);if(!f){f=""}c=g.indexOf("{"+d+"}");while(c>=0){a=a.replace("{"+d+"}",f);c=g.indexOf("{"+d+"}",c+1)}}return a};Knockback.parseFormattedString=function(h,m){var i,a,j,k,g,p,o,f,l,b,e,n,d,c;b=m.slice();j=0;p=0;f={};while(b.search("\\{"+j+"\\}")>=0){o=m.indexOf("{"+j+"}");while(o>=0){b=b.replace("{"+j+"}","(.*)");f[o]=j;p++;o=m.indexOf("{"+j+"}",o+1)}j++}i=j;l=new RegExp(b);g=l.exec(h);if(g){g.shift()}if(!g||(g.length!==p)){return _.map((function(){c=[];for(var q=1;1<=i?q<=i:q>=i;1<=i?q++:q--){c.push(q)}return c}).apply(this),function(){return""})}n=_.sortBy(_.keys(f),function(q,r){return parseInt(q,10)});a={};for(k in n){o=n[k];j=f[o];if(a.hasOwnProperty(j)){continue}a[j]=k}e=[];j=0;while(j<i){e.push(g[a[j]]);j++}return e};Knockback.FormattedObservable=(function(){a.name="FormattedObservable";function a(e,c){var d,b;this.__kb={};if(_.isArray(c)){e=e;b=c}else{b=Array.prototype.slice.call(arguments,1)}d=kb.utils.wrappedObservable(this,ko.dependentObservable({read:function(){var f,h,g;c=[ko.utils.unwrapObservable(e)];for(h=0,g=b.length;h<g;h++){f=b[h];c.push(ko.utils.unwrapObservable(f))}return kb.toFormattedString.apply(null,c)},write:function(i){var g,h,j,f;h=kb.parseFormattedString(i,ko.utils.unwrapObservable(e));j=Math.min(b.length,h.length);g=0;f=[];while(g<j){b[g](h[g]);f.push(g++)}return f}}));return d}a.prototype.destroy=function(){return kb.utils.wrappedObservable(this,null)};return a})();Knockback.formattedObservable=function(b,a){return new Knockback.FormattedObservable(b,Array.prototype.slice.call(arguments,1))};Knockback.LocalizedObservable=(function(){a.name="LocalizedObservable";a.extend=Backbone.Model.extend;function a(d,c,b){var e;this.value=d;this.options=c!=null?c:{};this.view_model=b!=null?b:{};if(!(this.options.read||this.read)){throw new Error("LocalizedObservable: options.read is missing")}if(this.options.read&&this.read){throw new Error("LocalizedObservable: options.read and read class function exist. You need to choose one.")}if(this.options.write&&this.write){throw new Error("LocalizedObservable: options.write and write class function exist. You need to choose one.")}if(!kb.locale_manager){throw new Error("LocalizedObservable: Knockback.locale_manager is not defined")}this.__kb={};this.__kb._onLocaleChange=_.bind(this._onLocaleChange,this);if(this.value){d=ko.utils.unwrapObservable(this.value)}this.__kb.value_observable=ko.observable(!d?this._getDefaultValue():this.read.call(this,d,null));if(this.write&&!(typeof this.write==="function")){throw new Error("LocalizedObservable: options.write is not a function for read_write model attribute")}e=kb.utils.wrappedObservable(this,ko.dependentObservable({read:_.bind(this._onGetValue,this),write:this.write?_.bind(this._onSetValue,this):(function(){throw new Error("Knockback.LocalizedObservable: value is read only")}),owner:this.view_model}));e.destroy=_.bind(this.destroy,this);e.observedValue=_.bind(this.observedValue,this);e.setToDefault=_.bind(this.setToDefault,this);e.resetToCurrent=_.bind(this.resetToCurrent,this);kb.locale_manager.bind("change",this.__kb._onLocaleChange);return e}a.prototype.destroy=function(){kb.locale_manager.unbind("change",this.__kb._onLocaleChange);this.__kb.value_observable=null;kb.utils.wrappedObservable(this).dispose();kb.utils.wrappedObservable(this,null);this.options={};this.view_model=null;return this.__kb=null};a.prototype.setToDefault=function(){var c,b;if(!this["default"]){return}b=this._getDefaultValue();c=this.__kb.value_observable();if(c!==b){return this._onSetValue(b)}else{return this.__kb.value_observable.valueHasMutated()}};a.prototype.resetToCurrent=function(){this.__kb.value_observable(null);return this._onSetValue(this._getCurrentValue())};a.prototype.observedValue=function(b){if(arguments.length===0){return this.value}this.value=b;this._onLocaleChange();return this};a.prototype._getDefaultValue=function(){if(!this["default"]){return""}if(typeof this["default"]==="function"){return this["default"]()}else{return this["default"]}};a.prototype._getCurrentValue=function(){var b;b=kb.utils.wrappedObservable(this);if(!(this.value&&b)){return this._getDefaultValue()}return this.read.call(this,ko.utils.unwrapObservable(this.value))};a.prototype._onGetValue=function(){if(this.value){ko.utils.unwrapObservable(this.value)}return this.__kb.value_observable()};a.prototype._onSetValue=function(b){this.write.call(this,b,ko.utils.unwrapObservable(this.value));b=this.read.call(this,ko.utils.unwrapObservable(this.value));this.__kb.value_observable(b);if(this.options.onChange){return this.options.onChange(b)}};a.prototype._onLocaleChange=function(){var b;b=this.read.call(this,ko.utils.unwrapObservable(this.value));this.__kb.value_observable(b);if(this.options.onChange){return this.options.onChange(b)}};return a})();Knockback.localizedObservable=function(c,b,a){return new Knockback.LocalizedObservable(c,b,a)};Knockback.Observable=(function(){a.name="Observable";function a(c,d,b){var e,f=this;this.model=c;this.mapping_info=d;this.view_model=b!=null?b:{};if(!this.model){throw new Error("Observable: model is missing")}if(!this.mapping_info){throw new Error("Observable: mapping_info is missing")}if(_.isString(this.mapping_info)||ko.isObservable(this.mapping_info)){this.mapping_info={key:this.mapping_info}}if(!this.mapping_info.key){throw new Error("Observable: mapping_info.key is missing")}this.__kb={};this.__kb._onModelChange=_.bind(this._onModelChange,this);this.__kb._onModelLoaded=_.bind(this._onModelLoaded,this);this.__kb._onModelUnloaded=_.bind(this._onModelUnloaded,this);if(this.mapping_info.hasOwnProperty("write")&&_.isBoolean(this.mapping_info.write)){this.mapping_info=_.clone(this.mapping_info);this.mapping_info.read_only=!this.mapping_info.write}if(Backbone.ModelRef&&(this.model instanceof Backbone.ModelRef)){this.model_ref=this.model;this.model_ref.retain();this.model_ref.bind("loaded",this.__kb._onModelLoaded);this.model_ref.bind("unloaded",this.__kb._onModelUnloaded);this.model=this.model_ref.getModel()}this.__kb.value_observable=ko.observable();if(this.mapping_info.localizer){this.__kb.localizer=new this.mapping_info.localizer(this._getCurrentValue())}e=kb.utils.wrappedObservable(this,ko.dependentObservable({read:_.bind(this._onGetValue,this),write:this.mapping_info.read_only?(function(){throw new Error("Knockback.Observable: "+f.mapping_info.key+" is read only")}):_.bind(this._onSetValue,this),owner:this.view_model}));e.destroy=_.bind(this.destroy,this);e.setToDefault=_.bind(this.setToDefault,this);if(!this.model_ref||this.model_ref.isLoaded()){this.model.bind("change",this.__kb._onModelChange)}return e}a.prototype.destroy=function(){this.__kb.value_observable=null;kb.utils.wrappedObservable(this).dispose();kb.utils.wrappedObservable(this,null);if(this.model){this.__kb._onModelUnloaded(this.model)}if(this.model_ref){this.model_ref.unbind("loaded",this.__kb._onModelLoaded);this.model_ref.unbind("unloaded",this.__kb._onModelUnloaded);this.model_ref.release();this.model_ref=null}this.mapping_info=null;this.view_model=null;return this.__kb=null};a.prototype.setToDefault=function(){var b;b=this._getDefaultValue();if(this.__kb.localizer){this.__kb.localizer.observedValue(b);b=this.__kb.localizer()}return this.__kb.value_observable(b)};a.prototype._getDefaultValue=function(){if(!this.mapping_info.hasOwnProperty("default")){return""}if(typeof this.mapping_info["default"]==="function"){return this.mapping_info["default"]()}else{return this.mapping_info["default"]}};a.prototype._getCurrentValue=function(){var b,d,e,g,c,f;if(!this.model){return this._getDefaultValue()}e=ko.utils.unwrapObservable(this.mapping_info.key);d=[e];if(!_.isUndefined(this.mapping_info.args)){if(_.isArray(this.mapping_info.args)){f=this.mapping_info.args;for(g=0,c=f.length;g<c;g++){b=f[g];d.push(ko.utils.unwrapObservable(b))}}else{d.push(ko.utils.unwrapObservable(this.mapping_info.args))}}if(this.mapping_info.read){return this.mapping_info.read.apply(this.view_model,d)}else{return this.model.get.apply(this.model,d)}};a.prototype._onGetValue=function(){var b,f,e,c,d;this.__kb.value_observable();ko.utils.unwrapObservable(this.mapping_info.key);if(!_.isUndefined(this.mapping_info.args)){if(_.isArray(this.mapping_info.args)){d=this.mapping_info.args;for(e=0,c=d.length;e<c;e++){b=d[e];ko.utils.unwrapObservable(b)}}else{ko.utils.unwrapObservable(this.mapping_info.args)}}f=this._getCurrentValue();if(this.__kb.localizer){this.__kb.localizer.observedValue(f);f=this.__kb.localizer()}return f};a.prototype._onSetValue=function(h){var b,e,d,g,c,f;if(this.__kb.localizer){this.__kb.localizer(h);h=this.__kb.localizer.observedValue()}if(this.model){d={};d[ko.utils.unwrapObservable(this.mapping_info.key)]=h;e=typeof this.mapping_info.write==="function"?[h]:[d];if(!_.isUndefined(this.mapping_info.args)){if(_.isArray(this.mapping_info.args)){f=this.mapping_info.args;for(g=0,c=f.length;g<c;g++){b=f[g];e.push(ko.utils.unwrapObservable(b))}}else{e.push(ko.utils.unwrapObservable(this.mapping_info.args))}}if(typeof this.mapping_info.write==="function"){this.mapping_info.write.apply(this.view_model,e)}else{this.model.set.apply(this.model,e)}}if(this.__kb.localizer){return this.__kb.value_observable(this.__kb.localizer())}else{return this.__kb.value_observable(h)}};a.prototype._modelBind=function(b){if(!b){return}b.bind("change",this.__kb._onModelChange);if(Backbone.RelationalModel&&(b instanceof Backbone.RelationalModel)){b.bind("add",this.__kb._onModelChange);b.bind("remove",this.__kb._onModelChange);return b.bind("update",this.__kb._onModelChange)}};a.prototype._modelUnbind=function(b){if(!b){return}b.unbind("change",this.__kb._onModelChange);if(Backbone.RelationalModel&&(b instanceof Backbone.RelationalModel)){b.unbind("add",this.__kb._onModelChange);b.unbind("remove",this.__kb._onModelChange);return b.unbind("update",this.__kb._onModelChange)}};a.prototype._onModelLoaded=function(b){this.model=b;this._modelBind(b);return this._updateValue()};a.prototype._onModelUnloaded=function(b){if(this.__kb.localizer&&this.__kb.localizer.destroy){this.__kb.localizer.destroy();this.__kb.localizer=null}this._modelUnbind(b);return this.model=null};a.prototype._onModelChange=function(){if((this.model&&this.model.hasChanged)&&!this.model.hasChanged(ko.utils.unwrapObservable(this.mapping_info.key))){return}return this._updateValue()};a.prototype._updateValue=function(){var b;b=this._getCurrentValue();if(this.__kb.localizer){this.__kb.localizer.observedValue(b);b=this.__kb.localizer()}return this.__kb.value_observable(b)};return a})();Knockback.observable=function(b,c,a){return new Knockback.Observable(b,c,a)};Knockback.Observables=(function(){a.name="Observables";function a(e,g,k,j){var h,i,f,c,d,b;if(!e){throw new Error("Observables: model is missing")}if(!g||!_.isObject(g)){throw new Error("Observables: mappings_info is missing")}this.__kb||(this.__kb={});this.__kb.model=e;this.__kb.mappings_info=g;this.__kb.view_model=_.isUndefined(k)?this:k;if(!_.isUndefined(j)&&j.hasOwnProperty("write")){kb.utils.legacyWarning("Knockback.Observables option.write","0.16.0","Now default is writable so only supply read_only as required");j.read_only=!j.write;delete j.write}if(!_.isUndefined(j)){c=_.isBoolean(j)?j:j.read_only;d=this.__kb.mappings_info;for(f in d){i=d[f];h=_.isString(i);if(h){i=!_.isUndefined(c)?{key:i,read_only:c}:{key:i}}else{if(!_.isUndefined(c)&&!(i.hasOwnProperty("read_only")||i.hasOwnProperty("write"))){i.read_only=c}}if(!i.hasOwnProperty("key")){i.key=f}this[f]=this.__kb.view_model[f]=kb.observable(this.__kb.model,i,this.__kb.view_model)}}else{b=this.__kb.mappings_info;for(f in b){i=b[f];if(i.hasOwnProperty("write")){kb.utils.legacyWarning("Knockback.Observables option.write","0.16.0","Now default is writable so only supply read_only as required")}if(!i.hasOwnProperty("key")){i.key=f}this[f]=this.__kb.view_model[f]=kb.observable(this.__kb.model,i,this.__kb.view_model)}}}a.prototype.destroy=function(){var c,b,d;d=this.__kb.mappings_info;for(b in d){c=d[b];if(this.__kb.view_model[b]){this.__kb.view_model[b].destroy()}this.__kb.view_model[b]=null;this[b]=null}this.__kb.view_model=null;this.__kb.mappings_info=null;return this.__kb.model=null};a.prototype.setToDefault=function(){var d,b,e,c;e=this.__kb.mappings_info;c=[];for(b in e){d=e[b];c.push(this.__kb.view_model[b].setToDefault())}return c};return a})();Knockback.observables=function(c,d,a,b){return new Knockback.Observables(c,d,a,b)};Knockback.TriggeredObservable=(function(){a.name="TriggeredObservable";function a(b,d){var c;this.model=b;this.event_name=d;if(!this.model){throw new Error("Observable: model is missing")}if(!this.event_name){throw new Error("Observable: event_name is missing")}this.__kb={};this.__kb._onValueChange=_.bind(this._onValueChange,this);this.__kb._onModelLoaded=_.bind(this._onModelLoaded,this);this.__kb._onModelUnloaded=_.bind(this._onModelUnloaded,this);if(Backbone.ModelRef&&(this.model instanceof Backbone.ModelRef)){this.model_ref=this.model;this.model_ref.retain();this.model_ref.bind("loaded",this.__kb._onModelLoaded);this.model_ref.bind("unloaded",this.__kb._onModelUnloaded);this.model=this.model_ref.getModel()}this.__kb.value_observable=ko.observable();c=kb.utils.wrappedObservable(this,ko.dependentObservable(_.bind(this._onGetValue,this)));c.destroy=_.bind(this.destroy,this);if(!this.model_ref||this.model_ref.isLoaded()){this._onModelLoaded(this.model)}return c}a.prototype.destroy=function(){kb.utils.wrappedObservable(this).dispose();kb.utils.wrappedObservable(this,null);this.__kb.value_observable=null;if(this.model){this._onModelUnloaded(this.model)}if(this.model_ref){this.model_ref.unbind("loaded",this.__kb._onModelLoaded);this.model_ref.unbind("unloaded",this.__kb._onModelUnloaded);this.model_ref.release();this.model_ref=null}this.options=null;this.view_model=null;return this.__kb=null};a.prototype._onGetValue=function(){return this.__kb.value_observable()};a.prototype._onModelLoaded=function(b){this.model=b;this.model.bind(this.event_name,this.__kb._onValueChange);return this._onValueChange()};a.prototype._onModelUnloaded=function(){if(this.__kb.localizer&&this.__kb.localizer.destroy){this.__kb.localizer.destroy();this.__kb.localizer=null}this.model.unbind(this.event_name,this.__kb._onValueChange);return this.model=null};a.prototype._onValueChange=function(){var b;b=this.__kb.value_observable();if(b!==this.model){return this.__kb.value_observable(this.model)}else{return this.__kb.value_observable.valueHasMutated()}};return a})();Knockback.triggeredObservable=function(a,b){return new Knockback.TriggeredObservable(a,b)};var __hasProp={}.hasOwnProperty,__extends=function(d,b){for(var a in b){if(__hasProp.call(b,a)){d[a]=b[a]}}function c(){this.constructor=d}c.prototype=b.prototype;d.prototype=new c;d.__super__=b.prototype;return d};Knockback.AttributeConnector=(function(){a.name="AttributeConnector";function a(c,d,b){var e;this.key=d;this.options=b!=null?b:{};kb.utils.wrappedModel(this,c);this.options=_.clone(this.options);this.__kb.value_observable=ko.observable();e=kb.utils.wrappedObservable(this,ko.dependentObservable({read:_.bind(this.read,this),write:_.bind(this.write,this)}));e.destroy=_.bind(this.destroy,this);e.model=_.bind(this.model,this);e.update=_.bind(this.update,this);this.__kb.initializing=true;this.update();this.__kb.initializing=false;return e}a.prototype.destroy=function(){this.__kb.value_observable=null;kb.utils.wrappedObservable(this).dispose();return kb.utils.wrappedObservable(this,null)};a.prototype.read=function(){return this.__kb.value_observable()};a.prototype.write=function(d){var c,b;c=kb.utils.wrappedModel(this);if(!c){return}if(this.options.read_only){if(!this.__kb.initializing){throw"Cannot write a value to a dependentObservable unless you specify a 'write' option. If you wish to read the current value, don't pass any parameters."}}else{b={};b[this.key]=d;return c.set(b)}};a.prototype.model=function(b){var c;c=kb.utils.wrappedModel(this);if(arguments.length===0){return c}if(c===b){return}kb.utils.wrappedModel(this,b);return this.update()};a.inferType=function(b,c){var d,e;e=b.get(c);if(!e){if(!(Backbone.RelationalModel&&(b instanceof Backbone.RelationalModel))){return"simple"}d=_.find(b.getRelations(),function(f){return f.key===c});if(!d){return"simple"}if(d.collectionKey){return"collection"}else{return"model"}}if(e instanceof Backbone.Collection){return"collection"}if((e instanceof Backbone.Model)||(Backbone.ModelRef&&(e instanceof Backbone.ModelRef))){return"model"}return"simple"};a.createByType=function(e,c,d,b){var f;switch(e){case"collection":f=b?_.clone(b):{};if(!(b.view_model||b.view_model_create||b.children||b.create)){f.view_model=kb.ViewModel}if(b.store){b.store.addResolverToOptions(f,c.get(d))}return kb.collectionAttributeConnector(c,d,f);case"model":f=b?_.clone(b):{};if(!f.options){f.options={}}if(!(b.view_model||b.view_model_create||b.children||b.create)){f.view_model=kb.ViewModel}if(b.store){b.store.addResolverToOptions(f.options,c.get(d))}return kb.viewModelAttributeConnector(c,d,f);default:return kb.simpleAttributeConnector(c,d,b)}};a.createOrUpdate=function(f,c,d,b){var g,e;if(f){if(kb.utils.observableInstanceOf(f,kb.AttributeConnector)){if(f.model()!==c){f.model(c)}else{f.update()}}return f}if(!c){return kb.simpleAttributeConnector(c,d,b)}if(b.hasOwnProperty("create")){if(!b.create){throw new Error("Knockback.AttributeConnector: options.create is empty")}return b.create(c,d,b.options||{})}e=c.get(d);if(b.hasOwnProperty("view_model")){if(!b.view_model){throw new Error("Knockback.AttributeConnector: options.view_model is empty")}return new b.view_model(e,b.options||{})}else{if(b.hasOwnProperty("view_model_create")){if(!b.view_model_create){throw new Error("Knockback.AttributeConnector: options.view_model_create is empty")}return b.view_model_create(e,b.options||{})}else{if(b.hasOwnProperty("children")){if(!b.children){throw new Error("Knockback.AttributeConnector: options.children is empty")}if(typeof b.children==="function"){g={view_model:b.children}}else{g=b.children||{}}return kb.collectionAttributeConnector(c,d,g)}}}return this.createByType(this.inferType(c,d),c,d,b)};return a})();Knockback.SimpleAttributeConnector=(function(b){__extends(a,b);a.name="SimpleAttributeConnector";function a(){a.__super__.constructor.apply(this,arguments);return kb.utils.wrappedObservable(this)}a.prototype.destroy=function(){this.current_value=null;return a.__super__.destroy.apply(this,arguments)};a.prototype.update=function(){var d,c,e;c=kb.utils.wrappedModel(this);if(!c){return}e=c.get(this.key);d=this.__kb.value_observable();if(!_.isEqual(d,e)){return this.__kb.value_observable(e)}};a.prototype.write=function(d){var c;c=kb.utils.wrappedModel(this);if(!c){this.__kb.value_observable(d);return}return a.__super__.write.apply(this,arguments)};return a})(Knockback.AttributeConnector);Knockback.simpleAttributeConnector=function(b,c,a){return new Knockback.SimpleAttributeConnector(b,c,a)};Knockback.CollectionAttributeConnector=(function(a){__extends(b,a);b.name="CollectionAttributeConnector";function b(){b.__super__.constructor.apply(this,arguments);return kb.utils.wrappedObservable(this)}b.prototype.destroy=function(){var c;c=this.__kb.value_observable();if(c&&(typeof c.refCount==="function")&&(c.refCount()>0)){c.release()}return b.__super__.destroy.apply(this,arguments)};b.prototype.update=function(){var d,c,e,f=this;c=kb.utils.wrappedModel(this);if(!c){return}e=c.get(this.key);d=this.__kb.value_observable();if(!d){if(this.options.store){return this.__kb.value_observable(this.options.store.resolveValue(e,function(){return kb.collectionObservable(e,f.options)}))}else{return this.__kb.value_observable(kb.collectionObservable(e,this.options))}}else{if(d.collection()!==e){d.collection(e);return this.__kb.value_observable.valueHasMutated()}}};b.prototype.read=function(){var c;c=this.__kb.value_observable();if(c){return c()}else{return}};return b})(Knockback.AttributeConnector);Knockback.collectionAttributeConnector=function(b,c,a){return new Knockback.CollectionAttributeConnector(b,c,a)};Knockback.ViewModelAttributeConnector=(function(b){__extends(a,b);a.name="ViewModelAttributeConnector";function a(){a.__super__.constructor.apply(this,arguments);return kb.utils.wrappedObservable(this)}a.prototype.destroy=function(){var c;c=this.__kb.value_observable();if(c&&(typeof c.refCount==="function")&&(c.refCount()>0)){c.release()}return a.__super__.destroy.apply(this,arguments)};a.prototype.update=function(){var d,c,e,f,g=this;c=kb.utils.wrappedModel(this);if(!c){return}e=c.get(this.key);d=this.__kb.value_observable();if(!d){f=this.options.options?_.clone(this.options.options):{};if(f.store){return this.__kb.value_observable(f.store.resolveValue(e,function(){if(g.options.view_model){return new g.options.view_model(e,f)}else{return g.options.view_model_create(e,f)}}))}else{return this.__kb.value_observable(this.options.view_model?new this.options.view_model(e,f):this.options.view_model_create(e,f))}}else{if(!(d.model&&(typeof d.model==="function"))){throw new Error("Knockback.viewModelAttributeConnector: unknown how to model a view model")}if(d.model()!==e){d.model(e);return this.__kb.value_observable.valueHasMutated()}}};return a})(Knockback.AttributeConnector);Knockback.viewModelAttributeConnector=function(b,c,a){return new Knockback.ViewModelAttributeConnector(b,c,a)};var __hasProp={}.hasOwnProperty,__extends=function(d,b){for(var a in b){if(__hasProp.call(b,a)){d[a]=b[a]}}function c(){this.constructor=d}c.prototype=b.prototype;d.prototype=new c;d.__super__=b.prototype;return d};Knockback.ViewModel_RCBase=(function(b){__extends(a,b);a.name="ViewModel_RCBase";function a(){return a.__super__.constructor.apply(this,arguments)}a.prototype.__destroy=function(){var d,e,c;c=[];for(d in this){e=this[d];if(!e||(d==="__kb")){continue}if(kb.utils.release(e)){c.push(this[d]=null)}else{c.push(void 0)}}return c};return a})(Knockback.RefCountable);Knockback.ViewModel=(function(b){__extends(a,b);a.name="ViewModel";function a(e,d){var g,f,h,c;if(d==null){d={}}a.__super__.constructor.apply(this,arguments);if(Knockback.stats_on){kb.stats.view_models++}if(!d.store_skip_resolve){kb.Store.resolveFromOptions(d,this)}if(d.store){this.__kb.store=d.store}else{this.__kb.store=new kb.Store();this.__kb.store_is_owned=true}this.__kb._onModelChange=_.bind(this._onModelChange,this);this.__kb._onModelLoaded=_.bind(this._onModelLoaded,this);this.__kb._onModelUnloaded=_.bind(this._onModelUnloaded,this);this.__kb.internals=d.internals;this.__kb.requires=d.requires;this.__kb.children=d.children;this.__kb.create=d.create;this.__kb.read_only=d.read_only;kb.utils.wrappedModel(this,e);if(Backbone.ModelRef&&(e instanceof Backbone.ModelRef)){this.__kb.model_ref=e;this.__kb.model_ref.retain();kb.utils.wrappedModel(this,this.__kb.model_ref.getModel());this.__kb.model_ref.bind("loaded",this.__kb._onModelLoaded);this.__kb.model_ref.bind("unloaded",this.__kb._onModelUnloaded)}if(this.__kb.model){this._onModelLoaded(this.__kb.model)}if(!this.__kb.internals&&!this.__kb.requires){return this}f=_.union((this.__kb.internals?this.__kb.internals:[]),(this.__kb.requires?this.__kb.requires:[]));if(!this.__kb.model_ref||this.__kb.model_ref.isLoaded()){f=_.difference(f,_.keys(this.__kb.model.attributes))}for(h=0,c=f.length;h<c;h++){g=f[h];this._updateAttributeConnector(this.__kb.model,g)}}a.prototype.__destroy=function(){var c;c=this.__kb.model;kb.utils.wrappedModel(this,null);this._modelUnbind(c);if(this.__kb.store_is_owned){this.__kb.store.destroy()}this.__kb.store=null;a.__super__.__destroy.apply(this,arguments);if(Knockback.stats_on){return kb.stats.view_models--}};a.prototype.model=function(c){var d;d=kb.utils.wrappedModel(this);if(arguments.length===0){return d}if(c===d){return}if(d){this._onModelUnloaded(d)}if(c){return this._onModelLoaded(c)}};a.prototype._modelBind=function(c){if(!c){return}c.bind("change",this.__kb._onModelChange);if(Backbone.RelationalModel&&(c instanceof Backbone.RelationalModel)){c.bind("add",this.__kb._onModelChange);c.bind("remove",this.__kb._onModelChange);return c.bind("update",this.__kb._onModelChange)}};a.prototype._modelUnbind=function(c){if(!c){return}c.unbind("change",this.__kb._onModelChange);if(Backbone.RelationalModel&&(c instanceof Backbone.RelationalModel)){c.unbind("add",this.__kb._onModelChange);c.unbind("remove",this.__kb._onModelChange);return c.unbind("update",this.__kb._onModelChange)}};a.prototype._onModelLoaded=function(d){var e,c;kb.utils.wrappedModel(this,d);this._modelBind(d);c=[];for(e in this.__kb.model.attributes){c.push(this._updateAttributeConnector(this.__kb.model,e))}return c};a.prototype._onModelUnloaded=function(d){var e,c;this._modelUnbind(d);kb.utils.wrappedModel(this,null);c=[];for(e in d.attributes){c.push(this._updateAttributeConnector(null,e))}return c};a.prototype._onModelChange=function(){var e,c,d;if(this.__kb.model._changed){c=[];for(e in 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c}else{if(this.__kb.children.hasOwnProperty("create")){return{create:this.__kb.children.create,options:{read_only:this.__kb.read_only,store:this.__kb.store}}}}}else{if(this.__kb.create){return{create:this.__kb.create,options:{read_only:this.__kb.read_only,store:this.__kb.store}}}}return{read_only:this.__kb.read_only,store:this.__kb.store}};return a})(Knockback.ViewModel_RCBase);Knockback.viewModel=function(b,a){return new Knockback.ViewModel(b,a)};
\ No newline at end of file
diff --git a/architecture-examples/knockback/js/lib/knockout-2.0.0.js b/architecture-examples/knockback/js/lib/knockout-2.0.0.js
deleted file mode 100644
index e5577ebdf0..0000000000
--- a/architecture-examples/knockback/js/lib/knockout-2.0.0.js
+++ /dev/null
@@ -1,97 +0,0 @@
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diff --git a/architecture-examples/knockback/js/lib/knockout-2.1.0.js b/architecture-examples/knockback/js/lib/knockout-2.1.0.js
new file mode 100644
index 0000000000..107026da16
--- /dev/null
+++ b/architecture-examples/knockback/js/lib/knockout-2.1.0.js
@@ -0,0 +1,86 @@
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+if(c)return a.a.L(c.cloneNode(p).childNodes);b=b.text();return a.a.pa(b)};a.q.K=new a.q;a.ra(a.q.K);a.b("nativeTemplateEngine",a.q);(function(){a.ma=function(){var a=this.vb=function(){if("undefined"==typeof jQuery||!jQuery.tmpl)return 0;try{if(0<=jQuery.tmpl.tag.tmpl.open.toString().indexOf("__"))return 2}catch(a){}return 1}();this.renderTemplateSource=function(b,f,g){g=g||{};2>a&&m(Error("Your version of jQuery.tmpl is too old. Please upgrade to jQuery.tmpl 1.0.0pre or later."));var e=b.data("precompiled");
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+})(window,document,navigator);
diff --git a/architecture-examples/knockback/js/models/todo.js b/architecture-examples/knockback/js/models/todo.js
index f80aeede44..9047ea19cd 100644
--- a/architecture-examples/knockback/js/models/todo.js
+++ b/architecture-examples/knockback/js/models/todo.js
@@ -1,17 +1,18 @@
+// Generated by CoffeeScript 1.3.1
 (function() {
-  var __hasProp = Object.prototype.hasOwnProperty, __extends = function(child, parent) {
-    for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; }
-    function ctor() { this.constructor = child; }
-    ctor.prototype = parent.prototype;
-    child.prototype = new ctor;
-    child.__super__ = parent.prototype;
-    return child;
-  };
-  window.Todo = (function() {
-    __extends(Todo, Backbone.Model);
+  var __hasProp = {}.hasOwnProperty,
+    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor; child.__super__ = parent.prototype; return child; };
+
+  window.Todo = (function(_super) {
+
+    __extends(Todo, _super);
+
+    Todo.name = 'Todo';
+
     function Todo() {
-      Todo.__super__.constructor.apply(this, arguments);
+      return Todo.__super__.constructor.apply(this, arguments);
     }
+
     Todo.prototype.completed = function(completed) {
       if (arguments.length === 0) {
         return !!this.get('completed');
@@ -20,6 +21,9 @@
         completed: completed ? new Date() : null
       });
     };
+
     return Todo;
-  })();
+
+  })(Backbone.Model);
+
 }).call(this);
diff --git a/architecture-examples/knockback/js/models/todo_collection.js b/architecture-examples/knockback/js/models/todo_collection.js
index 8dbd6da7bc..82f03a9560 100644
--- a/architecture-examples/knockback/js/models/todo_collection.js
+++ b/architecture-examples/knockback/js/models/todo_collection.js
@@ -1,33 +1,39 @@
+// Generated by CoffeeScript 1.3.1
 (function() {
-  var __hasProp = Object.prototype.hasOwnProperty, __extends = function(child, parent) {
-    for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; }
-    function ctor() { this.constructor = child; }
-    ctor.prototype = parent.prototype;
-    child.prototype = new ctor;
-    child.__super__ = parent.prototype;
-    return child;
-  };
-  window.TodosCollection = (function() {
-    __extends(TodosCollection, Backbone.Collection);
-    function TodosCollection() {
-      TodosCollection.__super__.constructor.apply(this, arguments);
+  var __hasProp = {}.hasOwnProperty,
+    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor; child.__super__ = parent.prototype; return child; };
+
+  window.TodoCollection = (function(_super) {
+
+    __extends(TodoCollection, _super);
+
+    TodoCollection.name = 'TodoCollection';
+
+    function TodoCollection() {
+      return TodoCollection.__super__.constructor.apply(this, arguments);
     }
-    TodosCollection.prototype.localStorage = new Store('todos-knockback');
-    TodosCollection.prototype.model = Todo;
-    TodosCollection.prototype.completedCount = function() {
+
+    TodoCollection.prototype.localStorage = new Store('todos-knockback');
+
+    TodoCollection.prototype.model = Todo;
+
+    TodoCollection.prototype.completedCount = function() {
       return this.models.reduce((function(prev, cur) {
         return prev + (cur.completed() ? 1 : 0);
       }), 0);
     };
-    TodosCollection.prototype.remainingCount = function() {
+
+    TodoCollection.prototype.remainingCount = function() {
       return this.models.length - this.completedCount();
     };
-    TodosCollection.prototype.completeAll = function(completed) {
+
+    TodoCollection.prototype.completeAll = function(completed) {
       return this.each(function(todo) {
         return todo.completed(completed);
       });
     };
-    TodosCollection.prototype.destroyCompleted = function() {
+
+    TodoCollection.prototype.destroyCompleted = function() {
       var completed_tasks, model, _i, _len, _results;
       completed_tasks = this.filter(function(todo) {
         return todo.completed();
@@ -39,6 +45,9 @@
       }
       return _results;
     };
-    return TodosCollection;
-  })();
+
+    return TodoCollection;
+
+  })(Backbone.Collection);
+
 }).call(this);
diff --git a/architecture-examples/knockback/js/routers/app.js b/architecture-examples/knockback/js/routers/app.js
index 55f70a1fc5..fff6649b50 100644
--- a/architecture-examples/knockback/js/routers/app.js
+++ b/architecture-examples/knockback/js/routers/app.js
@@ -1,31 +1,38 @@
+// Generated by CoffeeScript 1.3.1
 (function() {
-  var __hasProp = Object.prototype.hasOwnProperty, __extends = function(child, parent) {
-    for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; }
-    function ctor() { this.constructor = child; }
-    ctor.prototype = parent.prototype;
-    child.prototype = new ctor;
-    child.__super__ = parent.prototype;
-    return child;
-  };
-  window.AppRouter = (function() {
-    __extends(AppRouter, Backbone.Router);
+  var __hasProp = {}.hasOwnProperty,
+    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor; child.__super__ = parent.prototype; return child; };
+
+  window.AppRouter = (function(_super) {
+
+    __extends(AppRouter, _super);
+
+    AppRouter.name = 'AppRouter';
+
     function AppRouter() {
-      AppRouter.__super__.constructor.apply(this, arguments);
+      return AppRouter.__super__.constructor.apply(this, arguments);
     }
+
     AppRouter.prototype.routes = {
       "": "all",
       "active": "active",
       "completed": "completed"
     };
+
     AppRouter.prototype.all = function() {
       return app.viewmodels.settings.list_filter_mode('');
     };
+
     AppRouter.prototype.active = function() {
       return app.viewmodels.settings.list_filter_mode('active');
     };
+
     AppRouter.prototype.completed = function() {
       return app.viewmodels.settings.list_filter_mode('completed');
     };
+
     return AppRouter;
-  })();
+
+  })(Backbone.Router);
+
 }).call(this);
diff --git a/architecture-examples/knockback/js/viewmodels/footer.js b/architecture-examples/knockback/js/viewmodels/footer.js
index 34f4ae4687..3f6d47e173 100644
--- a/architecture-examples/knockback/js/viewmodels/footer.js
+++ b/architecture-examples/knockback/js/viewmodels/footer.js
@@ -1,25 +1,28 @@
+// Generated by CoffeeScript 1.3.1
 (function() {
-  var __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
+
   window.FooterViewModel = function(todos) {
-    this.collection_observable = kb.collectionObservable(todos);
-    this.remaining_count = ko.computed(__bind(function() {
-      return this.collection_observable.collection().remainingCount();
-    }, this));
-    this.remaining_text = ko.computed(__bind(function() {
-      return "" + (this.collection_observable.collection().remainingCount() === 1 ? 'item' : 'items') + " left";
-    }, this));
-    this.clear_text = ko.computed(__bind(function() {
+    var _this = this;
+    this.todos = kb.collectionObservable(todos);
+    this.todos.collection().bind('change', function() {
+      return _this.todos.valueHasMutated();
+    });
+    this.remaining_text = ko.computed(function() {
+      return "<strong>" + (_this.todos.collection().remainingCount()) + "</strong> " + (_this.todos.collection().remainingCount() === 1 ? 'item' : 'items') + " left";
+    });
+    this.clear_text = ko.computed(function() {
       var count;
-      count = this.collection_observable.collection().completedCount();
+      count = _this.todos.collection().completedCount();
       if (count) {
         return "Clear completed (" + count + ")";
       } else {
         return '';
       }
-    }, this));
-    this.onDestroyCompleted = __bind(function() {
+    });
+    this.onDestroyCompleted = function() {
       return todos.destroyCompleted();
-    }, this);
+    };
     return this;
   };
+
 }).call(this);
diff --git a/architecture-examples/knockback/js/viewmodels/header.js b/architecture-examples/knockback/js/viewmodels/header.js
index 38ffed4e2d..ef7f5b6e06 100644
--- a/architecture-examples/knockback/js/viewmodels/header.js
+++ b/architecture-examples/knockback/js/viewmodels/header.js
@@ -1,18 +1,22 @@
+// Generated by CoffeeScript 1.3.1
 (function() {
   var ENTER_KEY;
-  var __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
+
   ENTER_KEY = 13;
+
   window.HeaderViewModel = function(todos) {
+    var _this = this;
     this.title = ko.observable('');
-    this.onAddTodo = __bind(function(view_model, event) {
-      if (!$.trim(this.title()) || (event.keyCode !== ENTER_KEY)) {
+    this.onAddTodo = function(view_model, event) {
+      if (!$.trim(_this.title()) || (event.keyCode !== ENTER_KEY)) {
         return true;
       }
       todos.create({
-        title: $.trim(this.title())
+        title: $.trim(_this.title())
       });
-      return this.title('');
-    }, this);
+      return _this.title('');
+    };
     return this;
   };
+
 }).call(this);
diff --git a/architecture-examples/knockback/js/viewmodels/settings.js b/architecture-examples/knockback/js/viewmodels/settings.js
index bdb6d8fdab..acc8aca90b 100644
--- a/architecture-examples/knockback/js/viewmodels/settings.js
+++ b/architecture-examples/knockback/js/viewmodels/settings.js
@@ -1,6 +1,9 @@
+// Generated by CoffeeScript 1.3.1
 (function() {
+
   window.SettingsViewModel = function() {
     this.list_filter_mode = ko.observable('');
     return this;
   };
+
 }).call(this);
diff --git a/architecture-examples/knockback/js/viewmodels/todos.js b/architecture-examples/knockback/js/viewmodels/todos.js
index fabbcdbf54..04374f947e 100644
--- a/architecture-examples/knockback/js/viewmodels/todos.js
+++ b/architecture-examples/knockback/js/viewmodels/todos.js
@@ -1,29 +1,32 @@
+// Generated by CoffeeScript 1.3.1
 (function() {
   var TodoViewModel;
-  var __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
+
   TodoViewModel = function(model) {
+    var _this = this;
     this.editing = ko.observable(false);
     this.completed = kb.observable(model, {
       key: 'completed',
+      read: (function() {
+        return model.completed();
+      }),
       write: (function(completed) {
-        return model.save({
-          completed: completed
-        });
+        return model.completed(completed);
       })
     }, this);
-    this.visible = ko.computed(__bind(function() {
+    this.visible = ko.computed(function() {
       switch (app.viewmodels.settings.list_filter_mode()) {
         case 'active':
-          return !this.completed();
+          return !_this.completed();
         case 'completed':
-          return this.completed();
+          return _this.completed();
         default:
           return true;
       }
-    }, this));
+    });
     this.title = kb.observable(model, {
       key: 'title',
-      write: (__bind(function(title) {
+      write: (function(title) {
         if ($.trim(title)) {
           model.save({
             title: $.trim(title)
@@ -33,42 +36,47 @@
             return model.destroy();
           });
         }
-        return this.editing(false);
-      }, this))
+        return _this.editing(false);
+      })
     }, this);
-    this.onDestroyTodo = __bind(function() {
+    this.onDestroyTodo = function() {
       return model.destroy();
-    }, this);
-    this.onCheckEditBegin = __bind(function() {
-      if (!this.editing() && !this.completed()) {
-        this.editing(true);
+    };
+    this.onCheckEditBegin = function() {
+      if (!_this.editing() && !_this.completed()) {
+        _this.editing(true);
         return $('.todo-input').focus();
       }
-    }, this);
-    this.onCheckEditEnd = __bind(function(view_model, event) {
+    };
+    this.onCheckEditEnd = function(view_model, event) {
       if ((event.keyCode === 13) || (event.type === 'blur')) {
         $('.todo-input').blur();
-        return this.editing(false);
+        return _this.editing(false);
       }
-    }, this);
+    };
     return this;
   };
+
   window.TodosViewModel = function(todos) {
-    this.todos = ko.observableArray([]);
-    this.collection_observable = kb.collectionObservable(todos, this.todos, {
+    var _this = this;
+    this.todos = kb.collectionObservable(todos, {
       view_model: TodoViewModel
     });
-    this.tasks_exist = ko.computed(__bind(function() {
-      return this.collection_observable().length;
-    }, this));
+    this.todos.collection().bind('change', function() {
+      return _this.todos.valueHasMutated();
+    });
+    this.tasks_exist = ko.computed(function() {
+      return _this.todos().length;
+    });
     this.all_completed = ko.computed({
-      read: __bind(function() {
-        return !this.collection_observable.collection().remainingCount();
-      }, this),
-      write: __bind(function(completed) {
-        return this.collection_observable.collection().completeAll(completed);
-      }, this)
+      read: function() {
+        return !_this.todos.collection().remainingCount();
+      },
+      write: function(completed) {
+        return _this.todos.collection().completeAll(completed);
+      }
     });
     return this;
   };
+
 }).call(this);
diff --git a/architecture-examples/knockback/src/app.coffee b/architecture-examples/knockback/src/app.coffee
index 3b50c60ed5..b21db5013d 100644
--- a/architecture-examples/knockback/src/app.coffee
+++ b/architecture-examples/knockback/src/app.coffee
@@ -15,7 +15,7 @@ $ ->
 	# Create and bind the app viewmodels
 	window.app = {viewmodels: {}}
 	app.viewmodels.settings = new SettingsViewModel()
-	todos = new TodosCollection()
+	todos = new TodoCollection()
 	app.viewmodels.header = new HeaderViewModel(todos)
 	app.viewmodels.todos = new TodosViewModel(todos)
 	app.viewmodels.footer = new FooterViewModel(todos)
diff --git a/architecture-examples/knockback/src/models/todo_collection.coffee b/architecture-examples/knockback/src/models/todo_collection.coffee
index 5618fcee95..b24f0126a0 100644
--- a/architecture-examples/knockback/src/models/todo_collection.coffee
+++ b/architecture-examples/knockback/src/models/todo_collection.coffee
@@ -1,4 +1,4 @@
-class window.TodosCollection extends Backbone.Collection
+class window.TodoCollection extends Backbone.Collection
 	localStorage: new Store('todos-knockback') # Save all of the todos under the `"todos-knockback"` namespace.
 	model: Todo
 
diff --git a/architecture-examples/knockback/src/viewmodels/footer.coffee b/architecture-examples/knockback/src/viewmodels/footer.coffee
index cca8ccba21..52a6815faf 100644
--- a/architecture-examples/knockback/src/viewmodels/footer.coffee
+++ b/architecture-examples/knockback/src/viewmodels/footer.coffee
@@ -1,11 +1,11 @@
 window.FooterViewModel = (todos) ->
-	@collection_observable = kb.collectionObservable(todos)
+	@todos = kb.collectionObservable(todos)
+	@todos.collection().bind('change', => @todos.valueHasMutated())   # get notified of changes to any models
 
-	@remaining_count = ko.computed(=> return @collection_observable.collection().remainingCount())
-	@remaining_text = ko.computed(=> return "#{if @collection_observable.collection().remainingCount() == 1 then 'item' else 'items'} left")
+	@remaining_text = ko.computed(=> return "<strong>#{@todos.collection().remainingCount()}</strong> #{if @todos.collection().remainingCount() == 1 then 'item' else 'items'} left")
 
 	@clear_text = ko.computed(=>
-		count = @collection_observable.collection().completedCount()
+		count = @todos.collection().completedCount()
 		return if count then "Clear completed (#{count})" else ''
 	)
 
diff --git a/architecture-examples/knockback/src/viewmodels/todos.coffee b/architecture-examples/knockback/src/viewmodels/todos.coffee
index 31ebd760b4..d9fe4e66db 100644
--- a/architecture-examples/knockback/src/viewmodels/todos.coffee
+++ b/architecture-examples/knockback/src/viewmodels/todos.coffee
@@ -1,7 +1,7 @@
 TodoViewModel = (model) ->
 	# Task UI state
 	@editing = ko.observable(false)
-	@completed = kb.observable(model, {key: 'completed', write: ((completed) -> model.save(completed: completed)) }, @)
+	@completed = kb.observable(model, {key: 'completed', read: (-> return model.completed()), write: ((completed) -> model.completed(completed)) }, @)
 	@visible = ko.computed(=>
 		switch app.viewmodels.settings.list_filter_mode()
 			when 'active' then return not @completed()
@@ -24,13 +24,13 @@ TodoViewModel = (model) ->
 	@
 
 window.TodosViewModel = (todos) ->
-	@todos = ko.observableArray([])
-	@collection_observable = kb.collectionObservable(todos, @todos, view_model: TodoViewModel)
+	@todos = kb.collectionObservable(todos, {view_model: TodoViewModel})
+	@todos.collection().bind('change', => @todos.valueHasMutated())   # get notified of changes to any models
 
-	@tasks_exist = ko.computed(=> @collection_observable().length)
+	@tasks_exist = ko.computed(=> @todos().length)
 
 	@all_completed = ko.computed(
-		read: => return not @collection_observable.collection().remainingCount()
-		write: (completed) => @collection_observable.collection().completeAll(completed)
+		read: => return not @todos.collection().remainingCount()
+		write: (completed) => @todos.collection().completeAll(completed)
 	)
 	@
\ No newline at end of file