knockback-core-stack.min.js

/*
  knockback-core-stack.js 0.17.0
  (c) 2011-2013 Kevin Malakoff - http://kmalakoff.github.com/knockback/
  License: MIT (http://www.opensource.org/licenses/mit-license.php)
  Dependencies: Knockout.js, Backbone.js, and Underscore.js.
*/
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attrs){val=attrs[attr];if(!_.isEqual(current[attr],val))changes.push(attr);if(!_.isEqual(prev[attr],val)){this.changed[attr]=val}else{delete this.changed[attr]}unset?delete current[attr]:current[attr]=val}if(!silent){if(changes.length)this._pending=true;for(var i=0,l=changes.length;i<l;i++){this.trigger("change:"+changes[i],this,current[changes[i]],options)}}if(changing)return this;if(!silent){while(this._pending){this._pending=false;this.trigger("change",this,options)}}this._pending=false;this._changing=false;return this},unset:function(attr,options){return this.set(attr,void 0,_.extend({},options,{unset:true}))},clear:function(options){var attrs={};for(var key in this.attributes)attrs[key]=void 0;return this.set(attrs,_.extend({},options,{unset:true}))},hasChanged:function(attr){if(attr==null)return!_.isEmpty(this.changed);return _.has(this.changed,attr)},changedAttributes:function(diff){if(!diff)return this.hasChanged()?_.clone(this.changed):false;var val,changed=false;var old=this._changing?this._previousAttributes:this.attributes;for(var attr in diff){if(_.isEqual(old[attr],val=diff[attr]))continue;(changed||(changed={}))[attr]=val}return changed},previous:function(attr){if(attr==null||!this._previousAttributes)return null;return this._previousAttributes[attr]},previousAttributes:function(){return _.clone(this._previousAttributes)},fetch:function(options){options=options?_.clone(options):{};if(options.parse===void 0)options.parse=true;var model=this;var success=options.success;options.success=function(resp){if(!model.set(model.parse(resp,options),options))return false;if(success)success(model,resp,options);model.trigger("sync",model,resp,options)};wrapError(this,options);return this.sync("read",this,options)},save:function(key,val,options){var attrs,method,xhr,attributes=this.attributes;if(key==null||typeof key==="object"){attrs=key;options=val}else{(attrs={})[key]=val}if(attrs&&(!options||!options.wait)&&!this.set(attrs,options))return false;options=_.extend({validate:true},options);if(!this._validate(attrs,options))return false;if(attrs&&options.wait){this.attributes=_.extend({},attributes,attrs)}if(options.parse===void 0)options.parse=true;var model=this;var success=options.success;options.success=function(resp){model.attributes=attributes;var serverAttrs=model.parse(resp,options);if(options.wait)serverAttrs=_.extend(attrs||{},serverAttrs);if(_.isObject(serverAttrs)&&!model.set(serverAttrs,options)){return false}if(success)success(model,resp,options);model.trigger("sync",model,resp,options)};wrapError(this,options);method=this.isNew()?"create":options.patch?"patch":"update";if(method==="patch")options.attrs=attrs;xhr=this.sync(method,this,options);if(attrs&&options.wait)this.attributes=attributes;return xhr},destroy:function(options){options=options?_.clone(options):{};var model=this;var success=options.success;var destroy=function(){model.trigger("destroy",model,model.collection,options)};options.success=function(resp){if(options.wait||model.isNew())destroy();if(success)success(model,resp,options);if(!model.isNew())model.trigger("sync",model,resp,options)};if(this.isNew()){options.success();return false}wrapError(this,options);var xhr=this.sync("delete",this,options);if(!options.wait)destroy();return xhr},url:function(){var base=_.result(this,"urlRoot")||_.result(this.collection,"url")||urlError();if(this.isNew())return base;return base+(base.charAt(base.length-1)==="/"?"":"/")+encodeURIComponent(this.id)},parse:function(resp,options){return resp},clone:function(){return new this.constructor(this.attributes)},isNew:function(){return this.id==null},isValid:function(options){return this._validate({},_.extend(options||{},{validate:true}))},_validate:function(attrs,options){if(!options.validate||!this.validate)return true;attrs=_.extend({},this.attributes,attrs);var error=this.validationError=this.validate(attrs,options)||null;if(!error)return true;this.trigger("invalid",this,error,_.extend(options||{},{validationError:error}));return false}});var modelMethods=["keys","values","pairs","invert","pick","omit"];_.each(modelMethods,function(method){Model.prototype[method]=function(){var args=slice.call(arguments);args.unshift(this.attributes);return _[method].apply(_,args)}});var Collection=Backbone.Collection=function(models,options){options||(options={});if(options.url)this.url=options.url;if(options.model)this.model=options.model;if(options.comparator!==void 0)this.comparator=options.comparator;this._reset();this.initialize.apply(this,arguments);if(models)this.reset(models,_.extend({silent:true},options))};var setOptions={add:true,remove:true,merge:true};var addOptions={add:true,merge:false,remove:false};_.extend(Collection.prototype,Events,{model:Model,initialize:function(){},toJSON:function(options){return this.map(function(model){return model.toJSON(options)})},sync:function(){return Backbone.sync.apply(this,arguments)},add:function(models,options){return this.set(models,_.defaults(options||{},addOptions))},remove:function(models,options){models=_.isArray(models)?models.slice():[models];options||(options={});var i,l,index,model;for(i=0,l=models.length;i<l;i++){model=this.get(models[i]);if(!model)continue;delete this._byId[model.id];delete this._byId[model.cid];index=this.indexOf(model);this.models.splice(index,1);this.length--;if(!options.silent){options.index=index;model.trigger("remove",model,this,options)}this._removeReference(model)}return this},set:function(models,options){options=_.defaults(options||{},setOptions);if(options.parse)models=this.parse(models,options);if(!_.isArray(models))models=models?[models]:[];var i,l,model,attrs,existing,sort;var at=options.at;var sortable=this.comparator&&at==null&&options.sort!==false;var sortAttr=_.isString(this.comparator)?this.comparator:null;var toAdd=[],toRemove=[],modelMap={};for(i=0,l=models.length;i<l;i++){if(!(model=this._prepareModel(models[i],options)))continue;if(existing=this.get(model)){if(options.remove)modelMap[existing.cid]=true;if(options.merge){existing.set(model.attributes,options);if(sortable&&!sort&&existing.hasChanged(sortAttr))sort=true}}else if(options.add){toAdd.push(model);model.on("all",this._onModelEvent,this);this._byId[model.cid]=model;if(model.id!=null)this._byId[model.id]=model}}if(options.remove){for(i=0,l=this.length;i<l;++i){if(!modelMap[(model=this.models[i]).cid])toRemove.push(model)}if(toRemove.length)this.remove(toRemove,options)}if(toAdd.length){if(sortable)sort=true;this.length+=toAdd.length;if(at!=null){splice.apply(this.models,[at,0].concat(toAdd))}else{push.apply(this.models,toAdd)}}if(sort)this.sort({silent:true});if(options.silent)return this;for(i=0,l=toAdd.length;i<l;i++){(model=toAdd[i]).trigger("add",model,this,options)}if(sort)this.trigger("sort",this,options);return this},reset:function(models,options){options||(options={});for(var i=0,l=this.models.length;i<l;i++){this._removeReference(this.models[i])}options.previousModels=this.models;this._reset();this.add(models,_.extend({silent:true},options));if(!options.silent)this.trigger("reset",this,options);return this},push:function(model,options){model=this._prepareModel(model,options);this.add(model,_.extend({at:this.length},options));return model},pop:function(options){var model=this.at(this.length-1);this.remove(model,options);return model},unshift:function(model,options){model=this._prepareModel(model,options);this.add(model,_.extend({at:0},options));return model},shift:function(options){var model=this.at(0);this.remove(model,options);return model},slice:function(begin,end){return this.models.slice(begin,end)},get:function(obj){if(obj==null)return void 0;return this._byId[obj.id!=null?obj.id:obj.cid||obj]},at:function(index){return this.models[index]},where:function(attrs,first){if(_.isEmpty(attrs))return first?void 0:[];return this[first?"find":"filter"](function(model){for(var key in attrs){if(attrs[key]!==model.get(key))return false}return true})},findWhere:function(attrs){return this.where(attrs,true)},sort:function(options){if(!this.comparator)throw new Error("Cannot sort a set without a comparator");options||(options={});if(_.isString(this.comparator)||this.comparator.length===1){this.models=this.sortBy(this.comparator,this)}else{this.models.sort(_.bind(this.comparator,this))}if(!options.silent)this.trigger("sort",this,options);return this},sortedIndex:function(model,value,context){value||(value=this.comparator);var iterator=_.isFunction(value)?value:function(model){return model.get(value)};return _.sortedIndex(this.models,model,iterator,context)},pluck:function(attr){return _.invoke(this.models,"get",attr)},fetch:function(options){options=options?_.clone(options):{};if(options.parse===void 0)options.parse=true;var success=options.success;var collection=this;options.success=function(resp){var method=options.reset?"reset":"set";collection[method](resp,options);if(success)success(collection,resp,options);collection.trigger("sync",collection,resp,options)};wrapError(this,options);return this.sync("read",this,options)},create:function(model,options){options=options?_.clone(options):{};if(!(model=this._prepareModel(model,options)))return false;if(!options.wait)this.add(model,options);var collection=this;var success=options.success;options.success=function(resp){if(options.wait)collection.add(model,options);if(success)success(model,resp,options)};model.save(null,options);return model},parse:function(resp,options){return resp},clone:function(){return new this.constructor(this.models)},_reset:function(){this.length=0;this.models=[];this._byId={}},_prepareModel:function(attrs,options){if(attrs instanceof Model){if(!attrs.collection)attrs.collection=this;return attrs}options||(options={});options.collection=this;var model=new this.model(attrs,options);if(!model._validate(attrs,options)){this.trigger("invalid",this,attrs,options);return false}return model},_removeReference:function(model){if(this===model.collection)delete model.collection;model.off("all",this._onModelEvent,this)},_onModelEvent:function(event,model,collection,options){if((event==="add"||event==="remove")&&collection!==this)return;if(event==="destroy")this.remove(model,options);if(model&&event==="change:"+model.idAttribute){delete this._byId[model.previous(model.idAttribute)];if(model.id!=null)this._byId[model.id]=model}this.trigger.apply(this,arguments)}});var methods=["forEach","each","map","collect","reduce","foldl","inject","reduceRight","foldr","find","detect","filter","select","reject","every","all","some","any","include","contains","invoke","max","min","toArray","size","first","head","take","initial","rest","tail","drop","last","without","indexOf","shuffle","lastIndexOf","isEmpty","chain"];_.each(methods,function(method){Collection.prototype[method]=function(){var args=slice.call(arguments);args.unshift(this.models);return _[method].apply(_,args)}});var attributeMethods=["groupBy","countBy","sortBy"];_.each(attributeMethods,function(method){Collection.prototype[method]=function(value,context){var iterator=_.isFunction(value)?value:function(model){return model.get(value)};return _[method](this.models,iterator,context)}});var View=Backbone.View=function(options){this.cid=_.uniqueId("view");this._configure(options||{});this._ensureElement();this.initialize.apply(this,arguments);this.delegateEvents()};var delegateEventSplitter=/^(\S+)\s*(.*)$/;var viewOptions=["model","collection","el","id","attributes","className","tagName","events"];_.extend(View.prototype,Events,{tagName:"div",$:function(selector){return this.$el.find(selector)},initialize:function(){},render:function(){return this},remove:function(){this.$el.remove();this.stopListening();return this},setElement:function(element,delegate){if(this.$el)this.undelegateEvents();this.$el=element instanceof Backbone.$?element:Backbone.$(element);this.el=this.$el[0];if(delegate!==false)this.delegateEvents();return this},delegateEvents:function(events){if(!(events||(events=_.result(this,"events"))))return this;this.undelegateEvents();for(var key in events){var method=events[key];if(!_.isFunction(method))method=this[events[key]];if(!method)continue;var match=key.match(delegateEventSplitter);var eventName=match[1],selector=match[2];method=_.bind(method,this);eventName+=".delegateEvents"+this.cid;if(selector===""){this.$el.on(eventName,method)}else{this.$el.on(eventName,selector,method)}}return this},undelegateEvents:function(){this.$el.off(".delegateEvents"+this.cid);return this},_configure:function(options){if(this.options)options=_.extend({},_.result(this,"options"),options);_.extend(this,_.pick(options,viewOptions));this.options=options},_ensureElement:function(){if(!this.el){var attrs=_.extend({},_.result(this,"attributes"));if(this.id)attrs.id=_.result(this,"id");if(this.className)attrs["class"]=_.result(this,"className");var $el=Backbone.$("<"+_.result(this,"tagName")+">").attr(attrs);this.setElement($el,false)}else{this.setElement(_.result(this,"el"),false)}}});Backbone.sync=function(method,model,options){var type=methodMap[method];_.defaults(options||(options={}),{emulateHTTP:Backbone.emulateHTTP,emulateJSON:Backbone.emulateJSON});var params={type:type,dataType:"json"};if(!options.url){params.url=_.result(model,"url")||urlError()}if(options.data==null&&model&&(method==="create"||method==="update"||method==="patch")){params.contentType="application/json";params.data=JSON.stringify(options.attrs||model.toJSON(options))}if(options.emulateJSON){params.contentType="application/x-www-form-urlencoded";params.data=params.data?{model:params.data}:{}}if(options.emulateHTTP&&(type==="PUT"||type==="DELETE"||type==="PATCH")){params.type="POST";if(options.emulateJSON)params.data._method=type;var beforeSend=options.beforeSend;options.beforeSend=function(xhr){xhr.setRequestHeader("X-HTTP-Method-Override",type);if(beforeSend)return beforeSend.apply(this,arguments)}}if(params.type!=="GET"&&!options.emulateJSON){params.processData=false}if(params.type==="PATCH"&&window.ActiveXObject&&!(window.external&&window.external.msActiveXFilteringEnabled)){params.xhr=function(){return new ActiveXObject("Microsoft.XMLHTTP")}}var xhr=options.xhr=Backbone.ajax(_.extend(params,options));model.trigger("request",model,xhr,options);return xhr};var methodMap={create:"POST",update:"PUT",patch:"PATCH","delete":"DELETE",read:"GET"};Backbone.ajax=function(){return Backbone.$.ajax.apply(Backbone.$,arguments)};var Router=Backbone.Router=function(options){options||(options={});if(options.routes)this.routes=options.routes;this._bindRoutes();this.initialize.apply(this,arguments)};var optionalParam=/\((.*?)\)/g;var namedParam=/(\(\?)?:\w+/g;var splatParam=/\*\w+/g;var escapeRegExp=/[\-{}\[\]+?.,\\\^$|#\s]/g;_.extend(Router.prototype,Events,{initialize:function(){},route:function(route,name,callback){if(!_.isRegExp(route))route=this._routeToRegExp(route);if(_.isFunction(name)){callback=name;name=""}if(!callback)callback=this[name];var router=this;Backbone.history.route(route,function(fragment){var args=router._extractParameters(route,fragment);callback&&callback.apply(router,args);router.trigger.apply(router,["route:"+name].concat(args));router.trigger("route",name,args);Backbone.history.trigger("route",router,name,args)});return this},navigate:function(fragment,options){Backbone.history.navigate(fragment,options);return this},_bindRoutes:function(){if(!this.routes)return;this.routes=_.result(this,"routes");var route,routes=_.keys(this.routes);while((route=routes.pop())!=null){this.route(route,this.routes[route])}},_routeToRegExp:function(route){route=route.replace(escapeRegExp,"\\$&").replace(optionalParam,"(?:$1)?").replace(namedParam,function(match,optional){return optional?match:"([^/]+)"}).replace(splatParam,"(.*?)");return new RegExp("^"+route+"$")},_extractParameters:function(route,fragment){var params=route.exec(fragment).slice(1);return _.map(params,function(param){return param?decodeURIComponent(param):null})}});var History=Backbone.History=function(){this.handlers=[];_.bindAll(this,"checkUrl");if(typeof window!=="undefined"){this.location=window.location;this.history=window.history}};var routeStripper=/^[#\/]|\s+$/g;var rootStripper=/^\/+|\/+$/g;var isExplorer=/msie [\w.]+/;var trailingSlash=/\/$/;History.started=false;_.extend(History.prototype,Events,{interval:50,getHash:function(window){var match=(window||this).location.href.match(/#(.*)$/);return match?match[1]:""},getFragment:function(fragment,forcePushState){if(fragment==null){if(this._hasPushState||!this._wantsHashChange||forcePushState){fragment=this.location.pathname;var root=this.root.replace(trailingSlash,"");if(!fragment.indexOf(root))fragment=fragment.substr(root.length)}else{fragment=this.getHash()}}return fragment.replace(routeStripper,"")},start:function(options){if(History.started)throw new Error("Backbone.history has already been started");History.started=true;this.options=_.extend({},{root:"/"},this.options,options);this.root=this.options.root;this._wantsHashChange=this.options.hashChange!==false;this._wantsPushState=!!this.options.pushState;this._hasPushState=!!(this.options.pushState&&this.history&&this.history.pushState);var fragment=this.getFragment();var docMode=document.documentMode;var oldIE=isExplorer.exec(navigator.userAgent.toLowerCase())&&(!docMode||docMode<=7);this.root=("/"+this.root+"/").replace(rootStripper,"/");if(oldIE&&this._wantsHashChange){this.iframe=Backbone.$('<iframe src="javascript:0" tabindex="-1" />').hide().appendTo("body")[0].contentWindow;this.navigate(fragment)}if(this._hasPushState){Backbone.$(window).on("popstate",this.checkUrl)}else if(this._wantsHashChange&&"onhashchange"in window&&!oldIE){Backbone.$(window).on("hashchange",this.checkUrl)}else if(this._wantsHashChange){this._checkUrlInterval=setInterval(this.checkUrl,this.interval)}this.fragment=fragment;var loc=this.location;var atRoot=loc.pathname.replace(/[^\/]$/,"$&/")===this.root;if(this._wantsHashChange&&this._wantsPushState&&!this._hasPushState&&!atRoot){this.fragment=this.getFragment(null,true);this.location.replace(this.root+this.location.search+"#"+this.fragment);return true}else if(this._wantsPushState&&this._hasPushState&&atRoot&&loc.hash){this.fragment=this.getHash().replace(routeStripper,"");this.history.replaceState({},document.title,this.root+this.fragment+loc.search)}if(!this.options.silent)return this.loadUrl()},stop:function(){Backbone.$(window).off("popstate",this.checkUrl).off("hashchange",this.checkUrl);clearInterval(this._checkUrlInterval);History.started=false},route:function(route,callback){this.handlers.unshift({route:route,callback:callback})},checkUrl:function(e){var current=this.getFragment();if(current===this.fragment&&this.iframe){current=this.getFragment(this.getHash(this.iframe))}if(current===this.fragment)return false;if(this.iframe)this.navigate(current);this.loadUrl()||this.loadUrl(this.getHash())},loadUrl:function(fragmentOverride){var fragment=this.fragment=this.getFragment(fragmentOverride);var matched=_.any(this.handlers,function(handler){if(handler.route.test(fragment)){handler.callback(fragment);return true}});return matched},navigate:function(fragment,options){if(!History.started)return false;if(!options||options===true)options={trigger:options};fragment=this.getFragment(fragment||"");if(this.fragment===fragment)return;this.fragment=fragment;var url=this.root+fragment;if(this._hasPushState){this.history[options.replace?"replaceState":"pushState"]({},document.title,url)}else if(this._wantsHashChange){this._updateHash(this.location,fragment,options.replace);if(this.iframe&&fragment!==this.getFragment(this.getHash(this.iframe))){if(!options.replace)this.iframe.document.open().close();this._updateHash(this.iframe.location,fragment,options.replace)}}else{return this.location.assign(url)}if(options.trigger)this.loadUrl(fragment)},_updateHash:function(location,fragment,replace){if(replace){var href=location.href.replace(/(javascript:|#).*$/,"");location.replace(href+"#"+fragment)}else{location.hash="#"+fragment}}});Backbone.history=new History;var extend=function(protoProps,staticProps){var parent=this;var child;if(protoProps&&_.has(protoProps,"constructor")){child=protoProps.constructor}else{child=function(){return parent.apply(this,arguments)}}_.extend(child,parent,staticProps);var Surrogate=function(){this.constructor=child};Surrogate.prototype=parent.prototype;child.prototype=new Surrogate;if(protoProps)_.extend(child.prototype,protoProps);child.__super__=parent.prototype;return child};Model.extend=Collection.extend=Router.extend=View.extend=History.extend=extend;var urlError=function(){throw new Error('A "url" property or function must be specified')};var wrapError=function(model,options){var error=options.error;options.error=function(resp){if(error)error(model,resp,options);model.trigger("error",model,resp,options)}}}).call(this);
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kb.viewModel(obj,options)}if(obj instanceof kb.Collection){return kb.collectionObservable(obj,options)}if(_.isArray(obj)){return ko.observableArray(obj)}return ko.observable(obj)};utils.hasModelSignature=function(obj){return obj&&obj.attributes&&!obj.models&&typeof obj.get==="function"&&typeof obj.trigger==="function"};utils.hasCollectionSignature=function(obj){return obj&&obj.models&&typeof obj.get==="function"&&typeof obj.trigger==="function"};return utils}();kb.Factory=function(){Factory.useOptionsOrCreate=function(options,obj,owner_path){var factory;if(options.factory&&(!options.factories||options.factories&&options.factory.hasPathMappings(options.factories,owner_path))){return kb.utils.wrappedFactory(obj,options.factory)}factory=kb.utils.wrappedFactory(obj,new kb.Factory(options.factory));if(options.factories){factory.addPathMappings(options.factories,owner_path)}return factory};function Factory(parent_factory){this.parent_factory=parent_factory;this.paths={}}Factory.prototype.hasPath=function(path){return this.paths.hasOwnProperty(path)||this.parent_factory&&this.parent_factory.hasPath(path)};Factory.prototype.addPathMapping=function(path,create_info){return this.paths[path]=create_info};Factory.prototype.addPathMappings=function(factories,owner_path){var create_info,path;for(path in factories){create_info=factories[path];this.paths[kb.utils.pathJoin(owner_path,path)]=create_info}};Factory.prototype.hasPathMappings=function(factories,owner_path){var all_exist,creator,existing_creator,path;all_exist=true;for(path in factories){creator=factories[path];all_exist&=(existing_creator=this.creatorForPath(null,kb.utils.pathJoin(owner_path,path)))&&creator===existing_creator}return all_exist};Factory.prototype.creatorForPath=function(obj,path){var creator;if(creator=this.paths[path]){if(creator.view_model){return creator.view_model}else{return creator}}if(this.parent_factory){if(creator=this.parent_factory.creatorForPath(obj,path)){return creator}}return null};return Factory}();kb.Store=function(){Store.useOptionsOrCreate=function(options,obj,observable){if(options.store){options.store.register(obj,observable,options);return kb.utils.wrappedStore(observable,options.store)}else{kb.utils.wrappedStoreIsOwned(observable,true);return kb.utils.wrappedStore(observable,new kb.Store)}};function Store(){this.observable_records=[];this.replaced_observables=[]}Store.prototype.destroy=function(){return this.clear()};Store.prototype.clear=function(){var record,_i,_len,_ref;_ref=this.observable_records.splice(0,this.observable_records.length);for(_i=0,_len=_ref.length;_i<_len;_i++){record=_ref[_i];kb.release(record.observable)}kb.release(this.replaced_observables)};Store.prototype.register=function(obj,observable,options){var creator;if(!observable){return}if(ko.isObservable(observable)||observable.__kb_is_co){return}kb.utils.wrappedObject(observable,obj);obj||(observable.__kb_null=true);creator=options.creator?options.creator:options.path&&options.factory?options.factory.creatorForPath(obj,options.path):null;if(!creator){creator=observable.constructor}this.observable_records.push({obj:obj,observable:observable,creator:creator});return observable};Store.prototype.findIndex=function(obj,creator){var index,record,_ref;if(!obj||obj instanceof kb.Model){_ref=this.observable_records;for(index in _ref){record=_ref[index];if(!record.observable){continue}if(record.observable.__kb_released){record.obj=null;record.observable=null;continue}if(!obj&&!record.observable.__kb_null||obj&&(record.observable.__kb_null||record.obj!==obj)){continue}else if(record.creator===creator||record.creator.create&&record.creator.create===creator.create){return index}}}return-1};Store.prototype.find=function(obj,creator){var index;if((index=this.findIndex(obj,creator))<0){return null}else{return this.observable_records[index].observable}};Store.prototype.isRegistered=function(observable){var record,_i,_len,_ref;_ref=this.observable_records;for(_i=0,_len=_ref.length;_i<_len;_i++){record=_ref[_i];if(record.observable===observable){return true}}return false};Store.prototype.findOrCreate=function(obj,options){var creator,observable;options.store=this;options.creator||(options.creator=kb.utils.inferCreator(obj,options.factory,options.path));if(!options.creator&&obj instanceof kb.Model){options.creator=kv.ViewModel}creator=options.creator;if(!creator){return kb.utils.createFromDefaultCreator(obj,options)}else if(creator.models_only){return obj}if(creator){observable=this.find(obj,creator)}if(observable){return observable}if(creator.create){observable=creator.create(obj,options)}else{observable=new creator(obj,options)}observable||(observable=ko.observable(null));if(!ko.isObservable(observable)){this.isRegistered(observable)||this.register(obj,observable,options)}return observable};Store.prototype.findOrReplace=function(obj,creator,observable){var index,record;obj||_throwUnexpected(this,"obj missing");if((index=this.findIndex(obj,creator))<0){return this.register(obj,observable,{creator:creator})}else{record=this.observable_records[index];kb.utils.wrappedObject(record.observable)===obj||_throwUnexpected(this,"different object");if(record.observable!==observable){record.observable.constructor===observable.constructor||_throwUnexpected(this,"replacing different type");this.replaced_observables.push(record.observable);record.observable=observable}return observable}};return Store}();addStatisticsEvent=function(emitter,event_name,info){return!kb.statistics||kb.statistics.addModelEvent({name:event_name,emitter:emitter,key:info.key,path:info.path})};kb.EventWatcher=function(){EventWatcher.useOptionsOrCreate=function(options,emitter,obj,callback_options){if(options.event_watcher){if(!(options.event_watcher.emitter()===emitter||options.event_watcher.model_ref===emitter)){_throwUnexpected(this,"emitter not matching")}return kb.utils.wrappedEventWatcher(obj,options.event_watcher).registerCallbacks(obj,callback_options)}else{kb.utils.wrappedEventWatcherIsOwned(obj,true);return kb.utils.wrappedEventWatcher(obj,new kb.EventWatcher(emitter)).registerCallbacks(obj,callback_options)}};function EventWatcher(emitter,obj,callback_options){this._onModelUnloaded=__bind(this._onModelUnloaded,this);this._onModelLoaded=__bind(this._onModelLoaded,this);this.__kb||(this.__kb={});this.__kb.callbacks={};this.__kb._onModelLoaded=_.bind(this._onModelLoaded,this);this.__kb._onModelUnloaded=_.bind(this._onModelUnloaded,this);if(callback_options){this.registerCallbacks(obj,callback_options)}if(emitter){this.emitter(emitter)}else{this.ee=null}}EventWatcher.prototype.destroy=function(){this.emitter(null);this.__kb.callbacks=null;return kb.utils.wrappedDestroy(this)};EventWatcher.prototype.emitter=function(new_emitter){var callbacks,event_name,info,list,previous_emitter,_i,_len,_ref;if(arguments.length===0||this.ee===new_emitter){return this.ee}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}if(kb.Backbone&&kb.Backbone.ModelRef&&new_emitter instanceof kb.Backbone.ModelRef){this.model_ref=new_emitter;this.model_ref.retain();this.model_ref.bind("loaded",this.__kb._onModelLoaded);this.model_ref.bind("unloaded",this.__kb._onModelUnloaded);new_emitter=this.model_ref.model()}else{delete this.model_ref}previous_emitter=this.ee;this.ee=new_emitter;_ref=this.__kb.callbacks;for(event_name in _ref){callbacks=_ref[event_name];if(previous_emitter){previous_emitter.unbind(event_name,callbacks.fn)}if(new_emitter){this.ee.bind(event_name,callbacks.fn)}list=callbacks.list;for(_i=0,_len=list.length;_i<_len;_i++){info=list[_i];if(info.emitter){info.emitter(this.ee)}}}return new_emitter};EventWatcher.prototype.registerCallbacks=function(obj,callback_info){var callbacks,event_name,event_names,event_selector,info,list,_i,_len,_this=this;obj||_throwMissing(this,"obj");callback_info||_throwMissing(this,"info");event_selector=callback_info.event_selector?callback_info.event_selector:"change";event_names=event_selector.split(" ");for(_i=0,_len=event_names.length;_i<_len;_i++){event_name=event_names[_i];if(!event_name){continue}callbacks=this.__kb.callbacks[event_name];if(!callbacks){list=[];callbacks={list:list,fn:function(emitter){var info,_j,_len1;for(_j=0,_len1=list.length;_j<_len1;_j++){info=list[_j];if(info.update&&!info.rel_fn){if(emitter&&info.key&&emitter.hasChanged&&!emitter.hasChanged(_unwrapObservable(info.key))){continue}!kb.statistics||addStatisticsEvent(emitter,event_name,info);info.update()}}return null}};this.__kb.callbacks[event_name]=callbacks;if(this.ee){this.ee.bind(event_name,callbacks.fn)}}info=_.defaults({obj:obj},callback_info);callbacks.list.push(info)}if(this.ee){if(kb.Backbone&&kb.Backbone.RelationalModel&&this.ee instanceof kb.Backbone.RelationalModel&&_.contains(event_names,"change")){this._modelBindRelatationalInfo("change",info)}info.emitter(this.ee)&&info.emitter}};EventWatcher.prototype.releaseCallbacks=function(obj){var callbacks,event_name,index,info,_ref,_ref1;if(!this.__kb.callbacks){return}_ref=this.__kb.callbacks;for(event_name in _ref){callbacks=_ref[event_name];_ref1=callbacks.list;for(index in _ref1){info=_ref1[index];if(info.obj!==obj){continue}callbacks.list.splice(index,1);if(info.rel_fn){this._modelUnbindRelatationalInfo(event_name,info)}if(!kb.wasReleased(obj)&&info.emitter){info.emitter(null)}return}}};EventWatcher.prototype._onModelLoaded=function(model){var callbacks,event_name,info,is_relational,list,_i,_len,_ref;is_relational=kb.Backbone&&kb.Backbone.RelationalModel&&model instanceof kb.Backbone.RelationalModel;this.ee=model;_ref=this.__kb.callbacks;for(event_name in _ref){callbacks=_ref[event_name];this.ee.bind(event_name,callbacks.fn);list=callbacks.list;for(_i=0,_len=list.length;_i<_len;_i++){info=list[_i];if(is_relational){this._modelBindRelatationalInfo(event_name,info)}if(info.emitter){info.emitter(this.ee)}}}};EventWatcher.prototype._onModelUnloaded=function(model){var callbacks,event_name,info,list,_i,_len,_ref;this.ee=null;_ref=this.__kb.callbacks;for(event_name in _ref){callbacks=_ref[event_name];model.unbind(event_name,callbacks.fn);list=callbacks.list;for(_i=0,_len=list.length;_i<_len;_i++){info=list[_i];if(info.rel_fn){this._modelUnbindRelatationalInfo(event_name,info)}if(info.emitter){info.emitter(null)}}}};EventWatcher.prototype._modelBindRelatationalInfo=function(event_name,info){var key,relation;if(event_name==="change"&&info.key&&info.update){key=_unwrapObservable(info.key);relation=_.find(this.ee.getRelations(),function(test){return test.key===key});if(!relation){return}info.rel_fn=function(emitter){!kb.statistics||addStatisticsEvent(emitter,""+event_name+" (relational)",info);return info.update()};if(relation.collectionType||_.isArray(relation.keyContents)){info.is_collection=true;this.ee.bind("add:"+info.key,info.rel_fn);this.ee.bind("remove:"+info.key,info.rel_fn)}else{this.ee.bind(Backbone.Relation.prototype.sanitizeOptions?"update:"+info.key:"change:"+info.key,info.rel_fn)}}};EventWatcher.prototype._modelUnbindRelatationalInfo=function(event_name,info){if(!info.rel_fn){return}if(info.is_collection){this.ee.unbind("add:"+info.key,info.rel_fn);this.ee.unbind("remove:"+info.key,info.rel_fn)}else{this.ee.unbind(Backbone.Relation.prototype.sanitizeOptions?"update:"+info.key:"change:"+info.key,info.rel_fn)}info.rel_fn=null};return EventWatcher}();kb.emitterObservable=function(emitter,observable){return new kb.EventWatcher(emitter,observable)};kb.Observable=function(){function Observable(model,options,vm){var create_options,event_watcher,observable,_this=this;this.vm=vm;options||_throwMissing(this,"options");this.vm||(this.vm={});if(_.isString(options)||ko.isObservable(options)){create_options=this.create_options={key:options}}else{create_options=this.create_options=collapseOptions(options)}this.key=create_options.key;delete create_options.key;this.key||_throwMissing(this,"key");!create_options.args||(this.args=create_options.args,delete create_options.args);!create_options.read||(this.read=create_options.read,delete create_options.read);!create_options.write||(this.write=create_options.write,delete create_options.write);event_watcher=create_options.event_watcher;delete create_options.event_watcher;this.vo=ko.observable(null);this._model=ko.observable();observable=kb.utils.wrappedObservable(this,ko.dependentObservable({read:function(){var arg,args,new_value,_i,_len,_ref;args=[_unwrapObservable(_this.key)];if(_this.args){if(_.isArray(_this.args)){_ref=_this.args;for(_i=0,_len=_ref.length;_i<_len;_i++){arg=_ref[_i];args.push(_unwrapObservable(arg))}}else{args.push(_unwrapObservable(_this.args))}}if(_this._mdl===_this._model()&&_this._mdl){new_value=_this.read?_this.read.apply(_this.vm,args):_this._mdl.get.apply(_this._mdl,args);_this.update(new_value)}return _unwrapObservable(_this.vo())},write:function(new_value){var arg,args,set_info,unwrapped_new_value,_i,_len,_ref;unwrapped_new_value=_unwrapModels(new_value);set_info={};set_info[_unwrapObservable(_this.key)]=unwrapped_new_value;args=_this.write?[unwrapped_new_value]:[set_info];if(_this.args){if(_.isArray(_this.args)){_ref=_this.args;for(_i=0,_len=_ref.length;_i<_len;_i++){arg=_ref[_i];args.push(_unwrapObservable(arg))}}else{args.push(_unwrapObservable(_this.args))}}if(_this._mdl){if(_this.write){_this.write.apply(_this.vm,args)}else{_this._mdl.set.apply(_this._mdl,args)}}return _this.update(new_value)},owner:this.vm}));observable.__kb_is_o=true;create_options.store=kb.utils.wrappedStore(observable,create_options.store);create_options.path=kb.utils.pathJoin(create_options.path,this.key);if(create_options.factories&&(typeof create_options.factories==="function"||create_options.factories.create)){create_options.factory=kb.utils.wrappedFactory(observable,new kb.Factory(create_options.factory));create_options.factory.addPathMapping(create_options.path,create_options.factories)}else{create_options.factory=kb.Factory.useOptionsOrCreate(create_options,observable,create_options.path)}delete create_options.factories;observable.value=_.bind(this.value,this);observable.valueType=_.bind(this.valueType,this);observable.destroy=_.bind(this.destroy,this);observable.model=this.model=ko.dependentObservable({read:function(){_this._model();return _this._mdl},write:function(new_model){if(_this.__kb_released||_this._mdl===new_model){return}_this._mdl=new_model;_this.update(null);return _this._model(new_model)}});kb.EventWatcher.useOptionsOrCreate({event_watcher:event_watcher},model,this,{emitter:this.model,update:_.bind(this.update,this),key:this.key,path:create_options.path});this.__kb_value||this.update();if(kb.LocalizedObservable&&create_options.localizer){observable=new create_options.localizer(observable);delete create_options.localizer}if(kb.DefaultObservable&&create_options.hasOwnProperty("default")){observable=kb.defaultObservable(observable,create_options["default"]);delete create_options["default"]}return observable}Observable.prototype.destroy=function(){var observable;observable=kb.utils.wrappedObservable(this);this.__kb_released=true;kb.release(this.__kb_value);this.__kb_value=null;this.model.dispose();this._mdl=this.model=observable.model=null;return kb.utils.wrappedDestroy(this)};Observable.prototype.value=function(){return this.__kb_value};Observable.prototype.valueType=function(){var new_value;new_value=this._mdl?this._mdl.get(this.key):null;this.value_type||this._updateValueObservable(new_value);return this.value_type};Observable.prototype.update=function(new_value){var new_type,value;if(this.__kb_released){return}if(this._mdl&&!arguments.length){new_value=this._mdl.get(_unwrapObservable(this.key))}new_value!==void 0||(new_value=null);new_type=kb.utils.valueType(new_value);if(!this.__kb_value||this.__kb_value.__kb_released||this.__kb_value.__kb_null&&new_value){this.__kb_value=void 0;this.value_type=void 0}value=this.__kb_value;if(_.isUndefined(this.value_type)||this.value_type!==new_type&&new_type!==KB_TYPE_UNKNOWN){if(this.value_type===KB_TYPE_COLLECTION&&new_type===KB_TYPE_ARRAY){return value(new_value)}else{return this._updateValueObservable(new_value)}}else if(this.value_type===KB_TYPE_MODEL){if(typeof value.model==="function"){if(value.model()!==new_value){return value.model(new_value)}}else if(kb.utils.wrappedObject(value)!==new_value){return this._updateValueObservable(new_value)}}else if(this.value_type===KB_TYPE_COLLECTION){if(value.collection()!==new_value){return value.collection(new_value)}}else{if(value()!==new_value){return value(new_value)}}};Observable.prototype._updateValueObservable=function(new_value){var create_options,creator,previous_value,value;create_options=this.create_options;create_options.creator=kb.utils.inferCreator(new_value,create_options.factory,create_options.path,this._mdl,this.key);this.value_type=KB_TYPE_UNKNOWN;creator=create_options.creator;previous_value=this.__kb_value;this.__kb_value=void 0;if(previous_value){kb.release(previous_value)}if(creator){if(create_options.store){value=create_options.store.findOrCreate(new_value,create_options)}else{if(creator.models_only){value=new_value;this.value_type=KB_TYPE_SIMPLE}else if(creator.create){value=creator.create(new_value,create_options)}else{value=new creator(new_value,create_options)}}}else{if(_.isArray(new_value)){this.value_type=KB_TYPE_ARRAY;value=ko.observableArray(new_value)}else{this.value_type=KB_TYPE_SIMPLE;value=ko.observable(new_value)}}if(this.value_type===KB_TYPE_UNKNOWN){if(!ko.isObservable(value)){this.value_type=KB_TYPE_MODEL;if(typeof value.model!=="function"){kb.utils.wrappedObject(value,new_value)}}else if(value.__kb_is_co){this.value_type=KB_TYPE_COLLECTION}else{this.value_type=KB_TYPE_SIMPLE}}this.__kb_value=value;return this.vo(value)};return Observable}();kb.observable=function(model,options,view_model){return new kb.Observable(model,options,view_model)};kb.ViewModel=function(){ViewModel.extend=kb.extend;function ViewModel(model,options,view_model){var attribute_keys,bb_model,event_watcher,keys,mapped_keys,mapping_info,vm_key,_mdl,_ref,_this=this;!model||model instanceof kb.Model||typeof model.get==="function"&&typeof model.bind==="function"||_throwUnexpected(this,"not a model");options||(options={});view_model||(view_model={});if(_.isArray(options)){options={keys:options}}else{options=collapseOptions(options)}this.__kb||(this.__kb={});this.__kb.vm_keys={};this.__kb.model_keys={};this.__kb.view_model=_.isUndefined(view_model)?this:view_model;!options.internals||(this.__kb.internals=options.internals);!options.excludes||(this.__kb.excludes=options.excludes);kb.Store.useOptionsOrCreate(options,model,this);this.__kb.path=options.path;kb.Factory.useOptionsOrCreate(options,this,options.path);_mdl=_wrappedKey(this,"_mdl",ko.observable());this.model=ko.dependentObservable({read:function(){_mdl();return kb.utils.wrappedObject(_this)},write:function(new_model){var event_watcher,missing;if(kb.utils.wrappedObject(_this)===new_model){return}if(_this.__kb_null){!new_model||_throwUnexpected(_this,"model set on shared null");return}kb.utils.wrappedObject(_this,new_model);event_watcher=kb.utils.wrappedEventWatcher(_this);if(!event_watcher){_mdl(new_model);return}event_watcher.emitter(new_model);if(!(_this.__kb.keys||!new_model||!new_model.attributes)){missing=_.difference(_.keys(new_model.attributes),_.keys(_this.__kb.model_keys));if(missing){_this._createObservables(new_model,missing)}}_mdl(new_model)}});event_watcher=kb.utils.wrappedEventWatcher(this,new kb.EventWatcher(model,this,{emitter:this.model}));if(options.requires&&_.isArray(options.requires)){keys=_.clone(options.requires)}if(this.__kb.internals){keys=keys?_.union(keys,this.__kb.internals):_.clone(this.__kb.internals)}if(options.keys){if(_.isArray(options.keys)){this.__kb.keys=options.keys;keys=keys?_.union(keys,options.keys):_.clone(options.keys)}else{mapped_keys={};_ref=options.keys;for(vm_key in _ref){mapping_info=_ref[vm_key];mapped_keys[_.isString(mapping_info)?mapping_info:mapping_info.key?mapping_info.key:vm_key]=true}this.__kb.keys=_.keys(mapped_keys)}}else{bb_model=event_watcher.emitter();if(bb_model&&bb_model.attributes){attribute_keys=_.keys(bb_model.attributes);keys=keys?_.union(keys,attribute_keys):attribute_keys}}if(keys&&this.__kb.excludes){keys=_.difference(keys,this.__kb.excludes)}if(_.isObject(options.keys)&&!_.isArray(options.keys)){this._mapObservables(model,options.keys)}if(_.isObject(options.requires)&&!_.isArray(options.requires)){this._mapObservables(model,options.requires)}!options.mappings||this._mapObservables(model,options.mappings);!keys||this._createObservables(model,keys);!kb.statistics||kb.statistics.register("ViewModel",this)}ViewModel.prototype.destroy=function(){var vm_key;if(this.__kb.view_model!==this){for(vm_key in this.__kb.vm_keys){this.__kb.view_model[vm_key]=null}}this.__kb.view_model=null;kb.releaseKeys(this);kb.utils.wrappedDestroy(this);return!kb.statistics||kb.statistics.unregister("ViewModel",this)};ViewModel.prototype.shareOptions=function(){return{store:kb.utils.wrappedStore(this),factory:kb.utils.wrappedFactory(this)}};ViewModel.prototype._createObservables=function(model,keys){var create_options,key,vm_key,_i,_len;create_options={store:kb.utils.wrappedStore(this),factory:kb.utils.wrappedFactory(this),path:this.__kb.path,event_watcher:kb.utils.wrappedEventWatcher(this)};for(_i=0,_len=keys.length;_i<_len;_i++){key=keys[_i];vm_key=this.__kb.internals&&_.contains(this.__kb.internals,key)?"_"+key:key;if(this[vm_key]){continue}this.__kb.vm_keys[vm_key]=true;this.__kb.model_keys[key]=true;create_options.key=key;this[vm_key]=this.__kb.view_model[vm_key]=kb.observable(model,create_options,this)}};ViewModel.prototype._mapObservables=function(model,mappings){var create_options,mapping_info,vm_key;create_options={store:kb.utils.wrappedStore(this),factory:kb.utils.wrappedFactory(this),path:this.__kb.path,event_watcher:kb.utils.wrappedEventWatcher(this)};for(vm_key in mappings){mapping_info=mappings[vm_key];if(this[vm_key]){continue}mapping_info=_.isString(mapping_info)?{key:mapping_info}:_.clone(mapping_info);mapping_info.key||(mapping_info.key=vm_key);this.__kb.vm_keys[vm_key]=true;this.__kb.model_keys[mapping_info.key]=true;this[vm_key]=this.__kb.view_model[vm_key]=kb.observable(model,_.defaults(mapping_info,create_options),this)}};return ViewModel}();kb.viewModel=function(model,options,view_model){return new kb.ViewModel(model,options,view_model)};COMPARE_EQUAL=0;COMPARE_ASCENDING=-1;COMPARE_DESCENDING=1;kb.compare=function(value_a,value_b){if(_.isString(value_a)){return value_a.localeCompare(""+value_b)}if(_.isString(value_b)){return value_b.localeCompare(""+value_a)}if(value_a===value_b){return COMPARE_EQUAL}else{if(value_a<value_b){return COMPARE_ASCENDING}else{return COMPARE_DESCENDING}}};kb.CollectionObservable=function(){CollectionObservable.extend=kb.extend;function CollectionObservable(collection,options){var create_options,observable,_this=this;
!collection||collection instanceof kb.Collection||_throwUnexpected(this,"not a collection");options||(options={});observable=kb.utils.wrappedObservable(this,ko.observableArray([]));observable.__kb_is_co=true;this.in_edit=0;this.__kb||(this.__kb={});this.__kb._onCollectionChange=_.bind(this._onCollectionChange,this);options=collapseOptions(options);if(options.sort_attribute){this._comparator=ko.observable(this._attributeComparator(options.sort_attribute))}else{this._comparator=ko.observable(options.comparator)}if(options.filters){this._filters=ko.observableArray(_.isArray(options.filters)?options.filters:options.filters?[options.filters]:void 0)}else{this._filters=ko.observableArray([])}create_options=this.create_options={store:kb.Store.useOptionsOrCreate(options,collection,observable)};this.path=options.path;create_options.factory=kb.utils.wrappedFactory(observable,this._shareOrCreateFactory(options));create_options.path=kb.utils.pathJoin(options.path,"models");create_options.creator=create_options.factory.creatorForPath(null,create_options.path);if(create_options.creator){this.models_only=create_options.creator.models_only}observable.destroy=_.bind(this.destroy,this);observable.shareOptions=_.bind(this.shareOptions,this);observable.filters=_.bind(this.filters,this);observable.comparator=_.bind(this.comparator,this);observable.sortAttribute=_.bind(this.sortAttribute,this);observable.viewModelByModel=_.bind(this.viewModelByModel,this);observable.hasViewModels=_.bind(this.hasViewModels,this);this._collection=ko.observable(collection);observable.collection=this.collection=ko.dependentObservable({read:function(){return _this._collection()},write:function(new_collection){var previous_collection;if((previous_collection=_this._collection())===new_collection){return}if(previous_collection){previous_collection.unbind("all",_this.__kb._onCollectionChange)}if(new_collection){new_collection.bind("all",_this.__kb._onCollectionChange)}return _this._collection(new_collection)}});if(collection){collection.bind("all",this.__kb._onCollectionChange)}this._mapper=ko.dependentObservable(function(){var comparator,current_collection,filter,filters,models,view_models,_i,_len;comparator=_this._comparator();filters=_this._filters();if(filters){for(_i=0,_len=filters.length;_i<_len;_i++){filter=filters[_i];_unwrapObservable(filter)}}current_collection=_this._collection();if(_this.in_edit){return}observable=kb.utils.wrappedObservable(_this);if(current_collection){models=current_collection.models}if(!models||current_collection.models.length===0){view_models=[]}else{if(filters.length){models=_.filter(models,function(model){return!_this._modelIsFiltered(model)})}if(comparator){view_models=_.map(models,function(model){return _this._createViewModel(model)}).sort(comparator)}else{if(_this.models_only){view_models=filters.length?models:models.slice()}else{view_models=_.map(models,function(model){return _this._createViewModel(model)})}}}_this.in_edit++;observable(view_models);return _this.in_edit--});observable.subscribe(_.bind(this._onObservableArrayChange,this));!kb.statistics||kb.statistics.register("CollectionObservable",this);return observable}CollectionObservable.prototype.destroy=function(){var array,collection,observable;observable=kb.utils.wrappedObservable(this);collection=this._collection();if(collection){collection.unbind("all",this.__kb._onCollectionChange);array=observable();array.splice(0,array.length)}this._mapper.dispose();this._mapper=null;kb.release(this._filters);this._comparator(null);this.collection.dispose();observable.collection=this.collection=null;observable.collection=null;kb.utils.wrappedDestroy(this);return!kb.statistics||kb.statistics.unregister("CollectionObservable",this)};CollectionObservable.prototype.shareOptions=function(){var observable;observable=kb.utils.wrappedObservable(this);return{store:kb.utils.wrappedStore(observable),factory:kb.utils.wrappedFactory(observable)}};CollectionObservable.prototype.filters=function(filters){if(filters){return this._filters(_.isArray(filters)?filters:[filters])}else{return this._filters([])}};CollectionObservable.prototype.comparator=function(comparator){return this._comparator(comparator)};CollectionObservable.prototype.sortAttribute=function(sort_attribute){return this._comparator(sort_attribute?this._attributeComparator(sort_attribute):null)};CollectionObservable.prototype.viewModelByModel=function(model){var id_attribute;if(this.models_only){return null}id_attribute=model.hasOwnProperty(model.idAttribute)?model.idAttribute:"cid";return _.find(kb.utils.wrappedObservable(this)(),function(test){var _ref;if(test!=null?(_ref=test.__kb)!=null?_ref.object:void 0:void 0){return test.__kb.object[id_attribute]===model[id_attribute]}else{return false}})};CollectionObservable.prototype.hasViewModels=function(){return!this.models_only};CollectionObservable.prototype._shareOrCreateFactory=function(options){var absolute_models_path,existing_creator,factories,factory;absolute_models_path=kb.utils.pathJoin(options.path,"models");factories=options.factories;if(factory=options.factory){if((existing_creator=factory.creatorForPath(null,absolute_models_path))&&(!factories||factories["models"]===existing_creator)){if(!factories){return factory}if(factory.hasPathMappings(factories,options.path)){return factory}}}factory=new kb.Factory(options.factory);if(factories){factory.addPathMappings(factories,options.path)}if(!factory.creatorForPath(null,absolute_models_path)){if(options.hasOwnProperty("models_only")){if(options.models_only){factory.addPathMapping(absolute_models_path,{models_only:true})}else{factory.addPathMapping(absolute_models_path,kb.ViewModel)}}else if(options.view_model){factory.addPathMapping(absolute_models_path,options.view_model)}else if(options.create){factory.addPathMapping(absolute_models_path,{create:options.create})}else{factory.addPathMapping(absolute_models_path,kb.ViewModel)}}return factory};CollectionObservable.prototype._onCollectionChange=function(event,arg){var collection,comparator,observable,view_model;if(this.in_edit){return}switch(event){case"reset":case"resort":this._collection.notifySubscribers(this._collection());break;case"new":case"add":if(this._modelIsFiltered(arg)){return}observable=kb.utils.wrappedObservable(this);collection=this._collection();if(view_model=this.viewModelByModel(arg)){return}this.in_edit++;view_model=this._createViewModel(arg);if(comparator=this._comparator()){observable().push(view_model);observable.sort(comparator)}else{observable.splice(collection.indexOf(arg),0,view_model)}this.in_edit--;break;case"remove":case"destroy":this._onModelRemove(arg);break;case"change":if(this._modelIsFiltered(arg)){this._onModelRemove(arg)}else{view_model=this.models_only?arg:this.viewModelByModel(arg);if(view_model){if(comparator=this._comparator()){observable=kb.utils.wrappedObservable(this);this.in_edit++;observable.sort(comparator);this.in_edit--}}else{this._onCollectionChange("add",arg)}}}};CollectionObservable.prototype._onModelRemove=function(model){var observable,view_model;view_model=this.models_only?model:this.viewModelByModel(model);if(!view_model){return}observable=kb.utils.wrappedObservable(this);this.in_edit++;observable.remove(view_model);return this.in_edit--};CollectionObservable.prototype._onObservableArrayChange=function(models_or_view_models){var collection,has_filters,model,models,observable,view_model,view_models,_i,_len,_this=this;if(this.in_edit){return}this.models_only&&(!models_or_view_models.length||kb.utils.hasModelSignature(models_or_view_models[0]))||!this.models_only&&(!models_or_view_models.length||_.isObject(models_or_view_models[0])&&!kb.utils.hasModelSignature(models_or_view_models[0]))||_throwUnexpected(this,"incorrect type passed");observable=kb.utils.wrappedObservable(this);collection=this._collection();has_filters=this._filters().length;if(!collection){return}view_models=models_or_view_models;if(this.models_only){if(has_filters){models=_.filter(models_or_view_models,function(model){return!_this._modelIsFiltered(model)})}}else{!has_filters||(view_models=[]);models=[];for(_i=0,_len=models_or_view_models.length;_i<_len;_i++){view_model=models_or_view_models[_i];model=kb.utils.wrappedObject(view_model);if(has_filters){if(this._modelIsFiltered(model)){continue}view_models.push(view_model)}this.create_options.store.findOrReplace(model,this.create_options.creator,view_model);models.push(model)}}this.in_edit++;models_or_view_models.length===view_models.length||observable(view_models);_.isEqual(collection.models,models)||collection.reset(models);this.in_edit--};CollectionObservable.prototype._attributeComparator=function(sort_attribute){var modelAttributeCompare;modelAttributeCompare=function(model_a,model_b){var attribute_name;attribute_name=_unwrapObservable(sort_attribute);return kb.compare(model_a.get(attribute_name),model_b.get(attribute_name))};return this.models_only?modelAttributeCompare:function(model_a,model_b){return modelAttributeCompare(kb.utils.wrappedModel(model_a),kb.utils.wrappedModel(model_b))}};CollectionObservable.prototype._createViewModel=function(model){if(this.models_only){return model}else{return this.create_options.store.findOrCreate(model,this.create_options)}};CollectionObservable.prototype._modelIsFiltered=function(model){var filter,filters,_i,_len;filters=this._filters();for(_i=0,_len=filters.length;_i<_len;_i++){filter=filters[_i];filter=_unwrapObservable(filter);if(typeof filter==="function"&&filter(model)||model&&model.id===filter){return true}}return false};return CollectionObservable}();kb.collectionObservable=function(collection,options){return new kb.CollectionObservable(collection,options)};ko.bindingHandlers["inject"]={init:function(element,value_accessor,all_bindings_accessor,view_model){return kb.Inject.inject(_unwrapObservable(value_accessor()),view_model,element,value_accessor,all_bindings_accessor)}};kb.Inject=function(){function Inject(){}Inject.inject=function(data,view_model,element,value_accessor,all_bindings_accessor,nested){var inject,result,wrapper;inject=function(data){var key,target,value;if(_.isFunction(data)){view_model=new data(view_model,element,value_accessor,all_bindings_accessor);kb.releaseOnNodeRemove(view_model,element)}else{if(data.view_model){view_model=new data.view_model(view_model,element,value_accessor,all_bindings_accessor);kb.releaseOnNodeRemove(view_model,element)}for(key in data){value=data[key];if(key==="view_model"){continue}if(key==="create"){value(view_model,element,value_accessor,all_bindings_accessor)}else if(_.isObject(value)&&!_.isFunction(value)){target=nested||value&&value.create?{}:view_model;view_model[key]=kb.Inject.inject(value,target,element,value_accessor,all_bindings_accessor,true)}else{view_model[key]=value}}}return view_model};if(nested){return inject(data)}else{result=(wrapper=ko.dependentObservable(function(){return inject(data)}))();wrapper.dispose();return result}};Inject.injectViewModels=function(root){var afterBinding,app,beforeBinding,data,expression,findElements,options,results,_i,_len;results=[];findElements=function(el){var attr,child_el,_i,_len,_ref;if(!el.__kb_injected){if(el.attributes&&(attr=_.find(el.attributes,function(attr){return attr.name==="kb-inject"}))){el.__kb_injected=true;results.push({el:el,view_model:{},binding:attr.value})}}_ref=el.childNodes;for(_i=0,_len=_ref.length;_i<_len;_i++){child_el=_ref[_i];findElements(child_el)}};findElements(root||document);for(_i=0,_len=results.length;_i<_len;_i++){app=results[_i];if(expression=app.binding){expression.search(/[:]/)<0||(expression="{"+expression+"}");data=new Function("","return ( "+expression+" )")();data||(data={});!data.options||(options=data.options,delete data.options);options||(options={});app.view_model=kb.Inject.inject(data,app.view_model,app.el,null,null,true);afterBinding=app.view_model.afterBinding||options.afterBinding;beforeBinding=app.view_model.beforeBinding||options.beforeBinding}if(beforeBinding){beforeBinding(app.view_model,app.el,options)}kb.applyBindings(app.view_model,app.el,options);if(afterBinding){afterBinding(app.view_model,app.el,options)}}return results};return Inject}();kb.injectViewModels=kb.Inject.injectViewModels;if(this.$){this.$(function(){return kb.injectViewModels()})}else{(onReady=function(){if(document.readyState!=="complete"){return setTimeout(onReady,0)}return kb.injectViewModels()})()}return kb})}).call(this);