libjs-backbone 1.3.3~dfsg-1 / usr / share / javascript / backbone / backbone.min.js

(function(factory){var root=typeof self=="object"&&self.self===self&&self||typeof global=="object"&&global.global===global&&global;if(typeof define==="function"&&define.amd){define(["underscore","jquery","exports"],function(_,$,exports){root.Backbone=factory(root,exports,_,$)})}else if(typeof exports!=="undefined"){var _=require("underscore"),$;try{$=require("jquery")}catch(e){}factory(root,exports,_,$)}else{root.Backbone=factory(root,{},root._,root.jQuery||root.Zepto||root.ender||root.$)}})(function(root,Backbone,_,$){var previousBackbone=root.Backbone;var slice=Array.prototype.slice;Backbone.VERSION="1.3.3";Backbone.$=$;Backbone.noConflict=function(){root.Backbone=previousBackbone;return this};Backbone.emulateHTTP=false;Backbone.emulateJSON=false;var addMethod=function(length,method,attribute){switch(length){case 1:return function(){return _[method](this[attribute])};case 2:return function(value){return _[method](this[attribute],value)};case 3:return function(iteratee,context){return _[method](this[attribute],cb(iteratee,this),context)};case 4:return function(iteratee,defaultVal,context){return _[method](this[attribute],cb(iteratee,this),defaultVal,context)};default:return function(){var args=slice.call(arguments);args.unshift(this[attribute]);return _[method].apply(_,args)}}};var addUnderscoreMethods=function(Class,methods,attribute){_.each(methods,function(length,method){if(_[method])Class.prototype[method]=addMethod(length,method,attribute)})};var cb=function(iteratee,instance){if(_.isFunction(iteratee))return iteratee;if(_.isObject(iteratee)&&!instance._isModel(iteratee))return modelMatcher(iteratee);if(_.isString(iteratee))return function(model){return model.get(iteratee)};return iteratee};var modelMatcher=function(attrs){var matcher=_.matches(attrs);return function(model){return matcher(model.attributes)}};var Events=Backbone.Events={};var eventSplitter=/\s+/;var eventsApi=function(iteratee,events,name,callback,opts){var i=0,names;if(name&&typeof name==="object"){if(callback!==void 0&&"context"in opts&&opts.context===void 0)opts.context=callback;for(names=_.keys(name);i<names.length;i++){events=eventsApi(iteratee,events,names[i],name[names[i]],opts)}}else if(name&&eventSplitter.test(name)){for(names=name.split(eventSplitter);i<names.length;i++){events=iteratee(events,names[i],callback,opts)}}else{events=iteratee(events,name,callback,opts)}return events};Events.on=function(name,callback,context){return internalOn(this,name,callback,context)};var internalOn=function(obj,name,callback,context,listening){obj._events=eventsApi(onApi,obj._events||{},name,callback,{context:context,ctx:obj,listening:listening});if(listening){var listeners=obj._listeners||(obj._listeners={});listeners[listening.id]=listening}return obj};Events.listenTo=function(obj,name,callback){if(!obj)return this;var id=obj._listenId||(obj._listenId=_.uniqueId("l"));var listeningTo=this._listeningTo||(this._listeningTo={});var listening=listeningTo[id];if(!listening){var thisId=this._listenId||(this._listenId=_.uniqueId("l"));listening=listeningTo[id]={obj:obj,objId:id,id:thisId,listeningTo:listeningTo,count:0}}internalOn(obj,name,callback,this,listening);return this};var onApi=function(events,name,callback,options){if(callback){var handlers=events[name]||(events[name]=[]);var context=options.context,ctx=options.ctx,listening=options.listening;if(listening)listening.count++;handlers.push({callback:callback,context:context,ctx:context||ctx,listening:listening})}return events};Events.off=function(name,callback,context){if(!this._events)return this;this._events=eventsApi(offApi,this._events,name,callback,{context:context,listeners:this._listeners});return this};Events.stopListening=function(obj,name,callback){var listeningTo=this._listeningTo;if(!listeningTo)return this;var ids=obj?[obj._listenId]:_.keys(listeningTo);for(var i=0;i<ids.length;i++){var listening=listeningTo[ids[i]];if(!listening)break;listening.obj.off(name,callback,this)}return this};var offApi=function(events,name,callback,options){if(!events)return;var i=0,listening;var context=options.context,listeners=options.listeners;if(!name&&!callback&&!context){var ids=_.keys(listeners);for(;i<ids.length;i++){listening=listeners[ids[i]];delete listeners[listening.id];delete listening.listeningTo[listening.objId]}return}var names=name?[name]:_.keys(events);for(;i<names.length;i++){name=names[i];var handlers=events[name];if(!handlers)break;var remaining=[];for(var j=0;j<handlers.length;j++){var handler=handlers[j];if(callback&&callback!==handler.callback&&callback!==handler.callback._callback||context&&context!==handler.context){remaining.push(handler)}else{listening=handler.listening;if(listening&&--listening.count===0){delete listeners[listening.id];delete listening.listeningTo[listening.objId]}}}if(remaining.length){events[name]=remaining}else{delete events[name]}}return events};Events.once=function(name,callback,context){var events=eventsApi(onceMap,{},name,callback,_.bind(this.off,this));if(typeof name==="string"&&context==null)callback=void 0;return this.on(events,callback,context)};Events.listenToOnce=function(obj,name,callback){var events=eventsApi(onceMap,{},name,callback,_.bind(this.stopListening,this,obj));return this.listenTo(obj,events)};var onceMap=function(map,name,callback,offer){if(callback){var once=map[name]=_.once(function(){offer(name,once);callback.apply(this,arguments)});once._callback=callback}return map};Events.trigger=function(name){if(!this._events)return this;var length=Math.max(0,arguments.length-1);var args=Array(length);for(var i=0;i<length;i++)args[i]=arguments[i+1];eventsApi(triggerApi,this._events,name,void 0,args);return this};var triggerApi=function(objEvents,name,callback,args){if(objEvents){var events=objEvents[name];var allEvents=objEvents.all;if(events&&allEvents)allEvents=allEvents.slice();if(events)triggerEvents(events,args);if(allEvents)triggerEvents(allEvents,[name].concat(args))}return objEvents};var triggerEvents=function(events,args){var ev,i=-1,l=events.length,a1=args[0],a2=args[1],a3=args[2];switch(args.length){case 0:while(++i<l)(ev=events[i]).callback.call(ev.ctx);return;case 1:while(++i<l)(ev=events[i]).callback.call(ev.ctx,a1);return;case 2:while(++i<l)(ev=events[i]).callback.call(ev.ctx,a1,a2);return;case 3:while(++i<l)(ev=events[i]).callback.call(ev.ctx,a1,a2,a3);return;default:while(++i<l)(ev=events[i]).callback.apply(ev.ctx,args);return}};Events.bind=Events.on;Events.unbind=Events.off;_.extend(Backbone,Events);var Model=Backbone.Model=function(attributes,options){var attrs=attributes||{};options||(options={});this.cid=_.uniqueId(this.cidPrefix);this.attributes={};if(options.collection)this.collection=options.collection;if(options.parse)attrs=this.parse(attrs,options)||{};var defaults=_.result(this,"defaults");attrs=_.defaults(_.extend({},defaults,attrs),defaults);this.set(attrs,options);this.changed={};this.initialize.apply(this,arguments)};_.extend(Model.prototype,Events,{changed:null,validationError:null,idAttribute:"id",cidPrefix:"c",initialize:function(){},toJSON:function(options){return _.clone(this.attributes)},sync:function(){return Backbone.sync.apply(this,arguments)},get:function(attr){return this.attributes[attr]},escape:function(attr){return _.escape(this.get(attr))},has:function(attr){return this.get(attr)!=null},matches:function(attrs){return!!_.iteratee(attrs,this)(this.attributes)},set:function(key,val,options){if(key==null)return this;var attrs;if(typeof key==="object"){attrs=key;options=val}else{(attrs={})[key]=val}options||(options={});if(!this._validate(attrs,options))return false;var unset=options.unset;var silent=options.silent;var changes=[];var changing=this._changing;this._changing=true;if(!changing){this._previousAttributes=_.clone(this.attributes);this.changed={}}var current=this.attributes;var changed=this.changed;var prev=this._previousAttributes;for(var attr in attrs){val=attrs[attr];if(!_.isEqual(current[attr],val))changes.push(attr);if(!_.isEqual(prev[attr],val)){changed[attr]=val}else{delete changed[attr]}unset?delete current[attr]:current[attr]=val}if(this.idAttribute in attrs)this.id=this.get(this.idAttribute);if(!silent){if(changes.length)this._pending=options;for(var i=0;i<changes.length;i++){this.trigger("change:"+changes[i],this,current[changes[i]],options)}}if(changing)return this;if(!silent){while(this._pending){options=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 old=this._changing?this._previousAttributes:this.attributes;var changed={};for(var attr in diff){var val=diff[attr];if(_.isEqual(old[attr],val))continue;changed[attr]=val}return _.size(changed)?changed:false},previous:function(attr){if(attr==null||!this._previousAttributes)return null;return this._previousAttributes[attr]},previousAttributes:function(){return _.clone(this._previousAttributes)},fetch:function(options){options=_.extend({parse:true},options);var model=this;var success=options.success;options.success=function(resp){var serverAttrs=options.parse?model.parse(resp,options):resp;if(!model.set(serverAttrs,options))return false;if(success)success.call(options.context,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;if(key==null||typeof key==="object"){attrs=key;options=val}else{(attrs={})[key]=val}options=_.extend({validate:true,parse:true},options);var wait=options.wait;if(attrs&&!wait){if(!this.set(attrs,options))return false}else if(!this._validate(attrs,options)){return false}var model=this;var success=options.success;var attributes=this.attributes;options.success=function(resp){model.attributes=attributes;var serverAttrs=options.parse?model.parse(resp,options):resp;if(wait)serverAttrs=_.extend({},attrs,serverAttrs);if(serverAttrs&&!model.set(serverAttrs,options))return false;if(success)success.call(options.context,model,resp,options);model.trigger("sync",model,resp,options)};wrapError(this,options);if(attrs&&wait)this.attributes=_.extend({},attributes,attrs);var method=this.isNew()?"create":options.patch?"patch":"update";if(method==="patch"&&!options.attrs)options.attrs=attrs;var xhr=this.sync(method,this,options);this.attributes=attributes;return xhr},destroy:function(options){options=options?_.clone(options):{};var model=this;var success=options.success;var wait=options.wait;var destroy=function(){model.stopListening();model.trigger("destroy",model,model.collection,options)};options.success=function(resp){if(wait)destroy();if(success)success.call(options.context,model,resp,options);if(!model.isNew())model.trigger("sync",model,resp,options)};var xhr=false;if(this.isNew()){_.defer(options.success)}else{wrapError(this,options);xhr=this.sync("delete",this,options)}if(!wait)destroy();return xhr},url:function(){var base=_.result(this,"urlRoot")||_.result(this.collection,"url")||urlError();if(this.isNew())return base;var id=this.get(this.idAttribute);return base.replace(/[^\/]$/,"$&/")+encodeURIComponent(id)},parse:function(resp,options){return resp},clone:function(){return new this.constructor(this.attributes)},isNew:function(){return!this.has(this.idAttribute)},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:1,values:1,pairs:1,invert:1,pick:0,omit:0,chain:1,isEmpty:1};addUnderscoreMethods(Model,modelMethods,"attributes");var Collection=Backbone.Collection=function(models,options){options||(options={});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,remove:false};var splice=function(array,insert,at){at=Math.min(Math.max(at,0),array.length);var tail=Array(array.length-at);var length=insert.length;var i;for(i=0;i<tail.length;i++)tail[i]=array[i+at];for(i=0;i<length;i++)array[i+at]=insert[i];for(i=0;i<tail.length;i++)array[i+length+at]=tail[i]};_.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,_.extend({merge:false},options,addOptions))},remove:function(models,options){options=_.extend({},options);var singular=!_.isArray(models);models=singular?[models]:models.slice();var removed=this._removeModels(models,options);if(!options.silent&&removed.length){options.changes={added:[],merged:[],removed:removed};this.trigger("update",this,options)}return singular?removed[0]:removed},set:function(models,options){if(models==null)return;options=_.extend({},setOptions,options);if(options.parse&&!this._isModel(models)){models=this.parse(models,options)||[]}var singular=!_.isArray(models);models=singular?[models]:models.slice();var at=options.at;if(at!=null)at=+at;if(at>this.length)at=this.length;if(at<0)at+=this.length+1;var set=[];var toAdd=[];var toMerge=[];var toRemove=[];var modelMap={};var add=options.add;var merge=options.merge;var remove=options.remove;var sort=false;var sortable=this.comparator&&at==null&&options.sort!==false;var sortAttr=_.isString(this.comparator)?this.comparator:null;var model,i;for(i=0;i<models.length;i++){model=models[i];var existing=this.get(model);if(existing){if(merge&&model!==existing){var attrs=this._isModel(model)?model.attributes:model;if(options.parse)attrs=existing.parse(attrs,options);existing.set(attrs,options);toMerge.push(existing);if(sortable&&!sort)sort=existing.hasChanged(sortAttr)}if(!modelMap[existing.cid]){modelMap[existing.cid]=true;set.push(existing)}models[i]=existing}else if(add){model=models[i]=this._prepareModel(model,options);if(model){toAdd.push(model);this._addReference(model,options);modelMap[model.cid]=true;set.push(model)}}}if(remove){for(i=0;i<this.length;i++){model=this.models[i];if(!modelMap[model.cid])toRemove.push(model)}if(toRemove.length)this._removeModels(toRemove,options)}var orderChanged=false;var replace=!sortable&&add&&remove;if(set.length&&replace){orderChanged=this.length!==set.length||_.some(this.models,function(m,index){return m!==set[index]});this.models.length=0;splice(this.models,set,0);this.length=this.models.length}else if(toAdd.length){if(sortable)sort=true;splice(this.models,toAdd,at==null?this.length:at);this.length=this.models.length}if(sort)this.sort({silent:true});if(!options.silent){for(i=0;i<toAdd.length;i++){if(at!=null)options.index=at+i;model=toAdd[i];model.trigger("add",model,this,options)}if(sort||orderChanged)this.trigger("sort",this,options);if(toAdd.length||toRemove.length||toMerge.length){options.changes={added:toAdd,removed:toRemove,merged:toMerge};this.trigger("update",this,options)}}return singular?models[0]:models},reset:function(models,options){options=options?_.clone(options):{};for(var i=0;i<this.models.length;i++){this._removeReference(this.models[i],options)}options.previousModels=this.models;this._reset();models=this.add(models,_.extend({silent:true},options));if(!options.silent)this.trigger("reset",this,options);return models},push:function(model,options){return this.add(model,_.extend({at:this.length},options))},pop:function(options){var model=this.at(this.length-1);return this.remove(model,options)},unshift:function(model,options){return this.add(model,_.extend({at:0},options))},shift:function(options){var model=this.at(0);return this.remove(model,options)},slice:function(){return slice.apply(this.models,arguments)},get:function(obj){if(obj==null)return void 0;return this._byId[obj]||this._byId[this.modelId(obj.attributes||obj)]||obj.cid&&this._byId[obj.cid]},has:function(obj){return this.get(obj)!=null},at:function(index){if(index<0)index+=this.length;return this.models[index]},where:function(attrs,first){return this[first?"find":"filter"](attrs)},findWhere:function(attrs){return this.where(attrs,true)},sort:function(options){var comparator=this.comparator;if(!comparator)throw new Error("Cannot sort a set without a comparator");options||(options={});var length=comparator.length;if(_.isFunction(comparator))comparator=_.bind(comparator,this);if(length===1||_.isString(comparator)){this.models=this.sortBy(comparator)}else{this.models.sort(comparator)}if(!options.silent)this.trigger("sort",this,options);return this},pluck:function(attr){return this.map(attr+"")},fetch:function(options){options=_.extend({parse:true},options);var success=options.success;var collection=this;options.success=function(resp){var method=options.reset?"reset":"set";collection[method](resp,options);if(success)success.call(options.context,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):{};var wait=options.wait;model=this._prepareModel(model,options);if(!model)return false;if(!wait)this.add(model,options);var collection=this;var success=options.success;options.success=function(m,resp,callbackOpts){if(wait)collection.add(m,callbackOpts);if(success)success.call(callbackOpts.context,m,resp,callbackOpts)};model.save(null,options);return model},parse:function(resp,options){return resp},clone:function(){return new this.constructor(this.models,{model:this.model,comparator:this.comparator})},modelId:function(attrs){return attrs[this.model.prototype.idAttribute||"id"]},_reset:function(){this.length=0;this.models=[];this._byId={}},_prepareModel:function(attrs,options){if(this._isModel(attrs)){if(!attrs.collection)attrs.collection=this;return attrs}options=options?_.clone(options):{};options.collection=this;var model=new this.model(attrs,options);if(!model.validationError)return model;this.trigger("invalid",this,model.validationError,options);return false},_removeModels:function(models,options){var removed=[];for(var i=0;i<models.length;i++){var model=this.get(models[i]);if(!model)continue;var index=this.indexOf(model);this.models.splice(index,1);this.length--;delete this._byId[model.cid];var id=this.modelId(model.attributes);if(id!=null)delete this._byId[id];if(!options.silent){options.index=index;model.trigger("remove",model,this,options)}removed.push(model);this._removeReference(model,options)}return removed},_isModel:function(model){return model instanceof Model},_addReference:function(model,options){this._byId[model.cid]=model;var id=this.modelId(model.attributes);if(id!=null)this._byId[id]=model;model.on("all",this._onModelEvent,this)},_removeReference:function(model,options){delete this._byId[model.cid];var id=this.modelId(model.attributes);if(id!=null)delete this._byId[id];if(this===model.collection)delete model.collection;model.off("all",this._onModelEvent,this)},_onModelEvent:function(event,model,collection,options){if(model){if((event==="add"||event==="remove")&&collection!==this)return;if(event==="destroy")this.remove(model,options);if(event==="change"){var prevId=this.modelId(model.previousAttributes());var id=this.modelId(model.attributes);if(prevId!==id){if(prevId!=null)delete this._byId[prevId];if(id!=null)this._byId[id]=model}}}this.trigger.apply(this,arguments)}});var collectionMethods={forEach:3,each:3,map:3,collect:3,reduce:0,foldl:0,inject:0,reduceRight:0,foldr:0,find:3,detect:3,filter:3,select:3,reject:3,every:3,all:3,some:3,any:3,include:3,includes:3,contains:3,invoke:0,max:3,min:3,toArray:1,size:1,first:3,head:3,take:3,initial:3,rest:3,tail:3,drop:3,last:3,without:0,difference:0,indexOf:3,shuffle:1,lastIndexOf:3,isEmpty:1,chain:1,sample:3,partition:3,groupBy:3,countBy:3,sortBy:3,indexBy:3,findIndex:3,findLastIndex:3};addUnderscoreMethods(Collection,collectionMethods,"models");var View=Backbone.View=function(options){this.cid=_.uniqueId("view");_.extend(this,_.pick(options,viewOptions));this._ensureElement();this.initialize.apply(this,arguments)};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._removeElement();this.stopListening();return this},_removeElement:function(){this.$el.remove()},setElement:function(element){this.undelegateEvents();this._setElement(element);this.delegateEvents();return this},_setElement:function(el){this.$el=el instanceof Backbone.$?el:Backbone.$(el);this.el=this.$el[0]},delegateEvents:function(events){events||(events=_.result(this,"events"));if(!events)return this;this.undelegateEvents();for(var key in events){var method=events[key];if(!_.isFunction(method))method=this[method];if(!method)continue;var match=key.match(delegateEventSplitter);this.delegate(match[1],match[2],_.bind(method,this))}return this},delegate:function(eventName,selector,listener){this.$el.on(eventName+".delegateEvents"+this.cid,selector,listener);return this},undelegateEvents:function(){if(this.$el)this.$el.off(".delegateEvents"+this.cid);return this},undelegate:function(eventName,selector,listener){this.$el.off(eventName+".delegateEvents"+this.cid,selector,listener);return this},_createElement:function(tagName){return document.createElement(tagName)},_ensureElement:function(){if(!this.el){var attrs=_.extend({},_.result(this,"attributes"));if(this.id)attrs.id=_.result(this,"id");if(this.className)attrs["class"]=_.result(this,"className");this.setElement(this._createElement(_.result(this,"tagName")));this._setAttributes(attrs)}else{this.setElement(_.result(this,"el"))}},_setAttributes:function(attributes){this.$el.attr(attributes)}});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}var error=options.error;options.error=function(xhr,textStatus,errorThrown){options.textStatus=textStatus;options.errorThrown=errorThrown;if(error)error.call(options.context,xhr,textStatus,errorThrown)};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=/[\-{}\[\]+?.,\\\^$|#\s]/g;_.extend(Router.prototype,Events,{initialize:function(){},route:function(route,name,callback){if(!_.isRegExp(route))route=this._routeToRegExp(route);if(_.isFunction(name)){callback=name;name=""}if(!callback)callback=this[name];var router=this;Backbone.history.route(route,function(fragment){var args=router._extractParameters(route,fragment);if(router.execute(callback,args,name)!==false){router.trigger.apply(router,["route:"+name].concat(args));router.trigger("route",name,args);Backbone.history.trigger("route",router,name,args)}});return this},execute:function(callback,args,name){if(callback)callback.apply(this,args)},navigate:function(fragment,options){Backbone.history.navigate(fragment,options);return this},_bindRoutes:function(){if(!this.routes)return;this.routes=_.result(this,"routes");var route,routes=_.keys(this.routes);while((route=routes.pop())!=null){this.route(route,this.routes[route])}},_routeToRegExp:function(route){route=route.replace(escapeRegExp,"\\$&").replace(optionalParam,"(?:$1)?").replace(namedParam,function(match,optional){return optional?match:"([^/?]+)"}).replace(splatParam,"([^?]*?)");return new RegExp("^"+route+"(?:\\?([\\s\\S]*))?$")},_extractParameters:function(route,fragment){var params=route.exec(fragment).slice(1);return _.map(params,function(param,i){if(i===params.length-1)return param||null;return param?decodeURIComponent(param):null})}});var History=Backbone.History=function(){this.handlers=[];this.checkUrl=_.bind(this.checkUrl,this);if(typeof window!=="undefined"){this.location=window.location;this.history=window.history}};var routeStripper=/^[#\/]|\s+$/g;var rootStripper=/^\/+|\/+$/g;var pathStripper=/#.*$/;History.started=false;_.extend(History.prototype,Events,{interval:50,atRoot:function(){var path=this.location.pathname.replace(/[^\/]$/,"$&/");return path===this.root&&!this.getSearch()},matchRoot:function(){var path=this.decodeFragment(this.location.pathname);var rootPath=path.slice(0,this.root.length-1)+"/";return rootPath===this.root},decodeFragment:function(fragment){return decodeURI(fragment.replace(/%25/g,"%2525"))},getSearch:function(){var match=this.location.href.replace(/#.*/,"").match(/\?.+/);return match?match[0]:""},getHash:function(window){var match=(window||this).location.href.match(/#(.*)$/);return match?match[1]:""},getPath:function(){var path=this.decodeFragment(this.location.pathname+this.getSearch()).slice(this.root.length-1);return path.charAt(0)==="/"?path.slice(1):path},getFragment:function(fragment){if(fragment==null){if(this._usePushState||!this._wantsHashChange){fragment=this.getPath()}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._hasHashChange="onhashchange"in window&&(document.documentMode===void 0||document.documentMode>7);this._useHashChange=this._wantsHashChange&&this._hasHashChange;this._wantsPushState=!!this.options.pushState;this._hasPushState=!!(this.history&&this.history.pushState);this._usePushState=this._wantsPushState&&this._hasPushState;this.fragment=this.getFragment();this.root=("/"+this.root+"/").replace(rootStripper,"/");if(this._wantsHashChange&&this._wantsPushState){if(!this._hasPushState&&!this.atRoot()){var rootPath=this.root.slice(0,-1)||"/";this.location.replace(rootPath+"#"+this.getPath());return true}else if(this._hasPushState&&this.atRoot()){this.navigate(this.getHash(),{replace:true})}}if(!this._hasHashChange&&this._wantsHashChange&&!this._usePushState){this.iframe=document.createElement("iframe");this.iframe.src="javascript:0";this.iframe.style.display="none";this.iframe.tabIndex=-1;var body=document.body;var iWindow=body.insertBefore(this.iframe,body.firstChild).contentWindow;iWindow.document.open();iWindow.document.close();iWindow.location.hash="#"+this.fragment}var addEventListener=window.addEventListener||function(eventName,listener){return attachEvent("on"+eventName,listener)};if(this._usePushState){addEventListener("popstate",this.checkUrl,false)}else if(this._useHashChange&&!this.iframe){addEventListener("hashchange",this.checkUrl,false)}else if(this._wantsHashChange){this._checkUrlInterval=setInterval(this.checkUrl,this.interval)}if(!this.options.silent)return this.loadUrl()},stop:function(){var removeEventListener=window.removeEventListener||function(eventName,listener){return detachEvent("on"+eventName,listener)};if(this._usePushState){removeEventListener("popstate",this.checkUrl,false)}else if(this._useHashChange&&!this.iframe){removeEventListener("hashchange",this.checkUrl,false)}if(this.iframe){document.body.removeChild(this.iframe);this.iframe=null}if(this._checkUrlInterval)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.getHash(this.iframe.contentWindow)}if(current===this.fragment)return false;if(this.iframe)this.navigate(current);this.loadUrl()},loadUrl:function(fragment){if(!this.matchRoot())return false;fragment=this.fragment=this.getFragment(fragment);return _.some(this.handlers,function(handler){if(handler.route.test(fragment)){handler.callback(fragment);return true}})},navigate:function(fragment,options){if(!History.started)return false;if(!options||options===true)options={trigger:!!options};fragment=this.getFragment(fragment||"");var rootPath=this.root;if(fragment===""||fragment.charAt(0)==="?"){rootPath=rootPath.slice(0,-1)||"/"}var url=rootPath+fragment;fragment=this.decodeFragment(fragment.replace(pathStripper,""));if(this.fragment===fragment)return;this.fragment=fragment;if(this._usePushState){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.getHash(this.iframe.contentWindow)){var iWindow=this.iframe.contentWindow;if(!options.replace){iWindow.document.open();iWindow.document.close()}this._updateHash(iWindow.location,fragment,options.replace)}}else{return this.location.assign(url)}if(options.trigger)return 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);child.prototype=_.create(parent.prototype,protoProps);child.prototype.constructor=child;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.call(options.context,model,resp,options);model.trigger("error",model,resp,options)}};return Backbone});
//# sourceMappingURL=backbone.min.map