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Revert "Upgraded Backbone.js and Underscore.js"

This reverts commit 72650e5.
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commit a278cc4fbb6aaf0806bc92ce60dc2df098a12d21 1 parent 72650e5
@MichaelJosephKramer MichaelJosephKramer authored
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67 vendor/assets/javascripts/backbone-min.js
@@ -1,38 +1,33 @@
-// Backbone.js 0.9.2
-
-// (c) 2010-2012 Jeremy Ashkenas, DocumentCloud Inc.
+// Backbone.js 0.5.3
+// (c) 2010 Jeremy Ashkenas, DocumentCloud Inc.
// Backbone may be freely distributed under the MIT license.
// For all details and documentation:
-// http://backbonejs.org
-(function(){var l=this,y=l.Backbone,z=Array.prototype.slice,A=Array.prototype.splice,g;g="undefined"!==typeof exports?exports:l.Backbone={};g.VERSION="0.9.2";var f=l._;!f&&"undefined"!==typeof require&&(f=require("underscore"));var i=l.jQuery||l.Zepto||l.ender;g.setDomLibrary=function(a){i=a};g.noConflict=function(){l.Backbone=y;return this};g.emulateHTTP=!1;g.emulateJSON=!1;var p=/\s+/,k=g.Events={on:function(a,b,c){var d,e,f,g,j;if(!b)return this;a=a.split(p);for(d=this._callbacks||(this._callbacks=
-{});e=a.shift();)f=(j=d[e])?j.tail:{},f.next=g={},f.context=c,f.callback=b,d[e]={tail:g,next:j?j.next:f};return this},off:function(a,b,c){var d,e,h,g,j,q;if(e=this._callbacks){if(!a&&!b&&!c)return delete this._callbacks,this;for(a=a?a.split(p):f.keys(e);d=a.shift();)if(h=e[d],delete e[d],h&&(b||c))for(g=h.tail;(h=h.next)!==g;)if(j=h.callback,q=h.context,b&&j!==b||c&&q!==c)this.on(d,j,q);return this}},trigger:function(a){var b,c,d,e,f,g;if(!(d=this._callbacks))return this;f=d.all;a=a.split(p);for(g=
-z.call(arguments,1);b=a.shift();){if(c=d[b])for(e=c.tail;(c=c.next)!==e;)c.callback.apply(c.context||this,g);if(c=f){e=c.tail;for(b=[b].concat(g);(c=c.next)!==e;)c.callback.apply(c.context||this,b)}}return this}};k.bind=k.on;k.unbind=k.off;var o=g.Model=function(a,b){var c;a||(a={});b&&b.parse&&(a=this.parse(a));if(c=n(this,"defaults"))a=f.extend({},c,a);b&&b.collection&&(this.collection=b.collection);this.attributes={};this._escapedAttributes={};this.cid=f.uniqueId("c");this.changed={};this._silent=
-{};this._pending={};this.set(a,{silent:!0});this.changed={};this._silent={};this._pending={};this._previousAttributes=f.clone(this.attributes);this.initialize.apply(this,arguments)};f.extend(o.prototype,k,{changed:null,_silent:null,_pending:null,idAttribute:"id",initialize:function(){},toJSON:function(){return f.clone(this.attributes)},get:function(a){return this.attributes[a]},escape:function(a){var b;if(b=this._escapedAttributes[a])return b;b=this.get(a);return this._escapedAttributes[a]=f.escape(null==
-b?"":""+b)},has:function(a){return null!=this.get(a)},set:function(a,b,c){var d,e;f.isObject(a)||null==a?(d=a,c=b):(d={},d[a]=b);c||(c={});if(!d)return this;d instanceof o&&(d=d.attributes);if(c.unset)for(e in d)d[e]=void 0;if(!this._validate(d,c))return!1;this.idAttribute in d&&(this.id=d[this.idAttribute]);var b=c.changes={},h=this.attributes,g=this._escapedAttributes,j=this._previousAttributes||{};for(e in d){a=d[e];if(!f.isEqual(h[e],a)||c.unset&&f.has(h,e))delete g[e],(c.silent?this._silent:
-b)[e]=!0;c.unset?delete h[e]:h[e]=a;!f.isEqual(j[e],a)||f.has(h,e)!=f.has(j,e)?(this.changed[e]=a,c.silent||(this._pending[e]=!0)):(delete this.changed[e],delete this._pending[e])}c.silent||this.change(c);return this},unset:function(a,b){(b||(b={})).unset=!0;return this.set(a,null,b)},clear:function(a){(a||(a={})).unset=!0;return this.set(f.clone(this.attributes),a)},fetch:function(a){var a=a?f.clone(a):{},b=this,c=a.success;a.success=function(d,e,f){if(!b.set(b.parse(d,f),a))return!1;c&&c(b,d)};
-a.error=g.wrapError(a.error,b,a);return(this.sync||g.sync).call(this,"read",this,a)},save:function(a,b,c){var d,e;f.isObject(a)||null==a?(d=a,c=b):(d={},d[a]=b);c=c?f.clone(c):{};if(c.wait){if(!this._validate(d,c))return!1;e=f.clone(this.attributes)}a=f.extend({},c,{silent:!0});if(d&&!this.set(d,c.wait?a:c))return!1;var h=this,i=c.success;c.success=function(a,b,e){b=h.parse(a,e);if(c.wait){delete c.wait;b=f.extend(d||{},b)}if(!h.set(b,c))return false;i?i(h,a):h.trigger("sync",h,a,c)};c.error=g.wrapError(c.error,
-h,c);b=this.isNew()?"create":"update";b=(this.sync||g.sync).call(this,b,this,c);c.wait&&this.set(e,a);return b},destroy:function(a){var a=a?f.clone(a):{},b=this,c=a.success,d=function(){b.trigger("destroy",b,b.collection,a)};if(this.isNew())return d(),!1;a.success=function(e){a.wait&&d();c?c(b,e):b.trigger("sync",b,e,a)};a.error=g.wrapError(a.error,b,a);var e=(this.sync||g.sync).call(this,"delete",this,a);a.wait||d();return e},url:function(){var a=n(this,"urlRoot")||n(this.collection,"url")||t();
-return this.isNew()?a:a+("/"==a.charAt(a.length-1)?"":"/")+encodeURIComponent(this.id)},parse:function(a){return a},clone:function(){return new this.constructor(this.attributes)},isNew:function(){return null==this.id},change:function(a){a||(a={});var b=this._changing;this._changing=!0;for(var c in this._silent)this._pending[c]=!0;var d=f.extend({},a.changes,this._silent);this._silent={};for(c in d)this.trigger("change:"+c,this,this.get(c),a);if(b)return this;for(;!f.isEmpty(this._pending);){this._pending=
-{};this.trigger("change",this,a);for(c in this.changed)!this._pending[c]&&!this._silent[c]&&delete this.changed[c];this._previousAttributes=f.clone(this.attributes)}this._changing=!1;return this},hasChanged:function(a){return!arguments.length?!f.isEmpty(this.changed):f.has(this.changed,a)},changedAttributes:function(a){if(!a)return this.hasChanged()?f.clone(this.changed):!1;var b,c=!1,d=this._previousAttributes,e;for(e in a)if(!f.isEqual(d[e],b=a[e]))(c||(c={}))[e]=b;return c},previous:function(a){return!arguments.length||
-!this._previousAttributes?null:this._previousAttributes[a]},previousAttributes:function(){return f.clone(this._previousAttributes)},isValid:function(){return!this.validate(this.attributes)},_validate:function(a,b){if(b.silent||!this.validate)return!0;var a=f.extend({},this.attributes,a),c=this.validate(a,b);if(!c)return!0;b&&b.error?b.error(this,c,b):this.trigger("error",this,c,b);return!1}});var r=g.Collection=function(a,b){b||(b={});b.model&&(this.model=b.model);b.comparator&&(this.comparator=b.comparator);
-this._reset();this.initialize.apply(this,arguments);a&&this.reset(a,{silent:!0,parse:b.parse})};f.extend(r.prototype,k,{model:o,initialize:function(){},toJSON:function(a){return this.map(function(b){return b.toJSON(a)})},add:function(a,b){var c,d,e,g,i,j={},k={},l=[];b||(b={});a=f.isArray(a)?a.slice():[a];c=0;for(d=a.length;c<d;c++){if(!(e=a[c]=this._prepareModel(a[c],b)))throw Error("Can't add an invalid model to a collection");g=e.cid;i=e.id;j[g]||this._byCid[g]||null!=i&&(k[i]||this._byId[i])?
-l.push(c):j[g]=k[i]=e}for(c=l.length;c--;)a.splice(l[c],1);c=0;for(d=a.length;c<d;c++)(e=a[c]).on("all",this._onModelEvent,this),this._byCid[e.cid]=e,null!=e.id&&(this._byId[e.id]=e);this.length+=d;A.apply(this.models,[null!=b.at?b.at:this.models.length,0].concat(a));this.comparator&&this.sort({silent:!0});if(b.silent)return this;c=0;for(d=this.models.length;c<d;c++)if(j[(e=this.models[c]).cid])b.index=c,e.trigger("add",e,this,b);return this},remove:function(a,b){var c,d,e,g;b||(b={});a=f.isArray(a)?
-a.slice():[a];c=0;for(d=a.length;c<d;c++)if(g=this.getByCid(a[c])||this.get(a[c]))delete this._byId[g.id],delete this._byCid[g.cid],e=this.indexOf(g),this.models.splice(e,1),this.length--,b.silent||(b.index=e,g.trigger("remove",g,this,b)),this._removeReference(g);return this},push:function(a,b){a=this._prepareModel(a,b);this.add(a,b);return a},pop:function(a){var b=this.at(this.length-1);this.remove(b,a);return b},unshift:function(a,b){a=this._prepareModel(a,b);this.add(a,f.extend({at:0},b));return a},
-shift:function(a){var b=this.at(0);this.remove(b,a);return b},get:function(a){return null==a?void 0:this._byId[null!=a.id?a.id:a]},getByCid:function(a){return a&&this._byCid[a.cid||a]},at:function(a){return this.models[a]},where:function(a){return f.isEmpty(a)?[]:this.filter(function(b){for(var c in a)if(a[c]!==b.get(c))return!1;return!0})},sort:function(a){a||(a={});if(!this.comparator)throw Error("Cannot sort a set without a comparator");var b=f.bind(this.comparator,this);1==this.comparator.length?
-this.models=this.sortBy(b):this.models.sort(b);a.silent||this.trigger("reset",this,a);return this},pluck:function(a){return f.map(this.models,function(b){return b.get(a)})},reset:function(a,b){a||(a=[]);b||(b={});for(var c=0,d=this.models.length;c<d;c++)this._removeReference(this.models[c]);this._reset();this.add(a,f.extend({silent:!0},b));b.silent||this.trigger("reset",this,b);return this},fetch:function(a){a=a?f.clone(a):{};void 0===a.parse&&(a.parse=!0);var b=this,c=a.success;a.success=function(d,
-e,f){b[a.add?"add":"reset"](b.parse(d,f),a);c&&c(b,d)};a.error=g.wrapError(a.error,b,a);return(this.sync||g.sync).call(this,"read",this,a)},create:function(a,b){var c=this,b=b?f.clone(b):{},a=this._prepareModel(a,b);if(!a)return!1;b.wait||c.add(a,b);var d=b.success;b.success=function(e,f){b.wait&&c.add(e,b);d?d(e,f):e.trigger("sync",a,f,b)};a.save(null,b);return a},parse:function(a){return a},chain:function(){return f(this.models).chain()},_reset:function(){this.length=0;this.models=[];this._byId=
-{};this._byCid={}},_prepareModel:function(a,b){b||(b={});a instanceof o?a.collection||(a.collection=this):(b.collection=this,a=new this.model(a,b),a._validate(a.attributes,b)||(a=!1));return a},_removeReference:function(a){this==a.collection&&delete a.collection;a.off("all",this._onModelEvent,this)},_onModelEvent:function(a,b,c,d){("add"==a||"remove"==a)&&c!=this||("destroy"==a&&this.remove(b,d),b&&a==="change:"+b.idAttribute&&(delete this._byId[b.previous(b.idAttribute)],this._byId[b.id]=b),this.trigger.apply(this,
-arguments))}});f.each("forEach,each,map,reduce,reduceRight,find,detect,filter,select,reject,every,all,some,any,include,contains,invoke,max,min,sortBy,sortedIndex,toArray,size,first,initial,rest,last,without,indexOf,shuffle,lastIndexOf,isEmpty,groupBy".split(","),function(a){r.prototype[a]=function(){return f[a].apply(f,[this.models].concat(f.toArray(arguments)))}});var u=g.Router=function(a){a||(a={});a.routes&&(this.routes=a.routes);this._bindRoutes();this.initialize.apply(this,arguments)},B=/:\w+/g,
-C=/\*\w+/g,D=/[-[\]{}()+?.,\\^$|#\s]/g;f.extend(u.prototype,k,{initialize:function(){},route:function(a,b,c){g.history||(g.history=new m);f.isRegExp(a)||(a=this._routeToRegExp(a));c||(c=this[b]);g.history.route(a,f.bind(function(d){d=this._extractParameters(a,d);c&&c.apply(this,d);this.trigger.apply(this,["route:"+b].concat(d));g.history.trigger("route",this,b,d)},this));return this},navigate:function(a,b){g.history.navigate(a,b)},_bindRoutes:function(){if(this.routes){var a=[],b;for(b in this.routes)a.unshift([b,
-this.routes[b]]);b=0;for(var c=a.length;b<c;b++)this.route(a[b][0],a[b][1],this[a[b][1]])}},_routeToRegExp:function(a){a=a.replace(D,"\\$&").replace(B,"([^/]+)").replace(C,"(.*?)");return RegExp("^"+a+"$")},_extractParameters:function(a,b){return a.exec(b).slice(1)}});var m=g.History=function(){this.handlers=[];f.bindAll(this,"checkUrl")},s=/^[#\/]/,E=/msie [\w.]+/;m.started=!1;f.extend(m.prototype,k,{interval:50,getHash:function(a){return(a=(a?a.location:window.location).href.match(/#(.*)$/))?a[1]:
-""},getFragment:function(a,b){if(null==a)if(this._hasPushState||b){var a=window.location.pathname,c=window.location.search;c&&(a+=c)}else a=this.getHash();a.indexOf(this.options.root)||(a=a.substr(this.options.root.length));return a.replace(s,"")},start:function(a){if(m.started)throw Error("Backbone.history has already been started");m.started=!0;this.options=f.extend({},{root:"/"},this.options,a);this._wantsHashChange=!1!==this.options.hashChange;this._wantsPushState=!!this.options.pushState;this._hasPushState=
-!(!this.options.pushState||!window.history||!window.history.pushState);var a=this.getFragment(),b=document.documentMode;if(b=E.exec(navigator.userAgent.toLowerCase())&&(!b||7>=b))this.iframe=i('<iframe src="javascript:0" tabindex="-1" />').hide().appendTo("body")[0].contentWindow,this.navigate(a);this._hasPushState?i(window).bind("popstate",this.checkUrl):this._wantsHashChange&&"onhashchange"in window&&!b?i(window).bind("hashchange",this.checkUrl):this._wantsHashChange&&(this._checkUrlInterval=setInterval(this.checkUrl,
-this.interval));this.fragment=a;a=window.location;b=a.pathname==this.options.root;if(this._wantsHashChange&&this._wantsPushState&&!this._hasPushState&&!b)return this.fragment=this.getFragment(null,!0),window.location.replace(this.options.root+"#"+this.fragment),!0;this._wantsPushState&&this._hasPushState&&b&&a.hash&&(this.fragment=this.getHash().replace(s,""),window.history.replaceState({},document.title,a.protocol+"//"+a.host+this.options.root+this.fragment));if(!this.options.silent)return this.loadUrl()},
-stop:function(){i(window).unbind("popstate",this.checkUrl).unbind("hashchange",this.checkUrl);clearInterval(this._checkUrlInterval);m.started=!1},route:function(a,b){this.handlers.unshift({route:a,callback:b})},checkUrl:function(){var a=this.getFragment();a==this.fragment&&this.iframe&&(a=this.getFragment(this.getHash(this.iframe)));if(a==this.fragment)return!1;this.iframe&&this.navigate(a);this.loadUrl()||this.loadUrl(this.getHash())},loadUrl:function(a){var b=this.fragment=this.getFragment(a);return f.any(this.handlers,
-function(a){if(a.route.test(b))return a.callback(b),!0})},navigate:function(a,b){if(!m.started)return!1;if(!b||!0===b)b={trigger:b};var c=(a||"").replace(s,"");this.fragment!=c&&(this._hasPushState?(0!=c.indexOf(this.options.root)&&(c=this.options.root+c),this.fragment=c,window.history[b.replace?"replaceState":"pushState"]({},document.title,c)):this._wantsHashChange?(this.fragment=c,this._updateHash(window.location,c,b.replace),this.iframe&&c!=this.getFragment(this.getHash(this.iframe))&&(b.replace||
-this.iframe.document.open().close(),this._updateHash(this.iframe.location,c,b.replace))):window.location.assign(this.options.root+a),b.trigger&&this.loadUrl(a))},_updateHash:function(a,b,c){c?a.replace(a.toString().replace(/(javascript:|#).*$/,"")+"#"+b):a.hash=b}});var v=g.View=function(a){this.cid=f.uniqueId("view");this._configure(a||{});this._ensureElement();this.initialize.apply(this,arguments);this.delegateEvents()},F=/^(\S+)\s*(.*)$/,w="model,collection,el,id,attributes,className,tagName".split(",");
-f.extend(v.prototype,k,{tagName:"div",$:function(a){return this.$el.find(a)},initialize:function(){},render:function(){return this},remove:function(){this.$el.remove();return this},make:function(a,b,c){a=document.createElement(a);b&&i(a).attr(b);c&&i(a).html(c);return a},setElement:function(a,b){this.$el&&this.undelegateEvents();this.$el=a instanceof i?a:i(a);this.el=this.$el[0];!1!==b&&this.delegateEvents();return this},delegateEvents:function(a){if(a||(a=n(this,"events"))){this.undelegateEvents();
-for(var b in a){var c=a[b];f.isFunction(c)||(c=this[a[b]]);if(!c)throw Error('Method "'+a[b]+'" does not exist');var d=b.match(F),e=d[1],d=d[2],c=f.bind(c,this),e=e+(".delegateEvents"+this.cid);""===d?this.$el.bind(e,c):this.$el.delegate(d,e,c)}}},undelegateEvents:function(){this.$el.unbind(".delegateEvents"+this.cid)},_configure:function(a){this.options&&(a=f.extend({},this.options,a));for(var b=0,c=w.length;b<c;b++){var d=w[b];a[d]&&(this[d]=a[d])}this.options=a},_ensureElement:function(){if(this.el)this.setElement(this.el,
-!1);else{var a=n(this,"attributes")||{};this.id&&(a.id=this.id);this.className&&(a["class"]=this.className);this.setElement(this.make(this.tagName,a),!1)}}});o.extend=r.extend=u.extend=v.extend=function(a,b){var c=G(this,a,b);c.extend=this.extend;return c};var H={create:"POST",update:"PUT","delete":"DELETE",read:"GET"};g.sync=function(a,b,c){var d=H[a];c||(c={});var e={type:d,dataType:"json"};c.url||(e.url=n(b,"url")||t());if(!c.data&&b&&("create"==a||"update"==a))e.contentType="application/json",
-e.data=JSON.stringify(b.toJSON());g.emulateJSON&&(e.contentType="application/x-www-form-urlencoded",e.data=e.data?{model:e.data}:{});if(g.emulateHTTP&&("PUT"===d||"DELETE"===d))g.emulateJSON&&(e.data._method=d),e.type="POST",e.beforeSend=function(a){a.setRequestHeader("X-HTTP-Method-Override",d)};"GET"!==e.type&&!g.emulateJSON&&(e.processData=!1);return i.ajax(f.extend(e,c))};g.wrapError=function(a,b,c){return function(d,e){e=d===b?e:d;a?a(b,e,c):b.trigger("error",b,e,c)}};var x=function(){},G=function(a,
-b,c){var d;d=b&&b.hasOwnProperty("constructor")?b.constructor:function(){a.apply(this,arguments)};f.extend(d,a);x.prototype=a.prototype;d.prototype=new x;b&&f.extend(d.prototype,b);c&&f.extend(d,c);d.prototype.constructor=d;d.__super__=a.prototype;return d},n=function(a,b){return!a||!a[b]?null:f.isFunction(a[b])?a[b]():a[b]},t=function(){throw Error('A "url" property or function must be specified');}}).call(this);
+// http://documentcloud.github.com/backbone
+(function(){var h=this,p=h.Backbone,e;e=typeof exports!=="undefined"?exports:h.Backbone={};e.VERSION="0.5.3";var f=h._;if(!f&&typeof require!=="undefined")f=require("underscore")._;var g=h.jQuery||h.Zepto;e.noConflict=function(){h.Backbone=p;return this};e.emulateHTTP=!1;e.emulateJSON=!1;e.Events={bind:function(a,b,c){var d=this._callbacks||(this._callbacks={});(d[a]||(d[a]=[])).push([b,c]);return this},unbind:function(a,b){var c;if(a){if(c=this._callbacks)if(b){c=c[a];if(!c)return this;for(var d=
+0,e=c.length;d<e;d++)if(c[d]&&b===c[d][0]){c[d]=null;break}}else c[a]=[]}else this._callbacks={};return this},trigger:function(a){var b,c,d,e,f=2;if(!(c=this._callbacks))return this;for(;f--;)if(b=f?a:"all",b=c[b])for(var g=0,h=b.length;g<h;g++)(d=b[g])?(e=f?Array.prototype.slice.call(arguments,1):arguments,d[0].apply(d[1]||this,e)):(b.splice(g,1),g--,h--);return this}};e.Model=function(a,b){var c;a||(a={});if(c=this.defaults)f.isFunction(c)&&(c=c.call(this)),a=f.extend({},c,a);this.attributes={};
+this._escapedAttributes={};this.cid=f.uniqueId("c");this.set(a,{silent:!0});this._changed=!1;this._previousAttributes=f.clone(this.attributes);if(b&&b.collection)this.collection=b.collection;this.initialize(a,b)};f.extend(e.Model.prototype,e.Events,{_previousAttributes:null,_changed:!1,idAttribute:"id",initialize:function(){},toJSON:function(){return f.clone(this.attributes)},get:function(a){return this.attributes[a]},escape:function(a){var b;if(b=this._escapedAttributes[a])return b;b=this.attributes[a];
+return this._escapedAttributes[a]=(b==null?"":""+b).replace(/&(?!\w+;|#\d+;|#x[\da-f]+;)/gi,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;").replace(/'/g,"&#x27;").replace(/\//g,"&#x2F;")},has:function(a){return this.attributes[a]!=null},set:function(a,b){b||(b={});if(!a)return this;if(a.attributes)a=a.attributes;var c=this.attributes,d=this._escapedAttributes;if(!b.silent&&this.validate&&!this._performValidation(a,b))return!1;if(this.idAttribute in a)this.id=a[this.idAttribute];
+var e=this._changing;this._changing=!0;for(var g in a){var h=a[g];if(!f.isEqual(c[g],h))c[g]=h,delete d[g],this._changed=!0,b.silent||this.trigger("change:"+g,this,h,b)}!e&&!b.silent&&this._changed&&this.change(b);this._changing=!1;return this},unset:function(a,b){if(!(a in this.attributes))return this;b||(b={});var c={};c[a]=void 0;if(!b.silent&&this.validate&&!this._performValidation(c,b))return!1;delete this.attributes[a];delete this._escapedAttributes[a];a==this.idAttribute&&delete this.id;this._changed=
+!0;b.silent||(this.trigger("change:"+a,this,void 0,b),this.change(b));return this},clear:function(a){a||(a={});var b,c=this.attributes,d={};for(b in c)d[b]=void 0;if(!a.silent&&this.validate&&!this._performValidation(d,a))return!1;this.attributes={};this._escapedAttributes={};this._changed=!0;if(!a.silent){for(b in c)this.trigger("change:"+b,this,void 0,a);this.change(a)}return this},fetch:function(a){a||(a={});var b=this,c=a.success;a.success=function(d,e,f){if(!b.set(b.parse(d,f),a))return!1;c&&
+c(b,d)};a.error=i(a.error,b,a);return(this.sync||e.sync).call(this,"read",this,a)},save:function(a,b){b||(b={});if(a&&!this.set(a,b))return!1;var c=this,d=b.success;b.success=function(a,e,f){if(!c.set(c.parse(a,f),b))return!1;d&&d(c,a,f)};b.error=i(b.error,c,b);var f=this.isNew()?"create":"update";return(this.sync||e.sync).call(this,f,this,b)},destroy:function(a){a||(a={});if(this.isNew())return this.trigger("destroy",this,this.collection,a);var b=this,c=a.success;a.success=function(d){b.trigger("destroy",
+b,b.collection,a);c&&c(b,d)};a.error=i(a.error,b,a);return(this.sync||e.sync).call(this,"delete",this,a)},url:function(){var a=k(this.collection)||this.urlRoot||l();if(this.isNew())return a;return a+(a.charAt(a.length-1)=="/"?"":"/")+encodeURIComponent(this.id)},parse:function(a){return a},clone:function(){return new this.constructor(this)},isNew:function(){return this.id==null},change:function(a){this.trigger("change",this,a);this._previousAttributes=f.clone(this.attributes);this._changed=!1},hasChanged:function(a){if(a)return this._previousAttributes[a]!=
+this.attributes[a];return this._changed},changedAttributes:function(a){a||(a=this.attributes);var b=this._previousAttributes,c=!1,d;for(d in a)f.isEqual(b[d],a[d])||(c=c||{},c[d]=a[d]);return c},previous:function(a){if(!a||!this._previousAttributes)return null;return this._previousAttributes[a]},previousAttributes:function(){return f.clone(this._previousAttributes)},_performValidation:function(a,b){var c=this.validate(a);if(c)return b.error?b.error(this,c,b):this.trigger("error",this,c,b),!1;return!0}});
+e.Collection=function(a,b){b||(b={});if(b.comparator)this.comparator=b.comparator;f.bindAll(this,"_onModelEvent","_removeReference");this._reset();a&&this.reset(a,{silent:!0});this.initialize.apply(this,arguments)};f.extend(e.Collection.prototype,e.Events,{model:e.Model,initialize:function(){},toJSON:function(){return this.map(function(a){return a.toJSON()})},add:function(a,b){if(f.isArray(a))for(var c=0,d=a.length;c<d;c++)this._add(a[c],b);else this._add(a,b);return this},remove:function(a,b){if(f.isArray(a))for(var c=
+0,d=a.length;c<d;c++)this._remove(a[c],b);else this._remove(a,b);return this},get:function(a){if(a==null)return null;return this._byId[a.id!=null?a.id:a]},getByCid:function(a){return a&&this._byCid[a.cid||a]},at:function(a){return this.models[a]},sort:function(a){a||(a={});if(!this.comparator)throw Error("Cannot sort a set without a comparator");this.models=this.sortBy(this.comparator);a.silent||this.trigger("reset",this,a);return this},pluck:function(a){return f.map(this.models,function(b){return b.get(a)})},
+reset:function(a,b){a||(a=[]);b||(b={});this.each(this._removeReference);this._reset();this.add(a,{silent:!0});b.silent||this.trigger("reset",this,b);return this},fetch:function(a){a||(a={});var b=this,c=a.success;a.success=function(d,f,e){b[a.add?"add":"reset"](b.parse(d,e),a);c&&c(b,d)};a.error=i(a.error,b,a);return(this.sync||e.sync).call(this,"read",this,a)},create:function(a,b){var c=this;b||(b={});a=this._prepareModel(a,b);if(!a)return!1;var d=b.success;b.success=function(a,e,f){c.add(a,b);
+d&&d(a,e,f)};a.save(null,b);return a},parse:function(a){return a},chain:function(){return f(this.models).chain()},_reset:function(){this.length=0;this.models=[];this._byId={};this._byCid={}},_prepareModel:function(a,b){if(a instanceof e.Model){if(!a.collection)a.collection=this}else{var c=a;a=new this.model(c,{collection:this});a.validate&&!a._performValidation(c,b)&&(a=!1)}return a},_add:function(a,b){b||(b={});a=this._prepareModel(a,b);if(!a)return!1;var c=this.getByCid(a);if(c)throw Error(["Can't add the same model to a set twice",
+c.id]);this._byId[a.id]=a;this._byCid[a.cid]=a;this.models.splice(b.at!=null?b.at:this.comparator?this.sortedIndex(a,this.comparator):this.length,0,a);a.bind("all",this._onModelEvent);this.length++;b.silent||a.trigger("add",a,this,b);return a},_remove:function(a,b){b||(b={});a=this.getByCid(a)||this.get(a);if(!a)return null;delete this._byId[a.id];delete this._byCid[a.cid];this.models.splice(this.indexOf(a),1);this.length--;b.silent||a.trigger("remove",a,this,b);this._removeReference(a);return a},
+_removeReference:function(a){this==a.collection&&delete a.collection;a.unbind("all",this._onModelEvent)},_onModelEvent:function(a,b,c,d){(a=="add"||a=="remove")&&c!=this||(a=="destroy"&&this._remove(b,d),b&&a==="change:"+b.idAttribute&&(delete this._byId[b.previous(b.idAttribute)],this._byId[b.id]=b),this.trigger.apply(this,arguments))}});f.each(["forEach","each","map","reduce","reduceRight","find","detect","filter","select","reject","every","all","some","any","include","contains","invoke","max",
+"min","sortBy","sortedIndex","toArray","size","first","rest","last","without","indexOf","lastIndexOf","isEmpty","groupBy"],function(a){e.Collection.prototype[a]=function(){return f[a].apply(f,[this.models].concat(f.toArray(arguments)))}});e.Router=function(a){a||(a={});if(a.routes)this.routes=a.routes;this._bindRoutes();this.initialize.apply(this,arguments)};var q=/:([\w\d]+)/g,r=/\*([\w\d]+)/g,s=/[-[\]{}()+?.,\\^$|#\s]/g;f.extend(e.Router.prototype,e.Events,{initialize:function(){},route:function(a,
+b,c){e.history||(e.history=new e.History);f.isRegExp(a)||(a=this._routeToRegExp(a));e.history.route(a,f.bind(function(d){d=this._extractParameters(a,d);c.apply(this,d);this.trigger.apply(this,["route:"+b].concat(d))},this))},navigate:function(a,b){e.history.navigate(a,b)},_bindRoutes:function(){if(this.routes){var a=[],b;for(b in this.routes)a.unshift([b,this.routes[b]]);b=0;for(var c=a.length;b<c;b++)this.route(a[b][0],a[b][1],this[a[b][1]])}},_routeToRegExp:function(a){a=a.replace(s,"\\$&").replace(q,
+"([^/]*)").replace(r,"(.*?)");return RegExp("^"+a+"$")},_extractParameters:function(a,b){return a.exec(b).slice(1)}});e.History=function(){this.handlers=[];f.bindAll(this,"checkUrl")};var j=/^#*/,t=/msie [\w.]+/,m=!1;f.extend(e.History.prototype,{interval:50,getFragment:function(a,b){if(a==null)if(this._hasPushState||b){a=window.location.pathname;var c=window.location.search;c&&(a+=c);a.indexOf(this.options.root)==0&&(a=a.substr(this.options.root.length))}else a=window.location.hash;return decodeURIComponent(a.replace(j,
+""))},start:function(a){if(m)throw Error("Backbone.history has already been started");this.options=f.extend({},{root:"/"},this.options,a);this._wantsPushState=!!this.options.pushState;this._hasPushState=!(!this.options.pushState||!window.history||!window.history.pushState);a=this.getFragment();var b=document.documentMode;if(b=t.exec(navigator.userAgent.toLowerCase())&&(!b||b<=7))this.iframe=g('<iframe src="javascript:0" tabindex="-1" />').hide().appendTo("body")[0].contentWindow,this.navigate(a);
+this._hasPushState?g(window).bind("popstate",this.checkUrl):"onhashchange"in window&&!b?g(window).bind("hashchange",this.checkUrl):setInterval(this.checkUrl,this.interval);this.fragment=a;m=!0;a=window.location;b=a.pathname==this.options.root;if(this._wantsPushState&&!this._hasPushState&&!b)return this.fragment=this.getFragment(null,!0),window.location.replace(this.options.root+"#"+this.fragment),!0;else if(this._wantsPushState&&this._hasPushState&&b&&a.hash)this.fragment=a.hash.replace(j,""),window.history.replaceState({},
+document.title,a.protocol+"//"+a.host+this.options.root+this.fragment);if(!this.options.silent)return this.loadUrl()},route:function(a,b){this.handlers.unshift({route:a,callback:b})},checkUrl:function(){var a=this.getFragment();a==this.fragment&&this.iframe&&(a=this.getFragment(this.iframe.location.hash));if(a==this.fragment||a==decodeURIComponent(this.fragment))return!1;this.iframe&&this.navigate(a);this.loadUrl()||this.loadUrl(window.location.hash)},loadUrl:function(a){var b=this.fragment=this.getFragment(a);
+return f.any(this.handlers,function(a){if(a.route.test(b))return a.callback(b),!0})},navigate:function(a,b){var c=(a||"").replace(j,"");if(!(this.fragment==c||this.fragment==decodeURIComponent(c))){if(this._hasPushState){var d=window.location;c.indexOf(this.options.root)!=0&&(c=this.options.root+c);this.fragment=c;window.history.pushState({},document.title,d.protocol+"//"+d.host+c)}else if(window.location.hash=this.fragment=c,this.iframe&&c!=this.getFragment(this.iframe.location.hash))this.iframe.document.open().close(),
+this.iframe.location.hash=c;b&&this.loadUrl(a)}}});e.View=function(a){this.cid=f.uniqueId("view");this._configure(a||{});this._ensureElement();this.delegateEvents();this.initialize.apply(this,arguments)};var u=/^(\S+)\s*(.*)$/,n=["model","collection","el","id","attributes","className","tagName"];f.extend(e.View.prototype,e.Events,{tagName:"div",$:function(a){return g(a,this.el)},initialize:function(){},render:function(){return this},remove:function(){g(this.el).remove();return this},make:function(a,
+b,c){a=document.createElement(a);b&&g(a).attr(b);c&&g(a).html(c);return a},delegateEvents:function(a){if(a||(a=this.events))for(var b in f.isFunction(a)&&(a=a.call(this)),g(this.el).unbind(".delegateEvents"+this.cid),a){var c=this[a[b]];if(!c)throw Error('Event "'+a[b]+'" does not exist');var d=b.match(u),e=d[1];d=d[2];c=f.bind(c,this);e+=".delegateEvents"+this.cid;d===""?g(this.el).bind(e,c):g(this.el).delegate(d,e,c)}},_configure:function(a){this.options&&(a=f.extend({},this.options,a));for(var b=
+0,c=n.length;b<c;b++){var d=n[b];a[d]&&(this[d]=a[d])}this.options=a},_ensureElement:function(){if(this.el){if(f.isString(this.el))this.el=g(this.el).get(0)}else{var a=this.attributes||{};if(this.id)a.id=this.id;if(this.className)a["class"]=this.className;this.el=this.make(this.tagName,a)}}});e.Model.extend=e.Collection.extend=e.Router.extend=e.View.extend=function(a,b){var c=v(this,a,b);c.extend=this.extend;return c};var w={create:"POST",update:"PUT","delete":"DELETE",read:"GET"};e.sync=function(a,
+b,c){var d=w[a];c=f.extend({type:d,dataType:"json"},c);if(!c.url)c.url=k(b)||l();if(!c.data&&b&&(a=="create"||a=="update"))c.contentType="application/json",c.data=JSON.stringify(b.toJSON());if(e.emulateJSON)c.contentType="application/x-www-form-urlencoded",c.data=c.data?{model:c.data}:{};if(e.emulateHTTP&&(d==="PUT"||d==="DELETE")){if(e.emulateJSON)c.data._method=d;c.type="POST";c.beforeSend=function(a){a.setRequestHeader("X-HTTP-Method-Override",d)}}if(c.type!=="GET"&&!e.emulateJSON)c.processData=
+!1;return g.ajax(c)};var o=function(){},v=function(a,b,c){var d;d=b&&b.hasOwnProperty("constructor")?b.constructor:function(){return a.apply(this,arguments)};f.extend(d,a);o.prototype=a.prototype;d.prototype=new o;b&&f.extend(d.prototype,b);c&&f.extend(d,c);d.prototype.constructor=d;d.__super__=a.prototype;return d},k=function(a){if(!a||!a.url)return null;return f.isFunction(a.url)?a.url():a.url},l=function(){throw Error('A "url" property or function must be specified');},i=function(a,b,c){return function(d){a?
+a(b,d,c):b.trigger("error",b,d,c)}}}).call(this);
View
1,139 vendor/assets/javascripts/backbone.js
@@ -1,27 +1,20 @@
-// Backbone.js 0.9.2
-
-// (c) 2010-2012 Jeremy Ashkenas, DocumentCloud Inc.
+// Backbone.js 0.5.3
+// (c) 2010 Jeremy Ashkenas, DocumentCloud Inc.
// Backbone may be freely distributed under the MIT license.
// For all details and documentation:
-// http://backbonejs.org
+// http://documentcloud.github.com/backbone
(function(){
// Initial Setup
// -------------
- // Save a reference to the global object (`window` in the browser, `global`
- // on the server).
+ // Save a reference to the global object.
var root = this;
- // Save the previous value of the `Backbone` variable, so that it can be
- // restored later on, if `noConflict` is used.
+ // Save the previous value of the `Backbone` variable.
var previousBackbone = root.Backbone;
- // Create a local reference to slice/splice.
- var slice = Array.prototype.slice;
- var splice = Array.prototype.splice;
-
// The top-level namespace. All public Backbone classes and modules will
// be attached to this. Exported for both CommonJS and the browser.
var Backbone;
@@ -32,23 +25,14 @@
}
// Current version of the library. Keep in sync with `package.json`.
- Backbone.VERSION = '0.9.2';
+ Backbone.VERSION = '0.5.3';
// Require Underscore, if we're on the server, and it's not already present.
var _ = root._;
- if (!_ && (typeof require !== 'undefined')) _ = require('underscore');
-
- // For Backbone's purposes, jQuery, Zepto, or Ender owns the `$` variable.
- var $ = root.jQuery || root.Zepto || root.ender;
-
- // Set the JavaScript library that will be used for DOM manipulation and
- // Ajax calls (a.k.a. the `$` variable). By default Backbone will use: jQuery,
- // Zepto, or Ender; but the `setDomLibrary()` method lets you inject an
- // alternate JavaScript library (or a mock library for testing your views
- // outside of a browser).
- Backbone.setDomLibrary = function(lib) {
- $ = lib;
- };
+ if (!_ && (typeof require !== 'undefined')) _ = require('underscore')._;
+
+ // For Backbone's purposes, jQuery or Zepto owns the `$` variable.
+ var $ = root.jQuery || root.Zepto;
// Runs Backbone.js in *noConflict* mode, returning the `Backbone` variable
// to its previous owner. Returns a reference to this Backbone object.
@@ -57,9 +41,9 @@
return this;
};
- // Turn on `emulateHTTP` to support legacy HTTP servers. Setting this option
- // will fake `"PUT"` and `"DELETE"` requests via the `_method` parameter and
- // set a `X-Http-Method-Override` header.
+ // Turn on `emulateHTTP` to support legacy HTTP servers. Setting this option will
+ // fake `"PUT"` and `"DELETE"` requests via the `_method` parameter and set a
+ // `X-Http-Method-Override` header.
Backbone.emulateHTTP = false;
// Turn on `emulateJSON` to support legacy servers that can't deal with direct
@@ -71,481 +55,355 @@
// Backbone.Events
// -----------------
- // Regular expression used to split event strings
- var eventSplitter = /\s+/;
-
// A module that can be mixed in to *any object* in order to provide it with
- // custom events. You may bind with `on` or remove with `off` callback functions
- // to an event; trigger`-ing an event fires all callbacks in succession.
+ // custom events. You may `bind` or `unbind` a callback function to an event;
+ // `trigger`-ing an event fires all callbacks in succession.
//
// var object = {};
// _.extend(object, Backbone.Events);
- // object.on('expand', function(){ alert('expanded'); });
+ // object.bind('expand', function(){ alert('expanded'); });
// object.trigger('expand');
//
- var Events = Backbone.Events = {
-
- // Bind one or more space separated events, `events`, to a `callback`
- // function. Passing `"all"` will bind the callback to all events fired.
- on: function(events, callback, context) {
-
- var calls, event, node, tail, list;
- if (!callback) return this;
- events = events.split(eventSplitter);
- calls = this._callbacks || (this._callbacks = {});
-
- // Create an immutable callback list, allowing traversal during
- // modification. The tail is an empty object that will always be used
- // as the next node.
- while (event = events.shift()) {
- list = calls[event];
- node = list ? list.tail : {};
- node.next = tail = {};
- node.context = context;
- node.callback = callback;
- calls[event] = {tail: tail, next: list ? list.next : node};
- }
-
+ Backbone.Events = {
+
+ // Bind an event, specified by a string name, `ev`, to a `callback` function.
+ // Passing `"all"` will bind the callback to all events fired.
+ bind : function(ev, callback, context) {
+ var calls = this._callbacks || (this._callbacks = {});
+ var list = calls[ev] || (calls[ev] = []);
+ list.push([callback, context]);
return this;
},
- // Remove one or many callbacks. If `context` is null, removes all callbacks
- // with that function. If `callback` is null, removes all callbacks for the
- // event. If `events` is null, removes all bound callbacks for all events.
- off: function(events, callback, context) {
- var event, calls, node, tail, cb, ctx;
-
- // No events, or removing *all* events.
- if (!(calls = this._callbacks)) return;
- if (!(events || callback || context)) {
- delete this._callbacks;
- return this;
- }
-
- // Loop through the listed events and contexts, splicing them out of the
- // linked list of callbacks if appropriate.
- events = events ? events.split(eventSplitter) : _.keys(calls);
- while (event = events.shift()) {
- node = calls[event];
- delete calls[event];
- if (!node || !(callback || context)) continue;
- // Create a new list, omitting the indicated callbacks.
- tail = node.tail;
- while ((node = node.next) !== tail) {
- cb = node.callback;
- ctx = node.context;
- if ((callback && cb !== callback) || (context && ctx !== context)) {
- this.on(event, cb, ctx);
+ // Remove one or many callbacks. If `callback` is null, removes all
+ // callbacks for the event. If `ev` is null, removes all bound callbacks
+ // for all events.
+ unbind : function(ev, callback) {
+ var calls;
+ if (!ev) {
+ this._callbacks = {};
+ } else if (calls = this._callbacks) {
+ if (!callback) {
+ calls[ev] = [];
+ } else {
+ var list = calls[ev];
+ if (!list) return this;
+ for (var i = 0, l = list.length; i < l; i++) {
+ if (list[i] && callback === list[i][0]) {
+ list[i] = null;
+ break;
+ }
}
}
}
-
return this;
},
- // Trigger one or many events, firing all bound callbacks. Callbacks are
- // passed the same arguments as `trigger` is, apart from the event name
- // (unless you're listening on `"all"`, which will cause your callback to
- // receive the true name of the event as the first argument).
- trigger: function(events) {
- var event, node, calls, tail, args, all, rest;
+ // Trigger an event, firing all bound callbacks. Callbacks are passed the
+ // same arguments as `trigger` is, apart from the event name.
+ // Listening for `"all"` passes the true event name as the first argument.
+ trigger : function(eventName) {
+ var list, calls, ev, callback, args;
+ var both = 2;
if (!(calls = this._callbacks)) return this;
- all = calls.all;
- events = events.split(eventSplitter);
- rest = slice.call(arguments, 1);
-
- // For each event, walk through the linked list of callbacks twice,
- // first to trigger the event, then to trigger any `"all"` callbacks.
- while (event = events.shift()) {
- if (node = calls[event]) {
- tail = node.tail;
- while ((node = node.next) !== tail) {
- node.callback.apply(node.context || this, rest);
- }
- }
- if (node = all) {
- tail = node.tail;
- args = [event].concat(rest);
- while ((node = node.next) !== tail) {
- node.callback.apply(node.context || this, args);
+ while (both--) {
+ ev = both ? eventName : 'all';
+ if (list = calls[ev]) {
+ for (var i = 0, l = list.length; i < l; i++) {
+ if (!(callback = list[i])) {
+ list.splice(i, 1); i--; l--;
+ } else {
+ args = both ? Array.prototype.slice.call(arguments, 1) : arguments;
+ callback[0].apply(callback[1] || this, args);
+ }
}
}
}
-
return this;
}
};
- // Aliases for backwards compatibility.
- Events.bind = Events.on;
- Events.unbind = Events.off;
-
// Backbone.Model
// --------------
// Create a new model, with defined attributes. A client id (`cid`)
// is automatically generated and assigned for you.
- var Model = Backbone.Model = function(attributes, options) {
+ Backbone.Model = function(attributes, options) {
var defaults;
attributes || (attributes = {});
- if (options && options.parse) attributes = this.parse(attributes);
- if (defaults = getValue(this, 'defaults')) {
+ if (defaults = this.defaults) {
+ if (_.isFunction(defaults)) defaults = defaults.call(this);
attributes = _.extend({}, defaults, attributes);
}
- if (options && options.collection) this.collection = options.collection;
this.attributes = {};
this._escapedAttributes = {};
this.cid = _.uniqueId('c');
- this.changed = {};
- this._silent = {};
- this._pending = {};
- this.set(attributes, {silent: true});
- // Reset change tracking.
- this.changed = {};
- this._silent = {};
- this._pending = {};
+ this.set(attributes, {silent : true});
+ this._changed = false;
this._previousAttributes = _.clone(this.attributes);
- this.initialize.apply(this, arguments);
+ if (options && options.collection) this.collection = options.collection;
+ this.initialize(attributes, options);
};
// Attach all inheritable methods to the Model prototype.
- _.extend(Model.prototype, Events, {
+ _.extend(Backbone.Model.prototype, Backbone.Events, {
- // A hash of attributes whose current and previous value differ.
- changed: null,
+ // A snapshot of the model's previous attributes, taken immediately
+ // after the last `"change"` event was fired.
+ _previousAttributes : null,
- // A hash of attributes that have silently changed since the last time
- // `change` was called. Will become pending attributes on the next call.
- _silent: null,
-
- // A hash of attributes that have changed since the last `'change'` event
- // began.
- _pending: null,
+ // Has the item been changed since the last `"change"` event?
+ _changed : false,
// The default name for the JSON `id` attribute is `"id"`. MongoDB and
// CouchDB users may want to set this to `"_id"`.
- idAttribute: 'id',
+ idAttribute : 'id',
// Initialize is an empty function by default. Override it with your own
// initialization logic.
- initialize: function(){},
+ initialize : function(){},
// Return a copy of the model's `attributes` object.
- toJSON: function(options) {
+ toJSON : function() {
return _.clone(this.attributes);
},
// Get the value of an attribute.
- get: function(attr) {
+ get : function(attr) {
return this.attributes[attr];
},
// Get the HTML-escaped value of an attribute.
- escape: function(attr) {
+ escape : function(attr) {
var html;
if (html = this._escapedAttributes[attr]) return html;
- var val = this.get(attr);
- return this._escapedAttributes[attr] = _.escape(val == null ? '' : '' + val);
+ var val = this.attributes[attr];
+ return this._escapedAttributes[attr] = escapeHTML(val == null ? '' : '' + val);
},
// Returns `true` if the attribute contains a value that is not null
// or undefined.
- has: function(attr) {
- return this.get(attr) != null;
+ has : function(attr) {
+ return this.attributes[attr] != null;
},
- // Set a hash of model attributes on the object, firing `"change"` unless
- // you choose to silence it.
- set: function(key, value, options) {
- var attrs, attr, val;
-
- // Handle both `"key", value` and `{key: value}` -style arguments.
- if (_.isObject(key) || key == null) {
- attrs = key;
- options = value;
- } else {
- attrs = {};
- attrs[key] = value;
- }
+ // Set a hash of model attributes on the object, firing `"change"` unless you
+ // choose to silence it.
+ set : function(attrs, options) {
// Extract attributes and options.
options || (options = {});
if (!attrs) return this;
- if (attrs instanceof Model) attrs = attrs.attributes;
- if (options.unset) for (attr in attrs) attrs[attr] = void 0;
+ if (attrs.attributes) attrs = attrs.attributes;
+ var now = this.attributes, escaped = this._escapedAttributes;
// Run validation.
- if (!this._validate(attrs, options)) return false;
+ if (!options.silent && this.validate && !this._performValidation(attrs, options)) return false;
// Check for changes of `id`.
if (this.idAttribute in attrs) this.id = attrs[this.idAttribute];
- var changes = options.changes = {};
- var now = this.attributes;
- var escaped = this._escapedAttributes;
- var prev = this._previousAttributes || {};
-
- // For each `set` attribute...
- for (attr in attrs) {
- val = attrs[attr];
+ // We're about to start triggering change events.
+ var alreadyChanging = this._changing;
+ this._changing = true;
- // If the new and current value differ, record the change.
- if (!_.isEqual(now[attr], val) || (options.unset && _.has(now, attr))) {
+ // Update attributes.
+ for (var attr in attrs) {
+ var val = attrs[attr];
+ if (!_.isEqual(now[attr], val)) {
+ now[attr] = val;
delete escaped[attr];
- (options.silent ? this._silent : changes)[attr] = true;
- }
-
- // Update or delete the current value.
- options.unset ? delete now[attr] : now[attr] = val;
-
- // If the new and previous value differ, record the change. If not,
- // then remove changes for this attribute.
- if (!_.isEqual(prev[attr], val) || (_.has(now, attr) != _.has(prev, attr))) {
- this.changed[attr] = val;
- if (!options.silent) this._pending[attr] = true;
- } else {
- delete this.changed[attr];
- delete this._pending[attr];
+ this._changed = true;
+ if (!options.silent) this.trigger('change:' + attr, this, val, options);
}
}
- // Fire the `"change"` events.
- if (!options.silent) this.change(options);
+ // Fire the `"change"` event, if the model has been changed.
+ if (!alreadyChanging && !options.silent && this._changed) this.change(options);
+ this._changing = false;
return this;
},
// Remove an attribute from the model, firing `"change"` unless you choose
// to silence it. `unset` is a noop if the attribute doesn't exist.
- unset: function(attr, options) {
- (options || (options = {})).unset = true;
- return this.set(attr, null, options);
+ unset : function(attr, options) {
+ if (!(attr in this.attributes)) return this;
+ options || (options = {});
+ var value = this.attributes[attr];
+
+ // Run validation.
+ var validObj = {};
+ validObj[attr] = void 0;
+ if (!options.silent && this.validate && !this._performValidation(validObj, options)) return false;
+
+ // Remove the attribute.
+ delete this.attributes[attr];
+ delete this._escapedAttributes[attr];
+ if (attr == this.idAttribute) delete this.id;
+ this._changed = true;
+ if (!options.silent) {
+ this.trigger('change:' + attr, this, void 0, options);
+ this.change(options);
+ }
+ return this;
},
// Clear all attributes on the model, firing `"change"` unless you choose
// to silence it.
- clear: function(options) {
- (options || (options = {})).unset = true;
- return this.set(_.clone(this.attributes), options);
+ clear : function(options) {
+ options || (options = {});
+ var attr;
+ var old = this.attributes;
+
+ // Run validation.
+ var validObj = {};
+ for (attr in old) validObj[attr] = void 0;
+ if (!options.silent && this.validate && !this._performValidation(validObj, options)) return false;
+
+ this.attributes = {};
+ this._escapedAttributes = {};
+ this._changed = true;
+ if (!options.silent) {
+ for (attr in old) {
+ this.trigger('change:' + attr, this, void 0, options);
+ }
+ this.change(options);
+ }
+ return this;
},
// Fetch the model from the server. If the server's representation of the
// model differs from its current attributes, they will be overriden,
// triggering a `"change"` event.
- fetch: function(options) {
- options = options ? _.clone(options) : {};
+ fetch : function(options) {
+ options || (options = {});
var model = this;
var success = options.success;
options.success = function(resp, status, xhr) {
if (!model.set(model.parse(resp, xhr), options)) return false;
if (success) success(model, resp);
};
- options.error = Backbone.wrapError(options.error, model, options);
+ options.error = wrapError(options.error, model, options);
return (this.sync || Backbone.sync).call(this, 'read', this, options);
},
// Set a hash of model attributes, and sync the model to the server.
// If the server returns an attributes hash that differs, the model's
// state will be `set` again.
- save: function(key, value, options) {
- var attrs, current;
-
- // Handle both `("key", value)` and `({key: value})` -style calls.
- if (_.isObject(key) || key == null) {
- attrs = key;
- options = value;
- } else {
- attrs = {};
- attrs[key] = value;
- }
- options = options ? _.clone(options) : {};
-
- // If we're "wait"-ing to set changed attributes, validate early.
- if (options.wait) {
- if (!this._validate(attrs, options)) return false;
- current = _.clone(this.attributes);
- }
-
- // Regular saves `set` attributes before persisting to the server.
- var silentOptions = _.extend({}, options, {silent: true});
- if (attrs && !this.set(attrs, options.wait ? silentOptions : options)) {
- return false;
- }
-
- // After a successful server-side save, the client is (optionally)
- // updated with the server-side state.
+ save : function(attrs, options) {
+ options || (options = {});
+ if (attrs && !this.set(attrs, options)) return false;
var model = this;
var success = options.success;
options.success = function(resp, status, xhr) {
- var serverAttrs = model.parse(resp, xhr);
- if (options.wait) {
- delete options.wait;
- serverAttrs = _.extend(attrs || {}, serverAttrs);
- }
- if (!model.set(serverAttrs, options)) return false;
- if (success) {
- success(model, resp);
- } else {
- model.trigger('sync', model, resp, options);
- }
+ if (!model.set(model.parse(resp, xhr), options)) return false;
+ if (success) success(model, resp, xhr);
};
-
- // Finish configuring and sending the Ajax request.
- options.error = Backbone.wrapError(options.error, model, options);
+ options.error = wrapError(options.error, model, options);
var method = this.isNew() ? 'create' : 'update';
- var xhr = (this.sync || Backbone.sync).call(this, method, this, options);
- if (options.wait) this.set(current, silentOptions);
- return xhr;
+ return (this.sync || Backbone.sync).call(this, method, this, options);
},
- // Destroy this model on the server if it was already persisted.
- // Optimistically removes the model from its collection, if it has one.
- // If `wait: true` is passed, waits for the server to respond before removal.
- destroy: function(options) {
- options = options ? _.clone(options) : {};
+ // Destroy this model on the server if it was already persisted. Upon success, the model is removed
+ // from its collection, if it has one.
+ destroy : function(options) {
+ options || (options = {});
+ if (this.isNew()) return this.trigger('destroy', this, this.collection, options);
var model = this;
var success = options.success;
-
- var triggerDestroy = function() {
- model.trigger('destroy', model, model.collection, options);
- };
-
- if (this.isNew()) {
- triggerDestroy();
- return false;
- }
-
options.success = function(resp) {
- if (options.wait) triggerDestroy();
- if (success) {
- success(model, resp);
- } else {
- model.trigger('sync', model, resp, options);
- }
+ model.trigger('destroy', model, model.collection, options);
+ if (success) success(model, resp);
};
-
- options.error = Backbone.wrapError(options.error, model, options);
- var xhr = (this.sync || Backbone.sync).call(this, 'delete', this, options);
- if (!options.wait) triggerDestroy();
- return xhr;
+ options.error = wrapError(options.error, model, options);
+ return (this.sync || Backbone.sync).call(this, 'delete', this, options);
},
// Default URL for the model's representation on the server -- if you're
// using Backbone's restful methods, override this to change the endpoint
// that will be called.
- url: function() {
- var base = getValue(this, 'urlRoot') || getValue(this.collection, 'url') || urlError();
+ url : function() {
+ var base = getUrl(this.collection) || this.urlRoot || urlError();
if (this.isNew()) return base;
return base + (base.charAt(base.length - 1) == '/' ? '' : '/') + encodeURIComponent(this.id);
},
// **parse** converts a response into the hash of attributes to be `set` on
// the model. The default implementation is just to pass the response along.
- parse: function(resp, xhr) {
+ parse : function(resp, xhr) {
return resp;
},
// Create a new model with identical attributes to this one.
- clone: function() {
- return new this.constructor(this.attributes);
+ clone : function() {
+ return new this.constructor(this);
},
// A model is new if it has never been saved to the server, and lacks an id.
- isNew: function() {
+ isNew : function() {
return this.id == null;
},
- // Call this method to manually fire a `"change"` event for this model and
- // a `"change:attribute"` event for each changed attribute.
+ // Call this method to manually fire a `change` event for this model.
// Calling this will cause all objects observing the model to update.
- change: function(options) {
- options || (options = {});
- var changing = this._changing;
- this._changing = true;
-
- // Silent changes become pending changes.
- for (var attr in this._silent) this._pending[attr] = true;
-
- // Silent changes are triggered.
- var changes = _.extend({}, options.changes, this._silent);
- this._silent = {};
- for (var attr in changes) {
- this.trigger('change:' + attr, this, this.get(attr), options);
- }
- if (changing) return this;
-
- // Continue firing `"change"` events while there are pending changes.
- while (!_.isEmpty(this._pending)) {
- this._pending = {};
- this.trigger('change', this, options);
- // Pending and silent changes still remain.
- for (var attr in this.changed) {
- if (this._pending[attr] || this._silent[attr]) continue;
- delete this.changed[attr];
- }
- this._previousAttributes = _.clone(this.attributes);
- }
-
- this._changing = false;
- return this;
+ change : function(options) {
+ this.trigger('change', this, options);
+ this._previousAttributes = _.clone(this.attributes);
+ this._changed = false;
},
// Determine if the model has changed since the last `"change"` event.
// If you specify an attribute name, determine if that attribute has changed.
- hasChanged: function(attr) {
- if (!arguments.length) return !_.isEmpty(this.changed);
- return _.has(this.changed, attr);
+ hasChanged : function(attr) {
+ if (attr) return this._previousAttributes[attr] != this.attributes[attr];
+ return this._changed;
},
- // Return an object containing all the attributes that have changed, or
- // false if there are no changed attributes. Useful for determining what
- // parts of a view need to be updated and/or what attributes need to be
- // persisted to the server. Unset attributes will be set to undefined.
- // You can also pass an attributes object to diff against the model,
- // determining if there *would be* a change.
- changedAttributes: function(diff) {
- if (!diff) return this.hasChanged() ? _.clone(this.changed) : false;
- var val, changed = false, old = this._previousAttributes;
- for (var attr in diff) {
- if (_.isEqual(old[attr], (val = diff[attr]))) continue;
- (changed || (changed = {}))[attr] = val;
+ // Return an object containing all the attributes that have changed, or false
+ // if there are no changed attributes. Useful for determining what parts of a
+ // view need to be updated and/or what attributes need to be persisted to
+ // the server.
+ changedAttributes : function(now) {
+ now || (now = this.attributes);
+ var old = this._previousAttributes;
+ var changed = false;
+ for (var attr in now) {
+ if (!_.isEqual(old[attr], now[attr])) {
+ changed = changed || {};
+ changed[attr] = now[attr];
+ }
}
return changed;
},
// Get the previous value of an attribute, recorded at the time the last
// `"change"` event was fired.
- previous: function(attr) {
- if (!arguments.length || !this._previousAttributes) return null;
+ previous : function(attr) {
+ if (!attr || !this._previousAttributes) return null;
return this._previousAttributes[attr];
},
// Get all of the attributes of the model at the time of the previous
// `"change"` event.
- previousAttributes: function() {
+ previousAttributes : function() {
return _.clone(this._previousAttributes);
},
- // Check if the model is currently in a valid state. It's only possible to
- // get into an *invalid* state if you're using silent changes.
- isValid: function() {
- return !this.validate(this.attributes);
- },
-
- // Run validation against the next complete set of model attributes,
- // returning `true` if all is well. If a specific `error` callback has
- // been passed, call that instead of firing the general `"error"` event.
- _validate: function(attrs, options) {
- if (options.silent || !this.validate) return true;
- attrs = _.extend({}, this.attributes, attrs);
- var error = this.validate(attrs, options);
- if (!error) return true;
- if (options && options.error) {
- options.error(this, error, options);
- } else {
- this.trigger('error', this, error, options);
+ // Run validation against a set of incoming attributes, returning `true`
+ // if all is well. If a specific `error` callback has been passed,
+ // call that instead of firing the general `"error"` event.
+ _performValidation : function(attrs, options) {
+ var error = this.validate(attrs);
+ if (error) {
+ if (options.error) {
+ options.error(this, error, options);
+ } else {
+ this.trigger('error', this, error, options);
+ }
+ return false;
}
- return false;
+ return true;
}
});
@@ -556,142 +414,66 @@
// Provides a standard collection class for our sets of models, ordered
// or unordered. If a `comparator` is specified, the Collection will maintain
// its models in sort order, as they're added and removed.
- var Collection = Backbone.Collection = function(models, options) {
+ Backbone.Collection = function(models, options) {
options || (options = {});
- if (options.model) this.model = options.model;
if (options.comparator) this.comparator = options.comparator;
+ _.bindAll(this, '_onModelEvent', '_removeReference');
this._reset();
+ if (models) this.reset(models, {silent: true});
this.initialize.apply(this, arguments);
- if (models) this.reset(models, {silent: true, parse: options.parse});
};
// Define the Collection's inheritable methods.
- _.extend(Collection.prototype, Events, {
+ _.extend(Backbone.Collection.prototype, Backbone.Events, {
// The default model for a collection is just a **Backbone.Model**.
// This should be overridden in most cases.
- model: Model,
+ model : Backbone.Model,
// Initialize is an empty function by default. Override it with your own
// initialization logic.
- initialize: function(){},
+ initialize : function(){},
// The JSON representation of a Collection is an array of the
// models' attributes.
- toJSON: function(options) {
- return this.map(function(model){ return model.toJSON(options); });
+ toJSON : function() {
+ return this.map(function(model){ return model.toJSON(); });
},
// Add a model, or list of models to the set. Pass **silent** to avoid
- // firing the `add` event for every new model.
- add: function(models, options) {
- var i, index, length, model, cid, id, cids = {}, ids = {}, dups = [];
- options || (options = {});
- models = _.isArray(models) ? models.slice() : [models];
-
- // Begin by turning bare objects into model references, and preventing
- // invalid models or duplicate models from being added.
- for (i = 0, length = models.length; i < length; i++) {
- if (!(model = models[i] = this._prepareModel(models[i], options))) {
- throw new Error("Can't add an invalid model to a collection");
- }
- cid = model.cid;
- id = model.id;
- if (cids[cid] || this._byCid[cid] || ((id != null) && (ids[id] || this._byId[id]))) {
- dups.push(i);
- continue;
+ // firing the `added` event for every new model.
+ add : function(models, options) {
+ if (_.isArray(models)) {
+ for (var i = 0, l = models.length; i < l; i++) {
+ this._add(models[i], options);
}
- cids[cid] = ids[id] = model;
- }
-
- // Remove duplicates.
- i = dups.length;
- while (i--) {
- models.splice(dups[i], 1);
- }
-
- // Listen to added models' events, and index models for lookup by
- // `id` and by `cid`.
- for (i = 0, length = models.length; i < length; i++) {
- (model = models[i]).on('all', this._onModelEvent, this);
- this._byCid[model.cid] = model;
- if (model.id != null) this._byId[model.id] = model;
- }
-
- // Insert models into the collection, re-sorting if needed, and triggering
- // `add` events unless silenced.
- this.length += length;
- index = options.at != null ? options.at : this.models.length;
- splice.apply(this.models, [index, 0].concat(models));
- if (this.comparator) this.sort({silent: true});
- if (options.silent) return this;
- for (i = 0, length = this.models.length; i < length; i++) {
- if (!cids[(model = this.models[i]).cid]) continue;
- options.index = i;
- model.trigger('add', model, this, options);
+ } else {
+ this._add(models, options);
}
return this;
},
// Remove a model, or a list of models from the set. Pass silent to avoid
- // firing the `remove` event for every model removed.
- remove: function(models, options) {
- var i, l, index, model;
- options || (options = {});
- models = _.isArray(models) ? models.slice() : [models];
- for (i = 0, l = models.length; i < l; i++) {
- model = this.getByCid(models[i]) || this.get(models[i]);
- if (!model) continue;
- delete this._byId[model.id];
- delete this._byCid[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);
+ // firing the `removed` event for every model removed.
+ remove : function(models, options) {
+ if (_.isArray(models)) {
+ for (var i = 0, l = models.length; i < l; i++) {
+ this._remove(models[i], options);
}
- this._removeReference(model);
+ } else {
+ this._remove(models, options);
}
return this;
},
- // Add a model to the end of the collection.
- push: function(model, options) {
- model = this._prepareModel(model, options);
- this.add(model, options);
- return model;
- },
-
- // Remove a model from the end of the collection.
- pop: function(options) {
- var model = this.at(this.length - 1);
- this.remove(model, options);
- return model;
- },
-
- // Add a model to the beginning of the collection.
- unshift: function(model, options) {
- model = this._prepareModel(model, options);
- this.add(model, _.extend({at: 0}, options));
- return model;
- },
-
- // Remove a model from the beginning of the collection.
- shift: function(options) {
- var model = this.at(0);
- this.remove(model, options);
- return model;
- },
-
// Get a model from the set by id.
- get: function(id) {
- if (id == null) return void 0;
+ get : function(id) {
+ if (id == null) return null;
return this._byId[id.id != null ? id.id : id];
},
// Get a model from the set by client id.
- getByCid: function(cid) {
+ getByCid : function(cid) {
return cid && this._byCid[cid.cid || cid];
},
@@ -700,49 +482,30 @@
return this.models[index];
},
- // Return models with matching attributes. Useful for simple cases of `filter`.
- where: function(attrs) {
- if (_.isEmpty(attrs)) return [];
- return this.filter(function(model) {
- for (var key in attrs) {
- if (attrs[key] !== model.get(key)) return false;
- }
- return true;
- });
- },
-
- // Force the collection to re-sort itself. You don't need to call this under
- // normal circumstances, as the set will maintain sort order as each item
- // is added.
- sort: function(options) {
+ // Force the collection to re-sort itself. You don't need to call this under normal
+ // circumstances, as the set will maintain sort order as each item is added.
+ sort : function(options) {
options || (options = {});
if (!this.comparator) throw new Error('Cannot sort a set without a comparator');
- var boundComparator = _.bind(this.comparator, this);
- if (this.comparator.length == 1) {
- this.models = this.sortBy(boundComparator);
- } else {
- this.models.sort(boundComparator);
- }
+ this.models = this.sortBy(this.comparator);
if (!options.silent) this.trigger('reset', this, options);
return this;
},
// Pluck an attribute from each model in the collection.
- pluck: function(attr) {
+ pluck : function(attr) {
return _.map(this.models, function(model){ return model.get(attr); });
},
// When you have more items than you want to add or remove individually,
// you can reset the entire set with a new list of models, without firing
- // any `add` or `remove` events. Fires `reset` when finished.
- reset: function(models, options) {
+ // any `added` or `removed` events. Fires `reset` when finished.
+ reset : function(models, options) {
models || (models = []);
options || (options = {});
- for (var i = 0, l = this.models.length; i < l; i++) {
- this._removeReference(this.models[i]);
- }
+ this.each(this._removeReference);
this._reset();
- this.add(models, _.extend({silent: true}, options));
+ this.add(models, {silent: true});
if (!options.silent) this.trigger('reset', this, options);
return this;
},
@@ -750,36 +513,30 @@
// Fetch the default set of models for this collection, resetting the
// collection when they arrive. If `add: true` is passed, appends the
// models to the collection instead of resetting.
- fetch: function(options) {
- options = options ? _.clone(options) : {};
- if (options.parse === undefined) options.parse = true;
+ fetch : function(options) {
+ options || (options = {});
var collection = this;
var success = options.success;
options.success = function(resp, status, xhr) {
collection[options.add ? 'add' : 'reset'](collection.parse(resp, xhr), options);
if (success) success(collection, resp);
};
- options.error = Backbone.wrapError(options.error, collection, options);
+ options.error = wrapError(options.error, collection, options);
return (this.sync || Backbone.sync).call(this, 'read', this, options);
},
- // Create a new instance of a model in this collection. Add the model to the
- // collection immediately, unless `wait: true` is passed, in which case we
- // wait for the server to agree.
- create: function(model, options) {
+ // Create a new instance of a model in this collection. After the model
+ // has been created on the server, it will be added to the collection.
+ // Returns the model, or 'false' if validation on a new model fails.
+ create : function(model, options) {
var coll = this;
- options = options ? _.clone(options) : {};
+ options || (options = {});
model = this._prepareModel(model, options);
if (!model) return false;
- if (!options.wait) coll.add(model, options);
var success = options.success;
options.success = function(nextModel, resp, xhr) {
- if (options.wait) coll.add(nextModel, options);
- if (success) {
- success(nextModel, resp);
- } else {
- nextModel.trigger('sync', model, resp, options);
- }
+ coll.add(nextModel, options);
+ if (success) success(nextModel, resp, xhr);
};
model.save(null, options);
return model;
@@ -787,7 +544,7 @@
// **parse** converts a response into a list of models to be added to the
// collection. The default implementation is just to pass it through.
- parse: function(resp, xhr) {
+ parse : function(resp, xhr) {
return resp;
},
@@ -799,45 +556,79 @@
},
// Reset all internal state. Called when the collection is reset.
- _reset: function(options) {
+ _reset : function(options) {
this.length = 0;
this.models = [];
this._byId = {};
this._byCid = {};
},
- // Prepare a model or hash of attributes to be added to this collection.
+ // Prepare a model to be added to this collection
_prepareModel: function(model, options) {
- options || (options = {});
- if (!(model instanceof Model)) {
+ if (!(model instanceof Backbone.Model)) {
var attrs = model;
- options.collection = this;
- model = new this.model(attrs, options);
- if (!model._validate(model.attributes, options)) model = false;
+ model = new this.model(attrs, {collection: this});
+ if (model.validate && !model._performValidation(attrs, options)) model = false;
} else if (!model.collection) {
model.collection = this;
}
return model;
},
+ // Internal implementation of adding a single model to the set, updating
+ // hash indexes for `id` and `cid` lookups.
+ // Returns the model, or 'false' if validation on a new model fails.
+ _add : function(model, options) {
+ options || (options = {});
+ model = this._prepareModel(model, options);
+ if (!model) return false;
+ var already = this.getByCid(model);
+ if (already) throw new Error(["Can't add the same model to a set twice", already.id]);
+ this._byId[model.id] = model;
+ this._byCid[model.cid] = model;
+ var index = options.at != null ? options.at :
+ this.comparator ? this.sortedIndex(model, this.comparator) :
+ this.length;
+ this.models.splice(index, 0, model);
+ model.bind('all', this._onModelEvent);
+ this.length++;
+ if (!options.silent) model.trigger('add', model, this, options);
+ return model;
+ },
+
+ // Internal implementation of removing a single model from the set, updating
+ // hash indexes for `id` and `cid` lookups.
+ _remove : function(model, options) {
+ options || (options = {});
+ model = this.getByCid(model) || this.get(model);
+ if (!model) return null;
+ delete this._byId[model.id];
+ delete this._byCid[model.cid];
+ this.models.splice(this.indexOf(model), 1);
+ this.length--;
+ if (!options.silent) model.trigger('remove', model, this, options);
+ this._removeReference(model);
+ return model;
+ },
+
// Internal method to remove a model's ties to a collection.
- _removeReference: function(model) {
+ _removeReference : function(model) {
if (this == model.collection) {
delete model.collection;
}
- model.off('all', this._onModelEvent, this);
+ model.unbind('all', this._onModelEvent);
},
// Internal method called every time a model in the set fires an event.
// Sets need to update their indexes when models change ids. All other
// events simply proxy through. "add" and "remove" events that originate
// in other collections are ignored.
- _onModelEvent: function(event, model, collection, options) {
- if ((event == 'add' || event == 'remove') && collection != this) return;
- if (event == 'destroy') {
- this.remove(model, options);
+ _onModelEvent : function(ev, model, collection, options) {
+ if ((ev == 'add' || ev == 'remove') && collection != this) return;
+ if (ev == 'destroy') {
+ this._remove(model, options);
}
- if (model && event === 'change:' + model.idAttribute) {
+ if (model && ev === 'change:' + model.idAttribute) {
delete this._byId[model.previous(model.idAttribute)];
this._byId[model.id] = model;
}
@@ -847,15 +638,14 @@
});
// Underscore methods that we want to implement on the Collection.
- var methods = ['forEach', 'each', 'map', 'reduce', 'reduceRight', 'find',
- 'detect', 'filter', 'select', 'reject', 'every', 'all', 'some', 'any',
- 'include', 'contains', 'invoke', 'max', 'min', 'sortBy', 'sortedIndex',
- 'toArray', 'size', 'first', 'initial', 'rest', 'last', 'without', 'indexOf',
- 'shuffle', 'lastIndexOf', 'isEmpty', 'groupBy'];
+ var methods = ['forEach', 'each', 'map', 'reduce', 'reduceRight', 'find', 'detect',
+ 'filter', 'select', 'reject', 'every', 'all', 'some', 'any', 'include',
+ 'contains', 'invoke', 'max', 'min', 'sortBy', 'sortedIndex', 'toArray', 'size',
+ 'first', 'rest', 'last', 'without', 'indexOf', 'lastIndexOf', 'isEmpty', 'groupBy'];
// Mix in each Underscore method as a proxy to `Collection#models`.
_.each(methods, function(method) {
- Collection.prototype[method] = function() {
+ Backbone.Collection.prototype[method] = function() {
return _[method].apply(_, [this.models].concat(_.toArray(arguments)));
};
});
@@ -865,7 +655,7 @@
// Routers map faux-URLs to actions, and fire events when routes are
// matched. Creating a new one sets its `routes` hash, if not set statically.
- var Router = Backbone.Router = function(options) {
+ Backbone.Router = function(options) {
options || (options = {});
if (options.routes) this.routes = options.routes;
this._bindRoutes();
@@ -874,16 +664,16 @@
// Cached regular expressions for matching named param parts and splatted
// parts of route strings.
- var namedParam = /:\w+/g;
- var splatParam = /\*\w+/g;
+ var namedParam = /:([\w\d]+)/g;
+ var splatParam = /\*([\w\d]+)/g;
var escapeRegExp = /[-[\]{}()+?.,\\^$|#\s]/g;
// Set up all inheritable **Backbone.Router** properties and methods.
- _.extend(Router.prototype, Events, {
+ _.extend(Backbone.Router.prototype, Backbone.Events, {
// Initialize is an empty function by default. Override it with your own
// initialization logic.
- initialize: function(){},
+ initialize : function(){},
// Manually bind a single named route to a callback. For example:
//
@@ -891,28 +681,25 @@
// ...
// });
//
- route: function(route, name, callback) {
- Backbone.history || (Backbone.history = new History);
+ route : function(route, name, callback) {
+ Backbone.history || (Backbone.history = new Backbone.History);
if (!_.isRegExp(route)) route = this._routeToRegExp(route);
- if (!callback) callback = this[name];
Backbone.history.route(route, _.bind(function(fragment) {
var args = this._extractParameters(route, fragment);
- callback && callback.apply(this, args);
+ callback.apply(this, args);
this.trigger.apply(this, ['route:' + name].concat(args));
- Backbone.history.trigger('route', this, name, args);
}, this));
- return this;
},
// Simple proxy to `Backbone.history` to save a fragment into the history.
- navigate: function(fragment, options) {
- Backbone.history.navigate(fragment, options);
+ navigate : function(fragment, triggerRoute) {
+ Backbone.history.navigate(fragment, triggerRoute);
},
// Bind all defined routes to `Backbone.history`. We have to reverse the
// order of the routes here to support behavior where the most general
// routes can be defined at the bottom of the route map.
- _bindRoutes: function() {
+ _bindRoutes : function() {
if (!this.routes) return;
var routes = [];
for (var route in this.routes) {
@@ -925,16 +712,16 @@
// Convert a route string into a regular expression, suitable for matching
// against the current location hash.
- _routeToRegExp: function(route) {
- route = route.replace(escapeRegExp, '\\$&')
- .replace(namedParam, '([^\/]+)')
- .replace(splatParam, '(.*?)');
+ _routeToRegExp : function(route) {
+ route = route.replace(escapeRegExp, "\\$&")
+ .replace(namedParam, "([^\/]*)")
+ .replace(splatParam, "(.*?)");
return new RegExp('^' + route + '$');
},
// Given a route, and a URL fragment that it matches, return the array of
// extracted parameters.
- _extractParameters: function(route, fragment) {
+ _extractParameters : function(route, fragment) {
return route.exec(fragment).slice(1);
}
@@ -945,67 +732,56 @@
// Handles cross-browser history management, based on URL fragments. If the
// browser does not support `onhashchange`, falls back to polling.
- var History = Backbone.History = function() {
+ Backbone.History = function() {
this.handlers = [];
_.bindAll(this, 'checkUrl');
};
- // Cached regex for cleaning leading hashes and slashes .
- var routeStripper = /^[#\/]/;
+ // Cached regex for cleaning hashes.
+ var hashStrip = /^#*/;
// Cached regex for detecting MSIE.
var isExplorer = /msie [\w.]+/;
// Has the history handling already been started?
- History.started = false;
+ var historyStarted = false;
// Set up all inheritable **Backbone.History** properties and methods.
- _.extend(History.prototype, Events, {
+ _.extend(Backbone.History.prototype, {
// The default interval to poll for hash changes, if necessary, is
// twenty times a second.
interval: 50,
- // Gets the true hash value. Cannot use location.hash directly due to bug
- // in Firefox where location.hash will always be decoded.
- getHash: function(windowOverride) {
- var loc = windowOverride ? windowOverride.location : window.location;
- var match = loc.href.match(/#(.*)$/);
- return match ? match[1] : '';
- },
-
// Get the cross-browser normalized URL fragment, either from the URL,
// the hash, or the override.
- getFragment: function(fragment, forcePushState) {
+ getFragment : function(fragment, forcePushState) {
if (fragment == null) {
if (this._hasPushState || forcePushState) {
fragment = window.location.pathname;
var search = window.location.search;
if (search) fragment += search;
+ if (fragment.indexOf(this.options.root) == 0) fragment = fragment.substr(this.options.root.length);
} else {
- fragment = this.getHash();
+ fragment = window.location.hash;
}
}
- if (!fragment.indexOf(this.options.root)) fragment = fragment.substr(this.options.root.length);
- return fragment.replace(routeStripper, '');
+ return decodeURIComponent(fragment.replace(hashStrip, ''));
},
// Start the hash change handling, returning `true` if the current URL matches
// an existing route, and `false` otherwise.
- start: function(options) {
- if (History.started) throw new Error("Backbone.history has already been started");
- History.started = true;
+ start : function(options) {
// Figure out the initial configuration. Do we need an iframe?
// Is pushState desired ... is it available?
+ if (historyStarted) throw new Error("Backbone.history has already been started");
this.options = _.extend({}, {root: '/'}, this.options, options);
- this._wantsHashChange = this.options.hashChange !== false;
this._wantsPushState = !!this.options.pushState;
this._hasPushState = !!(this.options.pushState && window.history && window.history.pushState);
var fragment = this.getFragment();
var docMode = document.documentMode;
var oldIE = (isExplorer.exec(navigator.userAgent.toLowerCase()) && (!docMode || docMode <= 7));
-
if (oldIE) {
this.iframe = $('<iframe src="javascript:0" tabindex="-1" />').hide().appendTo('body')[0].contentWindow;
this.navigate(fragment);
@@ -1015,30 +791,25 @@
// 'onhashchange' is supported, determine how we check the URL state.
if (this._hasPushState) {
$(window).bind('popstate', this.checkUrl);
- } else if (this._wantsHashChange && ('onhashchange' in window) && !oldIE) {
+ } else if ('onhashchange' in window && !oldIE) {
$(window).bind('hashchange', this.checkUrl);
- } else if (this._wantsHashChange) {
- this._checkUrlInterval = setInterval(this.checkUrl, this.interval);
+ } else {
+ setInterval(this.checkUrl, this.interval);
}
// Determine if we need to change the base url, for a pushState link
// opened by a non-pushState browser.
this.fragment = fragment;
+ historyStarted = true;
var loc = window.location;
var atRoot = loc.pathname == this.options.root;
-
- // If we've started off with a route from a `pushState`-enabled browser,
- // but we're currently in a browser that doesn't support it...
- if (this._wantsHashChange && this._wantsPushState && !this._hasPushState && !atRoot) {
+ if (this._wantsPushState && !this._hasPushState && !atRoot) {
this.fragment = this.getFragment(null, true);
window.location.replace(this.options.root + '#' + this.fragment);
// Return immediately as browser will do redirect to new url
return true;
-
- // Or if we've started out with a hash-based route, but we're currently
- // in a browser where it could be `pushState`-based instead...
} else if (this._wantsPushState && this._hasPushState && atRoot && loc.hash) {
- this.fragment = this.getHash().replace(routeStripper, '');
+ this.fragment = loc.hash.replace(hashStrip, '');
window.history.replaceState({}, document.title, loc.protocol + '//' + loc.host + this.options.root + this.fragment);
}
@@ -1047,34 +818,26 @@
}
},
- // Disable Backbone.history, perhaps temporarily. Not useful in a real app,
- // but possibly useful for unit testing Routers.
- stop: function() {
- $(window).unbind('popstate', this.checkUrl).unbind('hashchange', this.checkUrl);
- clearInterval(this._checkUrlInterval);
- History.started = false;
- },
-
- // Add a route to be tested when the fragment changes. Routes added later
- // may override previous routes.
- route: function(route, callback) {
- this.handlers.unshift({route: route, callback: callback});
+ // Add a route to be tested when the fragment changes. Routes added later may
+ // override previous routes.
+ route : function(route, callback) {
+ this.handlers.unshift({route : route, callback : callback});
},
// Checks the current URL to see if it has changed, and if it has,
// calls `loadUrl`, normalizing across the hidden iframe.
- checkUrl: function(e) {
+ 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 (current == this.fragment && this.iframe) current = this.getFragment(this.iframe.location.hash);
+ if (current == this.fragment || current == decodeURIComponent(this.fragment)) return false;
if (this.iframe) this.navigate(current);
- this.loadUrl() || this.loadUrl(this.getHash());
+ this.loadUrl() || this.loadUrl(window.location.hash);
},
// Attempt to load the current URL fragment. If a route succeeds with a
// match, returns `true`. If no defined routes matches the fragment,
// returns `false`.
- loadUrl: function(fragmentOverride) {
+ loadUrl : function(fragmentOverride) {
var fragment = this.fragment = this.getFragment(fragmentOverride);
var matched = _.any(this.handlers, function(handler) {
if (handler.route.test(fragment)) {
@@ -1085,54 +848,27 @@
return matched;
},
- // Save a fragment into the hash history, or replace the URL state if the
- // 'replace' option is passed. You are responsible for properly URL-encoding
- // the fragment in advance.
- //
- // The options object can contain `trigger: true` if you wish to have the
- // route callback be fired (not usually desirable), or `replace: true`, if
- // you wish to modify the current URL without adding an entry to the history.
- navigate: function(fragment, options) {
- if (!History.started) return false;
- if (!options || options === true) options = {trigger: options};
- var frag = (fragment || '').replace(routeStripper, '');
- if (this.fragment == frag) return;
-
- // If pushState is available, we use it to set the fragment as a real URL.
+ // Save a fragment into the hash history. You are responsible for properly
+ // URL-encoding the fragment in advance. This does not trigger
+ // a `hashchange` event.
+ navigate : function(fragment, triggerRoute) {
+ var frag = (fragment || '').replace(hashStrip, '');
+ if (this.fragment == frag || this.fragment == decodeURIComponent(frag)) return;
if (this._hasPushState) {
+ var loc = window.location;
if (frag.indexOf(this.options.root) != 0) frag = this.options.root + frag;
this.fragment = frag;
- window.history[options.replace ? 'replaceState' : 'pushState']({}, document.title, frag);
-
- // If hash changes haven't been explicitly disabled, update the hash
- // fragment to store history.
- } else if (this._wantsHashChange) {
- this.fragment = frag;
- this._updateHash(window.location, frag, options.replace);
- if (this.iframe && (frag != this.getFragment(this.getHash(this.iframe)))) {
- // Opening and closing the iframe tricks IE7 and earlier to push a history entry on hash-tag change.
- // When replace is true, we don't want this.
- if(!options.replace) this.iframe.document.open().close();
- this._updateHash(this.iframe.location, frag, options.replace);
- }
-
- // If you've told us that you explicitly don't want fallback hashchange-
- // based history, then `navigate` becomes a page refresh.
+ window.history.pushState({}, document.title, loc.protocol + '//' + loc.host + frag);
} else {
- window.location.assign(this.options.root + fragment);
- }
- if (options.trigger) this.loadUrl(fragment);
- },
-
- // Update the hash location, either replacing the current entry, or adding
- // a new one to the browser history.
- _updateHash: function(location, fragment, replace) {
- if (replace) {
- location.replace(location.toString().replace(/(javascript:|#).*$/, '') + '#' + fragment);
- } else {
- location.hash = fragment;
+ window.location.hash = this.fragment = frag;
+ if (this.iframe && (frag != this.getFragment(this.iframe.location.hash))) {
+ this.iframe.document.open().close();
+ this.iframe.location.hash = frag;
+ }
}
+ if (triggerRoute) this.loadUrl(fragment);
}
+
});
// Backbone.View
@@ -1140,47 +876,51 @@
// Creating a Backbone.View creates its initial element outside of the DOM,
// if an existing element is not provided...
- var View = Backbone.View = function(options) {
+ Backbone.View = function(options) {
this.cid = _.uniqueId('view');
this._configure(options || {});
this._ensureElement();
- this.initialize.apply(this, arguments);
this.delegateEvents();
+ this.initialize.apply(this, arguments);
+ };
+
+ // Element lookup, scoped to DOM elements within the current view.
+ // This should be prefered to global lookups, if you're dealing with
+ // a specific view.
+ var selectorDelegate = function(selector) {
+ return $(selector, this.el);
};
// Cached regex to split keys for `delegate`.
- var delegateEventSplitter = /^(\S+)\s*(.*)$/;
+ var eventSplitter = /^(\S+)\s*(.*)$/;
// List of view options to be merged as properties.
var viewOptions = ['model', 'collection', 'el', 'id', 'attributes', 'className', 'tagName'];
// Set up all inheritable **Backbone.View** properties and methods.
- _.extend(View.prototype, Events, {
+ _.extend(Backbone.View.prototype, Backbone.Events, {
// The default `tagName` of a View's element is `"div"`.
- tagName: 'div',
+ tagName : 'div',
- // jQuery delegate for element lookup, scoped to DOM elements within the
- // current view. This should be prefered to global lookups where possible.
- $: function(selector) {
- return this.$el.find(selector);
- },
+ // Attach the `selectorDelegate` function as the `$` property.
+ $ : selectorDelegate,
// Initialize is an empty function by default. Override it with your own
// initialization logic.
- initialize: function(){},
+ initialize : function(){},
// **render** is the core function that your view should override, in order
// to populate its element (`this.el`), with the appropriate HTML. The
// convention is for **render** to always return `this`.
- render: function() {
+ render : function() {
return this;
},
// Remove this view from the DOM. Note that the view isn't present in the
// DOM by default, so calling this method may be a no-op.
- remove: function() {
- this.$el.remove();
+ remove : function() {
+ $(this.el).remove();
return this;
},
@@ -1189,31 +929,20 @@
//
// var el = this.make('li', {'class': 'row'}, this.model.escape('title'));
//
- make: function(tagName, attributes, content) {
+ make : function(tagName, attributes, content) {
var el = document.createElement(tagName);
if (attributes) $(el).attr(attributes);
if (content) $(el).html(content);
return el;
},
- // Change the view's element (`this.el` property), including event
- // re-delegation.
- setElement: function(element, delegate) {
- if (this.$el) this.undelegateEvents();
- this.$el = (element instanceof $) ? element : $(element);
- this.el = this.$el[0];
- if (delegate !== false) this.delegateEvents();
- return this;
- },
-
- // Set callbacks, where `this.events` is a hash of
+ // Set callbacks, where `this.callbacks` is a hash of
//
// *{"event selector": "callback"}*
//
// {
// 'mousedown .title': 'edit',
// 'click .button': 'save'
- // 'click .open': function(e) { ... }
// }
//
// pairs. Callbacks will be bound to the view, with `this` set properly.
@@ -1221,36 +950,29 @@
// Omitting the selector binds the event to `this.el`.
// This only works for delegate-able events: not `focus`, `blur`, and
// not `change`, `submit`, and `reset` in Internet Explorer.
- delegateEvents: function(events) {
- if (!(events || (events = getValue(this, 'events')))) return;
- this.undelegateEvents();
+ delegateEvents : function(events) {
+ if (!(events || (events = this.events))) return;
+ if (_.isFunction(events)) events = events.call(this);
+ $(this.el).unbind('.delegateEvents' + this.cid);
for (var key in events) {
- var method = events[key];
- if (!_.isFunction(method)) method = this[events[key]];
- if (!method) throw new Error('Method "' + events[key] + '" does not exist');
- var match = key.match(delegateEventSplitter);
+ var method = this[events[key]];
+ if (!method) throw new Error('Event "' + events[key] + '" does not exist');
+ var match = key.match(eventSplitter);
var eventName = match[1], selector = match[2];
method = _.bind(method, this);
eventName += '.delegateEvents' + this.cid;
if (selector === '') {
- this.$el.bind(eventName, method);
+ $(this.el).bind(eventName, method);
} else {
- this.$el.delegate(selector, eventName, method);
+ $(this.el).delegate(selector, eventName, method);
}
}
},
- // Clears all callbacks previously bound to the view with `delegateEvents`.
- // You usually don't need to use this, but may wish to if you have multiple
- // Backbone views attached to the same DOM element.
- undelegateEvents: function() {
- this.$el.unbind('.delegateEvents' + this.cid);
- },
-
// Performs the initial configuration of a View with a set of options.
// Keys with special meaning *(model, collection, id, className)*, are
// attached directly to the view.
- _configure: function(options) {
+ _configure : function(options) {
if (this.options) options = _.extend({}, this.options, options);
for (var i = 0, l = viewOptions.length; i < l; i++) {
var attr = viewOptions[i];
@@ -1262,15 +984,15 @@
// Ensure that the View has a DOM element to render into.
// If `this.el` is a string, pass it through `$()`, take the first
// matching element, and re-assign it to `el`. Otherwise, create
- // an element from the `id`, `className` and `tagName` properties.
- _ensureElement: function() {
+ // an element from the `id`, `className` and `tagName` proeprties.
+ _ensureElement : function() {
if (!this.el) {
- var attrs = getValue(this, 'attributes') || {};
+ var attrs = this.attributes || {};
if (this.id) attrs.id = this.id;
if (this.className) attrs['class'] = this.className;
- this.setElement(this.make(this.tagName, attrs), false);
- } else {
- this.setElement(this.el, false);
+ this.el = this.make(this.tagName, attrs);
+ } else if (_.isString(this.el)) {
+ this.el = $(this.el).get(0);
}
}
@@ -1284,22 +1006,23 @@
};
// Set up inheritance for the model, collection, and view.
- Model.extend = Collection.extend = Router.extend = View.extend = extend;
-
- // Backbone.sync
- // -------------
+ Backbone.Model.extend = Backbone.Collection.extend =
+ Backbone.Router.extend = Backbone.View.extend = extend;
// Map from CRUD to HTTP for our default `Backbone.sync` implementation.
var methodMap = {
'create': 'POST',
'update': 'PUT',
'delete': 'DELETE',
- 'read': 'GET'
+ 'read' : 'GET'
};
+ // Backbone.sync
+ // -------------
+
// Override this function to change the manner in which Backbone persists
// models to the server. You will be passed the type of request, and the
- // model in question. By default, makes a RESTful Ajax request
+ // model in question. By default, uses makes a RESTful Ajax request
// to the model's `url()`. Some possible customizations could be:
//
// * Use `setTimeout` to batch rapid-fire updates into a single request.
@@ -1308,26 +1031,26 @@
//
// Turn on `Backbone.emulateHTTP` in order to send `PUT` and `DELETE` requests
// as `POST`, with a `_method` parameter containing the true HTTP method,
- // as well as all requests with the body as `application/x-www-form-urlencoded`
- // instead of `application/json` with the model in a param named `model`.
+ // as well as all requests with the body as `application/x-www-form-urlencoded` instead of
+ // `application/json` with the model in a param named `model`.
// Useful when interfacing with server-side languages like **PHP** that make
// it difficult to read the body of `PUT` requests.
Backbone.sync = function(method, model, options) {
var type = methodMap[method];
- // Default options, unless specified.
- options || (options = {});
-
// Default JSON-request options.
- var params = {type: type, dataType: 'json'};
+ var params = _.extend({
+ type: type,
+ dataType: 'json'
+ }, options);
// Ensure that we have a URL.
- if (!options.url) {
- params.url = getValue(model, 'url') || urlError();
+ if (!params.url) {
+ params.url = getUrl(model) || urlError();
}
// Ensure that we have the appropriate request data.
- if (!options.data && model && (method == 'create' || method == 'update')) {
+ if (!params.data && model && (method == 'create' || method == 'update')) {
params.contentType = 'application/json';
params.data = JSON.stringify(model.toJSON());
}
@@ -1335,7 +1058,7 @@
// For older servers, emulate JSON by encoding the request into an HTML-form.
if (Backbone.emulateJSON) {
params.contentType = 'application/x-www-form-urlencoded';
- params.data = params.data ? {model: params.data} : {};
+ params.data = params.data ? {model : params.data} : {};
}
// For older servers, emulate HTTP by mimicking the HTTP method with `_method`
@@ -1355,20 +1078,8 @@
params.processData = false;
}
- // Make the request, allowing the user to override any Ajax options.
- return $.ajax(_.extend(params, options));
- };
-
- // Wrap an optional error callback with a fallback error event.
- Backbone.wrapError = function(onError, originalModel, options) {
- return function(model, resp) {
- resp = model === originalModel ? resp : model;
- if (onError) {
- onError(originalModel, resp, options);
- } else {
- originalModel.trigger('error', originalModel, resp, options);
- }
- };
+ // Make the request.
+ return $.ajax(params);
};
// Helpers
@@ -1385,11 +1096,11 @@
// The constructor function for the new subclass is either defined by you
// (the "constructor" property in your `extend` definition), or defaulted
- // by us to simply call the parent's constructor.
+ // by us to simply call `super()`.
if (protoProps && protoProps.hasOwnProperty('constructor')) {
child = protoProps.constructor;
} else {
- child = function(){ parent.apply(this, arguments); };
+ child = function(){ return parent.apply(this, arguments); };
}
// Inherit class (static) properties from parent.
@@ -1416,11 +1127,11 @@
return child;
};
- // Helper function to get a value from a Backbone object as a property
+ // Helper function to get a URL from a Model or Collection as a property
// or as a function.
- var getValue = function(object, prop) {
- if (!(object && object[prop])) return null;
- return _.isFunction(object[prop]) ? object[prop]() : object[prop];
+ var getUrl = function(object) {
+ if (!(object && object.url)) return null;
+ return _.isFunction(object.url) ? object.url() : object.url;
};