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initial commit of todo list with backbone and require working

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0 parents commit 87918d4c3ad6bcc9e6dd697b3892ecfb17324d0f Ryan Rauh committed Feb 26, 2011
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2,211 content/scripts/allplugins-require.js
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24 content/scripts/backbone/todo/collections/todoList.js
@@ -0,0 +1,24 @@
+define([ "../models/todo","../localStorage"], function(Todo){
+ var TodoList = Backbone.Collection.extend({
+ model : Todo,
+ localStorage: new Store("todos"),
+ done: function(){
+ return this.filter(function(todo){ return todo.get('done'); });
+ },
+ remaining: function(){
+ return this.without.apply(this, this.done());
+ },
+ nextOrder : function() {
+ if(!this.length) return 1;
+ return this.last().get('order') + 1;
+ },
+ comparator: function(todo){
+ return todo.get('order');
+ }
+
+
+
+ });
+
+ return new TodoList;
+});
84 content/scripts/backbone/todo/localStorage.js
@@ -0,0 +1,84 @@
+// A simple module to replace `Backbone.sync` with *localStorage*-based
+// persistence. Models are given GUIDS, and saved into a JSON object. Simple
+// as that.
+
+// Generate four random hex digits.
+function S4() {
+ return (((1+Math.random())*0x10000)|0).toString(16).substring(1);
+};
+
+// Generate a pseudo-GUID by concatenating random hexadecimal.
+function guid() {
+ return (S4()+S4()+"-"+S4()+"-"+S4()+"-"+S4()+"-"+S4()+S4()+S4());
+};
+
+// Our Store is represented by a single JS object in *localStorage*. Create it
+// with a meaningful name, like the name you'd give a table.
+var Store = function(name) {
+ this.name = name;
+ var store = localStorage.getItem(this.name);
+ this.data = (store && JSON.parse(store)) || {};
+};
+
+_.extend(Store.prototype, {
+
+ // Save the current state of the **Store** to *localStorage*.
+ save: function() {
+ localStorage.setItem(this.name, JSON.stringify(this.data));
+ },
+
+ // Add a model, giving it a (hopefully)-unique GUID, if it doesn't already
+ // have an id of it's own.
+ create: function(model) {
+ if (!model.id) model.id = model.attributes.id = guid();
+ this.data[model.id] = model;
+ this.save();
+ return model;
+ },
+
+ // Update a model by replacing its copy in `this.data`.
+ update: function(model) {
+ this.data[model.id] = model;
+ this.save();
+ return model;
+ },
+
+ // Retrieve a model from `this.data` by id.
+ find: function(model) {
+ return this.data[model.id];
+ },
+
+ // Return the array of all models currently in storage.
+ findAll: function() {
+ return _.values(this.data);
+ },
+
+ // Delete a model from `this.data`, returning it.
+ destroy: function(model) {
+ delete this.data[model.id];
+ this.save();
+ return model;
+ }
+
+});
+
+// Override `Backbone.sync` to use delegate to the model or collection's
+// *localStorage* property, which should be an instance of `Store`.
+Backbone.sync = function(method, model, options) {
+
+ var resp;
+ var store = model.localStorage || model.collection.localStorage;
+
+ switch (method) {
+ case "read": resp = model.id ? store.find(model) : store.findAll(); break;
+ case "create": resp = store.create(model); break;
+ case "update": resp = store.update(model); break;
+ case "delete": resp = store.destroy(model); break;
+ }
+
+ if (resp) {
+ options.success(resp);
+ } else {
+ options.error("Record not found");
+ }
+};
10 content/scripts/backbone/todo/main.js
@@ -0,0 +1,10 @@
+define(["./views/appView",
+ "util/loadCss",
+ "/content/scripts/lib/backbone.js",
+ "/content/scripts/lib/underscore.js",
+ "/content/scripts/lib/jquery.tmpl.js"],
+ function (AppView, loadCss) {
+ //loadCss("todos");
+ var app = new AppView();
+ return {};
+ });
22 content/scripts/backbone/todo/models/todo.js
@@ -0,0 +1,22 @@
+define([], function(){
+ var Todo = Backbone.Model.extend({
+ defaults : {
+ content: "empty todo ...",
+ done: false
+ },
+ initialize: function (){
+ if(!this.get("content")){
+ this.set({"content":this.defaults.content});
+ }
+ },
+ toggle : function () {
+ this.save({done: !this.get('done')});
+ },
+ clear: function () {
+ this.destroy();
+ this.view.remove();
+ }
+
+ });
+ return Todo;
+});
14 content/scripts/backbone/todo/templates/stats.js
@@ -0,0 +1,14 @@
+{{if (total) }}
+<span class="todo-count">
+ <span class="number">${ remaining }</span>
+ <span class="word">${ remaining == 1 ? 'item' : 'items' }</span> left.
+</span>
+{{/if}}
+{{if (done) }}
+<span class="todo-clear">
+ <a href="#">
+ Clear <span class="number-done">${ done }</span>
+ completed <span class="word-done">${ done == 1 ? 'item' : 'items' }</span>
+ </a>
+</span>
+{{/if}}
11 content/scripts/backbone/todo/templates/todo.js
@@ -0,0 +1,11 @@
+<div class="todo ${ done ? 'done' : '' }">
+ <div class="display">
+ <input class="check" type="checkbox" ${ done ? 'checked="checked"' : '' } />
+ <div class="todo-content"></div>
+ <span class="todo-destroy"></span>
+ </div>
+ <div class="edit">
+ <input class="todo-input" type="text" value="" />
+ </div>
+</div>
+
65 content/scripts/backbone/todo/views/appView.js
@@ -0,0 +1,65 @@
+define(["text!../templates/stats.js","../collections/todoList","./todoView"], function(statsTemplate, Todos,TodoView){
+ var AppView = Backbone.View.extend({
+ el : $("#todoapp"),
+ statsTemplate: function(data, options){return $.tmpl(statsTemplate, data, options);},
+ events: {
+ "keypress #new-todo":"createOnEnter",
+ "keyup #new-todo" : "showTooltip",
+ "click .todo-clear a": "clearCompleted"
+ },
+ initialize: function(){
+ _.bindAll(this, 'addOne', 'addAll', 'render');
+ this.input = this.$("#new-todo");
+
+ Todos.bind('add', this.addOne);
+ Todos.bind('refresh', this.addAll);
+ Todos.bind('all', this.render);
+
+ Todos.fetch();
+ },
+ render: function(){
+ var done = Todos.done().length;
+ this.$('#todo-stats').html(this.statsTemplate({
+ total: Todos.length,
+ done: Todos.done().length,
+ remaining: Todos.remaining().length
+ }))
+ },
+ addOne : function(todo){
+ var view = new TodoView({model:todo});
+ this.$("#todo-list").append(view.render().el);
+ },
+ addAll : function() {
+ Todos.each(this.addOne);
+ },
+ newAttributes : function(){
+ return {
+ content: this.input.val(),
+ order: Todos.nextOrder(),
+ done: false
+ };
+ },
+ createOnEnter: function(e) {
+ if (e.keyCode != 13) return;
+ Todos.create(this.newAttributes());
+ this.input.val('');
+ },
+ clearCompleted: function() {
+ _.each(Todos.done(), function(todo){ todo.clear(); });
+ return false;
+ },
+ showTooltip: function(e) {
+ var tooltip = this.$(".ui-tooltip-top");
+ var val = this.input.val();
+ tooltip.fadeOut();
+ if (this.tooltipTimeout) clearTimeout(this.tooltipTimeout);
+ if (val == '' || val == this.input.attr('placeholder')) return;
+ var show = function(){ tooltip.show().fadeIn(); };
+ this.tooltipTimeout = _.delay(show, 1000);
+ }
+
+ });
+ return AppView;
+
+});
+
66 content/scripts/backbone/todo/views/todoView.js
@@ -0,0 +1,66 @@
+define(["text!../templates/todo.js"], function (templateText) {
+ var TodoView = Backbone.View.extend({
+ tagName:"li",
+ template: function(data, options){ return $.tmpl(templateText, data, options)},
+ events: {
+ "click .check" : "toggleDone",
+ "dblclick div.todo-content" : "edit",
+ "click span.todo-destroy" : "clear",
+ "keypress .todo-input" : "updateOnEnter"
+ },
+ initialize : function(){
+ _.bindAll(this, 'render', this.render);
+ this.model.bind('change', this.render);
+ this.model.view = this;
+ },
+
+ render : function(){
+ $(this.el).html(this.template(this.model.toJSON()));
+ this.setContent();
+ return this;
+ },
+ // To avoid XSS (not that it would be harmful in this particular app),
+ // we use `jQuery.text` to set the contents of the todo item.
+ setContent: function() {
+ var content = this.model.get('content');
+ this.$('.todo-content').text(content);
+ this.input = this.$('.todo-input');
+ this.input.bind('blur', this.close);
+ this.input.val(content);
+ },
+ // Toggle the `"done"` state of the model.
+ toggleDone: function() {
+ this.model.toggle();
+ },
+
+ // Switch this view into `"editing"` mode, displaying the input field.
+ edit: function() {
+ $(this.el).addClass("editing");
+ this.input.focus();
+ },
+
+ // Close the `"editing"` mode, saving changes to the todo.
+ close: function() {
+ this.model.save({content: this.input.val()});
+ $(this.el).removeClass("editing");
+ },
+
+ // If you hit `enter`, we're through editing the item.
+ updateOnEnter: function(e) {
+ if (e.keyCode == 13) this.close();
+ },
+
+ // Remove this view from the DOM.
+ remove: function() {
+ $(this.el).remove();
+ },
+
+ // Remove the item, destroy the model.
+ clear: function() {
+ this.model.clear();
+ }
+
+
+ });
+ return TodoView;
+});
27 content/scripts/lib/backbone-min.js
@@ -0,0 +1,27 @@
+// Backbone.js 0.3.3
+// (c) 2010 Jeremy Ashkenas, DocumentCloud Inc.
+// Backbone may be freely distributed under the MIT license.
+// For all details and documentation:
+// http://documentcloud.github.com/backbone
+(function(){var e;e=typeof exports!=="undefined"?exports:this.Backbone={};e.VERSION="0.3.3";var f=this._;if(!f&&typeof require!=="undefined")f=require("underscore")._;var h=this.jQuery||this.Zepto;e.emulateHTTP=false;e.emulateJSON=false;e.Events={bind:function(a,b){this._callbacks||(this._callbacks={});(this._callbacks[a]||(this._callbacks[a]=[])).push(b);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,g=c.length;d<g;d++)if(b===c[d]){c.splice(d,
+1);break}}else c[a]=[]}else this._callbacks={};return this},trigger:function(a){var b,c,d,g;if(!(c=this._callbacks))return this;if(b=c[a]){d=0;for(g=b.length;d<g;d++)b[d].apply(this,Array.prototype.slice.call(arguments,1))}if(b=c.all){d=0;for(g=b.length;d<g;d++)b[d].apply(this,arguments)}return this}};e.Model=function(a,b){a||(a={});if(this.defaults)a=f.extend({},this.defaults,a);this.attributes={};this._escapedAttributes={};this.cid=f.uniqueId("c");this.set(a,{silent:true});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:false,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+;)/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,
+"&quot;")},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 false;if("id"in a)this.id=a.id;for(var g in a){var i=a[g];if(!f.isEqual(c[g],i)){c[g]=i;delete d[g];if(!b.silent){this._changed=true;this.trigger("change:"+g,this,i,b)}}}!b.silent&&this._changed&&this.change(b);return this},unset:function(a,b){b||(b={});var c={};c[a]=void 0;if(!b.silent&&this.validate&&
+!this._performValidation(c,b))return false;delete this.attributes[a];delete this._escapedAttributes[a];if(!b.silent){this._changed=true;this.trigger("change:"+a,this,void 0,b);this.change(b)}return this},clear:function(a){a||(a={});var b=this.attributes,c={};for(attr in b)c[attr]=void 0;if(!a.silent&&this.validate&&!this._performValidation(c,a))return false;this.attributes={};this._escapedAttributes={};if(!a.silent){this._changed=true;for(attr in b)this.trigger("change:"+attr,this,void 0,a);this.change(a)}return this},
+fetch:function(a){a||(a={});var b=this,c=j(a.error,b,a);(this.sync||e.sync)("read",this,function(d){if(!b.set(b.parse(d),a))return false;a.success&&a.success(b,d)},c);return this},save:function(a,b){b||(b={});if(a&&!this.set(a,b))return false;var c=this,d=j(b.error,c,b),g=this.isNew()?"create":"update";(this.sync||e.sync)(g,this,function(i){if(!c.set(c.parse(i),b))return false;b.success&&b.success(c,i)},d);return this},destroy:function(a){a||(a={});var b=this,c=j(a.error,b,a);(this.sync||e.sync)("delete",
+this,function(d){b.collection&&b.collection.remove(b);a.success&&a.success(b,d)},c);return this},url:function(){var a=k(this.collection);if(this.isNew())return a;return a+(a.charAt(a.length-1)=="/"?"":"/")+this.id},parse:function(a){return a},clone:function(){return new this.constructor(this)},isNew:function(){return!this.id},change:function(a){this.trigger("change",this,a);this._previousAttributes=f.clone(this.attributes);this._changed=false},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=false,d;for(d in a)if(!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){b.error?b.error(this,c):this.trigger("error",this,c,b);return false}return true}});
+e.Collection=function(a,b){b||(b={});if(b.comparator){this.comparator=b.comparator;delete b.comparator}this._boundOnModelEvent=f.bind(this._onModelEvent,this);this._reset();a&&this.refresh(a,{silent:true});this.initialize(a,b)};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("refresh",this,a);return this},pluck:function(a){return f.map(this.models,
+function(b){return b.get(a)})},refresh:function(a,b){a||(a=[]);b||(b={});this._reset();this.add(a,{silent:true});b.silent||this.trigger("refresh",this,b);return this},fetch:function(a){a||(a={});var b=this,c=j(a.error,b,a);(this.sync||e.sync)("read",this,function(d){b.refresh(b.parse(d));a.success&&a.success(b,d)},c);return this},create:function(a,b){var c=this;b||(b={});if(a instanceof e.Model)a.collection=c;else a=new this.model(a,{collection:c});return a.save(null,{success:function(d,g){c.add(d);
+b.success&&b.success(d,g)},error:b.error})},parse:function(a){return a},chain:function(){return f(this.models).chain()},_reset:function(){this.length=0;this.models=[];this._byId={};this._byCid={}},_add:function(a,b){b||(b={});a instanceof e.Model||(a=new this.model(a,{collection:this}));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;a.collection=this;this.models.splice(this.comparator?this.sortedIndex(a,this.comparator):
+this.length,0,a);a.bind("all",this._boundOnModelEvent);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];delete a.collection;this.models.splice(this.indexOf(a),1);this.length--;b.silent||a.trigger("remove",a,this,b);a.unbind("all",this._boundOnModelEvent);return a},_onModelEvent:function(a,b){if(a==="change:id"){delete this._byId[b.previous("id")];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","invoke","max","min","sortBy","sortedIndex","toArray","size","first","rest","last","without","indexOf","lastIndexOf","isEmpty"],function(a){e.Collection.prototype[a]=function(){return f[a].apply(f,[this.models].concat(f.toArray(arguments)))}});e.Controller=function(a){a||(a={});if(a.routes)this.routes=a.routes;this._bindRoutes();
+this.initialize(a)};var o=/:([\w\d]+)/g,p=/\*([\w\d]+)/g;f.extend(e.Controller.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))},saveLocation:function(a){e.history.saveLocation(a)},_bindRoutes:function(){if(this.routes)for(var a in this.routes){var b=this.routes[a];
+this.route(a,b,this[b])}},_routeToRegExp:function(a){a=a.replace(o,"([^/]*)").replace(p,"(.*?)");return RegExp("^"+a+"$")},_extractParameters:function(a,b){return a.exec(b).slice(1)}});e.History=function(){this.handlers=[];this.fragment=this.getFragment();f.bindAll(this,"checkUrl")};var l=/^#*/;f.extend(e.History.prototype,{interval:50,getFragment:function(a){return(a||window.location).hash.replace(l,"")},start:function(){var a=document.documentMode;if(a=h.browser.msie&&(!a||a<=7))this.iframe=h('<iframe src="javascript:0" tabindex="-1" />').hide().appendTo("body")[0].contentWindow;
+"onhashchange"in window&&!a?h(window).bind("hashchange",this.checkUrl):setInterval(this.checkUrl,this.interval);return this.loadUrl()},route:function(a,b){this.handlers.push({route:a,callback:b})},checkUrl:function(){var a=this.getFragment();if(a==this.fragment&&this.iframe)a=this.getFragment(this.iframe.location);if(a==this.fragment||a==decodeURIComponent(this.fragment))return false;if(this.iframe)window.location.hash=this.iframe.location.hash=a;this.loadUrl()},loadUrl:function(){var a=this.fragment=
+this.getFragment();return f.any(this.handlers,function(b){if(b.route.test(a)){b.callback(a);return true}})},saveLocation:function(a){a=(a||"").replace(l,"");if(this.fragment!=a){window.location.hash=this.fragment=a;if(this.iframe&&a!=this.getFragment(this.iframe.location)){this.iframe.document.open().close();this.iframe.location.hash=a}}}});e.View=function(a){this._configure(a||{});this._ensureElement();this.delegateEvents();this.initialize(a)};var q=/^(\w+)\s*(.*)$/;f.extend(e.View.prototype,e.Events,
+{tagName:"div",$:function(a){return h(a,this.el)},initialize:function(){},render:function(){return this},remove:function(){h(this.el).remove();return this},make:function(a,b,c){a=document.createElement(a);b&&h(a).attr(b);c&&h(a).html(c);return a},delegateEvents:function(a){if(a||(a=this.events)){h(this.el).unbind();for(var b in a){var c=a[b],d=b.match(q),g=d[1];d=d[2];c=f.bind(this[c],this);d===""?h(this.el).bind(g,c):h(this.el).delegate(d,g,c)}}},_configure:function(a){if(this.options)a=f.extend({},
+this.options,a);if(a.model)this.model=a.model;if(a.collection)this.collection=a.collection;if(a.el)this.el=a.el;if(a.id)this.id=a.id;if(a.className)this.className=a.className;if(a.tagName)this.tagName=a.tagName;this.options=a},_ensureElement:function(){if(!this.el){var a={};if(this.id)a.id=this.id;if(this.className)a["class"]=this.className;this.el=this.make(this.tagName,a)}}});var m=function(a,b){var c=r(this,a,b);c.extend=m;return c};e.Model.extend=e.Collection.extend=e.Controller.extend=e.View.extend=
+m;var s={create:"POST",update:"PUT","delete":"DELETE",read:"GET"};e.sync=function(a,b,c,d){var g=s[a];a=a==="create"||a==="update"?JSON.stringify(b.toJSON()):null;b={url:k(b),type:g,contentType:"application/json",data:a,dataType:"json",processData:false,success:c,error:d};if(e.emulateJSON){b.contentType="application/x-www-form-urlencoded";b.processData=true;b.data=a?{model:a}:{}}if(e.emulateHTTP)if(g==="PUT"||g==="DELETE"){if(e.emulateJSON)b.data._method=g;b.type="POST";b.beforeSend=function(i){i.setRequestHeader("X-HTTP-Method-Override",
+g)}}h.ajax(b)};var n=function(){},r=function(a,b,c){var d;d=b&&b.hasOwnProperty("constructor")?b.constructor:function(){return a.apply(this,arguments)};n.prototype=a.prototype;d.prototype=new n;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))throw Error("A 'url' property or function must be specified");return f.isFunction(a.url)?a.url():a.url},j=function(a,b,c){return function(d){a?a(b,d):b.trigger("error",b,d,c)}}})();
1,085 content/scripts/lib/backbone.js
@@ -0,0 +1,1085 @@
+// Backbone.js 0.3.3
+// (c) 2010 Jeremy Ashkenas, DocumentCloud Inc.
+// Backbone may be freely distributed under the MIT license.
+// For all details and documentation:
+// http://documentcloud.github.com/backbone
+
+(function(){
+
+ // Initial Setup
+ // -------------
+
+ // The top-level namespace. All public Backbone classes and modules will
+ // be attached to this. Exported for both CommonJS and the browser.
+ var Backbone;
+ if (typeof exports !== 'undefined') {
+ Backbone = exports;
+ } else {
+ Backbone = this.Backbone = {};
+ }
+
+ // Current version of the library. Keep in sync with `package.json`.
+ Backbone.VERSION = '0.3.3';
+
+ // Require Underscore, if we're on the server, and it's not already present.
+ var _ = this._;
+ if (!_ && (typeof require !== 'undefined')) _ = require('underscore')._;
+
+ // For Backbone's purposes, either jQuery or Zepto owns the `$` variable.
+ var $ = this.jQuery || this.Zepto;
+
+ // Turn on `emulateHTTP` to use 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
+ // `application/json` requests ... will encode the body as
+ // `application/x-www-form-urlencoded` instead and will send the model in a
+ // form param named `model`.
+ Backbone.emulateJSON = false;
+
+ // Backbone.Events
+ // -----------------
+
+ // A module that can be mixed in to *any object* in order to provide it with
+ // 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.bind('expand', function(){ alert('expanded'); });
+ // object.trigger('expand');
+ //
+ 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) {
+ var calls = this._callbacks || (this._callbacks = {});
+ var list = this._callbacks[ev] || (this._callbacks[ev] = []);
+ list.push(callback);
+ return this;
+ },
+
+ // 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 (callback === list[i]) {
+ list.splice(i, 1);
+ break;
+ }
+ }
+ }
+ }
+ return this;
+ },
+
+ // 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(ev) {
+ var list, calls, i, l;
+ if (!(calls = this._callbacks)) return this;
+ if (calls[ev]) {
+ list = calls[ev].slice(0);
+ for (i = 0, l = list.length; i < l; i++) {
+ list[i].apply(this, Array.prototype.slice.call(arguments, 1));
+ }
+ }
+ if (calls['all']) {
+ list = calls['all'].slice(0);
+ for (i = 0, l = list.length; i < l; i++) {
+ list[i].apply(this, arguments);
+ }
+ }
+ return this;
+ }
+
+ };
+
+ // Backbone.Model
+ // --------------
+
+ // Create a new model, with defined attributes. A client id (`cid`)
+ // is automatically generated and assigned for you.
+ Backbone.Model = function(attributes, options) {
+ var defaults;
+ attributes || (attributes = {});
+ if (defaults = this.defaults) {
+ if (_.isFunction(defaults)) defaults = defaults();
+ attributes = _.extend({}, defaults, attributes);
+ }
+ this.attributes = {};
+ this._escapedAttributes = {};
+ this.cid = _.uniqueId('c');
+ this.set(attributes, {silent : true});
+ this._changed = false;
+ this._previousAttributes = _.clone(this.attributes);
+ if (options && options.collection) this.collection = options.collection;
+ this.initialize(attributes, options);
+ };
+
+ // Attach all inheritable methods to the Model prototype.
+ _.extend(Backbone.Model.prototype, Backbone.Events, {
+
+ // A snapshot of the model's previous attributes, taken immediately
+ // after the last `"change"` event was fired.
+ _previousAttributes : 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',
+
+ // Initialize is an empty function by default. Override it with your own
+ // initialization logic.
+ initialize : function(){},
+
+ // Return a copy of the model's `attributes` object.
+ toJSON : function() {
+ return _.clone(this.attributes);
+ },
+
+ // Get the value of an attribute.
+ get : function(attr) {
+ return this.attributes[attr];
+ },
+
+ // Get the HTML-escaped value of an attribute.
+ escape : function(attr) {
+ var html;
+ if (html = this._escapedAttributes[attr]) return html;
+ 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.attributes[attr] != null;
+ },
+
+ // 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.attributes) attrs = attrs.attributes;
+ var now = this.attributes, escaped = this._escapedAttributes;
+
+ // Run validation.
+ 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];
+
+ // Update attributes.
+ for (var attr in attrs) {
+ var val = attrs[attr];
+ if (!_.isEqual(now[attr], val)) {
+ now[attr] = val;
+ delete escaped[attr];
+ this._changed = true;
+ if (!options.silent) this.trigger('change:' + attr, this, val, options);
+ }
+ }
+
+ // Fire the `"change"` event, if the model has been changed.
+ if (!options.silent && this._changed) this.change(options);
+ 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) {
+ 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 = {});
+ 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 = {});
+ var model = this;
+ var success = options.success;
+ options.success = function(resp) {
+ if (!model.set(model.parse(resp), options)) return false;
+ if (success) success(model, resp);
+ };
+ options.error = wrapError(options.error, model, options);
+ (this.sync || Backbone.sync).call(this, 'read', this, options);
+ return this;
+ },
+
+ // 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(attrs, options) {
+ options || (options = {});
+ if (attrs && !this.set(attrs, options)) return false;
+ var model = this;
+ var success = options.success;
+ options.success = function(resp) {
+ if (!model.set(model.parse(resp), options)) return false;
+ if (success) success(model, resp);
+ };
+ options.error = wrapError(options.error, model, options);
+ var method = this.isNew() ? 'create' : 'update';
+ (this.sync || Backbone.sync).call(this, method, this, options);
+ return this;
+ },
+
+ // Destroy this model on the server. Upon success, the model is removed
+ // from its collection, if it has one.
+ destroy : function(options) {
+ options || (options = {});
+ var model = this;
+ var success = options.success;
+ options.success = function(resp) {
+ model.trigger('destroy', model, model.collection, options);
+ if (success) success(model, resp);
+ };
+ options.error = wrapError(options.error, model, options);
+ (this.sync || Backbone.sync).call(this, 'delete', this, options);
+ return this;
+ },
+
+ // 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 = 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) {
+ return resp;
+ },
+
+ // Create a new model with identical attributes to this one.
+ clone : function() {
+ return new this.constructor(this);
+ },
+
+ // A model is new if it has never been saved to the server, and has a negative
+ // ID.
+ isNew : function() {
+ return !this.id;
+ },
+
+ // 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) {
+ 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 (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.
+ 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 (!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() {
+ return _.clone(this._previousAttributes);
+ },
+
+ // 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);
+ } else {
+ this.trigger('error', this, error, options);
+ }
+ return false;
+ }
+ return true;
+ }
+
+ });
+
+ // Backbone.Collection
+ // -------------------
+
+ // 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.
+ Backbone.Collection = function(models, options) {
+ options || (options = {});
+ if (options.comparator) {
+ this.comparator = options.comparator;
+ delete options.comparator;
+ }
+ _.bindAll(this, '_onModelEvent', '_removeReference');
+ this._reset();
+ if (models) this.refresh(models, {silent: true});
+ this.initialize(models, options);
+ };
+
+ // Define the Collection's inheritable methods.
+ _.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 : Backbone.Model,
+
+ // Initialize is an empty function by default. Override it with your own
+ // initialization logic.
+ initialize : function(){},
+
+ // The JSON representation of a Collection is an array of the
+ // models' attributes.
+ 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 `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);
+ }
+ } else {
+ this._add(models, options);
+ }
+ return this;
+ },
+
+ // Remove a model, or a list of models from the set. Pass silent to avoid
+ // 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);
+ }
+ } else {
+ this._remove(models, options);
+ }
+ return this;
+ },
+
+ // Get a model from the set by id.
+ 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) {
+ return cid && this._byCid[cid.cid || cid];
+ },
+
+ // Get the model at the given index.
+ at: function(index) {
+ return this.models[index];
+ },
+
+ // 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');
+ this.models = this.sortBy(this.comparator);
+ if (!options.silent) this.trigger('refresh', this, options);
+ return this;
+ },
+
+ // Pluck an attribute from each model in the collection.
+ 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 refresh the entire set with a new list of models, without firing
+ // any `added` or `removed` events. Fires `refresh` when finished.
+ refresh : function(models, options) {
+ models || (models = []);
+ options || (options = {});
+ this.each(this._removeReference);
+ this._reset();
+ this.add(models, {silent: true});
+ if (!options.silent) this.trigger('refresh', this, options);
+ return this;
+ },
+
+ // Fetch the default set of models for this collection, refreshing the
+ // collection when they arrive. If `add: true` is passed, appends the
+ // models to the collection instead of refreshing.
+ fetch : function(options) {
+ options || (options = {});
+ var collection = this;
+ var success = options.success;
+ options.success = function(resp) {
+ collection[options.add ? 'add' : 'refresh'](collection.parse(resp), options);
+ if (success) success(collection, resp);
+ };
+ options.error = wrapError(options.error, collection, options);
+ (this.sync || Backbone.sync).call(this, 'read', this, options);
+ return this;
+ },
+
+ // 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.
+ create : function(model, options) {
+ var coll = this;
+ options || (options = {});
+ if (!(model instanceof Backbone.Model)) {
+ var attrs = model;
+ model = new this.model(null, {collection: coll});
+ if (!model.set(attrs)) return false;
+ } else {
+ model.collection = coll;
+ }
+ var success = options.success;
+ options.success = function(nextModel, resp) {
+ coll.add(nextModel);
+ if (success) success(nextModel, resp);
+ };
+ return model.save(null, options);
+ },
+
+ // **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) {
+ return resp;
+ },
+
+ // Proxy to _'s chain. Can't be proxied the same way the rest of the
+ // underscore methods are proxied because it relies on the underscore
+ // constructor.
+ chain: function () {
+ return _(this.models).chain();
+ },
+
+ // Reset all internal state. Called when the collection is refreshed.
+ _reset : function(options) {
+ this.length = 0;
+ this.models = [];
+ this._byId = {};
+ this._byCid = {};
+ },
+
+ // Internal implementation of adding a single model to the set, updating
+ // hash indexes for `id` and `cid` lookups.
+ _add : function(model, options) {
+ options || (options = {});
+ if (!(model instanceof Backbone.Model)) {
+ model = new this.model(model, {collection: this});
+ }
+ 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;
+ if (!model.collection) {
+ model.collection = this;
+ }
+ var index = 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) {
+ if (this == model.collection) {
+ delete model.collection;
+ }
+ 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(ev, model, collection, options) {
+ if ((ev == 'add' || ev == 'remove') && collection != this) return;
+ if (ev == 'destroy') {
+ this._remove(model, options);
+ }
+ if (ev === 'change:' + model.idAttribute) {
+ delete this._byId[model.previous(model.idAttribute)];
+ this._byId[model.id] = model;
+ }
+ this.trigger.apply(this, arguments);
+ }
+
+ });
+
+ // 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',
+ 'invoke', 'max', 'min', 'sortBy', 'sortedIndex', 'toArray', 'size',
+ 'first', 'rest', 'last', 'without', 'indexOf', 'lastIndexOf', 'isEmpty'];
+
+ // Mix in each Underscore method as a proxy to `Collection#models`.
+ _.each(methods, function(method) {
+ Backbone.Collection.prototype[method] = function() {
+ return _[method].apply(_, [this.models].concat(_.toArray(arguments)));
+ };
+ });
+
+ // Backbone.Controller
+ // -------------------
+
+ // Controllers map faux-URLs to actions, and fire events when routes are
+ // matched. Creating a new one sets its `routes` hash, if not set statically.
+ Backbone.Controller = function(options) {
+ options || (options = {});
+ if (options.routes) this.routes = options.routes;
+ this._bindRoutes();
+ this.initialize(options);
+ };
+
+ // Cached regular expressions for matching named param parts and splatted
+ // parts of route strings.
+ var namedParam = /:([\w\d]+)/g;
+ var splatParam = /\*([\w\d]+)/g;
+ var escapeRegExp = /[-[\]{}()+?.,\\^$|#\s]/g;
+
+ // Set up all inheritable **Backbone.Controller** properties and methods.
+ _.extend(Backbone.Controller.prototype, Backbone.Events, {
+
+ // Initialize is an empty function by default. Override it with your own
+ // initialization logic.
+ initialize : function(){},
+
+ // Manually bind a single named route to a callback. For example:
+ //
+ // this.route('search/:query/p:num', 'search', function(query, num) {
+ // ...
+ // });
+ //
+ route : function(route, name, callback) {
+ Backbone.history || (Backbone.history = new Backbone.History);
+ if (!_.isRegExp(route)) route = this._routeToRegExp(route);
+ Backbone.history.route(route, _.bind(function(fragment) {
+ var args = this._extractParameters(route, fragment);
+ callback.apply(this, args);
+ this.trigger.apply(this, ['route:' + name].concat(args));
+ }, this));
+ },
+
+ // Simple proxy to `Backbone.history` to save a fragment into the history,
+ // without triggering routes.
+ saveLocation : function(fragment) {
+ Backbone.history.saveLocation(fragment);
+ },
+
+ // Bind all defined routes to `Backbone.history`. We have to reverse the
+ // order of the routes here to support behavior where the most general
+ // routes can be defined at the bottom of the route map.
+ _bindRoutes : function() {
+ if (!this.routes) return;
+ var routes = [];
+ for (var route in this.routes) {
+ routes.unshift([route, this.routes[route]]);
+ }
+ for (var i = 0, l = routes.length; i < l; i++) {
+ this.route(routes[i][0], routes[i][1], this[routes[i][1]]);
+ }
+ },
+
+ // Convert a route string into a regular expression, suitable for matching
+ // against the current location fragment.
+ _routeToRegExp : function(route) {
+ route = route.replace(escapeRegExp, "\\$&")
+ .replace(namedParam, "([^\/]*)")
+ .replace(splatParam, "(.*?)");
+ return new RegExp('^' + route + '$');
+ },
+
+ // Given a route, and a URL fragment that it matches, return the array of
+ // extracted parameters.
+ _extractParameters : function(route, fragment) {
+ return route.exec(fragment).slice(1);
+ }
+
+ });
+
+ // Backbone.History
+ // ----------------
+
+ // Handles cross-browser history management, based on URL hashes. If the
+ // browser does not support `onhashchange`, falls back to polling.
+ Backbone.History = function() {
+ this.handlers = [];
+ this.fragment = this.getFragment();
+ _.bindAll(this, 'checkUrl');
+ };
+
+ // Cached regex for cleaning hashes.
+ var hashStrip = /^#*/;
+
+ // Has the history handling already been started?
+ var historyStarted = false;
+
+ // Set up all inheritable **Backbone.History** properties and methods.
+ _.extend(Backbone.History.prototype, {
+
+ // The default interval to poll for hash changes, if necessary, is
+ // twenty times a second.
+ interval: 50,
+
+ // Get the cross-browser normalized URL fragment.
+ getFragment : function(loc) {
+ return (loc || window.location).hash.replace(hashStrip, '');
+ },
+
+ // Start the hash change handling, returning `true` if the current URL matches
+ // an existing route, and `false` otherwise.
+ start : function() {
+ if (historyStarted) throw new Error("Backbone.history has already been started");
+ var docMode = document.documentMode;
+ var oldIE = ($.browser.msie && (!docMode || docMode <= 7));
+ if (oldIE) {
+ this.iframe = $('<iframe src="javascript:0" tabindex="-1" />').hide().appendTo('body')[0].contentWindow;
+ }
+ if ('onhashchange' in window && !oldIE) {
+ $(window).bind('hashchange', this.checkUrl);
+ } else {
+ setInterval(this.checkUrl, this.interval);
+ }
+ historyStarted = true;
+ return this.loadUrl();
+ },
+
+ // Add a route to be tested when the hash 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() {
+ var current = this.getFragment();
+ if (current == this.fragment && this.iframe) {
+ current = this.getFragment(this.iframe.location);
+ }
+ if (current == this.fragment ||
+ current == decodeURIComponent(this.fragment)) return false;
+ if (this.iframe) {
+ window.location.hash = this.iframe.location.hash = current;
+ }
+ this.loadUrl();
+ },
+
+ // 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() {
+ var fragment = this.fragment = this.getFragment();
+ var matched = _.any(this.handlers, function(handler) {
+ if (handler.route.test(fragment)) {
+ handler.callback(fragment);
+ return true;
+ }
+ });
+ return matched;
+ },
+
+ // 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.
+ saveLocation : function(fragment) {
+ fragment = (fragment || '').replace(hashStrip, '');
+ if (this.fragment == fragment) return;
+ window.location.hash = this.fragment = fragment;
+ if (this.iframe && (fragment != this.getFragment(this.iframe.location))) {
+ this.iframe.document.open().close();
+ this.iframe.location.hash = fragment;
+ }
+ }
+
+ });
+
+ // Backbone.View
+ // -------------
+
+ // Creating a Backbone.View creates its initial element outside of the DOM,
+ // if an existing element is not provided...
+ Backbone.View = function(options) {
+ this.cid = _.uniqueId('view');
+ this._configure(options || {});
+ this._ensureElement();
+ this.delegateEvents();
+ this.initialize(options);
+ };
+
+ // 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 $(selector, this.el);
+ };
+
+ // Cached regex to split keys for `delegate`.
+ var eventSplitter = /^(\w+)\s*(.*)$/;
+
+ // 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(Backbone.View.prototype, Backbone.Events, {
+
+ // The default `tagName` of a View's element is `"div"`.
+ tagName : 'div',
+
+ // Attach the `selectorDelegate` function as the `$` property.
+ $ : selectorDelegate,
+
+ // Initialize is an empty function by default. Override it with your own
+ // initialization logic.
+ 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() {
+ 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();
+ return this;
+ },
+
+ // For small amounts of DOM Elements, where a full-blown template isn't
+ // needed, use **make** to manufacture elements, one at a time.
+ //
+ // var el = this.make('li', {'class': 'row'}, this.model.get('title'));
+ //
+ make : function(tagName, attributes, content) {
+ var el = document.createElement(tagName);
+ if (attributes) $(el).attr(attributes);
+ if (content) $(el).html(content);
+ return el;
+ },
+
+ // Set callbacks, where `this.callbacks` is a hash of
+ //
+ // *{"event selector": "callback"}*
+ //
+ // {
+ // 'mousedown .title': 'edit',
+ // 'click .button': 'save'
+ // }
+ //
+ // pairs. Callbacks will be bound to the view, with `this` set properly.
+ // Uses event delegation for efficiency.
+ // 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 = this.events))) return;
+ $(this.el).unbind('.delegateEvents' + this.cid);
+ for (var key in events) {
+ var methodName = events[key];
+ var match = key.match(eventSplitter);
+ var eventName = match[1], selector = match[2];
+ var method = _.bind(this[methodName], this);
+ eventName += '.delegateEvents' + this.cid;
+ if (selector === '') {
+ $(this.el).bind(eventName, method);
+ } else {
+ $(this.el).delegate(selector, eventName, method);
+ }
+ }
+ },
+
+ // Performs the initial configuration of a View with a set of options.
+ // Keys with special meaning *(model, collection, id, className)*, are
+ // attached directly to the view.
+ _configure : function(options) {
+ if (this.options) options = _.extend({}, this.options, options);
+ for (var i = 0, l = viewOptions.length; i < l; i++) {
+ var attr = viewOptions[i];
+ if (options[attr]) this[attr] = options[attr];
+ }
+ this.options = options;
+ },
+
+ // Ensure that the View has a DOM element to render into.
+ // If `this.el` is a string, pass it through `$()`, take the first
+ // matching element, and re-assign it to `el`. Otherwise, create
+ // an element from the `id`, `className` and `tagName` proeprties.
+ _ensureElement : function() {
+ if (!this.el) {
+ var attrs = this.attributes || {};
+ if (this.id) attrs.id = this.id;
+ if (this.className) attrs['class'] = this.className;
+ this.el = this.make(this.tagName, attrs);
+ } else if (_.isString(this.el)) {
+ this.el = $(this.el).get(0);
+ }
+ }
+
+ });
+
+ // The self-propagating extend function that Backbone classes use.
+ var extend = function (protoProps, classProps) {
+ var child = inherits(this, protoProps, classProps);
+ child.extend = extend;
+ return child;
+ };
+
+ // Set up inheritance for the model, collection, and view.
+ Backbone.Model.extend = Backbone.Collection.extend =
+ Backbone.Controller.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'
+ };
+
+ // 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, 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.
+ // * Send up the models as XML instead of JSON.
+ // * Persist models via WebSockets instead of Ajax.
+ //
+ // 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`.
+ // 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 JSON-request options.
+ var params = _.extend({
+ type: type,
+ contentType: 'application/json',
+ dataType: 'json',
+ processData: false
+ }, options);
+
+ // Ensure that we have a URL.
+ if (!params.url) {
+ params.url = getUrl(model) || urlError();
+ }
+
+ // Ensure that we have the appropriate request data.
+ if (!params.data && model && (method == 'create' || method == 'update')) {
+ params.data = JSON.stringify(model.toJSON());
+ }
+
+ // For older servers, emulate JSON by encoding the request into an HTML-form.
+ if (Backbone.emulateJSON) {
+ params.contentType = 'application/x-www-form-urlencoded';
+ params.processData = true;
+ params.data = params.data ? {model : params.data} : {};
+ }
+
+ // For older servers, emulate HTTP by mimicking the HTTP method with `_method`
+ // And an `X-HTTP-Method-Override` header.
+ if (Backbone.emulateHTTP) {
+ if (type === 'PUT' || type === 'DELETE') {
+ if (Backbone.emulateJSON) params.data._method = type;
+ params.type = 'POST';
+ params.beforeSend = function(xhr) {
+ xhr.setRequestHeader('X-HTTP-Method-Override', type);
+ };
+ }
+ }
+
+ // Make the request.
+ $.ajax(params);
+ };
+
+ // Helpers
+ // -------
+
+ // Shared empty constructor function to aid in prototype-chain creation.
+ var ctor = function(){};
+
+ // Helper function to correctly set up the prototype chain, for subclasses.
+ // Similar to `goog.inherits`, but uses a hash of prototype properties and
+ // class properties to be extended.
+ var inherits = function(parent, protoProps, staticProps) {
+ var child;
+
+ // 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 `super()`.
+ if (protoProps && protoProps.hasOwnProperty('constructor')) {
+ child = protoProps.constructor;
+ } else {
+ child = function(){ return parent.apply(this, arguments); };
+ }
+
+ // Inherit class (static) properties from parent.
+ _.extend(child, parent);
+
+ // Set the prototype chain to inherit from `parent`, without calling
+ // `parent`'s constructor function.
+ ctor.prototype = parent.prototype;
+ child.prototype = new ctor();
+
+ // Add prototype properties (instance properties) to the subclass,
+ // if supplied.
+ if (protoProps) _.extend(child.prototype, protoProps);
+
+ // Add static properties to the constructor function, if supplied.
+ if (staticProps) _.extend(child, staticProps);
+
+ // Correctly set child's `prototype.constructor`, for `instanceof`.
+ child.prototype.constructor = child;
+
+ // Set a convenience property in case the parent's prototype is needed later.
+ child.__super__ = parent.prototype;
+
+ return child;
+ };
+
+ // Helper function to get a URL from a Model or Collection as a property
+ // or as a function.
+ var getUrl = function(object) {
+ if (!(object && object.url)) return null;
+ return _.isFunction(object.url) ? object.url() : object.url;
+ };
+
+ // Throw an error when a URL is needed, and none is supplied.
+ var urlError = function() {
+ throw new Error("A 'url' property or function must be specified");
+ };
+
+ // Wrap an optional error callback with a fallback error event.
+ var wrapError = function(onError, model, options) {
+ return function(resp) {
+ if (onError) {
+ onError(model, resp, options);
+ } else {
+ model.trigger('error', model, resp, options);
+ }
+ };
+ };
+
+ // Helper function to escape a string for HTML rendering.
+ var escapeHTML = function(string) {
+ return string.replace(/&(?!\w+;)/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;');
+ };
+
+}).call(this);
167 content/scripts/lib/jquery-1.4.4.min.js
@@ -0,0 +1,167 @@
+/*!
+ * jQuery JavaScript Library v1.4.4
+ * http://jquery.com/
+ *
+ * Copyright 2010, John Resig
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * Includes Sizzle.js
+ * http://sizzlejs.com/
+ * Copyright 2010, The Dojo Foundation
+ * Released under the MIT, BSD, and GPL Licenses.
+ *
+ * Date: Thu Nov 11 19:04:53 2010 -0500
+ */
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