From 9b81a25cf7804463c86afa8782ccbff27dd49648 Mon Sep 17 00:00:00 2001 From: addyosmani Date: Tue, 9 Oct 2012 20:40:09 +0100 Subject: [PATCH] Dropping the non Marionette module variation of the application, updating index, adding readme. --- index.html | 3 - .../backbone_marionette/README.md | 3 + .../backbone_marionette/index.html | 150 +- .../backbone_marionette/js/Router.js | 11 - .../js/TodoMVC.Layout.js | 0 .../js/TodoMVC.TodoList.Views.js | 0 .../js/TodoMVC.TodoList.js | 0 .../js/TodoMVC.Todos.js | 0 .../js/TodoMVC.js | 0 .../backbone_marionette/js/app.js | 45 - .../js/collections/TodoList.js | 19 - .../backbone_marionette/js/models/Todo.js | 16 - .../backbone_marionette/js/views/Footer.js | 28 - .../backbone_marionette/js/views/Header.js | 21 - .../js/views/TodoItemView.js | 49 - .../js/views/TodoListCompositeView.js | 37 - .../backbone_marionette_modules/.jshintignore | 4 - .../backbone_marionette_modules/css/app.css | 9 - .../backbone_marionette_modules/index.html | 90 -- .../js/lib/backbone-localStorage.js | 136 -- .../js/lib/backbone.js | 1431 ----------------- .../js/lib/backbone.marionette.js | 1346 ---------------- 22 files changed, 82 insertions(+), 3316 deletions(-) create mode 100644 labs/architecture-examples/backbone_marionette/README.md delete mode 100644 labs/architecture-examples/backbone_marionette/js/Router.js rename labs/architecture-examples/{backbone_marionette_modules => backbone_marionette}/js/TodoMVC.Layout.js (100%) rename labs/architecture-examples/{backbone_marionette_modules => backbone_marionette}/js/TodoMVC.TodoList.Views.js (100%) rename labs/architecture-examples/{backbone_marionette_modules => backbone_marionette}/js/TodoMVC.TodoList.js (100%) rename labs/architecture-examples/{backbone_marionette_modules => backbone_marionette}/js/TodoMVC.Todos.js (100%) rename labs/architecture-examples/{backbone_marionette_modules => backbone_marionette}/js/TodoMVC.js (100%) delete mode 100644 labs/architecture-examples/backbone_marionette/js/app.js delete mode 100644 labs/architecture-examples/backbone_marionette/js/collections/TodoList.js delete mode 100644 labs/architecture-examples/backbone_marionette/js/models/Todo.js delete mode 100644 labs/architecture-examples/backbone_marionette/js/views/Footer.js delete mode 100644 labs/architecture-examples/backbone_marionette/js/views/Header.js delete mode 100644 labs/architecture-examples/backbone_marionette/js/views/TodoItemView.js delete mode 100644 labs/architecture-examples/backbone_marionette/js/views/TodoListCompositeView.js delete mode 100644 labs/architecture-examples/backbone_marionette_modules/.jshintignore delete mode 100644 labs/architecture-examples/backbone_marionette_modules/css/app.css delete mode 100644 labs/architecture-examples/backbone_marionette_modules/index.html delete mode 100644 labs/architecture-examples/backbone_marionette_modules/js/lib/backbone-localStorage.js delete mode 100644 labs/architecture-examples/backbone_marionette_modules/js/lib/backbone.js delete mode 100644 labs/architecture-examples/backbone_marionette_modules/js/lib/backbone.marionette.js diff --git a/index.html b/index.html index 12cf2bb77a..3986dedb00 100644 --- a/index.html +++ b/index.html @@ -235,9 +235,6 @@

Labs

  • MarionetteJS
    • -
  • - MarionetteJS (modules) -
  • Thorax
    • diff --git a/labs/architecture-examples/backbone_marionette/README.md b/labs/architecture-examples/backbone_marionette/README.md new file mode 100644 index 0000000000..1f1afd2061 --- /dev/null +++ b/labs/architecture-examples/backbone_marionette/README.md @@ -0,0 +1,3 @@ +Backbone.Marionette is a composite application library for Backbone.js that aims to simplify the construction of large scale JavaScript applications. It is a collection of common design and implementation patterns found in the applications that Derick Bailey has been building with Backbone, and includes various pieces inspired by composite application architectures, such as Microsoft's "Prism" framework. + +This implementation of the application uses Marionette's module system. Variations using RequireJS and a more classic approach to JavaScript modules are also [available](https://github.com/marionettejs/backbone.marionette/wiki/Projects-and-websites-using-marionette). \ No newline at end of file diff --git a/labs/architecture-examples/backbone_marionette/index.html b/labs/architecture-examples/backbone_marionette/index.html index c018d35abe..ae1a79c239 100644 --- a/labs/architecture-examples/backbone_marionette/index.html +++ b/labs/architecture-examples/backbone_marionette/index.html @@ -1,83 +1,91 @@ - - - - Marionette • TodoMVC - - - - - -
    - -
    -
    -
    - + + + + Marionette • TodoMVC + + + - - - - - - - + - - - - + - - - - - + - - + - + - + +
    + +
    +
    +
    - + - - + + + + + + + + + + + + + + + + + diff --git a/labs/architecture-examples/backbone_marionette/js/Router.js b/labs/architecture-examples/backbone_marionette/js/Router.js deleted file mode 100644 index 2ffcd82aec..0000000000 --- a/labs/architecture-examples/backbone_marionette/js/Router.js +++ /dev/null @@ -1,11 +0,0 @@ - -var Router = Backbone.Marionette.AppRouter.extend({ - appRoutes : { - '*filter': 'setFilter' - }, - controller : { - setFilter : function(param) { - app.vent.trigger('todoList:filter', param.trim() || ''); - } - } -}); diff --git a/labs/architecture-examples/backbone_marionette_modules/js/TodoMVC.Layout.js b/labs/architecture-examples/backbone_marionette/js/TodoMVC.Layout.js similarity index 100% rename from labs/architecture-examples/backbone_marionette_modules/js/TodoMVC.Layout.js rename to labs/architecture-examples/backbone_marionette/js/TodoMVC.Layout.js diff --git a/labs/architecture-examples/backbone_marionette_modules/js/TodoMVC.TodoList.Views.js b/labs/architecture-examples/backbone_marionette/js/TodoMVC.TodoList.Views.js similarity index 100% rename from labs/architecture-examples/backbone_marionette_modules/js/TodoMVC.TodoList.Views.js rename to labs/architecture-examples/backbone_marionette/js/TodoMVC.TodoList.Views.js diff --git a/labs/architecture-examples/backbone_marionette_modules/js/TodoMVC.TodoList.js b/labs/architecture-examples/backbone_marionette/js/TodoMVC.TodoList.js similarity index 100% rename from labs/architecture-examples/backbone_marionette_modules/js/TodoMVC.TodoList.js rename to labs/architecture-examples/backbone_marionette/js/TodoMVC.TodoList.js diff --git a/labs/architecture-examples/backbone_marionette_modules/js/TodoMVC.Todos.js b/labs/architecture-examples/backbone_marionette/js/TodoMVC.Todos.js similarity index 100% rename from labs/architecture-examples/backbone_marionette_modules/js/TodoMVC.Todos.js rename to labs/architecture-examples/backbone_marionette/js/TodoMVC.Todos.js diff --git a/labs/architecture-examples/backbone_marionette_modules/js/TodoMVC.js b/labs/architecture-examples/backbone_marionette/js/TodoMVC.js similarity index 100% rename from labs/architecture-examples/backbone_marionette_modules/js/TodoMVC.js rename to labs/architecture-examples/backbone_marionette/js/TodoMVC.js diff --git a/labs/architecture-examples/backbone_marionette/js/app.js b/labs/architecture-examples/backbone_marionette/js/app.js deleted file mode 100644 index a746b429f1..0000000000 --- a/labs/architecture-examples/backbone_marionette/js/app.js +++ /dev/null @@ -1,45 +0,0 @@ -/*global $*/ - -var todoList = new TodoList(); - -var app = new Backbone.Marionette.Application(); - -app.bindTo(todoList, 'all', function () { - if (todoList.length === 0) { - app.main.$el.hide(); - app.footer.$el.hide(); - } else { - app.main.$el.show(); - app.footer.$el.show(); - } -}); - -app.addRegions({ - header : '#header', - main : '#main', - footer : '#footer' -}); - -app.addInitializer(function(){ - app.header.show(new Header()); - app.main.show(new TodoListCompositeView({ - collection : todoList - })); - app.footer.show(new Footer()); - - todoList.fetch(); -}); - - -app.vent.on('todoList:filter',function(filter) { - filter = filter || 'all'; - $('#todoapp').attr('class', 'filter-' + filter); -}); - -$(function(){ - app.start(); - new Router(); - Backbone.history.start(); -}); - - diff --git a/labs/architecture-examples/backbone_marionette/js/collections/TodoList.js b/labs/architecture-examples/backbone_marionette/js/collections/TodoList.js deleted file mode 100644 index 7a2afda19f..0000000000 --- a/labs/architecture-examples/backbone_marionette/js/collections/TodoList.js +++ /dev/null @@ -1,19 +0,0 @@ - -var TodoList = (function(){ - function isCompleted(todo) { return todo.get('completed'); } - - return Backbone.Collection.extend({ - model: Todo, - localStorage: new Backbone.LocalStorage('todos-backbone'), - - getCompleted: function() { - return this.filter(isCompleted); - }, - getActive: function() { - return this.reject(isCompleted); - }, - comparator: function( todo ) { - return todo.get('created'); - } - }); -}()); diff --git a/labs/architecture-examples/backbone_marionette/js/models/Todo.js b/labs/architecture-examples/backbone_marionette/js/models/Todo.js deleted file mode 100644 index 6815fe1034..0000000000 --- a/labs/architecture-examples/backbone_marionette/js/models/Todo.js +++ /dev/null @@ -1,16 +0,0 @@ - -var Todo = Backbone.Model.extend({ - localStorage: new Backbone.LocalStorage('todos-backbone'), - defaults: { - title : '', - completed : false, - created : 0 - }, - initialize : function() { - if (this.isNew()) this.set('created', Date.now()); - }, - toggle : function() { - return this.set('completed', !this.get('completed')); - } -}); - diff --git a/labs/architecture-examples/backbone_marionette/js/views/Footer.js b/labs/architecture-examples/backbone_marionette/js/views/Footer.js deleted file mode 100644 index 04fcec7f37..0000000000 --- a/labs/architecture-examples/backbone_marionette/js/views/Footer.js +++ /dev/null @@ -1,28 +0,0 @@ - -var Footer = Backbone.Marionette.Layout.extend({ - template : "#template-footer", - ui : { - count : '#todo-count strong', - filters : '#filters a' - }, - events : { - 'click #clear-completed' : 'onClearClick' - }, - initialize : function() { - this.bindTo(app.vent, 'todoList:filter', this.updateFilterSelection, this); - this.bindTo(todoList, 'all', this.updateCount, this); - }, - onRender : function() { - this.updateCount(); - }, - updateCount : function() { - this.ui.count.html(todoList.getActive().length); - }, - updateFilterSelection : function(filter) { - this.ui.filters.removeClass('selected').filter('[href="#/' + filter + '"]').addClass('selected'); - }, - onClearClick : function() { - function destroy(todo) { todo.destroy(); } - todoList.getCompleted().forEach(destroy); - } -}); diff --git a/labs/architecture-examples/backbone_marionette/js/views/Header.js b/labs/architecture-examples/backbone_marionette/js/views/Header.js deleted file mode 100644 index 8bc0504cd2..0000000000 --- a/labs/architecture-examples/backbone_marionette/js/views/Header.js +++ /dev/null @@ -1,21 +0,0 @@ - -var Header = Backbone.Marionette.ItemView.extend({ - template : "#template-header", - ui : { - input : '#new-todo' - }, - events : { - 'keypress #new-todo': 'onInputKeypress' - }, - onInputKeypress : function(evt) { - var ENTER_KEY = 13; - var todoText = this.ui.input.val().trim(); - - if ( evt.which === ENTER_KEY && todoText ) { - todoList.create({ - title : todoText - }); - this.ui.input.val(''); - } - } -}); diff --git a/labs/architecture-examples/backbone_marionette/js/views/TodoItemView.js b/labs/architecture-examples/backbone_marionette/js/views/TodoItemView.js deleted file mode 100644 index 2c4b3066ba..0000000000 --- a/labs/architecture-examples/backbone_marionette/js/views/TodoItemView.js +++ /dev/null @@ -1,49 +0,0 @@ - -var TodoItemView = Backbone.Marionette.CompositeView.extend({ - tagName : 'li', - template : "#template-todoItemView", - - ui : { - edit : '.edit' - }, - - events : { - 'click .destroy' : 'destroy', - 'dblclick label' : 'onEditClick', - 'keypress .edit' : 'onEditKeypress', - 'click .toggle' : 'toggle' - }, - - initialize : function() { - this.bindTo(this.model, 'change', this.render, this); - }, - - onRender : function() { - this.$el.removeClass('active completed'); - if (this.model.get('completed')) this.$el.addClass('completed'); - else this.$el.addClass('active'); - }, - - destroy : function() { - this.model.destroy(); - }, - - toggle : function() { - this.model.toggle().save(); - }, - - onEditClick : function() { - this.$el.addClass('editing'); - this.ui.edit.focus(); - }, - - onEditKeypress : function(evt) { - var ENTER_KEY = 13; - var todoText = this.ui.edit.val().trim(); - - if ( evt.which === ENTER_KEY && todoText ) { - this.model.set('title', todoText).save(); - this.$el.removeClass('editing'); - } - } -}); diff --git a/labs/architecture-examples/backbone_marionette/js/views/TodoListCompositeView.js b/labs/architecture-examples/backbone_marionette/js/views/TodoListCompositeView.js deleted file mode 100644 index 1297d34ba9..0000000000 --- a/labs/architecture-examples/backbone_marionette/js/views/TodoListCompositeView.js +++ /dev/null @@ -1,37 +0,0 @@ - -var TodoListCompositeView = Backbone.Marionette.CompositeView.extend({ - template : "#template-todoListCompositeView", - itemView : TodoItemView, - itemViewContainer : '#todo-list', - - ui : { - toggle : '#toggle-all' - }, - - events : { - 'click #toggle-all' : 'onToggleAllClick' - }, - - initialize : function() { - this.bindTo(this.collection, 'all', this.updateToggleCheckbox, this); - }, - - onRender : function() { - this.updateToggleCheckbox(); - }, - - updateToggleCheckbox : function() { - function reduceCompleted(left, right) { return left && right.get('completed'); } - var allCompleted = this.collection.reduce(reduceCompleted,true); - this.ui.toggle.prop('checked', allCompleted); - }, - - onToggleAllClick : function(evt) { - var isChecked = evt.currentTarget.checked; - this.collection.each(function(todo){ - todo.save({'completed': isChecked}); - }); - } -}); - - diff --git a/labs/architecture-examples/backbone_marionette_modules/.jshintignore b/labs/architecture-examples/backbone_marionette_modules/.jshintignore deleted file mode 100644 index bd1bddd747..0000000000 --- a/labs/architecture-examples/backbone_marionette_modules/.jshintignore +++ /dev/null @@ -1,4 +0,0 @@ -js/lib/underscore.js -js/lib/backbone.js -js/lib/backbone.marionette.js -js/lib/backbone-localStorage.js diff --git a/labs/architecture-examples/backbone_marionette_modules/css/app.css b/labs/architecture-examples/backbone_marionette_modules/css/app.css deleted file mode 100644 index 4c22f62eb1..0000000000 --- a/labs/architecture-examples/backbone_marionette_modules/css/app.css +++ /dev/null @@ -1,9 +0,0 @@ -#todoapp.filter-active #todo-list .completed, -#todoapp.filter-completed #todo-list .active { - display: none; -} - -#main, -#footer { - display: none; -} diff --git a/labs/architecture-examples/backbone_marionette_modules/index.html b/labs/architecture-examples/backbone_marionette_modules/index.html deleted file mode 100644 index 3e0a5dd39e..0000000000 --- a/labs/architecture-examples/backbone_marionette_modules/index.html +++ /dev/null @@ -1,90 +0,0 @@ - - - - - - - Marionette • TodoMVC - - - - - - - - - - - - - - - -
    - -
    -
    -
    - - - - - - - - - - - - - - - - - - - - - diff --git a/labs/architecture-examples/backbone_marionette_modules/js/lib/backbone-localStorage.js b/labs/architecture-examples/backbone_marionette_modules/js/lib/backbone-localStorage.js deleted file mode 100644 index 56021e5e72..0000000000 --- a/labs/architecture-examples/backbone_marionette_modules/js/lib/backbone-localStorage.js +++ /dev/null @@ -1,136 +0,0 @@ -/** - * Backbone localStorage Adapter - * https://github.com/jeromegn/Backbone.localStorage - */ - -(function() { - // A simple module to replace `Backbone.sync` with *localStorage*-based - // persistence. Models are given GUIDS, and saved into a JSON object. Simple - // as that. - - // Hold reference to Underscore.js and Backbone.js in the closure in order - // to make things work even if they are removed from the global namespace - var _ = this._; - var Backbone = this.Backbone; - - // 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. - // window.Store is deprectated, use Backbone.LocalStorage instead - Backbone.LocalStorage = window.Store = function(name) { - this.name = name; - var store = this.localStorage().getItem(this.name); - this.records = (store && store.split(",")) || []; - }; - - _.extend(Backbone.LocalStorage.prototype, { - - // Save the current state of the **Store** to *localStorage*. - save: function() { - this.localStorage().setItem(this.name, this.records.join(",")); - }, - - // 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 = guid(); - model.set(model.idAttribute, model.id); - } - this.localStorage().setItem(this.name+"-"+model.id, JSON.stringify(model)); - this.records.push(model.id.toString()); - this.save(); - return model.toJSON(); - }, - - // Update a model by replacing its copy in `this.data`. - update: function(model) { - this.localStorage().setItem(this.name+"-"+model.id, JSON.stringify(model)); - if (!_.include(this.records, model.id.toString())) this.records.push(model.id.toString()); this.save(); - return model.toJSON(); - }, - - // Retrieve a model from `this.data` by id. - find: function(model) { - return JSON.parse(this.localStorage().getItem(this.name+"-"+model.id)); - }, - - // Return the array of all models currently in storage. - findAll: function() { - return _(this.records).chain() - .map(function(id){return JSON.parse(this.localStorage().getItem(this.name+"-"+id));}, this) - .compact() - .value(); - }, - - // Delete a model from `this.data`, returning it. - destroy: function(model) { - this.localStorage().removeItem(this.name+"-"+model.id); - this.records = _.reject(this.records, function(record_id){return record_id == model.id.toString();}); - this.save(); - return model; - }, - - localStorage: function() { - return localStorage; - } - - }); - - // localSync delegate to the model or collection's - // *localStorage* property, which should be an instance of `Store`. - // window.Store.sync and Backbone.localSync is deprectated, use Backbone.LocalStorage.sync instead - Backbone.LocalStorage.sync = window.Store.sync = Backbone.localSync = function(method, model, options, error) { - var store = model.localStorage || model.collection.localStorage; - - // Backwards compatibility with Backbone <= 0.3.3 - if (typeof options == 'function') { - options = { - success: options, - error: error - }; - } - - var resp; - - switch (method) { - case "read": resp = model.id != undefined ? 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"); - } - }; - - Backbone.ajaxSync = Backbone.sync; - - Backbone.getSyncMethod = function(model) { - if(model.localStorage || (model.collection && model.collection.localStorage)) - { - return Backbone.localSync; - } - - return Backbone.ajaxSync; - }; - - // Override 'Backbone.sync' to default to localSync, - // the original 'Backbone.sync' is still available in 'Backbone.ajaxSync' - Backbone.sync = function(method, model, options, error) { - return Backbone.getSyncMethod(model).apply(this, [method, model, options, error]); - }; - -})(); diff --git a/labs/architecture-examples/backbone_marionette_modules/js/lib/backbone.js b/labs/architecture-examples/backbone_marionette_modules/js/lib/backbone.js deleted file mode 100644 index f5b3daa1e9..0000000000 --- a/labs/architecture-examples/backbone_marionette_modules/js/lib/backbone.js +++ /dev/null @@ -1,1431 +0,0 @@ -// Backbone.js 0.9.2 - -// (c) 2010-2012 Jeremy Ashkenas, DocumentCloud Inc. -// Backbone may be freely distributed under the MIT license. -// For all details and documentation: -// http://backbonejs.org - -(function(){ - - // Initial Setup - // ------------- - - // Save a reference to the global object (`window` in the browser, `global` - // on the server). - var root = this; - - // Save the previous value of the `Backbone` variable, so that it can be - // restored later on, if `noConflict` is used. - 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; - if (typeof exports !== 'undefined') { - Backbone = exports; - } else { - Backbone = root.Backbone = {}; - } - - // Current version of the library. Keep in sync with `package.json`. - Backbone.VERSION = '0.9.2'; - - // 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; - }; - - // Runs Backbone.js in *noConflict* mode, returning the `Backbone` variable - // to its previous owner. Returns a reference to this Backbone object. - Backbone.noConflict = function() { - root.Backbone = previousBackbone; - 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. - 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 - // ----------------- - - // 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. - // - // var object = {}; - // _.extend(object, Backbone.Events); - // object.on('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}; - } - - 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); - } - } - } - - 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; - 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); - } - } - } - - 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) { - var defaults; - attributes || (attributes = {}); - if (options && options.parse) attributes = this.parse(attributes); - if (defaults = getValue(this, 'defaults')) { - 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._previousAttributes = _.clone(this.attributes); - this.initialize.apply(this, arguments); - }; - - // Attach all inheritable methods to the Model prototype. - _.extend(Model.prototype, Events, { - - // A hash of attributes whose current and previous value differ. - changed: 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, - - // 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(options) { - 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.get(attr); - return this._escapedAttributes[attr] = _.escape(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; - }, - - // 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; - } - - // 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; - - // Run validation. - if (!this._validate(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]; - - // If the new and current value differ, record the change. - if (!_.isEqual(now[attr], val) || (options.unset && _.has(now, attr))) { - 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]; - } - } - - // Fire the `"change"` events. - if (!options.silent) 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) { - (options || (options = {})).unset = true; - return this.set(attr, null, options); - }, - - // 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); - }, - - // 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) : {}; - 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); - 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. - 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); - } - }; - - // Finish configuring and sending the Ajax request. - options.error = Backbone.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; - }, - - // 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) : {}; - 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); - } - }; - - 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; - }, - - // 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(); - 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) { - return resp; - }, - - // Create a new model with identical attributes to this one. - clone: function() { - return new this.constructor(this.attributes); - }, - - // A model is new if it has never been saved to the server, and lacks an id. - 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. - // 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; - }, - - // 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); - }, - - // 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 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; - 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); - }, - - // 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); - } - return false; - } - - }); - - // 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. - var Collection = Backbone.Collection = function(models, options) { - options || (options = {}); - if (options.model) this.model = options.model; - if (options.comparator) this.comparator = options.comparator; - this._reset(); - 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, { - - // The default model for a collection is just a **Backbone.Model**. - // This should be overridden in most cases. - model: 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(options) { - return this.map(function(model){ return model.toJSON(options); }); - }, - - // 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; - } - 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); - } - 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); - } - this._removeReference(model); - } - 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; - 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]; - }, - - // 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) { - 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); - } - if (!options.silent) this.trigger('reset', 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 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) { - models || (models = []); - options || (options = {}); - for (var i = 0, l = this.models.length; i < l; i++) { - this._removeReference(this.models[i]); - } - this._reset(); - this.add(models, _.extend({silent: true}, options)); - if (!options.silent) this.trigger('reset', this, options); - return this; - }, - - // 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; - 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); - 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) { - var coll = this; - options = options ? _.clone(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); - } - }; - model.save(null, options); - return model; - }, - - // **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) { - 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 reset. - _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. - _prepareModel: function(model, options) { - options || (options = {}); - if (!(model instanceof Model)) { - var attrs = model; - options.collection = this; - model = new this.model(attrs, options); - if (!model._validate(model.attributes, options)) model = false; - } else if (!model.collection) { - model.collection = this; - } - return model; - }, - - // Internal method to remove a model's ties to a collection. - _removeReference: function(model) { - if (this == model.collection) { - delete model.collection; - } - model.off('all', this._onModelEvent, this); - }, - - // 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); - } - if (model && event === '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', 'contains', 'invoke', 'max', 'min', 'sortBy', 'sortedIndex', - 'toArray', 'size', 'first', 'initial', 'rest', 'last', 'without', 'indexOf', - 'shuffle', 'lastIndexOf', 'isEmpty', 'groupBy']; - - // Mix in each Underscore method as a proxy to `Collection#models`. - _.each(methods, function(method) { - Collection.prototype[method] = function() { - return _[method].apply(_, [this.models].concat(_.toArray(arguments))); - }; - }); - - // Backbone.Router - // ------------------- - - // 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) { - options || (options = {}); - if (options.routes) this.routes = options.routes; - this._bindRoutes(); - this.initialize.apply(this, arguments); - }; - - // Cached regular expressions for matching named param parts and splatted - // parts of route strings. - var namedParam = /:\w+/g; - var splatParam = /\*\w+/g; - var escapeRegExp = /[-[\]{}()+?.,\\^$|#\s]/g; - - // Set up all inheritable **Backbone.Router** properties and methods. - _.extend(Router.prototype, Events, { - - // Initialize is an empty function by default. Override it with your own - // initialization logic. - initialize: function(){}, - - // Manually bind a single named route to a callback. For example: - // - // this.route('search/:query/p:num', 'search', function(query, num) { - // ... - // }); - // - route: function(route, name, callback) { - Backbone.history || (Backbone.history = new History); - if (!_.isRegExp(route)) route = this._routeToRegExp(route); - if (!callback) callback = this[name]; - Backbone.history.route(route, _.bind(function(fragment) { - var args = this._extractParameters(route, fragment); - callback && callback.apply(this, args); - this.trigger.apply(this, ['route:' + name].concat(args)); - Backbone.history.trigger('route', this, name, args); - }, this)); - return this; - }, - - // Simple proxy to `Backbone.history` to save a fragment into the history. - navigate: function(fragment, options) { - Backbone.history.navigate(fragment, options); - }, - - // Bind all defined routes to `Backbone.history`. We have to reverse the - // order of the routes here to support behavior where the most general - // routes can be defined at the bottom of the route map. - _bindRoutes: function() { - if (!this.routes) return; - var routes = []; - for (var route in this.routes) { - routes.unshift([route, this.routes[route]]); - } - for (var i = 0, l = routes.length; i < l; i++) { - this.route(routes[i][0], routes[i][1], this[routes[i][1]]); - } - }, - - // Convert a route string into a regular expression, suitable for matching - // against the current location hash. - _routeToRegExp: function(route) { - route = route.replace(escapeRegExp, '\\$&') - .replace(namedParam, '([^\/]+)') - .replace(splatParam, '(.*?)'); - return new RegExp('^' + route + '$'); - }, - - // Given a route, and a URL fragment that it matches, return the array of - // extracted parameters. - _extractParameters: function(route, fragment) { - return route.exec(fragment).slice(1); - } - - }); - - // Backbone.History - // ---------------- - - // Handles cross-browser history management, based on URL fragments. If the - // browser does not support `onhashchange`, falls back to polling. - var History = Backbone.History = function() { - this.handlers = []; - _.bindAll(this, 'checkUrl'); - }; - - // Cached regex for cleaning leading hashes and slashes . - var routeStripper = /^[#\/]/; - - // Cached regex for detecting MSIE. - var isExplorer = /msie [\w.]+/; - - // Has the history handling already been started? - History.started = false; - - // Set up all inheritable **Backbone.History** properties and methods. - _.extend(History.prototype, Events, { - - // The default interval to poll for hash changes, if necessary, is - // twenty times a second. - interval: 50, - - // Gets the true hash value. Cannot use location.hash directly due to bug - // in Firefox where location.hash will always be decoded. - getHash: function(windowOverride) { - var loc = windowOverride ? windowOverride.location : window.location; - var match = loc.href.match(/#(.*)$/); - return match ? match[1] : ''; - }, - - // Get the cross-browser normalized URL fragment, either from the URL, - // the hash, or the override. - getFragment: function(fragment, forcePushState) { - if (fragment == null) { - if (this._hasPushState || forcePushState) { - fragment = window.location.pathname; - var search = window.location.search; - if (search) fragment += search; - } else { - fragment = this.getHash(); - } - } - if (!fragment.indexOf(this.options.root)) fragment = fragment.substr(this.options.root.length); - return fragment.replace(routeStripper, ''); - }, - - // 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; - - // Figure out the initial configuration. Do we need an iframe? - // Is pushState desired ... is it available? - 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 = $('