diff --git a/NzbDrone.Web/_backboneApp/JsLibraries/backbone.js b/NzbDrone.Web/_backboneApp/JsLibraries/backbone.js
index 90e18d4ac..e51528b94 100644
--- a/NzbDrone.Web/_backboneApp/JsLibraries/backbone.js
+++ b/NzbDrone.Web/_backboneApp/JsLibraries/backbone.js
@@ -1,1533 +1,1498 @@
-// Backbone.js 0.9.9
+// Backbone.js 0.9.10
// (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, `exports`
- // 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 array methods.
- var array = [];
- var push = array.push;
- var slice = array.slice;
- var splice = array.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 = '0.9.9';
-
- // 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 `$` variable.
- Backbone.$ = root.jQuery || root.Zepto || root.ender;
-
- // 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+/;
-
- // Implement fancy features of the Events API such as multiple event
- // names `"change blur"` and jQuery-style event maps `{change: action}`
- // in terms of the existing API.
- var eventsApi = function(obj, action, name, rest) {
- if (!name) return true;
- if (typeof name === 'object') {
- for (var key in name) {
- obj[action].apply(obj, [key, name[key]].concat(rest));
- }
- } else if (eventSplitter.test(name)) {
- var names = name.split(eventSplitter);
- for (var i = 0, l = names.length; i < l; i++) {
- obj[action].apply(obj, [names[i]].concat(rest));
- }
+(function () {
+
+ // Initial Setup
+ // -------------
+
+ // Save a reference to the global object (`window` in the browser, `exports`
+ // 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 array methods.
+ var array = [];
+ var push = array.push;
+ var slice = array.slice;
+ var splice = array.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 {
- return true;
+ Backbone = root.Backbone = {};
}
- };
-
- // Optimized internal dispatch function for triggering events. Tries to
- // keep the usual cases speedy (most Backbone events have 3 arguments).
- var triggerEvents = function(obj, events, args) {
- var ev, i = -1, l = events.length;
- switch (args.length) {
- case 0: while (++i < l) (ev = events[i]).callback.call(ev.ctx);
- return;
- case 1: while (++i < l) (ev = events[i]).callback.call(ev.ctx, args[0]);
- return;
- case 2: while (++i < l) (ev = events[i]).callback.call(ev.ctx, args[0], args[1]);
- return;
- case 3: while (++i < l) (ev = events[i]).callback.call(ev.ctx, args[0], args[1], args[2]);
- return;
- default: while (++i < l) (ev = events[i]).callback.apply(ev.ctx, args);
- }
- };
-
- // 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, or an events map,
- // to a `callback` function. Passing `"all"` will bind the callback to
- // all events fired.
- on: function(name, callback, context) {
- if (!(eventsApi(this, 'on', name, [callback, context]) && callback)) return this;
- this._events || (this._events = {});
- var list = this._events[name] || (this._events[name] = []);
- list.push({callback: callback, context: context, ctx: context || this});
- return this;
- },
-
- // Bind events to only be triggered a single time. After the first time
- // the callback is invoked, it will be removed.
- once: function(name, callback, context) {
- if (!(eventsApi(this, 'once', name, [callback, context]) && callback)) return this;
- var self = this;
- var once = _.once(function() {
- self.off(name, once);
- callback.apply(this, arguments);
- });
- once._callback = callback;
- this.on(name, once, context);
- return this;
- },
-
- // Remove one or many callbacks. If `context` is null, removes all
- // callbacks with that function. If `callback` is null, removes all
- // callbacks for the event. If `events` is null, removes all bound
- // callbacks for all events.
- off: function(name, callback, context) {
- var list, ev, events, names, i, l, j, k;
- if (!this._events || !eventsApi(this, 'off', name, [callback, context])) return this;
- if (!name && !callback && !context) {
- this._events = {};
+
+ // Current version of the library. Keep in sync with `package.json`.
+ Backbone.VERSION = '0.9.10';
+
+ // 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 `$` variable.
+ Backbone.$ = root.jQuery || root.Zepto || root.ender;
+
+ // 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;
- }
-
- names = name ? [name] : _.keys(this._events);
- for (i = 0, l = names.length; i < l; i++) {
- name = names[i];
- if (list = this._events[name]) {
- events = [];
- if (callback || context) {
- for (j = 0, k = list.length; j < k; j++) {
- ev = list[j];
- if ((callback && callback !== (ev.callback._callback || ev.callback)) ||
- (context && context !== ev.context)) {
- events.push(ev);
- }
+ };
+
+ // 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+/;
+
+ // Implement fancy features of the Events API such as multiple event
+ // names `"change blur"` and jQuery-style event maps `{change: action}`
+ // in terms of the existing API.
+ var eventsApi = function (obj, action, name, rest) {
+ if (!name) return true;
+ if (typeof name === 'object') {
+ for (var key in name) {
+ obj[action].apply(obj, [key, name[key]].concat(rest));
}
- }
- this._events[name] = events;
- }
- }
-
- 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(name) {
- if (!this._events) return this;
- var args = slice.call(arguments, 1);
- if (!eventsApi(this, 'trigger', name, args)) return this;
- var events = this._events[name];
- var allEvents = this._events.all;
- if (events) triggerEvents(this, events, args);
- if (allEvents) triggerEvents(this, allEvents, arguments);
- return this;
- },
-
- // An inversion-of-control version of `on`. Tell *this* object to listen to
- // an event in another object ... keeping track of what it's listening to.
- listenTo: function(object, events, callback) {
- var listeners = this._listeners || (this._listeners = {});
- var id = object._listenerId || (object._listenerId = _.uniqueId('l'));
- listeners[id] = object;
- object.on(events, callback || this, this);
- return this;
- },
-
- // Tell this object to stop listening to either specific events ... or
- // to every object it's currently listening to.
- stopListening: function(object, events, callback) {
- var listeners = this._listeners;
- if (!listeners) return;
- if (object) {
- object.off(events, callback, this);
- if (!events && !callback) delete listeners[object._listenerId];
- } else {
- for (var id in listeners) {
- listeners[id].off(null, null, this);
- }
- this._listeners = {};
- }
- return this;
- }
- };
-
- // Aliases for backwards compatibility.
- Events.bind = Events.on;
- Events.unbind = Events.off;
-
- // Allow the `Backbone` object to serve as a global event bus, for folks who
- // want global "pubsub" in a convenient place.
- _.extend(Backbone, Events);
-
- // 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;
- var attrs = attributes || {};
- this.cid = _.uniqueId('c');
- this.changed = {};
- this.attributes = {};
- this._changes = [];
- if (options && options.collection) this.collection = options.collection;
- if (options && options.parse) attrs = this.parse(attrs);
- if (defaults = _.result(this, 'defaults')) _.defaults(attrs, defaults);
- this.set(attrs, {silent: true});
- this._currentAttributes = _.clone(this.attributes);
- 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,
-
- // 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);
- },
-
- // Proxy `Backbone.sync` by default.
- sync: function() {
- return Backbone.sync.apply(this, arguments);
- },
-
- // Get the value of an attribute.
- get: function(attr) {
- return this.attributes[attr];
- },
-
- // Get the HTML-escaped value of an attribute.
- escape: function(attr) {
- return _.escape(this.get(attr));
- },
-
- // 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, val, options) {
- var attr, attrs;
- if (key == null) return this;
-
- // Handle both `"key", value` and `{key: value}` -style arguments.
- if (_.isObject(key)) {
- attrs = key;
- options = val;
- } else {
- (attrs = {})[key] = val;
- }
-
- // Extract attributes and options.
- var silent = options && options.silent;
- var unset = options && options.unset;
-
- // 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 now = this.attributes;
-
- // For each `set` attribute...
- for (attr in attrs) {
- val = attrs[attr];
-
- // Update or delete the current value, and track the change.
- unset ? delete now[attr] : now[attr] = val;
- this._changes.push(attr, val);
- }
-
- // Signal that the model's state has potentially changed, and we need
- // to recompute the actual changes.
- this._hasComputed = false;
-
- // Fire the `"change"` events.
- if (!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) {
- return this.set(attr, void 0, _.extend({}, options, {unset: true}));
- },
-
- // Clear all attributes on the model, firing `"change"` unless you choose
- // to silence it.
- clear: function(options) {
- var attrs = {};
- for (var key in this.attributes) attrs[key] = void 0;
- return this.set(attrs, _.extend({}, options, {unset: true}));
- },
-
- // 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) : {};
- if (options.parse === void 0) options.parse = true;
- var model = this;
- var success = options.success;
- options.success = function(resp, status, xhr) {
- if (!model.set(model.parse(resp), options)) return false;
- if (success) success(model, resp, options);
- };
- return this.sync('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, val, options) {
- var attrs, current, done;
-
- // Handle both `"key", value` and `{key: value}` -style arguments.
- if (key == null || _.isObject(key)) {
- attrs = key;
- options = val;
- } else if (key != null) {
- (attrs = {})[key] = val;
- }
- options = options ? _.clone(options) : {};
-
- // If we're "wait"-ing to set changed attributes, validate early.
- if (options.wait) {
- if (attrs && !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;
- }
-
- // Do not persist invalid models.
- if (!attrs && !this._validate(null, 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) {
- done = true;
- var serverAttrs = model.parse(resp);
- if (options.wait) serverAttrs = _.extend(attrs || {}, serverAttrs);
- if (!model.set(serverAttrs, options)) return false;
- if (success) success(model, resp, options);
- };
-
- // Finish configuring and sending the Ajax request.
- var method = this.isNew() ? 'create' : (options.patch ? 'patch' : 'update');
- if (method == 'patch') options.attrs = attrs;
- var xhr = this.sync(method, this, options);
-
- // When using `wait`, reset attributes to original values unless
- // `success` has been called already.
- if (!done && options.wait) {
- this.clear(silentOptions);
- 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 destroy = function() {
- model.trigger('destroy', model, model.collection, options);
- };
-
- options.success = function(resp) {
- if (options.wait || model.isNew()) destroy();
- if (success) success(model, resp, options);
- };
-
- if (this.isNew()) {
- options.success();
- return false;
- }
-
- var xhr = this.sync('delete', this, options);
- if (!options.wait) destroy();
- 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 = _.result(this, 'urlRoot') || _.result(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) {
- 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) {
- var changing = this._changing;
- this._changing = true;
-
- // Generate the changes to be triggered on the model.
- var triggers = this._computeChanges(true);
-
- this._pending = !!triggers.length;
-
- for (var i = triggers.length - 2; i >= 0; i -= 2) {
- this.trigger('change:' + triggers[i], this, triggers[i + 1], options);
- }
-
- if (changing) return this;
-
- // Trigger a `change` while there have been changes.
- while (this._pending) {
- this._pending = false;
- this.trigger('change', this, options);
- 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 (!this._hasComputed) this._computeChanges();
- if (attr == null) 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;
- },
-
- // Looking at the built up list of `set` attribute changes, compute how
- // many of the attributes have actually changed. If `loud`, return a
- // boiled-down list of only the real changes.
- _computeChanges: function(loud) {
- this.changed = {};
- var already = {};
- var triggers = [];
- var current = this._currentAttributes;
- var changes = this._changes;
-
- // Loop through the current queue of potential model changes.
- for (var i = changes.length - 2; i >= 0; i -= 2) {
- var key = changes[i], val = changes[i + 1];
- if (already[key]) continue;
- already[key] = true;
-
- // Check if the attribute has been modified since the last change,
- // and update `this.changed` accordingly. If we're inside of a `change`
- // call, also add a trigger to the list.
- if (current[key] !== val) {
- this.changed[key] = val;
- if (!loud) continue;
- triggers.push(key, val);
- current[key] = val;
+ } else if (eventSplitter.test(name)) {
+ var names = name.split(eventSplitter);
+ for (var i = 0, l = names.length; i < l; i++) {
+ obj[action].apply(obj, [names[i]].concat(rest));
+ }
+ } else {
+ return true;
}
- }
- if (loud) this._changes = [];
-
- // Signals `this.changed` is current to prevent duplicate calls from `this.hasChanged`.
- this._hasComputed = true;
- return triggers;
- },
-
- // Get the previous value of an attribute, recorded at the time the last
- // `"change"` event was fired.
- previous: function(attr) {
- if (attr == null || !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 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 (!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);
- 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 !== void 0) this.comparator = options.comparator;
- this._reset();
- this.initialize.apply(this, arguments);
- if (models) this.reset(models, _.extend({silent: true}, options));
- };
-
- // 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); });
- },
-
- // Proxy `Backbone.sync` by default.
- sync: function() {
- return Backbone.sync.apply(this, arguments);
- },
-
- // 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, args, length, model, existing, needsSort;
- var at = options && options.at;
- var sort = ((options && options.sort) == null ? true : options.sort);
- models = _.isArray(models) ? models.slice() : [models];
-
- // Turn bare objects into model references, and prevent invalid models
- // from being added.
- for (i = models.length - 1; i >= 0; i--) {
- if(!(model = this._prepareModel(models[i], options))) {
- this.trigger("error", this, models[i], options);
- models.splice(i, 1);
- continue;
- }
- models[i] = model;
-
- existing = model.id != null && this._byId[model.id];
- // If a duplicate is found, prevent it from being added and
- // optionally merge it into the existing model.
- if (existing || this._byCid[model.cid]) {
- if (options && options.merge && existing) {
- existing.set(model.attributes, options);
- needsSort = sort;
- }
- models.splice(i, 1);
- continue;
+ // Optimized internal dispatch function for triggering events. Tries to
+ // keep the usual cases speedy (most Backbone events have 3 arguments).
+ var triggerEvents = function (events, args) {
+ var ev, i = -1, l = events.length;
+ switch (args.length) {
+ case 0: while (++i < l) (ev = events[i]).callback.call(ev.ctx);
+ return;
+ case 1: while (++i < l) (ev = events[i]).callback.call(ev.ctx, args[0]);
+ return;
+ case 2: while (++i < l) (ev = events[i]).callback.call(ev.ctx, args[0], args[1]);
+ return;
+ case 3: while (++i < l) (ev = events[i]).callback.call(ev.ctx, args[0], args[1], args[2]);
+ return;
+ default: while (++i < l) (ev = events[i]).callback.apply(ev.ctx, args);
}
+ };
- // Listen to added models' events, and index models for lookup by
- // `id` and by `cid`.
- model.on('all', this._onModelEvent, this);
- this._byCid[model.cid] = model;
- if (model.id != null) this._byId[model.id] = model;
- }
-
- // See if sorting is needed, update `length` and splice in new models.
- if (models.length) needsSort = sort;
- this.length += models.length;
- args = [at != null ? at : this.models.length, 0];
- push.apply(args, models);
- splice.apply(this.models, args);
-
- // Sort the collection if appropriate.
- if (needsSort && this.comparator && at == null) this.sort({silent: true});
-
- if (options && options.silent) return this;
-
- // Trigger `add` events.
- while (model = models.shift()) {
- 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.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, _.extend({at: this.length}, 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;
- },
-
- // Slice out a sub-array of models from the collection.
- slice: function(begin, end) {
- return this.models.slice(begin, end);
- },
-
- // Get a model from the set by id.
- get: function(obj) {
- if (obj == null) return void 0;
- return this._byId[obj.id != null ? obj.id : obj] || this._byCid[obj.cid || obj];
- },
-
- // 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;
+ // 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, or an events map,
+ // to a `callback` function. Passing `"all"` will bind the callback to
+ // all events fired.
+ on: function (name, callback, context) {
+ if (!(eventsApi(this, 'on', name, [callback, context]) && callback)) return this;
+ this._events || (this._events = {});
+ var list = this._events[name] || (this._events[name] = []);
+ list.push({ callback: callback, context: context, ctx: context || this });
+ return this;
+ },
+
+ // Bind events to only be triggered a single time. After the first time
+ // the callback is invoked, it will be removed.
+ once: function (name, callback, context) {
+ if (!(eventsApi(this, 'once', name, [callback, context]) && callback)) return this;
+ var self = this;
+ var once = _.once(function () {
+ self.off(name, once);
+ callback.apply(this, arguments);
+ });
+ once._callback = callback;
+ this.on(name, once, context);
+ return this;
+ },
+
+ // Remove one or many callbacks. If `context` is null, removes all
+ // callbacks with that function. If `callback` is null, removes all
+ // callbacks for the event. If `name` is null, removes all bound
+ // callbacks for all events.
+ off: function (name, callback, context) {
+ var list, ev, events, names, i, l, j, k;
+ if (!this._events || !eventsApi(this, 'off', name, [callback, context])) return this;
+ if (!name && !callback && !context) {
+ this._events = {};
+ return this;
+ }
+
+ names = name ? [name] : _.keys(this._events);
+ for (i = 0, l = names.length; i < l; i++) {
+ name = names[i];
+ if (list = this._events[name]) {
+ events = [];
+ if (callback || context) {
+ for (j = 0, k = list.length; j < k; j++) {
+ ev = list[j];
+ if ((callback && callback !== ev.callback &&
+ callback !== ev.callback._callback) ||
+ (context && context !== ev.context)) {
+ events.push(ev);
+ }
+ }
+ }
+ this._events[name] = events;
+ }
+ }
+
+ 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 (name) {
+ if (!this._events) return this;
+ var args = slice.call(arguments, 1);
+ if (!eventsApi(this, 'trigger', name, args)) return this;
+ var events = this._events[name];
+ var allEvents = this._events.all;
+ if (events) triggerEvents(events, args);
+ if (allEvents) triggerEvents(allEvents, arguments);
+ return this;
+ },
+
+ // An inversion-of-control version of `on`. Tell *this* object to listen to
+ // an event in another object ... keeping track of what it's listening to.
+ listenTo: function (obj, name, callback) {
+ var listeners = this._listeners || (this._listeners = {});
+ var id = obj._listenerId || (obj._listenerId = _.uniqueId('l'));
+ listeners[id] = obj;
+ obj.on(name, typeof name === 'object' ? this : callback, this);
+ return this;
+ },
+
+ // Tell this object to stop listening to either specific events ... or
+ // to every object it's currently listening to.
+ stopListening: function (obj, name, callback) {
+ var listeners = this._listeners;
+ if (!listeners) return;
+ if (obj) {
+ obj.off(name, typeof name === 'object' ? this : callback, this);
+ if (!name && !callback) delete listeners[obj._listenerId];
+ } else {
+ if (typeof name === 'object') callback = this;
+ for (var id in listeners) {
+ listeners[id].off(name, callback, this);
+ }
+ this._listeners = {};
+ }
+ return this;
}
- 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) {
- if (!this.comparator) {
- throw new Error('Cannot sort a set without a comparator');
- }
-
- if (_.isString(this.comparator) || this.comparator.length === 1) {
- this.models = this.sortBy(this.comparator, this);
- } else {
- this.models.sort(_.bind(this.comparator, this));
- }
-
- if (!options || !options.silent) this.trigger('sort', this, options);
- return this;
- },
-
- // Pluck an attribute from each model in the collection.
- pluck: function(attr) {
- return _.invoke(this.models, 'get', attr);
- },
-
- // Smartly update a collection with a change set of models, adding,
- // removing, and merging as necessary.
- update: function(models, options) {
- var model, i, l, existing;
- var add = [], remove = [], modelMap = {};
- var idAttr = this.model.prototype.idAttribute;
- options = _.extend({add: true, merge: true, remove: true}, options);
- if (options.parse) models = this.parse(models);
-
- // Allow a single model (or no argument) to be passed.
- if (!_.isArray(models)) models = models ? [models] : [];
-
- // Proxy to `add` for this case, no need to iterate...
- if (options.add && !options.remove) return this.add(models, options);
-
- // Determine which models to add and merge, and which to remove.
- for (i = 0, l = models.length; i < l; i++) {
- model = models[i];
- existing = this.get(model.id || model.cid || model[idAttr]);
- if (options.remove && existing) modelMap[existing.cid] = true;
- if ((options.add && !existing) || (options.merge && existing)) {
- add.push(model);
+ };
+
+ // Aliases for backwards compatibility.
+ Events.bind = Events.on;
+ Events.unbind = Events.off;
+
+ // Allow the `Backbone` object to serve as a global event bus, for folks who
+ // want global "pubsub" in a convenient place.
+ _.extend(Backbone, Events);
+
+ // 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;
+ var attrs = attributes || {};
+ this.cid = _.uniqueId('c');
+ this.attributes = {};
+ if (options && options.collection) this.collection = options.collection;
+ if (options && options.parse) attrs = this.parse(attrs, options) || {};
+ if (defaults = _.result(this, 'defaults')) {
+ attrs = _.defaults({}, attrs, defaults);
}
- }
- if (options.remove) {
- for (i = 0, l = this.models.length; i < l; i++) {
- model = this.models[i];
- if (!modelMap[model.cid]) remove.push(model);
+ this.set(attrs, options);
+ this.changed = {};
+ 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,
+
+ // 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);
+ },
+
+ // Proxy `Backbone.sync` by default.
+ sync: function () {
+ return Backbone.sync.apply(this, arguments);
+ },
+
+ // Get the value of an attribute.
+ get: function (attr) {
+ return this.attributes[attr];
+ },
+
+ // Get the HTML-escaped value of an attribute.
+ escape: function (attr) {
+ return _.escape(this.get(attr));
+ },
+
+ // 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, val, options) {
+ var attr, attrs, unset, changes, silent, changing, prev, current;
+ if (key == null) return this;
+
+ // Handle both `"key", value` and `{key: value}` -style arguments.
+ if (typeof key === 'object') {
+ attrs = key;
+ options = val;
+ } else {
+ (attrs = {})[key] = val;
+ }
+
+ options || (options = {});
+
+ // Run validation.
+ if (!this._validate(attrs, options)) return false;
+
+ // Extract attributes and options.
+ unset = options.unset;
+ silent = options.silent;
+ changes = [];
+ changing = this._changing;
+ this._changing = true;
+
+ if (!changing) {
+ this._previousAttributes = _.clone(this.attributes);
+ this.changed = {};
+ }
+ current = this.attributes, prev = this._previousAttributes;
+
+ // Check for changes of `id`.
+ if (this.idAttribute in attrs) this.id = attrs[this.idAttribute];
+
+ // For each `set` attribute, update or delete the current value.
+ for (attr in attrs) {
+ val = attrs[attr];
+ if (!_.isEqual(current[attr], val)) changes.push(attr);
+ if (!_.isEqual(prev[attr], val)) {
+ this.changed[attr] = val;
+ } else {
+ delete this.changed[attr];
+ }
+ unset ? delete current[attr] : current[attr] = val;
+ }
+
+ // Trigger all relevant attribute changes.
+ if (!silent) {
+ if (changes.length) this._pending = true;
+ for (var i = 0, l = changes.length; i < l; i++) {
+ this.trigger('change:' + changes[i], this, current[changes[i]], options);
+ }
+ }
+
+ if (changing) return this;
+ if (!silent) {
+ while (this._pending) {
+ this._pending = false;
+ this.trigger('change', this, options);
+ }
+ }
+ this._pending = false;
+ this._changing = false;
+ return this;
+ },
+
+ // 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) {
+ return this.set(attr, void 0, _.extend({}, options, { unset: true }));
+ },
+
+ // Clear all attributes on the model, firing `"change"` unless you choose
+ // to silence it.
+ clear: function (options) {
+ var attrs = {};
+ for (var key in this.attributes) attrs[key] = void 0;
+ return this.set(attrs, _.extend({}, options, { unset: true }));
+ },
+
+ // 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 == null) 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;
+ var old = this._changing ? this._previousAttributes : this.attributes;
+ for (var attr in diff) {
+ if (_.isEqual(old[attr], (val = diff[attr]))) continue;
+ (changed || (changed = {}))[attr] = val;
+ }
+ return changed;
+ },
+
+ // Get the previous value of an attribute, recorded at the time the last
+ // `"change"` event was fired.
+ previous: function (attr) {
+ if (attr == null || !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);
+ },
+
+ // ---------------------------------------------------------------------
+
+ // 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) : {};
+ if (options.parse === void 0) options.parse = true;
+ var success = options.success;
+ options.success = function (model, resp, options) {
+ if (!model.set(model.parse(resp, options), options)) return false;
+ if (success) success(model, resp, options);
+ };
+ return this.sync('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, val, options) {
+ var attrs, success, method, xhr, attributes = this.attributes;
+
+ // Handle both `"key", value` and `{key: value}` -style arguments.
+ if (key == null || typeof key === 'object') {
+ attrs = key;
+ options = val;
+ } else {
+ (attrs = {})[key] = val;
+ }
+
+ // If we're not waiting and attributes exist, save acts as `set(attr).save(null, opts)`.
+ if (attrs && (!options || !options.wait) && !this.set(attrs, options)) return false;
+
+ options = _.extend({ validate: true }, options);
+
+ // Do not persist invalid models.
+ if (!this._validate(attrs, options)) return false;
+
+ // Set temporary attributes if `{wait: true}`.
+ if (attrs && options.wait) {
+ this.attributes = _.extend({}, attributes, attrs);
+ }
+
+ // After a successful server-side save, the client is (optionally)
+ // updated with the server-side state.
+ if (options.parse === void 0) options.parse = true;
+ success = options.success;
+ options.success = function (model, resp, options) {
+ // Ensure attributes are restored during synchronous saves.
+ model.attributes = attributes;
+ var serverAttrs = model.parse(resp, options);
+ if (options.wait) serverAttrs = _.extend(attrs || {}, serverAttrs);
+ if (_.isObject(serverAttrs) && !model.set(serverAttrs, options)) {
+ return false;
+ }
+ if (success) success(model, resp, options);
+ };
+
+ // Finish configuring and sending the Ajax request.
+ method = this.isNew() ? 'create' : (options.patch ? 'patch' : 'update');
+ if (method === 'patch') options.attrs = attrs;
+ xhr = this.sync(method, this, options);
+
+ // Restore attributes.
+ if (attrs && options.wait) this.attributes = attributes;
+
+ 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 destroy = function () {
+ model.trigger('destroy', model, model.collection, options);
+ };
+
+ options.success = function (model, resp, options) {
+ if (options.wait || model.isNew()) destroy();
+ if (success) success(model, resp, options);
+ };
+
+ if (this.isNew()) {
+ options.success(this, null, options);
+ return false;
+ }
+
+ var xhr = this.sync('delete', this, options);
+ if (!options.wait) destroy();
+ 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 = _.result(this, 'urlRoot') || _.result(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, options) {
+ 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;
+ },
+
+ // Check if the model is currently in a valid state.
+ isValid: function (options) {
+ return !this.validate || !this.validate(this.attributes, options);
+ },
+
+ // Run validation against the next complete set of model attributes,
+ // returning `true` if all is well. Otherwise, fire a general
+ // `"error"` event and call the error callback, if specified.
+ _validate: function (attrs, options) {
+ if (!options.validate || !this.validate) return true;
+ attrs = _.extend({}, this.attributes, attrs);
+ var error = this.validationError = this.validate(attrs, options) || null;
+ if (!error) return true;
+ this.trigger('invalid', this, error, options || {});
+ return false;
}
- }
-
- // Remove models (if applicable) before we add and merge the rest.
- if (remove.length) this.remove(remove, options);
- if (add.length) this.add(add, options);
- return this;
- },
-
- // 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) {
- options || (options = {});
- if (options.parse) models = this.parse(models);
- for (var i = 0, l = this.models.length; i < l; i++) {
- this._removeReference(this.models[i]);
- }
- options.previousModels = this.models;
- this._reset();
- if (models) 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 === void 0) options.parse = true;
- var collection = this;
- var success = options.success;
- options.success = function(resp, status, xhr) {
- var method = options.update ? 'update' : 'reset';
- collection[method](resp, options);
- if (success) success(collection, resp, options);
- };
- return this.sync('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 collection = this;
- options = options ? _.clone(options) : {};
- model = this._prepareModel(model, options);
- if (!model) return false;
- if (!options.wait) collection.add(model, options);
- var success = options.success;
- options.success = function(model, resp, options) {
- if (options.wait) collection.add(model, options);
- if (success) success(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) {
- return resp;
- },
-
- // Create a new collection with an identical list of models as this one.
- clone: function() {
- return new this.constructor(this.models);
- },
-
- // 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() {
- this.length = 0;
- this.models = [];
- this._byId = {};
- this._byCid = {};
- },
-
- // Prepare a model or hash of attributes to be added to this collection.
- _prepareModel: function(attrs, options) {
- if (attrs instanceof Model) {
- if (!attrs.collection) attrs.collection = this;
- return attrs;
- }
- options || (options = {});
- options.collection = this;
- var model = new this.model(attrs, options);
- if (!model._validate(attrs, options)) return false;
- 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)];
- if (model.id != null) 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', 'collect', 'reduce', 'foldl',
- 'inject', 'reduceRight', 'foldr', 'find', 'detect', 'filter', 'select',
- 'reject', 'every', 'all', 'some', 'any', 'include', 'contains', 'invoke',
- 'max', 'min', 'sortedIndex', 'toArray', 'size', 'first', 'head', 'take',
- 'initial', 'rest', 'tail', 'last', 'without', 'indexOf', 'shuffle',
- 'lastIndexOf', 'isEmpty'];
-
- // Mix in each Underscore method as a proxy to `Collection#models`.
- _.each(methods, function(method) {
- Collection.prototype[method] = function() {
- var args = slice.call(arguments);
- args.unshift(this.models);
- return _[method].apply(_, args);
- };
- });
-
- // Underscore methods that take a property name as an argument.
- var attributeMethods = ['groupBy', 'countBy', 'sortBy'];
-
- // Use attributes instead of properties.
- _.each(attributeMethods, function(method) {
- Collection.prototype[method] = function(value, context) {
- var iterator = _.isFunction(value) ? value : function(model) {
- return model.get(value);
- };
- return _[method](this.models, iterator, context);
+ });
+
+ // 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 !== void 0) this.comparator = options.comparator;
+ this.models = [];
+ this._reset();
+ this.initialize.apply(this, arguments);
+ if (models) this.reset(models, _.extend({ silent: true }, options));
};
- });
-
- // 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 optionalParam = /\((.*?)\)/g;
- var namedParam = /:\w+/g;
- var splatParam = /\*\w+/g;
- var escapeRegExp = /[\-{}\[\]+?.,\\\^$|#\s]/g;
-
- // Set up all inheritable **Backbone.Router** properties and methods.
- _.extend(Router.prototype, Events, {
-
- // Initialize is an empty function by default. Override it with your own
- // initialization logic.
- initialize: function(){},
-
- // Manually bind a single named route to a callback. For example:
- //
- // this.route('search/:query/p:num', 'search', function(query, num) {
- // ...
- // });
- //
- route: function(route, name, callback) {
- if (!_.isRegExp(route)) route = this._routeToRegExp(route);
- if (!callback) callback = this[name];
- Backbone.history.route(route, _.bind(function(fragment) {
- var args = this._extractParameters(route, fragment);
- callback && callback.apply(this, args);
- this.trigger.apply(this, ['route:' + name].concat(args));
- Backbone.history.trigger('route', this, name, args);
- }, this));
- return this;
- },
-
- // Simple proxy to `Backbone.history` to save a fragment into the history.
- navigate: function(fragment, options) {
- Backbone.history.navigate(fragment, options);
- return this;
- },
-
- // Bind all defined routes to `Backbone.history`. We have to reverse the
- // order of the routes here to support behavior where the most general
- // routes can be defined at the bottom of the route map.
- _bindRoutes: function() {
- if (!this.routes) return;
- var route, routes = _.keys(this.routes);
- while ((route = routes.pop()) != null) {
- this.route(route, this.routes[route]);
- }
- },
-
- // Convert a route string into a regular expression, suitable for matching
- // against the current location hash.
- _routeToRegExp: function(route) {
- route = route.replace(escapeRegExp, '\\$&')
- .replace(optionalParam, '(?:$1)?')
- .replace(namedParam, '([^\/]+)')
- .replace(splatParam, '(.*?)');
- return new RegExp('^' + route + '$');
- },
-
- // 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);
- }
- });
+ // 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); });
+ },
+
+ // Proxy `Backbone.sync` by default.
+ sync: function () {
+ return Backbone.sync.apply(this, arguments);
+ },
+
+ // Add a model, or list of models to the set.
+ add: function (models, options) {
+ models = _.isArray(models) ? models.slice() : [models];
+ options || (options = {});
+ var i, l, model, attrs, existing, doSort, add, at, sort, sortAttr;
+ add = [];
+ at = options.at;
+ sort = this.comparator && (at == null) && options.sort != false;
+ sortAttr = _.isString(this.comparator) ? this.comparator : null;
+
+ // Turn bare objects into model references, and prevent invalid models
+ // from being added.
+ for (i = 0, l = models.length; i < l; i++) {
+ if (!(model = this._prepareModel(attrs = models[i], options))) {
+ this.trigger('invalid', this, attrs, options);
+ continue;
+ }
+
+ // If a duplicate is found, prevent it from being added and
+ // optionally merge it into the existing model.
+ if (existing = this.get(model)) {
+ if (options.merge) {
+ existing.set(attrs === model ? model.attributes : attrs, options);
+ if (sort && !doSort && existing.hasChanged(sortAttr)) doSort = true;
+ }
+ continue;
+ }
+
+ // This is a new model, push it to the `add` list.
+ add.push(model);
+
+ // Listen to added models' events, and index models for lookup by
+ // `id` and by `cid`.
+ model.on('all', this._onModelEvent, this);
+ this._byId[model.cid] = model;
+ if (model.id != null) this._byId[model.id] = model;
+ }
+
+ // See if sorting is needed, update `length` and splice in new models.
+ if (add.length) {
+ if (sort) doSort = true;
+ this.length += add.length;
+ if (at != null) {
+ splice.apply(this.models, [at, 0].concat(add));
+ } else {
+ push.apply(this.models, add);
+ }
+ }
- // Backbone.History
- // ----------------
+ // Silently sort the collection if appropriate.
+ if (doSort) this.sort({ silent: true });
- // 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');
+ if (options.silent) return this;
- // Ensure that `History` can be used outside of the browser.
- if (typeof window !== 'undefined') {
- this.location = window.location;
- this.history = window.history;
- }
- };
+ // Trigger `add` events.
+ for (i = 0, l = add.length; i < l; i++) {
+ (model = add[i]).trigger('add', model, this, options);
+ }
+
+ // Trigger `sort` if the collection was sorted.
+ if (doSort) this.trigger('sort', this, options);
+
+ return this;
+ },
+
+ // Remove a model, or a list of models from the set.
+ remove: function (models, options) {
+ models = _.isArray(models) ? models.slice() : [models];
+ options || (options = {});
+ var i, l, index, model;
+ for (i = 0, l = models.length; i < l; i++) {
+ model = this.get(models[i]);
+ if (!model) continue;
+ delete this._byId[model.id];
+ delete this._byId[model.cid];
+ index = this.indexOf(model);
+ this.models.splice(index, 1);
+ this.length--;
+ if (!options.silent) {
+ options.index = index;
+ model.trigger('remove', model, this, options);
+ }
+ this._removeReference(model);
+ }
+ return this;
+ },
+
+ // Add a model to the end of the collection.
+ push: function (model, options) {
+ model = this._prepareModel(model, options);
+ this.add(model, _.extend({ at: this.length }, 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;
+ },
+
+ // Slice out a sub-array of models from the collection.
+ slice: function (begin, end) {
+ return this.models.slice(begin, end);
+ },
+
+ // Get a model from the set by id.
+ get: function (obj) {
+ if (obj == null) return void 0;
+ this._idAttr || (this._idAttr = this.model.prototype.idAttribute);
+ return this._byId[obj.id || obj.cid || obj[this._idAttr] || obj];
+ },
+
+ // 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) {
+ if (!this.comparator) {
+ throw new Error('Cannot sort a set without a comparator');
+ }
+ options || (options = {});
- // Cached regex for stripping a leading hash/slash and trailing space.
- var routeStripper = /^[#\/]|\s+$/g;
+ // Run sort based on type of `comparator`.
+ if (_.isString(this.comparator) || this.comparator.length === 1) {
+ this.models = this.sortBy(this.comparator, this);
+ } else {
+ this.models.sort(_.bind(this.comparator, this));
+ }
- // Cached regex for stripping leading and trailing slashes.
- var rootStripper = /^\/+|\/+$/g;
+ if (!options.silent) this.trigger('sort', this, options);
+ return this;
+ },
+
+ // Pluck an attribute from each model in the collection.
+ pluck: function (attr) {
+ return _.invoke(this.models, 'get', attr);
+ },
+
+ // Smartly update a collection with a change set of models, adding,
+ // removing, and merging as necessary.
+ update: function (models, options) {
+ options = _.extend({ add: true, merge: true, remove: true }, options);
+ if (options.parse) models = this.parse(models, options);
+ var model, i, l, existing;
+ var add = [], remove = [], modelMap = {};
+
+ // Allow a single model (or no argument) to be passed.
+ if (!_.isArray(models)) models = models ? [models] : [];
+
+ // Proxy to `add` for this case, no need to iterate...
+ if (options.add && !options.remove) return this.add(models, options);
+
+ // Determine which models to add and merge, and which to remove.
+ for (i = 0, l = models.length; i < l; i++) {
+ model = models[i];
+ existing = this.get(model);
+ if (options.remove && existing) modelMap[existing.cid] = true;
+ if ((options.add && !existing) || (options.merge && existing)) {
+ add.push(model);
+ }
+ }
+ if (options.remove) {
+ for (i = 0, l = this.models.length; i < l; i++) {
+ model = this.models[i];
+ if (!modelMap[model.cid]) remove.push(model);
+ }
+ }
- // Cached regex for detecting MSIE.
- var isExplorer = /msie [\w.]+/;
+ // Remove models (if applicable) before we add and merge the rest.
+ if (remove.length) this.remove(remove, options);
+ if (add.length) this.add(add, options);
+ return this;
+ },
+
+ // 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) {
+ options || (options = {});
+ if (options.parse) models = this.parse(models, options);
+ for (var i = 0, l = this.models.length; i < l; i++) {
+ this._removeReference(this.models[i]);
+ }
+ options.previousModels = this.models.slice();
+ this._reset();
+ if (models) 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 `update: true` is passed, the response
+ // data will be passed through the `update` method instead of `reset`.
+ fetch: function (options) {
+ options = options ? _.clone(options) : {};
+ if (options.parse === void 0) options.parse = true;
+ var success = options.success;
+ options.success = function (collection, resp, options) {
+ var method = options.update ? 'update' : 'reset';
+ collection[method](resp, options);
+ if (success) success(collection, resp, options);
+ };
+ return this.sync('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) {
+ options = options ? _.clone(options) : {};
+ if (!(model = this._prepareModel(model, options))) return false;
+ if (!options.wait) this.add(model, options);
+ var collection = this;
+ var success = options.success;
+ options.success = function (model, resp, options) {
+ if (options.wait) collection.add(model, options);
+ if (success) success(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, options) {
+ return resp;
+ },
+
+ // Create a new collection with an identical list of models as this one.
+ clone: function () {
+ return new this.constructor(this.models);
+ },
+
+ // Reset all internal state. Called when the collection is reset.
+ _reset: function () {
+ this.length = 0;
+ this.models.length = 0;
+ this._byId = {};
+ },
+
+ // Prepare a model or hash of attributes to be added to this collection.
+ _prepareModel: function (attrs, options) {
+ if (attrs instanceof Model) {
+ if (!attrs.collection) attrs.collection = this;
+ return attrs;
+ }
+ options || (options = {});
+ options.collection = this;
+ var model = new this.model(attrs, options);
+ if (!model._validate(attrs, options)) return false;
+ 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)];
+ if (model.id != null) this._byId[model.id] = model;
+ }
+ this.trigger.apply(this, arguments);
+ },
+
+ sortedIndex: function (model, value, context) {
+ value || (value = this.comparator);
+ var iterator = _.isFunction(value) ? value : function (model) {
+ return model.get(value);
+ };
+ return _.sortedIndex(this.models, model, iterator, context);
+ }
- // Cached regex for removing a trailing slash.
- var trailingSlash = /\/$/;
+ });
- // Has the history handling already been started?
- History.started = false;
+ // Underscore methods that we want to implement on the Collection.
+ var methods = ['forEach', 'each', 'map', 'collect', 'reduce', 'foldl',
+ 'inject', 'reduceRight', 'foldr', 'find', 'detect', 'filter', 'select',
+ 'reject', 'every', 'all', 'some', 'any', 'include', 'contains', 'invoke',
+ 'max', 'min', 'toArray', 'size', 'first', 'head', 'take', 'initial', 'rest',
+ 'tail', 'drop', 'last', 'without', 'indexOf', 'shuffle', 'lastIndexOf',
+ 'isEmpty', 'chain'];
+
+ // Mix in each Underscore method as a proxy to `Collection#models`.
+ _.each(methods, function (method) {
+ Collection.prototype[method] = function () {
+ var args = slice.call(arguments);
+ args.unshift(this.models);
+ return _[method].apply(_, args);
+ };
+ });
- // Set up all inheritable **Backbone.History** properties and methods.
- _.extend(History.prototype, Events, {
+ // Underscore methods that take a property name as an argument.
+ var attributeMethods = ['groupBy', 'countBy', 'sortBy'];
+
+ // Use attributes instead of properties.
+ _.each(attributeMethods, function (method) {
+ Collection.prototype[method] = function (value, context) {
+ var iterator = _.isFunction(value) ? value : function (model) {
+ return model.get(value);
+ };
+ return _[method](this.models, iterator, context);
+ };
+ });
- // The default interval to poll for hash changes, if necessary, is
- // twenty times a second.
- interval: 50,
+ // Backbone.Router
+ // ---------------
- // Gets the true hash value. Cannot use location.hash directly due to bug
- // in Firefox where location.hash will always be decoded.
- getHash: function(window) {
- var match = (window || this).location.href.match(/#(.*)$/);
- return match ? match[1] : '';
- },
+ // 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);
+ };
- // 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 || !this._wantsHashChange || forcePushState) {
- fragment = this.location.pathname;
- var root = this.root.replace(trailingSlash, '');
- if (!fragment.indexOf(root)) fragment = fragment.substr(root.length);
- } else {
- fragment = this.getHash();
+ // Cached regular expressions for matching named param parts and splatted
+ // parts of route strings.
+ var optionalParam = /\((.*?)\)/g;
+ var namedParam = /(\(\?)?:\w+/g;
+ var splatParam = /\*\w+/g;
+ var escapeRegExp = /[\-{}\[\]+?.,\\\^$|#\s]/g;
+
+ // Set up all inheritable **Backbone.Router** properties and methods.
+ _.extend(Router.prototype, Events, {
+
+ // Initialize is an empty function by default. Override it with your own
+ // initialization logic.
+ initialize: function () { },
+
+ // Manually bind a single named route to a callback. For example:
+ //
+ // this.route('search/:query/p:num', 'search', function(query, num) {
+ // ...
+ // });
+ //
+ route: function (route, name, callback) {
+ if (!_.isRegExp(route)) route = this._routeToRegExp(route);
+ if (!callback) callback = this[name];
+ Backbone.history.route(route, _.bind(function (fragment) {
+ var args = this._extractParameters(route, fragment);
+ callback && callback.apply(this, args);
+ this.trigger.apply(this, ['route:' + name].concat(args));
+ this.trigger('route', name, args);
+ Backbone.history.trigger('route', this, name, args);
+ }, this));
+ return this;
+ },
+
+ // Simple proxy to `Backbone.history` to save a fragment into the history.
+ navigate: function (fragment, options) {
+ Backbone.history.navigate(fragment, options);
+ return this;
+ },
+
+ // Bind all defined routes to `Backbone.history`. We have to reverse the
+ // order of the routes here to support behavior where the most general
+ // routes can be defined at the bottom of the route map.
+ _bindRoutes: function () {
+ if (!this.routes) return;
+ var route, routes = _.keys(this.routes);
+ while ((route = routes.pop()) != null) {
+ this.route(route, this.routes[route]);
+ }
+ },
+
+ // Convert a route string into a regular expression, suitable for matching
+ // against the current location hash.
+ _routeToRegExp: function (route) {
+ route = route.replace(escapeRegExp, '\\$&')
+ .replace(optionalParam, '(?:$1)?')
+ .replace(namedParam, function (match, optional) {
+ return optional ? match : '([^\/]+)';
+ })
+ .replace(splatParam, '(.*?)');
+ return new RegExp('^' + route + '$');
+ },
+
+ // 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);
}
- }
- 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.root = this.options.root;
- this._wantsHashChange = this.options.hashChange !== false;
- this._wantsPushState = !!this.options.pushState;
- this._hasPushState = !!(this.options.pushState && this.history && this.history.pushState);
- var fragment = this.getFragment();
- var docMode = document.documentMode;
- var oldIE = (isExplorer.exec(navigator.userAgent.toLowerCase()) && (!docMode || docMode <= 7));
-
- // Normalize root to always include a leading and trailing slash.
- this.root = ('/' + this.root + '/').replace(rootStripper, '/');
-
- if (oldIE && this._wantsHashChange) {
- this.iframe = Backbone.$('').hide().appendTo('body')[0].contentWindow;
- this.navigate(fragment);
- }
-
- // Depending on whether we're using pushState or hashes, and whether
- // 'onhashchange' is supported, determine how we check the URL state.
- if (this._hasPushState) {
- Backbone.$(window).bind('popstate', this.checkUrl);
- } else if (this._wantsHashChange && ('onhashchange' in window) && !oldIE) {
- Backbone.$(window).bind('hashchange', this.checkUrl);
- } else if (this._wantsHashChange) {
- this._checkUrlInterval = setInterval(this.checkUrl, this.interval);
- }
-
- // Determine if we need to change the base url, for a pushState link
- // opened by a non-pushState browser.
- this.fragment = fragment;
- var loc = this.location;
- var atRoot = loc.pathname.replace(/[^\/]$/, '$&/') === this.root;
-
- // If we've started off with a route from a `pushState`-enabled browser,
- // but we're currently in a browser that doesn't support it...
- if (this._wantsHashChange && this._wantsPushState && !this._hasPushState && !atRoot) {
- this.fragment = this.getFragment(null, true);
- this.location.replace(this.root + this.location.search + '#' + this.fragment);
- // Return immediately as browser will do redirect to new url
- return true;
-
- // Or if we've started out with a hash-based route, but we're currently
- // in a browser where it could be `pushState`-based instead...
- } else if (this._wantsPushState && this._hasPushState && atRoot && loc.hash) {
- this.fragment = this.getHash().replace(routeStripper, '');
- this.history.replaceState({}, document.title, this.root + this.fragment + loc.search);
- }
-
- if (!this.options.silent) return this.loadUrl();
- },
-
- // Disable Backbone.history, perhaps temporarily. Not useful in a real app,
- // but possibly useful for unit testing Routers.
- stop: function() {
- Backbone.$(window).unbind('popstate', this.checkUrl).unbind('hashchange', this.checkUrl);
- clearInterval(this._checkUrlInterval);
- History.started = false;
- },
-
- // Add a route to be tested when the fragment changes. Routes added later
- // may override previous routes.
- route: function(route, callback) {
- this.handlers.unshift({route: route, callback: callback});
- },
-
- // Checks the current URL to see if it has changed, and if it has,
- // calls `loadUrl`, normalizing across the hidden iframe.
- checkUrl: function(e) {
- var current = this.getFragment();
- if (current === this.fragment && this.iframe) {
- current = this.getFragment(this.getHash(this.iframe));
- }
- if (current === this.fragment) return false;
- if (this.iframe) this.navigate(current);
- this.loadUrl() || this.loadUrl(this.getHash());
- },
-
- // Attempt to load the current URL fragment. If a route succeeds with a
- // match, returns `true`. If no defined routes matches the fragment,
- // returns `false`.
- loadUrl: function(fragmentOverride) {
- var fragment = this.fragment = this.getFragment(fragmentOverride);
- var matched = _.any(this.handlers, function(handler) {
- if (handler.route.test(fragment)) {
- handler.callback(fragment);
- return true;
+
+ });
+
+ // 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');
+
+ // Ensure that `History` can be used outside of the browser.
+ if (typeof window !== 'undefined') {
+ this.location = window.location;
+ this.history = window.history;
}
- });
- return matched;
- },
+ };
- // Save a fragment into the hash history, or replace the URL state if the
- // 'replace' option is passed. You are responsible for properly URL-encoding
- // the fragment in advance.
- //
- // The options object can contain `trigger: true` if you wish to have the
- // route callback be fired (not usually desirable), or `replace: true`, if
- // you wish to modify the current URL without adding an entry to the history.
- navigate: function(fragment, options) {
- if (!History.started) return false;
- if (!options || options === true) options = {trigger: options};
- fragment = this.getFragment(fragment || '');
- if (this.fragment === fragment) return;
- this.fragment = fragment;
- var url = this.root + fragment;
-
- // If pushState is available, we use it to set the fragment as a real URL.
- if (this._hasPushState) {
- this.history[options.replace ? 'replaceState' : 'pushState']({}, document.title, url);
-
- // If hash changes haven't been explicitly disabled, update the hash
- // fragment to store history.
- } else if (this._wantsHashChange) {
- this._updateHash(this.location, fragment, options.replace);
- if (this.iframe && (fragment !== this.getFragment(this.getHash(this.iframe)))) {
- // Opening and closing the iframe tricks IE7 and earlier to push a
- // history entry on hash-tag change. When replace is true, we don't
- // want this.
- if(!options.replace) this.iframe.document.open().close();
- this._updateHash(this.iframe.location, fragment, options.replace);
+ // Cached regex for stripping a leading hash/slash and trailing space.
+ var routeStripper = /^[#\/]|\s+$/g;
+
+ // Cached regex for stripping leading and trailing slashes.
+ var rootStripper = /^\/+|\/+$/g;
+
+ // Cached regex for detecting MSIE.
+ var isExplorer = /msie [\w.]+/;
+
+ // Cached regex for removing a trailing slash.
+ var trailingSlash = /\/$/;
+
+ // Has the history handling already been started?
+ History.started = false;
+
+ // Set up all inheritable **Backbone.History** properties and methods.
+ _.extend(History.prototype, Events, {
+
+ // The default interval to poll for hash changes, if necessary, is
+ // twenty times a second.
+ interval: 50,
+
+ // Gets the true hash value. Cannot use location.hash directly due to bug
+ // in Firefox where location.hash will always be decoded.
+ getHash: function (window) {
+ var match = (window || this).location.href.match(/#(.*)$/);
+ 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 || !this._wantsHashChange || forcePushState) {
+ fragment = this.location.pathname;
+ var root = this.root.replace(trailingSlash, '');
+ if (!fragment.indexOf(root)) fragment = fragment.substr(root.length);
+ } else {
+ fragment = this.getHash();
+ }
+ }
+ return fragment.replace(routeStripper, '');
+ },
+
+ // Start 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.root = this.options.root;
+ this._wantsHashChange = this.options.hashChange !== false;
+ this._wantsPushState = !!this.options.pushState;
+ this._hasPushState = !!(this.options.pushState && this.history && this.history.pushState);
+ var fragment = this.getFragment();
+ var docMode = document.documentMode;
+ var oldIE = (isExplorer.exec(navigator.userAgent.toLowerCase()) && (!docMode || docMode <= 7));
+
+ // Normalize root to always include a leading and trailing slash.
+ this.root = ('/' + this.root + '/').replace(rootStripper, '/');
+
+ if (oldIE && this._wantsHashChange) {
+ this.iframe = Backbone.$('').hide().appendTo('body')[0].contentWindow;
+ this.navigate(fragment);
+ }
+
+ // Depending on whether we're using pushState or hashes, and whether
+ // 'onhashchange' is supported, determine how we check the URL state.
+ if (this._hasPushState) {
+ Backbone.$(window).on('popstate', this.checkUrl);
+ } else if (this._wantsHashChange && ('onhashchange' in window) && !oldIE) {
+ Backbone.$(window).on('hashchange', this.checkUrl);
+ } else if (this._wantsHashChange) {
+ this._checkUrlInterval = setInterval(this.checkUrl, this.interval);
+ }
+
+ // Determine if we need to change the base url, for a pushState link
+ // opened by a non-pushState browser.
+ this.fragment = fragment;
+ var loc = this.location;
+ var atRoot = loc.pathname.replace(/[^\/]$/, '$&/') === this.root;
+
+ // If we've started off with a route from a `pushState`-enabled browser,
+ // but we're currently in a browser that doesn't support it...
+ if (this._wantsHashChange && this._wantsPushState && !this._hasPushState && !atRoot) {
+ this.fragment = this.getFragment(null, true);
+ this.location.replace(this.root + this.location.search + '#' + this.fragment);
+ // Return immediately as browser will do redirect to new url
+ return true;
+
+ // Or if we've started out with a hash-based route, but we're currently
+ // in a browser where it could be `pushState`-based instead...
+ } else if (this._wantsPushState && this._hasPushState && atRoot && loc.hash) {
+ this.fragment = this.getHash().replace(routeStripper, '');
+ this.history.replaceState({}, document.title, this.root + this.fragment + loc.search);
+ }
+
+ if (!this.options.silent) return this.loadUrl();
+ },
+
+ // Disable Backbone.history, perhaps temporarily. Not useful in a real app,
+ // but possibly useful for unit testing Routers.
+ stop: function () {
+ Backbone.$(window).off('popstate', this.checkUrl).off('hashchange', this.checkUrl);
+ clearInterval(this._checkUrlInterval);
+ History.started = false;
+ },
+
+ // Add a route to be tested when the fragment changes. Routes added later
+ // may override previous routes.
+ route: function (route, callback) {
+ this.handlers.unshift({ route: route, callback: callback });
+ },
+
+ // Checks the current URL to see if it has changed, and if it has,
+ // calls `loadUrl`, normalizing across the hidden iframe.
+ checkUrl: function (e) {
+ var current = this.getFragment();
+ if (current === this.fragment && this.iframe) {
+ current = this.getFragment(this.getHash(this.iframe));
+ }
+ if (current === this.fragment) return false;
+ if (this.iframe) this.navigate(current);
+ this.loadUrl() || this.loadUrl(this.getHash());
+ },
+
+ // Attempt to load the current URL fragment. If a route succeeds with a
+ // match, returns `true`. If no defined routes matches the fragment,
+ // returns `false`.
+ loadUrl: function (fragmentOverride) {
+ var fragment = this.fragment = this.getFragment(fragmentOverride);
+ var matched = _.any(this.handlers, function (handler) {
+ if (handler.route.test(fragment)) {
+ handler.callback(fragment);
+ return true;
+ }
+ });
+ return matched;
+ },
+
+ // Save a fragment into the hash history, or replace the URL state if the
+ // 'replace' option is passed. You are responsible for properly URL-encoding
+ // the fragment in advance.
+ //
+ // The options object can contain `trigger: true` if you wish to have the
+ // route callback be fired (not usually desirable), or `replace: true`, if
+ // you wish to modify the current URL without adding an entry to the history.
+ navigate: function (fragment, options) {
+ if (!History.started) return false;
+ if (!options || options === true) options = { trigger: options };
+ fragment = this.getFragment(fragment || '');
+ if (this.fragment === fragment) return;
+ this.fragment = fragment;
+ var url = this.root + fragment;
+
+ // If pushState is available, we use it to set the fragment as a real URL.
+ if (this._hasPushState) {
+ this.history[options.replace ? 'replaceState' : 'pushState']({}, document.title, url);
+
+ // If hash changes haven't been explicitly disabled, update the hash
+ // fragment to store history.
+ } else if (this._wantsHashChange) {
+ this._updateHash(this.location, fragment, options.replace);
+ if (this.iframe && (fragment !== this.getFragment(this.getHash(this.iframe)))) {
+ // Opening and closing the iframe tricks IE7 and earlier to push a
+ // history entry on hash-tag change. When replace is true, we don't
+ // want this.
+ if (!options.replace) this.iframe.document.open().close();
+ this._updateHash(this.iframe.location, fragment, options.replace);
+ }
+
+ // If you've told us that you explicitly don't want fallback hashchange-
+ // based history, then `navigate` becomes a page refresh.
+ } else {
+ return this.location.assign(url);
+ }
+ if (options.trigger) this.loadUrl(fragment);
+ },
+
+ // Update the hash location, either replacing the current entry, or adding
+ // a new one to the browser history.
+ _updateHash: function (location, fragment, replace) {
+ if (replace) {
+ var href = location.href.replace(/(javascript:|#).*$/, '');
+ location.replace(href + '#' + fragment);
+ } else {
+ // Some browsers require that `hash` contains a leading #.
+ location.hash = '#' + fragment;
+ }
}
- // If you've told us that you explicitly don't want fallback hashchange-
- // based history, then `navigate` becomes a page refresh.
- } else {
- return this.location.assign(url);
- }
- if (options.trigger) this.loadUrl(fragment);
- },
-
- // Update the hash location, either replacing the current entry, or adding
- // a new one to the browser history.
- _updateHash: function(location, fragment, replace) {
- if (replace) {
- var href = location.href.replace(/(javascript:|#).*$/, '');
- location.replace(href + '#' + fragment);
- } else {
- // Some browsers require that `hash` contains a leading #.
- location.hash = '#' + fragment;
- }
- }
+ });
- });
-
- // Create the default Backbone.history.
- Backbone.history = new History;
-
- // Backbone.View
- // -------------
-
- // Creating a Backbone.View creates its initial element outside of the DOM,
- // if an existing element is not provided...
- var View = Backbone.View = function(options) {
- this.cid = _.uniqueId('view');
- this._configure(options || {});
- this._ensureElement();
- this.initialize.apply(this, arguments);
- this.delegateEvents();
- };
-
- // Cached regex to split keys for `delegate`.
- var delegateEventSplitter = /^(\S+)\s*(.*)$/;
-
- // List of view options to be merged as properties.
- var viewOptions = ['model', 'collection', 'el', 'id', 'attributes', 'className', 'tagName', 'events'];
-
- // Set up all inheritable **Backbone.View** properties and methods.
- _.extend(View.prototype, Events, {
-
- // The default `tagName` of a View's element is `"div"`.
- tagName: 'div',
-
- // jQuery delegate for element lookup, scoped to DOM elements within the
- // current view. This should be prefered to global lookups where possible.
- $: function(selector) {
- return this.$el.find(selector);
- },
-
- // 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 by taking the element out of the DOM, and removing any
- // applicable Backbone.Events listeners.
- remove: function() {
- this.$el.remove();
- this.stopListening();
- return this;
- },
-
- // For small amounts of DOM Elements, where a full-blown template isn't
- // needed, use **make** to manufacture elements, one at a time.
- //
- // var el = this.make('li', {'class': 'row'}, this.model.escape('title'));
- //
- make: function(tagName, attributes, content) {
- var el = document.createElement(tagName);
- if (attributes) Backbone.$(el).attr(attributes);
- if (content != null) Backbone.$(el).html(content);
- return el;
- },
-
- // Change the view's element (`this.el` property), including event
- // re-delegation.
- setElement: function(element, delegate) {
- if (this.$el) this.undelegateEvents();
- this.$el = element instanceof Backbone.$ ? element : Backbone.$(element);
- this.el = this.$el[0];
- if (delegate !== false) this.delegateEvents();
- return this;
- },
-
- // Set callbacks, where `this.events` is a hash of
- //
- // *{"event selector": "callback"}*
- //
- // {
- // 'mousedown .title': 'edit',
- // 'click .button': 'save'
- // 'click .open': function(e) { ... }
- // }
- //
- // pairs. Callbacks will be bound to the view, with `this` set properly.
- // 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 = _.result(this, 'events')))) return;
- this.undelegateEvents();
- for (var key in events) {
- var method = events[key];
- if (!_.isFunction(method)) method = this[events[key]];
- if (!method) throw new Error('Method "' + events[key] + '" does not exist');
- var match = key.match(delegateEventSplitter);
- var eventName = match[1], selector = match[2];
- method = _.bind(method, this);
- eventName += '.delegateEvents' + this.cid;
- if (selector === '') {
- this.$el.bind(eventName, method);
- } else {
- this.$el.delegate(selector, eventName, method);
+ // Create the default Backbone.history.
+ Backbone.history = new History;
+
+ // Backbone.View
+ // -------------
+
+ // Creating a Backbone.View creates its initial element outside of the DOM,
+ // if an existing element is not provided...
+ var View = Backbone.View = function (options) {
+ this.cid = _.uniqueId('view');
+ this._configure(options || {});
+ this._ensureElement();
+ this.initialize.apply(this, arguments);
+ this.delegateEvents();
+ };
+
+ // Cached regex to split keys for `delegate`.
+ var delegateEventSplitter = /^(\S+)\s*(.*)$/;
+
+ // List of view options to be merged as properties.
+ var viewOptions = ['model', 'collection', 'el', 'id', 'attributes', 'className', 'tagName', 'events'];
+
+ // Set up all inheritable **Backbone.View** properties and methods.
+ _.extend(View.prototype, Events, {
+
+ // The default `tagName` of a View's element is `"div"`.
+ tagName: 'div',
+
+ // jQuery delegate for element lookup, scoped to DOM elements within the
+ // current view. This should be prefered to global lookups where possible.
+ $: function (selector) {
+ return this.$el.find(selector);
+ },
+
+ // 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 by taking the element out of the DOM, and removing any
+ // applicable Backbone.Events listeners.
+ remove: function () {
+ this.$el.remove();
+ this.stopListening();
+ return this;
+ },
+
+ // Change the view's element (`this.el` property), including event
+ // re-delegation.
+ setElement: function (element, delegate) {
+ if (this.$el) this.undelegateEvents();
+ this.$el = element instanceof Backbone.$ ? element : Backbone.$(element);
+ this.el = this.$el[0];
+ if (delegate !== false) this.delegateEvents();
+ return this;
+ },
+
+ // Set callbacks, where `this.events` is a hash of
+ //
+ // *{"event selector": "callback"}*
+ //
+ // {
+ // 'mousedown .title': 'edit',
+ // 'click .button': 'save'
+ // 'click .open': function(e) { ... }
+ // }
+ //
+ // pairs. Callbacks will be bound to the view, with `this` set properly.
+ // 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 = _.result(this, 'events')))) return;
+ this.undelegateEvents();
+ for (var key in events) {
+ var method = events[key];
+ if (!_.isFunction(method)) method = this[events[key]];
+ if (!method) throw new Error('Method "' + events[key] + '" does not exist');
+ var match = key.match(delegateEventSplitter);
+ var eventName = match[1], selector = match[2];
+ method = _.bind(method, this);
+ eventName += '.delegateEvents' + this.cid;
+ if (selector === '') {
+ this.$el.on(eventName, method);
+ } else {
+ this.$el.on(eventName, selector, method);
+ }
+ }
+ },
+
+ // Clears all callbacks previously bound to the view with `delegateEvents`.
+ // You usually don't need to use this, but may wish to if you have multiple
+ // Backbone views attached to the same DOM element.
+ undelegateEvents: function () {
+ this.$el.off('.delegateEvents' + this.cid);
+ },
+
+ // Performs the initial configuration of a View with a set of options.
+ // Keys with special meaning *(model, collection, id, className)*, are
+ // attached directly to the view.
+ _configure: function (options) {
+ if (this.options) options = _.extend({}, _.result(this, 'options'), options);
+ _.extend(this, _.pick(options, viewOptions));
+ this.options = options;
+ },
+
+ // Ensure that the View has a DOM element to render into.
+ // If `this.el` is a string, pass it through `$()`, take the first
+ // matching element, and re-assign it to `el`. Otherwise, create
+ // an element from the `id`, `className` and `tagName` properties.
+ _ensureElement: function () {
+ if (!this.el) {
+ var attrs = _.extend({}, _.result(this, 'attributes'));
+ if (this.id) attrs.id = _.result(this, 'id');
+ if (this.className) attrs['class'] = _.result(this, 'className');
+ var $el = Backbone.$('<' + _.result(this, 'tagName') + '>').attr(attrs);
+ this.setElement($el, false);
+ } else {
+ this.setElement(_.result(this, 'el'), false);
+ }
}
- }
- },
-
- // Clears all callbacks previously bound to the view with `delegateEvents`.
- // You usually don't need to use this, but may wish to if you have multiple
- // Backbone views attached to the same DOM element.
- undelegateEvents: function() {
- this.$el.unbind('.delegateEvents' + this.cid);
- },
-
- // Performs the initial configuration of a View with a set of options.
- // Keys with special meaning *(model, collection, id, className)*, are
- // attached directly to the view.
- _configure: function(options) {
- if (this.options) options = _.extend({}, _.result(this, 'options'), options);
- _.extend(this, _.pick(options, viewOptions));
- 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` properties.
- _ensureElement: function() {
- if (!this.el) {
- var attrs = _.extend({}, _.result(this, 'attributes'));
- if (this.id) attrs.id = _.result(this, 'id');
- if (this.className) attrs['class'] = _.result(this, 'className');
- this.setElement(this.make(_.result(this, 'tagName'), attrs), false);
- } else {
- this.setElement(_.result(this, 'el'), false);
- }
- }
- });
-
- // Backbone.sync
- // -------------
-
- // Map from CRUD to HTTP for our default `Backbone.sync` implementation.
- var methodMap = {
- 'create': 'POST',
- 'update': 'PUT',
- 'patch': 'PATCH',
- 'delete': 'DELETE',
- 'read': 'GET'
- };
-
- // Override this function to change the manner in which Backbone persists
- // models to the server. You will be passed the type of request, and the
- // model in question. By default, makes a RESTful Ajax request
- // 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 options, unless specified.
- _.defaults(options || (options = {}), {
- emulateHTTP: Backbone.emulateHTTP,
- emulateJSON: Backbone.emulateJSON
});
- // Default JSON-request options.
- var params = {type: type, dataType: 'json'};
+ // Backbone.sync
+ // -------------
- // Ensure that we have a URL.
- if (!options.url) {
- params.url = _.result(model, 'url') || urlError();
- }
+ // Map from CRUD to HTTP for our default `Backbone.sync` implementation.
+ var methodMap = {
+ 'create': 'POST',
+ 'update': 'PUT',
+ 'patch': 'PATCH',
+ 'delete': 'DELETE',
+ 'read': 'GET'
+ };
- // Ensure that we have the appropriate request data.
- if (options.data == null && model && (method === 'create' || method === 'update' || method === 'patch')) {
- params.contentType = 'application/json';
- params.data = JSON.stringify(options.attrs || model.toJSON(options));
- }
+ // Override this function to change the manner in which Backbone persists
+ // models to the server. You will be passed the type of request, and the
+ // model in question. By default, makes a RESTful Ajax request
+ // 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 options, unless specified.
+ _.defaults(options || (options = {}), {
+ emulateHTTP: Backbone.emulateHTTP,
+ emulateJSON: Backbone.emulateJSON
+ });
+
+ // Default JSON-request options.
+ var params = { type: type, dataType: 'json' };
+
+ // Ensure that we have a URL.
+ if (!options.url) {
+ params.url = _.result(model, 'url') || urlError();
+ }
- // For older servers, emulate JSON by encoding the request into an HTML-form.
- if (options.emulateJSON) {
- params.contentType = 'application/x-www-form-urlencoded';
- params.data = params.data ? {model: params.data} : {};
- }
+ // Ensure that we have the appropriate request data.
+ if (options.data == null && model && (method === 'create' || method === 'update' || method === 'patch')) {
+ params.contentType = 'application/json';
+ params.data = JSON.stringify(options.attrs || model.toJSON(options));
+ }
- // For older servers, emulate HTTP by mimicking the HTTP method with `_method`
- // And an `X-HTTP-Method-Override` header.
- if (options.emulateHTTP && (type === 'PUT' || type === 'DELETE' || type === 'PATCH')) {
- params.type = 'POST';
- if (options.emulateJSON) params.data._method = type;
- var beforeSend = options.beforeSend;
- options.beforeSend = function(xhr) {
- xhr.setRequestHeader('X-HTTP-Method-Override', type);
- if (beforeSend) return beforeSend.apply(this, arguments);
- };
- }
+ // For older servers, emulate JSON by encoding the request into an HTML-form.
+ if (options.emulateJSON) {
+ params.contentType = 'application/x-www-form-urlencoded';
+ params.data = params.data ? { model: params.data } : {};
+ }
- // Don't process data on a non-GET request.
- if (params.type !== 'GET' && !options.emulateJSON) {
- params.processData = false;
- }
+ // For older servers, emulate HTTP by mimicking the HTTP method with `_method`
+ // And an `X-HTTP-Method-Override` header.
+ if (options.emulateHTTP && (type === 'PUT' || type === 'DELETE' || type === 'PATCH')) {
+ params.type = 'POST';
+ if (options.emulateJSON) params.data._method = type;
+ var beforeSend = options.beforeSend;
+ options.beforeSend = function (xhr) {
+ xhr.setRequestHeader('X-HTTP-Method-Override', type);
+ if (beforeSend) return beforeSend.apply(this, arguments);
+ };
+ }
- var success = options.success;
- options.success = function(resp, status, xhr) {
- if (success) success(resp, status, xhr);
- model.trigger('sync', model, resp, options);
+ // Don't process data on a non-GET request.
+ if (params.type !== 'GET' && !options.emulateJSON) {
+ params.processData = false;
+ }
+
+ var success = options.success;
+ options.success = function (resp) {
+ if (success) success(model, resp, options);
+ model.trigger('sync', model, resp, options);
+ };
+
+ var error = options.error;
+ options.error = function (xhr) {
+ if (error) error(model, xhr, options);
+ model.trigger('error', model, xhr, options);
+ };
+
+ // Make the request, allowing the user to override any Ajax options.
+ var xhr = options.xhr = Backbone.ajax(_.extend(params, options));
+ model.trigger('request', model, xhr, options);
+ return xhr;
};
- var error = options.error;
- options.error = function(xhr, status, thrown) {
- if (error) error(model, xhr, options);
- model.trigger('error', model, xhr, options);
+ // Set the default implementation of `Backbone.ajax` to proxy through to `$`.
+ Backbone.ajax = function () {
+ return Backbone.$.ajax.apply(Backbone.$, arguments);
};
- // Make the request, allowing the user to override any Ajax options.
- var xhr = Backbone.ajax(_.extend(params, options));
- model.trigger('request', model, xhr, options);
- return xhr;
- };
-
- // Set the default implementation of `Backbone.ajax` to proxy through to `$`.
- Backbone.ajax = function() {
- return Backbone.$.ajax.apply(Backbone.$, arguments);
- };
-
- // Helpers
- // -------
-
- // 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 extend = function(protoProps, staticProps) {
- var parent = this;
- 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 the parent's constructor.
- if (protoProps && _.has(protoProps, 'constructor')) {
- child = protoProps.constructor;
- } else {
- child = function(){ parent.apply(this, arguments); };
- }
+ // Helpers
+ // -------
+
+ // 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 extend = function (protoProps, staticProps) {
+ var parent = this;
+ 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 the parent's constructor.
+ if (protoProps && _.has(protoProps, 'constructor')) {
+ child = protoProps.constructor;
+ } else {
+ child = function () { return parent.apply(this, arguments); };
+ }
- // Add static properties to the constructor function, if supplied.
- _.extend(child, parent, staticProps);
+ // Add static properties to the constructor function, if supplied.
+ _.extend(child, parent, staticProps);
- // Set the prototype chain to inherit from `parent`, without calling
- // `parent`'s constructor function.
- var Surrogate = function(){ this.constructor = child; };
- Surrogate.prototype = parent.prototype;
- child.prototype = new Surrogate;
+ // Set the prototype chain to inherit from `parent`, without calling
+ // `parent`'s constructor function.
+ var Surrogate = function () { this.constructor = child; };
+ Surrogate.prototype = parent.prototype;
+ child.prototype = new Surrogate;
- // Add prototype properties (instance properties) to the subclass,
- // if supplied.
- if (protoProps) _.extend(child.prototype, protoProps);
+ // Add prototype properties (instance properties) to the subclass,
+ // if supplied.
+ if (protoProps) _.extend(child.prototype, protoProps);
- // Set a convenience property in case the parent's prototype is needed
- // later.
- child.__super__ = parent.prototype;
+ // Set a convenience property in case the parent's prototype is needed
+ // later.
+ child.__super__ = parent.prototype;
- return child;
- };
+ return child;
+ };
- // Set up inheritance for the model, collection, router, view and history.
- Model.extend = Collection.extend = Router.extend = View.extend = History.extend = extend;
+ // Set up inheritance for the model, collection, router, view and history.
+ Model.extend = Collection.extend = Router.extend = View.extend = History.extend = extend;
- // 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');
- };
+ // 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');
+ };
-}).call(this);
+}).call(this);
\ No newline at end of file
diff --git a/NzbDrone.Web/_backboneApp/JsLibraries/backbone.marionette.js b/NzbDrone.Web/_backboneApp/JsLibraries/backbone.marionette.js
index ce492751f..94e411888 100644
--- a/NzbDrone.Web/_backboneApp/JsLibraries/backbone.marionette.js
+++ b/NzbDrone.Web/_backboneApp/JsLibraries/backbone.marionette.js
@@ -1,4 +1,4 @@
-// Backbone.Marionette, v1.0.0-rc3
+// Backbone.Marionette, v1.0.0-rc5
// Copyright (c)2013 Derick Bailey, Muted Solutions, LLC.
// Distributed under MIT license
// http://github.com/marionettejs/backbone.marionette
@@ -207,12 +207,12 @@ Backbone.ChildViewContainer = (function (Backbone, _) {
return Container;
})(Backbone, _);
-// Backbone.Wreqr, v0.2.0
-// Copyright (c)2012 Derick Bailey, Muted Solutions, LLC.
+// Backbone.Wreqr, v0.1.1
+// Copyright (c)2013 Derick Bailey, Muted Solutions, LLC.
// Distributed under MIT license
// http://github.com/marionettejs/backbone.wreqr
Backbone.Wreqr = (function (Backbone, Marionette, _) {
- "option strict";
+ "use strict";
var Wreqr = {};
// Handlers
@@ -220,13 +220,12 @@ Backbone.Wreqr = (function (Backbone, Marionette, _) {
// A registry of functions to call, given a name
Wreqr.Handlers = (function (Backbone, _) {
- "option strict";
+ "use strict";
// Constructor
// -----------
var Handlers = function () {
- "use strict";
this._handlers = {};
};
@@ -284,7 +283,7 @@ Backbone.Wreqr = (function (Backbone, Marionette, _) {
// A simple command pattern implementation. Register a command
// handler and execute it.
Wreqr.Commands = (function (Wreqr) {
- "option strict";
+ "use strict";
return Wreqr.Handlers.extend({
execute: function () {
@@ -303,7 +302,7 @@ Backbone.Wreqr = (function (Backbone, Marionette, _) {
// A simple request/response implementation. Register a
// request handler, and return a response from it
Wreqr.RequestResponse = (function (Wreqr) {
- "option strict";
+ "use strict";
return Wreqr.Handlers.extend({
request: function () {
@@ -322,32 +321,16 @@ Backbone.Wreqr = (function (Backbone, Marionette, _) {
// of an application through event-driven architecture.
Wreqr.EventAggregator = (function (Backbone, _) {
+ "use strict";
+ var EA = function () { };
- // Grab a reference to the original listenTo
- var listenTo = Backbone.Events.listenTo;
-
- // Create a version of listenTo that allows contexting binding
- function contextBoundListenTo(obj, evtSource, events, callback, context) {
- context = context || obj;
- return listenTo.call(obj, evtSource, events, _.bind(callback, context));
- }
-
- // Define the EventAggregator
- function EventAggregator() { }
-
- // Mix Backbone.Events in to it
- _.extend(EventAggregator.prototype, Backbone.Events, {
- // Override the listenTo so that we can have a version that
- // correctly binds context
- listenTo: function (evtSource, events, callback, context) {
- return contextBoundListenTo(this, evtSource, events, callback, context);
- }
- });
+ // Copy the `extend` function used by Backbone's classes
+ EA.extend = Backbone.Model.extend;
- // Allow it to be extended
- EventAggregator.extend = Backbone.Model.extend;
+ // Copy the basic Backbone.Events on to the event aggregator
+ _.extend(EA.prototype, Backbone.Events);
- return EventAggregator;
+ return EA;
})(Backbone, _);
@@ -381,7 +364,7 @@ var Marionette = (function (Backbone, _, $) {
if (!target || !optionName) { return; }
var value;
- if (target.options && target.options[optionName]) {
+ if (target.options && (optionName in target.options) && (target.options[optionName] !== undefined)) {
value = target.options[optionName];
} else {
value = target[optionName];
@@ -509,56 +492,6 @@ var Marionette = (function (Backbone, _, $) {
})();
- // addEventBinder
- // --------------
- //
- // Mixes in Backbone.Events to the target object, if it is not present
- // already. Also adjusts the listenTo method to accept a 4th parameter
- // for the callback context.
-
- (function (Backbone, Marionette, _) {
-
- // grab a reference to the original listenTo
- var listenTo = Backbone.Events.listenTo;
-
- // Fix the listenTo method on the target object, allowing the 4th
- // context parameter to be specified
- Marionette.addEventBinder = function (target) {
- // If the target is not already extending Backbone.Events,
- // then extend that on to it first
- if (!target.on && !target.off && !target.listenTo && !target.stopListening) {
- _.extend(target, Backbone.Events);
- }
-
- // Override the built-in listenTo method to make sure we
- // account for context
- target.listenTo = function (evtSource, events, callback, context) {
- context = context || this;
- return listenTo.call(this, evtSource, events, _.bind(callback, context));
- };
- };
-
- })(Backbone, Marionette, _);
-
-
- // Event Aggregator
- // ----------------
- // A pub-sub object that can be used to decouple various parts
- // of an application through event-driven architecture.
- //
- // Extends [Backbone.Wreqr.EventAggregator](https://github.com/marionettejs/backbone.wreqr)
- // and mixes in an EventBinder from [Backbone.EventBinder](https://github.com/marionettejs/backbone.eventbinder).
- Marionette.EventAggregator = Backbone.Wreqr.EventAggregator.extend({
-
- constructor: function () {
- Marionette.addEventBinder(this);
-
- var args = Array.prototype.slice.apply(arguments);
- Backbone.Wreqr.EventAggregator.prototype.constructor.apply(this, args);
- }
-
- });
-
// Marionette.bindEntityEvents & unbindEntityEvents
// ---------------------------
//
@@ -707,8 +640,6 @@ var Marionette = (function (Backbone, _, $) {
this.triggerMethod = Marionette.triggerMethod;
this.options = options || {};
- Marionette.addEventBinder(this);
-
if (_.isFunction(this.initialize)) {
this.initialize(this.options);
}
@@ -737,8 +668,6 @@ var Marionette = (function (Backbone, _, $) {
Marionette.Region = function (options) {
this.options = options || {};
- Marionette.addEventBinder(this);
-
this.el = Marionette.getOption(this, "el");
if (!this.el) {
@@ -953,7 +882,7 @@ var Marionette = (function (Backbone, _, $) {
// and know whether or not it has been loaded
_.extend(Marionette.TemplateCache.prototype, {
- // Internal method to load the template asynchronously.
+ // Internal method to load the template
load: function () {
var that = this;
@@ -970,12 +899,12 @@ var Marionette = (function (Backbone, _, $) {
},
// Load a template from the DOM, by default. Override
- // this method to provide your own template retrieval,
- // such as asynchronous loading from a server.
+ // this method to provide your own template retrieval
+ // For asynchronous loading with AMD/RequireJS, consider
+ // using a template-loader plugin as described here:
+ // https://github.com/marionettejs/backbone.marionette/wiki/Using-marionette-with-requirejs
loadTemplate: function (templateId) {
-
- var templateEl = $(templateId);
- var template = templateEl.html();
+ var template = $(templateId).html();
if (!template || template.length === 0) {
var msg = "Could not find template: '" + templateId + "'";
@@ -984,7 +913,6 @@ var Marionette = (function (Backbone, _, $) {
throw err;
}
- templateEl.remove();
return template;
},
@@ -1026,7 +954,6 @@ var Marionette = (function (Backbone, _, $) {
constructor: function () {
_.bindAll(this, "render");
- Marionette.addEventBinder(this);
var args = Array.prototype.slice.apply(arguments);
Backbone.View.prototype.constructor.apply(this, args);
@@ -1091,7 +1018,7 @@ var Marionette = (function (Backbone, _, $) {
};
// trigger the event
- that.trigger(value, args);
+ that.triggerMethod(value, args);
};
});
@@ -1401,15 +1328,15 @@ var Marionette = (function (Backbone, _, $) {
// remove and/or close it later
this.children.add(view);
+ // Render it and show it
+ this.renderItemView(view, index);
+
// call the "show" method if the collection view
// has already been shown
if (this._isShown) {
Marionette.triggerMethod.call(view, "show");
}
- // Render it and show it
- var renderResult = this.renderItemView(view, index);
-
// this view was added
this.triggerMethod("after:item:added", view);
},
@@ -1447,6 +1374,7 @@ var Marionette = (function (Backbone, _, $) {
removeItemView: function (item) {
var view = this.children.findByModel(item);
this.removeChildView(view);
+ this.checkEmpty();
},
// Remove the child view and close it
@@ -1464,13 +1392,16 @@ var Marionette = (function (Backbone, _, $) {
this.children.remove(view);
}
+ this.triggerMethod("item:removed", view);
+ },
+
+ // helper to show the empty view if the collection is empty
+ checkEmpty: function () {
// check if we're empty now, and if we are, show the
// empty view
if (!this.collection || this.collection.length === 0) {
this.showEmptyView();
}
-
- this.triggerMethod("item:removed", view);
},
// Append the HTML to the collection's `el`.
@@ -1505,9 +1436,7 @@ var Marionette = (function (Backbone, _, $) {
this.children.each(function (child) {
this.removeChildView(child);
}, this);
-
- // re-initialize to clean up after ourselves
- this._initChildViewStorage();
+ this.checkEmpty();
}
});
@@ -1845,14 +1774,13 @@ var Marionette = (function (Backbone, _, $) {
// event aggregator as `app.vent`
Marionette.Application = function (options) {
this.initCallbacks = new Marionette.Callbacks();
- this.vent = new Marionette.EventAggregator();
+ this.vent = new Backbone.Wreqr.EventAggregator();
this.commands = new Backbone.Wreqr.Commands();
this.reqres = new Backbone.Wreqr.RequestResponse();
this.submodules = {};
_.extend(this, options);
- Marionette.addEventBinder(this);
this.triggerMethod = Marionette.triggerMethod;
};
@@ -1939,8 +1867,6 @@ var Marionette = (function (Backbone, _, $) {
this.app = app;
this.startWithParent = true;
- // extend this module with an event binder
- Marionette.addEventBinder(this);
this.triggerMethod = Marionette.triggerMethod;
};
@@ -2001,7 +1927,7 @@ var Marionette = (function (Backbone, _, $) {
_.each(this.submodules, function (mod) { mod.stop(); });
// run the finalizers
- this._finalizerCallbacks.run();
+ this._finalizerCallbacks.run(undefined, this);
// reset the initializers and finalizers
this._initializerCallbacks.reset();