diff --git a/.travis.yml b/.travis.yml
index da6fe0877..ac1293663 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,3 +5,7 @@ sudo: false
after_success:
- bash <(curl -s https://codecov.io/bash)
+
+cache:
+ directories:
+ - $HOME/.m2
diff --git a/openid-connect-client/pom.xml b/openid-connect-client/pom.xml
index b891d4e0e..3fbbd9e5e 100644
--- a/openid-connect-client/pom.xml
+++ b/openid-connect-client/pom.xml
@@ -22,7 +22,7 @@
openid-connect-parentorg.mitre
- 1.3.4-SNAPSHOT
+ 1.3.5-SNAPSHOT..openid-connect-client
diff --git a/openid-connect-common/pom.xml b/openid-connect-common/pom.xml
index ebe5b462d..579837ffb 100644
--- a/openid-connect-common/pom.xml
+++ b/openid-connect-common/pom.xml
@@ -22,7 +22,7 @@
openid-connect-parentorg.mitre
- 1.3.4-SNAPSHOT
+ 1.3.5-SNAPSHOT..openid-connect-common
diff --git a/openid-connect-server-webapp/pom.xml b/openid-connect-server-webapp/pom.xml
index 11881547f..a294b1d8b 100644
--- a/openid-connect-server-webapp/pom.xml
+++ b/openid-connect-server-webapp/pom.xml
@@ -21,7 +21,7 @@
org.mitreopenid-connect-parent
- 1.3.4-SNAPSHOT
+ 1.3.5-SNAPSHOTopenid-connect-server-webappwar
diff --git a/openid-connect-server-webapp/src/main/webapp/WEB-INF/tags/header.tag b/openid-connect-server-webapp/src/main/webapp/WEB-INF/tags/header.tag
index f4b4430cf..94f68be33 100644
--- a/openid-connect-server-webapp/src/main/webapp/WEB-INF/tags/header.tag
+++ b/openid-connect-server-webapp/src/main/webapp/WEB-INF/tags/header.tag
@@ -14,6 +14,7 @@
+
diff --git a/openid-connect-server-webapp/src/main/webapp/resources/js/lib/backbone.js b/openid-connect-server-webapp/src/main/webapp/resources/js/lib/backbone.js
index 58800425c..3cdcfdc82 100644
--- a/openid-connect-server-webapp/src/main/webapp/resources/js/lib/backbone.js
+++ b/openid-connect-server-webapp/src/main/webapp/resources/js/lib/backbone.js
@@ -1,1873 +1,2096 @@
-// Backbone.js 1.2.1
+// Backbone.js 1.4.0
-// (c) 2010-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+// (c) 2010-2019 Jeremy Ashkenas and DocumentCloud
// Backbone may be freely distributed under the MIT license.
// For all details and documentation:
// http://backbonejs.org
(function(factory) {
- // Establish the root object, `window` (`self`) in the browser, or `global` on the server.
- // We use `self` instead of `window` for `WebWorker` support.
- var root = (typeof self == 'object' && self.self == self && self) ||
- (typeof global == 'object' && global.global == global && global);
-
- // Set up Backbone appropriately for the environment. Start with AMD.
- if (typeof define === 'function' && define.amd) {
- define(['underscore', 'jquery', 'exports'], function(_, $, exports) {
- // Export global even in AMD case in case this script is loaded with
- // others that may still expect a global Backbone.
- root.Backbone = factory(root, exports, _, $);
- });
-
- // Next for Node.js or CommonJS. jQuery may not be needed as a module.
- } else if (typeof exports !== 'undefined') {
- var _ = require('underscore'), $;
- try { $ = require('jquery'); } catch(e) {}
- factory(root, exports, _, $);
-
- // Finally, as a browser global.
- } else {
- root.Backbone = factory(root, {}, root._, (root.jQuery || root.Zepto || root.ender || root.$));
- }
-
-}(function(root, Backbone, _, $) {
-
- // Initial Setup
- // -------------
-
- // Save the previous value of the `Backbone` variable, so that it can be
- // restored later on, if `noConflict` is used.
- var previousBackbone = root.Backbone;
-
- // Create a local reference to a common array method we'll want to use later.
- var slice = [].slice;
-
- // Current version of the library. Keep in sync with `package.json`.
- Backbone.VERSION = '1.2.1';
-
- // For Backbone's purposes, jQuery, Zepto, Ender, or My Library (kidding) owns
- // the `$` variable.
- Backbone.$ = $;
-
- // 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 `"PATCH"`, `"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 ... this 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;
-
- // Proxy Underscore methods to a Backbone class' prototype using a
- // particular attribute as the data argument
- var addMethod = function(length, method, attribute) {
- switch (length) {
- case 1: return function() {
- return _[method](this[attribute]);
- };
- case 2: return function(value) {
- return _[method](this[attribute], value);
- };
- case 3: return function(iteratee, context) {
- return _[method](this[attribute], iteratee, context);
- };
- case 4: return function(iteratee, defaultVal, context) {
- return _[method](this[attribute], iteratee, defaultVal, context);
- };
- default: return function() {
- var args = slice.call(arguments);
- args.unshift(this[attribute]);
- return _[method].apply(_, args);
- };
- }
- };
- var addUnderscoreMethods = function(Class, methods, attribute) {
- _.each(methods, function(length, method) {
- if (_[method]) Class.prototype[method] = addMethod(length, method, attribute);
- });
- };
-
- // Backbone.Events
- // ---------------
-
- // 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 = {};
-
- // Regular expression used to split event strings.
- var eventSplitter = /\s+/;
-
- // Iterates over the standard `event, callback` (as well as the fancy multiple
- // space-separated events `"change blur", callback` and jQuery-style event
- // maps `{event: callback}`), reducing them by manipulating `memo`.
- // Passes a normalized single event name and callback, as well as any
- // optional `opts`.
- var eventsApi = function(iteratee, memo, name, callback, opts) {
- var i = 0, names;
- if (name && typeof name === 'object') {
- // Handle event maps.
- if (callback !== void 0 && 'context' in opts && opts.context === void 0) opts.context = callback;
- for (names = _.keys(name); i < names.length ; i++) {
- memo = iteratee(memo, names[i], name[names[i]], opts);
- }
- } else if (name && eventSplitter.test(name)) {
- // Handle space separated event names.
- for (names = name.split(eventSplitter); i < names.length; i++) {
- memo = iteratee(memo, names[i], callback, opts);
- }
- } else {
- memo = iteratee(memo, name, callback, opts);
- }
- return memo;
- };
-
- // Bind an event to a `callback` function. Passing `"all"` will bind
- // the callback to all events fired.
- Events.on = function(name, callback, context) {
- return internalOn(this, name, callback, context);
- };
-
- // An internal use `on` function, used to guard the `listening` argument from
- // the public API.
- var internalOn = function(obj, name, callback, context, listening) {
- obj._events = eventsApi(onApi, obj._events || {}, name, callback, {
- context: context,
- ctx: obj,
- listening: listening
- });
-
- if (listening) {
- var listeners = obj._listeners || (obj._listeners = {});
- listeners[listening.id] = listening;
- }
-
- return obj;
- };
-
- // Inversion-of-control versions of `on`. Tell *this* object to listen to
- // an event in another object... keeping track of what it's listening to.
- Events.listenTo = function(obj, name, callback) {
- if (!obj) return this;
- var id = obj._listenId || (obj._listenId = _.uniqueId('l'));
- var listeningTo = this._listeningTo || (this._listeningTo = {});
- var listening = listeningTo[id];
-
- // This object is not listening to any other events on `obj` yet.
- // Setup the necessary references to track the listening callbacks.
- if (!listening) {
- var thisId = this._listenId || (this._listenId = _.uniqueId('l'));
- listening = listeningTo[id] = {obj: obj, objId: id, id: thisId, listeningTo: listeningTo, count: 0};
- }
-
- // Bind callbacks on obj, and keep track of them on listening.
- internalOn(obj, name, callback, this, listening);
- return this;
- };
-
- // The reducing API that adds a callback to the `events` object.
- var onApi = function(events, name, callback, options) {
- if (callback) {
- var handlers = events[name] || (events[name] = []);
- var context = options.context, ctx = options.ctx, listening = options.listening;
- if (listening) listening.count++;
-
- handlers.push({ callback: callback, context: context, ctx: context || ctx, listening: listening });
- }
- return events;
- };
-
- // 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.
- Events.off = function(name, callback, context) {
- if (!this._events) return this;
- this._events = eventsApi(offApi, this._events, name, callback, {
- context: context,
- listeners: this._listeners
- });
- return this;
- };
-
- // Tell this object to stop listening to either specific events ... or
- // to every object it's currently listening to.
- Events.stopListening = function(obj, name, callback) {
- var listeningTo = this._listeningTo;
- if (!listeningTo) return this;
-
- var ids = obj ? [obj._listenId] : _.keys(listeningTo);
-
- for (var i = 0; i < ids.length; i++) {
- var listening = listeningTo[ids[i]];
-
- // If listening doesn't exist, this object is not currently
- // listening to obj. Break out early.
- if (!listening) break;
-
- listening.obj.off(name, callback, this);
- }
- if (_.isEmpty(listeningTo)) this._listeningTo = void 0;
-
- return this;
- };
-
- // The reducing API that removes a callback from the `events` object.
- var offApi = function(events, name, callback, options) {
- // No events to consider.
- if (!events) return;
-
- var i = 0, listening;
- var context = options.context, listeners = options.listeners;
-
- // Delete all events listeners and "drop" events.
- if (!name && !callback && !context) {
- var ids = _.keys(listeners);
- for (; i < ids.length; i++) {
- listening = listeners[ids[i]];
- delete listeners[listening.id];
- delete listening.listeningTo[listening.objId];
- }
- return;
- }
-
- var names = name ? [name] : _.keys(events);
- for (; i < names.length; i++) {
- name = names[i];
- var handlers = events[name];
-
- // Bail out if there are no events stored.
- if (!handlers) break;
-
- // Replace events if there are any remaining. Otherwise, clean up.
- var remaining = [];
- for (var j = 0; j < handlers.length; j++) {
- var handler = handlers[j];
- if (
- callback && callback !== handler.callback &&
- callback !== handler.callback._callback ||
- context && context !== handler.context
- ) {
- remaining.push(handler);
- } else {
- listening = handler.listening;
- if (listening && --listening.count === 0) {
- delete listeners[listening.id];
- delete listening.listeningTo[listening.objId];
- }
- }
- }
-
- // Update tail event if the list has any events. Otherwise, clean up.
- if (remaining.length) {
- events[name] = remaining;
- } else {
- delete events[name];
- }
- }
- if (_.size(events)) return events;
- };
-
- // Bind an event to only be triggered a single time. After the first time
- // the callback is invoked, it will be removed. When multiple events are
- // passed in using the space-separated syntax, the event will fire once for every
- // event you passed in, not once for a combination of all events
- Events.once = function(name, callback, context) {
- // Map the event into a `{event: once}` object.
- var events = eventsApi(onceMap, {}, name, callback, _.bind(this.off, this));
- return this.on(events, void 0, context);
- };
-
- // Inversion-of-control versions of `once`.
- Events.listenToOnce = function(obj, name, callback) {
- // Map the event into a `{event: once}` object.
- var events = eventsApi(onceMap, {}, name, callback, _.bind(this.stopListening, this, obj));
- return this.listenTo(obj, events);
- };
-
- // Reduces the event callbacks into a map of `{event: onceWrapper}`.
- // `offer` unbinds the `onceWrapper` after it has been called.
- var onceMap = function(map, name, callback, offer) {
- if (callback) {
- var once = map[name] = _.once(function() {
- offer(name, once);
- callback.apply(this, arguments);
- });
- once._callback = callback;
- }
- return map;
- };
-
- // 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).
- Events.trigger = function(name) {
- if (!this._events) return this;
-
- var length = Math.max(0, arguments.length - 1);
- var args = Array(length);
- for (var i = 0; i < length; i++) args[i] = arguments[i + 1];
-
- eventsApi(triggerApi, this._events, name, void 0, args);
- return this;
- };
-
- // Handles triggering the appropriate event callbacks.
- var triggerApi = function(objEvents, name, cb, args) {
- if (objEvents) {
- var events = objEvents[name];
- var allEvents = objEvents.all;
- if (events && allEvents) allEvents = allEvents.slice();
- if (events) triggerEvents(events, args);
- if (allEvents) triggerEvents(allEvents, [name].concat(args));
- }
- return objEvents;
- };
-
- // A difficult-to-believe, but optimized internal dispatch function for
- // triggering events. Tries to keep the usual cases speedy (most internal
- // Backbone events have 3 arguments).
- var triggerEvents = function(events, args) {
- var ev, i = -1, l = events.length, a1 = args[0], a2 = args[1], a3 = args[2];
- switch (args.length) {
- case 0: while (++i < l) (ev = events[i]).callback.call(ev.ctx); return;
- case 1: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1); return;
- case 2: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2); return;
- case 3: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2, a3); return;
- default: while (++i < l) (ev = events[i]).callback.apply(ev.ctx, args); return;
- }
- };
-
- // 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
- // --------------
-
- // Backbone **Models** are the basic data object in the framework --
- // frequently representing a row in a table in a database on your server.
- // A discrete chunk of data and a bunch of useful, related methods for
- // performing computations and transformations on that data.
-
- // Create a new model with the specified attributes. A client id (`cid`)
- // is automatically generated and assigned for you.
- var Model = Backbone.Model = function(attributes, options) {
- var attrs = attributes || {};
- options || (options = {});
- this.cid = _.uniqueId(this.cidPrefix);
- this.attributes = {};
- if (options.collection) this.collection = options.collection;
- if (options.parse) attrs = this.parse(attrs, options) || {};
- attrs = _.defaults({}, attrs, _.result(this, 'defaults'));
- 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 value returned during the last failed validation.
- validationError: null,
-
- // The default name for the JSON `id` attribute is `"id"`. MongoDB and
- // CouchDB users may want to set this to `"_id"`.
- idAttribute: 'id',
-
- // The prefix is used to create the client id which is used to identify models locally.
- // You may want to override this if you're experiencing name clashes with model ids.
- cidPrefix: 'c',
-
- // 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 -- but override this if you need
- // custom syncing semantics for *this* particular model.
- 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;
- },
-
- // Special-cased proxy to underscore's `_.matches` method.
- matches: function(attrs) {
- return !!_.iteratee(attrs, this)(this.attributes);
- },
-
- // Set a hash of model attributes on the object, firing `"change"`. This is
- // the core primitive operation of a model, updating the data and notifying
- // anyone who needs to know about the change in state. The heart of the beast.
- set: function(key, val, options) {
- if (key == null) return this;
-
- // Handle both `"key", value` and `{key: value}` -style arguments.
- var attrs;
- 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.
- var unset = options.unset;
- var silent = options.silent;
- var changes = [];
- var changing = this._changing;
- this._changing = true;
-
- if (!changing) {
- this._previousAttributes = _.clone(this.attributes);
- this.changed = {};
- }
-
- var current = this.attributes;
- var changed = this.changed;
- var prev = this._previousAttributes;
-
- // 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 (var attr in attrs) {
- val = attrs[attr];
- if (!_.isEqual(current[attr], val)) changes.push(attr);
- if (!_.isEqual(prev[attr], val)) {
- changed[attr] = val;
- } else {
- delete changed[attr];
- }
- unset ? delete current[attr] : current[attr] = val;
- }
-
- // Trigger all relevant attribute changes.
- if (!silent) {
- if (changes.length) this._pending = options;
- for (var i = 0; i < changes.length; i++) {
- this.trigger('change:' + changes[i], this, current[changes[i]], options);
- }
- }
-
- // You might be wondering why there's a `while` loop here. Changes can
- // be recursively nested within `"change"` events.
- if (changing) return this;
- if (!silent) {
- while (this._pending) {
- options = this._pending;
- this._pending = false;
- this.trigger('change', this, options);
- }
- }
- this._pending = false;
- this._changing = false;
- return this;
- },
-
- // Remove an attribute from the model, firing `"change"`. `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"`.
- 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 old = this._changing ? this._previousAttributes : this.attributes;
- var changed = {};
- for (var attr in diff) {
- var val = diff[attr];
- if (_.isEqual(old[attr], val)) continue;
- changed[attr] = val;
- }
- return _.size(changed) ? changed : false;
- },
-
- // 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, merging the response with the model's
- // local attributes. Any changed attributes will trigger a "change" event.
- fetch: function(options) {
- options = _.extend({parse: true}, options);
- var model = this;
- var success = options.success;
- options.success = function(resp) {
- var serverAttrs = options.parse ? model.parse(resp, options) : resp;
- if (!model.set(serverAttrs, options)) return false;
- if (success) success.call(options.context, model, resp, options);
- model.trigger('sync', model, resp, options);
- };
- wrapError(this, options);
- return this.sync('read', this, options);
- },
-
- // 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) {
- // Handle both `"key", value` and `{key: value}` -style arguments.
- var attrs;
- if (key == null || typeof key === 'object') {
- attrs = key;
- options = val;
- } else {
- (attrs = {})[key] = val;
- }
-
- options = _.extend({validate: true, parse: true}, options);
- var wait = options.wait;
-
- // If we're not waiting and attributes exist, save acts as
- // `set(attr).save(null, opts)` with validation. Otherwise, check if
- // the model will be valid when the attributes, if any, are set.
- if (attrs && !wait) {
- if (!this.set(attrs, options)) return false;
- } else {
- if (!this._validate(attrs, 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;
- var attributes = this.attributes;
- options.success = function(resp) {
- // Ensure attributes are restored during synchronous saves.
- model.attributes = attributes;
- var serverAttrs = options.parse ? model.parse(resp, options) : resp;
- if (wait) serverAttrs = _.extend({}, attrs, serverAttrs);
- if (serverAttrs && !model.set(serverAttrs, options)) return false;
- if (success) success.call(options.context, model, resp, options);
- model.trigger('sync', model, resp, options);
- };
- wrapError(this, options);
-
- // Set temporary attributes if `{wait: true}` to properly find new ids.
- if (attrs && wait) this.attributes = _.extend({}, attributes, attrs);
-
- var method = this.isNew() ? 'create' : (options.patch ? 'patch' : 'update');
- if (method === 'patch' && !options.attrs) options.attrs = attrs;
- var xhr = this.sync(method, this, options);
-
- // Restore attributes.
- 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 wait = options.wait;
-
- var destroy = function() {
- model.stopListening();
- model.trigger('destroy', model, model.collection, options);
- };
-
- options.success = function(resp) {
- if (wait) destroy();
- if (success) success.call(options.context, model, resp, options);
- if (!model.isNew()) model.trigger('sync', model, resp, options);
- };
-
- var xhr = false;
- if (this.isNew()) {
- _.defer(options.success);
- } else {
- wrapError(this, options);
- xhr = this.sync('delete', this, options);
- }
- if (!wait) destroy();
- return xhr;
- },
-
- // 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;
- var id = this.get(this.idAttribute);
- return base.replace(/[^\/]$/, '$&/') + encodeURIComponent(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.has(this.idAttribute);
- },
-
- // Check if the model is currently in a valid state.
- isValid: function(options) {
- return this._validate({}, _.defaults({validate: true}, options));
- },
-
- // Run validation against the next complete set of model attributes,
- // returning `true` if all is well. Otherwise, fire an `"invalid"` event.
- _validate: function(attrs, options) {
- if (!options.validate || !this.validate) return true;
- attrs = _.extend({}, this.attributes, attrs);
- var error = this.validationError = this.validate(attrs, options) || null;
- if (!error) return true;
- this.trigger('invalid', this, error, _.extend(options, {validationError: error}));
- return false;
- }
-
- });
-
- // Underscore methods that we want to implement on the Model.
- var modelMethods = { keys: 1, values: 1, pairs: 1, invert: 1, pick: 0,
- omit: 0, chain: 1, isEmpty: 1 };
-
- // Mix in each Underscore method as a proxy to `Model#attributes`.
- addUnderscoreMethods(Model, modelMethods, 'attributes');
-
- // Backbone.Collection
- // -------------------
-
- // If models tend to represent a single row of data, a Backbone Collection is
- // more analogous to a table full of data ... or a small slice or page of that
- // table, or a collection of rows that belong together for a particular reason
- // -- all of the messages in this particular folder, all of the documents
- // belonging to this particular author, and so on. Collections maintain
- // indexes of their models, both in order, and for lookup by `id`.
-
- // Create a new **Collection**, perhaps to contain a specific type of `model`.
- // 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));
- };
-
- // Default options for `Collection#set`.
- var setOptions = {add: true, remove: true, merge: true};
- var addOptions = {add: true, remove: false};
-
- // 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) {
- return this.set(models, _.extend({merge: false}, options, addOptions));
- },
-
- // Remove a model, or a list of models from the set.
- remove: function(models, options) {
- options = _.extend({}, options);
- var singular = !_.isArray(models);
- models = singular ? [models] : _.clone(models);
- var removed = this._removeModels(models, options);
- if (!options.silent && removed) this.trigger('update', this, options);
- return singular ? removed[0] : removed;
- },
-
- // Update a collection by `set`-ing a new list of models, adding new ones,
- // removing models that are no longer present, and merging models that
- // already exist in the collection, as necessary. Similar to **Model#set**,
- // the core operation for updating the data contained by the collection.
- set: function(models, options) {
- options = _.defaults({}, options, setOptions);
- if (options.parse && !this._isModel(models)) models = this.parse(models, options);
- var singular = !_.isArray(models);
- models = singular ? (models ? [models] : []) : models.slice();
- var id, model, attrs, existing, sort;
- var at = options.at;
- if (at != null) at = +at;
- if (at < 0) at += this.length + 1;
- var sortable = this.comparator && (at == null) && options.sort !== false;
- var sortAttr = _.isString(this.comparator) ? this.comparator : null;
- var toAdd = [], toRemove = [], modelMap = {};
- var add = options.add, merge = options.merge, remove = options.remove;
- var order = !sortable && add && remove ? [] : false;
- var orderChanged = false;
-
- // Turn bare objects into model references, and prevent invalid models
- // from being added.
- for (var i = 0; i < models.length; i++) {
- attrs = models[i];
-
- // If a duplicate is found, prevent it from being added and
- // optionally merge it into the existing model.
- if (existing = this.get(attrs)) {
- if (remove) modelMap[existing.cid] = true;
- if (merge && attrs !== existing) {
- attrs = this._isModel(attrs) ? attrs.attributes : attrs;
- if (options.parse) attrs = existing.parse(attrs, options);
- existing.set(attrs, options);
- if (sortable && !sort && existing.hasChanged(sortAttr)) sort = true;
- }
- models[i] = existing;
-
- // If this is a new, valid model, push it to the `toAdd` list.
- } else if (add) {
- model = models[i] = this._prepareModel(attrs, options);
- if (!model) continue;
- toAdd.push(model);
- this._addReference(model, options);
- }
-
- // Do not add multiple models with the same `id`.
- model = existing || model;
- if (!model) continue;
- id = this.modelId(model.attributes);
- if (order && (model.isNew() || !modelMap[id])) {
- order.push(model);
-
- // Check to see if this is actually a new model at this index.
- orderChanged = orderChanged || !this.models[i] || model.cid !== this.models[i].cid;
- }
-
- modelMap[id] = true;
- }
-
- // Remove nonexistent models if appropriate.
- if (remove) {
- for (var i = 0; i < this.length; i++) {
- if (!modelMap[(model = this.models[i]).cid]) toRemove.push(model);
- }
- if (toRemove.length) this._removeModels(toRemove, options);
- }
-
- // See if sorting is needed, update `length` and splice in new models.
- if (toAdd.length || orderChanged) {
- if (sortable) sort = true;
- this.length += toAdd.length;
- if (at != null) {
- for (var i = 0; i < toAdd.length; i++) {
- this.models.splice(at + i, 0, toAdd[i]);
- }
- } else {
- if (order) this.models.length = 0;
- var orderedModels = order || toAdd;
- for (var i = 0; i < orderedModels.length; i++) {
- this.models.push(orderedModels[i]);
- }
- }
- }
-
- // Silently sort the collection if appropriate.
- if (sort) this.sort({silent: true});
-
- // Unless silenced, it's time to fire all appropriate add/sort events.
- if (!options.silent) {
- var addOpts = at != null ? _.clone(options) : options;
- for (var i = 0; i < toAdd.length; i++) {
- if (at != null) addOpts.index = at + i;
- (model = toAdd[i]).trigger('add', model, this, addOpts);
- }
- if (sort || orderChanged) this.trigger('sort', this, options);
- if (toAdd.length || toRemove.length) this.trigger('update', this, options);
- }
-
- // Return the added (or merged) model (or models).
- return singular ? models[0] : models;
- },
-
- // 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 granular `add` or `remove` events. Fires `reset` when finished.
- // Useful for bulk operations and optimizations.
- reset: function(models, options) {
- options = options ? _.clone(options) : {};
- for (var i = 0; i < this.models.length; i++) {
- this._removeReference(this.models[i], options);
- }
- options.previousModels = this.models;
- this._reset();
- models = this.add(models, _.extend({silent: true}, options));
- if (!options.silent) this.trigger('reset', this, options);
- return models;
- },
-
- // Add a model to the end of the collection.
- push: function(model, options) {
- return this.add(model, _.extend({at: this.length}, options));
- },
-
- // Remove a model from the end of the collection.
- pop: function(options) {
- var model = this.at(this.length - 1);
- return this.remove(model, options);
- },
-
- // Add a model to the beginning of the collection.
- unshift: function(model, options) {
- return this.add(model, _.extend({at: 0}, options));
- },
-
- // Remove a model from the beginning of the collection.
- shift: function(options) {
- var model = this.at(0);
- return this.remove(model, options);
- },
-
- // Slice out a sub-array of models from the collection.
- slice: function() {
- return slice.apply(this.models, arguments);
- },
-
- // Get a model from the set by id.
- get: function(obj) {
- if (obj == null) return void 0;
- var id = this.modelId(this._isModel(obj) ? obj.attributes : obj);
- return this._byId[obj] || this._byId[id] || this._byId[obj.cid];
- },
-
- // Get the model at the given index.
- at: function(index) {
- if (index < 0) index += this.length;
- return this.models[index];
- },
-
- // Return models with matching attributes. Useful for simple cases of
- // `filter`.
- where: function(attrs, first) {
- var matches = _.matches(attrs);
- return this[first ? 'find' : 'filter'](function(model) {
- return matches(model.attributes);
- });
- },
-
- // Return the first model with matching attributes. Useful for simple cases
- // of `find`.
- findWhere: function(attrs) {
- return this.where(attrs, 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 = {});
-
- // 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));
- }
-
- 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);
- },
-
- // Fetch the default set of models for this collection, resetting the
- // collection when they arrive. If `reset: true` is passed, the response
- // data will be passed through the `reset` method instead of `set`.
- fetch: function(options) {
- options = _.extend({parse: true}, options);
- var success = options.success;
- var collection = this;
- options.success = function(resp) {
- var method = options.reset ? 'reset' : 'set';
- collection[method](resp, options);
- if (success) success.call(options.context, collection, resp, options);
- collection.trigger('sync', collection, resp, options);
- };
- wrapError(this, options);
- return this.sync('read', this, options);
- },
-
- // Create 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) : {};
- var wait = options.wait;
- model = this._prepareModel(model, options);
- if (!model) return false;
- if (!wait) this.add(model, options);
- var collection = this;
- var success = options.success;
- options.success = function(model, resp, callbackOpts) {
- if (wait) collection.add(model, callbackOpts);
- if (success) success.call(callbackOpts.context, model, resp, callbackOpts);
- };
- 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, {
- model: this.model,
- comparator: this.comparator
- });
- },
-
- // Define how to uniquely identify models in the collection.
- modelId: function (attrs) {
- return attrs[this.model.prototype.idAttribute || 'id'];
- },
-
- // Private method to reset all internal state. Called when the collection
- // is first initialized or reset.
- _reset: function() {
- this.length = 0;
- this.models = [];
- this._byId = {};
- },
-
- // Prepare a hash of attributes (or other model) to be added to this
- // collection.
- _prepareModel: function(attrs, options) {
- if (this._isModel(attrs)) {
- if (!attrs.collection) attrs.collection = this;
- return attrs;
- }
- options = options ? _.clone(options) : {};
- options.collection = this;
- var model = new this.model(attrs, options);
- if (!model.validationError) return model;
- this.trigger('invalid', this, model.validationError, options);
- return false;
- },
-
- // Internal method called by both remove and set.
- // Returns removed models, or false if nothing is removed.
- _removeModels: function(models, options) {
- var removed = [];
- for (var i = 0; i < models.length; i++) {
- var model = this.get(models[i]);
- if (!model) continue;
-
- var index = this.indexOf(model);
- this.models.splice(index, 1);
- this.length--;
-
- if (!options.silent) {
- options.index = index;
- model.trigger('remove', model, this, options);
- }
-
- removed.push(model);
- this._removeReference(model, options);
- }
- return removed.length ? removed : false;
- },
-
- // Method for checking whether an object should be considered a model for
- // the purposes of adding to the collection.
- _isModel: function (model) {
- return model instanceof Model;
- },
-
- // Internal method to create a model's ties to a collection.
- _addReference: function(model, options) {
- this._byId[model.cid] = model;
- var id = this.modelId(model.attributes);
- if (id != null) this._byId[id] = model;
- model.on('all', this._onModelEvent, this);
- },
-
- // Internal method to sever a model's ties to a collection.
- _removeReference: function(model, options) {
- delete this._byId[model.cid];
- var id = this.modelId(model.attributes);
- if (id != null) delete this._byId[id];
- if (this === model.collection) delete model.collection;
- model.off('all', this._onModelEvent, this);
- },
-
- // 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 (event === 'change') {
- var prevId = this.modelId(model.previousAttributes());
- var id = this.modelId(model.attributes);
- if (prevId !== id) {
- if (prevId != null) delete this._byId[prevId];
- if (id != null) this._byId[id] = model;
- }
- }
- this.trigger.apply(this, arguments);
- }
-
- });
-
- // Underscore methods that we want to implement on the Collection.
- // 90% of the core usefulness of Backbone Collections is actually implemented
- // right here:
- var collectionMethods = { forEach: 3, each: 3, map: 3, collect: 3, reduce: 4,
- foldl: 4, inject: 4, reduceRight: 4, foldr: 4, find: 3, detect: 3, filter: 3,
- select: 3, reject: 3, every: 3, all: 3, some: 3, any: 3, include: 2,
- contains: 2, invoke: 0, max: 3, min: 3, toArray: 1, size: 1, first: 3,
- head: 3, take: 3, initial: 3, rest: 3, tail: 3, drop: 3, last: 3,
- without: 0, difference: 0, indexOf: 3, shuffle: 1, lastIndexOf: 3,
- isEmpty: 1, chain: 1, sample: 3, partition: 3 };
-
- // Mix in each Underscore method as a proxy to `Collection#models`.
- addUnderscoreMethods(Collection, collectionMethods, 'models');
-
- // Underscore methods that take a property name as an argument.
- var attributeMethods = ['groupBy', 'countBy', 'sortBy', 'indexBy'];
-
- // Use attributes instead of properties.
- _.each(attributeMethods, function(method) {
- if (!_[method]) return;
- Collection.prototype[method] = function(value, context) {
- var iterator = _.isFunction(value) ? value : function(model) {
- return model.get(value);
- };
- return _[method](this.models, iterator, context);
- };
- });
-
- // Backbone.View
- // -------------
-
- // Backbone Views are almost more convention than they are actual code. A View
- // is simply a JavaScript object that represents a logical chunk of UI in the
- // DOM. This might be a single item, an entire list, a sidebar or panel, or
- // even the surrounding frame which wraps your whole app. Defining a chunk of
- // UI as a **View** allows you to define your DOM events declaratively, without
- // having to worry about render order ... and makes it easy for the view to
- // react to specific changes in the state of your models.
-
- // 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');
- _.extend(this, _.pick(options, viewOptions));
- this._ensureElement();
- this.initialize.apply(this, arguments);
- };
-
- // 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 preferred 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._removeElement();
- this.stopListening();
- return this;
- },
-
- // Remove this view's element from the document and all event listeners
- // attached to it. Exposed for subclasses using an alternative DOM
- // manipulation API.
- _removeElement: function() {
- this.$el.remove();
- },
-
- // Change the view's element (`this.el` property) and re-delegate the
- // view's events on the new element.
- setElement: function(element) {
- this.undelegateEvents();
- this._setElement(element);
- this.delegateEvents();
- return this;
- },
-
- // Creates the `this.el` and `this.$el` references for this view using the
- // given `el`. `el` can be a CSS selector or an HTML string, a jQuery
- // context or an element. Subclasses can override this to utilize an
- // alternative DOM manipulation API and are only required to set the
- // `this.el` property.
- _setElement: function(el) {
- this.$el = el instanceof Backbone.$ ? el : Backbone.$(el);
- this.el = this.$el[0];
- },
-
- // 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`.
- delegateEvents: function(events) {
- events || (events = _.result(this, 'events'));
- if (!events) return this;
- this.undelegateEvents();
- for (var key in events) {
- var method = events[key];
- if (!_.isFunction(method)) method = this[method];
- if (!method) continue;
- var match = key.match(delegateEventSplitter);
- this.delegate(match[1], match[2], _.bind(method, this));
- }
- return this;
- },
-
- // Add a single event listener to the view's element (or a child element
- // using `selector`). This only works for delegate-able events: not `focus`,
- // `blur`, and not `change`, `submit`, and `reset` in Internet Explorer.
- delegate: function(eventName, selector, listener) {
- this.$el.on(eventName + '.delegateEvents' + this.cid, selector, listener);
- return this;
- },
-
- // Clears all callbacks previously bound to the view by `delegateEvents`.
- // You usually don't need to use this, but may wish to if you have multiple
- // Backbone views attached to the same DOM element.
- undelegateEvents: function() {
- if (this.$el) this.$el.off('.delegateEvents' + this.cid);
- return this;
- },
-
- // A finer-grained `undelegateEvents` for removing a single delegated event.
- // `selector` and `listener` are both optional.
- undelegate: function(eventName, selector, listener) {
- this.$el.off(eventName + '.delegateEvents' + this.cid, selector, listener);
- return this;
- },
-
- // Produces a DOM element to be assigned to your view. Exposed for
- // subclasses using an alternative DOM manipulation API.
- _createElement: function(tagName) {
- return document.createElement(tagName);
- },
-
- // Ensure that the View has a DOM element to render into.
- // If `this.el` is a string, pass it through `$()`, take the first
- // matching element, and re-assign it to `el`. Otherwise, create
- // an element from the `id`, `className` and `tagName` properties.
- _ensureElement: function() {
- if (!this.el) {
- var attrs = _.extend({}, _.result(this, 'attributes'));
- if (this.id) attrs.id = _.result(this, 'id');
- if (this.className) attrs['class'] = _.result(this, 'className');
- this.setElement(this._createElement(_.result(this, 'tagName')));
- this._setAttributes(attrs);
- } else {
- this.setElement(_.result(this, 'el'));
- }
- },
-
- // Set attributes from a hash on this view's element. Exposed for
- // subclasses using an alternative DOM manipulation API.
- _setAttributes: function(attributes) {
- this.$el.attr(attributes);
- }
-
- });
-
- // Backbone.sync
- // -------------
-
- // Override this function to change the manner in which Backbone persists
- // models to the server. You will be passed the type of request, and the
- // model in question. By default, makes a RESTful Ajax request
- // 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();
- }
-
- // 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 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} : {};
- }
-
- // 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);
- };
- }
-
- // Don't process data on a non-GET request.
- if (params.type !== 'GET' && !options.emulateJSON) {
- params.processData = false;
- }
-
- // Pass along `textStatus` and `errorThrown` from jQuery.
- var error = options.error;
- options.error = function(xhr, textStatus, errorThrown) {
- options.textStatus = textStatus;
- options.errorThrown = errorThrown;
- if (error) error.call(options.context, xhr, textStatus, errorThrown);
- };
-
- // 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;
- };
-
- // Map from CRUD to HTTP for our default `Backbone.sync` implementation.
- var methodMap = {
- 'create': 'POST',
- 'update': 'PUT',
- 'patch': 'PATCH',
- 'delete': 'DELETE',
- 'read': 'GET'
- };
-
- // Set the default implementation of `Backbone.ajax` to proxy through to `$`.
- // Override this if you'd like to use a different library.
- Backbone.ajax = function() {
- return Backbone.$.ajax.apply(Backbone.$, arguments);
- };
-
- // Backbone.Router
- // ---------------
-
- // Routers map faux-URLs to actions, and fire events when routes are
- // matched. Creating a new one sets its `routes` hash, if not set statically.
- var Router = Backbone.Router = function(options) {
- options || (options = {});
- if (options.routes) this.routes = options.routes;
- this._bindRoutes();
- this.initialize.apply(this, arguments);
- };
-
- // Cached regular expressions for matching named param parts and splatted
- // parts of route strings.
- var 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 (_.isFunction(name)) {
- callback = name;
- name = '';
- }
- if (!callback) callback = this[name];
- var router = this;
- Backbone.history.route(route, function(fragment) {
- var args = router._extractParameters(route, fragment);
- if (router.execute(callback, args, name) !== false) {
- router.trigger.apply(router, ['route:' + name].concat(args));
- router.trigger('route', name, args);
- Backbone.history.trigger('route', router, name, args);
- }
- });
- return this;
- },
-
- // Execute a route handler with the provided parameters. This is an
- // excellent place to do pre-route setup or post-route cleanup.
- execute: function(callback, args, name) {
- if (callback) callback.apply(this, args);
- },
-
- // 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;
- this.routes = _.result(this, 'routes');
- 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, '(?:$1)?')
- .replace(namedParam, function(match, optional) {
- return optional ? match : '([^/?]+)';
- })
- .replace(splatParam, '([^?]*?)');
- return new RegExp('^' + route + '(?:\\?([\\s\\S]*))?$');
- },
-
- // Given a route, and a URL fragment that it matches, return the array of
- // extracted decoded parameters. Empty or unmatched parameters will be
- // treated as `null` to normalize cross-browser behavior.
- _extractParameters: function(route, fragment) {
- var params = route.exec(fragment).slice(1);
- return _.map(params, function(param, i) {
- // Don't decode the search params.
- if (i === params.length - 1) return param || null;
- return param ? decodeURIComponent(param) : null;
- });
- }
-
- });
-
- // Backbone.History
- // ----------------
-
- // Handles cross-browser history management, based on either
- // [pushState](http://diveintohtml5.info/history.html) and real URLs, or
- // [onhashchange](https://developer.mozilla.org/en-US/docs/DOM/window.onhashchange)
- // and URL fragments. If the browser supports neither (old IE, natch),
- // 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;
- }
- };
-
- // 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 stripping urls of hash.
- var pathStripper = /#.*$/;
-
- // Has the history handling already been started?
- History.started = false;
-
- // Set up all inheritable **Backbone.History** properties and methods.
- _.extend(History.prototype, Events, {
-
- // The default interval to poll for hash changes, if necessary, is
- // twenty times a second.
- interval: 50,
-
- // Are we at the app root?
- atRoot: function() {
- var path = this.location.pathname.replace(/[^\/]$/, '$&/');
- return path === this.root && !this.getSearch();
- },
-
- // Does the pathname match the root?
- matchRoot: function() {
- var path = this.decodeFragment(this.location.pathname);
- var root = path.slice(0, this.root.length - 1) + '/';
- return root === this.root;
- },
-
- // Unicode characters in `location.pathname` are percent encoded so they're
- // decoded for comparison. `%25` should not be decoded since it may be part
- // of an encoded parameter.
- decodeFragment: function(fragment) {
- return decodeURI(fragment.replace(/%25/g, '%2525'));
- },
-
- // In IE6, the hash fragment and search params are incorrect if the
- // fragment contains `?`.
- getSearch: function() {
- var match = this.location.href.replace(/#.*/, '').match(/\?.+/);
- return match ? match[0] : '';
- },
-
- // Gets the true hash value. Cannot use location.hash directly due to bug
- // in Firefox where location.hash will always be decoded.
- getHash: function(window) {
- var match = (window || this).location.href.match(/#(.*)$/);
- return match ? match[1] : '';
- },
-
- // Get the pathname and search params, without the root.
- getPath: function() {
- var path = this.decodeFragment(
- this.location.pathname + this.getSearch()
- ).slice(this.root.length - 1);
- return path.charAt(0) === '/' ? path.slice(1) : path;
- },
-
- // Get the cross-browser normalized URL fragment from the path or hash.
- getFragment: function(fragment) {
- if (fragment == null) {
- if (this._usePushState || !this._wantsHashChange) {
- fragment = this.getPath();
- } 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._hasHashChange = 'onhashchange' in window;
- this._useHashChange = this._wantsHashChange && this._hasHashChange;
- this._wantsPushState = !!this.options.pushState;
- this._hasPushState = !!(this.history && this.history.pushState);
- this._usePushState = this._wantsPushState && this._hasPushState;
- this.fragment = this.getFragment();
-
- // Normalize root to always include a leading and trailing slash.
- this.root = ('/' + this.root + '/').replace(rootStripper, '/');
-
- // Transition from hashChange to pushState or vice versa if both are
- // requested.
- if (this._wantsHashChange && this._wantsPushState) {
-
- // 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._hasPushState && !this.atRoot()) {
- var root = this.root.slice(0, -1) || '/';
- this.location.replace(root + '#' + this.getPath());
- // 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._hasPushState && this.atRoot()) {
- this.navigate(this.getHash(), {replace: true});
- }
-
- }
-
- // Proxy an iframe to handle location events if the browser doesn't
- // support the `hashchange` event, HTML5 history, or the user wants
- // `hashChange` but not `pushState`.
- if (!this._hasHashChange && this._wantsHashChange && !this._usePushState) {
- this.iframe = document.createElement('iframe');
- this.iframe.src = 'javascript:0';
- this.iframe.style.display = 'none';
- this.iframe.tabIndex = -1;
- var body = document.body;
- // Using `appendChild` will throw on IE < 9 if the document is not ready.
- var iWindow = body.insertBefore(this.iframe, body.firstChild).contentWindow;
- iWindow.document.open();
- iWindow.document.close();
- iWindow.location.hash = '#' + this.fragment;
- }
-
- // Add a cross-platform `addEventListener` shim for older browsers.
- var addEventListener = window.addEventListener || function (eventName, listener) {
- return attachEvent('on' + eventName, listener);
- };
-
- // Depending on whether we're using pushState or hashes, and whether
- // 'onhashchange' is supported, determine how we check the URL state.
- if (this._usePushState) {
- addEventListener('popstate', this.checkUrl, false);
- } else if (this._useHashChange && !this.iframe) {
- addEventListener('hashchange', this.checkUrl, false);
- } else if (this._wantsHashChange) {
- this._checkUrlInterval = setInterval(this.checkUrl, this.interval);
- }
-
- if (!this.options.silent) return this.loadUrl();
- },
-
- // Disable Backbone.history, perhaps temporarily. Not useful in a real app,
- // but possibly useful for unit testing Routers.
- stop: function() {
- // Add a cross-platform `removeEventListener` shim for older browsers.
- var removeEventListener = window.removeEventListener || function (eventName, listener) {
- return detachEvent('on' + eventName, listener);
- };
-
- // Remove window listeners.
- if (this._usePushState) {
- removeEventListener('popstate', this.checkUrl, false);
- } else if (this._useHashChange && !this.iframe) {
- removeEventListener('hashchange', this.checkUrl, false);
- }
-
- // Clean up the iframe if necessary.
- if (this.iframe) {
- document.body.removeChild(this.iframe);
- this.iframe = null;
- }
-
- // Some environments will throw when clearing an undefined interval.
- if (this._checkUrlInterval) 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 the user pressed the back button, the iframe's hash will have
- // changed and we should use that for comparison.
- if (current === this.fragment && this.iframe) {
- current = this.getHash(this.iframe.contentWindow);
- }
-
- if (current === this.fragment) return false;
- if (this.iframe) this.navigate(current);
- this.loadUrl();
- },
-
- // 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(fragment) {
- // If the root doesn't match, no routes can match either.
- if (!this.matchRoot()) return false;
- fragment = this.fragment = this.getFragment(fragment);
- return _.any(this.handlers, function(handler) {
- if (handler.route.test(fragment)) {
- handler.callback(fragment);
- return true;
- }
- });
- },
-
- // 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};
-
- // Normalize the fragment.
- fragment = this.getFragment(fragment || '');
-
- // Don't include a trailing slash on the root.
- var root = this.root;
- if (fragment === '' || fragment.charAt(0) === '?') {
- root = root.slice(0, -1) || '/';
- }
- var url = root + fragment;
-
- // Strip the hash and decode for matching.
- fragment = this.decodeFragment(fragment.replace(pathStripper, ''));
-
- if (this.fragment === fragment) return;
- this.fragment = fragment;
-
- // If pushState is available, we use it to set the fragment as a real URL.
- if (this._usePushState) {
- 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.getHash(this.iframe.contentWindow))) {
- var iWindow = this.iframe.contentWindow;
-
- // 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) {
- iWindow.document.open();
- iWindow.document.close();
- }
-
- this._updateHash(iWindow.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) return 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;
-
- // 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 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);
-
- // Set the prototype chain to inherit from `parent`, without calling
- // `parent` 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);
-
- // Set a convenience property in case the parent's prototype is needed
- // later.
- child.__super__ = parent.prototype;
-
- return child;
- };
-
- // 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');
- };
-
- // Wrap an optional error callback with a fallback error event.
- var wrapError = function(model, options) {
- var error = options.error;
- options.error = function(resp) {
- if (error) error.call(options.context, model, resp, options);
- model.trigger('error', model, resp, options);
- };
- };
-
- return Backbone;
-
-}));
+ // Establish the root object, `window` (`self`) in the browser, or `global` on the server.
+ // We use `self` instead of `window` for `WebWorker` support.
+ var root = typeof self == 'object' && self.self === self && self ||
+ typeof global == 'object' && global.global === global && global;
+
+ // Set up Backbone appropriately for the environment. Start with AMD.
+ if (typeof define === 'function' && define.amd) {
+ define(['underscore', 'jquery', 'exports'], function(_, $, exports) {
+ // Export global even in AMD case in case this script is loaded with
+ // others that may still expect a global Backbone.
+ root.Backbone = factory(root, exports, _, $);
+ });
+
+ // Next for Node.js or CommonJS. jQuery may not be needed as a module.
+ } else if (typeof exports !== 'undefined') {
+ var _ = require('underscore'), $;
+ try { $ = require('jquery'); } catch (e) {}
+ factory(root, exports, _, $);
+
+ // Finally, as a browser global.
+ } else {
+ root.Backbone = factory(root, {}, root._, root.jQuery || root.Zepto || root.ender || root.$);
+ }
+
+})(function(root, Backbone, _, $) {
+
+ // Initial Setup
+ // -------------
+
+ // Save the previous value of the `Backbone` variable, so that it can be
+ // restored later on, if `noConflict` is used.
+ var previousBackbone = root.Backbone;
+
+ // Create a local reference to a common array method we'll want to use later.
+ var slice = Array.prototype.slice;
+
+ // Current version of the library. Keep in sync with `package.json`.
+ Backbone.VERSION = '1.4.0';
+
+ // For Backbone's purposes, jQuery, Zepto, Ender, or My Library (kidding) owns
+ // the `$` variable.
+ Backbone.$ = $;
+
+ // 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 `"PATCH"`, `"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 ... this will encode the body as
+ // `application/x-www-form-urlencoded` instead and will send the model in a
+ // form param named `model`.
+ Backbone.emulateJSON = false;
+
+ // Backbone.Events
+ // ---------------
+
+ // A module that can be mixed in to *any object* in order to provide it with
+ // a custom event channel. You may bind a callback to an event with `on` or
+ // remove with `off`; `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 = {};
+
+ // Regular expression used to split event strings.
+ var eventSplitter = /\s+/;
+
+ // A private global variable to share between listeners and listenees.
+ var _listening;
+
+ // Iterates over the standard `event, callback` (as well as the fancy multiple
+ // space-separated events `"change blur", callback` and jQuery-style event
+ // maps `{event: callback}`).
+ var eventsApi = function(iteratee, events, name, callback, opts) {
+ var i = 0, names;
+ if (name && typeof name === 'object') {
+ // Handle event maps.
+ if (callback !== void 0 && 'context' in opts && opts.context === void 0) opts.context = callback;
+ for (names = _.keys(name); i < names.length ; i++) {
+ events = eventsApi(iteratee, events, names[i], name[names[i]], opts);
+ }
+ } else if (name && eventSplitter.test(name)) {
+ // Handle space-separated event names by delegating them individually.
+ for (names = name.split(eventSplitter); i < names.length; i++) {
+ events = iteratee(events, names[i], callback, opts);
+ }
+ } else {
+ // Finally, standard events.
+ events = iteratee(events, name, callback, opts);
+ }
+ return events;
+ };
+
+ // Bind an event to a `callback` function. Passing `"all"` will bind
+ // the callback to all events fired.
+ Events.on = function(name, callback, context) {
+ this._events = eventsApi(onApi, this._events || {}, name, callback, {
+ context: context,
+ ctx: this,
+ listening: _listening
+ });
+
+ if (_listening) {
+ var listeners = this._listeners || (this._listeners = {});
+ listeners[_listening.id] = _listening;
+ // Allow the listening to use a counter, instead of tracking
+ // callbacks for library interop
+ _listening.interop = false;
+ }
+
+ return this;
+ };
+
+ // Inversion-of-control versions of `on`. Tell *this* object to listen to
+ // an event in another object... keeping track of what it's listening to
+ // for easier unbinding later.
+ Events.listenTo = function(obj, name, callback) {
+ if (!obj) return this;
+ var id = obj._listenId || (obj._listenId = _.uniqueId('l'));
+ var listeningTo = this._listeningTo || (this._listeningTo = {});
+ var listening = _listening = listeningTo[id];
+
+ // This object is not listening to any other events on `obj` yet.
+ // Setup the necessary references to track the listening callbacks.
+ if (!listening) {
+ this._listenId || (this._listenId = _.uniqueId('l'));
+ listening = _listening = listeningTo[id] = new Listening(this, obj);
+ }
+
+ // Bind callbacks on obj.
+ var error = tryCatchOn(obj, name, callback, this);
+ _listening = void 0;
+
+ if (error) throw error;
+ // If the target obj is not Backbone.Events, track events manually.
+ if (listening.interop) listening.on(name, callback);
+
+ return this;
+ };
+
+ // The reducing API that adds a callback to the `events` object.
+ var onApi = function(events, name, callback, options) {
+ if (callback) {
+ var handlers = events[name] || (events[name] = []);
+ var context = options.context, ctx = options.ctx, listening = options.listening;
+ if (listening) listening.count++;
+
+ handlers.push({callback: callback, context: context, ctx: context || ctx, listening: listening});
+ }
+ return events;
+ };
+
+ // An try-catch guarded #on function, to prevent poisoning the global
+ // `_listening` variable.
+ var tryCatchOn = function(obj, name, callback, context) {
+ try {
+ obj.on(name, callback, context);
+ } catch (e) {
+ return e;
+ }
+ };
+
+ // 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.
+ Events.off = function(name, callback, context) {
+ if (!this._events) return this;
+ this._events = eventsApi(offApi, this._events, name, callback, {
+ context: context,
+ listeners: this._listeners
+ });
+
+ return this;
+ };
+
+ // Tell this object to stop listening to either specific events ... or
+ // to every object it's currently listening to.
+ Events.stopListening = function(obj, name, callback) {
+ var listeningTo = this._listeningTo;
+ if (!listeningTo) return this;
+
+ var ids = obj ? [obj._listenId] : _.keys(listeningTo);
+ for (var i = 0; i < ids.length; i++) {
+ var listening = listeningTo[ids[i]];
+
+ // If listening doesn't exist, this object is not currently
+ // listening to obj. Break out early.
+ if (!listening) break;
+
+ listening.obj.off(name, callback, this);
+ if (listening.interop) listening.off(name, callback);
+ }
+ if (_.isEmpty(listeningTo)) this._listeningTo = void 0;
+
+ return this;
+ };
+
+ // The reducing API that removes a callback from the `events` object.
+ var offApi = function(events, name, callback, options) {
+ if (!events) return;
+
+ var context = options.context, listeners = options.listeners;
+ var i = 0, names;
+
+ // Delete all event listeners and "drop" events.
+ if (!name && !context && !callback) {
+ for (names = _.keys(listeners); i < names.length; i++) {
+ listeners[names[i]].cleanup();
+ }
+ return;
+ }
+
+ names = name ? [name] : _.keys(events);
+ for (; i < names.length; i++) {
+ name = names[i];
+ var handlers = events[name];
+
+ // Bail out if there are no events stored.
+ if (!handlers) break;
+
+ // Find any remaining events.
+ var remaining = [];
+ for (var j = 0; j < handlers.length; j++) {
+ var handler = handlers[j];
+ if (
+ callback && callback !== handler.callback &&
+ callback !== handler.callback._callback ||
+ context && context !== handler.context
+ ) {
+ remaining.push(handler);
+ } else {
+ var listening = handler.listening;
+ if (listening) listening.off(name, callback);
+ }
+ }
+
+ // Replace events if there are any remaining. Otherwise, clean up.
+ if (remaining.length) {
+ events[name] = remaining;
+ } else {
+ delete events[name];
+ }
+ }
+
+ return events;
+ };
+
+ // Bind an event to only be triggered a single time. After the first time
+ // the callback is invoked, its listener will be removed. If multiple events
+ // are passed in using the space-separated syntax, the handler will fire
+ // once for each event, not once for a combination of all events.
+ Events.once = function(name, callback, context) {
+ // Map the event into a `{event: once}` object.
+ var events = eventsApi(onceMap, {}, name, callback, this.off.bind(this));
+ if (typeof name === 'string' && context == null) callback = void 0;
+ return this.on(events, callback, context);
+ };
+
+ // Inversion-of-control versions of `once`.
+ Events.listenToOnce = function(obj, name, callback) {
+ // Map the event into a `{event: once}` object.
+ var events = eventsApi(onceMap, {}, name, callback, this.stopListening.bind(this, obj));
+ return this.listenTo(obj, events);
+ };
+
+ // Reduces the event callbacks into a map of `{event: onceWrapper}`.
+ // `offer` unbinds the `onceWrapper` after it has been called.
+ var onceMap = function(map, name, callback, offer) {
+ if (callback) {
+ var once = map[name] = _.once(function() {
+ offer(name, once);
+ callback.apply(this, arguments);
+ });
+ once._callback = callback;
+ }
+ return map;
+ };
+
+ // 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).
+ Events.trigger = function(name) {
+ if (!this._events) return this;
+
+ var length = Math.max(0, arguments.length - 1);
+ var args = Array(length);
+ for (var i = 0; i < length; i++) args[i] = arguments[i + 1];
+
+ eventsApi(triggerApi, this._events, name, void 0, args);
+ return this;
+ };
+
+ // Handles triggering the appropriate event callbacks.
+ var triggerApi = function(objEvents, name, callback, args) {
+ if (objEvents) {
+ var events = objEvents[name];
+ var allEvents = objEvents.all;
+ if (events && allEvents) allEvents = allEvents.slice();
+ if (events) triggerEvents(events, args);
+ if (allEvents) triggerEvents(allEvents, [name].concat(args));
+ }
+ return objEvents;
+ };
+
+ // A difficult-to-believe, but optimized internal dispatch function for
+ // triggering events. Tries to keep the usual cases speedy (most internal
+ // Backbone events have 3 arguments).
+ var triggerEvents = function(events, args) {
+ var ev, i = -1, l = events.length, a1 = args[0], a2 = args[1], a3 = args[2];
+ switch (args.length) {
+ case 0: while (++i < l) (ev = events[i]).callback.call(ev.ctx); return;
+ case 1: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1); return;
+ case 2: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2); return;
+ case 3: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2, a3); return;
+ default: while (++i < l) (ev = events[i]).callback.apply(ev.ctx, args); return;
+ }
+ };
+
+ // A listening class that tracks and cleans up memory bindings
+ // when all callbacks have been offed.
+ var Listening = function(listener, obj) {
+ this.id = listener._listenId;
+ this.listener = listener;
+ this.obj = obj;
+ this.interop = true;
+ this.count = 0;
+ this._events = void 0;
+ };
+
+ Listening.prototype.on = Events.on;
+
+ // Offs a callback (or several).
+ // Uses an optimized counter if the listenee uses Backbone.Events.
+ // Otherwise, falls back to manual tracking to support events
+ // library interop.
+ Listening.prototype.off = function(name, callback) {
+ var cleanup;
+ if (this.interop) {
+ this._events = eventsApi(offApi, this._events, name, callback, {
+ context: void 0,
+ listeners: void 0
+ });
+ cleanup = !this._events;
+ } else {
+ this.count--;
+ cleanup = this.count === 0;
+ }
+ if (cleanup) this.cleanup();
+ };
+
+ // Cleans up memory bindings between the listener and the listenee.
+ Listening.prototype.cleanup = function() {
+ delete this.listener._listeningTo[this.obj._listenId];
+ if (!this.interop) delete this.obj._listeners[this.id];
+ };
+
+ // 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
+ // --------------
+
+ // Backbone **Models** are the basic data object in the framework --
+ // frequently representing a row in a table in a database on your server.
+ // A discrete chunk of data and a bunch of useful, related methods for
+ // performing computations and transformations on that data.
+
+ // Create a new model with the specified attributes. A client id (`cid`)
+ // is automatically generated and assigned for you.
+ var Model = Backbone.Model = function(attributes, options) {
+ var attrs = attributes || {};
+ options || (options = {});
+ this.preinitialize.apply(this, arguments);
+ this.cid = _.uniqueId(this.cidPrefix);
+ this.attributes = {};
+ if (options.collection) this.collection = options.collection;
+ if (options.parse) attrs = this.parse(attrs, options) || {};
+ var defaults = _.result(this, 'defaults');
+ attrs = _.defaults(_.extend({}, defaults, attrs), defaults);
+ this.set(attrs, options);
+ this.changed = {};
+ this.initialize.apply(this, arguments);
+ };
+
+ // 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 value returned during the last failed validation.
+ validationError: null,
+
+ // The default name for the JSON `id` attribute is `"id"`. MongoDB and
+ // CouchDB users may want to set this to `"_id"`.
+ idAttribute: 'id',
+
+ // The prefix is used to create the client id which is used to identify models locally.
+ // You may want to override this if you're experiencing name clashes with model ids.
+ cidPrefix: 'c',
+
+ // preinitialize is an empty function by default. You can override it with a function
+ // or object. preinitialize will run before any instantiation logic is run in the Model.
+ preinitialize: function(){},
+
+ // 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 -- but override this if you need
+ // custom syncing semantics for *this* particular model.
+ 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;
+ },
+
+ // Special-cased proxy to underscore's `_.matches` method.
+ matches: function(attrs) {
+ return !!_.iteratee(attrs, this)(this.attributes);
+ },
+
+ // Set a hash of model attributes on the object, firing `"change"`. This is
+ // the core primitive operation of a model, updating the data and notifying
+ // anyone who needs to know about the change in state. The heart of the beast.
+ set: function(key, val, options) {
+ if (key == null) return this;
+
+ // Handle both `"key", value` and `{key: value}` -style arguments.
+ var attrs;
+ 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.
+ var unset = options.unset;
+ var silent = options.silent;
+ var changes = [];
+ var changing = this._changing;
+ this._changing = true;
+
+ if (!changing) {
+ this._previousAttributes = _.clone(this.attributes);
+ this.changed = {};
+ }
+
+ var current = this.attributes;
+ var changed = this.changed;
+ var prev = this._previousAttributes;
+
+ // For each `set` attribute, update or delete the current value.
+ for (var attr in attrs) {
+ val = attrs[attr];
+ if (!_.isEqual(current[attr], val)) changes.push(attr);
+ if (!_.isEqual(prev[attr], val)) {
+ changed[attr] = val;
+ } else {
+ delete changed[attr];
+ }
+ unset ? delete current[attr] : current[attr] = val;
+ }
+
+ // Update the `id`.
+ if (this.idAttribute in attrs) this.id = this.get(this.idAttribute);
+
+ // Trigger all relevant attribute changes.
+ if (!silent) {
+ if (changes.length) this._pending = options;
+ for (var i = 0; i < changes.length; i++) {
+ this.trigger('change:' + changes[i], this, current[changes[i]], options);
+ }
+ }
+
+ // You might be wondering why there's a `while` loop here. Changes can
+ // be recursively nested within `"change"` events.
+ if (changing) return this;
+ if (!silent) {
+ while (this._pending) {
+ options = this._pending;
+ this._pending = false;
+ this.trigger('change', this, options);
+ }
+ }
+ this._pending = false;
+ this._changing = false;
+ return this;
+ },
+
+ // Remove an attribute from the model, firing `"change"`. `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"`.
+ 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 old = this._changing ? this._previousAttributes : this.attributes;
+ var changed = {};
+ var hasChanged;
+ for (var attr in diff) {
+ var val = diff[attr];
+ if (_.isEqual(old[attr], val)) continue;
+ changed[attr] = val;
+ hasChanged = true;
+ }
+ return hasChanged ? changed : false;
+ },
+
+ // 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, merging the response with the model's
+ // local attributes. Any changed attributes will trigger a "change" event.
+ fetch: function(options) {
+ options = _.extend({parse: true}, options);
+ var model = this;
+ var success = options.success;
+ options.success = function(resp) {
+ var serverAttrs = options.parse ? model.parse(resp, options) : resp;
+ if (!model.set(serverAttrs, options)) return false;
+ if (success) success.call(options.context, model, resp, options);
+ model.trigger('sync', model, resp, options);
+ };
+ wrapError(this, options);
+ return this.sync('read', this, options);
+ },
+
+ // 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) {
+ // Handle both `"key", value` and `{key: value}` -style arguments.
+ var attrs;
+ if (key == null || typeof key === 'object') {
+ attrs = key;
+ options = val;
+ } else {
+ (attrs = {})[key] = val;
+ }
+
+ options = _.extend({validate: true, parse: true}, options);
+ var wait = options.wait;
+
+ // If we're not waiting and attributes exist, save acts as
+ // `set(attr).save(null, opts)` with validation. Otherwise, check if
+ // the model will be valid when the attributes, if any, are set.
+ if (attrs && !wait) {
+ if (!this.set(attrs, options)) return false;
+ } else if (!this._validate(attrs, 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;
+ var attributes = this.attributes;
+ options.success = function(resp) {
+ // Ensure attributes are restored during synchronous saves.
+ model.attributes = attributes;
+ var serverAttrs = options.parse ? model.parse(resp, options) : resp;
+ if (wait) serverAttrs = _.extend({}, attrs, serverAttrs);
+ if (serverAttrs && !model.set(serverAttrs, options)) return false;
+ if (success) success.call(options.context, model, resp, options);
+ model.trigger('sync', model, resp, options);
+ };
+ wrapError(this, options);
+
+ // Set temporary attributes if `{wait: true}` to properly find new ids.
+ if (attrs && wait) this.attributes = _.extend({}, attributes, attrs);
+
+ var method = this.isNew() ? 'create' : options.patch ? 'patch' : 'update';
+ if (method === 'patch' && !options.attrs) options.attrs = attrs;
+ var xhr = this.sync(method, this, options);
+
+ // Restore attributes.
+ 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 wait = options.wait;
+
+ var destroy = function() {
+ model.stopListening();
+ model.trigger('destroy', model, model.collection, options);
+ };
+
+ options.success = function(resp) {
+ if (wait) destroy();
+ if (success) success.call(options.context, model, resp, options);
+ if (!model.isNew()) model.trigger('sync', model, resp, options);
+ };
+
+ var xhr = false;
+ if (this.isNew()) {
+ _.defer(options.success);
+ } else {
+ wrapError(this, options);
+ xhr = this.sync('delete', this, options);
+ }
+ if (!wait) destroy();
+ return xhr;
+ },
+
+ // 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;
+ var id = this.get(this.idAttribute);
+ return base.replace(/[^\/]$/, '$&/') + encodeURIComponent(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.has(this.idAttribute);
+ },
+
+ // Check if the model is currently in a valid state.
+ isValid: function(options) {
+ return this._validate({}, _.extend({}, options, {validate: true}));
+ },
+
+ // Run validation against the next complete set of model attributes,
+ // returning `true` if all is well. Otherwise, fire an `"invalid"` event.
+ _validate: function(attrs, options) {
+ if (!options.validate || !this.validate) return true;
+ attrs = _.extend({}, this.attributes, attrs);
+ var error = this.validationError = this.validate(attrs, options) || null;
+ if (!error) return true;
+ this.trigger('invalid', this, error, _.extend(options, {validationError: error}));
+ return false;
+ }
+
+ });
+
+ // Backbone.Collection
+ // -------------------
+
+ // If models tend to represent a single row of data, a Backbone Collection is
+ // more analogous to a table full of data ... or a small slice or page of that
+ // table, or a collection of rows that belong together for a particular reason
+ // -- all of the messages in this particular folder, all of the documents
+ // belonging to this particular author, and so on. Collections maintain
+ // indexes of their models, both in order, and for lookup by `id`.
+
+ // Create a new **Collection**, perhaps to contain a specific type of `model`.
+ // 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 = {});
+ this.preinitialize.apply(this, arguments);
+ 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));
+ };
+
+ // Default options for `Collection#set`.
+ var setOptions = {add: true, remove: true, merge: true};
+ var addOptions = {add: true, remove: false};
+
+ // Splices `insert` into `array` at index `at`.
+ var splice = function(array, insert, at) {
+ at = Math.min(Math.max(at, 0), array.length);
+ var tail = Array(array.length - at);
+ var length = insert.length;
+ var i;
+ for (i = 0; i < tail.length; i++) tail[i] = array[i + at];
+ for (i = 0; i < length; i++) array[i + at] = insert[i];
+ for (i = 0; i < tail.length; i++) array[i + length + at] = tail[i];
+ };
+
+ // 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,
+
+
+ // preinitialize is an empty function by default. You can override it with a function
+ // or object. preinitialize will run before any instantiation logic is run in the Collection.
+ preinitialize: function(){},
+
+ // 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. `models` may be Backbone
+ // Models or raw JavaScript objects to be converted to Models, or any
+ // combination of the two.
+ add: function(models, options) {
+ return this.set(models, _.extend({merge: false}, options, addOptions));
+ },
+
+ // Remove a model, or a list of models from the set.
+ remove: function(models, options) {
+ options = _.extend({}, options);
+ var singular = !_.isArray(models);
+ models = singular ? [models] : models.slice();
+ var removed = this._removeModels(models, options);
+ if (!options.silent && removed.length) {
+ options.changes = {added: [], merged: [], removed: removed};
+ this.trigger('update', this, options);
+ }
+ return singular ? removed[0] : removed;
+ },
+
+ // Update a collection by `set`-ing a new list of models, adding new ones,
+ // removing models that are no longer present, and merging models that
+ // already exist in the collection, as necessary. Similar to **Model#set**,
+ // the core operation for updating the data contained by the collection.
+ set: function(models, options) {
+ if (models == null) return;
+
+ options = _.extend({}, setOptions, options);
+ if (options.parse && !this._isModel(models)) {
+ models = this.parse(models, options) || [];
+ }
+
+ var singular = !_.isArray(models);
+ models = singular ? [models] : models.slice();
+
+ var at = options.at;
+ if (at != null) at = +at;
+ if (at > this.length) at = this.length;
+ if (at < 0) at += this.length + 1;
+
+ var set = [];
+ var toAdd = [];
+ var toMerge = [];
+ var toRemove = [];
+ var modelMap = {};
+
+ var add = options.add;
+ var merge = options.merge;
+ var remove = options.remove;
+
+ var sort = false;
+ var sortable = this.comparator && at == null && options.sort !== false;
+ var sortAttr = _.isString(this.comparator) ? this.comparator : null;
+
+ // Turn bare objects into model references, and prevent invalid models
+ // from being added.
+ var model, i;
+ for (i = 0; i < models.length; i++) {
+ model = models[i];
+
+ // If a duplicate is found, prevent it from being added and
+ // optionally merge it into the existing model.
+ var existing = this.get(model);
+ if (existing) {
+ if (merge && model !== existing) {
+ var attrs = this._isModel(model) ? model.attributes : model;
+ if (options.parse) attrs = existing.parse(attrs, options);
+ existing.set(attrs, options);
+ toMerge.push(existing);
+ if (sortable && !sort) sort = existing.hasChanged(sortAttr);
+ }
+ if (!modelMap[existing.cid]) {
+ modelMap[existing.cid] = true;
+ set.push(existing);
+ }
+ models[i] = existing;
+
+ // If this is a new, valid model, push it to the `toAdd` list.
+ } else if (add) {
+ model = models[i] = this._prepareModel(model, options);
+ if (model) {
+ toAdd.push(model);
+ this._addReference(model, options);
+ modelMap[model.cid] = true;
+ set.push(model);
+ }
+ }
+ }
+
+ // Remove stale models.
+ if (remove) {
+ for (i = 0; i < this.length; i++) {
+ model = this.models[i];
+ if (!modelMap[model.cid]) toRemove.push(model);
+ }
+ if (toRemove.length) this._removeModels(toRemove, options);
+ }
+
+ // See if sorting is needed, update `length` and splice in new models.
+ var orderChanged = false;
+ var replace = !sortable && add && remove;
+ if (set.length && replace) {
+ orderChanged = this.length !== set.length || _.some(this.models, function(m, index) {
+ return m !== set[index];
+ });
+ this.models.length = 0;
+ splice(this.models, set, 0);
+ this.length = this.models.length;
+ } else if (toAdd.length) {
+ if (sortable) sort = true;
+ splice(this.models, toAdd, at == null ? this.length : at);
+ this.length = this.models.length;
+ }
+
+ // Silently sort the collection if appropriate.
+ if (sort) this.sort({silent: true});
+
+ // Unless silenced, it's time to fire all appropriate add/sort/update events.
+ if (!options.silent) {
+ for (i = 0; i < toAdd.length; i++) {
+ if (at != null) options.index = at + i;
+ model = toAdd[i];
+ model.trigger('add', model, this, options);
+ }
+ if (sort || orderChanged) this.trigger('sort', this, options);
+ if (toAdd.length || toRemove.length || toMerge.length) {
+ options.changes = {
+ added: toAdd,
+ removed: toRemove,
+ merged: toMerge
+ };
+ this.trigger('update', this, options);
+ }
+ }
+
+ // Return the added (or merged) model (or models).
+ return singular ? models[0] : models;
+ },
+
+ // 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 granular `add` or `remove` events. Fires `reset` when finished.
+ // Useful for bulk operations and optimizations.
+ reset: function(models, options) {
+ options = options ? _.clone(options) : {};
+ for (var i = 0; i < this.models.length; i++) {
+ this._removeReference(this.models[i], options);
+ }
+ options.previousModels = this.models;
+ this._reset();
+ models = this.add(models, _.extend({silent: true}, options));
+ if (!options.silent) this.trigger('reset', this, options);
+ return models;
+ },
+
+ // Add a model to the end of the collection.
+ push: function(model, options) {
+ return this.add(model, _.extend({at: this.length}, options));
+ },
+
+ // Remove a model from the end of the collection.
+ pop: function(options) {
+ var model = this.at(this.length - 1);
+ return this.remove(model, options);
+ },
+
+ // Add a model to the beginning of the collection.
+ unshift: function(model, options) {
+ return this.add(model, _.extend({at: 0}, options));
+ },
+
+ // Remove a model from the beginning of the collection.
+ shift: function(options) {
+ var model = this.at(0);
+ return this.remove(model, options);
+ },
+
+ // Slice out a sub-array of models from the collection.
+ slice: function() {
+ return slice.apply(this.models, arguments);
+ },
+
+ // Get a model from the set by id, cid, model object with id or cid
+ // properties, or an attributes object that is transformed through modelId.
+ get: function(obj) {
+ if (obj == null) return void 0;
+ return this._byId[obj] ||
+ this._byId[this.modelId(this._isModel(obj) ? obj.attributes : obj)] ||
+ obj.cid && this._byId[obj.cid];
+ },
+
+ // Returns `true` if the model is in the collection.
+ has: function(obj) {
+ return this.get(obj) != null;
+ },
+
+ // Get the model at the given index.
+ at: function(index) {
+ if (index < 0) index += this.length;
+ return this.models[index];
+ },
+
+ // Return models with matching attributes. Useful for simple cases of
+ // `filter`.
+ where: function(attrs, first) {
+ return this[first ? 'find' : 'filter'](attrs);
+ },
+
+ // Return the first model with matching attributes. Useful for simple cases
+ // of `find`.
+ findWhere: function(attrs) {
+ return this.where(attrs, 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) {
+ var comparator = this.comparator;
+ if (!comparator) throw new Error('Cannot sort a set without a comparator');
+ options || (options = {});
+
+ var length = comparator.length;
+ if (_.isFunction(comparator)) comparator = comparator.bind(this);
+
+ // Run sort based on type of `comparator`.
+ if (length === 1 || _.isString(comparator)) {
+ this.models = this.sortBy(comparator);
+ } else {
+ this.models.sort(comparator);
+ }
+ if (!options.silent) this.trigger('sort', this, options);
+ return this;
+ },
+
+ // Pluck an attribute from each model in the collection.
+ pluck: function(attr) {
+ return this.map(attr + '');
+ },
+
+ // Fetch the default set of models for this collection, resetting the
+ // collection when they arrive. If `reset: true` is passed, the response
+ // data will be passed through the `reset` method instead of `set`.
+ fetch: function(options) {
+ options = _.extend({parse: true}, options);
+ var success = options.success;
+ var collection = this;
+ options.success = function(resp) {
+ var method = options.reset ? 'reset' : 'set';
+ collection[method](resp, options);
+ if (success) success.call(options.context, collection, resp, options);
+ collection.trigger('sync', collection, resp, options);
+ };
+ wrapError(this, options);
+ return this.sync('read', this, options);
+ },
+
+ // Create 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) : {};
+ var wait = options.wait;
+ model = this._prepareModel(model, options);
+ if (!model) return false;
+ if (!wait) this.add(model, options);
+ var collection = this;
+ var success = options.success;
+ options.success = function(m, resp, callbackOpts) {
+ if (wait) collection.add(m, callbackOpts);
+ if (success) success.call(callbackOpts.context, m, resp, callbackOpts);
+ };
+ model.save(null, options);
+ return model;
+ },
+
+ // **parse** 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, {
+ model: this.model,
+ comparator: this.comparator
+ });
+ },
+
+ // Define how to uniquely identify models in the collection.
+ modelId: function(attrs) {
+ return attrs[this.model.prototype.idAttribute || 'id'];
+ },
+
+ // Get an iterator of all models in this collection.
+ values: function() {
+ return new CollectionIterator(this, ITERATOR_VALUES);
+ },
+
+ // Get an iterator of all model IDs in this collection.
+ keys: function() {
+ return new CollectionIterator(this, ITERATOR_KEYS);
+ },
+
+ // Get an iterator of all [ID, model] tuples in this collection.
+ entries: function() {
+ return new CollectionIterator(this, ITERATOR_KEYSVALUES);
+ },
+
+ // Private method to reset all internal state. Called when the collection
+ // is first initialized or reset.
+ _reset: function() {
+ this.length = 0;
+ this.models = [];
+ this._byId = {};
+ },
+
+ // Prepare a hash of attributes (or other model) to be added to this
+ // collection.
+ _prepareModel: function(attrs, options) {
+ if (this._isModel(attrs)) {
+ if (!attrs.collection) attrs.collection = this;
+ return attrs;
+ }
+ options = options ? _.clone(options) : {};
+ options.collection = this;
+ var model = new this.model(attrs, options);
+ if (!model.validationError) return model;
+ this.trigger('invalid', this, model.validationError, options);
+ return false;
+ },
+
+ // Internal method called by both remove and set.
+ _removeModels: function(models, options) {
+ var removed = [];
+ for (var i = 0; i < models.length; i++) {
+ var model = this.get(models[i]);
+ if (!model) continue;
+
+ var index = this.indexOf(model);
+ this.models.splice(index, 1);
+ this.length--;
+
+ // Remove references before triggering 'remove' event to prevent an
+ // infinite loop. #3693
+ delete this._byId[model.cid];
+ var id = this.modelId(model.attributes);
+ if (id != null) delete this._byId[id];
+
+ if (!options.silent) {
+ options.index = index;
+ model.trigger('remove', model, this, options);
+ }
+
+ removed.push(model);
+ this._removeReference(model, options);
+ }
+ return removed;
+ },
+
+ // Method for checking whether an object should be considered a model for
+ // the purposes of adding to the collection.
+ _isModel: function(model) {
+ return model instanceof Model;
+ },
+
+ // Internal method to create a model's ties to a collection.
+ _addReference: function(model, options) {
+ this._byId[model.cid] = model;
+ var id = this.modelId(model.attributes);
+ if (id != null) this._byId[id] = model;
+ model.on('all', this._onModelEvent, this);
+ },
+
+ // Internal method to sever a model's ties to a collection.
+ _removeReference: function(model, options) {
+ delete this._byId[model.cid];
+ var id = this.modelId(model.attributes);
+ if (id != null) delete this._byId[id];
+ if (this === model.collection) delete model.collection;
+ model.off('all', this._onModelEvent, this);
+ },
+
+ // 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 (model) {
+ if ((event === 'add' || event === 'remove') && collection !== this) return;
+ if (event === 'destroy') this.remove(model, options);
+ if (event === 'change') {
+ var prevId = this.modelId(model.previousAttributes());
+ var id = this.modelId(model.attributes);
+ if (prevId !== id) {
+ if (prevId != null) delete this._byId[prevId];
+ if (id != null) this._byId[id] = model;
+ }
+ }
+ }
+ this.trigger.apply(this, arguments);
+ }
+
+ });
+
+ // Defining an @@iterator method implements JavaScript's Iterable protocol.
+ // In modern ES2015 browsers, this value is found at Symbol.iterator.
+ /* global Symbol */
+ var $$iterator = typeof Symbol === 'function' && Symbol.iterator;
+ if ($$iterator) {
+ Collection.prototype[$$iterator] = Collection.prototype.values;
+ }
+
+ // CollectionIterator
+ // ------------------
+
+ // A CollectionIterator implements JavaScript's Iterator protocol, allowing the
+ // use of `for of` loops in modern browsers and interoperation between
+ // Backbone.Collection and other JavaScript functions and third-party libraries
+ // which can operate on Iterables.
+ var CollectionIterator = function(collection, kind) {
+ this._collection = collection;
+ this._kind = kind;
+ this._index = 0;
+ };
+
+ // This "enum" defines the three possible kinds of values which can be emitted
+ // by a CollectionIterator that correspond to the values(), keys() and entries()
+ // methods on Collection, respectively.
+ var ITERATOR_VALUES = 1;
+ var ITERATOR_KEYS = 2;
+ var ITERATOR_KEYSVALUES = 3;
+
+ // All Iterators should themselves be Iterable.
+ if ($$iterator) {
+ CollectionIterator.prototype[$$iterator] = function() {
+ return this;
+ };
+ }
+
+ CollectionIterator.prototype.next = function() {
+ if (this._collection) {
+
+ // Only continue iterating if the iterated collection is long enough.
+ if (this._index < this._collection.length) {
+ var model = this._collection.at(this._index);
+ this._index++;
+
+ // Construct a value depending on what kind of values should be iterated.
+ var value;
+ if (this._kind === ITERATOR_VALUES) {
+ value = model;
+ } else {
+ var id = this._collection.modelId(model.attributes);
+ if (this._kind === ITERATOR_KEYS) {
+ value = id;
+ } else { // ITERATOR_KEYSVALUES
+ value = [id, model];
+ }
+ }
+ return {value: value, done: false};
+ }
+
+ // Once exhausted, remove the reference to the collection so future
+ // calls to the next method always return done.
+ this._collection = void 0;
+ }
+
+ return {value: void 0, done: true};
+ };
+
+ // Backbone.View
+ // -------------
+
+ // Backbone Views are almost more convention than they are actual code. A View
+ // is simply a JavaScript object that represents a logical chunk of UI in the
+ // DOM. This might be a single item, an entire list, a sidebar or panel, or
+ // even the surrounding frame which wraps your whole app. Defining a chunk of
+ // UI as a **View** allows you to define your DOM events declaratively, without
+ // having to worry about render order ... and makes it easy for the view to
+ // react to specific changes in the state of your models.
+
+ // 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.preinitialize.apply(this, arguments);
+ _.extend(this, _.pick(options, viewOptions));
+ this._ensureElement();
+ this.initialize.apply(this, arguments);
+ };
+
+ // Cached regex to split keys for `delegate`.
+ var delegateEventSplitter = /^(\S+)\s*(.*)$/;
+
+ // List of view options to be set 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 preferred to global lookups where possible.
+ $: function(selector) {
+ return this.$el.find(selector);
+ },
+
+ // preinitialize is an empty function by default. You can override it with a function
+ // or object. preinitialize will run before any instantiation logic is run in the View
+ preinitialize: function(){},
+
+ // 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._removeElement();
+ this.stopListening();
+ return this;
+ },
+
+ // Remove this view's element from the document and all event listeners
+ // attached to it. Exposed for subclasses using an alternative DOM
+ // manipulation API.
+ _removeElement: function() {
+ this.$el.remove();
+ },
+
+ // Change the view's element (`this.el` property) and re-delegate the
+ // view's events on the new element.
+ setElement: function(element) {
+ this.undelegateEvents();
+ this._setElement(element);
+ this.delegateEvents();
+ return this;
+ },
+
+ // Creates the `this.el` and `this.$el` references for this view using the
+ // given `el`. `el` can be a CSS selector or an HTML string, a jQuery
+ // context or an element. Subclasses can override this to utilize an
+ // alternative DOM manipulation API and are only required to set the
+ // `this.el` property.
+ _setElement: function(el) {
+ this.$el = el instanceof Backbone.$ ? el : Backbone.$(el);
+ this.el = this.$el[0];
+ },
+
+ // 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`.
+ delegateEvents: function(events) {
+ events || (events = _.result(this, 'events'));
+ if (!events) return this;
+ this.undelegateEvents();
+ for (var key in events) {
+ var method = events[key];
+ if (!_.isFunction(method)) method = this[method];
+ if (!method) continue;
+ var match = key.match(delegateEventSplitter);
+ this.delegate(match[1], match[2], method.bind(this));
+ }
+ return this;
+ },
+
+ // Add a single event listener to the view's element (or a child element
+ // using `selector`). This only works for delegate-able events: not `focus`,
+ // `blur`, and not `change`, `submit`, and `reset` in Internet Explorer.
+ delegate: function(eventName, selector, listener) {
+ this.$el.on(eventName + '.delegateEvents' + this.cid, selector, listener);
+ return this;
+ },
+
+ // Clears all callbacks previously bound to the view by `delegateEvents`.
+ // You usually don't need to use this, but may wish to if you have multiple
+ // Backbone views attached to the same DOM element.
+ undelegateEvents: function() {
+ if (this.$el) this.$el.off('.delegateEvents' + this.cid);
+ return this;
+ },
+
+ // A finer-grained `undelegateEvents` for removing a single delegated event.
+ // `selector` and `listener` are both optional.
+ undelegate: function(eventName, selector, listener) {
+ this.$el.off(eventName + '.delegateEvents' + this.cid, selector, listener);
+ return this;
+ },
+
+ // Produces a DOM element to be assigned to your view. Exposed for
+ // subclasses using an alternative DOM manipulation API.
+ _createElement: function(tagName) {
+ return document.createElement(tagName);
+ },
+
+ // Ensure that the View has a DOM element to render into.
+ // If `this.el` is a string, pass it through `$()`, take the first
+ // matching element, and re-assign it to `el`. Otherwise, create
+ // an element from the `id`, `className` and `tagName` properties.
+ _ensureElement: function() {
+ if (!this.el) {
+ var attrs = _.extend({}, _.result(this, 'attributes'));
+ if (this.id) attrs.id = _.result(this, 'id');
+ if (this.className) attrs['class'] = _.result(this, 'className');
+ this.setElement(this._createElement(_.result(this, 'tagName')));
+ this._setAttributes(attrs);
+ } else {
+ this.setElement(_.result(this, 'el'));
+ }
+ },
+
+ // Set attributes from a hash on this view's element. Exposed for
+ // subclasses using an alternative DOM manipulation API.
+ _setAttributes: function(attributes) {
+ this.$el.attr(attributes);
+ }
+
+ });
+
+ // Proxy Backbone class methods to Underscore functions, wrapping the model's
+ // `attributes` object or collection's `models` array behind the scenes.
+ //
+ // collection.filter(function(model) { return model.get('age') > 10 });
+ // collection.each(this.addView);
+ //
+ // `Function#apply` can be slow so we use the method's arg count, if we know it.
+ var addMethod = function(base, length, method, attribute) {
+ switch (length) {
+ case 1: return function() {
+ return base[method](this[attribute]);
+ };
+ case 2: return function(value) {
+ return base[method](this[attribute], value);
+ };
+ case 3: return function(iteratee, context) {
+ return base[method](this[attribute], cb(iteratee, this), context);
+ };
+ case 4: return function(iteratee, defaultVal, context) {
+ return base[method](this[attribute], cb(iteratee, this), defaultVal, context);
+ };
+ default: return function() {
+ var args = slice.call(arguments);
+ args.unshift(this[attribute]);
+ return base[method].apply(base, args);
+ };
+ }
+ };
+
+ var addUnderscoreMethods = function(Class, base, methods, attribute) {
+ _.each(methods, function(length, method) {
+ if (base[method]) Class.prototype[method] = addMethod(base, length, method, attribute);
+ });
+ };
+
+ // Support `collection.sortBy('attr')` and `collection.findWhere({id: 1})`.
+ var cb = function(iteratee, instance) {
+ if (_.isFunction(iteratee)) return iteratee;
+ if (_.isObject(iteratee) && !instance._isModel(iteratee)) return modelMatcher(iteratee);
+ if (_.isString(iteratee)) return function(model) { return model.get(iteratee); };
+ return iteratee;
+ };
+ var modelMatcher = function(attrs) {
+ var matcher = _.matches(attrs);
+ return function(model) {
+ return matcher(model.attributes);
+ };
+ };
+
+ // Underscore methods that we want to implement on the Collection.
+ // 90% of the core usefulness of Backbone Collections is actually implemented
+ // right here:
+ var collectionMethods = {forEach: 3, each: 3, map: 3, collect: 3, reduce: 0,
+ foldl: 0, inject: 0, reduceRight: 0, foldr: 0, find: 3, detect: 3, filter: 3,
+ select: 3, reject: 3, every: 3, all: 3, some: 3, any: 3, include: 3, includes: 3,
+ contains: 3, invoke: 0, max: 3, min: 3, toArray: 1, size: 1, first: 3,
+ head: 3, take: 3, initial: 3, rest: 3, tail: 3, drop: 3, last: 3,
+ without: 0, difference: 0, indexOf: 3, shuffle: 1, lastIndexOf: 3,
+ isEmpty: 1, chain: 1, sample: 3, partition: 3, groupBy: 3, countBy: 3,
+ sortBy: 3, indexBy: 3, findIndex: 3, findLastIndex: 3};
+
+
+ // Underscore methods that we want to implement on the Model, mapped to the
+ // number of arguments they take.
+ var modelMethods = {keys: 1, values: 1, pairs: 1, invert: 1, pick: 0,
+ omit: 0, chain: 1, isEmpty: 1};
+
+ // Mix in each Underscore method as a proxy to `Collection#models`.
+
+ _.each([
+ [Collection, collectionMethods, 'models'],
+ [Model, modelMethods, 'attributes']
+ ], function(config) {
+ var Base = config[0],
+ methods = config[1],
+ attribute = config[2];
+
+ Base.mixin = function(obj) {
+ var mappings = _.reduce(_.functions(obj), function(memo, name) {
+ memo[name] = 0;
+ return memo;
+ }, {});
+ addUnderscoreMethods(Base, obj, mappings, attribute);
+ };
+
+ addUnderscoreMethods(Base, _, methods, attribute);
+ });
+
+ // Backbone.sync
+ // -------------
+
+ // Override this function to change the manner in which Backbone persists
+ // models to the server. You will be passed the type of request, and the
+ // model in question. By default, makes a RESTful Ajax request
+ // 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();
+ }
+
+ // 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 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} : {};
+ }
+
+ // 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);
+ };
+ }
+
+ // Don't process data on a non-GET request.
+ if (params.type !== 'GET' && !options.emulateJSON) {
+ params.processData = false;
+ }
+
+ // Pass along `textStatus` and `errorThrown` from jQuery.
+ var error = options.error;
+ options.error = function(xhr, textStatus, errorThrown) {
+ options.textStatus = textStatus;
+ options.errorThrown = errorThrown;
+ if (error) error.call(options.context, xhr, textStatus, errorThrown);
+ };
+
+ // 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;
+ };
+
+ // Map from CRUD to HTTP for our default `Backbone.sync` implementation.
+ var methodMap = {
+ create: 'POST',
+ update: 'PUT',
+ patch: 'PATCH',
+ delete: 'DELETE',
+ read: 'GET'
+ };
+
+ // Set the default implementation of `Backbone.ajax` to proxy through to `$`.
+ // Override this if you'd like to use a different library.
+ Backbone.ajax = function() {
+ return Backbone.$.ajax.apply(Backbone.$, arguments);
+ };
+
+ // Backbone.Router
+ // ---------------
+
+ // Routers map faux-URLs to actions, and fire events when routes are
+ // matched. Creating a new one sets its `routes` hash, if not set statically.
+ var Router = Backbone.Router = function(options) {
+ options || (options = {});
+ this.preinitialize.apply(this, arguments);
+ 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, {
+
+ // preinitialize is an empty function by default. You can override it with a function
+ // or object. preinitialize will run before any instantiation logic is run in the Router.
+ preinitialize: function(){},
+
+ // 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 (_.isFunction(name)) {
+ callback = name;
+ name = '';
+ }
+ if (!callback) callback = this[name];
+ var router = this;
+ Backbone.history.route(route, function(fragment) {
+ var args = router._extractParameters(route, fragment);
+ if (router.execute(callback, args, name) !== false) {
+ router.trigger.apply(router, ['route:' + name].concat(args));
+ router.trigger('route', name, args);
+ Backbone.history.trigger('route', router, name, args);
+ }
+ });
+ return this;
+ },
+
+ // Execute a route handler with the provided parameters. This is an
+ // excellent place to do pre-route setup or post-route cleanup.
+ execute: function(callback, args, name) {
+ if (callback) callback.apply(this, args);
+ },
+
+ // 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;
+ this.routes = _.result(this, 'routes');
+ 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, '(?:$1)?')
+ .replace(namedParam, function(match, optional) {
+ return optional ? match : '([^/?]+)';
+ })
+ .replace(splatParam, '([^?]*?)');
+ return new RegExp('^' + route + '(?:\\?([\\s\\S]*))?$');
+ },
+
+ // Given a route, and a URL fragment that it matches, return the array of
+ // extracted decoded parameters. Empty or unmatched parameters will be
+ // treated as `null` to normalize cross-browser behavior.
+ _extractParameters: function(route, fragment) {
+ var params = route.exec(fragment).slice(1);
+ return _.map(params, function(param, i) {
+ // Don't decode the search params.
+ if (i === params.length - 1) return param || null;
+ return param ? decodeURIComponent(param) : null;
+ });
+ }
+
+ });
+
+ // Backbone.History
+ // ----------------
+
+ // Handles cross-browser history management, based on either
+ // [pushState](http://diveintohtml5.info/history.html) and real URLs, or
+ // [onhashchange](https://developer.mozilla.org/en-US/docs/DOM/window.onhashchange)
+ // and URL fragments. If the browser supports neither (old IE, natch),
+ // falls back to polling.
+ var History = Backbone.History = function() {
+ this.handlers = [];
+ this.checkUrl = this.checkUrl.bind(this);
+
+ // Ensure that `History` can be used outside of the browser.
+ if (typeof window !== 'undefined') {
+ this.location = window.location;
+ this.history = window.history;
+ }
+ };
+
+ // 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 stripping urls of hash.
+ var pathStripper = /#.*$/;
+
+ // Has the history handling already been started?
+ History.started = false;
+
+ // Set up all inheritable **Backbone.History** properties and methods.
+ _.extend(History.prototype, Events, {
+
+ // The default interval to poll for hash changes, if necessary, is
+ // twenty times a second.
+ interval: 50,
+
+ // Are we at the app root?
+ atRoot: function() {
+ var path = this.location.pathname.replace(/[^\/]$/, '$&/');
+ return path === this.root && !this.getSearch();
+ },
+
+ // Does the pathname match the root?
+ matchRoot: function() {
+ var path = this.decodeFragment(this.location.pathname);
+ var rootPath = path.slice(0, this.root.length - 1) + '/';
+ return rootPath === this.root;
+ },
+
+ // Unicode characters in `location.pathname` are percent encoded so they're
+ // decoded for comparison. `%25` should not be decoded since it may be part
+ // of an encoded parameter.
+ decodeFragment: function(fragment) {
+ return decodeURI(fragment.replace(/%25/g, '%2525'));
+ },
+
+ // In IE6, the hash fragment and search params are incorrect if the
+ // fragment contains `?`.
+ getSearch: function() {
+ var match = this.location.href.replace(/#.*/, '').match(/\?.+/);
+ return match ? match[0] : '';
+ },
+
+ // Gets the true hash value. Cannot use location.hash directly due to bug
+ // in Firefox where location.hash will always be decoded.
+ getHash: function(window) {
+ var match = (window || this).location.href.match(/#(.*)$/);
+ return match ? match[1] : '';
+ },
+
+ // Get the pathname and search params, without the root.
+ getPath: function() {
+ var path = this.decodeFragment(
+ this.location.pathname + this.getSearch()
+ ).slice(this.root.length - 1);
+ return path.charAt(0) === '/' ? path.slice(1) : path;
+ },
+
+ // Get the cross-browser normalized URL fragment from the path or hash.
+ getFragment: function(fragment) {
+ if (fragment == null) {
+ if (this._usePushState || !this._wantsHashChange) {
+ fragment = this.getPath();
+ } 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._hasHashChange = 'onhashchange' in window && (document.documentMode === void 0 || document.documentMode > 7);
+ this._useHashChange = this._wantsHashChange && this._hasHashChange;
+ this._wantsPushState = !!this.options.pushState;
+ this._hasPushState = !!(this.history && this.history.pushState);
+ this._usePushState = this._wantsPushState && this._hasPushState;
+ this.fragment = this.getFragment();
+
+ // Normalize root to always include a leading and trailing slash.
+ this.root = ('/' + this.root + '/').replace(rootStripper, '/');
+
+ // Transition from hashChange to pushState or vice versa if both are
+ // requested.
+ if (this._wantsHashChange && this._wantsPushState) {
+
+ // 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._hasPushState && !this.atRoot()) {
+ var rootPath = this.root.slice(0, -1) || '/';
+ this.location.replace(rootPath + '#' + this.getPath());
+ // 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._hasPushState && this.atRoot()) {
+ this.navigate(this.getHash(), {replace: true});
+ }
+
+ }
+
+ // Proxy an iframe to handle location events if the browser doesn't
+ // support the `hashchange` event, HTML5 history, or the user wants
+ // `hashChange` but not `pushState`.
+ if (!this._hasHashChange && this._wantsHashChange && !this._usePushState) {
+ this.iframe = document.createElement('iframe');
+ this.iframe.src = 'javascript:0';
+ this.iframe.style.display = 'none';
+ this.iframe.tabIndex = -1;
+ var body = document.body;
+ // Using `appendChild` will throw on IE < 9 if the document is not ready.
+ var iWindow = body.insertBefore(this.iframe, body.firstChild).contentWindow;
+ iWindow.document.open();
+ iWindow.document.close();
+ iWindow.location.hash = '#' + this.fragment;
+ }
+
+ // Add a cross-platform `addEventListener` shim for older browsers.
+ var addEventListener = window.addEventListener || function(eventName, listener) {
+ return attachEvent('on' + eventName, listener);
+ };
+
+ // Depending on whether we're using pushState or hashes, and whether
+ // 'onhashchange' is supported, determine how we check the URL state.
+ if (this._usePushState) {
+ addEventListener('popstate', this.checkUrl, false);
+ } else if (this._useHashChange && !this.iframe) {
+ addEventListener('hashchange', this.checkUrl, false);
+ } else if (this._wantsHashChange) {
+ this._checkUrlInterval = setInterval(this.checkUrl, this.interval);
+ }
+
+ if (!this.options.silent) return this.loadUrl();
+ },
+
+ // Disable Backbone.history, perhaps temporarily. Not useful in a real app,
+ // but possibly useful for unit testing Routers.
+ stop: function() {
+ // Add a cross-platform `removeEventListener` shim for older browsers.
+ var removeEventListener = window.removeEventListener || function(eventName, listener) {
+ return detachEvent('on' + eventName, listener);
+ };
+
+ // Remove window listeners.
+ if (this._usePushState) {
+ removeEventListener('popstate', this.checkUrl, false);
+ } else if (this._useHashChange && !this.iframe) {
+ removeEventListener('hashchange', this.checkUrl, false);
+ }
+
+ // Clean up the iframe if necessary.
+ if (this.iframe) {
+ document.body.removeChild(this.iframe);
+ this.iframe = null;
+ }
+
+ // Some environments will throw when clearing an undefined interval.
+ if (this._checkUrlInterval) 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 the user pressed the back button, the iframe's hash will have
+ // changed and we should use that for comparison.
+ if (current === this.fragment && this.iframe) {
+ current = this.getHash(this.iframe.contentWindow);
+ }
+
+ if (current === this.fragment) return false;
+ if (this.iframe) this.navigate(current);
+ this.loadUrl();
+ },
+
+ // 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(fragment) {
+ // If the root doesn't match, no routes can match either.
+ if (!this.matchRoot()) return false;
+ fragment = this.fragment = this.getFragment(fragment);
+ return _.some(this.handlers, function(handler) {
+ if (handler.route.test(fragment)) {
+ handler.callback(fragment);
+ return true;
+ }
+ });
+ },
+
+ // 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};
+
+ // Normalize the fragment.
+ fragment = this.getFragment(fragment || '');
+
+ // Don't include a trailing slash on the root.
+ var rootPath = this.root;
+ if (fragment === '' || fragment.charAt(0) === '?') {
+ rootPath = rootPath.slice(0, -1) || '/';
+ }
+ var url = rootPath + fragment;
+
+ // Strip the fragment of the query and hash for matching.
+ fragment = fragment.replace(pathStripper, '');
+
+ // Decode for matching.
+ var decodedFragment = this.decodeFragment(fragment);
+
+ if (this.fragment === decodedFragment) return;
+ this.fragment = decodedFragment;
+
+ // If pushState is available, we use it to set the fragment as a real URL.
+ if (this._usePushState) {
+ 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.getHash(this.iframe.contentWindow)) {
+ var iWindow = this.iframe.contentWindow;
+
+ // 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) {
+ iWindow.document.open();
+ iWindow.document.close();
+ }
+
+ this._updateHash(iWindow.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) return 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;
+
+ // 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 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);
+
+ // Set the prototype chain to inherit from `parent`, without calling
+ // `parent`'s constructor function and add the prototype properties.
+ child.prototype = _.create(parent.prototype, protoProps);
+ child.prototype.constructor = child;
+
+ // Set a convenience property in case the parent's prototype is needed
+ // later.
+ child.__super__ = parent.prototype;
+
+ return child;
+ };
+
+ // 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');
+ };
+
+ // Wrap an optional error callback with a fallback error event.
+ var wrapError = function(model, options) {
+ var error = options.error;
+ options.error = function(resp) {
+ if (error) error.call(options.context, model, resp, options);
+ model.trigger('error', model, resp, options);
+ };
+ };
+
+ return Backbone;
+});
diff --git a/openid-connect-server-webapp/src/main/webapp/resources/js/lib/jquery.js b/openid-connect-server-webapp/src/main/webapp/resources/js/lib/jquery.js
index 6feb11086..b9f8937fd 100644
--- a/openid-connect-server-webapp/src/main/webapp/resources/js/lib/jquery.js
+++ b/openid-connect-server-webapp/src/main/webapp/resources/js/lib/jquery.js
@@ -1,27 +1,29 @@
/*!
- * jQuery JavaScript Library v1.11.3
- * http://jquery.com/
+ * jQuery JavaScript Library v3.6.0
+ * https://jquery.com/
*
* Includes Sizzle.js
- * http://sizzlejs.com/
+ * https://sizzlejs.com/
*
- * Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors
+ * Copyright OpenJS Foundation and other contributors
* Released under the MIT license
- * http://jquery.org/license
+ * https://jquery.org/license
*
- * Date: 2015-04-28T16:19Z
+ * Date: 2021-03-02T17:08Z
*/
+( function( global, factory ) {
-(function( global, factory ) {
+ "use strict";
if ( typeof module === "object" && typeof module.exports === "object" ) {
- // For CommonJS and CommonJS-like environments where a proper window is present,
- // execute the factory and get jQuery
- // For environments that do not inherently posses a window with a document
- // (such as Node.js), expose a jQuery-making factory as module.exports
- // This accentuates the need for the creation of a real window
+
+ // For CommonJS and CommonJS-like environments where a proper `window`
+ // is present, execute the factory and get jQuery.
+ // For environments that do not have a `window` with a `document`
+ // (such as Node.js), expose a factory as module.exports.
+ // This accentuates the need for the creation of a real `window`.
// e.g. var jQuery = require("jquery")(window);
- // See ticket #14549 for more info
+ // See ticket #14549 for more info.
module.exports = global.document ?
factory( global, true ) :
function( w ) {
@@ -35,5194 +37,5123 @@
}
// Pass this if window is not defined yet
-}(typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
+} )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
-// Can't do this because several apps including ASP.NET trace
-// the stack via arguments.caller.callee and Firefox dies if
-// you try to trace through "use strict" call chains. (#13335)
-// Support: Firefox 18+
-//
+// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
+// throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
+// arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
+// enough that all such attempts are guarded in a try block.
+ "use strict";
-var deletedIds = [];
+ var arr = [];
-var slice = deletedIds.slice;
+ var getProto = Object.getPrototypeOf;
-var concat = deletedIds.concat;
+ var slice = arr.slice;
+
+ var flat = arr.flat ? function( array ) {
+ return arr.flat.call( array );
+ } : function( array ) {
+ return arr.concat.apply( [], array );
+ };
-var push = deletedIds.push;
-var indexOf = deletedIds.indexOf;
+ var push = arr.push;
-var class2type = {};
+ var indexOf = arr.indexOf;
-var toString = class2type.toString;
+ var class2type = {};
-var hasOwn = class2type.hasOwnProperty;
+ var toString = class2type.toString;
-var support = {};
+ var hasOwn = class2type.hasOwnProperty;
+ var fnToString = hasOwn.toString;
+ var ObjectFunctionString = fnToString.call( Object );
-var
- version = "1.11.3",
+ var support = {};
- // Define a local copy of jQuery
- jQuery = function( selector, context ) {
- // The jQuery object is actually just the init constructor 'enhanced'
- // Need init if jQuery is called (just allow error to be thrown if not included)
- return new jQuery.fn.init( selector, context );
- },
+ var isFunction = function isFunction( obj ) {
- // Support: Android<4.1, IE<9
- // Make sure we trim BOM and NBSP
- rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
+ // Support: Chrome <=57, Firefox <=52
+ // In some browsers, typeof returns "function" for HTML