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- (function(factory) {
-
-
- var root = (typeof self == 'object' && self.self === self && self) ||
- (typeof global == 'object' && global.global === global && global);
-
- if (typeof define === 'function' && define.amd) {
- define(['underscore', 'jquery', 'exports'], function(_, $, exports) {
-
-
- root.Backbone = factory(root, exports, _, $);
- });
-
- } else if (typeof exports !== 'undefined') {
- var _ = require('underscore'), $;
- try { $ = require('jquery'); } catch (e) {}
- factory(root, exports, _, $);
-
- } else {
- root.Backbone = factory(root, {}, root._, (root.jQuery || root.Zepto || root.ender || root.$));
- }
- })(function(root, Backbone, _, $) {
-
-
-
-
- var previousBackbone = root.Backbone;
-
- var slice = Array.prototype.slice;
-
- Backbone.VERSION = '1.3.3';
-
-
- Backbone.$ = $;
-
-
- Backbone.noConflict = function() {
- root.Backbone = previousBackbone;
- return this;
- };
-
-
-
- Backbone.emulateHTTP = false;
-
-
-
-
- Backbone.emulateJSON = false;
-
-
-
-
-
-
-
- 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], cb(iteratee, this), context);
- };
- case 4: return function(iteratee, defaultVal, context) {
- return _[method](this[attribute], cb(iteratee, this), 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);
- });
- };
-
- 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);
- };
- };
-
-
-
-
-
-
-
-
-
-
-
-
- var Events = Backbone.Events = {};
-
- var eventSplitter = /\s+/;
-
-
-
- var eventsApi = function(iteratee, events, name, callback, opts) {
- var i = 0, names;
- if (name && typeof name === 'object') {
-
- 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)) {
-
- for (names = name.split(eventSplitter); i < names.length; i++) {
- events = iteratee(events, names[i], callback, opts);
- }
- } else {
-
- events = iteratee(events, name, callback, opts);
- }
- return events;
- };
-
-
- Events.on = function(name, callback, context) {
- return internalOn(this, name, callback, context);
- };
-
- 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;
- };
-
-
-
- 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];
-
-
- if (!listening) {
- var thisId = this._listenId || (this._listenId = _.uniqueId('l'));
- listening = listeningTo[id] = {obj: obj, objId: id, id: thisId, listeningTo: listeningTo, count: 0};
- }
-
- internalOn(obj, name, callback, this, listening);
- return this;
- };
-
- 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;
- };
-
-
-
-
- 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;
- };
-
-
- 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) break;
- listening.obj.off(name, callback, this);
- }
- return this;
- };
-
- var offApi = function(events, name, callback, options) {
- if (!events) return;
- var i = 0, listening;
- var context = options.context, listeners = options.listeners;
-
- 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];
-
- if (!handlers) break;
-
- 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];
- }
- }
- }
-
- if (remaining.length) {
- events[name] = remaining;
- } else {
- delete events[name];
- }
- }
- return events;
- };
-
-
-
-
- Events.once = function(name, callback, context) {
-
- var events = eventsApi(onceMap, {}, name, callback, _.bind(this.off, this));
- if (typeof name === 'string' && context == null) callback = void 0;
- return this.on(events, callback, context);
- };
-
- Events.listenToOnce = function(obj, name, callback) {
-
- var events = eventsApi(onceMap, {}, name, callback, _.bind(this.stopListening, this, obj));
- return this.listenTo(obj, events);
- };
-
-
- 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;
- };
-
-
-
-
- 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;
- };
-
- 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;
- };
-
-
-
- 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;
- }
- };
-
- Events.bind = Events.on;
- Events.unbind = Events.off;
-
-
- _.extend(Backbone, Events);
-
-
-
-
-
-
-
-
- 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) || {};
- var defaults = _.result(this, 'defaults');
- attrs = _.defaults(_.extend({}, defaults, attrs), defaults);
- this.set(attrs, options);
- this.changed = {};
- this.initialize.apply(this, arguments);
- };
-
- _.extend(Model.prototype, Events, {
-
- changed: null,
-
- validationError: null,
-
-
- idAttribute: 'id',
-
-
- cidPrefix: 'c',
-
-
- initialize: function(){},
-
- toJSON: function(options) {
- return _.clone(this.attributes);
- },
-
-
- sync: function() {
- return Backbone.sync.apply(this, arguments);
- },
-
- get: function(attr) {
- return this.attributes[attr];
- },
-
- escape: function(attr) {
- return _.escape(this.get(attr));
- },
-
-
- has: function(attr) {
- return this.get(attr) != null;
- },
-
- matches: function(attrs) {
- return !!_.iteratee(attrs, this)(this.attributes);
- },
-
-
-
- set: function(key, val, options) {
- if (key == null) return this;
-
- var attrs;
- if (typeof key === 'object') {
- attrs = key;
- options = val;
- } else {
- (attrs = {})[key] = val;
- }
- options || (options = {});
-
- if (!this._validate(attrs, options)) return false;
-
- 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 (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;
- }
-
- if (this.idAttribute in attrs) this.id = this.get(this.idAttribute);
-
- 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);
- }
- }
-
-
- 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;
- },
-
-
- unset: function(attr, options) {
- return this.set(attr, void 0, _.extend({}, options, {unset: true}));
- },
-
- clear: function(options) {
- var attrs = {};
- for (var key in this.attributes) attrs[key] = void 0;
- return this.set(attrs, _.extend({}, options, {unset: true}));
- },
-
-
- hasChanged: function(attr) {
- if (attr == null) return !_.isEmpty(this.changed);
- return _.has(this.changed, attr);
- },
-
-
-
-
-
-
- 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;
- },
-
-
- previous: function(attr) {
- if (attr == null || !this._previousAttributes) return null;
- return this._previousAttributes[attr];
- },
-
-
- previousAttributes: function() {
- return _.clone(this._previousAttributes);
- },
-
-
- 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);
- },
-
-
-
- save: function(key, val, options) {
-
- 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 (attrs && !wait) {
- if (!this.set(attrs, options)) return false;
- } else if (!this._validate(attrs, options)) {
- return false;
- }
-
-
- var model = this;
- var success = options.success;
- var attributes = this.attributes;
- options.success = function(resp) {
-
- 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);
-
- 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);
-
- this.attributes = attributes;
- return xhr;
- },
-
-
-
- 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;
- },
-
-
-
- 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: function(resp, options) {
- return resp;
- },
-
- clone: function() {
- return new this.constructor(this.attributes);
- },
-
- isNew: function() {
- return !this.has(this.idAttribute);
- },
-
- isValid: function(options) {
- return this._validate({}, _.extend({}, options, {validate: true}));
- },
-
-
- _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;
- }
- });
-
-
- var modelMethods = {keys: 1, values: 1, pairs: 1, invert: 1, pick: 0,
- omit: 0, chain: 1, isEmpty: 1};
-
- addUnderscoreMethods(Model, modelMethods, 'attributes');
-
-
-
-
-
-
-
-
-
-
-
- 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));
- };
-
- var setOptions = {add: true, remove: true, merge: true};
- var addOptions = {add: true, remove: false};
-
- 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];
- };
-
- _.extend(Collection.prototype, Events, {
-
-
- model: Model,
-
-
- initialize: function(){},
-
-
- toJSON: function(options) {
- return this.map(function(model) { return model.toJSON(options); });
- },
-
- sync: function() {
- return Backbone.sync.apply(this, arguments);
- },
-
-
-
- add: function(models, options) {
- return this.set(models, _.extend({merge: false}, options, addOptions));
- },
-
- 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;
- },
-
-
-
-
- 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;
-
-
- var model, i;
- for (i = 0; i < models.length; i++) {
- model = models[i];
-
-
- 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);
- }
-
- 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;
- }
-
- if (sort) this.sort({silent: true});
-
- 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 singular ? models[0] : models;
- },
-
-
-
-
- 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;
- },
-
- push: function(model, options) {
- return this.add(model, _.extend({at: this.length}, options));
- },
-
- pop: function(options) {
- var model = this.at(this.length - 1);
- return this.remove(model, options);
- },
-
- unshift: function(model, options) {
- return this.add(model, _.extend({at: 0}, options));
- },
-
- shift: function(options) {
- var model = this.at(0);
- return this.remove(model, options);
- },
-
- slice: function() {
- return slice.apply(this.models, arguments);
- },
-
-
- get: function(obj) {
- if (obj == null) return void 0;
- return this._byId[obj] ||
- this._byId[this.modelId(obj.attributes || obj)] ||
- obj.cid && this._byId[obj.cid];
- },
-
- has: function(obj) {
- return this.get(obj) != null;
- },
-
- at: function(index) {
- if (index < 0) index += this.length;
- return this.models[index];
- },
-
-
- where: function(attrs, first) {
- return this[first ? 'find' : 'filter'](attrs);
- },
-
-
- findWhere: function(attrs) {
- return this.where(attrs, true);
- },
-
-
-
- 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 = _.bind(comparator, this);
-
- 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: function(attr) {
- return this.map(attr + '');
- },
-
-
-
- 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: 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: function(resp, options) {
- return resp;
- },
-
- clone: function() {
- return new this.constructor(this.models, {
- model: this.model,
- comparator: this.comparator
- });
- },
-
- modelId: function(attrs) {
- return attrs[this.model.prototype.idAttribute || 'id'];
- },
-
-
- _reset: function() {
- this.length = 0;
- this.models = [];
- this._byId = {};
- },
-
-
- _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;
- },
-
- _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--;
-
-
- 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;
- },
-
-
- _isModel: function(model) {
- return model instanceof Model;
- },
-
- _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);
- },
-
- _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);
- },
-
-
-
-
- _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);
- }
- });
-
-
-
- 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};
-
- addUnderscoreMethods(Collection, collectionMethods, 'models');
-
-
-
-
-
-
-
-
-
-
-
- var View = Backbone.View = function(options) {
- this.cid = _.uniqueId('view');
- _.extend(this, _.pick(options, viewOptions));
- this._ensureElement();
- this.initialize.apply(this, arguments);
- };
-
- var delegateEventSplitter = /^(\S+)\s*(.*)$/;
-
- var viewOptions = ['model', 'collection', 'el', 'id', 'attributes', 'className', 'tagName', 'events'];
-
- _.extend(View.prototype, Events, {
-
- tagName: 'div',
-
-
- $: function(selector) {
- return this.$el.find(selector);
- },
-
-
- initialize: function(){},
-
-
-
- render: function() {
- return this;
- },
-
-
- remove: function() {
- this._removeElement();
- this.stopListening();
- return this;
- },
-
-
-
- _removeElement: function() {
- this.$el.remove();
- },
-
-
- setElement: function(element) {
- this.undelegateEvents();
- this._setElement(element);
- this.delegateEvents();
- return this;
- },
-
-
-
-
-
- _setElement: function(el) {
- this.$el = el instanceof Backbone.$ ? el : Backbone.$(el);
- this.el = this.$el[0];
- },
-
-
-
-
-
-
-
-
-
-
-
-
-
- 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;
- },
-
-
-
- delegate: function(eventName, selector, listener) {
- this.$el.on(eventName + '.delegateEvents' + this.cid, selector, listener);
- return this;
- },
-
-
-
- undelegateEvents: function() {
- if (this.$el) this.$el.off('.delegateEvents' + this.cid);
- return this;
- },
-
-
- undelegate: function(eventName, selector, listener) {
- this.$el.off(eventName + '.delegateEvents' + this.cid, selector, listener);
- return this;
- },
-
-
- _createElement: function(tagName) {
- return document.createElement(tagName);
- },
-
-
-
-
- _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'));
- }
- },
-
-
- _setAttributes: function(attributes) {
- this.$el.attr(attributes);
- }
- });
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- Backbone.sync = function(method, model, options) {
- var type = methodMap[method];
-
- _.defaults(options || (options = {}), {
- emulateHTTP: Backbone.emulateHTTP,
- emulateJSON: Backbone.emulateJSON
- });
-
- var params = {type: type, dataType: 'json'};
-
- if (!options.url) {
- params.url = _.result(model, 'url') || urlError();
- }
-
- if (options.data == null && model && (method === 'create' || method === 'update' || method === 'patch')) {
- params.contentType = 'application/json';
- params.data = JSON.stringify(options.attrs || model.toJSON(options));
- }
-
- if (options.emulateJSON) {
- params.contentType = 'application/x-www-form-urlencoded';
- params.data = params.data ? {model: params.data} : {};
- }
-
-
- if (options.emulateHTTP && (type === 'PUT' || type === 'DELETE' || type === 'PATCH')) {
- params.type = 'POST';
- if (options.emulateJSON) params.data._method = type;
- var beforeSend = options.beforeSend;
- options.beforeSend = function(xhr) {
- xhr.setRequestHeader('X-HTTP-Method-Override', type);
- if (beforeSend) return beforeSend.apply(this, arguments);
- };
- }
-
- if (params.type !== 'GET' && !options.emulateJSON) {
- params.processData = false;
- }
-
- var error = options.error;
- options.error = function(xhr, textStatus, errorThrown) {
- options.textStatus = textStatus;
- options.errorThrown = errorThrown;
- if (error) error.call(options.context, xhr, textStatus, errorThrown);
- };
-
- var xhr = options.xhr = Backbone.ajax(_.extend(params, options));
- model.trigger('request', model, xhr, options);
- return xhr;
- };
-
- var methodMap = {
- 'create': 'POST',
- 'update': 'PUT',
- 'patch': 'PATCH',
- 'delete': 'DELETE',
- 'read': 'GET'
- };
-
-
- Backbone.ajax = function() {
- return Backbone.$.ajax.apply(Backbone.$, arguments);
- };
-
-
-
-
- var Router = Backbone.Router = function(options) {
- options || (options = {});
- if (options.routes) this.routes = options.routes;
- this._bindRoutes();
- this.initialize.apply(this, arguments);
- };
-
-
- var optionalParam = /\((.*?)\)/g;
- var namedParam = /(\(\?)?:\w+/g;
- var splatParam = /\*\w+/g;
- var escapeRegExp = /[\-{}\[\]+?.,\\\^$|#\s]/g;
-
- _.extend(Router.prototype, Events, {
-
-
- initialize: function(){},
-
-
-
-
-
-
- route: function(route, name, callback) {
- if (!_.isRegExp(route)) route = this._routeToRegExp(route);
- if (_.isFunction(name)) {
- callback = name;
- name = '';
- }
- if (!callback) callback = this[name];
- var router = this;
- Backbone.history.route(route, function(fragment) {
- var args = router._extractParameters(route, fragment);
- if (router.execute(callback, args, name) !== false) {
- router.trigger.apply(router, ['route:' + name].concat(args));
- router.trigger('route', name, args);
- Backbone.history.trigger('route', router, name, args);
- }
- });
- return this;
- },
-
-
- execute: function(callback, args, name) {
- if (callback) callback.apply(this, args);
- },
-
- navigate: function(fragment, options) {
- Backbone.history.navigate(fragment, options);
- return this;
- },
-
-
-
- _bindRoutes: function() {
- if (!this.routes) return;
- this.routes = _.result(this, 'routes');
- var route, routes = _.keys(this.routes);
- while ((route = routes.pop()) != null) {
- this.route(route, this.routes[route]);
- }
- },
-
-
- _routeToRegExp: function(route) {
- route = route.replace(escapeRegExp, '\\$&')
- .replace(optionalParam, '(?:$1)?')
- .replace(namedParam, function(match, optional) {
- return optional ? match : '([^/?]+)';
- })
- .replace(splatParam, '([^?]*?)');
- return new RegExp('^' + route + '(?:\\?([\\s\\S]*))?$');
- },
-
-
-
- _extractParameters: function(route, fragment) {
- var params = route.exec(fragment).slice(1);
- return _.map(params, function(param, i) {
-
- if (i === params.length - 1) return param || null;
- return param ? decodeURIComponent(param) : null;
- });
- }
- });
-
-
-
-
-
-
-
- var History = Backbone.History = function() {
- this.handlers = [];
- this.checkUrl = _.bind(this.checkUrl, this);
-
- if (typeof window !== 'undefined') {
- this.location = window.location;
- this.history = window.history;
- }
- };
-
- var routeStripper = /^[#\/]|\s+$/g;
-
- var rootStripper = /^\/+|\/+$/g;
-
- var pathStripper = /#.*$/;
-
- History.started = false;
-
- _.extend(History.prototype, Events, {
-
-
- interval: 50,
-
- atRoot: function() {
- var path = this.location.pathname.replace(/[^\/]$/, '$&/');
- return path === this.root && !this.getSearch();
- },
-
- matchRoot: function() {
- var path = this.decodeFragment(this.location.pathname);
- var rootPath = path.slice(0, this.root.length - 1) + '/';
- return rootPath === this.root;
- },
-
-
-
- decodeFragment: function(fragment) {
- return decodeURI(fragment.replace(/%25/g, '%2525'));
- },
-
-
- getSearch: function() {
- var match = this.location.href.replace(/#.*/, '').match(/\?.+/);
- return match ? match[0] : '';
- },
-
-
- getHash: function(window) {
- var match = (window || this).location.href.match(/#(.*)$/);
- return match ? match[1] : '';
- },
-
- getPath: function() {
- var path = this.decodeFragment(
- this.location.pathname + this.getSearch()
- ).slice(this.root.length - 1);
- return path.charAt(0) === '/' ? path.slice(1) : path;
- },
-
- getFragment: function(fragment) {
- if (fragment == null) {
- if (this._usePushState || !this._wantsHashChange) {
- fragment = this.getPath();
- } else {
- fragment = this.getHash();
- }
- }
- return fragment.replace(routeStripper, '');
- },
-
-
- start: function(options) {
- if (History.started) throw new Error('Backbone.history has already been started');
- History.started = true;
-
-
- 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();
-
- this.root = ('/' + this.root + '/').replace(rootStripper, '/');
-
-
- if (this._wantsHashChange && this._wantsPushState) {
-
-
- if (!this._hasPushState && !this.atRoot()) {
- var rootPath = this.root.slice(0, -1) || '/';
- this.location.replace(rootPath + '#' + this.getPath());
-
- return true;
-
-
- } else if (this._hasPushState && this.atRoot()) {
- this.navigate(this.getHash(), {replace: true});
- }
- }
-
-
-
- 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;
-
- var iWindow = body.insertBefore(this.iframe, body.firstChild).contentWindow;
- iWindow.document.open();
- iWindow.document.close();
- iWindow.location.hash = '#' + this.fragment;
- }
-
- var addEventListener = window.addEventListener || function(eventName, listener) {
- return attachEvent('on' + eventName, listener);
- };
-
-
- 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();
- },
-
-
- stop: function() {
-
- var removeEventListener = window.removeEventListener || function(eventName, listener) {
- return detachEvent('on' + eventName, listener);
- };
-
- if (this._usePushState) {
- removeEventListener('popstate', this.checkUrl, false);
- } else if (this._useHashChange && !this.iframe) {
- removeEventListener('hashchange', this.checkUrl, false);
- }
-
- if (this.iframe) {
- document.body.removeChild(this.iframe);
- this.iframe = null;
- }
-
- if (this._checkUrlInterval) clearInterval(this._checkUrlInterval);
- History.started = false;
- },
-
-
- route: function(route, callback) {
- this.handlers.unshift({route: route, callback: callback});
- },
-
-
- checkUrl: function(e) {
- var current = this.getFragment();
-
-
- 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();
- },
-
-
-
- loadUrl: function(fragment) {
-
- 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;
- }
- });
- },
-
-
-
-
-
-
-
- navigate: function(fragment, options) {
- if (!History.started) return false;
- if (!options || options === true) options = {trigger: !!options};
-
- fragment = this.getFragment(fragment || '');
-
- var rootPath = this.root;
- if (fragment === '' || fragment.charAt(0) === '?') {
- rootPath = rootPath.slice(0, -1) || '/';
- }
- var url = rootPath + fragment;
-
- fragment = this.decodeFragment(fragment.replace(pathStripper, ''));
- if (this.fragment === fragment) return;
- this.fragment = fragment;
-
- if (this._usePushState) {
- this.history[options.replace ? 'replaceState' : 'pushState']({}, document.title, url);
-
-
- } 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;
-
-
-
- if (!options.replace) {
- iWindow.document.open();
- iWindow.document.close();
- }
- this._updateHash(iWindow.location, fragment, options.replace);
- }
-
-
- } else {
- return this.location.assign(url);
- }
- if (options.trigger) return this.loadUrl(fragment);
- },
-
-
- _updateHash: function(location, fragment, replace) {
- if (replace) {
- var href = location.href.replace(/(javascript:|#).*$/, '');
- location.replace(href + '#' + fragment);
- } else {
-
- location.hash = '#' + fragment;
- }
- }
- });
-
- Backbone.history = new History;
-
-
-
-
-
- var extend = function(protoProps, staticProps) {
- var parent = this;
- var child;
-
-
-
- if (protoProps && _.has(protoProps, 'constructor')) {
- child = protoProps.constructor;
- } else {
- child = function(){ return parent.apply(this, arguments); };
- }
-
- _.extend(child, parent, staticProps);
-
-
- child.prototype = _.create(parent.prototype, protoProps);
- child.prototype.constructor = child;
-
-
- child.__super__ = parent.prototype;
- return child;
- };
-
- Model.extend = Collection.extend = Router.extend = View.extend = History.extend = extend;
-
- var urlError = function() {
- throw new Error('A "url" property or function must be specified');
- };
-
- 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;
- });
|