diff --git a/background.html b/background.html index aa2338ac..24230620 100644 --- a/background.html +++ b/background.html @@ -30,6 +30,10 @@ + + + + diff --git a/css/buttons.css b/css/buttons.css new file mode 100644 index 00000000..cec16d5e --- /dev/null +++ b/css/buttons.css @@ -0,0 +1,26 @@ +.btn span { + display: inline-block; + padding: 0.5em; + border: 2px solid #7fd0ed; + border-radius: 4px; +} +.btn { + border-radius: 4px; + background-color: #fff; + padding: 2px; + border: none; +} +.btn:hover, .btn:focus { + cursor: pointer; + outline: none; + background-color: #f1fafd; +} +.btn:active { + outline: 2px dashed #acdbf5; +} +.btn.selected span, +.btn:active span { + background-color: #7fd0ed; + border: 2px solid #acdbf5; + color: #fff; +} diff --git a/css/conversation.css b/css/conversation.css new file mode 100644 index 00000000..80936384 --- /dev/null +++ b/css/conversation.css @@ -0,0 +1,176 @@ +.conversation { + position: relative; + max-width: 400px; + margin: auto; + padding: 1em; + border-radius: 10px; + border: 2px solid #acdbf5; + background-color: #7fd0ed; + color: #fff; + margin-bottom: 0.5em; + -webkit-animation-duration: 1s; + -webkit-animation-name: convoopen; +} + +.conversation.closed { + background-color: #fff; + color: #7fd0ed; + -webkit-animation-duration: 1s; + -webkit-animation-name: convoclose; +} +@-webkit-keyframes convoclose { + from { background-color: #7fd0ed; } + to { background-color: #fff; } +} +@-webkit-keyframes convoopen { + from { background-color: #fff; } + to { background-color: #7fd0ed; } +} + +.conversation.closed:hover { + background-color: #f1fafd; + cursor: pointer; + -webkit-animation-duration: 1s; + -webkit-animation-name: hovercolorfadein; +} +.conversation.closed:not(hover) { + -webkit-animation-duration: 1s; + -webkit-animation-name: hovercolorfadeout; +} +@-webkit-keyframes hovercolorfadein { + from { background-color: #fff; } + to { background-color: #f1fafd; } +} +@-webkit-keyframes hovercolorfadeout { + from { background-color: #f1fafd; } + to { background-color: #fff; } +} + +.conversation .header { + padding: 0.3em 0.6em 0.3em 46px; +} +.avatar { + position: absolute; + top: 8px; + left: 10px; + display: inline-block; + background-color: #fff; + border: 2px solid #acdbf5; + width: 40px; + height: 40px; + border-radius: 40px; + float: left; +} + +.conversation .header span { + display: inline-block; +} + +.collapsable { + background-color: #fff; + border: 2px solid #acdbf5; + padding: 1em 0em; + line-height: 1.2em; + font-family: sans-serif; + border-radius: 30px; +} + +.messages + form { + text-align: right; +} + +.conversation form { + margin-top: 0.5em; +} + +.message-text { + display: block; + padding: 0.5em 0.6em 0em; +} + +.metadata { + display: block; + color: #cccccc; + font-size: 0.70em; + padding: 0.2em 0.6em; + visibility: hidden; +} +.bubble:hover .metadata { + visibility: visible; +} + +.bubble { + display: inline-block; + background-color: #fafafa; + color: #333333; + border: 2px solid #7fd0ed; + position: relative; + border-radius: 8px; +} + +.sending .bubble { + opacity: 0.7; +} + +.incoming .bubble { + background-color: #ffffff; + float: left; +} +.incoming .bubble:after, .incoming .bubble:before { + content: ''; + display: block; + position: absolute; + width: 0; + height: 0; + top: 11px; + left: -0.8em; + border-right: solid 0.5em #ffffff; + border-top: solid 7px transparent; + border-left: solid 0.4em transparent; + border-bottom: solid 7px transparent; +} + +.outgoing .bubble { + float: right; + background-color: #f5feff; +} +.outgoing .bubble:after, .outgoing .bubble:before { + content: ''; + display: block; + position: absolute; + width: 0; + height: 0; + top: 11px; + right: -0.8em; + border-top: solid 7px transparent; + border-right: solid 0.4em transparent; + border-bottom: solid 7px transparent; +} + +.outgoing .bubble:after { + border-left: solid 0.5em #f5feff; +} +.outgoing .bubble:before { + border-left: solid 0.5em #7fd0ed; + right: -0.9em; +} + +.incoming .bubble:before { + border-right: solid 0.5em #7fd0ed; + left: -0.9em; +} + +.outgoing .bubble, .outgoing .metadata { + text-align: right; +} + +.message { + padding: 0.3em 11.63636px; +} + +.message:after { + content: ''; + display: block; + height: 0; + clear: both; +} diff --git a/css/forms.css b/css/forms.css new file mode 100644 index 00000000..6d203151 --- /dev/null +++ b/css/forms.css @@ -0,0 +1,25 @@ +input[type=text], textarea { + position: relative; + display: inline-block; + padding: 7px; + border: 2px solid #7fd0ed; + border-radius: 4px; + background-color: #fafafa; + color: #333333; +} + + +input[type=text]:focus { + outline: 2px dashed #acdbf5; + outline-offset: 2px; +} + +textarea { + resize: vertical; + width: 100%; + min-height: 100px; + box-sizing: border-box; + font-family: Helvetica, Arial, sans-serif; + font-size: 14px; + line-height: 18px; +} diff --git a/css/popup.css b/css/popup.css new file mode 100644 index 00000000..bf29813f --- /dev/null +++ b/css/popup.css @@ -0,0 +1,99 @@ +/* + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program. If not, see . + */ + +.clearfix:before, .clearfix:after { content: "\0020"; display: block; height: 0; overflow: hidden; } +.clearfix:after { clear: both; } +.clearfix { zoom: 1; } + +body { + margin: 0; + min-width: 400px; + min-height: 500px; + font-family: sans-serif; + color: #333; +} + +.container { + max-width: 960px; + margin: auto; + padding: 0 1em; +} + +header { + padding: 5px 0; +} + +form.compose { + position: relative; +} + +label { + float: left; + margin-right: 1em; +} + +form.compose input[type=text], form.compose textarea { + margin: 0.5em 0; +} +#send input[type=submit] { + float: right; +} + +#popup_send_numbers { + margin-bottom: 0; +} + +#popup_send_numbers:focus + .contacts, +.contacts:hover { + display: block; + z-index: 10; +} + +.contacts { + display: none; + position: absolute; + left: 10px; +} + +.contact { + border: solid 1px #ccc; + background: #fff; + font-size: 88%; + padding-right: 5px; + cursor: pointer; +} + +.contact .pic { + display: block; + float: left; + width: 30px; + height: 30px; + background: #ddd; +} + +.contact .name, .contact .number { + line-height: 30px; + margin-left: 5px; +} + +ul { + margin: 0; + padding: 0; +} +li { + list-style: none; +} + +/* Formatting */ diff --git a/js-deps/backbone.js b/js-deps/backbone.js new file mode 100644 index 00000000..28e9e30e --- /dev/null +++ b/js-deps/backbone.js @@ -0,0 +1,1700 @@ +// Backbone.js 1.1.2 + +// (c) 2010-2014 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors +// Backbone may be freely distributed under the MIT license. +// For all details and documentation: +// http://backbonejs.org + +(function(root, factory) { + + // 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, _, $); + }); + + // Next for Node.js or CommonJS. jQuery may not be needed as a module. + } else if (typeof exports !== 'undefined') { + var _ = require('underscore'); + factory(root, exports, _); + + // Finally, as a browser global. + } else { + root.Backbone = factory(root, {}, root._, (root.jQuery || root.Zepto || root.ender || root.$)); + } + +}(this, function(root, Backbone, _, $) { + + // Initial Setup + // ------------- + + // Save the previous value of the `Backbone` variable, so that it can be + // restored later on, if `noConflict` is used. + var previousBackbone = root.Backbone; + + // Create local references to array methods we'll want to use later. + var array = []; + var slice = array.slice; + + // Current version of the library. Keep in sync with `package.json`. + Backbone.VERSION = '1.1.2'; + + // For Backbone's purposes, jQuery, Zepto, Ender, or My Library (kidding) owns + // the `$` 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 ... will encode the body as + // `application/x-www-form-urlencoded` instead and will send the model in a + // form param named `model`. + Backbone.emulateJSON = false; + + // Backbone.Events + // --------------- + + // A module that can be mixed in to *any object* in order to provide it with + // custom events. You may bind with `on` or remove with `off` callback + // functions to an event; `trigger`-ing an event fires all callbacks in + // succession. + // + // var object = {}; + // _.extend(object, Backbone.Events); + // object.on('expand', function(){ alert('expanded'); }); + // object.trigger('expand'); + // + var Events = Backbone.Events = { + + // Bind an event to a `callback` function. Passing `"all"` will bind + // the callback to all events fired. + on: function(name, callback, context) { + if (!eventsApi(this, 'on', name, [callback, context]) || !callback) return this; + this._events || (this._events = {}); + var events = this._events[name] || (this._events[name] = []); + events.push({callback: callback, context: context, ctx: context || this}); + return this; + }, + + // Bind an event to only be triggered a single time. After the first time + // the callback is invoked, it will be removed. + once: function(name, callback, context) { + if (!eventsApi(this, 'once', name, [callback, context]) || !callback) return this; + var self = this; + var once = _.once(function() { + self.off(name, once); + callback.apply(this, arguments); + }); + once._callback = callback; + return this.on(name, once, context); + }, + + // Remove one or many callbacks. If `context` is null, removes all + // callbacks with that function. If `callback` is null, removes all + // callbacks for the event. If `name` is null, removes all bound + // callbacks for all events. + off: function(name, callback, context) { + if (!this._events || !eventsApi(this, 'off', name, [callback, context])) return this; + + // Remove all callbacks for all events. + if (!name && !callback && !context) { + this._events = void 0; + return this; + } + + var names = name ? [name] : _.keys(this._events); + for (var i = 0, length = names.length; i < length; i++) { + name = names[i]; + + // Bail out if there are no events stored. + var events = this._events[name]; + if (!events) continue; + + // Remove all callbacks for this event. + if (!callback && !context) { + delete this._events[name]; + continue; + } + + // Find any remaining events. + var remaining = []; + for (var j = 0, k = events.length; j < k; j++) { + var event = events[j]; + if ( + callback && callback !== event.callback && + callback !== event.callback._callback || + context && context !== event.context + ) { + remaining.push(event); + } + } + + // Replace events if there are any remaining. Otherwise, clean up. + if (remaining.length) { + this._events[name] = remaining; + } else { + delete this._events[name]; + } + } + + return this; + }, + + // Trigger one or many events, firing all bound callbacks. Callbacks are + // passed the same arguments as `trigger` is, apart from the event name + // (unless you're listening on `"all"`, which will cause your callback to + // receive the true name of the event as the first argument). + trigger: function(name) { + if (!this._events) return this; + var args = slice.call(arguments, 1); + if (!eventsApi(this, 'trigger', name, args)) return this; + var events = this._events[name]; + var allEvents = this._events.all; + if (events) triggerEvents(events, args); + if (allEvents) triggerEvents(allEvents, arguments); + return this; + }, + + // Tell this object to stop listening to either specific events ... or + // to every object it's currently listening to. + stopListening: function(obj, name, callback) { + var listeningTo = this._listeningTo; + if (!listeningTo) return this; + var remove = !name && !callback; + if (!callback && typeof name === 'object') callback = this; + if (obj) (listeningTo = {})[obj._listenId] = obj; + for (var id in listeningTo) { + obj = listeningTo[id]; + obj.off(name, callback, this); + if (remove || _.isEmpty(obj._events)) delete this._listeningTo[id]; + } + return this; + } + + }; + + // Regular expression used to split event strings. + var eventSplitter = /\s+/; + + // Implement fancy features of the Events API such as multiple event + // names `"change blur"` and jQuery-style event maps `{change: action}` + // in terms of the existing API. + var eventsApi = function(obj, action, name, rest) { + if (!name) return true; + + // Handle event maps. + if (typeof name === 'object') { + for (var key in name) { + obj[action].apply(obj, [key, name[key]].concat(rest)); + } + return false; + } + + // Handle space separated event names. + if (eventSplitter.test(name)) { + var names = name.split(eventSplitter); + for (var i = 0, length = names.length; i < length; i++) { + obj[action].apply(obj, [names[i]].concat(rest)); + } + return false; + } + + return true; + }; + + // 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; + } + }; + + var listenMethods = {listenTo: 'on', listenToOnce: 'once'}; + + // Inversion-of-control versions of `on` and `once`. Tell *this* object to + // listen to an event in another object ... keeping track of what it's + // listening to. + _.each(listenMethods, function(implementation, method) { + Events[method] = function(obj, name, callback) { + var listeningTo = this._listeningTo || (this._listeningTo = {}); + var id = obj._listenId || (obj._listenId = _.uniqueId('l')); + listeningTo[id] = obj; + if (!callback && typeof name === 'object') callback = this; + obj[implementation](name, callback, this); + return this; + }; + }); + + // Aliases for backwards compatibility. + Events.bind = Events.on; + Events.unbind = Events.off; + + // Allow the `Backbone` object to serve as a global event bus, for folks who + // want global "pubsub" in a convenient place. + _.extend(Backbone, Events); + + // Backbone.Model + // -------------- + + // 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('c'); + 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', + + // 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; + }, + + // 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) { + var attr, attrs, unset, changes, silent, changing, prev, current; + if (key == null) return this; + + // Handle both `"key", value` and `{key: value}` -style arguments. + if (typeof key === 'object') { + attrs = key; + options = val; + } else { + (attrs = {})[key] = val; + } + + options || (options = {}); + + // Run validation. + if (!this._validate(attrs, options)) return false; + + // Extract attributes and options. + unset = options.unset; + silent = options.silent; + changes = []; + changing = this._changing; + this._changing = true; + + if (!changing) { + this._previousAttributes = _.clone(this.attributes); + this.changed = {}; + } + current = this.attributes, prev = this._previousAttributes; + + // Check for changes of `id`. + if (this.idAttribute in attrs) this.id = attrs[this.idAttribute]; + + // For each `set` attribute, update or delete the current value. + for (attr in attrs) { + val = attrs[attr]; + if (!_.isEqual(current[attr], val)) changes.push(attr); + if (!_.isEqual(prev[attr], val)) { + this.changed[attr] = val; + } else { + delete this.changed[attr]; + } + unset ? delete current[attr] : current[attr] = val; + } + + // Trigger all relevant attribute changes. + if (!silent) { + if (changes.length) this._pending = options; + for (var i = 0, length = changes.length; i < 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 val, changed = false; + var old = this._changing ? this._previousAttributes : this.attributes; + for (var attr in diff) { + if (_.isEqual(old[attr], (val = diff[attr]))) continue; + (changed || (changed = {}))[attr] = val; + } + return changed; + }, + + // Get the previous value of an attribute, recorded at the time the last + // `"change"` event was fired. + previous: function(attr) { + if (attr == null || !this._previousAttributes) return null; + return this._previousAttributes[attr]; + }, + + // Get all of the attributes of the model at the time of the previous + // `"change"` event. + previousAttributes: function() { + return _.clone(this._previousAttributes); + }, + + // Fetch the model from the server. If the server's representation of the + // model differs from its current attributes, they will be overridden, + // triggering a `"change"` event. + fetch: function(options) { + options = options ? _.clone(options) : {}; + if (options.parse === void 0) options.parse = true; + var model = this; + var success = options.success; + options.success = function(resp) { + if (!model.set(model.parse(resp, options), options)) return false; + if (success) success(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) { + var attrs, method, xhr, attributes = this.attributes; + + // Handle both `"key", value` and `{key: value}` -style arguments. + if (key == null || typeof key === 'object') { + attrs = key; + options = val; + } else { + (attrs = {})[key] = val; + } + + options = _.extend({validate: true}, options); + + // 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 && !options.wait) { + if (!this.set(attrs, options)) return false; + } else { + if (!this._validate(attrs, options)) return false; + } + + // Set temporary attributes if `{wait: true}`. + if (attrs && options.wait) { + this.attributes = _.extend({}, attributes, attrs); + } + + // After a successful server-side save, the client is (optionally) + // updated with the server-side state. + if (options.parse === void 0) options.parse = true; + var model = this; + var success = options.success; + options.success = function(resp) { + // Ensure attributes are restored during synchronous saves. + model.attributes = attributes; + var serverAttrs = model.parse(resp, options); + if (options.wait) serverAttrs = _.extend(attrs || {}, serverAttrs); + if (_.isObject(serverAttrs) && !model.set(serverAttrs, options)) { + return false; + } + if (success) success(model, resp, options); + model.trigger('sync', model, resp, options); + }; + wrapError(this, options); + + method = this.isNew() ? 'create' : (options.patch ? 'patch' : 'update'); + if (method === 'patch') options.attrs = attrs; + xhr = this.sync(method, this, options); + + // Restore attributes. + if (attrs && options.wait) this.attributes = attributes; + + return xhr; + }, + + // Destroy this model on the server if it was already persisted. + // Optimistically removes the model from its collection, if it has one. + // If `wait: true` is passed, waits for the server to respond before removal. + destroy: function(options) { + options = options ? _.clone(options) : {}; + var model = this; + var success = options.success; + + var destroy = function() { + model.trigger('destroy', model, model.collection, options); + }; + + options.success = function(resp) { + if (options.wait || model.isNew()) destroy(); + if (success) success(model, resp, options); + if (!model.isNew()) model.trigger('sync', model, resp, options); + }; + + if (this.isNew()) { + options.success(); + return false; + } + wrapError(this, options); + + var xhr = this.sync('delete', this, options); + if (!options.wait) destroy(); + return xhr; + }, + + // Default URL for the model's representation on the server -- if you're + // using Backbone's restful methods, override this to change the endpoint + // that will be called. + url: function() { + var base = + _.result(this, 'urlRoot') || + _.result(this.collection, 'url') || + urlError(); + if (this.isNew()) return base; + return base.replace(/([^\/])$/, '$1/') + encodeURIComponent(this.id); + }, + + // **parse** converts a response into the hash of attributes to be `set` on + // the model. The default implementation is just to pass the response along. + parse: function(resp, options) { + return resp; + }, + + // Create a new model with identical attributes to this one. + clone: function() { + return new this.constructor(this.attributes); + }, + + // A model is new if it has never been saved to the server, and lacks an id. + isNew: function() { + return !this.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; + } + + }); + + // Underscore methods that we want to implement on the Model. + var modelMethods = ['keys', 'values', 'pairs', 'invert', 'pick', 'omit']; + + // Mix in each Underscore method as a proxy to `Model#attributes`. + _.each(modelMethods, function(method) { + if (!_[method]) return; + Model.prototype[method] = function() { + var args = slice.call(arguments); + args.unshift(this.attributes); + return _[method].apply(_, args); + }; + }); + + // 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) { + var singular = !_.isArray(models); + models = singular ? [models] : _.clone(models); + options || (options = {}); + for (var i = 0, length = models.length; i < length; i++) { + var model = models[i] = this.get(models[i]); + if (!model) continue; + delete this._byId[model.id]; + delete this._byId[model.cid]; + var index = this.indexOf(model); + this.models.splice(index, 1); + this.length--; + if (!options.silent) { + options.index = index; + model.trigger('remove', model, this, options); + } + this._removeReference(model, options); + } + return singular ? models[0] : models; + }, + + // 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) 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; + 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; + + // Turn bare objects into model references, and prevent invalid models + // from being added. + for (var i = 0, length = models.length; i < length; i++) { + attrs = models[i] || {}; + if (this._isModel(attrs)) { + id = model = attrs; + } else { + id = attrs[this.model.prototype.idAttribute || 'id']; + } + + // If a duplicate is found, prevent it from being added and + // optionally merge it into the existing model. + if (existing = this.get(id)) { + if (remove) modelMap[existing.cid] = true; + if (merge) { + attrs = attrs === model ? model.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; + if (order && (model.isNew() || !modelMap[model.id])) order.push(model); + modelMap[model.id] = true; + } + + // Remove nonexistent models if appropriate. + if (remove) { + for (var i = 0, length = this.length; i < length; i++) { + if (!modelMap[(model = this.models[i]).cid]) toRemove.push(model); + } + if (toRemove.length) this.remove(toRemove, options); + } + + // See if sorting is needed, update `length` and splice in new models. + if (toAdd.length || (order && order.length)) { + if (sortable) sort = true; + this.length += toAdd.length; + if (at != null) { + for (var i = 0, length = toAdd.length; i < 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, length = orderedModels.length; i < 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) { + for (var i = 0, length = toAdd.length; i < length; i++) { + (model = toAdd[i]).trigger('add', model, this, options); + } + if (sort || (order && order.length)) this.trigger('sort', 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 = {}); + for (var i = 0, length = this.models.length; i < 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); + this.remove(model, options); + return model; + }, + + // 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); + this.remove(model, options); + return model; + }, + + // 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; + return this._byId[obj] || this._byId[obj.id] || this._byId[obj.cid]; + }, + + // Get the model at the given index. + at: function(index) { + return this.models[index]; + }, + + // Return models with matching attributes. Useful for simple cases of + // `filter`. + where: function(attrs, first) { + if (_.isEmpty(attrs)) return first ? void 0 : []; + return this[first ? 'find' : 'filter'](function(model) { + for (var key in attrs) { + if (attrs[key] !== model.get(key)) return false; + } + return true; + }); + }, + + // 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 = options ? _.clone(options) : {}; + if (options.parse === void 0) options.parse = true; + var success = options.success; + var collection = this; + options.success = function(resp) { + var method = options.reset ? 'reset' : 'set'; + collection[method](resp, options); + if (success) success(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) : {}; + if (!(model = this._prepareModel(model, options))) return false; + if (!options.wait) this.add(model, options); + var collection = this; + var success = options.success; + options.success = function(model, resp) { + if (options.wait) collection.add(model, options); + if (success) success(model, resp, options); + }; + model.save(null, options); + return model; + }, + + // **parse** converts a response into a list of models to be added to the + // collection. The default implementation is just to pass it through. + parse: function(resp, options) { + return resp; + }, + + // Create a new collection with an identical list of models as this one. + clone: function() { + return new this.constructor(this.models, { + model: this.model, + comparator: this.comparator + }); + }, + + // 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; + }, + + // 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; + if (model.id != null) this._byId[model.id] = model; + model.on('all', this._onModelEvent, this); + }, + + // Internal method to sever a model's ties to a collection. + _removeReference: function(model, options) { + if (this === model.collection) delete model.collection; + model.off('all', this._onModelEvent, this); + }, + + // Internal method called every time a model in the set fires an event. + // Sets need to update their indexes when models change ids. All other + // events simply proxy through. "add" and "remove" events that originate + // in other collections are ignored. + _onModelEvent: function(event, model, collection, options) { + if ((event === 'add' || event === 'remove') && collection !== this) return; + if (event === 'destroy') this.remove(model, options); + if (model && event === 'change:' + model.idAttribute) { + delete this._byId[model.previous(model.idAttribute)]; + if (model.id != null) this._byId[model.id] = model; + } + this.trigger.apply(this, arguments); + } + + }); + + // Underscore methods that we want to implement on the Collection. + // 90% of the core usefulness of Backbone Collections is actually implemented + // right here: + var methods = ['forEach', 'each', 'map', 'collect', 'reduce', 'foldl', + 'inject', 'reduceRight', 'foldr', 'find', 'detect', 'filter', 'select', + 'reject', 'every', 'all', 'some', 'any', 'include', 'contains', 'invoke', + 'max', 'min', 'toArray', 'size', 'first', 'head', 'take', 'initial', 'rest', + 'tail', 'drop', 'last', 'without', 'difference', 'indexOf', 'shuffle', + 'lastIndexOf', 'isEmpty', 'chain', 'sample', 'partition']; + + // Mix in each Underscore method as a proxy to `Collection#models`. + _.each(methods, function(method) { + if (!_[method]) return; + Collection.prototype[method] = function() { + var args = slice.call(arguments); + args.unshift(this.models); + return _[method].apply(_, args); + }; + }); + + // Underscore methods that take a property name as an argument. + var attributeMethods = ['groupBy', 'countBy', 'sortBy', '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'); + options || (options = {}); + _.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` and a hash of `attributes`. `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) { + if (!(events || (events = _.result(this, 'events')))) return this; + this.undelegateEvents(); + for (var key in events) { + var method = events[key]; + if (!_.isFunction(method)) method = this[events[key]]; + 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.$el.on(eventName + '.delegateEvents' + this.cid, selector, listener); + }, + + // Clears all callbacks previously bound to the view by `delegateEvents`. + // You usually don't need to use this, but may wish to if you have multiple + // Backbone views attached to the same DOM element. + undelegateEvents: function() { + if (this.$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); + }, + + // 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; + } + + // If we're sending a `PATCH` request, and we're in an old Internet Explorer + // that still has ActiveX enabled by default, override jQuery to use that + // for XHR instead. Remove this line when jQuery supports `PATCH` on IE8. + if (params.type === 'PATCH' && noXhrPatch) { + params.xhr = function() { + return new ActiveXObject("Microsoft.XMLHTTP"); + }; + } + + // 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.apply(this, arguments); + }; + + // Make the request, allowing the user to override any Ajax options. + var xhr = options.xhr = Backbone.ajax(_.extend(params, options)); + model.trigger('request', model, xhr, options); + return xhr; + }; + + var noXhrPatch = + typeof window !== 'undefined' && !!window.ActiveXObject && + !(window.XMLHttpRequest && (new XMLHttpRequest).dispatchEvent); + + // 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 = /#.*$/; + + // Has the history handling already been started? + History.started = false; + + // Set up all inheritable **Backbone.History** properties and methods. + _.extend(History.prototype, Events, { + + // The default interval to poll for hash changes, if necessary, is + // twenty times a second. + interval: 50, + + // Are we at the app root? + atRoot: function() { + var path = this.location.pathname.replace(/[^\/]$/, '$&/'); + return path === this.root && !this.location.search; + }, + + // Gets the true hash value. Cannot use location.hash directly due to bug + // in Firefox where location.hash will always be decoded. + getHash: function(window) { + var match = (window || this).location.href.match(/#(.*)$/); + return match ? match[1] : ''; + }, + + // Get the pathname and search params, without the root. + getPath: function() { + var path = decodeURI(this.location.pathname + this.location.search); + var root = this.root.slice(0, -1); + if (!path.indexOf(root)) path = path.slice(root.length); + return path.slice(1); + }, + + // Get the cross-browser normalized URL fragment from the path or hash. + getFragment: function(fragment) { + if (fragment == null) { + if (this._hasPushState || !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._wantsPushState = !!this.options.pushState; + this._hasPushState = !!(this.options.pushState && this.history && this.history.pushState); + this.fragment = this.getFragment(); + + // Add a cross-platform `addEventListener` shim for older browsers. + var addEventListener = window.addEventListener || function (eventName, listener) { + return attachEvent('on' + eventName, listener); + }; + + // Normalize root to always include a leading and trailing slash. + this.root = ('/' + this.root + '/').replace(rootStripper, '/'); + + // 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._wantsPushState || !this._hasPushState)) { + var iframe = document.createElement('iframe'); + iframe.src = 'javascript:0'; + iframe.style.display = 'none'; + iframe.tabIndex = -1; + var body = document.body; + // Using `appendChild` will throw on IE < 9 if the document is not ready. + this.iframe = body.insertBefore(iframe, body.firstChild).contentWindow; + this.navigate(this.fragment); + } + + // Depending on whether we're using pushState or hashes, and whether + // 'onhashchange' is supported, determine how we check the URL state. + if (this._hasPushState) { + addEventListener('popstate', this.checkUrl, false); + } else if (this._wantsHashChange && this._hasHashChange && !this.iframe) { + addEventListener('hashchange', this.checkUrl, false); + } else if (this._wantsHashChange) { + this._checkUrlInterval = setInterval(this.checkUrl, this.interval); + } + + // 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()) { + this.location.replace(this.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}); + } + + } + + 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._hasPushState) { + removeEventListener('popstate', this.checkUrl, false); + } else if (this._wantsHashChange && this._hasHashChange && !this.iframe) { + removeEventListener('hashchange', this.checkUrl, false); + } + + // Clean up the iframe if necessary. + if (this.iframe) { + document.body.removeChild(this.iframe.frameElement); + 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 (current === this.fragment && this.iframe) { + current = this.getHash(this.iframe); + } + 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) { + 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}; + + var url = this.root + (fragment = this.getFragment(fragment || '')); + + // Strip the hash and decode for matching. + fragment = decodeURI(fragment.replace(pathStripper, '')); + + if (this.fragment === fragment) return; + this.fragment = fragment; + + // Don't include a trailing slash on the root. + if (fragment === '' && url !== '/') url = url.slice(0, -1); + + // If pushState is available, we use it to set the fragment as a real URL. + if (this._hasPushState) { + this.history[options.replace ? 'replaceState' : 'pushState']({}, document.title, url); + + // If hash changes haven't been explicitly disabled, update the hash + // fragment to store history. + } else if (this._wantsHashChange) { + this._updateHash(this.location, fragment, options.replace); + if (this.iframe && (fragment !== this.getHash(this.iframe))) { + // Opening and closing the iframe tricks IE7 and earlier to push a + // history entry on hash-tag change. When replace is true, we don't + // want this. + if(!options.replace) this.iframe.document.open().close(); + this._updateHash(this.iframe.location, fragment, options.replace); + } + + // If you've told us that you explicitly don't want fallback hashchange- + // based history, then `navigate` becomes a page refresh. + } else { + return this.location.assign(url); + } + if (options.trigger) 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's constructor. + if (protoProps && _.has(protoProps, 'constructor')) { + child = protoProps.constructor; + } else { + child = function(){ return parent.apply(this, arguments); }; + } + + // Add static properties to the constructor function, if supplied. + _.extend(child, parent, staticProps); + + // Set the prototype chain to inherit from `parent`, without calling + // `parent`'s constructor function. + var Surrogate = function(){ this.constructor = child; }; + Surrogate.prototype = parent.prototype; + child.prototype = new Surrogate; + + // Add prototype properties (instance properties) to the subclass, + // if supplied. + if (protoProps) _.extend(child.prototype, protoProps); + + // 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(model, resp, options); + model.trigger('error', model, resp, options); + }; + }; + + return Backbone; + +})); diff --git a/js-deps/backbone.localStorage.js b/js-deps/backbone.localStorage.js new file mode 100644 index 00000000..e801c965 --- /dev/null +++ b/js-deps/backbone.localStorage.js @@ -0,0 +1,247 @@ +/** + * Backbone localStorage Adapter + * Version 1.1.7 + * + * https://github.com/jeromegn/Backbone.localStorage + */ +(function (root, factory) { + if (typeof exports === 'object' && typeof require === 'function') { + module.exports = factory(require("backbone")); + } else if (typeof define === "function" && define.amd) { + // AMD. Register as an anonymous module. + define(["backbone"], function(Backbone) { + // Use global variables if the locals are undefined. + return factory(Backbone || root.Backbone); + }); + } else { + factory(Backbone); + } +}(this, function(Backbone) { +// A simple module to replace `Backbone.sync` with *localStorage*-based +// persistence. Models are given GUIDS, and saved into a JSON object. Simple +// as that. + +// Hold reference to Underscore.js and Backbone.js in the closure in order +// to make things work even if they are removed from the global namespace + +// Generate four random hex digits. +function S4() { + return (((1+Math.random())*0x10000)|0).toString(16).substring(1); +}; + +// Generate a pseudo-GUID by concatenating random hexadecimal. +function guid() { + return (S4()+S4()+"-"+S4()+"-"+S4()+"-"+S4()+"-"+S4()+S4()+S4()); +}; + +function contains(array, item) { + var i = array.length; + while (i--) if (array[i] === item) return true; + return false; +} + +function extend(obj, props) { + for (var key in props) obj[key] = props[key] + return obj; +} + +// Our Store is represented by a single JS object in *localStorage*. Create it +// with a meaningful name, like the name you'd give a table. +// window.Store is deprectated, use Backbone.LocalStorage instead +Backbone.LocalStorage = window.Store = function(name, serializer) { + if( !this.localStorage ) { + throw "Backbone.localStorage: Environment does not support localStorage." + } + this.name = name; + this.serializer = serializer || { + serialize: function(item) { + return _.isObject(item) ? JSON.stringify(item) : item; + }, + // fix for "illegal access" error on Android when JSON.parse is passed null + deserialize: function (data) { + return data && JSON.parse(data); + } + }; + var store = this.localStorage().getItem(this.name); + this.records = (store && store.split(",")) || []; +}; + +extend(Backbone.LocalStorage.prototype, { + + // Save the current state of the **Store** to *localStorage*. + save: function() { + this.localStorage().setItem(this.name, this.records.join(",")); + }, + + // Add a model, giving it a (hopefully)-unique GUID, if it doesn't already + // have an id of it's own. + create: function(model) { + if (!model.id) { + model.id = guid(); + model.set(model.idAttribute, model.id); + } + this.localStorage().setItem(this.name+"-"+model.id, this.serializer.serialize(model)); + this.records.push(model.id.toString()); + this.save(); + return this.find(model) !== false; + }, + + // Update a model by replacing its copy in `this.data`. + update: function(model) { + this.localStorage().setItem(this.name+"-"+model.id, this.serializer.serialize(model)); + var modelId = model.id.toString(); + if (!contains(this.records, modelId)) { + this.records.push(modelId); + this.save(); + } + return this.find(model) !== false; + }, + + // Retrieve a model from `this.data` by id. + find: function(model) { + return this.serializer.deserialize(this.localStorage().getItem(this.name+"-"+model.id)); + }, + + // Return the array of all models currently in storage. + findAll: function() { + var result = []; + for (var i = 0, id, data; i < this.records.length; i++) { + id = this.records[i]; + data = this.serializer.deserialize(this.localStorage().getItem(this.name+"-"+id)); + if (data != null) result.push(data); + } + return result; + }, + + // Delete a model from `this.data`, returning it. + destroy: function(model) { + if (model.isNew()) + return false + this.localStorage().removeItem(this.name+"-"+model.id); + var modelId = model.id.toString(); + for (var i = 0, id; i < this.records.length; i++) { + if (this.records[i] === modelId) { + this.records.splice(i, 1); + } + } + this.save(); + return model; + }, + + localStorage: function() { + return localStorage; + }, + + // Clear localStorage for specific collection. + _clear: function() { + var local = this.localStorage(), + itemRe = new RegExp("^" + this.name + "-"); + + // Remove id-tracking item (e.g., "foo"). + local.removeItem(this.name); + + // Match all data items (e.g., "foo-ID") and remove. + for (var k in local) { + if (itemRe.test(k)) { + local.removeItem(k); + } + } + + this.records.length = 0; + }, + + // Size of localStorage. + _storageSize: function() { + return this.localStorage().length; + } + +}); + +// localSync delegate to the model or collection's +// *localStorage* property, which should be an instance of `Store`. +// window.Store.sync and Backbone.localSync is deprecated, use Backbone.LocalStorage.sync instead +Backbone.LocalStorage.sync = window.Store.sync = Backbone.localSync = function(method, model, options) { + var store = model.localStorage || model.collection.localStorage; + + var resp, errorMessage; + //If $ is having Deferred - use it. + var syncDfd = Backbone.$ ? + (Backbone.$.Deferred && Backbone.$.Deferred()) : + (Backbone.Deferred && Backbone.Deferred()); + + try { + + switch (method) { + case "read": + resp = model.id != undefined ? store.find(model) : store.findAll(); + break; + case "create": + resp = store.create(model); + break; + case "update": + resp = store.update(model); + break; + case "delete": + resp = store.destroy(model); + break; + } + + } catch(error) { + if (error.code === 22 && store._storageSize() === 0) + errorMessage = "Private browsing is unsupported"; + else + errorMessage = error.message; + } + + if (resp) { + if (options && options.success) { + if (Backbone.VERSION === "0.9.10") { + options.success(model, resp, options); + } else { + options.success(resp); + } + } + if (syncDfd) { + syncDfd.resolve(resp); + } + + } else { + errorMessage = errorMessage ? errorMessage + : "Record Not Found"; + + if (options && options.error) + if (Backbone.VERSION === "0.9.10") { + options.error(model, errorMessage, options); + } else { + options.error(errorMessage); + } + + if (syncDfd) + syncDfd.reject(errorMessage); + } + + // add compatibility with $.ajax + // always execute callback for success and error + if (options && options.complete) options.complete(resp); + + return syncDfd && syncDfd.promise(); +}; + +Backbone.ajaxSync = Backbone.sync; + +Backbone.getSyncMethod = function(model) { + if(model.localStorage || (model.collection && model.collection.localStorage)) { + return Backbone.localSync; + } + + return Backbone.ajaxSync; +}; + +// Override 'Backbone.sync' to default to localSync, +// the original 'Backbone.sync' is still available in 'Backbone.ajaxSync' +Backbone.sync = function(method, model, options) { + return Backbone.getSyncMethod(model).apply(this, [method, model, options]); +}; + +return Backbone.LocalStorage; +})); diff --git a/js-deps/underscore.js b/js-deps/underscore.js new file mode 100644 index 00000000..776c5c5a --- /dev/null +++ b/js-deps/underscore.js @@ -0,0 +1,1352 @@ +// Underscore.js 1.6.0 +// http://underscorejs.org +// (c) 2009-2014 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors +// Underscore may be freely distributed under the MIT license. + +(function() { + + // Baseline setup + // -------------- + + // Establish the root object, `window` in the browser, or `exports` on the server. + var root = this; + + // Save the previous value of the `_` variable. + var previousUnderscore = root._; + + // Establish the object that gets returned to break out of a loop iteration. + var breaker = {}; + + // Save bytes in the minified (but not gzipped) version: + var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype; + + // Create quick reference variables for speed access to core prototypes. + var + push = ArrayProto.push, + slice = ArrayProto.slice, + concat = ArrayProto.concat, + toString = ObjProto.toString, + hasOwnProperty = ObjProto.hasOwnProperty; + + // All **ECMAScript 5** native function implementations that we hope to use + // are declared here. + var + nativeIsArray = Array.isArray, + nativeKeys = Object.keys, + nativeBind = FuncProto.bind; + + // Create a safe reference to the Underscore object for use below. + var _ = function(obj) { + if (obj instanceof _) return obj; + if (!(this instanceof _)) return new _(obj); + this._wrapped = obj; + }; + + // Export the Underscore object for **Node.js**, with + // backwards-compatibility for the old `require()` API. If we're in + // the browser, add `_` as a global object via a string identifier, + // for Closure Compiler "advanced" mode. + if (typeof exports !== 'undefined') { + if (typeof module !== 'undefined' && module.exports) { + exports = module.exports = _; + } + exports._ = _; + } else { + root._ = _; + } + + // Current version. + _.VERSION = '1.6.0'; + + // Collection Functions + // -------------------- + + // The cornerstone, an `each` implementation, aka `forEach`. + // Handles raw objects in addition to array-likes. Treats all + // sparse array-likes as if they were dense. + _.each = _.forEach = function(obj, iterator, context) { + if (obj == null) return obj; + if (obj.length === +obj.length) { + for (var i = 0, length = obj.length; i < length; i++) { + if (iterator.call(context, obj[i], i, obj) === breaker) return; + } + } else { + var keys = _.keys(obj); + for (var i = 0, length = keys.length; i < length; i++) { + if (iterator.call(context, obj[keys[i]], keys[i], obj) === breaker) return; + } + } + return obj; + }; + + // Return the results of applying the iterator to each element. + _.map = _.collect = function(obj, iterator, context) { + var results = []; + if (obj == null) return results; + _.each(obj, function(value, index, list) { + results.push(iterator.call(context, value, index, list)); + }); + return results; + }; + + var reduceError = 'Reduce of empty array with no initial value'; + + // **Reduce** builds up a single result from a list of values, aka `inject`, + // or `foldl`. + _.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) { + var initial = arguments.length > 2; + if (obj == null) obj = []; + _.each(obj, function(value, index, list) { + if (!initial) { + memo = value; + initial = true; + } else { + memo = iterator.call(context, memo, value, index, list); + } + }); + if (!initial) throw new TypeError(reduceError); + return memo; + }; + + // The right-associative version of reduce, also known as `foldr`. + _.reduceRight = _.foldr = function(obj, iterator, memo, context) { + var initial = arguments.length > 2; + if (obj == null) obj = []; + var length = obj.length; + if (length !== +length) { + var keys = _.keys(obj); + length = keys.length; + } + _.each(obj, function(value, index, list) { + index = keys ? keys[--length] : --length; + if (!initial) { + memo = obj[index]; + initial = true; + } else { + memo = iterator.call(context, memo, obj[index], index, list); + } + }); + if (!initial) throw new TypeError(reduceError); + return memo; + }; + + // Return the first value which passes a truth test. Aliased as `detect`. + _.find = _.detect = function(obj, predicate, context) { + var result; + _.some(obj, function(value, index, list) { + if (predicate.call(context, value, index, list)) { + result = value; + return true; + } + }); + return result; + }; + + // Return all the elements that pass a truth test. + // Aliased as `select`. + _.filter = _.select = function(obj, predicate, context) { + var results = []; + if (obj == null) return results; + _.each(obj, function(value, index, list) { + if (predicate.call(context, value, index, list)) results.push(value); + }); + return results; + }; + + // Return all the elements for which a truth test fails. + _.reject = function(obj, predicate, context) { + return _.filter(obj, _.negate(predicate), context); + }; + + // Determine whether all of the elements match a truth test. + // Aliased as `all`. + _.every = _.all = function(obj, predicate, context) { + predicate || (predicate = _.identity); + var result = true; + if (obj == null) return result; + _.each(obj, function(value, index, list) { + if (!(result = result && predicate.call(context, value, index, list))) return breaker; + }); + return !!result; + }; + + // Determine if at least one element in the object matches a truth test. + // Aliased as `any`. + _.some = _.any = function(obj, predicate, context) { + predicate || (predicate = _.identity); + var result = false; + if (obj == null) return result; + _.each(obj, function(value, index, list) { + if (result || (result = predicate.call(context, value, index, list))) return breaker; + }); + return !!result; + }; + + // Determine if the array or object contains a given value (using `===`). + // Aliased as `include`. + _.contains = _.include = function(obj, target) { + if (obj == null) return false; + if (obj.length === +obj.length) return _.indexOf(obj, target) >= 0; + return _.some(obj, function(value) { + return value === target; + }); + }; + + // Invoke a method (with arguments) on every item in a collection. + _.invoke = function(obj, method) { + var args = slice.call(arguments, 2); + var isFunc = _.isFunction(method); + return _.map(obj, function(value) { + return (isFunc ? method : value[method]).apply(value, args); + }); + }; + + // Convenience version of a common use case of `map`: fetching a property. + _.pluck = function(obj, key) { + return _.map(obj, _.property(key)); + }; + + // Convenience version of a common use case of `filter`: selecting only objects + // containing specific `key:value` pairs. + _.where = function(obj, attrs) { + return _.filter(obj, _.matches(attrs)); + }; + + // Convenience version of a common use case of `find`: getting the first object + // containing specific `key:value` pairs. + _.findWhere = function(obj, attrs) { + return _.find(obj, _.matches(attrs)); + }; + + // Return the maximum element or (element-based computation). + _.max = function(obj, iterator, context) { + var result = -Infinity, lastComputed = -Infinity, + value, computed; + if (!iterator && _.isArray(obj)) { + for (var i = 0, length = obj.length; i < length; i++) { + value = obj[i]; + if (value > result) { + result = value; + } + } + } else { + _.each(obj, function(value, index, list) { + computed = iterator ? iterator.call(context, value, index, list) : value; + if (computed > lastComputed || (computed === -Infinity && result === -Infinity)) { + result = value; + lastComputed = computed; + } + }); + } + return result; + }; + + // Return the minimum element (or element-based computation). + _.min = function(obj, iterator, context) { + var result = Infinity, lastComputed = Infinity, + value, computed; + if (!iterator && _.isArray(obj)) { + for (var i = 0, length = obj.length; i < length; i++) { + value = obj[i]; + if (value < result) { + result = value; + } + } + } else { + _.each(obj, function(value, index, list) { + computed = iterator ? iterator.call(context, value, index, list) : value; + if (computed < lastComputed || (computed === Infinity && result === Infinity)) { + result = value; + lastComputed = computed; + } + }); + } + return result; + }; + + // Shuffle an array, using the modern version of the + // [Fisher-Yates shuffle](http://en.wikipedia.org/wiki/Fisher–Yates_shuffle). + _.shuffle = function(obj) { + var rand; + var index = 0; + var shuffled = []; + _.each(obj, function(value) { + rand = _.random(index++); + shuffled[index - 1] = shuffled[rand]; + shuffled[rand] = value; + }); + return shuffled; + }; + + // Sample **n** random values from a collection. + // If **n** is not specified, returns a single random element. + // The internal `guard` argument allows it to work with `map`. + _.sample = function(obj, n, guard) { + if (n == null || guard) { + if (obj.length !== +obj.length) obj = _.values(obj); + return obj[_.random(obj.length - 1)]; + } + return _.shuffle(obj).slice(0, Math.max(0, n)); + }; + + // An internal function to generate lookup iterators. + var lookupIterator = function(value, context) { + if (value == null) return _.identity; + if (!_.isFunction(value)) return _.property(value); + if (!context) return value; + return function() { + return value.apply(context, arguments); + }; + }; + + // Sort the object's values by a criterion produced by an iterator. + _.sortBy = function(obj, iterator, context) { + iterator = lookupIterator(iterator, context); + return _.pluck(_.map(obj, function(value, index, list) { + return { + value: value, + index: index, + criteria: iterator(value, index, list) + }; + }).sort(function(left, right) { + var a = left.criteria; + var b = right.criteria; + if (a !== b) { + if (a > b || a === void 0) return 1; + if (a < b || b === void 0) return -1; + } + return left.index - right.index; + }), 'value'); + }; + + // An internal function used for aggregate "group by" operations. + var group = function(behavior) { + return function(obj, iterator, context) { + var result = {}; + iterator = lookupIterator(iterator, context); + _.each(obj, function(value, index) { + var key = iterator(value, index, obj); + behavior(result, value, key); + }); + return result; + }; + }; + + // Groups the object's values by a criterion. Pass either a string attribute + // to group by, or a function that returns the criterion. + _.groupBy = group(function(result, value, key) { + _.has(result, key) ? result[key].push(value) : result[key] = [value]; + }); + + // Indexes the object's values by a criterion, similar to `groupBy`, but for + // when you know that your index values will be unique. + _.indexBy = group(function(result, value, key) { + result[key] = value; + }); + + // Counts instances of an object that group by a certain criterion. Pass + // either a string attribute to count by, or a function that returns the + // criterion. + _.countBy = group(function(result, value, key) { + _.has(result, key) ? result[key]++ : result[key] = 1; + }); + + // Use a comparator function to figure out the smallest index at which + // an object should be inserted so as to maintain order. Uses binary search. + _.sortedIndex = function(array, obj, iterator, context) { + iterator = lookupIterator(iterator, context); + var value = iterator(obj); + var low = 0, high = array.length; + while (low < high) { + var mid = (low + high) >>> 1; + iterator(array[mid]) < value ? low = mid + 1 : high = mid; + } + return low; + }; + + // Safely create a real, live array from anything iterable. + _.toArray = function(obj) { + if (!obj) return []; + if (_.isArray(obj)) return slice.call(obj); + if (obj.length === +obj.length) return _.map(obj, _.identity); + return _.values(obj); + }; + + // Return the number of elements in an object. + _.size = function(obj) { + if (obj == null) return 0; + return (obj.length === +obj.length) ? obj.length : _.keys(obj).length; + }; + + // Array Functions + // --------------- + + // Get the first element of an array. Passing **n** will return the first N + // values in the array. Aliased as `head` and `take`. The **guard** check + // allows it to work with `_.map`. + _.first = _.head = _.take = function(array, n, guard) { + if (array == null) return void 0; + if ((n == null) || guard) return array[0]; + if (n < 0) return []; + return slice.call(array, 0, n); + }; + + // Returns everything but the last entry of the array. Especially useful on + // the arguments object. Passing **n** will return all the values in + // the array, excluding the last N. The **guard** check allows it to work with + // `_.map`. + _.initial = function(array, n, guard) { + return slice.call(array, 0, Math.max(0, array.length - (n == null || guard ? 1 : n))); + }; + + // Get the last element of an array. Passing **n** will return the last N + // values in the array. The **guard** check allows it to work with `_.map`. + _.last = function(array, n, guard) { + if (array == null) return void 0; + if ((n == null) || guard) return array[array.length - 1]; + return slice.call(array, Math.max(array.length - n, 0)); + }; + + // Returns everything but the first entry of the array. Aliased as `tail` and `drop`. + // Especially useful on the arguments object. Passing an **n** will return + // the rest N values in the array. The **guard** + // check allows it to work with `_.map`. + _.rest = _.tail = _.drop = function(array, n, guard) { + return slice.call(array, (n == null) || guard ? 1 : n); + }; + + // Trim out all falsy values from an array. + _.compact = function(array) { + return _.filter(array, _.identity); + }; + + // Internal implementation of a recursive `flatten` function. + var flatten = function(input, shallow, strict, output) { + if (shallow && _.every(input, _.isArray)) { + return concat.apply(output, input); + } + for (var i = 0, length = input.length; i < length; i++) { + var value = input[i]; + if (!_.isArray(value) && !_.isArguments(value)) { + if (!strict) output.push(value); + } else if (shallow) { + push.apply(output, value); + } else { + flatten(value, shallow, strict, output); + } + } + return output; + }; + + // Flatten out an array, either recursively (by default), or just one level. + _.flatten = function(array, shallow) { + return flatten(array, shallow, false, []); + }; + + // Return a version of the array that does not contain the specified value(s). + _.without = function(array) { + return _.difference(array, slice.call(arguments, 1)); + }; + + // Split an array into two arrays: one whose elements all satisfy the given + // predicate, and one whose elements all do not satisfy the predicate. + _.partition = function(obj, predicate, context) { + predicate = lookupIterator(predicate, context); + var pass = [], fail = []; + _.each(obj, function(value, key, obj) { + (predicate(value, key, obj) ? pass : fail).push(value); + }); + return [pass, fail]; + }; + + // Produce a duplicate-free version of the array. If the array has already + // been sorted, you have the option of using a faster algorithm. + // Aliased as `unique`. + _.uniq = _.unique = function(array, isSorted, iterator, context) { + if (array == null) return []; + if (_.isFunction(isSorted)) { + context = iterator; + iterator = isSorted; + isSorted = false; + } + var result = []; + var seen = []; + for (var i = 0, length = array.length; i < length; i++) { + var value = array[i]; + if (iterator) value = iterator.call(context, value, i, array); + if (isSorted ? (!i || seen !== value) : !_.contains(seen, value)) { + if (isSorted) seen = value; + else seen.push(value); + result.push(array[i]); + } + } + return result; + }; + + // Produce an array that contains the union: each distinct element from all of + // the passed-in arrays. + _.union = function() { + return _.uniq(flatten(arguments, true, true, [])); + }; + + // Produce an array that contains every item shared between all the + // passed-in arrays. + _.intersection = function(array) { + if (array == null) return []; + var result = []; + var argsLength = arguments.length; + for (var i = 0, length = array.length; i < length; i++) { + var item = array[i]; + if (_.contains(result, item)) continue; + for (var j = 1; j < argsLength; j++) { + if (!_.contains(arguments[j], item)) break; + } + if (j === argsLength) result.push(item); + } + return result; + }; + + // Take the difference between one array and a number of other arrays. + // Only the elements present in just the first array will remain. + _.difference = function(array) { + var rest = flatten(slice.call(arguments, 1), true, true, []); + return _.filter(array, function(value){ return !_.contains(rest, value); }); + }; + + // Zip together multiple lists into a single array -- elements that share + // an index go together. + _.zip = function() { + var length = _.max(_.pluck(arguments, 'length').concat(0)); + var results = new Array(length); + for (var i = 0; i < length; i++) { + results[i] = _.pluck(arguments, '' + i); + } + return results; + }; + + // Converts lists into objects. Pass either a single array of `[key, value]` + // pairs, or two parallel arrays of the same length -- one of keys, and one of + // the corresponding values. + _.object = function(list, values) { + if (list == null) return {}; + var result = {}; + for (var i = 0, length = list.length; i < length; i++) { + if (values) { + result[list[i]] = values[i]; + } else { + result[list[i][0]] = list[i][1]; + } + } + return result; + }; + + // Return the position of the first occurrence of an item in an array, + // or -1 if the item is not included in the array. + // If the array is large and already in sort order, pass `true` + // for **isSorted** to use binary search. + _.indexOf = function(array, item, isSorted) { + if (array == null) return -1; + var i = 0, length = array.length; + if (isSorted) { + if (typeof isSorted == 'number') { + i = (isSorted < 0 ? Math.max(0, length + isSorted) : isSorted); + } else { + i = _.sortedIndex(array, item); + return array[i] === item ? i : -1; + } + } + for (; i < length; i++) if (array[i] === item) return i; + return -1; + }; + + _.lastIndexOf = function(array, item, from) { + if (array == null) return -1; + var i = from == null ? array.length : from; + while (i--) if (array[i] === item) return i; + return -1; + }; + + // Generate an integer Array containing an arithmetic progression. A port of + // the native Python `range()` function. See + // [the Python documentation](http://docs.python.org/library/functions.html#range). + _.range = function(start, stop, step) { + if (arguments.length <= 1) { + stop = start || 0; + start = 0; + } + step = arguments[2] || 1; + + var length = Math.max(Math.ceil((stop - start) / step), 0); + var idx = 0; + var range = new Array(length); + + while(idx < length) { + range[idx++] = start; + start += step; + } + + return range; + }; + + // Function (ahem) Functions + // ------------------ + + // Reusable constructor function for prototype setting. + var ctor = function(){}; + + // Create a function bound to a given object (assigning `this`, and arguments, + // optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if + // available. + _.bind = function(func, context) { + var args, bound; + if (nativeBind && func.bind === nativeBind) return nativeBind.apply(func, slice.call(arguments, 1)); + if (!_.isFunction(func)) throw new TypeError('Bind must be called on a function'); + args = slice.call(arguments, 2); + return bound = function() { + if (!(this instanceof bound)) return func.apply(context, args.concat(slice.call(arguments))); + ctor.prototype = func.prototype; + var self = new ctor; + ctor.prototype = null; + var result = func.apply(self, args.concat(slice.call(arguments))); + if (Object(result) === result) return result; + return self; + }; + }; + + // Partially apply a function by creating a version that has had some of its + // arguments pre-filled, without changing its dynamic `this` context. _ acts + // as a placeholder, allowing any combination of arguments to be pre-filled. + _.partial = function(func) { + var boundArgs = slice.call(arguments, 1); + return function() { + var position = 0; + var args = boundArgs.slice(); + for (var i = 0, length = args.length; i < length; i++) { + if (args[i] === _) args[i] = arguments[position++]; + } + while (position < arguments.length) args.push(arguments[position++]); + return func.apply(this, args); + }; + }; + + // Bind a number of an object's methods to that object. Remaining arguments + // are the method names to be bound. Useful for ensuring that all callbacks + // defined on an object belong to it. + _.bindAll = function(obj) { + var funcs = slice.call(arguments, 1); + if (funcs.length === 0) throw new Error('bindAll must be passed function names'); + _.each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); }); + return obj; + }; + + // Memoize an expensive function by storing its results. + _.memoize = function(func, hasher) { + if (!hasher) hasher = _.identity; + var memoize = function() { + var cache = memoize.cache; + var key = hasher.apply(this, arguments); + if (!_.has(cache, key)) cache[key] = func.apply(this, arguments); + return cache[key]; + }; + memoize.cache = {}; + return memoize; + }; + + // Delays a function for the given number of milliseconds, and then calls + // it with the arguments supplied. + _.delay = function(func, wait) { + var args = slice.call(arguments, 2); + return setTimeout(function(){ return func.apply(null, args); }, wait); + }; + + // Defers a function, scheduling it to run after the current call stack has + // cleared. + _.defer = function(func) { + return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1))); + }; + + // Returns a function, that, when invoked, will only be triggered at most once + // during a given window of time. Normally, the throttled function will run + // as much as it can, without ever going more than once per `wait` duration; + // but if you'd like to disable the execution on the leading edge, pass + // `{leading: false}`. To disable execution on the trailing edge, ditto. + _.throttle = function(func, wait, options) { + var context, args, result; + var timeout = null; + var previous = 0; + options || (options = {}); + var later = function() { + previous = options.leading === false ? 0 : _.now(); + timeout = null; + result = func.apply(context, args); + if (!timeout) context = args = null; + }; + return function() { + var now = _.now(); + if (!previous && options.leading === false) previous = now; + var remaining = wait - (now - previous); + context = this; + args = arguments; + if (remaining <= 0 || remaining > wait) { + clearTimeout(timeout); + timeout = null; + previous = now; + result = func.apply(context, args); + if (!timeout) context = args = null; + } else if (!timeout && options.trailing !== false) { + timeout = setTimeout(later, remaining); + } + return result; + }; + }; + + // Returns a function, that, as long as it continues to be invoked, will not + // be triggered. The function will be called after it stops being called for + // N milliseconds. If `immediate` is passed, trigger the function on the + // leading edge, instead of the trailing. + _.debounce = function(func, wait, immediate) { + var timeout, args, context, timestamp, result; + + var later = function() { + var last = _.now() - timestamp; + + if (last < wait && last > 0) { + timeout = setTimeout(later, wait - last); + } else { + timeout = null; + if (!immediate) { + result = func.apply(context, args); + if (!timeout) context = args = null; + } + } + }; + + return function() { + context = this; + args = arguments; + timestamp = _.now(); + var callNow = immediate && !timeout; + if (!timeout) timeout = setTimeout(later, wait); + if (callNow) { + result = func.apply(context, args); + context = args = null; + } + + return result; + }; + }; + + // Returns a function that will be executed at most one time, no matter how + // often you call it. Useful for lazy initialization. + _.once = function(func) { + var ran = false, memo; + return function() { + if (ran) return memo; + ran = true; + memo = func.apply(this, arguments); + func = null; + return memo; + }; + }; + + // Returns the first function passed as an argument to the second, + // allowing you to adjust arguments, run code before and after, and + // conditionally execute the original function. + _.wrap = function(func, wrapper) { + return _.partial(wrapper, func); + }; + + // Returns a negated version of the passed-in predicate. + _.negate = function(predicate) { + return function() { + return !predicate.apply(this, arguments); + }; + }; + + // Returns a function that is the composition of a list of functions, each + // consuming the return value of the function that follows. + _.compose = function() { + var funcs = arguments; + return function() { + var args = arguments; + for (var i = funcs.length - 1; i >= 0; i--) { + args = [funcs[i].apply(this, args)]; + } + return args[0]; + }; + }; + + // Returns a function that will only be executed after being called N times. + _.after = function(times, func) { + return function() { + if (--times < 1) { + return func.apply(this, arguments); + } + }; + }; + + // Object Functions + // ---------------- + + // Retrieve the names of an object's properties. + // Delegates to **ECMAScript 5**'s native `Object.keys` + _.keys = function(obj) { + if (!_.isObject(obj)) return []; + if (nativeKeys) return nativeKeys(obj); + var keys = []; + for (var key in obj) if (_.has(obj, key)) keys.push(key); + return keys; + }; + + // Retrieve the values of an object's properties. + _.values = function(obj) { + var keys = _.keys(obj); + var length = keys.length; + var values = new Array(length); + for (var i = 0; i < length; i++) { + values[i] = obj[keys[i]]; + } + return values; + }; + + // Convert an object into a list of `[key, value]` pairs. + _.pairs = function(obj) { + var keys = _.keys(obj); + var length = keys.length; + var pairs = new Array(length); + for (var i = 0; i < length; i++) { + pairs[i] = [keys[i], obj[keys[i]]]; + } + return pairs; + }; + + // Invert the keys and values of an object. The values must be serializable. + _.invert = function(obj) { + var result = {}; + var keys = _.keys(obj); + for (var i = 0, length = keys.length; i < length; i++) { + result[obj[keys[i]]] = keys[i]; + } + return result; + }; + + // Return a sorted list of the function names available on the object. + // Aliased as `methods` + _.functions = _.methods = function(obj) { + var names = []; + for (var key in obj) { + if (_.isFunction(obj[key])) names.push(key); + } + return names.sort(); + }; + + // Extend a given object with all the properties in passed-in object(s). + _.extend = function(obj) { + if (!_.isObject(obj)) return obj; + _.each(slice.call(arguments, 1), function(source) { + for (var prop in source) { + obj[prop] = source[prop]; + } + }); + return obj; + }; + + // Return a copy of the object only containing the whitelisted properties. + _.pick = function(obj, iterator, context) { + var result = {}; + if (_.isFunction(iterator)) { + for (var key in obj) { + var value = obj[key]; + if (iterator.call(context, value, key, obj)) result[key] = value; + } + } else { + var keys = concat.apply([], slice.call(arguments, 1)); + for (var i = 0, length = keys.length; i < length; i++) { + var key = keys[i]; + if (key in obj) result[key] = obj[key]; + } + } + return result; + }; + + // Return a copy of the object without the blacklisted properties. + _.omit = function(obj, iterator, context) { + var keys; + if (_.isFunction(iterator)) { + iterator = _.negate(iterator); + } else { + keys = _.map(concat.apply([], slice.call(arguments, 1)), String); + iterator = function(value, key) { return !_.contains(keys, key); }; + } + return _.pick(obj, iterator, context); + }; + + // Fill in a given object with default properties. + _.defaults = function(obj) { + if (!_.isObject(obj)) return obj; + _.each(slice.call(arguments, 1), function(source) { + for (var prop in source) { + if (obj[prop] === void 0) obj[prop] = source[prop]; + } + }); + return obj; + }; + + // Create a (shallow-cloned) duplicate of an object. + _.clone = function(obj) { + if (!_.isObject(obj)) return obj; + return _.isArray(obj) ? obj.slice() : _.extend({}, obj); + }; + + // Invokes interceptor with the obj, and then returns obj. + // The primary purpose of this method is to "tap into" a method chain, in + // order to perform operations on intermediate results within the chain. + _.tap = function(obj, interceptor) { + interceptor(obj); + return obj; + }; + + // Internal recursive comparison function for `isEqual`. + var eq = function(a, b, aStack, bStack) { + // Identical objects are equal. `0 === -0`, but they aren't identical. + // See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal). + if (a === b) return a !== 0 || 1 / a == 1 / b; + // A strict comparison is necessary because `null == undefined`. + if (a == null || b == null) return a === b; + // Unwrap any wrapped objects. + if (a instanceof _) a = a._wrapped; + if (b instanceof _) b = b._wrapped; + // Compare `[[Class]]` names. + var className = toString.call(a); + if (className != toString.call(b)) return false; + switch (className) { + // Strings, numbers, dates, and booleans are compared by value. + case '[object String]': + // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is + // equivalent to `new String("5")`. + return a == String(b); + case '[object Number]': + // `NaN`s are equivalent, but non-reflexive. An `egal` comparison is performed for + // other numeric values. + return a != +a ? b != +b : (a == 0 ? 1 / a == 1 / b : a == +b); + case '[object Date]': + case '[object Boolean]': + // Coerce dates and booleans to numeric primitive values. Dates are compared by their + // millisecond representations. Note that invalid dates with millisecond representations + // of `NaN` are not equivalent. + return +a == +b; + // RegExps are compared by their source patterns and flags. + case '[object RegExp]': + return a.source == b.source && + a.global == b.global && + a.multiline == b.multiline && + a.ignoreCase == b.ignoreCase; + } + if (typeof a != 'object' || typeof b != 'object') return false; + // Assume equality for cyclic structures. The algorithm for detecting cyclic + // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`. + var length = aStack.length; + while (length--) { + // Linear search. Performance is inversely proportional to the number of + // unique nested structures. + if (aStack[length] == a) return bStack[length] == b; + } + // Objects with different constructors are not equivalent, but `Object`s + // from different frames are. + var aCtor = a.constructor, bCtor = b.constructor; + if (aCtor !== bCtor && !(_.isFunction(aCtor) && (aCtor instanceof aCtor) && + _.isFunction(bCtor) && (bCtor instanceof bCtor)) + && ('constructor' in a && 'constructor' in b)) { + return false; + } + // Add the first object to the stack of traversed objects. + aStack.push(a); + bStack.push(b); + var size = 0, result = true; + // Recursively compare objects and arrays. + if (className == '[object Array]') { + // Compare array lengths to determine if a deep comparison is necessary. + size = a.length; + result = size == b.length; + if (result) { + // Deep compare the contents, ignoring non-numeric properties. + while (size--) { + if (!(result = eq(a[size], b[size], aStack, bStack))) break; + } + } + } else { + // Deep compare objects. + for (var key in a) { + if (_.has(a, key)) { + // Count the expected number of properties. + size++; + // Deep compare each member. + if (!(result = _.has(b, key) && eq(a[key], b[key], aStack, bStack))) break; + } + } + // Ensure that both objects contain the same number of properties. + if (result) { + for (key in b) { + if (_.has(b, key) && !(size--)) break; + } + result = !size; + } + } + // Remove the first object from the stack of traversed objects. + aStack.pop(); + bStack.pop(); + return result; + }; + + // Perform a deep comparison to check if two objects are equal. + _.isEqual = function(a, b) { + return eq(a, b, [], []); + }; + + // Is a given array, string, or object empty? + // An "empty" object has no enumerable own-properties. + _.isEmpty = function(obj) { + if (obj == null) return true; + if (_.isArray(obj) || _.isString(obj) || _.isArguments(obj)) return obj.length === 0; + for (var key in obj) if (_.has(obj, key)) return false; + return true; + }; + + // Is a given value a DOM element? + _.isElement = function(obj) { + return !!(obj && obj.nodeType === 1); + }; + + // Is a given value an array? + // Delegates to ECMA5's native Array.isArray + _.isArray = nativeIsArray || function(obj) { + return toString.call(obj) == '[object Array]'; + }; + + // Is a given variable an object? + _.isObject = function(obj) { + return obj === Object(obj); + }; + + // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp. + _.each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp'], function(name) { + _['is' + name] = function(obj) { + return toString.call(obj) == '[object ' + name + ']'; + }; + }); + + // Define a fallback version of the method in browsers (ahem, IE), where + // there isn't any inspectable "Arguments" type. + if (!_.isArguments(arguments)) { + _.isArguments = function(obj) { + return _.has(obj, 'callee'); + }; + } + + // Optimize `isFunction` if appropriate. + if (typeof (/./) !== 'function') { + _.isFunction = function(obj) { + return typeof obj === 'function'; + }; + } + + // Is a given object a finite number? + _.isFinite = function(obj) { + return isFinite(obj) && !isNaN(parseFloat(obj)); + }; + + // Is the given value `NaN`? (NaN is the only number which does not equal itself). + _.isNaN = function(obj) { + return _.isNumber(obj) && obj != +obj; + }; + + // Is a given value a boolean? + _.isBoolean = function(obj) { + return obj === true || obj === false || toString.call(obj) == '[object Boolean]'; + }; + + // Is a given value equal to null? + _.isNull = function(obj) { + return obj === null; + }; + + // Is a given variable undefined? + _.isUndefined = function(obj) { + return obj === void 0; + }; + + // Shortcut function for checking if an object has a given property directly + // on itself (in other words, not on a prototype). + _.has = function(obj, key) { + return obj != null && hasOwnProperty.call(obj, key); + }; + + // Utility Functions + // ----------------- + + // Run Underscore.js in *noConflict* mode, returning the `_` variable to its + // previous owner. Returns a reference to the Underscore object. + _.noConflict = function() { + root._ = previousUnderscore; + return this; + }; + + // Keep the identity function around for default iterators. + _.identity = function(value) { + return value; + }; + + _.constant = function(value) { + return function() { + return value; + }; + }; + + _.noop = function(){}; + + _.property = function(key) { + return function(obj) { + return obj[key]; + }; + }; + + // Returns a predicate for checking whether an object has a given set of `key:value` pairs. + _.matches = function(attrs) { + return function(obj) { + if (obj == null) return _.isEmpty(attrs); + if (obj === attrs) return true; + for (var key in attrs) if (attrs[key] !== obj[key]) return false; + return true; + } + }; + + // Run a function **n** times. + _.times = function(n, iterator, context) { + var accum = Array(Math.max(0, n)); + for (var i = 0; i < n; i++) accum[i] = iterator.call(context, i); + return accum; + }; + + // Return a random integer between min and max (inclusive). + _.random = function(min, max) { + if (max == null) { + max = min; + min = 0; + } + return min + Math.floor(Math.random() * (max - min + 1)); + }; + + // A (possibly faster) way to get the current timestamp as an integer. + _.now = Date.now || function() { return new Date().getTime(); }; + + // List of HTML entities for escaping. + var entityMap = { + escape: { + '&': '&', + '<': '<', + '>': '>', + '"': '"', + "'": ''' + } + }; + entityMap.unescape = _.invert(entityMap.escape); + + // Regexes containing the keys and values listed immediately above. + var entityRegexes = { + escape: new RegExp('[' + _.keys(entityMap.escape).join('') + ']', 'g'), + unescape: new RegExp('(' + _.keys(entityMap.unescape).join('|') + ')', 'g') + }; + + // Functions for escaping and unescaping strings to/from HTML interpolation. + _.each(['escape', 'unescape'], function(method) { + _[method] = function(string) { + if (string == null) return ''; + return ('' + string).replace(entityRegexes[method], function(match) { + return entityMap[method][match]; + }); + }; + }); + + // If the value of the named `property` is a function then invoke it with the + // `object` as context; otherwise, return it. + _.result = function(object, property) { + if (object == null) return void 0; + var value = object[property]; + return _.isFunction(value) ? object[property]() : value; + }; + + // Add your own custom functions to the Underscore object. + _.mixin = function(obj) { + _.each(_.functions(obj), function(name) { + var func = _[name] = obj[name]; + _.prototype[name] = function() { + var args = [this._wrapped]; + push.apply(args, arguments); + return result.call(this, func.apply(_, args)); + }; + }); + }; + + // Generate a unique integer id (unique within the entire client session). + // Useful for temporary DOM ids. + var idCounter = 0; + _.uniqueId = function(prefix) { + var id = ++idCounter + ''; + return prefix ? prefix + id : id; + }; + + // By default, Underscore uses ERB-style template delimiters, change the + // following template settings to use alternative delimiters. + _.templateSettings = { + evaluate : /<%([\s\S]+?)%>/g, + interpolate : /<%=([\s\S]+?)%>/g, + escape : /<%-([\s\S]+?)%>/g + }; + + // When customizing `templateSettings`, if you don't want to define an + // interpolation, evaluation or escaping regex, we need one that is + // guaranteed not to match. + var noMatch = /(.)^/; + + // Certain characters need to be escaped so that they can be put into a + // string literal. + var escapes = { + "'": "'", + '\\': '\\', + '\r': 'r', + '\n': 'n', + '\u2028': 'u2028', + '\u2029': 'u2029' + }; + + var escaper = /\\|'|\r|\n|\u2028|\u2029/g; + + var escapeChar = function(match) { + return '\\' + escapes[match]; + }; + + // JavaScript micro-templating, similar to John Resig's implementation. + // Underscore templating handles arbitrary delimiters, preserves whitespace, + // and correctly escapes quotes within interpolated code. + _.template = function(text, data, settings) { + settings = _.defaults({}, settings, _.templateSettings); + + // Combine delimiters into one regular expression via alternation. + var matcher = new RegExp([ + (settings.escape || noMatch).source, + (settings.interpolate || noMatch).source, + (settings.evaluate || noMatch).source + ].join('|') + '|$', 'g'); + + // Compile the template source, escaping string literals appropriately. + var index = 0; + var source = "__p+='"; + text.replace(matcher, function(match, escape, interpolate, evaluate, offset) { + source += text.slice(index, offset).replace(escaper, escapeChar); + index = offset + match.length; + + if (escape) { + source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'"; + } else if (interpolate) { + source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'"; + } else if (evaluate) { + source += "';\n" + evaluate + "\n__p+='"; + } + + // Adobe VMs need the match returned to produce the correct offest. + return match; + }); + source += "';\n"; + + // If a variable is not specified, place data values in local scope. + if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n'; + + source = "var __t,__p='',__j=Array.prototype.join," + + "print=function(){__p+=__j.call(arguments,'');};\n" + + source + "return __p;\n"; + + try { + var render = new Function(settings.variable || 'obj', '_', source); + } catch (e) { + e.source = source; + throw e; + } + + if (data) return render(data, _); + var template = function(data) { + return render.call(this, data, _); + }; + + // Provide the compiled source as a convenience for precompilation. + var argument = settings.variable || 'obj'; + template.source = 'function(' + argument + '){\n' + source + '}'; + + return template; + }; + + // Add a "chain" function, which will delegate to the wrapper. + _.chain = function(obj) { + return _(obj).chain(); + }; + + // OOP + // --------------- + // If Underscore is called as a function, it returns a wrapped object that + // can be used OO-style. This wrapper holds altered versions of all the + // underscore functions. Wrapped objects may be chained. + + // Helper function to continue chaining intermediate results. + var result = function(obj) { + return this._chain ? _(obj).chain() : obj; + }; + + // Add all of the Underscore functions to the wrapper object. + _.mixin(_); + + // Add all mutator Array functions to the wrapper. + _.each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) { + var method = ArrayProto[name]; + _.prototype[name] = function() { + var obj = this._wrapped; + method.apply(obj, arguments); + if ((name == 'shift' || name == 'splice') && obj.length === 0) delete obj[0]; + return result.call(this, obj); + }; + }); + + // Add all accessor Array functions to the wrapper. + _.each(['concat', 'join', 'slice'], function(name) { + var method = ArrayProto[name]; + _.prototype[name] = function() { + return result.call(this, method.apply(this._wrapped, arguments)); + }; + }); + + _.extend(_.prototype, { + + // Start chaining a wrapped Underscore object. + chain: function() { + this._chain = true; + return this; + }, + + // Extracts the result from a wrapped and chained object. + value: function() { + return this._wrapped; + } + + }); + + // AMD registration happens at the end for compatibility with AMD loaders + // that may not enforce next-turn semantics on modules. Even though general + // practice for AMD registration is to be anonymous, underscore registers + // as a named module because, like jQuery, it is a base library that is + // popular enough to be bundled in a third party lib, but not be part of + // an AMD load request. Those cases could generate an error when an + // anonymous define() is called outside of a loader request. + if (typeof define === 'function' && define.amd) { + define('underscore', [], function() { + return _; + }); + } +}).call(this); diff --git a/js/helpers.js b/js/helpers.js index ed0138e2..a704499a 100644 --- a/js/helpers.js +++ b/js/helpers.js @@ -362,26 +362,6 @@ function isRegistrationDone() { return storage.getUnencrypted("registration_done") !== undefined; } -function getMessageMap() { - return storage.getEncrypted("messageMap", {}); -} - -function storeMessage(messageObject) { - var messageMap = getMessageMap(); - var conversation = messageMap[messageObject.pushMessage.source]; //TODO: Also support Group message IDs here - if (conversation === undefined) { - conversation = []; - messageMap[messageObject.pushMessage.source] = conversation; - } - - conversation[conversation.length] = { message: messageObject.message.body != null && getString(messageObject.message.body), - sender: messageObject.pushMessage.source, - timestamp: messageObject.pushMessage.timestamp.div(dcodeIO.Long.fromNumber(1000)).toNumber() }; - storage.putEncrypted("messageMap", messageMap); - chrome.runtime.sendMessage(conversation[conversation.length - 1]); -} - - /********************** *** NaCL Interface *** **********************/ @@ -493,7 +473,7 @@ window.textsecure.subscribeToPush = function() { promises[i] = handleAttachment(decrypted.message.attachments[i]); } return Promise.all(promises).then(function() { - storeMessage(decrypted); + Whisper.Messages.addIncomingMessage(decrypted); message_callback(decrypted); }); }) diff --git a/js/models/messages.js b/js/models/messages.js new file mode 100644 index 00000000..18ec0c9f --- /dev/null +++ b/js/models/messages.js @@ -0,0 +1,32 @@ +var Whisper = Whisper || {}; + +(function () { + 'use strict'; + + var Message = Backbone.Model.extend(); + Whisper.Messages = new (Backbone.Collection.extend({ + localStorage: new Backbone.LocalStorage("Messages"), + model: Message, + comparator: 'timestamp', + + addIncomingMessage: function(decrypted) { + Whisper.Messages.add({ + sender: decrypted.pushMessage.source, + group: decrypted.message.group, + body: decrypted.message.body, + type: 'incoming', + timestamp: decrypted.message.timestamp + }).save(); + }, + + addOutgoingMessage: function(messageProto, sender) { + Whisper.Messages.add({ + sender: sender, + body: messageProto.body, + type: 'outgoing', + timestamp: new Date().getTime() + }).save(); + } + }))(); + +})() diff --git a/js/popup.js b/js/popup.js index be2e90c6..fa8eeef5 100644 --- a/js/popup.js +++ b/js/popup.js @@ -1,4 +1,4 @@ -/* vim: ts=4:sw=4 +/* vim: ts=4:sw=4:noexpandtab: * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by @@ -14,81 +14,25 @@ * along with this program. If not, see . */ -$('#inbox_link').click(function() { - $('#inbox').show(); +$('#inbox_link').click(function(e) { $('#send').hide(); + $('#send_link').removeClass('selected'); + $('#inbox').show(); + $('#inbox_link').addClass('selected'); }); -$('#send_link').click(function() { +$('#send_link').click(function(e) { $('#inbox').hide(); + $('#inbox_link').removeClass('selected'); $('#send').show(); + $('#send_link').addClass('selected'); }); textsecure.registerOnLoadFunction(function() { if (storage.getUnencrypted("number_id") === undefined) { chrome.tabs.create({url: "options.html"}); } else { - function fillMessages() { - var MAX_MESSAGES_PER_CONVERSATION = 4; - var MAX_CONVERSATIONS = 5; - - var conversations = []; - - var messageMap = getMessageMap(); - for (conversation in messageMap) { - var messages = messageMap[conversation]; - messages.sort(function(a, b) { return b.timestamp - a.timestamp; }); - conversations[conversations.length] = messages; - } - - conversations.sort(function(a, b) { return b[0].timestamp - a[0].timestamp }); - - var ul = $('#conversations'); - ul.html(''); - for (var i = 0; i < MAX_CONVERSATIONS && i < conversations.length; i++) { - var conversation = conversations[i]; - var messages = $('