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added javascript dependencies

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commit 07a6b0a3aff6d3e44ba55d59ae80dacd03a98908 1 parent 18b50ac
Roald de Vries authored
11 index.html
@@ -5,6 +5,11 @@
5 5 <title>Rijksmuseum App</title>
6 6 <link href="css/fotorama.css" rel="stylesheet">
7 7 <script type="text/javascript" src="js/jquery-1.7.2.min.js"></script>
  8 + <script type="text/javascript" src="coffee-script.js" charset="utf-8"></script>
  9 + <script type="text/javascript" src="underscore.js" charset="utf-8"></script>
  10 + <script type="text/javascript" src="backbone.js" charset="utf-8"></script>
  11 + <script type="text/javascript" src="jath/jath.js" charset="utf-8"></script>
  12 + <script type="text/javascript" src="jade/jade.js" charset="utf-8"></script>
8 13 <script src="js/fotorama.js"></script>
9 14 <script>
10 15 function startMusicByYearRange(startYear, endYear) {
@@ -44,10 +49,10 @@
44 49 {img: 'http://www.rijksmuseum.nl/images/aria/sk/org/sk-c-5.org?aria/maxwidth_288', thumb: 'http://www.rijksmuseum.nl/images/aria/sk/org/sk-c-5.org?aria/maxwidth_288', caption: 'One'},
45 50 {img: 'http://www.rijksmuseum.nl/images/aria/rp/org/rp-p-ob-697.org?aria/maxwidth_288', thumb: 'http://www.rijksmuseum.nl/images/aria/rp/org/rp-p-ob-697.org?aria/maxwidth_288'},
46 51 {img: 'http://www.rijksmuseum.nl/images/aria/rp/org/rp-p-ob-268.org?aria/maxwidth_288', thumb: 'http://www.rijksmuseum.nl/images/aria/rp/org/rp-p-ob-268.org?aria/maxwidth_288'}
47   - ]
  52 + ],
48 53 // fullscreen: true
49 54 // autoplay: 5000
50   - // fullscreenIcon: true
  55 + fullscreenIcon: true
51 56 });
52 57 });
53 58 </script>
@@ -55,4 +60,4 @@
55 60 <body>
56 61 <div id="my-fotorama"></div>
57 62 </body>
58   -</html>
  63 +</html>
1,431 js/backbone.js
... ... @@ -0,0 +1,1431 @@
  1 +// Backbone.js 0.9.2
  2 +
  3 +// (c) 2010-2012 Jeremy Ashkenas, DocumentCloud Inc.
  4 +// Backbone may be freely distributed under the MIT license.
  5 +// For all details and documentation:
  6 +// http://backbonejs.org
  7 +
  8 +(function(){
  9 +
  10 + // Initial Setup
  11 + // -------------
  12 +
  13 + // Save a reference to the global object (`window` in the browser, `global`
  14 + // on the server).
  15 + var root = this;
  16 +
  17 + // Save the previous value of the `Backbone` variable, so that it can be
  18 + // restored later on, if `noConflict` is used.
  19 + var previousBackbone = root.Backbone;
  20 +
  21 + // Create a local reference to slice/splice.
  22 + var slice = Array.prototype.slice;
  23 + var splice = Array.prototype.splice;
  24 +
  25 + // The top-level namespace. All public Backbone classes and modules will
  26 + // be attached to this. Exported for both CommonJS and the browser.
  27 + var Backbone;
  28 + if (typeof exports !== 'undefined') {
  29 + Backbone = exports;
  30 + } else {
  31 + Backbone = root.Backbone = {};
  32 + }
  33 +
  34 + // Current version of the library. Keep in sync with `package.json`.
  35 + Backbone.VERSION = '0.9.2';
  36 +
  37 + // Require Underscore, if we're on the server, and it's not already present.
  38 + var _ = root._;
  39 + if (!_ && (typeof require !== 'undefined')) _ = require('underscore');
  40 +
  41 + // For Backbone's purposes, jQuery, Zepto, or Ender owns the `$` variable.
  42 + var $ = root.jQuery || root.Zepto || root.ender;
  43 +
  44 + // Set the JavaScript library that will be used for DOM manipulation and
  45 + // Ajax calls (a.k.a. the `$` variable). By default Backbone will use: jQuery,
  46 + // Zepto, or Ender; but the `setDomLibrary()` method lets you inject an
  47 + // alternate JavaScript library (or a mock library for testing your views
  48 + // outside of a browser).
  49 + Backbone.setDomLibrary = function(lib) {
  50 + $ = lib;
  51 + };
  52 +
  53 + // Runs Backbone.js in *noConflict* mode, returning the `Backbone` variable
  54 + // to its previous owner. Returns a reference to this Backbone object.
  55 + Backbone.noConflict = function() {
  56 + root.Backbone = previousBackbone;
  57 + return this;
  58 + };
  59 +
  60 + // Turn on `emulateHTTP` to support legacy HTTP servers. Setting this option
  61 + // will fake `"PUT"` and `"DELETE"` requests via the `_method` parameter and
  62 + // set a `X-Http-Method-Override` header.
  63 + Backbone.emulateHTTP = false;
  64 +
  65 + // Turn on `emulateJSON` to support legacy servers that can't deal with direct
  66 + // `application/json` requests ... will encode the body as
  67 + // `application/x-www-form-urlencoded` instead and will send the model in a
  68 + // form param named `model`.
  69 + Backbone.emulateJSON = false;
  70 +
  71 + // Backbone.Events
  72 + // -----------------
  73 +
  74 + // Regular expression used to split event strings
  75 + var eventSplitter = /\s+/;
  76 +
  77 + // A module that can be mixed in to *any object* in order to provide it with
  78 + // custom events. You may bind with `on` or remove with `off` callback functions
  79 + // to an event; trigger`-ing an event fires all callbacks in succession.
  80 + //
  81 + // var object = {};
  82 + // _.extend(object, Backbone.Events);
  83 + // object.on('expand', function(){ alert('expanded'); });
  84 + // object.trigger('expand');
  85 + //
  86 + var Events = Backbone.Events = {
  87 +
  88 + // Bind one or more space separated events, `events`, to a `callback`
  89 + // function. Passing `"all"` will bind the callback to all events fired.
  90 + on: function(events, callback, context) {
  91 +
  92 + var calls, event, node, tail, list;
  93 + if (!callback) return this;
  94 + events = events.split(eventSplitter);
  95 + calls = this._callbacks || (this._callbacks = {});
  96 +
  97 + // Create an immutable callback list, allowing traversal during
  98 + // modification. The tail is an empty object that will always be used
  99 + // as the next node.
  100 + while (event = events.shift()) {
  101 + list = calls[event];
  102 + node = list ? list.tail : {};
  103 + node.next = tail = {};
  104 + node.context = context;
  105 + node.callback = callback;
  106 + calls[event] = {tail: tail, next: list ? list.next : node};
  107 + }
  108 +
  109 + return this;
  110 + },
  111 +
  112 + // Remove one or many callbacks. If `context` is null, removes all callbacks
  113 + // with that function. If `callback` is null, removes all callbacks for the
  114 + // event. If `events` is null, removes all bound callbacks for all events.
  115 + off: function(events, callback, context) {
  116 + var event, calls, node, tail, cb, ctx;
  117 +
  118 + // No events, or removing *all* events.
  119 + if (!(calls = this._callbacks)) return;
  120 + if (!(events || callback || context)) {
  121 + delete this._callbacks;
  122 + return this;
  123 + }
  124 +
  125 + // Loop through the listed events and contexts, splicing them out of the
  126 + // linked list of callbacks if appropriate.
  127 + events = events ? events.split(eventSplitter) : _.keys(calls);
  128 + while (event = events.shift()) {
  129 + node = calls[event];
  130 + delete calls[event];
  131 + if (!node || !(callback || context)) continue;
  132 + // Create a new list, omitting the indicated callbacks.
  133 + tail = node.tail;
  134 + while ((node = node.next) !== tail) {
  135 + cb = node.callback;
  136 + ctx = node.context;
  137 + if ((callback && cb !== callback) || (context && ctx !== context)) {
  138 + this.on(event, cb, ctx);
  139 + }
  140 + }
  141 + }
  142 +
  143 + return this;
  144 + },
  145 +
  146 + // Trigger one or many events, firing all bound callbacks. Callbacks are
  147 + // passed the same arguments as `trigger` is, apart from the event name
  148 + // (unless you're listening on `"all"`, which will cause your callback to
  149 + // receive the true name of the event as the first argument).
  150 + trigger: function(events) {
  151 + var event, node, calls, tail, args, all, rest;
  152 + if (!(calls = this._callbacks)) return this;
  153 + all = calls.all;
  154 + events = events.split(eventSplitter);
  155 + rest = slice.call(arguments, 1);
  156 +
  157 + // For each event, walk through the linked list of callbacks twice,
  158 + // first to trigger the event, then to trigger any `"all"` callbacks.
  159 + while (event = events.shift()) {
  160 + if (node = calls[event]) {
  161 + tail = node.tail;
  162 + while ((node = node.next) !== tail) {
  163 + node.callback.apply(node.context || this, rest);
  164 + }
  165 + }
  166 + if (node = all) {
  167 + tail = node.tail;
  168 + args = [event].concat(rest);
  169 + while ((node = node.next) !== tail) {
  170 + node.callback.apply(node.context || this, args);
  171 + }
  172 + }
  173 + }
  174 +
  175 + return this;
  176 + }
  177 +
  178 + };
  179 +
  180 + // Aliases for backwards compatibility.
  181 + Events.bind = Events.on;
  182 + Events.unbind = Events.off;
  183 +
  184 + // Backbone.Model
  185 + // --------------
  186 +
  187 + // Create a new model, with defined attributes. A client id (`cid`)
  188 + // is automatically generated and assigned for you.
  189 + var Model = Backbone.Model = function(attributes, options) {
  190 + var defaults;
  191 + attributes || (attributes = {});
  192 + if (options && options.parse) attributes = this.parse(attributes);
  193 + if (defaults = getValue(this, 'defaults')) {
  194 + attributes = _.extend({}, defaults, attributes);
  195 + }
  196 + if (options && options.collection) this.collection = options.collection;
  197 + this.attributes = {};
  198 + this._escapedAttributes = {};
  199 + this.cid = _.uniqueId('c');
  200 + this.changed = {};
  201 + this._silent = {};
  202 + this._pending = {};
  203 + this.set(attributes, {silent: true});
  204 + // Reset change tracking.
  205 + this.changed = {};
  206 + this._silent = {};
  207 + this._pending = {};
  208 + this._previousAttributes = _.clone(this.attributes);
  209 + this.initialize.apply(this, arguments);
  210 + };
  211 +
  212 + // Attach all inheritable methods to the Model prototype.
  213 + _.extend(Model.prototype, Events, {
  214 +
  215 + // A hash of attributes whose current and previous value differ.
  216 + changed: null,
  217 +
  218 + // A hash of attributes that have silently changed since the last time
  219 + // `change` was called. Will become pending attributes on the next call.
  220 + _silent: null,
  221 +
  222 + // A hash of attributes that have changed since the last `'change'` event
  223 + // began.
  224 + _pending: null,
  225 +
  226 + // The default name for the JSON `id` attribute is `"id"`. MongoDB and
  227 + // CouchDB users may want to set this to `"_id"`.
  228 + idAttribute: 'id',
  229 +
  230 + // Initialize is an empty function by default. Override it with your own
  231 + // initialization logic.
  232 + initialize: function(){},
  233 +
  234 + // Return a copy of the model's `attributes` object.
  235 + toJSON: function(options) {
  236 + return _.clone(this.attributes);
  237 + },
  238 +
  239 + // Get the value of an attribute.
  240 + get: function(attr) {
  241 + return this.attributes[attr];
  242 + },
  243 +
  244 + // Get the HTML-escaped value of an attribute.
  245 + escape: function(attr) {
  246 + var html;
  247 + if (html = this._escapedAttributes[attr]) return html;
  248 + var val = this.get(attr);
  249 + return this._escapedAttributes[attr] = _.escape(val == null ? '' : '' + val);
  250 + },
  251 +
  252 + // Returns `true` if the attribute contains a value that is not null
  253 + // or undefined.
  254 + has: function(attr) {
  255 + return this.get(attr) != null;
  256 + },
  257 +
  258 + // Set a hash of model attributes on the object, firing `"change"` unless
  259 + // you choose to silence it.
  260 + set: function(key, value, options) {
  261 + var attrs, attr, val;
  262 +
  263 + // Handle both `"key", value` and `{key: value}` -style arguments.
  264 + if (_.isObject(key) || key == null) {
  265 + attrs = key;
  266 + options = value;
  267 + } else {
  268 + attrs = {};
  269 + attrs[key] = value;
  270 + }
  271 +
  272 + // Extract attributes and options.
  273 + options || (options = {});
  274 + if (!attrs) return this;
  275 + if (attrs instanceof Model) attrs = attrs.attributes;
  276 + if (options.unset) for (attr in attrs) attrs[attr] = void 0;
  277 +
  278 + // Run validation.
  279 + if (!this._validate(attrs, options)) return false;
  280 +
  281 + // Check for changes of `id`.
  282 + if (this.idAttribute in attrs) this.id = attrs[this.idAttribute];
  283 +
  284 + var changes = options.changes = {};
  285 + var now = this.attributes;
  286 + var escaped = this._escapedAttributes;
  287 + var prev = this._previousAttributes || {};
  288 +
  289 + // For each `set` attribute...
  290 + for (attr in attrs) {
  291 + val = attrs[attr];
  292 +
  293 + // If the new and current value differ, record the change.
  294 + if (!_.isEqual(now[attr], val) || (options.unset && _.has(now, attr))) {
  295 + delete escaped[attr];
  296 + (options.silent ? this._silent : changes)[attr] = true;
  297 + }
  298 +
  299 + // Update or delete the current value.
  300 + options.unset ? delete now[attr] : now[attr] = val;
  301 +
  302 + // If the new and previous value differ, record the change. If not,
  303 + // then remove changes for this attribute.
  304 + if (!_.isEqual(prev[attr], val) || (_.has(now, attr) != _.has(prev, attr))) {
  305 + this.changed[attr] = val;
  306 + if (!options.silent) this._pending[attr] = true;
  307 + } else {
  308 + delete this.changed[attr];
  309 + delete this._pending[attr];
  310 + }
  311 + }
  312 +
  313 + // Fire the `"change"` events.
  314 + if (!options.silent) this.change(options);
  315 + return this;
  316 + },
  317 +
  318 + // Remove an attribute from the model, firing `"change"` unless you choose
  319 + // to silence it. `unset` is a noop if the attribute doesn't exist.
  320 + unset: function(attr, options) {
  321 + (options || (options = {})).unset = true;
  322 + return this.set(attr, null, options);
  323 + },
  324 +
  325 + // Clear all attributes on the model, firing `"change"` unless you choose
  326 + // to silence it.
  327 + clear: function(options) {
  328 + (options || (options = {})).unset = true;
  329 + return this.set(_.clone(this.attributes), options);
  330 + },
  331 +
  332 + // Fetch the model from the server. If the server's representation of the
  333 + // model differs from its current attributes, they will be overriden,
  334 + // triggering a `"change"` event.
  335 + fetch: function(options) {
  336 + options = options ? _.clone(options) : {};
  337 + var model = this;
  338 + var success = options.success;
  339 + options.success = function(resp, status, xhr) {
  340 + if (!model.set(model.parse(resp, xhr), options)) return false;
  341 + if (success) success(model, resp);
  342 + };
  343 + options.error = Backbone.wrapError(options.error, model, options);
  344 + return (this.sync || Backbone.sync).call(this, 'read', this, options);
  345 + },
  346 +
  347 + // Set a hash of model attributes, and sync the model to the server.
  348 + // If the server returns an attributes hash that differs, the model's
  349 + // state will be `set` again.
  350 + save: function(key, value, options) {
  351 + var attrs, current;
  352 +
  353 + // Handle both `("key", value)` and `({key: value})` -style calls.
  354 + if (_.isObject(key) || key == null) {
  355 + attrs = key;
  356 + options = value;
  357 + } else {
  358 + attrs = {};
  359 + attrs[key] = value;
  360 + }
  361 + options = options ? _.clone(options) : {};
  362 +
  363 + // If we're "wait"-ing to set changed attributes, validate early.
  364 + if (options.wait) {
  365 + if (!this._validate(attrs, options)) return false;
  366 + current = _.clone(this.attributes);
  367 + }
  368 +
  369 + // Regular saves `set` attributes before persisting to the server.
  370 + var silentOptions = _.extend({}, options, {silent: true});
  371 + if (attrs && !this.set(attrs, options.wait ? silentOptions : options)) {
  372 + return false;
  373 + }
  374 +
  375 + // After a successful server-side save, the client is (optionally)
  376 + // updated with the server-side state.
  377 + var model = this;
  378 + var success = options.success;
  379 + options.success = function(resp, status, xhr) {
  380 + var serverAttrs = model.parse(resp, xhr);
  381 + if (options.wait) {
  382 + delete options.wait;
  383 + serverAttrs = _.extend(attrs || {}, serverAttrs);
  384 + }
  385 + if (!model.set(serverAttrs, options)) return false;
  386 + if (success) {
  387 + success(model, resp);
  388 + } else {
  389 + model.trigger('sync', model, resp, options);
  390 + }
  391 + };
  392 +
  393 + // Finish configuring and sending the Ajax request.
  394 + options.error = Backbone.wrapError(options.error, model, options);
  395 + var method = this.isNew() ? 'create' : 'update';
  396 + var xhr = (this.sync || Backbone.sync).call(this, method, this, options);
  397 + if (options.wait) this.set(current, silentOptions);
  398 + return xhr;
  399 + },
  400 +
  401 + // Destroy this model on the server if it was already persisted.
  402 + // Optimistically removes the model from its collection, if it has one.
  403 + // If `wait: true` is passed, waits for the server to respond before removal.
  404 + destroy: function(options) {
  405 + options = options ? _.clone(options) : {};
  406 + var model = this;
  407 + var success = options.success;
  408 +
  409 + var triggerDestroy = function() {
  410 + model.trigger('destroy', model, model.collection, options);
  411 + };
  412 +
  413 + if (this.isNew()) {
  414 + triggerDestroy();
  415 + return false;
  416 + }
  417 +
  418 + options.success = function(resp) {
  419 + if (options.wait) triggerDestroy();
  420 + if (success) {
  421 + success(model, resp);
  422 + } else {
  423 + model.trigger('sync', model, resp, options);
  424 + }
  425 + };
  426 +
  427 + options.error = Backbone.wrapError(options.error, model, options);
  428 + var xhr = (this.sync || Backbone.sync).call(this, 'delete', this, options);
  429 + if (!options.wait) triggerDestroy();
  430 + return xhr;
  431 + },
  432 +
  433 + // Default URL for the model's representation on the server -- if you're
  434 + // using Backbone's restful methods, override this to change the endpoint
  435 + // that will be called.
  436 + url: function() {
  437 + var base = getValue(this, 'urlRoot') || getValue(this.collection, 'url') || urlError();
  438 + if (this.isNew()) return base;
  439 + return base + (base.charAt(base.length - 1) == '/' ? '' : '/') + encodeURIComponent(this.id);
  440 + },
  441 +
  442 + // **parse** converts a response into the hash of attributes to be `set` on
  443 + // the model. The default implementation is just to pass the response along.
  444 + parse: function(resp, xhr) {
  445 + return resp;
  446 + },
  447 +
  448 + // Create a new model with identical attributes to this one.
  449 + clone: function() {
  450 + return new this.constructor(this.attributes);
  451 + },
  452 +
  453 + // A model is new if it has never been saved to the server, and lacks an id.
  454 + isNew: function() {
  455 + return this.id == null;
  456 + },
  457 +
  458 + // Call this method to manually fire a `"change"` event for this model and
  459 + // a `"change:attribute"` event for each changed attribute.
  460 + // Calling this will cause all objects observing the model to update.
  461 + change: function(options) {
  462 + options || (options = {});
  463 + var changing = this._changing;
  464 + this._changing = true;
  465 +
  466 + // Silent changes become pending changes.
  467 + for (var attr in this._silent) this._pending[attr] = true;
  468 +
  469 + // Silent changes are triggered.
  470 + var changes = _.extend({}, options.changes, this._silent);
  471 + this._silent = {};
  472 + for (var attr in changes) {
  473 + this.trigger('change:' + attr, this, this.get(attr), options);
  474 + }
  475 + if (changing) return this;
  476 +
  477 + // Continue firing `"change"` events while there are pending changes.
  478 + while (!_.isEmpty(this._pending)) {
  479 + this._pending = {};
  480 + this.trigger('change', this, options);
  481 + // Pending and silent changes still remain.
  482 + for (var attr in this.changed) {
  483 + if (this._pending[attr] || this._silent[attr]) continue;
  484 + delete this.changed[attr];
  485 + }
  486 + this._previousAttributes = _.clone(this.attributes);
  487 + }
  488 +
  489 + this._changing = false;
  490 + return this;
  491 + },
  492 +
  493 + // Determine if the model has changed since the last `"change"` event.
  494 + // If you specify an attribute name, determine if that attribute has changed.
  495 + hasChanged: function(attr) {
  496 + if (!arguments.length) return !_.isEmpty(this.changed);
  497 + return _.has(this.changed, attr);
  498 + },
  499 +
  500 + // Return an object containing all the attributes that have changed, or
  501 + // false if there are no changed attributes. Useful for determining what
  502 + // parts of a view need to be updated and/or what attributes need to be
  503 + // persisted to the server. Unset attributes will be set to undefined.
  504 + // You can also pass an attributes object to diff against the model,
  505 + // determining if there *would be* a change.
  506 + changedAttributes: function(diff) {
  507 + if (!diff) return this.hasChanged() ? _.clone(this.changed) : false;
  508 + var val, changed = false, old = this._previousAttributes;
  509 + for (var attr in diff) {
  510 + if (_.isEqual(old[attr], (val = diff[attr]))) continue;
  511 + (changed || (changed = {}))[attr] = val;
  512 + }
  513 + return changed;
  514 + },
  515 +
  516 + // Get the previous value of an attribute, recorded at the time the last
  517 + // `"change"` event was fired.
  518 + previous: function(attr) {
  519 + if (!arguments.length || !this._previousAttributes) return null;
  520 + return this._previousAttributes[attr];
  521 + },
  522 +
  523 + // Get all of the attributes of the model at the time of the previous
  524 + // `"change"` event.
  525 + previousAttributes: function() {
  526 + return _.clone(this._previousAttributes);
  527 + },
  528 +
  529 + // Check if the model is currently in a valid state. It's only possible to
  530 + // get into an *invalid* state if you're using silent changes.
  531 + isValid: function() {
  532 + return !this.validate(this.attributes);
  533 + },
  534 +
  535 + // Run validation against the next complete set of model attributes,
  536 + // returning `true` if all is well. If a specific `error` callback has
  537 + // been passed, call that instead of firing the general `"error"` event.
  538 + _validate: function(attrs, options) {
  539 + if (options.silent || !this.validate) return true;
  540 + attrs = _.extend({}, this.attributes, attrs);
  541 + var error = this.validate(attrs, options);
  542 + if (!error) return true;
  543 + if (options && options.error) {
  544 + options.error(this, error, options);
  545 + } else {
  546 + this.trigger('error', this, error, options);
  547 + }
  548 + return false;
  549 + }
  550 +
  551 + });
  552 +
  553 + // Backbone.Collection
  554 + // -------------------
  555 +
  556 + // Provides a standard collection class for our sets of models, ordered
  557 + // or unordered. If a `comparator` is specified, the Collection will maintain
  558 + // its models in sort order, as they're added and removed.
  559 + var Collection = Backbone.Collection = function(models, options) {
  560 + options || (options = {});
  561 + if (options.model) this.model = options.model;
  562 + if (options.comparator) this.comparator = options.comparator;
  563 + this._reset();
  564 + this.initialize.apply(this, arguments);
  565 + if (models) this.reset(models, {silent: true, parse: options.parse});
  566 + };
  567 +
  568 + // Define the Collection's inheritable methods.
  569 + _.extend(Collection.prototype, Events, {
  570 +
  571 + // The default model for a collection is just a **Backbone.Model**.
  572 + // This should be overridden in most cases.
  573 + model: Model,
  574 +
  575 + // Initialize is an empty function by default. Override it with your own
  576 + // initialization logic.
  577 + initialize: function(){},
  578 +
  579 + // The JSON representation of a Collection is an array of the
  580 + // models' attributes.
  581 + toJSON: function(options) {
  582 + return this.map(function(model){ return model.toJSON(options); });
  583 + },
  584 +
  585 + // Add a model, or list of models to the set. Pass **silent** to avoid
  586 + // firing the `add` event for every new model.
  587 + add: function(models, options) {
  588 + var i, index, length, model, cid, id, cids = {}, ids = {}, dups = [];
  589 + options || (options = {});
  590 + models = _.isArray(models) ? models.slice() : [models];
  591 +
  592 + // Begin by turning bare objects into model references, and preventing
  593 + // invalid models or duplicate models from being added.
  594 + for (i = 0, length = models.length; i < length; i++) {
  595 + if (!(model = models[i] = this._prepareModel(models[i], options))) {
  596 + throw new Error("Can't add an invalid model to a collection");
  597 + }
  598 + cid = model.cid;
  599 + id = model.id;
  600 + if (cids[cid] || this._byCid[cid] || ((id != null) && (ids[id] || this._byId[id]))) {
  601 + dups.push(i);
  602 + continue;
  603 + }
  604 + cids[cid] = ids[id] = model;
  605 + }
  606 +
  607 + // Remove duplicates.
  608 + i = dups.length;
  609 + while (i--) {
  610 + models.splice(dups[i], 1);
  611 + }
  612 +
  613 + // Listen to added models' events, and index models for lookup by
  614 + // `id` and by `cid`.
  615 + for (i = 0, length = models.length; i < length; i++) {
  616 + (model = models[i]).on('all', this._onModelEvent, this);
  617 + this._byCid[model.cid] = model;
  618 + if (model.id != null) this._byId[model.id] = model;
  619 + }
  620 +
  621 + // Insert models into the collection, re-sorting if needed, and triggering
  622 + // `add` events unless silenced.
  623 + this.length += length;
  624 + index = options.at != null ? options.at : this.models.length;
  625 + splice.apply(this.models, [index, 0].concat(models));
  626 + if (this.comparator) this.sort({silent: true});
  627 + if (options.silent) return this;
  628 + for (i = 0, length = this.models.length; i < length; i++) {
  629 + if (!cids[(model = this.models[i]).cid]) continue;
  630 + options.index = i;
  631 + model.trigger('add', model, this, options);
  632 + }
  633 + return this;
  634 + },
  635 +
  636 + // Remove a model, or a list of models from the set. Pass silent to avoid
  637 + // firing the `remove` event for every model removed.
  638 + remove: function(models, options) {
  639 + var i, l, index, model;
  640 + options || (options = {});
  641 + models = _.isArray(models) ? models.slice() : [models];
  642 + for (i = 0, l = models.length; i < l; i++) {
  643 + model = this.getByCid(models[i]) || this.get(models[i]);
  644 + if (!model) continue;
  645 + delete this._byId[model.id];
  646 + delete this._byCid[model.cid];
  647 + index = this.indexOf(model);
  648 + this.models.splice(index, 1);
  649 + this.length--;
  650 + if (!options.silent) {
  651 + options.index = index;
  652 + model.trigger('remove', model, this, options);
  653 + }
  654 + this._removeReference(model);
  655 + }
  656 + return this;
  657 + },
  658 +
  659 + // Add a model to the end of the collection.
  660 + push: function(model, options) {
  661 + model = this._prepareModel(model, options);
  662 + this.add(model, options);
  663 + return model;
  664 + },
  665 +
  666 + // Remove a model from the end of the collection.
  667 + pop: function(options) {
  668 + var model = this.at(this.length - 1);
  669 + this.remove(model, options);
  670 + return model;
  671 + },
  672 +
  673 + // Add a model to the beginning of the collection.
  674 + unshift: function(model, options) {
  675 + model = this._prepareModel(model, options);
  676 + this.add(model, _.extend({at: 0}, options));
  677 + return model;
  678 + },
  679 +
  680 + // Remove a model from the beginning of the collection.
  681 + shift: function(options) {
  682 + var model = this.at(0);
  683 + this.remove(model, options);
  684 + return model;
  685 + },
  686 +
  687 + // Get a model from the set by id.
  688 + get: function(id) {
  689 + if (id == null) return void 0;
  690 + return this._byId[id.id != null ? id.id : id];
  691 + },
  692 +
  693 + // Get a model from the set by client id.
  694 + getByCid: function(cid) {
  695 + return cid && this._byCid[cid.cid || cid];
  696 + },
  697 +
  698 + // Get the model at the given index.
  699 + at: function(index) {
  700 + return this.models[index];
  701 + },
  702 +
  703 + // Return models with matching attributes. Useful for simple cases of `filter`.
  704 + where: function(attrs) {
  705 + if (_.isEmpty(attrs)) return [];
  706 + return this.filter(function(model) {
  707 + for (var key in attrs) {
  708 + if (attrs[key] !== model.get(key)) return false;
  709 + }
  710 + return true;
  711 + });
  712 + },
  713 +
  714 + // Force the collection to re-sort itself. You don't need to call this under
  715 + // normal circumstances, as the set will maintain sort order as each item
  716 + // is added.
  717 + sort: function(options) {
  718 + options || (options = {});
  719 + if (!this.comparator) throw new Error('Cannot sort a set without a comparator');
  720 + var boundComparator = _.bind(this.comparator, this);
  721 + if (this.comparator.length == 1) {
  722 + this.models = this.sortBy(boundComparator);
  723 + } else {
  724 + this.models.sort(boundComparator);
  725 + }
  726 + if (!options.silent) this.trigger('reset', this, options);
  727 + return this;
  728 + },
  729 +
  730 + // Pluck an attribute from each model in the collection.
  731 + pluck: function(attr) {
  732 + return _.map(this.models, function(model){ return model.get(attr); });
  733 + },
  734 +
  735 + // When you have more items than you want to add or remove individually,
  736 + // you can reset the entire set with a new list of models, without firing
  737 + // any `add` or `remove` events. Fires `reset` when finished.
  738 + reset: function(models, options) {
  739 + models || (models = []);
  740 + options || (options = {});
  741 + for (var i = 0, l = this.models.length; i < l; i++) {
  742 + this._removeReference(this.models[i]);
  743 + }
  744 + this._reset();
  745 + this.add(models, _.extend({silent: true}, options));
  746 + if (!options.silent) this.trigger('reset', this, options);
  747 + return this;
  748 + },
  749 +
  750 + // Fetch the default set of models for this collection, resetting the
  751 + // collection when they arrive. If `add: true` is passed, appends the
  752 + // models to the collection instead of resetting.
  753 + fetch: function(options) {
  754 + options = options ? _.clone(options) : {};
  755 + if (options.parse === undefined) options.parse = true;
  756 + var collection = this;
  757 + var success = options.success;
  758 + options.success = function(resp, status, xhr) {
  759 + collection[options.add ? 'add' : 'reset'](collection.parse(resp, xhr), options);
  760 + if (success) success(collection, resp);
  761 + };
  762 + options.error = Backbone.wrapError(options.error, collection, options);
  763 + return (this.sync || Backbone.sync).call(this, 'read', this, options);
  764 + },
  765 +
  766 + // Create a new instance of a model in this collection. Add the model to the
  767 + // collection immediately, unless `wait: true` is passed, in which case we
  768 + // wait for the server to agree.
  769 + create: function(model, options) {
  770 + var coll = this;
  771 + options = options ? _.clone(options) : {};
  772 + model = this._prepareModel(model, options);
  773 + if (!model) return false;
  774 + if (!options.wait) coll.add(model, options);
  775 + var success = options.success;
  776 + options.success = function(nextModel, resp, xhr) {
  777 + if (options.wait) coll.add(nextModel, options);
  778 + if (success) {
  779 + success(nextModel, resp);
  780 + } else {
  781 + nextModel.trigger('sync', model, resp, options);
  782 + }
  783 + };
  784 + model.save(null, options);
  785 + return model;
  786 + },
  787 +
  788 + // **parse** converts a response into a list of models to be added to the
  789 + // collection. The default implementation is just to pass it through.
  790 + parse: function(resp, xhr) {
  791 + return resp;
  792 + },
  793 +
  794 + // Proxy to _'s chain. Can't be proxied the same way the rest of the
  795 + // underscore methods are proxied because it relies on the underscore
  796 + // constructor.
  797 + chain: function () {
  798 + return _(this.models).chain();
  799 + },
  800 +
  801 + // Reset all internal state. Called when the collection is reset.
  802 + _reset: function(options) {
  803 + this.length = 0;
  804 + this.models = [];
  805 + this._byId = {};
  806 + this._byCid = {};
  807 + },
  808 +
  809 + // Prepare a model or hash of attributes to be added to this collection.
  810 + _prepareModel: function(model, options) {
  811 + options || (options = {});
  812 + if (!(model instanceof Model)) {
  813 + var attrs = model;
  814 + options.collection = this;
  815 + model = new this.model(attrs, options);
  816 + if (!model._validate(model.attributes, options)) model = false;
  817 + } else if (!model.collection) {
  818 + model.collection = this;
  819 + }
  820 + return model;
  821 + },
  822 +
  823 + // Internal method to remove a model's ties to a collection.
  824 + _removeReference: function(model) {
  825 + if (this == model.collection) {
  826 + delete model.collection;
  827 + }
  828 + model.off('all', this._onModelEvent, this);
  829 + },
  830 +
  831 + // Internal method called every time a model in the set fires an event.
  832 + // Sets need to update their indexes when models change ids. All other
  833 + // events simply proxy through. "add" and "remove" events that originate
  834 + // in other collections are ignored.
  835 + _onModelEvent: function(event, model, collection, options) {
  836 + if ((event == 'add' || event == 'remove') && collection != this) return;
  837 + if (event == 'destroy') {
  838 + this.remove(model, options);
  839 + }
  840 + if (model && event === 'change:' + model.idAttribute) {
  841 + delete this._byId[model.previous(model.idAttribute)];
  842 + this._byId[model.id] = model;
  843 + }
  844 + this.trigger.apply(this, arguments);
  845 + }
  846 +
  847 + });
  848 +
  849 + // Underscore methods that we want to implement on the Collection.
  850 + var methods = ['forEach', 'each', 'map', 'reduce', 'reduceRight', 'find',
  851 + 'detect', 'filter', 'select', 'reject', 'every', 'all', 'some', 'any',
  852 + 'include', 'contains', 'invoke', 'max', 'min', 'sortBy', 'sortedIndex',
  853 + 'toArray', 'size', 'first', 'initial', 'rest', 'last', 'without', 'indexOf',
  854 + 'shuffle', 'lastIndexOf', 'isEmpty', 'groupBy'];
  855 +
  856 + // Mix in each Underscore method as a proxy to `Collection#models`.
  857 + _.each(methods, function(method) {
  858 + Collection.prototype[method] = function() {
  859 + return _[method].apply(_, [this.models].concat(_.toArray(arguments)));
  860 + };
  861 + });
  862 +
  863 + // Backbone.Router
  864 + // -------------------
  865 +
  866 + // Routers map faux-URLs to actions, and fire events when routes are
  867 + // matched. Creating a new one sets its `routes` hash, if not set statically.
  868 + var Router = Backbone.Router = function(options) {
  869 + options || (options = {});
  870 + if (options.routes) this.routes = options.routes;
  871 + this._bindRoutes();
  872 + this.initialize.apply(this, arguments);
  873 + };
  874 +
  875 + // Cached regular expressions for matching named param parts and splatted
  876 + // parts of route strings.
  877 + var namedParam = /:\w+/g;
  878 + var splatParam = /\*\w+/g;
  879 + var escapeRegExp = /[-[\]{}()+?.,\\^$|#\s]/g;
  880 +
  881 + // Set up all inheritable **Backbone.Router** properties and methods.
  882 + _.extend(Router.prototype, Events, {
  883 +
  884 + // Initialize is an empty function by default. Override it with your own
  885 + // initialization logic.
  886 + initialize: function(){},
  887 +
  888 + // Manually bind a single named route to a callback. For example:
  889 + //
  890 + // this.route('search/:query/p:num', 'search', function(query, num) {
  891 + // ...
  892 + // });
  893 + //
  894 + route: function(route, name, callback) {
  895 + Backbone.history || (Backbone.history = new History);
  896 + if (!_.isRegExp(route)) route = this._routeToRegExp(route);
  897 + if (!callback) callback = this[name];
  898 + Backbone.history.route(route, _.bind(function(fragment) {
  899 + var args = this._extractParameters(route, fragment);
  900 + callback && callback.apply(this, args);
  901 + this.trigger.apply(this, ['route:' + name].concat(args));
  902 + Backbone.history.trigger('route', this, name, args);
  903 + }, this));
  904 + return this;
  905 + },
  906 +
  907 + // Simple proxy to `Backbone.history` to save a fragment into the history.
  908 + navigate: function(fragment, options) {
  909 + Backbone.history.navigate(fragment, options);
  910 + },
  911 +
  912 + // Bind all defined routes to `Backbone.history`. We have to reverse the
  913 + // order of the routes here to support behavior where the most general
  914 + // routes can be defined at the bottom of the route map.
  915 + _bindRoutes: function() {
  916 + if (!this.routes) return;
  917 + var routes = [];
  918 + for (var route in this.routes) {
  919 + routes.unshift([route, this.routes[route]]);
  920 + }
  921 + for (var i = 0, l = routes.length; i < l; i++) {
  922 + this.route(routes[i][0], routes[i][1], this[routes[i][1]]);
  923 + }
  924 + },
  925 +
  926 + // Convert a route string into a regular expression, suitable for matching
  927 + // against the current location hash.
  928 + _routeToRegExp: function(route) {
  929 + route = route.replace(escapeRegExp, '\\$&')
  930 + .replace(namedParam, '([^\/]+)')
  931 + .replace(splatParam, '(.*?)');
  932 + return new RegExp('^' + route + '$');
  933 + },
  934 +
  935 + // Given a route, and a URL fragment that it matches, return the array of
  936 + // extracted parameters.
  937 + _extractParameters: function(route, fragment) {
  938 + return route.exec(fragment).slice(1);
  939 + }
  940 +
  941 + });
  942 +
  943 + // Backbone.History
  944 + // ----------------
  945 +
  946 + // Handles cross-browser history management, based on URL fragments. If the
  947 + // browser does not support `onhashchange`, falls back to polling.
  948 + var History = Backbone.History = function() {
  949 + this.handlers = [];
  950 + _.bindAll(this, 'checkUrl');
  951 + };
  952 +
  953 + // Cached regex for cleaning leading hashes and slashes .
  954 + var routeStripper = /^[#\/]/;
  955 +
  956 + // Cached regex for detecting MSIE.
  957 + var isExplorer = /msie [\w.]+/;
  958 +
  959 + // Has the history handling already been started?
  960 + History.started = false;
  961 +
  962 + // Set up all inheritable **Backbone.History** properties and methods.
  963 + _.extend(History.prototype, Events, {
  964 +
  965 + // The default interval to poll for hash changes, if necessary, is
  966 + // twenty times a second.
  967 + interval: 50,
  968 +
  969 + // Gets the true hash value. Cannot use location.hash directly due to bug
  970 + // in Firefox where location.hash will always be decoded.
  971 + getHash: function(windowOverride) {
  972 + var loc = windowOverride ? windowOverride.location : window.location;
  973 + var match = loc.href.match(/#(.*)$/);
  974 + return match ? match[1] : '';
  975 + },
  976 +
  977 + // Get the cross-browser normalized URL fragment, either from the URL,
  978 + // the hash, or the override.
  979 + getFragment: function(fragment, forcePushState) {
  980 + if (fragment == null) {
  981 + if (this._hasPushState || forcePushState) {
  982 + fragment = window.location.pathname;
  983 + var search = window.location.search;
  984 + if (search) fragment += search;
  985 + } else {
  986 + fragment = this.getHash();
  987 + }
  988 + }
  989 + if (!fragment.indexOf(this.options.root)) fragment = fragment.substr(this.options.root.length);
  990 + return fragment.replace(routeStripper, '');
  991 + },
  992 +
  993 + // Start the hash change handling, returning `true` if the current URL matches
  994 + // an existing route, and `false` otherwise.
  995 + start: function(options) {
  996 + if (History.started) throw new Error("Backbone.history has already been started");
  997 + History.started = true;
  998 +
  999 + // Figure out the initial configuration. Do we need an iframe?
  1000 + // Is pushState desired ... is it available?
  1001 + this.options = _.extend({}, {root: '/'}, this.options, options);
  1002 + this._wantsHashChange = this.options.hashChange !== false;
  1003 + this._wantsPushState = !!this.options.pushState;
  1004 + this._hasPushState = !!(this.options.pushState && window.history && window.history.pushState);
  1005 + var fragment = this.getFragment();
  1006 + var docMode = document.documentMode;
  1007 + var oldIE = (isExplorer.exec(navigator.userAgent.toLowerCase()) && (!docMode || docMode <= 7));
  1008 +
  1009 + if (oldIE) {
  1010 + this.iframe = $('<iframe src="javascript:0" tabindex="-1" />').hide().appendTo('body')[0].contentWindow;
  1011 + this.navigate(fragment);
  1012 + }
  1013 +
  1014 + // Depending on whether we're using pushState or hashes, and whether
  1015 + // 'onhashchange' is supported, determine how we check the URL state.
  1016 + if (this._hasPushState) {
  1017 + $(window).bind('popstate', this.checkUrl);
  1018 + } else if (this._wantsHashChange && ('onhashchange' in window) && !oldIE) {
  1019 + $(window).bind('hashchange', this.checkUrl);
  1020 + } else if (this._wantsHashChange) {
  1021 + this._checkUrlInterval = setInterval(this.checkUrl, this.interval);
  1022 + }
  1023 +
  1024 + // Determine if we need to change the base url, for a pushState link
  1025 + // opened by a non-pushState browser.
  1026 + this.fragment = fragment;
  1027 + var loc = window.location;
  1028 + var atRoot = loc.pathname == this.options.root;
  1029 +
  1030 + // If we've started off with a route from a `pushState`-enabled browser,
  1031 + // but we're currently in a browser that doesn't support it...
  1032 + if (this._wantsHashChange && this._wantsPushState && !this._hasPushState && !atRoot) {
  1033 + this.fragment = this.getFragment(null, true);
  1034 + window.location.replace(this.options.root + '#' + this.fragment);
  1035 + // Return immediately as browser will do redirect to new url
  1036 + return true;
  1037 +
  1038 + // Or if we've started out with a hash-based route, but we're currently
  1039 + // in a browser where it could be `pushState`-based instead...
  1040 + } else if (this._wantsPushState && this._hasPushState && atRoot && loc.hash) {
  1041 + this.fragment = this.getHash().replace(routeStripper, '');
  1042 + window.history.replaceState({}, document.title, loc.protocol + '//' + loc.host + this.options.root + this.fragment);
  1043 + }
  1044 +
  1045 + if (!this.options.silent) {
  1046 + return this.loadUrl();
  1047 + }
  1048 + },
  1049 +
  1050 + // Disable Backbone.history, perhaps temporarily. Not useful in a real app,
  1051 + // but possibly useful for unit testing Routers.
  1052 + stop: function() {
  1053 + $(window).unbind('popstate', this.checkUrl).unbind('hashchange', this.checkUrl);
  1054 + clearInterval(this._checkUrlInterval);
  1055 + History.started = false;
  1056 + },
  1057 +
  1058 + // Add a route to be tested when the fragment changes. Routes added later
  1059 + // may override previous routes.
  1060 + route: function(route, callback) {
  1061 + this.handlers.unshift({route: route, callback: callback});
  1062 + },
  1063 +
  1064 + // Checks the current URL to see if it has changed, and if it has,
  1065 + // calls `loadUrl`, normalizing across the hidden iframe.
  1066 + checkUrl: function(e) {
  1067 + var current = this.getFragment();
  1068 + if (current == this.fragment && this.iframe) current = this.getFragment(this.getHash(this.iframe));
  1069 + if (current == this.fragment) return false;
  1070 + if (this.iframe) this.navigate(current);
  1071 + this.loadUrl() || this.loadUrl(this.getHash());
  1072 + },
  1073 +
  1074 + // Attempt to load the current URL fragment. If a route succeeds with a
  1075 + // match, returns `true`. If no defined routes matches the fragment,
  1076 + // returns `false`.
  1077 + loadUrl: function(fragmentOverride) {
  1078 + var fragment = this.fragment = this.getFragment(fragmentOverride);
  1079 + var matched = _.any(this.handlers, function(handler) {
  1080 + if (handler.route.test(fragment)) {
  1081 + handler.callback(fragment);
  1082 + return true;
  1083 + }
  1084 + });
  1085 + return matched;
  1086 + },
  1087 +
  1088 + // Save a fragment into the hash history, or replace the URL state if the
  1089 + // 'replace' option is passed. You are responsible for properly URL-encoding
  1090 + // the fragment in advance.
  1091 + //
  1092 + // The options object can contain `trigger: true` if you wish to have the
  1093 + // route callback be fired (not usually desirable), or `replace: true`, if
  1094 + // you wish to modify the current URL without adding an entry to the history.
  1095 + navigate: function(fragment, options) {
  1096 + if (!History.started) return false;
  1097 + if (!options || options === true) options = {trigger: options};
  1098 + var frag = (fragment || '').replace(routeStripper, '');
  1099 + if (this.fragment == frag) return;
  1100 +
  1101 + // If pushState is available, we use it to set the fragment as a real URL.
  1102 + if (this._hasPushState) {
  1103 + if (frag.indexOf(this.options.root) != 0) frag = this.options.root + frag;
  1104 + this.fragment = frag;
  1105 + window.history[options.replace ? 'replaceState' : 'pushState']({}, document.title, frag);
  1106 +
  1107 + // If hash changes haven't been explicitly disabled, update the hash
  1108 + // fragment to store history.
  1109 + } else if (this._wantsHashChange) {
  1110 + this.fragment = frag;
  1111 + this._updateHash(window.location, frag, options.replace);
  1112 + if (this.iframe && (frag != this.getFragment(this.getHash(this.iframe)))) {
  1113 + // Opening and closing the iframe tricks IE7 and earlier to push a history entry on hash-tag change.
  1114 + // When replace is true, we don't want this.
  1115 + if(!options.replace) this.iframe.document.open().close();
  1116 + this._updateHash(this.iframe.location, frag, options.replace);
  1117 + }
  1118 +
  1119 + // If you've told us that you explicitly don't want fallback hashchange-
  1120 + // based history, then `navigate` becomes a page refresh.
  1121 + } else {
  1122 + window.location.assign(this.options.root + fragment);
  1123 + }
  1124 + if (options.trigger) this.loadUrl(fragment);
  1125 + },
  1126 +
  1127 + // Update the hash location, either replacing the current entry, or adding
  1128 + // a new one to the browser history.
  1129 + _updateHash: function(location, fragment, replace) {
  1130 + if (replace) {
  1131 + location.replace(location.toString().replace(/(javascript:|#).*$/, '') + '#' + fragment);
  1132 + } else {
  1133 + location.hash = fragment;
  1134 + }
  1135 + }
  1136 + });
  1137 +
  1138 + // Backbone.View
  1139 + // -------------
  1140 +
  1141 + // Creating a Backbone.View creates its initial element outside of the DOM,
  1142 + // if an existing element is not provided...
  1143 + var View = Backbone.View = function(options) {
  1144 + this.cid = _.uniqueId('view');
  1145 + this._configure(options || {});
  1146 + this._ensureElement();
  1147 + this.initialize.apply(this, arguments);
  1148 + this.delegateEvents();
  1149 + };
  1150 +
  1151 + // Cached regex to split keys for `delegate`.
  1152 + var delegateEventSplitter = /^(\S+)\s*(.*)$/;
  1153 +
  1154 + // List of view options to be merged as properties.
  1155 + var viewOptions = ['model', 'collection', 'el', 'id', 'attributes', 'className', 'tagName'];
  1156 +
  1157 + // Set up all inheritable **Backbone.View** properties and methods.
  1158 + _.extend(View.prototype, Events, {
  1159 +
  1160 + // The default `tagName` of a View's element is `"div"`.
  1161 + tagName: 'div',
  1162 +
  1163 + // jQuery delegate for element lookup, scoped to DOM elements within the
  1164 + // current view. This should be prefered to global lookups where possible.
  1165 + $: function(selector) {
  1166 + return this.$el.find(selector);
  1167 + },
  1168 +
  1169 + // Initialize is an empty function by default. Override it with your own
  1170 + // initialization logic.
  1171 + initialize: function(){},
  1172 +
  1173 + // **render** is the core function that your view should override, in order
  1174 + // to populate its element (`this.el`), with the appropriate HTML. The
  1175 + // convention is for **render** to always return `this`.
  1176 + render: function() {
  1177 + return this;
  1178 + },
  1179 +
  1180 + // Remove this view from the DOM. Note that the view isn't present in the
  1181 + // DOM by default, so calling this method may be a no-op.
  1182 + remove: function() {
  1183 + this.$el.remove();
  1184 + return this;
  1185 + },
  1186 +
  1187 + // For small amounts of DOM Elements, where a full-blown template isn't
  1188 + // needed, use **make** to manufacture elements, one at a time.