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0 parents commit c250192996c2512df14de4ba5ea303e8c1b981b4 @rmurphey committed Apr 11, 2012
Showing with 22,021 additions and 0 deletions.
  1. +32 −0 app/config.js
  2. +3 −0 bin/serve
  3. +1,431 −0 lib/backbone.js
  4. +2,640 −0 lib/can.js
  5. +9,266 −0 lib/jquery.js
  6. +11 −0 lib/plugins/text.js
  7. +102 −0 lib/plugins/use.js
  8. +2,053 −0 lib/require.js
  9. +999 −0 lib/underscore.js
  10. +24 −0 package.json
  11. +28 −0 server/server.js
  12. +1,202 −0 tests/libs/expect.js
  13. +136 −0 tests/libs/mocha.css
  14. +4,067 −0 tests/libs/mocha.js
  15. +20 −0 tests/runner.html
  16. +7 −0 tests/runner.js
32 app/config.js
@@ -0,0 +1,32 @@
+// Set the require.js configuration for your application.
+require.config({
+ // Initialize the application with the main application file
+ deps : [ 'tests/runner' ],
+
+ paths : {
+ // JavaScript folders
+ lib : '../lib',
+ plugins : '../lib/plugins',
+ tests : '../tests',
+ app : '../app',
+
+ // Libraries
+ jquery : '../lib/jquery',
+ underscore : '../lib/underscore',
+ backbone : '../lib/backbone',
+
+ // Shim Plugin
+ use : '../lib/plugins/use',
+ text : '../lib/plugins/text'
+ },
+
+ use : {
+ underscore : {
+ attach : '_'
+ },
+ backbone : {
+ deps : [ 'use!underscore', 'jquery' ],
+ attach : 'Backbone'
+ }
+ }
+});
3 bin/serve
@@ -0,0 +1,3 @@
+server = require('../server/server.js');
+
+server({ port : 4444, dev : true });
1,431 lib/backbone.js
@@ -0,0 +1,1431 @@
+// Backbone.js 0.9.2
+
+// (c) 2010-2012 Jeremy Ashkenas, DocumentCloud Inc.
+// Backbone may be freely distributed under the MIT license.
+// For all details and documentation:
+// http://backbonejs.org
+
+(function(){
+
+ // Initial Setup
+ // -------------
+
+ // Save a reference to the global object (`window` in the browser, `global`
+ // on the server).
+ var root = this;
+
+ // Save the previous value of the `Backbone` variable, so that it can be
+ // restored later on, if `noConflict` is used.
+ var previousBackbone = root.Backbone;
+
+ // Create a local reference to slice/splice.
+ var slice = Array.prototype.slice;
+ var splice = Array.prototype.splice;
+
+ // The top-level namespace. All public Backbone classes and modules will
+ // be attached to this. Exported for both CommonJS and the browser.
+ var Backbone;
+ if (typeof exports !== 'undefined') {
+ Backbone = exports;
+ } else {
+ Backbone = root.Backbone = {};
+ }
+
+ // Current version of the library. Keep in sync with `package.json`.
+ Backbone.VERSION = '0.9.2';
+
+ // Require Underscore, if we're on the server, and it's not already present.
+ var _ = root._;
+ if (!_ && (typeof require !== 'undefined')) _ = require('underscore');
+
+ // For Backbone's purposes, jQuery, Zepto, or Ender owns the `$` variable.
+ var $ = root.jQuery || root.Zepto || root.ender;
+
+ // Set the JavaScript library that will be used for DOM manipulation and
+ // Ajax calls (a.k.a. the `$` variable). By default Backbone will use: jQuery,
+ // Zepto, or Ender; but the `setDomLibrary()` method lets you inject an
+ // alternate JavaScript library (or a mock library for testing your views
+ // outside of a browser).
+ Backbone.setDomLibrary = function(lib) {
+ $ = lib;
+ };
+
+ // Runs Backbone.js in *noConflict* mode, returning the `Backbone` variable
+ // to its previous owner. Returns a reference to this Backbone object.
+ Backbone.noConflict = function() {
+ root.Backbone = previousBackbone;
+ return this;
+ };
+
+ // Turn on `emulateHTTP` to support legacy HTTP servers. Setting this option
+ // will fake `"PUT"` and `"DELETE"` requests via the `_method` parameter and
+ // set a `X-Http-Method-Override` header.
+ Backbone.emulateHTTP = false;
+
+ // Turn on `emulateJSON` to support legacy servers that can't deal with direct
+ // `application/json` requests ... will encode the body as
+ // `application/x-www-form-urlencoded` instead and will send the model in a
+ // form param named `model`.
+ Backbone.emulateJSON = false;
+
+ // Backbone.Events
+ // -----------------
+
+ // Regular expression used to split event strings
+ var eventSplitter = /\s+/;
+
+ // A module that can be mixed in to *any object* in order to provide it with
+ // custom events. You may bind with `on` or remove with `off` callback functions
+ // to an event; trigger`-ing an event fires all callbacks in succession.
+ //
+ // var object = {};
+ // _.extend(object, Backbone.Events);
+ // object.on('expand', function(){ alert('expanded'); });
+ // object.trigger('expand');
+ //
+ var Events = Backbone.Events = {
+
+ // Bind one or more space separated events, `events`, to a `callback`
+ // function. Passing `"all"` will bind the callback to all events fired.
+ on: function(events, callback, context) {
+
+ var calls, event, node, tail, list;
+ if (!callback) return this;
+ events = events.split(eventSplitter);
+ calls = this._callbacks || (this._callbacks = {});
+
+ // Create an immutable callback list, allowing traversal during
+ // modification. The tail is an empty object that will always be used
+ // as the next node.
+ while (event = events.shift()) {
+ list = calls[event];
+ node = list ? list.tail : {};
+ node.next = tail = {};
+ node.context = context;
+ node.callback = callback;
+ calls[event] = {tail: tail, next: list ? list.next : node};
+ }
+
+ return this;
+ },
+
+ // Remove one or many callbacks. If `context` is null, removes all callbacks
+ // with that function. If `callback` is null, removes all callbacks for the
+ // event. If `events` is null, removes all bound callbacks for all events.
+ off: function(events, callback, context) {
+ var event, calls, node, tail, cb, ctx;
+
+ // No events, or removing *all* events.
+ if (!(calls = this._callbacks)) return;
+ if (!(events || callback || context)) {
+ delete this._callbacks;
+ return this;
+ }
+
+ // Loop through the listed events and contexts, splicing them out of the
+ // linked list of callbacks if appropriate.
+ events = events ? events.split(eventSplitter) : _.keys(calls);
+ while (event = events.shift()) {
+ node = calls[event];
+ delete calls[event];
+ if (!node || !(callback || context)) continue;
+ // Create a new list, omitting the indicated callbacks.
+ tail = node.tail;
+ while ((node = node.next) !== tail) {
+ cb = node.callback;
+ ctx = node.context;
+ if ((callback && cb !== callback) || (context && ctx !== context)) {
+ this.on(event, cb, ctx);
+ }
+ }
+ }
+
+ 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(events) {
+ var event, node, calls, tail, args, all, rest;
+ if (!(calls = this._callbacks)) return this;
+ all = calls.all;
+ events = events.split(eventSplitter);
+ rest = slice.call(arguments, 1);
+
+ // For each event, walk through the linked list of callbacks twice,
+ // first to trigger the event, then to trigger any `"all"` callbacks.
+ while (event = events.shift()) {
+ if (node = calls[event]) {
+ tail = node.tail;
+ while ((node = node.next) !== tail) {
+ node.callback.apply(node.context || this, rest);
+ }
+ }
+ if (node = all) {
+ tail = node.tail;
+ args = [event].concat(rest);
+ while ((node = node.next) !== tail) {
+ node.callback.apply(node.context || this, args);
+ }
+ }
+ }
+
+ return this;
+ }
+
+ };
+
+ // Aliases for backwards compatibility.
+ Events.bind = Events.on;
+ Events.unbind = Events.off;
+
+ // Backbone.Model
+ // --------------
+
+ // Create a new model, with defined attributes. A client id (`cid`)
+ // is automatically generated and assigned for you.
+ var Model = Backbone.Model = function(attributes, options) {
+ var defaults;
+ attributes || (attributes = {});
+ if (options && options.parse) attributes = this.parse(attributes);
+ if (defaults = getValue(this, 'defaults')) {
+ attributes = _.extend({}, defaults, attributes);
+ }
+ if (options && options.collection) this.collection = options.collection;
+ this.attributes = {};
+ this._escapedAttributes = {};
+ this.cid = _.uniqueId('c');
+ this.changed = {};
+ this._silent = {};
+ this._pending = {};
+ this.set(attributes, {silent: true});
+ // Reset change tracking.
+ this.changed = {};
+ this._silent = {};
+ this._pending = {};
+ this._previousAttributes = _.clone(this.attributes);
+ this.initialize.apply(this, arguments);
+ };
+
+ // Attach all inheritable methods to the Model prototype.
+ _.extend(Model.prototype, Events, {
+
+ // A hash of attributes whose current and previous value differ.
+ changed: null,
+
+ // A hash of attributes that have silently changed since the last time
+ // `change` was called. Will become pending attributes on the next call.
+ _silent: null,
+
+ // A hash of attributes that have changed since the last `'change'` event
+ // began.
+ _pending: 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);
+ },
+
+ // Get the value of an attribute.
+ get: function(attr) {
+ return this.attributes[attr];
+ },
+
+ // Get the HTML-escaped value of an attribute.
+ escape: function(attr) {
+ var html;
+ if (html = this._escapedAttributes[attr]) return html;
+ var val = this.get(attr);
+ return this._escapedAttributes[attr] = _.escape(val == null ? '' : '' + val);
+ },
+
+ // Returns `true` if the attribute contains a value that is not null
+ // or undefined.
+ has: function(attr) {
+ return this.get(attr) != null;
+ },
+
+ // Set a hash of model attributes on the object, firing `"change"` unless
+ // you choose to silence it.
+ set: function(key, value, options) {
+ var attrs, attr, val;
+
+ // Handle both `"key", value` and `{key: value}` -style arguments.
+ if (_.isObject(key) || key == null) {
+ attrs = key;
+ options = value;
+ } else {
+ attrs = {};
+ attrs[key] = value;
+ }
+
+ // Extract attributes and options.
+ options || (options = {});
+ if (!attrs) return this;
+ if (attrs instanceof Model) attrs = attrs.attributes;
+ if (options.unset) for (attr in attrs) attrs[attr] = void 0;
+
+ // Run validation.
+ if (!this._validate(attrs, options)) return false;
+
+ // Check for changes of `id`.
+ if (this.idAttribute in attrs) this.id = attrs[this.idAttribute];
+
+ var changes = options.changes = {};
+ var now = this.attributes;
+ var escaped = this._escapedAttributes;
+ var prev = this._previousAttributes || {};
+
+ // For each `set` attribute...
+ for (attr in attrs) {
+ val = attrs[attr];
+
+ // If the new and current value differ, record the change.
+ if (!_.isEqual(now[attr], val) || (options.unset && _.has(now, attr))) {
+ delete escaped[attr];
+ (options.silent ? this._silent : changes)[attr] = true;
+ }
+
+ // Update or delete the current value.
+ options.unset ? delete now[attr] : now[attr] = val;
+
+ // If the new and previous value differ, record the change. If not,
+ // then remove changes for this attribute.
+ if (!_.isEqual(prev[attr], val) || (_.has(now, attr) != _.has(prev, attr))) {
+ this.changed[attr] = val;
+ if (!options.silent) this._pending[attr] = true;
+ } else {
+ delete this.changed[attr];
+ delete this._pending[attr];
+ }
+ }
+
+ // Fire the `"change"` events.
+ if (!options.silent) this.change(options);
+ return this;
+ },
+
+ // Remove an attribute from the model, firing `"change"` unless you choose
+ // to silence it. `unset` is a noop if the attribute doesn't exist.
+ unset: function(attr, options) {
+ (options || (options = {})).unset = true;
+ return this.set(attr, null, options);
+ },
+
+ // Clear all attributes on the model, firing `"change"` unless you choose
+ // to silence it.
+ clear: function(options) {
+ (options || (options = {})).unset = true;
+ return this.set(_.clone(this.attributes), options);
+ },
+
+ // Fetch the model from the server. If the server's representation of the
+ // model differs from its current attributes, they will be overriden,
+ // triggering a `"change"` event.
+ fetch: function(options) {
+ options = options ? _.clone(options) : {};
+ var model = this;
+ var success = options.success;
+ options.success = function(resp, status, xhr) {
+ if (!model.set(model.parse(resp, xhr), options)) return false;
+ if (success) success(model, resp);
+ };
+ options.error = Backbone.wrapError(options.error, model, options);
+ return (this.sync || Backbone.sync).call(this, '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, value, options) {
+ var attrs, current;
+
+ // Handle both `("key", value)` and `({key: value})` -style calls.
+ if (_.isObject(key) || key == null) {
+ attrs = key;
+ options = value;
+ } else {
+ attrs = {};
+ attrs[key] = value;
+ }
+ options = options ? _.clone(options) : {};
+
+ // If we're "wait"-ing to set changed attributes, validate early.
+ if (options.wait) {
+ if (!this._validate(attrs, options)) return false;
+ current = _.clone(this.attributes);
+ }
+
+ // Regular saves `set` attributes before persisting to the server.
+ var silentOptions = _.extend({}, options, {silent: true});
+ if (attrs && !this.set(attrs, options.wait ? silentOptions : options)) {
+ return false;
+ }
+
+ // After a successful server-side save, the client is (optionally)
+ // updated with the server-side state.
+ var model = this;
+ var success = options.success;
+ options.success = function(resp, status, xhr) {
+ var serverAttrs = model.parse(resp, xhr);
+ if (options.wait) {
+ delete options.wait;
+ serverAttrs = _.extend(attrs || {}, serverAttrs);
+ }
+ if (!model.set(serverAttrs, options)) return false;
+ if (success) {
+ success(model, resp);
+ } else {
+ model.trigger('sync', model, resp, options);
+ }
+ };
+
+ // Finish configuring and sending the Ajax request.
+ options.error = Backbone.wrapError(options.error, model, options);
+ var method = this.isNew() ? 'create' : 'update';
+ var xhr = (this.sync || Backbone.sync).call(this, method, this, options);
+ if (options.wait) this.set(current, silentOptions);
+ return xhr;
+ },
+
+ // Destroy this model on the server if it was already persisted.
+ // Optimistically removes the model from its collection, if it has one.
+ // If `wait: true` is passed, waits for the server to respond before removal.
+ destroy: function(options) {
+ options = options ? _.clone(options) : {};
+ var model = this;
+ var success = options.success;
+
+ var triggerDestroy = function() {
+ model.trigger('destroy', model, model.collection, options);
+ };
+
+ if (this.isNew()) {
+ triggerDestroy();
+ return false;
+ }
+
+ options.success = function(resp) {
+ if (options.wait) triggerDestroy();
+ if (success) {
+ success(model, resp);
+ } else {
+ model.trigger('sync', model, resp, options);
+ }
+ };
+
+ options.error = Backbone.wrapError(options.error, model, options);
+ var xhr = (this.sync || Backbone.sync).call(this, 'delete', this, options);
+ if (!options.wait) triggerDestroy();
+ 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 = getValue(this, 'urlRoot') || getValue(this.collection, 'url') || urlError();
+ if (this.isNew()) return base;
+ return base + (base.charAt(base.length - 1) == '/' ? '' : '/') + encodeURIComponent(this.id);
+ },
+
+ // **parse** converts a response into the hash of attributes to be `set` on
+ // the model. The default implementation is just to pass the response along.
+ parse: function(resp, xhr) {
+ return resp;
+ },
+
+ // Create a new model with identical attributes to this one.
+ clone: function() {
+ return new this.constructor(this.attributes);
+ },
+
+ // A model is new if it has never been saved to the server, and lacks an id.
+ isNew: function() {
+ return this.id == null;
+ },
+
+ // Call this method to manually fire a `"change"` event for this model and
+ // a `"change:attribute"` event for each changed attribute.
+ // Calling this will cause all objects observing the model to update.
+ change: function(options) {
+ options || (options = {});
+ var changing = this._changing;
+ this._changing = true;
+
+ // Silent changes become pending changes.
+ for (var attr in this._silent) this._pending[attr] = true;
+
+ // Silent changes are triggered.
+ var changes = _.extend({}, options.changes, this._silent);
+ this._silent = {};
+ for (var attr in changes) {
+ this.trigger('change:' + attr, this, this.get(attr), options);
+ }
+ if (changing) return this;
+
+ // Continue firing `"change"` events while there are pending changes.
+ while (!_.isEmpty(this._pending)) {
+ this._pending = {};
+ this.trigger('change', this, options);
+ // Pending and silent changes still remain.
+ for (var attr in this.changed) {
+ if (this._pending[attr] || this._silent[attr]) continue;
+ delete this.changed[attr];
+ }
+ this._previousAttributes = _.clone(this.attributes);
+ }
+
+ this._changing = false;
+ return this;
+ },
+
+ // Determine if the model has changed since the last `"change"` event.
+ // If you specify an attribute name, determine if that attribute has changed.
+ hasChanged: function(attr) {
+ if (!arguments.length) return !_.isEmpty(this.changed);
+ return _.has(this.changed, attr);
+ },
+
+ // Return an object containing all the attributes that have changed, or
+ // false if there are no changed attributes. Useful for determining what
+ // parts of a view need to be updated and/or what attributes need to be
+ // persisted to the server. Unset attributes will be set to undefined.
+ // You can also pass an attributes object to diff against the model,
+ // determining if there *would be* a change.
+ changedAttributes: function(diff) {
+ if (!diff) return this.hasChanged() ? _.clone(this.changed) : false;
+ var val, changed = false, old = this._previousAttributes;
+ for (var attr in diff) {
+ if (_.isEqual(old[attr], (val = diff[attr]))) continue;
+ (changed || (changed = {}))[attr] = val;
+ }
+ return changed;
+ },
+
+ // Get the previous value of an attribute, recorded at the time the last
+ // `"change"` event was fired.
+ previous: function(attr) {
+ if (!arguments.length || !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);
+ },
+
+ // Check if the model is currently in a valid state. It's only possible to
+ // get into an *invalid* state if you're using silent changes.
+ isValid: function() {
+ return !this.validate(this.attributes);
+ },
+
+ // Run validation against the next complete set of model attributes,
+ // returning `true` if all is well. If a specific `error` callback has
+ // been passed, call that instead of firing the general `"error"` event.
+ _validate: function(attrs, options) {
+ if (options.silent || !this.validate) return true;
+ attrs = _.extend({}, this.attributes, attrs);
+ var error = this.validate(attrs, options);
+ if (!error) return true;
+ if (options && options.error) {
+ options.error(this, error, options);
+ } else {
+ this.trigger('error', this, error, options);
+ }
+ return false;
+ }
+
+ });
+
+ // Backbone.Collection
+ // -------------------
+
+ // Provides a standard collection class for our sets of models, ordered
+ // or unordered. If a `comparator` is specified, the Collection will maintain
+ // its models in sort order, as they're added and removed.
+ var Collection = Backbone.Collection = function(models, options) {
+ options || (options = {});
+ if (options.model) this.model = options.model;
+ if (options.comparator) this.comparator = options.comparator;
+ this._reset();
+ this.initialize.apply(this, arguments);
+ if (models) this.reset(models, {silent: true, parse: options.parse});
+ };
+
+ // 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); });
+ },
+
+ // Add a model, or list of models to the set. Pass **silent** to avoid
+ // firing the `add` event for every new model.
+ add: function(models, options) {
+ var i, index, length, model, cid, id, cids = {}, ids = {}, dups = [];
+ options || (options = {});
+ models = _.isArray(models) ? models.slice() : [models];
+
+ // Begin by turning bare objects into model references, and preventing
+ // invalid models or duplicate models from being added.
+ for (i = 0, length = models.length; i < length; i++) {
+ if (!(model = models[i] = this._prepareModel(models[i], options))) {
+ throw new Error("Can't add an invalid model to a collection");
+ }
+ cid = model.cid;
+ id = model.id;
+ if (cids[cid] || this._byCid[cid] || ((id != null) && (ids[id] || this._byId[id]))) {
+ dups.push(i);
+ continue;
+ }
+ cids[cid] = ids[id] = model;
+ }
+
+ // Remove duplicates.
+ i = dups.length;
+ while (i--) {
+ models.splice(dups[i], 1);
+ }
+
+ // Listen to added models' events, and index models for lookup by
+ // `id` and by `cid`.
+ for (i = 0, length = models.length; i < length; i++) {
+ (model = models[i]).on('all', this._onModelEvent, this);
+ this._byCid[model.cid] = model;
+ if (model.id != null) this._byId[model.id] = model;
+ }
+
+ // Insert models into the collection, re-sorting if needed, and triggering
+ // `add` events unless silenced.
+ this.length += length;
+ index = options.at != null ? options.at : this.models.length;
+ splice.apply(this.models, [index, 0].concat(models));
+ if (this.comparator) this.sort({silent: true});
+ if (options.silent) return this;
+ for (i = 0, length = this.models.length; i < length; i++) {
+ if (!cids[(model = this.models[i]).cid]) continue;
+ options.index = i;
+ model.trigger('add', model, this, options);
+ }
+ return this;
+ },
+
+ // Remove a model, or a list of models from the set. Pass silent to avoid
+ // firing the `remove` event for every model removed.
+ remove: function(models, options) {
+ var i, l, index, model;
+ options || (options = {});
+ models = _.isArray(models) ? models.slice() : [models];
+ for (i = 0, l = models.length; i < l; i++) {
+ model = this.getByCid(models[i]) || this.get(models[i]);
+ if (!model) continue;
+ delete this._byId[model.id];
+ delete this._byCid[model.cid];
+ index = this.indexOf(model);
+ this.models.splice(index, 1);
+ this.length--;
+ if (!options.silent) {
+ options.index = index;
+ model.trigger('remove', model, this, options);
+ }
+ this._removeReference(model);
+ }
+ return this;
+ },
+
+ // Add a model to the end of the collection.
+ push: function(model, options) {
+ model = this._prepareModel(model, options);
+ this.add(model, options);
+ return model;
+ },
+
+ // Remove a model from the end of the collection.
+ pop: function(options) {
+ var model = this.at(this.length - 1);
+ this.remove(model, options);
+ return model;
+ },
+
+ // Add a model to the beginning of the collection.
+ unshift: function(model, options) {
+ model = this._prepareModel(model, options);
+ this.add(model, _.extend({at: 0}, options));
+ return model;
+ },
+
+ // Remove a model from the beginning of the collection.
+ shift: function(options) {
+ var model = this.at(0);
+ this.remove(model, options);
+ return model;
+ },
+
+ // Get a model from the set by id.
+ get: function(id) {
+ if (id == null) return void 0;
+ return this._byId[id.id != null ? id.id : id];
+ },
+
+ // Get a model from the set by client id.
+ getByCid: function(cid) {
+ return cid && this._byCid[cid.cid || 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) {
+ if (_.isEmpty(attrs)) return [];
+ return this.filter(function(model) {
+ for (var key in attrs) {
+ if (attrs[key] !== model.get(key)) return false;
+ }
+ return true;
+ });
+ },
+
+ // Force the collection to re-sort itself. You don't need to call this under
+ // normal circumstances, as the set will maintain sort order as each item
+ // is added.
+ sort: function(options) {
+ options || (options = {});
+ if (!this.comparator) throw new Error('Cannot sort a set without a comparator');
+ var boundComparator = _.bind(this.comparator, this);
+ if (this.comparator.length == 1) {
+ this.models = this.sortBy(boundComparator);
+ } else {
+ this.models.sort(boundComparator);
+ }
+ if (!options.silent) this.trigger('reset', this, options);
+ return this;
+ },
+
+ // Pluck an attribute from each model in the collection.
+ pluck: function(attr) {
+ return _.map(this.models, function(model){ return model.get(attr); });
+ },
+
+ // When you have more items than you want to add or remove individually,
+ // you can reset the entire set with a new list of models, without firing
+ // any `add` or `remove` events. Fires `reset` when finished.
+ reset: function(models, options) {
+ models || (models = []);
+ options || (options = {});
+ for (var i = 0, l = this.models.length; i < l; i++) {
+ this._removeReference(this.models[i]);
+ }
+ this._reset();
+ this.add(models, _.extend({silent: true}, options));
+ if (!options.silent) this.trigger('reset', this, options);
+ return this;
+ },
+
+ // Fetch the default set of models for this collection, resetting the
+ // collection when they arrive. If `add: true` is passed, appends the
+ // models to the collection instead of resetting.
+ fetch: function(options) {
+ options = options ? _.clone(options) : {};
+ if (options.parse === undefined) options.parse = true;
+ var collection = this;
+ var success = options.success;
+ options.success = function(resp, status, xhr) {
+ collection[options.add ? 'add' : 'reset'](collection.parse(resp, xhr), options);
+ if (success) success(collection, resp);
+ };
+ options.error = Backbone.wrapError(options.error, collection, options);
+ return (this.sync || Backbone.sync).call(this, 'read', this, options);
+ },
+
+ // Create a new instance of a model in this collection. Add the model to the
+ // collection immediately, unless `wait: true` is passed, in which case we
+ // wait for the server to agree.
+ create: function(model, options) {
+ var coll = this;
+ options = options ? _.clone(options) : {};
+ model = this._prepareModel(model, options);
+ if (!model) return false;
+ if (!options.wait) coll.add(model, options);
+ var success = options.success;
+ options.success = function(nextModel, resp, xhr) {
+ if (options.wait) coll.add(nextModel, options);
+ if (success) {
+ success(nextModel, resp);
+ } else {
+ nextModel.trigger('sync', 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, xhr) {
+ return resp;
+ },
+
+ // Proxy to _'s chain. Can't be proxied the same way the rest of the
+ // underscore methods are proxied because it relies on the underscore
+ // constructor.
+ chain: function () {
+ return _(this.models).chain();
+ },
+
+ // Reset all internal state. Called when the collection is reset.
+ _reset: function(options) {
+ this.length = 0;
+ this.models = [];
+ this._byId = {};
+ this._byCid = {};
+ },
+
+ // Prepare a model or hash of attributes to be added to this collection.
+ _prepareModel: function(model, options) {
+ options || (options = {});
+ if (!(model instanceof Model)) {
+ var attrs = model;
+ options.collection = this;
+ model = new this.model(attrs, options);
+ if (!model._validate(model.attributes, options)) model = false;
+ } else if (!model.collection) {
+ model.collection = this;
+ }
+ return model;
+ },
+
+ // Internal method to remove a model's ties to a collection.
+ _removeReference: function(model) {
+ if (this == model.collection) {
+ delete model.collection;
+ }
+ model.off('all', this._onModelEvent, this);
+ },
+
+ // Internal method called every time a model in the set fires an event.
+ // Sets need to update their indexes when models change ids. All other
+ // events simply proxy through. "add" and "remove" events that originate
+ // in other collections are ignored.
+ _onModelEvent: function(event, model, collection, options) {
+ if ((event == 'add' || event == 'remove') && collection != this) return;
+ if (event == 'destroy') {
+ this.remove(model, options);
+ }
+ if (model && event === 'change:' + model.idAttribute) {
+ delete this._byId[model.previous(model.idAttribute)];
+ this._byId[model.id] = model;
+ }
+ this.trigger.apply(this, arguments);
+ }
+
+ });
+
+ // Underscore methods that we want to implement on the Collection.
+ var methods = ['forEach', 'each', 'map', 'reduce', 'reduceRight', 'find',
+ 'detect', 'filter', 'select', 'reject', 'every', 'all', 'some', 'any',
+ 'include', 'contains', 'invoke', 'max', 'min', 'sortBy', 'sortedIndex',
+ 'toArray', 'size', 'first', 'initial', 'rest', 'last', 'without', 'indexOf',
+ 'shuffle', 'lastIndexOf', 'isEmpty', 'groupBy'];
+
+ // Mix in each Underscore method as a proxy to `Collection#models`.
+ _.each(methods, function(method) {
+ Collection.prototype[method] = function() {
+ return _[method].apply(_, [this.models].concat(_.toArray(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 namedParam = /:\w+/g;
+ var splatParam = /\*\w+/g;
+ var escapeRegExp = /[-[\]{}()+?.,\\^$|#\s]/g;
+
+ // Set up all inheritable **Backbone.Router** properties and methods.
+ _.extend(Router.prototype, Events, {
+
+ // Initialize is an empty function by default. Override it with your own
+ // initialization logic.
+ initialize: function(){},
+
+ // Manually bind a single named route to a callback. For example:
+ //
+ // this.route('search/:query/p:num', 'search', function(query, num) {
+ // ...
+ // });
+ //
+ route: function(route, name, callback) {
+ Backbone.history || (Backbone.history = new History);
+ if (!_.isRegExp(route)) route = this._routeToRegExp(route);
+ if (!callback) callback = this[name];
+ Backbone.history.route(route, _.bind(function(fragment) {
+ var args = this._extractParameters(route, fragment);
+ callback && callback.apply(this, args);
+ this.trigger.apply(this, ['route:' + name].concat(args));
+ Backbone.history.trigger('route', this, name, args);
+ }, this));
+ return this;
+ },
+
+ // Simple proxy to `Backbone.history` to save a fragment into the history.
+ navigate: function(fragment, options) {
+ Backbone.history.navigate(fragment, options);
+ },
+
+ // Bind all defined routes to `Backbone.history`. We have to reverse the
+ // order of the routes here to support behavior where the most general
+ // routes can be defined at the bottom of the route map.
+ _bindRoutes: function() {
+ if (!this.routes) return;
+ var routes = [];
+ for (var route in this.routes) {
+ routes.unshift([route, this.routes[route]]);
+ }
+ for (var i = 0, l = routes.length; i < l; i++) {
+ this.route(routes[i][0], routes[i][1], this[routes[i][1]]);
+ }
+ },
+
+ // Convert a route string into a regular expression, suitable for matching
+ // against the current location hash.
+ _routeToRegExp: function(route) {
+ route = route.replace(escapeRegExp, '\\$&')
+ .replace(namedParam, '([^\/]+)')
+ .replace(splatParam, '(.*?)');
+ return new RegExp('^' + route + '$');
+ },
+
+ // Given a route, and a URL fragment that it matches, return the array of
+ // extracted parameters.
+ _extractParameters: function(route, fragment) {
+ return route.exec(fragment).slice(1);
+ }
+
+ });
+
+ // Backbone.History
+ // ----------------
+
+ // Handles cross-browser history management, based on URL fragments. If the
+ // browser does not support `onhashchange`, falls back to polling.
+ var History = Backbone.History = function() {
+ this.handlers = [];
+ _.bindAll(this, 'checkUrl');
+ };
+
+ // Cached regex for cleaning leading hashes and slashes .
+ var routeStripper = /^[#\/]/;
+
+ // Cached regex for detecting MSIE.
+ var isExplorer = /msie [\w.]+/;
+
+ // Has the history handling already been started?
+ History.started = false;
+
+ // Set up all inheritable **Backbone.History** properties and methods.
+ _.extend(History.prototype, Events, {
+
+ // The default interval to poll for hash changes, if necessary, is
+ // twenty times a second.
+ interval: 50,
+
+ // Gets the true hash value. Cannot use location.hash directly due to bug
+ // in Firefox where location.hash will always be decoded.
+ getHash: function(windowOverride) {
+ var loc = windowOverride ? windowOverride.location : window.location;
+ var match = loc.href.match(/#(.*)$/);
+ return match ? match[1] : '';
+ },
+
+ // Get the cross-browser normalized URL fragment, either from the URL,
+ // the hash, or the override.
+ getFragment: function(fragment, forcePushState) {
+ if (fragment == null) {
+ if (this._hasPushState || forcePushState) {
+ fragment = window.location.pathname;
+ var search = window.location.search;
+ if (search) fragment += search;
+ } else {
+ fragment = this.getHash();
+ }
+ }
+ if (!fragment.indexOf(this.options.root)) fragment = fragment.substr(this.options.root.length);
+ 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._wantsHashChange = this.options.hashChange !== false;
+ this._wantsPushState = !!this.options.pushState;
+ this._hasPushState = !!(this.options.pushState && window.history && window.history.pushState);
+ var fragment = this.getFragment();
+ var docMode = document.documentMode;
+ var oldIE = (isExplorer.exec(navigator.userAgent.toLowerCase()) && (!docMode || docMode <= 7));
+
+ if (oldIE) {
+ this.iframe = $('<iframe src="javascript:0" tabindex="-1" />').hide().appendTo('body')[0].contentWindow;
+ this.navigate(fragment);
+ }
+
+ // Depending on whether we're using pushState or hashes, and whether
+ // 'onhashchange' is supported, determine how we check the URL state.
+ if (this._hasPushState) {
+ $(window).bind('popstate', this.checkUrl);
+ } else if (this._wantsHashChange && ('onhashchange' in window) && !oldIE) {
+ $(window).bind('hashchange', this.checkUrl);
+ } else if (this._wantsHashChange) {
+ this._checkUrlInterval = setInterval(this.checkUrl, this.interval);
+ }
+
+ // Determine if we need to change the base url, for a pushState link
+ // opened by a non-pushState browser.
+ this.fragment = fragment;
+ var loc = window.location;
+ var atRoot = loc.pathname == this.options.root;
+
+ // If we've started off with a route from a `pushState`-enabled browser,
+ // but we're currently in a browser that doesn't support it...
+ if (this._wantsHashChange && this._wantsPushState && !this._hasPushState && !atRoot) {
+ this.fragment = this.getFragment(null, true);
+ window.location.replace(this.options.root + '#' + this.fragment);
+ // Return immediately as browser will do redirect to new url
+ return true;
+
+ // Or if we've started out with a hash-based route, but we're currently
+ // in a browser where it could be `pushState`-based instead...
+ } else if (this._wantsPushState && this._hasPushState && atRoot && loc.hash) {
+ this.fragment = this.getHash().replace(routeStripper, '');
+ window.history.replaceState({}, document.title, loc.protocol + '//' + loc.host + this.options.root + this.fragment);
+ }
+
+ 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() {
+ $(window).unbind('popstate', this.checkUrl).unbind('hashchange', this.checkUrl);
+ clearInterval(this._checkUrlInterval);
+ History.started = false;
+ },
+
+ // Add a route to be tested when the fragment changes. Routes added later
+ // may override previous routes.
+ route: function(route, callback) {
+ this.handlers.unshift({route: route, callback: callback});
+ },
+
+ // Checks the current URL to see if it has changed, and if it has,
+ // calls `loadUrl`, normalizing across the hidden iframe.
+ checkUrl: function(e) {
+ var current = this.getFragment();
+ if (current == this.fragment && this.iframe) current = this.getFragment(this.getHash(this.iframe));
+ if (current == this.fragment) return false;
+ if (this.iframe) this.navigate(current);
+ this.loadUrl() || this.loadUrl(this.getHash());
+ },
+
+ // Attempt to load the current URL fragment. If a route succeeds with a
+ // match, returns `true`. If no defined routes matches the fragment,
+ // returns `false`.
+ loadUrl: function(fragmentOverride) {
+ var fragment = this.fragment = this.getFragment(fragmentOverride);
+ var matched = _.any(this.handlers, function(handler) {
+ if (handler.route.test(fragment)) {
+ handler.callback(fragment);
+ return true;
+ }
+ });
+ return matched;
+ },
+
+ // Save a fragment into the hash history, or replace the URL state if the
+ // 'replace' option is passed. You are responsible for properly URL-encoding
+ // the fragment in advance.
+ //
+ // The options object can contain `trigger: true` if you wish to have the
+ // route callback be fired (not usually desirable), or `replace: true`, if
+ // you wish to modify the current URL without adding an entry to the history.
+ navigate: function(fragment, options) {
+ if (!History.started) return false;
+ if (!options || options === true) options = {trigger: options};
+ var frag = (fragment || '').replace(routeStripper, '');
+ if (this.fragment == frag) return;
+
+ // If pushState is available, we use it to set the fragment as a real URL.
+ if (this._hasPushState) {
+ if (frag.indexOf(this.options.root) != 0) frag = this.options.root + frag;
+ this.fragment = frag;
+ window.history[options.replace ? 'replaceState' : 'pushState']({}, document.title, frag);
+
+ // If hash changes haven't been explicitly disabled, update the hash
+ // fragment to store history.
+ } else if (this._wantsHashChange) {
+ this.fragment = frag;
+ this._updateHash(window.location, frag, options.replace);
+ if (this.iframe && (frag != this.getFragment(this.getHash(this.iframe)))) {
+ // Opening and closing the iframe tricks IE7 and earlier to push a history entry on hash-tag change.
+ // When replace is true, we don't want this.
+ if(!options.replace) this.iframe.document.open().close();
+ this._updateHash(this.iframe.location, frag, options.replace);
+ }
+
+ // If you've told us that you explicitly don't want fallback hashchange-
+ // based history, then `navigate` becomes a page refresh.
+ } else {
+ window.location.assign(this.options.root + fragment);
+ }
+ if (options.trigger) this.loadUrl(fragment);
+ },
+
+ // Update the hash location, either replacing the current entry, or adding
+ // a new one to the browser history.
+ _updateHash: function(location, fragment, replace) {
+ if (replace) {
+ location.replace(location.toString().replace(/(javascript:|#).*$/, '') + '#' + fragment);
+ } else {
+ location.hash = fragment;
+ }
+ }
+ });
+
+ // Backbone.View
+ // -------------
+
+ // Creating a Backbone.View creates its initial element outside of the DOM,
+ // if an existing element is not provided...
+ var View = Backbone.View = function(options) {
+ this.cid = _.uniqueId('view');
+ this._configure(options || {});
+ this._ensureElement();
+ this.initialize.apply(this, arguments);
+ this.delegateEvents();
+ };
+
+ // Cached regex to split keys for `delegate`.
+ var delegateEventSplitter = /^(\S+)\s*(.*)$/;
+
+ // List of view options to be merged as properties.
+ var viewOptions = ['model', 'collection', 'el', 'id', 'attributes', 'className', 'tagName'];
+
+ // Set up all inheritable **Backbone.View** properties and methods.
+ _.extend(View.prototype, Events, {
+
+ // The default `tagName` of a View's element is `"div"`.
+ tagName: 'div',
+
+ // jQuery delegate for element lookup, scoped to DOM elements within the
+ // current view. This should be prefered to global lookups where possible.
+ $: function(selector) {
+ return this.$el.find(selector);
+ },
+
+ // Initialize is an empty function by default. Override it with your own
+ // initialization logic.
+ initialize: function(){},
+
+ // **render** is the core function that your view should override, in order
+ // to populate its element (`this.el`), with the appropriate HTML. The
+ // convention is for **render** to always return `this`.
+ render: function() {
+ return this;
+ },
+
+ // Remove this view from the DOM. Note that the view isn't present in the
+ // DOM by default, so calling this method may be a no-op.
+ remove: function() {
+ this.$el.remove();
+ return this;
+ },
+
+ // For small amounts of DOM Elements, where a full-blown template isn't
+ // needed, use **make** to manufacture elements, one at a time.
+ //
+ // var el = this.make('li', {'class': 'row'}, this.model.escape('title'));
+ //
+ make: function(tagName, attributes, content) {
+ var el = document.createElement(tagName);
+ if (attributes) $(el).attr(attributes);
+ if (content) $(el).html(content);
+ return el;
+ },
+
+ // Change the view's element (`this.el` property), including event
+ // re-delegation.
+ setElement: function(element, delegate) {
+ if (this.$el) this.undelegateEvents();
+ this.$el = (element instanceof $) ? element : $(element);
+ this.el = this.$el[0];
+ if (delegate !== false) this.delegateEvents();
+ return this;
+ },
+
+ // Set callbacks, where `this.events` is a hash of
+ //
+ // *{"event selector": "callback"}*
+ //
+ // {
+ // 'mousedown .title': 'edit',
+ // 'click .button': 'save'
+ // 'click .open': function(e) { ... }
+ // }
+ //
+ // pairs. Callbacks will be bound to the view, with `this` set properly.
+ // Uses event delegation for efficiency.
+ // Omitting the selector binds the event to `this.el`.
+ // This only works for delegate-able events: not `focus`, `blur`, and
+ // not `change`, `submit`, and `reset` in Internet Explorer.
+ delegateEvents: function(events) {
+ if (!(events || (events = getValue(this, 'events')))) return;
+ this.undelegateEvents();
+ for (var key in events) {
+ var method = events[key];
+ if (!_.isFunction(method)) method = this[events[key]];
+ if (!method) throw new Error('Method "' + events[key] + '" does not exist');
+ var match = key.match(delegateEventSplitter);
+ var eventName = match[1], selector = match[2];
+ method = _.bind(method, this);
+ eventName += '.delegateEvents' + this.cid;
+ if (selector === '') {
+ this.$el.bind(eventName, method);
+ } else {
+ this.$el.delegate(selector, eventName, method);
+ }
+ }
+ },
+
+ // Clears all callbacks previously bound to the view with `delegateEvents`.
+ // You usually don't need to use this, but may wish to if you have multiple
+ // Backbone views attached to the same DOM element.
+ undelegateEvents: function() {
+ this.$el.unbind('.delegateEvents' + this.cid);
+ },
+
+ // Performs the initial configuration of a View with a set of options.
+ // Keys with special meaning *(model, collection, id, className)*, are
+ // attached directly to the view.
+ _configure: function(options) {
+ if (this.options) options = _.extend({}, this.options, options);
+ for (var i = 0, l = viewOptions.length; i < l; i++) {
+ var attr = viewOptions[i];
+ if (options[attr]) this[attr] = options[attr];
+ }
+ this.options = options;
+ },
+
+ // Ensure that the View has a DOM element to render into.
+ // If `this.el` is a string, pass it through `$()`, take the first
+ // matching element, and re-assign it to `el`. Otherwise, create
+ // an element from the `id`, `className` and `tagName` properties.
+ _ensureElement: function() {
+ if (!this.el) {
+ var attrs = getValue(this, 'attributes') || {};
+ if (this.id) attrs.id = this.id;
+ if (this.className) attrs['class'] = this.className;
+ this.setElement(this.make(this.tagName, attrs), false);
+ } else {
+ this.setElement(this.el, false);
+ }
+ }
+
+ });
+
+ // The self-propagating extend function that Backbone classes use.
+ var extend = function (protoProps, classProps) {
+ var child = inherits(this, protoProps, classProps);
+ child.extend = this.extend;
+ return child;
+ };
+
+ // Set up inheritance for the model, collection, and view.
+ Model.extend = Collection.extend = Router.extend = View.extend = extend;
+
+ // Backbone.sync
+ // -------------
+
+ // Map from CRUD to HTTP for our default `Backbone.sync` implementation.
+ var methodMap = {
+ 'create': 'POST',
+ 'update': 'PUT',
+ 'delete': 'DELETE',
+ 'read': 'GET'
+ };
+
+ // Override this function to change the manner in which Backbone persists
+ // models to the server. You will be passed the type of request, and the
+ // model in question. By default, makes a RESTful Ajax request
+ // to the model's `url()`. Some possible customizations could be:
+ //
+ // * Use `setTimeout` to batch rapid-fire updates into a single request.
+ // * Send up the models as XML instead of JSON.
+ // * Persist models via WebSockets instead of Ajax.
+ //
+ // Turn on `Backbone.emulateHTTP` in order to send `PUT` and `DELETE` requests
+ // as `POST`, with a `_method` parameter containing the true HTTP method,
+ // as well as all requests with the body as `application/x-www-form-urlencoded`
+ // instead of `application/json` with the model in a param named `model`.
+ // Useful when interfacing with server-side languages like **PHP** that make
+ // it difficult to read the body of `PUT` requests.
+ Backbone.sync = function(method, model, options) {
+ var type = methodMap[method];
+
+ // Default options, unless specified.
+ options || (options = {});
+
+ // Default JSON-request options.
+ var params = {type: type, dataType: 'json'};
+
+ // Ensure that we have a URL.
+ if (!options.url) {
+ params.url = getValue(model, 'url') || urlError();
+ }
+
+ // Ensure that we have the appropriate request data.
+ if (!options.data && model && (method == 'create' || method == 'update')) {
+ params.contentType = 'application/json';
+ params.data = JSON.stringify(model.toJSON());
+ }
+
+ // For older servers, emulate JSON by encoding the request into an HTML-form.
+ if (Backbone.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 (Backbone.emulateHTTP) {
+ if (type === 'PUT' || type === 'DELETE') {
+ if (Backbone.emulateJSON) params.data._method = type;
+ params.type = 'POST';
+ params.beforeSend = function(xhr) {
+ xhr.setRequestHeader('X-HTTP-Method-Override', type);
+ };
+ }
+ }
+
+ // Don't process data on a non-GET request.
+ if (params.type !== 'GET' && !Backbone.emulateJSON) {
+ params.processData = false;
+ }
+
+ // Make the request, allowing the user to override any Ajax options.
+ return $.ajax(_.extend(params, options));
+ };
+
+ // Wrap an optional error callback with a fallback error event.
+ Backbone.wrapError = function(onError, originalModel, options) {
+ return function(model, resp) {
+ resp = model === originalModel ? resp : model;
+ if (onError) {
+ onError(originalModel, resp, options);
+ } else {
+ originalModel.trigger('error', originalModel, resp, options);
+ }
+ };
+ };
+
+ // Helpers
+ // -------
+
+ // Shared empty constructor function to aid in prototype-chain creation.
+ var ctor = function(){};
+
+ // 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 inherits = function(parent, protoProps, staticProps) {
+ 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 && protoProps.hasOwnProperty('constructor')) {
+ child = protoProps.constructor;
+ } else {
+ child = function(){ parent.apply(this, arguments); };
+ }
+
+ // Inherit class (static) properties from parent.
+ _.extend(child, parent);
+
+ // Set the prototype chain to inherit from `parent`, without calling
+ // `parent`'s constructor function.
+ ctor.prototype = parent.prototype;
+ child.prototype = new ctor();
+
+ // Add prototype properties (instance properties) to the subclass,
+ // if supplied.
+ if (protoProps) _.extend(child.prototype, protoProps);
+
+ // Add static properties to the constructor function, if supplied.
+ if (staticProps) _.extend(child, staticProps);
+
+ // Correctly set child's `prototype.constructor`.
+ child.prototype.constructor = child;
+
+ // Set a convenience property in case the parent's prototype is needed later.
+ child.__super__ = parent.prototype;
+
+ return child;
+ };
+
+ // Helper function to get a value from a Backbone object as a property
+ // or as a function.
+ var getValue = function(object, prop) {
+ if (!(object && object[prop])) return null;
+ return _.isFunction(object[prop]) ? object[prop]() : object[prop];
+ };
+
+ // Throw an error when a URL is needed, and none is supplied.
+ var urlError = function() {
+ throw new Error('A "url" property or function must be specified');
+ };
+
+}).call(this);
2,640 lib/can.js
@@ -0,0 +1,2640 @@
+(function(can, window, undefined){
+// # CanJS v3.3.3
+// © 2012 Bitovi
+// MIT license
+// [http://canjs.us/](http://canjs.us/)
+
+ // jquery.js
+ // ---------
+ // _jQuery node list._
+ $.extend( can, jQuery, {
+ trigger: function( obj, event, args ) {
+ obj.trigger ?
+ obj.trigger( event, args ) :
+ $.event.trigger( event, args, obj, true );
+ },
+ addEvent: function(ev, cb){
+ $([this]).bind(ev, cb)
+ return this;
+ },
+ removeEvent: function(ev, cb){
+ $([this]).unbind(ev, cb)
+ return this;
+ },
+ $: jQuery,
+ prototype: jQuery.fn
+ });
+
+ // Wrap binding functions.
+ $.each(['bind','unbind','undelegate','delegate'],function(i,func){
+ can[func] = function(){
+ var t = this[func] ? this : $([this])
+ t[func].apply(t, arguments)
+ return this;
+ }
+ })
+
+ // Wrap modifier functions.
+ $.each(["append","filter","addClass","remove","data","get"], function(i,name){
+ can[name] = function(wrapped){
+ return wrapped[name].apply(wrapped, can.makeArray(arguments).slice(1))
+ }
+ })
+
+ // Memory safe destruction.
+ var oldClean = $.cleanData;
+
+ $.cleanData = function( elems ) {
+ $.each( elems, function( i, elem ) {
+ can.trigger(elem,"destroyed",[],false)
+ });
+ oldClean(elems);
+ };
+
+ // ##string.js
+ // _Miscellaneous string utility functions._
+
+ // Several of the methods in this plugin use code adapated from Prototype
+ // Prototype JavaScript framework, version 1.6.0.1.
+ // © 2005-2007 Sam Stephenson
+ var undHash = /_|-/,
+ colons = /==/,
+ words = /([A-Z]+)([A-Z][a-z])/g,
+ lowUp = /([a-z\d])([A-Z])/g,
+ dash = /([a-z\d])([A-Z])/g,
+ replacer = /\{([^\}]+)\}/g,
+ quote = /"/g,
+ singleQuote = /'/g,
+
+ // Returns the `prop` property from `obj`.
+ // If `add` is true and `prop` doesn't exist in `obj`, create it as an
+ // empty object.
+ getNext = function( obj, prop, add ) {
+ return prop in obj ?
+ obj[ prop ] :
+ ( add && ( obj[ prop ] = {} ));
+ },
+
+ // Returns `true` if the object can have properties (no `null`s).
+ isContainer = function( current ) {
+ return /^f|^o/.test( typeof current );
+ };
+
+ can.extend(can, {
+ // Escapes strings for HTML.
+ esc : function( content ) {
+ return ( "" + content )
+ .replace(/&/g, '&amp;')
+ .replace(/</g, '&lt;')
+ .replace(/>/g, '&gt;')
+ .replace(quote, '&#34;')
+ .replace(singleQuote, "&#39;");
+ },
+
+ getObject : function( name, roots, add ) {
+
+ // The parts of the name we are looking up
+ // `['App','Models','Recipe']`
+ var parts = name ? name.split('.') : [],
+ length = parts.length,
+ current,
+ r = 0,
+ ret, i;
+
+ // Make sure roots is an `array`.
+ roots = can.isArray(roots) ? roots : [roots || window];
+
+ if ( ! length ) {
+ return roots[0];
+ }
+
+ // For each root, mark it as current.
+ while( current = roots[r++] ) {
+
+ // Walk current to the 2nd to last object or until there
+ // is not a container.
+ for (i =0; i < length - 1 && isContainer( current ); i++ ) {
+ current = getNext( current, parts[i], add );
+ }
+
+ // If we can get a property from the 2nd to last object...
+ if( isContainer(current) ) {
+
+ // Get (and possibly set) the property.
+ ret = getNext(current, parts[i], add);
+
+ // If there is a value, we exit.
+ if ( ret !== undefined ) {
+ // If `add` is `false`, delete the property
+ if ( add === false ) {
+ delete current[parts[i]];
+ }
+ return ret;
+
+ }
+ }
+ }
+ },
+ // Capitalizes a string.
+ capitalize: function( s, cache ) {
+ // Used to make newId.
+ return s.charAt(0).toUpperCase() + s.slice(1);
+ },
+
+ // Underscores a string.
+ underscore: function( s ) {
+ return s
+ .replace(colons, '/')
+ .replace(words, '$1_$2')
+ .replace(lowUp, '$1_$2')
+ .replace(dash, '_')
+ .toLowerCase();
+ },
+ // Micro-templating.
+ sub: function( str, data, remove ) {
+
+ var obs = [];
+
+ obs.push( str.replace( replacer, function( whole, inside ) {
+
+ // Convert inside to type.
+ var ob = can.getObject( inside, data, remove );
+
+ // If a container, push into objs (which will return objects found).
+ if ( isContainer( ob ) ) {
+ obs.push( ob );
+ return "";
+ } else {
+ return "" + ob;
+ }
+ }));
+
+ return obs.length <= 1 ? obs[0] : obs;
+ },
+
+ // These regex's are used throughout the rest of can, so let's make
+ // them available.
+ replacer : replacer,
+ undHash : undHash
+ });
+
+ // ## construct.js
+ // `can.Construct`
+ // _This is a modified version of
+ // [John Resig's class](http://ejohn.org/blog/simple-javascript-inheritance/).
+ // It provides class level inheritance and callbacks._
+
+ // A private flag used to initialize a new class instance without
+ // initializing it's bindings.
+ var initializing = 0;
+
+ can.Construct = function() {
+ if (arguments.length) {
+ return can.Construct.extend.apply(can.Construct, arguments);
+ }
+ };
+
+ can.extend(can.Construct, {
+ newInstance: function() {
+ // Get a raw instance object (`init` is not called).
+ var inst = this.instance(),
+ arg = arguments,
+ args;
+
+ // Call `setup` if there is a `setup`
+ if ( inst.setup ) {
+ args = inst.setup.apply(inst, arguments);
+ }
+
+ // Call `init` if there is an `init`
+ // If `setup` returned `args`, use those as the arguments
+ if ( inst.init ) {
+ inst.init.apply(inst, args || arguments);
+ }
+
+ return inst;
+ },
+ // Overwrites an object with methods. Used in the `super` plugin.
+ // `newProps` - New properties to add.
+ // `oldProps` - Where the old properties might be (used with `super`).
+ // `addTo` - What we are adding to.
+ _inherit: function( newProps, oldProps, addTo ) {
+ can.extend(addTo || newProps, newProps || {})
+ },
+
+ // Set `defaults` as the merger of the parent `defaults` and this
+ // object's `defaults`. If you overwrite this method, make sure to
+ // include option merging logic.
+ setup: function( base, fullName ) {
+ this.defaults = can.extend(true,{}, base.defaults, this.defaults);
+ },
+ // Create's a new `class` instance without initializing by setting the
+ // `initializing` flag.
+ instance: function() {
+
+ // Prevents running `init`.
+ initializing = 1;
+
+ var inst = new this();
+
+ // Allow running `init`.
+ initializing = 0;
+
+ return inst;
+ },
+ // Extends classes.
+ extend: function( fullName, klass, proto ) {
+ // Figure out what was passed and normalize it.
+ if ( typeof fullName != 'string' ) {
+ proto = klass;
+ klass = fullName;
+ fullName = null;
+ }
+
+ if ( ! proto ) {
+ proto = klass;
+ klass = null;
+ }
+ proto = proto || {};
+
+ var _super_class = this,
+ _super = this.prototype,
+ name, shortName, namespace, prototype;
+
+ // Instantiate a base class (but only create the instance,
+ // don't run the init constructor).
+ prototype = this.instance();
+
+ // Copy the properties over onto the new prototype.
+ _super_class._inherit(proto, _super, prototype);
+
+ // The dummy class constructor.
+ function Constructor() {
+ // All construction is actually done in the init method.
+ if ( ! initializing ) {
+ return this.constructor !== Constructor && arguments.length ?
+ // We are being called without `new` or we are extending.
+ arguments.callee.extend.apply(arguments.callee, arguments) :
+ // We are being called with `new`.
+ this.constructor.newInstance.apply(this.constructor, arguments);
+ }
+ }
+
+ // Copy old stuff onto class (can probably be merged w/ inherit)
+ for ( name in _super_class ) {
+ if ( _super_class.hasOwnProperty(name) ) {
+ Constructor[name] = _super_class[name];
+ }
+ }
+
+ // Copy new static properties on class.
+ _super_class._inherit(klass, _super_class, Constructor);
+
+ // Setup namespaces.
+ if ( fullName ) {
+
+ var parts = fullName.split('.'),
+ shortName = parts.pop(),
+ current = can.getObject(parts.join('.'), window, true),
+ namespace = current,
+ _fullName = can.underscore(fullName.replace(/\./g, "_")),
+ _shortName = can.underscore(shortName);
+
+ //@steal-remove-start
+ if(current[shortName]){
+
+ }
+ //@steal-remove-end
+
+ current[shortName] = Constructor;
+ }
+
+ // Set things that shouldn't be overwritten.
+ can.extend(Constructor, {
+ constructor: Constructor,
+ prototype: prototype,
+ namespace: namespace,
+ shortName: shortName,
+ _shortName : _shortName,
+ fullName: fullName,
+ _fullName: _fullName
+ });
+
+ // Make sure our prototype looks nice.
+ Constructor.prototype.constructor = Constructor;
+
+
+ // Call the class `setup` and `init`
+ var t = [_super_class].concat(can.makeArray(arguments)),
+ args = Constructor.setup.apply(Constructor, t );
+
+ if ( Constructor.init ) {
+ Constructor.init.apply(Constructor, args || t );
+ }
+
+ return Constructor;
+ //
+ //
+ }
+
+ });
+
+ // ## observe.js
+ // `can.Observe`
+ // _Provides the observable pattern for JavaScript Objects._
+ //
+ // Returns `true` if something is an object with properties of its own.
+ var canMakeObserve = function( obj ) {
+ return obj && typeof obj === 'object' && !(obj instanceof Date);
+ },
+
+ // Removes all listeners.
+ unhookup = function(items, namespace){
+ return can.each(items, function(i, item){
+ if(item && item.unbind){
+ item.unbind("change" + namespace);
+ }
+ });
+ },
+ // Listens to changes on `val` and "bubbles" the event up.
+ // `val` - The object to listen for changes on.
+ // `prop` - The property name is at on.
+ // `parent` - The parent object of prop.
+ hookupBubble = function( val, prop, parent ) {
+ // If it's an `array` make a list, otherwise a val.
+ if (val instanceof Observe){
+ // We have an `observe` already...
+ // Make sure it is not listening to this already
+ unhookup([val], parent._namespace);
+ } else if ( can.isArray(val) ) {
+ val = new Observe.List(val);
+ } else {
+ val = new Observe(val);
+ }
+
+ // Listen to all changes and `batchTrigger` upwards.
+ val.bind("change" + parent._namespace, function( ev, attr ) {
+ // `batchTrigger` the type on this...
+ var args = can.makeArray(arguments),
+ ev = args.shift();
+ args[0] = prop === "*" ?
+ parent.indexOf(val)+"." + args[0] :
+ prop + "." + args[0];
+ can.trigger(parent, ev, args);
+ can.trigger(parent,args[0],args);
+ });
+
+ return val;
+ },
+
+ // An `id` to track events for a given observe.
+ observeId = 0,
+ // A reference to an `array` of events that will be dispatched.
+ collecting = undefined,
+ // Call to start collecting events (`Observe` sends all events at
+ // once).
+ collect = function() {
+ if (!collecting ) {
+ collecting = [];
+ return true;
+ }
+ },
+ // Creates an event on item, but will not send immediately
+ // if collecting events.
+ // `item` - The item the event should happen on.
+ // `event` - The event name, ex: `change`.
+ // `args` - Tn array of arguments.
+ batchTrigger = function( item, event, args ) {
+ // Don't send events if initalizing.
+ if ( ! item._init) {
+ if (!collecting ) {
+ return can.trigger(item, event, args);
+ } else {
+ collecting.push([
+ item,
+ {
+ type: event,
+ batchNum : batchNum
+ },
+ args ] );
+ }
+ }
+ },
+ // Which batch of events this is for -- might not want to send multiple
+ // messages on the same batch. This is mostly for event delegation.
+ batchNum = 1,
+ // Sends all pending events.
+ sendCollection = function() {
+ var items = collecting.slice(0);
+ collecting = undefined;
+ batchNum++;
+ can.each(items, function( i, item) {
+ can.trigger.apply(can, item)
+ })
+
+ },
+ // A helper used to serialize an `Observe` or `Observe.List`.
+ // `observe` - The observable.
+ // `how` - To serialize with `attr` or `serialize`.
+ // `where` - To put properties, in an `{}` or `[]`.
+ serialize = function( observe, how, where ) {
+ // Go through each property.
+ observe.each(function( name, val ) {
+ // If the value is an `object`, and has an `attrs` or `serialize` function.
+ where[name] = canMakeObserve(val) && can.isFunction( val[how] ) ?
+ // Call `attrs` or `serialize` to get the original data back.
+ val[how]() :
+ // Otherwise return the value.
+ val
+ })
+ return where;
+ },
+ $method = function( name ) {
+ return function() {
+ return can[name].apply(this, arguments );
+ }
+ },
+ bind = $method('addEvent'),
+ unbind = $method('removeEvent'),
+ attrParts = function(attr){
+ return can.isArray(attr) ? attr : (""+attr).split(".")
+ };
+ var Observe = can.Construct('can.Observe', {
+ // keep so it can be overwritten
+ setup : function(){
+ can.Construct.setup.apply(this, arguments)
+ },
+ bind : bind,
+ unbind: unbind,
+ id: "id"
+ },
+ {
+ setup: function( obj ) {
+ // `_data` is where we keep the properties.
+ this._data = {};
+ // The namespace this `object` uses to listen to events.
+ this._namespace = ".observe" + (++observeId);
+ // Sets all `attrs`.
+ this._init = 1;
+ this.attr(obj);
+ delete this._init;
+ },
+ attr: function( attr, val ) {
+ // This is super obfuscated for space -- basically, we're checking
+ // if the type of the attribute is not a `number` or a `string`.
+ if ( !~ "ns".indexOf((typeof attr).charAt(0))) {
+ return this._attrs(attr, val)
+ } else if ( val === undefined ) {// If we are getting a value.
+ // Let people know we are reading.
+ Observe.__reading && Observe.__reading(this, attr)
+ return this._get(attr)
+ } else {
+ // Otherwise we are setting.
+ this._set(attr, val);
+ return this;
+ }
+ },
+ each: function() {
+ return can.each.apply(undefined, [this.__get()].concat(can.makeArray(arguments)))
+ },
+ removeAttr: function( attr ) {
+ // Convert the `attr` into parts (if nested).
+ var parts = attrParts(attr),
+ // The actual property to remove.
+ prop = parts.shift(),
+ // The current value.
+ current = this._data[prop];
+
+ // If we have more parts, call `removeAttr` on that part.
+ if ( parts.length ) {
+ return current.removeAttr(parts)
+ } else {
+ // Otherwise, `delete`.
+ delete this._data[prop];
+ // Create the event.
+ if (!(prop in this.constructor.prototype)) {
+ delete this[prop]
+ }
+ batchTrigger(this, "change", [prop, "remove", undefined, current]);
+ batchTrigger(this, prop, undefined, current);
+ return current;
+ }
+ },
+ // Reads a property from the `object`.
+ _get: function( attr ) {
+ var parts = attrParts(attr),
+ current = this.__get(parts.shift());
+ return parts.length ? current ? current._get(parts) : undefined : current;
+ },
+ // Reads a property directly if an `attr` is provided, otherwise
+ // returns the "real" data object itself.
+ __get: function( attr ) {
+ return attr ? this._data[attr] : this._data;
+ },
+ // Sets `attr` prop as value on this object where.
+ // `attr` - Is a string of properties or an array of property values.
+ // `value` - The raw value to set.
+ _set: function( attr, value ) {
+ // Convert `attr` to attr parts (if it isn't already).
+ var parts = attrParts(attr),
+ // The immediate prop we are setting.
+ prop = parts.shift(),
+ // The current value.
+ current = this.__get(prop);
+
+ // If we have an `object` and remaining parts.
+ if ( canMakeObserve(current) && parts.length ) {
+ // That `object` should set it (this might need to call attr).
+ current._set(parts, value)
+ } else if (!parts.length ) {
+ // We're in "real" set territory.
+ if(this.__convert){
+ value = this.__convert(prop, value)
+ }
+ this.__set(prop, value, current)
+
+ } else {
+ throw "can.Observe: Object does not exist"
+ }
+ },
+ __set : function(prop, value, current){
+
+ // Otherwise, we are setting it on this `object`.
+ // TODO: Check if value is object and transform
+ // are we changing the value.
+ if ( value !== current ) {
+
+ // Check if we are adding this for the first time --
+ // if we are, we need to create an `add` event.
+ var changeType = this.__get().hasOwnProperty(prop) ? "set" : "add";
+
+ // Set the value on data.
+ this.___set(prop,
+
+ // If we are getting an object.
+ canMakeObserve(value) ?
+
+ // Hook it up to send event.
+ hookupBubble(value, prop, this) :
+ // Value is normal.
+ value);
+
+ // `batchTrigger` the change event.
+ batchTrigger(this, "change", [prop, changeType, value, current]);
+ batchTrigger(this, prop, value, current);
+ // If we can stop listening to our old value, do it.
+ current && unhookup([current], this._namespace);
+ }
+
+ },
+ // Directly sets a property on this `object`.
+ ___set: function( prop, val ) {
+ this._data[prop] = val;
+ // Add property directly for easy writing.
+ // Check if its on the `prototype` so we don't overwrite methods like `attrs`.
+ if (!(prop in this.constructor.prototype)) {
+ this[prop] = val
+ }
+ },
+ bind: bind,
+ unbind: unbind,
+ serialize: function() {
+ return serialize(this, 'serialize', {});
+ },
+ _attrs: function( props, remove ) {
+ if ( props === undefined ) {
+ return serialize(this, 'attr', {})
+ }
+
+ props = can.extend(true, {}, props);
+ var prop,
+ collectingStarted = collect(),
+ self = this,
+ newVal;
+
+ this.each(function(prop, curVal){
+ newVal = props[prop];
+
+ // If we are merging...
+ if ( newVal === undefined ) {
+ remove && self.removeAttr(prop);
+ return;
+ }
+ if ( canMakeObserve(curVal) && canMakeObserve(newVal) ) {
+ curVal.attr(newVal, remove)
+ } else if ( curVal != newVal ) {
+ self._set(prop, newVal)
+ } else {
+
+ }
+ delete props[prop];
+ })
+ // Add remaining props.
+ for ( var prop in props ) {
+ newVal = props[prop];
+ this._set(prop, newVal)
+ }
+ if ( collectingStarted ) {
+ sendCollection();
+ }
+ return this;
+ }
+ });
+ // Helpers for `observable` lists.
+ var splice = [].splice,
+ list = Observe('can.Observe.List',
+ {
+ setup: function( instances, options ) {
+ this.length = 0;
+ this._namespace = ".observe" + (++observeId);
+ this._init = 1;
+ this.bind('change',can.proxy(this._changes,this));
+ this.push.apply(this, can.makeArray(instances || []));
+ can.extend(this, options);
+ delete this._init;
+ },
+ _changes : function(ev, attr, how, newVal, oldVal){
+ // `batchTrigger` direct add and remove events...
+ if ( !~ attr.indexOf('.')){
+
+ if( how === 'add' ) {
+ batchTrigger(this, how, [newVal,+attr]);
+ batchTrigger(this,'length',[this.length]);
+ } else if( how === 'remove' ) {
+ batchTrigger(this, how, [oldVal, +attr]);
+ batchTrigger(this,'length',[this.length]);
+ } else {
+ batchTrigger(this,how,[newVal, +attr])
+ }
+
+ }
+ },
+ __get : function(attr){
+ return attr ? this[attr] : this;
+ },
+ ___set : function(attr, val){
+ this[attr] = val;
+ if(+attr >= this.length){
+ this.length = (+attr+1)
+ }
+ },
+ // Returns the serialized form of this list.
+ serialize: function() {
+ return serialize(this, 'serialize', []);
+ },
+ //
+ splice: function( index, howMany ) {
+ var args = can.makeArray(arguments),
+ i;
+
+ for ( i = 2; i < args.length; i++ ) {
+ var val = args[i];
+ if ( canMakeObserve(val) ) {
+ args[i] = hookupBubble(val, "*", this)
+ }
+ }
+ if ( howMany === undefined ) {
+ howMany = args[1] = this.length - index;
+ }
+ var removed = splice.apply(this, args);
+ if ( howMany > 0 ) {
+ batchTrigger(this, "change", [""+index, "remove", undefined, removed]);
+ unhookup(removed, this._namespace);
+ }
+ if ( args.length > 2 ) {
+ batchTrigger(this, "change", [""+index, "add", args.slice(2), removed]);
+ }
+ return removed;
+ },
+ _attrs: function( props, remove ) {
+ if ( props === undefined ) {
+ return serialize(this, 'attr', []);
+ }
+
+ // Create a copy.
+ props = props.slice(0);
+
+ var len = Math.min(props.length, this.length),
+ collectingStarted = collect(),
+ prop;
+
+ for ( var prop = 0; prop < len; prop++ ) {
+ var curVal = this[prop],
+ newVal = props[prop];
+
+ if ( canMakeObserve(curVal) && canMakeObserve(newVal) ) {
+ curVal.attr(newVal, remove)
+ } else if ( curVal != newVal ) {
+ this._set(prop, newVal)
+ } else {
+
+ }
+ }
+ if ( props.length > this.length ) {
+ // Add in the remaining props.
+ this.push(props.slice(this.length))
+ } else if ( props.length < this.length && remove ) {
+ this.splice(props.length)
+ }
+
+ if ( collectingStarted ) {
+ sendCollection()
+ }
+ }
+ }),
+
+ // Converts to an `array` of arguments.
+ getArgs = function( args ) {
+ return args[0] && can.isArray(args[0]) ?
+ args[0] :
+ can.makeArray(args);
+ };
+ // Create `push`, `pop`, `shift`, and `unshift`
+ can.each({
+ push: "length",
+ unshift: 0
+ },
+ // Adds a method
+ // `name` - The method name.
+ // `where` - Where items in the `array` should be added.
+ function( name, where ) {
+ list.prototype[name] = function() {
+ // Get the items being added.
+ var args = getArgs(arguments),
+ // Where we are going to add items.
+ len = where ? this.length : 0;
+
+ // Go through and convert anything to an `observe` that needs to be converted.
+ for ( var i = 0; i < args.length; i++ ) {
+ var val = args[i];
+ if ( canMakeObserve(val) ) {
+ args[i] = hookupBubble(val, "*", this)
+ }
+ }
+
+ // Call the original method.
+ var res = [][name].apply(this, args);
+
+ if ( !this.comparator || !args.length ) {
+ batchTrigger(this, "change", [""+len, "add", args, undefined])
+ }
+
+ return res;
+ }
+ });
+
+ can.each({
+ pop: "length",
+ shift: 0
+ },
+ // Creates a `remove` type method
+ function( name, where ) {
+ list.prototype[name] = function() {
+
+ var args = getArgs(arguments),
+ len = where && this.length ? this.length - 1 : 0;
+
+ var res = [][name].apply(this, args)
+
+ // Create a change where the args are
+ // `*` - Change on potentially multiple properties.
+ // `remove` - Items removed.
+ // `undefined` - The new values (there are none).
+ // `res` - The old, removed values (should these be unbound).
+ // `len` - Where these items were removed.
+ batchTrigger(this, "change", [""+len, "remove", undefined, [res]])
+
+ if ( res && res.unbind ) {
+ res.unbind("change" + this._namespace)
+ }
+ return res;
+ }
+ });
+
+ list.prototype.
+ indexOf = [].indexOf || function(item){
+ return can.inArray(item, this)
+ };
+
+
+ // ## model.js
+ // `can.Model`
+ // _A `can.Observe` that connects to a RESTful interface._
+ //
+ // Generic deferred piping function
+ var pipe = function( def, model, func ) {
+ var d = new can.Deferred();
+ def.then(function(){
+ arguments[0] = model[func](arguments[0])
+ d.resolve.apply(d, arguments)
+ },function(){
+ d.resolveWith.apply(this,arguments)
+ })
+ return d;
+ },
+ modelNum = 0,
+ ignoreHookup = /change.observe\d+/,
+ getId = function( inst ) {
+ return inst[inst.constructor.id]
+ },
+ // Ajax `options` generator function
+ ajax = function( ajaxOb, data, type, dataType, success, error ) {
+
+
+ // If we get a string, handle it.
+ if ( typeof ajaxOb == "string" ) {
+ // If there's a space, it's probably the type.
+ var parts = ajaxOb.split(" ")
+ ajaxOb = {
+ url : parts.pop()
+ };
+ if(parts.length){
+ ajaxOb.type = parts.pop();
+ }
+ }
+
+ // If we are a non-array object, copy to a new attrs.
+ ajaxOb.data = typeof data == "object" && !can.isArray(data) ?
+ can.extend(ajaxOb.data || {}, data) : data;
+
+
+ // Get the url with any templated values filled out.
+ ajaxOb.url = can.sub(ajaxOb.url, ajaxOb.data, true);
+
+ return can.ajax(can.extend({
+ type: type || "post",
+ dataType: dataType ||"json",
+ success : success,
+ error: error
+ }, ajaxOb ));
+ },
+ makeRequest = function( self, type, success, error, method ) {
+ var deferred ,
+ args = [self.serialize()],
+ // The model.
+ model = self.constructor,
+ jqXHR;
+
+ // `destroy` does not need data.
+ if ( type == 'destroy' ) {
+ args.shift();
+ }
+ // `update` and `destroy` need the `id`.
+ if ( type !== 'create' ) {
+ args.unshift(getId(self))
+ }
+