diff options
author | RaNaN <Mast3rRaNaN@hotmail.de> | 2013-06-08 17:37:43 +0200 |
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committer | RaNaN <Mast3rRaNaN@hotmail.de> | 2013-06-08 17:37:44 +0200 |
commit | 2cf160d497e501bf254bd8be054c0f5880ab90ca (patch) | |
tree | 03a720b6142cc03fe7ef258fa8d17da92b30a462 /module/web/static/js/libs/backbone-0.9.10.js | |
parent | Merge pull request #151 from vuolter/invertedconf (diff) | |
download | pyload-2cf160d497e501bf254bd8be054c0f5880ab90ca.tar.xz |
restructured webui to single-page-app, removed jinja
Diffstat (limited to 'module/web/static/js/libs/backbone-0.9.10.js')
-rw-r--r-- | module/web/static/js/libs/backbone-0.9.10.js | 1498 |
1 files changed, 0 insertions, 1498 deletions
diff --git a/module/web/static/js/libs/backbone-0.9.10.js b/module/web/static/js/libs/backbone-0.9.10.js deleted file mode 100644 index 9682be585..000000000 --- a/module/web/static/js/libs/backbone-0.9.10.js +++ /dev/null @@ -1,1498 +0,0 @@ -// Backbone.js 0.9.10 - -// (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, `exports` - // 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 array methods. - var array = []; - var push = array.push; - var slice = array.slice; - var splice = array.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 = '0.9.10'; - - // 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 `$` variable. - Backbone.$ = root.jQuery || root.Zepto || root.ender; - - // 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+/; - - // Implement fancy features of the Events API such as multiple event - // names `"change blur"` and jQuery-style event maps `{change: action}` - // in terms of the existing API. - var eventsApi = function(obj, action, name, rest) { - if (!name) return true; - if (typeof name === 'object') { - for (var key in name) { - obj[action].apply(obj, [key, name[key]].concat(rest)); - } - } else if (eventSplitter.test(name)) { - var names = name.split(eventSplitter); - for (var i = 0, l = names.length; i < l; i++) { - obj[action].apply(obj, [names[i]].concat(rest)); - } - } else { - return true; - } - }; - - // Optimized internal dispatch function for triggering events. Tries to - // keep the usual cases speedy (most Backbone events have 3 arguments). - var triggerEvents = function(events, args) { - var ev, i = -1, l = events.length; - switch (args.length) { - case 0: while (++i < l) (ev = events[i]).callback.call(ev.ctx); - return; - case 1: while (++i < l) (ev = events[i]).callback.call(ev.ctx, args[0]); - return; - case 2: while (++i < l) (ev = events[i]).callback.call(ev.ctx, args[0], args[1]); - return; - case 3: while (++i < l) (ev = events[i]).callback.call(ev.ctx, args[0], args[1], args[2]); - return; - default: while (++i < l) (ev = events[i]).callback.apply(ev.ctx, args); - } - }; - - // 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, or an events map, - // to a `callback` function. Passing `"all"` will bind the callback to - // all events fired. - on: function(name, callback, context) { - if (!(eventsApi(this, 'on', name, [callback, context]) && callback)) return this; - this._events || (this._events = {}); - var list = this._events[name] || (this._events[name] = []); - list.push({callback: callback, context: context, ctx: context || this}); - return this; - }, - - // Bind events to only be triggered a single time. After the first time - // the callback is invoked, it will be removed. - once: function(name, callback, context) { - if (!(eventsApi(this, 'once', name, [callback, context]) && callback)) return this; - var self = this; - var once = _.once(function() { - self.off(name, once); - callback.apply(this, arguments); - }); - once._callback = callback; - this.on(name, once, context); - 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 `name` is null, removes all bound - // callbacks for all events. - off: function(name, callback, context) { - var list, ev, events, names, i, l, j, k; - if (!this._events || !eventsApi(this, 'off', name, [callback, context])) return this; - if (!name && !callback && !context) { - this._events = {}; - return this; - } - - names = name ? [name] : _.keys(this._events); - for (i = 0, l = names.length; i < l; i++) { - name = names[i]; - if (list = this._events[name]) { - events = []; - if (callback || context) { - for (j = 0, k = list.length; j < k; j++) { - ev = list[j]; - if ((callback && callback !== ev.callback && - callback !== ev.callback._callback) || - (context && context !== ev.context)) { - events.push(ev); - } - } - } - this._events[name] = events; - } - } - - return this; - }, - - // Trigger one or many events, firing all bound callbacks. Callbacks are - // passed the same arguments as `trigger` is, apart from the event name - // (unless you're listening on `"all"`, which will cause your callback to - // receive the true name of the event as the first argument). - trigger: function(name) { - if (!this._events) return this; - var args = slice.call(arguments, 1); - if (!eventsApi(this, 'trigger', name, args)) return this; - var events = this._events[name]; - var allEvents = this._events.all; - if (events) triggerEvents(events, args); - if (allEvents) triggerEvents(allEvents, arguments); - return this; - }, - - // An inversion-of-control version of `on`. Tell *this* object to listen to - // an event in another object ... keeping track of what it's listening to. - listenTo: function(obj, name, callback) { - var listeners = this._listeners || (this._listeners = {}); - var id = obj._listenerId || (obj._listenerId = _.uniqueId('l')); - listeners[id] = obj; - obj.on(name, typeof name === 'object' ? this : callback, this); - return this; - }, - - // Tell this object to stop listening to either specific events ... or - // to every object it's currently listening to. - stopListening: function(obj, name, callback) { - var listeners = this._listeners; - if (!listeners) return; - if (obj) { - obj.off(name, typeof name === 'object' ? this : callback, this); - if (!name && !callback) delete listeners[obj._listenerId]; - } else { - if (typeof name === 'object') callback = this; - for (var id in listeners) { - listeners[id].off(name, callback, this); - } - this._listeners = {}; - } - return this; - } - }; - - // Aliases for backwards compatibility. - Events.bind = Events.on; - Events.unbind = Events.off; - - // Allow the `Backbone` object to serve as a global event bus, for folks who - // want global "pubsub" in a convenient place. - _.extend(Backbone, Events); - - // Backbone.Model - // -------------- - - // 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; - var attrs = attributes || {}; - this.cid = _.uniqueId('c'); - this.attributes = {}; - if (options && options.collection) this.collection = options.collection; - if (options && options.parse) attrs = this.parse(attrs, options) || {}; - if (defaults = _.result(this, 'defaults')) { - attrs = _.defaults({}, attrs, defaults); - } - this.set(attrs, options); - this.changed = {}; - this.initialize.apply(this, arguments); - }; - - // Attach all inheritable methods to the Model prototype. - _.extend(Model.prototype, Events, { - - // A hash of attributes whose current and previous value differ. - changed: null, - - // The default name for the JSON `id` attribute is `"id"`. MongoDB and - // CouchDB users may want to set this to `"_id"`. - idAttribute: 'id', - - // Initialize is an empty function by default. Override it with your own - // initialization logic. - initialize: function(){}, - - // Return a copy of the model's `attributes` object. - toJSON: function(options) { - return _.clone(this.attributes); - }, - - // Proxy `Backbone.sync` by default. - sync: function() { - return Backbone.sync.apply(this, arguments); - }, - - // Get the value of an attribute. - get: function(attr) { - return this.attributes[attr]; - }, - - // Get the HTML-escaped value of an attribute. - escape: function(attr) { - return _.escape(this.get(attr)); - }, - - // Returns `true` if the attribute contains a value that is not null - // or undefined. - has: function(attr) { - return this.get(attr) != null; - }, - - // ---------------------------------------------------------------------- - - // Set a hash of model attributes on the object, firing `"change"` unless - // you choose to silence it. - set: function(key, val, options) { - var attr, attrs, unset, changes, silent, changing, prev, current; - if (key == null) return this; - - // Handle both `"key", value` and `{key: value}` -style arguments. - if (typeof key === 'object') { - attrs = key; - options = val; - } else { - (attrs = {})[key] = val; - } - - options || (options = {}); - - // Run validation. - if (!this._validate(attrs, options)) return false; - - // Extract attributes and options. - unset = options.unset; - silent = options.silent; - changes = []; - changing = this._changing; - this._changing = true; - - if (!changing) { - this._previousAttributes = _.clone(this.attributes); - this.changed = {}; - } - current = this.attributes, prev = this._previousAttributes; - - // Check for changes of `id`. - if (this.idAttribute in attrs) this.id = attrs[this.idAttribute]; - - // For each `set` attribute, update or delete the current value. - for (attr in attrs) { - val = attrs[attr]; - if (!_.isEqual(current[attr], val)) changes.push(attr); - if (!_.isEqual(prev[attr], val)) { - this.changed[attr] = val; - } else { - delete this.changed[attr]; - } - unset ? delete current[attr] : current[attr] = val; - } - - // Trigger all relevant attribute changes. - if (!silent) { - if (changes.length) this._pending = true; - for (var i = 0, l = changes.length; i < l; i++) { - this.trigger('change:' + changes[i], this, current[changes[i]], options); - } - } - - if (changing) return this; - if (!silent) { - while (this._pending) { - this._pending = false; - this.trigger('change', this, options); - } - } - this._pending = false; - this._changing = false; - return this; - }, - - // Remove an attribute from the model, firing `"change"` unless you choose - // to silence it. `unset` is a noop if the attribute doesn't exist. - unset: function(attr, options) { - return this.set(attr, void 0, _.extend({}, options, {unset: true})); - }, - - // Clear all attributes on the model, firing `"change"` unless you choose - // to silence it. - clear: function(options) { - var attrs = {}; - for (var key in this.attributes) attrs[key] = void 0; - return this.set(attrs, _.extend({}, options, {unset: true})); - }, - - // Determine if the model has changed since the last `"change"` event. - // If you specify an attribute name, determine if that attribute has changed. - hasChanged: function(attr) { - if (attr == null) return !_.isEmpty(this.changed); - return _.has(this.changed, attr); - }, - - // Return an object containing all the attributes that have changed, or - // false if there are no changed attributes. Useful for determining what - // parts of a view need to be updated and/or what attributes need to be - // persisted to the server. Unset attributes will be set to undefined. - // You can also pass an attributes object to diff against the model, - // determining if there *would be* a change. - changedAttributes: function(diff) { - if (!diff) return this.hasChanged() ? _.clone(this.changed) : false; - var val, changed = false; - var old = this._changing ? this._previousAttributes : this.attributes; - for (var attr in diff) { - if (_.isEqual(old[attr], (val = diff[attr]))) continue; - (changed || (changed = {}))[attr] = val; - } - return changed; - }, - - // Get the previous value of an attribute, recorded at the time the last - // `"change"` event was fired. - previous: function(attr) { - if (attr == null || !this._previousAttributes) return null; - return this._previousAttributes[attr]; - }, - - // Get all of the attributes of the model at the time of the previous - // `"change"` event. - previousAttributes: function() { - return _.clone(this._previousAttributes); - }, - - // --------------------------------------------------------------------- - - // Fetch the model from the server. If the server's representation of the - // model differs from its current attributes, they will be overriden, - // triggering a `"change"` event. - fetch: function(options) { - options = options ? _.clone(options) : {}; - if (options.parse === void 0) options.parse = true; - var success = options.success; - options.success = function(model, resp, options) { - if (!model.set(model.parse(resp, options), options)) return false; - if (success) success(model, resp, options); - }; - return this.sync('read', this, options); - }, - - // Set a hash of model attributes, and sync the model to the server. - // If the server returns an attributes hash that differs, the model's - // state will be `set` again. - save: function(key, val, options) { - var attrs, success, method, xhr, attributes = this.attributes; - - // Handle both `"key", value` and `{key: value}` -style arguments. - if (key == null || typeof key === 'object') { - attrs = key; - options = val; - } else { - (attrs = {})[key] = val; - } - - // If we're not waiting and attributes exist, save acts as `set(attr).save(null, opts)`. - if (attrs && (!options || !options.wait) && !this.set(attrs, options)) return false; - - options = _.extend({validate: true}, options); - - // Do not persist invalid models. - if (!this._validate(attrs, options)) return false; - - // Set temporary attributes if `{wait: true}`. - if (attrs && options.wait) { - this.attributes = _.extend({}, attributes, attrs); - } - - // After a successful server-side save, the client is (optionally) - // updated with the server-side state. - if (options.parse === void 0) options.parse = true; - success = options.success; - options.success = function(model, resp, options) { - // Ensure attributes are restored during synchronous saves. - model.attributes = attributes; - var serverAttrs = model.parse(resp, options); - if (options.wait) serverAttrs = _.extend(attrs || {}, serverAttrs); - if (_.isObject(serverAttrs) && !model.set(serverAttrs, options)) { - return false; - } - if (success) success(model, resp, options); - }; - - // Finish configuring and sending the Ajax request. - method = this.isNew() ? 'create' : (options.patch ? 'patch' : 'update'); - if (method === 'patch') options.attrs = attrs; - xhr = this.sync(method, this, options); - - // Restore attributes. - if (attrs && options.wait) this.attributes = attributes; - - return xhr; - }, - - // Destroy this model on the server if it was already persisted. - // Optimistically removes the model from its collection, if it has one. - // If `wait: true` is passed, waits for the server to respond before removal. - destroy: function(options) { - options = options ? _.clone(options) : {}; - var model = this; - var success = options.success; - - var destroy = function() { - model.trigger('destroy', model, model.collection, options); - }; - - options.success = function(model, resp, options) { - if (options.wait || model.isNew()) destroy(); - if (success) success(model, resp, options); - }; - - if (this.isNew()) { - options.success(this, null, options); - return false; - } - - var xhr = this.sync('delete', this, options); - if (!options.wait) destroy(); - return xhr; - }, - - // Default URL for the model's representation on the server -- if you're - // using Backbone's restful methods, override this to change the endpoint - // that will be called. - url: function() { - var base = _.result(this, 'urlRoot') || _.result(this.collection, 'url') || urlError(); - if (this.isNew()) return base; - return base + (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, options) { - return resp; - }, - - // Create a new model with identical attributes to this one. - clone: function() { - return new this.constructor(this.attributes); - }, - - // A model is new if it has never been saved to the server, and lacks an id. - isNew: function() { - return this.id == null; - }, - - // Check if the model is currently in a valid state. - isValid: function(options) { - return !this.validate || !this.validate(this.attributes, options); - }, - - // Run validation against the next complete set of model attributes, - // returning `true` if all is well. Otherwise, fire a general - // `"error"` event and call the error callback, if specified. - _validate: function(attrs, options) { - if (!options.validate || !this.validate) return true; - attrs = _.extend({}, this.attributes, attrs); - var error = this.validationError = this.validate(attrs, options) || null; - if (!error) return true; - this.trigger('invalid', this, error, 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 !== void 0) this.comparator = options.comparator; - this.models = []; - this._reset(); - this.initialize.apply(this, arguments); - if (models) this.reset(models, _.extend({silent: true}, options)); - }; - - // Define the Collection's inheritable methods. - _.extend(Collection.prototype, Events, { - - // The default model for a collection is just a **Backbone.Model**. - // This should be overridden in most cases. - model: Model, - - // Initialize is an empty function by default. Override it with your own - // initialization logic. - initialize: function(){}, - - // The JSON representation of a Collection is an array of the - // models' attributes. - toJSON: function(options) { - return this.map(function(model){ return model.toJSON(options); }); - }, - - // Proxy `Backbone.sync` by default. - sync: function() { - return Backbone.sync.apply(this, arguments); - }, - - // Add a model, or list of models to the set. - add: function(models, options) { - models = _.isArray(models) ? models.slice() : [models]; - options || (options = {}); - var i, l, model, attrs, existing, doSort, add, at, sort, sortAttr; - add = []; - at = options.at; - sort = this.comparator && (at == null) && options.sort != false; - sortAttr = _.isString(this.comparator) ? this.comparator : null; - - // Turn bare objects into model references, and prevent invalid models - // from being added. - for (i = 0, l = models.length; i < l; i++) { - if (!(model = this._prepareModel(attrs = models[i], options))) { - this.trigger('invalid', this, attrs, options); - continue; - } - - // If a duplicate is found, prevent it from being added and - // optionally merge it into the existing model. - if (existing = this.get(model)) { - if (options.merge) { - existing.set(attrs === model ? model.attributes : attrs, options); - if (sort && !doSort && existing.hasChanged(sortAttr)) doSort = true; - } - continue; - } - - // This is a new model, push it to the `add` list. - add.push(model); - - // Listen to added models' events, and index models for lookup by - // `id` and by `cid`. - model.on('all', this._onModelEvent, this); - this._byId[model.cid] = model; - if (model.id != null) this._byId[model.id] = model; - } - - // See if sorting is needed, update `length` and splice in new models. - if (add.length) { - if (sort) doSort = true; - this.length += add.length; - if (at != null) { - splice.apply(this.models, [at, 0].concat(add)); - } else { - push.apply(this.models, add); - } - } - - // Silently sort the collection if appropriate. - if (doSort) this.sort({silent: true}); - - if (options.silent) return this; - - // Trigger `add` events. - for (i = 0, l = add.length; i < l; i++) { - (model = add[i]).trigger('add', model, this, options); - } - - // Trigger `sort` if the collection was sorted. - if (doSort) this.trigger('sort', this, options); - - return this; - }, - - // Remove a model, or a list of models from the set. - remove: function(models, options) { - models = _.isArray(models) ? models.slice() : [models]; - options || (options = {}); - var i, l, index, model; - for (i = 0, l = models.length; i < l; i++) { - model = this.get(models[i]); - if (!model) continue; - delete this._byId[model.id]; - delete this._byId[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, _.extend({at: this.length}, 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; - }, - - // Slice out a sub-array of models from the collection. - slice: function(begin, end) { - return this.models.slice(begin, end); - }, - - // Get a model from the set by id. - get: function(obj) { - if (obj == null) return void 0; - this._idAttr || (this._idAttr = this.model.prototype.idAttribute); - return this._byId[obj.id || obj.cid || obj[this._idAttr] || obj]; - }, - - // 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) { - if (!this.comparator) { - throw new Error('Cannot sort a set without a comparator'); - } - options || (options = {}); - - // Run sort based on type of `comparator`. - if (_.isString(this.comparator) || this.comparator.length === 1) { - this.models = this.sortBy(this.comparator, this); - } else { - this.models.sort(_.bind(this.comparator, this)); - } - - if (!options.silent) this.trigger('sort', this, options); - return this; - }, - - // Pluck an attribute from each model in the collection. - pluck: function(attr) { - return _.invoke(this.models, 'get', attr); - }, - - // Smartly update a collection with a change set of models, adding, - // removing, and merging as necessary. - update: function(models, options) { - options = _.extend({add: true, merge: true, remove: true}, options); - if (options.parse) models = this.parse(models, options); - var model, i, l, existing; - var add = [], remove = [], modelMap = {}; - - // Allow a single model (or no argument) to be passed. - if (!_.isArray(models)) models = models ? [models] : []; - - // Proxy to `add` for this case, no need to iterate... - if (options.add && !options.remove) return this.add(models, options); - - // Determine which models to add and merge, and which to remove. - for (i = 0, l = models.length; i < l; i++) { - model = models[i]; - existing = this.get(model); - if (options.remove && existing) modelMap[existing.cid] = true; - if ((options.add && !existing) || (options.merge && existing)) { - add.push(model); - } - } - if (options.remove) { - for (i = 0, l = this.models.length; i < l; i++) { - model = this.models[i]; - if (!modelMap[model.cid]) remove.push(model); - } - } - - // Remove models (if applicable) before we add and merge the rest. - if (remove.length) this.remove(remove, options); - if (add.length) this.add(add, options); - return this; - }, - - // 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) { - options || (options = {}); - if (options.parse) models = this.parse(models, options); - for (var i = 0, l = this.models.length; i < l; i++) { - this._removeReference(this.models[i]); - } - options.previousModels = this.models.slice(); - this._reset(); - if (models) 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 `update: true` is passed, the response - // data will be passed through the `update` method instead of `reset`. - fetch: function(options) { - options = options ? _.clone(options) : {}; - if (options.parse === void 0) options.parse = true; - var success = options.success; - options.success = function(collection, resp, options) { - var method = options.update ? 'update' : 'reset'; - collection[method](resp, options); - if (success) success(collection, resp, options); - }; - return this.sync('read', this, options); - }, - - // Create a new instance of a model in this collection. Add the model to the - // collection immediately, unless `wait: true` is passed, in which case we - // wait for the server to agree. - create: function(model, options) { - options = options ? _.clone(options) : {}; - if (!(model = this._prepareModel(model, options))) return false; - if (!options.wait) this.add(model, options); - var collection = this; - var success = options.success; - options.success = function(model, resp, options) { - if (options.wait) collection.add(model, options); - if (success) success(model, resp, options); - }; - model.save(null, options); - return model; - }, - - // **parse** converts a response into a list of models to be added to the - // collection. The default implementation is just to pass it through. - parse: function(resp, options) { - return resp; - }, - - // Create a new collection with an identical list of models as this one. - clone: function() { - return new this.constructor(this.models); - }, - - // Reset all internal state. Called when the collection is reset. - _reset: function() { - this.length = 0; - this.models.length = 0; - this._byId = {}; - }, - - // Prepare a model or hash of attributes to be added to this collection. - _prepareModel: function(attrs, options) { - if (attrs instanceof Model) { - if (!attrs.collection) attrs.collection = this; - return attrs; - } - options || (options = {}); - options.collection = this; - var model = new this.model(attrs, options); - if (!model._validate(attrs, options)) return false; - 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)]; - if (model.id != null) this._byId[model.id] = model; - } - this.trigger.apply(this, arguments); - }, - - sortedIndex: function (model, value, context) { - value || (value = this.comparator); - var iterator = _.isFunction(value) ? value : function(model) { - return model.get(value); - }; - return _.sortedIndex(this.models, model, iterator, context); - } - - }); - - // Underscore methods that we want to implement on the Collection. - var methods = ['forEach', 'each', 'map', 'collect', 'reduce', 'foldl', - 'inject', 'reduceRight', 'foldr', 'find', 'detect', 'filter', 'select', - 'reject', 'every', 'all', 'some', 'any', 'include', 'contains', 'invoke', - 'max', 'min', 'toArray', 'size', 'first', 'head', 'take', 'initial', 'rest', - 'tail', 'drop', 'last', 'without', 'indexOf', 'shuffle', 'lastIndexOf', - 'isEmpty', 'chain']; - - // Mix in each Underscore method as a proxy to `Collection#models`. - _.each(methods, function(method) { - Collection.prototype[method] = function() { - var args = slice.call(arguments); - args.unshift(this.models); - return _[method].apply(_, args); - }; - }); - - // Underscore methods that take a property name as an argument. - var attributeMethods = ['groupBy', 'countBy', 'sortBy']; - - // Use attributes instead of properties. - _.each(attributeMethods, function(method) { - Collection.prototype[method] = function(value, context) { - var iterator = _.isFunction(value) ? value : function(model) { - return model.get(value); - }; - return _[method](this.models, iterator, context); - }; - }); - - // Backbone.Router - // --------------- - - // Routers map faux-URLs to actions, and fire events when routes are - // matched. Creating a new one sets its `routes` hash, if not set statically. - var Router = Backbone.Router = function(options) { - options || (options = {}); - if (options.routes) this.routes = options.routes; - this._bindRoutes(); - this.initialize.apply(this, arguments); - }; - - // Cached regular expressions for matching named param parts and splatted - // parts of route strings. - var optionalParam = /\((.*?)\)/g; - var namedParam = /(\(\?)?:\w+/g; - var splatParam = /\*\w+/g; - var escapeRegExp = /[\-{}\[\]+?.,\\\^$|#\s]/g; - - // Set up all inheritable **Backbone.Router** properties and methods. - _.extend(Router.prototype, Events, { - - // Initialize is an empty function by default. Override it with your own - // initialization logic. - initialize: function(){}, - - // Manually bind a single named route to a callback. For example: - // - // this.route('search/:query/p:num', 'search', function(query, num) { - // ... - // }); - // - route: function(route, name, callback) { - if (!_.isRegExp(route)) route = this._routeToRegExp(route); - if (!callback) callback = this[name]; - Backbone.history.route(route, _.bind(function(fragment) { - var args = this._extractParameters(route, fragment); - callback && callback.apply(this, args); - this.trigger.apply(this, ['route:' + name].concat(args)); - this.trigger('route', name, args); - Backbone.history.trigger('route', this, name, args); - }, this)); - return this; - }, - - // Simple proxy to `Backbone.history` to save a fragment into the history. - navigate: function(fragment, options) { - Backbone.history.navigate(fragment, options); - return this; - }, - - // Bind all defined routes to `Backbone.history`. We have to reverse the - // order of the routes here to support behavior where the most general - // routes can be defined at the bottom of the route map. - _bindRoutes: function() { - if (!this.routes) return; - var route, routes = _.keys(this.routes); - while ((route = routes.pop()) != null) { - this.route(route, this.routes[route]); - } - }, - - // Convert a route string into a regular expression, suitable for matching - // against the current location hash. - _routeToRegExp: function(route) { - route = route.replace(escapeRegExp, '\\$&') - .replace(optionalParam, '(?:$1)?') - .replace(namedParam, function(match, optional){ - return optional ? match : '([^\/]+)'; - }) - .replace(splatParam, '(.*?)'); - return new RegExp('^' + route + '$'); - }, - - // 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'); - - // Ensure that `History` can be used outside of the browser. - if (typeof window !== 'undefined') { - this.location = window.location; - this.history = window.history; - } - }; - - // Cached regex for stripping a leading hash/slash and trailing space. - var routeStripper = /^[#\/]|\s+$/g; - - // Cached regex for stripping leading and trailing slashes. - var rootStripper = /^\/+|\/+$/g; - - // Cached regex for detecting MSIE. - var isExplorer = /msie [\w.]+/; - - // Cached regex for removing a trailing slash. - var trailingSlash = /\/$/; - - // Has the history handling already been started? - History.started = false; - - // Set up all inheritable **Backbone.History** properties and methods. - _.extend(History.prototype, Events, { - - // The default interval to poll for hash changes, if necessary, is - // twenty times a second. - interval: 50, - - // Gets the true hash value. Cannot use location.hash directly due to bug - // in Firefox where location.hash will always be decoded. - getHash: function(window) { - var match = (window || this).location.href.match(/#(.*)$/); - 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 || !this._wantsHashChange || forcePushState) { - fragment = this.location.pathname; - var root = this.root.replace(trailingSlash, ''); - if (!fragment.indexOf(root)) fragment = fragment.substr(root.length); - } else { - fragment = this.getHash(); - } - } - return fragment.replace(routeStripper, ''); - }, - - // Start the hash change handling, returning `true` if the current URL matches - // an existing route, and `false` otherwise. - start: function(options) { - if (History.started) throw new Error("Backbone.history has already been started"); - History.started = true; - - // Figure out the initial configuration. Do we need an iframe? - // Is pushState desired ... is it available? - this.options = _.extend({}, {root: '/'}, this.options, options); - this.root = this.options.root; - this._wantsHashChange = this.options.hashChange !== false; - this._wantsPushState = !!this.options.pushState; - this._hasPushState = !!(this.options.pushState && this.history && this.history.pushState); - var fragment = this.getFragment(); - var docMode = document.documentMode; - var oldIE = (isExplorer.exec(navigator.userAgent.toLowerCase()) && (!docMode || docMode <= 7)); - - // Normalize root to always include a leading and trailing slash. - this.root = ('/' + this.root + '/').replace(rootStripper, '/'); - - if (oldIE && this._wantsHashChange) { - this.iframe = Backbone.$('<iframe src="javascript:0" tabindex="-1" />').hide().appendTo('body')[0].contentWindow; - this.navigate(fragment); - } - - // Depending on whether we're using pushState or hashes, and whether - // 'onhashchange' is supported, determine how we check the URL state. - if (this._hasPushState) { - Backbone.$(window).on('popstate', this.checkUrl); - } else if (this._wantsHashChange && ('onhashchange' in window) && !oldIE) { - Backbone.$(window).on('hashchange', this.checkUrl); - } else if (this._wantsHashChange) { - this._checkUrlInterval = setInterval(this.checkUrl, this.interval); - } - - // Determine if we need to change the base url, for a pushState link - // opened by a non-pushState browser. - this.fragment = fragment; - var loc = this.location; - var atRoot = loc.pathname.replace(/[^\/]$/, '$&/') === this.root; - - // If we've started off with a route from a `pushState`-enabled browser, - // but we're currently in a browser that doesn't support it... - if (this._wantsHashChange && this._wantsPushState && !this._hasPushState && !atRoot) { - this.fragment = this.getFragment(null, true); - this.location.replace(this.root + this.location.search + '#' + this.fragment); - // Return immediately as browser will do redirect to new url - return true; - - // Or if we've started out with a hash-based route, but we're currently - // in a browser where it could be `pushState`-based instead... - } else if (this._wantsPushState && this._hasPushState && atRoot && loc.hash) { - this.fragment = this.getHash().replace(routeStripper, ''); - this.history.replaceState({}, document.title, this.root + this.fragment + loc.search); - } - - if (!this.options.silent) return this.loadUrl(); - }, - - // Disable Backbone.history, perhaps temporarily. Not useful in a real app, - // but possibly useful for unit testing Routers. - stop: function() { - Backbone.$(window).off('popstate', this.checkUrl).off('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}; - fragment = this.getFragment(fragment || ''); - if (this.fragment === fragment) return; - this.fragment = fragment; - var url = this.root + fragment; - - // If pushState is available, we use it to set the fragment as a real URL. - if (this._hasPushState) { - this.history[options.replace ? 'replaceState' : 'pushState']({}, document.title, url); - - // If hash changes haven't been explicitly disabled, update the hash - // fragment to store history. - } else if (this._wantsHashChange) { - this._updateHash(this.location, fragment, options.replace); - if (this.iframe && (fragment !== this.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, fragment, options.replace); - } - - // If you've told us that you explicitly don't want fallback hashchange- - // based history, then `navigate` becomes a page refresh. - } else { - return this.location.assign(url); - } - if (options.trigger) this.loadUrl(fragment); - }, - - // Update the hash location, either replacing the current entry, or adding - // a new one to the browser history. - _updateHash: function(location, fragment, replace) { - if (replace) { - var href = location.href.replace(/(javascript:|#).*$/, ''); - location.replace(href + '#' + fragment); - } else { - // Some browsers require that `hash` contains a leading #. - location.hash = '#' + fragment; - } - } - - }); - - // Create the default Backbone.history. - Backbone.history = new History; - - // Backbone.View - // ------------- - - // Creating a Backbone.View creates its initial element outside of the DOM, - // if an existing element is not provided... - var View = Backbone.View = function(options) { - this.cid = _.uniqueId('view'); - this._configure(options || {}); - this._ensureElement(); - this.initialize.apply(this, arguments); - this.delegateEvents(); - }; - - // Cached regex to split keys for `delegate`. - var delegateEventSplitter = /^(\S+)\s*(.*)$/; - - // List of view options to be merged as properties. - var viewOptions = ['model', 'collection', 'el', 'id', 'attributes', 'className', 'tagName', 'events']; - - // Set up all inheritable **Backbone.View** properties and methods. - _.extend(View.prototype, Events, { - - // The default `tagName` of a View's element is `"div"`. - tagName: 'div', - - // jQuery delegate for element lookup, scoped to DOM elements within the - // current view. This should be 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 by taking the element out of the DOM, and removing any - // applicable Backbone.Events listeners. - remove: function() { - this.$el.remove(); - this.stopListening(); - return this; - }, - - // Change the view's element (`this.el` property), including event - // re-delegation. - setElement: function(element, delegate) { - if (this.$el) this.undelegateEvents(); - this.$el = element instanceof Backbone.$ ? element : Backbone.$(element); - this.el = this.$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 = _.result(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.$el.on(eventName, method); - } else { - this.$el.on(eventName, selector, 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.$el.off('.delegateEvents' + this.cid); - }, - - // Performs the initial configuration of a View with a set of options. - // Keys with special meaning *(model, collection, id, className)*, are - // attached directly to the view. - _configure: function(options) { - if (this.options) options = _.extend({}, _.result(this, 'options'), options); - _.extend(this, _.pick(options, viewOptions)); - this.options = options; - }, - - // Ensure that the View has a DOM element to render into. - // If `this.el` is a string, pass it through `$()`, 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 = _.extend({}, _.result(this, 'attributes')); - if (this.id) attrs.id = _.result(this, 'id'); - if (this.className) attrs['class'] = _.result(this, 'className'); - var $el = Backbone.$('<' + _.result(this, 'tagName') + '>').attr(attrs); - this.setElement($el, false); - } else { - this.setElement(_.result(this, 'el'), false); - } - } - - }); - - // Backbone.sync - // ------------- - - // Map from CRUD to HTTP for our default `Backbone.sync` implementation. - var methodMap = { - 'create': 'POST', - 'update': 'PUT', - 'patch': 'PATCH', - '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. - _.defaults(options || (options = {}), { - emulateHTTP: Backbone.emulateHTTP, - emulateJSON: Backbone.emulateJSON - }); - - // Default JSON-request options. - var params = {type: type, dataType: 'json'}; - - // Ensure that we have a URL. - if (!options.url) { - params.url = _.result(model, 'url') || urlError(); - } - - // Ensure that we have the appropriate request data. - if (options.data == null && model && (method === 'create' || method === 'update' || method === 'patch')) { - params.contentType = 'application/json'; - params.data = JSON.stringify(options.attrs || model.toJSON(options)); - } - - // For older servers, emulate JSON by encoding the request into an HTML-form. - if (options.emulateJSON) { - params.contentType = 'application/x-www-form-urlencoded'; - params.data = params.data ? {model: params.data} : {}; - } - - // For older servers, emulate HTTP by mimicking the HTTP method with `_method` - // And an `X-HTTP-Method-Override` header. - if (options.emulateHTTP && (type === 'PUT' || type === 'DELETE' || type === 'PATCH')) { - params.type = 'POST'; - if (options.emulateJSON) params.data._method = type; - var beforeSend = options.beforeSend; - options.beforeSend = function(xhr) { - xhr.setRequestHeader('X-HTTP-Method-Override', type); - if (beforeSend) return beforeSend.apply(this, arguments); - }; - } - - // Don't process data on a non-GET request. - if (params.type !== 'GET' && !options.emulateJSON) { - params.processData = false; - } - - var success = options.success; - options.success = function(resp) { - if (success) success(model, resp, options); - model.trigger('sync', model, resp, options); - }; - - var error = options.error; - options.error = function(xhr) { - if (error) error(model, xhr, options); - model.trigger('error', model, xhr, options); - }; - - // Make the request, allowing the user to override any Ajax options. - var xhr = options.xhr = Backbone.ajax(_.extend(params, options)); - model.trigger('request', model, xhr, options); - return xhr; - }; - - // Set the default implementation of `Backbone.ajax` to proxy through to `$`. - Backbone.ajax = function() { - return Backbone.$.ajax.apply(Backbone.$, arguments); - }; - - // Helpers - // ------- - - // Helper function to correctly set up the prototype chain, for subclasses. - // Similar to `goog.inherits`, but uses a hash of prototype properties and - // class properties to be extended. - var extend = function(protoProps, staticProps) { - var parent = this; - var child; - - // The constructor function for the new subclass is either defined by you - // (the "constructor" property in your `extend` definition), or defaulted - // by us to simply call the parent's constructor. - if (protoProps && _.has(protoProps, 'constructor')) { - child = protoProps.constructor; - } else { - child = function(){ return parent.apply(this, arguments); }; - } - - // Add static properties to the constructor function, if supplied. - _.extend(child, parent, staticProps); - - // Set the prototype chain to inherit from `parent`, without calling - // `parent`'s constructor function. - var Surrogate = function(){ this.constructor = child; }; - Surrogate.prototype = parent.prototype; - child.prototype = new Surrogate; - - // Add prototype properties (instance properties) to the subclass, - // if supplied. - if (protoProps) _.extend(child.prototype, protoProps); - - // Set a convenience property in case the parent's prototype is needed - // later. - child.__super__ = parent.prototype; - - return child; - }; - - // Set up inheritance for the model, collection, router, view and history. - Model.extend = Collection.extend = Router.extend = View.extend = History.extend = extend; - - // Throw an error when a URL is needed, and none is supplied. - var urlError = function() { - throw new Error('A "url" property or function must be specified'); - }; - -}).call(this); |