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@ -1,4 +1,4 @@
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// Backbone.js 0.9.9
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// Backbone.js 0.9.10
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// (c) 2010-2012 Jeremy Ashkenas, DocumentCloud Inc.
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// Backbone may be freely distributed under the MIT license.
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@ -34,7 +34,7 @@
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}
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// Current version of the library. Keep in sync with `package.json`.
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Backbone.VERSION = '0.9.9';
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Backbone.VERSION = '0.9.10';
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// Require Underscore, if we're on the server, and it's not already present.
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var _ = root._;
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@ -88,7 +88,7 @@
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// Optimized internal dispatch function for triggering events. Tries to
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// keep the usual cases speedy (most Backbone events have 3 arguments).
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var triggerEvents = function(obj, events, args) {
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var triggerEvents = function (events, args) {
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var ev, i = -1, l = events.length;
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switch (args.length) {
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case 0: while (++i < l) (ev = events[i]).callback.call(ev.ctx);
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@ -142,7 +142,7 @@
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// Remove one or many callbacks. If `context` is null, removes all
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// callbacks with that function. If `callback` is null, removes all
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// callbacks for the event. If `events` is null, removes all bound
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// callbacks for the event. If `name` is null, removes all bound
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// callbacks for all events.
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off: function (name, callback, context) {
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var list, ev, events, names, i, l, j, k;
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@ -160,7 +160,8 @@
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if (callback || context) {
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for (j = 0, k = list.length; j < k; j++) {
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ev = list[j];
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if ((callback && callback !== (ev.callback._callback || ev.callback)) ||
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if ((callback && callback !== ev.callback &&
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callback !== ev.callback._callback) ||
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(context && context !== ev.context)) {
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events.push(ev);
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}
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@ -183,32 +184,33 @@
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if (!eventsApi(this, 'trigger', name, args)) return this;
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var events = this._events[name];
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var allEvents = this._events.all;
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if (events) triggerEvents(this, events, args);
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if (allEvents) triggerEvents(this, allEvents, arguments);
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if (events) triggerEvents(events, args);
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if (allEvents) triggerEvents(allEvents, arguments);
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return this;
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},
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// An inversion-of-control version of `on`. Tell *this* object to listen to
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// an event in another object ... keeping track of what it's listening to.
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listenTo: function(object, events, callback) {
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listenTo: function (obj, name, callback) {
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var listeners = this._listeners || (this._listeners = {});
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var id = object._listenerId || (object._listenerId = _.uniqueId('l'));
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listeners[id] = object;
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object.on(events, callback || this, this);
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var id = obj._listenerId || (obj._listenerId = _.uniqueId('l'));
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listeners[id] = obj;
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obj.on(name, typeof name === 'object' ? this : callback, this);
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return this;
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},
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// Tell this object to stop listening to either specific events ... or
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// to every object it's currently listening to.
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stopListening: function(object, events, callback) {
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stopListening: function (obj, name, callback) {
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var listeners = this._listeners;
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if (!listeners) return;
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if (object) {
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object.off(events, callback, this);
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if (!events && !callback) delete listeners[object._listenerId];
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if (obj) {
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obj.off(name, typeof name === 'object' ? this : callback, this);
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if (!name && !callback) delete listeners[obj._listenerId];
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} else {
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if (typeof name === 'object') callback = this;
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for (var id in listeners) {
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listeners[id].off(null, null, this);
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listeners[id].off(name, callback, this);
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}
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this._listeners = {};
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}
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@ -233,15 +235,14 @@
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var defaults;
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var attrs = attributes || {};
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this.cid = _.uniqueId('c');
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this.changed = {};
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this.attributes = {};
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this._changes = [];
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if (options && options.collection) this.collection = options.collection;
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if (options && options.parse) attrs = this.parse(attrs);
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if (defaults = _.result(this, 'defaults')) _.defaults(attrs, defaults);
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this.set(attrs, {silent: true});
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this._currentAttributes = _.clone(this.attributes);
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this._previousAttributes = _.clone(this.attributes);
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if (options && options.parse) attrs = this.parse(attrs, options) || {};
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if (defaults = _.result(this, 'defaults')) {
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attrs = _.defaults({}, attrs, defaults);
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}
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this.set(attrs, options);
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this.changed = {};
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this.initialize.apply(this, arguments);
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};
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@ -285,47 +286,72 @@
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return this.get(attr) != null;
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},
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// ----------------------------------------------------------------------
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// Set a hash of model attributes on the object, firing `"change"` unless
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// you choose to silence it.
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set: function (key, val, options) {
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var attr, attrs;
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var attr, attrs, unset, changes, silent, changing, prev, current;
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if (key == null) return this;
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// Handle both `"key", value` and `{key: value}` -style arguments.
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if (_.isObject(key)) {
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if (typeof key === 'object') {
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attrs = key;
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options = val;
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} else {
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(attrs = {})[key] = val;
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}
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// Extract attributes and options.
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var silent = options && options.silent;
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var unset = options && options.unset;
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options || (options = {});
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// Run validation.
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if (!this._validate(attrs, options)) return false;
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// Extract attributes and options.
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unset = options.unset;
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silent = options.silent;
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changes = [];
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changing = this._changing;
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this._changing = true;
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if (!changing) {
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this._previousAttributes = _.clone(this.attributes);
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this.changed = {};
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}
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current = this.attributes, prev = this._previousAttributes;
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// Check for changes of `id`.
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if (this.idAttribute in attrs) this.id = attrs[this.idAttribute];
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var now = this.attributes;
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// For each `set` attribute...
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// For each `set` attribute, update or delete the current value.
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for (attr in attrs) {
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val = attrs[attr];
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// Update or delete the current value, and track the change.
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unset ? delete now[attr] : now[attr] = val;
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this._changes.push(attr, val);
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if (!_.isEqual(current[attr], val)) changes.push(attr);
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if (!_.isEqual(prev[attr], val)) {
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this.changed[attr] = val;
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} else {
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delete this.changed[attr];
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}
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unset ? delete current[attr] : current[attr] = val;
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}
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// Signal that the model's state has potentially changed, and we need
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// to recompute the actual changes.
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this._hasComputed = false;
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// Trigger all relevant attribute changes.
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if (!silent) {
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if (changes.length) this._pending = true;
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for (var i = 0, l = changes.length; i < l; i++) {
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this.trigger('change:' + changes[i], this, current[changes[i]], options);
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}
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}
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// Fire the `"change"` events.
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if (!silent) this.change(options);
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if (changing) return this;
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if (!silent) {
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while (this._pending) {
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this._pending = false;
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this.trigger('change', this, options);
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}
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}
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this._pending = false;
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this._changing = false;
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return this;
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},
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@ -343,16 +369,54 @@
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return this.set(attrs, _.extend({}, options, { unset: true }));
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},
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// Determine if the model has changed since the last `"change"` event.
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// If you specify an attribute name, determine if that attribute has changed.
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hasChanged: function (attr) {
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if (attr == null) return !_.isEmpty(this.changed);
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return _.has(this.changed, attr);
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},
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// Return an object containing all the attributes that have changed, or
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// false if there are no changed attributes. Useful for determining what
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// parts of a view need to be updated and/or what attributes need to be
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// persisted to the server. Unset attributes will be set to undefined.
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// You can also pass an attributes object to diff against the model,
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// determining if there *would be* a change.
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changedAttributes: function (diff) {
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if (!diff) return this.hasChanged() ? _.clone(this.changed) : false;
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var val, changed = false;
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var old = this._changing ? this._previousAttributes : this.attributes;
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for (var attr in diff) {
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if (_.isEqual(old[attr], (val = diff[attr]))) continue;
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(changed || (changed = {}))[attr] = val;
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}
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return changed;
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},
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// Get the previous value of an attribute, recorded at the time the last
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// `"change"` event was fired.
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previous: function (attr) {
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if (attr == null || !this._previousAttributes) return null;
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return this._previousAttributes[attr];
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},
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// Get all of the attributes of the model at the time of the previous
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// `"change"` event.
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previousAttributes: function () {
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return _.clone(this._previousAttributes);
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},
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// ---------------------------------------------------------------------
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// Fetch the model from the server. If the server's representation of the
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// model differs from its current attributes, they will be overriden,
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// triggering a `"change"` event.
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fetch: function (options) {
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options = options ? _.clone(options) : {};
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if (options.parse === void 0) options.parse = true;
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var model = this;
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var success = options.success;
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options.success = function(resp, status, xhr) {
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if (!model.set(model.parse(resp), options)) return false;
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options.success = function (model, resp, options) {
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if (!model.set(model.parse(resp, options), options)) return false;
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if (success) success(model, resp, options);
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};
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return this.sync('read', this, options);
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@ -362,55 +426,51 @@
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// If the server returns an attributes hash that differs, the model's
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// state will be `set` again.
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save: function (key, val, options) {
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var attrs, current, done;
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var attrs, success, method, xhr, attributes = this.attributes;
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// Handle both `"key", value` and `{key: value}` -style arguments.
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if (key == null || _.isObject(key)) {
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if (key == null || typeof key === 'object') {
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attrs = key;
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options = val;
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} else if (key != null) {
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} else {
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(attrs = {})[key] = val;
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}
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options = options ? _.clone(options) : {};
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// If we're "wait"-ing to set changed attributes, validate early.
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if (options.wait) {
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if (attrs && !this._validate(attrs, options)) return false;
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current = _.clone(this.attributes);
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}
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// If we're not waiting and attributes exist, save acts as `set(attr).save(null, opts)`.
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if (attrs && (!options || !options.wait) && !this.set(attrs, options)) return false;
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// Regular saves `set` attributes before persisting to the server.
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var silentOptions = _.extend({}, options, {silent: true});
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if (attrs && !this.set(attrs, options.wait ? silentOptions : options)) {
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return false;
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}
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options = _.extend({ validate: true }, options);
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// Do not persist invalid models.
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if (!attrs && !this._validate(null, options)) return false;
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if (!this._validate(attrs, options)) return false;
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// Set temporary attributes if `{wait: true}`.
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if (attrs && options.wait) {
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this.attributes = _.extend({}, attributes, attrs);
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}
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// After a successful server-side save, the client is (optionally)
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// updated with the server-side state.
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var model = this;
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var success = options.success;
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options.success = function(resp, status, xhr) {
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done = true;
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var serverAttrs = model.parse(resp);
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if (options.parse === void 0) options.parse = true;
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success = options.success;
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options.success = function (model, resp, options) {
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// Ensure attributes are restored during synchronous saves.
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model.attributes = attributes;
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var serverAttrs = model.parse(resp, options);
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if (options.wait) serverAttrs = _.extend(attrs || {}, serverAttrs);
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if (!model.set(serverAttrs, options)) return false;
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if (_.isObject(serverAttrs) && !model.set(serverAttrs, options)) {
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return false;
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}
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|
|
|
|
if (success) success(model, resp, options);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
// Finish configuring and sending the Ajax request.
|
|
|
|
|
var method = this.isNew() ? 'create' : (options.patch ? 'patch' : 'update');
|
|
|
|
|
if (method == 'patch') options.attrs = attrs;
|
|
|
|
|
var xhr = this.sync(method, this, options);
|
|
|
|
|
method = this.isNew() ? 'create' : (options.patch ? 'patch' : 'update');
|
|
|
|
|
if (method === 'patch') options.attrs = attrs;
|
|
|
|
|
xhr = this.sync(method, this, options);
|
|
|
|
|
|
|
|
|
|
// When using `wait`, reset attributes to original values unless
|
|
|
|
|
// `success` has been called already.
|
|
|
|
|
if (!done && options.wait) {
|
|
|
|
|
this.clear(silentOptions);
|
|
|
|
|
this.set(current, silentOptions);
|
|
|
|
|
}
|
|
|
|
|
// Restore attributes.
|
|
|
|
|
if (attrs && options.wait) this.attributes = attributes;
|
|
|
|
|
|
|
|
|
|
return xhr;
|
|
|
|
|
},
|
|
|
|
@ -427,13 +487,13 @@
|
|
|
|
|
model.trigger('destroy', model, model.collection, options);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
options.success = function(resp) {
|
|
|
|
|
options.success = function (model, resp, options) {
|
|
|
|
|
if (options.wait || model.isNew()) destroy();
|
|
|
|
|
if (success) success(model, resp, options);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
if (this.isNew()) {
|
|
|
|
|
options.success();
|
|
|
|
|
options.success(this, null, options);
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
@ -453,7 +513,7 @@
|
|
|
|
|
|
|
|
|
|
// **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) {
|
|
|
|
|
parse: function (resp, options) {
|
|
|
|
|
return resp;
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
@ -467,115 +527,20 @@
|
|
|
|
|
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) {
|
|
|
|
|
var changing = this._changing;
|
|
|
|
|
this._changing = true;
|
|
|
|
|
|
|
|
|
|
// Generate the changes to be triggered on the model.
|
|
|
|
|
var triggers = this._computeChanges(true);
|
|
|
|
|
|
|
|
|
|
this._pending = !!triggers.length;
|
|
|
|
|
|
|
|
|
|
for (var i = triggers.length - 2; i >= 0; i -= 2) {
|
|
|
|
|
this.trigger('change:' + triggers[i], this, triggers[i + 1], options);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (changing) return this;
|
|
|
|
|
|
|
|
|
|
// Trigger a `change` while there have been changes.
|
|
|
|
|
while (this._pending) {
|
|
|
|
|
this._pending = false;
|
|
|
|
|
this.trigger('change', this, options);
|
|
|
|
|
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 (!this._hasComputed) this._computeChanges();
|
|
|
|
|
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, old = this._previousAttributes;
|
|
|
|
|
for (var attr in diff) {
|
|
|
|
|
if (_.isEqual(old[attr], (val = diff[attr]))) continue;
|
|
|
|
|
(changed || (changed = {}))[attr] = val;
|
|
|
|
|
}
|
|
|
|
|
return changed;
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
// Looking at the built up list of `set` attribute changes, compute how
|
|
|
|
|
// many of the attributes have actually changed. If `loud`, return a
|
|
|
|
|
// boiled-down list of only the real changes.
|
|
|
|
|
_computeChanges: function(loud) {
|
|
|
|
|
this.changed = {};
|
|
|
|
|
var already = {};
|
|
|
|
|
var triggers = [];
|
|
|
|
|
var current = this._currentAttributes;
|
|
|
|
|
var changes = this._changes;
|
|
|
|
|
|
|
|
|
|
// Loop through the current queue of potential model changes.
|
|
|
|
|
for (var i = changes.length - 2; i >= 0; i -= 2) {
|
|
|
|
|
var key = changes[i], val = changes[i + 1];
|
|
|
|
|
if (already[key]) continue;
|
|
|
|
|
already[key] = true;
|
|
|
|
|
|
|
|
|
|
// Check if the attribute has been modified since the last change,
|
|
|
|
|
// and update `this.changed` accordingly. If we're inside of a `change`
|
|
|
|
|
// call, also add a trigger to the list.
|
|
|
|
|
if (current[key] !== val) {
|
|
|
|
|
this.changed[key] = val;
|
|
|
|
|
if (!loud) continue;
|
|
|
|
|
triggers.push(key, val);
|
|
|
|
|
current[key] = val;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (loud) this._changes = [];
|
|
|
|
|
|
|
|
|
|
// Signals `this.changed` is current to prevent duplicate calls from `this.hasChanged`.
|
|
|
|
|
this._hasComputed = true;
|
|
|
|
|
return triggers;
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
// 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);
|
|
|
|
|
// 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. If a specific `error` callback has
|
|
|
|
|
// been passed, call that instead of firing the general `"error"` event.
|
|
|
|
|
// returning `true` if all is well. Otherwise, fire a general
|
|
|
|
|
// `"error"` event and call the error callback, if specified.
|
|
|
|
|
_validate: function (attrs, options) {
|
|
|
|
|
if (!this.validate) return true;
|
|
|
|
|
if (!options.validate || !this.validate) return true;
|
|
|
|
|
attrs = _.extend({}, this.attributes, attrs);
|
|
|
|
|
var error = this.validate(attrs, options);
|
|
|
|
|
var error = this.validationError = this.validate(attrs, options) || null;
|
|
|
|
|
if (!error) return true;
|
|
|
|
|
if (options && options.error) options.error(this, error, options);
|
|
|
|
|
this.trigger('error', this, error, options);
|
|
|
|
|
this.trigger('invalid', this, error, options || {});
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
@ -591,6 +556,7 @@
|
|
|
|
|
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));
|
|
|
|
@ -618,74 +584,81 @@
|
|
|
|
|
return Backbone.sync.apply(this, arguments);
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
// Add a model, or list of models to the set. Pass **silent** to avoid
|
|
|
|
|
// firing the `add` event for every new model.
|
|
|
|
|
// Add a model, or list of models to the set.
|
|
|
|
|
add: function (models, options) {
|
|
|
|
|
var i, args, length, model, existing, needsSort;
|
|
|
|
|
var at = options && options.at;
|
|
|
|
|
var sort = ((options && options.sort) == null ? true : options.sort);
|
|
|
|
|
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 = models.length - 1; i >= 0; i--) {
|
|
|
|
|
if(!(model = this._prepareModel(models[i], options))) {
|
|
|
|
|
this.trigger("error", this, models[i], options);
|
|
|
|
|
models.splice(i, 1);
|
|
|
|
|
for (i = 0, l = models.length; i < l; i++) {
|
|
|
|
|
if (!(model = this._prepareModel(attrs = models[i], options))) {
|
|
|
|
|
this.trigger('invalid', this, attrs, options);
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
models[i] = model;
|
|
|
|
|
|
|
|
|
|
existing = model.id != null && this._byId[model.id];
|
|
|
|
|
// If a duplicate is found, prevent it from being added and
|
|
|
|
|
// optionally merge it into the existing model.
|
|
|
|
|
if (existing || this._byCid[model.cid]) {
|
|
|
|
|
if (options && options.merge && existing) {
|
|
|
|
|
existing.set(model.attributes, options);
|
|
|
|
|
needsSort = sort;
|
|
|
|
|
if (existing = this.get(model)) {
|
|
|
|
|
if (options.merge) {
|
|
|
|
|
existing.set(attrs === model ? model.attributes : attrs, options);
|
|
|
|
|
if (sort && !doSort && existing.hasChanged(sortAttr)) doSort = true;
|
|
|
|
|
}
|
|
|
|
|
models.splice(i, 1);
|
|
|
|
|
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._byCid[model.cid] = model;
|
|
|
|
|
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 (models.length) needsSort = sort;
|
|
|
|
|
this.length += models.length;
|
|
|
|
|
args = [at != null ? at : this.models.length, 0];
|
|
|
|
|
push.apply(args, models);
|
|
|
|
|
splice.apply(this.models, args);
|
|
|
|
|
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);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Sort the collection if appropriate.
|
|
|
|
|
if (needsSort && this.comparator && at == null) this.sort({silent: true});
|
|
|
|
|
// Silently sort the collection if appropriate.
|
|
|
|
|
if (doSort) this.sort({ silent: true });
|
|
|
|
|
|
|
|
|
|
if (options && options.silent) return this;
|
|
|
|
|
if (options.silent) return this;
|
|
|
|
|
|
|
|
|
|
// Trigger `add` events.
|
|
|
|
|
while (model = models.shift()) {
|
|
|
|
|
model.trigger('add', model, this, options);
|
|
|
|
|
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. Pass silent to avoid
|
|
|
|
|
// firing the `remove` event for every model removed.
|
|
|
|
|
// Remove a model, or a list of models from the set.
|
|
|
|
|
remove: function (models, options) {
|
|
|
|
|
var i, l, index, model;
|
|
|
|
|
options || (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._byCid[model.cid];
|
|
|
|
|
delete this._byId[model.cid];
|
|
|
|
|
index = this.indexOf(model);
|
|
|
|
|
this.models.splice(index, 1);
|
|
|
|
|
this.length--;
|
|
|
|
@ -734,7 +707,8 @@
|
|
|
|
|
// Get a model from the set by id.
|
|
|
|
|
get: function (obj) {
|
|
|
|
|
if (obj == null) return void 0;
|
|
|
|
|
return this._byId[obj.id != null ? obj.id : obj] || this._byCid[obj.cid || obj];
|
|
|
|
|
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.
|
|
|
|
@ -760,14 +734,16 @@
|
|
|
|
|
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 || !options.silent) this.trigger('sort', this, options);
|
|
|
|
|
if (!options.silent) this.trigger('sort', this, options);
|
|
|
|
|
return this;
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
@ -779,11 +755,10 @@
|
|
|
|
|
// 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 = {};
|
|
|
|
|
var idAttr = this.model.prototype.idAttribute;
|
|
|
|
|
options = _.extend({add: true, merge: true, remove: true}, options);
|
|
|
|
|
if (options.parse) models = this.parse(models);
|
|
|
|
|
|
|
|
|
|
// Allow a single model (or no argument) to be passed.
|
|
|
|
|
if (!_.isArray(models)) models = models ? [models] : [];
|
|
|
|
@ -794,7 +769,7 @@
|
|
|
|
|
// 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.id || model.cid || model[idAttr]);
|
|
|
|
|
existing = this.get(model);
|
|
|
|
|
if (options.remove && existing) modelMap[existing.cid] = true;
|
|
|
|
|
if ((options.add && !existing) || (options.merge && existing)) {
|
|
|
|
|
add.push(model);
|
|
|
|
@ -818,11 +793,11 @@
|
|
|
|
|
// any `add` or `remove` events. Fires `reset` when finished.
|
|
|
|
|
reset: function (models, options) {
|
|
|
|
|
options || (options = {});
|
|
|
|
|
if (options.parse) models = this.parse(models);
|
|
|
|
|
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;
|
|
|
|
|
options.previousModels = this.models.slice();
|
|
|
|
|
this._reset();
|
|
|
|
|
if (models) this.add(models, _.extend({ silent: true }, options));
|
|
|
|
|
if (!options.silent) this.trigger('reset', this, options);
|
|
|
|
@ -830,14 +805,13 @@
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
// 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.
|
|
|
|
|
// 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 collection = this;
|
|
|
|
|
var success = options.success;
|
|
|
|
|
options.success = function(resp, status, xhr) {
|
|
|
|
|
options.success = function (collection, resp, options) {
|
|
|
|
|
var method = options.update ? 'update' : 'reset';
|
|
|
|
|
collection[method](resp, options);
|
|
|
|
|
if (success) success(collection, resp, options);
|
|
|
|
@ -849,11 +823,10 @@
|
|
|
|
|
// collection immediately, unless `wait: true` is passed, in which case we
|
|
|
|
|
// wait for the server to agree.
|
|
|
|
|
create: function (model, options) {
|
|
|
|
|
var collection = this;
|
|
|
|
|
options = options ? _.clone(options) : {};
|
|
|
|
|
model = this._prepareModel(model, options);
|
|
|
|
|
if (!model) return false;
|
|
|
|
|
if (!options.wait) collection.add(model, 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);
|
|
|
|
@ -865,7 +838,7 @@
|
|
|
|
|
|
|
|
|
|
// **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) {
|
|
|
|
|
parse: function (resp, options) {
|
|
|
|
|
return resp;
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
@ -874,19 +847,11 @@
|
|
|
|
|
return new this.constructor(this.models);
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
// 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 () {
|
|
|
|
|
this.length = 0;
|
|
|
|
|
this.models = [];
|
|
|
|
|
this.models.length = 0;
|
|
|
|
|
this._byId = {};
|
|
|
|
|
this._byCid = {};
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
// Prepare a model or hash of attributes to be added to this collection.
|
|
|
|
@ -920,6 +885,14 @@
|
|
|
|
|
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);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
});
|
|
|
|
@ -928,9 +901,9 @@
|
|
|
|
|
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', 'sortedIndex', 'toArray', 'size', 'first', 'head', 'take',
|
|
|
|
|
'initial', 'rest', 'tail', 'last', 'without', 'indexOf', 'shuffle',
|
|
|
|
|
'lastIndexOf', 'isEmpty'];
|
|
|
|
|
'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) {
|
|
|
|
@ -969,7 +942,7 @@
|
|
|
|
|
// Cached regular expressions for matching named param parts and splatted
|
|
|
|
|
// parts of route strings.
|
|
|
|
|
var optionalParam = /\((.*?)\)/g;
|
|
|
|
|
var namedParam = /:\w+/g;
|
|
|
|
|
var namedParam = /(\(\?)?:\w+/g;
|
|
|
|
|
var splatParam = /\*\w+/g;
|
|
|
|
|
var escapeRegExp = /[\-{}\[\]+?.,\\\^$|#\s]/g;
|
|
|
|
|
|
|
|
|
@ -993,6 +966,7 @@
|
|
|
|
|
var args = this._extractParameters(route, fragment);
|
|
|
|
|
callback && callback.apply(this, args);
|
|
|
|
|
this.trigger.apply(this, ['route:' + name].concat(args));
|
|
|
|
|
this.trigger('route', name, args);
|
|
|
|
|
Backbone.history.trigger('route', this, name, args);
|
|
|
|
|
}, this));
|
|
|
|
|
return this;
|
|
|
|
@ -1020,7 +994,9 @@
|
|
|
|
|
_routeToRegExp: function (route) {
|
|
|
|
|
route = route.replace(escapeRegExp, '\\$&')
|
|
|
|
|
.replace(optionalParam, '(?:$1)?')
|
|
|
|
|
.replace(namedParam, '([^\/]+)')
|
|
|
|
|
.replace(namedParam, function (match, optional) {
|
|
|
|
|
return optional ? match : '([^\/]+)';
|
|
|
|
|
})
|
|
|
|
|
.replace(splatParam, '(.*?)');
|
|
|
|
|
return new RegExp('^' + route + '$');
|
|
|
|
|
},
|
|
|
|
@ -1121,9 +1097,9 @@
|
|
|
|
|
// 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.$(window).bind('popstate', this.checkUrl);
|
|
|
|
|
Backbone.$(window).on('popstate', this.checkUrl);
|
|
|
|
|
} else if (this._wantsHashChange && ('onhashchange' in window) && !oldIE) {
|
|
|
|
|
Backbone.$(window).bind('hashchange', this.checkUrl);
|
|
|
|
|
Backbone.$(window).on('hashchange', this.checkUrl);
|
|
|
|
|
} else if (this._wantsHashChange) {
|
|
|
|
|
this._checkUrlInterval = setInterval(this.checkUrl, this.interval);
|
|
|
|
|
}
|
|
|
|
@ -1155,7 +1131,7 @@
|
|
|
|
|
// Disable Backbone.history, perhaps temporarily. Not useful in a real app,
|
|
|
|
|
// but possibly useful for unit testing Routers.
|
|
|
|
|
stop: function () {
|
|
|
|
|
Backbone.$(window).unbind('popstate', this.checkUrl).unbind('hashchange', this.checkUrl);
|
|
|
|
|
Backbone.$(window).off('popstate', this.checkUrl).off('hashchange', this.checkUrl);
|
|
|
|
|
clearInterval(this._checkUrlInterval);
|
|
|
|
|
History.started = false;
|
|
|
|
|
},
|
|
|
|
@ -1298,18 +1274,6 @@
|
|
|
|
|
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) Backbone.$(el).attr(attributes);
|
|
|
|
|
if (content != null) Backbone.$(el).html(content);
|
|
|
|
|
return el;
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
// Change the view's element (`this.el` property), including event
|
|
|
|
|
// re-delegation.
|
|
|
|
|
setElement: function (element, delegate) {
|
|
|
|
@ -1347,9 +1311,9 @@
|
|
|
|
|
method = _.bind(method, this);
|
|
|
|
|
eventName += '.delegateEvents' + this.cid;
|
|
|
|
|
if (selector === '') {
|
|
|
|
|
this.$el.bind(eventName, method);
|
|
|
|
|
this.$el.on(eventName, method);
|
|
|
|
|
} else {
|
|
|
|
|
this.$el.delegate(selector, eventName, method);
|
|
|
|
|
this.$el.on(eventName, selector, method);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
},
|
|
|
|
@ -1358,7 +1322,7 @@
|
|
|
|
|
// 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.$el.unbind('.delegateEvents' + this.cid);
|
|
|
|
|
this.$el.off('.delegateEvents' + this.cid);
|
|
|
|
|
},
|
|
|
|
|
|
|
|
|
|
// Performs the initial configuration of a View with a set of options.
|
|
|
|
@ -1379,7 +1343,8 @@
|
|
|
|
|
var attrs = _.extend({}, _.result(this, 'attributes'));
|
|
|
|
|
if (this.id) attrs.id = _.result(this, 'id');
|
|
|
|
|
if (this.className) attrs['class'] = _.result(this, 'className');
|
|
|
|
|
this.setElement(this.make(_.result(this, 'tagName'), attrs), false);
|
|
|
|
|
var $el = Backbone.$('<' + _.result(this, 'tagName') + '>').attr(attrs);
|
|
|
|
|
this.setElement($el, false);
|
|
|
|
|
} else {
|
|
|
|
|
this.setElement(_.result(this, 'el'), false);
|
|
|
|
|
}
|
|
|
|
@ -1461,19 +1426,19 @@
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var success = options.success;
|
|
|
|
|
options.success = function(resp, status, xhr) {
|
|
|
|
|
if (success) success(resp, status, xhr);
|
|
|
|
|
options.success = function (resp) {
|
|
|
|
|
if (success) success(model, resp, options);
|
|
|
|
|
model.trigger('sync', model, resp, options);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
var error = options.error;
|
|
|
|
|
options.error = function(xhr, status, thrown) {
|
|
|
|
|
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 = Backbone.ajax(_.extend(params, options));
|
|
|
|
|
var xhr = options.xhr = Backbone.ajax(_.extend(params, options));
|
|
|
|
|
model.trigger('request', model, xhr, options);
|
|
|
|
|
return xhr;
|
|
|
|
|
};
|
|
|
|
@ -1499,7 +1464,7 @@
|
|
|
|
|
if (protoProps && _.has(protoProps, 'constructor')) {
|
|
|
|
|
child = protoProps.constructor;
|
|
|
|
|
} else {
|
|
|
|
|
child = function(){ parent.apply(this, arguments); };
|
|
|
|
|
child = function () { return parent.apply(this, arguments); };
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Add static properties to the constructor function, if supplied.
|
|
|
|
|