Fauxton: Update Backbone to v1.1.0

1 files changed, 142 insertions, 130 deletions

diff --git a/src/fauxton/assets/js/libs/backbone.js b/src/fauxton/assets/js/libs/backbone.js
index 3512d42fb..58ec2abf4 100644
--- a/src/fauxton/assets/js/libs/backbone.js
+++ b/src/fauxton/assets/js/libs/backbone.js
@@ -1,6 +1,7 @@
-//     Backbone.js 1.0.0
+//     Backbone.js 1.1.0
 
-//     (c) 2010-2013 Jeremy Ashkenas, DocumentCloud Inc.
+//     (c) 2010-2011 Jeremy Ashkenas, DocumentCloud Inc.
+//     (c) 2011-2013 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 //     Backbone may be freely distributed under the MIT license.
 //     For all details and documentation:
 //     http://backbonejs.org
@@ -34,7 +35,7 @@
   }
 
   // Current version of the library. Keep in sync with `package.json`.
-  Backbone.VERSION = '1.0.0';
+  Backbone.VERSION = '1.1.0';
 
   // Require Underscore, if we're on the server, and it's not already present.
   var _ = root._;
@@ -52,7 +53,7 @@
   };
 
   // Turn on `emulateHTTP` to support legacy HTTP servers. Setting this option
-  // will fake `"PUT"` and `"DELETE"` requests via the `_method` parameter and
+  // will fake `"PATCH"`, `"PUT"` and `"DELETE"` requests via the `_method` parameter and
   // set a `X-Http-Method-Override` header.
   Backbone.emulateHTTP = false;
 
@@ -111,7 +112,6 @@
         this._events = {};
         return this;
       }
-
       names = name ? [name] : _.keys(this._events);
       for (i = 0, l = names.length; i < l; i++) {
         name = names[i];
@@ -151,14 +151,15 @@
     // 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 this;
-      var deleteListener = !name && !callback;
-      if (typeof name === 'object') callback = this;
-      if (obj) (listeners = {})[obj._listenerId] = obj;
-      for (var id in listeners) {
-        listeners[id].off(name, callback, this);
-        if (deleteListener) delete this._listeners[id];
+      var listeningTo = this._listeningTo;
+      if (!listeningTo) return this;
+      var remove = !name && !callback;
+      if (!callback && typeof name === 'object') callback = this;
+      if (obj) (listeningTo = {})[obj._listenId] = obj;
+      for (var id in listeningTo) {
+        obj = listeningTo[id];
+        obj.off(name, callback, this);
+        if (remove || _.isEmpty(obj._events)) delete this._listeningTo[id];
       }
       return this;
     }
@@ -215,10 +216,10 @@
   // listening to.
   _.each(listenMethods, function(implementation, method) {
     Events[method] = function(obj, name, callback) {
-      var listeners = this._listeners || (this._listeners = {});
-      var id = obj._listenerId || (obj._listenerId = _.uniqueId('l'));
-      listeners[id] = obj;
-      if (typeof name === 'object') callback = this;
+      var listeningTo = this._listeningTo || (this._listeningTo = {});
+      var id = obj._listenId || (obj._listenId = _.uniqueId('l'));
+      listeningTo[id] = obj;
+      if (!callback && typeof name === 'object') callback = this;
       obj[implementation](name, callback, this);
       return this;
     };
@@ -243,24 +244,18 @@
   // Create a new model with the specified attributes. A client id (`cid`)
   // is automatically generated and assigned for you.
   var Model = Backbone.Model = function(attributes, options) {
-    var defaults;
     var attrs = attributes || {};
     options || (options = {});
     this.cid = _.uniqueId('c');
     this.attributes = {};
-    _.extend(this, _.pick(options, modelOptions));
+    if (options.collection) this.collection = options.collection;
     if (options.parse) attrs = this.parse(attrs, options) || {};
-    if (defaults = _.result(this, 'defaults')) {
-      attrs = _.defaults({}, attrs, defaults);
-    }
+    attrs = _.defaults({}, attrs, _.result(this, 'defaults'));
     this.set(attrs, options);
     this.changed = {};
     this.initialize.apply(this, arguments);
   };
 
-  // A list of options to be attached directly to the model, if provided.
-  var modelOptions = ['url', 'urlRoot', 'collection'];
-
   // Attach all inheritable methods to the Model prototype.
   _.extend(Model.prototype, Events, {
 
@@ -456,13 +451,16 @@
         (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;
+      // If we're not waiting and attributes exist, save acts as
+      // `set(attr).save(null, opts)` with validation. Otherwise, check if
+      // the model will be valid when the attributes, if any, are set.
+      if (attrs && !options.wait) {
+        if (!this.set(attrs, options)) return false;
+      } else {
+        if (!this._validate(attrs, options)) return false;
+      }
 
       // Set temporary attributes if `{wait: true}`.
       if (attrs && options.wait) {
@@ -563,7 +561,7 @@
       attrs = _.extend({}, this.attributes, attrs);
       var error = this.validationError = this.validate(attrs, options) || null;
       if (!error) return true;
-      this.trigger('invalid', this, error, _.extend(options || {}, {validationError: error}));
+      this.trigger('invalid', this, error, _.extend(options, {validationError: error}));
       return false;
     }
 
@@ -596,7 +594,6 @@
   // its models in sort order, as they're added and removed.
   var Collection = Backbone.Collection = function(models, options) {
     options || (options = {});
-    if (options.url) this.url = options.url;
     if (options.model) this.model = options.model;
     if (options.comparator !== void 0) this.comparator = options.comparator;
     this._reset();
@@ -606,7 +603,7 @@
 
   // Default options for `Collection#set`.
   var setOptions = {add: true, remove: true, merge: true};
-  var addOptions = {add: true, merge: false, remove: false};
+  var addOptions = {add: true, remove: false};
 
   // Define the Collection's inheritable methods.
   _.extend(Collection.prototype, Events, {
@@ -632,16 +629,17 @@
 
     // Add a model, or list of models to the set.
     add: function(models, options) {
-      return this.set(models, _.defaults(options || {}, addOptions));
+      return this.set(models, _.extend({merge: false}, options, addOptions));
     },
 
     // Remove a model, or a list of models from the set.
     remove: function(models, options) {
-      models = _.isArray(models) ? models.slice() : [models];
+      var singular = !_.isArray(models);
+      models = singular ? [models] : _.clone(models);
       options || (options = {});
       var i, l, index, model;
       for (i = 0, l = models.length; i < l; i++) {
-        model = this.get(models[i]);
+        model = models[i] = this.get(models[i]);
         if (!model) continue;
         delete this._byId[model.id];
         delete this._byId[model.cid];
@@ -654,7 +652,7 @@
         }
         this._removeReference(model);
       }
-      return this;
+      return singular ? models[0] : models;
     },
 
     // Update a collection by `set`-ing a new list of models, adding new ones,
@@ -662,31 +660,45 @@
     // already exist in the collection, as necessary. Similar to **Model#set**,
     // the core operation for updating the data contained by the collection.
     set: function(models, options) {
-      options = _.defaults(options || {}, setOptions);
+      options = _.defaults({}, options, setOptions);
       if (options.parse) models = this.parse(models, options);
-      if (!_.isArray(models)) models = models ? [models] : [];
-      var i, l, model, attrs, existing, sort;
+      var singular = !_.isArray(models);
+      models = singular ? (models ? [models] : []) : _.clone(models);
+      var i, l, id, model, attrs, existing, sort;
       var at = options.at;
+      var targetModel = this.model;
       var sortable = this.comparator && (at == null) && options.sort !== false;
       var sortAttr = _.isString(this.comparator) ? this.comparator : null;
       var toAdd = [], toRemove = [], modelMap = {};
+      var add = options.add, merge = options.merge, remove = options.remove;
+      var order = !sortable && add && remove ? [] : false;
 
       // Turn bare objects into model references, and prevent invalid models
       // from being added.
       for (i = 0, l = models.length; i < l; i++) {
-        if (!(model = this._prepareModel(models[i], options))) continue;
+        attrs = models[i];
+        if (attrs instanceof Model) {
+          id = model = attrs;
+        } else {
+          id = attrs[targetModel.prototype.idAttribute];
+        }
 
         // 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.remove) modelMap[existing.cid] = true;
-          if (options.merge) {
-            existing.set(model.attributes, options);
+        if (existing = this.get(id)) {
+          if (remove) modelMap[existing.cid] = true;
+          if (merge) {
+            attrs = attrs === model ? model.attributes : attrs;
+            if (options.parse) attrs = existing.parse(attrs, options);
+            existing.set(attrs, options);
             if (sortable && !sort && existing.hasChanged(sortAttr)) sort = true;
           }
+          models[i] = existing;
 
-        // This is a new model, push it to the `toAdd` list.
-        } else if (options.add) {
+        // If this is a new, valid model, push it to the `toAdd` list.
+        } else if (add) {
+          model = models[i] = this._prepareModel(attrs, options);
+          if (!model) continue;
           toAdd.push(model);
 
           // Listen to added models' events, and index models for lookup by
@@ -695,10 +707,11 @@
           this._byId[model.cid] = model;
           if (model.id != null) this._byId[model.id] = model;
         }
+        if (order) order.push(existing || model);
       }
 
       // Remove nonexistent models if appropriate.
-      if (options.remove) {
+      if (remove) {
         for (i = 0, l = this.length; i < l; ++i) {
           if (!modelMap[(model = this.models[i]).cid]) toRemove.push(model);
         }
@@ -706,29 +719,35 @@
       }
 
       // See if sorting is needed, update `length` and splice in new models.
-      if (toAdd.length) {
+      if (toAdd.length || (order && order.length)) {
         if (sortable) sort = true;
         this.length += toAdd.length;
         if (at != null) {
-          splice.apply(this.models, [at, 0].concat(toAdd));
+          for (i = 0, l = toAdd.length; i < l; i++) {
+            this.models.splice(at + i, 0, toAdd[i]);
+          }
         } else {
-          push.apply(this.models, toAdd);
+          if (order) this.models.length = 0;
+          var orderedModels = order || toAdd;
+          for (i = 0, l = orderedModels.length; i < l; i++) {
+            this.models.push(orderedModels[i]);
+          }
         }
       }
 
       // Silently sort the collection if appropriate.
       if (sort) this.sort({silent: true});
 
-      if (options.silent) return this;
-
-      // Trigger `add` events.
-      for (i = 0, l = toAdd.length; i < l; i++) {
-        (model = toAdd[i]).trigger('add', model, this, options);
+      // Unless silenced, it's time to fire all appropriate add/sort events.
+      if (!options.silent) {
+        for (i = 0, l = toAdd.length; i < l; i++) {
+          (model = toAdd[i]).trigger('add', model, this, options);
+        }
+        if (sort || (order && order.length)) this.trigger('sort', this, options);
       }
-
-      // Trigger `sort` if the collection was sorted.
-      if (sort) this.trigger('sort', this, options);
-      return this;
+      
+      // Return the added (or merged) model (or models).
+      return singular ? models[0] : models;
     },
 
     // When you have more items than you want to add or remove individually,
@@ -742,16 +761,14 @@
       }
       options.previousModels = this.models;
       this._reset();
-      this.add(models, _.extend({silent: true}, options));
+      models = this.add(models, _.extend({silent: true}, options));
       if (!options.silent) this.trigger('reset', this, options);
-      return this;
+      return models;
     },
 
     // 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;
+      return this.add(model, _.extend({at: this.length}, options));
     },
 
     // Remove a model from the end of the collection.
@@ -763,9 +780,7 @@
 
     // 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;
+      return this.add(model, _.extend({at: 0}, options));
     },
 
     // Remove a model from the beginning of the collection.
@@ -776,14 +791,14 @@
     },
 
     // Slice out a sub-array of models from the collection.
-    slice: function(begin, end) {
-      return this.models.slice(begin, end);
+    slice: function() {
+      return slice.apply(this.models, arguments);
     },
 
     // Get a model from the set by id.
     get: function(obj) {
       if (obj == null) return void 0;
-      return this._byId[obj.id != null ? obj.id : obj.cid || obj];
+      return this._byId[obj.id] || this._byId[obj.cid] || this._byId[obj];
     },
 
     // Get the model at the given index.
@@ -827,16 +842,6 @@
       return this;
     },
 
-    // Figure out the smallest index at which a model should be inserted so as
-    // to maintain order.
-    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);
-    },
-
     // Pluck an attribute from each model in the collection.
     pluck: function(attr) {
       return _.invoke(this.models, 'get', attr);
@@ -869,7 +874,7 @@
       if (!options.wait) this.add(model, options);
       var collection = this;
       var success = options.success;
-      options.success = function(resp) {
+      options.success = function(model, resp, options) {
         if (options.wait) collection.add(model, options);
         if (success) success(model, resp, options);
       };
@@ -903,14 +908,12 @@
         if (!attrs.collection) attrs.collection = this;
         return attrs;
       }
-      options || (options = {});
+      options = options ? _.clone(options) : {};
       options.collection = this;
       var model = new this.model(attrs, options);
-      if (!model._validate(attrs, options)) {
-        this.trigger('invalid', this, attrs, options);
-        return false;
-      }
-      return model;
+      if (!model.validationError) return model;
+      this.trigger('invalid', this, model.validationError, options);
+      return false;
     },
 
     // Internal method to sever a model's ties to a collection.
@@ -942,8 +945,8 @@
     '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'];
+    'tail', 'drop', 'last', 'without', 'difference', 'indexOf', 'shuffle',
+    'lastIndexOf', 'isEmpty', 'chain'];
 
   // Mix in each Underscore method as a proxy to `Collection#models`.
   _.each(methods, function(method) {
@@ -982,7 +985,8 @@
   // if an existing element is not provided...
   var View = Backbone.View = function(options) {
     this.cid = _.uniqueId('view');
-    this._configure(options || {});
+    options || (options = {});
+    _.extend(this, _.pick(options, viewOptions));
     this._ensureElement();
     this.initialize.apply(this, arguments);
     this.delegateEvents();
@@ -1001,7 +1005,7 @@
     tagName: 'div',
 
     // jQuery delegate for element lookup, scoped to DOM elements within the
-    // current view. This should be prefered to global lookups where possible.
+    // current view. This should be preferred to global lookups where possible.
     $: function(selector) {
       return this.$el.find(selector);
     },
@@ -1041,7 +1045,7 @@
     //
     //     {
     //       'mousedown .title':  'edit',
-    //       'click .button':     'save'
+    //       'click .button':     'save',
     //       'click .open':       function(e) { ... }
     //     }
     //
@@ -1079,16 +1083,6 @@
       return this;
     },
 
-    // Performs the initial configuration of a View with a set of options.
-    // Keys with special meaning *(e.g. model, collection, id, className)* are
-    // attached directly to the view.  See `viewOptions` for an exhaustive
-    // list.
-    _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
@@ -1174,8 +1168,7 @@
     // If we're sending a `PATCH` request, and we're in an old Internet Explorer
     // that still has ActiveX enabled by default, override jQuery to use that
     // for XHR instead. Remove this line when jQuery supports `PATCH` on IE8.
-    if (params.type === 'PATCH' && window.ActiveXObject &&
-          !(window.external && window.external.msActiveXFilteringEnabled)) {
+    if (params.type === 'PATCH' && noXhrPatch) {
       params.xhr = function() {
         return new ActiveXObject("Microsoft.XMLHTTP");
       };
@@ -1187,6 +1180,8 @@
     return xhr;
   };
 
+  var noXhrPatch = typeof window !== 'undefined' && !!window.ActiveXObject && !(window.XMLHttpRequest && (new XMLHttpRequest).dispatchEvent);
+
   // Map from CRUD to HTTP for our default `Backbone.sync` implementation.
   var methodMap = {
     'create': 'POST',
@@ -1275,7 +1270,7 @@
     _routeToRegExp: function(route) {
       route = route.replace(escapeRegExp, '\\$&')
                    .replace(optionalParam, '(?:$1)?')
-                   .replace(namedParam, function(match, optional){
+                   .replace(namedParam, function(match, optional) {
                      return optional ? match : '([^\/]+)';
                    })
                    .replace(splatParam, '(.*?)');
@@ -1325,6 +1320,9 @@
   // Cached regex for removing a trailing slash.
   var trailingSlash = /\/$/;
 
+  // Cached regex for stripping urls of hash and query.
+  var pathStripper = /[?#].*$/;
+
   // Has the history handling already been started?
   History.started = false;
 
@@ -1349,7 +1347,7 @@
         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);
+          if (!fragment.indexOf(root)) fragment = fragment.slice(root.length);
         } else {
           fragment = this.getHash();
         }
@@ -1365,7 +1363,7 @@
 
       // Figure out the initial configuration. Do we need an iframe?
       // Is pushState desired ... is it available?
-      this.options          = _.extend({}, {root: '/'}, this.options, options);
+      this.options          = _.extend({root: '/'}, this.options, options);
       this.root             = this.options.root;
       this._wantsHashChange = this.options.hashChange !== false;
       this._wantsPushState  = !!this.options.pushState;
@@ -1398,19 +1396,25 @@
       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;
+      // Transition from hashChange to pushState or vice versa if both are
+      // requested.
+      if (this._wantsHashChange && this._wantsPushState) {
+
+        // If we've started off with a route from a `pushState`-enabled
+        // browser, but we're currently in a browser that doesn't support it...
+        if (!this._hasPushState && !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._hasPushState && atRoot && loc.hash) {
+          this.fragment = this.getHash().replace(routeStripper, '');
+          this.history.replaceState({}, document.title, this.root + this.fragment + loc.search);
+        }
 
-      // 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();
@@ -1439,21 +1443,20 @@
       }
       if (current === this.fragment) return false;
       if (this.iframe) this.navigate(current);
-      this.loadUrl() || this.loadUrl(this.getHash());
+      this.loadUrl();
     },
 
     // Attempt to load the current URL fragment. If a route succeeds with a
     // match, returns `true`. If no defined routes matches the fragment,
     // returns `false`.
-    loadUrl: function(fragmentOverride) {
-      var fragment = this.fragment = this.getFragment(fragmentOverride);
-      var matched = _.any(this.handlers, function(handler) {
+    loadUrl: function(fragment) {
+      fragment = this.fragment = this.getFragment(fragment);
+      return _.any(this.handlers, function(handler) {
         if (handler.route.test(fragment)) {
           handler.callback(fragment);
           return true;
         }
       });
-      return matched;
     },
 
     // Save a fragment into the hash history, or replace the URL state if the
@@ -1465,11 +1468,20 @@
     // 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 (!options || options === true) options = {trigger: !!options};
+
+      var url = this.root + (fragment = this.getFragment(fragment || ''));
+
+      // GARREN -this line doesn't make any sense and removes query code. New release of Backbone
+      // Should fix this
+      // Strip the fragment of the query and hash for matching.
+      //fragment = fragment.replace(pathStripper, '');
+
       if (this.fragment === fragment) return;
       this.fragment = fragment;
-      var url = this.root + fragment;
+
+      // Don't include a trailing slash on the root.
+      if (fragment === '' && url !== '/') url = url.slice(0, -1);
 
       // If pushState is available, we use it to set the fragment as a real URL.
       if (this._hasPushState) {
@@ -1492,7 +1504,7 @@
       } else {
         return this.location.assign(url);
       }
-      if (options.trigger) this.loadUrl(fragment);
+      if (options.trigger) return this.loadUrl(fragment);
     },
 
     // Update the hash location, either replacing the current entry, or adding
@@ -1560,7 +1572,7 @@
   };
 
   // Wrap an optional error callback with a fallback error event.
-  var wrapError = function (model, options) {
+  var wrapError = function(model, options) {
     var error = options.error;
     options.error = function(resp) {
       if (error) error(model, resp, options);