backbone.projections/sorted.js

Various projections for Backbone.Collection

// Generated by CoffeeScript 1.6.2
var Collection, extend,
  __hasProp = {}.hasOwnProperty,
  __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };

Collection = ((typeof window !== "undefined" && window !== null ? window.Backbone : void 0) || require('backbone')).Collection;

extend = ((typeof window !== "undefined" && window !== null ? window._ : void 0) || require('underscore')).extend;

exports.Sorted = (function(_super) {
  __extends(Sorted, _super);

  function Sorted(underlying, options) {
    var _this = this;

    if (options == null) {
      options = {};
    }
    if (!options.comparator) {
      throw new Error("provide a comparator");
    }
    this.underlying = underlying;
    this.model = underlying.model;
    this.comparator = options.comparator;
    this.options = extend({}, underlying.options, options);
    Sorted.__super__.constructor.call(this, this.underlying.models, options);
    this.listenTo(this.underlying, {
      reset: function() {
        return _this.reset(_this.underlying.models);
      },
      remove: function(model) {
        return _this.remove(model);
      },
      add: function(model) {
        return _this.add(model);
      }
    });
  }

  return Sorted;

})(Collection);

exports.Reversed = (function(_super) {
  __extends(Reversed, _super);

  function Reversed(underlying, options) {
    if (options == null) {
      options = {};
    }
    options.comparator = function(model) {
      return -underlying.indexOf(model);
    };
    Reversed.__super__.constructor.call(this, underlying, options);
    this.listenTo(this.underlying, {
      sort: this.sort
    });
  }

  return Reversed;

})(exports.Sorted);

exports.SortedCollection = exports.Sorted;

exports.ReversedCollection = exports.Reversed;