/src/footer.js

/*
  backgrid
  http://github.com/wyuenho/backgrid

  Copyright (c) 2013 Jimmy Yuen Ho Wong and contributors
  Licensed under the MIT @license.
*/

/**
   A Footer is a generic class that only defines a default tag `tfoot` and
   number of required parameters in the initializer.

   @abstract
   @class Backgrid.Footer
   @extends Backbone.View
 */
var Footer = Backgrid.Footer = Backbone.View.extend({

  /** @property */
  tagName: "tfoot",

  /**
     Initializer.

     @param {Object} options
     @param {*} options.parent The parent view class of this footer.
     @param {Backbone.Collection.<Backgrid.Column>|Array.<Backgrid.Column>|Array.<Object>} options.columns
     Column metadata.
     @param {Backbone.Collection} options.collection

     @throws {TypeError} If options.columns or options.collection is undefined.
  */
  initialize: function (options) {
    Backgrid.requireOptions(options, ["columns", "collection"]);
    this.columns = options.columns;
    if (!(this.columns instanceof Backbone.Collection)) {
      this.columns = new Backgrid.Columns(this.columns);
    }
  }

});