/*! © SpryMedia Ltd - datatables.net/license */ (function( factory ){ if ( typeof define === 'function' && define.amd ) { // AMD define( ['jquery', 'datatables.net'], function ( $ ) { return factory( $, window, document ); } ); } else if ( typeof exports === 'object' ) { // CommonJS module.exports = function (root, $) { if ( ! root ) { // CommonJS environments without a window global must pass a // root. This will give an error otherwise root = window; } if ( ! $ ) { $ = typeof window !== 'undefined' ? // jQuery's factory checks for a global window require('jquery') : require('jquery')( root ); } if ( ! $.fn.dataTable ) { require('datatables.net')(root, $); } return factory( $, root, root.document ); }; } else { // Browser factory( jQuery, window, document ); } }(function( $, window, document, undefined ) { 'use strict'; var DataTable = $.fn.dataTable; /** * Fairly simply, this plug-in will take the data from an API result set * and sum it, returning the summed value. The data can come from any data * source, including column data, cells or rows. * * Note that it will attempt to 'deformat' any string based data that is passed * into it - i.e. it will strip any non-numeric characters in order to make a * best effort attempt to sum all data types. This can be useful when working * with formatting numbers such as currency. However the trade-off is that no * error is thrown if non-numeric data is passed in. You should be aware of this * in case unexpected values are returned - likely the input data is not what is * expected. * * @name sum() * @summary Sum the values in a data set. * @author [Allan Jardine](http://datatables.net) * @requires DataTables 1.10+ * * @returns {Number} Summed value * * @example * // Simply get the sum of a column * var table = $('#example').DataTable(); * table.column( 3 ).data().sum(); * * @example * // Insert the sum of a column into the columns footer, for the visible * // data on each draw * $('#example').DataTable( { * drawCallback: function () { * var api = this.api(); * $( api.table().footer() ).html( * api.column( 4, {page:'current'} ).data().sum() * ); * } * } ); */ DataTable.Api.register('sum()', function () { return this.flatten().reduce(function (a, b) { if (typeof a === 'string') { a = a.replace(/[^\d.-]/g, '') * 1; } if (typeof b === 'string') { b = b.replace(/[^\d.-]/g, '') * 1; } return a + b; }, 0); }); return DataTable; }));