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Plugins/sorting/title-numeric.js

82 lines
2.3 KiB
JavaScript

/*! © 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
var jq = require('jquery');
var cjsRequires = function (root, $) {
if ( ! $.fn.dataTable ) {
require('datatables.net')(root, $);
}
};
if (typeof window !== 'undefined') {
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 ( ! $ ) {
$ = jq( root );
}
cjsRequires( root, $ );
return factory( $, root, root.document );
};
}
else {
cjsRequires( window, jq );
module.exports = factory( jq, window, window.document );
}
}
else {
// Browser
factory( jQuery, window, document );
}
}(function( $, window, document, undefined ) {
'use strict';
var DataTable = $.fn.dataTable;
/**
* An alternative to the formatted number sorting function above (particularly
* useful when considering localisation which uses dots / periods for 10^3
* separation rather than decimal places). Another method of overcoming it
* difficulties of sorting formatted numbers is to have the data to be sorted
* upon separate from the visual data. This sorting function pair will use the
* 'title' attribute of en empty span element (or anything else) to sort
* numerically (for example `<span title="1000000"><span>1'000'000`).
*
* Note that the HTML5 `data-sort` attribute can be [used to supply sorting data
* to DataTables](//datatables.net/manual/orthogonal-data) and is preferable to
* using this method, which is therefore marked as deprecated.
*
* @name Hidden title numeric sorting
* @summary Sort data numerically based on an attribute on an empty element.
* @deprecated
* @author [Allan Jardine](http://sprymedia.co.uk)
*
* @example
* $('#example').dataTable( {
* columnDefs: [
* { type: 'title-numeric', targets: 0 }
* ]
* } );
*/
DataTable.ext.order['title-numeric-pre'] = function (a) {
var x = a.match(/title="*(-?[0-9\.]+)/)[1];
return parseFloat(x);
};
return DataTable;
}));