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/**
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* This function will restore the order in which data was read into a DataTable
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* (for example from an HTML source). Although you can set aaSorting to be an
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* empty array (`[ ]`) in order to prevent sorting during initialisation, it can
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* sometimes be useful to restore the original order after sorting has already
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* occurred - which is exactly what this function does.
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*
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* @name fnSortNeutral
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* @summary Change ordering of the table to its data load order
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* @author [Allan Jardine](http://sprymedia.co.uk)
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*
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* @example
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* $(document).ready(function() {
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* var table = $('#example').dataTable();
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*
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* // Sort in the order that was originally in the HTML
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* table.fnSortNeutral();
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* } );
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*/
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jQuery.fn.dataTableExt.oApi.fnSortNeutral = function ( oSettings )
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{
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/* Remove any current sorting */
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oSettings.aaSorting = [];
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/* Sort display arrays so we get them in numerical order */
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oSettings.aiDisplay.sort( function (x,y) {
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return x-y;
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} );
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oSettings.aiDisplayMaster.sort( function (x,y) {
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return x-y;
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} );
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/* Redraw */
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oSettings.oApi._fnReDraw( oSettings );
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};
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