/**
 * @summary     DataTables
 * @description Paginate, search and sort HTML tables
 * @version     1.9.4
 * @file        jquery.dataTables.js
 * @author      Allan Jardine (www.sprymedia.co.uk)
 * @contact     www.sprymedia.co.uk/contact
 *
 * @copyright Copyright 2008-2017 Allan Jardine, all rights reserved.
 *
 * This source file is free software, under either the GPL v2 license or a
 * BSD style license, available at:
 *   http://datatables.net/license_gpl2
 *   http://datatables.net/license_bsd
 *
 * This source file is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the license files for details.
 *
 * For details please refer to: http://www.datatables.net
 */
jQuery.fn.dataTableExt.oApi.fnReloadAjax = function ( oSettings, sNewSource, fnCallback, bStandingRedraw )
{
	// DataTables 1.10 compatibility - if 1.10 then `versionCheck` exists.
	// 1.10's API has ajax reloading built in, so we use those abilities
	// directly.
	if ( jQuery.fn.dataTable.versionCheck ) {
		var api = new jQuery.fn.dataTable.Api( oSettings );

		if ( sNewSource ) {
			api.ajax.url( sNewSource ).load( fnCallback, !bStandingRedraw );
		}
		else {
			api.ajax.reload( fnCallback, !bStandingRedraw );
		}
		return;
	}

	if ( sNewSource !== undefined && sNewSource !== null ) {
		oSettings.sAjaxSource = sNewSource;
	}

	// Server-side processing should just call fnDraw
	if ( oSettings.oFeatures.bServerSide ) {
		this.fnDraw();
		return;
	}

	this.oApi._fnProcessingDisplay( oSettings, true );
	var that = this;
	var iStart = oSettings._iDisplayStart;
	var aData = [];

	this.oApi._fnServerParams( oSettings, aData );

	oSettings.fnServerData.call( oSettings.oInstance, oSettings.sAjaxSource, aData, function(json) {
		/* Clear the old information from the table */
		that.oApi._fnClearTable( oSettings );

		/* Got the data - add it to the table */
		var aData =  (oSettings.sAjaxDataProp !== "") ?
			that.oApi._fnGetObjectDataFn( oSettings.sAjaxDataProp )( json ) : json;

		for ( var i=0 ; i<aData.length ; i++ )
		{
			that.oApi._fnAddData( oSettings, aData[i] );
		}

		oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();

		that.fnDraw();

		if ( bStandingRedraw === true )
		{
			oSettings._iDisplayStart = iStart;
			that.oApi._fnCalculateEnd( oSettings );
			that.fnDraw( false );
		}

		that.oApi._fnProcessingDisplay( oSettings, false );

		/* Callback user function - for event handlers etc */
		if ( typeof fnCallback == 'function' && fnCallback !== null )
		{
			fnCallback( oSettings );
		}
	}, oSettings );
};