Function _fnAjaxUpdateDraw

blockstrap/js/dependencies/tables.js:2549–2588

* Data the data from the server (nuking the old) and redraw the table * @param {object} oSettings dataTables settings object * @param {object} json json data return from the server. * @param {string} json.sEcho Tracking flag for DataTables to match requests * @param {int} json.iTotalReco

( settings, json )

	 *  @memberof DataTable#oApi
	 */
	function _fnAjaxUpdateDraw ( settings, json )
	{
		// v1.10 uses camelCase variables, while 1.9 uses Hungarian notation.
		// Support both
		var compat = function ( old, modern ) {
			return json[old] !== undefined ? json[old] : json[modern];
		};
	
		var draw            = compat( 'sEcho',                'draw' );
		var recordsTotal    = compat( 'iTotalRecords',        'recordsTotal' );
		var rocordsFiltered = compat( 'iTotalDisplayRecords', 'recordsFiltered' );
	
		if ( draw ) {
			// Protect against out of sequence returns
			if ( draw*1 < settings.iDraw ) {
				return;
			}
			settings.iDraw = draw * 1;
		}
	
		_fnClearTable( settings );
		settings._iRecordsTotal   = parseInt(recordsTotal, 10);
		settings._iRecordsDisplay = parseInt(rocordsFiltered, 10);
	
		var data = _fnAjaxDataSrc( settings, json );
		for ( var i=0, ien=data.length ; i<ien ; i++ ) {
			_fnAddData( settings, data[i] );
		}
		settings.aiDisplay = settings.aiDisplayMaster.slice();
	
		settings.bAjaxDataGet = false;
		_fnDraw( settings );
	
		if ( ! settings._bInitComplete ) {
			_fnInitComplete( settings, json );
		}
	
		settings.bAjaxDataGet = true;
		_fnProcessingDisplay( settings, false );
	}
	
	
	/**