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/*
 * Adds a new sorting option to dataTables called `datetime-us`.
 * 
 * Also included is a type detection plug-in. Matches and sorts date / time
 * strings in the format: `(m)m/(d)d/(yy)yy (h)h/m(m) (am|pm)`. For example:
 *
 * * 1/1/13 1:4 pm
 * * 01/01/2013 01:04 PM
 * * 1/1/2013 1:04 Pm
 *
 * Please note that this plug-in is **deprecated*. The
 * [datetime](//datatables.net/blog/2014-12-18) plug-in provides enhanced
 * functionality and flexibility.
 *
 *  @name Date / time - US
 *  @summary Sort date / time in the format `m/d/yy h:m am|pm`
 *  @author [Kevin Gravier](http://mrkmg.com/)
 *  @deprecated
 *
 *  @example
 *    $('#example').dataTable( {
 *       columnDefs: [
 *         { type: 'datetime-us', targets: 0 }
 *       ]
 *    } );
*/
jQuery.extend(jQuery.fn.dataTableExt.oSort, {
    "datetime-us-pre": function (a) {
        var b = a.match(/(\d{1,2})\/(\d{1,2})\/(\d{2,4}) (\d{1,2}):(\d{1,2}) (am|pm|AM|PM|Am|Pm)/),
            month = b[1],
            day = b[2],
            year = b[3],
            hour = b[4],
            min = b[5],
            ap = b[6].toLowerCase();

        if (hour == '12') {
            hour = '0';
            if (ap == 'pm') {
                hour = parseInt(hour, 10) + 12;
            }

            if (year.length == 2) {
                if (parseInt(year, 10) < 70) {
                    year = '20' + year;
                }
                else {
                    year = '19' + year;
                }
            }
            if (month.length == 1) {
                month = '0' + month;
            }
            if (day.length == 1) {
                day = '0' + day;
            }
            if (hour.length == 1) {
                hour = '0' + hour;
            }
            if (min.length == 1) {
                min = '0' + min;
            }

            var tt = year + month + day + hour + min;
            return tt;
        }
    },

    "datetime-us-asc": function (a, b) {
        return a - b;
    },

    "datetime-us-desc": function (a, b) {
        return b - a;
    }
});

jQuery.fn.dataTableExt.aTypes.unshift(
    function (sData) {
        if (sData !== null && sData.match(/\d{1,2}\/\d{1,2}\/\d{2,4} \d{1,2}:\d{1,2} (am|pm|AM|PM|Am|Pm)/)) {

            return 'datetime-us';
        }
        return null;
    }
);