DataTables

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"alt-string-pre": function ( a ) {
		return a.match(/alt="(.*?)"/)[1].toLowerCase();
	},
	
	"alt-string-asc": function( a, b ) {
		return ((a < b) ? -1 : ((a > b) ? 1 : 0));
	},

	"alt-string-desc": function(a,b) {
		return ((a < b) ? 1 : ((a > b) ? -1 : 0));
	}
} );

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"anti-the-pre": function ( a ) {
		return a.replace(/^the /i, "");
	},

	"anti-the-asc": function ( a, b ) {
		return ((a < b) ? -1 : ((a > b) ? 1 : 0));
	},

	"anti-the-desc": function ( a, b ) {
		return ((a < b) ? 1 : ((a > b) ? -1 : 0));
	}
} );

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"chinese-string-asc" : function (s1, s2) {
		return s1.localeCompare(s2);
	},
	"chinese-string-desc" : function (s1, s2) {
		return s2.localeCompare(s1);
	}
} );

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"currency-pre": function ( a ) {
		a = (a==="-") ? 0 : a.replace( /[^\d\-\.]/g, "" );
		return parseFloat( a );
	},

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

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

var customDateDDMMMYYYYToOrd = function (date) {
	"use strict"; //let's avoid tom-foolery in this function
	// Convert to a number YYYYMMDD which we can use to order
	var dateParts = date.split(/-/);
	return (dateParts[2] * 10000) + ($.inArray(dateParts[1].toUpperCase(), ["JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC"]) * 100) + dateParts[0];
};

// This will help DataTables magic detect the "dd-MMM-yyyy" format; Unshift so that it's the first data type (so it takes priority over existing)
jQuery.fn.dataTableExt.aTypes.unshift(
	function (sData) {
		"use strict"; //let's avoid tom-foolery in this function
		if (/^([0-2]?\d|3[0-1])-(jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec)-\d{4}/i.test(sData)) {
			return 'date-dd-mmm-yyyy';
		}
		return null;
	}
);

// define the sorts
jQuery.fn.dataTableExt.oSort['date-dd-mmm-yyyy-asc'] = function (a, b) {
	"use strict"; //let's avoid tom-foolery in this function
	var ordA = customDateDDMMMYYYYToOrd(a),
		ordB = customDateDDMMMYYYYToOrd(b);
	return (ordA < ordB) ? -1 : ((ordA > ordB) ? 1 : 0);
};

jQuery.fn.dataTableExt.oSort['date-dd-mmm-yyyy-desc'] = function (a, b) {
	"use strict"; //let's avoid tom-foolery in this function
	var ordA = customDateDDMMMYYYYToOrd(a),
		ordB = customDateDDMMMYYYYToOrd(b);
	return (ordA < ordB) ? 1 : ((ordA > ordB) ? -1 : 0);
};

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"date-eu-pre": function ( date ) {
		var date = date.replace(" ", "");
		 
		if (date.indexOf('.') > 0) {
			/*date a, format dd.mn.(yyyy) ; (year is optional)*/
			var eu_date = date.split('.');
		} else {
			/*date a, format dd/mn/(yyyy) ; (year is optional)*/
			var eu_date = date.split('/');
		}
		 
		/*year (optional)*/
		if (eu_date[2]) {
			var year = eu_date[2];
		} else {
			var year = 0;
		}
		 
		/*month*/
		var month = eu_date[1];
		if (month.length == 1) {
			month = 0+month;
		}
		 
		/*day*/
		var day = eu_date[0];
		if (day.length == 1) {
			day = 0+day;
		}
		 
		return (year + month + day) * 1;
	},

	"date-eu-asc": function ( a, b ) {
		return ((a < b) ? -1 : ((a > b) ? 1 : 0));
	},

	"date-eu-desc": function ( a, b ) {
		return ((a < b) ? 1 : ((a > b) ? -1 : 0));
	}
} );

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
    "date-euro-pre": function ( a ) {
        if ($.trim(a) != '') {
            var frDatea = $.trim(a).split(' ');
            var frTimea = frDatea[1].split(':');
            var frDatea2 = frDatea[0].split('/');
            var x = (frDatea2[2] + frDatea2[1] + frDatea2[0] + frTimea[0] + frTimea[1] + frTimea[2]) * 1;
        } else {
            var x = 10000000000000; // = l'an 1000 ...
        }
        
        return x;
    },

    "date-euro-asc": function ( a, b ) {
        return a - b;
    },

    "date-euro-desc": function ( a, b ) {
        return b - a;
    }
} );

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];

       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;
   }
);

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"date-uk-pre": function ( a ) {
		var ukDatea = a.split('/');
		return (ukDatea[2] + ukDatea[1] + ukDatea[0]) * 1;
	},

	"date-uk-asc": function ( a, b ) {
		return ((a < b) ? -1 : ((a > b) ? 1 : 0));
	},

	"date-uk-desc": function ( a, b ) {
		return ((a < b) ? 1 : ((a > b) ? -1 : 0));
	}
} );

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"enum-pre": function ( a ) {
		// Add / alter the switch statement below to match your enum list
		switch( a ) {
			case "High":   return 1;
			case "Medium": return 2;
			case "Low":    return 3;
			default:       return 4;
		}
	},

	"enum-asc": function ( a, b ) {
		return ((a < b) ? -1 : ((a > b) ? 1 : 0));
	},

	"enum-desc": function ( a, b ) {
		return ((a < b) ? 1 : ((a > b) ? -1 : 0));
	}
} );

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
    "file-size-pre": function ( a ) {
        var x = a.substring(0,a.length - 2);
            
        var x_unit = (a.substring(a.length - 2, a.length) == "MB" ? 
            1000 : (a.substring(a.length - 2, a.length) == "GB" ? 1000000 : 1));
         
        return parseInt( x * x_unit, 10 );
    },

    "file-size-asc": function ( a, b ) {
        return ((a < b) ? -1 : ((a > b) ? 1 : 0));
    },

    "file-size-desc": function ( a, b ) {
        return ((a < b) ? 1 : ((a > b) ? -1 : 0));
    }
} );

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"formatted-num-pre": function ( a ) {
		a = (a === "-" || a === "") ? 0 : a.replace( /[^\d\-\.]/g, "" );
		return parseFloat( a );
	},

	"formatted-num-asc": function ( a, b ) {
		return a - b;
	},

	"formatted-num-desc": function ( a, b ) {
		return b - a;
	}
} );

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"ip-address-pre": function ( a ) {
		var m = a.split("."), x = "";

		for(var i = 0; i < m.length; i++) {
			var item = m[i];
			if(item.length == 1) {
				x += "00" + item;
			} else if(item.length == 2) {
				x += "0" + item;
			} else {
				x += item;
			}
		}

		return x;
	},

	"ip-address-asc": function ( a, b ) {
		return ((a < b) ? -1 : ((a > b) ? 1 : 0));
	},

	"ip-address-desc": function ( a, b ) {
		return ((a < b) ? 1 : ((a > b) ? -1 : 0));
	}
} );

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"monthYear-pre": function ( s ) {
		var a = s.split(' ');
		// Date uses the American "MM DD YY" format
		return new Date(a[0]+' 01 '+a[1]);
	},

	"monthYear-asc": function ( a, b ) {
		return ((a < b) ? -1 : ((a > b) ? 1 : 0));
	},

	"monthYear-desc": function ( a, b ) {
		return ((a < b) ? 1 : ((a > b) ?  -1 : 0));
	}
} );

(function() {

/*
 * Natural Sort algorithm for Javascript - Version 0.7 - Released under MIT license
 * Author: Jim Palmer (based on chunking idea from Dave Koelle)
 * Contributors: Mike Grier (mgrier.com), Clint Priest, Kyle Adams, guillermo
 * See: http://js-naturalsort.googlecode.com/svn/trunk/naturalSort.js
 */
function naturalSort (a, b) {
	var re = /(^-?[0-9]+(\.?[0-9]*)[df]?e?[0-9]?$|^0x[0-9a-f]+$|[0-9]+)/gi,
		sre = /(^[ ]*|[ ]*$)/g,
		dre = /(^([\w ]+,?[\w ]+)?[\w ]+,?[\w ]+\d+:\d+(:\d+)?[\w ]?|^\d{1,4}[\/\-]\d{1,4}[\/\-]\d{1,4}|^\w+, \w+ \d+, \d{4})/,
		hre = /^0x[0-9a-f]+$/i,
		ore = /^0/,
		// convert all to strings and trim()
		x = a.toString().replace(sre, '') || '',
		y = b.toString().replace(sre, '') || '',
		// chunk/tokenize
		xN = x.replace(re, '\0$1\0').replace(/\0$/,'').replace(/^\0/,'').split('\0'),
		yN = y.replace(re, '\0$1\0').replace(/\0$/,'').replace(/^\0/,'').split('\0'),
		// numeric, hex or date detection
		xD = parseInt(x.match(hre)) || (xN.length != 1 && x.match(dre) && Date.parse(x)),
		yD = parseInt(y.match(hre)) || xD && y.match(dre) && Date.parse(y) || null;
	// first try and sort Hex codes or Dates
	if (yD)
		if ( xD < yD ) return -1;
		else if ( xD > yD )	return 1;
	// natural sorting through split numeric strings and default strings
	for(var cLoc=0, numS=Math.max(xN.length, yN.length); cLoc < numS; cLoc++) {
		// find floats not starting with '0', string or 0 if not defined (Clint Priest)
		var oFxNcL = !(xN[cLoc] || '').match(ore) && parseFloat(xN[cLoc]) || xN[cLoc] || 0;
		var oFyNcL = !(yN[cLoc] || '').match(ore) && parseFloat(yN[cLoc]) || yN[cLoc] || 0;
		// handle numeric vs string comparison - number < string - (Kyle Adams)
		if (isNaN(oFxNcL) !== isNaN(oFyNcL)) return (isNaN(oFxNcL)) ? 1 : -1; 
		// rely on string comparison if different types - i.e. '02' < 2 != '02' < '2'
		else if (typeof oFxNcL !== typeof oFyNcL) {
			oFxNcL += ''; 
			oFyNcL += ''; 
		}
		if (oFxNcL < oFyNcL) return -1;
		if (oFxNcL > oFyNcL) return 1;
	}
	return 0;
}

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"natural-asc": function ( a, b ) {
		return naturalSort(a,b);
	},

	"natural-desc": function ( a, b ) {
		return naturalSort(a,b) * -1;
	}
} );

}());

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"numeric-comma-pre": function ( a ) {
		var x = (a == "-") ? 0 : a.replace( /,/, "." );
		return parseFloat( x );
	},

	"numeric-comma-asc": function ( a, b ) {
		return ((a < b) ? -1 : ((a > b) ? 1 : 0));
	},

	"numeric-comma-desc": function ( a, b ) {
		return ((a < b) ? 1 : ((a > b) ? -1 : 0));
	}
} );

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"num-html-pre": function ( a ) {
		var x = String(a).replace( /<[\s\S]*?>/g, "" );
		return parseFloat( x );
	},

	"num-html-asc": function ( a, b ) {
		return ((a < b) ? -1 : ((a > b) ? 1 : 0));
	},

	"num-html-desc": function ( a, b ) {
		return ((a < b) ? 1 : ((a > b) ? -1 : 0));
	}
} );

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"percent-pre": function ( a ) {
		var x = (a == "-") ? 0 : a.replace( /%/, "" );
		return parseFloat( x );
	},

	"percent-asc": function ( a, b ) {
		return ((a < b) ? -1 : ((a > b) ? 1 : 0));
	},

	"percent-desc": function ( a, b ) {
		return ((a < b) ? 1 : ((a > b) ? -1 : 0));
	}
} );

(function(){

var persianSort = [ 'آ', 'ا', 'ب', 'پ', 'ت', 'ث', 'ج', 'چ', 'ح', 'خ', 'د', 'ذ', 'ر', 'ز', 'ژ', 
					'س', 'ش', 'ص', 'ط', 'ظ', 'ع', 'غ', 'ف', 'ق', 'ک', 'گ', 'ل', 'م', 'ن', 'و', 'ه', 'ی', 'ي' ];

function GetUniCode(source) {
	source = $.trim(source);
	result = '';
	for (i = 0; i < source.length; i++) {
		//Check and fix IE indexOf bug
		if (!Array.indexOf) {
			var index = jQuery.inArray(source.charAt(i), persianSort);
		}else{
			var index = persianSort.indexOf(source.charAt(i));
		}
		if (index < 0) {
			index = source.charCodeAt(i);
		}
		if (index < 10)
			index = '0' + index;
		result += '00' + index;
	}
	return 'a' + result;
};

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"pstring-pre": function ( a ) {
		return GetUniCode(a.toLowerCase());
	},

	"pstring-asc": function ( a, b ) {
		return ((a < b) ? -1 : ((a > b) ? 1 : 0));
	},

	"pstring-desc": function ( a, b ) {
		return ((a < b) ? 1 : ((a > b) ? -1 : 0));
	}
} );

}());

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"scientific-pre": function ( a ) {
		return parseFloat(a);
	},

	"scientific-asc": function ( a, b ) {
		return ((a < b) ? -1 : ((a > b) ? 1 : 0));
	},

	"scientific-desc": function ( a, b ) {
		return ((a < b) ? 1 : ((a > b) ? -1 : 0));
	}
} );

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"signed-num-pre": function ( a ) {
		return (a=="-" || a==="") ? 0 : a.replace('+','')*1;
	},

	"signed-num-asc": function ( a, b ) {
		return ((a < b) ? -1 : ((a > b) ? 1 : 0));
	},

	"signed-num-desc": function ( a, b ) {
		return ((a < b) ? 1 : ((a > b) ? -1 : 0));
	}
} );

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"title-numeric-pre": function ( a ) {
		var x = a.match(/title="*(-?[0-9\.]+)/)[1];
		return parseFloat( x );
	},

	"title-numeric-asc": function ( a, b ) {
		return ((a < b) ? -1 : ((a > b) ? 1 : 0));
	},

	"title-numeric-desc": function ( a, b ) {
		return ((a < b) ? 1 : ((a > b) ? -1 : 0));
	}
} );

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"title-string-pre": function ( a ) {
		return a.match(/title="(.*?)"/)[1].toLowerCase();
	},

	"title-string-asc": function ( a, b ) {
		return ((a < b) ? -1 : ((a > b) ? 1 : 0));
	},

	"title-string-desc": function ( a, b ) {
		return ((a < b) ? 1 : ((a > b) ? -1 : 0));
	}
} );

$.fn.dataTableExt.afnSortData['dom-checkbox'] = function ( oSettings, iColumn )
{
	var aData = [];
	$( 'td:eq('+iColumn+') input', oSettings.oApi._fnGetTrNodes(oSettings) ).each( function () {
		aData.push( this.checked==true ? "1" : "0" );
	} );
	return aData;
};

$.fn.dataTableExt.afnSortData['dom-select'] = function ( oSettings, iColumn )
{
	var aData = [];
	$( 'td:eq('+iColumn+') select', oSettings.oApi._fnGetTrNodes(oSettings) ).each( function () {
	    aData.push( $(this).val() );
	} );
	return aData;
};

$.fn.dataTableExt.afnSortData['dom-text'] = function ( oSettings, iColumn )
{
	var aData = [];
	$( 'td:eq('+iColumn+') input', oSettings.oApi._fnGetTrNodes(oSettings) ).each( function () {
	    aData.push( this.value );
	} );
	return aData;
};