/**
 * Sorting in Javascript for Turkish Characters. This plug-in will replace the special
 * turkish letters (non english characters) and replace in English.
 *
 *  
 *  @name Turkish
 *  @summary Sort Turkish characters
 *  @author [Yuksel Beyti](http://yukselbeyti.com)
 *
 *  @example
 *    // Use plug-in for all columns
 *    $('#example').dataTable({
 *       columnDefs: [
 *           { type: 'turkish', targets: '_all' }
 *       ]
 *   });
 */

jQuery.extend( jQuery.fn.dataTableExt.oSort, {
	"turkish-pre": function ( a ) {
		var special_letters = {
            "C": "Ca", "c": "ca", "Ç": "Cb", "ç": "cb",
            "G": "Ga", "g": "ga", "Ğ": "Gb", "ğ": "gb",
            "I": "Ia", "ı": "ia", "İ": "Ib", "i": "ib",
            "O": "Oa", "o": "oa", "Ö": "Ob", "ö": "ob",
            "S": "Sa", "s": "sa", "Ş": "Sb", "ş": "sb",
            "U": "Ua", "u": "ua", "Ü": "Ub", "ü": "ub"
            };
        for (var val in special_letters)
           a = a.split(val).join(special_letters[val]).toLowerCase();
        return a;
	},

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

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