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/**
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* Sorting in Javascript can be difficult to get right with non-Roman
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* characters - for which special consideration must be made. This plug-in
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* performs correct sorting on Persian characters.
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*
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* @name Persian
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* @summary Sort Persian strings alphabetically
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* @author [Afshin Mehrabani](http://www.afshinm.name/)
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*
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* @example
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* $('#example').dataTable( {
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* columnDefs: [
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* { type: 'pstring', targets: 0 }
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* ]
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* } );
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*/
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(function(){
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var persianSort = [ 'آ', 'ا', 'ب', 'پ', 'ت', 'ث', 'ج', 'چ', 'ح', 'خ', 'د', 'ذ', 'ر', 'ز', 'ژ',
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'س', 'ش', 'ص', 'ط', 'ظ', 'ع', 'غ', 'ف', 'ق', 'ک', 'گ', 'ل', 'م', 'ن', 'و', 'ه', 'ی', 'ي' ];
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function GetUniCode(source) {
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source = source.trim();
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var result = '';
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var i, index;
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for (i = 0; i < source.length; i++) {
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//Check and fix IE indexOf bug
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if (!Array.indexOf) {
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index = jQuery.inArray(source.charAt(i), persianSort);
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}else{
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index = persianSort.indexOf(source.charAt(i));
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}
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if (index < 0) {
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index = source.charCodeAt(i);
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}
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if (index < 10) {
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index = '0' + index;
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}
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result += '00' + index;
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}
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return 'a' + result;
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}
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jQuery.extend( jQuery.fn.dataTableExt.oSort, {
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"pstring-pre": function ( a ) {
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return GetUniCode(a.toLowerCase());
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},
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"pstring-asc": function ( a, b ) {
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return ((a < b) ? -1 : ((a > b) ? 1 : 0));
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},
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"pstring-desc": function ( a, b ) {
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return ((a < b) ? 1 : ((a > b) ? -1 : 0));
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}
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} );
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}());
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