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Improve persian string ordering #161

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91 changes: 47 additions & 44 deletions sorting/persian.js
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Original file line number Diff line number Diff line change
@@ -1,11 +1,12 @@
/**
* Sorting in Javascript can be difficult to get right with non-Roman
* characters - for which special consideration must be made. This plug-in
* Sorting in Javascript can be difficult to get right with non-Roman
* characters - for which special consideration must be made. This plug-in
* performs correct sorting on Persian characters.
*
* @name Persian
* @summary Sort Persian strings alphabetically
* @author [Afshin Mehrabani](http://www.afshinblog.com/)
* @author [Mohammad Javad Naderi](https://github.com/mjnaderi)
*
* @example
* $('#example').dataTable( {
Expand All @@ -15,45 +16,47 @@
* } );
*/

(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);
var result = '';
var i, index;
for (i = 0; i < source.length; i++) {
//Check and fix IE indexOf bug
if (!Array.indexOf) {
index = jQuery.inArray(source.charAt(i), persianSort);
}else{
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));
}
} );

}());
(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);
var result = '';
var i, index;
for (i = 0; i < source.length; i++) {
//Check and fix IE indexOf bug
if (!Array.indexOf)
index = jQuery.inArray(source.charAt(i), persianSort);
else
index = persianSort.indexOf(source.charAt(i));

if (index < 0)
index = source.charCodeAt(i) + 40;

if (index < 10)
index = '00' + index;
else if (index < 100)
index = '0' + index;

result += index;
}
return 'a' + result;
}

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

"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));
}
});

}());