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Plugins/type-detection/numeric-comma.js

39 lines
930 B
JavaScript

/**
* Automatically detect numbers which use a comma in the place of a decimal
* point to allow them to be sorted numerically.
*
* Please note that the 'Formatted numbers' type detection and sorting plug-ins
* offer greater flexibility that this plug-in and should be used in preference
* to this method.
* @name Commas for decimal place
* @anchor numeric_comma
* @author <a href="http://sprymedia.co.uk">Allan Jardine</a>
*/
jQuery.fn.dataTableExt.aTypes.unshift(
function ( sData )
{
var sValidChars = "0123456789,.";
var Char;
var bDecimal = false;
var iStart=0;
/* Negative sign is valid - shift the number check start point */
if ( sData.charAt(0) === '-' ) {
iStart = 1;
}
/* Check the numeric part */
for ( i=iStart ; i<sData.length ; i++ )
{
Char = sData.charAt(i);
if (sValidChars.indexOf(Char) == -1)
{
return null;
}
}
return 'numeric-comma';
}
);