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Plugins/sorting/brackets-negative.js

47 lines
1.6 KiB
JavaScript

/**
* This plug-in will add automatic negative currency detection for currency columns to
* DataTables. Note that only $, c, £ and symbols are detected with this code,
* This plugin has also been updated to automatically detect negative values either those
* using '-' as well as numbers using '()' to specify negatives.
* This plugin also includes automatic type detection
*
* @name brackets-negative
* @summary Detect data of currency type with a leading currency symbol as well at detect two types of negative number formatting
* @author [Tom Buckle](http://sprymedia.co.uk)
*/
(function(){
// Change this list to the valid characters you want to be detected
var validChars = "$£€c" + "0123456789" + ".-,()'";
// Init the regex just once for speed - it is "closure locked"
var
str = jQuery.fn.dataTableExt.oApi._fnEscapeRegex( validChars ),re = new RegExp('[^'+str+']');
$.fn.dataTableExt.aTypes.unshift(
function ( data )
{
if ( typeof data !== 'string' || re.test(data) ) {
return null;
}
return 'currency';
}
);
$.fn.dataTable.ext.type.order['currency-pre'] = function ( data ) {
if ( data === '' ) {
return 0;
}
//Check if its in the proper format
if(data.match(/[\()]/g)){
if( data.match(/[\-]/g) !== true){
//It matched - strip out parentheses & any characters we dont want and append - at front
data = '-' + data.replace(/[\$£€c\(\),]/g,'');
}else{
//Already has a '-' so just strip out non-numeric charactors exluding '-'
data = data.replace(/[^\d\-\.]/g,'');
}
}else{
data = data.replace(/[\$£€\,]/g,'');
}
return parseFloat( data );
};
}());