69 lines
2.5 KiB
JavaScript
69 lines
2.5 KiB
JavaScript
/**
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* The following plug-in uses a modified version of the [naturalSort() function by Jim
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* Palmer](http://www.overset.com/2008/09/01/javascript-natural-sort-algorithm-with-unicode-support) to provide natural sorting in DataTables.
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*
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* @name portsort.js
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* @summary Sort network device port names with a mix of numbers and letters with modified natural sort.
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* @author [Jim Palmer](http://www.overset.com/2008/09/01/javascript-natural-sort-algorithm-with-unicode-support)
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*
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* @example
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* $('#example').dataTable( {
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* columnDefs: [
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* { type: 'portsort', targets: 0 }
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* ]
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* } );
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*/
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(function() {
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/*
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* Based upon the Natural Sort algorithm for Javascript
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* Version 0.7 - Released under MIT license
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* Author: Jim Palmer (based on chunking idea from Dave Koelle)
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* Contributors: Mike Grier (mgrier.com), Clint Priest, Kyle Adams, guillermo
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* See: http://js-naturalsort.googlecode.com/svn/trunk/naturalSort.js
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*/
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function portSort (a, b) {
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var re = /(^(-?\.?[0-9]*)[df]?e?[0-9]?$|^0x[0-9a-f]+$|[0-9]+)/gi,
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// string regex
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sre = /(^[ ]*|[ ]*$)/g,
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// octal regex
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ore = /^0/,
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// convert all to strings and trim()
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x = a.toString().replace(sre, '') || '',
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y = b.toString().replace(sre, '') || '';
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// hack for foundry "10GigabitEthernet" -> cisco-like "TenGigabitEthernet"
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x = x.replace(/^10GigabitEthernet/, 'GigabitEthernet');
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y = y.replace(/^10GigabitEthernet/, 'GigabitEthernet');
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// chunk/tokenize
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var xN = x.replace(re, '\0$1\0').replace(/\0$/,'').replace(/^\0/,'').split('\0'),
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yN = y.replace(re, '\0$1\0').replace(/\0$/,'').replace(/^\0/,'').split('\0');
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for(var cLoc=0, numS=Math.max(xN.length, yN.length); cLoc < numS; cLoc++) {
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// find floats not starting with '0', string or 0 if not defined (Clint Priest)
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var oFxNcL = !(xN[cLoc] || '').match(ore) && parseFloat(xN[cLoc]) || xN[cLoc] || 0;
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var oFyNcL = !(yN[cLoc] || '').match(ore) && parseFloat(yN[cLoc]) || yN[cLoc] || 0;
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// handle numeric vs string comparison - number < string - (Kyle Adams)
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if (isNaN(oFxNcL) !== isNaN(oFyNcL)) return (isNaN(oFxNcL)) ? 1 : -1;
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// rely on string comparison if different types - i.e. '02' < 2 != '02' < '2'
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else if (typeof oFxNcL !== typeof oFyNcL) {
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oFxNcL += '';
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oFyNcL += '';
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}
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if (oFxNcL < oFyNcL) return -1;
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if (oFxNcL > oFyNcL) return 1;
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}
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return 0;
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}
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jQuery.extend( jQuery.fn.dataTableExt.oSort, {
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"portsort-asc": function ( a, b ) {
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return portSort(a,b);
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},
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"portsort-desc": function ( a, b ) {
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return portSort(a,b) * -1;
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}
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} );
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}());
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