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45 lines
1.2 KiB
JavaScript
45 lines
1.2 KiB
JavaScript
/**
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* When dealing with computer file sizes, it is common to append a post fix
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* such as B, KB, MB or GB to a string in order to easily denote the order of
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* magnitude of the file size. This plug-in allows sorting to take these
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* indicates of size into account.
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*
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* A counterpart type detection plug-in is also available.
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*
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* @name File size
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* @summary Sort abbreviated file sizes correctly (8MB, 4KB, etc)
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* @author Allan Jardine - datatables.net
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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: 'file-size', targets: 0 }
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* ]
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* } );
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*/
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jQuery.fn.dataTable.ext.type.order['file-size-pre'] = function ( data ) {
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var matches = data.match( /^(\d+(?:\.\d+)?)\s*([a-z]+)/i );
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var multipliers = {
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b: 1,
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bytes: 1,
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kb: 1000,
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kib: 1024,
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mb: 1000000,
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mib: 1048576,
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gb: 1000000000,
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gib: 1073741824,
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tb: 1000000000000,
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tib: 1099511627776,
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pb: 1000000000000000,
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pib: 1125899906842624
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};
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if (matches) {
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var multiplier = multipliers[matches[2].toLowerCase()];
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return parseFloat( matches[1] ) * multiplier;
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} else {
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return -1;
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};
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};
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