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Plugins/sorting/chapter.js

87 lines
2.2 KiB
JavaScript

/*! © SpryMedia Ltd - datatables.net/license */
(function( factory ){
if ( typeof define === 'function' && define.amd ) {
// AMD
define( ['jquery', 'datatables.net'], function ( $ ) {
return factory( $, window, document );
} );
}
else if ( typeof exports === 'object' ) {
// CommonJS
var jq = require('jquery');
var cjsRequires = function (root, $) {
if ( ! $.fn.dataTable ) {
require('datatables.net')(root, $);
}
};
if (typeof window !== 'undefined') {
module.exports = function (root, $) {
if ( ! root ) {
// CommonJS environments without a window global must pass a
// root. This will give an error otherwise
root = window;
}
if ( ! $ ) {
$ = jq( root );
}
cjsRequires( root, $ );
return factory( $, root, root.document );
};
}
else {
cjsRequires( window, jq );
module.exports = factory( jq, window, window.document );
}
}
else {
// Browser
factory( jQuery, window, document );
}
}(function( $, window, document, undefined ) {
'use strict';
var DataTable = $.fn.dataTable;
/**
* Sorts a column containing chapter numbers. This can be most useful when
* using DataTables for a book or book reference style application. By
* default, five sections are supported (a.b.c.d.e) with each being upto
* four-digits long. Those defaults are controlled by constMaxSections and
* constMaxSectionDigits respectively, and can be easily changed
*
* @name chapter
* @summary Sort book chapters numerically
* @author Colin Marks
*
* @example
* $('#example').dataTable( {
* columnDefs: [
* { type: 'chapter', targets: 0 }
* ]
* } );
*/
DataTable.ext.order['chapter-pre'] = function (a) {
var constMaxSections = 5;
var constMaxSectionDigits = 4;
var filler;
var result = '';
var sections = a.split('.');
for (var i = 0; i < constMaxSections; i++) {
filler =
i < sections.length
? constMaxSectionDigits - sections[i].length
: constMaxSectionDigits;
result += filler === 0 ? '' : Array(filler + 1).join('0');
result += i < sections.length ? sections[i] : '';
}
return result;
};
return DataTable;
}));