mirror of
https://github.com/billz/raspap-webgui.git
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37 lines
1.0 KiB
JavaScript
37 lines
1.0 KiB
JavaScript
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/**
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* Fairly simply, this plug-in will take the data from an API result set
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* and sum it, returning the summed value. The data can come from any data
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* source, including column data, cells or rows.
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*
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* @name sum()
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* @summary Sum the values in a data set.
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* @author [Allan Jardine](http://sprymedia.co.uk)
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* @requires DataTables 1.10+
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*
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* @returns {Number} Summed value
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*
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* @example
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* // Simply get the sum of a column
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* var table = $('#example').DataTable();
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* table.column( 3 ).data().sum();
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*
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* @example
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* // Insert the sum of a column into the columns footer, for the visible
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* // data on each draw
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* $('#example').DataTable( {
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* drawCallback: function () {
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* var api = this.api();
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* api.table().footer().to$().html(
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* api.column( 4, {page:'current'} ).data().sum()
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* );
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* }
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* } );
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*/
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jQuery.fn.dataTable.Api.register( 'sum()', function () {
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return this.flatten().reduce( function ( a, b ) {
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return (a*1) + (b*1); // cast values in-case they are strings
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} );
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} );
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