You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
1.6 KiB
JavaScript
52 lines
1.6 KiB
JavaScript
/**
|
|
* Fairly simply, this plug-in will take the data from an API result set
|
|
* and sum it, returning the summed value. The data can come from any data
|
|
* source, including column data, cells or rows.
|
|
*
|
|
* Note that it will attempt to 'deformat' any string based data that is passed
|
|
* into it - i.e. it will strip any non-numeric characters in order to make a
|
|
* best effort attempt to sum all data types. This can be useful when working
|
|
* with formatting numbers such as currency. However the trade-off is that no
|
|
* error is thrown if non-numeric data is passed in. You should be aware of this
|
|
* in case unexpected values are returned - likely the input data is not what is
|
|
* expected.
|
|
*
|
|
* @name sum()
|
|
* @summary Sum the values in a data set.
|
|
* @author [Allan Jardine](http://sprymedia.co.uk)
|
|
* @requires DataTables 1.10+
|
|
*
|
|
* @returns {Number} Summed value
|
|
*
|
|
* @example
|
|
* // Simply get the sum of a column
|
|
* var table = $('#example').DataTable();
|
|
* table.column( 3 ).data().sum();
|
|
*
|
|
* @example
|
|
* // Insert the sum of a column into the columns footer, for the visible
|
|
* // data on each draw
|
|
* $('#example').DataTable( {
|
|
* drawCallback: function () {
|
|
* var api = this.api();
|
|
* $( api.table().footer() ).html(
|
|
* api.column( 4, {page:'current'} ).data().sum()
|
|
* );
|
|
* }
|
|
* } );
|
|
*/
|
|
|
|
jQuery.fn.dataTable.Api.register( 'sum()', function ( ) {
|
|
return this.flatten().reduce( function ( a, b ) {
|
|
if ( typeof a === 'string' ) {
|
|
a = a.replace(/[^\d.-]/g, '') * 1;
|
|
}
|
|
if ( typeof b === 'string' ) {
|
|
b = b.replace(/[^\d.-]/g, '') * 1;
|
|
}
|
|
|
|
return a + b;
|
|
}, 0 );
|
|
} );
|
|
|