Field Formats

The PivotField.format property determines how raw values are formatted for display and also for breaking values into groups. This example shows how changing the format property of a dimension fields affects data grouping. If the field format shows the quarter, the data is grouped by quarter. If it shows the month, the data is grouped by month.

Learn about OLAP | PivotPanel Documentation | PivotPanel API Reference

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import './styles.css'; // import '@mescius/wijmo.touch'; // support drag/drop on touch devices import * as wjOlap from '@mescius/wijmo.olap'; import * as wjInput from '@mescius/wijmo.input'; import { getData } from './data'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { // // initialize pivot engine var ng = new wjOlap.PivotEngine({ autoGenerateFields: false, fields: [ { binding: 'date', header: 'Year', format: 'yyyy' }, { binding: 'date', header: 'Period', format: '"Q"q' }, { binding: 'buyer', header: 'Person' }, { binding: 'type', header: 'Category' }, { binding: 'amount', header: 'Total', format: 'c0', aggregate: 'Sum' }, { binding: 'amount', header: 'Average', format: 'c0', aggregate: 'Avg' }, ], itemsSource: getData(1000), showRowTotals: 'Subtotals', valueFields: ['Total', 'Average'], rowFields: ['Year', 'Period'] // by Year and Quarter }); // // show summary var pivotGrid = new wjOlap.PivotGrid('#pivotGrid', { itemsSource: ng }); // // customize the "Period" field var fld = ng.fields.getField('Period'); var formats = [ { name: 'Quarter ("Q"q)', value: '"Q"q' }, { name: 'Fiscal Quarter ("FQ"u)', value: '"FQ"u' }, { name: 'Long Month (MMMM)', value: 'MMMM' }, { name: 'Short Month (MMM)', value: 'MMM' }, { name: 'Month Number (M )', value: 'M ' }, ]; var format = new wjInput.ComboBox('#format', { itemsSource: formats, displayMemberPath: 'name', selectedValuePath: 'value', textChanged: function (s, e) { fld.format = s.selectedValue; } }); // }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo OLAP Fields Format</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.21.5/system.src.js" integrity="sha512-skZbMyvYdNoZfLmiGn5ii6KmklM82rYX2uWctBhzaXPxJgiv4XBwJnFGr5k8s+6tE1pcR1nuTKghozJHyzMcoA==" crossorigin="anonymous"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div class="container-fluid"> <div id="pivotGrid"></div> <p> Customize the "Period" field by changing its format: </p> <input id="format"><br/> </div> </body> </html>
import * as wjCore from '@mescius/wijmo'; // get the raw data export function getData(cnt) { var today = new Date(), buyers = 'Mom,Dad,Kelly,Sheldon'.split(','), types = 'Food,Clothes,Fuel,Books,Sports,Music'.split(','), data = []; for (var i = 0; i < cnt; i++) { data.push({ date: wjCore.DateTime.addDays(today, -Math.random() * 365 * 3), buyer: randomItem(buyers), type: randomItem(types), amount: 20 + Math.random() * 1000 }); } return data; } function randomItem(arr) { return arr[Math.floor(Math.random() * arr.length)]; }
.container>label { width: 120px; text-align: right; } .container>.wj-control { margin-bottom: 6px; } .wj-flexgrid { height: 200px; } body { margin-bottom: 24pt; }
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