Pivot Chart Legend

PivotChart's automatically create and display a legend when the chart is rendered. You can use the chart's showLegend property to determine whether the chart should display a Legend. This example shows a PivotChart with a configurable Legend that changes its display.

Learn about OLAP | PivotChart Documentation | PivotChart API Reference

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import './styles.css'; 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 ngChart = new wjOlap.PivotEngine({ itemsSource: getData(), valueFields: ['Amount'], rowFields: ['Buyer', 'Type'], // by buyer and type }); ngChart.fields.getField('Amount').format = 'c0'; // customize field // // show the chart var pivotChart = new wjOlap.PivotChart('#pivotChart', { itemsSource: ngChart, showTitle: false, showLegend: 'Auto' }); // // allow users to customize the chart legend var cmbShowLegend = new wjInput.ComboBox('#showLegend', { textChanged: function (s, e) { pivotChart.showLegend = s.text; }, itemsSource: 'Auto,Always,Never'.split(',') }); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo OLAP Pivot Chart Legend</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="pivotChart"></div> <label> Show Legend <input id="showLegend"> </label> </div> </body> </html>
// get the raw data export function getData() { var yr = new Date().getFullYear(); return [{ date: new Date(yr, 0, 1), buyer: 'Mom', type: 'Fuel', amount: 74 }, { date: new Date(yr, 0, 15), buyer: 'Mom', type: 'Food', amount: 235 }, { date: new Date(yr, 0, 17), buyer: 'Dad', type: 'Sports', amount: 20 }, { date: new Date(yr, 0, 21), buyer: 'Kelly', type: 'Books', amount: 125 }, { date: new Date(yr, 1, 2), buyer: 'Mom', type: 'Food', amount: 235 }, { date: new Date(yr, 1, 20), buyer: 'Kelly', type: 'Music', amount: 20 }, { date: new Date(yr, 1, 25), buyer: 'Kelly', type: 'Tickets', amount: 125 }, ]; }
.wj-pivotchart { margin: auto; max-width: 600px; } .wj-pivotchart .wj-flexchart { border: none; height: 300px; } body { margin-bottom: 48pt; }
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