Row and Column Fields (Dimensions)

The PivotEngine has several field collections exposed as properties. rowFields and columnFields contain fields used as "dimensions". The PivotEngine uses the dimension fields to break up the data into groups, and ensures each dimension field appears only once in the view.

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; // import '@grapecity/wijmo.touch'; // support drag/drop on touch devices import * as wjOlap from '@grapecity/wijmo.olap'; import { getData } from './data'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { // // initialize pivot engine var ngPanel = new wjOlap.PivotEngine({ itemsSource: getData(1000), valueFields: ['Amount'], rowFields: ['Buyer', 'Type'] // summarize amounts }); var amountField = ngPanel.fields.getField('Amount'); amountField.format = 'c0'; // customize field // // clone the date fields to show quarters var yearField = ngPanel.fields.getField('Date'); yearField.header = 'Year'; yearField.format = 'yyyy'; // var quarterField = new wjOlap.PivotField(ngPanel, 'date', 'Quarter'); quarterField.format = '"Q"q'; ngPanel.fields.splice(1, 0, quarterField); // // show pivot panel var pivotPanel = new wjOlap.PivotPanel('#pivotPanel', { itemsSource: ngPanel }); // // show summary var pivotPanelGrid = new wjOlap.PivotGrid('#pivotPanelGrid', { itemsSource: ngPanel }); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>Grapecity Wijmo OLAP Pivot Panel Row Column Fields</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="node_modules/systemjs/dist/system.src.js"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div class="container-fluid"> <div class="row"> <div class="col-xs-5"> <p> Drag and drop fields to build views: </p> <div id="pivotPanel"></div> </div> <div class="col-xs-7"> <p> Summary for the current view definition: </p> <div id="pivotPanelGrid"></div> </div> </div> </div> </body> </html>
import * as wjCore from '@grapecity/wijmo'; // get the raw data // 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)]; }
.wj-pivotpanel { background: #eee; box-shadow: 0 10px 20px rgba(0, 0, 0, 0.19), 0 6px 6px rgba(0, 0, 0, 0.23); } .wj-pivotpanel .wj-flexgrid { background: inherit; } .wj-pivotpanel [wj-part=d-rows], .wj-pivotpanel [wj-part=d-cols] { background: gold; } body { margin-bottom: 24pt; }
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