Row and Column Fields (Dimensions) (Angular)

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.

Learn about OLAP | PivotPanel Documentation | PivotPanel API Reference

This example uses Angular.

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 '@angular/compiler'; import { Component, Inject, enableProdMode, ɵresolveComponentResources } from '@angular/core'; import { BrowserModule, bootstrapApplication } from '@angular/platform-browser'; import { WjOlapModule } from '@mescius/wijmo.angular2.olap'; import { DataService } from './app.data'; // @Component({ standalone: true, providers: [DataService], imports: [WjOlapModule, BrowserModule], selector: 'app-component', templateUrl: 'src/app.component.html', }) export class AppComponent { ngPanel: wjOlap.PivotEngine; // constructor(@Inject(DataService) private dataService: DataService) { this.ngPanel = new wjOlap.PivotEngine({ itemsSource: dataService.getData(1000), // raw data valueFields: ['Amount'], // summarize amounts rowFields: ['Buyer', 'Type'], // summarize amounts }); this.ngPanel.fields.getField('Amount').format = 'c0'; // var yearField = this.ngPanel.fields.getField('Date'); yearField.header = 'Year'; yearField.format = 'yyyy'; // var quarterField = new wjOlap.PivotField(this.ngPanel, 'date', 'Quarter'); quarterField.format = '"Q"q'; this.ngPanel.fields.splice(1, 0, quarterField); } } // // enableProdMode(); // Resolve resources (templateUrl, styleUrls etc), After resolution all URLs have been converted into `template` strings. ɵresolveComponentResources(fetch).then(() => { // Bootstrap application bootstrapApplication(AppComponent).catch((err) => console.error(err)); });
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo OLAP Pivot Panel Row Column Fields</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- Polyfills --> <script src="node_modules/core-js/client/shim.min.js"></script> <script src="node_modules/zone.js/fesm2015/zone.min.js"></script> <!-- 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> // workaround to load 'rxjs/operators' from the rxjs bundle System.import('rxjs').then(function (m) { System.set(SystemJS.resolveSync('rxjs/operators'), System.newModule(m.operators)); System.import('./src/app.component'); }); </script> </head> <body> <app-component></app-component> </body> </html>
<div class="container-fluid"> <div class="row"> <div class="col-sm-5"> <p> Drag and drop fields to build views: </p> <wj-pivot-panel [itemsSource]="ngPanel"></wj-pivot-panel> </div> <div class="col-sm-7"> <p> Summary for the current view definition: </p> <wj-pivot-grid [itemsSource]="ngPanel"></wj-pivot-grid> </div> </div> </div>
import * as wjCore from '@mescius/wijmo'; import { Injectable } from '@angular/core'; export interface DataItem { date: Date; buyer: string; type: string; amount: number; } function randomItem(arr: string[]) { return arr[Math.floor(Math.random() * arr.length)]; } @Injectable() export class DataService { getData(cnt: number): DataItem[] { 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; } }
.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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'@angular/router': 'npm:@angular/router/fesm2022/router.mjs', '@angular/forms': 'npm:@angular/forms/fesm2022/forms.mjs', }, // packages tells the System loader how to load when no filename and/or no extension packages: { "./src": { defaultExtension: 'ts' }, "node_modules": { defaultExtension: 'js' }, wijmo: { defaultExtension: 'js', } } }); })(this);