Column Collections (Angular)

The FlexGrid control has two sets of columns:

Fixed Columns: This collection contains the columns on the left of the grid.

Scrollable Columns: This collection contains the main set of columns.

Both column collections are ColumnCollection objects, which extend regular arrays. You may add or remove columns by adding or removing Column objects from these arrays.

Learn about FlexGrid | FlexGrid API Reference

This example uses Angular.

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import './styles.css'; // import '@angular/compiler'; import { Component, enableProdMode, ɵresolveComponentResources } from '@angular/core'; import { BrowserModule, bootstrapApplication } from '@angular/platform-browser'; import * as wjcGrid from '@mescius/wijmo.grid'; import { WjGridModule } from '@mescius/wijmo.angular2.grid'; // @Component({ standalone: true, imports: [WjGridModule, BrowserModule], selector: 'app-component', templateUrl: 'src/app.component.html', }) export class AppComponent { data: any[]; // DataSvc will be passed by derived classes constructor() { this.data = this._getData(); } firstGridInitial(grid: wjcGrid.FlexGrid) { grid.rowHeaders.columns.push(new wjcGrid.Column()); // extra fixed column } secondGridInitial(grid: wjcGrid.FlexGrid) { grid.rowHeaders.columns.splice(0, 1); // no extra columns } private _getData() { // generate some random data let countries = 'US,Germany,UK,Japan,Italy,Greece'.split(','), data = []; for (let i = 0; i < countries.length; i++) { data.push({ country: countries[i], downloads: Math.round(Math.random() * 20000), sales: Math.random() * 10000, expenses: Math.random() * 5000, }); } return data; } } // // 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 FlexGrid Column Collections</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>
<main class="container-fluid"> <wj-flex-grid #firstGrid (initialized)="firstGridInitial(firstGrid)" [(itemsSource)]="data"> </wj-flex-grid> <p> And this grid has no fixed columns and a custom set of scrollable columns:</p> <wj-flex-grid #secondGrid (initialized)="secondGridInitial(secondGrid)" [(itemsSource)]="data"> <wj-flex-grid-column [header]="'Country'" [binding]="'country'"></wj-flex-grid-column> <wj-flex-grid-column [header]="'Sales'" [binding]="'sales'"></wj-flex-grid-column> <wj-flex-grid-column [header]="'Expenses'" [binding]="'expenses'"></wj-flex-grid-column> </wj-flex-grid> </main>
.wj-flexgrid { height: 150px; margin: 10px 0; } .extra-col { background: rgb(255,255,125); }
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'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);