Filtering (Angular)

You can use FlexGrid's collectionView.filter property to directly pass values into the grid that you want to filter by.

This is easy to do and very flexible, but you have to implement the filter UI yourself. For example, this grid allows you to filter the data by country:

Learn about FlexGrid | Filtering Documentation | FlexGrid API Reference

This example uses Angular.

The demo is being dynamically compiled to support real-time code editing... For quicker access to features, switch to the "JavaScript" tab for a smoother experience! :)
app.component.ts
index.html
app.component.html
styles.css
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import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import './styles.css'; import '@angular/compiler'; import { Component, enableProdMode, ViewChild, ɵresolveComponentResources } from '@angular/core'; import { BrowserModule, bootstrapApplication } from '@angular/platform-browser'; import { WjGridModule } from '@mescius/wijmo.angular2.grid'; import * as wjcGrid from '@mescius/wijmo.grid'; @Component({ standalone: true, imports: [WjGridModule, BrowserModule], selector: 'app-component', templateUrl: 'src/app.component.html', }) export class AppComponent { data: any[]; constructor() { this.data = this._getData(); } @ViewChild('flex', { static: true }) flex: wjcGrid.FlexGrid; // filter by country filter(e: any) { let filter = (<HTMLInputElement>e.target).value.toLowerCase(); this.flex.collectionView.filter = (item: any) => { return filter.length == 0 || item.country.toLowerCase().indexOf(filter) > -1; }; } // create some random data private _getData() { let countries = 'US,Germany,UK,Japan,Italy,Greece'.split(','), data = []; for (let i = 0; i < 200; i++) { data.push({ id: i, country: countries[i % countries.length], 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)); });
import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import './styles.css'; import '@angular/compiler'; import { Component, enableProdMode, ViewChild, ɵresolveComponentResources } from '@angular/core'; import { BrowserModule, bootstrapApplication } from '@angular/platform-browser'; import { WjGridModule } from '@mescius/wijmo.angular2.grid'; import * as wjcGrid from '@mescius/wijmo.grid'; @Component({ standalone: true, imports: [WjGridModule, BrowserModule], selector: 'app-component', templateUrl: 'src/app.component.html', }) export class AppComponent { data: any[]; constructor() { this.data = this._getData(); } @ViewChild('flex', { static: true }) flex: wjcGrid.FlexGrid; // filter by country filter(e: any) { let filter = (<HTMLInputElement>e.target).value.toLowerCase(); this.flex.collectionView.filter = (item: any) => { return filter.length == 0 || item.country.toLowerCase().indexOf(filter) > -1; }; } // create some random data private _getData() { let countries = 'US,Germany,UK,Japan,Italy,Greece'.split(','), data = []; for (let i = 0; i < 200; i++) { data.push({ id: i, country: countries[i % countries.length], 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 Filtering</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"> <div class="input-group"> <div class="input-group-addon"><span class="glyphicon glyphicon-search"></span></div> <input (input)="filter($event)" class="form-control" placeholder="Country Filter"> </div> <!-- the grid --> <wj-flex-grid #flex [(itemsSource)]="data"> </wj-flex-grid> </main>
.wj-flexgrid { max-height: 250px; margin:10px 0; } body { margin-bottom: 20px; }
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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);