Sorting Columns (Angular)

The FlexGrid control relies on the CollectionView class for sorting data.

Use the grid's allowSorting property to determine whether users should be able to sort the grid by clicking the column header cells:

AllowSorting.None: Users cannot sort the grid by clicking the column headers.

AllowSorting.SingleColumn: Users may sort the grid by a single column at a time. Clicking the column header sorts the column or flips the sort direction. Ctrl+Click removes the sort. (This is the default setting.)

AllowSorting.MultiColumn: Users may sort the grid by multiple columns at a time. Clicking the column header sorts the column or flips the sort direction. Ctrl+Click removes the sort for that column. Ctrl+Shift+Click removes all sorts.

Learn about FlexGrid | FlexGrid API Reference

This example uses Angular.

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 { WjInputModule } from '@mescius/wijmo.angular2.input'; import { CollectionView } from '@mescius/wijmo'; import { AllowSorting } from '@mescius/wijmo.grid'; @Component({ standalone: true, imports: [WjGridModule, WjInputModule, BrowserModule], selector: 'app-component', templateUrl: 'src/app.component.html', }) export class AppComponent { view = new CollectionView(this.getData()); allowSorting = AllowSorting.MultiColumn; allowSortingOptions = 'None,SingleColumn,MultiColumn'.split(','); // change the allowSorting value setAllowSorting(value: number) { this.view.sortDescriptions.clear(); // remove current sort this.allowSorting = value; // apply the new setting } // generate 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, num1: Math.random() * 5000, num2: Math.random() * 5000, num3: Math.random() * 5000, num4: Math.random() * 5000, num5: 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 { WjInputModule } from '@mescius/wijmo.angular2.input'; import { CollectionView } from '@mescius/wijmo'; import { AllowSorting } from '@mescius/wijmo.grid'; @Component({ standalone: true, imports: [WjGridModule, WjInputModule, BrowserModule], selector: 'app-component', templateUrl: 'src/app.component.html', }) export class AppComponent { view = new CollectionView(this.getData()); allowSorting = AllowSorting.MultiColumn; allowSortingOptions = 'None,SingleColumn,MultiColumn'.split(','); // change the allowSorting value setAllowSorting(value: number) { this.view.sortDescriptions.clear(); // remove current sort this.allowSorting = value; // apply the new setting } // generate 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, num1: Math.random() * 5000, num2: Math.random() * 5000, num3: Math.random() * 5000, num4: Math.random() * 5000, num5: 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 Sorting</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"> <label> allowSorting: <wj-combo-box #cmb [itemsSource]="allowSortingOptions" [selectedIndex]="allowSorting" (selectedIndexChanged)="setAllowSorting(cmb.selectedIndex)"> </wj-combo-box> </label> <wj-flex-grid #flex [itemsSource]="view" [allowSorting]="allowSorting"> </wj-flex-grid> </div>
.wj-flexgrid { max-height: 250px; margin: 10px 0; } label { display: block; }
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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);