Row Details Customization (Angular)

Sometimes rows are bound to data objects that contain more information than would fit easily on a regular grid.

In these scenarios, you may want to use the FlexGridDetailProvider class that is included with the wijmo.grid.detail module. The FlexGridDetailProvider will create a details section for each row that users can expand to see the rest of the data.

You can include custom HTML elements within the details section of a row for users to interact with. The sample below shows how to include a buttom within the details section that collapses the details when pressed.

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 { ODataCollectionView } from '@mescius/wijmo.odata'; import { WjGridModule } from '@mescius/wijmo.angular2.grid'; import { WjGridDetailModule } from '@mescius/wijmo.angular2.grid.detail'; const url = 'https://services.odata.org/Northwind/Northwind.svc'; @Component({ standalone: true, imports: [WjGridModule, WjGridDetailModule, BrowserModule], selector: 'app-component', templateUrl: 'src/app.component.html', }) export class AppComponent { categories: ODataCollectionView; products: ODataCollectionView; private _catToProductMap: Map<string, any> = new Map(); constructor() { this.categories = new ODataCollectionView(url, 'Categories', { fields: ['CategoryID', 'CategoryName', 'Description'], }); this.products = new ODataCollectionView(url, 'Products'); } getProducts(categoryID: string): any[] { let categoryProducts = this._catToProductMap.get(categoryID); if (!categoryProducts) { categoryProducts = this.products.items.filter((product) => product.CategoryID === categoryID); this._catToProductMap.set(categoryID, categoryProducts); } return categoryProducts; } readonly rowHasDetailFn = (row: any) => !(row.dataItem.CategoryID % 2); } 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 Row Details</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons/font/bootstrap-icons.css" rel="stylesheet"> <!-- Polyfills --> <script src="https://cdn.jsdelivr.net/npm/core-js/client/shim.min.js"></script> <!-- SystemJS --> <script src="https://cdn.jsdelivr.net/npm/systemjs@0.21.5/dist/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"> <h3>Using custom elements to show or hide details</h3> <p> This grid shows product categories on each row with custom show/hide elements. Expanding the rows shows an HTML element with information about the products in that category: </p> <wj-flex-grid id="customDetail" [itemsSource]="categories" [isReadOnly]="true" [headersVisibility]="'Column'" [selectionMode]="'Row'"> <ng-template wjFlexGridDetail #rowDetail="wjFlexGridDetail" let-item="item" [detailVisibilityMode]="'Code'" [rowHasDetail]="rowHasDetailFn"> <div> ID: <b>{{item.CategoryID}}</b><br /> Name: <b>{{item.CategoryName}}</b><br /> Description: <b>{{item.Description}}</b><br /> <button class="btn btn-outline-secondary btn-sm" (click)="rowDetail.hideDetail(row)">Hide Detail</button> </div> </ng-template> <wj-flex-grid-column [header]="'Name'" [binding]="'CategoryName'" [isReadOnly]="true" [width]="'*'"> <ng-template wjFlexGridCellTemplate [cellType]="'Cell'" let-row="row" let-item="item"> @if (!rowDetail.isDetailAvailable(row)) { <span class="bi"></span> } @if (rowDetail.isDetailAvailable(row) && rowDetail.isDetailVisible(row)) { <span class="bi bi-chevron-up" (click)="rowDetail.hideDetail(row)"></span> } @if (rowDetail.isDetailAvailable(row) && !rowDetail.isDetailVisible(row)) { <span class="bi bi-chevron-down" (click)="rowDetail.showDetail(row, true)"></span> } {{item.CategoryName}} (ID: {{item.CategoryID}}) </ng-template> </wj-flex-grid-column> <wj-flex-grid-column [header]="'Description'" [binding]="'Description'" [width]="'2*'"></wj-flex-grid-column> </wj-flex-grid> </main>
.wj-flexgrid { max-height: 350px; } body { margin-bottom: 20pt; } #customDetail .bi { font-size: 1.25em; margin-right: 0.5em; cursor: pointer; color: gray; width: 1em; }
(function (global) { SystemJS.config({ transpiler: './plugin-typescript.js', typescriptOptions: { target: 'ES2022', module: 'system', ignoreDeprecations: '6.0', emitDecoratorMetadata: true, experimentalDecorators: true, }, meta: { typescript: { exports: 'ts', }, '*.css': { loader: 'systemjs-plugin-css' }, '*.mjs': { format: 'esm', }, }, paths: { // paths serve as alias 'npm:': 'node_modules/', 'cdn:': 'https://cdn.mescius.io/demoapps/packages/wijmojs/5.20262.60-rc/', 'pcdn:': 'https://cdn.jsdelivr.net/npm/', 'agpcdn:': 'https://cdn.jsdelivr.net/npm/' }, packageConfigPaths: ['/node_modules/*/package.json', '/node_modules/@angular/*/package.json', '/node_modules/@mescius/*/package.json'], map: { 'core-js': 'agpcdn:core-js@2.6.12/client/shim.min.js', 'typescript': 'agpcdn:typescript@6.0.3/lib/typescript.min.js', rxjs: 'agpcdn:rxjs@7.8.1/dist/bundles/rxjs.umd.min.js', 'systemjs-plugin-css': 'agpcdn:systemjs-plugin-css@0.1.37/css.js', '@mescius/wijmo': 'cdn:@mescius/wijmo/index.js', '@mescius/wijmo.input': 'cdn:@mescius/wijmo.input/index.js', '@mescius/wijmo.styles': 'cdn:@mescius/wijmo.styles', '@mescius/wijmo.cultures': 'cdn:@mescius/wijmo.cultures', '@mescius/wijmo.chart': 'cdn:@mescius/wijmo.chart/index.js', '@mescius/wijmo.chart.analytics': 'cdn:@mescius/wijmo.chart.analytics/index.js', '@mescius/wijmo.chart.animation': 'cdn:@mescius/wijmo.chart.animation/index.js', '@mescius/wijmo.chart.annotation': 'cdn:@mescius/wijmo.chart.annotation/index.js', '@mescius/wijmo.chart.finance': 'cdn:@mescius/wijmo.chart.finance/index.js', '@mescius/wijmo.chart.finance.analytics': 'cdn:@mescius/wijmo.chart.finance.analytics/index.js', '@mescius/wijmo.chart.hierarchical': 'cdn:@mescius/wijmo.chart.hierarchical/index.js', '@mescius/wijmo.chart.interaction': 'cdn:@mescius/wijmo.chart.interaction/index.js', '@mescius/wijmo.chart.radar': 'cdn:@mescius/wijmo.chart.radar/index.js', '@mescius/wijmo.chart.render': 'cdn:@mescius/wijmo.chart.render/index.js', '@mescius/wijmo.chart.webgl': 'cdn:@mescius/wijmo.chart.webgl/index.js', '@mescius/wijmo.chart.map': 'cdn:@mescius/wijmo.chart.map/index.js', '@mescius/wijmo.gauge': 'cdn:@mescius/wijmo.gauge/index.js', '@mescius/wijmo.grid': 'cdn:@mescius/wijmo.grid/index.js', '@mescius/wijmo.grid.detail': 'cdn:@mescius/wijmo.grid.detail/index.js', '@mescius/wijmo.grid.filter': 'cdn:@mescius/wijmo.grid.filter/index.js', '@mescius/wijmo.grid.search': 'cdn:@mescius/wijmo.grid.search/index.js', '@mescius/wijmo.grid.style': 'cdn:@mescius/wijmo.grid.style/index.js', '@mescius/wijmo.grid.grouppanel': 'cdn:@mescius/wijmo.grid.grouppanel/index.js', '@mescius/wijmo.grid.multirow': 'cdn:@mescius/wijmo.grid.multirow/index.js', '@mescius/wijmo.grid.transposed': 'cdn:@mescius/wijmo.grid.transposed/index.js', '@mescius/wijmo.grid.transposedmultirow': 'cdn:@mescius/wijmo.grid.transposedmultirow/index.js', '@mescius/wijmo.grid.pdf': 'cdn:@mescius/wijmo.grid.pdf/index.js', '@mescius/wijmo.grid.sheet': 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'cdn:@mescius/wijmo.cloud/index.js', '@mescius/wijmo.barcode': 'cdn:@mescius/wijmo.barcode/index.js', '@mescius/wijmo.barcode.common': 'cdn:@mescius/wijmo.barcode.common/index.js', '@mescius/wijmo.barcode.composite': 'cdn:@mescius/wijmo.barcode.composite/index.js', '@mescius/wijmo.barcode.specialized': 'cdn:@mescius/wijmo.barcode.specialized/index.js', '@mescius/wijmo.angular2.chart.analytics': 'cdn:@mescius/wijmo.angular2.chart.analytics/index.js', '@mescius/wijmo.angular2.chart.animation': 'cdn:@mescius/wijmo.angular2.chart.animation/index.js', '@mescius/wijmo.angular2.chart.annotation': 'cdn:@mescius/wijmo.angular2.chart.annotation/index.js', '@mescius/wijmo.angular2.chart.finance.analytics': 'cdn:@mescius/wijmo.angular2.chart.finance.analytics/index.js', '@mescius/wijmo.angular2.chart.finance': 'cdn:@mescius/wijmo.angular2.chart.finance/index.js', '@mescius/wijmo.angular2.chart.hierarchical': 'cdn:@mescius/wijmo.angular2.chart.hierarchical/index.js', 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'pcdn:@angular/platform-browser-dynamic@22.0.1/fesm2022/platform-browser-dynamic.mjs', '@angular/router': 'pcdn:@angular/router@22.0.1/fesm2022/router.mjs', '@angular/forms': 'pcdn:@angular/forms@22.0.1/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);