Backend API
<div class="options-panel">
<div class="caption">Options</div>
<div class="options-container">
<div class="option">
<span>Selection Mode</span>
<dx-select-box
[dataSource]="['single', 'multiple']"
[inputAttr]="{ 'aria-label': 'Selection Mode' }"
[(value)]="selectionMode"
(onValueChanged)="clearSelection()"
></dx-select-box>
</div>
<div class="option">
<span>Show Checkboxes Mode</span>
<dx-select-box
[dataSource]="['always', 'none', 'onClick', 'onLongTap']"
[inputAttr]="{ 'aria-label': 'Show Checkboxes Mode' }"
[(value)]="showCheckBoxesMode"
[disabled]="selectionMode !== 'multiple'"
></dx-select-box>
</div>
<div class="option">
<span>Select All Mode</span>
<dx-select-box
[dataSource]="['allPages', 'page']"
[inputAttr]="{ 'aria-label': 'Select All Mode' }"
[(value)]="selectAllMode"
[disabled]="selectionMode !== 'multiple' || !allowSelectAll"
></dx-select-box>
</div>
<div class="option">
<dx-check-box
text="Allow Select All"
[(value)]="allowSelectAll"
[disabled]="selectionMode !== 'multiple'"
></dx-check-box>
</div>
</div>
</div>
<dx-card-view
[dataSource]="employees"
keyExpr="ID"
[selectedCardKeys]="[4, 6]"
cardsPerRow="auto"
[cardMinWidth]="300"
>
<dxo-card-view-card-cover
[altExpr]="altExpr"
[imageExpr]="imageExpr"
></dxo-card-view-card-cover>
<dxo-card-view-selection
[mode]="selectionMode"
[showCheckBoxesMode]="showCheckBoxesMode"
[allowSelectAll]="allowSelectAll"
[selectAllMode]="selectAllMode"
></dxo-card-view-selection>
<dxi-card-view-column dataField="FullName"></dxi-card-view-column>
<dxi-card-view-column dataField="Position"></dxi-card-view-column>
<dxi-card-view-column dataField="Phone"></dxi-card-view-column>
<dxi-card-view-column dataField="Email"></dxi-card-view-column>
</dx-card-view>
import { bootstrapApplication } from '@angular/platform-browser';
import { Component, enableProdMode, ViewChild, provideZoneChangeDetection } from '@angular/core';
import { DxCardViewComponent, DxCardViewModule, DxSelectBoxModule, DxCheckBoxModule } from 'devextreme-angular';
import { Employee, Service } from './app.service';
if (!/localhost/.test(document.location.host)) {
enableProdMode();
}
@Component({
selector: 'demo-app',
templateUrl: './app.component.html',
styleUrls: ['./app.component.css'],
providers: [Service],
imports: [
DxCardViewModule,
DxSelectBoxModule,
DxCheckBoxModule,
],
})
export class AppComponent {
@ViewChild(DxCardViewComponent, { static: true }) cardView: DxCardViewComponent;
employees: Employee[];
selectionMode = 'multiple';
allowSelectAll = true;
showCheckBoxesMode = 'always';
selectAllMode = 'allPages';
constructor(service: Service) {
this.employees = service.getEmployees();
}
altExpr({ FullName }: Employee): string {
return `Photo of ${FullName}`;
}
imageExpr({ FullName }: Employee): string {
return `../../../../images/employees/new/${FullName}.jpg`;
}
clearSelection() {
this.cardView.instance.clearSelection();
}
}
bootstrapApplication(AppComponent, {
providers: [
provideZoneChangeDetection({ eventCoalescing: true, runCoalescing: true }),
],
});
.options-panel {
margin-top: 20px;
padding: 20px;
background-color: rgba(191, 191, 191, 0.15);
}
.options-container {
display: flex;
flex-wrap: wrap;
align-items: center;
}
.caption {
font-size: 18px;
font-weight: 500;
}
.option {
margin: 10px;
display: flex;
align-items: center;
width: fit-content;
}
.option > .dx-selectbox {
width: 150px;
display: inline-block;
vertical-align: middle;
}
.option > span {
margin-right: 10px;
}
import { Injectable } from '@angular/core';
export interface Employee {
ID: number;
FullName: string;
Position: string;
Department: string;
Phone: string;
Email: string;
}
const employees: Employee[] = [
{
ID: 3,
FullName: 'Arthur Miller',
Position: 'CTO',
Department: 'Management',
Phone: '+1 (310) 555-8583',
Email: 'arthurm@dx-email.com',
},
{
ID: 4,
FullName: 'Robert Reagan',
Position: 'CMO',
Department: 'Management',
Phone: '+1 (818) 555-2387',
Email: 'robertr@dx-email.com',
},
{
ID: 5,
FullName: 'Greta Sims',
Position: 'HR Manager',
Department: 'Human Resources',
Phone: '+1 (818) 555-6546',
Email: 'gretas@dx-email.com',
},
{
ID: 6,
FullName: 'Brett Wade',
Position: 'IT Manager',
Department: 'IT',
Phone: '+1 (626) 555-0358',
Email: 'brettw@dx-email.com',
},
{
ID: 7,
FullName: 'Sandra Johnson',
Position: 'Controller',
Department: 'Human Resources',
Phone: '+1 (562) 555-2082',
Email: 'sandraj@dx-email.com',
},
{
ID: 8,
FullName: 'Ed Holmes',
Position: 'Sales Manager',
Department: 'Sales',
Phone: '+1 (310) 555-1288',
Email: 'edwardh@dx-email.com',
},
{
ID: 9,
FullName: 'Barb Banks',
Position: 'Support Manager',
Department: 'Support',
Phone: '+1 (310) 555-3355',
Email: 'barbarab@dx-email.com',
},
{
ID: 10,
FullName: 'Kevin Carter',
Position: 'Shipping Manager',
Department: 'Shipping',
Phone: '+1 (213) 555-2840',
Email: 'kevinc@dx-email.com',
},
{
ID: 11,
FullName: 'Cindy Stanwick',
Position: 'HR Assistant',
Department: 'Human Resources',
Phone: '+1 (818) 555-6655',
Email: 'cindys@dx-email.com',
},
{
ID: 12,
FullName: 'Sammy Hill',
Position: 'Sales Assistant',
Department: 'Sales',
Phone: '+1 (626) 555-7292',
Email: 'sammyh@dx-email.com',
},
{
ID: 13,
FullName: 'Davey Jones',
Position: 'Shipping Assistant',
Department: 'Shipping',
Phone: '+1 (626) 555-0281',
Email: 'davidj@dx-email.com',
},
{
ID: 14,
FullName: 'Victor Norris',
Position: 'Shipping Assistant',
Department: 'Shipping',
Phone: '+1 (213) 555-9278',
Email: 'victorn@dx-email.com',
},
{
ID: 15,
FullName: 'Mary Stern',
Position: 'Shipping Assistant',
Department: 'Shipping',
Phone: '+1 (818) 555-7857',
Email: 'marys@dx-email.com',
},
{
ID: 16,
FullName: 'Robin Cosworth',
Position: 'Shipping Assistant',
Department: 'Shipping',
Phone: '+1 (818) 555-0942',
Email: 'robinc@dx-email.com',
},
{
ID: 17,
FullName: 'Kelly Rodriguez',
Position: 'Support Assistant',
Department: 'Support',
Phone: '+1 (818) 555-9248',
Email: 'kellyr@dx-email.com',
},
{
ID: 18,
FullName: 'James Anderson',
Position: 'Support Assistant',
Department: 'Support',
Phone: '+1 (323) 555-4702',
Email: 'jamesa@dx-email.com',
},
{
ID: 19,
FullName: 'Antony Remmen',
Position: 'Support Assistant',
Department: 'Support',
Phone: '+1 (310) 555-6625',
Email: 'anthonyr@dx-email.com',
},
{
ID: 20,
FullName: 'Olivia Peyton',
Position: 'Sales Assistant',
Department: 'Sales',
Phone: '+1 (310) 555-2728',
Email: 'oliviap@dx-email.com',
},
{
ID: 21,
FullName: 'Taylor Riley',
Position: 'Network Admin',
Department: 'IT',
Phone: '+1 (310) 555-7276',
Email: 'taylorr@dx-email.com',
},
{
ID: 22,
FullName: 'Amelia Harper',
Position: 'Network Admin',
Department: 'IT',
Phone: '+1 (213) 555-4276',
Email: 'ameliah@dx-email.com',
},
{
ID: 23,
FullName: 'Wally Hobbs',
Position: 'Programmer',
Department: 'IT',
Phone: '+1 (818) 555-8872',
Email: 'wallyh@dx-email.com',
},
{
ID: 24,
FullName: 'Brad Jameson',
Position: 'Programmer',
Department: 'IT',
Phone: '+1 (818) 555-4646',
Email: 'bradleyj@dx-email.com',
},
{
ID: 25,
FullName: 'Karen Goodson',
Position: 'Programmer',
Department: 'IT',
Phone: '+1 (626) 555-0908',
Email: 'kareng@dx-email.com',
},
{
ID: 26,
FullName: 'Marcus Orbison',
Position: 'Travel Coordinator',
Department: 'Human Resources',
Phone: '+1 (213) 555-7098',
Email: 'marcuso@dx-email.com',
},
{
ID: 27,
FullName: 'Sandy Bright',
Position: 'Benefits Coordinator',
Department: 'Human Resources',
Phone: '+1 (818) 555-0524',
Email: 'sandrab@dx-email.com',
},
{
ID: 28,
FullName: 'Morgan Kennedy',
Position: 'Graphic Designer',
Department: 'IT',
Phone: '+1 (818) 555-8238',
Email: 'morgank@dx-email.com',
},
{
ID: 29,
FullName: 'Violet Bailey',
Position: 'Jr Graphic Designer',
Department: 'IT',
Phone: '+1 (818) 555-2478',
Email: 'violetb@dx-email.com',
},
{
ID: 30,
FullName: 'Ken Samuelson',
Position: 'Ombudsman',
Department: 'Human Resources',
Phone: '+1 (562) 555-9282',
Email: 'kents@dx-email.com',
},
{
ID: 31,
FullName: 'Nat Maguiree',
Position: 'Trainer',
Department: 'Support',
Phone: '+1 (562) 555-8377',
Email: 'nataliem@dx-email.com',
},
{
ID: 32,
FullName: 'Bart Arnaz',
Position: 'Director of Engineering',
Department: 'Engineering',
Phone: '+1 (714) 555-2000',
Email: 'barta@dx-email.com',
},
{
ID: 33,
FullName: 'Leah Simpson',
Position: 'Test Coordinator',
Department: 'Engineering',
Phone: '+1 (562) 559-5830',
Email: 'leahs@dx-email.com',
},
{
ID: 34,
FullName: 'Arnie Schwartz',
Position: 'Engineer',
Department: 'Engineering',
Phone: '+1 (714) 555-8882',
Email: 'arnolds@dx-email.com',
},
{
ID: 35,
FullName: 'Samantha Piper',
Position: 'Engineer',
Department: 'Engineering',
Phone: '+1 (323) 555-4512',
Email: 'samanthap@dx-email.com',
},
{
ID: 36,
FullName: 'Maggie Boxter',
Position: 'Engineer',
Department: 'Engineering',
Phone: '+1 (714) 555-7239',
Email: 'margaretb@dx-email.com',
},
{
ID: 37,
FullName: 'Terry Bradley',
Position: 'QA Engineer',
Department: 'Engineering',
Phone: '+1 (805) 555-2788',
Email: 'terryb@dx-email.com',
},
{
ID: 38,
FullName: 'Gabe Jones',
Position: 'Retail Coordinator',
Department: 'Support',
Phone: '+1 (310) 555-5395',
Email: 'gabrielj@dx-email.com',
},
{
ID: 39,
FullName: 'Lucy Ball',
Position: 'Sales Assistant',
Department: 'Sales',
Phone: '+1 (310) 555-3357',
Email: 'lucyb@dx-email.com',
},
{
ID: 40,
FullName: 'Jim Packard',
Position: 'Retail Sales Manager',
Department: 'Sales',
Phone: '+1 (661) 555-8224',
Email: 'jamesp@dx-email.com',
},
{
ID: 41,
FullName: 'Hannah Brookly',
Position: 'Online Sales Manager',
Department: 'Sales',
Phone: '+1 (805) 555-3627',
Email: 'hannahb@dx-email.com',
},
{
ID: 42,
FullName: 'Harv Mudd',
Position: 'Retail Sales Manager',
Department: 'Sales',
Phone: '+1 (831) 555-3895',
Email: 'harveym@dx-email.com',
},
{
ID: 43,
FullName: 'Clark Morgan',
Position: 'Retail Sales Manager',
Department: 'Sales',
Phone: '+1 (925) 555-2525',
Email: 'clarkm@dx-email.com',
},
{
ID: 44,
FullName: 'Todd Hoffman',
Position: 'Retail Sales Manager',
Department: 'Sales',
Phone: '+1 (925) 555-3579',
Email: 'toddh@dx-email.com',
},
{
ID: 45,
FullName: 'Jackie Garmin',
Position: 'Support Assistant',
Department: 'Support',
Phone: '+1 (213) 555-1824',
Email: 'jackg@dx-email.com',
},
{
ID: 46,
FullName: 'Lincoln Bartlett',
Position: 'Sales Assistant',
Department: 'Sales',
Phone: '+1 (213) 555-8272',
Email: 'lincolnb@dx-email.com',
},
{
ID: 47,
FullName: 'Brad Farkus',
Position: 'Engineer',
Department: 'Engineering',
Phone: '+1 (213) 555-3626',
Email: 'bradf@dx-email.com',
},
{
ID: 48,
FullName: 'Jenny Hobbs',
Position: 'Shipping Assistant',
Department: 'Shipping',
Phone: '+1 (310) 555-2668',
Email: 'jennyh@dx-email.com',
},
{
ID: 49,
FullName: 'Dallas Lou',
Position: 'Shipping Assistant',
Department: 'Shipping',
Phone: '+1 (213) 555-8357',
Email: 'dallas@dx-email.com',
},
{
ID: 50,
FullName: 'Stu Pizaro',
Position: 'Engineer',
Department: 'Engineering',
Phone: '+1 (213) 555-2552',
Email: 'stu@dx-email.com',
},
];
@Injectable()
export class Service {
getEmployees() {
return employees;
}
}
<!DOCTYPE html>
<html lang="en">
<head>
<title>DevExtreme Demo</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/26.1.5/css/dx.light.css" />
</head>
<body class="dx-viewport">
<div class="demo-container">
<demo-app>Loading...</demo-app>
</div>
<script src="https://cdn.jsdelivr.net/npm/zone.js@0.16.2/bundles/zone.umd.js"></script>
<script src="./bundle.js" type="module"></script>
</body>
</html>
Use the following properties to configure CardView selection:
- allowSelectAll
Allows users to select all or current page cards (based on selectAllMode). - selectAllMode
Specifies mode used to select all cards. Applies only if selection.allowSelectAll istrue. - showCheckBoxesMode
Specifies when to display card selection checkboxes.