List Selection
There are three List item selection modes: "single", "multiple", and "all". To enable item selection, pass the mode name to the selectionMode property. If you set this property to "none" (default setting), item selection is disabled. In this demo, you can try out all the selection modes. Use the drop-down Selection Mode menu to switch between modes.
List items can display checkboxes or radio buttons. To show these controls, enable the showSelectionControls property. Otherwise, users can click or tap list items to select them. The showSelectionControls property should also be enabled when you use the "all" selectionMode to show the Select All checkbox.
When the List data is paginated, you can choose whether the Select All checkbox selects all items on all pages or only the items on the current page. To configure this functionality, set the selectAllMode property to "allPages" or "page". In this demo, you can use the drop-down Select All Mode menu to change the selectAllMode property at runtime.
To configure the initial selection or access the keys of selected items, use the selectedItemKeys array. This example shows the contents of this array in the Selected IDs section below the List.
You can also implement the onSelectionChanged event handler to perform an action when users select items.
Feel free to share demo-related thoughts here.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
Thank you!
We appreciate your feedback.
We appreciate your feedback.
<div id="list-demo">
<div class="widget-container">
<dx-list #list
[dataSource]="tasks"
[height]="400"
[selectionMode]="selectionModeValue"
[selectAllMode]="selectAllModeVlaue"
[showSelectionControls]="true"
[selectedItemKeys]="[]"></dx-list>
<div class="selected-data">
<span class="caption">Selected IDs:</span>
<span>{{list.selectedItemKeys.join(", ")}}</span>
</div>
</div>
<div class="options">
<div class="caption">Options</div>
<div class="option">
<span>Selection Mode</span>
<dx-select-box
[items]="['none', 'single', 'multiple', 'all']"
[(value)]="selectionModeValue">
</dx-select-box>
</div>
<div class="option">
<span>Select All Mode</span>
<dx-select-box
[items]="['page', 'allPages']"
[(value)]="selectAllModeVlaue">
</dx-select-box>
</div>
</div>
</div>
import { NgModule, Component, enableProdMode } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { DxSelectBoxModule, DxListModule } from 'devextreme-angular';
import DataSource from 'devextreme/data/data_source';
import ArrayStore from 'devextreme/data/array_store';
import { Task, Service } from './app.service';
if(!/localhost/.test(document.location.host)) {
enableProdMode();
}
@Component({
selector: 'demo-app',
providers: [ Service ],
templateUrl: 'app/app.component.html',
styleUrls: ['app/app.component.css'],
preserveWhitespaces: true
})
export class AppComponent {
tasks: DataSource;
selectAllModeVlaue: string = "page";
selectionModeValue: string = "all";
constructor(service: Service) {
this.tasks = new DataSource({
store: new ArrayStore({
key: "id",
data: service.getTasks()
})
});
}
}
@NgModule({
imports: [
BrowserModule,
DxSelectBoxModule,
DxListModule
],
declarations: [AppComponent],
bootstrap: [AppComponent]
})
export class AppModule { }
platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep .selected-data,
::ng-deep .options {
margin-top: 20px;
padding: 20px;
background-color: rgba(191, 191, 191, 0.15);
}
::ng-deep .selected-data .caption {
font-weight: bold;
font-size: 115%;
}
::ng-deep .options .caption {
font-size: 18px;
font-weight: 500;
}
::ng-deep .option {
margin-top: 10px;
}
::ng-deep .option > span {
width: 120px;
display: inline-block;
}
::ng-deep .option > .dx-widget {
display: inline-block;
vertical-align: middle;
width: 100%;
max-width: 350px;
}
import { Injectable } from '@angular/core';
export class Task {
id: number;
text: string
}
let tasks: Task[] = [
{ id: 1, text: "Prepare 2016 Financial" },
{ id: 2, text: "Prepare 2016 Marketing Plan" },
{ id: 3, text: "Update Personnel Files" },
{ id: 4, text: "Review Health Insurance Options Under the Affordable Care Act" },
{ id: 5, text: "New Brochures" },
{ id: 6, text: "2016 Brochure Designs" },
{ id: 7, text: "Brochure Design Review" },
{ id: 8, text: "Website Re-Design Plan" },
{ id: 9, text: "Rollout of New Website and Marketing Brochures" },
{ id: 10, text: "Create 2012 Sales Report" },
{ id: 11, text: "Direct vs Online Sales Comparison Report" },
{ id: 12, text: "Review 2012 Sales Report and Approve 2016 Plans" },
{ id: 13, text: "Submit Signed NDA" },
{ id: 14, text: "Update Revenue Projections" },
{ id: 15, text: "Review Revenue Projections" },
{ id: 16, text: "Comment on Revenue Projections" },
{ id: 17, text: "Scan Health Insurance Forms" },
{ id: 18, text: "Sign Health Insurance Forms" },
{ id: 19, text: "Follow up with West Coast Stores" },
{ id: 20, text: "Follow up with East Coast Stores" },
{ id: 21, text: "Submit Refund Report for 2016 Recall" },
{ id: 22, text: "Give Final Approval for Refunds" },
{ id: 23, text: "Prepare Product Recall Report" },
{ id: 24, text: "Review Product Recall Report by Engineering Team" },
{ id: 25, text: "Review Training Course for any Omissions" },
{ id: 26, text: "Review Overtime Report" },
{ id: 27, text: "Submit Overtime Request Forms" },
{ id: 28, text: "Overtime Approval Guidelines" },
{ id: 29, text: "Create Report on Customer Feedback" },
{ id: 30, text: "Review Customer Feedback Report" },
{ id: 31, text: "Customer Feedback Report Analysis" },
{ id: 32, text: "Prepare Shipping Cost Analysis Report" },
{ id: 33, text: "Complete Shipper Selection Form" },
{ id: 34, text: "Upgrade Server Hardware" },
{ id: 35, text: "Upgrade Personal Computers" },
{ id: 36, text: "Approve Personal Computer Upgrade Plan" },
{ id: 37, text: "Estimate Time Required to Touch-Enable Apps" },
{ id: 38, text: "Report on Tranistion to Touch-Based Apps" },
{ id: 39, text: "Try New Touch-Enabled WinForms Apps" },
{ id: 40, text: "Site Up-Time Report" },
{ id: 41, text: "Review Site Up-Time Report" },
{ id: 42, text: "Review Online Sales Report" },
{ id: 43, text: "Determine New Online Marketing Strategy" },
{ id: 44, text: "Submit New Website Design" },
{ id: 45, text: "Create Icons for Website" },
{ id: 46, text: "Review PSDs for New Website" },
{ id: 47, text: "Create New Shopping Cart" },
{ id: 48, text: "Launch New Website" },
{ id: 49, text: "Update Customer Shipping Profiles" },
{ id: 50, text: "Create New Shipping Return Labels" }
];
@Injectable()
export class Service {
getTasks(): Task[] {
return tasks;
}
}
// In real applications, you should not transpile code in the browser. You can see how to create your own application with Angular and DevExtreme here:
// https://js.devexpress.com/Documentation/Guide/Angular_Components/Getting_Started/Create_a_DevExtreme_Application/
System.config({
transpiler: 'ts',
typescriptOptions: {
module: "system",
emitDecoratorMetadata: true,
experimentalDecorators: true
},
meta: {
'typescript': {
"exports": "ts"
},
'devextreme/localization.js': {
"esModule": true
}
},
paths: {
'npm:': 'https://unpkg.com/'
},
map: {
'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js',
'typescript': 'npm:typescript@3.5.3/lib/typescript.js',
'@angular': 'npm:@angular',
'tslib': 'npm:tslib@2.2.0/tslib.js',
'rxjs': 'npm:rxjs@6.4.0',
'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.26.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@20.2.7',
'jszip': 'npm:jszip@3.6.0/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@0.10.3/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.0.23',
'devexpress-gantt': 'npm:devexpress-gantt@2.0.29',
'devextreme-angular': 'npm:devextreme-angular@20.2.6',
'preact': 'npm:preact@10.5.13/dist/preact.js',
'preact/hooks': 'npm:preact@10.5.13/hooks/dist/hooks.js'
},
packages: {
'app': {
main: './app.component.ts',
defaultExtension: 'ts'
},
'devextreme': {
defaultExtension: 'js'
},
'devextreme/events/utils': {
main: 'index'
},
'devextreme/events': {
main: 'index'
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js'
}
},
packageConfigPaths: [
"npm:@angular/*/package.json",
"npm:@angular/common/*/package.json",
"npm:rxjs/package.json",
"npm:rxjs/operators/package.json",
"npm:devextreme-angular/*/package.json",
"npm:devextreme-angular/ui/*/package.json",
"npm:devextreme-angular/package.json",
"npm:devexpress-diagram/package.json",
"npm:devexpress-gantt/package.json",
]
});
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<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=1.0" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.7/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.7/css/dx.light.css" />
<script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script>
<script src="https://unpkg.com/zone.js@0.10.2/dist/zone.js"></script>
<script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script>
<script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script>
<script src="config.js"></script>
<script>
System.import('app').catch(console.error.bind(console));
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<demo-app>Loading...</demo-app>
</div>
</body>
</html>