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Progress Bar

Overview

Documentation
The ProgressBar is a widget that shows current progress.
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<div class="form"> <dx-button id="progress-button" [(text)]="buttonText" (onClick)="onButtonClick()" [width]="200"> </dx-button> <div class="progress-info"> Time left {{seconds | time}} </div> <dx-progress-bar #progressBar id="progress-bar-status" [class.complete]="progressBar.value == maxValue" [min]="0" [max]="maxValue" [statusFormat]="format" [value]="maxValue - seconds"> </dx-progress-bar> </div>
import { NgModule, Component, Pipe, PipeTransform } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxButtonModule, DxProgressBarModule } from 'devextreme-angular'; @Pipe({name: 'time'}) export class TimePipe implements PipeTransform { transform(value: number): string { return "00:00:" + ("0" + value).slice(-2); } } @Component({ selector: 'demo-app', templateUrl: 'app/app.component.html', styleUrls: ['app/app.component.css'] }) export class AppComponent { buttonText = "Start progress"; inProgress = false; seconds = 10; maxValue = 10; intervalId: number; onButtonClick() { if (this.inProgress) { this.buttonText = "Continue progress"; clearInterval(this.intervalId); } else { this.buttonText = "Stop progress"; if(this.seconds === 0) { this.seconds = 10; } this.intervalId = setInterval(() => this.timer(), 1000); } this.inProgress = !this.inProgress; } timer() { this.seconds--; if (this.seconds == 0) { this.buttonText = "Restart progress"; this.inProgress = !this.inProgress; clearInterval(this.intervalId); return; } } format(value) { return 'Loading: ' + value * 100 + '%'; } } @NgModule({ imports: [ BrowserModule, DxButtonModule, DxProgressBarModule ], declarations: [AppComponent, TimePipe], bootstrap: [AppComponent] }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
/deep/ .form { padding: 20% 0; text-align: center; } /deep/ #progress-button{ margin-bottom: 20px; } /deep/ #progressBarStatus { display: inline-block; } /deep/ .complete .dx-progressbar-range { background-color: green; }
// In real applications, you should not transpile code in the browser. You can see how to create your own application with Angular 2 and DevExtreme here: // https://github.com/DevExpress/devextreme-angular/blob/master/README.md System.config({ transpiler: 'ts', typescriptOptions: { module: "commonjs", emitDecoratorMetadata: true, experimentalDecorators: true }, meta: { 'typescript': { "exports": "ts" } }, paths: { 'npm:': 'https://unpkg.com/' }, map: { 'ts': 'npm:plugin-typescript@4.0.10/lib/plugin.js', 'typescript': 'npm:typescript@2.0.6/lib/typescript.js', '@angular/core': 'npm:@angular/core@2.4.3/bundles/core.umd.js', '@angular/common': 'npm:@angular/common@2.4.3/bundles/common.umd.js', '@angular/compiler': 'npm:@angular/compiler@2.4.3/bundles/compiler.umd.js', '@angular/platform-browser': 'npm:@angular/platform-browser@2.4.3/bundles/platform-browser.umd.js', '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@2.4.3/bundles/platform-browser-dynamic.umd.js', '@angular/http': 'npm:@angular/http@2.4.3/bundles/http.umd.js', '@angular/router': 'npm:@angular/router@3.4.3/bundles/router.umd.js', '@angular/forms': 'npm:@angular/forms@2.4.3/bundles/forms.umd.js', 'rxjs': 'npm:rxjs@5.0.3', 'devextreme': 'npm:devextreme@16.2', 'jquery': 'npm:jquery@3.1.1/dist/jquery.min.js', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'devextreme-angular': 'npm:devextreme-angular@16.2' }, packages: { 'app': { main: './app.component.ts', defaultExtension: 'ts' }, 'devextreme': { defaultExtension: 'js' }, 'devextreme-angular': { main: 'index.js', defaultExtension: 'js' } } });
<!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/16.2.5/css/dx.spa.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/16.2.5/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/16.2.5/css/dx.light.css" /> <link rel="dx-theme" data-theme="android5.light" href="https://cdn3.devexpress.com/jslib/16.2.5/css/dx.android5.light.css" /> <link rel="dx-theme" data-theme="ios7.default" href="https://cdn3.devexpress.com/jslib/16.2.5/css/dx.ios7.default.css" /> <link rel="dx-theme" data-theme="win10.black" href="https://cdn3.devexpress.com/jslib/16.2.5/css/dx.win10.black.css" /> <link rel="dx-theme" data-theme="win10.white" href="https://cdn3.devexpress.com/jslib/16.2.5/css/dx.win10.white.css" /> <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script> <script src="https://unpkg.com/zone.js@0.6.25/dist/zone.js"></script> <script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script> <script src="https://unpkg.com/systemjs@0.19.31/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>