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Getting started with Angular PDF Viewer component

02 Dec 2022 / 4 minutes to read

This section explains the steps required to create a simple Essential JS 2 PDF Viewer and demonstrates the basic usage of the PDF Viewer control in a Angular CLI application.

Setup Angular Environment

You can use the Angular CLI to setup your Angular applications. To install Angular CLI globally use the following command.

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npm install -g @angular/cli

N> Use the command npm install —save @angular/cli@12.0.2 to install the latest Angular CLI version 12.0.2

Create an Angular Application

Start a new Angular application using the Angular CLI command as follows.

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ng new my-app
cd my-app

Installing Syncfusion Pdfviewer package

Syncfusion packages are distributed in npm as @syncfusion scoped packages. You can get all the Angular Syncfusion package from npm link.

Currently, Syncfusion provides two types of package structures for Angular components,

  1. Ivy library distribution package format
  2. Angular compatibility compiler(Angular’s legacy compilation and rendering pipeline) package.

Ivy library distribution package

Syncfusion Angular packages(>=20.2.36) has been moved to the Ivy distribution to support the Angular Ivy rendering engine and the package are compatible with Angular version 12 and above. To download the package use the below command.

Add @syncfusion/ej2-angular-pdfviewer package to the application.

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npm install @syncfusion/ej2-angular-pdfviewer --save

Angular compatibility compiled package(ngcc)

For Angular version below 12, you can use the legacy (ngcc) package of the Syncfusion Angular components. To download the ngcc package use the below.

Add @syncfusion/ej2-angular-pdfviewer@ngcc package to the application.

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npm install @syncfusion/ej2-angular-pdfviewer@ngcc --save

To mention the ngcc package in the package.json file, add the suffix -ngcc with the package version as below.

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@syncfusion/ej2-angular-pdfviewer:"20.2.38-ngcc"

Note: If the ngcc tag is not specified while installing the package, the Ivy Library Package will be installed and this package will throw a warning.

Registering PDF Viewer Module

Import PDF Viewer module into Angular application(app.module.ts) from the package @syncfusion/ej2-angular-pdfviewer [src/app/app.module.ts].

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import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
// import the PdfViewer Module for the PDF Viewer component
import { PdfViewerModule, LinkAnnotationService, BookmarkViewService, MagnificationService, ThumbnailViewService,
  ToolbarService, NavigationService, TextSearchService, TextSelectionService, PrintService } from '@syncfusion/ej2-angular-pdfviewer';
import { AppComponent } from './app.component';

@NgModule({
  //declaration of ej2-angular-pdfviewer module into NgModule
  imports: [ BrowserModule, PdfViewerModule ],
  declarations: [ AppComponent ],
  bootstrap: [AppComponent],
  providers: [LinkAnnotationService, BookmarkViewService, MagnificationService,
ThumbnailViewService, ToolbarService, NavigationService, TextSearchService, TextSelectionService, PrintService]
})
export class AppModule { }

Adding CSS reference

The following CSS files are available in ../node_modules/@syncfusion package folder. This can be referenced in [src/styles.css] using the following code.

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@import '../node_modules/@syncfusion/ej2-base/styles/material.css';
@import '../node_modules/@syncfusion/ej2-buttons/styles/material.css';
@import '../node_modules/@syncfusion/ej2-dropdowns/styles/material.css';
@import '../node_modules/@syncfusion/ej2-inputs/styles/material.css';
@import '../node_modules/@syncfusion/ej2-navigations/styles/material.css';
@import '../node_modules/@syncfusion/ej2-popups/styles/material.css';
@import '../node_modules/@syncfusion/ej2-splitbuttons/styles/material.css';
@import '../node_modules/@syncfusion/ej2-pdfviewer/styles/material.css';
@import '../node_modules/@syncfusion/ej2-notifications/styles/material.css';

Add the following lines in the index.html file to refer the css style.

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<link href="//cdn.syncfusion.com/ej2/20.3.56/material.css" rel="stylesheet" />

Add PDF Viewer component

Modify the template in [src/app/app.component.ts] file to render the PDF Viewer component. Add the Angular PDF Viewer by using <ejs-pdfviewer> selector in template section of the app.component.ts file.

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import { Component, OnInit } from '@angular/core';
import {
  LinkAnnotationService, BookmarkViewService, MagnificationService, ThumbnailViewService,
  ToolbarService, NavigationService, AnnotationService, TextSearchService, TextSelectionService, PrintService
} from '@syncfusion/ej2-angular-pdfviewer';

@Component({
  selector: 'app-root',
  // specifies the template string for the PDF Viewer component
  template: `<div class="content-wrapper">
  <ejs-pdfviewer id="pdfViewer" [serviceUrl]='service' [documentPath]='document' style="height:640px;display:block"></ejs-pdfviewer>
</div>`,
  providers: [LinkAnnotationService, BookmarkViewService, MagnificationService,
ThumbnailViewService, ToolbarService, NavigationService, AnnotationService, TextSearchService, TextSelectionService, PrintService]
})
export class AppComponent implements OnInit {
public service = 'https://ej2services.syncfusion.com/production/web-services/api/pdfviewer';
public document = 'PDF_Succinctly.pdf';
ngOnInit(): void {
}
}

For PDF Viewer serviceUrl creation, follow the steps provided in the link

View web service sample in GitHub

Run the application

Use the following command to run the application in browser.

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ng serve --open

The output will appear as follows.

Source
Preview
app.component.ts
app.module.ts
main.ts
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import { Component, OnInit } from '@angular/core';
import {
  LinkAnnotationService, BookmarkViewService, MagnificationService, ThumbnailViewService,
  ToolbarService, NavigationService, AnnotationService, TextSearchService, TextSelectionService, PrintService
} from '@syncfusion/ej2-angular-pdfviewer';

@Component({
  selector: 'app-container',
  // specifies the template string for the PDF Viewer component
  template: `<div class="content-wrapper">
  <ejs-pdfviewer id="pdfViewer" [serviceUrl]='service' [documentPath]='document' style="height:640px;display:block"></ejs-pdfviewer>
</div>`,
  providers: [LinkAnnotationService, BookmarkViewService, MagnificationService,
ThumbnailViewService, ToolbarService, NavigationService, AnnotationService, TextSearchService, TextSelectionService, PrintService]
})
export class AppComponent implements OnInit {
public service = 'https://ej2services.syncfusion.com/production/web-services/api/pdfviewer';
public document = 'PDF_Succinctly.pdf';
ngOnInit(): void {
}
}
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import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { PdfViewerModule, LinkAnnotationService, BookmarkViewService, MagnificationService, ThumbnailViewService,
  ToolbarService, NavigationService, TextSearchService, TextSelectionService, PrintService  } from '@syncfusion/ej2-angular-pdfviewer';


import { AppComponent } from './app.component';

@NgModule({
  imports: [ BrowserModule , PdfViewerModule ],
  declarations: [ AppComponent ],
  bootstrap: [AppComponent],
  providers: [LinkAnnotationService, BookmarkViewService, MagnificationService,
    ThumbnailViewService, ToolbarService, NavigationService, TextSearchService, TextSelectionService, PrintService]
})
export class AppModule { }
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import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);

Find the Angular Sample

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