Angular PrimeNG BlockUI Events

Angular PrimeNG is an open-source framework with a rich set of native Angular UI components that are used for great styling and this framework is used to make responsive websites with very much ease. In this article, we will know about Angular PrimeNG BlockUI Events.

The BlockUI component is used to block the component or the whole page. There are no such events that are fired on BlockUI. Let’s see an example of Block UI.

Syntax:

<p-blockUI 
    [blocked]="true">
</p-blockUI>

Creating Angular application & module installation:

Step 1: Create an Angular application using the following command.

ng new appname

Step 2: After creating your project folder i.e. appname, move to it using the following command.

cd appname

Step 3: Install PrimeNG in your given directory.

npm install primeng --save
npm install primeicons --save

Project Structure: It will look like the following

Steps to run the application: Run the below command to see the output

ng serve --save

Example 1: This is the basic example that shows how to use the BlockUI Component in Angular PrimeNG.

• app.component.html:

HTML

<h1 style="color: green;">GeeksforGeeks</h1>
<h2>Angular PrimeNG BlockUI Events</h2>

<p-blockUI [blocked]="gfg"></p-blockUI>
<button
    type="button"
    pButton
    pRipple
    label="Click here to block"
    (click)="geeks()">
</button>

• app.component.ts:

Javascript

import { Component } from "@angular/core";

@Component({
    selector: "app-root",
    templateUrl: "./app.component.html"
})

export class AppComponent {
    gfg: boolean = false;

    geeks() {
        this.gfg = true;
    }
}

• app.module.ts:

Javascript

import { NgModule } from "@angular/core";
import { BrowserModule } from "@angular/platform-browser";
import { FormsModule } from "@angular/forms";
import { BrowserAnimationsModule }
    from "@angular/platform-browser/animations";
import { AppComponent } from "./app.component";
import { ButtonModule } from "primeng/button";
import { BlockUIModule } from "primeng/blockui";
import { PanelModule } from "primeng/panel";

@NgModule({
    imports: [
        BrowserModule,
        BrowserAnimationsModule,
        BlockUIModule,
        ButtonModule,
        PanelModule,
        FormsModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent]
})

export class AppModule {}

Output:

Example 2: Below is another example code that illustrates the use o Angular PrimeNG BlockUI Events. In this example, we will know how to block a panel in the message component.

• app.component.html:

HTML

<h1 style="color: green;">GeeksforGeeks</h1>
<h2>Angular PrimeNG BlockUI Events</h2>

<button
    type="button"
    pButton
    pRipple
    label="Click Here to Block"
    (click)="gfg=true">
</button>

<button
    type="button"
    pButton
    pRipple
    label="Click Here to Unblock"
    (click)="gfg=false">
</button>

<p-blockUI [target]="geeks" [blocked]="gfg">
    <i class="pi pi-lock" style="font-size: 3rem;"></i>
</p-blockUI>

<p-panel #geeks header="BlockUI" styleClass="p-mt-4">
    <p class="p-m-0">
        Angular PrimeNG is a framework used
          with angular to create components with
          great styling and this framework is very
          easy to use and is used to make responsive
          websites.
    </p>
</p-panel>

• app.component.ts:

Javascript

import { Component } from "@angular/core";

@Component({
    selector: "app-root",
    templateUrl: "./app.component.html",
})

export class AppComponent {
    gfg: boolean = false;

    geeks() {
        this.gfg = true;
        setTimeout(() => {
        this.gfg = false;
        }, 3000);
    }
}

• app.module.ts:

Javascript

import { NgModule } from "@angular/core";
import { BrowserModule } from "@angular/platform-browser";
import { FormsModule } from "@angular/forms";
import { BrowserAnimationsModule }
    from "@angular/platform-browser/animations";
import { AppComponent } from "./app.component";
import { ButtonModule } from "primeng/button";
import { BlockUIModule } from "primeng/blockui";
import { PanelModule } from "primeng/panel";

@NgModule({
    imports: [
        BrowserModule,
        BrowserAnimationsModule,
        BlockUIModule,
        ButtonModule,
        PanelModule,
        FormsModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent]
})

export class AppModule {}

Output:

Reference: https://primefaces.org/primeng/blockui