Angular PrimeNG Focus Trap Component

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. This article will show us how to use the Focus Trap Component in Angular PrimeNG. We will also learn about the various properties and their syntaxes used in the code example.

Angular PrimeNG Focus Trap is used to maintain focus on certain DOM elements while we tab with the tab key.

Properties:

• pFocusTrapDisabled: It specifies that the component should be disabled. It is of the boolean data type, the default value is false.

Events:

• This is the directive that has no events to define.

Styling:

• This is the directive that doesn’t apply any styling to the host.

Dependencies:

• There are no dependencies to show.

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:

To run the above file run the below command:

ng serve --save

Example 1: This is the basic example that shows how to use the Focus Trap Component.

app.component.html

<div pFocusTrap class="card">
  <h2 style="color: green">GeeksforGeeks</h2>
  <h5>Angular PrimeNG Basic Input</h5>

  <input
    id="gfg"
    type="text"
    size="25"
    pInputText
    placeholder="This basic input field" />
</div>

app.component.ts

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

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

export class AppComponent {}

app.module.ts

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { HttpClientModule } from '@angular/common/http';
import { AppComponent } from './app.component';
import { InputTextModule } from 'primeng/inputtext';
import { EditorModule } from 'primeng/editor';

@NgModule({
  imports: [
      BrowserModule,
      InputTextModule,
      EditorModule,
      HttpClientModule,
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
})

export class AppModule {}

Output:

Example 2: In this example, we will know how to use the Float Label in the FocusTrap component.

app.component.html

<div pFocusTrap class="card">
  <h2 style="color: green">GeeksforGeeks</h2>
  <h5>Angular PrimeNG Float Label Input</h5>

  <span class="p-float-label">
    <input id="float-input"
       type="text" size="30"
       pInputText />

    <label for="float-input">
      This is floating input field
    </label>
  </span>
</div>

app.component.ts

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

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

export class AppComponent {}

app.module.ts

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { HttpClientModule } from '@angular/common/http';
import { AppComponent } from './app.component';
import { InputTextModule } from 'primeng/inputtext';
import { EditorModule } from 'primeng/editor';

@NgModule({
    imports: [
      BrowserModule,
      InputTextModule,
      EditorModule,
      HttpClientModule,
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
})

export class AppModule {}

Output:

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