Angular PrimeNG Form Chips Properties 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 calendar component in angular ngx bootstrap.

Chips Component: It is used to enter multiple values on an input field.

Properties Used:

• field: This property is used to define the name of the property to display on a chip.
• max: This property is used to define the Maximum number of entries.
• disabled: This property is used to define the specify that the element should be disabled.
• style: This property is used to define the inline style of the element.
• styleClass: This property is used to define the style class of the element.
• placeholder: This property is used to define the advisory information to display on input.
• tabindex: This property is used to define the index of the element in tabbing order.
• inputId: This property is used to define the identifier of the focus input to match a label defined for the component.
• ariaLabelledBy: This property is used to establishes relationships between the component and label(s) where its value should be one or more element IDs.
• allowDuplicate: This property is used to define the to allow duplicate values.
• inputStyle: This property is used to define the inline style of the input field.
• inputStyleClass: This property is used to define the style class of the input field.
• addOnTab: This property is used to add an item on tab key press.
• addOnBlur: This property is used to define the to add an item when the input loses focus.
• separator: This property is used to add an item when pressed in addition to the enter key.
• showClear: This property is used to display a clear the value.

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: 

Example 1: In the below code, we will use the above variable to demonstrate the use of the Form Chips Properties Component.

app.component.html

<div style="text-align:center;">
    <h1 style="color:green;">GeeksforGeeks</h1>
    <h3>A computer science portal for geeks</h3>
    <h4>Angular PrimeNG Form Chips Properties Component</h4>
    <div class="p-fluid">
        <h5>Template</h5>
        <p-chips [(ngModel)]="values3">
            <ng-template let-item pTemplate="item">
                {{ item }} - (Offline)
                <i class="pi pi-user p-ml-2"></i>
            </ng-template>
        </p-chips>
    </div>
</div>

app.component.ts

import { Component } from '@angular/core';
import { MenuItem } from 'primeng/api';

@Component({
    selector: 'app-root',
    templateUrl: './app.component.html'
})
export class AppComponent {
    values1: string[];

    values2: string[];

    values3: string[];
}

app.module.ts

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { HttpClientModule } from '@angular/common/http';
import { BrowserAnimationsModule } from
    '@angular/platform-browser/animations';

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

import { ChipsModule } from 'primeng/chips';
import { ButtonModule } from 'primeng/button';

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

export class AppModule { }

Output:

Example 2: In the below code, we will use the above variable to demonstrate the use of the Form Chips Properties Component.

app.component.html

<div style="text-align:center;">
    <h1 style="color:green;">GeeksforGeeks</h1>
    <h3>A computer science portal for geeks</h3>
    <h4>Angular PrimeNG Form Chips Properties Component</h4>
    <div class="p-fluid">
        <h5>Basic</h5>
        <p-chips [(ngModel)]="values1"></p-chips>
    </div>
</div>

app.component.ts

import { Component } from '@angular/core';
import { MenuItem } from 'primeng/api';

@Component({
    selector: 'app-root',
    templateUrl: './app.component.html'
})
export class AppComponent {
    values1: string[];

    values2: string[];

    values3: string[];
}

app.module.ts

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { HttpClientModule } from '@angular/common/http';
import { BrowserAnimationsModule } from
    '@angular/platform-browser/animations';

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

import { ChipsModule } from 'primeng/chips';
import { ButtonModule } from 'primeng/button';

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

export class AppModule { }

Output:

Reference: https://www.primefaces.org/primeng/chips