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Groups in Angular TextBox component

The following section explains you the steps required to create TextBox with icon and floating label.

TextBox:

  • Create a parent div element with the class e-input-group
  • Place input element with the class e-input inside the parent div element.
import { Component } from '@angular/core';

@Component({
    selector: 'app-root',
    template: `<div class="wrap">
                <div class="e-float-input e-input-group">
                <input class="e-input" type="text" placeholder="Enter Name" />
                </div>
               </div>`
})

export class AppComponent { }

Floating label:

  • Add the e-float-input class to the parent div element.
  • Remove the e-input class and add required attribute to the input element.
  • Place the span element with class e-float-line after the input element.
  • Place the label element with class e-float-text after the above created span element. When you focus or filled with value in the TextBox, the label floats above the TextBox.

Creating the Floating label TextBox, you have to set the required attribute to the Input element to achieve the floating label functionality which is used for validating the value existence in TextBox. If you want to render the Floating label TextBox without required attribute then refer to the Floating Label without required attribute section.

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

@Component({
    selector: 'app-root',
    template: `<div class="wrap">
                  <div class="e-float-input e-input-group">
                    <input type="text" required/>
                    <span class="e-float-line"></span>
                    <label class="e-float-text">Enter Name </label>
                  </div>
               </div>`
})

export class AppComponent { }

And refer to the following sections to add the icons to the TextBox.

With icon and floating label

Create an icon element as a span with the class e-input-group-icon, and the user can place the icon in either side of TextBox by adding the created icon element before/after the input.

For the floating label enabled TextBox add the icon element as first or last element inside the TextBox wrapper, and based on the element position it will act as prefix or suffix icon.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component } from '@angular/core';

@Component({
    selector: 'app-root',
    template: `<div class="wrap">

                <h4> TextBox with icons </h4>

                <div class="e-input-group">
                    <input class="e-input" type="text" (focus)="focusIn($event.target)"
                    placeholder = "Enter Date" (blur)="focusOut($event.target)"/>
                    <span class="e-input-group-icon e-input-popup-date" (mouseup)="onMouseUp($event.target)" (mousedown)="onMouseDown($event.target)"></span>
                </div>

                <div class="e-input-group e-float-icon-left">
                    <span class="e-input-group-icon e-input-date" (mouseup)="onMouseUp($event.target)" (mousedown)="onMouseDown($event.target)"></span>
                    <div class="e-input-in-wrap">
                        <input class="e-input" type="text" (focus)="focusIn($event.target)"
                        placeholder = "Enter Date" (blur)="focusOut($event.target)"/>
                    </div>
                </div>

                <div class="e-input-group e-float-icon-left">
                    <span class="e-input-group-icon e-input-date" (mouseup)="onMouseUp($event.target)" (mousedown)="onMouseDown($event.target)"></span>
                    <div class="e-input-in-wrap">
                        <input class="e-input" type="text" (focus)="focusIn($event.target)"
                        placeholder = "Enter Date" (blur)="focusOut($event.target)"/>
                        <span class="e-input-group-icon e-input-down" (mouseup)="onMouseUp($event.target)" (mousedown)="onMouseDown($event.target)"></span>
                    </div>
                </div>

                <h4> Floating label with icons </h4>

                <div class="e-float-input e-input-group">
                    <input type="text" required (focus)="focusIn($event.target)" (blur)="focusOut($event.target)">
                    <span class="e-float-line"></span>
                    <label class="e-float-text" >Enter Date</label>
                    <span class="e-input-group-icon e-input-popup-date" (mouseup)="onMouseUp($event.target)" (mousedown)="onMouseDown($event.target)"></span>
                </div>

                <div class="e-float-input e-input-group e-float-icon-left">
                    <span class="e-input-group-icon e-input-date" (mouseup)="onMouseUp($event.target)" (mousedown)="onMouseDown($event.target)"></span>
                    <div class="e-input-in-wrap">
                        <input type="text" required (focus)="focusIn($event.target)" (blur)="focusOut($event.target)">
                        <span class="e-float-line"></span>
                        <label class="e-float-text" >Enter Date</label>
                    </div>
                </div>

                <div class="e-float-input e-input-group e-float-icon-left">
                    <span class="e-input-group-icon e-input-date" (mouseup)="onMouseUp($event.target)" (mousedown)="onMouseDown($event.target)"></span>
                    <div class="e-input-in-wrap">
                        <input type="text" required (focus)="focusIn($event.target)" (blur)="focusOut($event.target)">
                        <span class="e-float-line"></span>
                        <label class="e-float-text" >Enter Date</label>
                        <span class="e-input-group-icon e-input-down" (mouseup)="onMouseUp($event.target)" (mousedown)="onMouseDown($event.target)"></span>
                    </div>
                </div>
              </div>`
})

export class AppComponent {
    public focusIn(target: HTMLElement): void {
        let parent: HTMLElement = target.parentElement;
        if (parent.classList.contains('e-input-in-wrap') {
            parent.parentElement.classList.add('e-input-focus');
        } else {
            parent.classList.add('e-input-focus');
        }
    }

    public focusOut(target: HTMLElement): void {
        let parent: HTMLElement = target.parentElement;
        if (parent.classList.contains('e-input-in-wrap') {
            parent.parentElement.classList.remove('e-input-focus');
        } else {
            parent.classList.remove('e-input-focus');
        }
    }

    public onMouseDown(target: HTMLElement): void {
        target.classList.add('e-input-btn-ripple');
    }

    public onMouseUp(target: HTMLElement): void {
        let ele: HTMLElement = target;
        setTimeout(
                () => {ele.classList.remove('e-input-btn-ripple'); },
                500);
    }
 }
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { FormsModule } from '@angular/forms';
/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule,
        FormsModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

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

To place the icon on left side of the TextBox, create a div element with the class e-input-in-wrap as wrapper to the input element and place the floating line, floating text, and right side icon element within it. Add the e-float-icon-left class to the TextBox container element.

With clear button and floating label

The clear button is added to the input for clearing the value given in the TextBox. It is shown only when the input field has a value, otherwise not shown.

You can add the clear button to the TextBox by showClearButton API in textbox

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component } from '@angular/core';

@Component({
    selector: 'app-root',
    template: `<div class="wrap">
    <h4>Textbox with clear icon</h4>
    <div class='textboxes'>
        <ejs-textbox placeholder="First Name" showClearButton='true' floatLabelType="Never"></ejs-textbox>
    </div>

    <h4>Floating Textbox with clear icon</h4>
    <div class='textboxes'>
        <ejs-textbox placeholder="Last Name" showClearButton='true' floatLabelType="Auto"></ejs-textbox>
    </div>
    </div>`
})

export class AppComponent { }
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import {TextBoxModule} from '@syncfusion/ej2-angular-inputs';
/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule,
        TextBoxModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

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

Floating Label without required attribute

You can render the Floating label TextBox without required attribute by manually float the label above of the TextBox using ngClass. You can manually float the label above of the TextBox by adding the below list of classes to the floating label element. The classes are:

Class Name Description
e-label-top Floats the label above of the TextBox.
e-label-bottom Label to be placed as placeholder for the TextBox.
Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component } from '@angular/core';

@Component({
    selector: 'app-root',
    template: `<div class="wrap">
                <h4> Floating Label without required attribute </h4>
                  <div class="e-float-input e-input-group" [ngClass]="{'e-input-focus': tb1Focused}">
                      <input type="text" id="textBox1" [(ngModel)]="textboxValue"
                      #testTextBox1 (focus)="tb1Focused = true" (blur)="tb1Focused = false"/>
                      <span class="e-float-line"></span>
                      <label class="e-float-text" [ngClass]="{'e-label-top': textboxValue !== '' , 'e-label-bottom':  textboxValue == ''}" >Enter Name</label>
                  </div>
              </div>`
})

export class AppComponent {

    public textboxValue;

     ngOnInit() {
    this.textboxValue = '';
  }
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { FormsModule } from '@angular/forms';
/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule,
        FormsModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

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

Multi-line Input with Floating Label

Add the HTML textarea element with the e-input class to create default multi-line input.

Add the floating label support to the multi-line input by creating the floating label structure as defined in the initial section.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component } from '@angular/core';

@Component({
    selector: 'app-root',
    template: `<div class="wrap">

                <textarea class="e-input" placeholder="Address"></textarea>

                <div class="e-float-input">
                    <textarea required></textarea>
                    <span class="e-float-line"></span>
                    <label class="e-float-text"> Address </label>
                </div>
               </div>`
})

export class AppComponent { }
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { FormsModule } from '@angular/forms';
/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule,
        FormsModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

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

See Also