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Set cursor position while focus on the input textbox in Angular MaskedTextBox component

By default, on focusing the MaskedTextBox the entire mask gets selected. You can customize by using any one of the following methods:

  • Setting cursor position at the start of the MaskedTextBox.
  • Setting cursor position at the end of the MaskedTextBox.
  • Setting cursor at the specified position in the MaskedTextBox.

Following is an example that demonstrates the above cases to set cursor position in the MaskedTextBox using focus event.

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

@Component({
    selector: 'app-root',
    // sets mask format to the MaskedTextBox
    template: `
            <div class="col-sm-6">
                <br/><ejs-maskedtextbox #mask="" id="mask1" mask='00000-00000' value='93828-32132' name="mask_value1" placeholder= 'Default cursor position' floatLabelType= 'Always'></ejs-maskedtextbox><br/>
                <ejs-maskedtextbox #mask="" id="mask2" mask='00000-00000' value='83929-43427' name="mask_value2" placeholder= 'Cursor positioned at start' floatLabelType= 'Always' (focus)= "onStartfocus($event)"></ejs-maskedtextbox><br/>
                <ejs-maskedtextbox #mask="" id="mask3" mask='00000-00000' value='83929-32131' name="mask_value3" placeholder= 'Cursor positioned at end' floatLabelType= 'Always' (focus)= "onEndfocus($event)"></ejs-maskedtextbox><br/>
                <ejs-maskedtextbox #mask="" id="mask4" mask='+1 000-000-0000' value='234-432-4324' name="mask_value4" placeholder= 'Cursor at specified position' floatLabelType= 'Always' (focus)= "onSpecificfocus($event)"></ejs-maskedtextbox>
            </div>
    `
})

export class AppComponent {
    public onStartfocus(args): void {
        //sets cursor position at start of MaskedTextBox
        args.selectionEnd= args.selectionStart;
        }
        public onEndfocus(args): void {
        //sets cursor position at end of MaskedTextBox
        args.selectionStart=args.selectionEnd;
        }
        public onSpecificfocus(args): void {
        //sets cursor at specified position
        args.selectionStart = 3;
        args.selectionEnd = 3;
        }
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { MaskedTextBoxModule } from '@syncfusion/ej2-angular-inputs';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule,MaskedTextBoxModule
    ],
    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);
<!DOCTYPE html>
<html lang="en">

<head>
    <title>EJ2 Angular MaskedTextBox</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Angular MaskedTextBox Component" />
    <meta name="author" content="Syncfusion" />
    <link href="index.css" rel="stylesheet" />
    <!-- Here we have used CDN links for our preview purpose  -->
    <link href="//cdn.syncfusion.com/ej2/ej2-base/styles/material.css" rel="stylesheet" />
   <link href="//cdn.syncfusion.com/ej2/ej2-angular-inputs/styles/material.css" rel="stylesheet" />

    <script src="https://unpkg.com/core-js/client/shim.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/core-js/2.4.1/core.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/zone.js/0.6.25/zone.min.js"></script>
    <script src="https://unpkg.com/reflect-metadata@0.1.3"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>

<body>
    <div id='ang_container'>
        <div class='wrap'>
            <app-root>
                <div id='loader'>LOADING....</div>
            </app-root>
        </div>
    </div>
</body>

</html>
#container {
    visibility: hidden;
}

#loader {
  color: #008cff;
  height: 40px;
  left: 45%;
  position: absolute;
  top: 45%;
  width: 30%;
}

.wrap {
  margin: 20px auto;
  width: 240px;
}

.label {
    font-family: 'Helvetica Neue', 'Helvetica', 'Arial', 'sans-serif';
    font-size: 14px;
}

.e-widget {
    padding-bottom: 12px;
}