Prevent toast close with mobile swipe in Angular Toast component

27 Sep 20233 minutes to read

You can prevent the toast close with mobile swipe action by setting beforeClose argument cancel value to true while argument type as a swipe. The following code shows how to prevent toast close with mobile swipe.

The following sample demonstrates preventing toast close with mobile swipe element displaying with custom code blocks.

app.component.ts

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

@Component({
    selector: 'app-root',
    template: `
        <div id="toast_target"></div>
        <button ejs-button [isPrimary]="true" (click)="btnClick($event)">Show Toast</button>
        <ejs-toast #toastObj (created)="onCreate($event)" (beforeClose)="onBeforeClose($event)" [position] = 'position' >
            <ng-template #title>
                <div>Matt sent you a friend request</div>
            </ng-template>
            <ng-template #content>
                <div>Hey, wanna dress up as wizards and ride our hoverboards?</div>
            </ng-template>
        </ejs-toast>`
})

export class AppComponent {
    @ViewChild('toastObj') element: any;
    public position = { X: 'Right' };

    onCreate(args: any) {
      this.toastShow();
    }
    btnClick(args: any) {
      this.toastShow();
    }
    toastShow() {
          setTimeout(
        () => {
            this.element.show();
        }, 700);
    }
    onBeforeClose(e: any){
        if (e.type === "swipe") {
            e.cancel = true;
        }
    }
}

app.module.ts

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { ToastModule } from '@syncfusion/ej2-angular-notifications';
import { ButtonModule, CheckBoxModule , RadioButtonModule } from '@syncfusion/ej2-angular-buttons';
import { DropDownListModule } from '@syncfusion/ej2-angular-dropdowns';
import { DatePickerModule } from '@syncfusion/ej2-angular-calendars';
import { AppComponent } from './app.component';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, ToastModule, ButtonModule, CheckBoxModule , RadioButtonModule, DropDownListModule, DatePickerModule
    ],
    declarations: [AppComponent ],
    bootstrap: [AppComponent]
})
export class AppModule { }

main.ts

import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

import 'zone.js';
enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);