Open and close ContextMenu in Angular ContextMenu component

22 Jul 2021 / 1 minute to read

Open and close the ContextMenu manually whenever required by using open and close methods.

In the following sample, the ContextMenu is opened using the open method at the specified position with X and Y coordinates and to close the ContextMenu, close method is called internally on ContextMenu item click or document click.

Source

Preview

app.component.ts

app.module.ts

main.ts

import { Component } from '@angular/core';
import { getInstance } from '@syncfusion/ej2-base';
import { MenuItemModel, ContextMenu } from '@syncfusion/ej2-navigations';

@Component({
  selector: 'app-root',
  template: `<!-- To Render ContextMenu. -->
            <ejs-contextmenu id='contextmenu' [items]= 'menuItems'></ejs-contextmenu>
            <!-- To Render Button. -->
            <button ejs-button (click)="btnClick()">Open ContextMenu</button>`,
})

export class AppComponent  {
    // Initialize action items.
    public menuItems: MenuItemModel[] = [
        {
            text: 'Cut'
        },
        {
            text: 'Copy'
        },
        {
            text: 'Paste'
        }];

    btnClick() {
        let contextmenuObj: ContextMenu = getInstance(document.getElementById("contextmenu_0"), ContextMenu) as ContextMenu;
        contextmenuObj.open(40, 20);
    }
}

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { ContextMenuModule } from '@syncfusion/ej2-angular-navigations';
import { ButtonModule } from '@syncfusion/ej2-angular-buttons';
import { enableRipple } from '@syncfusion/ej2-base';

enableRipple(true);

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule,
        ContextMenuModule,
        ButtonModule
    ],
    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);