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Getting started with Angular ContextMenu component

This section explains how to create a simple ContextMenu, and demonstrate the basic usage of the ContextMenu component in an Angular environment.

Dependencies

The list of dependencies required to use the ContextMenu component in your application is given below:

|-- @syncfusion/ej2-angular-navigations
    |-- @syncfusion/ej2-angular-base
    |-- @syncfusion/ej2-navigations
        |-- @syncfusion/ej2-base
        |-- @syncfusion/ej2-data
        |-- @syncfusion/ej2-lists
        |-- @syncfusion/ej2-inputs
        |-- @syncfusion/ej2-splitbuttons
        |-- @syncfusion/ej2-popups
            |-- @syncfusion/ej2-buttons

Setup Angular environment

You can use Angular CLI to setup your Angular applications. To install Angular CLI use the following command.

npm install -g @angular/cli

Create an Angular application

Start a new Angular application using below Angular CLI command.

ng new my-app
cd my-app

Installing Syncfusion ContextMenu package

To install ContextMenu package, use the following command.

npm install @syncfusion/ej2-angular-navigations --save

The above package installs ContextMenu dependencies which are required to render the component in the Angular environment.

Adding ContextMenu module

Import ContextMenu module into Angular application(app.module.ts) from the package @syncfusion/ej2-angular-navigations.

import { NgModule }      from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';

// Imported Syncfusion contextmenu module from navigations package
import { ContextMenuModule } from '@syncfusion/ej2-angular-navigations';
import { AppComponent }  from './app.component';

@NgModule({
  imports:      [ BrowserModule, ContextMenuModule ], // Registering EJ2 ContextMenu Module
  declarations: [ AppComponent ],
  bootstrap:    [ AppComponent ]
})
export class AppModule { }

Adding Syncfusion ContextMenu component

Modify the template in app.component.ts file with ej-contextmenu to render the ContextMenu component and the option contains menuItems and target in which ContextMenu will be opened.

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

@Component({
  selector: 'app-root',
  template: `<!--target element-->
            <div id="target">Right click / Touch hold to open the ContextMenu</div>

            <!-- To Render ContextMenu. -->
            <ejs-contextmenu id='contextmenu' target='#target' [items]= 'menuItems'></ejs-contextmenu>`
})

export class AppComponent {
    public menuItems: MenuItemModel[] = [
    {
        text: 'Cut'
    },
    {
        text: 'Copy'
    },
    {
        text: 'Paste'
    }];
}

Adding CSS reference

Add ContextMenu component’s styles as given below in style.css.

@import "../node_modules/@syncfusion/ej2-navigations/styles/material.css";

/* Context Menu target */
#target {
    border: 1px dashed;
    height: 150px;
    padding: 10px;
    position: relative;
    text-align: justify;
    color: gray;
    user-select: none;
}

Running the application

Run the application in the browser using the following command:

ng serve

The following example shows a basic ContextMenu component.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component } from '@angular/core';
import { MenuItemModel } from '@syncfusion/ej2-navigations';

@Component({
  selector: 'app-root',
  template: `<!--target element-->
            <div id="target">Right click / Touch hold to open the ContextMenu</div>

            <!-- To Render ContextMenu. -->
            <ejs-contextmenu id='contextmenu' target='#target' [items]= 'menuItems'></ejs-contextmenu>`
})

export class AppComponent {
    public menuItems: MenuItemModel[] = [
    {
        text: 'Cut'
    },
    {
        text: 'Copy'
    },
    {
        text: 'Paste'
    }];
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { ContextMenuModule } from '@syncfusion/ej2-angular-navigations';
import { enableRipple } from '@syncfusion/ej2-base';

enableRipple(true);

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

Rendering items with Separator

The Separators are the horizontal lines used to separate the menu items. You cannot select the separators. You can enable separators to group the menu items using the separator property. Cut, Copy, and Paste menu items are grouped using separator property in the following sample.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component } from '@angular/core';
import { MenuItemModel } from '@syncfusion/ej2-navigations';

@Component({
  selector: 'app-root',
  template: `<div id="target">Right click / Touch hold to open the ContextMenu</div>
            <ejs-contextmenu id='contextmenu' target='#target' [items]= 'menuItems'></ejs-contextmenu>`
})

export class AppComponent {
    public menuItems: MenuItemModel[] = [
        {
            text: 'Cut'
        },
        {
            text: 'Copy'
        },
        {
            text: 'Paste'
        },
        {
            separator: true
        },
        {
            text: 'Font'
        },
        {
            text: 'Paragraph'
        }
        ];
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { ContextMenuModule } from '@syncfusion/ej2-angular-navigations';
import { enableRipple } from '@syncfusion/ej2-base';

enableRipple(true);

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

The separator property should not be given along with the other fields in the MenuItem.

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