Group popup items with listview component in Angular Drop down button component

27 Apr 20243 minutes to read

Header in popup items is possible in DropdownButton by templating entire popup with ListView. Create ListView with id listview and provide it as a target for DropDownButton.

In the following example, ListView element is given as target to DropDownButton and header can be achieved by groupBy property.

app.component.ts

import { NgModule } from '@angular/core'
import { BrowserModule } from '@angular/platform-browser'
import { DropDownButtonModule } from '@syncfusion/ej2-angular-splitbuttons'
import { enableRipple } from '@syncfusion/ej2-base'
import { ListViewModule } from '@syncfusion/ej2-angular-lists'



import { Component } from '@angular/core';
import { ItemModel } from '@syncfusion/ej2-angular-splitbuttons';

@Component({
imports: [
        
        ListViewModule,
        DropDownButtonModule
    ],


standalone: true,
    selector: 'app-root',
    template: `<div class="e-section-control">
                <!-- To render ListView. -->
               <ejs-listview id='listview' [dataSource]='data' [fields]='field' showCheckBox='true'></ejs-listview>
               <!-- To render DropDownButton. -->
               <button ejs-dropdownbutton target='#listview' iconCss='e-icons e-down' cssClass='e-caret-hide'></button>
               </div>`
})

export class AppComponent {
   // Initialize action items.
   public items: ItemModel[] = [
        {
            text: 'Cut'
        },
        {
            text: 'Copy'
        },
        {
            text: 'Paste'
        }];
  // Datasource for listview.
  public data: Object = [
    { class: 'data', text: 'Print', id: 'data1', category: 'Customize Quick Access Toolbar' },
    { class: 'data', text: 'Save As', id: 'data2', category: 'Customize Quick Access Toolbar' },
    { class: 'data', text: 'Update Folder', id: 'data3', category: 'Customize Quick Access Toolbar' },
    { class: 'data', text: 'Reply', id: 'data4', category: 'Customize Quick Access Toolbar' }
];

  public field: Object = { text: 'text', groupBy: 'category' };

}

main.ts

import { bootstrapApplication } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import 'zone.js';
bootstrapApplication(AppComponent).catch((err) => console.error(err));