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.
import { Component } from '@angular/core';
import { ItemModel } from '@syncfusion/ej2-angular-splitbuttons';
@Component({
selector: 'app-root',
template: `<!-- 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>`
})
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' };
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { DropDownButtonModule } from '@syncfusion/ej2-angular-splitbuttons';
import { AppComponent } from './app.component';
import { enableRipple } from '@syncfusion/ej2-base';
import { ListViewModule } from '@syncfusion/ej2-angular-lists';
enableRipple(true);
/**
* Module
*/
@NgModule({
imports: [
BrowserModule,
ListViewModule,
DropDownButtonModule
],
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);
#loader {
color: #008cff;
height: 40px;
width: 30%;
position: absolute;
font-family: 'Helvetica Neue','calibiri';
font-size:16px;
top: 45%;
left: 45%;
}
#listview {
display: block;
max-width: 400px;
margin: auto;
border: 1px solid #dddddd;
border-radius: 3px;
}
.e-down::before {
content: '\e969';
}