Accessibility in React Context menu component

30 Jan 20237 minutes to read

ARIA attributes

The web accessibility makes web content and web applications more accessible for people with disabilities. It especially helps in dynamic content change and development of advanced user interface controls with AJAX, HTML, JavaScript, and related technologies. ContextMenu provides built-in compliance with WAI-ARIA specifications. WAI-ARIA support is achieved through the attributes like aria-expanded, aria-haspopup applied for menu item in ContextMenu. It helps the people with disabilities by providing information about the widget for assistive technology in the screen readers. ContextMenu component contains the menu role and menuItem role.

Properties Functionality
menu This role will be specified for an item which have sub menu.
menuItem This role will be specified for an item which do not have sub menus.
aria-haspopup Indicates the availability and type of interactive popup element.
aria-expanded Indicates whether the subtree can be expanded or collapsed, as well as whether its current state is expanded or collapsed.

Keyboard interaction

Keyboard shortcuts Actions
Esc Closes the opened ContextMenu.
Enter Selects the focused item.
Up Navigates up or to the previous menu item.
Down Navigates down or to the next menu item.
Left Close the current sub menu and navigates to parent menu..
Right Navigates and open the next sub menu. 
import { enableRipple } from '@syncfusion/ej2-base';
import { ContextMenuComponent } from '@syncfusion/ej2-react-navigations';
import * as React from 'react';
import * as ReactDom from 'react-dom';
enableRipple(true);
function App() {
    let cmenu;
    let menuItems = [
        {
            iconCss: 'e-menu-icons e-cut',
            text: 'Cut'
        },
        {
            iconCss: 'e-icons e-copy',
            text: 'Copy'
        },
        {
            iconCss: 'e-menu-icons e-paste',
            items: [
                {
                    iconCss: 'e-cm-icons e-pastetext',
                    text: 'Paste Text',
                },
                {
                    iconCss: 'e-cm-icons e-pastespecial',
                    text: 'Paste Special'
                }
            ],
            text: 'Paste'
        }
    ];
    function onCreated() {
        cmenu.open(40, 20);
    }
    return (<div className="container">
        <div id='target'>Right click / Touch hold to open the ContextMenu</div>
        <ContextMenuComponent ref={(scope) => cmenu = scope} id='contextmenu' items={menuItems} created={onCreated}/>
      </div>);
}
export default App;
ReactDom.render(<App />, document.getElementById('element'));
import { enableRipple } from '@syncfusion/ej2-base';
import { ContextMenuComponent, MenuItemModel } from '@syncfusion/ej2-react-navigations';
import * as React from 'react';
import * as ReactDom from 'react-dom';

enableRipple(true);

function App() {
    let cmenu: ContextMenuComponent;
    let menuItems: MenuItemModel[] = [
      {
        iconCss: 'e-menu-icons e-cut',
        text: 'Cut'
      },
      {
        iconCss: 'e-icons e-copy',
        text: 'Copy'
      },
      {
          iconCss: 'e-menu-icons e-paste',
          items: [
              {
                iconCss: 'e-cm-icons e-pastetext',
                text: 'Paste Text',
              },
              {
                iconCss: 'e-cm-icons e-pastespecial',
                text: 'Paste Special'
              }
          ],
          text: 'Paste'
      }];
    function onCreated(){
      cmenu.open(40, 20);
    }
  
    return (
      <div className="container">
        <div id='target'>Right click / Touch hold to open the ContextMenu</div>
        <ContextMenuComponent ref= {(scope) => cmenu = scope as ContextMenuComponent} id='contextmenu' items={menuItems} created={onCreated}/>
      </div>
    );
  }
export default App;  
ReactDom.render(<App />,document.getElementById('element'));