Scrollable ContextMenu in React ContextMenu component

14 Apr 2021 / 1 minute to read

Scrollable ContextMenu can be achieved by restricting the height of the ul element.

In the following example, the height of the ContextMenu is set as 150px and overflow property is set as auto.

Source

Preview

index.tsx

index.html

index.css

index.jsx

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);

class App extends React.Component<{}, {}> {
    public menuItems: MenuItemModel[] = [
        { text: 'ABS' },
        { text: 'ACOS' },
        { text: 'ACOSH' },
        { text: 'ACOT' },
        { text: 'ACOTH' },
        { text: 'AGGREGATE' },
        { text: 'COS' },
        { text: 'COSH' },
        { text: 'COT' },
        { text: 'COTH' }
    ];

    public render() {
        return (
            <div className="container">
                <div id='target'>Right click / Touch hold to open the ContextMenu</div>
                <ContextMenuComponent id='contextmenu' target='#target' cssClass='e-custom' items={this.menuItems} />
            </div>
        );
    }
}

ReactDom.render(<App />,document.getElementById('element'));

<!DOCTYPE html>
<html lang="en">

<head>
    <title>Syncfusion React ContextMenu</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 for React Components" />
    <meta name="author" content="Syncfusion" />
    <link href="//cdn.syncfusion.com/ej2/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-lists/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-inputs/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-navigations/styles/material.css" rel="stylesheet" />
    <link href="index.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-buttons/styles/button/material.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>

<body>
    <div id='element'>
        <div id='loader'>Loading....</div>
    </div>
</body>

</html>

#loader {
  color: #008cff;
  height: 40px;
  left: 45%;
  position: absolute;
  top: 45%;
  width: 30%;
}

#container {
  visibility: hidden;
}

.e-custom ul {
  height: 150px;
  overflow: auto;
}
#target {
	border: 1px dashed;
	height: 150px;
	padding: 10px;
	position: relative;
	text-align: justify;
	color: gray;
	user-select: none;
}

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);
class App extends React.Component {
    constructor() {
        super(...arguments);
        this.menuItems = [
            { text: 'ABS' },
            { text: 'ACOS' },
            { text: 'ACOSH' },
            { text: 'ACOT' },
            { text: 'ACOTH' },
            { text: 'AGGREGATE' },
            { text: 'COS' },
            { text: 'COSH' },
            { text: 'COT' },
            { text: 'COTH' }
        ];
    }
    render() {
        return (<div className="container">
                <div id='target'>Right click / Touch hold to open the ContextMenu</div>
                <ContextMenuComponent id='contextmenu' target='#target' cssClass='e-custom' items={this.menuItems}/>
            </div>);
    }
}
ReactDom.render(<App />, document.getElementById('element'));