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Open a dialog on ContextMenu item click in React ContextMenu component

03 Aug 2021 / 2 minutes to read

This section explains about how to open a dialog on ContextMenu item click. This can be achieved by handling dialog open in select event of the ContextMenu.

In the following sample, Dialog will open while clicking Save As... item:

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index.tsx
index.html
index.css
index.jsx
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import { ContextMenuComponent, MenuEventArgs, MenuItemModel } from '@syncfusion/ej2-react-navigations';
import { DialogComponent } from '@syncfusion/ej2-react-popups';
import * as React from 'react';
import * as ReactDom from 'react-dom';

class App extends React.Component {
    public dialogInstance: DialogComponent;
    public position: any = { X: 100, Y: 100 };
    public visible: boolean = false;
    public buttons: any = [{
        buttonModel: {
            content: 'Submit',
            cssClass: 'e-flat',
            isPrimary: true
        },
        'click': () => {
            this.hide();
        }
    }];
    private menuItems: MenuItemModel[] = [
        {
            text: 'Back'
        },
        {
            text: 'Forward'
        },
        {
            text: 'Reload'
        },
        {
            separator: true
        },
        {
            text: 'Save As...'
        },
        {
            text: 'Print'
        },
        {
            text: 'Cast'
        }];
    constructor(props: any) {
        super(props);
        this.select = this.select.bind(this);
    }
    public hide (): void {
        this.dialogInstance.hide();
    }
    public select: any = (args: MenuEventArgs) => {
        if (args.item.text === 'Save As...') {
            this.dialogInstance.show();
        }
    }
    public render() {
        return (
            <div className="container">
                <div id='target'>Right click / Touch hold to open the ContextMenu</div>
                <DialogComponent width='200px' height='110px' content='This file can be saved as PDF' buttons={this.buttons} visible={this.visible} position={this.position} ref={dialog => this.dialogInstance = dialog as DialogComponent} />
                <ContextMenuComponent id='contextmenu' target='#target' items={this.menuItems} select={this.select}/>
            </div>
        );
    }
}

ReactDom.render(<App />,document.getElementById('element'));
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<!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" />
    <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>
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#loader {
	color: #008cff;
	height: 40px;
	left: 45%;
	position: absolute;
	top: 45%;
	width: 30%;
}

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

#target {
  border: 1px dashed;
  height: 150px;
  padding: 10px;
  position: relative;
  text-align: justify;
  color: gray;
  user-select: none;
}
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import { ContextMenuComponent } from '@syncfusion/ej2-react-navigations';
import { DialogComponent } from '@syncfusion/ej2-react-popups';
import * as React from 'react';
import * as ReactDom from 'react-dom';
class App extends React.Component {
    constructor(props) {
        super(props);
        this.position = { X: 100, Y: 100 };
        this.visible = false;
        this.buttons = [{
                buttonModel: {
                    content: 'Submit',
                    cssClass: 'e-flat',
                    isPrimary: true
                },
                'click': () => {
                    this.hide();
                }
            }];
        this.menuItems = [
            {
                text: 'Back'
            },
            {
                text: 'Forward'
            },
            {
                text: 'Reload'
            },
            {
                separator: true
            },
            {
                text: 'Save As...'
            },
            {
                text: 'Print'
            },
            {
                text: 'Cast'
            }
        ];
        this.select = (args) => {
            if (args.item.text === 'Save As...') {
                this.dialogInstance.show();
            }
        };
        this.select = this.select.bind(this);
    }
    hide() {
        this.dialogInstance.hide();
    }
    render() {
        return (<div className="container">
                <div id='target'>Right click / Touch hold to open the ContextMenu</div>
                <DialogComponent width='200px' height='110px' content='This file can be saved as PDF' buttons={this.buttons} visible={this.visible} position={this.position} ref={dialog => this.dialogInstance = dialog}/>
                <ContextMenuComponent id='contextmenu' target='#target' items={this.menuItems} select={this.select}/>
            </div>);
    }
}
ReactDom.render(<App />, document.getElementById('element'));
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