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Create Modal Dialogs UI using React and Tailwind CSS

Last Updated : 26 Sep, 2024
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Modal dialogs are an essential part of modern web applications. They offer a user-friendly way to present information or collect input without navigating away from the current page. Modals typically appear as overlays which help focus the user's attention on specific tasks like forms or alerts and confirmations.

In this article, we will create a reusable modal dialog component in React styled with Tailwind CSS for a sleek and responsive design.

Prerequisites

Approach

To create modals like Alert, Confirmation, and Form Modals using React and Tailwind CSS, define a reusable Modal component that controls the modal's visibility and structure. Use Tailwind CSS for responsive and flexible styling, applying classes for layout, padding, and background opacity. Each specific modal (Alert, Confirmation, Form) can extend the base modal by passing different children components with the desired content and actions, such as buttons or forms. Use the React state to control when the modal opens and closes, ensuring a clean and reusable design for various modal types.

Steps To Create Modal Dialogs UI

Here, We will create a sample React JS project then we will install Tailwind CSS once it is completed we will start development for Modal Dialogs using React and Tailwind CSS. Below are the steps to create and configure the project:

Step 1: Set up a React Application

First, create a sample React JS application by using the mentioned command then navigate to the project folder

npx create-react-app react-app
cd react-app

Project Structure

Screenshot-2024-09-12-114329
project folder

Updated Dependencies

"dependencies": {
    "@testing-library/jest-dom": "^5.17.0",
    "@testing-library/react": "^13.4.0",
    "@testing-library/user-event": "^13.5.0",
    "react": "^18.3.1",
    "react-dom": "^18.3.1",
    "react-scripts": "5.0.1",
    "web-vitals": "^2.1.4"
  },
"devDependencies": {
    "autoprefixer": "^10.4.20",
    "postcss": "^8.4.47",
    "tailwindcss": "^3.4.13"
  }

Step 2: Install and Configure Tailwind CSS

Once Project is created successfully Now install and configure the Tailwind css by using below commands in your project.

npm install -D tailwindcss postcss autoprefixer
npx tailwindcss init -p

Step 3: Develop Business logic

Once Tailwind css installation and configuration is completed. Now we need develop user interface for Modal Dialogs using tailwind css and html. And it is responsive web page for this we use App.js and App.css files we provide that source code for your reference.

  • App.js
  • index.css
  • tailwind.config.js

Here we provide some common code for all types alerts. Those are index.css and tailwind.config.js

JavaScript 
/*src/tailwind.congif.js*/

/** @type {import('tailwindcss').Config} */
module.exports = {
    content: [
        "./src/**/*.{js,jsx,ts,tsx}",
    ],
    theme: {
        extend: {},
    },
    plugins: [],
}


Example 1: An alert modal is used to display a short message that requires acknowledgment. It often comes with a single OK button to dismiss the message.

JavaScript 
//App.js

import React, { useState } from 'react';

const Modal = ({ isOpen, onClose, children }) => {
    if (!isOpen) return null;

    return (
        <div className="fixed inset-0 flex
                        items-center justify-center
                        bg-black bg-opacity-50">
            <div className="bg-white rounded-lg
                            shadow-lg p-6 max-w-md
                            w-full relative">
                <button
                    className="absolute top-2 right-2
                               text-gray-500 hover:text-gray-700"
                    onClick={onClose}
                >
                    &#x2715; {/* Close button */}
                </button>
                {children}
            </div>
        </div>
    );
};

const AlertModal = ({ isOpen, onClose }) => {
    return (
        <Modal isOpen={isOpen} onClose={onClose}>
            <h2 className="text-lg font-bold">Alert</h2>
            <p className="text-gray-700">
                This is an important message.
                </p>
            <button
                className="mt-4 px-4 py-2
                           bg-blue-500 text-white
                           rounded-lg"
                onClick={onClose}
            >
                OK
            </button>
        </Modal>
    );
};

const App = () => {
    const [isModalOpen, setModalOpen] = useState(false);

    return (
        <div className="h-screen flex items-center
                        justify-center">
            <button
                className="px-4 py-2 bg-blue-500
                           text-white rounded-lg"
                onClick={() => setModalOpen(true)}
            >
                Show Alert
            </button>
            <AlertModal isOpen={isModalOpen} onClose={() => setModalOpen(false)} />
        </div>
    );
};

export default App;

Output:


Example 2: A confirmation modal asks the user to confirm or cancel an action. It usually contains Yes or No buttons or Confirm and Cancel.

JavaScript 
//App.js

import React, { useState } from 'react';

const Modal = ({ isOpen, onClose, children }) => {
    if (!isOpen) return null;

    return (
        <div className="fixed inset-0 flex
                        items-center justify-center
                        bg-black bg-opacity-50">
            <div className="bg-white rounded-lg
                            shadow-lg p-6 max-w-md
                            w-full relative">
                <button
                    className="absolute top-2 right-2
                               text-gray-500 hover:text-gray-700"
                    onClick={onClose}
                >
                    &#x2715; {/* Close button */}
                </button>
                {children}
            </div>
        </div>
    );
};

const ConfirmationModal = ({ isOpen, onClose, onConfirm }) => {
    return (
        <Modal isOpen={isOpen} onClose={onClose}>
            <h2 className="text-lg font-bold"> 
                Confirm Action
                </h2>
            <p className="text-gray-700">
                Are you sure you want to proceed?
                </p>
            <div className="flex justify-end
                            space-x-4 mt-4">
                <button
                    className="px-4 py-2 bg-gray-500
                               text-white rounded-lg"
                    onClick={onClose}
                >
                    Cancel
                </button>
                <button
                    className="px-4 py-2 bg-red-500
                               text-white rounded-lg"
                    onClick={onConfirm}
                >
                    Confirm
                </button>
            </div>
        </Modal>
    );
};

const App = () => {
    const [isModalOpen, setModalOpen] = useState(false);

    const handleConfirm = () => {
        alert("Action Confirmed!");
        setModalOpen(false);
    };

    return (
        <div className="h-screen flex items-center
                        justify-center">
            <button
                className="px-4 py-2 bg-blue-500
                           text-white rounded-lg"
                onClick={() => setModalOpen(true)}
            >
                Open Confirmation Modal
            </button>
            <ConfirmationModal
                isOpen={isModalOpen}
                onClose={() => setModalOpen(false)}
                onConfirm={handleConfirm}
            />
        </div>
    );
};

export default App;

Output:


Example 3: A form modal presents a form within the modal itself, allowing users to input and submit data without leaving the current page.

JavaScript 
//App.js

import React, { useState } from 'react';

const Modal = ({ isOpen, onClose, children }) => {
    if (!isOpen) return null;

    return (
        <div className="fixed inset-0 flex items-center
                        justify-center bg-black bg-opacity-50">
            <div className="bg-white rounded-lg
                            shadow-lg p-6 max-w-md
                            w-full relative">
                <button
                    className="absolute top-2
                               right-2 text-gray-500
                               hover:text-gray-700"
                    onClick={onClose}
                >
                    &#x2715; {/* Close button */}
                </button>
                {children}
            </div>
        </div>
    );
};

const FormModal = ({ isOpen, onClose, onSubmit }) => {
    const [formData, setFormData] = useState({ name: '', email: '' });

    const handleChange = (e) => {
        setFormData({ ...formData, [e.target.name]: e.target.value });
    };

    const handleSubmit = (e) => {
        e.preventDefault();
        onSubmit(formData);
        onClose();
    };

    return (
        <Modal isOpen={isOpen} onClose={onClose}>
            <h2 className="text-lg font-bold">Submit Your Details</h2>
            <form onSubmit={handleSubmit}>
                <div className="mb-4">
                    <label className="block text-sm">Name</label>
                    <input
                        className="w-full px-3 py-2
                                   border rounded-lg"
                        name="name"
                        value={formData.name}
                        onChange={handleChange}
                        required
                    />
                </div>
                <div className="mb-4">
                    <label className="block text-sm">Email</label>
                    <input
                        className="w-full px-3
                                   py-2 border rounded-lg"
                        name="email"
                        value={formData.email}
                        onChange={handleChange}
                        required
                    />
                </div>
                <button
                    type="submit"
                    className="px-4 py-2 bg-green-500
                               text-white rounded-lg"
                >
                    Submit
                </button>
            </form>
        </Modal>
    );
};

const App = () => {
    const [isModalOpen, setModalOpen] = useState(false);

    const handleSubmit = (data) => {
        alert(`Submitted: ${JSON.stringify(data)}`);
    };

    return (
        <div className="h-screen flex
                        items-center justify-center">
            <button
                className="px-4 py-2 bg-blue-500
                           text-white rounded-lg"
                onClick={() => setModalOpen(true)}
            >
                Open Form Modal
            </button>
            <FormModal
                isOpen={isModalOpen}
                onClose={() => setModalOpen(false)}
                onSubmit={handleSubmit}
            />
        </div>
    );
};

export default App;


Output:

Step 4: Run the Application

Once Development is completed Now we need run the react js application by using below command. By default the react js application run on port number 3000.

npm start

Output: Once Project is successfully running then open the below URL to test the output.

http://localhost:3000/

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