file-upload-website/upload.html at main · Mediles/file-upload-website · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>File Upload</title>
    <style>
        body {
            font-family: 'Arial', sans-serif;
            margin: 0;
            padding: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background: linear-gradient(135deg, #6a11cb, #2575fc);
            color: #fff;
        }

        .upload-container {
            background: rgba(255, 255, 255, 0.1);
            padding: 30px;
            border-radius: 15px;
            text-align: center;
            box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
            backdrop-filter: blur(10px);
            width: 300px;
        }

        h1 {
            margin-bottom: 20px;
            font-size: 24px;
        }

        button {
            background: #4caf50;
            border: none;
            color: white;
            padding: 12px 20px;
            font-size: 16px;
            border-radius: 8px;
            cursor: pointer;
            transition: transform 0.3s ease, background 0.3s ease;
        }

        button:hover {
            background: #45a049;
            transform: translateY(-2px);
        }

        input[type="file"] {
            display: none;
        }

        .drag-area {
            margin: 20px 0;
            padding: 20px;
            border: 2px dashed rgba(255, 255, 255, 0.5);
            border-radius: 10px;
            text-align: center;
            transition: border-color 0.3s ease;
        }

        .drag-area.drag-over {
            border-color: white;
        }

        #fileName {
            margin-top: 15px;
        }

        #preview {
            margin-top: 20px;
            display: none;
        }

        #preview img {
            max-width: 100%;
            border-radius: 10px;
        }

        #errorMessage {
            margin-top: 10px;
            color: #ff3333;
            display: none;
        }
    </style>
</head>
<body>
    <div class="upload-container">
        <h1>Upload Your File</h1>
        <button id="uploadButton">Choose File</button>
        <input type="file" id="fileInput">

        <div class="drag-area" id="dragArea">
            Drag & Drop Your File Here
        </div>

        <p id="fileName">No file selected</p>
        <p id="errorMessage">Invalid file type! Please upload a PNG.</p>

        <div id="preview">
            <h3>Preview:</h3>
            <img id="imagePreview" alt="Preview">
        </div>
    </div>

    <script>
        const uploadButton = document.getElementById('uploadButton');
        const fileInput = document.getElementById('fileInput');
        const fileNameDisplay = document.getElementById('fileName');
        const dragArea = document.getElementById('dragArea');
        const errorMessage = document.getElementById('errorMessage');
        const preview = document.getElementById('preview');
        const imagePreview = document.getElementById('imagePreview');

        // Trigger file input on button click
        uploadButton.addEventListener('click', () => {
            fileInput.click();
        });

        // Handle file selection
        fileInput.addEventListener('change', handleFile);

        // Drag-and-drop functionality
        dragArea.addEventListener('dragover', (e) => {
            e.preventDefault();
            dragArea.classList.add('drag-over');
        });

        dragArea.addEventListener('dragleave', () => {
            dragArea.classList.remove('drag-over');
        });

        dragArea.addEventListener('drop', (e) => {
            e.preventDefault();
            dragArea.classList.remove('drag-over');
            const file = e.dataTransfer.files[0];
            handleSelectedFile(file);
        });

        function handleFile(event) {
            const file = event.target.files[0];
            handleSelectedFile(file);
        }

        function handleSelectedFile(file) {
            if (file) {
                if (file.type === 'image/png') {
                    displayImage(file);
                    errorMessage.style.display = 'none';
                } else {
                    fileNameDisplay.textContent = 'No file selected';
                    errorMessage.style.display = 'block';
                    preview.style.display = 'none';
                }
            }
        }

        function displayImage(file) {
            fileNameDisplay.textContent = `Selected File: ${file.name}`;
            const reader = new FileReader();
            reader.onload = (e) => {
                imagePreview.src = e.target.result;
                preview.style.display = 'block';
            };
            reader.readAsDataURL(file);
        }
    </script>
</body>
</html>