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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>PDF Editor with AI Assistant</title>
<script src="https://cdn.tailwindcss.com"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/2.11.338/pdf.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
<style>
.pdf-container {
height: calc(100vh - 180px);
overflow-y: auto;
border: 1px solid #e5e7eb;
}
.chat-container {
height: calc(100vh - 180px);
display: flex;
flex-direction: column;
}
.chat-messages {
flex-grow: 1;
overflow-y: auto;
}
.pdf-page {
margin-bottom: 20px;
box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}
.canvas-container {
position: relative;
}
.annotation-tools {
position: absolute;
top: 10px;
left: 10px;
background: white;
padding: 5px;
border-radius: 5px;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
display: none;
}
.active-tool {
background-color: #3b82f6;
color: white;
}
.loading-spinner {
border: 4px solid rgba(0, 0, 0, 0.1);
border-radius: 50%;
border-top: 4px solid #3b82f6;
width: 40px;
height: 40px;
animation: spin 1s linear infinite;
}
@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
.drawing-canvas {
position: absolute;
top: 0;
left: 0;
pointer-events: none;
}
</style>
</head>
<body class="bg-gray-50">
<div class="container mx-auto px-4 py-6">
<header class="mb-8">
<h1 class="text-3xl font-bold text-blue-600 flex items-center">
<i class="fas fa-file-pdf mr-3"></i> PDF Editor with AI Assistant
</h1>
<p class="text-gray-600 mt-2">Upload, edit, and chat with your PDF documents</p>
</header>
<!-- Upload Section -->
<div class="bg-white rounded-lg shadow-md p-6 mb-8" id="upload-section">
<div class="flex flex-col items-center justify-center border-2 border-dashed border-gray-300 rounded-lg p-12 bg-gray-50">
<i class="fas fa-file-upload text-5xl text-blue-400 mb-4"></i>
<h3 class="text-xl font-semibold text-gray-700 mb-2">Upload your PDF file</h3>
<p class="text-gray-500 mb-6">Drag & drop your file here or click to browse</p>
<input type="file" id="pdf-upload" accept=".pdf" class="hidden">
<button id="upload-btn" class="bg-blue-600 hover:bg-blue-700 text-white font-medium py-2 px-6 rounded-lg transition duration-200 flex items-center">
<i class="fas fa-folder-open mr-2"></i> Select PDF File
</button>
<p class="text-sm text-gray-500 mt-4">Supports PDF files up to 50MB</p>
</div>
</div>
<!-- Editor Section (hidden initially) -->
<div id="editor-section" class="hidden">
<div class="flex justify-between items-center mb-4">
<h2 class="text-xl font-semibold text-gray-800 flex items-center">
<i class="fas fa-edit mr-2"></i> PDF Editor
</h2>
<div class="flex space-x-2">
<button id="download-btn" class="bg-green-600 hover:bg-green-700 text-white font-medium py-2 px-4 rounded-lg transition duration-200 flex items-center">
<i class="fas fa-download mr-2"></i> Download
</button>
<button id="new-file-btn" class="bg-gray-200 hover:bg-gray-300 text-gray-800 font-medium py-2 px-4 rounded-lg transition duration-200 flex items-center">
<i class="fas fa-plus mr-2"></i> New File
</button>
</div>
</div>
<div class="flex flex-col lg:flex-row gap-6">
<!-- PDF Editor Column -->
<div class="w-full lg:w-2/3 bg-white rounded-lg shadow-md p-4">
<div class="flex items-center justify-between mb-4">
<div class="flex space-x-2">
<button id="highlight-btn" class="p-2 rounded-md hover:bg-gray-100" title="Highlight">
<i class="fas fa-highlighter text-yellow-500"></i>
</button>
<button id="underline-btn" class="p-2 rounded-md hover:bg-gray-100" title="Underline">
<i class="fas fa-underline text-blue-500"></i>
</button>
<button id="strike-btn" class="p-2 rounded-md hover:bg-gray-100" title="Strikethrough">
<i class="fas fa-strikethrough text-red-500"></i>
</button>
<button id="draw-btn" class="p-2 rounded-md hover:bg-gray-100" title="Draw">
<i class="fas fa-pen text-purple-500"></i>
</button>
<button id="text-btn" class="p-2 rounded-md hover:bg-gray-100" title="Add Text">
<i class="fas fa-font text-green-500"></i>
</button>
<button id="eraser-btn" class="p-2 rounded-md hover:bg-gray-100" title="Eraser">
<i class="fas fa-eraser text-gray-500"></i>
</button>
</div>
<div class="flex items-center space-x-2">
<button id="zoom-in" class="p-2 rounded-md hover:bg-gray-100">
<i class="fas fa-search-plus"></i>
</button>
<span id="zoom-level" class="text-sm font-medium">100%</span>
<button id="zoom-out" class="p-2 rounded-md hover:bg-gray-100">
<i class="fas fa-search-minus"></i>
</button>
</div>
</div>
<div class="pdf-container" id="pdf-viewer">
<div class="flex items-center justify-center h-full" id="pdf-loading">
<div class="text-center">
<div class="loading-spinner mx-auto mb-4"></div>
<p class="text-gray-600">Loading PDF document...</p>
</div>
</div>
</div>
</div>
<!-- Chat Assistant Column -->
<div class="w-full lg:w-1/3 bg-white rounded-lg shadow-md p-4">
<div class="flex items-center mb-4">
<div class="w-10 h-10 rounded-full bg-blue-100 flex items-center justify-center mr-3">
<i class="fas fa-robot text-blue-500"></i>
</div>
<h3 class="text-lg font-semibold text-gray-800">PDF Assistant</h3>
</div>
<div class="chat-container">
<div class="chat-messages" id="chat-messages">
<div class="bg-blue-50 rounded-lg p-4 mb-4">
<p class="text-gray-800">Hello! I'm your PDF assistant. Ask me anything about the document or request help with editing.</p>
</div>
</div>
<div class="mt-4">
<div class="flex items-center space-x-2 mb-2">
<button class="bg-gray-100 hover:bg-gray-200 text-gray-800 text-xs py-1 px-2 rounded">
Summarize
</button>
<button class="bg-gray-100 hover:bg-gray-200 text-gray-800 text-xs py-1 px-2 rounded">
Find key points
</button>
<button class="bg-gray-100 hover:bg-gray-200 text-gray-800 text-xs py-1 px-2 rounded">
Explain section
</button>
</div>
<div class="relative">
<textarea id="chat-input" rows="2" class="w-full border border-gray-300 rounded-lg p-3 pr-12 focus:ring-blue-500 focus:border-blue-500" placeholder="Ask about the document..."></textarea>
<button id="send-chat" class="absolute right-3 bottom-3 bg-blue-600 hover:bg-blue-700 text-white p-2 rounded-lg">
<i class="fas fa-paper-plane"></i>
</button>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<script>
// Set PDF.js worker path
pdfjsLib.GlobalWorkerOptions.workerSrc = 'https://cdnjs.cloudflare.com/ajax/libs/pdf.js/2.11.338/pdf.worker.min.js';
// DOM elements
const uploadSection = document.getElementById('upload-section');
const editorSection = document.getElementById('editor-section');
const pdfUpload = document.getElementById('pdf-upload');
const uploadBtn = document.getElementById('upload-btn');
const pdfViewer = document.getElementById('pdf-viewer');
const pdfLoading = document.getElementById('pdf-loading');
const zoomInBtn = document.getElementById('zoom-in');
const zoomOutBtn = document.getElementById('zoom-out');
const zoomLevel = document.getElementById('zoom-level');
const downloadBtn = document.getElementById('download-btn');
const newFileBtn = document.getElementById('new-file-btn');
const chatMessages = document.getElementById('chat-messages');
const chatInput = document.getElementById('chat-input');
const sendChatBtn = document.getElementById('send-chat');
const highlightBtn = document.getElementById('highlight-btn');
const underlineBtn = document.getElementById('underline-btn');
const strikeBtn = document.getElementById('strike-btn');
const drawBtn = document.getElementById('draw-btn');
const textBtn = document.getElementById('text-btn');
const eraserBtn = document.getElementById('eraser-btn');
// Variables
let pdfDoc = null;
let currentPage = 1;
let pageRendering = false;
let pageNumPending = null;
let scale = 1.0;
let canvas, ctx;
let isDrawing = false;
let activeTool = null;
let lastX = 0;
let lastY = 0;
let drawingCanvases = [];
// Event listeners
uploadBtn.addEventListener('click', () => pdfUpload.click());
pdfUpload.addEventListener('change', handleFileUpload);
zoomInBtn.addEventListener('click', zoomIn);
zoomOutBtn.addEventListener('click', zoomOut);
downloadBtn.addEventListener('click', downloadPDF);
newFileBtn.addEventListener('click', resetApp);
sendChatBtn.addEventListener('click', sendChatMessage);
chatInput.addEventListener('keypress', (e) => {
if (e.key === 'Enter' && !e.shiftKey) {
e.preventDefault();
sendChatMessage();
}
});
// Tool buttons
highlightBtn.addEventListener('click', () => setActiveTool('highlight'));
underlineBtn.addEventListener('click', () => setActiveTool('underline'));
strikeBtn.addEventListener('click', () => setActiveTool('strike'));
drawBtn.addEventListener('click', () => setActiveTool('draw'));
textBtn.addEventListener('click', () => setActiveTool('text'));
eraserBtn.addEventListener('click', () => setActiveTool('eraser'));
// Handle file upload
function handleFileUpload(e) {
const file = e.target.files[0];
if (file.type !== 'application/pdf') {
alert('Please select a PDF file.');
return;
}
uploadSection.classList.add('hidden');
editorSection.classList.remove('hidden');
const fileReader = new FileReader();
fileReader.onload = function() {
const typedarray = new Uint8Array(this.result);
loadPDF(typedarray);
};
fileReader.readAsArrayBuffer(file);
}
// Load PDF document
function loadPDF(data) {
pdfLoading.style.display = 'flex';
pdfViewer.innerHTML = '';
pdfViewer.appendChild(pdfLoading);
pdfjsLib.getDocument(data).promise.then(function(pdf) {
pdfDoc = pdf;
renderPDF();
}).catch(function(error) {
console.error('Error loading PDF:', error);
pdfLoading.querySelector('p').textContent = 'Error loading PDF. Please try another file.';
});
}
// Render PDF pages
function renderPDF() {
pdfLoading.style.display = 'none';
for (let i = 1; i <= pdfDoc.numPages; i++) {
const pageContainer = document.createElement('div');
pageContainer.className = 'pdf-page';
pageContainer.id = `page-${i}`;
const canvasContainer = document.createElement('div');
canvasContainer.className = 'canvas-container relative';
const annotationTools = document.createElement('div');
annotationTools.className = 'annotation-tools';
annotationTools.id = `tools-${i}`;
annotationTools.innerHTML = `
<button class="p-1 hover:bg-gray-100 rounded" data-tool="highlight"><i class="fas fa-highlighter text-yellow-500"></i></button>
<button class="p-1 hover:bg-gray-100 rounded" data-tool="underline"><i class="fas fa-underline text-blue-500"></i></button>
<button class="p-1 hover:bg-gray-100 rounded" data-tool="strike"><i class="fas fa-strikethrough text-red-500"></i></button>
`;
canvas = document.createElement('canvas');
canvas.className = 'pdf-canvas border border-gray-200';
canvas.id = `canvas-${i}`;
const drawingCanvas = document.createElement('canvas');
drawingCanvas.className = 'drawing-canvas';
drawingCanvas.id = `drawing-${i}`;
drawingCanvases.push(drawingCanvas);
canvasContainer.appendChild(canvas);
canvasContainer.appendChild(drawingCanvas);
canvasContainer.appendChild(annotationTools);
pageContainer.appendChild(canvasContainer);
pdfViewer.appendChild(pageContainer);
renderPage(i);
}
// Set up drawing canvases
setupDrawingCanvases();
}
// Render a specific page
function renderPage(num) {
pageRendering = true;
pdfDoc.getPage(num).then(function(page) {
const viewport = page.getViewport({ scale: scale });
const canvas = document.getElementById(`canvas-${num}`);
const context = canvas.getContext('2d');
canvas.height = viewport.height;
canvas.width = viewport.width;
// Adjust drawing canvas size
const drawingCanvas = document.getElementById(`drawing-${num}`);
drawingCanvas.height = viewport.height;
drawingCanvas.width = viewport.width;
const renderContext = {
canvasContext: context,
viewport: viewport
};
const renderTask = page.render(renderContext);
renderTask.promise.then(function() {
pageRendering = false;
if (pageNumPending !== null) {
renderPage(pageNumPending);
pageNumPending = null;
}
});
});
currentPage = num;
}
// Zoom functions
function zoomIn() {
if (scale >= 3.0) return;
scale += 0.25;
zoomLevel.textContent = `${Math.round(scale * 100)}%`;
rerenderPDF();
}
function zoomOut() {
if (scale <= 0.5) return;
scale -= 0.25;
zoomLevel.textContent = `${Math.round(scale * 100)}%`;
rerenderPDF();
}
function rerenderPDF() {
if (pageRendering) {
pageNumPending = currentPage;
} else {
for (let i = 1; i <= pdfDoc.numPages; i++) {
renderPage(i);
}
}
}
// Set up drawing canvases
function setupDrawingCanvases() {
drawingCanvases.forEach(drawingCanvas => {
const ctx = drawingCanvas.getContext('2d');
drawingCanvas.addEventListener('mousedown', startDrawing);
drawingCanvas.addEventListener('mousemove', draw);
drawingCanvas.addEventListener('mouseup', stopDrawing);
drawingCanvas.addEventListener('mouseout', stopDrawing);
function startDrawing(e) {
if (activeTool !== 'draw') return;
isDrawing = true;
const rect = drawingCanvas.getBoundingClientRect();
lastX = e.clientX - rect.left;
lastY = e.clientY - rect.top;
ctx.beginPath();
ctx.moveTo(lastX, lastY);
ctx.strokeStyle = '#3b82f6';
ctx.lineWidth = 2;
ctx.lineCap = 'round';
}
function draw(e) {
if (!isDrawing || activeTool !== 'draw') return;
const rect = drawingCanvas.getBoundingClientRect();
const currentX = e.clientX - rect.left;
const currentY = e.clientY - rect.top;
ctx.lineTo(currentX, currentY);
ctx.stroke();
lastX = currentX;
lastY = currentY;
}
function stopDrawing() {
isDrawing = false;
}
});
}
// Set active tool
function setActiveTool(tool) {
activeTool = tool;
// Reset all tool buttons
[highlightBtn, underlineBtn, strikeBtn, drawBtn, textBtn, eraserBtn].forEach(btn => {
btn.classList.remove('active-tool');
});
// Highlight active tool
switch(tool) {
case 'highlight':
highlightBtn.classList.add('active-tool');
break;
case 'underline':
underlineBtn.classList.add('active-tool');
break;
case 'strike':
strikeBtn.classList.add('active-tool');
break;
case 'draw':
drawBtn.classList.add('active-tool');
break;
case 'text':
textBtn.classList.add('active-tool');
break;
case 'eraser':
eraserBtn.classList.add('active-tool');
break;
}
}
// Chat functions
function sendChatMessage() {
const message = chatInput.value.trim();
if (!message) return;
// Add user message to chat
addChatMessage(message, 'user');
// Simulate AI response (in a real app, this would call an API)
setTimeout(() => {
const responses = [
"Based on the document, the key points are...",
"The summary of section 3 is...",
"This document primarily discusses...",
"I've analyzed the content and found that...",
"The author's main argument appears to be..."
];
const randomResponse = responses[Math.floor(Math.random() * responses.length)];
addChatMessage(randomResponse, 'ai');
}, 1000);
chatInput.value = '';
}
function addChatMessage(message, sender) {
const messageDiv = document.createElement('div');
messageDiv.className = `mb-4 ${sender === 'user' ? 'text-right' : 'text-left'}`;
const bubble = document.createElement('div');
bubble.className = `inline-block rounded-lg p-3 max-w-xs lg:max-w-md ${sender === 'user' ? 'bg-blue-600 text-white' : 'bg-gray-100 text-gray-800'}`;
bubble.textContent = message;
messageDiv.appendChild(bubble);
chatMessages.appendChild(messageDiv);
// Scroll to bottom
chatMessages.scrollTop = chatMessages.scrollHeight;
}
// Download PDF (simplified - in a real app, you'd need to merge annotations)
function downloadPDF() {
alert('In a real application, this would download the edited PDF with all annotations.');
}
// Reset app to initial state
function resetApp() {
pdfUpload.value = '';
pdfViewer.innerHTML = '';
pdfViewer.appendChild(pdfLoading);
pdfLoading.style.display = 'flex';
pdfLoading.querySelector('p').textContent = 'Loading PDF document...';
chatMessages.innerHTML = `
<div class="bg-blue-50 rounded-lg p-4 mb-4">
<p class="text-gray-800">Hello! I'm your PDF assistant. Ask me anything about the document or request help with editing.</p>
</div>
`;
editorSection.classList.add('hidden');
uploadSection.classList.remove('hidden');
scale = 1.0;
zoomLevel.textContent = '100%';
activeTool = null;
drawingCanvases = [];
}
</script>
<p style="border-radius: 8px; text-align: center; font-size: 12px; color: #fff; margin-top: 16px;position: fixed; left: 8px; bottom: 8px; z-index: 10; background: rgba(0, 0, 0, 0.8); padding: 4px 8px;">Made with <img src="https://enzostvs-deepsite.hf.space/logo.svg" alt="DeepSite Logo" style="width: 16px; height: 16px; vertical-align: middle;display:inline-block;margin-right:3px;filter:brightness(0) invert(1);"><a href="https://enzostvs-deepsite.hf.space" style="color: #fff;text-decoration: underline;" target="_blank" >DeepSite</a> - 🧬 <a href="https://enzostvs-deepsite.hf.space?remix=luanngo/chatpdf" style="color: #fff;text-decoration: underline;" target="_blank" >Remix</a></p></body>
</html>