c31704eb0e
Use original file bytes instead of saved PDF doc to preserve XFA streams. This ensures PDF.js can fully render XFA-based forms by also enabling the XFA flag in the viewer.
276 lines
7.7 KiB
HTML
276 lines
7.7 KiB
HTML
<!DOCTYPE html>
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<html dir="ltr" mozdisallowselectionprint>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
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<meta name="google" content="notranslate">
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<title>PDF Form Filler - Bento PDF</title>
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<link rel="stylesheet" href="pdf_viewer.css">
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<link rel="stylesheet" href="viewer.css">
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<style>
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body {
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margin: 0;
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padding: 0;
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font-family: sans-serif;
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background-color: #525252;
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}
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#viewerContainer {
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position: absolute;
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top: 0;
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right: 0;
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bottom: 0;
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left: 0;
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overflow: auto;
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background-color: #404040;
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}
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.toolbar {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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height: 48px;
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background-color: #323639;
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box-shadow: 0 1px 4px rgba(0,0,0,0.3);
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display: flex;
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align-items: center;
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padding: 0 10px;
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z-index: 1000;
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gap: 10px;
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}
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.toolbar button {
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background-color: rgba(255,255,255,0.1);
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border: none;
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color: #fff;
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padding: 8px 12px;
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cursor: pointer;
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border-radius: 4px;
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font-size: 13px;
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}
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.toolbar button:hover {
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background-color: rgba(255,255,255,0.2);
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}
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.toolbar button:disabled {
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opacity: 0.5;
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cursor: not-allowed;
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}
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.toolbar .page-info {
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color: #fff;
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font-size: 13px;
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margin: 0 10px;
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}
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.toolbar input[type="number"] {
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width: 60px;
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padding: 4px 8px;
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background-color: rgba(255,255,255,0.1);
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border: 1px solid rgba(255,255,255,0.2);
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color: #fff;
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border-radius: 4px;
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text-align: center;
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}
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#viewerContainer {
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top: 48px;
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}
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#viewer {
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padding-top: 20px;
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}
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.page {
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margin: 10px auto;
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border: 1px solid #999;
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box-shadow: 0 4px 10px rgba(0,0,0,0.5);
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}
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.toolbar .spacer {
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flex: 1;
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}
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.toolbar .zoom-controls {
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display: flex;
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gap: 5px;
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align-items: center;
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}
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.toolbar select {
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background-color: rgba(255,255,255,0.1);
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border: 1px solid rgba(255,255,255,0.2);
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color: #fff;
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padding: 6px 10px;
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border-radius: 4px;
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cursor: pointer;
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}
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.toolbar select option {
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background-color: #323639;
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color: #fff;
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}
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</style>
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</head>
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<body>
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<div class="toolbar">
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<button id="previousPage" title="Previous Page">‹</button>
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<input type="number" id="pageNumber" min="1" value="1">
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<span class="page-info">/ <span id="numPages">--</span></span>
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<button id="nextPage" title="Next Page">›</button>
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<div class="spacer"></div>
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<div class="zoom-controls">
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<button id="zoomOut" title="Zoom Out">−</button>
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<select id="scaleSelect">
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<option value="auto">Auto</option>
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<option value="page-fit">Fit Page</option>
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<option value="page-width">Fit Width</option>
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<option value="0.5">50%</option>
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<option value="0.75">75%</option>
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<option value="1" selected>100%</option>
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<option value="1.25">125%</option>
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<option value="1.5">150%</option>
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<option value="2">200%</option>
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</select>
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<button id="zoomIn" title="Zoom In">+</button>
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</div>
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<button id="download" title="Save & Download">Download</button>
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</div>
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<div id="viewerContainer">
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<div id="viewer" class="pdfViewer"></div>
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</div>
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<script type="module">
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import * as pdfjsLib from './pdf.mjs';
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import { EventBus, PDFViewer, PDFLinkService } from './pdf_viewer.mjs';
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pdfjsLib.GlobalWorkerOptions.workerSrc = './pdf.worker.mjs';
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const eventBus = new EventBus();
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const linkService = new PDFLinkService({ eventBus });
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const pdfViewer = new PDFViewer({
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container: document.getElementById('viewerContainer'),
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viewer: document.getElementById('viewer'),
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eventBus,
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linkService,
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enableScripting: true,
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enableXfa: true,
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renderer: 'canvas'
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});
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linkService.setViewer(pdfViewer);
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let pdfDocument = null;
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let currentScale = 1.0;
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// Listen for messages from parent window
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window.addEventListener('message', async (event) => {
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if (event.data.type === 'loadPDF') {
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const { data } = event.data;
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loadPDF(data);
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} else if (event.data.type === 'getData') {
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const pdfData = await getPDFData();
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window.parent.postMessage({ type: 'pdfData', data: pdfData }, '*');
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}
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});
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async function loadPDF(data) {
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try {
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const loadingTask = pdfjsLib.getDocument({
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data,
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enableXfa: true,
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});
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pdfDocument = await loadingTask.promise;
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pdfViewer.setDocument(pdfDocument);
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linkService.setDocument(pdfDocument);
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document.getElementById('numPages').textContent = pdfDocument.numPages;
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document.getElementById('pageNumber').max = pdfDocument.numPages;
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// Notify parent that PDF is loaded
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window.parent.postMessage({ type: 'pdfLoaded', numPages: pdfDocument.numPages }, '*');
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} catch (error) {
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console.error('Error loading PDF:', error);
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window.parent.postMessage({ type: 'error', message: error.message }, '*');
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}
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}
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async function getPDFData() {
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if (!pdfDocument) return null;
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// Get the PDF data with form fields filled
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const data = await pdfDocument.saveDocument();
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return data;
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}
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// Navigation controls
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document.getElementById('previousPage').addEventListener('click', () => {
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if (pdfViewer.currentPageNumber > 1) {
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pdfViewer.currentPageNumber--;
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}
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});
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document.getElementById('nextPage').addEventListener('click', () => {
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if (pdfViewer.currentPageNumber < pdfDocument?.numPages) {
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pdfViewer.currentPageNumber++;
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}
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});
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document.getElementById('pageNumber').addEventListener('change', (e) => {
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const pageNum = parseInt(e.target.value);
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if (pageNum >= 1 && pageNum <= pdfDocument?.numPages) {
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pdfViewer.currentPageNumber = pageNum;
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}
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});
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// Zoom controls
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document.getElementById('zoomIn').addEventListener('click', () => {
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currentScale = Math.min(currentScale + 0.1, 3.0);
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pdfViewer.currentScale = currentScale;
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document.getElementById('scaleSelect').value = currentScale.toFixed(2);
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});
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document.getElementById('zoomOut').addEventListener('click', () => {
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currentScale = Math.max(currentScale - 0.1, 0.1);
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pdfViewer.currentScale = currentScale;
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document.getElementById('scaleSelect').value = currentScale.toFixed(2);
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});
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document.getElementById('scaleSelect').addEventListener('change', (e) => {
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const value = e.target.value;
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if (value === 'auto' || value === 'page-fit' || value === 'page-width') {
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pdfViewer.currentScaleValue = value;
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} else {
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currentScale = parseFloat(value);
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pdfViewer.currentScale = currentScale;
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}
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});
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// Download button
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document.getElementById('download').addEventListener('click', async () => {
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const data = await getPDFData();
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if (data) {
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window.parent.postMessage({ type: 'downloadPDF', data: Array.from(data) }, '*');
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}
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});
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// Update page number display when page changes
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eventBus.on('pagechanging', (evt) => {
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document.getElementById('pageNumber').value = evt.pageNumber;
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document.getElementById('previousPage').disabled = evt.pageNumber <= 1;
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document.getElementById('nextPage').disabled = evt.pageNumber >= pdfDocument?.numPages;
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});
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// Notify parent that viewer is ready
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window.parent.postMessage({ type: 'viewerReady' }, '*');
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</script>
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</body>
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</html>
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