/**
* Initializes and configures the PDF viewer with advanced table extraction capabilities
* @param {string} selector - CSS selector for the viewer container element
* @param {string} pdfUrlToOpen - URL/path of the PDF document to load
*/
function loadPdfViewer(selector, pdfUrlToOpen) {
// Initialize viewer with support API configuration
const viewer = new DsPdfViewer(selector, {
supportApi: getSupportApiSettings()
});
// Configure table extraction with advanced settings
viewer.options.tableDataExtraction = {
// Export format restrictions (TSV and HTML only)
allowedExportFormats: ['tsv', 'html'],
// Extraction algorithm parameters
extractOptions: {
/**
* Whether to include invisible text in extraction
* (text that is neither filled nor stroked)
* @default true
*/
IncludeInvisibleText: false,
/**
* The similarity coefficient for value comparison during table extraction
* - Default: 0.25
* - Lower values = values must be more similar to match
* - Higher values = more tolerant to differences
*/
CoefPrecision: 0.9
},
// Visual editor customization
appearance: {
visualEditor: {
lineColor: "#4CAF50", // Green grid lines
selectionAreaColor: "rgba(76, 175, 80, 0.2)", // Light green highlight
emptyCellColor: "rgba(76, 175, 80, 0.9)", // Red highlight for empty cells
cssText: `
.extracted-table-editor .table-cell {
background: rgba(100, 255, 0, 0.2); // Dark background
opacity: 0.1;
}
`,
selectionAreaOpacity: 1.0 // Full opacity for selection
}
}
};
// Set up table extraction interface
const panelHandle = viewer.addTableExtractionPanel();
viewer.expandPanel(panelHandle);
viewer.addDefaultPanels();
// Load document and perform initial extraction
viewer.open(pdfUrlToOpen).then(function() {
viewer.zoomMode = 1; // Set to fit-page view
/**
* Predefined selection area for table extraction
* @type {number[]} selectionBounds - Array of coordinates [x1, y1, x2, y2] where:
* - x1, y1: Bottom-left corner (PDF points)
* - x2, y2: Top-right corner (PDF points)
* 72 points = 1 inch
*/
const selectionBounds = [
29.26, // Left boundary
334.33, // Bottom boundary
688.92, // Right boundary
490.81 // Top boundary
];
// Extract table data from first page (page index 0)
viewer.tableDataExtractor.extractTableData(0, selectionBounds);
});
}
// Initialize viewer when window loads
window.onload = function() {
// Uncomment to set license key:
// DsPdfViewer.LicenseKey = "your_license_key_here";
// Path to demo PDF document
const demoPdfPath = "/document-solutions/javascript-pdf-viewer/demos/product-bundles/assets/pdf/table-data-one-page.pdf";
loadPdfViewer("#viewer", demoPdfPath);
}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Table Data Extractor Styling.</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="./src/styles.css">
<script src="/document-solutions/javascript-pdf-viewer/demos/product-bundles/build/dspdfviewer.js"></script>
<script src="/document-solutions/javascript-pdf-viewer/demos/product-bundles/build/wasmSupportApi.js"></script>
<script src="/document-solutions/javascript-pdf-viewer/demos/resource/js/init.js"></script>
<script src="./src/app.js"></script>
</head>
<body>
<div id="viewer"></div>
</body>
</html>
#viewer {
height: 100%;
}
