Print Table

import * as XLSX from "xlsx"; import { PDFDocument, rgb, StandardFonts } from 'pdf-lib'; /** * Export JSON data to CSV * @param {Array} data - Array of objects to export * @param {string} fileName - File name without extension */ export const exportToCSV = (data, fileName = "data") => { const headers = Object.keys(data[0] || {}); const csvContent = [ headers.join(","), // header row ...data.map(row => headers.map(field => `"${row[field] ?? ""}"`).join(",")), ].join("\n"); const blob = new Blob([csvContent], { type: "text/csv;charset=utf-8;" }); const url = URL.createObjectURL(blob); const link = document.createElement("a"); link.href = url; link.setAttribute("download", `${fileName}.csv`); document.body.appendChild(link); link.click(); document.body.removeChild(link); }; /** * Export JSON data to Excel * @param {Array} data - Array of objects to export * @param {string} fileName - File name without extension */ export const exportToExcel = (data, fileName = "data") => { const ws = XLSX.utils.json_to_sheet(data); const wb = XLSX.utils.book_new(); XLSX.utils.book_append_sheet(wb, ws, "Sheet1"); XLSX.writeFile(wb, `${fileName}.xlsx`); }; /** * Export JSON data to PDF using pdf-lib * @param {Array} data - Array of objects to export * @param {string} fileName - File name for the PDF (optional) */ export const exportToPDF = async (data, fileName = "data", columns = null) => { if (!data || data.length === 0) return; const pdfDoc = await PDFDocument.create(); const font = await pdfDoc.embedFont(StandardFonts.Helvetica); // Landscape dimensions const pageWidth = 1000; // wider for more space const pageHeight = 600; let page = pdfDoc.addPage([pageWidth, pageHeight]); const margin = 30; let y = pageHeight - margin; const headers = columns || Object.keys(data[0]); const rowHeight = 25; // slightly taller rows for readability const columnSpacing = 150; // increase space between columns // Draw headers headers.forEach((header, i) => { page.drawText(header, { x: margin + i * columnSpacing, y, font, size: 12 }); }); y -= rowHeight; // Draw rows data.forEach(row => { headers.forEach((header, i) => { const text = row[header] ? row[header].toString() : ''; page.drawText(text, { x: margin + i * columnSpacing, y, font, size: 10 }); }); y -= rowHeight; if (y < margin) { page = pdfDoc.addPage([pageWidth, pageHeight]); // landscape for new page y = pageHeight - margin; } }); const pdfBytes = await pdfDoc.save(); const blob = new Blob([pdfBytes], { type: 'application/pdf' }); const link = document.createElement('a'); link.href = URL.createObjectURL(blob); link.download = `${fileName}.pdf`; link.click(); }; /** * Print the HTML table by accepting the table element or a reference. * @param {HTMLElement} table - The table element (or ref) to print */ export const printTable = (table) => { if (table) { const clone = table.cloneNode(true); // Remove last column (Actions) from all rows clone.querySelectorAll("tr").forEach((row) => { row.removeChild(row.lastElementChild); }); const newWindow = window.open("", "", "width=600,height=600"); newWindow.document.write("Print Table"); const style = document.createElement('style'); style.innerHTML = ` body { font-family: Arial, sans-serif; } table { border-collapse: collapse; width: 100%; } th, td { border: 1px solid #ddd; padding: 8px; text-align: left; } th { background-color: #f2f2f2; } `; newWindow.document.head.appendChild(style); newWindow.document.write(""); newWindow.document.write(clone.outerHTML); newWindow.document.write(""); newWindow.document.close(); newWindow.onload = () => { newWindow.print(); }; } };