Files
quality_recticel/py_app/chrome_extension/content.js
2025-10-05 14:32:47 -04:00

301 lines
9.0 KiB
JavaScript
Executable File

// Content script for Quality Recticel Print Helper
console.log('Quality Recticel Print Helper - Content script loaded');
// Check if we're on the print module page
if (window.location.pathname.includes('print_module')) {
console.log('Print module page detected, initializing extension features');
// Wait for DOM to be ready
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', initializePrintExtension);
} else {
initializePrintExtension();
}
}
function initializePrintExtension() {
console.log('Initializing print extension features');
// Add extension status indicator
addExtensionStatusIndicator();
// Override the print button functionality
overridePrintButton();
// Add printer selection dropdown
addPrinterSelection();
// Check extension status
checkExtensionStatus();
}
function addExtensionStatusIndicator() {
// Detect browser type
const browserType = getBrowserType();
// Create status indicator element
const statusIndicator = document.createElement('div');
statusIndicator.id = 'extension-status';
statusIndicator.style.cssText = `
position: fixed;
top: 10px;
right: 10px;
background: ${browserType === 'chrome' ? '#28a745' : '#ffc107'};
color: ${browserType === 'chrome' ? 'white' : 'black'};
padding: 8px 12px;
border-radius: 4px;
font-size: 12px;
z-index: 9999;
box-shadow: 0 2px 4px rgba(0,0,0,0.2);
max-width: 250px;
`;
if (browserType === 'chrome') {
statusIndicator.textContent = '🖨️ Print Extension Active (Direct Print Available)';
} else {
statusIndicator.innerHTML = `🖨️ Print Extension Active<br><small>${browserType.toUpperCase()} - Browser Print Mode</small>`;
}
document.body.appendChild(statusIndicator);
// Hide after 4 seconds (longer for non-Chrome browsers)
setTimeout(() => {
statusIndicator.style.opacity = '0';
statusIndicator.style.transition = 'opacity 0.5s';
setTimeout(() => statusIndicator.remove(), 500);
}, browserType === 'chrome' ? 3000 : 5000);
}
// Detect browser type
function getBrowserType() {
const userAgent = navigator.userAgent.toLowerCase();
if (userAgent.includes('edg/')) return 'edge';
if (userAgent.includes('brave')) return 'brave';
if (userAgent.includes('chrome') && !userAgent.includes('edg/')) return 'chrome';
return 'chromium';
}
function overridePrintButton() {
// Find the print button
const printButton = document.getElementById('print-label-btn');
if (printButton) {
console.log('Found print button, overriding functionality');
// Remove existing event listeners by cloning the element
const newPrintButton = printButton.cloneNode(true);
printButton.parentNode.replaceChild(newPrintButton, printButton);
// Add new event listener for extension printing
newPrintButton.addEventListener('click', handleExtensionPrint);
// Update button text based on browser capabilities
const browserType = getBrowserType();
if (browserType === 'chrome') {
newPrintButton.innerHTML = '🖨️ Print Direct';
newPrintButton.title = 'Print directly to default printer (Chrome Extension)';
} else {
newPrintButton.innerHTML = '🖨️ Print Enhanced';
newPrintButton.title = `Enhanced printing for ${browserType.toUpperCase()} browser - Opens optimized print dialog`;
}
console.log('Print button override complete');
} else {
console.log('Print button not found, will retry...');
// Retry after 1 second if button not found yet
setTimeout(overridePrintButton, 1000);
}
}
function handleExtensionPrint(event) {
event.preventDefault();
event.stopPropagation();
console.log('Extension print button clicked');
// Get the label preview element
const labelPreview = document.getElementById('label-preview');
if (!labelPreview) {
alert('Label preview not found. Please select an order first.');
return;
}
// Show printing status
showPrintStatus('Preparing to print...', 'info');
// Create complete HTML for printing
const printHTML = createPrintableHTML(labelPreview);
// Get selected printer from dropdown
const selectedPrinterId = window.getSelectedPrinter ? window.getSelectedPrinter() : 'default';
// Try direct printing first, then fallback
chrome.runtime.sendMessage({
action: 'print_label',
data: {
html: printHTML,
timestamp: Date.now(),
printerId: selectedPrinterId
}
}, (response) => {
if (response && response.success) {
handlePrintResponse(response);
} else {
console.log('Direct printing failed, trying fallback method');
showPrintStatus('Direct printing unavailable, using browser print...', 'info');
// Try fallback method
chrome.runtime.sendMessage({
action: 'fallback_print',
data: {
html: printHTML,
timestamp: Date.now(),
printerId: selectedPrinterId
}
}, handlePrintResponse);
}
});
}
function createPrintableHTML(labelElement) {
// Get the computed styles and create a complete HTML document
const styles = `
<style>
body { margin: 0; padding: 20px; font-family: Arial, sans-serif; }
.print-container { width: 210mm; height: 297mm; margin: 0 auto; }
.label-wrapper { transform: scale(1); transform-origin: top left; }
</style>
`;
const bodyContent = `
<div class="print-container">
<div class="label-wrapper">
${labelElement.outerHTML}
</div>
</div>
`;
return `
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Quality Recticel Label</title>
${styles}
</head>
<body>
${bodyContent}
</body>
</html>
`;
}
function handlePrintResponse(response) {
console.log('Print response:', response);
if (response && response.success) {
showPrintStatus('✅ Label sent to printer successfully!', 'success');
// Update the order status in the table if possible
updateOrderPrintStatus();
} else {
const errorMsg = response?.error || 'Unknown error occurred';
showPrintStatus(`❌ Print failed: ${errorMsg}`, 'error');
// Fallback to browser print dialog
setTimeout(() => {
if (confirm('Direct printing failed. Open browser print dialog?')) {
window.print();
}
}, 2000);
}
}
function showPrintStatus(message, type) {
// Remove existing status messages
const existingStatus = document.getElementById('print-status-message');
if (existingStatus) {
existingStatus.remove();
}
// Create status message
const statusDiv = document.createElement('div');
statusDiv.id = 'print-status-message';
statusDiv.style.cssText = `
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
background: ${type === 'success' ? '#28a745' : type === 'error' ? '#dc3545' : '#17a2b8'};
color: white;
padding: 15px 25px;
border-radius: 8px;
font-size: 14px;
z-index: 10000;
box-shadow: 0 4px 8px rgba(0,0,0,0.3);
text-align: center;
min-width: 300px;
`;
statusDiv.textContent = message;
document.body.appendChild(statusDiv);
// Auto-remove after 3 seconds for success/info, 5 seconds for errors
const timeout = type === 'error' ? 5000 : 3000;
setTimeout(() => {
statusDiv.style.opacity = '0';
statusDiv.style.transition = 'opacity 0.5s';
setTimeout(() => statusDiv.remove(), 500);
}, timeout);
}
function addPrinterSelection() {
// Get available printers and add selection dropdown
chrome.runtime.sendMessage({action: 'get_printers'}, (response) => {
if (response && response.success && response.printers.length > 0) {
console.log('Available printers:', response.printers);
// Could add printer selection UI here if needed
}
});
}
function updateOrderPrintStatus() {
// Find selected row in table and update print status
const selectedRow = document.querySelector('.print-module-table tbody tr.selected');
if (selectedRow) {
const printStatusCell = selectedRow.querySelector('td:nth-last-child(2)'); // Second to last column
if (printStatusCell) {
printStatusCell.innerHTML = '<span style="color: #28a745; font-weight: bold;">✓ Yes</span>';
}
}
}
function checkExtensionStatus() {
// Verify extension is working
chrome.runtime.sendMessage({action: 'check_extension'}, (response) => {
if (response) {
console.log('Extension status:', response);
} else {
console.error('Extension communication failed');
}
});
}
// Add CSS for extension-specific styling
const extensionStyles = document.createElement('style');
extensionStyles.textContent = `
#print-label-btn {
background: linear-gradient(45deg, #28a745, #20c997) !important;
border: none !important;
transition: all 0.3s ease !important;
}
#print-label-btn:hover {
background: linear-gradient(45deg, #218838, #1ea97c) !important;
transform: translateY(-1px) !important;
box-shadow: 0 4px 8px rgba(0,0,0,0.2) !important;
}
`;
document.head.appendChild(extensionStyles);