Files
pantry-management-frontend/barcode.html
2026-03-08 16:25:59 +00:00

289 lines
8.7 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="main.css">
<title>Barcode Scanner</title>
<style>
.scanner-container {
background: #f9f9f9;
padding: 30px;
border-radius: 8px;
max-width: 600px;
margin: 30px auto;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.scanner-header {
text-align: center;
margin-bottom: 30px;
}
.scanner-header h3 {
color: #333;
margin-top: 0;
}
.scanner-header p {
color: #666;
font-size: 14px;
margin: 10px 0 0 0;
}
.barcode-input-wrapper {
margin-bottom: 20px;
}
.barcode-input-wrapper label {
display: block;
font-weight: bold;
color: #333;
margin-bottom: 10px;
}
.barcode-input {
width: 100%;
padding: 15px;
border: 2px solid #ddd;
border-radius: 4px;
font-size: 18px;
font-family: 'Courier New', monospace;
box-sizing: border-box;
transition: all 0.3s;
}
.barcode-input:focus {
outline: none;
border-color: #4CAF50;
box-shadow: 0 0 8px rgba(76, 175, 80, 0.3);
background-color: #fffef0;
}
.scanner-status {
text-align: center;
padding: 15px;
border-radius: 4px;
background-color: #e8f5e9;
border: 1px solid #c8e6c9;
color: #2e7d32;
font-size: 14px;
margin-bottom: 20px;
}
.scanner-status.active {
animation: pulse 2s infinite;
}
@keyframes pulse {
0%, 100% {
background-color: #e8f5e9;
}
50% {
background-color: #c8e6c9;
}
}
.scanner-info {
background-color: #e3f2fd;
border: 1px solid #bbdefb;
border-radius: 4px;
padding: 15px;
margin-top: 20px;
font-size: 13px;
color: #1565c0;
}
.scanner-info h4 {
margin: 0 0 10px 0;
color: #0d47a1;
}
.scanner-info ul {
margin: 10px 0 0 0;
padding-left: 20px;
}
.scanner-info li {
margin: 5px 0;
line-height: 1.5;
}
.console-hint {
background-color: #fff3e0;
border: 1px solid #ffe0b2;
border-radius: 4px;
padding: 12px;
margin-top: 15px;
font-size: 13px;
color: #e65100;
}
.console-hint strong {
display: block;
margin-bottom: 5px;
color: #d84315;
}
.button-group {
display: flex;
gap: 10px;
margin-top: 20px;
}
.btn {
flex: 1;
padding: 12px 20px;
border: none;
border-radius: 4px;
font-size: 14px;
font-weight: bold;
cursor: pointer;
transition: background-color 0.3s;
}
.btn-secondary {
background-color: #ddd;
color: #333;
}
.btn-secondary:hover {
background-color: #bbb;
}
.open-console {
background-color: #2196F3;
color: white;
}
.open-console:hover {
background-color: #0b7dda;
}
/* Responsive design */
@media (max-width: 600px) {
.scanner-container {
padding: 20px;
margin: 20px 10px;
}
.barcode-input {
font-size: 16px;
padding: 12px;
}
.button-group {
flex-direction: column;
}
.btn {
width: 100%;
}
}
</style>
</head>
<body>
<div id="navbar-placeholder"></div>
<div id="page-content">
<h2>Barcode Scanner</h2>
<hr>
<div class="scanner-container">
<div class="scanner-header">
<h3>📱 Barcode Scanner</h3>
<p>Scan a barcode or manually enter one below</p>
</div>
<div class="scanner-status active" id="scanner-status">
✓ Scanner Ready - Click below and scan a barcode
</div>
<div class="barcode-input-wrapper">
<label for="barcode-input">Barcode Input:</label>
<input
type="text"
id="barcode-input"
class="barcode-input"
placeholder="Scan or type barcode here..."
autocomplete="off"
spellcheck="false"
>
</div>
<div class="scanner-info">
<h4>How to Use:</h4>
<ul>
<li><strong>Keyboard Entry:</strong> Type or paste a barcode and press Enter</li>
<li><strong>Hardware Scanner:</strong> Plug in a barcode scanner and scan directly</li>
<li><strong>Testing:</strong> Scanned barcodes are logged to the browser console (Press F12)</li>
<li><strong>Input Focus:</strong> The input field automatically refocuses after each scan</li>
</ul>
</div>
<div class="console-hint">
<strong>🔍 View Console Output:</strong>
Press F12 (or Cmd+Option+I on Mac) to open Developer Tools. Check the Console tab to see scanned barcodes logged with timestamps and input type detection.
</div>
<div class="button-group">
<button type="button" class="btn open-console" id="open-console-btn">
📟 Open Console (F12)
</button>
<button type="button" class="btn btn-secondary" id="clear-input-btn">
🗑️ Clear Input
</button>
</div>
</div>
</div>
<script src="navbar.js"></script>
<script type="module">
import { initializeBarcodeScanner, logBarcodeToConsole } from './barcode-scanner.js';
const barcodeInput = document.getElementById('barcode-input');
const scannerStatus = document.getElementById('scanner-status');
const openConsoleBtn = document.getElementById('open-console-btn');
const clearInputBtn = document.getElementById('clear-input-btn');
/**
* Callback when a barcode is scanned
* @param {string} barcode - The scanned barcode value
* @param {string} inputType - The type of input device
*/
function onBarcodeScanned(barcode, inputType) {
// Update status temporarily
const originalStatus = scannerStatus.textContent;
scannerStatus.textContent = `✓ Barcode scanned: ${barcode}`;
scannerStatus.style.backgroundColor = '#a5d6a7';
// Reset after 2 seconds
setTimeout(() => {
scannerStatus.textContent = originalStatus;
scannerStatus.style.backgroundColor = '';
}, 2000);
}
// Initialize the barcode scanner
initializeBarcodeScanner(barcodeInput, onBarcodeScanned);
// Clear input button
clearInputBtn.addEventListener('click', () => {
barcodeInput.value = '';
barcodeInput.focus();
});
// Open console button - opens DevTools
openConsoleBtn.addEventListener('click', () => {
console.log('%c📊 Barcode Scanner Console\n\nUse this console to view scanned barcodes and their details.\nStart scanning to see logs appear here.', 'color: #4CAF50; font-size: 14px; font-weight: bold; line-height: 1.8;');
// In a real app, we can't programmatically open DevTools for security reasons
// But we can log a helpful message and suggest the user press F12
alert('Press F12 (or Cmd+Option+I on Mac) to open the Developer Tools Console.\n\nScanned barcodes will appear in the Console tab.');
});
// Log initial message
console.log('%c🎯 Barcode Scanner Ready', 'color: #4CAF50; font-weight: bold; font-size: 16px;');
console.log('Scan a barcode to see it logged here with timestamp and input type detection.');
</script>
</body>
</html>