feat: Enhance barcode scanner with improved mobile compatibility and error handling

This commit is contained in:
2026-06-01 12:22:54 +02:00
parent ab718d6ac2
commit b83b6c0ba2
3 changed files with 182 additions and 80 deletions
+75 -51
View File
@@ -2435,7 +2435,10 @@ document.addEventListener('DOMContentLoaded', ()=>{
</div>
<div class="qr-container">
<button id="scanButton" class="scan-button" aria-controls="qr-reader" aria-expanded="false">Barcode scannen</button>
<div id="qr-reader"></div>
<div id="qr-reader" style="display: none;">
<video id="qr-reader-video" playsinline style="width: 100%; max-width: 100%; height: auto; aspect-ratio: 4/3; object-fit: cover; border-radius: 8px;"></video>
<canvas id="qr-reader-canvas" style="display: none;"></canvas>
</div>
</div>
<div id="table-view-header" class="table-view-header" aria-hidden="true">
@@ -2729,7 +2732,8 @@ document.addEventListener('DOMContentLoaded', ()=>{
window.isDebug = false; // Set to true only for development environment
</script>
<script src="https://unpkg.com/html5-qrcode@2.0.9/dist/html5-qrcode.min.js"></script>
<script src="https://unpkg.com/@zxing/library@latest/umd/index.min.js"></script>
<script src="/static/js/scanner.js"></script>
<script>
// Function to check if a file is a video
function isVideoFile(filename) {
@@ -2739,7 +2743,7 @@ document.addEventListener('DOMContentLoaded', ()=>{
}
// Initialize QR Code scanner and global variables
let html5QrcodeScanner = null;
let hybridScanner = null;
let codeSearchTerm = '';
let descSearchIds = null; // Set of matching IDs or null when disabled
let currentUsername = '';
@@ -2783,33 +2787,37 @@ document.addEventListener('DOMContentLoaded', ()=>{
if (qrReader.style.display === 'none') {
qrReader.style.display = 'block';
html5QrcodeScanner = new Html5QrcodeScanner(
"qr-reader", {
fps: 10,
qrbox: 250,
rememberLastUsedCamera: true
}
);
html5QrcodeScanner.render((decodedText) => {
html5QrcodeScanner.clear();
qrReader.style.display = 'none';
// Instead of navigating to the URL, put the scanned code in the search box
const searchInput = document.getElementById('code-search');
if (searchInput) {
searchInput.value = decodedText;
// Trigger search automatically
searchByCode();
}
hybridScanner = new HybridScanner({
videoId: 'qr-reader-video',
canvasId: 'qr-reader-canvas',
formats: ['QR_CODE', 'CODE_128', 'EAN_13', 'EAN_8', 'CODE_39', 'UPC_A'],
fps: 10,
facingMode: 'environment',
onSuccess: function(decodedText) {
hybridScanner.stop();
qrReader.style.display = 'none';
// Put the scanned code in the search box
const searchInput = document.getElementById('code-search');
if (searchInput) {
searchInput.value = decodedText;
// Trigger search automatically
searchByCode();
}
setScannerUi(false);
setScannerUi(false);
},
onError: function(error) {
console.error('Scanner error:', error);
}
});
hybridScanner.start();
setScannerUi(true);
} else {
if (html5QrcodeScanner) {
html5QrcodeScanner.clear();
if (hybridScanner) {
hybridScanner.stop();
hybridScanner = null;
}
qrReader.style.display = 'none';
setScannerUi(false);
@@ -2825,8 +2833,9 @@ document.addEventListener('DOMContentLoaded', ()=>{
}
if (qrReader.style.display !== 'none') {
if (html5QrcodeScanner) {
html5QrcodeScanner.clear();
if (hybridScanner) {
hybridScanner.stop();
hybridScanner = null;
}
qrReader.style.display = 'none';
scanEditBtn.textContent = 'Barcode scannen';
@@ -2835,18 +2844,25 @@ document.addEventListener('DOMContentLoaded', ()=>{
qrReader.style.display = 'block';
scanEditBtn.textContent = 'Scanner schließen';
html5QrcodeScanner = new Html5QrcodeScanner('qr-reader', {
fps: 10,
qrbox: 250,
rememberLastUsedCamera: true
});
html5QrcodeScanner.render((decodedText) => {
html5QrcodeScanner.clear();
qrReader.style.display = 'none';
editCodeInput.value = String(decodedText || '').trim();
validateCodeField(editCodeInput, document.getElementById('edit-item-id')?.value || null);
scanEditBtn.textContent = 'Barcode scannen';
hybridScanner = new HybridScanner({
videoId: 'qr-reader-video',
canvasId: 'qr-reader-canvas',
formats: ['CODE_128', 'CODE_39', 'QR_CODE'],
fps: 10,
facingMode: 'environment',
onSuccess: function(decodedText) {
hybridScanner.stop();
qrReader.style.display = 'none';
editCodeInput.value = String(decodedText || '').trim();
validateCodeField(editCodeInput, document.getElementById('edit-item-id')?.value || null);
scanEditBtn.textContent = 'Barcode scannen';
},
onError: function(error) {
console.error('Scanner error:', error);
}
});
hybridScanner.start();
}
function scanIntoEditIsbn() {
@@ -2858,8 +2874,9 @@ document.addEventListener('DOMContentLoaded', ()=>{
}
if (qrReader.style.display !== 'none') {
if (html5QrcodeScanner) {
html5QrcodeScanner.clear();
if (hybridScanner) {
hybridScanner.stop();
hybridScanner = null;
}
qrReader.style.display = 'none';
scanIsbnBtn.textContent = 'ISBN scannen';
@@ -2868,20 +2885,27 @@ document.addEventListener('DOMContentLoaded', ()=>{
qrReader.style.display = 'block';
scanIsbnBtn.textContent = 'Scanner schließen';
html5QrcodeScanner = new Html5QrcodeScanner('qr-reader', {
hybridScanner = new HybridScanner({
videoId: 'qr-reader-video',
canvasId: 'qr-reader-canvas',
formats: ['ISBN', 'EAN_13', 'EAN_8', 'QR_CODE'],
fps: 10,
qrbox: 250,
rememberLastUsedCamera: true
});
html5QrcodeScanner.render((decodedText) => {
html5QrcodeScanner.clear();
qrReader.style.display = 'none';
editIsbnInput.value = String(decodedText || '').trim();
scanIsbnBtn.textContent = 'ISBN scannen';
if (typeof fetchBookInfo === 'function') {
fetchBookInfo('edit');
facingMode: 'environment',
onSuccess: function(decodedText) {
hybridScanner.stop();
qrReader.style.display = 'none';
editIsbnInput.value = String(decodedText || '').trim();
scanIsbnBtn.textContent = 'ISBN scannen';
if (typeof fetchBookInfo === 'function') {
fetchBookInfo('edit');
}
},
onError: function(error) {
console.error('Scanner error:', error);
}
});
hybridScanner.start();
}
function rebuildFilter3Options() {