142 lines
3.3 KiB
HTML
142 lines
3.3 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<!- QR code scan -->
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<script src="js/html5-qrcode.min.js"></script>
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</head>
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<!-- Begin Page Content -->
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<div class="container-fluid">
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<!-- Breadcrumbs-->
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<!--<ol class="breadcrumb">
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<li class="breadcrumb-item active">
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Sites
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</li>
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</ol>-->
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<div class="row">
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<div class="col-12">
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<p><button id="scanButton" class="btn btn-primary" onClick="scanQR()">Scan code</button></p>
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<div id="reader" width="0px"></div>
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<script type="text/javascript">
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var cameraId = "";
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var currentlyScanning = false;
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var html5QrCode;
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function scanQR(){
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if(currentlyScanning){
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stopScan("");
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}else{
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$("#scanButton").html("Stop scanning");
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currentlyScanning = true;
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if(cameraId==""){
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html5QrCode = Html5Qrcode.getCameras().then(devices => {
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if (devices && devices.length) {
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if(devices.length > 1){
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var options_list = "";
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for (i = 0; i < devices.length; i++) {
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if(devices[i].label.indexOf("front") !== -1){
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options_list = options_list + '<option value="'+devices[i].id+'">Front</option>';
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}else if(devices[i].label.indexOf("back") !== -1){
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options_list = options_list + '<option value="'+devices[i].id+'">Back</option>';
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}else{
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options_list = options_list + '<option value="'+devices[i].id+'">'+devices[i].label+'</option>';
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}
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}
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vex.dialog.open({
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message: "Which camera would you like to use?",
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input: [
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'<style>',
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'.vex-custom-field-wrapper {',
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'margin: 1em 0;',
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'}',
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'.vex-custom-field-wrapper > label {',
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'display: inline-block;',
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'margin-bottom: .2em;',
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'}',
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'</style>',
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'<div class="vex-custom-field-wrapper">',
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'<label for="camera_id">Cameras available:</label>',
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'<div class="vex-custom-input-wrapper">',
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'<select name="camera_id" id="camera_id">',
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options_list,
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'</select>',
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'</div>',
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'</div>',
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].join(''),
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callback: function (data) {
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if (!data) {
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$("#scanButton").html("Scan code");
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currentlyScanning = false;
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}else{
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cameraId = data.camera_id;
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readQR();
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}
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}
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});
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}else{
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cameraId = devices[0].id;
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readQR();
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}
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}
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}).catch(err => {
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console.log(err);
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});
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}else{
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readQR();
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}
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}
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}
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function readQR(){
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html5QrCode = new Html5Qrcode("reader");
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html5QrCode.start(
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cameraId,
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{
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fps: 10, // Optional frame per seconds for qr code scanning
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qrbox: 250 // Optional if you want bounded box UI
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},
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qrCodeMessage => {
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// do something when code is read
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stopScan(qrCodeMessage);
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},
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errorMessage => {
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console.log(errorMessage);
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})
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.catch(err => {
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console.log(err);
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});
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}
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function stopScan(message){
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html5QrCode.stop().then(ignore => {
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// QR Code scanning is stopped.
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}).catch(err => {
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console.log(err);
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});
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currentlyScanning = false;
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$("#scanButton").html("Scan code");
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if(message!=""){
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var table = $('#dataTable').DataTable();
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table.search( message ).draw();
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}
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}
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</script> |