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grafana-button.html
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grafana-button.html
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<div id="GF_EXPORT_marker">
<!-- This is a marker to enable HTML injection in this panel -->
</div>
<script>
/* Edit the following variables to enable/disable PDF generation and set the server URL */
const pdfGeneration = true;
const pdfGenerationServerUrl = 'http://localhost:3001/';
/* */
if (pdfGeneration && pdfGenerationServerUrl) {
document.onclick = function () {
if (!document.getElementById('GF_EXPORT_marker')) {
return;
}
let shareModalContent = document.querySelector('div[class*="shareModalContainer"]:has(a[aria-label="Tab Link"]), div[role="dialog"]:has(button[data-testid*="Tab Link"])');
let linkUrlInput = document.querySelector('#link-url-input');
let shareShortenUrl = document.querySelector('#share-shorten-url');
let linkToGrafanaImageRenderer = document.querySelector('a[href="https://grafana.com/grafana/plugins/grafana-image-renderer"]');
if (shareModalContent && linkUrlInput) {
if (!shareModalContent.querySelector('.GF_EXPORT_export-pdf-container')) {
let div = document.createElement('div');
div.classList.add('GF_EXPORT_export-pdf-container');
if (linkToGrafanaImageRenderer) {
div.style.marginTop = '1rem';
}
let button = document.createElement('button');
button.setAttribute('disabled', true)
button.classList.add('GF_EXPORT_btn-export-pdf');
button.innerHTML = `
<svg id="Calque_2" data-name="Calque 2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 177.41 177.78">
<defs>
<style>
.cls-1 {
fill: #fff;
stroke-width: 0px;
}
</style>
</defs>
<g id="Calque_1-2" data-name="Calque 1">
<g>
<path class="cls-1" d="M79.33,177.77c-16.33,0-32.66.04-48.99-.01-18.5-.06-30.24-11.78-30.28-30.38-.07-32.83-.07-65.66,0-98.48.04-18.66,11.65-30.1,30.38-30.12,27-.03,53.99,0,80.99,0,1.33,0,2.69-.11,3.99.13,3.74.67,6.51,3.19,6.01,6.75-.37,2.61-2.73,5.31-4.88,7.18-1.22,1.06-3.82.71-5.8.71-26.5.04-52.99.02-79.49.03-11.63,0-16.41,4.76-16.42,16.31,0,32.33-.01,64.66,0,96.98,0,11.11,5.01,16.04,16.25,16.04,32.33,0,64.66,0,96.98,0,11.48,0,16.29-4.85,16.3-16.5.02-26.83,0-53.66.01-80.49,0-1.83-.09-3.7.22-5.48.71-4.05,3.48-6.13,7.39-6.03,3.68.1,6.26,2.19,6.85,6.05.25,1.63.2,3.32.2,4.99.01,27,.03,53.99,0,80.99-.02,20.05-11.26,31.33-31.21,31.35-16.16.02-32.33,0-48.49,0Z"/>
<path class="cls-1" d="M151.01,14.89c-8.24,0-15.49.02-22.74,0-5.93-.02-9.39-2.66-9.52-7.19-.14-4.72,3.47-7.66,9.6-7.68,14.83-.03,29.66-.02,44.49,0,1.3,0,2.59.16,4.1.26.16,1.32.42,2.44.42,3.56.03,14.66.16,29.33-.12,43.99-.05,2.56-1.2,5.82-3.02,7.4-1.59,1.37-5.37,1.84-7.21.86-2.05-1.09-4.06-4.19-4.21-6.54-.52-7.79-.2-15.64-.2-24.73-1.96,1.77-3.24,2.85-4.42,4.02-20.99,20.96-41.96,41.94-62.94,62.91-1.06,1.06-2.06,2.22-3.27,3.08-3.28,2.33-6.64,2.28-9.52-.57-2.86-2.85-2.89-6.25-.73-9.56.8-1.23,2-2.22,3.05-3.28,20.62-20.63,41.24-41.25,61.85-61.88,1.24-1.25,2.42-2.56,4.37-4.65Z"/>
<g>
<path class="cls-1" d="M27.04,146.64v-35.56h15.39c3.18,0,5.93.52,8.23,1.55,2.3,1.03,4.08,2.51,5.33,4.45,1.25,1.93,1.88,4.22,1.88,6.86s-.63,4.97-1.88,6.88c-1.25,1.91-3.03,3.4-5.33,4.45-2.3,1.05-5.05,1.57-8.23,1.57h-10.87l3.76-3.71v13.51h-8.28ZM35.32,134.05l-3.76-3.91h10.41c2.51,0,4.4-.54,5.69-1.63,1.29-1.08,1.93-2.61,1.93-4.57s-.64-3.48-1.93-4.55c-1.29-1.07-3.18-1.6-5.69-1.6h-10.41l3.76-3.91v20.17Z"/>
<path class="cls-1" d="M64.23,146.64v-35.56h16.15c3.86,0,7.26.74,10.21,2.21,2.95,1.47,5.25,3.54,6.91,6.2,1.66,2.66,2.49,5.78,2.49,9.37s-.83,6.71-2.49,9.37c-1.66,2.66-3.96,4.72-6.91,6.2-2.95,1.47-6.35,2.21-10.21,2.21h-16.15ZM72.51,139.94h7.47c2.37,0,4.43-.45,6.17-1.35,1.74-.9,3.1-2.18,4.06-3.86.96-1.68,1.45-3.63,1.45-5.87s-.48-4.23-1.45-5.89c-.96-1.66-2.32-2.94-4.06-3.83-1.74-.9-3.8-1.35-6.17-1.35h-7.47v22.15Z"/>
<path class="cls-1" d="M114.47,146.64h-8.28v-35.56h26.87v6.6h-18.59v28.96ZM113.81,127.09h17.07v6.6h-17.07v-6.6Z"/>
</g>
</g>
</g>
</svg>
<div class="GF_EXPORT_loader"></div>
<span>Export to PDF</span>
`;
button.onclick = async function () {
button.classList.add('GF_EXPORT_waiting');
button.setAttribute('disabled', true);
document.getElementById('GF_EXPORT_marker').setAttribute('data-gf-export-waiting', 'true')
let url = linkUrlInput.value || window.location.href;
const urlObj = new URL(url);
url = urlObj.toString();
try {
console.log('Requesting PDF generation for URL:', url);
let completeUrl = pdfGenerationServerUrl + "/generate-pdf";
if (pdfGenerationServerUrl.endsWith('/')) {
completeUrl = pdfGenerationServerUrl + "generate-pdf";
}
const response = await fetch(completeUrl, {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify({url: url})
});
if (response.ok) {
const data = await response.json();
const pdfUrl = data.pdfUrl;
window.open(pdfUrl, '_blank');
} else {
const errorText = await response.text();
console.error('Response error:', errorText);
if (response.status === 500) {
alert('Error generating PDF. Please check the server logs for more details.');
} else if (response.status === 400) {
alert('Request error: Missing or invalid URL.');
} else {
alert('Unknown error generating PDF.');
}
}
} catch (error) {
console.error('Fetch error:', error);
if (error.message.includes('Failed to fetch')) {
alert('Unable to contact the PDF generation server. Are you sure the Docker is running? Check its status and the configured URL.');
checkStatus();
} else {
alert('Error generating PDF. Please check the console for more details.');
checkStatus();
}
} finally {
console.log('PDF generation request completed.')
document.getElementById('GF_EXPORT_marker').removeAttribute('data-gf-export-waiting');
document.querySelector('.GF_EXPORT_btn-export-pdf').classList.remove('GF_EXPORT_waiting');
document.querySelector('.GF_EXPORT_btn-export-pdf').removeAttribute('disabled');
}
};
let errorDiv = document.createElement('div');
errorDiv.classList.add('GF_EXPORT_error');
errorDiv.style.display = 'none';
let label = document.createElement('label');
label.innerHTML = 'Export to PDF';
div.appendChild(label);
div.appendChild(errorDiv);
div.appendChild(button);
shareModalContent.appendChild(div);
if (document.getElementById('GF_EXPORT_marker').getAttribute('data-gf-export-waiting') === 'true'){
document.querySelector('.GF_EXPORT_btn-export-pdf').classList.add('GF_EXPORT_waiting');
document.querySelector('.GF_EXPORT_btn-export-pdf').setAttribute('disabled', true);
} else {
checkStatus();
}
} else if ( !shareModalContent.querySelector('.GF_EXPORT_btn-export-pdf') || (!shareModalContent.querySelector('.GF_EXPORT_btn-export-pdf').classList.contains('GF_EXPORT_waiting') && !shareModalContent.querySelector('.GF_EXPORT_btn-export-pdf').classList.contains('GF_EXPORT_no-server'))) {
// If no export process is running, re-listen to the shareShortenUrl checkbox
if (shareShortenUrl) {
shareShortenUrl.addEventListener('change', function () {
if (shareShortenUrl.checked) {
document.querySelector('.GF_EXPORT_btn-export-pdf').setAttribute('disabled', true);
document.querySelector('.GF_EXPORT_btn-export-pdf').classList.add('GF_EXPORT_no-short-url');
} else {
document.querySelector('.GF_EXPORT_btn-export-pdf').classList.remove('GF_EXPORT_no-short-url');
if(document.querySelector('.GF_EXPORT_btn-export-pdf').classList.contains('GF_EXPORT_no-server')) {
document.querySelector('.GF_EXPORT_error').style.display = 'block';
document.querySelector('.GF_EXPORT_error').innerText = 'PDF generation server is not running.';
} else {
document.querySelector('.GF_EXPORT_error').style.display = 'none';
document.querySelector('.GF_EXPORT_btn-export-pdf').removeAttribute('disabled');
}
}
});
if (shareShortenUrl.checked) {
document.querySelector('.GF_EXPORT_btn-export-pdf').setAttribute('disabled', true);
document.querySelector('.GF_EXPORT_btn-export-pdf').classList.add('GF_EXPORT_no-short-url');
document.querySelector('.GF_EXPORT_error').style.display = 'block';
document.querySelector('.GF_EXPORT_error').innerText = 'Shortened URL are not supported.';
} else {
document.querySelector('.GF_EXPORT_btn-export-pdf').classList.remove('GF_EXPORT_no-short-url');
if(document.querySelector('.GF_EXPORT_btn-export-pdf').classList.contains('GF_EXPORT_no-server')) {
document.querySelector('.GF_EXPORT_error').style.display = 'block';
document.querySelector('.GF_EXPORT_error').innerText = 'PDF generation server is not running.';
} else {
document.querySelector('.GF_EXPORT_error').style.display = 'none';
document.querySelector('.GF_EXPORT_btn-export-pdf').removeAttribute('disabled');
}
}
}
}
} else {
if (shareModalContent && shareModalContent.querySelector('.GF_EXPORT_export-pdf-container')) {
shareModalContent.querySelector('.GF_EXPORT_export-pdf-container').remove();
}
}
}
}
function checkStatus() {
let completeCheckUrl = pdfGenerationServerUrl + "/check-status";
if (pdfGenerationServerUrl.endsWith('/')) {
completeCheckUrl = pdfGenerationServerUrl + "check-status";
}
fetch(completeCheckUrl)
.then(response => {
if (response.ok) {
console.log('PDF generation server is running.');
document.querySelector('.GF_EXPORT_btn-export-pdf').removeAttribute('disabled');
} else {
console.error('PDF generation server is not running.');
document.querySelector('.GF_EXPORT_btn-export-pdf').setAttribute('disabled', true);
document.querySelector('.GF_EXPORT_btn-export-pdf').classList.add('GF_EXPORT_no-server');
document.querySelector('.GF_EXPORT_error').style.display = 'block';
document.querySelector('.GF_EXPORT_error').innerText = 'PDF generation server is not running.';
}
})
.catch(error => {
console.error('PDF generation server is not running.', error);
document.querySelector('.GF_EXPORT_btn-export-pdf').setAttribute('disabled', true);
document.querySelector('.GF_EXPORT_btn-export-pdf').classList.add('GF_EXPORT_no-server');
document.querySelector('.GF_EXPORT_error').style.display = 'block';
document.querySelector('.GF_EXPORT_error').innerText = 'PDF generation server is not running.';
});
}
</script>
<style>
.GF_EXPORT_marker {
display: none;
}
.GF_EXPORT_export-pdf-container {
display: flex;
flex-direction: column;
gap: 1rem;
align-items: flex-start;
padding: 0 24px 24px;
}
.GF_EXPORT_export-pdf-container button {
display: inline-flex;
gap: 0.5rem;
-webkit-box-align: center;
align-items: center;
font-size: 14px;
font-weight: 500;
font-family: Inter, Helvetica, Arial, sans-serif;
padding: 0px 15px;
height: 32px;
line-height: 30px;
vertical-align: middle;
cursor: pointer;
border-radius: 2px;
background: rgb(61, 113, 217);
color: rgb(255, 255, 255);
border: 1px solid transparent;
transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1) 0ms, box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1) 0ms, border-color 250ms cubic-bezier(0.4, 0, 0.2, 1) 0ms, color 250ms cubic-bezier(0.4, 0, 0.2, 1) 0ms;
}
.GF_EXPORT_export-pdf-container label {
font-size: 12px;
font-weight: 500;
line-height: 12px;
margin-bottom: -0.5rem;
color: rgb(204, 204, 220);
}
.GF_EXPORT_export-pdf-container button:hover {
background: rgb(90, 134, 222);
color: rgb(255, 255, 255);
box-shadow: rgba(1, 4, 9, 0.75) 0px 1px 2px;
border-color: transparent;
}
.GF_EXPORT_export-pdf-container button[disabled] {
cursor: not-allowed;
box-shadow: none;
color: rgba(204, 204, 220, 0.6);
transition: none 0s ease 0s;
background: rgba(204, 204, 220, 0.04);
border: 1px solid transparent;
}
.GF_EXPORT_export-pdf-container button[disabled] svg {
opacity: 0.6;
}
.GF_EXPORT_export-pdf-container button svg {
width: 1rem
}
.GF_EXPORT_loader {
display: none;
}
.GF_EXPORT_export-pdf-container button[disabled].GF_EXPORT_waiting .GF_EXPORT_loader {
display: inline-block;
}
.GF_EXPORT_export-pdf-container button[disabled].GF_EXPORT_no-server .GF_EXPORT_loader, .GF_EXPORT_export-pdf-container button[disabled].GF_EXPORT_no-short-url .GF_EXPORT_loader {
display: none;
}
.GF_EXPORT_error {
background-color: #860000;
border-left: 2px solid red;
padding: 0.5rem 1rem;
width: fit-content;
}
.GF_EXPORT_export-pdf-container button[disabled] svg {
display: none;
}
.GF_EXPORT_export-pdf-container button[disabled].GF_EXPORT_no-server svg, .GF_EXPORT_export-pdf-container button[disabled].GF_EXPORT_no-short-url svg {
display: inline-block;
}
.GF_EXPORT_loader {
transform: translate(-50%, -50%);
border: 2px solid #717171;
border-radius: 50%;
border-top: 2px solid #ffffff;
width: 1rem;
height: 1rem;
-webkit-animation: spin 1.5s linear infinite;
animation: spin 1.5s linear infinite;
}
@-webkit-keyframes spin {
0% {
-webkit-transform: rotate(0deg);
}
100% {
-webkit-transform: rotate(360deg);
}
}
@keyframes spin {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
</style>