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/////////////////////////////////////////////////////////////
//
// pgAdmin 4 - PostgreSQL Tools
//
// Copyright (C) 2013 - 2024, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
//////////////////////////////////////////////////////////////
import getApiInstance from '../api_instance';
function convertImageURLtoDataURI(api, image) {
return new Promise(function(resolve, reject) {
let href = image.getAttribute('href') || image.getAttributeNS('http://www.w3.org/1999/xlink', 'href');
api.get(href).then(({data})=>{
image.setAttribute('href', 'data:image/svg+xml;base64,'+window.btoa(data));
resolve();
}).catch(()=>{
reject(new Error(null));
});
});
}
export function downloadSvg(svg, svgName) {
let svgDiv = document.createElement('div');
svgDiv.innerHTML = svg;
svgDiv.style.visibility = 'hidden';
svgDiv.style.display = 'table';
svgDiv.style.position = 'absolute';
let svgElement = svgDiv.firstChild;
let api = getApiInstance();
if (!svgElement) { return; }
let images = svgElement.getElementsByTagName('image');
let image_promises = [];
if (images){
for (let image of images) {
if ((image.getAttribute('href') && image.getAttribute('href').indexOf('data:') === -1)
|| (image.getAttribute('xlink:href') && image.getAttribute('xlink:href').indexOf('data:') === -1)) {
image_promises.push(convertImageURLtoDataURI(api, image));
}
}
}
Promise.all(image_promises).then(function() {
let blob = new Blob([svgElement.outerHTML], {type: 'image/svg+xml'});
let svgURL = (window.URL || window.webkitURL).createObjectURL(blob);
let newElement = document.createElement('a');
newElement.href = svgURL;
newElement.setAttribute('download', svgName);
document.body.appendChild(newElement);
newElement.click();
document.body.removeChild(newElement);
});
}