42 lines
1.2 KiB
JavaScript
42 lines
1.2 KiB
JavaScript
function update_map(event)
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{
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event.preventDefault();
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document.getElementById("svgcontainer").innerHTML = '<p id="loading">Generating, please wait…</p>';
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var lat = document.getElementById('lat').value;
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var lon = document.getElementById('lon').value;
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request_url = new URL("/render/map.svg", document.URL);
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request_url.searchParams.append("lat", lat);
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request_url.searchParams.append("lon", lon);
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var request = new XMLHttpRequest();
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request.open("GET", request_url);
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request.addEventListener('load', function(event) {
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if (request.status >= 200 && request.status < 300) {
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var svgblob = new Blob([request.responseText], { type: "image/svg+xml" });
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document.getElementById("svgcontainer").innerHTML = request.responseText;
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link_container = document.getElementById("downloadlink");
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link_container.innerHTML = '';
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var blobUrl = URL.createObjectURL(svgblob);
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var link = document.createElement("a"); // Or maybe get it from the current document
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link.href = blobUrl;
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link.download = "map.svg";
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link.innerHTML = "Download this map.";
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link_container.appendChild(link); // Or append it whereever you want
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URL.revokeObjectURL(blobUrl);
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} else {
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console.warn(request.statusText, request.responseText);
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}
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});
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request.send();
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}
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