/
widget.js
48 lines (41 loc) · 1.13 KB
/
widget.js
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// _esm = """
import glvis from "https://esm.sh/glvis";
function render({ model, el }) {
let div = document.createElement("div");
div.setAttribute("id", glvis.rand_id());
div.setAttribute("tabindex", "0");
el.append(div);
let width = () => model.get("width");
let height = () => model.get("height");
let glv = new glvis.State(div, width(), height());
function set_size() {
glv.setSize(width(), height());
}
function plot() {
const data = model.get("data_str");
const is_new_stream = model.get("is_new_stream");
if (is_new_stream) {
glv.display(data);
} else {
glv.update(data);
}
}
function handle_message(msg, buffers) {
if (msg.type === "screenshot") {
if (msg.use_web) {
glv.saveScreenshot(msg.name);
} else {
glv.getPNGAsB64().then((v) => {
model.send({ type: "screenshot", name: msg.name, b64: v });
});
}
}
}
// update
model.on("change:width", set_size);
model.on("change:height", set_size);
model.on("change:data_str", plot);
model.on("msg:custom", handle_message);
plot();
}
export default { render };