import { useEffect, useRef } from "../deps.ts";
import { Editor } from "../editor.tsx";
import { PanelConfig } from "../types.ts";
const panelHtml = `
Send me HTML
`;
export function Panel({
config,
editor,
}: {
config: PanelConfig;
editor: Editor;
}) {
const iFrameRef = useRef(null);
useEffect(() => {
function loadContent() {
if (iFrameRef.current?.contentWindow) {
iFrameRef.current.contentWindow.postMessage({
type: "html",
html: config.html,
script: config.script,
});
}
}
if (!iFrameRef.current) {
return;
}
const iframe = iFrameRef.current;
iframe.onload = loadContent;
loadContent();
return () => {
iframe.onload = null;
};
}, [config.html, config.script]);
useEffect(() => {
const messageListener = (evt: any) => {
if (evt.source !== iFrameRef.current!.contentWindow) {
return;
}
const data = evt.data;
if (!data) {
return;
}
if (data.type === "event") {
editor.dispatchAppEvent(data.name, ...data.args);
}
};
console.log("Registering event handler");
globalThis.addEventListener("message", messageListener);
return () => {
console.log("Unregistering event handler");
globalThis.removeEventListener("message", messageListener);
};
}, []);
return (
);
}