import

content.js

@@ -0,0 +1,45 @@
+const UGOpp = {};
+
+const __kf_course_id_regex = /[0-9]+$/;
+
+function _injectQuickLinks() {
+  const table = Common.$G("idLVOfferTab")
+  if (table?.querySelector(".kf-groups-quick-link")) return;
+
+  const rows = table.querySelectorAll("tr.hi");
+
+  rows.forEach((row) => {
+    const tds = row.querySelectorAll("td")
+    const mainLink = tds[3].querySelector("a");
+    const courseId = mainLink.href.match(__kf_course_id_regex)[0];
+    const link = Common.$C("a", {classList: "kf-groups-quick-link", href:`https://online.uni-graz.at/kfu_online/sa.gruppen_einteilung?cLvNr=${courseId}`, children:["👥"]})
+    tds[2].append(link)
+  })
+}
+
+function injectQuickLinks() {
+  const observerOptions = {
+    childList: true,
+    subtree: true,
+  };
+
+  const observer = new MutationObserver(logChanges)
+  observer.observe(document.body, observerOptions);
+}
+
+function logChanges(records, observer) {
+  for (const record of records) {
+    for (const addedNode of record.addedNodes) {
+      if (addedNode.id == "actions") {
+        observer.disconnect();
+        _injectQuickLinks();
+      }
+    }
+  }
+}
+
+UGOpp.injectQuickLinks = injectQuickLinks;
+
+injectQuickLinks();
+
+// vim: ts=2 sts=2 sw=2