improving physics / sba exams

anatomy/static/js/anatomy.js

@@ -581,3 +581,49 @@ function delete_multiple(url, csrf_token) {
 }
 window.delete_multiple = delete_multiple
 
+
+
+function getTimeRemaining(endtime) {
+  const total = Date.parse(endtime) - Date.parse(new Date());
+  const seconds = Math.floor((total / 1000) % 60);
+  const minutes = Math.floor((total / 1000 / 60) % 60);
+  const hours = Math.floor((total / (1000 * 60 * 60)) % 24);
+  //const days = Math.floor(total / (1000 * 60 * 60 * 24));
+
+  return {
+    total,
+    //days,
+    hours,
+    minutes,
+    seconds
+  };
+}
+
+function initializeClock(id, endtime) {
+  const clock = document.getElementById(id);
+  clock.style.display = "block"
+  const daysSpan = clock.querySelector('.days');
+  const hoursSpan = clock.querySelector('.hours');
+  const minutesSpan = clock.querySelector('.minutes');
+  const secondsSpan = clock.querySelector('.seconds');
+
+  function updateClock() {
+    const t = getTimeRemaining(endtime);
+
+    //daysSpan.innerHTML = t.days;
+    hoursSpan.innerHTML = ('0' + t.hours).slice(-2);
+    minutesSpan.innerHTML = ('0' + t.minutes).slice(-2);
+    secondsSpan.innerHTML = ('0' + t.seconds).slice(-2);
+
+    if (t.total <= 0) {
+      clearInterval(timeinterval);
+      timeup.style.display = "block"
+      clock.style.display = "none"
+    }
+  }
+
+  const timeinterval = setInterval(updateClock, 1000);
+  updateClock();
+}
+
+window.initializeClock = initializeClock