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timers = new Map([]);
class Timer {
startedBefore;
buttonId;
timeLeft;
finish;
}
// Register 'Enter' listeners on all inputs
allInputs = Array.from(document.getElementsByClassName('input'))
.filter(e => e.type == 'number');
allInputs.forEach(e => e.addEventListener('keydown', handleEnterKey));
// Register onsubmit handler for form
document.getElementById("form").addEventListener('submit', (el) => {
Array.from(event.target.getElementsByTagName('input')).forEach(i => i.disabled = false);
});
function handleEnterKey(event) {
if (event.key === "Enter" || event.key === "Tab") {
event.preventDefault();
//Isolate the node that we're after
const currentNode = event.target;
//Find the current tab index.
currentIndex = [...allInputs].findIndex(el => currentNode.isEqualNode(el));
//focus the following element
const targetIndex = (currentIndex + 1) % allInputs.length;
const targetNode = allInputs[targetIndex];
if (!targetNode.parentElement.parentElement.isEqualNode(currentNode.parentElement.parentElement)) {
// going to new row
if (currentNode.value != "" && allInputs[currentIndex-1].value != "") {
onClickSetCheck(currentNode.parentElement.parentElement.children[3].children[0]);
}
}
targetNode.focus();
}
}
function setReset(row, index, values=true) {
if (row.dataset.isTimer) {
let timerButton = row.children[1].children[0].children[0];
timerButton.disabled = false;
timerButton.classList.remove('is-success');
timerButton.classList.remove('is-danger');
row.children[2].children[0].classList.remove('is-success');
} else if (row.dataset.isReps) {
let lbsInput = row.children[1].children[0];
let repsInput = row.children[2].children[0];
// Enable inputs
lbsInput.disabled = false;
repsInput.disabled = false;
// Remove classes
lbsInput.classList.remove('is-success');
lbsInput.classList.remove('is-danger');
repsInput.classList.remove('is-success');
repsInput.classList.remove('is-danger');
// update id/classes to new row index
current = lbsInput.id;
updated = current.substring(0, current.length - 5);
lbs = updated + index + '-lbs';
lbsInput.id = lbs;
lbsInput.name = lbs;
reps = updated + index + '-reps'
repsInput.id = reps;
repsInput.name = reps;
row.children[3].children[0].classList.remove('is-success');
if (values) {
lbsInput.value = '';
repsInput.value = '';
}
}
}
function setSetid(row, id) {
let setNumber = row.children[0];
let lbsInput = row.children[1].children[0];
let repsInput = row.children[2].children[0];
let doneButton = row.children[3].children[0];
setNumber.textContent = id + 1;
}
function setCheck(row) {
if (row.dataset.isTimer) {
timerButton = row.children[1].children[0].children[0];
timerButton.disabled = true;
timerButton.classList.add('is-success');
if (timerButton.children[0].children[0].classList.contains('fa-pause')) {
timerButton.children[0].children[0].classList.remove('fa-pause');
timerButton.children[0].children[0].classList.add('fa-play');
}
} else {
// Disable input editing
row.children[1].firstChild.disabled = true;
row.children[2].firstChild.disabled = true;
// Add is-success to inputs
row.children[1].firstChild.classList.add('is-success')
row.children[2].firstChild.classList.add('is-success')
}
}
// Called when the check at the end of a set line is clicked
function onClickSetCheck(elem) {
row = elem.parentElement.parentElement;
if (elem.classList.contains('is-success')) {
setReset(row, row.parentElement.children.length - 1, false);
} else {
elem.classList.add('is-success');
setCheck(elem.parentElement.parentElement);
}
}
function onClickAddSet(elem) {
// Create the new row
let tableBody = elem.parentElement.parentElement.children[0].children[1];
let row = tableBody.children[0].cloneNode(true);
// Add new row to table
setReset(row, tableBody.children.length, false);
setSetid(row, tableBody.children.length)
row.addEventListener('keydown', handleEnterKey)
tableBody.appendChild(row)
}
function getTimeRemaining(end) {
var t = Date.parse(end) - Date.parse(new Date());
var seconds = Math.floor((t/1000) % 60);
var minutes = Math.floor((t/1000/60) % 60);
return { 'total': t,
'minutes': minutes,
'seconds': seconds,
};
}
function runClock(timer) {
var timeInterval;
function updateClock() {
var t = getTimeRemaining(timer.finishDate);
timer_time = document.getElementById(timer.elem.parentElement.children[1].id);
timer_time.innerHTML = t.minutes.toString().padStart(2, "0") + ':' + t.seconds.toString().padStart(2, "0");
if (t.total <= 0 || timer.finished) {
clearInterval(timeInterval);
updateTimerButton(timer.elem);
onClickSetCheck(timer.elem.parentElement.parentElement.parentElement);
timer.finished = true;
}
}
if (!timer.startedBefore) {
// if its never been started before say it now has
timer.startedBefore = true;
}
// create a new timeInterval for this element
timeInterval = setInterval(updateClock, 100);
timer.intervalId = timeInterval;
// add a new map record
timers.set(timer.elem.id, timer);
}
function updateTimerButton(elem) {
if (elem.children[0].children[0].classList.contains('fa-play')) {
elem.children[0].children[0].classList.remove('fa-play');
elem.children[0].children[0].classList.add('fa-pause');
} else {
elem.children[0].children[0].classList.add('fa-play');
elem.children[0].children[0].classList.remove('fa-pause');
}
}
function onClickPausePlayTimer(elem) {
// on press, if the button has not been pressed before
if (!elem.dataset.pressedBefore) {
// say it now has
elem.dataset.pressedBefore = true;
// create a new Timer object that represents the timer for this row
timer = new Timer();
timer.elem = elem;
timer.paused = true;
seconds = elem.parentElement.parentElement.parentElement.dataset.timerSeconds;
timer.finishDate = new Date(Date.parse(new Date()) + 1*seconds*1000);
console.log(timer.finishDate);
}
updateTimerButton(elem);
if (timer.paused) {
console.log('paused, starting...');
timer.paused = false;
// start/resume timer
resumeTimer(timer);
} else {
console.log('started, pausing...');
timer.paused = true;
// pause timer
pauseTimer(timer);
}
}
function resumeTimer(timer) {
var finish;
if (typeof timer.timeLeft !== 'undefined') {
// if we have set the time left before, then use that time
finish = new Date(Date.parse(new Date()) + timer.timeLeft);
timer.finishDate = finish;
} else {
// otherwise, this is first run, so use finishDate
finish = new Date(Date.parse(timer.finishDate));
}
runClock(timer, finish);
}
function pauseTimer(timer) {
intervalId = timers.get(timer.elem.id).intervalId;
clearInterval(intervalId);
timer.timeLeft = getTimeRemaining(timer.finishDate).total;
timers.delete(timer.elem.id);
}
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