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Add continuous navigation when arrow key is held down #2353

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merged 3 commits into from
Apr 30, 2024
Merged

Add continuous navigation when arrow key is held down #2353

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2edd519
Add continuous navigation when arrow key is held down
zGadli Apr 21, 2024
f04f8d5
Update script.js
zGadli Apr 30, 2024
4d400bb
Update script.js
dipu-bd Apr 30, 2024
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65 changes: 45 additions & 20 deletions lncrawl/assets/web/script.js
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Original file line number Diff line number Diff line change
@@ -1,24 +1,50 @@
// Handle key events
let keyPressTimer = null;
let navigationInterval = null;

function goToHref(el) {
if (!el) return;
const href = el.getAttribute("href");
if (href === "#") return;
window.location.href = href;
}

window.addEventListener("keyup", function (evt) {
function goToHref(el) {
if (!el) return;
const href = el.getAttribute("href");
if (href === "#") return;
window.location.href = href;
clearInterval(keyPressTimer);
clearInterval(navigationInterval);
switch (evt.key) {
case "ArrowLeft":
goToHref(document.querySelector("a.prev-button"));
break;
case "ArrowRight":
goToHref(document.querySelector("a.next-button"));
break;
default:
break;
}
});


switch (evt.key) {
case "ArrowLeft":
goToHref(document.querySelector("a.prev-button"));
break;
case "ArrowRight":
goToHref(document.querySelector("a.next-button"));
break;
default:
break;
}
});
window.addEventListener("keydown", function (evt) {
clearInterval(keyPressTimer);
clearInterval(navigationInterval);
switch (evt.key) {
case "ArrowLeft":
keyPressTimer = setTimeout(() => {
navigationInterval = setInterval(() => {
goToHref(document.querySelector("a.prev-button"));
}, 50);
}, 450);
break;
case "ArrowRight":
keyPressTimer = setTimeout(() => {
navigationInterval = setInterval(() => {
goToHref(document.querySelector("a.next-button"));
}, 50);
}, 450);
break;
default:
break;
}
});

// Handle next TOC select
function addTocSelectListener() {
Expand All @@ -38,10 +64,9 @@ function debouncedUpdate(evt) {
var height = document.body.scrollHeight - window.innerHeight + 10;
var percent = Math.round((100.0 * scroll) / height);
document.getElementById("readpos").innerText = percent + "%";
}, 100); // 100ms delay
}, 100); // 100ms delay
}


window.addEventListener("scroll", debouncedUpdate);

window.addEventListener("load", function (evt) {
Expand Down