128 lines
4.2 KiB
JavaScript
128 lines
4.2 KiB
JavaScript
const video_formats = ["webm", "mp4"];
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const audio_formats = ["mp3", "flac", "opus", "ogg", "m4a"];
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const image_formats = ["jpg", "jpeg", "gif", "png", "bmp", "webp"];
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const overlay = document.getElementById("overlay");
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let g_scale = 1;
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let g_volume = 0.5;
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function mousescroll(e) {
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e.preventDefault();
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g_scale = Math.min(Math.max(0.25, g_scale + (e.deltaY * -0.001)), 4);
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e.target.style.transform = `scale(${g_scale})`;
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}
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function onvolumechange(e) {
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g_volume = e.target.volume;
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}
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const ext_filter = (ext, pathname) => pathname.toLowerCase().endsWith(ext);
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function to_overlay(eltyp, pathname) {
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const el = document.createElement(eltyp);
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const el_label = document.createElement("span");
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el_label.textContent = decodeURI(pathname.substr(pathname.lastIndexOf("/") + 1));
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if (eltyp !== "audio") el.addEventListener('wheel', mousescroll);
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if (eltyp !== "img") {
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el.autoplay = el.controls = true;
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el.addEventListener("volumechange", onvolumechange);
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el.volume = g_volume;
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}
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el.src = pathname;
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overlay.appendChild(el);
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overlay.appendChild(el_label);
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overlay.style.visibility = "visible";
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}
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document.getElementById("overlay").addEventListener("click", e => {
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e.target.firstChild.remove();
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e.target.firstChild.remove();
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e.target.style.visibility = "hidden";
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g_scale = 1;
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});
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const file_links = Array.from(document.getElementsByTagName('tr')).slice(2)
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.filter(e => e.lastChild.innerHTML != "DIR").map(l => l.firstChild.firstChild);
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file_links.forEach(f => f.addEventListener('click', e => {
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const pathname = e.target.pathname;
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if (video_formats.some(ext => ext_filter(ext, pathname)))
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to_overlay("video", pathname);
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else if (audio_formats.some(ext => ext_filter(ext, pathname)))
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to_overlay("audio", pathname);
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else if (image_formats.some(ext => ext_filter(ext, pathname)))
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to_overlay("img", pathname);
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if (overlay.firstChild != null)
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e.preventDefault();
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}));
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const [thead_name, thead_date, thead_size] = document.getElementsByTagName('thead')[0]
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.getElementsByTagName('tr')[0].getElementsByTagName('th');
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const tbody = document.getElementsByTagName('tbody')[0];
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let g_sort_reverse = false;
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thead_name.classList.toggle("clickable");
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thead_name.addEventListener('click', e => {
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e.preventDefault();
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sortTable((a,b) => {
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const a_name = a.children[0].textContent.toLowerCase();
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const b_name = b.children[0].textContent.toLowerCase();
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return a_name < b_name ? -1 : a_name > b_name ? 1 : 0;
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}, thead_name, [thead_date, thead_size]);
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});
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thead_date.classList.toggle("clickable");
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thead_date.addEventListener('click', e => {
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e.preventDefault();
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sortTable((a,b) => {
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const a_date = new Date(a.children[1].textContent.slice(0, -4));
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const b_date = new Date(b.children[1].textContent.slice(0, -4));
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return a_date - b_date;
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}, thead_date, [thead_name, thead_size]);
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});
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const units = {"B": 0, "KiB": 1, "MiB": 2, "GiB": 3, "TiB": 4};
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function sizeToBytes(size, unit) {
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if (units[unit] == 0) return size;
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for (let i = 0; i < units[unit]; ++i) size *= 1024;
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return size;
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}
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thead_size.classList.toggle("clickable");
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thead_size.addEventListener('click', e => {
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e.preventDefault();
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sortTable((a,b) => {
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if (a.textContent == "DIR")
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return 1;
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let [a_size, a_unit] = a.children[2].textContent.split(" ");
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let [b_size, b_unit] = b.children[2].textContent.split(" ");
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return sizeToBytes(+a_size, a_unit) - sizeToBytes(+b_size, b_unit);
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}, thead_size, [thead_name, thead_date]);
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});
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function sortTable(compareFn, target, other) {
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const records = Array.from(document.getElementsByTagName('tbody')[0].children)
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records.sort(compareFn);
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tbody.textContent = "";
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other.forEach(v => {
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v.classList.remove("sort-up");
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v.classList.remove("sort-down");
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});
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if (g_sort_reverse) {
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tbody.append(...records.reverse());
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target.classList.add("sort-down");
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target.classList.remove("sort-up");
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} else {
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tbody.append(...records);
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target.classList.add("sort-up");
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target.classList.remove("sort-down");
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}
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g_sort_reverse = !g_sort_reverse;
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} |