net/base/dir_header.html

<!DOCTYPE html>

<html dir="$i18n{textdirection}" lang="$i18n{language}">

<head>
<meta charset="utf-8">
<meta name="color-scheme" content="light dark">
<meta name="google" value="notranslate">

<script>
function addRow(name, url, isdir,
    size, size_string, date_modified, date_modified_string) {
  if (name == "." || name == "..")
    return;

  var root = document.location.pathname;
  if (root.substr(-1) !== "/")
    root += "/";

  var tbody = document.getElementById("tbody");
  var row = document.createElement("tr");
  var file_cell = document.createElement("td");
  var link = document.createElement("a");

  link.className = isdir ? "icon dir" : "icon file";

  if (isdir) {
    name = name + "/";
    url = url + "/";
    size = 0;
    size_string = "";
  } else {
    link.draggable = "true";
    link.addEventListener("dragstart", onDragStart, false);
  }
  link.innerText = name;
  link.href = root + url;

  file_cell.dataset.value = name;
  file_cell.appendChild(link);

  row.appendChild(file_cell);
  row.appendChild(createCell(size, size_string));
  row.appendChild(createCell(date_modified, date_modified_string));

  tbody.appendChild(row);
}

function onDragStart(e) {
  var el = e.srcElement;
  var name = el.innerText.replace(":", "");
  var download_url_data = "application/octet-stream:" + name + ":" + el.href;
  e.dataTransfer.setData("DownloadURL", download_url_data);
  e.dataTransfer.effectAllowed = "copy";
}

function createCell(value, text) {
  var cell = document.createElement("td");
  cell.setAttribute("class", "detailsColumn");
  cell.dataset.value = value;
  cell.innerText = text;
  return cell;
}

function start(location) {
  var header = document.getElementById("header");
  header.innerText = header.innerText.replace("LOCATION", location);

  document.getElementById("title").innerText = header.innerText;
}

function onHasParentDirectory() {
  var box = document.getElementById("parentDirLinkBox");
  box.style.display = "block";

  var root = document.location.pathname;
  if (!root.endsWith("/"))
    root += "/";

  var link = document.getElementById("parentDirLink");
  link.href = root + "..";
}

function sortTable(column) {
  var theader = document.getElementById("theader");
  var oldOrder = theader.cells[column].dataset.order || '1';
  oldOrder = parseInt(oldOrder, 10)
  var newOrder = 0 - oldOrder;
  theader.cells[column].dataset.order = newOrder;

  var tbody = document.getElementById("tbody");
  var rows = tbody.rows;
  var list = [], i;
  for (i = 0; i < rows.length; i++) {
    list.push(rows[i]);
  }

  list.sort(function(row1, row2) {
    var a = row1.cells[column].dataset.value;
    var b = row2.cells[column].dataset.value;
    if (column) {
      a = parseInt(a, 10);
      b = parseInt(b, 10);
      return a > b ? newOrder : a < b ? oldOrder : 0;
    }

    // Column 0 is text.
    if (a > b)
      return newOrder;
    if (a < b)
      return oldOrder;
    return 0;
  });

  // Appending an existing child again just moves it.
  for (i = 0; i < list.length; i++) {
    tbody.appendChild(list[i]);
  }
}

// Add event handlers to column headers.
function addHandlers(element, column) {
  element.onclick = (e) => sortTable(column);
  element.onkeydown = (e) => {
    if (e.key == 'Enter' || e.key == ' ') {
      sortTable(column);
      e.preventDefault();
    }
  };
}

function onLoad() {
  addHandlers(document.getElementById('nameColumnHeader'), 0);
  addHandlers(document.getElementById('sizeColumnHeader'), 1);
  addHandlers(document.getElementById('dateColumnHeader'), 2);
}

window.addEventListener('DOMContentLoaded', onLoad);
</script>

<style>

  h1 {
    border-bottom: 1px solid #c0c0c0;
    margin-bottom: 10px;
    padding-bottom: 10px;
    white-space: nowrap;
  }

  table {
    border-collapse: collapse;
  }

  th {
    cursor: pointer;
  }

  td.detailsColumn {
    padding-inline-start: 2em;
    text-align: end;
    white-space: nowrap;
  }

  a.icon {
    padding-inline-start: 1.5em;
    text-decoration: none;
    user-select: auto;
  }

  a.icon:hover {
    text-decoration: underline;
  }

  a.file {
    background : url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAIAAACQkWg2AAAABnRSTlMAAAAAAABupgeRAAABEElEQVR42nRRx3HDMBC846AHZ7sP54BmWAyrsP588qnwlhqw/k4v5ZwWxM1hzmGRgV1cYqrRarXoH2w2m6qqiqKIR6cPtzc3xMSML2Te7XZZlnW7Pe/91/dX47WRBHuA9oyGmRknzGDjab1ePzw8bLfb6WRalmW4ip9FDVpYSWZgOp12Oh3nXJ7nxoJSGEciteP9y+fH52q1euv38WosqA6T2gGOT44vry7BEQtJkMAMMpa6JagAMcUfWYa4hkkzAc7fFlSjwqCoOUYAF5RjHZPVCFBOtSBGfgUDji3c3jpibeEMQhIMh8NwshqyRsBJgvF4jMs/YlVR5KhgNpuBLzk0OcUiR3CMhcPaOzsZiAAA/AjmaB3WZIkAAAAASUVORK5CYII=") left top no-repeat;
  }

  a.dir {
    background : url("data:image/png;base64,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") left top no-repeat;
  }

  a.up {
    background : url("data:image/png;base64,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") left top no-repeat;
  }

  html[dir=rtl] a {
    background-position-x: right;
  }

  #parentDirLinkBox {
    margin-bottom: 10px;
    padding-bottom: 10px;
  }
</style>

<title id="title"></title>

</head>

<body>

<h1 id="header">$i18n{header}</h1>

<div id="parentDirLinkBox" style="display:none">
  <a id="parentDirLink" class="icon up">
    <span id="parentDirText">$i18n{parentDirText}</span>
  </a>
</div>

<table>
  <thead>
    <tr class="header" id="theader">
      <th id="nameColumnHeader" tabindex=0 role="button">$i18n{headerName}</th>
      <th id="sizeColumnHeader" class="detailsColumn" tabindex=0 role="button">
        $i18n{headerSize}
      </th>
      <th id="dateColumnHeader" class="detailsColumn" tabindex=0 role="button">
        $i18n{headerDateModified}
      </th>
    </tr>
  </thead>
  <tbody id="tbody">
  </tbody>
</table>

</body>

</html>