1 files changed, 76 insertions, 0 deletions
diff --git a/libsoup/directory.js b/libsoup/directory.js
new file mode 100644
index 00000000..aa0b4a66
--- /dev/null
+++ b/libsoup/directory.js
@@ -0,0 +1,76 @@
+
+/* This code is based on Firefox directory listing, distributed under
+ * Mozilla Public License.
+ */
+
+'use strict';
+
+var gTable, gOrderBy, gTBody, gRows;
+
+document.addEventListener("DOMContentLoaded", function() {
+  gTable = document.getElementsByTagName("table")[0];
+  gTBody = gTable.tBodies[0];
+  if (gTBody.rows.length < 2)
+    return;
+  var headCells = gTable.tHead.rows[0].cells;
+  
+  function rowAction(i) {
+    return function(event) {
+      event.preventDefault();
+      orderBy(i);
+    }
+  }
+
+  for (var i = headCells.length - 1; i >= 0; i--) {
+    var anchor = document.createElement("a");
+    anchor.href = "";
+    anchor.appendChild(headCells[i].firstChild);
+    headCells[i].appendChild(anchor);
+    headCells[i].addEventListener("click", rowAction(i), true);
+  }
+  gTable.setAttribute("order", "");
+  orderBy(0);
+}, "false");
+
+function compareRows(rowA, rowB) {
+  var a = rowA.cells[gOrderBy].getAttribute("sortable-data") || rowA.cells[gOrderBy].innerHTML;
+  var b = rowB.cells[gOrderBy].getAttribute("sortable-data") || rowB.cells[gOrderBy].innerHTML;
+  var intA = +a;
+  var intB = +b;
+  if (a == intA && b == intB) {
+    a = intA;
+    b = intB;
+  } else {
+    a = a.toLowerCase();
+    b = b.toLowerCase();
+  }
+  if (a < b)
+    return -1;
+  if (a > b)
+    return 1;
+  return 0;
+}
+
+function orderBy(column) {
+  if (!gRows)
+    gRows = Array.from(gTBody.rows);
+  var order;
+  if (gOrderBy == column) {
+    order = gTable.getAttribute("order") == "asc" ? "desc" : "asc";
+  } else {
+    order = "asc";
+    gOrderBy = column;
+    gTable.setAttribute("order-by", column);
+    gRows.sort(compareRows);
+  }
+  gTable.removeChild(gTBody);
+  gTable.setAttribute("order", order);
+  if (order == "asc")
+    for (var i = 0; i < gRows.length; i++)
+      gTBody.appendChild(gRows[i]);
+  else
+    for (var i = gRows.length - 1; i >= 0; i--)
+      gTBody.appendChild(gRows[i]);
+  gTable.appendChild(gTBody);
+}
+