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/* 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);
}
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