/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
(
function () {
"use strict";
var dropdownClassName =
"sd-dropdown";
function getDropdownElement() {
var dropdownId = window.location.hash;
if (!dropdownId) {
return false;
}
var dropdownElement = document.getElementById(dropdownId.substring(1));
if (
!dropdownElement ||
!dropdownElement.classList.contains(dropdownClassName)
) {
return false;
}
return dropdownElement;
}
function setupDropdownLink() {
var dropdowns = document.getElementsByClassName(dropdownClassName);
for (
var i = 0; i < dropdowns.length; i++) {
for (
var j = 0; j < dropdowns[i].classList.length; j++) {
if (dropdowns[i].classList[j].startsWith(
"anchor-id-")) {
dropdowns[i].id = dropdowns[i].classList[j].replace(
"anchor-id-",
"");
}
}
var aTag = document.createElement(
"a");
aTag.setAttribute(
"href",
"#" + dropdowns[i].id);
aTag.classList.add(
"dropdown-link");
aTag.innerHTML =
"¶";
var summaryElement =
dropdowns[i].getElementsByClassName(
"sd-summary-title")[0];
summaryElement.insertBefore(
aTag,
summaryElement.getElementsByClassName(
"docutils")[0]
);
}
}
function scrollToDropdown() {
var dropdownElement = getDropdownElement();
if (dropdownElement) {
dropdownElement.open =
true;
dropdownElement.scrollIntoView(
true);
}
}
// Initialize dropdown link
window.addEventListener(
"DOMContentLoaded", () => {
if (document.getElementsByClassName(dropdownClassName).length) {
setupDropdownLink();
window.onhashchange = scrollToDropdown;
}
});
// Scroll to and open the dropdown direct links
window.onload = () => {
if (document.getElementsByClassName(dropdownClassName).length) {
scrollToDropdown();
}
};
})();