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// @ts-check
// Extra JS capability for selected tabs to be synced
// The selection is stored in local storage so that it persists across page loads.
/**
* @type {Record<string, HTMLElement[]>}
*/
let sd_id_to_elements = {};
const storageKeyPrefix = "sphinx-design-tab-id-";
/**
* Create a key for a tab element.
* @param {HTMLElement} el - The tab element.
* @returns {[string, string, string] | null} - The key.
*
*/
function create_key(el) {
let syncId = el.getAttribute("data-sync-id");
let syncGroup = el.getAttribute("data-sync-group");
if (!syncId || !syncGroup) return null;
return [syncGroup, syncId, syncGroup + "--" + syncId];
}
/**
* Initialize the tab selection.
*
*/
function ready() {
// Find all tabs with sync data
/** @type {string[]} */
let groups = [];
document.querySelectorAll(".sd-tab-label").forEach((label) => {
if (label instanceof HTMLElement) {
let data = create_key(label);
if (data) {
let [group, id, key] = data;
// add click event listener
// @ts-ignore
label.onclick = onSDLabelClick;
// store map of key to elements
if (!sd_id_to_elements[key]) {
sd_id_to_elements[key] = [];
}
sd_id_to_elements[key].push(label);
if (groups.indexOf(group) === -1) {
groups.push(group);
// Check if a specific tab has been selected via URL parameter
const tabParam = new URLSearchParams(window.location.search).get(
group
);
if (tabParam) {
console.log(
"sphinx-design: Selecting tab id for group '" +
group +
"' from URL parameter: " +
tabParam
);
window.sessionStorage.setItem(storageKeyPrefix + group, tabParam);
}
}
// Check is a specific tab has been selected previously
let previousId = window.sessionStorage.getItem(
storageKeyPrefix + group
);
if (previousId === id) {
// console.log(
// "sphinx-design: Selecting tab from session storage: " + id
// );
// @ts-ignore
label.previousElementSibling.checked = true;
}
}
}
});
}
/**
* Activate other tabs with the same sync id.
*
* @this {HTMLElement} - The element that was clicked.
*/
function onSDLabelClick() {
let data = create_key(this);
if (!data) return;
let [group, id, key] = data;
for (const label of sd_id_to_elements[key]) {
if (label === this) continue;
// @ts-ignore
label.previousElementSibling.checked = true;
}
window.sessionStorage.setItem(storageKeyPrefix + group, id);
}
document.addEventListener("DOMContentLoaded", ready, false);
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