107 lines
3.2 KiB
JavaScript
107 lines
3.2 KiB
JavaScript
function TabState(tabbed) {
|
|
this.container = tabbed;
|
|
this.tabs = tabbed.querySelector(".tab");
|
|
|
|
this.tabbar = document.createElement("div");
|
|
this.tabbar.classList.add("tab-bar");
|
|
this.container.insertBefore(this.tabbar, this.container.firstChild);
|
|
|
|
this.current_i = -1;
|
|
this.tab_buttons = [];
|
|
}
|
|
|
|
function switch_tab_old(state, tab_i) {
|
|
return function() {
|
|
if (state.current_i >= 0) {
|
|
state.tabs[state.current_i].classList.add("hidden");
|
|
state.tab_buttons[state.current_i].classList.remove("current");
|
|
}
|
|
|
|
state.tabs[tab_i].classList.remove("hidden");
|
|
state.tab_buttons[tab_i].classList.add("current");
|
|
|
|
var hash = "";
|
|
if (state.tabs[tab_i].hasAttribute("data-url-hash")) {
|
|
hash = state.tabs[tab_i].getAttribute("data-url-hash");
|
|
}
|
|
window.location.hash = hash;
|
|
|
|
state.current_i = tab_i;
|
|
};
|
|
}
|
|
|
|
document.addEventListener("DOMContentLoaded", function() {
|
|
const tabContainers = document.getElementsByClassName("tabbed");
|
|
for (const container of tabContainers) {
|
|
const tabBar = document.createElement("div");
|
|
tabBar.classList.add("tab-bar");
|
|
container.insertAdjacentElement('afterbegin', tabBar);
|
|
|
|
const tabs = container.querySelectorAll(".tab");
|
|
for (let i = 0; i < tabs.length; i++) {
|
|
const tab = tabs[i];
|
|
tab.classList.toggle('dn', i > 0);
|
|
|
|
const slug = tab.getAttribute("data-slug");
|
|
|
|
// TODO: Should this element be a link?
|
|
const tabButton = document.createElement("div");
|
|
tabButton.classList.add("tab-button");
|
|
tabButton.classList.toggle("current", i === 0);
|
|
tabButton.innerText = tab.getAttribute("data-name");
|
|
tabButton.setAttribute("data-slug", slug);
|
|
|
|
tabButton.addEventListener("click", () => {
|
|
switchTab(container, slug);
|
|
});
|
|
|
|
tabBar.appendChild(tabButton);
|
|
}
|
|
|
|
const initialSlug = window.location.hash;
|
|
if (initialSlug) {
|
|
switchTab(container, initialSlug.substring(1));
|
|
}
|
|
}
|
|
});
|
|
|
|
function switchTab(container, slug) {
|
|
const tabs = container.querySelectorAll('.tab');
|
|
|
|
let didMatch = false;
|
|
for (const tab of tabs) {
|
|
const slugMatches = tab.getAttribute("data-slug") === slug;
|
|
tab.classList.toggle('dn', !slugMatches);
|
|
|
|
if (slugMatches) {
|
|
didMatch = true;
|
|
}
|
|
}
|
|
|
|
const tabButtons = document.querySelectorAll(".tab-button");
|
|
for (const tabButton of tabButtons) {
|
|
const buttonSlug = tabButton.getAttribute("data-slug");
|
|
tabButton.classList.toggle('current', slug === buttonSlug);
|
|
}
|
|
|
|
if (!didMatch) {
|
|
// switch to first tab as a fallback
|
|
tabs[0].classList.remove('dn');
|
|
tabButtons[0].classList.add('current');
|
|
}
|
|
|
|
window.location.hash = slug;
|
|
}
|
|
|
|
function switchToTabOfElement(container, el) {
|
|
const tabs = Array.from(container.querySelectorAll('.tab'));
|
|
let target = el.parentElement;
|
|
while (target) {
|
|
if (tabs.includes(target)) {
|
|
switchTab(container, target.getAttribute("data-slug"));
|
|
return;
|
|
}
|
|
target = target.parentElement;
|
|
}
|
|
}
|