/**
 * @copyright  (C) 2019 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */(()=>{function f(n,s){const e=n.querySelector("ul");e&&(e.setAttribute("aria-hidden","false"),e.classList.add(s.menuHoverClass))}function h(n,s){const e=n.querySelector("ul");e&&(e.setAttribute("aria-hidden","true"),e.classList.remove(s.menuHoverClass))}function m(n){const s={menuHoverClass:"show-menu"};n.querySelectorAll(":scope > li").forEach(e=>{const o=e.querySelector("a");o&&(o.tabIndex="0",o.addEventListener("mouseover",f(e,s)),o.addEventListener("mouseout",h(e,s)));const l=e.querySelector("span");l&&(l.parentNode.nodeName!=="A"&&(l.tabIndex="0"),l.addEventListener("mouseover",f(e,s)),l.addEventListener("mouseout",h(e,s))),e.addEventListener("mouseover",({currentTarget:r})=>{const t=r.querySelector("ul");t&&(t.setAttribute("aria-hidden","false"),t.classList.add(s.menuHoverClass))}),e.addEventListener("mouseout",({currentTarget:r})=>{const t=r.querySelector("ul");t&&(t.setAttribute("aria-hidden","true"),t.classList.remove(s.menuHoverClass))}),e.addEventListener("focus",({currentTarget:r})=>{const t=r.querySelector("ul");t&&(t.setAttribute("aria-hidden","true"),t.classList.add(s.menuHoverClass))}),e.addEventListener("blur",({currentTarget:r})=>{const t=r.querySelector("ul");t&&(t.setAttribute("aria-hidden","false"),t.classList.remove(s.menuHoverClass))}),e.addEventListener("keydown",r=>{const t=r.key,i=r.target.parentElement,d=i.parentElement;let c=i.previousElementSibling,u=i.nextElementSibling;switch(c||(c=d.children[d.children.length-1]),u||([u]=d.children),t){case"ArrowLeft":r.preventDefault(),c.children[0].focus();break;case"ArrowRight":r.preventDefault(),u.children[0].focus();break;case"ArrowUp":{r.preventDefault();const a=i.parentElement.parentElement;a.nodeName==="LI"?a.children[0].focus():c.children[0].focus();break}case"ArrowDown":if(r.preventDefault(),i.classList.contains("parent")){const a=i.querySelector("ul");a!=null?a.querySelector("li").children[0].focus():u.children[0].focus()}else u.children[0].focus();break}})})}document.addEventListener("DOMContentLoaded",()=>{document.querySelectorAll(".nav").forEach(n=>m(n))})})();