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import { isTouchDevice } from '../helpers/is-touch-device' import { isIosDevice } from '../helpers/is-ios-device' const isRtl = () => document.querySelector('html').dir === 'rtl' const isEligibleForSubmenu = (el) => el.className.includes('animated-submenu') && (!el.parentNode.classList.contains('menu') \|\| (el.className.indexOf('ct-mega-menu') === -1 && el.parentNode.classList.contains('menu'))) const getAllParents = (a) => { var els = [] while (a) { els.unshift(a) a = a.parentNode } return els } function furthest(el, s) { var nodes = [] while (el.parentNode) { if ( el.parentNode && el.parentNode.matches && el.parentNode.matches(s) ) { nodes.push(el.parentNode) } el = el.parentNode } return nodes[nodes.length - 1] } const getAllParentsUntil = (el, parent) => { const parents = [] while (el.parentNode !== parent) { parents.push(el.parentNode) el = el.parentNode } return parents } const reversePlacementIfNeeded = (placement) => { if (!isRtl()) { return placement } if (placement === 'left') { return 'right' } if (placement === 'right') { return 'left' } return placement } const getPreferedPlacementFor = (el) => { let farmost = furthest(el, 'li.menu-item') if (!farmost) { return reversePlacementIfNeeded('right') } const submenusWithParents = [...farmost.querySelectorAll('.sub-menu')].map( (el) => { return { el, parents: getAllParentsUntil(el, farmost) } } ) if (submenusWithParents.length === 0) { return reversePlacementIfNeeded('right') } const submenusWithParentsSorted = submenusWithParents .sort((a, b) => a.parents.length - b.parents.length) .reverse() const submenuWithMostParents = submenusWithParentsSorted[0] const allSubmenus = [ ...submenuWithMostParents.parents.filter((el) => el.matches('.sub-menu') ), ...[submenuWithMostParents.el], ] const allSubmenusAlignedWidth = allSubmenus.reduce((acc, el, index) => { const style = getComputedStyle(el) return ( acc + el.getBoundingClientRect().width + (index === 0 ? 0 : parseFloat( style.getPropertyValue( '--dropdown-horizontal-offset' ) \|\| '5px' )) ) }, 0) const farmostRect = farmost.getBoundingClientRect() let willItFitToTheLeft = allSubmenusAlignedWidth < farmostRect.right let willItFitToTheRight = innerWidth - farmostRect.left > allSubmenusAlignedWidth if (farmost.matches('.animated-submenu-inline')) { willItFitToTheRight = innerWidth - farmostRect.left - farmostRect.width > allSubmenusAlignedWidth } if (isRtl()) { if (!willItFitToTheLeft && !willItFitToTheRight) { return 'left' } return willItFitToTheLeft ? 'left' : 'right' } if (!willItFitToTheLeft && !willItFitToTheRight) { return 'right' } return willItFitToTheRight ? 'right' : 'left' } const computeItemSubmenuFor = ( reference, { // left -- 1st level menu items // end -- submenus startPosition = 'end', } ) => { const menu = reference.querySelector('.sub-menu') const placement = getPreferedPlacementFor(menu) const { left, width, right } = menu.getBoundingClientRect() let futurePlacement = placement let referenceRect = reference.getBoundingClientRect() if (placement === 'left') { let referencePoint = startPosition === 'end' ? referenceRect.left : referenceRect.right if (referencePoint - width < 0) { futurePlacement = 'right' } } if (placement === 'right') { let referencePoint = startPosition === 'end' ? referenceRect.right : referenceRect.left if (referencePoint + width > innerWidth) { futurePlacement = 'left' } } reference.dataset.submenu = futurePlacement reference.addEventListener('click', () => {}) } const openSubmenu = (e) => { const li = e.target.closest('li') if (li.__closeSubmenuTimer__) { clearTimeout(li.__closeSubmenuTimer__) li.__closeSubmenuTimer__ = null } li.classList.add('ct-active') let childIndicator = [...li.children].find((el) => el.matches('.ct-toggle-dropdown-desktop-ghost') ) if (!childIndicator) { childIndicator = li.firstElementChild } if (childIndicator) { childIndicator.setAttribute('aria-expanded', 'true') if (childIndicator.tagName.toLowerCase() === 'button') { childIndicator.setAttribute( 'aria-label', ct_localizations.collapse_submenu ) } } if (!isEligibleForSubmenu(li)) { return } const menu = li.querySelector('.sub-menu') mountMenuLevel(menu) if (menu.closest('[data-interaction="hover"]')) { menu.parentNode.addEventListener( 'mouseleave', () => { ;[...menu.children] .filter((el) => isEligibleForSubmenu(el)) .map((el) => el.removeAttribute('data-submenu')) }, { once: true } ) } } const closeSubmenu = (e) => { if (!e.target) { return } const li = e.target.closest('li') li.classList.remove('ct-active') let childIndicator = [...li.children].find((el) => el.matches('.ct-toggle-dropdown-desktop-ghost') ) if (!childIndicator) { childIndicator = li.firstElementChild } if (childIndicator) { childIndicator.setAttribute('aria-expanded', 'false') if (childIndicator.tagName.toLowerCase() === 'button') { childIndicator.setAttribute( 'aria-label', ct_localizations.expand_submenu ) } if (e.focusOnIndicator) { childIndicator.focus({ focusVisible: true, }) } } li.__closeSubmenuTimer__ = setTimeout(() => { li.__closeSubmenuTimer__ = null ;[...li.querySelectorAll('[data-submenu]')].map((el) => { el.removeAttribute('data-submenu') }) ;[...li.querySelectorAll('.ct-active')].map((el) => { el.classList.remove('ct-active') }) }, 30) } const mountMenuForElement = (el, args = {}) => { if (el.classList.contains('ct-mega-menu-custom-width')) { const menu = el.querySelector('.sub-menu') const elRect = el.getBoundingClientRect() const menuRect = menu.getBoundingClientRect() let centerFits = elRect.left + elRect.width / 2 > menuRect.width / 2 && innerWidth - (elRect.left + elRect.width / 2) > menuRect.width / 2 if (!centerFits) { const placement = getPreferedPlacementFor(menu) let offset = 0 let edgeOffset = 15 if (placement === 'right') { offset = `${ Math.round( elRect.left - (innerWidth - menuRect.width) + edgeOffset ) * -1 }px` if (!(elRect.left + elRect.width / 2 > menuRect.width / 2)) { offset = `${Math.round(elRect.left - edgeOffset) * -1}px` } } if (placement === 'left') { offset = `${ Math.round(innerWidth - elRect.right - edgeOffset) * -1 }px` } el.dataset.submenu = placement menu.style.setProperty('--theme-submenu-inline-offset', offset) } } if (isEligibleForSubmenu(el)) { computeItemSubmenuFor(el, args) } if (el.hasSubmenuEventListeners) { return } el.hasSubmenuEventListeners = true let hasClickInteraction = el.matches('[data-interaction="click"] ') el.addEventListener('keydown', function (e) { if (e.keyCode == 27) { closeSubmenu({ target: el.firstElementChild, focusOnIndicator: true, }) } }) el.addEventListener('focusout', (evt) => { if (el.contains(evt.relatedTarget)) { return } closeSubmenu({ target: el.firstElementChild, }) }) if (!hasClickInteraction) { const handleMouseEnter = () => { // So that mouseenter event is catched before the open itself if (isIosDevice()) { openSubmenu({ target: el.firstElementChild }) } else { requestAnimationFrame(() => { openSubmenu({ target: el.firstElementChild }) }) } // If first level if (!el.parentNode.classList.contains('.sub-menu')) { ;[...el.parentNode.children] .filter((firstLevelEl) => firstLevelEl !== el) .map((firstLevelEl) => { closeSubmenu({ target: firstLevelEl.firstElementChild, }) }) } el.addEventListener( 'mouseleave', () => { closeSubmenu({ target: el.firstElementChild }) }, { once: true } ) } el.addEventListener('mouseenter', handleMouseEnter) if (el.matches(':hover')) { handleMouseEnter() } // On Android devices, allow only 2nd click to open the link. // First click will ensure the submenu is opened // // iOS has this behaviour out of the box. // // Important: only perform this for touch devices so that keyboard // users are not affected. if (isTouchDevice()) { el.addEventListener('click', (e) => { if (!el.classList.contains('ct-active')) { e.preventDefault() } }) } } if (hasClickInteraction) { let itemTarget = el.matches('[data-interaction="item"] ') ? el.firstElementChild : el.firstElementChild.querySelector('.ct-toggle-dropdown-desktop') itemTarget.addEventListener('click', (e) => { e.preventDefault() if (e.target.closest('li').classList.contains('ct-active')) { closeSubmenu(e) } else { openSubmenu(e) if (isIosDevice()) { e.target.closest('li').addEventListener( 'mouseleave', () => { closeSubmenu({ target: el.firstElementChild, }) }, { once: true } ) } if (!e.target.hasDocumentListener) { e.target.hasDocumentListener = true // Add the event a bit later setTimeout(() => { document.addEventListener('click', (evt) => { if (!e.target.closest('li').contains(evt.target)) { closeSubmenu(e) } }) }) } } }) } let childIndicator = [...el.children].find((el) => el.matches('.ct-toggle-dropdown-desktop-ghost') ) if (childIndicator) { childIndicator.addEventListener('click', (e) => { if (e.target.closest('li').classList.contains('ct-active')) { closeSubmenu(e) } else { openSubmenu(e) } }) } } export const mountMenuLevel = (menuLevel, args = {}) => { ;[...menuLevel.children] .filter((el) => el.matches('.menu-item-has-children, .page_item_has_children') ) .map((el) => { mountMenuForElement(el, args) }) }

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