228 lines
7.7 KiB
JavaScript
228 lines
7.7 KiB
JavaScript
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( function() {
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'use strict';
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if ( 'querySelector' in document && 'addEventListener' in window ) {
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/**
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* matches() pollyfil
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* @see https://developer.mozilla.org/en-US/docs/Web/API/Element/closest#Browser_compatibility
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*/
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if ( ! Element.prototype.matches ) {
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Element.prototype.matches = Element.prototype.msMatchesSelector || Element.prototype.webkitMatchesSelector;
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}
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/**
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* closest() pollyfil
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* @see https://developer.mozilla.org/en-US/docs/Web/API/Element/closest#Browser_compatibility
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*/
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if ( ! Element.prototype.closest ) {
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Element.prototype.closest = function( s ) {
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var el = this;
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var ancestor = this;
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if ( ! document.documentElement.contains( el ) ) {
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return null;
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}
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do {
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if ( ancestor.matches( s ) ) {
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return ancestor;
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}
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ancestor = ancestor.parentElement;
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} while ( ancestor !== null );
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return null;
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};
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}
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var allNavToggles = document.querySelectorAll( '.menu-toggle' ),
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dropdownToggle = document.querySelectorAll( 'nav .dropdown-menu-toggle' ),
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navLinks = document.querySelectorAll( 'nav ul a' ),
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body = document.body,
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htmlEl = document.documentElement;
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/**
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* Start mobile menu toggle.
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*
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* @param e The event.
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* @param _this The clicked item.
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*/
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var toggleNav = function( e, _this ) {
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if ( ! _this ) {
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var _this = this;
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}
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if ( _this.getAttribute( 'data-nav' ) ) {
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var parentContainer = document.getElementById( _this.getAttribute( 'data-nav' ) );
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} else {
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var parentContainer = document.getElementById( _this.closest( 'nav' ).getAttribute( 'id' ) );
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}
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var nav = parentContainer.getElementsByTagName( 'ul' )[0];
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if ( parentContainer.classList.contains( 'toggled' ) ) {
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parentContainer.classList.remove( 'toggled' );
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htmlEl.classList.remove( 'mobile-menu-open' );
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nav.setAttribute( 'aria-hidden', 'true' );
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_this.setAttribute( 'aria-expanded', 'false' );
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if ( body.classList.contains( 'dropdown-hover' ) ) {
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var dropdownItems = nav.querySelectorAll( 'li.menu-item-has-children' );
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for ( var i = 0; i < dropdownItems.length; i++ ) {
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dropdownItems[i].querySelector( '.dropdown-menu-toggle' ).removeAttribute( 'tabindex' );
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dropdownItems[i].querySelector( '.dropdown-menu-toggle' ).setAttribute( 'role', 'presentation' );
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dropdownItems[i].querySelector( '.dropdown-menu-toggle' ).removeAttribute( 'aria-expanded' );
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}
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}
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} else {
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parentContainer.classList.add( 'toggled' );
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htmlEl.classList.add( 'mobile-menu-open' );
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nav.setAttribute( 'aria-hidden', 'false' );
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_this.setAttribute( 'aria-expanded', 'true' );
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if ( body.classList.contains( 'dropdown-hover' ) ) {
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var dropdownItems = nav.querySelectorAll( 'li.menu-item-has-children' );
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for ( var i = 0; i < dropdownItems.length; i++ ) {
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dropdownItems[i].querySelector( '.dropdown-menu-toggle' ).setAttribute( 'tabindex', '0' );
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dropdownItems[i].querySelector( '.dropdown-menu-toggle' ).setAttribute( 'role', 'button' );
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dropdownItems[i].querySelector( '.dropdown-menu-toggle' ).setAttribute( 'aria-expanded', 'false' );
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}
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}
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}
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}
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for ( var i = 0; i < allNavToggles.length; i++ ) {
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allNavToggles[i].addEventListener( 'click', toggleNav, false );
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}
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/**
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* Open sub-menus
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*
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* @param e The event.
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* @param _this The clicked item.
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*/
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var toggleSubNav = function( e, _this ) {
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if ( ! _this ) {
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var _this = this;
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}
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if ( ( _this.closest( 'nav' ).classList.contains( 'toggled' ) || htmlEl.classList.contains( 'slide-opened' ) ) && ! body.classList.contains( 'dropdown-click' ) ) {
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e.preventDefault();
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var closestLi = _this.closest( 'li' );
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var dropdownToggle = closestLi.querySelector( '.dropdown-menu-toggle' );
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if ( 'false' == dropdownToggle.getAttribute( 'aria-expanded' ) ) {
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dropdownToggle.setAttribute( 'aria-expanded', 'true' );
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} else {
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dropdownToggle.setAttribute( 'aria-expanded', 'false' );
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}
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if ( closestLi.querySelector( '.sub-menu' ) ) {
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var subMenu = closestLi.querySelector( '.sub-menu' );
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} else {
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var subMenu = closestLi.querySelector( '.children' );
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}
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closestLi.classList.toggle( 'sfHover' );
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subMenu.classList.toggle( 'toggled-on' );
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}
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e.stopPropagation();
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}
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for ( var i = 0; i < dropdownToggle.length; i++ ) {
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dropdownToggle[i].addEventListener( 'click', toggleSubNav, false );
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dropdownToggle[i].addEventListener( 'keypress', function( e ) {
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var key = e.which || e.keyCode;
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if (key === 13) { // 13 is enter
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toggleSubNav( e, this );
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}
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}, false );
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}
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/**
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* Disable the mobile menu if our toggle isn't visible.
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* Makes it possible to style mobile item with .toggled class.
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*/
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var checkMobile = function() {
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for ( var i = 0; i < allNavToggles.length; i++ ) {
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if ( allNavToggles[i].offsetParent === null ) {
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var closestParent = allNavToggles[i].closest( 'nav' );
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if ( closestParent && closestParent.classList.contains( 'toggled' ) ) {
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var closestNav = closestParent.getElementsByTagName( 'ul' )[0];
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var closestNavItems = closestNav.getElementsByTagName( 'li' );
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var closestSubMenus = closestNav.getElementsByTagName( 'ul' );
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document.activeElement.blur();
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closestParent.classList.remove( 'toggled' );
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htmlEl.classList.remove( 'mobile-menu-open' );
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allNavToggles[i].setAttribute( 'aria-expanded', 'false' );
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for ( var li = 0; li < closestNavItems.length; li++ ) {
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closestNavItems[li].classList.remove( 'sfHover' );
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}
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for ( var sm = 0; sm < closestSubMenus.length; sm++ ) {
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closestSubMenus[sm].classList.remove( 'toggled-on' );
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}
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if ( closestNav ) {
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closestNav.removeAttribute( 'aria-hidden' );
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}
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if ( body.classList.contains( 'dropdown-hover' ) ) {
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var dropdownItems = closestParent.querySelectorAll( 'li.menu-item-has-children' );
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for ( var d = 0; d < dropdownItems.length; d++ ) {
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dropdownItems[d].querySelector( '.dropdown-menu-toggle' ).removeAttribute( 'tabindex' );
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dropdownItems[d].querySelector( '.dropdown-menu-toggle' ).setAttribute( 'role', 'presentation' );
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dropdownItems[d].querySelector( '.dropdown-menu-toggle' ).removeAttribute( 'aria-expanded' );
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}
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}
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}
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}
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}
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}
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window.addEventListener( 'resize', checkMobile, false );
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window.addEventListener( 'orientationchange', checkMobile, false );
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if ( body.classList.contains( 'dropdown-hover' ) ) {
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/**
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* Do some essential things when menu items are clicked.
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*/
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for ( var i = 0; i < navLinks.length; i++ ) {
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navLinks[i].addEventListener( 'click', function( e ) {
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// Remove sfHover class if we're going to another site.
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if ( this.hostname !== window.location.hostname ) {
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document.activeElement.blur();
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}
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var closest_nav = this.closest( 'nav' );
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if ( closest_nav.classList.contains( 'toggled' ) || htmlEl.classList.contains( 'slide-opened' ) ) {
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var url = this.getAttribute( 'href' );
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// Open the sub-menu if the link has no destination
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if ( '#' == url || '' == url ) {
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e.preventDefault();
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var closestLi = this.closest( 'li' );
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closestLi.classList.toggle( 'sfHover' );
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var subMenu = closestLi.querySelector( '.sub-menu' );
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if ( subMenu ) {
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subMenu.classList.toggle( 'toggled-on' );
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}
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}
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// Close the mobile menu if our link does something - good for one page sites.
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if ( '#' !== url && '' !== url && ! navigator.userAgent.match( /iemobile/i ) ) {
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setTimeout( function() {
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closest_nav.classList.remove( 'toggled' );
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htmlEl.classList.remove( 'mobile-menu-open' );
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}, 200 );
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}
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}
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}, false );
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}
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}
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}
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})();
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