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/* global refru */
/**
* Theme functions file.
*
* Contains handlers for navigation and widget area.
*/
(function ($) {
var masthead, menuToggle, siteNavContain, siteNavigation;
function initMainNavigation(container) {
// Add dropdown toggle that displays child menu items.
var dropdownToggle = $('<button />', {
'class': 'dropdown-toggle',
'aria-expanded': false
})
.append('<i class="fa-angle-down icon fa"></i>')
.append($('<span />', {
'class': 'screen-reader-text',
text: refru.expand
}));
container.find('.menu-item-has-children > a, .page_item_has_children > a').after(dropdownToggle);
// Set the active submenu dropdown toggle button initial state.
container.find('.current-menu-ancestor > button')
//.addClass( 'toggled-on' )
.attr('aria-expanded', 'true')
.find('.screen-reader-text')
.text(refru.collapse);
// Set the active submenu initial state.
//container.find( '.current-menu-ancestor > .sub-menu' ).addClass( 'toggled-on' );
container.find('.dropdown-toggle').click(function (e) {
var _this = $(this),
screenReaderSpan = _this.find('.screen-reader-text');
e.preventDefault();
_this.toggleClass('toggled-on');
_this.next('.children, .sub-menu').toggleClass('toggled-on');
_this.attr('aria-expanded', _this.attr('aria-expanded') === 'false' ? 'true' : 'false');
screenReaderSpan.text(screenReaderSpan.text() === refru.expand ? refru.collapse : refru.expand);
});
}
initMainNavigation($('.main-navigation'));
masthead = $('#header');
menuToggle = masthead.find('.menu-toggle');
siteNavContain = masthead.find('.main-navigation');
siteNavigation = masthead.find('.main-navigation > div > ul');
// Enable menuToggle.
(function () {
// Return early if menuToggle is missing.
if (!menuToggle.length) {
return;
}
// Add an initial value for the attribute.
menuToggle.attr('aria-expanded', 'false');
menuToggle.on('click.refru', function () {
siteNavContain.toggleClass('toggled-on');
$(this).attr('aria-expanded', siteNavContain.hasClass('toggled-on'));
});
})();
// Fix sub-menus for touch devices and better focus for hidden submenu items for accessibility.
(function () {
if (!siteNavigation.length || !siteNavigation.children().length) {
return;
}
// Toggle `focus` class to allow submenu access on tablets.
function toggleFocusClassTouchScreen() {
if ('none' === $('.menu-toggle').css('display')) {
$(document.body).on('touchstart.refru', function (e) {
if (!$(e.target).closest('.main-navigation li').length) {
$('.main-navigation li').removeClass('focus');
}
});
siteNavigation.find('.menu-item-has-children > a, .page_item_has_children > a')
.on('touchstart.refru', function (e) {
var el = $(this).parent('li');
if (!el.hasClass('focus')) {
e.preventDefault();
el.toggleClass('focus');
el.siblings('.focus').removeClass('focus');
}
});
} else {
siteNavigation.find('.menu-item-has-children > a, .page_item_has_children > a').unbind('touchstart.refru');
}
}
if ('ontouchstart' in window) {
$(window).on('resize.refru', toggleFocusClassTouchScreen);
toggleFocusClassTouchScreen();
}
siteNavigation.find('a').on('focus.refru blur.refru', function () {
$(this).parents('.menu-item, .page_item').toggleClass('focus');
});
})();
})(jQuery);