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/**
* navigation.js
*
* Handles toggling the navigation menu for small screens.
* Also adds a focus class to parent li's for accessibility.
* Finally adds a class required to reveal the search in the handheld footer bar.
*/
( function() {
// Add class to footer search when clicked
jQuery( window ).load( function() {
jQuery( '.storefront-handheld-footer-bar .search > a' ).click( function(e) {
jQuery( this ).parent().toggleClass( 'active' );
e.preventDefault();
});
});
var container, button, menu;
container = document.getElementById( 'site-navigation' );
if ( ! container ) {
return;
}
button = container.getElementsByTagName( 'button' )[0];
if ( 'undefined' === typeof button ) {
return;
}
menu = container.getElementsByTagName( 'ul' )[0];
// Hide menu toggle button if menu is empty and return early.
if ( 'undefined' === typeof menu ) {
button.style.display = 'none';
return;
}
menu.setAttribute( 'aria-expanded', 'false' );
if ( -1 === menu.className.indexOf( 'nav-menu' ) ) {
menu.className += ' nav-menu';
}
button.onclick = function() {
if ( -1 !== container.className.indexOf( 'toggled' ) ) {
container.className = container.className.replace( ' toggled', '' );
button.setAttribute( 'aria-expanded', 'false' );
menu.setAttribute( 'aria-expanded', 'false' );
} else {
container.className += ' toggled';
button.setAttribute( 'aria-expanded', 'true' );
menu.setAttribute( 'aria-expanded', 'true' );
}
};
// Add focus class to li
jQuery( '.main-navigation, .secondary-navigation' ).find( 'a' ).on( 'focus.storefront blur.storefront', function() {
jQuery( this ).parents().toggleClass( 'focus' );
});
// Add focus to cart dropdown
jQuery( window ).load( function() {
jQuery( '.site-header-cart' ).find( 'a' ).on( 'focus.storefront blur.storefront', function() {
jQuery( this ).parents().toggleClass( 'focus' );
});
});
if ( is_touch_device() && jQuery( window ).width() > 767 ) {
// Add an identifying class to dropdowns when on a touch device
// This is required to switch the dropdown hiding method from a negative `left` value to `display: none`.
jQuery( '.main-navigation ul ul, .secondary-navigation ul ul, .site-header-cart .widget_shopping_cart' ).addClass( 'sub-menu--is-touch-device' );
// Ensure the dropdowns close when user taps outside the site header
jQuery( '.site-content, .header-widget-region, .site-footer, .site-header:not(a)' ).on( 'click', function() {
return;
});
}
/**
* Check if the device is touch enabled
* @return Boolean
*/
function is_touch_device() {
return 'ontouchstart' in window || navigator.maxTouchPoints;
}
} )();