Файл: wordpress/wp-content/themes/twentythirteen/js/functions.js
Строк: 190
<?php
/**
* Functionality specific to Twenty Thirteen.
*
* Provides helper functions to enhance the theme experience.
*/
( function( $ ) {
var body = $( 'body' ),
_window = $( window ),
nav, button, menu;
nav = $( '#site-navigation' );
button = nav.find( '.menu-toggle' );
menu = nav.find( '.nav-menu' );
/**
* Adds a top margin to the footer if the sidebar widget area is higher
* than the rest of the page, to help the footer always visually clear
* the sidebar.
*/
$( function() {
if ( body.is( '.sidebar' ) ) {
var sidebar = $( '#secondary .widget-area' ),
secondary = ( 0 === sidebar.length ) ? -40 : sidebar.height(),
margin = $( '#tertiary .widget-area' ).height() - $( '#content' ).height() - secondary;
if ( margin > 0 && _window.innerWidth() > 999 ) {
$( '#colophon' ).css( 'margin-top', margin + 'px' );
}
}
} );
/**
* Enables menu toggle for small screens.
*/
( function() {
if ( ! nav || ! button ) {
return;
}
// Hide button if menu is missing or empty.
if ( ! menu || ! menu.children().length ) {
button.hide();
return;
}
button.on( 'click.twentythirteen', function() {
nav.toggleClass( 'toggled-on' );
if ( nav.hasClass( 'toggled-on' ) ) {
$( this ).attr( 'aria-expanded', 'true' );
menu.attr( 'aria-expanded', 'true' );
} else {
$( this ).attr( 'aria-expanded', 'false' );
menu.attr( 'aria-expanded', 'false' );
}
} );
// Fix sub-menus for touch devices.
if ( 'ontouchstart' in window ) {
menu.find( '.menu-item-has-children > a, .page_item_has_children > a' ).on( 'touchstart.twentythirteen', function( e ) {
var el = $( this ).parent( 'li' );
if ( ! el.hasClass( 'focus' ) ) {
e.preventDefault();
el.toggleClass( 'focus' );
el.siblings( '.focus' ).removeClass( 'focus' );
}
} );
}
// Better focus for hidden submenu items for accessibility.
menu.find( 'a' ).on( 'focus.twentythirteen blur.twentythirteen', function() {
$( this ).parents( '.menu-item, .page_item' ).toggleClass( 'focus' );
} );
} )();
/**
* @summary Add or remove ARIA attributes.
* Uses jQuery's width() function to determine the size of the window and add
* the default ARIA attributes for the menu toggle if it's visible.
* @since Twenty Thirteen 1.5
*/
function onResizeARIA() {
if ( 643 > _window.width() ) {
button.attr( 'aria-expanded', 'false' );
menu.attr( 'aria-expanded', 'false' );
button.attr( 'aria-controls', 'primary-menu' );
} else {
button.removeAttr( 'aria-expanded' );
menu.removeAttr( 'aria-expanded' );
button.removeAttr( 'aria-controls' );
}
}
_window
.on( 'load.twentythirteen', onResizeARIA )
.on( 'resize.twentythirteen', function() {
onResizeARIA();
} );
/**
* Makes "skip to content" link work correctly in IE9 and Chrome for better
* accessibility.
*
* @link http://www.nczonline.net/blog/2013/01/15/fixing-skip-to-content-links/
*/
_window.on( 'hashchange.twentythirteen', function() {
var element = document.getElementById( location.hash.substring( 1 ) );
if ( element ) {
if ( ! /^(?:a|select|input|button|textarea)$/i.test( element.tagName ) ) {
element.tabIndex = -1;
}
element.focus();
}
} );
/**
* Arranges footer widgets vertically.
*/
if ( $.isFunction( $.fn.masonry ) ) {
var columnWidth = body.is( '.sidebar' ) ? 228 : 245;
$( '#secondary .widget-area' ).masonry( {
itemSelector: '.widget',
columnWidth: columnWidth,
gutterWidth: 20,
isRTL: body.is( '.rtl' )
} );
}
} )( jQuery );
?>