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/**
* Theme functions file
*
* Contains handlers for navigation, accessibility, header sizing
* footer widgets and Featured Content slider
*
*/
( function( $ ) {
var body = $( 'body' ),
_window = $( window ),
nav, button, menu;
nav = $( '#primary-navigation' );
button = nav.find( '.menu-toggle' );
menu = nav.find( '.nav-menu' );
// Enable menu toggle for small screens.
( function() {
if ( ! nav.length || ! button.length ) {
return;
}
// Hide button if menu is missing or empty.
if ( ! menu.length || ! menu.children().length ) {
button.hide();
return;
}
button.on( 'click.twentyfourteen', function() {
nav.toggleClass( 'toggled-on' );
if ( nav.hasClass( 'toggled-on' ) ) {
$( this ).attr( 'aria-expanded', 'true' );
menu.attr( 'aria-expanded', 'true' );
} else {
$( this ).attr( 'aria-expanded', 'false' );
menu.attr( 'aria-expanded', 'false' );
}
} );
} )();
/*
* Makes "skip to content" link work correctly in IE9 and Chrome for better
* accessibility.
*
* @link http://www.nczonline.net/blog/2013/01/15/fixing-skip-to-content-links/
*/
_window.on( 'hashchange.twentyfourteen', function() {
var hash = location.hash.substring( 1 ), element;
if ( ! hash ) {
return;
}
element = document.getElementById( hash );
if ( element ) {
if ( ! /^(?:a|select|input|button|textarea)$/i.test( element.tagName ) ) {
element.tabIndex = -1;
}
element.focus();
// Repositions the window on jump-to-anchor to account for header height.
window.scrollBy( 0, -80 );
}
} );
$( function() {
// Search toggle.
$( '.search-toggle' ).on( 'click.twentyfourteen', function( event ) {
var that = $( this ),
wrapper = $( '#search-container' ),
container = that.find( 'a' );
that.toggleClass( 'active' );
wrapper.toggleClass( 'hide' );
if ( that.hasClass( 'active' ) ) {
container.attr( 'aria-expanded', 'true' );
} else {
container.attr( 'aria-expanded', 'false' );
}
if ( that.is( '.active' ) || $( '.search-toggle .screen-reader-text' )[0] === event.target ) {
wrapper.find( '.search-field' ).focus();
}
} );
/*
* Fixed header for large screen.
* If the header becomes more than 48px tall, unfix the header.
*
* The callback on the scroll event is only added if there is a header
* image and we are not on mobile.
*/
if ( _window.width() > 781 ) {
var mastheadHeight = $( '#masthead' ).height(),
toolbarOffset, mastheadOffset;
if ( mastheadHeight > 48 ) {
body.removeClass( 'masthead-fixed' );
}
if ( body.is( '.header-image' ) ) {
toolbarOffset = body.is( '.admin-bar' ) ? $( '#wpadminbar' ).height() : 0;
mastheadOffset = $( '#masthead' ).offset().top - toolbarOffset;
_window.on( 'scroll.twentyfourteen', function() {
if ( _window.scrollTop() > mastheadOffset && mastheadHeight < 49 ) {
body.addClass( 'masthead-fixed' );
} else {
body.removeClass( 'masthead-fixed' );
}
} );
}
}
// Focus styles for menus.
$( '.primary-navigation, .secondary-navigation' ).find( 'a' ).on( 'focus.twentyfourteen blur.twentyfourteen', function() {
$( this ).parents().toggleClass( 'focus' );
} );
} );
/**
* 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 Fourteen 1.4
*/
function onResizeARIA() {
if ( 781 > _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.twentyfourteen', onResizeARIA )
.on( 'resize.twentyfourteen', function() {
onResizeARIA();
} );
_window.load( function() {
var footerSidebar,
isCustomizeSelectiveRefresh = ( 'undefined' !== typeof wp && wp.customize && wp.customize.selectiveRefresh );
// Arrange footer widgets vertically.
if ( $.isFunction( $.fn.masonry ) ) {
footerSidebar = $( '#footer-sidebar' );
footerSidebar.masonry( {
itemSelector: '.widget',
columnWidth: function( containerWidth ) {
return containerWidth / 4;
},
gutterWidth: 0,
isResizable: true,
isRTL: $( 'body' ).is( '.rtl' )
} );
if ( isCustomizeSelectiveRefresh ) {
// Retain previous masonry-brick initial position.
wp.customize.selectiveRefresh.bind( 'partial-content-rendered', function( placement ) {
var copyPosition = (
placement.partial.extended( wp.customize.widgetsPreview.WidgetPartial ) &&
placement.removedNodes instanceof jQuery &&
placement.removedNodes.is( '.masonry-brick' ) &&
placement.container instanceof jQuery
);
if ( copyPosition ) {
placement.container.css( {
position: placement.removedNodes.css( 'position' ),
top: placement.removedNodes.css( 'top' ),
left: placement.removedNodes.css( 'left' )
} );
}
} );
// Re-arrange footer widgets after selective refresh event.
wp.customize.selectiveRefresh.bind( 'sidebar-updated', function( sidebarPartial ) {
if ( 'sidebar-3' === sidebarPartial.sidebarId ) {
footerSidebar.masonry( 'reloadItems' );
footerSidebar.masonry( 'layout' );
}
} );
}
}
// Initialize audio and video players in Twenty_Fourteen_Ephemera_Widget widget when selectively refreshed in Customizer.
if ( isCustomizeSelectiveRefresh && wp.mediaelement ) {
wp.customize.selectiveRefresh.bind( 'partial-content-rendered', function() {
wp.mediaelement.initialize();
} );
}
// Initialize Featured Content slider.
if ( body.is( '.slider' ) ) {
$( '.featured-content' ).featuredslider( {
selector: '.featured-content-inner > article',
controlsContainer: '.featured-content'
} );
}
} );
} )( jQuery );
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