https://www.luise-buechner-gesellschaft.de/wp-content/themes/twentyfourteen/js/functions.js?ver=20250729

1/**
2 * Theme functions file.
3 *
4 * Contains handlers for navigation, accessibility, header sizing,
5 * footer widgets and Featured Content slider.
6 *
7 */
8( function( $ ) {
9	var body    = $( 'body' ),
10		_window = $( window ),
11		nav, button, menu;
12
13	nav = $( '#primary-navigation' );
14	button = nav.find( '.menu-toggle' );
15	menu = nav.find( '.nav-menu' );
16
17	// Enable menu toggle for small screens.
18	( function() {
19		if ( ! nav.length || ! button.length ) {
20			return;
21		}
22
23		// Hide button if menu is missing or empty.
24		if ( ! menu.length || ! menu.children().length ) {
25			button.hide();
26			return;
27		}
28
29		button.on( 'click.twentyfourteen', function() {
30			nav.toggleClass( 'toggled-on' );
31			if ( nav.hasClass( 'toggled-on' ) ) {
32				$( this ).attr( 'aria-expanded', 'true' );
33				menu.attr( 'aria-expanded', 'true' );
34			} else {
35				$( this ).attr( 'aria-expanded', 'false' );
36				menu.attr( 'aria-expanded', 'false' );
37			}
38		} );
39	} )();
40
41	$( function() {
42		// Search toggle.
43		$( '.search-toggle' ).on( 'click.twentyfourteen', function( event ) {
44			var that    = $( this ),
45				wrapper = $( '#search-container' ),
46				container = that.find( 'a' );
47
48			that.toggleClass( 'active' );
49			wrapper.toggleClass( 'hide' );
50
51			if ( that.hasClass( 'active' ) ) {
52				container.attr( 'aria-expanded', 'true' );
53			} else {
54				container.attr( 'aria-expanded', 'false' );
55			}
56
57			if ( that.is( '.active' ) || $( '.search-toggle .screen-reader-text' )[0] === event.target ) {
58				wrapper.find( '.search-field' ).focus();
59			}
60		} );
61
62		/*
63		 * Fixed header for large screen.
64		 * If the header becomes more than 48px tall, unfix the header.
65		 *
66		 * The callback on the scroll event is only added if there is a header
67		 * image and we are not on mobile.
68		 */
69		if ( _window.width() > 781 ) {
70			var mastheadHeight = $( '#masthead' ).height(),
71				toolbarOffset, mastheadOffset;
72
73			if ( mastheadHeight > 48 ) {
74				body.removeClass( 'masthead-fixed' );
75			}
76
77			if ( body.is( '.header-image' ) ) {
78				toolbarOffset  = body.is( '.admin-bar' ) ? $( '#wpadminbar' ).height() : 0;
79				mastheadOffset = $( '#masthead' ).offset().top - toolbarOffset;
80
81				_window.on( 'scroll.twentyfourteen', function() {
82					if ( _window.scrollTop() > mastheadOffset && mastheadHeight < 49 ) {
83						body.addClass( 'masthead-fixed' );
84					} else {
85						body.removeClass( 'masthead-fixed' );
86					}
87				} );
88			}
89		}
90
91		// Focus styles for menus.
92		$( '.primary-navigation, .secondary-navigation' ).find( 'a' ).on( 'focus.twentyfourteen blur.twentyfourteen', function() {
93			$( this ).parents().toggleClass( 'focus' );
94		} );
95	} );
96
97	/**
98	 * Adds or removes ARIA attributes.
99	 *
100	 * Uses jQuery's width() function to determine the size of the window and add
101	 * the default ARIA attributes for the menu toggle if it's visible.
102	 *
103	 * @since Twenty Fourteen 1.4
104	 */
105	function onResizeARIA() {
106		if ( 781 > _window.width() ) {
107			button.attr( 'aria-expanded', 'false' );
108			menu.attr( 'aria-expanded', 'false' );
109			button.attr( 'aria-controls', 'primary-menu' );
110		} else {
111			button.removeAttr( 'aria-expanded' );
112			menu.removeAttr( 'aria-expanded' );
113			button.removeAttr( 'aria-controls' );
114		}
115	}
116
117	_window
118		.on( 'load.twentyfourteen', onResizeARIA )
119		.on( 'resize.twentyfourteen', function() {
120			onResizeARIA();
121	} );
122
123	_window.on( 'load', function() {
124		var footerSidebar,
125			isCustomizeSelectiveRefresh = ( 'undefined' !== typeof wp && wp.customize && wp.customize.selectiveRefresh );
126
127		// Arrange footer widgets vertically.
128		if ( typeof $.fn.masonry === 'function' ) {
129			footerSidebar = $( '#footer-sidebar' );
130			footerSidebar.masonry( {
131				itemSelector: '.widget',
132				columnWidth: function( containerWidth ) {
133					return containerWidth / 4;
134				},
135				gutterWidth: 0,
136				isResizable: true,
137				isRTL: $( 'body' ).is( '.rtl' )
138			} );
139
140			if ( isCustomizeSelectiveRefresh ) {
141
142				// Retain previous masonry-brick initial position.
143				wp.customize.selectiveRefresh.bind( 'partial-content-rendered', function( placement ) {
144					var copyPosition = (
145						placement.partial.extended( wp.customize.widgetsPreview.WidgetPartial ) &&
146						placement.removedNodes instanceof jQuery &&
147						placement.removedNodes.is( '.masonry-brick' ) &&
148						placement.container instanceof jQuery
149					);
150					if ( copyPosition ) {
151						placement.container.css( {
152							position: placement.removedNodes.css( 'position' ),

153							top: placement.removedNodes.css( 'top' ),
154							left: placement.removedNodes.css( 'left' )
155						} );
156					}
157				} );
158
159				// Re-arrange footer widgets after selective refresh event.
160				wp.customize.selectiveRefresh.bind( 'sidebar-updated', function( sidebarPartial ) {
161					if ( 'sidebar-3' === sidebarPartial.sidebarId ) {
162						footerSidebar.masonry( 'reloadItems' );
163						footerSidebar.masonry( 'layout' );
164					}
165				} );
166			}
167		}
168
169		// Initialize audio and video players in Twenty_Fourteen_Ephemera_Widget widget when selectively refreshed in Customizer.
170		if ( isCustomizeSelectiveRefresh && wp.mediaelement ) {
171			wp.customize.selectiveRefresh.bind( 'partial-content-rendered', function() {
172				wp.mediaelement.initialize();
173			} );
174		}
175
176		// Initialize Featured Content slider.
177		if ( body.is( '.slider' ) ) {
178			$( '.featured-content' ).featuredslider( {
179				selector: '.featured-content-inner > article',
180				controlsContainer: '.featured-content'
181			} );
182		}
183	} );
184} )( jQuery );