https://mpsmn.com/wp-content/themes/nse-mpsmn/js/functions.js?ver=20160816

1
2/* global screenReaderText */
3/**
4 * Theme functions file.
5 *
6 * Contains handlers for navigation and widget area.
7 */
8
9( function( $ ) {
10	var body, masthead, menuToggle, siteNavigation, socialNavigation, siteHeaderMenu, resizeTimer;
11
12	function initMainNavigation( container ) {
13
14		// Add dropdown toggle that displays child menu items.
15		var dropdownToggle = $( '<button />', {
16			'class': 'dropdown-toggle',
17			'aria-expanded': false
18		} ).append( $( '<span />', {
19			'class': 'screen-reader-text',
20			text: screenReaderText.expand
21		} ) );
22
23		container.find( '.menu-item-has-children > a' ).after( dropdownToggle );
24
25		// Toggle buttons and submenu items with active children menu items.
26		container.find( '.current-menu-ancestor > button' ).addClass( 'toggled-on' );
27		container.find( '.current-menu-ancestor > .sub-menu' ).addClass( 'toggled-on' );
28
29		// Add menu items with submenus to aria-haspopup="true".
30		container.find( '.menu-item-has-children' ).attr( 'aria-haspopup', 'true' );
31
32		container.find( '.menu-item-has-children > a' ).click( function( e ) {
33			var _this            = $( this ).next('.dropdown-toggle'),
34				screenReaderSpan = _this.find( '.screen-reader-text' );
35
36				$( this ).parent().siblings('li').find('.toggled-on').toggleClass( 'toggled-on' );
37
38			e.preventDefault();
39			_this.toggleClass( 'toggled-on' );
40			_this.next( '.children, .sub-menu' ).toggleClass( 'toggled-on' );
41
42			// jscs:disable
43			_this.attr( 'aria-expanded', _this.attr( 'aria-expanded' ) === 'false' ? 'true' : 'false' );
44			// jscs:enable
45			screenReaderSpan.text( screenReaderSpan.text() === screenReaderText.expand ? screenReaderText.collapse : screenReaderText.expand );
46			return false;
47		} );
48	}
49	initMainNavigation( $( '.main-navigation' ) );
50
51	masthead         = $( '#masthead' );
52	menuToggle       = masthead.find( '.menu-toggle' );
53	siteHeaderMenu   = masthead.find( '#site-header-menu' );
54	siteNavigation   = masthead.find( '#site-navigation' );
55	socialNavigation = masthead.find( '#social-navigation' );
56
57	// Enable menuToggle.
58	( function() {
59
60		// Return early if menuToggle is missing.
61		if ( ! menuToggle.length ) {
62			return;
63		}
64
65		// Add an initial values for the attribute.
66		menuToggle.add( siteNavigation ).add( socialNavigation ).attr( 'aria-expanded', 'true' );
67
68		menuToggle.on( 'click.twentysixteen', function() {
69			console.log('clicked');
70			$( '.menu-toggle' ).add( siteHeaderMenu ).toggleClass( 'toggled-on' );
71
72			// jscs:disable
73			$( '.menu-toggle' ).add( siteNavigation ).add( socialNavigation ).attr( 'aria-expanded', $( this ).add( siteNavigation ).add( socialNavigation ).attr( 'aria-expanded' ) === 'false' ? 'true' : 'false' );
74			// jscs:enable
75		} );
76	} )();
77
78	// Fix sub-menus for touch devices and better focus for hidden submenu items for accessibility.
79	( function() {
80		if ( ! siteNavigation.length || ! siteNavigation.children().length ) {
81			return;
82		}
83
84		// Toggle `focus` class to allow submenu access on tablets.
85		function toggleFocusClassTouchScreen() {
86			if ( window.innerWidth >= 910 ) {
87				$( document.body ).on( 'touchstart.twentysixteen', function( e ) {
88					if ( ! $( e.target ).closest( '.main-navigation li' ).length ) {
89						$( '.main-navigation li' ).removeClass( 'focus' );
90					}
91				} );
92				siteNavigation.find( '.menu-item-has-children > a' ).on( 'touchstart.twentysixteen', function( e ) {
93					var el = $( this ).parent( 'li' );
94
95					if ( ! el.hasClass( 'focus' ) ) {
96						e.preventDefault();
97						el.toggleClass( 'focus' );
98						el.siblings( '.focus' ).removeClass( 'focus' );
99					}
100				} );
101			} else {
102				siteNavigation.find( '.menu-item-has-children > a' ).unbind( 'touchstart.twentysixteen' );
103			}
104		}
105
106		if ( 'ontouchstart' in window ) {
107			$( window ).on( 'resize.twentysixteen', toggleFocusClassTouchScreen );
108			toggleFocusClassTouchScreen();
109		}
110
111		siteNavigation.find( 'a' ).on( 'focus.twentysixteen blur.twentysixteen', function() {
112			$( this ).parents( '.menu-item' ).toggleClass( 'focus' );
113		} );
114	} )();
115
116	// Add the default ARIA attributes for the menu toggle and the navigations.
117	function onResizeARIA() {
118		if ( window.innerWidth < 910 ) {
119			if ( menuToggle.hasClass( 'toggled-on' ) ) {
120				menuToggle.attr( 'aria-expanded', 'true' );
121			} else {
122				menuToggle.attr( 'aria-expanded', 'false' );
123			}
124
125			if ( siteHeaderMenu.hasClass( 'toggled-on' ) ) {
126				siteNavigation.attr( 'aria-expanded', 'true' );
127				socialNavigation.attr( 'aria-expanded', 'true' );
128			} else {
129				siteNavigation.attr( 'aria-expanded', 'false' );
130				socialNavigation.attr( 'aria-expanded', 'false' );
131			}
132
133			menuToggle.attr( 'aria-controls', 'site-navigation social-navigation' );
134		} else {
135			menuToggle.removeAttr( 'aria-expanded' );
136			siteNavigation.removeAttr( 'aria-expanded' );
137			socialNavigation.removeAttr( 'aria-expanded' );
138			menuToggle.removeAttr( 'aria-controls' );
139		}
140	}
141
142	// jQuery to collapse the navbar on scroll
143      function minimize() {
144          if ($("#masthead").offset().top > 50) {
145              $("#masthead").addClass("minimize");
146              $('body').trigger('minimized');
147          } else {
148              $("#masthead").removeClass("minimize");
149          }
150      }
151
152      $(window).scroll(minimize);
153      minimize();
154
155	// Add 'below-entry-meta' class to elements.
156	function belowEntryMetaClass( param ) {
157		if ( body.hasClass( 'page' ) || body.hasClass( 'search' ) || body.hasClass( 'single-attachment' ) || body.hasClass( 'error404' ) ) {
158			return;
159		}
160
161		$( '.entry-content' ).find( param ).each( function() {
162			var element              = $( this ),
163				elementPos           = element.offset(),
164				elementPosTop        = elementPos.top,
165				entryFooter          = element.closest( 'article' ).find( '.entry-footer' ),
166				entryFooterPos       = entryFooter.offset(),
167				entryFooterPosBottom = entryFooterPos.top + ( entryFooter.height() + 28 ),

168				caption              = element.closest( 'figure' ),
169				newImg;
170
171			// Add 'below-entry-meta' to elements below the entry meta.
172			if ( elementPosTop > entryFooterPosBottom ) {
173
174				// Check if full-size images and captions are larger than or equal to 840px.
175				if ( 'img.size-full' === param ) {
176
177					// Create an image to find native image width of resized images (i.e. max-width: 100%).
178					newImg = new Image();
179					newImg.src = element.attr( 'src' );
180
181					$( newImg ).on( 'load.twentysixteen', function() {
182						if ( newImg.width >= 840  ) {
183							element.addClass( 'below-entry-meta' );
184
185							if ( caption.hasClass( 'wp-caption' ) ) {
186								caption.addClass( 'below-entry-meta' );
187								caption.removeAttr( 'style' );
188							}
189						}
190					} );
191				} else {
192					element.addClass( 'below-entry-meta' );
193				}
194			} else {
195				element.removeClass( 'below-entry-meta' );
196				caption.removeClass( 'below-entry-meta' );
197			}
198		} );
199	}
200
201	$( document ).ready( function() {
202		body = $( document.body );
203
204		$( window )
205			.on( 'load.twentysixteen', onResizeARIA )
206			.on( 'resize.twentysixteen', function() {
207				clearTimeout( resizeTimer );
208				resizeTimer = setTimeout( function() {
209					belowEntryMetaClass( 'img.size-full' );
210					belowEntryMetaClass( 'blockquote.alignleft, blockquote.alignright' );
211				}, 300 );
212				onResizeARIA();
213			} );
214
215		belowEntryMetaClass( 'img.size-full' );
216		belowEntryMetaClass( 'blockquote.alignleft, blockquote.alignright' );
217	} );
218} )( jQuery );