diff -r 346c88efed21 -r 5e2f62d02dcd wp/wp-content/themes/twentyfourteen/js/functions.js --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/wp/wp-content/themes/twentyfourteen/js/functions.js Tue Jun 09 03:35:32 2015 +0200 @@ -0,0 +1,170 @@ +/** + * 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 || ! button ) { + return; + } + + // Hide button if menu is missing or empty. + if ( ! menu || ! 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' ); + } ); + } ); + + /** + * @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 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() { + // Arrange footer widgets vertically. + if ( $.isFunction( $.fn.masonry ) ) { + $( '#footer-sidebar' ).masonry( { + itemSelector: '.widget', + columnWidth: function( containerWidth ) { + return containerWidth / 4; + }, + gutterWidth: 0, + isResizable: true, + isRTL: $( 'body' ).is( '.rtl' ) + } ); + } + + // Initialize Featured Content slider. + if ( body.is( '.slider' ) ) { + $( '.featured-content' ).featuredslider( { + selector: '.featured-content-inner > article', + controlsContainer: '.featured-content' + } ); + } + } ); +} )( jQuery );