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d21ea0a251
Props lancewillett, MikeHansenMe, fixes #30149. Built from https://develop.svn.wordpress.org/trunk@30233 git-svn-id: http://core.svn.wordpress.org/trunk@30233 1a063a9b-81f0-0310-95a4-ce76da25c4cd
83 lines
2.5 KiB
JavaScript
83 lines
2.5 KiB
JavaScript
/* global screenReaderText */
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/**
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* Theme functions file.
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*
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* Contains handlers for navigation and widget area.
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*/
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( function( $ ) {
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var $body, $window, sidebar, toolbarOffset;
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// Add dropdown toggle that display child menu items.
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$( '.main-navigation .page_item_has_children > a, .main-navigation .menu-item-has-children > a' ).after( '<button class="dropdown-toggle" aria-expanded="false">' + screenReaderText.expand + '</button>' );
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$( '.dropdown-toggle' ).click( function( e ) {
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var _this = $( this );
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e.preventDefault();
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_this.toggleClass( 'toggle-on' );
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_this.next( '.children, .sub-menu' ).toggleClass( 'toggled-on' );
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_this.attr( 'aria-expanded', _this.attr( 'aria-expanded' ) === 'false' ? 'true' : 'false' );
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_this.html( _this.html() === screenReaderText.expand ? screenReaderText.collapse : screenReaderText.expand );
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} );
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// Enable menu toggle for small screens.
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( function() {
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var secondary = $( '#secondary' ), button, menu, widgets, social;
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if ( ! secondary ) {
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return;
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}
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button = $( '.site-branding' ).find( '.secondary-toggle' );
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if ( ! button ) {
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return;
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}
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// Hide button if there is no widgets and menu is missing or empty.
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menu = secondary.find( '.nav-menu' );
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widgets = secondary.find( '#widget-area' );
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social = secondary.find( '#social-navigation' );
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if ( ! widgets.length && ! social.length && ( ! menu || ! menu.children().length ) ) {
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button.hide();
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return;
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}
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button.on( 'click.twentyfifteen', function() {
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secondary.toggleClass( 'toggled-on' );
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secondary.trigger( 'resize' );
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$( this ).toggleClass( 'toggled-on' );
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} );
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} )();
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// Sidebar (un)fixing: fix when short, un-fix when scroll needed
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$body = $( 'body' );
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$window = $( window );
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sidebar = $( '#sidebar' )[0];
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toolbarOffset = $body.is( '.admin-bar' ) ? $( '#wpadminbar' ).height() : 0;
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function fixedOrScrolledSidebar() {
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if ( $window.width() >= 955 ) {
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if ( sidebar.scrollHeight < ( $window.height() - toolbarOffset ) ) {
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$body.addClass( 'sidebar-fixed' );
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} else {
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$body.removeClass( 'sidebar-fixed' );
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}
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} else {
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$body.removeClass( 'sidebar-fixed' );
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}
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}
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function debouncedFixedOrScrolledSidebar() {
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var timeout;
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return function() {
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clearTimeout( timeout );
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timeout = setTimeout( function() {
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timeout = null;
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fixedOrScrolledSidebar();
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}, 150 );
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};
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}
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$window.on( 'load.twentyfifteen', fixedOrScrolledSidebar ).on( 'resize.twentyfifteen', debouncedFixedOrScrolledSidebar() );
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} )( jQuery ); |