name : customize-preview.js /** * File customize-preview.js. * * Instantly live-update customizer settings in the preview for improved user experience. */ (function( $ ) { // Collect information from customize-controls.js about which panels are opening. wp.customize.bind( 'preview-ready', function() { // Initially hide the theme option placeholders on load $( '.panel-placeholder' ).hide(); wp.customize.preview.bind( 'section-highlight', function( data ) { // Only on the front page. if ( ! $( 'body' ).hasClass( 'twentyseventeen-front-page' ) ) { return; } // When the section is expanded, show and scroll to the content placeholders, exposing the edit links. if ( true === data.expanded ) { $( 'body' ).addClass( 'highlight-front-sections' ); $( '.panel-placeholder' ).slideDown( 200, function() { $.scrollTo( $( '#panel1' ), { duration: 600, offset: { 'top': -70 } // Account for sticky menu. }); }); // If we've left the panel, hide the placeholders and scroll back to the top. } else { $( 'body' ).removeClass( 'highlight-front-sections' ); // Don't change scroll when leaving - it's likely to have unintended consequences. $( '.panel-placeholder' ).slideUp( 200 ); } }); }); // Site title and description. wp.customize( 'blogname', function( value ) { value.bind( function( to ) { $( '.site-title a' ).text( to ); }); }); wp.customize( 'blogdescription', function( value ) { value.bind( function( to ) { $( '.site-description' ).text( to ); }); }); // Header text color. wp.customize( 'header_textcolor', function( value ) { value.bind( function( to ) { if ( 'blank' === to ) { $( '.site-title, .site-description' ).css({ clip: 'rect(1px, 1px, 1px, 1px)', position: 'absolute' }); // Add class for different logo styles if title and description are hidden. $( 'body' ).addClass( 'title-tagline-hidden' ); } else { // Check if the text color has been removed and use default colors in theme stylesheet. if ( ! to.length ) { $( '#twentyseventeen-custom-header-styles' ).remove(); } $( '.site-title, .site-description' ).css({ clip: 'auto', position: 'relative' }); $( '.site-branding, .site-branding a, .site-description, .site-description a' ).css({ color: to }); // Add class for different logo styles if title and description are visible. $( 'body' ).removeClass( 'title-tagline-hidden' ); } }); }); // Color scheme. wp.customize( 'colorscheme', function( value ) { value.bind( function( to ) { // Update color body class. $( 'body' ) .removeClass( 'colors-light colors-dark colors-custom' ) .addClass( 'colors-' + to ); }); }); // Custom color hue. wp.customize( 'colorscheme_hue', function( value ) { value.bind( function( to ) { // Update custom color CSS. var style = $( '#custom-theme-colors' ), hue = style.data( 'hue' ), css = style.html(); // Equivalent to css.replaceAll, with hue followed by comma to prevent values with units from being changed. css = css.split( hue + ',' ).join( to + ',' ); style.html( css ).data( 'hue', to ); }); }); // Page layouts. wp.customize( 'page_layout', function( value ) { value.bind( function( to ) { if ( 'one-column' === to ) { $( 'body' ).addClass( 'page-one-column' ).removeClass( 'page-two-column' ); } else { $( 'body' ).removeClass( 'page-one-column' ).addClass( 'page-two-column' ); } } ); } ); // Whether a header image is available. function hasHeaderImage() { var image = wp.customize( 'header_image' )(); return '' !== image && 'remove-header' !== image; } // Whether a header video is available. function hasHeaderVideo() { var externalVideo = wp.customize( 'external_header_video' )(), video = wp.customize( 'header_video' )(); return '' !== externalVideo || ( 0 !== video && '' !== video ); } // Toggle a body class if a custom header exists. $.each( [ 'external_header_video', 'header_image', 'header_video' ], function( index, settingId ) { wp.customize( settingId, function( setting ) { setting.bind(function() { if ( hasHeaderImage() ) { $( document.body ).addClass( 'has-header-image' ); } else { $( document.body ).removeClass( 'has-header-image' ); } if ( ! hasHeaderVideo() ) { $( document.body ).removeClass( 'has-header-video' ); } } ); } ); } ); } )( jQuery );