/**
* 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 );
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