AlkantarClanX12
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/* global twentyTwentyBgColors, twentyTwentyPreviewEls, jQuery, _, wp */
/**
* Customizer enhancements for a better user experience.
*
* Contains handlers to make Theme Customizer preview reload changes asynchronously.
*
* @since Twenty Twenty 1.0
*/
( function( $, api, _ ) {
/**
* Return a value for our partial refresh.
*
* @param {Object} partial Current partial.
*
* @return {jQuery.Promise} Resolved promise.
*/
function returnDeferred( partial ) {
var deferred = new $.Deferred();
deferred.resolveWith( partial, _.map( partial.placements(), function() {
return '';
} ) );
return deferred.promise();
}
// Selective refresh for "Fixed Background Image".
api.selectiveRefresh.partialConstructor.cover_fixed = api.selectiveRefresh.Partial.extend( {
/**
* Override the refresh method.
*
* @return {jQuery.Promise} Resolved promise.
*/
refresh: function() {
var partial, cover, params;
partial = this;
params = partial.params;
cover = $( params.selector );
if ( cover.length && cover.hasClass( 'bg-image' ) ) {
cover.toggleClass( 'bg-attachment-fixed' );
}
return returnDeferred( partial );
}
} );
// Selective refresh for "Image Overlay Opacity".
api.selectiveRefresh.partialConstructor.cover_opacity = api.selectiveRefresh.Partial.extend( {
/**
* Input attributes.
*
* @type {Object}
*/
attrs: {},
/**
* Override the refresh method.
*
* @return {jQuery.Promise} Resolved promise.
*/
refresh: function() {
var partial, ranges, attrs, setting, params, cover, className, classNames;
partial = this;
attrs = partial.attrs;
ranges = _.range( attrs.min, attrs.max + attrs.step, attrs.step );
params = partial.params;
setting = api( params.primarySetting );
cover = $( params.selector );
if ( cover.length ) {
classNames = _.map( ranges, function( val ) {
return 'opacity-' + val;
} );
className = classNames[ ranges.indexOf( parseInt( setting.get(), 10 ) ) ];
cover.removeClass( classNames.join( ' ' ) );
cover.addClass( className );
}
return returnDeferred( partial );
}
} );
// Add listener for the "header_footer_background_color" control.
api( 'header_footer_background_color', function( value ) {
value.bind( function( to ) {
// Add background color to header and footer wrappers.
$( 'body:not(.overlay-header)#site-header, #site-footer' ).css( 'background-color', to );
// Change body classes if this is the same background-color as the content background.
if ( to.toLowerCase() === api( 'background_color' ).get().toLowerCase() ) {
$( 'body' ).addClass( 'reduced-spacing' );
} else {
$( 'body' ).removeClass( 'reduced-spacing' );
}
} );
} );
// Add listener for the "background_color" control.
api( 'background_color', function( value ) {
value.bind( function( to ) {
// Change body classes if this is the same background-color as the header/footer background.
if ( to.toLowerCase() === api( 'header_footer_background_color' ).get().toLowerCase() ) {
$( 'body' ).addClass( 'reduced-spacing' );
} else {
$( 'body' ).removeClass( 'reduced-spacing' );
}
} );
} );
// Add listener for the accent color.
api( 'accent_hue', function( value ) {
value.bind( function() {
// Generate the styles.
// Add a small delay to be sure the accessible colors were generated.
setTimeout( function() {
Object.keys( twentyTwentyBgColors ).forEach( function( context ) {
twentyTwentyGenerateColorA11yPreviewStyles( context );
} );
}, 50 );
} );
} );
// Add listeners for background-color settings.
Object.keys( twentyTwentyBgColors ).forEach( function( context ) {
wp.customize( twentyTwentyBgColors[ context ].setting, function( value ) {
value.bind( function() {
// Generate the styles.
// Add a small delay to be sure the accessible colors were generated.
setTimeout( function() {
twentyTwentyGenerateColorA11yPreviewStyles( context );
}, 50 );
} );
} );
} );
/**
* Add styles to elements in the preview pane.
*
* @since Twenty Twenty 1.0
*
* @param {string} context The area for which we want to generate styles. Can be for example "content", "header" etc.
*
* @return {void}
*/
function twentyTwentyGenerateColorA11yPreviewStyles( context ) {
// Get the accessible colors option.
var a11yColors = window.parent.wp.customize( 'accent_accessible_colors' ).get(),
stylesheedID = 'twentytwenty-customizer-styles-' + context,
stylesheet = $( '#' + stylesheedID ),
styles = '';
// If the stylesheet doesn't exist, create it and append it to <head>.
if ( ! stylesheet.length ) {
$( '#twentytwenty-style-inline-css' ).after( '<style id="' + stylesheedID + '"></style>' );
stylesheet = $( '#' + stylesheedID );
}
if ( ! _.isUndefined( a11yColors[ context ] ) ) {
// Check if we have elements defined.
if ( twentyTwentyPreviewEls[ context ] ) {
_.each( twentyTwentyPreviewEls[ context ], function( items, setting ) {
_.each( items, function( elements, property ) {
if ( ! _.isUndefined( a11yColors[ context ][ setting ] ) ) {
styles += elements.join( ',' ) + '{' + property + ':' + a11yColors[ context ][ setting ] + ';}';
}
} );
} );
}
}
// Add styles.
stylesheet.html( styles );
}
// Generate styles on load. Handles page-changes on the preview pane.
$( document ).ready( function() {
twentyTwentyGenerateColorA11yPreviewStyles( 'content' );
twentyTwentyGenerateColorA11yPreviewStyles( 'header-footer' );
} );
}( jQuery, wp.customize, _ ) );