JezK

Edit File: image-select.js

( function ( $, rwmb ) { 'use strict'; function setActiveClass() { var $this = $( this ), type = $this.attr( 'type' ), selected = $this.is( ':checked' ), $parent = $this.parent(), $others = $parent.siblings(); if ( selected ) { $parent.addClass( 'rwmb-active' ); if ( type === 'radio' ) { $others.removeClass( 'rwmb-active' ); } } else { $parent.removeClass( 'rwmb-active' ); } } function init( e ) { $( e.target ).find( '.rwmb-image-select input' ).trigger( 'change' ); } rwmb.$document .on( 'mb_ready', init ) .on( 'change', '.rwmb-image-select input', setActiveClass ); } )( jQuery, rwmb );