cleverness/widget-css-classes

/**
 * Widget CSS Classes Plugin
 *
 * @author C.M. Kendrick <cindy@cleverness.org>
 * @package widget-css-classes
 * @version 1.5.3
 * @preserve
 */

jQuery( function ( $ ) {

    // Change opacity if predefined classes is disabled.
    $( 'input.wcssc_type' ).on( 'change', function() {
        var val = $(this).val();
        if ( '2' === val || '3' === val ) {
            $('.wcssc_defined_classes').parents('tr').css( { 'opacity': '' } );
        } else {
            $('.wcssc_defined_classes').parents('tr').css( { 'opacity': '.5' } );
        }
    } ).filter(':checked').trigger('change');

    // Defined classes new and delete handlers.
    $( document ).on( 'click', '.wcssc_defined_classes.wcssc_sort_fixed .wcssc_copy', function(e) {
        e.preventDefault();
        var elem = $( this ).parents('.wcssc_defined_classes');
        var clone = elem.clone().hide().insertBefore( elem );
        clone.removeClass('wcssc_sort_fixed').find('.wcssc_copy').remove();
        clone.slideDown('fast');

    } ).on( 'click', '.wcssc_defined_classes .wcssc_remove', function(e) {
        e.preventDefault();
        $( this ).parent().slideUp( 'fast', function () {
            $( this ).remove();
        } );
    } );

    // Make defined classes sortable.
    if ( $.isFunction( $.fn.sortable ) ) {
        $('.wcssc_sortable .wcssc_sort').show();
        $('.wcssc_sortable').sortable({
            items: 'p:not(.wcssc_sort_fixed)',
            placeholder: 'wcssc_drop_placeholder'
        });
    }

} );