whmcsKerioEmail/app/UI/Client/Ressource/Sections/GeneralSection.php

<?php
namespace ThurData\Servers\KerioEmail\App\UI\Client\Ressource\Sections;

use ThurData\Servers\KerioEmail\App\Traits\FormExtendedTrait;
use ThurData\Servers\KerioEmail\App\UI\Admin\Custom\Sections\FreeFieldsSection;
use ThurData\Servers\KerioEmail\Core\UI\Widget\Forms\Fields\Select;
use ThurData\Servers\KerioEmail\Core\UI\Widget\Forms\Fields\Text;
use ThurData\Servers\KerioEmail\Core\UI\Widget\Forms\Sections\InputGroup;
use ThurData\Servers\KerioEmail\Core\UI\Widget\Forms\Fields\InputGroupElements;

/**
 *
 * Created by PhpStorm.
 * User: ThurData
 * Date: 12.11.19
 * Time: 13:39
 * Class GeneralSection
 */
class GeneralSection extends FreeFieldsSection
{
    protected $id   = 'generalSection';
    protected $name = 'generalSection';

    use FormExtendedTrait;

    public function initContent()
    {
        $email = new InputGroup('usernameGroup');

        $email->addTextField('name', false, true);
        $email->addInputAddon('emailSign', false, '@');
        $email->addInputComponent((new InputGroupElements\Text('domain'))->addHtmlAttribute('readonly','true'));
        $this->addSection($email);

        $this->generateDoubleSection([new Text('description'), new Select('type')]);

        $this->generateDoubleSection([new Select('manager'), new Select('status')]);

    }
}