ExplanationAdmin

<?php
namespace AppBundle\Admin;

use Sonata\AdminBundle\Admin\AbstractAdmin;
use Sonata\AdminBundle\Datagrid\DatagridMapper;
use Sonata\AdminBundle\Datagrid\ListMapper;
use Sonata\AdminBundle\Form\FormMapper;
use Sonata\AdminBundle\Show\ShowMapper;

/**
 * Class ExplanationAdmin
 * @package AppBundle\Admin
 */
class ExplanationAdmin extends AbstractAdmin
{
    /**
     * Fields to be shown on create/edit forms
     *
     * @param FormMapper $formMapper
     */
    protected function configureFormFields(FormMapper $formMapper)
    {
        $formMapper
            ->add('title', 'text', ['label' => 'Title'])
            ->add('body', 'textarea')
            ->add('bodyFormatted', 'textarea')
            ->add('bodyFormatter', 'sonata_formatter_type', [
                'source_field' => 'body',
                'target_field' => 'bodyFormatted'
            ]);
            /*->add('formattedBody', 'sonata_formatter_type', array(
                'format_field' => 'bodyFormatter',
                'format_field_options' => [
                    'choices' => ['text', 'markdown'],
                    'data' => 'text',
                ],
                'source_field' => 'body',
                'target_field' => 'formattedBody'
            ));*/
    }

    /**
     * Fields to be shown on filter forms
     *
     * @param DatagridMapper $datagridMapper
     */
    protected function configureDataGridFilters(DatagridMapper $datagridMapper)
    {
        $datagridMapper->add('title');
    }

    /**
     * Fields to be shown on lists
     *
     * @param ListMapper $listMapper
     */
    protected function configureListFields(ListMapper $listMapper)
    {
        $listMapper->add('title');
    }

    /**
     * Fields to be shown on show action
     *
     * @param ShowMapper $showMapper
     */
    protected function configureShowFields(ShowMapper $showMapper)
    {
        $showMapper->add('title');
    }
}