Create custom template list field for title and name with SonataUserBundle User Entity GENDER constants in SonataAdminBundle

_list__title_name.html.twig

{% extends 'SonataAdminBundle:CRUD:base_list_field.html.twig' %}

{% block field %}
    {% if object.gender == constant('Application\\Sonata\\UserBundle\\Entity\\User::GENDER_FEMALE') %}
        Mrs
    {% else %}
        Mr
    {% endif %}
    {{ object.firstname }} {{ object.lastname }}
{% endblock %}

list__title_name.html.twig

{% extends 'SonataAdminBundle:CRUD:base_list_field.html.twig' %}

{% block field %}
    {{ object.gender == constant('GENDER_FEMALE', object) ? 'Mrs' : 'Mr' }}
    {{ object.firstname }} {{ object.lastname }}
{% endblock %}

UserAdmin.php

<?php

namespace Application\Sonata\UserBundle\Admin;

use Sonata\UserBundle\Admin\Model\UserAdmin as SonataUserAdmin;
use Sonata\AdminBundle\Datagrid\ListMapper;

class UserAdmin extends SonataUserAdmin
{
    protected function configureListFields(ListMapper $listMapper)
    {
        $listMapper
            ->addIdentifier('username')
            ->add('title_name', 'string', array(
                'template' => 'ApplicationSonataUserBundle:UserAdmin:list__title_name.html.twig'
            ));
    }
}

UserInterface.php

<?php

namespace Sonata\UserBundle\Model;

interface UserInterface extends \FOS\UserBundle\Model\UserInterface
{
    const GENDER_FEMALE  = 'f';
    const GENDER_MALE    = 'm';
    const GENDER_UNKNOWN = 'u';
}