forms.html.twig

{% extends 'SyliusWebBundle::forms.html.twig' %}
{% block form_row %}
    {% spaceless %}
        <div class="form-group{% if errors|length > 0 %} has-error{% endif %}">
            {% if form.vars.name == 'value' %}
                <div class="col-lg-1">
                    <a href="javascript:void(null)" class="movable">
                        <i class="glyphicon glyphicon-sort"></i>
                    </a>
                </div>
            {% endif %}
            {{ form_label(form) }}
            <div class="col-lg-9">
                {{ form_widget(form) }}
                {% for error in errors %}
                    <span class="help-block form-error">
                {{ error.messagePluralization is null
                ? error.messageTemplate|trans(error.messageParameters, 'validators')
                : error.messageTemplate|transchoice(error.messagePluralization, error.messageParameters, 'validators') }}
            </span>
                {% endfor %}
            </div>
        </div>
    {% endspaceless %}
{% endblock form_row %}

OptionValue.php

<?php

namespace Hypebeast\Bundle\CoreBundle\Entity;

use Sylius\Component\Product\Model\OptionValue as BaseOptionValue;
use Doctrine\ORM\Mapping as ORM;

/**
 * @ORM\Entity
 * @ORM\Table(name="sylius_product_option_value")
 */
class OptionValue extends BaseOptionValue
{
    /**
     * @ORM\Column(type="integer", nullable=true)
     */
    private $position;

    /**
     * {@inheritdoc}
     */
    public function __toString()
    {
        return $this->value;
    }

    public function getPosition()
    {
        return $this->position;
    }

    public function setPosition($position)
    {
        $this->position = $position;

        return $this;
    }
}