Q:

Doctrine ObjectMultiCheckBox form many-to-many grouped

I have a database like this

And I need to make a form with checkboxes to save this to this database. Assume these are what my records look like

For now, I have a form like this in which the user can't know witch action corresponds to which function

I'd like something like this where action and function appear together

Does anyone know how to do this?
My PHP code for creating the checkboxes is as follows:
        $this->add(array(
        'type' => 'DoctrineModule\Form\Element\ObjectMultiCheckbox',
        'name' => 'functionAction',
        'options' => array(
            'label' => 'Functions:',
            'object_manager' => $this->getObjectManager(),
            'target_class' => 'Acl\Entity\FunctionAction',
            'label_generator' => function ($funcAction)
            {
                return $funcAction->getAction()->getDescription();
            },
            'is_method' => true,
            'find_method' => array(
                'name' => 'findByRole',
                'params' => array(
                    'role' => $this->getUser()->getRole()
                )
            )
        )
    ));

A:

SOLUTION
Options:
$options = array(
    'head_check_callback' => function ($last, $current)
    {
        return ! $last || $last->getFunction()->getId() != $current->getFunction()->getId();
    },
    'head_label_callback' => function (\Acl\Entity\FunctionAction $current)
    {
        $nome = $current->getFunction()->getDescription();
        return $current ? $nome : '';
    }
);

To render in view
$this->FormGroupMultiCheckbox()->setOptions($options)->render($this->form->get('functionAction'));

Edited CheckBox class
http://pastebin.com/UcDN8xVp

