open-orchestra/open-orchestra-cms-bundle

<?php

namespace OpenOrchestra\Backoffice\Form\Type\Extension;

use Symfony\Component\Form\AbstractTypeExtension;
use Symfony\Component\Form\FormView;
use Symfony\Component\Form\FormInterface;

/**
 * Class AccordeonExtension
 */
class AccordionExtension extends AbstractTypeExtension
{
    /**
     * @param FormView      $view
     * @param FormInterface $form
     * @param array         $options
     */
    public function buildView(FormView $view, FormInterface $form, array $options)
    {
        if ($form->getParent() &&
            $form->getParent()->getConfig()->getType()->getName() == 'collection' &&
            $form->getConfig()->getOption('columns')
        ) {
            $columns = $form->getConfig()->getOption('columns');

            foreach ($columns as $column) {
                $columnsDefinition = explode('.', $column);
                $child = $form;

                foreach($columnsDefinition as $columnDefinition) {
                    if ($child->has($columnDefinition)) {
                        $child = $child->get($columnDefinition);
                    } else {
                        $child = false;
                        break;
                    }
                }

                if ($child) {
                    $view->vars['columns'][$column] = array(
                        'label' => $child->getConfig()->getOption('label'),
                        'data' => $child->getData(),
                    );
                }
            }
        }
    }

    /**
     * Returns the name of extended type.
     *
     * @return string The name of extended type
     */
    public function getExtendedType()
    {
        return 'form';
    }
}