<?php

namespace Trinity\Bundle\SlideshowBundle\Form\Type;

use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\Form\FormView;
use Symfony\Component\Form\FormInterface;
use Trinity\Bundle\SlideshowBundle\Block\SlideshowItemsContainerBlock;
use Trinity\Bundle\SlideshowBundle\Model\SlideshowItemQuery;
use Trinity\Bundle\ContentManagerBundle\Form\Type\BlockType;

class SlideshowItemsContainerBlockType extends BlockType
{
    protected $options = array(
        'data_class' => 'Trinity\Bundle\SlideshowBundle\Block\SlideshowItemsContainerBlock',
        'cascade_validation' => true,
    );

    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder->add(
            'value',
            'hidden'
        );

        $builder->add(
            'slideshow_items',
            'collection',
            array(
                 'type'          => new SlideshowItemType(),
                 'allow_add'     => true,
                 'allow_delete'  => true,
                 'by_reference'  => true
            )
        );
    }

    public function buildView(FormView $view, FormInterface $form, array $options)
    {
        $data = $form->getData();

        if ($data === null) {
            $data = new SlideshowItemsContainerBlock();
        }

        $view->vars = array_replace($view->vars, array(
            'slideshow_items'   => $data->getSlideshowItems()
        ));
    }


    public function getName()
    {
        return 'slideshow_items_container_block';
    }
}