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<?php
namespace Omeka\Site\BlockLayout;

use Omeka\Api\Representation\SiteRepresentation;
use Omeka\Api\Representation\SitePageRepresentation;
use Omeka\Api\Representation\SitePageBlockRepresentation;
use Omeka\Entity\SitePageBlock;
use Omeka\Stdlib\HtmlPurifier;
use Omeka\Stdlib\ErrorStore;
use Zend\Form\Element\Textarea;
use Zend\View\Renderer\PhpRenderer;

class Html extends AbstractBlockLayout
{
    /**
     * @var HtmlPurifier
     */
    protected $htmlPurifier;

    public function __construct(HtmlPurifier $htmlPurifier)
    {
        $this->htmlPurifier = $htmlPurifier;
    }

    public function getLabel()
    {
        return 'HTML'; // @translate
    }

    public function onHydrate(SitePageBlock $block, ErrorStore $errorStore)
    {
        $data = $block->getData();
        $html = isset($data['html']) ? $this->htmlPurifier->purify($data['html']) : '';
        $data['html'] = $html;
        $block->setData($data);
    }

    public function form(PhpRenderer $view, SiteRepresentation $site,
        SitePageRepresentation $page = null, SitePageBlockRepresentation $block = null
    ) {
        $textarea = new Textarea("o:block[__blockIndex__][o:data][html]");
        $textarea->setAttribute('class', 'block-html full wysiwyg');
        if ($block) {
            $textarea->setAttribute('value', $block->dataValue('html'));
        }
        return $view->formRow($textarea);
    }

    public function render(PhpRenderer $view, SitePageBlockRepresentation $block)
    {
        return $block->dataValue('html', '');
    }
}