<?php

namespace FML\Elements;

use FML\Types\Renderable;

/**
 * Music Element
 *
 * @author    steeffeen <mail@steeffeen.com>
 * @copyright FancyManiaLinks Copyright © 2017 Steffen Schröder
 * @license   http://www.gnu.org/licenses/ GNU General Public License, Version 3
 */
class Music implements Renderable
{

    /**
     * @var string $data Media url
     */
    protected $data = null;

    /**
     * Create a new Music
     *
     * @api
     * @param string $data (optional) Media url
     * @return static
     */
    public static function create($data = null)
    {
        return new static($data);
    }

    /**
     * Construct a new Music
     *
     * @api
     * @param string $data (optional) Media url
     */
    public function __construct($data = null)
    {
        if ($data) {
            $this->setData($data);
        }
    }

    /**
     * Get the media url
     *
     * @api
     * @return string
     */
    public function getData()
    {
        return $this->data;
    }

    /**
     * Set the media url
     *
     * @api
     * @param string $data Media url
     * @return static
     */
    public function setData($data)
    {
        $this->data = (string)$data;
        return $this;
    }

    /**
     * @see Renderable::render()
     */
    public function render(\DOMDocument $domDocument)
    {
        $domElement = $domDocument->createElement("music");
        if ($this->data) {
            $domElement->setAttribute("data", $this->data);
        }
        return $domElement;
    }

}