<?php

/*

 * This file is part of the Symfony package.

 *

 * (c) Fabien Potencier <fabien@symfony.com>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace Symfony\Component\DomCrawler\Field;

/**

 * TextareaFormField represents a textarea form field (an HTML textarea tag).

 *

 * @author Fabien Potencier <fabien@symfony.com>

 *

 * @api

 */

class TextareaFormField extends FormField

{

    /**

     * Initializes the form field.

     *

     * @throws \LogicException When node type is incorrect

     */

    protected function initialize()

    {

        if ('textarea' != $this->node->nodeName) {

            throw new \LogicException(sprintf('A TextareaFormField can only be created from a textarea tag (%s given).', $this->node->nodeName));

        }

        $this->value = null;

        foreach ($this->node->childNodes as $node) {

            $this->value .= $this->document->saveXML($node);

        }

    }

}