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<?php

/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2011 Open Source Matters, Inc.
<https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see
LICENSE.txt
 */

namespace Joomla\CMS\Form\Field;

// phpcs:disable PSR1.Files.SideEffects
\defined('_JEXEC') or die;
// phpcs:enable PSR1.Files.SideEffects

/**
 * Form Field class for the Joomla Platform.
 * Supports a URL text field
 *
 * @link  
https://html.spec.whatwg.org/multipage/input.html#url-state-(type=url)
 * @see    \Joomla\CMS\Form\Rule\UrlRule for validation of full urls
 * @since  1.7.0
 */
class UrlField extends TextField
{
    /**
     * The form field type.
     *
     * @var    string
     * @since  1.7.0
     */
    protected $type = 'Url';

    /**
     * Name of the layout being used to render the field
     *
     * @var    string
     * @since  3.7
     */
    protected $layout = 'joomla.form.field.url';

    /**
     * Method to get the field input markup.
     *
     * @return  string  The field input markup.
     *
     * @since   3.1.2 (CMS)
     */
    protected function getInput()
    {
        // Trim the trailing line in the layout file
        return
rtrim($this->getRenderer($this->layout)->render($this->collectLayoutData()),
PHP_EOL);
    }

    /**
     * Method to get the data to be passed to the layout for rendering.
     *
     * @return  array
     *
     * @since 3.7
     */
    protected function getLayoutData()
    {
        $data = parent::getLayoutData();

        // Initialize some field attributes.
        $maxLength    = !empty($this->maxLength) ? '
maxlength="' . $this->maxLength . '"' :
'';

        // Note that the input type "url" is suitable only for
external URLs, so if internal URLs are allowed
        // we have to use the input type "text" instead.
        $inputType    = $this->element['relative'] ?
'type="text"' : 'type="url"';

        $extraData = [
            'maxLength' => $maxLength,
            'inputType' => $inputType,
        ];

        return array_merge($data, $extraData);
    }
}