radio.php
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<?php
/**
* @package Joomla.Platform
* @subpackage Form
*
* @copyright Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
JFormHelper::loadFieldClass('list');
/**
* Form Field class for the Joomla Platform.
* Provides radio button inputs
*
* @link http://www.w3.org/TR/html-markup/command.radio.html#command.radio
* @since 1.7.0
*/
class JFormFieldRadio extends JFormFieldList
{
/**
* The form field type.
*
* @var string
* @since 1.7.0
*/
protected $type = 'Radio';
/**
* Name of the layout being used to render the field
*
* @var string
* @since 3.5
*/
protected $layout = 'joomla.form.field.radio';
/**
* Method to get the radio button field input markup.
*
* @return string The field input markup.
*
* @since 1.7.0
*/
protected function getInput()
{
if (empty($this->layout))
{
throw new UnexpectedValueException(sprintf('%s has no layout assigned.', $this->name));
}
return $this->getRenderer($this->layout)->render($this->getLayoutData());
}
/**
* Method to get the data to be passed to the layout for rendering.
*
* @return array
*
* @since 3.5
*/
protected function getLayoutData()
{
$data = parent::getLayoutData();
$extraData = array(
'options' => $this->getOptions(),
'value' => (string) $this->value,
);
return array_merge($data, $extraData);
}
}