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<?php
/**
* @package Joomla.Libraries
* @subpackage Form
*
* @copyright Copyright (C) 2005 - 2016 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
/**
* Field to select a user ID from a modal list.
*
* @since 1.6
*/
class JFormFieldUser extends JFormField
{
/**
* The form field type.
*
* @var string
* @since 1.6
*/
public $type = 'User';
/**
* Filtering groups
*
* @var array
*/
protected $groups = null;
/**
* Users to exclude from the list of users
*
* @var array
*/
protected $excluded = null;
/**
* Layout to render
*
* @var string
*/
protected $layout = 'joomla.form.field.user';
/**
* Method to get the user field input markup.
*
* @return string The field input markup.
*
* @since 1.6
*/
protected function getInput()
{
if (empty($this->layout))
{
throw new UnexpectedValueException(sprintf('%s has no layout assigned.', $this->name));
}
return $this->getRenderer($this->layout)->render($this->getLayoutData());
}
/**
* Get the data that is going to be passed to the layout
*
* @return array
*/
public function getLayoutData()
{
// Get the basic field data
$data = parent::getLayoutData();
// Load the current username if available.
$table = JTable::getInstance('user');
if (is_numeric($this->value))
{
$table->load($this->value);
}
// Handle the special case for "current".
elseif (strtoupper($this->value) == 'CURRENT')
{
// 'CURRENT' is not a reasonable value to be placed in the html
$this->value = JFactory::getUser()->id;
$table->load($this->value);
}
else
{
$table->name = JText::_('JLIB_FORM_SELECT_USER');
}
$extraData = array(
'userName' => $table->name,
'groups' => $this->getGroups(),
'excluded' => $this->getExcluded()
);
return array_merge($data, $extraData);
}
/**
* Method to get the filtering groups (null means no filtering)
*
* @return mixed array of filtering groups or null.
*
* @since 1.6
*/
protected function getGroups()
{
if (isset($this->element['groups']))
{
return explode(',', $this->element['groups']);
}
return null;
}
/**
* Method to get the users to exclude from the list of users
*
* @return mixed Array of users to exclude or null to to not exclude them
*
* @since 1.6
*/
protected function getExcluded()
{
return explode(',', $this->element['exclude']);
}
}
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