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<?php
/**
* @package Joomla.Platform
* @subpackage Form
*
* @copyright (C) 2011 Open Source Matters, Inc. <https://www.joomla.org>
* @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 a list of available database connections, optionally limiting to
* a given list.
*
* @see JDatabaseDriver
* @since 1.7.3
*/
class JFormFieldDatabaseConnection extends JFormFieldList
{
/**
* The form field type.
*
* @var string
* @since 1.7.3
*/
protected $type = 'DatabaseConnection';
/**
* Method to get the list of database options.
*
* This method produces a drop down list of available databases supported
* by JDatabaseDriver classes that are also supported by the application.
*
* @return array The field option objects.
*
* @since 1.7.3
* @see JDatabaseDriver::getConnectors()
*/
protected function getOptions()
{
// This gets the connectors available in the platform and supported by the server.
$available = JDatabaseDriver::getConnectors();
/**
* This gets the list of database types supported by the application.
* This should be entered in the form definition as a comma separated list.
* If no supported databases are listed, it is assumed all available databases
* are supported.
*/
$supported = $this->element['supported'];
if (!empty($supported))
{
$supported = explode(',', $supported);
foreach ($supported as $support)
{
if (in_array($support, $available))
{
$options[$support] = JText::_(ucfirst($support));
}
}
}
else
{
foreach ($available as $support)
{
$options[$support] = JText::_(ucfirst($support));
}
}
// This will come into play if an application is installed that requires
// a database that is not available on the server.
if (empty($options))
{
$options[''] = JText::_('JNONE');
}
return $options;
}
}