* @link http://www.nonumber.nl
* @copyright Copyright (C) 2010 NoNumber! All Rights Reserved
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
*/
// Ensure this file is being included by a parent file
defined( '_JEXEC' ) or die( 'Restricted access' );
/**
* Dependency Element
*
* Available extra parameters:
* label The name of the extension that is needed
* file The file to check (from the root)
*/
class JElementDependency extends JElement
{
/**
* Element name
*
* @access protected
* @var string
*/
var $_name = 'Dependency';
function fetchTooltip( $label, $description, &$node, $control_name, $name )
{
return;
}
function fetchElement( $name, $value, &$node, $control_name )
{
$label = $this->def( $node->attributes( 'label' ), 'the main extension' );
$file = $node->attributes( 'file' );
$file = str_replace( '/', DS, $file );
$this->setMessage( $file, $label );
$random = rand( 1000, 10000 );
$html = '';
return $html;
}
function setMessage( $file, $name )
{
jimport( 'joomla.filesystem.file' );
if ( strpos( $file, '/administrator' ) === 0 ) {
$file = str_replace( '/', DS, str_replace( '/administrator', JPATH_ADMINISTRATOR, $file ) );
} else {
$file = JPATH_SITE.str_replace( '/', DS, $file );
}
if ( !JFile::exists( $file ) ) {
$mainframe =& JFactory::getApplication();
$msg = JText::sprintf( '-This extension needs the main extension to function', $name );
$message_set = 0;
$messageQueue = $mainframe->getMessageQueue();
foreach ( $messageQueue as $queue_message ) {
if ( $queue_message['type'] == 'error' && $queue_message['message'] == $msg ) {
$message_set = 1;
break;
}
}
if ( !$message_set ) {
$mainframe->enqueueMessage( $msg, 'error' );
}
}
}
function def( $val, $default )
{
return ( $val == '' ) ? $default : $val;
}
}