<?php
/**
 * @package     Joomla.Platform
 * @subpackage  HTML
 *
 * @copyright   Copyright (C) 2005 - 2011 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

require_once dirname(__FILE__).DS.'list.php';

/**
 * Parameter to display a list of the layouts for a module from the module or default template overrides.
 *
 * @package     Joomla.Platform
 * @subpackage  Parameter
 */
class JElementModuleLayouts extends JElementList
{
    /**
     * @var     string
     */
    protected $_name = 'ModuleLayouts';

    /**
     * Get the options for the list.
     */
    protected function _getOptions(&$node)
    {
        $clientId = ($v = $node->attributes('client_id')) ? $v : 0;

        $options    = array();
        $path1      = null;
        $path2      = null;

        // Load template entries for each menuid
        $db     = JFactory::getDBO();
        $query  = $db->getQuery(true);
        $query->select('template');
        $query->from('#__template_styles');
        $query->where('client_id = '.(int) $clientId);
        $query->where('home = 1');
        $db->setQuery($query);
        $template   = $db->loadResult();

        if ($module = $node->attributes('module')) {
            $base   = ($clientId == 1) ? JPATH_ADMINISTRATOR : JPATH_SITE;
            $module = preg_replace('#\W#', '', $module);
            $path1  = $base.DS.'modules'.DS.$module.DS.'tmpl';
            $path2  = $base.DS.'templates'.DS.$template.DS.'html'.DS.$module;
            $options[]  = JHTML::_('select.option', '', '');
        }

        if ($path1 && $path2) {
            jimport('joomla.filesystem.file');
            $path1 = JPath::clean($path1);
            $path2 = JPath::clean($path2);

            $files  = JFolder::files($path1, '^[^_]*\.php$');
            foreach ($files as $file) {
                $options[]  = JHTML::_('select.option', JFile::stripExt($file));
            }

            if (is_dir($path2) && $files = JFolder::files($path2, '^[^_]*\.php$')) {
                $options[]  = JHTML::_('select.optgroup', JText::_('JOPTION_FROM_DEFAULT'));
                foreach ($files as $file) {
                    $options[]  = JHTML::_('select.option', JFile::stripExt($file));
                }
                $options[]  = JHTML::_('select.optgroup', JText::_('JOPTION_FROM_DEFAULT'));
            }
        }

        // Merge any additional options in the XML definition.
        $options = array_merge(parent::_getOptions($node), $options);

        return $options;
    }
}