Your IP : 216.73.217.80
<?php
/**
* @author Guillermo Vargas <guille@vargas.co.cr>
* @author Branko Wilhelm <branko.wilhelm@gmail.com>
* @link http://www.z-index.net
* @copyright (c) 2005 - 2009 Joomla! Vargas. All rights reserved.
* @copyright (c) 2015 Branko Wilhelm. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
use Joomla\Registry\Registry;
JLoader::import('joomla.filesystem.file');
/**
* Class XmapHelper
*/
abstract class XmapHelper
{
/**
* @var array
*/
protected static $extensions = null;
/**
* @var string
*/
protected static $languageCode = null;
/**
* @var array
*/
public static $instances = array();
/**
* there is currently no fu***ing other way to get the short language code in Joomla :(
*
* @return string
*/
public static function getLanguageCode()
{
if (is_null(self::$languageCode))
{
$languages = JLanguageHelper::getLanguages('lang_code');
self::$languageCode = $languages[JFactory::getLanguage()->getTag()]->sef;
}
return self::$languageCode;
}
/**
* @todo refactor (reduce sql queries)
*
* @param $selections
*
* @return array
* @throws Exception
*/
public static function getMenuItems($selections)
{
/** @var JApplicationSite $app */
$app = JFactory::getApplication();
$db = JFactory::getDbo();
$user = JFactory::getUser();
$list = array();
foreach ($selections as $menutype => $menuOptions)
{
// Initialize variables.
// Get the menu items as a tree.
$query = $db->getQuery(true);
$query->select(
'n.id, n.title, n.alias, n.path, n.level, n.link, '
. 'n.type, n.params, n.home, n.parent_id'
. ',n.' . $db->quoteName('browserNav')
);
$query->from('#__menu AS n');
$query->join('INNER', ' #__menu AS p ON p.lft = 0');
$query->where('n.lft > p.lft');
$query->where('n.lft < p.rgt');
$query->order('n.lft');
// Filter over the appropriate menu.
$query->where('n.menutype = ' . $db->quote($menutype));
// Filter over authorized access levels and publishing state.
$query->where('n.published = 1');
$query->where('n.access IN (' . implode(',', (array)$user->getAuthorisedViewLevels()) . ')');
// Filter by language
if ($app->getLanguageFilter())
{
$query->where('n.language in (' . $db->quote(JFactory::getLanguage()->getTag()) . ',' . $db->quote('*') . ')');
}
$db->setQuery($query);
try
{
$tmpList = $db->loadObjectList('id');
} catch (RuntimeException $e)
{
JError::raise(E_WARNING, $e->getCode(), $e->getMessage());
return array();
}
$list[$menutype] = array();
// Set some values to make nested HTML rendering easier.
foreach ($tmpList as $id => $item)
{
$item->items = array();
$params = new Registry($item->params);
$item->uid = 'itemid' . $item->id;
if (preg_match('#^/?index.php.*option=(com_[^&]+)#', $item->link, $matches))
{
$item->option = $matches[1];
$componentParams = clone(JComponentHelper::getParams($item->option));
$componentParams->merge($params);
//$params->merge($componentParams);
$params = $componentParams;
} else
{
$item->option = null;
}
$item->params = $params;
if ($item->type != 'separator')
{
$item->priority = $menuOptions['priority'];
$item->changefreq = $menuOptions['changefreq'];
self::prepareMenuItem($item);
} else
{
$item->priority = null;
$item->changefreq = null;
}
if ($item->parent_id > 1)
{
$tmpList[$item->parent_id]->items[$item->id] = $item;
} else
{
$list[$menutype][$item->id] = $item;
}
}
}
return $list;
}
/**
* @return array|null
*/
public static function getExtensions()
{
if (is_null(self::$extensions))
{
$db = JFactory::getDbo();
// init as array so this method called be only once
self::$extensions = array();
$query = $db->getQuery(true)
->select('e.element')
->select('e.folder')
->select('e.params')
->from('#__extensions AS e')
->where('e.folder = ' . $db->quote('xmap'))
->where('e.enabled = ' . $db->quote(1));
$db->setQuery($query);
try
{
$extensions = $db->loadObjectList('element');
} catch (RuntimeException $e)
{
return self::$extensions;
}
if (empty($extensions))
{
return self::$extensions;
}
foreach ($extensions as $element => $extension)
{
// file_exists should be not required if extension marked as enabled?!
if (JFile::exists(JPATH_PLUGINS . '/' . $extension->folder . '/' . $element . '/' . $element . '.php'))
{
require_once(JPATH_PLUGINS . '/' . $extension->folder . '/' . $element . '/' . $element . '.php');
$params = new Registry($extension->params);
$extension->params = $params->toArray();
}
}
self::$extensions = $extensions;
}
return self::$extensions;
}
/**
* Call the function prepareMenuItem of the extension for the item (if any)
*
* @param $item stdClass
*
* @return bool
*/
public static function prepareMenuItem(stdClass $item)
{
$extensions = self::getExtensions();
$className = 'xmap_' . $item->option;
if (empty($extensions[$item->option]))
{
return false;
}
// create only one instance
if (!isset(self::$instances[$className]))
{
self::$instances[$className] = new $className;
}
if (method_exists(self::$instances[$className], 'prepareMenuItem'))
{
call_user_func_array(array(self::$instances[$className], 'prepareMenuItem'), array(&$item, &$extensions[$item->option]->params));
return true;
}
return false;
}
/**
* @todo used in xmap_com_content, change com_content plugin to use attached article images
*
* @param $text
* @param $max
*
* @return array|null
*/
public static function getImages($text, $max)
{
$urlBase = JUri::base();
$urlBaseLen = strlen($urlBase);
$images = null;
$matches1 = $matches2 = array();
// Look <img> tags
preg_match_all('/<img[^>]*?(?:(?:[^>]*src="(?P<src>[^"]+)")|(?:[^>]*alt="(?P<alt>[^"]+)")|(?:[^>]*title="(?P<title>[^"]+)"))+[^>]*>/i', $text, $matches1, PREG_SET_ORDER);
// Loog for <a> tags with href to images
preg_match_all('/<a[^>]*?(?:(?:[^>]*href="(?P<src>[^"]+\.(gif|png|jpg|jpeg))")|(?:[^>]*alt="(?P<alt>[^"]+)")|(?:[^>]*title="(?P<title>[^"]+)"))+[^>]*>/i', $text, $matches2, PREG_SET_ORDER);
$matches = array_merge($matches1, $matches2);
if (count($matches))
{
$images = array();
$count = count($matches);
$j = 0;
for ($i = 0; $i < $count && $j < $max; $i++)
{
if (trim($matches[$i]['src']) && (substr($matches[$i]['src'], 0, 1) == '/' || !preg_match('/^https?:\/\//i', $matches[$i]['src']) || substr($matches[$i]['src'], 0, $urlBaseLen) == $urlBase))
{
$src = $matches[$i]['src'];
if (substr($src, 0, 1) == '/')
{
$src = substr($src, 1);
}
if (!preg_match('/^https?:\//i', $src))
{
$src = $urlBase . $src;
}
$image = new stdClass;
$image->src = $src;
$image->title = (isset($matches[$i]['title']) ? $matches[$i]['title'] : @$matches[$i]['alt']);
$images[] = $image;
$j++;
}
}
}
return $images;
}
/**
* @param $text
* @param $baseLink
*
* @return array
*/
public static function getPagebreaks($text, $baseLink)
{
$matches = $subnodes = array();
if (preg_match_all(
'/<hr\s*[^>]*?(?:(?:\s*alt="(?P<alt>[^"]+)")|(?:\s*title="(?P<title>[^"]+)"))+[^>]*>/i',
$text, $matches, PREG_SET_ORDER)
)
{
$i = 2;
foreach ($matches as $match)
{
if (strpos($match[0], 'class="system-pagebreak"') !== false)
{
$link = $baseLink . '&limitstart=' . ($i - 1);
if (@$match['alt'])
{
$title = stripslashes($match['alt']);
} elseif (@$match['title'])
{
$title = stripslashes($match['title']);
} else
{
$title = JText::sprintf('Page #', $i);
}
$subnode = new stdClass();
$subnode->name = $title;
$subnode->expandible = false;
$subnode->link = $link;
$subnodes[] = $subnode;
$i++;
}
}
}
return $subnodes;
}
}