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<?php
/**
* @package JCE
* @copyright Copyright (c) 2009-2014 Ryan Demmer. All rights reserved.
* @license GNU/GPL 2 or later - http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* JCE is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
*/
defined('_JEXEC') or die('RESTRICTED');
wfimport('editor.libraries.classes.extensions');
class WFLinkExtension extends WFExtension {
/*
* @var varchar
*/
private $extensions = array();
protected static $instance;
protected static $links = array();
/**
* Constructor activating the default information of the class
*
* @access protected
*/
public function __construct() {
parent::__construct();
$extensions = self::loadExtensions('links');
// Load all link extensions
foreach ($extensions as $link) {
$this->extensions[] = $this->getLinkExtension($link);
}
$request = WFRequest::getInstance();
$request->setRequest(array($this, 'getLinks'));
}
public static function getInstance($config = array()) {
if (!isset(self::$instance)) {
self::$instance = new WFLinkExtension($config);
}
return self::$instance;
}
public function display() {
parent::display();
$document = WFDocument::getInstance();
$document->addScript(array('tree', 'link'), 'libraries');
$document->addStyleSheet(array('tree'), 'libraries');
foreach ($this->extensions as $extension) {
$extension->display();
}
}
private function getLinkExtension($name) {
if (array_key_exists($name, self::$links) === false || empty(self::$links[$name])) {
$classname = 'WFLinkBrowser_' . ucfirst($name);
// create class
if (class_exists($classname)) {
self::$links[$name] = new $classname();
}
}
return self::$links[$name];
}
public function render() {
$list = array();
foreach ($this->extensions as $extension) {
if ($extension->isEnabled()) {
$list[] = $extension->getList();
}
}
if (count($list)) {
$view = $this->getView(array('name' => 'links', 'layout' => 'links'));
$view->assign('list', implode("\n", $list));
$view->display();
}
}
private static function cleanInput($args, $method = 'string') {
$filter = JFilterInput::getInstance();
foreach ($args as $k => $v) {
$args->$k = $filter->clean($v, $method);
}
return $args;
}
public function getLinks($args) {
$args = self::cleanInput($args, 'cmd');
foreach ($this->extensions as $extension) {
if (in_array($args->option, $extension->getOption())) {
$items = $extension->getLinks($args);
}
}
$array = array();
$result = array();
if (isset($items)) {
foreach ($items as $item) {
$array[] = array(
'id' => isset($item['id']) ? self::xmlEncode($item['id']) : '',
'url' => isset($item['url']) ? self::xmlEncode($item['url']) : '',
'name' => self::xmlEncode($item['name']), 'class' => $item['class']
);
}
$result = array('folders' => $array);
}
return $result;
}
/**
* Category function used by many extensions
*
* @access public
* @return Category list object.
* @since 1.5
*/
public function getCategory($section, $parent = 1) {
$db = JFactory::getDBO();
$user = JFactory::getUser();
$wf = WFEditorPlugin::getInstance();
$query = $db->getQuery(true);
$where = array();
$version = new JVersion();
$language = $version->isCompatible('3.0') ? ', language' : '';
if (method_exists('JUser', 'getAuthorisedViewLevels')) {
$where[] = 'parent_id = ' . (int) $parent;
$where[] = 'extension = ' . $db->Quote($section);
$where[] = 'access IN (' . implode(',', $user->getAuthorisedViewLevels()) . ')';
if (!$wf->checkAccess('static', 1)) {
$where[] = 'path != ' . $db->Quote('uncategorised');
}
} else {
$where[] = 'section = ' . $db->Quote($section);
$where[] = 'access <= ' . (int) $user->get('aid');
}
if ($wf->getParam('category_alias', 1) == 1) {
if (is_object($query)) {
//sqlsrv changes
$case = ', CASE WHEN ';
$case .= $query->charLength('alias', '!=', '0');
$case .= ' THEN ';
$a_id = $query->castAsChar('id');
$case .= $query->concatenate(array($a_id, 'alias'), ':');
$case .= ' ELSE ';
$case .= $a_id . ' END as slug';
} else {
$case .= ', CASE WHEN CHAR_LENGTH(alias) THEN CONCAT_WS(":", id, alias) ELSE id END as slug';
}
}
if (is_object($query)) {
$where[] = 'published = 1';
$query->select('id AS slug, id AS id, title, alias, access' . $language . $case)->from('#__categories')->where($where)->order('title');
} else {
$query = 'SELECT id AS slug, id AS id, title, alias, access' . $case;
$query .= ' FROM #__categories';
$query .= ' WHERE ' . implode(' AND ', $where);
$query .= ' ORDER BY title';
}
$db->setQuery($query);
return $db->loadObjectList();
}
/**
* (Attempt to) Get an Itemid
*
* @access public
* @param string $component
* @param array $needles
* @return Category list object.
*/
public function getItemId($component, $needles = array()) {
$match = null;
//require_once(JPATH_SITE . '/includes/application.php');
$app = JApplication::getInstance('site');
$tag = defined('JPATH_PLATFORM') ? 'component_id' : 'componentid';
$component = JComponentHelper::getComponent($component);
$menu = $app->getMenu('site');
$items = $menu->getItems($tag, $component->id);
if ($items) {
foreach ($needles as $needle => $id) {
foreach ($items as $item) {
if ((@$item->query['view'] == $needle) && (@$item->query['id'] == $id)) {
$match = $item->id;
break;
}
}
if (isset($match)) {
break;
}
}
}
return $match ? '&Itemid=' . $match : '';
}
/**
* Translates an internal Joomla URL to a humanly readible URL.
*
* @param string $url Absolute or Relative URI to Joomla resource.
*
* @return The translated humanly readible URL.
*/
public static function route($url) {
$app = JApplication::getInstance('site');
$router = $app->getRouter('site');
if (!$router) {
return $url;
}
$uri = $router->build($url);
$url = $uri->toString();
$url = str_replace('/administrator/', '/', $url);
return $url;
}
/**
* XML encode a string.
*
* @access public
* @param string String to encode
* @return string Encoded string
*/
private static function xmlEncode($string) {
return str_replace(array('&', '<', '>', "'", '"'), array('&', '<', '>', ''', '"'), $string);
}
}
abstract class WFLinkBrowser extends WFLinkExtension {
}