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<?php
/**
*------------------------------------------------------------------------------
* @package T3 Framework for Joomla!
*------------------------------------------------------------------------------
* @copyright Copyright (C) 2004-2013 JoomlArt.com. All Rights Reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
* @authors JoomlArt, JoomlaBamboo, (contribute to this project at github
* & Google group to become co-author)
* @Google group: https://groups.google.com/forum/#!forum/t3fw
* @Link: http://t3-framework.org
*------------------------------------------------------------------------------
*/
// no direct access
defined('_JEXEC') or die('Restricted access');
/**
* T3 class
* Singleton class for T3
* @package T3
*/
class T3 {
protected static $t3app = null;
protected static $tmpl = null;
/**
* Import T3 Library
*
* @param string $package Object path that seperate by backslash (/)
*
* @return void
*/
public static function import($package){
$path = T3_ADMIN_PATH . DIRECTORY_SEPARATOR . 'includes' . DIRECTORY_SEPARATOR . strtolower($package) . '.php';
if (file_exists($path)) {
include_once $path;
} else {
trigger_error('T3::import not found object: ' . $package, E_USER_ERROR);
}
}
/**
* Register class with Joomla Loader. Override joomla core if $import_key avaiable
*
* @return void
*/
public static function register ($class, $path, $import_key = null) {
if (!empty($import_key)) jimport($import_key);
JLoader::register ($class, $path);
}
/**
* @param object $tpl template object to initialize if needed
* @return bool|null|T3Admin
*/
public static function getApp($tpl = null){
if(empty(self::$t3app)){
$japp = JFactory::getApplication();
self::$t3app = $japp->isAdmin() ? self::getAdmin() : self::getSite($tpl);
}
return self::$t3app;
}
/**
* initialize T3
*/
public static function init ($xml) {
$app = JFactory::getApplication();
$input = $app->input;
$coretheme = isset($xml->t3) && isset($xml->t3->base) ? trim((string)$xml->t3->base) : 'base';
// check coretheme in media/t3/themes folder
// if not exists, use default base theme in T3
if (!$coretheme){
$coretheme = 'base';
}
foreach(array(T3_EX_BASE_PATH, T3_ADMIN_PATH) as $basedir){
if(is_dir($basedir . '/' . $coretheme)){
if(is_file($basedir . '/' . $coretheme . '/define.php')){
include_once ($basedir . '/' . $coretheme . '/define.php');
}
break;
}
}
if(!defined('T3')){
// get ready for the t3 core base theme
include_once (T3_CORE_BASE_PATH . '/define.php');
}
if(!defined('T3')){
T3::error(JText::sprintf('T3_MSG_FAILED_INIT_BASE', $coretheme));
exit;
}
define ('T3_TEMPLATE', (String)$xml->tplname);
define ('T3_TEMPLATE_URL', JURI::root(true).'/templates/'.T3_TEMPLATE);
define ('T3_TEMPLATE_PATH', str_replace ('\\', '/', JPATH_ROOT) . '/templates/' . T3_TEMPLATE);
define ('T3_TEMPLATE_REL', 'templates/' . T3_TEMPLATE);
define ('T3_LOCAL_URL', T3_TEMPLATE_URL . '/' . T3_LOCAL_DIR);
define ('T3_LOCAL_PATH', T3_TEMPLATE_PATH . '/' . T3_LOCAL_DIR);
define ('T3_LOCAL_REL', T3_TEMPLATE_REL . '/' . T3_LOCAL_DIR);
if ($input->getCmd('themer', 0)){
define ('T3_THEMER', 1);
}
if (!$app->isAdmin()) {
$params = $app->getTemplate(true)->params;
define ('T3_DEV_FOLDER', $params->get ('t3-assets', 't3-assets') . '/dev');
define ('T3_DEV_MODE', $params->get ('devmode', 0));
} else {
$params = self::getTemplate()->params;
define ('T3_DEV_FOLDER', $params->get ('t3-assets', 't3-assets') . '/dev');
}
if (!is_dir(JPATH_ROOT.'/'.T3_DEV_FOLDER)) {
jimport('joomla.filesystem.folder');
JFolder::create(JPATH_ROOT.'/'.T3_DEV_FOLDER);
}
if($input->getCmd('t3lock', '')){
JFactory::getSession()->set('T3.t3lock', $input->getCmd('t3lock', ''));
$input->set('t3lock', null);
}
// load core library
T3::import ('core/path');
T3::import ('core/t3j');
if (!$app->isAdmin()) {
if(version_compare(JVERSION, '3.0', 'ge')){
// override core joomla class
// JViewLegacy
T3::register('JViewLegacy', T3_ADMIN_PATH . '/includes/joomla30/viewlegacy.php');
T3::register('JViewHtml', T3_ADMIN_PATH . '/includes/joomla30/viewhtml.php');
// JModuleHelper
T3::register('JModuleHelper', T3_ADMIN_PATH . '/includes/joomla30/modulehelper.php');
// JPagination
T3::register('JPagination', T3_ADMIN_PATH . '/includes/joomla30/pagination.php');
// Register T3 Layout File to put a t3 base layer for layout files
T3::register('JLayoutFile', T3_ADMIN_PATH . '/includes/joomla25/layout/file.php');
} else {
// override core joomla class
// JView
T3::register('JView', T3_ADMIN_PATH . '/includes/joomla25/view.php', 'joomla.application.component.view');
// JModuleHelper
T3::register('JModuleHelper', T3_ADMIN_PATH . '/includes/joomla25/modulehelper.php', 'joomla.application.module.helper');
// JPagination
T3::register('JPagination', T3_ADMIN_PATH . '/includes/joomla25/pagination.php', 'joomla.html.pagination');
//register layout
T3::register('JLayout', T3_ADMIN_PATH . '/includes/joomla25/layout/layout.php');
T3::register('JLayoutBase', T3_ADMIN_PATH . '/includes/joomla25/layout/base.php');
T3::register('JLayoutFile', T3_ADMIN_PATH . '/includes/joomla25/layout/file.php');
T3::register('JLayoutHelper', T3_ADMIN_PATH . '/includes/joomla25/layout/helper.php');
T3::register('JHtmlBootstrap', T3_ADMIN_PATH . '/includes/joomla25/html/bootstrap.php');
T3::register('JHtmlBehavior', T3_ADMIN_PATH . '/includes/joomla25/html/behavior.php');
T3::register('JHtmlString', T3_ADMIN_PATH . '/includes/joomla25/html/string.php');
T3::register('JHtmlJquery', T3_ADMIN_PATH . '/includes/joomla25/html/jquery.php');
// load j25 compat language
JFactory::getLanguage()->load('plg_system_t3.j25.compat', JPATH_ADMINISTRATOR);
}
// import renderer
T3::import('renderer/pageclass');
T3::import('renderer/megamenu');
T3::import('renderer/t3bootstrap');
} else {
}
// capture for tm=1 => show theme magic
if ($input->getCmd('tm') == 1) {
$input->set('t3action', 'theme');
$input->set('t3task', 'thememagic');
}
}
public static function checkAction () {
// excute action by T3
if ($action = JFactory::getApplication()->input->getCmd ('t3action')) {
T3::import ('core/action');
T3Action::run ($action);
}
}
/**
* check for t3ajax action
*/
public static function checkAjax () {
// excute action by T3
$input = JFactory::getApplication()->input;
if ($input->getCmd ('t3ajax')) {
T3::import('core/ajax');
T3::import('renderer/t3ajax');
//T3Ajax::processAjaxRule();
JFactory::getApplication()->getTemplate(true)->params->set('mainlayout', 'ajax.' . $input->getCmd('f', 'html'));
}
}
/**
* get T3Admin object
* @return T3Admin
*/
public static function getAdmin(){
T3::import ('core/admin');
return new T3Admin();
}
/**
* get T3Template object for frontend
* @param $tpl
* @return bool
*/
public static function getSite($tpl){
//when on site, the JDocumentHTML parameter must be pass
if(empty($tpl)){
return false;
}
$type = 'Template'. JFactory::getApplication()->input->getCmd ('t3tp', '');
T3::import ('core/' . $type);
// create global t3 template object
$class = 'T3' . $type;
return new $class($tpl);
}
/**
* @param $msg
* @param int $code
* @throws Exception
*/
public static function error($msg, $code = 500){
if (JError::$legacy) {
JError::setErrorHandling(E_ERROR, 'die');
JError::raiseError($code, $msg);
exit;
} else {
throw new Exception($msg, $code);
}
}
/**
* detect function to check a current template is T3 template
* @return bool|SimpleXMLElement
*/
public static function detect(){
static $t3;
if (!isset($t3)) {
$t3 = false; // set false
$app = JFactory::getApplication();
$input = $app->input;
// get template name
$tplname = '';
if($input->getCmd ('t3action') && $input->getInt('styleid', '')) {
$tplname = self::getTemplate(true);
} elseif ($app->isAdmin()) {
// if not login, do nothing
$user = JFactory::getUser();
if (!$user->id){
return false;
}
if($input->getCmd('option') == 'com_templates' &&
(preg_match('/style\./', $input->getCmd('task')) ||
$input->getCmd('view') == 'style' ||
$input->getCmd('view') == 'template')){
$db = JFactory::getDBO();
$query = $db->getQuery(true);
$id = $input->getInt('id');
//when in POST the view parameter does not set
if ($input->getCmd('view') == 'template') {
$query
->select('element')
->from('#__extensions')
->where('extension_id='.(int)$id . ' AND type=' . $db->quote('template'));
} else {
$query
->select('template')
->from('#__template_styles')
->where('id='.(int)$id);
}
$db->setQuery($query);
$tplname = $db->loadResult();
}
} else {
$tplname = $app->getTemplate(false);
}
if ($tplname) {
// parse xml
$filePath = JPath::clean(JPATH_ROOT.'/templates/'.$tplname.'/templateDetails.xml');
if (is_file ($filePath)) {
$xml = $xml = simplexml_load_file($filePath);
// check t3 or group=t3 (compatible with previous definition)
if (isset($xml->t3) || (isset($xml->group) && strtolower($xml->group) == 't3')) {
$xml->tplname = $tplname;
$t3 = $xml;
}
}
}
}
return $t3;
}
/**
* get default template style
*/
public static function getDefaultTemplate($name = false){
static $template;
if (!isset($template)) {
$db = JFactory::getDbo();
$query = $db->getQuery(true);
$query
->select('id, home, template, s.params')
->from('#__template_styles as s')
->where('s.client_id = 0')
->where('s.home = \'1\'')
->where('e.enabled = 1')
->leftJoin('#__extensions as e ON e.element=s.template AND e.type='.$db->quote('template').' AND e.client_id=s.client_id');
$db->setQuery($query);
$result = $db->loadObject();
$template = !empty($result) ? $result : false;
}
if($name && $template){
return $template->template;
}
return $template;
}
/**
* get the template object or template name
* @param bool $name
* @return mixed template object or template name
*/
public static function getTemplate($name = false)
{
if(!isset(self::$tmpl) || !self::$tmpl){
$app = JFactory::getApplication();
$input = $app->input;
$id = $input->getInt('styleid', $input->getInt('id'));
if($id){
$db = JFactory::getDbo();
$query = $db->getQuery(true);
$query
->select('template, params')
->from('#__template_styles')
->where('client_id = 0');
if($app->isAdmin() && $input->get('view') == 'template' && defined('T3_TEMPLATE')){
$query->where('template='. $db->quote(T3_TEMPLATE));
} else {
$query->where('id='. $id);
}
$db->setQuery($query);
$template = $db->loadObject();
if ($template) {
$registry = new JRegistry;
$registry->loadString($template->params);
$template->params = $registry;
}
self::$tmpl = $template;
}
}
if($name && self::$tmpl){
return self::$tmpl->template;
}
return self::$tmpl;
}
/**
* set caching template and its parameters
* @param string $name
* @param string $params
*/
public static function setTemplate($name = '', $params = ''){
if(!self::$tmpl){
self::$tmpl = new stdClass;
}
if($name && $params){
self::$tmpl->template = $name;
self::$tmpl->params = $params;
}
}
/**
* get template parameters
* @return JRegistry
*/
public static function getTplParams()
{
$tmpl = self::getTemplate();
return $tmpl ? $tmpl->params : new JRegistry; //empty registry ? or throw error
}
/**
* check if current page is homepage
*/
public static function isHome(){
$active = JFactory::getApplication()->getMenu()->getActive();
return (!$active || $active->home);
}
/**
* fix ja back link
* @param $buffer
* @return mixed
*/
public static function fixJALink($buffer){
if(!self::isHome()){
$buffer = preg_replace_callback('@<a[^>]*>JoomlArt.com</a>@i', array('T3', 'removeBacklink'), $buffer);
}
return $buffer;
}
/**
* fix t3-framework.org back link
* @param $buffer
* @return mixed
*/
public static function fixT3Link($buffer){
if(!self::isHome()){
$buffer = preg_replace_callback('@<a[^>]*>([^>]*)>T3 Framework</strong></a>@mi', array('T3', 'removeBacklink'), $buffer);
}
return $buffer;
}
/**
* check nofollow attribute
* @param $match
* @return mixed
*/
public static function removeBacklink($match){
if($match && isset($match[0]) && strpos($match[0], 'rel="nofollow"') === false){
$match[0] = str_replace('<a ', '<a rel="nofollow" ', $match[0]);
}
return $match[0];
}
}
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