/**
* Constructor
*
* @param $template string
* Template name
*
* @return void
*/
function __construct($template = null)
{
$this->template = T3_ACTIVE_TEMPLATE;
$this->_params = T3Parameter::getInstance();
$this->_theme_info = T3Common::get_active_themes_info();
if ($template) {
$this->_tpl = $template;
$this->_extend(array($template));
}
}
/**
* Get page key from URI, browser (version), params (cookie params)
*
* @return mixed NULL if devmode/noncache or string key code
*/
public static function getPageKey()
{
static $key = null;
if ($key) {
return $key;
}
// No cache in devmode
$t3cache = T3Cache::getT3Cache();
if ($t3cache->_devmode) {
return null;
}
// No cache when disable T3 cache
$config = T3Common::get_template_based_params();
if ($config->get('cache', 0) == 0) {
return null;
}
// TODO: need to move in cache page code at the end of onAfterRender
$mainframe = JFactory::getApplication();
$messages = $mainframe->getMessageQueue();
// Ignore cache when there're some message
if (is_array($messages) && count($messages)) {
return null;
}
// If user log-in, ignore cache
$user = JFactory::getUser();
if (!$user->get('guest') || $_SERVER['REQUEST_METHOD'] != 'GET') {
return null;
}
// If ie6, ignore cache
$isIE6 = T3Template::isIE6();
if ($isIE6) {
return null;
}
// Don't cache when offline
$cfg = JFactory::getConfig();
if ($cfg->get('offline')) {
return null;
}
$uri = JRequest::getURI();
//$browser = T3Common::getBrowserSortName() . "-" . T3Common::getBrowserMajorVersion();
$mobile = T3Common::mobile_device_detect();
$params = T3Parameter::getInstance();
$cparams = '';
foreach ($params->_params_cookie as $k => $v) {
$cparams .= $k . "=" . $v . '&';
}
//$key = "page - URI: $uri; Browser: $browser; Params: $cparams";
$key = "page - URI: {$uri}; Mobile: {$mobile}; Params: {$cparams}";
//T3Common::log($key . ' ' . T3Common::getBrowserSortName() . "-" . T3Common::getBrowserMajorVersion());
return $key;
}
/**
* Get list of theme name
*
* @return array
*/
public static function get_active_themes()
{
static $_themes = null;
if (!isset($_themes)) {
$_themes = array();
$themes = T3Parameter::_getParam('themes');
// Active themes
$themes = preg_split('/,/', $themes);
for ($i = 0; $i < count($themes); $i++) {
$themes[$i] = trim($themes[$i]);
$theme = array();
if (preg_match('/^(local)\\.(.*)$/', $themes[$i], $matches)) {
$theme[0] = $matches[1];
$theme[1] = $matches[2];
//$themes[$i] = array('local', $matches[1]);
} elseif (preg_match('/^(core)\\.(.*)$/', $themes[$i], $matches)) {
$theme[0] = $matches[1];
$theme[1] = $matches[2];
//$themes[$i] = array('core', $matches[1]);
} else {
$theme[0] = 'core';
$theme[1] = $themes[$i];
//$themes[$i] = array('core', $themes[$i]);
}
$path = self::getThemePath($theme[1], $theme[0] == 'local');
if ($theme[1] && is_dir($path)) {
$_themes[] = $theme;
}
}
//if (T3Common::isRTL()) $_themes[] = array('core', 'default-rtl');
$_themes[] = array('template', 'default');
//if (T3Common::isRTL()) $_themes[] = array('engine', 'default-rtl');
$_themes[] = array('engine', 'default');
//if isRTL, and -rtl theme exists then add this theme automatically, before add the current theme to active list
if (T3Common::isRTL()) {
$_themesrtl = array();
foreach ($_themes as $theme) {
$themertl = array();
$themertl[0] = $theme[0] == 'template' ? 'core' : $theme[0];
$themertl[1] = $theme[1] . '-rtl';
//$path = T3Path::path(T3_TEMPLATE) . DS . $themertl[0] . DS . 'themes' . DS . $themertl[1];
$path = self::getThemePath($themertl[1], $themertl[0] == 'local');
if ($themertl[0] == 'engine' || is_dir($path)) {
$_themesrtl[] = $themertl;
}
}
$_themes = array_merge($_themesrtl, $_themes);
}
}
return $_themes;
}
/**
* Set value to parameter
*
* @param string $param Parameter name
* @param string $value Setted value
*
* @return void
*/
function _setParam($param, $value)
{
$params = T3Parameter::getInstance();
return $params->setParam($param, $value);
}
/**
* Use a shorter and readable filename. use version to tell the browser that the file content is change.
* Read content from array of files $files and write to one cached file if need update $needupdate or cached file not exists
*
* @param array $files List of file
* @param string $ext Extension
* @param bool $needupdate Indicate need to update file or not
*
* @return The new file url
*/
public static function store_file2($files, $ext, $needupdate)
{
$cache_path = T3Parameter::_getParam('optimize_folder', 't3-assets');
$optimize_level = T3Parameter::_getParam('optimize_' . $ext, 1);
$path = T3Path::path($cache_path);
if (!is_dir($path)) {
if (!@JFolder::create($path)) {
return false;
//cannot create cache folder for js/css optimize
}
}
if (!is_file($path . DS . 'index.html')) {
$indexcontent = '<html><body></body></html>';
if (!@JFile::write($path . DS . 'index.html', $indexcontent)) {
return false;
//cannot create blank index.html to prevent list files
}
}
static $filemap = array();
//data.php contain filename maps
$datafile = $path . '/data.php';
if (is_file($datafile)) {
include_once $datafile;
}
//get a salt
if (!isset($filemap['salt']) || !$filemap['salt']) {
$filemap['salt'] = rand();
}
//build destination file
$file = md5($filemap['salt'] . serialize($files));
$filename = $ext . '_' . substr($file, 0, 5) . ".{$ext}";
$destfile = $path . DS . $filename;
//re-populate $needupdate in case $destfile exists & keep original (not minify)
if ($optimize_level == 1 && is_file($destfile)) {
foreach ($files as $f) {
if (@filemtime($f[0]) > @filemtime($destfile)) {
$needupdate = true;
break;
}
}
}
//check if need update
if (!$needupdate && is_file($destfile)) {
$fileversion = isset($filemap[$ext]) && isset($filemap[$ext][$file]) ? $filemap[$ext][$file] : 1;
$fileversion = $fileversion == 1 ? "" : "?v=" . $filemap[$ext][$file];
if ($optimize_level < 3) {
return T3Path::url($cache_path) . '/' . $filename . $fileversion;
} else {
$url = "jat3action=gzip&jat3type={$ext}&jat3file=" . urlencode($cache_path . '/' . $filename);
// Fix when enable languagefilter plugin
$url = self::buildURL($url);
return $url;
}
}
//get files content
$content = '';
foreach ($files as $f) {
$media = count($f) > 2 ? trim($f[2]['media']) : "";
if ($ext == 'css') {
if ($optimize_level == 1) {
$content .= "@import url(\"{$f[1]}\") {$media};\n";
} elseif (!empty($media)) {
$content .= "/* " . substr(basename($f[0]), 33) . " */\n" . "@media " . $f[2]['media'] . " {\n" . @JFile::read($f[0]) . "\n}\n\n";
} else {
$content .= "/* " . substr(basename($f[0]), 33) . " */\n" . @JFile::read($f[0]) . "\n\n";
}
} else {
$content .= "/* " . basename($f[0]) . " */\n" . @JFile::read($f[0]) . ";\n\n";
}
}
if (!isset($filemap[$ext])) {
$filemap[$ext] = array();
}
if (!isset($filemap[$ext][$file])) {
$filemap[$ext][$file] = 0;
//store file version
}
//update file version
$filemap[$ext][$file] = $filemap[$ext][$file] + 1;
$fileversion = $filemap[$ext][$file] == 1 ? "" : "?v=" . $filemap[$ext][$file];
//update datafile
$filemapdata = '<?php $filemap = ' . var_export($filemap, true) . '; ?>';
@JFile::write($datafile, $filemapdata);
//create new file
if (!@JFile::write($destfile, $content)) {
return false;
// Cannot create file
}
//return result
//check if need compress
if ($optimize_level == 3) {
//compress
$url = "jat3action=gzip&jat3type={$ext}&jat3file=" . urlencode($cache_path . '/' . $filename);
// Fix when enable languagefilter plugin
$url = self::buildURL($url);
return $url;
}
return T3Path::url($cache_path) . '/' . $filename . $fileversion;
}
function isRTL()
{
$doc =& JFactory::getDocument();
$params =& T3Parameter::getInstance();
return $doc->direction == 'rtl' || $params->getParam('direction', 'ltr') == 'rtl';
}
function getPageKey()
{
static $key = null;
if ($key) {
return $key;
}
$t3cache = T3Cache::getInstance();
if ($t3cache->_devmode) {
return null;
}
//no cache in devmode
$mainframe =& JFactory::getApplication();
$messages = $mainframe->getMessageQueue();
// Ignore cache when there're some message
if (is_array($messages) && count($messages)) {
$key = null;
return null;
}
$user =& JFactory::getUser();
if ($user->get('aid') || $_SERVER['REQUEST_METHOD'] != 'GET') {
$key = null;
return null;
//no cache for page
}
$string = 'page';
$uri = JRequest::getURI();
//t3import ('core.libs.Browser');
//$browser = new Browser();
//$string .= $browser->getBrowser().":".$browser->getVersion();
$browser = T3Common::getBrowserSortName() . "-" . T3Common::getBrowserMajorVersion();
$params = T3Parameter::getInstance();
$cparams = '';
foreach ($params->_params_cookie as $k => $v) {
$cparams .= $k . "=" . $v . '&';
}
$string = "page - URI: {$uri}; Browser: {$browser}; Params: {$cparams}";
$key = md5($string);
//Insert into cache db
/*
$query = "insert `#__t3_cache` (`key`, `raw`, `uri`, `browser`, `params`, `counter`) values('$key', '$string', '$uri', '$browser', '$cparams', 1) ON DUPLICATE KEY UPDATE `counter`=`counter`+1;";
$db =& JFactory::getDBO();
@$db->setQuery( $query );
@$db->query();
*/
return $key;
}
function getKey($name, $level = 10)
{
//$uri = JURI::getInstance();
//$string = $uri->getQuery();
$string = $name;
if ($level > 0) {
$string .= JRequest::getURI();
}
if ($level > 1) {
$params = T3Parameter::getInstance();
$string .= T3_TOOL_THEMES . "=" . $params->getParam(T3_TOOL_THEMES);
$string .= T3_TOOL_LAYOUTS . "=" . $params->getParam(T3_TOOL_LAYOUTS);
}
if ($level > 2) {
t3import('core.libs.Browser');
$browser = new Browser();
$string .= $browser->getBrowser() . ":" . $browser->getVersion();
}
if ($level > 3) {
$params = T3Parameter::getInstance();
foreach ($params->_params_cookie as $k => $v) {
$string .= $k . "=" . $v;
}
}
return md5($string);
}
