public static function optimizecss($tpl)
{
$outputpath = JPATH_ROOT . '/' . $tpl->getParam('t3-assets', 't3-assets') . '/css';
$outputurl = JURI::root(true) . '/' . $tpl->getParam('t3-assets', 't3-assets') . '/css';
if (!JFile::exists($outputpath)){
JFolder::create($outputpath);
@chmod($outputpath, 0755);
}
if (!is_writeable($outputpath)) {
return false;
}
$doc = JFactory::getDocument();
//======================= Group css ================= //
$cssgroups = array();
$stylesheets = array();
$ielimit = 4095;
$selcounts = 0;
$regex = '/\{.+?\}|,/s'; //selector counter
$csspath = '';
foreach ($doc->_styleSheets as $url => $stylesheet) {
$url = self::fixUrl($url);
if ($stylesheet['mime'] == 'text/css' && ($csspath = self::cssPath($url))) {
$stylesheet['path'] = $csspath;
$stylesheet['data'] = JFile::read($csspath);
$selcount = preg_match_all($regex, $stylesheet['data'], $matched);
if(!$selcount) {
$selcount = 1; //just for sure
}
//if we found an @import rule or reach IE limit css selector count, break into the new group
if (preg_match('#@import\s+.+#', $stylesheet['data']) || $selcounts + $selcount >= $ielimit) {
if(count($stylesheets)){
$cssgroup = array();
$groupname = array();
foreach ( $stylesheets as $gurl => $gsheet ) {
$cssgroup[$gurl] = $gsheet;
$groupname[] = $gurl;
}
$cssgroup['groupname'] = implode('', $groupname);
$cssgroups[] = $cssgroup;
}
$stylesheets = array($url => $stylesheet); // empty - begin a new group
$selcounts = $selcount;
} else {
$stylesheets[$url] = $stylesheet;
$selcounts += $selcount;
}
} else {
// first get all the stylsheets up to this point, and get them into
// the items array
if(count($stylesheets)){
$cssgroup = array();
$groupname = array();
foreach ( $stylesheets as $gurl => $gsheet ) {
$cssgroup[$gurl] = $gsheet;
$groupname[] = $gurl;
}
$cssgroup['groupname'] = implode('', $groupname);
$cssgroups[] = $cssgroup;
}
//mark ignore current stylesheet
$cssgroup = array($url => $stylesheet, 'ignore' => true);
$cssgroups[] = $cssgroup;
$stylesheets = array(); // empty - begin a new group
}
}
if(count($stylesheets)){
$cssgroup = array();
$groupname = array();
foreach ( $stylesheets as $gurl => $gsheet ) {
$cssgroup[$gurl] = $gsheet;
$groupname[] = $gurl;
}
$cssgroup['groupname'] = implode('', $groupname);
$cssgroups[] = $cssgroup;
}
//======================= Group css ================= //
$output = array();
foreach ($cssgroups as $cssgroup) {
if(isset($cssgroup['ignore'])){
unset($cssgroup['ignore']);
foreach ($cssgroup as $furl => $fsheet) {
$output[$furl] = $fsheet;
}
} else {
$groupname = 'css-' . substr(md5($cssgroup['groupname']), 0, 5) . '.css';
$groupfile = $outputpath . '/' . $groupname;
$grouptime = JFile::exists($groupfile) ? @filemtime($groupfile) : -1;
$rebuild = $grouptime < 0; //filemtime == -1 => rebuild
unset($cssgroup['groupname']);
foreach ($cssgroup as $furl => $fsheet) {
if(!$rebuild && @filemtime($fsheet['path']) > $grouptime){
$rebuild = true;
}
}
if($rebuild){
$cssdata = array();
foreach ($cssgroup as $furl => $fsheet) {
$cssdata[] = "\n\n/*===============================";
$cssdata[] = $furl;
$cssdata[] = "================================================================================*/";
$cssmin = Minify_CSS_Compressor::process($fsheet['data']);
$cssmin = T3Path::updateUrl($cssmin, T3Path::relativePath($outputurl, dirname($furl)));
$cssdata[] = $cssmin;
}
$cssdata = implode("\n", $cssdata);
JFile::write($groupfile, $cssdata);
@chmod($groupfile, 0644);
}
$output[$outputurl . '/' . $groupname] = array(
'mime' => 'text/css',
'media' => null,
'attribs' => array()
);
}
}
//apply the change make change
$doc->_styleSheets = $output;
}
function compileCss($path, $topath = '')
{
$app = JFactory::getApplication();
$theme = $app->getUserState('vars_theme');
$realpath = realpath(JPATH_ROOT . '/' . $path);
// check path
if (!is_file($realpath)) {
//if (!JPath::check ($realpath)){
return;
}
// Get file content
$content = JFile::read($realpath);
// remove comments
$content = preg_replace('!/\\*[^*]*\\*+([^/][^*]*\\*+)*/!', '', $content);
// split into array, separated by the import
$arr = preg_split('#^\\s*@import\\s+"([^"]*)"\\s*;#im', $content, -1, PREG_SPLIT_DELIM_CAPTURE);
// check and add theme less if not is theme less
if ($theme && !preg_match('#themes/#', $path)) {
$themepath = 'themes/' . $theme . '/' . basename($path);
if (is_file(T3_TEMPLATE_PATH . '/less/' . $themepath)) {
$arr[] = $themepath;
$arr[] = '';
}
}
// variables & mixin
$vars = $this->getVars();
// add vars
//$this->setImportDir (array(dirname($realpath), T3_TEMPLATE_PATH.'/less/'));
$importdirs = array();
// compile chuck
$import = false;
$output = '';
foreach ($arr as $s) {
if ($import) {
$import = false;
if ($s == 'vars.less') {
continue;
}
// process import file
$url = T3Path::cleanPath(dirname($path) . '/' . $s);
$importcontent = JFile::read(JPATH_ROOT . '/' . $url);
if (preg_match('#^\\s*@import\\s+"([^"]*)"\\s*;#im', $importcontent)) {
$importdirs[] = dirname(JPATH_ROOT . '/' . $url);
}
$output .= "#less-file-path{content: \"{$url}\";}\n" . $importcontent . "\n\n";
} else {
$import = true;
$s = trim($s);
if ($s) {
$output .= "#less-file-path{content: \"{$path}\";}\n" . $s . "\n\n";
}
}
}
$importdirs[] = dirname($realpath);
$importdirs[] = T3_TEMPLATE_PATH . '/less/';
$this->setImportDir($importdirs);
$output = $this->compile($vars . "\n" . $output);
$arr = preg_split('#^\\s*\\#less-file-path\\s*{\\s*[\\r\\n]*\\s*content:\\s*"([^"]*)";\\s*[\\r\\n]*\\s*}#im', $output, -1, PREG_SPLIT_DELIM_CAPTURE);
$output = '';
$file = '';
$isfile = false;
foreach ($arr as $s) {
if ($isfile) {
$isfile = false;
$file = $s;
$relpath = $topath ? T3Path::relativePath(dirname($topath), dirname($file)) : JURI::base(true) . '/' . dirname($file);
} else {
$output .= ($file ? T3Path::updateUrl($s, $relpath) : $s) . "\n\n";
$isfile = true;
}
}
// remove the dupliate clearfix at the beggining if not bootstrap.css file
if (!preg_match('#bootstrap.less#', $path)) {
$arr = preg_split('/[\\r?\\n]{2,}/', $output);
// ignore first one, it's clearfix
array_shift($arr);
$output = implode("\n", $arr);
}
if ($topath) {
$tofile = JPATH_ROOT . '/' . $topath;
if (!is_dir(dirname($tofile))) {
JFolder::create(dirname($tofile));
}
$ret = JFile::write($tofile, $output);
@chmod($tofile, 0644);
return $ret;
}
return $output;
}
/**
* Parse a less file to get all its overrides before compile
* @param string $path the less file
*/
public static function parse($path)
{
$rtpl_check = '@' . preg_quote(T3_TEMPLATE_REL, '@') . '/@i';
$rtpl_less_check = '@' . preg_quote(T3_TEMPLATE_REL, '@') . '/less/@i';
$app = JFactory::getApplication();
$theme = $app->getUserState('current_theme');
$dir = $app->getUserState('current_direction');
$is_rtl = $dir == 'rtl';
$rel_path = preg_replace($rtpl_check, '', $path);
$rel_dir = dirname($rel_path);
// check path
$realpath = realpath(JPATH_ROOT . '/' . $path);
if (!is_file($realpath)) {
return false;
}
// get file content
$content = file_get_contents($realpath);
//remove vars.less
$content = preg_replace(self::$rimportvars, '', $content);
// split into array, separated by the import
$arr = preg_split(self::$rimport, $content, -1, PREG_SPLIT_DELIM_CAPTURE);
$arr[] = basename($rel_path);
$arr[] = '';
$list = array();
$rtl_list = array();
$list[$path] = '';
$import = false;
foreach ($arr as $chunk) {
if ($import) {
$import = false;
$import_url = T3Path::cleanPath(T3_TEMPLATE_REL . '/' . $rel_dir . '/' . $chunk);
// if $url in less folder, get all its overrides
if (preg_match($rtpl_less_check, $import_url)) {
$less_rel_url = preg_replace($rtpl_less_check, '', $import_url);
$array = T3Path::getAllPath('less/' . $less_rel_url, true);
if ($theme) {
$array = array_merge($array, T3Path::getAllPath('less/themes/' . $theme . '/' . $less_rel_url, true));
}
foreach ($array as $f) {
// add file in template only
if (preg_match($rtpl_check, $f)) {
$list[$f] = T3Path::relativePath(dirname($path), $f);
}
}
// rtl overrides
if ($is_rtl) {
$array = T3Path::getAllPath('less/rtl/' . $less_rel_url, true);
if ($theme) {
$array = array_merge($array, T3Path::getAllPath('less/rtl/themes/' . $theme . '/' . $less_rel_url, true));
}
foreach ($array as $f) {
// add file in template only
if (preg_match($rtpl_check, $f)) {
$rtl_list[$f] = T3Path::relativePath(dirname($path), $f);
}
}
}
} else {
$list[$import_url] = T3Path::cleanPath($chunk);
// rtl override
if ($is_rtl) {
$rtl_url = preg_replace('/\\/less\\//', '/less/rtl/', $import_url);
if (is_file(JPATH_ROOT . '/' . $rtl_url)) {
$rtl_list[$rtl_url] = T3Path::relativePath(dirname($path), $rtl_url);
}
}
}
} else {
$import = true;
$list[$chunk] = false;
}
}
// remove itself
unset($list[$path]);
// join rtl
if ($is_rtl) {
$list["\n\n#" . self::$krtlsep . "{content: \"separator\";}\n\n"] = false;
$list = array_merge($list, $rtl_list);
}
return $list;
}
/**
*
* Show thememagic form
*/
public static function thememagic($path)
{
$app = JFactory::getApplication();
$input = $app->input;
$isadmin = $app->isAdmin();
if ($isadmin) {
$tplparams = T3::getTplParams();
} else {
$tplparams = $app->getTemplate(true)->params;
}
$url = $isadmin ? JUri::root(true) . '/index.php' : JUri::current();
$url .= (preg_match('/\\?/', $url) ? '&' : '?') . 'themer=1';
$url .= $tplparams->get('theme', -1) != -1 ? '&t3style=' . $tplparams->get('theme') : '';
if ($isadmin) {
$url .= '&t3tmid=' . $input->getCmd('id');
}
$assetspath = T3_TEMPLATE_PATH;
$themepath = $assetspath . '/less/themes';
if (!class_exists('JRegistryFormatLESS')) {
include_once T3_ADMIN_PATH . '/includes/format/less.php';
}
$themes = array();
$jsondata = array();
//push a default theme
$tobj = new stdClass();
$tobj->id = 'base';
$tobj->title = JText::_('JDEFAULT');
$themes['base'] = $tobj;
$varfile = $assetspath . '/less/variables.less';
if (file_exists($varfile)) {
$params = new JRegistry();
$params->loadString(JFile::read($varfile), 'LESS');
$jsondata['base'] = $params->toArray();
}
// if (JFolder::exists($themepath)) {
foreach (T3Path::getAllPath('/less/themes') as $themepath) {
$listthemes = JFolder::folders($themepath);
if (count($listthemes)) {
foreach ($listthemes as $theme) {
//$varsfile = $themepath . '/' . $theme . '/variables-custom.less';
//if(file_exists($varsfile)){
$tobj = new stdClass();
$tobj->id = $theme;
$tobj->title = $theme;
//check for all less file in theme folder
$params = false;
$others = JFolder::files($themepath . '/' . $theme, '.less', false, true);
foreach ($others as $other) {
$otherrel = T3Path::relativePath('less/', str_replace(T3_TEMPLATE_PATH . '/', '', $other));
//get those developer custom values
if ($other == 'variables.less') {
$params = new JRegistry();
$params->loadString(JFile::read($themepath . '/' . $theme . '/variables.less'), 'LESS');
}
if ($other != 'variables-custom.less') {
$tobj->{$other} = $otherrel;
}
}
$cparams = new JRegistry();
$varsfile = $themepath . '/' . $theme . '/variables.less';
if (file_exists($varsfile)) {
$cparams->loadString(JFile::read($varsfile), 'LESS');
}
$varsfile = $themepath . '/' . $theme . '/variables-custom.less';
if (file_exists($varsfile)) {
$cparams->loadString(JFile::read($varsfile), 'LESS');
}
if ($params) {
foreach ($cparams->toArray() as $key => $value) {
$params->set($key, $value);
}
} else {
$params = $cparams;
}
$themes[$theme] = $tobj;
$jsondata[$theme] = $params->toArray();
//}
}
}
}
// get active theme
$active_theme = $tplparams->get('theme', 'base');
if (!isset($themes[$active_theme])) {
$active_theme = 'base';
}
$langs = array('addTheme' => JText::_('T3_TM_ASK_ADD_THEME'), 'delTheme' => JText::_('T3_TM_ASK_DEL_THEME'), 'overwriteTheme' => JText::_('T3_TM_ASK_OVERWRITE_THEME'), 'correctName' => JText::_('T3_TM_ASK_CORRECT_NAME'), 'themeExist' => JText::_('T3_TM_EXISTED'), 'saveChange' => JText::_('T3_TM_ASK_SAVE_CHANGED'), 'previewError' => JText::_('T3_TM_PREVIEW_ERROR'), 'unknownError' => JText::_('T3_MSG_UNKNOWN_ERROR'), 'lblCancel' => JText::_('JCANCEL'), 'lblOk' => JText::_('T3_TM_LABEL_OK'), 'lblNo' => JText::_('JNO'), 'lblYes' => JText::_('JYES'), 'lblDefault' => JText::_('JDEFAULT'));
//Keepalive
$config = JFactory::getConfig();
$lifetime = $config->get('lifetime') * 60000;
$refreshTime = $lifetime <= 60000 ? 30000 : $lifetime - 60000;
// Refresh time is 1 minute less than the liftime assined in the configuration.php file.
// The longest refresh period is one hour to prevent integer overflow.
if ($refreshTime > 3600000 || $refreshTime <= 0) {
$refreshTime = 3600000;
}
$backurl = JFactory::getURI();
$backurl->delVar('t3action');
$backurl->delVar('t3task');
if (!$isadmin) {
$backurl->delVar('tm');
$backurl->delVar('themer');
}
T3::import('depend/t3form');
$form = new T3Form('thememagic.themer', array('control' => 't3form'));
$form->load(JFile::read(JFile::exists(T3_TEMPLATE_PATH . '/thememagic.xml') ? T3_TEMPLATE_PATH . '/thememagic.xml' : T3_PATH . '/params/thememagic.xml'));
$form->loadFile(T3_TEMPLATE_PATH . '/templateDetails.xml', true, '//config');
$tplform = new T3Form('thememagic.overwrite', array('control' => 't3form'));
$tplform->loadFile(T3_TEMPLATE_PATH . '/templateDetails.xml', true, '//config');
$fieldSets = $form->getFieldsets('thememagic');
$tplFieldSets = $tplform->getFieldsets('thememagic');
$disabledFieldSets = array();
foreach ($tplFieldSets as $name => $fieldSet) {
if (isset($fieldSet->disabled)) {
$disabledFieldSets[] = $name;
}
}
include T3_ADMIN_PATH . '/admin/thememagic/thememagic.tpl.php';
exit;
}
/**
* Special compilation for template.css file when development mode is on
* @param $path
* @return bool
*/
public static function divide($path)
{
//check system
self::requirement();
$parser = new Less_Parser();
$app = JFactory::getApplication();
$doc = JFactory::getDocument();
$tpl = T3_TEMPLATE;
$theme = $app->getTemplate(true)->params->get('theme');
$is_rtl = $doc->direction == 'rtl' && strpos($path, 'rtl/') === false;
$subdir = ($is_rtl ? 'rtl/' : '') . ($theme ? $theme . '/' : '');
$topath = T3_DEV_FOLDER . '/' . $subdir;
$tofile = null;
$root = JUri::root(true);
//pattern
$rimport = '@^\\s*\\@import\\s+"([^"]*)"\\s*;@im';
$rvarscheck = '@(base|base-bs3|bootstrap|' . preg_quote($tpl) . ')/less/(vars|variables|mixins)\\.less@';
$rexcludepath = '@(base|base-bs3|bootstrap|' . preg_quote($tpl) . ')/less/@';
$rimportvars = '@^\\s*\\@import\\s+".*(variables-custom|variables|vars|mixins)\\.less"\\s*;@im';
$rsplitbegin = '@^\\s*\\#';
$rsplitend = '[^\\s]*?\\s*{\\s*[\\r\\n]*\\s*content:\\s*"([^"]*)";\\s*[\\r\\n]*\\s*}@im';
$rswitchrtl = '@/less/(themes/[^/]*/)?@';
$kfilepath = 'less-file-path';
$kvarsep = 'less-content-separator';
$krtlsep = 'rtl-less-content';
if ($topath) {
if (!is_dir(JPATH_ROOT . '/' . $topath)) {
JFolder::create(JPATH_ROOT . '/' . $topath);
}
}
// check path
$realpath = realpath(JPATH_ROOT . '/' . $path);
if (!is_file($realpath)) {
return;
}
// get file content
$content = JFile::read($realpath);
//remove vars.less
if (preg_match($rexcludepath, $path)) {
$content = preg_replace($rimportvars, '', $content);
}
// check and add theme less if not is theme less
if ($theme && strpos($path, 'themes/') === false) {
$themepath = 'themes/' . $theme . '/' . basename($path);
if (is_file(T3_TEMPLATE_PATH . '/less/' . $themepath)) {
$content = $content . "\n@import \"{$themepath}\"; \n\n";
}
}
// split into array, separated by the import
$split_contents = preg_split($rimport, $content, -1, PREG_SPLIT_DELIM_CAPTURE);
//check if we need to rebuild
$rebuild = false;
$vars_lm = $app->getUserState('vars_last_modified', 0);
$file_lm = @filemtime(JPATH_ROOT . '/' . $path);
//check for this file and rtl
$cssfile = $topath . str_replace('/', '.', $path) . '.css';
$css_lm = is_file(JPATH_ROOT . '/' . $cssfile) ? @filemtime(JPATH_ROOT . '/' . $cssfile) : -1;
//rebuild?
if ($css_lm < $vars_lm || $css_lm < $file_lm) {
$rebuild = true;
} else {
$doc->addStylesheet($root . '/' . $cssfile);
}
//check for rebuild if this rtl overwrite file has just modified
if (!$rebuild && $is_rtl) {
$rtl_url = preg_replace('@/less/(themes/)?@', '/less/rtl/', $path);
$rtl_lm = is_file(JPATH_ROOT . '/' . $rtl_url) ? @filemtime(JPATH_ROOT . '/' . $rtl_url) : 0;
$rebuild = $css_lm < $rtl_lm;
}
if (!$rebuild) {
$import = false;
foreach ($split_contents as $chunk) {
if ($import) {
$import = false;
$url = T3Path::cleanPath(dirname($path) . '/' . $chunk);
if (is_file(JPATH_ROOT . '/' . $url)) {
//$css_lm should be the same as templates.css
$file_lm = @filemtime(JPATH_ROOT . '/' . $url);
$theme_lm = -1;
$rtl_lm = -1;
$theme_rtl_lm = -1;
if ($theme && strpos($url, 'themes/') === false) {
$themepath = 'themes/' . $theme . '/' . basename($path);
if (is_file(T3_TEMPLATE_PATH . '/less/' . $themepath)) {
$theme_lm = @filemtime(T3_TEMPLATE_PATH . '/less/' . $themepath);
}
if ($is_rtl) {
$rtlthemepath = preg_replace($rswitchrtl, '/less/rtl/' . $theme . '/', $url);
if (is_file(JPATH_ROOT . '/' . $rtlthemepath)) {
$theme_rtl_lm = @filemtime(JPATH_ROOT . '/' . $rtlthemepath);
}
}
}
if ($is_rtl) {
$rtl_url = preg_replace('@/less/(themes/)?@', '/less/rtl/', $url);
if (is_file(JPATH_ROOT . '/' . $rtl_url)) {
$rtl_lm = @filemtime(JPATH_ROOT . '/' . $rtl_url);
}
}
if (!is_file(JPATH_ROOT . '/' . $cssfile) || $css_lm < $vars_lm || $css_lm < $file_lm || $css_lm < $theme_lm || $css_lm < $rtl_lm || $css_lm < $theme_rtl_lm) {
$rebuild = true;
// rebuild for sure
break;
//no need further check
} else {
$doc->addStylesheet($root . '/' . $topath . str_replace('/', '.', $url) . '.css');
}
}
} else {
$import = true;
}
}
}
// so, no need to rebuild?
if (!$rebuild) {
// add RTL css if needed
if ($is_rtl) {
$cssfile = $topath . str_replace('/', '.', str_replace('.less', '-rtl.less', $path)) . '.css';
if (is_file(JPATH_ROOT . '/' . $cssfile)) {
$doc->addStylesheet($root . '/' . $cssfile);
}
}
return false;
}
// variables & mixin
$vars = self::getVars();
$output = '';
$importdirs = array();
// iterate to each chunk and add separator mark
$import = false;
foreach ($split_contents as $chunk) {
if ($import) {
$import = false;
$url = T3Path::cleanPath(dirname($path) . '/' . $chunk);
// ignore vars.less and variables.less if they are in template folder
// cause there may have other css less file with the same name (eg. font awesome)
if (preg_match($rvarscheck, $url)) {
continue;
}
// remember this path when lookup for import
$importdirs[dirname(JPATH_ROOT . '/' . $url)] = $root . '/' . dirname($url) . '/';
$output .= "#{$kfilepath}{content: \"{$url}\";}\n@import \"{$chunk}\";\n\n";
// check and add theme less
if ($theme && strpos($url, 'themes/') === false) {
$theme_rel = 'themes/' . $theme . '/' . basename($url);
$theme_path = T3_TEMPLATE_PATH . '/less/' . $theme_rel;
if (is_file($theme_path)) {
$importdirs[dirname($theme_path)] = T3_TEMPLATE_URL . dirname($theme_rel) . '/';
$output .= "#{$kfilepath}{content: \"" . ('templates/' . T3_TEMPLATE . '/less/' . $theme_rel) . "\";}\n@import \"{$theme_rel}\";\n\n";
}
}
} else {
$import = true;
$chunk = trim($chunk);
if ($chunk) {
$output .= "#{$kfilepath}{content: \"{$path}\";}\n{$chunk}\n\n";
}
}
}
// compile RTL overwrite when in RTL mode
if ($is_rtl) {
$rtlcontent = '';
// import rtl override
$import = false;
foreach ($split_contents as $chunk) {
if ($import) {
$import = false;
$url = T3Path::cleanPath(dirname($path) . '/' . $chunk);
// ignore vars.less and variables.less if they are in template folder
// cause there may have other css less file with the same name (eg. font awesome)
if (preg_match($rvarscheck, $url)) {
continue;
}
// process import file
$rtl_url = preg_replace('@/less/(themes/)?@', '/less/rtl/', $url);
// is there overwrite file?
if (!is_file(JPATH_ROOT . '/' . $rtl_url)) {
continue;
}
// process import file
$importcontent = JFile::read(JPATH_ROOT . '/' . $rtl_url);
if (preg_match($rexcludepath, $rtl_url)) {
$importcontent = preg_replace($rimportvars, '', $importcontent);
}
// remember this path when lookup for import
if (preg_match($rimport, $importcontent)) {
$importdirs[dirname(JPATH_ROOT . '/' . $rtl_url)] = $root . '/' . dirname($rtl_url) . '/';
}
$rtlcontent .= "\n{$importcontent}\n\n";
// rtl theme overwrite
if ($theme && strpos($url, 'themes/') === false) {
$rtlthemepath = preg_replace($rswitchrtl, '/less/rtl/' . $theme . '/', $url);
if (is_file(JPATH_ROOT . '/' . $rtlthemepath)) {
// process import file
$importcontent = JFile::read(JPATH_ROOT . '/' . $rtlthemepath);
$rtlcontent .= "\n{$importcontent}\n\n";
$importdirs[dirname(JPATH_ROOT . '/' . $rtlthemepath)] = $root . '/' . dirname($rtlthemepath) . '/';
}
}
} else {
$import = true;
}
}
// override in template for this file
$rtlpath = preg_replace($rswitchrtl, '/less/rtl/', $path);
if (is_file(JPATH_ROOT . '/' . $rtlpath)) {
// process import file
$importcontent = JFile::read(JPATH_ROOT . '/' . $rtlpath);
$rtlcontent .= "\n{$importcontent}\n\n";
$importdirs[dirname(JPATH_ROOT . '/' . $rtlpath)] = $root . '/' . dirname($rtlpath) . '/';
}
// rtl theme
if ($theme) {
$rtlthemepath = preg_replace($rswitchrtl, '/less/rtl/' . $theme . '/', $path);
if (is_file(JPATH_ROOT . '/' . $rtlthemepath)) {
// process import file
$importcontent = JFile::read(JPATH_ROOT . '/' . $rtlthemepath);
$rtlcontent .= "\n{$importcontent}\n\n";
$importdirs[dirname(JPATH_ROOT . '/' . $rtlthemepath)] = $root . '/' . dirname($rtlthemepath) . '/';
}
}
if ($rtlcontent) {
//rtl content will be treat as a new file
$rtlfile = str_replace('.less', '-rtl.less', $path);
$output = $output . "\n#{$kfilepath}{content: \"{$rtlfile}\";}\n\n#{$krtlsep}{content: \"separator\";}\n\n{$rtlcontent}\n\n";
}
}
// common place
$importdirs[T3_TEMPLATE_PATH . '/less'] = T3_TEMPLATE_URL . '/less/';
// myself
$importdirs[dirname(JPATH_ROOT . '/' . $path)] = $root . '/' . dirname($path) . '/';
// compile less to css using lessphp
$parser->SetImportDirs($importdirs);
$parser->SetFileInfo(JPATH_ROOT . '/' . $path, $root . '/' . dirname($path) . '/');
$source = $vars . "\n#{$kvarsep}{content: \"separator\";}\n" . $output;
$parser->parse($source);
$output = $parser->getCss();
//use cssjanus to transform the content
if ($is_rtl) {
if ($rtlcontent) {
$output = preg_split($rsplitbegin . $krtlsep . $rsplitend, $output, -1, PREG_SPLIT_DELIM_CAPTURE);
$rtlcontent = isset($output[2]) ? $output[2] : false;
$output = $output[0];
}
T3::import('jacssjanus/ja.cssjanus');
$output = JACSSJanus::transform($output, true);
if ($rtlcontent) {
$output = $output . "\n" . $rtlcontent;
}
}
//update path and store to files
$split_contents = preg_split($rsplitbegin . $kfilepath . $rsplitend, $output, -1, PREG_SPLIT_DELIM_CAPTURE);
$file_contents = array();
$file = $path;
//default
$relpath = JURI::base(true) . '/' . dirname($file);
$isfile = false;
foreach ($split_contents as $chunk) {
if ($isfile) {
$isfile = false;
$file = $chunk;
$relpath = $topath ? T3Path::relativePath($topath, dirname($file)) : JURI::base(true) . '/' . dirname($file);
} else {
$file_contents[$file] = (isset($file_contents[$file]) ? $file_contents[$file] : '') . "\n" . ($file ? T3Path::updateUrl($chunk, $relpath) : $chunk) . "\n\n";
$isfile = true;
}
}
if (!empty($file_contents)) {
// remove the duplicate clearfix at the beginning
$split_contents = preg_split($rsplitbegin . $kvarsep . $rsplitend, reset($file_contents));
// ignore first one, it's clearfix
if (is_array($split_contents)) {
array_shift($split_contents);
}
$file_contents[key($file_contents)] = implode("\n", $split_contents);
//output the file to content and add to document
foreach ($file_contents as $file => $content) {
$cssfile = $topath . str_replace('/', '.', $file) . '.css';
JFile::write(JPATH_ROOT . '/' . $cssfile, $content);
$doc->addStylesheet($root . '/' . $cssfile);
}
}
}
function compileCss($path, $topath = '')
{
$app = JFactory::getApplication();
$tpl = T3_TEMPLATE;
$theme = $app->getUserState('vars_theme');
$tofile = null;
//pattern
$rcomment = '@/\\*[^*]*\\*+([^/][^*]*\\*+)*/@';
$rspace = '@[\\r?\\n]{2,}@';
$rimport = '@^\\s*\\@import\\s+"([^"]*)"\\s*;@im';
$rvarscheck = '@(base|bootstrap|' . preg_quote($tpl) . ')/less/(vars|variables|mixins)\\.less@';
$rexcludepath = '@(base|bootstrap|' . preg_quote($tpl) . ')/less/@';
$rimportvars = '@^\\s*\\@import\\s+".*(variables-custom|variables|vars|mixins)\\.less"\\s*;@im';
$rsplitbegin = '@^\\s*\\#';
$rsplitend = '[^\\s]*?\\s*{\\s*[\\r\\n]*\\s*content:\\s*"([^"]*)";\\s*[\\r\\n]*\\s*}@im';
$kfilepath = 'less-file-path';
$kvarsep = 'less-content-separator';
$krtlsep = 'rtl-less-content';
if ($topath) {
$tofile = JPATH_ROOT . '/' . $topath;
if (!is_dir(dirname($tofile))) {
JFolder::create(dirname($tofile));
}
}
// check path
$realpath = realpath(JPATH_ROOT . '/' . $path);
if (!is_file($realpath)) {
return;
}
// get file content
$content = JFile::read($realpath);
// remove comments? - we should keep comment for rtl flip
//$content = preg_replace($rcomment, '', $content);
// split into array, separated by the import
$arr = preg_split($rimport, $content, -1, PREG_SPLIT_DELIM_CAPTURE);
// check and add theme less if not is theme less
if ($theme && strpos($path, 'themes/') === false) {
$themepath = 'themes/' . $theme . '/' . basename($path);
if (is_file(T3_TEMPLATE_PATH . '/less/' . $themepath)) {
$arr[] = $themepath;
$arr[] = '';
}
}
// variables & mixin
$vars = $this->getVars();
$importdirs = array();
// compile chunk
$import = false;
$output = '';
foreach ($arr as $s) {
if ($import) {
$import = false;
$url = T3Path::cleanPath(dirname($path) . '/' . $s);
// ignore vars.less and variables.less if they are in template folder
// cause there may have other css less file with the same name (eg. font awesome)
if (preg_match($rvarscheck, $url)) {
continue;
}
// process import file
$importcontent = JFile::read(JPATH_ROOT . '/' . $url);
if (preg_match($rexcludepath, $url)) {
$importcontent = preg_replace($rimportvars, '', $importcontent);
}
// remember this path when lookup for import
if (preg_match($rimport, $importcontent)) {
$importdirs[] = dirname(JPATH_ROOT . '/' . $url);
}
$output .= "#{$kfilepath}{content: \"{$url}\";}\n{$importcontent}\n\n";
} else {
$import = true;
$s = trim($s);
if ($s) {
$output .= "#{$kfilepath}{content: \"{$path}\";}\n{$s}\n\n";
}
}
}
$rtlcontent = '';
$is_rtl = $app->getUserState('DIRECTION') == 'rtl' && strpos($path, 'rtl/') === false;
// convert to RTL if using RTL
if ($is_rtl) {
// import rtl override
// check override for import
$import = false;
foreach ($arr as $s) {
if ($import) {
$import = false;
$url = T3Path::cleanPath(dirname($path) . '/' . $s);
// ignore vars.less and variables.less if they are in template folder
// cause there may have other css less file with the same name (eg. font awesome)
if (preg_match($rvarscheck, $url)) {
continue;
}
// process import file
$url = preg_replace('/\\/less\\/(themes\\/)?/', '/less/rtl/', $url);
if (!is_file(JPATH_ROOT . '/' . $url)) {
continue;
}
// process import file
$importcontent = JFile::read(JPATH_ROOT . '/' . $url);
if (preg_match($rexcludepath, $url)) {
$importcontent = preg_replace($rimportvars, '', $importcontent);
}
// remember this path when lookup for import
if (preg_match($rimport, $importcontent)) {
$importdirs[] = dirname(JPATH_ROOT . '/' . $url);
}
$rtlcontent .= "#{$kfilepath}-rtl{content: \"{$url}\";}\n{$importcontent}\n\n";
} else {
$import = true;
}
}
// override in template for this file
$rtlpath = preg_replace('/\\/less\\/(themes\\/[^\\/]*\\/)?/', '/less/rtl/', $path);
if (is_file(JPATH_ROOT . '/' . $rtlpath)) {
// process import file
$importcontent = JFile::read(JPATH_ROOT . '/' . $rtlpath);
$rtlcontent .= "#{$kfilepath}-rtl{content: \"{$rtlpath}\";}\n{$importcontent}\n\n";
}
// rtl theme
if ($theme) {
$rtlthemepath = preg_replace('/\\/less\\/(themes\\/[^\\/]*\\/)?/', '/less/rtl/' . $theme . '/', $path);
if (is_file(JPATH_ROOT . '/' . $rtlthemepath)) {
// process import file
$importcontent = JFile::read(JPATH_ROOT . '/' . $rtlthemepath);
$rtlcontent .= "#{$kfilepath}-rtl{content: \"{$rtlthemepath}\";}\n{$importcontent}\n\n";
}
}
if ($rtlcontent) {
$output = $output . "#{$krtlsep}{content: \"separator\";}\n\n{$rtlcontent}\n\n";
}
}
$importdirs[] = dirname($realpath);
$importdirs[] = T3_TEMPLATE_PATH . '/less/';
$this->setImportDir($importdirs);
$this->setPreserveComments(true);
$source = $vars . "\n#{$kvarsep}{content: \"separator\";}\n" . $output;
// compile less to css using lessphp
$output = $this->compile($source);
$arr = preg_split($rsplitbegin . $kfilepath . $rsplitend, $output, -1, PREG_SPLIT_DELIM_CAPTURE);
$output = '';
$file = '';
$isfile = false;
foreach ($arr as $s) {
if ($isfile) {
$isfile = false;
$file = $s;
$relpath = $topath ? T3Path::relativePath(dirname($topath), dirname($file)) : JURI::base(true) . '/' . dirname($file);
} else {
$output .= ($file ? T3Path::updateUrl($s, $relpath) : $s) . "\n\n";
$isfile = true;
}
}
// remove the dupliate clearfix at the beggining if not bootstrap.css file
if (strpos($path, $tpl . '/less/bootstrap.less') === false) {
$arr = preg_split($rsplitbegin . $kvarsep . $rsplitend, $output);
// ignore first one, it's clearfix
if (is_array($arr)) {
array_shift($arr);
}
$output = implode("\n", $arr);
} else {
$output = preg_replace($rsplitbegin . $kvarsep . $rsplitend, '', $output);
}
if ($is_rtl) {
if ($rtlcontent) {
$output = preg_split($rsplitbegin . $krtlsep . $rsplitend, $output, -1, PREG_SPLIT_DELIM_CAPTURE);
$rtlcontent = isset($output[2]) ? $output[2] : false;
$output = $output[0];
}
T3::import('jacssjanus/ja.cssjanus');
$output = JACSSJanus::transform($output, true);
if ($rtlcontent) {
$output = $output . "\n" . $rtlcontent;
}
}
//remove comments and clean up
$output = preg_replace($rcomment, '', $output);
$output = preg_replace($rspace, "\n\n", $output);
if ($tofile) {
$ret = JFile::write($tofile, $output);
@chmod($tofile, 0644);
return $ret;
}
return $output;
}
/**
* @param $tpl template object
* @return bool optimize success or not
*/
public static function optimizecss($tpl)
{
$outputpath = JPATH_ROOT . '/' . $tpl->getParam('t3-assets', 't3-assets') . '/css';
$outputurl = JURI::root(true) . '/' . $tpl->getParam('t3-assets', 't3-assets') . '/css';
if (!JFile::exists($outputpath)) {
JFolder::create($outputpath);
@chmod($outputpath, 0755);
}
if (!is_writeable($outputpath)) {
return false;
}
//prepare config
self::prepare($tpl);
$doc = JFactory::getDocument();
//======================= Group css ================= //
$mediagroup = array();
$cssgroups = array();
$stylesheets = array();
$ielimit = 4095;
$selcounts = 0;
$regex = '/\\{.+?\\}|,/s';
//selector counter
$csspath = '';
// group css into media
$mediagroup['all'] = array();
$mediagroup['screen'] = array();
foreach ($doc->_styleSheets as $url => $stylesheet) {
$media = $stylesheet['media'] ? $stylesheet['media'] : 'all';
if (empty($mediagroup[$media])) {
$mediagroup[$media] = array();
}
$mediagroup[$media][$url] = $stylesheet;
}
foreach ($mediagroup as $media => $group) {
$stylesheets = array();
// empty - begin a new group
foreach ($group as $url => $stylesheet) {
$url = self::fixUrl($url);
if ($stylesheet['mime'] == 'text/css' && ($csspath = self::cssPath($url))) {
$stylesheet['path'] = $csspath;
$stylesheet['data'] = file_get_contents($csspath);
$selcount = preg_match_all($regex, $stylesheet['data'], $matched);
if (!$selcount) {
$selcount = 1;
//just for sure
}
//if we found an @import rule or reach IE limit css selector count, break into the new group
if (preg_match('#@import\\s+.+#', $stylesheet['data']) || $selcounts + $selcount >= $ielimit) {
if (count($stylesheets)) {
$cssgroup = array();
$groupname = array();
$grouptime = 0;
foreach ($stylesheets as $gurl => $gsheet) {
$cssgroup[$gurl] = $gsheet;
$groupname[] = $gurl;
$ftime = @filemtime($gsheet['path']);
if ($ftime > $grouptime) {
$grouptime = $ftime;
}
}
$cssgroup['groupname'] = implode('', $groupname);
$cssgroup['grouptime'] = $grouptime;
$cssgroup['media'] = $media;
$cssgroups[] = $cssgroup;
}
$stylesheets = array($url => $stylesheet);
// empty - begin a new group
$selcounts = $selcount;
} else {
$stylesheets[$url] = $stylesheet;
$selcounts += $selcount;
}
} else {
// first get all the stylsheets up to this point, and get them into
// the items array
if (count($stylesheets)) {
$cssgroup = array();
$groupname = array();
$grouptime = 0;
foreach ($stylesheets as $gurl => $gsheet) {
$cssgroup[$gurl] = $gsheet;
$groupname[] = $gurl;
$ftime = @filemtime($gsheet['path']);
if ($ftime > $grouptime) {
$grouptime = $ftime;
}
}
$cssgroup['groupname'] = implode('', $groupname);
$cssgroup['grouptime'] = $grouptime;
$cssgroup['media'] = $media;
$cssgroups[] = $cssgroup;
}
//mark ignore current stylesheet
$cssgroup = array($url => $stylesheet, 'ignore' => true);
$cssgroups[] = $cssgroup;
$stylesheets = array();
// empty - begin a new group
}
}
if (count($stylesheets)) {
$cssgroup = array();
$groupname = array();
$grouptime = 0;
foreach ($stylesheets as $gurl => $gsheet) {
$cssgroup[$gurl] = $gsheet;
$groupname[] = $gurl;
$ftime = @filemtime($gsheet['path']);
if ($ftime > $grouptime) {
$grouptime = $ftime;
}
}
$cssgroup['groupname'] = implode('', $groupname);
$cssgroup['grouptime'] = $grouptime;
$cssgroup['media'] = $media;
$cssgroups[] = $cssgroup;
}
}
//======================= Group css ================= //
$output = array();
foreach ($cssgroups as $cssgroup) {
if (isset($cssgroup['ignore'])) {
unset($cssgroup['ignore']);
unset($cssgroup['groupname']);
unset($cssgroup['media']);
foreach ($cssgroup as $furl => $fsheet) {
$output[$furl] = $fsheet;
}
} else {
$rebuildCheck = self::checkRebuild($cssgroup, 'css', $outputpath);
$media = $cssgroup['media'];
unset($cssgroup['groupname']);
unset($cssgroup['grouptime']);
unset($cssgroup['media']);
$groupname = $rebuildCheck['filename'];
if ($rebuildCheck['rebuild']) {
$groupfile = $outputpath . '/' . $groupname;
$cssdata = array();
foreach ($cssgroup as $furl => $fsheet) {
$cssdata[] = "\n\n/*===============================";
$cssdata[] = $furl;
$cssdata[] = "================================================================================*/";
$cssmin = self::minifyCss($fsheet['data']);
$cssmin = T3Path::updateUrl($cssmin, T3Path::relativePath($outputurl, dirname($furl)));
$cssdata[] = $cssmin;
}
$cssdata = implode("\n", $cssdata);
if (!JFile::write($groupfile, $cssdata)) {
// cannot write file, ignore minify
return false;
}
$grouptime = @filemtime($groupfile);
@chmod($groupfile, 0644);
}
$output[$outputurl . '/' . $groupname] = array('mime' => 'text/css', 'media' => $media == 'all' ? NULL : $media, 'attribs' => array());
}
}
//apply the change make change
$doc->_styleSheets = $output;
}
