public function generateCSS(\PageModel $objPage, \LayoutModel $objLayout, \PageRegular $objPageRegular)
{
$db = \Database::getInstance();
$lessFolder = 'assets/css';
$options = array('compress' => true, 'cache_dir' => TL_ROOT . '/' . $lessFolder);
$objFiles = unserialize($objLayout->external_css);
if (!$objFiles || !is_array($objFiles)) {
return;
}
$objFiles = $db->query("SELECT * FROM tl_external_css WHERE id IN(" . implode(',', $objFiles) . ") ORDER BY sorting")->fetchAllAssoc();
$arrFiles = array();
if ($objFiles) {
foreach ($objFiles as $file) {
if ($file['type'] == 'url' && $file['url']) {
$GLOBALS['TL_HEAD'][] = \Template::generateStyleTag($file['url'], '', false);
}
if ($file['type'] == 'file') {
$obj = \FilesModel::findByUuid($file['file']);
if ($obj) {
$arrFiles[] = $obj->path;
} else {
if (is_file($file['file'])) {
$arrFiles[] = $file['file'];
}
}
}
}
}
if (isset($GLOBALS['TL_HOOKS']['addExternalCssFiles']) && is_array($GLOBALS['TL_HOOKS']['addExternalCssFiles'])) {
foreach ($GLOBALS['TL_HOOKS']['addExternalCssFiles'] as $callback) {
$this->import($callback[0]);
$arrFiles = $this->{$callback}[0]->{$callback}[1]($arrFiles);
}
}
if ($arrFiles) {
$tmpFiles = array();
foreach ($arrFiles as $file) {
if (is_readable($file)) {
$tmpFiles[TL_ROOT . '/' . $file] = '/' . dirname($file);
}
}
} else {
return;
}
$variables = array();
$arrVars = array();
$objTheme = \ThemeModel::findByPk($objLayout->pid);
if ($objTheme->vars) {
$arrVars = deserialize($objTheme->vars);
foreach ($arrVars as $var) {
$k = preg_replace('/\\$/', '@', $var['key'], 1);
if ($k[0] != '@') {
$k = '@' . $k;
}
$variables[$k] = $var['value'];
}
}
if (isset($GLOBALS['TL_HOOKS']['addExternalCssVariables']) && is_array($GLOBALS['TL_HOOKS']['addExternalCssVariables'])) {
foreach ($GLOBALS['TL_HOOKS']['addExternalCssVariables'] as $callback) {
$this->import($callback[0]);
$variables = $this->{$callback}[0]->{$callback}[1]($variables);
}
}
$arrFiles = $tmpFiles;
if ($_COOKIE['BE_USER_AUTH']) {
$DB = \Database::getInstance();
$Session = $DB->prepare('SELECT pid FROM tl_session WHERE name="BE_USER_AUTH" AND hash=?')->limit(1)->execute($_COOKIE['BE_USER_AUTH']);
$User = \Database::getInstance()->prepare('SELECT external_css_livereload FROM tl_user WHERE id=?')->execute($Session->pid)->fetchAssoc();
if ($User['external_css_livereload']) {
$arrParsed = array();
$strFiles = '';
$strAjaxFiles = array();
foreach ($arrFiles as $file => $path) {
$reloadFile = false;
$parser = new \Less_Parser();
$parser->parseFile($file, $path);
$css = $parser->getCss();
$filename = str_replace('.less', '.css', basename($file));
$path = $lessFolder . '/' . $filename;
$oldCss = '';
if (is_file($path)) {
$oldCss = file_get_contents($path);
if ($oldCss != $css) {
file_put_contents($path, $css);
$reloadFile = true;
}
} else {
file_put_contents($path, $css);
}
$filetime = filemtime($path);
$fileClass = 'external_css_' . standardize($filename);
$fileSRC = '<link class="' . $fileClass . '" rel="stylesheet" href="' . $path . '?v=' . $filetime . '" />';
$strFiles .= $fileSRC;
if ($reloadFile) {
$strAjaxFiles[] = array('class' => $fileClass, 'src' => $fileSRC, 'path' => $path . '?v=' . $filetime);
}
}
if (\Input::get('action') == 'getLiveCSS') {
echo json_encode(array('files' => $strAjaxFiles));
die;
}
$GLOBALS['TL_HEAD'][] = $strFiles;
$GLOBALS['TL_JQUERY'][] = '<script src="system/modules/external_css/assets/j/livereload.js"></script>';
return;
}
}
$file = \Less_Cache::Get($arrFiles, $options, $variables);
if (!$file) {
return;
}
$filePath = $lessFolder . '/' . $file;
$imgs = array();
$strCss = file_get_contents($filePath);
$re = '/url\\(\\s*[\'"]?(\\S*\\.(?:jpe?g|gif|png))[\'"]?\\s*\\)[^;}]*?/i';
if (preg_match_all($re, $strCss, $matches)) {
$imgs = $matches[1];
}
$embedFile = str_replace('.css', '_embed.css', $filePath);
if (!is_file($embedFile)) {
$arrParsed = array();
$strCss = file_get_contents($filePath);
foreach ($imgs as $img) {
$imgPath = TL_ROOT . $img;
if (in_array($img, $arrParsed)) {
continue;
}
if (is_file($imgPath)) {
$size = filesize($imgPath);
$mb = $size / 1048576;
if ($mb < 0.2) {
$ext = pathinfo($imgPath, PATHINFO_EXTENSION);
$b64 = file_get_contents($imgPath);
$b64 = base64_encode($b64);
$base64 = 'data:image/' . $ext . ';base64,' . $b64;
$strCss = str_replace($img, $base64, $strCss);
$arrParsed[] = $img;
}
}
}
file_put_contents($embedFile, $strCss);
}
$filePath = $embedFile;
$GLOBALS['TL_HEAD'][] = \Template::generateStyleTag(\Controller::addStaticUrlTo($filePath), '', false);
}
