public function generateCSSFile()
{
/*if (!is_file(dirname(__FILE__).'/cache/stylesheet.php')) {*/
$css = $this->generateCSS();
include_once dirname(__FILE__) . '/classes/minify.php';
$minifyCCS = new MinifyCSS($css);
$minifyCCS->minify(dirname(__FILE__) . '/cache/stylesheet.php', $stripComments = true, $stripWhitespace = true, $shortenHex = true, $combineImports = true, $importFiles = true);
/*}*/
return DIR_WS_HTTP_CATALOG . DIR_WS_MODULES . 'checkout/cache/stylesheet.php';
}
/**
* Minify a CSS-file
*
* @param string $file The file to be minified.
* @return string
*/
private function minifyCSS($file)
{
// create unique filename
$fileName = md5($file) . '.css';
$finalURL = FRONTEND_CACHE_URL . '/minified_css/' . $fileName;
$finalPath = FRONTEND_CACHE_PATH . '/minified_css/' . $fileName;
// check that file does not yet exist or has been updated already
if (!SpoonFile::exists($finalPath) || filemtime(PATH_WWW . $file) > filemtime($finalPath)) {
// create directory if it does not exist
if (!SpoonDirectory::exists(dirname($finalPath))) {
SpoonDirectory::create(dirname($finalPath));
}
// minify the file
require_once PATH_LIBRARY . '/external/minify.php';
$css = new MinifyCSS(PATH_WWW . $file);
$css->minify($finalPath);
}
return $finalURL;
}