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StyleSheet.php
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StyleSheet.php
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<?php
/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
namespace Icinga\Web;
use Icinga\Application\Icinga;
use Icinga\Web\FileCache;
use Icinga\Web\LessCompiler;
class StyleSheet
{
protected static $lessFiles = array(
'../application/fonts/fontello-ifont/css/ifont-embedded.css',
'css/vendor/normalize.css',
'css/vendor/tipsy.css',
'css/icinga/themes/icinga.less',
'css/icinga/colors.less',
'css/icinga/badges.less',
'css/icinga/mixins.less',
'css/icinga/grid.less',
'css/icinga/base.less',
'css/icinga/nav.less',
'css/icinga/main.less',
'css/icinga/limiter.less',
'css/icinga/animation.less',
'css/icinga/layout-colors.less',
'css/icinga/layout-structure.less',
'css/icinga/menu.less',
'css/icinga/header-elements.less',
'css/icinga/footer-elements.less',
// 'css/icinga/main-content.less',
'css/icinga/tabs.less',
'css/icinga/forms.less',
'css/icinga/setup.less',
'css/icinga/widgets.less',
'css/icinga/pagination.less',
'css/icinga/selection-toolbar.less',
'css/icinga/login.less',
'css/icinga/controls.less',
'css/icinga/dev.less',
// 'css/icinga/logo.less',
'css/icinga/about.less'
);
public static function compileForPdf()
{
self::checkPhp();
$less = new LessCompiler();
$basedir = Icinga::app()->getBootstrapDirectory();
foreach (self::$lessFiles as $file) {
$less->addFile($basedir . '/' . $file);
}
$less->addLoadedModules();
$less->addFile($basedir . '/css/pdf/pdfprint.less');
return $less->compile();
}
public static function sendMinified()
{
self::send(true);
}
protected static function fixModuleLayoutCss($css)
{
return preg_replace(
'/(\.icinga-module\.module-[^\s]+) (#layout\.[^\s]+)/m',
'\2 \1',
$css
);
}
protected static function checkPhp()
{
// PHP had a rather conservative PCRE backtrack limit unless 5.3.7
if (version_compare(PHP_VERSION, '5.3.7') <= 0) {
ini_set('pcre.backtrack_limit', 1000000);
}
}
public static function send($minified = false)
{
self::checkPhp();
$app = Icinga::app();
$basedir = $app->getBootstrapDirectory();
foreach (self::$lessFiles as $file) {
$lessFiles[] = $basedir . '/' . $file;
}
$files = $lessFiles;
foreach ($app->getModuleManager()->getLoadedModules() as $name => $module) {
if ($module->hasCss()) {
foreach ($module->getCssFiles() as $path) {
if (file_exists($path)) {
$files[] = $path;
}
}
}
}
if ($etag = FileCache::etagMatchesFiles($files)) {
header("HTTP/1.1 304 Not Modified");
return;
} else {
$etag = FileCache::etagForFiles($files);
}
header('Cache-Control: public');
header('ETag: "' . $etag . '"');
header('Content-Type: text/css');
$min = $minified ? '.min' : '';
$cacheFile = 'icinga-' . $etag . $min . '.css';
$cache = FileCache::instance();
if ($cache->has($cacheFile)) {
$cache->send($cacheFile);
return;
}
$less = new LessCompiler();
$less->disableExtendedImport();
foreach ($lessFiles as $file) {
$less->addFile($file);
}
$less->addLoadedModules();
if ($minified) {
$less->compress();
}
$out = self::fixModuleLayoutCss($less->compile());
$cache->store($cacheFile, $out);
echo $out;
}
}