/**
* Compiles LESS stylesheets into one CSS-stylesheet and writes them
* to filesystem. Please be aware not to append '.css' within $filename!
*
* @param string $filename
* @param array<string> $files
* @param array<string> $variables
* @param string $individualLess
* @param \wcf\system\Callback $callback
*/
protected function compileStylesheet($filename, array $files, array $variables, $individualLess, Callback $callback)
{
foreach ($variables as &$value) {
if (StringUtil::startsWith($value, '../')) {
$value = '~"' . $value . '"';
}
}
unset($value);
// add options as LESS variables
if (PACKAGE_ID) {
foreach (Option::getOptions() as $constantName => $option) {
if (in_array($option->optionType, static::$supportedOptionType)) {
$variables['wcf_option_' . mb_strtolower($constantName)] = '~"' . $option->optionValue . '"';
}
}
} else {
// workaround during setup
$variables['wcf_option_attachment_thumbnail_height'] = '~"210"';
$variables['wcf_option_attachment_thumbnail_width'] = '~"280"';
$variables['wcf_option_signature_max_image_height'] = '~"150"';
}
// build LESS bootstrap
$less = $this->bootstrap($variables);
foreach ($files as $file) {
$less .= $this->prepareFile($file);
}
// append individual CSS/LESS
if ($individualLess) {
$less .= $individualLess;
}
try {
$content = $this->compiler->compile($less);
} catch (\Exception $e) {
throw new SystemException("Could not compile LESS: " . $e->getMessage(), 0, '', $e);
}
$content = $callback($content);
// compress stylesheet
$lines = explode("\n", $content);
$content = $lines[0] . "\n" . $lines[1] . "\n";
for ($i = 2, $length = count($lines); $i < $length; $i++) {
$line = trim($lines[$i]);
$content .= $line;
switch (substr($line, -1)) {
case ',':
$content .= ' ';
break;
case '}':
$content .= "\n";
break;
}
if (substr($line, 0, 6) == '@media') {
$content .= "\n";
}
}
// write stylesheet
file_put_contents($filename . '.css', $content);
FileUtil::makeWritable($filename . '.css');
// convert stylesheet to RTL
$content = StyleUtil::convertCSSToRTL($content);
// write stylesheet for RTL
file_put_contents($filename . '-rtl.css', $content);
FileUtil::makeWritable($filename . '-rtl.css');
}
/**
* Compiles LESS stylesheets.
*
* @param \cms\data\stylesheet\Stylesheet $stylesheet
* @param integer $styleID
*/
public function compile(Stylesheet $stylesheet, $styleID = null)
{
$styles = StyleHandler::getInstance()->getStyles();
// compile stylesheet for all installed styles
if ($styleID === null) {
foreach ($styles as $style) {
$this->compile($stylesheet, $style->styleID);
}
return;
}
$style = $styles[$styleID];
// get style variables
$variables = $style->getVariables();
if (isset($variables['individualLess'])) {
unset($variables['individualLess']);
}
// add style image path
$imagePath = '../images/';
if ($style->imagePath) {
$imagePath = FileUtil::getRelativePath(WCF_DIR . 'style/', WCF_DIR . $style->imagePath);
$imagePath = FileUtil::addTrailingSlash(FileUtil::unifyDirSeparator($imagePath));
}
$variables['style_image_path'] = "'{$imagePath}'";
// apply overrides
if (isset($variables['overrideLess'])) {
$lines = explode("\n", StringUtil::unifyNewlines($variables['overrideLess']));
foreach ($lines as $line) {
if (preg_match('~^@([a-zA-Z]+): ?([@a-zA-Z0-9 ,\\.\\(\\)\\%\\#-]+);$~', $line, $matches)) {
$variables[$matches[1]] = $matches[2];
}
}
unset($variables['overrideLess']);
}
// add options as LESS variables
foreach (Option::getOptions() as $constantName => $option) {
if (in_array($option->optionType, array('boolean', 'integer'))) {
$variables['wcf_option_' . mb_strtolower($constantName)] = '~"' . $option->optionValue . '"';
}
}
// compile
$this->compiler->setVariables($variables);
$content = "/* stylesheet for '" . $stylesheet->getTitle() . "', generated on " . gmdate('r') . " -- DO NOT EDIT */\n\n";
$content .= $this->compiler->compile($stylesheet->less);
// compress stylesheet
$lines = explode("\n", $content);
$content = $lines[0] . "\n" . $lines[1] . "\n";
for ($i = 2, $length = count($lines); $i < $length; $i++) {
$line = trim($lines[$i]);
$content .= $line;
switch (substr($line, -1)) {
case ',':
$content .= ' ';
break;
case '}':
$content .= "\n";
break;
}
if (substr($line, 0, 6) == '@media') {
$content .= "\n";
}
}
// write stylesheet
$filename = $stylesheet->getLocation($styleID);
file_put_contents($filename, $content);
FileUtil::makeWritable($filename);
// write rtl stylesheet
$content = StyleUtil::convertCSSToRTL($content);
$filename = $stylesheet->getLocation($styleID, true);
file_put_contents($filename, $content);
FileUtil::makeWritable($filename);
}
/**
* Converts the file of this style to a RTL ("right-to-left") version.
*/
public function writeStyleFileRTL()
{
// get contents of LTR version
$contents = file_get_contents(WCF_DIR . 'style/style-' . $this->styleID . '.css');
// convert ltr to rtl
$contents = StyleUtil::convertCSSToRTL($contents);
// write file
$file = new File(WCF_DIR . 'style/style-' . $this->styleID . '-rtl.css');
$file->write($contents);
$file->close();
@chmod(WCF_DIR . 'style/style-' . $this->styleID . '-rtl.css', 0777);
}
/**
* Compiles LESS stylesheets into one CSS-stylesheet and writes them
* to filesystem. Please be aware not to append '.css' within $filename!
*
* @param string $filename
* @param array<string> $files
* @param array<string> $variables
* @param string $individualLess
* @param wcf\system\Callback $callback
*/
protected function compileStylesheet($filename, array $files, array $variables, $individualLess, Callback $callback) {
// build LESS bootstrap
$less = $this->bootstrap($variables);
foreach ($files as $file) {
$less .= $this->prepareFile($file);
}
// append individual CSS/LESS
if ($individualLess) {
$less .= $individualLess;
}
try {
$content = $this->compiler->compile($less);
}
catch (\Exception $e) {
throw new SystemException("Could not compile LESS: ".$e->getMessage(), 0, '', $e);
}
$content = $callback($content);
// write stylesheet
file_put_contents($filename.'.css', $content);
// convert stylesheet to RTL
$content = StyleUtil::convertCSSToRTL($content);
// write stylesheet for RTL
file_put_contents($filename.'-rtl.css', $content);
}
/**
* Converts the file of this style to a RTL ("right-to-left") version.
*/
public static function updateStyleFileRTL()
{
// get contents of LTR version
$contents = file_get_contents(WCF_DIR . 'acp/style/style-ltr.css');
// convert ltr to rtl
$contents = StyleUtil::convertCSSToRTL($contents);
// write file
$file = new File(WCF_DIR . 'acp/style/style-rtl.css');
$file->write($contents);
// close file
$file->close();
@chmod(WCF_DIR . 'acp/style/style-rtl.css', 0777);
}
