openrat-cms

IndexThemestyleAction.class.php (3216B)

---

 <?php
 namespace cms\ui\action\index;
 use cms\action\Method;
 use cms\base\Configuration as C;
 use cms\base\Startup;
 use cms\ui\action\IndexAction;
 use cms\action\RequestParams;
 use cms\auth\Auth;
 use cms\auth\AuthRunner;
 use cms\base\Configuration;
 use cms\model\BaseObject;
 use cms\model\Project;
 use cms\model\User;
 use cms\model\Value;
 use cms\ui\themes\Theme;
 use cms\ui\themes\ThemeStyle;
 use Exception;
 use language\Messages;
 use util\Html;
 use util\json\JSON;
 use logger\Logger;
 use util\Less;
 use util\text\Converter;
 use util\UIUtils;
 use \util\exception\ObjectNotFoundException;
 use util\Session;
 class IndexThemestyleAction extends IndexAction implements Method {
 
 	const DEFAULT_COLOR_SCHEME = 'light';
 
     public function view() {
 
         $themeLessFile = Startup::THEMES_DIR . 'default/style/theme/openrat-theme.less';
         $this->lastModified(filemtime($themeLessFile));
 
         $styleName = $this->request->getText('style');
 
         $this->setTemplateVar('style',$this->getThemeCSS( $styleName) );
     }
 
 
     public function post() {
     }
 
 
 	/**
 	 * Gets the theme CSS.
 	 *
 	 * @param $styleId string name of style
 	 * @return string The ready to use CSS
 	 */
 	protected function getThemeCSS( $styleId )
 	{
 		// Je Theme die Theme-CSS-Datei ausgeben.
 		$lessFile = Startup::THEMES_DIR . 'default/style/theme/openrat-theme.less';
 		$css      = '';
 
 		$styleConfig = C::subset( ['style',$styleId] );
 		foreach( ['light','dark'] as $scheme ) {
 
 			$schemeConfig = $styleConfig->subset('defaults')->merge( $styleConfig->subset('schemes')->subset($scheme) );
 
 			$colorScheme = $scheme!=self::DEFAULT_COLOR_SCHEME ? $scheme : ''; // "Light" is the default
 
 			if   ( $colorScheme )
 				$css .= '@media screen and (prefers-color-scheme: '.$scheme.') {';
 			try
 			{
 				$themeStyle = new ThemeStyle( $schemeConfig->getConfig() );
 
 				if   ( DEVELOPMENT )
 					$css .= "\n".'/* Theme: '.$styleId.' */'."\n";
 
 				$lessVars = array(
 					'cms-theme-id'   => strtolower($styleId),
 					'cms-image-path' => '"'.Startup::THEMES_DIR.'default/images/'.'"',
 				);
 
 				foreach ( $themeStyle->getProperties() as $styleSetting => $value)
 					$lessVars['cms-' . Converter::camelToUnderscore($styleSetting, '-')] = $value;
 
 				if   ( DEVELOPMENT )
 					$css .= "\n".'/* Theme-Properties: '.print_r( $lessVars,true).' */'."\n";
 
 				// we must create a new instance here, because the less parser is buggy when changing vars.
 				$parser = new Less(array(
 					'sourceMap'         => DEVELOPMENT,
 					'indentation'       => DEVELOPMENT?"\t":'',
 					'outputSourceFiles' => false,
 					'compress'          => PRODUCTION
 				));
 				$parser->parseFile($lessFile,basename($lessFile));
 				$parser->modifyVars($lessVars);
 				$css .= $parser->getCss();
 			}
 			catch (Exception $e)
 			{
 				Logger::warn( new \RuntimeException("LESS Parser failed on file '$lessFile'.", 0,$e) );
 
 				// For not confusing the browser we are displaying a CSS with a comment.
 				if   ( DEVELOPMENT )
 					$css .= "\n\n/* ERROR!\n   LESS Parser failed on file '$lessFile'. Reason: " . $e->__toString() . " */\nhtml { content: \"Theme not available\";}\n";
 			}
 
 			if   ( $colorScheme )
 				$css .= '}';
 		}
 
 		return $css;
 	}
 
 }