File modules/cms/ui/action/index/IndexThemeAction.class.php

Last commit: Tue Oct 13 00:42:20 2026 +0200	Jan Dankert	PHP8: The user can be null here, if there is no user logged in.


     1 <?php
     2 namespace cms\ui\action\index;
     3 use cms\action\Method;
     4 use cms\base\Configuration;
     5 use cms\base\Configuration as C;
     6 use cms\model\User;
     7 use cms\ui\action\IndexAction;
     8 use cms\ui\themes\ThemeStyle;
     9 use util\ArrayUtils;
    10 use util\text\Converter;
    11 
    12 class IndexThemeAction extends IndexAction implements Method {
    13 
    14 	const CSS_VARIABLE_PREFIX = '--cms-';
    15 
    16 	public function view() {
    17 
    18         //$this->lastModified( Config::filemtime($themeLessFile));
    19 
    20 		$styleId = $this->getUserStyle($this->currentUser);
    21 		$schemaId  = $this->currentUser ? $this->getUserScheme($this->currentUser) : User::STYLE_SCHEME_AUTO;
    22 		$css = match ($schemaId) {
    23 			User::STYLE_SCHEME_AUTO => [
    24 				':root' => $this->getThemeCSSVariables($styleId, 'light'),
    25 				'@media (prefers-color-scheme: dark)' => [
    26 					':root' => $this->getThemeCSSVariables($styleId, 'dark')
    27 				]
    28 			],
    29 			User::STYLE_SCHEME_LIGHT => [
    30 				':root' => $this->getThemeCSSVariables($styleId, 'light')
    31 			],
    32 			User::STYLE_SCHEME_DARK => [
    33 				':root' => $this->getThemeCSSVariables($styleId, 'dark')
    34 			],
    35 			default => throw new \LogicException("invalid schema id: " . $schemaId),
    36 		};
    37 
    38         $this->setTemplateVars($css);
    39         $this->setTemplateVar('name','"'.$styleId.'"');
    40     }
    41 
    42 
    43     public function post() {
    44     }
    45 
    46 
    47 	/**
    48 	 * Gets the theme CSS.
    49 	 *
    50 	 * @param $styleId string name of style
    51 	 * @param $schema string schemaId, f.e. 'light','dark'
    52 	 * @return array The css variables for this thema
    53 	 */
    54 	protected function getThemeCSSVariables($styleId, $schema )
    55 	{
    56 		$styleConfig = C::subset( ['style',$styleId] );
    57 
    58 		$schemeConfig = $styleConfig->subset('schemes');;
    59 		$config = $schemeConfig->subset($schema);
    60 
    61 		$schemeConfig = $config->merge( $styleConfig->subset('defaults') );
    62 		$themeStyle = new ThemeStyle( $schemeConfig->getConfig() );
    63 
    64 		$schemesConfig = ArrayUtils::mapKeys( function($prop) {
    65 					return self::CSS_VARIABLE_PREFIX.Converter::camelToUnderscore($prop, '-');
    66 				},$themeStyle->getProperties());
    67 
    68 		return $schemesConfig;
    69 	}
    70 
    71 }



Download modules/cms/ui/action/index/IndexThemeAction.class.php


History
Tue, 13 Oct 2026 00:42:20 +0200	Jan Dankert	PHP8: The user can be null here, if there is no user logged in.
Tue, 13 Oct 2026 00:22:21 +0200	Jan Dankert	Refactoring: Fixing the flickering UI: Create CSS with dark/light-schemes, so the browser can decide which to use.