/** * {@inheritdoc} */ public function alter(&$cache, &$context1 = NULL, &$context2 = NULL) { // Sort the registry alphabetically (for easier debugging). ksort($cache); // Discover all the theme's preprocess plugins. $preprocess_manager = new PreprocessManager($this->currentTheme); $plugins = $preprocess_manager->getDefinitions(); ksort($plugins, SORT_NATURAL); // Iterate over the preprocess plugins. foreach ($plugins as $plugin_id => $definition) { $incomplete = !isset($cache[$plugin_id]) || strrpos($plugin_id, '__'); if (!isset($cache[$plugin_id])) { $cache[$plugin_id] = []; } array_walk($cache, function (&$info, $hook) use($plugin_id) { if ($hook === $plugin_id || strpos($hook, $plugin_id . '__') === 0) { $info['bootstrap preprocess'] = $plugin_id; } }); if ($incomplete) { $cache[$plugin_id]['incomplete preprocess functions'] = TRUE; } } // Allow core to post process. $this->postProcessExtension($cache, $this->theme); }
/** * {@inheritdoc} */ public function alter(&$cache, &$context1 = NULL, &$context2 = NULL) { // Sort the registry alphabetically (for easier debugging). ksort($cache); // Ensure paths to templates are set properly. This allows templates to // be moved around in a theme without having to constantly ensuring that // the theme's hook_theme() definitions have the correct static "path" set. foreach ($this->currentTheme->getAncestry() as $ancestor) { $current_theme = $ancestor->getName() === $this->currentTheme->getName(); $theme_path = $ancestor->getPath(); foreach ($ancestor->fileScan('/\\.html\\.twig$/', 'templates') as $file) { $hook = str_replace('-', '_', str_replace('.html.twig', '', $file->filename)); $path = dirname($file->uri); $incomplete = !isset($cache[$hook]) || strrpos($hook, '__'); if (!isset($cache[$hook])) { $cache[$hook] = []; } $cache[$hook]['path'] = $path; $cache[$hook]['type'] = $current_theme ? 'theme' : 'base_theme'; $cache[$hook]['theme path'] = $theme_path; if ($incomplete) { $cache[$hook]['incomplete preprocess functions'] = TRUE; } } } // Discover all the theme's preprocess plugins. $preprocess_manager = new PreprocessManager($this->currentTheme); $plugins = $preprocess_manager->getDefinitions(); ksort($plugins, SORT_NATURAL); // Iterate over the preprocess plugins. foreach ($plugins as $plugin_id => $definition) { $incomplete = !isset($cache[$plugin_id]) || strrpos($plugin_id, '__'); if (!isset($cache[$plugin_id])) { $cache[$plugin_id] = []; } array_walk($cache, function (&$info, $hook) use($plugin_id, $definition) { if ($hook === $plugin_id || strpos($hook, $plugin_id . '__') === 0) { if (!isset($info['preprocess functions'])) { $info['preprocess functions'] = []; } // Due to a limitation in \Drupal\Core\Theme\ThemeManager::render, // callbacks must be functions and not classes. We always specify // "bootstrap_preprocess" here and then assign the plugin ID to a // separate property that we can later intercept and properly invoke. // @todo Revisit if/when preprocess callbacks can be any callable. Bootstrap::addCallback($info['preprocess functions'], 'bootstrap_preprocess', $definition['replace'], $definition['action']); $info['preprocess functions'] = array_unique($info['preprocess functions']); $info['bootstrap preprocess'] = $plugin_id; } }); if ($incomplete) { $cache[$plugin_id]['incomplete preprocess functions'] = TRUE; } } // Allow core to post process. $this->postProcessExtension($cache, $this->theme); }