public ThemeInstaller::uninstall(array $theme_list)
Uninstalls a given list of themes.
Uninstalling a theme removes all related configuration (like blocks) and invokes the 'themes_uninstalled' hook.
Parameters
array $theme_list: The themes to uninstall.
Throws
\InvalidArgumentException Thrown when you uninstall an not installed theme.
Overrides ThemeInstallerInterface::uninstall
See also
File
- core/lib/Drupal/Core/Extension/ThemeInstaller.php, line 214
Class
- ThemeInstaller
- Manages theme installation/uninstallation.
Namespace
Drupal\Core\Extension
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | public function uninstall(array $theme_list) { $extension_config = $this->configFactory->getEditable('core.extension'); $theme_config = $this->configFactory->getEditable('system.theme'); $list = $this->themeHandler->listInfo(); foreach ($theme_list as $key) { if (!isset($list[$key])) { throw new \InvalidArgumentException("Unknown theme: $key."); } if ($key === $theme_config->get('default')) { throw new \InvalidArgumentException("The current default theme $key cannot be uninstalled."); } if ($key === $theme_config->get('admin')) { throw new \InvalidArgumentException("The current administration theme $key cannot be uninstalled."); } // Base themes cannot be uninstalled if sub themes are installed, and if // they are not uninstalled at the same time. // @todo https://www.drupal.org/node/474684 and // https://www.drupal.org/node/1297856 themes should leverage the module // dependency system. if (!empty($list[$key]->sub_themes)) { foreach ($list[$key]->sub_themes as $sub_key => $sub_label) { if (isset($list[$sub_key]) && !in_array($sub_key, $theme_list, TRUE)) { throw new \InvalidArgumentException("The base theme $key cannot be uninstalled, because theme $sub_key depends on it."); } } } } $this->cssCollectionOptimizer->deleteAll(); $current_theme_data = $this->state->get('system.theme.data', array()); foreach ($theme_list as $key) { // The value is not used; the weight is ignored for themes currently. $extension_config->clear("theme.$key"); // Update the current theme data accordingly. unset($current_theme_data[$key]); // Reset theme settings. $theme_settings = &drupal_static('theme_get_setting'); unset($theme_settings[$key]); // Remove all configuration belonging to the theme. $this->configManager->uninstall('theme', $key); } // Don't check schema when uninstalling a theme since we are only clearing // keys. $extension_config->save(TRUE); $this->state->set('system.theme.data', $current_theme_data); // @todo Remove system_list(). $this->themeHandler->refreshInfo(); $this->resetSystem(); $this->moduleHandler->invokeAll('themes_uninstalled', [$theme_list]);} |
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