class Theme in Drupal 8

Defines a class for updating themes using Drupal\Core\FileTransfer\FileTransfer classes via authorize.php.

Hierarchy

• class \Drupal\Core\Updater\Updater
  • class \Drupal\Core\Updater\Theme implements UpdaterInterface

6 string references to 'Theme'

block.schema.yml in core/modules/block/config/schema/block.schema.yml

core/modules/block/config/schema/block.schema.yml

BlockForm::form in core/modules/block/src/BlockForm.php

Gets the actual form array to be built.

ConfigTranslationBlockListBuilder::buildHeader in core/modules/config_translation/src/Controller/ConfigTranslationBlockListBuilder.php

Builds the header row for the entity listing.

CurrentThemeCondition::buildConfigurationForm in core/modules/system/src/Plugin/Condition/CurrentThemeCondition.php

Form constructor.

ThemeCacheContext::getLabel in core/lib/Drupal/Core/Cache/Context/ThemeCacheContext.php

Returns the label of the cache context.

... See full list

File

core/lib/Drupal/Core/Updater/Theme.php, line 11

Namespace

Drupal\Core\Updater

class Theme extends Updater implements UpdaterInterface {

  /**
   * Returns the directory where a theme should be installed.
   *
   * If the theme is already installed, drupal_get_path() will return a valid
   * path and we should install it there. If we're installing a new theme, we
   * always want it to go into /themes, since that's where all the
   * documentation recommends users install their themes, and there's no way
   * that can conflict on a multi-site installation, since the Update manager
   * won't let you install a new theme if it's already found on your system,
   * and if there was a copy in the top-level we'd see it.
   *
   * @return string
   *   The absolute path of the directory.
   */
  public function getInstallDirectory() {
    if ($this
      ->isInstalled() && ($relative_path = drupal_get_path('theme', $this->name))) {

      // The return value of drupal_get_path() is always relative to the site,
      // so prepend DRUPAL_ROOT.
      return DRUPAL_ROOT . '/' . dirname($relative_path);
    }
    else {

      // When installing a new theme, prepend the requested root directory.
      return $this->root . '/' . $this
        ->getRootDirectoryRelativePath();
    }
  }

  /**
   * {@inheritdoc}
   */
  public static function getRootDirectoryRelativePath() {
    return 'themes';
  }

  /**
   * {@inheritdoc}
   */
  public function isInstalled() {

    // Check if the theme exists in the file system, regardless of whether it
    // is enabled or not.
    $themes = \Drupal::state()
      ->get('system.theme.files', []);
    return isset($themes[$this->name]);
  }

  /**
   * {@inheritdoc}
   */
  public static function canUpdateDirectory($directory) {
    $info = static::getExtensionInfo($directory);
    return isset($info['type']) && $info['type'] == 'theme';
  }

  /**
   * Determines whether this class can update the specified project.
   *
   * @param string $project_name
   *   The project to check.
   *
   * @return bool
   */
  public static function canUpdate($project_name) {
    return (bool) drupal_get_path('theme', $project_name);
  }

  /**
   * {@inheritdoc}
   */
  public function postInstall() {

    // Update the theme info.
    clearstatcache();
    \Drupal::service('theme_handler')
      ->rebuildThemeData();
  }

  /**
   * {@inheritdoc}
   */
  public function postInstallTasks() {

    // Since this is being called outside of the primary front controller,
    // the base_url needs to be set explicitly to ensure that links are
    // relative to the site root.
    // @todo Simplify with https://www.drupal.org/node/2548095
    $default_options = [
      '#type' => 'link',
      '#options' => [
        'absolute' => TRUE,
        'base_url' => $GLOBALS['base_url'],
      ],
    ];
    return [
      $default_options + [
        '#url' => Url::fromRoute('system.themes_page'),
        '#title' => t('Install newly added themes'),
      ],
      $default_options + [
        '#url' => Url::fromRoute('system.admin'),
        '#title' => t('Administration pages'),
      ],
    ];
  }

}

Members

Name	Modifiers	Type	Description	Overrides
Theme::canUpdate	public static	function	Determines whether this class can update the specified project.
Theme::canUpdateDirectory	public static	function	Determines if the Updater can handle the project provided in $directory. Overrides UpdaterInterface::canUpdateDirectory
Theme::getInstallDirectory	public	function	Returns the directory where a theme should be installed. Overrides UpdaterInterface::getInstallDirectory
Theme::getRootDirectoryRelativePath	public static	function	Returns the name of the root directory under which projects will be copied. Overrides UpdaterInterface::getRootDirectoryRelativePath
Theme::isInstalled	public	function	Checks if the project is installed. Overrides UpdaterInterface::isInstalled
Theme::postInstall	public	function	Performs actions after installation. Overrides Updater::postInstall
Theme::postInstallTasks	public	function	Returns an array of links to pages that should be visited post operation. Overrides Updater::postInstallTasks
Updater::$root	protected	property	The root directory under which new projects will be copied.
Updater::$source	public	property	Directory to install from.
Updater::factory	public static	function	Returns an Updater of the appropriate type depending on the source.
Updater::findInfoFile	public static	function	Determines what the most important (or only) info file is in a directory.
Updater::getBackupDir	public	function	Returns the full path to a directory where backups should be written.
Updater::getExtensionInfo	protected static	function	Get Extension information from directory.
Updater::getInstallArgs	protected	function	Stores the default parameters for the Updater.
Updater::getProjectName	public static	function	Gets the name of the project directory (basename).
Updater::getProjectTitle	public static	function	Returns the project name from a Drupal info file.
Updater::getUpdaterFromDirectory	public static	function	Determines which Updater class can operate on the given directory.
Updater::install	public	function	Installs a Drupal project, returns a list of next actions.
Updater::makeBackup	public	function	Performs a backup.
Updater::makeWorldReadable	public	function	Ensures that a given directory is world readable.
Updater::postUpdate	public	function	Performs actions after new code is updated.
Updater::postUpdateTasks	public	function	Returns an array of links to pages that should be visited post operation.	1
Updater::prepareInstallDirectory	public	function	Makes sure the installation parent directory exists and is writable.
Updater::update	public	function	Updates a Drupal project and returns a list of next actions.
Updater::__construct	public	function	Constructs a new updater.