/**
* {@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);
}
/**
* {@inheritdoc}
*/
public function __construct(array $configuration, $plugin_id, $plugin_definition)
{
// This is technically a plugin constructor, but because we wish to use the
// protected methods of the Registry class, we must extend from it. Thus,
// to properly construct the extended Registry object, we must pass the
// arguments it would normally get from the service container to "fake" it.
if (!isset($configuration['theme'])) {
$configuration['theme'] = Bootstrap::getTheme();
}
$this->currentTheme = $configuration['theme'];
parent::__construct(\Drupal::service('app.root'), \Drupal::service('cache.default'), \Drupal::service('lock'), \Drupal::service('module_handler'), \Drupal::service('theme_handler'), \Drupal::service('theme.initialization'), $this->currentTheme->getName());
$this->setThemeManager(\Drupal::service('theme.manager'));
$this->init();
}
/**
* Constructs a new \Drupal\bootstrap\Plugin\UpdateManager object.
*
* @param \Drupal\bootstrap\Theme $theme
* The theme to use for discovery.
*/
public function __construct(Theme $theme)
{
// Unlike other plugins in this base theme, this one should only discover
// update plugins that are unique to its own theme to avoid plugin ID
// collision (e.g. base and sub-theme both implement an update plugin
// with the id "8001").
$this->namespaces = new \ArrayObject(['Drupal\\' . $theme->getName() => [DRUPAL_ROOT . '/' . $theme->getPath() . '/src']]);
$this->theme = $theme;
$this->subdir = 'Plugin/Update';
$this->pluginDefinitionAnnotationName = 'Drupal\\bootstrap\\Annotation\\BootstrapUpdate';
$this->pluginInterface = 'Drupal\\bootstrap\\Plugin\\Update\\UpdateInterface';
$this->themeHandler = \Drupal::service('theme_handler');
$this->themeManager = \Drupal::service('theme.manager');
$this->setCacheBackend(\Drupal::cache('discovery'), 'theme:' . $theme->getName() . ':update', $this->getCacheTags());
}
/**
* Creates the discovery object.
*
* @param \Drupal\bootstrap\Theme $theme
* The theme to use for discovery.
* @param string|bool $subdir
* The plugin's subdirectory, for example Plugin/views/filter.
* @param string|null $plugin_interface
* (optional) The interface each plugin should implement.
* @param string $plugin_definition_annotation_name
* (optional) Name of the annotation that contains the plugin definition.
* Defaults to 'Drupal\Component\Annotation\Plugin'.
*/
public function __construct(Theme $theme, $subdir, $plugin_interface = NULL, $plugin_definition_annotation_name = 'Drupal\\Component\\Annotation\\Plugin')
{
// Get the active theme.
$this->theme = $theme;
// Determine the namespaces to search for.
$namespaces = [];
foreach ($theme->getAncestry() as $ancestor) {
$namespaces['Drupal\\' . $ancestor->getName()] = [DRUPAL_ROOT . '/' . $ancestor->getPath() . '/src'];
}
$this->namespaces = new \ArrayObject($namespaces);
$this->subdir = $subdir;
$this->pluginDefinitionAnnotationName = $plugin_definition_annotation_name;
$this->pluginInterface = $plugin_interface;
$this->themeHandler = \Drupal::service('theme_handler');
$this->themeManager = \Drupal::service('theme.manager');
}
/**
* {@inheritdoc}
*/
public function save($has_trusted_data = FALSE)
{
parent::save($has_trusted_data);
$this->theme->getCache('settings')->deleteAll();
return $this;
}
/**
* Retrieves a specific theme's stored config settings.
*
* @param \Drupal\bootstrap\Theme $theme
* A theme object.
* @param bool $active_theme
* Flag indicating whether or not $theme is the active theme.
*
* @return array
* A array diff of overridden config theme settings.
*/
public function getThemeConfig(Theme $theme, $active_theme = FALSE)
{
$config = new \Drupal\Core\Theme\ThemeSettings($theme->getName());
// Retrieve configured theme-specific settings, if any.
try {
if ($theme_settings = \Drupal::config($theme->getName() . '.settings')->get()) {
// Remove schemas if not the active theme.
if (!$active_theme) {
unset($theme_settings['schemas']);
}
$config->merge($theme_settings);
}
} catch (StorageException $e) {
}
// If the theme does not support a particular feature, override the
// global setting and set the value to NULL.
$info = $theme->getInfo();
if (!empty($info['features'])) {
foreach (_system_default_theme_features() as $feature) {
if (!in_array($feature, $info['features'])) {
$config->set('features.' . $feature, NULL);
}
}
}
// Generate the path to the logo image.
if ($config->get('features.logo')) {
$logo_url = FALSE;
foreach (['svg', 'png', 'jpg'] as $type) {
if (file_exists($theme->getPath() . "/logo.{$type}")) {
$logo_url = file_create_url($theme->getPath() . "/logo.{$type}");
break;
}
}
if ($config->get('logo.use_default') && $logo_url) {
$config->set('logo.url', $logo_url);
} elseif (($logo_path = $config->get('logo.path')) && file_exists($logo_path)) {
$config->set('logo.url', file_create_url($logo_path));
}
}
// Generate the path to the favicon.
if ($config->get('features.favicon')) {
$favicon_url = $theme->getPath() . '/favicon.ico';
if ($config->get('favicon.use_default') && file_exists($favicon_url)) {
$config->set('favicon.url', file_create_url($favicon_url));
} elseif ($favicon_path = $config->get('favicon.path')) {
$config->set('favicon.url', file_create_url($favicon_path));
}
}
// Retrieve the config data.
$data = $config->get();
// Retrieve a diff of settings that override the defaults.
$diff = DiffArray::diffAssocRecursive($data, $this->defaults);
// Ensure core features are always present in the diff. The theme settings
// form will not work properly otherwise.
// @todo Just rebuild the features section of the form?
foreach (['favicon', 'features', 'logo'] as $key) {
$arrays = [];
$arrays[] = isset($this->defaults[$key]) ? $this->defaults[$key] : [];
$arrays[] = isset($data[$key]) ? $data[$key] : [];
$diff[$key] = NestedArray::mergeDeepArray($arrays, TRUE);
}
return $diff;
}
/**
* Retrieves a specific theme's stored config settings.
*
* @param \Drupal\bootstrap\Theme $theme
* A theme object.
* @param bool $active_theme
* Flag indicating whether or not $theme is the active theme.
*
* @return array
* A array diff of overridden config theme settings.
*/
public function getThemeConfig(Theme $theme, $active_theme = FALSE)
{
$config = new \Drupal\Core\Theme\ThemeSettings($theme->getName());
// Retrieve configured theme-specific settings, if any.
try {
if ($theme_settings = \Drupal::config($theme->getName() . '.settings')->get()) {
// Remove the schema version if not the active theme.
if (!$active_theme) {
unset($theme_settings['schema']);
}
$config->merge($theme_settings);
}
} catch (StorageException $e) {
}
// If the theme does not support a particular feature, override the
// global setting and set the value to NULL.
$info = $theme->getInfo();
if (!empty($info['features'])) {
foreach (_system_default_theme_features() as $feature) {
if (!in_array($feature, $info['features'])) {
$config->set('features.' . $feature, NULL);
}
}
}
// Generate the path to the logo image.
if ($config->get('logo.use_default')) {
$config->set('logo.url', file_create_url($theme->getPath() . '/logo.svg'));
} elseif ($logo_path = $config->get('logo.path')) {
$config->set('logo.url', file_create_url($logo_path));
}
// Generate the path to the favicon.
if ($config->get('features.favicon')) {
$favicon_path = $config->get('favicon.path');
if ($config->get('favicon.use_default')) {
if (file_exists($favicon = $theme->getPath() . '/favicon.ico')) {
$config->set('favicon.url', file_create_url($favicon));
} else {
$config->set('favicon.url', file_create_url('core/misc/favicon.ico'));
}
} elseif ($favicon_path) {
$config->set('favicon.url', file_create_url($favicon_path));
} else {
$config->set('features.favicon', FALSE);
}
}
// Return a diff of the overrides from set defaults.
$diff = DiffArray::diffAssocRecursive($config->get(), $this->defaults);
return $diff;
}