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<?php
namespace Drupal\config_translation;
use Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException;
use Drupal\Core\Cache\CacheBackendInterface;
use Drupal\Core\Config\TypedConfigManagerInterface;
use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Core\Extension\ThemeHandlerInterface;
use Drupal\Core\Language\LanguageManagerInterface;
use Drupal\Core\Plugin\DefaultPluginManager;
use Drupal\Core\Plugin\Discovery\InfoHookDecorator;
use Drupal\Core\Plugin\Discovery\YamlDiscovery;
use Drupal\Core\Plugin\Discovery\ContainerDerivativeDiscoveryDecorator;
use Drupal\Core\Plugin\Factory\ContainerFactory;
use Drupal\Core\TypedData\TraversableTypedDataInterface;
use Drupal\Core\TypedData\TypedDataInterface;
use Symfony\Component\Routing\RouteCollection;
/**
* Manages plugins for configuration translation mappers.
*/
class ConfigMapperManager extends DefaultPluginManager implements ConfigMapperManagerInterface {
/**
* The typed config manager.
*
* @var \Drupal\Core\Config\TypedConfigManagerInterface
*/
protected $typedConfigManager;
/**
* The theme handler.
*
* @var \Drupal\Core\Extension\ThemeHandlerInterface
*/
protected $themeHandler;
/**
* The language manager.
*
* @var \Drupal\Core\Language\LanguageManagerInterface
*/
protected LanguageManagerInterface $languageManager;
/**
* {@inheritdoc}
*/
protected $defaults = [
'title' => '',
'names' => [],
'weight' => 20,
'class' => '\Drupal\config_translation\ConfigNamesMapper',
];
/**
* Constructs a ConfigMapperManager.
*
* @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend
* The cache backend.
* @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
* The language manager.
* @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
* The module handler.
* @param \Drupal\Core\Config\TypedConfigManagerInterface $typed_config_manager
* The typed config manager.
* @param \Drupal\Core\Extension\ThemeHandlerInterface $theme_handler
* The theme handler.
*/
public function __construct(CacheBackendInterface $cache_backend, LanguageManagerInterface $language_manager, ModuleHandlerInterface $module_handler, TypedConfigManagerInterface $typed_config_manager, ThemeHandlerInterface $theme_handler) {
$this->typedConfigManager = $typed_config_manager;
$this->languageManager = $language_manager;
$this->factory = new ContainerFactory($this, '\Drupal\config_translation\ConfigMapperInterface');
// Let others alter definitions with hook_config_translation_info_alter().
$this->moduleHandler = $module_handler;
$this->themeHandler = $theme_handler;
$this->alterInfo('config_translation_info');
// Config translation only uses an info hook discovery, cache by language.
$cache_key = 'config_translation_info_plugins' . ':' . $language_manager->getCurrentLanguage()->getId();
$this->setCacheBackend($cache_backend, $cache_key);
}
/**
* {@inheritdoc}
*/
protected function getDiscovery() {
if (!isset($this->discovery)) {
// Look at all themes and modules.
// @todo If the list of installed modules and themes is changed, new
// definitions are not picked up immediately and obsolete definitions
// are not removed, because the list of search directories is only
// compiled once in this constructor. The current code only works due to
// coincidence: The request that installs (for instance, a new theme)
// does not instantiate this plugin manager at the beginning of the
// request; when routes are being rebuilt at the end of the request,
// this service only happens to get instantiated with the updated list
// of installed themes.
$directories = [];
foreach ($this->moduleHandler->getModuleList() as $name => $module) {
$directories[$name] = $module->getPath();
}
foreach ($this->themeHandler->listInfo() as $theme) {
$directories[$theme->getName()] = $theme->getPath();
}
// Check for files named MODULE.config_translation.yml and
// THEME.config_translation.yml in module/theme roots.
$this->discovery = new YamlDiscovery('config_translation', $directories);
$this->discovery = new InfoHookDecorator($this->discovery, 'config_translation_info');
$this->discovery = new ContainerDerivativeDiscoveryDecorator($this->discovery);
}
return $this->discovery;
}
/**
* {@inheritdoc}
*/
public function getMappers(?RouteCollection $collection = NULL) {
$mappers = [];
foreach ($this->getDefinitions() as $id => $definition) {
$mappers[$id] = $this->createInstance($id);
if ($collection) {
$mappers[$id]->setRouteCollection($collection);
}
}
return $mappers;
}
/**
* {@inheritdoc}
*/
public function processDefinition(&$definition, $plugin_id) {
parent::processDefinition($definition, $plugin_id);
if (!isset($definition['base_route_name'])) {
throw new InvalidPluginDefinitionException($plugin_id, "The plugin definition of the mapper '$plugin_id' does not contain a base_route_name.");
}
}
/**
* {@inheritdoc}
*/
public function buildDataDefinition(array $definition, $value = NULL, $name = NULL, $parent = NULL) {
return $this->typedConfigManager->buildDataDefinition($definition, $value, $name, $parent);
}
/**
* {@inheritdoc}
*/
protected function findDefinitions() {
$definitions = $this->getDiscovery()->getDefinitions();
foreach ($definitions as $plugin_id => &$definition) {
$this->processDefinition($definition, $plugin_id);
}
if ($this->alterHook) {
$this->moduleHandler->alter($this->alterHook, $definitions);
}
// If this plugin was provided by a module that does not exist, remove the
// plugin definition.
foreach ($definitions as $plugin_id => $plugin_definition) {
if (isset($plugin_definition['provider']) && !in_array($plugin_definition['provider'], ['core', 'component']) && (!$this->moduleHandler->moduleExists($plugin_definition['provider']) && !in_array($plugin_definition['provider'], array_keys($this->themeHandler->listInfo())))) {
unset($definitions[$plugin_id]);
}
}
return $definitions;
}
/**
* {@inheritdoc}
*/
public function hasTranslatable($name) {
return $this->findTranslatable($this->typedConfigManager->get($name));
}
/**
* Returns TRUE if at least one translatable element is found.
*
* @param \Drupal\Core\TypedData\TypedDataInterface $element
* Configuration schema element.
*
* @return bool
* A boolean indicating if there is at least one translatable element.
*/
protected function findTranslatable(TypedDataInterface $element) {
// In case this is a sequence or a mapping check whether any child element
// is translatable.
if ($element instanceof TraversableTypedDataInterface) {
foreach ($element as $child_element) {
if ($this->findTranslatable($child_element)) {
return TRUE;
}
}
// If none of the child elements are translatable, return FALSE.
return FALSE;
}
else {
$definition = $element->getDataDefinition();
return isset($definition['translatable']) && $definition['translatable'];
}
}
/**
* {@inheritdoc}
*/
public function clearCachedDefinitions() {
$cids = [];
foreach ($this->languageManager->getLanguages() as $language) {
$cids[] = 'config_translation_info_plugins:' . $language->getId();
}
$this->cacheBackend->deleteMultiple($cids);
$this->definitions = NULL;
}
}
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