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<?php
namespace Drupal\Core\Menu;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
/**
* Provides a default implementation for menu link plugins.
*/
class MenuLinkDefault extends MenuLinkBase implements ContainerFactoryPluginInterface {
/**
* {@inheritdoc}
*/
protected $overrideAllowed = [
'menu_name' => 1,
'parent' => 1,
'weight' => 1,
'expanded' => 1,
'enabled' => 1,
];
/**
* The static menu link service used to store updates to weight/parent etc.
*
* @var \Drupal\Core\Menu\StaticMenuLinkOverridesInterface
*/
protected $staticOverride;
/**
* Constructs a new MenuLinkDefault.
*
* @param array $configuration
* A configuration array containing information about the plugin instance.
* @param string $plugin_id
* The plugin_id for the plugin instance.
* @param mixed $plugin_definition
* The plugin implementation definition.
* @param \Drupal\Core\Menu\StaticMenuLinkOverridesInterface $static_override
* The static override storage.
*/
public function __construct(array $configuration, $plugin_id, $plugin_definition, StaticMenuLinkOverridesInterface $static_override) {
parent::__construct($configuration, $plugin_id, $plugin_definition);
$this->staticOverride = $static_override;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
return new static(
$configuration,
$plugin_id,
$plugin_definition,
$container->get('menu_link.static.overrides')
);
}
/**
* {@inheritdoc}
*/
public function getTitle() {
return (string) $this->pluginDefinition['title'];
}
/**
* {@inheritdoc}
*/
public function getDescription() {
return (string) $this->pluginDefinition['description'];
}
/**
* {@inheritdoc}
*/
public function isResettable() {
// The link can be reset if it has an override.
return (bool) $this->staticOverride->loadOverride($this->getPluginId());
}
/**
* {@inheritdoc}
*/
public function updateLink(array $new_definition_values, $persist) {
// Filter the list of updates to only those that are allowed.
$overrides = array_intersect_key($new_definition_values, $this->overrideAllowed);
// Update the definition.
$this->pluginDefinition = $overrides + $this->getPluginDefinition();
if ($persist) {
// Always save the menu name as an override to avoid defaulting to tools.
$overrides['menu_name'] = $this->pluginDefinition['menu_name'];
$this->staticOverride->saveOverride($this->getPluginId(), $this->pluginDefinition);
}
return $this->pluginDefinition;
}
}