Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Core\Condition;
Chris@0: 
Chris@0: use Drupal\Component\Plugin\Context\ContextInterface;
Chris@0: use Drupal\Core\Plugin\DefaultLazyPluginCollection;
Chris@0: 
Chris@0: /**
Chris@0:  * Provides a collection of condition plugins.
Chris@0:  */
Chris@0: class ConditionPluginCollection extends DefaultLazyPluginCollection {
Chris@0: 
Chris@0:   /**
Chris@0:    * An array of collected contexts for conditions.
Chris@0:    *
Chris@0:    * @var \Drupal\Component\Plugin\Context\ContextInterface[]
Chris@0:    */
Chris@0:   protected $conditionContexts = [];
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    *
Chris@0:    * @return \Drupal\Core\Condition\ConditionInterface
Chris@0:    */
Chris@0:   public function &get($instance_id) {
Chris@0:     return parent::get($instance_id);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getConfiguration() {
Chris@0:     $configuration = parent::getConfiguration();
Chris@0:     // Remove configuration if it matches the defaults.
Chris@0:     foreach ($configuration as $instance_id => $instance_config) {
Chris@0:       $default_config = [];
Chris@0:       $default_config['id'] = $instance_id;
Chris@0:       $default_config += $this->get($instance_id)->defaultConfiguration();
Chris@0:       // In order to determine if a plugin is configured, we must compare it to
Chris@0:       // its default configuration. The default configuration of a plugin does
Chris@0:       // not contain context_mapping and it is not used when the plugin is not
Chris@0:       // configured, so remove the context_mapping from the instance config to
Chris@0:       // compare the remaining values.
Chris@0:       unset($instance_config['context_mapping']);
Chris@0:       if ($default_config === $instance_config) {
Chris@0:         unset($configuration[$instance_id]);
Chris@0:       }
Chris@0:     }
Chris@0:     return $configuration;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Sets the condition context for a given name.
Chris@0:    *
Chris@0:    * @param string $name
Chris@0:    *   The name of the context.
Chris@0:    * @param \Drupal\Component\Plugin\Context\ContextInterface $context
Chris@0:    *   The context to add.
Chris@0:    *
Chris@0:    * @return $this
Chris@0:    */
Chris@0:   public function addContext($name, ContextInterface $context) {
Chris@0:     $this->conditionContexts[$name] = $context;
Chris@0:     return $this;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Gets the values for all defined contexts.
Chris@0:    *
Chris@0:    * @return \Drupal\Component\Plugin\Context\ContextInterface[]
Chris@0:    *   An array of set contexts, keyed by context name.
Chris@0:    */
Chris@0:   public function getConditionContexts() {
Chris@0:     return $this->conditionContexts;
Chris@0:   }
Chris@0: 
Chris@0: }